Polymer Additives for Plastics - myChem · Emilie Meddah, BL Polymer Additives, Global Technical...

Confidential

Emilie Meddah

BL Polymer Additives

Global Technical Assistance

16.05.2014

Polymer Additives for Plastics

ANTISTATIC AGENTS FOR POLAR PLASTICS

Emilie Meddah, BL Polymer Additives, Global Technical Assistance, 16.05.2014

Antistatic Agents for Polar Plastics

2

® Trademark registered by Clariant in numerous countries

®* Trademark licensed to Clariant in numerous countries

Confidential, Antistatics for Polar Plastics

Hostastat®* FA 14

Hostastat®* FA 24

Hostastat®* FE 20

Hostastat®* HS 1


Hostastat HS 1 Fine Grain / Pills / Zn Pills Appearance

3 Confidential, Antistatics for Polar Plastics


Hostastat FE 20, Hostastat FA 14 and FA 24 Appearance

4

Hostastat FE 20 Hostastat FA14 Hostastat FA 24



Recommendation & Suitability

Standard Plastics PS PS-HI PVCABS/

SAN

PET/

PBTPA PC POM TPU

Hostastat FA 14 / FA 24

Hostastat FE 20 2)

Hostastat HS 1 1)

5

= Main application

= Applicable

1) for opaque PVC applications

2) for transparent PVC applications



Hostastat HS 1 in Polar Plastics General Recommendation Table

6

Polymer Dosage [phr]

Achievable Effects (reduction of surface resistivity / static decay time)

Remark

PA 6.6

PA 6

2-3 from 1013 Ω / > 180 sec.

to 109 Ω / ~ 10 sec.

the hygroscopic behaviour of PA leads to a low surface resistivity itself

PC 2 from 1014 Ω / > 180 sec.

To 109 Ω/ ~ 2 sec.

strong colour influence

not for transparent application

PET 2-3 from 1015 Ω

to 1013 Ω

not transparent

colour influence

PBT 2-3 from 1013 Ω / > 180 sec.

to 1010 Ω / ~ 4 sec.

only small colour influence

(∆YI approx. 3)

POM 2 from 1014 Ω / ~ 120 sec.

to 1012 Ω / < 1 sec.


TPU 1 from 1015 Ω

to 1011 Ω


PS/ABS 2-3 from 1015/1014 Ω / > 180 sec.

to 109/1010 Ω / < 5 sec.

not for transparent application




Weight Increase of Hostastat HS 123 °C at 50 % rel. Humidity

7

0

0,2

0,4

0,6

0,8

1

1,2

1,4

0 2 4 6 8 10

Time of exponation [days]

We

igh

t in

cre

as

e [

%]

Test: 2 g fine grain distributed on 9.6 cm²



Volatilities

8

0

2

4

6

8

10

12

14

16

80 100 120 140 160 180 200 220 240 260 280 300 10' 20' 30'

Temperature [°C] / isotherm at 300 °C [min]

Vo

lati

lity

[%

]

Hostastat HS 1 Hostastat FE 20

Thermogravimetry: 1 l air/min, sample size 500 mg, surface 3 cm², heating rate 2 K/min.



Antistats in PVCScope of the Tests

Surface resistance

– Rigid PVC different stabilizations (Sn, Pb , Ca/Zn & Ba/Cd)

– Semi- Rigid PVC different stabilizations (Sn, Pb , Ca/Zn & Ba/Cd)

– Flexible PVC different stabilizations (Sn, Pb , Ca/Zn & Ba/Cd)

– Influence on transparency different products (+ surface resistance)



Hostastat HS 1 & FE 20 in Rigid PVC Various Base Stabilizations

10

Sur

face

res

ista

nce

[ Ω]

Sn-stabilised Pb-stabilised Ca/Zn-stabilised Ba/Cd-stabilised

no antistat 1 phr Hostastat HS 1 2 phr Hostastat HS 1 1 phr Hostastat FE 20 2 phr Hostastat FE 20

109

1014

1013

1012

1011

1010

1015

Test: 1 mm pressed sheet, determination after 3 days storage at 23°C/ 50 % rel. humidity

100.0 parts Hostalit S 41701.5 parts Octyl tin stabiliser0.5 parts Licowax E

100.0 parts Hostalit S 41703.0 parts 3-basic lead Sulfate0.5 parts Licowax PED 521

100.0 parts Hostalit S 41702.0 parts Ca/Zn-stabiliser0.5 parts Licowax PED 521

100.0 parts Hostalit S 41702.0 parts Ba/Cd-stabilizer0.5 parts Licowax PED 521

> 1015 > 1015 > 1015 > 1015



Hostastat HS 1 & FE 20 in Semi-Rigid PVC - Various Base Stabilizations -

11


100.0 parts Hostalit S 417025.0 parts DOP1.5 parts Octyl tin stabiliser0.5 parts Licowax E

100.0 parts Hostalit S 417025.0 parts DOP3.0 parts 3-basic lead sulfate0.5 parts Licowax E

100.0 parts Hostalit S 417025.0 parts DOP2.0 parts Ca/Zn-stabiliser0.5 parts Licowax E

100.0 parts Hostalit S 417025.0 parts DOP2.0 parts Ba/Cd-stabiliser0.5 parts Licowax E

Sur

face

res

ista

nce

[ Ω]


Without

1 phr Hostastat HS 1 2 phr Hostastat HS 1

1 phr Hostastat FE 20 2 phr Hostastat FE 20

109

1014

1013

1012

1011

1010

1015



Hostastat HS 1 & FE 20 in Flexible PVC Various Base Stabilizations

12


100.0 parts Hostalit S 417066.0 parts DOP1.5 parts Octyl tin stabilizer0.5 parts Licowax PED 521

100.0 parts Hostalit S 417066.0 parts DOP3.0 parts 3-basic lead sulphate0.5 parts Licowax PED 521

100.0 parts Hostalit S 417066.0 parts DOP2.0 parts Ca/Zn-stabilizer0.5 parts Licowax PED 521

100.0 parts Hostalit S 417066.0 parts DOP2.0 parts Ba/Cd-stabilizer0.5 parts Liocwax PED 521

Sur

face

res

ista

nce

[ Ω]


Without

1 phr Hostastat HS 1 2 phr Hostastat HS 1

1 phr Hostastat FE 20 2 phr Hostastat FE 20

109

1014

1013

1012

1011

1010

1015



0

10

20

30

40

50

60

70

80

90

100

Transparency [%] Surface resistivity [Ohm]

1017

1016

1015

1014

1013

1012

1011

1010

109

108

107

Impact of Antistats on Transparency of PVC

13


Hostastat FE 20 - 1.5 1.2 1 - phrHostastat HS 1 - - 0.3 0.5 1.5 phr

Test formulation:Hostalit S 3060 100,0 partsProcessing aid 1,0 phrHostastab SnS 10 1,5 phrGlycerolmonooleate 0,3 phrWax E 0,3 phrTest product 1,5 phr



Antistats in StyrenicsScope of the Tests

– GP – PS dosage level & storage days

– influence on transparency in a GP - PS

– influence on colour in a GP - PS

– HI – PS dosage level & storage days

– ABS dosage level & products surface resistance & static decay

– SAN dosage level & products surface resistance



Hostastat HS 1 in PS-GP (General Purpose)

15

Test: 1 mm injection moulded plates, standardized storage (24h @ 23°C/ 50% rel. humidity)

Sur

face

res

ista

nce

[ Ω]

no antistatic agent + 1 phr + 2 phr + 3 phr

Level of Hostastat HS 1

1 day

7 days

14 days

109

1014

1013

1012

1011

1010

1015



Impact of Antistats on Transparency of PS-GP

16

Test: 2 mm injection moulded plates, 7 days 23 °C/ 50 % rel. humidity

Hostastat HS 1 - 0.5 1.0 1.5 - - - - 0.3 phrHostastat FE 20 - - - - 1.0 2.0 - - 2.0 phrHostastat FA 14 - - - - - - 0.5 1.0 - phr

0

10

20

30

40

50

60

70

80

90

100

Transparency [%] Surface resistance [Ohm]

1014

1013

1012

1011

1010

109



Impact of Antistats on Colour of PS-GP

17


Host. HS 1 - 0.5 1.0 1.5 - - - - 0.3 phrHost. FE 20 - - - - 1.0 2.0 - - 2.0phrHost. FA 14 - - - - - - 0.5 1.0 - phr

54

56

58

60

62

64

66

68

L-value Surface resistance [Ohm]

1014

1013

1012

1011

1010

109



Hostastat HS 1 in PS-HI (High Impact)

18


Sur

face

res

ista

nce

[ Ω]


1 day

7 days

14 days

109

1014

1013

1012

1011

1010

1015



Hostastat HS 1 in ABS

19


> 180 / 1015 > 180

0

10

20

30

40

50

60

no antistatic agent + 2 phr + 3 phr

Half life time [sec] Surface resistance [Ohm]

1016

1013

1012

1011

1010

109

1014

1015



Ethoxylated Amine vs. Alkylsulfonatein ABS

20


> 180 / 1015 > 180

3 % 3 %

0

20

40

60

80

100

120

140

160

180

200

no antistatic agent Hostastat HS 1 Hostastat FA 14

Half life time [sec] Surface resistance [ohm]

1016

1013

1012

1011

1010

109

1014

1015



Hostastat HS 1 in SAN

21


Sur

face

res

ista

nce

[ Ω]

no antistatic agent 2,5 phr Hostastat HS 1 2,0 phr Hostastat FA 14

After 1 day

After 8 days

After 7 weeks

109

1014

1013

1012

1011

1010

1015



Antistats in PAScope of the Tests

– PA 6.6 dosage level surface resistance & static decay

– PA 6.6 dosage level influence on colour

– PBT dosage level surface resistance & half time

– PBT dosage level colour

– TPU surface resistance (Polyester and Polyether based on TPU)



Hostastat HS 1 in PA 6.6

23


> 180

0

10

20

30

40

50

60

70

80

90

100


Half life time [sec] Surface resitivity [Ohm]

1014

1013

1012

1011

1010

109

1015



Influence of Hostastat HS 1 on Colour of PA 6.6

24


0

2

4

6

8

10

12

14

16


0

10

20

30

40

50

60

70

80

Yellowness-Index L-value



Hostastat HS 1 & FE 20 in PBT

25


> 180 140

0

10

20

30

40

50

60

70

80

90

100

no antistaticagent

+ 1 phrHostastat

HS 1

+ 2 phrHostastat

HS 1

+ 3 phrHostastat

HS 1

+ 2 phrHostastat

FE 20

+ 3 phrHostastat

FE 20

Half life time [sec] Surface resitivity [Ohm]

1014

1013

1012

1011

1010

109

1015



Impact of Antistats on Colour of PBT

26


0

1

2

3

4

5

6

7

8

9

10

noantistatic

agent

+ 1 phrHostastat

HS 1

+ 2 phrHostastat

HS 1

+ 3 phrHostastat

HS 1

+ 2 phrHostastat

FE 20

+ 3 phrHostastat

FE 20

Yel

low

ness

Inde

x



Hostastat HS 1 in TPU

27


Polyether based TPU Polyester based TPU

Sur

face

res

ista

nce

[ Ω]

Without 1%109

1014

1013

1012

1011

1010

1015

Sur

face

res

ista

nce

[ Ω]

Without 1%109

1014

1013

1012

1011

1010

1015



Remarks

For Further Infomation, Such as:

Testing Methods, Food Approvals,

Antistats for Engineering Resins,

Basic Principles of Electrostatic

Charging and Competition

Please refer to the Presentation

Antistats - Introduction


Polymer Additives for Plastics - myChem · Emilie Meddah, BL Polymer Additives, Global Technical...

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