432407

Polystyrene-block-polyisoprene-block-polystyrene

styrene 17 wt. %

• Sinónimos: Polystyrene-block-polyisoprene, multi-arm
• Fórmula lineal: [CH₂CH(C₆H₅)]_X[CH₂CH=C(CH₃)CH₂]_Y[CH₂CH(C₆H₅)]_z
• Número de CAS: 25038-32-8
• MDL number: MFCD00217755
• UNSPSC Code: 12162002
• PubChem Substance ID: 24867086
• NACRES: NA.23

Propiedades

• form: beads
• 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

Descripción

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.

Información de seguridad

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable