Blends of polystrene or poly (p-methylstyrene) and p-methylstyre

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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C08L 5302, C08L 2506

Patent

active

043529089

ABSTRACT:
Blends of polystyrene, poly(p-methylstyrene) or copolymers of styrene and p-methylstyrene; and an A-B-A' p-methylstyrene-conjugated diene-styrene block copolymer containing, by weight of the block copolymer, about 5-40% p-methylstyrene, about 5-40% styrene, and about 20-80% conjugated diene, are disclosed.

REFERENCES:
patent: 3629211 (1971-12-01), Nozaki
patent: 3784587 (1974-01-01), Chambers
patent: 4275179 (1981-06-01), Sherman

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