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
1994-10-18
1996-09-17
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...
524505, 525 71, 525 79, 525 88, C08K 300, C08L 5300
Patent
active
055569102
ABSTRACT:
A polypropylene resin composition, which exhibits an excellent coating adherence, high rigidity, high impact strength at low temperatures, prominent heat resistance and excellent appearance of moldings as required for coatings on the exterior parts of automobiles even without effecting a treatment with trichloroethane as pretreatment step before coating and without a primer as undercoating and which can be baked at a temperature of 130.degree. C. or higher, comprises 15 to 92% by weight crystalline ethylene propylene block copolymer, 5 to 40% by weight ethylene propylene copolymer rubber, 1 to 15% by weight polypropylene oligomer containing hydroxyl group, and 2 to 30% by weight inorganic filler.
REFERENCES:
patent: 4735988 (1988-04-01), Takada et al.
patent: 4946898 (1990-08-01), Kasahara et al.
patent: 5081190 (1992-01-01), Asanuma et al.
patent: 5262487 (1993-11-01), Fujita et al.
Derwent Abstract of JP-A-63 128 045.
Harada Hiroyuki
Ikezawa Yuji
Kanzaki Susumu
Shinonaga Hideo
Sogabe Satoru
Seccuro, Jr. Carman J.
Sumitomo Chemical Company Limited.
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