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Polystyrene-block-polybutadiene

30 wt.% styrene

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Linear Formula:
[CH2CH(C6H5)]x (CH2CH=CHCH2)y [CH2CH(C6H5)]x
CAS Number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

form

beads

melt index

10 g/10 min (200°C/5.0kg)

contains

phenolic as antioxidant

hardness

61 (Shore A)

viscosity

8.5 poise, 25 wt. % in toluene(25 °C, Brookfield)(lit.)

solubility

solvents with solubility parameters between 7.7 and 9.4: soluble

elongation

ASTM D 412 - 600% (ultimate)

Related Categories

Application

Component of hot melt adhesives, sealants, asphalt and oil gels. Modifier for polymers, thermosets and general rubber compounding. Direct molded or extruded auto parts, sporting goods, footware and film.

Features and Benefits

High strength and low viscosity for easy melt and solution processing. High temperature degradation results in cross-linking. Flexible to -65°C. Excellent electrical insulator. Resists acids and alkali.

Physical form

Thermoplastic elastomer.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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