Blends of a semi-crystalline polymer and elastic .alpha.-olefin/

Details Blends of a semi-crystalline polymer and elastic .alpha.-olefin/ Blends of a semi-crystalline polymer and elastic .alpha.-olefin/

1996-11-04

1998-03-03

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, 525387, 526281, 526308, 522160, C08L 4500

Patent

active

057235457

ABSTRACT:
Blends of semi-crystalline polymers with rubbery thermoplastic copolymers are provided. The rubbery thermoplastic copolymers are elastic at temperatures above their Tg's and properties similar to thermoplastic elastomers and surface tensions 5 dynes/cm or more different, preferably greater than the surface tension of the semi-crystalline polymer. Improved properties include good elastic recovery, toughness, and high elasticity without significant loss in optical properties.

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patent: 5008356 (1991-04-01), Ishimaru et al.
patent: 5087677 (1992-02-01), Brekner et al.
patent: 5292811 (1994-03-01), Murata et al.

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