Thermoplastic rubber consisting of a mixture of polypropylene, h

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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Details

525 98, C08L 5302, C08L 5104, C08L 2312

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active

045566917

ABSTRACT:
Synthetic thermoplastic rubber consisting of a mixture containing from 10% to 45% by weight of polypropylene, from 10% to 45% by weight of high-impact polystyrene and from 30% to 80% by weight of elastomeric copolymer of the linear type, of styrene/diene blocks whose diene is either butadiene or isoprene, having at least three polymeric sequences and a content in styrene lower than 50% by weight.

REFERENCES:
patent: 4197377 (1980-04-01), Bohm et al.
patent: 4386187 (1983-05-01), Grancio et al.

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