Overcome Cellulosics Drawbacks with

Rheotech™ x800

2

Agenda

What is currently known about HEC and HASE thickeners :

strengths and weaknesses

Case studies addressing HEC and HASE known weaknesses

thanks to new HASE technologies

3

HEC thickeners use and performance

Stable viscosities for shelf life stability

Robustness vs binder technology

Color compatibility, homogeneous appearance to tinted paints

Open time to thin and thick paint coatings

Powder form, preparation time more water amount and swelling time

Poor leveling, addition of glycol or HEUR thickeners

Spatter issues and limited brush drag/film build due to poor high shear building

Limited choice of rheology profiles

Case 1

Case 3

4

HASE thickeners use and performance

A broad spectrum of rheology profiles, from Newtonian to pseudo plastic

Better productivity, liquid form, no preparation, incorporation at any stage, post-addition

Remarkable application properties thanks to the control of high shear rate viscosities

Better price/performance ratio: less use of thickener leading to cost savings

Dependant on binder technology

Significant viscosity evolution overnight and in time for 0-VOC paints

Open time reduction of thin and thick paint coatings

Case 2

Case 3

5

Semi-gloss Eggshell

MattGloss

Paints

3800

2800 4800

Balanced

PseudoplasticNewtonian

RHEOTECH™

A broad spectrum of rheology profiles, from Newtonian to Pseudo plastic Case 1

6

TARGET : 10 rpm Brookfield Viscosity

15 000 mPa.sViscosity ICI (P)

% dry dosage

/ total formulation0.2 0.4 0.6

1 P

2 P

One coatmatt paint

Standardmatt paint

Solvent free matt paint, based on 15% VAE binder type

A broad spectrum of rheology profiles, from Newtonian to Pseudo plastic

RHEOTE

CH™

HEC

3800Economical

matt paint

4800

2800

Case 1

7

NewtonianRheotech™ 2800

Balanced & robustRheotech™ 3800

Pseudo plasticRheotech™ 4800

one coat matt paint

semi gloss paint

economical matt paint

standard matt paint

excellentfair

poor goodleveling

film build

1- A broad spectrum of rheology profiles, from Newtonian to Pseudo plastic

Case 1

8

Dependency of HASE on binder technology

Aim: to maintain rheological balance while choosing another Aim: to maintain rheological balance while choosing another latex chemistry and/or changing its amount in a Matt Paint latex chemistry and/or changing its amount in a Matt Paint FormulationFormulation

Low Shear Viscosity 14 000 mPa.s (Brookfield at 10 rpm)

Medium Shear Viscosity 120 KUHigh Shear Viscosity 1.1 P (ICI viscosity)

Three different latexesThree different latexes Two dosagesTwo dosagesStyrene Acrylic 1 5 % & 15 % of latex Styrene Acrylic 2 5 % & 15 % of latex Ethylene Vinyl Acetate 15 % of latex

Results Results

● Difference between the obtained and targeted values is calculated in %.

● Target is considered as achieved each time the difference is less than plus or minus 30%.

Case 2

9

-30

0

30

60

%

Rheotech™3800 HASE 1 HASE 2

C/P (mPa.s)Stormer (KU)

Brookfield 10 rpm (mPa.s)

Dependency of HASE on binder technology

HASE 3 HASE 4 HASE 5

Matt dispersion paint: 15% of VAE binder, 0.3% of thickener (dry)

-30

0

30

60

%

Rheotech™3800 HASE 1 HASE 2

C/P (mPa.s)Stormer (KU)

Brookfield 10 rpm (mPa.s)

HASE 3 HASE 4 HASE 5

-30

0

30

60

%

Rheotech™3800 HASE 1 HASE 2

C/P (mPa.s)Stormer (KU)

Brookfield 10 rpm (mPa.s)

HASE 3 HASE 4 HASE 5

Case 2

10

Dependency of HASE on binder technology

Matt dispersion paint: 5% of styrene acrylic binder, 0.3% of thickener (dry)

-30

0

30

60

%

Rheotech™3800 HASE 1 HASE 2

C/P (mPa.s)Stormer (KU)

Brookfield 10 rpm (mPa.s)

HASE 3 HASE 4 HASE 5

Case 2

11

Dependency of HASE on binder technology

Matt dispersion paint: compliance between tested thickeners

0

1

2

3

4

5compliance/5

Rheotech™3800 HASE 1 HASE 2 HASE 3 HASE 4 HASE 5

The HASE technology deployed across Rheotech™ range allows:

• less binder dependency like HEC thickeners

• associative character more robust vs current HASE

• more flexibility for production processes

Case 2

12

Medium Mw HEC Rheotech™ 2800 Experimental

HASE ThickenerWater 303.0 160.0 364.0

NaOH 25% 0.9 0.3 1.9Ecodis™ P 50 3.0 3.0 3.0

Biocide 2.0 2.0 2.0Anti-foamer 1.0 1.0 1.0

Medium Mw HEC 6.0 - -Rheotech™ 2800 (30% ) - 13.3 -

New experimental HASE (30% ) - - 13.3TiO2 40.0 40.0 40.0

CaCO3 5 microns 300.0 300.0 300.0CaCO3 2 microns 200.0 200.0 200.0

Adjustement to pH 9VAE binder 74.0 74.0 74.0

Water 70.1 204.4 -NaOH 25% - 2.0 0.8

Total (g) 1 000.0 1 000.0 1 000.0

Thickener rate (dry/ TFW) 0.6 0.4 0.4

T0 viscositiesBrookfield @10 rpm (mPa.s) 8800 4960 16500

Brookfield @100 rpm (mPa.s) 2750 1960 6800 Stormer (K.U) 102 95 124

ICI (P) 1.2 1.3 1.3T 24h viscosities

Brookfield @10 rpm (mPa.s) 10500 5960 17200Brookfield @100 rpm (mPa.s) 3100 2310 6220

Stormer (K.U) 105 99 125 ICI (P) 1.3 1.3 1.3

Low emission high PVC matt paint PVC: 84%, SC: 58.7%

Case 3

HASE performance ratio and application propertiesNew outlook for open time

13

Low emission high PVC matt paint PVC: 84%, SC: 58.7%

Storage stability at room temperature and at 50°C

Case 3

0

5 000

10 000

15 000

20 000

Medium MW HEC Rheotech™ 2800 New experimentalHASE

10 r

pm

Bro

okfie

ld v

isco

sitie

s

Immediates

Viscosities 24h

Viscosities T 1week - Oven 50 °c

Viscosities t 1month - Oven 50°c

HASE performance ratio and application propertiesNew outlook for open time

14

Low emission high PVC matt paint PVC: 84%, SC: 58.7%

Storage stability: Freeze-thaw stability

0

5000

10000

15000

20000

25000

Medium Mw HEC Rheotech™ 2800 Experimental HASEthickener

10 r

pm

Bro

okfield

vis

cosi

ties

(mPa.s

)

Before

After 1 cycle

After 2 cycles

After 3 cycles

Case 3

HASE performance ratio and application propertiesNew outlook for open time

15

Low emission high PVC matt paint PVC: 84%, SC: 58.7%

Application Properties: Sag evaluation (ASTM D4400)

Medium Mw HEC Medium Mw HEC Rheotech™ 2800Rheotech™ 2800

No sag until 24 milsNo sag until 24 milsNo sag until 16 milsNo sag until 16 mils

Experimental HASE thickener

Experimental HASE thickener

No sag until 24 milsNo sag until 24 mils

Case 3

HASE performance ratio and application propertiesNew outlook for open time

16

Low emission high PVC matt paint PVC: 84%, SC: 58.7%

Application Properties: leveling evaluation (ASTM : D4062)

Rheotech™ 2800Rheotech™ 2800 Medium Mw HEC Medium Mw HEC

Leveling = 5Leveling = 5Leveling = 4Leveling = 4

Experimental HASE thickener

Experimental HASE thickener

Leveling = 7Leveling = 7

Case 3

HASE performance ratio and application propertiesNew outlook for open time

17

Low emission high PVC matt paint PVC: 84%, SC: 58.7%

Open Time

20

25

30

35

40

Medium Mw HEC Rheotech™ 2800 ExperimentalHASE thickener

Ope

n tim

e (m

in)

Case 3

HASE performance ratio and application propertiesNew outlook for open time

The review of the valuable advantages of HEC thickeners shows that

Robustness / binderStorage stability Open time

are totally matched by Rheotech™ technology

Rheotech™ family offers as well the added value of HASE thickeners

EfficiencyVersatilityImproved coating properties