Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1992-06-19
1994-12-20
Seccuro, Jr., Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524451, 525 88, 525240, C08K 334, C08L 5300, C08L 2316, C08L 2310
Patent
active
053746775
ABSTRACT:
A thermoplastic polymer composition comprising: (i) 100 parts by weight of a thermoplastic polymer component which comprises an ethylene-propylene rubber, an ethylene copolymer and a propylene polymer (including an ethylene-propylene block copolymer), and (ii) 0 to 7 parts by weight of talc, the thermoplastic polymer component being composed of, according to fractionation using o-dichlorobenzene as a solvent, component (A) which is a component soluble in the solvent at 40.degree. C., component (B) which is a component insoluble in the solvent at 40.degree. C. but soluble at 110.degree. C., and component (C) which is a component insoluble in the solvent even at 110.degree. C. in such a proportion that the total amount of the components (A) and (B) is from 50 to 70 parts by weight, the weight ratio of the component (A) to the component (B) being from 0.5 to 1.5, and the amount of the component (C) is from 50 to 30 parts by weight.
REFERENCES:
patent: 4480065 (1984-10-01), Kawai et al.
patent: 4748206 (1988-05-01), Nogiwa et al.
patent: 4764404 (1988-08-01), Genske et al.
Database WPIL, AN 89-281432, & JP-A-2-204-946, "Thermoplastic Resin Compsn. for Car Bumper--Contains Ethylene]-Propylene] Block Copolyemr, Copolymer Rubber, Olefin] Copolymer and Talc for Good Impact Resistance".
Tafmer A/P--Misui Petro. Chem Ind. LTD--Product Brochure.
Goto Yukitaka
Kawamura Nobuya
Nishio Takeyoshi
Nomura Takao
Sato Hiroki
Mitsubishi Petrochemical Company Limited
Seccuro, Jr. Carman J.
Toyota Jidosha & Kabushiki Kaisha
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