Thermosplastic vulcanizates from blends of a polypropylene and e

Details Thermosplastic vulcanizates from blends of a polypropylene and e Thermosplastic vulcanizates from blends of a polypropylene and e

1998-04-20

2000-09-19

Teskin, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525210, 525211, 525216, 525240, C08L 1900, C08L 4500

Patent

active

061213837

ABSTRACT:
Thermoplastic vulcanizate blends are prepared from a semi-crystalline polymer and a rubbery copolymer derived from copolymerizing at least one alpha-olefin monomer and at least one cyclic olefin copolymer. The rubbery copolymer also includes repeat units from at least one polyene monomer. The polyene monomer provides residual unsaturation for crosslinking of said rubbery copolymer. Crosslinking the rubbery copolymer of the blend generally reduces tension set, compression set and oil swell in aliphatic solvents. The cyclic olefin monomer reduces oil swell in aliphatic oils.

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European Chemical News, Apr. 4, 1994, p. 27.

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