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Polystyrene-block-polyisoprene-block-polystyrene

Name: Polystyrene-<I>block</I>-polyisoprene-<I>block</I>-polystyrene
Brand: ALDRICH

styrene 17 wt. %

Synonym(s):

Polystyrene-block-polyisoprene, multi-arm

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About This Item

Linear Formula:

[CH₂CH(C₆H₅)]_X[CH₂CH=C(CH₃)CH₂]_Y[CH₂CH(C₆H₅)]_z

CAS Number:

25038-32-8

MDL number:

MFCD00217755

UNSPSC Code:

12162002

PubChem Substance ID:

24867086

NACRES:

NA.23

form

beads

Quality Level

100

melt index

106 g/10 min (200°C/5.0kg)

mol wt

M_n 1,900

contains

phenolic as antioxidant

composition

styrene, 17 wt. %

hardness

32 (Shore A)

viscosity

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

solubility

solvents with solubility parameters between 7.7 and 9.4: soluble

density

0.92 g/mL at 25 °C

elongation

ASTM D 412 - 1,300% (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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Related Categories

Biomedical Polymers

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.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Stretchable Optomechanical Fiber Sensors for Pressure Determination in Compressive Medical Textiles.

Joseph D Sandt et al.

Advanced healthcare materials, 7(15), e1800293-e1800293 (2018-05-29)

Medical textiles are widely used to exert pressure on human tissues during treatment of post-surgical hematoma, burn-related wounds, chronic venous ulceration, and other maladies. However, the inability to dynamically sense and adjust the applied pressure often leads to suboptimal pressure

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