Some features of the structure of block copolymers of dienes with styrene
✍ Scribed by Yu.F. Shutilin
- Book ID
- 118965693
- Publisher
- Elsevier Science
- Year
- 1977
- Weight
- 300 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0032-3950
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Structures of copolymers of styrene and divinylbenzene (50% crosslinking degree) prepared in suspension polymerization in the presence of mixtures of nonsol (heptane or decane) and sol (toluene or tetralin) diluents were investigated. The studies showed that the diluents enriched with nonsol solvent
## Abstract **Summary:** Polystyrene (PS) was toughened with ethylene‐propylene‐diene terpolymer (EPDM) in the presence of styrene‐butadiene‐styrene block copolymer (SBS). Incorporation of SBS into the PS/EPDM blends clearly improved the impact properties. For PS/EPDM/SBS (mass ratio: 69/21/10) ble