C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 53/00 (2006.01) C08K 3/34 (2006.01) C08K 5/00 (2006.01) C08K 5/17 (2006.01) C08K 13/02 (2006.01)
Patent
CA 2198185
ABSTRACT A thermoplastic resin composition improved in terms of prevention of mold contamination, comprising the following components (A) to (G): component (A): 55 to 75% by weight of a propylene- ethylene block copolymer including a propylene homopolymer moiety having a melt flow rate of 15 to 50 g/10 min. and an isotactic pentad fraction of at least 0.97, said block copolymer having a melt flow rate of 10 to 30 g/10 min. and an ethylene content of 2 to 6% by weight, component (B): 0 to 10% by weight of an ethylene- propylene copolymer rubber having a melting temperature of 30 to 60°C and a melt flow rate of 0.2 to 2 g/10 min., component (C): 5 to 15% by weight of an ethylene-.alpha.- olefin copolymer rubber having a melting temperature of 60 to 100°C and a melt flow rate of 0.3 to 2 g/10 min., component (D): 15 to 25% by weight of a talc having an average particle diameter of up to 5 µm and a specific surface area of at least 3.5 m2/g, the total amount of components (A) to (D) being 100% by weight, component (E): 0.05 to 2 parts by weight of a hindered amine having a structure represented by the following formula (I): Image component (F): 0.01 to 1 part by weight of a triaryl phosphite, and component (G): 0.05 to 4 parts by weight of a metal salt represented by the following general formula (VIII): (RCOO)2X (VIII) wherein R is a monovalent hydrocarbon group having a molecular weight of 290 to 500, and X is zinc, magnesium or calcium, the respective amounts of components (E) to (G) being based on 100 parts by weight of the sum of components (A) to (D).
Nagai Takayuki
Niimi Toshio
Sato Hiroki
Tsutsumi Ikuo
Zanka Yukihito
Japan Polychem Corporation
Macrae & Co.
Toyota Jidosha Kabushiki Kaisha
LandOfFree
Thermoplastic resin composition improved in terms of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Thermoplastic resin composition improved in terms of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermoplastic resin composition improved in terms of... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1744778