POLYOLEFIN-BASED RESIN COMPOSITION AND MOLDING USING THE SAME

To provide a polyolefin-based resin composition which is hardly affected by NOx gas and a molding using the same.SOLUTION: A polyolefin-based resin composition contains (A) a polyolefin-based resin, (B) a hindered amine compound having a nitrogen content of less than 4.0 mass% and a molecular weight...

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Hauptverfasser: MITSUHASHI YUJI, SATO AKITOMO, AYABE TAKASHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a polyolefin-based resin composition which is hardly affected by NOx gas and a molding using the same.SOLUTION: A polyolefin-based resin composition contains (A) a polyolefin-based resin, (B) a hindered amine compound having a nitrogen content of less than 4.0 mass% and a molecular weight of 500 or less, (C) a phenolic antioxidant, and (E) an ultraviolet absorber (excluding benzoate compound), in which the component (B) is represented by the following formula (1) (in formula (1), R1 represents a methyl group and R2 represents an alkyl group having a straight chain or a branch and 1 to 22 carbon atoms), a content of the component (B) to 100 pts.mass of the component (A) is 0.001-5 pts.mass, a content of the component (C) to 100 pts.mass of the component (A) is 0.001-5 pts.mass, and a content of the component (E) to 100 pts.mass of the component (A) is 0.15-5 pts.mass.SELECTED DRAWING: None 【課題】NOxガスによる影響を受けにくいポリオレフィン系樹脂組成物およびこれを用いた成形品を提供する。【解決手段】(A)ポリオレフィン系樹脂と、(B)窒素含有率が4.0質量%未満であり、かつ、分子量が500以下であるヒンダードアミン化合物と、(C)フェノール系酸化防止剤と、(E)紫外線吸収剤(ただし、ベンゾエート化合物を除く)と、を含有し、(B)成分が下記式(1)、(式(1)中、R1は、メチル基を表し、R2は、直鎖または分岐を有する炭素原子数1〜22のアルキル基を表す。)で表され、(A)成分100質量部に対する(B)成分の含有量が0.001〜5質量部であり、(A)成分100質量部に対する(C)成分の含有量が0.001〜5質量部であり、(A)成分100質量部に対する(E)成分の含有量が0.15〜5質量部であるポリオレフィン系樹脂組成物である。【選択図】なし