Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-12-11
1997-01-28
Dean, Ralph H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525926, 525100, 525101, 525103, 525105, 525106, 524504, 524505, 524506, 523435, 523436, 523437, 523438, C08L 2100, C08L 2316, C08L 2322
Patent
active
055978673
ABSTRACT:
This invention provides a novel thermoplastic elastomer composition which is rich in flexibility and excellent in rubber elasticity over a broad temperature range, high-temperature creep characteristics, low-temperature impact resistance, mechanical strength and moldability, and have good oil resistance, good light discoloration resistance and extremely excellent toning properties in spite of thermoplastic elastomer and which is characterized by being obtained by dynamically heat-treating a mixture of (a) 100 parts by weight of a carbon-to-carbon double bond-containing rubber, (b) 5 to 300 parts by weight of a thermoplastic resin, (c) 0.5 to 30 parts by weight of an organosiloxane crosslinking agent having at least two SiH groups in the molecule, (d) 0.001 to 20 parts by weight of a hydrosilylating catalyst, (e) 0.5 to 20 parts by weight of a compatibilizing agent and, if necessary, (f) 30 to 300 parts by weight of a paraffinic oil. The present thermoplastic elastomer composition can be used as a material for various molded products.
REFERENCES:
patent: 4107130 (1978-08-01), Gerge et al.
patent: 4594390 (1986-06-01), Abdou-Sabet et al.
patent: 4803244 (1989-02-01), Umpleby
patent: 5420201 (1995-05-01), Abe et al.
patent: 5484824 (1996-01-01), Abe et al.
Miyake Sumiya
Tsujimoto Motoyoshi
Dean Ralph H.
Sumitomo Bakelite Company Limited
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