Polyisocyanates and Prepolymers

3Polyisocyanates and Prepolymers

Contents 5 Building a circular future, together

6 Efficiencymeetssustainability

8 Grades with shining properties

9 Desmodur® ultra/Bayhydur® ultra Setting new standards in industrial hygiene

10 Desmodur® N family HDI trimer

11 Blulogiq® Smart for several applications

12 Desmodur® N family HDIbiuret

13 Desmodur® N family HDI specialties

14 Desmodur®/Desmodur® ultra Aliphatic polyisocyanates

15 Desmodur® Z family IPDI-basedcrosslinkers

16 Desmodur® eco N family/ Bayhydur® eco family PDI-basedcrosslinker

17 Desmodur®/Bayhydur® eco family PDI-basedcrosslinker

18 Bayhydur® family Hydrophilic-modifiedpolyurethanehardener

20 Bayhydur®/Bayhydur® ultra Aliphatic, hydrophilic polyisocyanates

21 Desmodur® D family and hardeners for latent-reactive adhesives Hydrophilic-modifiedpolyurethanehardener/ Hardeners for latent-reactive adhesives

22 Desmodur® BL family Thermally activated polyurethane hardener

24 Bayhydur® BL and Baybond® XL family Thermally activated polyurethane hardener and waterbornecarbodiimidecrosslinker

25 Bayhytherm®/Desmotherm® Self-crosslinkingurethaneresin

26 Crelan® family Powder hardeners

27 Desmocap® BlockedTDIprepolymers

28 Desmodur® R family

29 Desmodur® L family TDI-andTDI-/HDI-basedcrosslinkers

30 Desmodur® monomers Aliphatic diisocyanates

31 Desmodur® monomers Monomeric TDI and MDI products

32 Desmodur® polymeric MDI products (pMDI) For adhesives

33 Desmodur® polymeric MDI products (pMDI) Forcoatingsandmembranes

34 Desmodur® aliphatic prepolymers HDI-based/IPDI-based

35 Desmodur® aromatic prepolymers PrepolymersbasedonTDI

37 Desmodur® and Desmoseal® M PrepolymersbasedonMDI

39 Desmoseal® S family Silane-terminated polyurethanes

40 Legend

41 Fast-lane access to polyurethane innovations


The demand for more circular solutions is rising at a fasterpacethaneverbeforeasthe world collectively strivestotackletoday’sglobalchallenges.Climatechange, populationgrowth,urbanization,digitalizationandmobilityarepushingplayersfrom every sector to findmoresustainablesolutionsandlaythefoundationsforclimateneutralitybydrivingaCircularEconomy.Thechallenge is not only to create these circular solutions butalsotomaintainquality,durabilityandproductivity.

Innovationiskeytosatisfyingthesedemandsandcreating added value for customers, society and the environmentbyturningtargetsintorealities.At Covestro,ourlong-standingexpertiseinaliphaticandaromatic polyisocyanates andmoresustainableresinsgoes hand-in-hand with our purpose of constantly pushingboundariesinthesearchforfuture-oriented

solutions.Throughjointsolutions, alternative raw materials,innovativerecycling,andharnessingrenewableenergy,we’reenablingcoatingsandadhesivesproducerstomeetthecircularchallenge,hereandnow.

We’reexpandingourportfoliotoincludebio-basedorrecycled raw materials in coatings, adhesives, and specialtyareasrangingfromcosmeticstotextilesto3D printing.Thankstoourmassbalancingapproach,we’rehelpingclosetheloopbygraduallyreplacingfossilfuelswithISCC-certifiedrenewableresources.Ourdrop-insolutionsensurethehighquality,consistentperformanceandeasyprocessingthatkeepyourproductionrunningsmoothly.Andwe’reconstantlyworkingtoprovidetheglobalsupport,facilitiesandsupplychainsecurityyouneed to forge yet more circular innovations in infrastructure,automotive,furnitureandmore.

Material solutions can help turn circular targets into realities.Let’smaketheworldabrighterplace,together.

Buildingacircularfuture,together.


Efficiencymeetssustainability.Solutions to enhance your process efficiencyNowadays,thequalitystandardsmadeonindustrialprocessesareveryhigh.Thisisequallytrueofthecost-cuttingrequirements.However,bothgoalscanbeachievedbyincreasingprocessefficiency.AtCovestro, we have a wide range of solutions designed to enhance your process efficiency.Whynottakeadvantageofourknow-how?Thesesolutions willbenefityourbottomline.

SustainabilitySustainabilityisattheheartoftheCovestrostrategy.Weinspireinnovation anddrivegrowththroughprofitableproductsandtechnologiesthatbenefit societyandreducetheimpactontheenvironment.

Ourcoatings,adhesivesandspecialtyproductsandsolutionscontributetosustainabilitythrough:

• Saving energy – fast and smart Polyurethanesystemsrepresentabenchmarkinproductivityandprocessefficiencyinmanyindustries.Westrivetofurtherpushthelimitsofefficiencybydevelopinggame-changingnewsolutions.

• Reducing waste Weoffersolutionssuchasinnovative1Ktechnologiesthatenableourvaluechainpartnerstousematerialsmoreefficientlyandreducewaste.

• Cutting emissions Bayhydur® and Desmodur®gradesarekeyenablersforlow-emissionsolutionsinthe coatingsandadhesivesindustries–waterborneandhighsolids/100%solids!

• Responsible management of natural resources HighlydurablePU-basedcoatingsandadhesivessignificantlyextendthelifetimeof acoatedproductandthushelptoprolongresourceuse.

• Closing the loop (circularity) Througheconomicallyviableproductsmadefrompartlybio-basedrawmaterials–withno deterioration in performance – we help our customers and value chain partners to reduce theircarbonfootprintandoffersolutionsthatincorporaterenewablebuildingblocks.

• Food contact Anyinformationaboutfoodordrinkingwatercontactforproductsexclusively refers to the regulationquotedinthetable:pleaserequestaDeclarationofCompliancebeforeuse.Foranyuseswhichrequirecompliancewithanotherjurisdictionornationallegislation,theappropriatelegalassessmentneedstobeperformedpriortoanyapplicationofaproductinthefield.


Pioneering polyurethane chemistryEversinceOttoBayer’sdiscoveryofthepolyisocyanate-polyaddition process in 1937, Bayer–nowCovestro–haspioneeredpolyurethanechemistry.70yearsago,ourcompanydevelopedthefirstapplicationsusingpolyisocyanatesforthecoatingsandadhesivessectors.Weworkclosely with our customers to systematically advance thestateoftheartinpolyurethanetechnology. Usingmarket-orientedresearchanddevelopment, wespecificallyadaptourproductportfoliotoourcustomers’increasinglystringentrequirements.Together with you, we want to continue our successful journeyalongthispath.

Wide variety of applicationsOurpolyisocyanatescompriseabroadrangeofproductsforone-andtwo-component(1K/2K)polyurethanesystemsusedinnumerousapplications.Whetherascrosslinkersfor2Kpolyurethanecoatingsandadhesives,blockedpolyisocyanatesfor1Kpolyurethanebakingcoatingsorhydrophilizedpolyisocyanatesascrosslinkersforwater-reduciblepoly urethane systems, our products come into play wherevercrosslinkingisusedtoachievehighresistancesandreliableadhesionunderefficientconditions.Oursolutionsareinusetodayinavarietyofapplications,suchasautomotiveOEMs,automotiverefinishingandcoatingsforwood,industrialgoodsandplastics.Theyarealsousedinreactiveadhesives,textilecoatingsandanticorrosioncoatings.

CustomizedpropertiesGloss,leveling,scratchresistance,hardnessandflexibilitycanbepreciselyadjustedbythechoiceofpolyisocyanateandpolyol.Chemicalresistance,adhesion,lightfastnessandweatherstabilityareadditionalpropertiesthatcanbeindividuallyadaptedtoyourspecificrequirements.Moreover,coatingswitheasy-to-clean,soft-touchorreflowpropertiescanalsobeproducedthroughsmartformulations.

FlexibilityinprepolymersOurproductrangeofprepolymerscomprisesaromaticandaliphaticNCO-andsilane-terminatedproducts.Theseprepolymersmakeawiderangeofpropertiespossibleincoatings,adhesivesandsealants.Thetypical areas of application include wood coatings, corrosion protection, floorcoatings,elasticadhesivesintransportation,parquetadhesives,engineeredwoodconstructions,flexiblefilmlaminationandsealants.

Grades with shining properties.


Safeguardyourbusinessbyofferinganimprovedindustrialhygienestandardwith<0.1%residualmonomercontent.

Desmodur® ultra / Bayhydur® ultra Setting new standards in industrial hygiene.

Technical drop-in solution with improved industrial hygiene standard Improvedindustrialhygienestandardsareimportantfortheentirevaluechain.Covestrois committedtocontinuallyimprovingproductsandsettingnewstandards,especiallyinthefield ofindustrialhygiene.ThenewUltraLineopensupthepotentialforfurtherincreasingproductsafetythroughacontinuedreductionofthespecifiedresidualmonomercontent.

With our new Covestro Ultra Line we are introducing a product line with the following beneficial features:

• Further improves industrial hygiene standardsthankstoaresidualmonomercontentofbelow0.1%–inlinewiththesafetymeasuresrecommendedinthesafetydatasheets.

• Can be used in the same way as the Desmodur® and Bayhydur® predecessors in your current formulations,soyoucancontinuetofocusonyourcorebusiness.

• Makeseasy-to-use 2K PU technology available.

• State-of-the-art and technically equivalenttoourexistingproducts.

The performance and composition of the Ultra products have not changed in any way – except for their residual monomer content (RMC) specification.

CONVENTIONAL 2K PU

COVESTRO’S ULTRA LINE

High-performance isocyanates technology

Improved industrial hygiene standard

No additional efforts to comply with the proposed isocyanate use restriction*

* TheEUCommissionuserestrictionproposalcameintoforceonAugust24,2020


Desmodur® N familyHardenersforhigh-performancetwo-componentpolyurethanecoatingswithexcellentweatherabilityand resistanceproperties.Desmodur® ultra qualitiesperformwith<0.1%monomercontent.

HDI trimer

NCOCONTENTONSUPPLYFORMAPPROX.[%]

FUNCTIONALITYAPPROX.

VISCOSITYAT23°CAPPROX.[mPa · s]

EQUIVALENTWEIGHTAPPROX. COMMENTS

Desmodur® blulogiq 3190 BA 90 in BA 700 19.6 214 3.5Thermolatentcrosslinkerforsolvent-borne2KPURsystemswithstandardreactivityatambientconditions butactsasahighlycatalyzedcrosslinkeratelevatedtemperatures.Bakingtemperatureof75°Corhigherrecommended.Especiallyforhigh-glossspraycoatings.

Desmodur® ultra N 3300 100 3,000 21.8 195 3.5 Outstandingweatherstabilityandglossretention,non-yellowing;forautomotiveOEM,automotiverefinish,plasticsandindustrialcoatings,structuralcoatingsandtopcoats.

Desmodur® ultra N 3390 BA/SN 90inBA/SN 550 19.6 215 3.5 Special supply forms of Desmodur® ultra N 3300forautomotiveOEM,automotiverefinish,plasticsand industrialcoatings,structuralcoatingsandtopcoats.Othersupplyformsalsoavailable.



Desmodur® ultra N 3600 100 1,200 23.0 185 3.2

Low-viscositycrosslinkerforUVstableandgoodglossretentionfor2KPURcoatings(highsolids/waterborne,e.g.,incombinationwithBayhydur®types)forautomotiverefinish,automotiveOEM,construction,corrosionprotection,windenergyandindustrialapplications;alsoforstructuralcoatingsandtopcoats.Recommendableforaliphaticcastsystems.

Desmodur® ultra N 3689 SN 89 in SN 325 20.3 207 3.2 Special supply form of Desmodur® ultra N 3600.Desmodur® ultra N 3700 100 16,000 20.0 210 3.9 100%supplyformbasedonDesmodur® ultra N 3790 BA.Previouslyknownas Desmodur® XP 2675.

Desmodur® ultra N 3790 BA 90 in BA 1,800 17.8 236 3.9 Highfunctionalcrosslinkerforfast-drying,weather-stableandnon-yellowing2KPURcoatingsforautomotiverefinish,industrialapplications,corrosionprotectionandwindenergy.

Desmodur® N 3800 100 6,000 11.0 380 3.8Forhighlyelasticcoatingswithexcellentweatherresistance;combinationwithsuitablepolyisocyanates allowsadjustmentsoftheelasticityusingthesamepolyolmillbase.Especiallysuitableforplasticcoatings,construction,corrosionprotectionandwindenergy.

Desmodur® ultra N 3900 100 730 23.5 180 3.2

Low-viscositycrosslinkerforUVstableandgoodglossretentionfor2KPURcoatings(highsolids/waterborne,e.g.,incombinationwithBayhydur®types)forautomotiverefinish,automotiveOEM,transportationand plasticsfinishingapplications.Recommendableforaliphaticcastsystems,construction,corrosionprotectionandwindenergy.

Desmodur® ultra 2822 55inBA/SN 15 12.0 350 3.5 Special supply forms of Desmodur® ultra N 3300fordifferentapplications.Othersupplyformsalsoavailable.

SUPPLYFORMAPPROX.[%]

NEW

NEW

NEW


Blulogiq® Smart for several applications.Fromefficiencytolowtemp–withoutcompromisingappearance.

Blulogiq® technology:TheuniquethermolatenthardenertechnologyinventedbyCovestroadressesseveralneeds,urgenciesandunsolvedproblemsofthecoatingsindustry. Blulogiq® deliversthepossibilitytoimprovelevellingbyseparatingfilmformationfromcrosslinking,andbringsincuring-on-demandpropertiesintoa 2KPUsystem.

Key benefits: • BoostsprocessefficiencyofOEMplasticandmetal applications.

• Quiteslowreactionduringfilmformation– fastcrosslinkingat>75°Cenablesverygoodappearance.

• Crosslinkingspeedat90°Ciscomparabletoa140°Cnoncatalyzedprocess.

• Improvedearlyresistancepropertiesenablebetterpost-processinglike:earlier&easierpolishing,morerobusthandling,lessdamageduringtransport.

• Littleformulationmodificationrequiredfor plastic-applications–justreplacethehardener andconventionalcatalyst.

Exterior plastic coatings for hang-on parts:Speed meets appearance

Thermolatency combined with proven high-performance 2K PU technology

Crosslinking

Time

Blulogiq®Standard CatalyzedH

eat

1

2

3

Auto OEM high-bake line coating:Increaseefficiency&de-bottleneck

Auto OEM low temp line coating:ReducetempafterEDCto<100°C

Electro-depositioncoating

Underbodyprotection

PURBC

2CPURCC

Electro-depositioncoating

Underbodyprotection

PURBC

2CPURCC

140–160°C< 100°C

ON


HDI biuret





Desmodur® N 100 100 10,000 22.0 190 3.8 Weather-stableandnon-yellowingtopcoats.Verygoodcompatibility withhighlybranchedpolyols.

Desmodur® N 3200 100 2,500 23.0 185 3.5 Lower viscosity than Desmodur® N 100;especiallyforweather-stableandnon-yellowinghighsolidscoatings,structuralcoatingsandtopcoats.

Desmodur® N 75 MPA/X 75inMPA/X 250 16.5 255 3.8Special supply forms of Desmodur® N 100fordifferentapplications. Othersupplyformsavailable.Desmodur® N 75 MPA 75 in MPA 250 16.5 255 3.8

Desmodur® N 75 BA 75 in BA 160 16.5 255 3.8


Desmodur® N family


HDI specialtiesCOMMENTS

Desmodur® 2873 Silanemodifiedpolyisocyanate 100 450 12.3 341 2.0 Silane-modifiedcrosslinkerwithexcellentscratchresistance,highoutdoor

weatheringresistanceinwaterborneandsolventborne2KPUcoatings.

Desmodur® N 3400 Uretdione 100 150 21.8 195 2.5Extremelylow-viscositycrosslinkerforwaterborneandsolventborne2KPURcoatings;alsoformoisture-curing1KPURsystems,fortopcoatsinmany constructionandcorrosionprotectionapplications.

Desmodur® N 3500 Allophanate/ isocyanurate 100 35,000 19.5 215 >5 Highfunctionalcrosslinkerforfastdrying2KPURcoatingswithexcellentscratch

resistanceinvariousautomotiveandindustrialapplications.

Desmodur® N 3580 BA Allophanate/ isocyanurate 80 in BA 500 15.4 273 >5 Highfunctionalcrosslinker,goodweatherability,highglossandimproved

resistance.SpecialsupplyformofDesmodur® N 3500.

Desmodur® N 31000 Uretdione/ isocyanurate 100 500 23.0 185 3.0 Low-viscositycrosslinkerforwaterborneandsolventborne2KPURcoatings;

alsoformoisture-curing1KPURsystems.Previouslyknownas Desmodur® XP 2840.

Desmodur® N 31100 Allophanate 100 500 20.0 215 2.5

Flexible,low-viscositycrosslinkerforweather-stablehighsolidsandwaterborne2KPURcoatings(e.g.,incombinationwithBayhydur® or Desmodur®types), especiallyforindustrial,automotiverefinishing,transportationandplasticcoatings.Recommendableforflexiblealiphaticcastsystemsandconstructioncoatings.PreviouslyknownasDesmodur® XP 2860.


VISCOSITYAT23°CAPPROX.[mPa · s]TYPE

EQUIVALENTWEIGHTAPPROX.



Desmodur® N family

NEW

NEW

NEW

* Other solventvariations available

** ultra: < 0.1 % residual monomer content

HDI polyisocyanate

IPDI polyisocyanate

HDI/IPDI blend

PDI

Lower viscosityCompatibility

Elasticity,Low viscosity

High elasticity

Fast curing

Thermo-

latent

Lowest viscosity

Low viscosity

Fastest curingSelf healingPartly

bio-based

eco N 7300Blulogiq® 3190

E 30700E 30600N 3800

N 100N 75*

ultra N 3300*ultra N 3390*

ultra N 3700ultra N 3790 BA

N 3500N 3580 BA

Lower viscosity

Blends

Lower viscosityElasticity

Lower viscosity

Elasticity

Fast dryingHardness

NZ 300 ultra NZ 200 ultra Z 4470*

E 40480 MPA Z 4580 BA NZ 486 BA

ultra N 3600

ultra N 3900

N 31000 N 31100N 3400

N 3200

Partly bio-based


Desmodur® / Desmodur® ultra** Aliphatic polyisocyanates.


IPDI-basedcrosslinkers

COMMENTS

Desmodur® ultra NZ 200 HDI/IPDI isocyanurate 100 22,500 21.0 200 3.2 Goodweatherability,glossandimprovedresistance;especiallyfor100%

solidsapplications,e.g.,in-mouldcoating.PreviouslyknownasDesmodur® XP 2489.

Desmodur® NZ 300 HDI/IPDI isocyanurate 100 3,000 21.0 200 3.0 Crosslinkerforlightfast2KPURsystems;mainlyusedasabinderfor100%

solidsdecorativefloorcoatings.PreviouslyknownasDesmodur® XP 2838.

Desmodur® NZ 486 BA HDI/IPDIallophanate/prepolymer 86 in BA 2,100 10.2 412 3.0

Crosslinkerforweather-stable2KPURandpolyasparticcoatings;longer potlifeandextendedapplicationwindow,reduceddependencyofhumidity withpolyasparticcoatings.Previouslyknownas Desmodur® XP 2763.

Desmodur® ultra Z 4470 BA IPDI isocyanurate 70 in BA 600 11.9 360 3.5 Fast-dryinghardenersforlightfast2KPURcoatingswithhighchemicaland weatheringresistance.ForautomotiveOEM,refinishandindustrialapplications. Due to its high hardness, Desmodur® Zisrecommendedtobecombinedwith Desmodur® Nproducts.Recommendableforcorrosionprotectionandconstructioncoatings.

Desmodur® ultra Z 4470 MPA/X IPDI isocyanurate 70inMPA/X 1,500 11.9 360 3.5

Desmodur® ultra Z 4470 SN IPDI isocyanurate 70 in SN 2,000 11.9 360 3.5

Desmodur® Z 4580 BA IPDI allophanate 80 in BA 2,800 12.0 350 2.5Crosslinkerforweather-stable,fast-dryinghighsolidsandwaterborne2KPURcoatings,e.g.,incombinationwithBayhydur®types,forautomotiverefinishandtransportationapplications.Previouslyknownas Desmodur® XP 2565.






Desmodur® Z familyFast-dryingtwo-componentpolyurethanecoatingswithhighchemicalresistance.

NEW

NEW

NEW

NEW


Desmodur® eco N family / Bayhydur® eco family Partlybio-basedpolyurethanecoatingswithexcellentweatherabilityandresistancebasedonbio-basedpentamethylene diisocyanate (PDI).

• Partly bio-based andsignificantlyimproved carbon footprint cradle-to-gate in comparison to HDI, basedonlife-cycle-assessmentstudiesconductedaccordingtoISO14040/14044standards.

• By using partly bio-basedrawmaterials,theconsumptionoffossilfuelsisreduced.• Atthesametime,therenewablebiomassabsorbsCO2fromtheenvironment.• FurtherCO2savingsthroughfewerprocesssteps.• Forfurtherinformation,pleasegetintouchwithyourCovestrocontactperson.

5

4

3

2

1

0

Potlife

Drying

Compatibility

Pendulum hardness

Biocontent

Scratch resistance

Chemicalresistance

Weathering resistance

Partlybio-basedhardener

Petro-basedhardener

5excellent0bad HDI

HDA

Precursor 2

Precursor 1

Refinery

Crudeoil

4

3

2

1

PDI

PDA fermentation

Bio-refinery

Biomass

2

1

CO2

4-step petro-based synthesis 2-step bio-based synthesis

Comparison of clearcoat film properties


PDI-basedcrosslinker

COMMENTS

Desmodur® eco BL 7175 75inSN/MPA 8,500 10.9 385 3.7** 32 Thermallyactivatedpolyurethanehardenerwhichcontainsrenewablecarbonfor1KPUstovingsystems.

Desmodur® eco N 7300 100 9,500 21.5 195 3.7 71

Containsrenewablecarbon.Outstandingweatherstabilityandglossretention,non-yellowing;forautomotiveOEM,automotiverefinish,plasticsandindustrialcoatings,structuralcoatingsandtopcoats.Recommendableforcorrosion protectionandwindenergy.

Bayhydur® eco 701-90 90 in PGDA 5,000 17.9 232 3.6 61 Ionicallymodified(sulfonicacid)crosslinkerforhighestchemicalresistance,easymixingandhighglossfor2KWBcoatingscontainingrenewablecarbon.




BIO-BASEDCONTENTON

SUPPLYFORM[%] APPROX.*

NCOCONTENTONSUPPLY FORMAPPROX.[%]


* Basedonresultsof14C/totalCaccordingtoASTMD6866 ** Thermallyactivatedpolyurethanehardener

Desmodur® / Bayhydur® eco family Partlybio-basedpolyurethanecoatingswithexcellentweatherabilityandresistancebasedonbio-basedpentamethylene diisocyanate (PDI).

NEW


Bayhydur® ultra 3100 HDI 100 2,800 17.4 240 3.1 Polyether-modified,standard.Versatileandeconomical.

Bayhydur® ultra 304 HDI 100 4,000 18.2 230 3.8 Polyether-modified,versatileuseandimprovedmixing.Excellentwaterandweatheringresistance.

Bayhydur® ultra 305 HDI 100 6,500 16.2 260 4.0 Polyether-modified,easiestmixingandhighgloss.

Bayhydur® ultra 2700 HDI 65 in PGDME 75 10.6 400 4.0 Ready-to-usehardenerbasedonBayhydur® ultra 305,easiestmixingandhighgloss.

Bayhydur® ultra 2487/1 HDI 100 5,400 20.6 205 3.4 Ionicallymodified(sulfonicacid),highestchemicalresistanceandveryfastcuring.

Bayhydur® 2547 HDI 100 650 22.5 185 3.0 Ionicallymodified(sulfonicacid),highestchemicalresistance,lowviscosity, suitablefor100%solidsformulationsandforpurewater-basedformulations.

Bayhydur® ultra 2655 HDI 100 3,500 20.8 205 3.2 Ionicallymodified(sulfonicacid),highestchemicalresistance,easymixing. Indoor-air-qualitycompliantandveryfastcuring.

Thekeytoeasyandreliableapplicationofwaterbornetwo-component polyurethanesystems.Bayhydur® ultraqualitiesperformwith<0.1%monomercontent.

Hydrophilic-modified polyurethane hardener

Bayhydur® family

COMMENTS






NEW


Thekeytoeasyandreliableapplicationofwaterbornetwo-component polyurethanesystems.Bayhydur® ultra qualitiesperformwith<0.1%monomercontent.

Bayhydur® family


COMMENTS






Bayhydur® ultra 2858 HDI/IPDI 70 in PGDA 500 13.3 315 3.4 Ionicallymodified(sulfonicacid)ready-to-usehardener,fastdrying,easymixing,highhardness,highchemicalresistanceandlongpotlife.

Bayhydur® ultra 401-70 MPA IPDI 70 in MPA 1,500 9.4 440 2.9 Product contains no intentionally added aromatic solvents (BTXbenzene/toluene/xylene).

Bayhydur® ultra 401-70 MPA/X IPDI 70inMPA/X 600 9.4 440 2.9 Polyether-modified.Higherhardness,longerpotlifeandimprovedblisterfree filmthicknesscomparedtoHDIbasedtypes.

Bayhydur® ultra 2759 IPDI 70 in MPA 6,000 11.0 380 3.1 Ionicallymodified(sulfonicacid),fastdrying,easymixing,highchemicalresistance.

Bayhydur® quix 306-70 HDI/TDI 70 in MPA 250 13.5 311 3.3 Ionicallymodified(sulfonicacid),fastestdryingandhighchemicalresistance,speciallydesignedforwoodcoatings.

NEW

NEW

NEW

NEW

ultra 305

ultra 3100ultra 304

ultra 401-70

ultra 2700

quix 306-70

ultra 2858

ultra 2487/1

eco 701-90

ultra 2759

2547

ultra 2655

Chemical resistanceImproved Best in class

Easy

mix

ing

High gloss with manual stirring

Low shear stirring

Fast drying

Longer potlife

Partly bio-based

Low viscous for neat zero VOC

Ready to use

Best in earlywater resistance

* < 0.1 % residualmonomer content

HDI polyisocyanate

IPDI polyisocyanate

HDI/IPDI blend

HDI/TDI

PDI


Bayhydur®/ Bayhydur® ultra*Aliphatic, hydrophilic polyisocyanates.


HydrophilichardenerforlargelypH-neutralaqueouspolymerdispersionsinadhesive applications.Desmodur® ultraqualitiesperformwith<0.1%monomercontent.Hardenersforformulationsoflatent-reactivewaterborneadehsivelayersorfilms.


Hardeners for latent-reactive adhesives

Desmodur® D family and hardeners for latent-reactive adhesives

COMMENTS

COMMENTS

Desmodur® ultra DA-L HDI 100 3,000 20.0 210 CrosslinkingagentsforOH-functionaldispersions,e.g.,polyurethane,polyvinylacetate, polyacrylateorsyntheticrubberdispersions.Improvedresistancetoheat,water,plasticizers andmanysolvents.Desmodur® ultra DN HDI 100 1,250 21.8 195

Desmodur® Z 2589 IPDI Micronizedpowder 65 17.0 250

Aftersuitabledeactivation,Desmodur® Z 2589canbeusedincombinationwithDispercoll® U as a curing component for one-component latent-reactive polyurethane dispersion adhesives, toformulatelatent-reactiveadhesivelayersorfilm.

Dispercoll® BL XP 2514 TDI 40 in water 9.0 465 Dispercoll® BL XP 2514 canbeusedasthecrosslinkingcomponentincombinationwithDispercoll® U toformulateone-component,latent-reactivepolyurethanedispersionadhesives.




Tg[°C]

TYPE

TYPE






Solvent-bornegradesfor1KPUstovingsystemswithhigh-performanceproperties.Thealiphaticgradesarelight-stableandweather-resistant.

Thermally activated polyurethane hardener

Desmodur® BL family

COMMENTS

Desmodur® BL 3475 HDI/IPDI DEM 75inSN/BA 1,000 510 8.2/(10.9) Highestreactivity,transesterificationofblockingagent.

Desmodur® BL 3370 HDI DEM/DIPA 70 in MPA 3,800 470 8.9/(12.7) Highestreactivity.Desmodur® PL 340 IPDI DMP 60inBA/SN 600 575 7.3/(12.2) Excellentthermalyellowingresistance,highchemicalresistance.Desmodur® PL 350 HDI DMP 75inSN/MPA 4,300 400 10.5/(14.0) Excellentthermalyellowingresistance,moreflexible.Desmodur® BL 3575/1 HDI DMP 75inSN/MPA 3,600 400 10.5/(14.0) Excellentthermalyellowingresistanceandlowestcolorvalue.

Desmodur® eco BL 7175 PDI DMP 75inSN/MPA 8,500 385 10.9(14.5) Containsrenewablecarbon.Outstandingweatherstabilityandglossretention,excellentthermalyellowingresistance.

Desmodur® BL 3175 HDI MEKO 75 in SN 3,300 380 11.1/(14.8) Standardgrade,flexible.Desmodur® BL 4265 IPDI MEKO 65 in SN 11,000 520 8.1/(12.5) Standardgrade,highchemicalresistance,highhardness.

Desmodur® BL 5375 H12MDI MEKO 75inSN/MPA 4,000 470 8.9/(11.9) Extremelyflexible,asadditiveforstovingsystemstoimproveflexibilityandadhesion.

Desmodur® BL 2078/2 IPDI Ɛ-CAP 60 in SN 1,750 600 7.0/(11.7)Highchemicalresistanceandhardness,realizationofhigh filmthicknesspossible,excellentthermalyellowingresistance; classifiedaccordingFoodContactNotification,FCNNo.695.

Desmodur® BL 3272 HDI Ɛ-CAP 72 in MPA 2,700 410 10.2/(14.2) Flexible,realizationofhighfilmthicknesspossible,excellentthermalyellowingresistance.

Desmodur® BL 1100/1 TDI Ɛ-CAP 100 43,000 1,400 3.0/(3.0)1Kstovingprimerwithgoodstone-chipresistance,highfilmthick-nesspossible;incombinationwithcycloaliphaticdiaminesintendedforcoilcoatingprimer.

Desmodur® BL 1265/1 TDI Ɛ-CAP 65inMPA/X 20,000 875 4.8/(7.4)Hard elastic, intended for primer with good stone-chip resistance, incombinationwithDesmodur® BL 1100/1 for coil coating primer toimprovehardnessandcold-resistance.

SUPPLYFORMAPPROX.[%]TYPE


BLOCKINGAGENT

CALCULATEDBLOCKEDNCOCONTENTON

SUPPLYFORMAPPROX.[%]/(ONRESIN[%])


* See page 6

NEW

Desmodur®BL 4265

Desmodur®BL 2078/2

Desmodur®BL 3272

Bayhydur®BL 2781

Bayhydur®BL 2867

Bayhydur®BL XP 2706

Desmodur®BL 3475

Desmodur®BL 3175

Desmodur®BL 5375

Desmodur®BL 1265/1

Desmodur®BL 1100/1

Desmodur®BL 3370

Desmodur®BL 3575/1

Desmodur®PL 350Desmodur®

PL 340

PMT > 180°C10–15 min, 140°C25–30 min, 120°C

PMT > 210°C10–15 min, 160°C30 min, 140°C

PMT

= pe

ak m

etal

tem

pera

ture

PMT > 230°C10–15 min, 180°C30 min, 160°C

PMT > 240°C10–15 min, 200°C30 min, 170°C

High film thickness

Waterborne system

HDI polyisocyanate

TDI Prepolymer

IPDI polyisocyanate

H12MDI polyisocyanateHigh thermo-yellowing resistance

Flexibility

Reac

tivity

Food Contact Notification No. 695 since 2007

Partly bio-based

PDI polyisocyanate

Desmodur®eco BL 7175


Desmodur® eco / Desmodur® BL (Solventborne) / Bayhydur® BL (Waterborne) Thermally activated PU hardeners.


Waterbornegradesforwater-based1KPUstovingsystemswith high-performancepolyurethaneproperties.Thealiphaticgrades arelight-stableandweather-resistant.

Thermally activated polyurethane hardener

Bayhydur® BL and Baybond® XL family

Waterborne carbodiimide crosslinker

COMMENTS

Bayhydur® BL XP 2706 HDI/IPDI DMP 40 in water < 2,500 1,275 3.3/(8.2) Highreactive,goodchemicalresistance,lowestthermalyellowing,neutralizedwithDMEA.

Bayhydur® BL 2867 HDI DMP 38 in water < 1,500 960 4.4/(11.5) Highreactive,goodchemicalresistance,lowestthermalyellowing,highflexibilityandoutstandingadhesion.

Bayhydur® BL 2781 HDI MEKO 37 in water 4,900 1,200 3.5/(9.5) Highflexibility,goodadhesion.NeutralizedwithDMEA.Baybond® XL 6366 HDI MEKO 45 in water < 200 975 5.6/(12.5) Highsolidcontent,highflexibility.Deblockingtemperatureapprox.150°C.Baybond® XL 1187 HDI MEKO 30 in water < 200 1,450 2.9/(9.8) Highparticlesize,flexibleandnonioniccharacter.Deblockingtemperatureapprox.150°C.

Baybond® XL 825 HDI Ɛ-CAP 30 in water < 200 1,400 3.0/(10.0) Lowthermalyellowing,improvedimpactstrength,adhesionandflexibility. Deblockingtemperatureapprox.170°C.

Baybond® XL 7270 HDI Ɛ-CAP 30 in water < 100 1,000 3.9/(13.1) Lowthermalyellowing,improvedimpactstrength,adhesionandflexibility. Deblockingtemperatureapprox.170°C. Food contact acc. to EU 10/2011.*

Baybond® XL 3674 HDI Ɛ-CAP 30 in water < 200 1,310 3.2/(10.7) Improvedimpactstrength,adhesionandflexibility.Deblockingtemperatureapprox.170°C. Food contact acc. to EU 10/2011.*

Desmodur® 2802 Carbodiimide 40 in water 100 1mmol–N=C=N–/g 210Polycarbodiimidecrosslinkercanbeusedincombinationwithcarboxylgroupscontainingdispersionpolymers(PUD,PACdispersions)toformulatewaterbornereactivesystemswithverylongpotlife.Ithastheadvantageofhavingaverylowenviromentalimpact.



TYPE

TYPE


FUNCTIONALGROUPSAPPROX.

BLOCKINGAGENT


CALCULATEDBLOCKEDNCO CONTENTONSUPPLYFORM APPROX.[%]/(ONRESIN[%])

COMMENTS



* See page 6


Self-crosslinking urethane resin

COMMENTS

Bayhytherm® 3246/1 HDI DMP 44inwater/PnB/SN 800Wellbalancedhardness-flexibilityprofile,lowthermalyellowing,highgloss. Suitableforadditionalmelaminecrosslinking.ForOEMprimersurfacers, alsogeneralindustrialcoatings.

Desmotherm® 2170 MDI DEM 70inBA/SN/IB 2,000 Forsolvent-borne1KPURstovingcoatings(primerandprimersurfacer).

BLOCKING AGENT

SUPPLYFORMAPPROX.[%]TYPE


Bayhytherm® / Desmotherm®

NEW


Powder hardeners

Crelan® family

COMMENTS

Crelan® EF 403 Internallyblockedlinear IPDI polyisocyanate Flakes 40–55 310 15minat180°C For emission-free powder coatings with outstanding leveling and

pigmentwettingandforspecialone-shotmattecoatings.

Crelan® NI-2 Blockedlinear IPDI polyisocyanate Prills 55–60 280 15minat180°C For economical standard powder coatings with good leveling,

goodpigmentwettingandgoodcorrosionresistance.

Crelan® NW-5 Blockedlinear H12MDI polyisocyanate Prills 48–58 335 15minat175°C Forhigherreactivepowdercoatingswithexcellentflexibilityand

corrosionresistanceproperties.

Crelan® UI Blockedlinear IPDI polyisocyanate Flakes >60 365 15minat180°C For powder coating with good leveling and good pigment wetting or

toimprovecoatingpropertiesofhybridsystems.

Crelan® VP LS 2256 Blockedlinear IPDI polyisocyanate Flakes 48–58 280 15minat180°C For high chemical resistance powder coatings with easy-to-clean

propertiesandstandardpowdercoatingswithgoodoverallproperties.

Tg APPROX.[°C]TYPE

EQUIVALENTWEIGHTAPPROX.SUPPLYFORM[%]

STANDARDBAKINGCYCLE

Solidblockedpolyisocyanatecrosslinkersforpolyurethanepowder coatingswithhighchemicalresistanceandsmoothsurfaces.


Blockedaromaticurethaneresinsforflexibilizationofepoxysystems.

Blocked TDI prepolymers

Desmocap®

Desmocap® 14 CNB 100 25,000 Forelasticcoatingsandsealants;forflexibilizationofepoxyresins.Targetapplications:industrialflooring,parkingdecks, corrosionprotection,adhesivesforfloorcoverings.Cashewnutshellliquidasblockingagent.



COMMENTS


Hardenersforreactive,high-performance2KPURindustrialadhesives.

Desmodur® R:colorofthedriedadhesivefilm

Desmodur® R family

COMMENTS


NCOCONTENT ONSUPPLYFORM

APPROX.[%]SUPPLYFORMAPPROX.[%]


Desmodur® RC TDI isocyanurate 35 in EA 3 7.0 600 Especiallypale-coloredadhesives.

Desmodur® RFE Tris(p-isocyanatophenyl)thiophosphate 27 in EA 3 7.2 583

Crosslinkerwithveryuniversalsuitabilityforadhesivesbased on Desmocoll®,naturalorsyntheticrubber.Suitableasprimeronglasssubstrates.

Desmodur® ultra RN TDI/HDIisocyanurate 40 in EA 11 7.2 585 Especiallypale-coloredadhesives.Lowerdiscoloration.


Aromaticcrosslinkerforcoatingsandadhesives. Desmodur® ultra qualitiesperformwith<0.1%monomercontent.

Desmodur® L family

TDI-based crosslinkers

Desmodur® L 67 BA Adduct 67 in BA 600 11.9 350 2.7 17.0 180 Crosslinkerforuseincorrosionprotectioncoatings, industrialcoatings,woodandfurniturefinishes, concretecoatingsaswellassolvent-borneadhesives.

Desmodur® L 67 MPA/X Adduct 67inMPA/X 1,600 11.9 350 2.7 13.0 255Desmodur® L 75 Adduct 75 in EA 1,600 13.3 315 2.7 9.5 240Desmodur® ultra L 75 Adduct 75 in EA 1,600 13.3 315 2.7 9.5 240 Ultra-lowmonomergradeof Desmodur® L 75.Desmodur® ultra IL BA Isocyanurate 51 in BA 2,000 8.0 525 4.5 2.0 6

Very hard and very fast-drying coatings for wood, furnitureandpaper.Desmodur® ultra IL EA Isocyanurate 51 in EA 700 8.0 525 4.5 3.5 5

Desmodur® ultra IL 1351 BA Isocyanurate 51 in BA 1,300 8.0 525 4.5 2.5 6

Desmodur® IL 1451 BA Isocyanurate 51 in BA 250 7.4 565 4.8 3.0 8 See Desmodur® ultra IL 1351 BAbutwith improvedcompatibility.

TYPEVISCOSITYAT23°CAPPROX.[mPa · s]


APPROX.[%]SUPPLYFORMAPPROX.[%] COMMENTS


GEL TIME WITH DESMOPHEN®1300X

APPROX.[h]DRYINGSTAGE3WITH DESMOPHEN®1300X DINENISO9117/5 APPROX.[MIN]


TheseproductsrepresentonlyaselectionoftheTDI-basedproductsprimarilyusedincoatingapplications. AdditionalTDI-basedproductscanbefound,forexample,ontheCovestroCASwebsite:www.coatings.covestro.com

TDI-/HDI-basedcrosslinkers

Desmodur® HL BA Isocyanurate 60 in BA 2,200 10.5 400 4.4 3.0 12 Fast-drying coatings for wood, furniture, metal,plasticandpaperwithbetterelasticity than Desmodur® IL andbetterlightfastness.Desmodur® HL EA Isocyanurate 60 in EA 1,100 10.5 400 4.4 4.0 10


Desmodur® monomers

Aliphatic diisocyanates

COMMENTS

Desmodur® H HDI 3 84 2 ≤30 RawmaterialforDesmodur® N family, buildingblock.Desmodur® I IPDI 10 111 2 ≤30 RawmaterialforDesmodur® Z family,buildingblock.Desmodur® W H12 MDI 30 131 2 ≤30 Buildingblock.

EQUIVALENTWEIGHTAPPROX.TYPE

FUNCTIONALITYVISCOSITYAT23°CAPPROX.[mPa · s]

COLORINDEX[HAZEN]

Covestroistheleadingcompanythatoffersyouthecompleterangeofaliphaticandaromaticmonomericdiisocyanates(monomers)aswellasoligomericisocyanates (polyisocyanates)andNCO-functionalprepolymers.Especiallythemonomersarewidelyusedasbuildingblocks:• tocreateadiverseportfolioofpolyurethanedispersions(PUDs),• tomodifyacrylic/alkydpolymertoimprovepropertiessuchasfasterdryingorbetterUVstability,• tocreateurethaneacrylatesorusethemforotherurethanizations,• tocreateadiverseportfolioofthermoplasticpolyurethanes(TPU)withdifferentcharacteristics,• to create a diverse portfolio of low and high Tg-castpolyurethanes(CPU)withdifferentcharacteristicsforindustrialCPUs,electricalencapsulation,labeldomingetc.


Forcoatingsandadhesives.

Desmodur® monomers

Monomeric TDI products

Desmodur® T 65 N 48 67.0 3 2 87 100/40Desmodur® T 80 48 80.5 3 2 87 100/40 Stabilizer:Irganox® 1076 FD.Desmodur® T 100 48 ≥99.0 3 2 87 20/20 Stabilizer:Irganox® 1076 FD.

Desmodur® T 100 SP 48 ≥99.0 3 2 87 50/50 Stabilizer: Irganox® 1076 FD, for prepolymers with improvedstoragestability.


NCOCONTENT APPROX.[%]

FUNCTIONALITYHCMAX./ACIDITYMAX.[mg/kgCl-]/[mg/kgHCL]

2,4-TDICONTENT APPROX.[%] COMMENTS

EQUIVALENTWEIGHT

Monomeric MDI products

FUNCTIONALITY APPROX.

NCOCONTENT APPROX.[%]

EQUIVALENTWEIGHT

VISCOSITYAT25°CAPPROX.[mPa · s] COMMENTS

Desmodur® 44 M liquid 33.6 4(40°C) 2.0 125 Flexiblepackaging,hotmelts,sealants;additionalsupplyforms:fusedandflakes.

Desmodur® 44 MC liquid 33.6 4(40°C) 2.0 125 Hotmelts,sealants,prepolymerswithimprovedstorageandcolorstability; additionalsupplyforms:fusedandflakes.

Desmodur® LS 2424 33.6 12 2.0 125 Flexiblepackaging,hotmelts,approx.55%2,4’-MDI/45%4,4’-MDI.Desmodur® 2460 M 33.6 12 2.0 125 Flexiblepackaging,hotmelts,approx.55%2,4’-MDI/45%4,4’-MDIcolorstabilized.

Desmodur® CD-S 29.5 35 2.1 142 Hotmelts,sealants,modifiedmonomericMDI,liquidatroomtemperature, storage-stableatlowtemperatures.


Aromaticcrosslinkerforcoatingsandadhesives.

Desmodur® polymeric MDI products (pMDI)

For adhesives COMMENTS





APPROX.[%]

GEL TIME WITH CASTOROIL APPROX.[min]

Desmodur® VK 5 23 32.5 130 2.2 60 Buildingblockforprepolymers,high2,4’-MDIcontent,goodcompatibility withpolyethers.

Desmodur® VK 10 90 31.5 135 2.6 40 1Kand2Kadhesives,high2,4’-MDIcontent,lowpMDIcontent, goodcompatibilitywithpolyethers.

Desmodur® VK 10 L 90 31.5 135 2.6 50 1Kand2Kadhesives,high2,4’-MDIcontent,lowpMDIcontentgood compatibilitywithpolyethers,lowerreactivitythanDesmodur® VK 10.

Desmodur® VL R 10 120 31.5 135 2.8 45 Standard2Kadhesives,lowviscosity.Desmodur® VKS 20 200 31.5 135 2.9 45 Standard2Kadhesives,lowacidity.Desmodur® VKS 20 F 200 31.5 135 2.9 40 Standard2Kadhesives,highacidity.Desmodur® 44V40 L 400 31.0 135 3.0 50 Standard2Kadhesives,highfunctionality.Desmodur® 44V70 L 680 31.3 135 3.2 50 Standard2Kadhesives,highestfunctionality.


Aromaticcrosslinkerforcoatingsandadhesives.

Desmodur® polymeric MDI products (pMDI)

For coatings and membranes

Desmodur® VL 50 23 32.5 130 2.2 60 Verylowviscosity;sameapplicationsasDesmodur® VLbutbetter compatibilitywithpolyethersandlowerreactivity;moreflexible.

Desmodur® VL 51 21 32.5 130 2.2 50 Verylowviscosity;sameapplicationsas Desmodur® VLbutbetter compatibilitywithpolyethersandlowerreactivity;moreflexible.

Desmodur® VP.PU 60RE11 21 32.5 130 2.2 45 Verylowviscosity;high2-ringcontent.Desmodur® XP 2551 66 32.0 130 2.5 50 Crosslinkerprimarilyforpolyolemulsions.Desmodur® VL 90 31.5 135 2.6 40 Crosslinkerfor100%solidscoatings,sealantsandmembranes.

Desmodur® VL R 10 120 31.5 135 2.8 45 Higher reactivity than Desmodur® VL;for100%solidsspraycoatings andmembranes.

Desmodur® VL R 20 200 31.5 135 2.9 45 Lower reactivity than Desmodur® VL;for100%solidsspraycoatings andmembranes.

Desmodur® VKS 20 F 200 31.5 135 2.9 40 Higher reactivity than Desmodur® VL R 20; for100%solidscoatings andmembranes.

COMMENTS





APPROX.[%]

GEL TIME WITH CASTOROIL APPROX.[min]


Prepolymersbasedonaliphaticdiisocyanatesdisplaygoodweatherstabilityandarecolor-stable. Theseuniquepropertiesareimportantforapplicationssuchascorrosionprotectionornon-yellowing coatingsandadhesives.Desmodur® ultra qualitiesperformwith<0.1%monomercontent.

Desmodur® aliphatic prepolymers

Prepolymers based on HDI

Prepolymers based on IPDI

Desmodur® ultra E 30500 12.5 <0.1 335 100 4,250 2.0 2,400 1Kbondingofrubberpellets,2Kadhesives. PreviouslyknownasDesmodur® XP 2617.

Desmodur® E 30700 11.0 <0.3 380 100 1,350 2.2 N/A

Highlyelasticprepolymerforwaterproofingmembranes,floorcoatings,suitablecombinationwithasparticesters.Recommendableforcorrosionprotectionandwindebladecoatings.Previouslyknownas Desmodur®E 2863 XP.

Desmodur® ultra E 3370 9.8 ≤0.1 420 70inMPA/SN 1,400 4.0 4,900 Corrosionprotectioncoatings,goodweatherstability,non-yellowing, 1Kapplication.

Desmodur® E 30600 6.0 ≤0.3 700 100 2,500 4.0 3,500 2Kcoatingsand2Kadhesives.PreviouslyknownasDesmodur® XP 2599.

Desmodur® E 3265 MPA/SN 10.4 ≤0.26 405 65inMPA/SN 1,200 4.2 3,100 Corrosionprotectioncoatings,goodweatherstability,non-yellowing, 1Kapplication.

Desmodur® VP LS 2371 3.7 <2.0 1,100 100 9,800 2.0 11,500 1Kconstructioncoatings,1Ksealants.

Desmodur® E 40480 MPA 2.8 <0.5 1,500 80 in MPA 7,000 2.0 >5,800 Elasticcoatingsandsealantswithverygoodweatherstability. PreviouslyknownasDesmodur® XP 2406.


NCOCONTENTONSUPPLY-FORM

APPROX.[%]



MONOMERCONTENT[%] COMMENTS

VISCOSITY AT23°CAPPROX.

[mPa · s]

DRYINGTIME (MOISTURECURING

SYSTEM)23°C/50%r.h.APPROX.[min]

NEW


PrepolymersareNCO-functionalreactionproductsofaromaticoraliphaticisocyanatesandpolyols,suchaspolyethersorpolyesters. Thewidevariabilityoftheisocyanatecontentandfunctionalityenablesthe viscosity of the prepolymers and the mechanical properties of thefinishedproductstobepreciselyadjusted.

Desmodur® aromatic prepolymers

Prepolymers based on TDI

Desmodur® E 1361 MPA/X 6.8 620 61inMPA/X 500 2.8 ≤0.4 120 Fast-drying1Kmoisture-curingcoatings.Recommendablefor corrosionprotection.

Desmodur® E 1361 BA 6.8 620 61 in BA 250 2.8 <0.5 90 Fast-drying1Kmoisture-curingcoatings.Recommendablefor corrosionprotection.

Desmodur® E 1160 MPA/X 5.4 780 60inMPA/X 550 3.0 ≤0.4 740 1Kmoisture-curingcoatings.

Desmodur® E 1660 5.3 790 60 in BA 1,600 2.0 <0.5 25 Veryfast-drying1Kmoisture-curingcoatingsincombinationwith other Desmodur® Etypes.

Desmodur® E 15 4.4 955 100 7,000 2.0 <0.5 2,800 Recommendablefor2Kelasticparkdeckcoatings,1Ksealantsandcorrosionprotection.

Desmodur® E XP 2605/1 4.3 975 50 in BA 250 3.7 ≤0.4TDI<1.0MDI 25 Veryfastdrying,forparquetandfurniture.

Desmodur® E 14 3.3 1,270 100 6,800 2.5 <0.5 1,400 Recommendablefor2Kelasticparkdeckcoatings,1Ksealants, flexibilizationofanti-corrosionsystemsandcorrosionprotection.



APPROX.[%]


MONOMERCONTENT[%]



DRYINGTIME (MOISTURECURINGSYSTEM)23°C/50%r.h.APPROX.[min]


Prepolymers are the reaction products of aromatic or aliphatic isocyanates and polyols, such as polyethers orpolyesters.Thewidevariabilityofthebuildingblocks,isocyanatecontentandfunctionalityenablestheviscosityoftheprepolymersandthemechanicalpropertiesofthefinalproductstobepreciselyadjusted.

Desmodur® and Desmoseal® M

Prepolymers based on MDI

VISCOSITYAT23°C (* 25°C)APPROX.[mPa · s]

NCOCONTENTONSUPPLYFORM APPROX.[%]



DRYINGTIME(MOISTURECURINGSYSTEM)23°C/50%r.h.APPROX.[min]

Desmodur® VH 20 N 24.5 173 280* 2.1 770 Sportsfloors,storage-stableatlowtemperatures.

Desmodur® E 29 24.0 175 220* 2.2 140 1Kprimerforflooringapplications,binderforcorrosionprotection.Desmodur® 2665A 16.3 255 4,500* 2.7 65 1Kwoodbonding(D4)–higherreacitivitycomparedtoE21,2Kadhesives.Desmodur® E 21 16.0 260 5,400* 2.8 110 1Kwoodbonding(D4),2Kadhesives,binderforcorrosionprotection.Desmodur® E 2190 X 14.3 295 1,100* 2.8 115 90%supplyformofDesmodur® E 21inxylene.

Desmodur® E 20100 15.7 265 1,100 2.0 180 1Kresinforsealingofwater-conveyingcracksinstructuresaboveand belowground,rawmaterialforinjectionsystems.

Desmodur® E XP 2723 15.4 270 1,500* 2.3 480 1Kassemblingadhesives,2Kadhesives.

Desmodur® E 23 15.4 270 1,800 2.1 130 1Kwoodbonding(D4),2Kflexiblepackagingadhesives,binderfor corrosionprotection.

Desmodur® E XP 2727 15.3 275 800 2.0 640 For one and two-component polyurethane and polyurea coatings, adhesivesandsealants.

Desmodur® E XP 2715 15.1 280 950(70°C) 2.0 – Precursorforlowmonomer1KPURhotmelts.Desmodur® E XP 2762 14.3 295 4,500 2.1 15 1Kwoodbonding(D4)–higherreacitivitycomparedtoE23,2Kadhesives.Desmodur® E 2200/76 9.9 425 2,750* 2.0 1,100 Flexiblepackaging.Desmodur® E 22 8.6 490 2,800 2.0 190 1Kbondingofrubberpellets,2Kadhesives.Desmoseal® M 280 2.1 2,000 33,000 2.7 200 1Ksealants,1Kelasticadhesives.


BK 10 drying recorder (test method PV 123)

Measuring conditions:Filmthickness: 250μmTemperature: 23°CHumidity: 50%Speed: 5.1cm/h

NCOprepolymersforreactiveadhesives reactivity of low-monomer prepolymers

NCOprepolymersforreactiveadhesives reactivityofMDIbasedprepolymers

Endofneedletrack/startdottedneedletrack

Glass strip

Film building time (FBT)

Film drying time (FDT)

Beginningofvisible needletrack

Measuring needle(weight10g)Start of recording

Drying Recorder test FBT–FilmbuildingtimeFDT – Film drying time

Drying Recorder test FBT–FilmbuildingtimeFDT – Film drying time


Silane-terminatedpolyurethanes(STP)combinetheadvantagesofapolyurethanebackboneand silane-basedcuringmechanism,suchasexcellentcohesivestrengthandgoodadhesionproperties. Theycoverthecompleteapplicationrangefromlowmodulussealantsuptostructuraladhesives.

Desmoseal® S family

Silane-terminated polyurethanes

COMMENTS

Desmoseal® S XP 2774 100 50,000 Very high Forlowmodulussealantswithveryhighelongation.Startingformulationavailablewhichhasbeen classifiedaccordingtoISO11600-F-25LM(iftRosenheim).

Desmoseal® S XP 2636 100 40,000 High Forlowmodulussealantsandelasticadhesiveswithhighelongation.Desmoseal® S XP 2458 90 in Mesamoll 35,000 Medium Forelasticadhesivesandhigh-modulussealantswithmediumelongation.Desmoseal® S 2876 100 25,000 Medium Forelasticadhesivesandhigh-modulussealantswithmediumelongation.Desmoseal® S XP 2749 100 5,100 Low Foradhesiveswithhighhardnesswithoutaddedplasticizer.Desmoseal® S XP 2821 100 20,000 Low Forstructuraladhesiveswithhightensilestrengthandlapshearstrengthwithoutaddedplasticizer.


SUPPLYFORM APPROX.[%]

MOLECULARWEIGHT

Legend Solvents

BA Butyl acetateSN Solvent naphthaMPA MethoxypropylacetateX XyleneEA Ethyl acetatePGDME Dipropylene glycol dimethyl etherPGDA Propylene glycol diacetateIB Isobutanol

Isocyanates

HDI HexamethylenediisocyanateIPDI Isophorone diisocyanatePDI Pentamethylene diisocyanateH12MDI DicyclohexylmethanediisocyanateTDI Toluene diisocyanateMDI Diphenylmethane diisocyanate

Blocking agents

DEM DiethylmalonateDIPA DiisopropylamineDMP DimethylpyrazoleMEKO MethylethylketoximeƐ-CAP Ɛ-Caprolactam

Other abbreviations

Tg Glass transition temperature


AtCovestro,innovationisinourDNA.EversinceOttoBayerdiscoveredpolyurethanesin1937,wehavebeen driving polyurethane innovations in coatings and adhesivesaswellasinotherapplicationareas.Asourpartner,youenjoyfast-laneaccesstopolyurethane innovations and can help us in developing thenextgenerationofpolyurethanestomeettheindustry’supcomingchallengesandneeds.Whatcanwe offeryou?

Fast-lane access to polyurethane innovations

• Powerfulknow-howonbothestablishedandnewpolyisocyanates, as well as on new poly urethane hybridtechnologies.

• The prospect of new application technologies to enableefficientprocesses.

• Moresustainable,partlybiomass-orCO2-basedmaterialsthatdonotsacrificehighperformance.

Join us to shape the future!

The manner in which you use our products, technical assistance and information (whether verbal, written or by way of production evaluations), including any suggested formulations and recommendations, is beyond our control. Therefore, it is imperative that you test our products to determine suitability for your processing and intended uses. Your analysis must at least include testing to determine suitability from a technical, health, safety, and environmental and regulatory standpoint. Such testing has not necessarily been done by Covestro, and Covestro has not obtained any approvals or licenses for a particular use or application of the product, unless explicitly stated otherwise. [EMEA only: If the intended use of the product is for the manufacture of a pharmaceutical/medicinal product, medical device1 or of pre-cursor products for medical devices or for other specifically regulated applications which lead or may lead to a regulatory obligation of Covestro, Covestro must explicitly agree to such application before the sale.] Any samples provided by Covestro are for testing purposes only and not for commercial use. Unless we otherwise agree in writing, all products are sold strictly pursuant to the terms of our standard conditions of sale which are available upon request. All information, including technical assistance is given without warranty or guarantee and is subject to change without notice. It is expressly understood and agreed by you that you assume and hereby expressly release and indemnify us and hold us harmless from all liability, in tort, contract or otherwise, incurred in connection with the use of our products, technical assistance, and information. Any statement or recommendation not contained herein is unauthorized and shall not bind us. Nothing herein shall be construed as a recommendation to use any product in conflict with any claim of any patent relative to any material or its use. No license is implied or in fact granted under the claims of any patent. 1 Please see the “Guidance on Use of Covestro Products in a Medical Application” document.Typical value: These values are typical values only. Unless explicitly agreed in written form, the do not constitute a binding material specification or warranted values.

Covestro Deutschland AGKaiser-Wilhelm-Allee 6051373 LeverkusenGermany

[email protected] Edition: 2021 · Printed in Germany

Polyisocyanates and Prepolymers

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Transcript of Polyisocyanates and Prepolymers