PROPYLENE RESIN COMPOSITION AND INJECTION MOLDED ARTICLE

• Main Authors: SANADA TOSHIHARU, MARUYAMA TOSHIYA, FUKURODA HIROSHI
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2018
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention discloses a propylene resin composition and an injection molded article. The propylene resin composition includes: a propylene homopolymer (A); a heterophasic propylene polymer material(B) consisting of a propylene-based polymer (I) containing 80% by mass or more of a monomer unit derived from propylene, and a propylene copolymer (II) containing 40% by mass or more and 80% by mass or less of a monomer unit derived from ethylene and the like, and containing a monomer unit derived from propylene; and an ethylene-alpha-olefin copolymer (C), wherein a molecular weight distribution of a crystalline polypropylene component is 6.0 or more, and contents of the component (A), the component (B) and the component (C) are 10 to 55 parts by mass, 10 to 55 parts by mass, and 10 to 40 parts by mass, respectively, with respect to 100 parts by mass in total of the component (A), the component (B) and the component (C). 本发明公开了丙烯树脂组合物和注射成型制品。所述丙烯树脂组合物包含：丙烯均聚物(A)；多相丙烯聚合物材料(B)，其由含有80质量％以上的衍生自丙烯的单体单元的丙烯系聚合物(I)和含有40质量