KRATON科腾新型SEBS技术资料

科藤新产品介绍及配方指导

New Hydrogenated Styrenic Block Copolymers for Pressure Sensitive AdhesivesDr Noël De Keyzer and Dr Geert VermunichtKRATON Polymers Research S.A. Belgium

23/02/2005

科藤新产品介绍及配方指导

KRATON: Thermoplastic ElastomerTwo-phase structurePS and Rubber are incompatible and form a two-phase structure

° 300APSΦ RubberΦ

Temperature induced transitionsGlass Crosslinked reinforced rubber Viscous liquid‘Homopolymer’

Rubber Tg

PS Tg End-use region

Orderdisorder T Processing region23/02/2005

Leading by Listening

科藤新产品介绍及配方指导

Structure of Hydrogenated Styrenic Block CopolymersPS RUBBER PS

PB

-(CH2– CH=CH-CH2 -)n– (CH2 -CH - )m CH=CH2

SBS

PEB

-(CH2– CH2-)n– (CH2– CH -)m CH2– CH3

SEBS

23/02/2005

科藤新产品介绍及配方指导

Features of conventional Kraton G Hydrogenation of double bonds- higher mid-block Tg (-55°C) than SBS (-90°C) - long term thermal stability and weatherability+ UV additives - lower mid-block solubility parameter (δ= 7.9) than SBS (δ= 8.3) hydrogenated tackifyers, polyolefins, waxes - enhanced phase separation high cohesion formulation dilution Hildebrand solubility parameterδ in (cal/cm3 )1/2

23/02/2005

科藤新产品介绍及配方指导

Features of new Kraton G Modifying the EB structure- higher mid-block Tg (-38°C) than SEBS (-55°C) - higher Me ---- G’ modulus, tack, Hot-melt viscosity - lower mid-block solubility parameter (δ= 7.8), increased compatibility with PP (clarity) and APAO

23/02/2005

科藤新产品介绍及配方指导

Kraton G Polymer GradesPolymer Type Polystyrene Mid-block% DMA Tg°C 33 33 20 30 20 30 13 -38 -55 -38 -55 -35 -55 -55 solution visc, cPs 70 at 10% 1 800 at 10% Melt Flow g/10 min 0 0 morphology

MD-6917 G-1651 MD-6924 G-1650 MD-6932 G-1652 G-1657

SEBS SEBS SEBS SEBS SEBS SEBS (SEB)2

powder powder powder powder

1 300 at 25%<1 at 230/5 8 000 at 25%<1 at 230/5

210 at 25% 80 at 230/5 dense pellets 1 800 at 25% 5 at 230/5 powder 4 200 at 25% 8 at 200/5 dense pellets

23/02/2005

科藤新产品介绍及配方指导

Example of DMA curves

1.00E+10 1.00E+09 1.00E+08

G-1652 - 30% PSC MD-6924 - 20% PSC

G ' Pa

1.00E+07 1.00E+06 1.00E+05 1.00E+04 -100

-50

0

50

G-1657 - 13% PSC100

150

200

Temperature°CLeading by Listening

科藤新产品介绍及配方指导

Application Domain in function of the Kraton G concentration

2-15%

20-25%

30-45%

55-80%

hygiene Sealants Oil gels Non-wovens Greases Packaging Road marking paintsLeading by Listening

Tapes Labels

Films

23/02/2005

科藤新产品介绍及配方指导

Compounding, Coating

Compounding– Z- blade mixing at about180°C

Coating– Solvent coating at 22 and 28 g/m2 on PET– Hot-melt coating at 35 g/m2 on PET

23/02/2005

科藤新产品介绍及配方指导

Pressure Sensitive Adhesive (PSA) gels with high molecular weight polymersIngredients Kraton G-1651 Kraton MD-6917 Hydrocarbon resin White oil anti-oxidant HMV 177°C Loop Tack Peel Adhesion Shear 1 kg ss SAFT Mylar 0.5 kg units F-1 12% 55 32.7 0.3 22.1 12 55 32.7 0.3 4.2 10 56 33.7 0.3 0.7 F-2 F-3

Pa.s

N/25 mm 30 28 32 N/25 mm 18 13 18 hours 3 A/C failure 400 A/C failure 76 A failure°C 51 65 60

23/02/2005

科藤新产品介绍及配方指导

Laminating adhesivesIngredients APP (Eastoflex P-102

3) Kraton G-1652 MD-6932 Hydrocarbon Resin Antioxidant Properties T-Peel PET/PP T-Peel PET/HDPE HMV at 160°C APP/SEBS N/25 mm N/25 mm Pa.s 19 4 17 compatible 14 16 8.3 miscible units F-1 60 13% 26 0.6 F-2 60 13 26 0.6

23/02/2005

科藤新产品介绍及配方指导

Laminating adhesives– Viscosity/temperature profilesViscosity/tem perature profiles 100 APP/Kraton G-1652 10 APP/MD-6932

viscosity Pa.s

1 120

140

160

180

200

APP/Kraton G/HCR/A.O.= 60/13/26/0.6%

tem perature°C

23/02/2005

科藤新产品介绍及配方指导

Packaging Adhesives with Ethylene/Octene copolymersIngredients Kraton MD-6932 Kraton G-1652 Kraton G-1657 Metallocene E/O Hydro-Hydrocarbon resin 98°C F-T wax Properties HMV 177°C PAFT (1x1"- 0.1 kg) SAFT (1x1" - 0.5 kg) Fiber Tear on Carton (1/8" HM bead) 1.7°C Pa.s°C 0.8 64 87 50 1.1 63 84 50 1.6 64 87 50 Units F-1 10 10% 20 45 25 10 F-2 F-3

%

23/02/2005

科藤新产品介绍及配方指导

Hot-melt viscosity profiles MD-6932 versus Kraton G-1652Viscosity/tem perature profiles 10

Viscosity Pa.s

Kraton MD-6932 1

Kraton G-1652

0.1 90 100 110 120 polymer/HCR/whi te oi l/AO 15/54/30/1 130 140 150 160

tem perature°C

23/02/2005

科藤新产品介绍及配方指导

PSA Properties of Formulations based on three different KRATON G gradesIngredients -%w Kraton G-1657 Kraton MD-6924 Kraton G-1650 H-C9/PH-C9 H-C9 oil antioxidant Properties RBT LT PA 180° HP ss 2 kg SAFT 0.5 kg HMV 177°C% Polystyrene 13 21 30 F-1 36 32 32 47 16 1 units cm N/25 mm N/25 mm hours°C Pa.s 10 6 12 60 AF 87 34>30 13 18>200 112 30 10 9 13>200 106 80 51 16 1 51 16 1 F-2 F-3

23/02/2005

科藤新产品介绍及配方指导

PSA Properties Comparison between KRATON D and KRATON G formulationsIngredients -%w Kraton D-1160 Kraton MD-6924 C5 H-C9/PH-C9 Oil Anti-oxidant Properties RBT LT PA 180° HP ss 2 kg SAFT 0.5 kg HMV 177°C HMV 180°C HMV 190°C% Polystyrene 19 21 F-1 45 32 49 5 1 units cm N/25 mm N/25 mm hours°C>30 16 19>140 110 73 40>30 13 18>200 112 30 51 16 1 F-2

Pa.s

23/02/2005