PROBLEM TO BE SOLVED: To provide a propylene-based resin composition which is excellent in balance of rigidity, impact resistance, and heat resistance and is useful as a material for a molded article.SOLUTION: The propylene-based resin composition contains, based on 100 pts.mass of a resin composition comprising 60-95 mass% of a propylene-based block copolymer (A) and 5-40 mass% of a random copolymer (B) of ethylene and a 3-10C α-olefin (the total of (A) and (B) is 100 mass%), 10-50 pts.mass of an inorganic filler (C) and 0.005-1 pt.mass of a nucleating agent (D) represented by formula (1): R-NHCO-R-CONH-R(where Rrepresents a specific dicarboxylic acid residue, and Rand Reach independently represent a 3-18C unsubstituted cycloalkyl group or the like).SELECTED DRAWING: None
【課題】剛性と耐衝撃性と耐熱性のバランスに優れ、成形体の材料として有用なプロピレン系樹脂組成物を提供する。【解決手段】プロピレン系ブロック共重合体(A)60〜95質量%、およびエチレンと炭素数が3〜10であるα−オレフィンとのランダム共重合体(B)5〜40質量%(ここで、(A)と(B)の合計は100質量%である)からなる樹脂組成物100質量部に対して、無機フィラー(C)10〜50質量部、および下記式(1)で表される造核剤(D)0.005〜1質量部を含有するプロピレン系樹脂組成物。R2−NHCO−R1−CONH−R3(1)(式(1)中、R1は、特定のジカルボン酸残基を示し、R2およびR3は、それぞれ独立して、炭素数3〜18の無置換シクロアルキル基等を示す。)【選択図】なし
PROPYLENE-BASED RESIN COMPOSITION CONTAINING NUCLEATING AGENT AND INORGANIC FILLER, AND MOLDED ARTICLE
造核剤および無機フィラーを含有するプロピレン系樹脂組成物、並びに成形体
2017-03-23
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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