Polyolefin resin composition, their moldings and molding...

Details Polyolefin resin composition, their moldings and molding... Polyolefin resin composition, their moldings and molding...

C - Chemistry, Metallurgy

08

K

C08K 5/3435 (2006.01) B29C 45/73 (2006.01) C08K 5/00 (2006.01) C08K 5/098 (2006.01) C08K 5/17 (2006.01) C08K 5/20 (2006.01) C08L 53/00 (2006.01)

Patent

CA 2301310

A polyolefin resin composition which comprises a polyolefin resin, a light stabilizer having tertiary amino group, and a fatty acid metal salt. Even if this composition is injected repeatedly into a mold whose inside surface has a grain pattern, stable continuous production may be possible without any white powdery matter being deposited on the mold surface . Since injection-moldings having a surface grain pattern show excellent weather resistance and have a matted appearance having the gloss value (60°) of 1 to 3.5, they are suitable for use as automotive trim parts. As the light stabilizer, a hindered amine-based light stabilizer all the hydrogen atoms of the amino group of which have been substituted by the alkyl groups or acetyl groups is preferable, particularly bis(N-methyl-2,2,6,6-tetramethyl-4-piperidinyl) sebacate is more preferable.

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