Thermoplastic elastomer composition

Details Thermoplastic elastomer composition Thermoplastic elastomer composition

1986-04-02

1988-02-02

Seccuro, Carman J.

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

Synthetic resins

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

525211, 525193, 525194, C08L 2316, C08L 2318

Patent

active

047229730

ABSTRACT:
This invention provides a thermoplastic elastomer composition obtained by blending (A) a hard segment comprising a low-density ethylene-.alpha.-olefin copolymer formed by copolymerizing ethylene with an .alpha.-olefin by the use of a specific catalyst and characterized by specifically defined properties and (B) a soft segment comprising an ethylene-.alpha.-olefin copolymer rubber, or obtained by partial cross-linking of the resulting blend.
This elastomer composition has characteristic features such as high flexibility, good fluidity, excellent tensile properties, good thermal resistance and oil resistance and low permanent strain.

REFERENCES:
patent: 3806558 (1974-04-01), Fischer
patent: 4426498 (1984-01-01), Inoue et al.
patent: 4429079 (1984-01-01), Shibata et al.
patent: 4576993 (1986-03-01), Tamplin et al.

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