C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 53/00 (2006.01) C08L 23/10 (2006.01) C08L 23/16 (2006.01)
Patent
CA 2118376
ABSTRACT OF THE DISCLOSURE 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 °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.
Harada Hiroyuki
Ikezawa Yuji
Kanzaki Susumu
Shinonaga Hideo
Sogabe Satoru
Fetherstonhaugh & Co.
Sumitomo Chemical Company Limited
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