C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/6585
C08L 23/12 (2006.01) C08K 3/34 (2006.01) C08L 23/08 (2006.01) C08L 23/10 (2006.01) C08L 23/16 (2006.01)
Patent
CA 1295764
A B S T R A C T The invention is concerned with a polyolefin composition comprising: (a) 10-96% by weight of a propylene polymer; (b) 2-30% by weight of an ethylene/.alpha.-olefin copolymer obtained by copolymerizing ethylene with an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst consisting essentially of a solid material and on organoaluminum compound, the solid material containing magnesium and titanium and/or vanadium, and the ethylene/.alpha.-olefin copolymer having the following properties (i)-(iv): (i) Melt index 0.01 - 100 g/10 min (ii) Density 0.860 - 0.910 g/cm3 (iii) Maximum peak temperature as measured according to not lower than a differential scanning 100°C calorimetry (DSC) (iv) Insolubles in boiling not less than 10 n-hexane wt.% (c) 2-60% by weight of a mica, provided the total amount of components (a), (b), and (c) is 100% by weight. The composition according to the invention has a high rigidity and a high impact resistance, and is particularly useful in the fields of automobile industry and electric industry.
528835
Kamiya Takeshi
Yamaoka Noboru
Kamiya Takeshi
Nippon Petrochemicals Co. Ltd.
Swabey Ogilvy Renault
Yamaoka Noboru
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