Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1986-11-07
1988-05-31
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...
525240, 524505, 524528, C08L 2318, C08L 2312, C08L 2316, C08L 5300
Patent
active
047482060
ABSTRACT:
A polyolefin composition and the same especially used for producing vehicle exterior members which is excellent in softness, impact resistance, moldability, appearance, restorable property and so forth. The composition comprises 20 to 70% by weight of a crystalline propylene polymer (a); 10 to 50% by weight of a substantially amorphous .alpha.-olefin copolymer (b); 5 to 50% by weight of an ethylene-.alpha.-olefin copolymer (c) which is 0.860 to 0.910 g/cm.sup.3 in density, 10% by weight or more in boiling n-hexane insoluble matter and 100.degree. C. or higher in the maximum peak temperature T.sub.m according to the differential scanning calorimetry (DSC); and 5 to 30% by weight of an ethylene polymer (d) of 0.910 to 0.965 g/cm.sup.3 in density, wherein the total of said components (a), (b), (c) and (d) is 100% by weight.
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Abe Masaru
Akai Sachio
Furuhashi Hiroshi
Kawai Yoichi
Nogiwa Motomi
Nippon Petrochemicals Company Limited
Seccuro Carman J.
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