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Polystyrene-block-polyisoprene-block-polystyrene

styrene 22 wt. %

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Synonym(s):
Polystyrene-block-polyisoprene, multi-arm
Linear Formula:
[CH2CH(C6H5)]X[CH2CH=C(CH3)CH2]Y[CH2CH(C6H5)]z
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

melt index

3 g/10 min (200°C/5.0kg)

Quality Level

contains

phenolic as antioxidant

composition

styrene, 22 wt. %

hardness

52 (Shore A)

viscosity

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

solubility

solvents with solubility parameters between 7.7 and 9.4: soluble

density

0.93 g/mL at 25 °C

elongation

ASTM D 412 - 1,200% (ultimate)

SMILES string

CC(=C)C=C.C=Cc1ccccc1

InChI

1S/C8H8.C5H8/c1-2-8-6-4-3-5-7-8;1-4-5(2)3/h2-7H,1H2;4H,1-2H2,3H3

InChI key

ROGIWVXWXZRRMZ-UHFFFAOYSA-N

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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 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Nanjia Zhou et al.
Science advances, 5(5), eaav8141-eaav8141 (2019-06-07)
One-dimensional (1D) nanomaterials with highly anisotropic optoelectronic properties are key components in energy harvesting, flexible electronics, and biomedical imaging devices. 3D patterning methods that precisely assemble nanowires with locally controlled composition and orientation would enable new optoelectronic device designs. As
Sneha B Chakrapani et al.
The Analyst, 144(5), 1679-1686 (2019-01-19)
The accurate characterization of relative composition in multicomponent polymer systems such as statistical copolymers, block copolymers, and polymer blends is critical to understanding and predicting their behavior. Typically, polymer compositional analysis is performed using 1H Nuclear Magnetic Resonance (NMR) Spectroscopy

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