| 摘要 |
<p>A polypropylene resin composition which comprises 60 to 99 parts by weight of a polypropylene resin (A) having a crystalline melting point of 130 °C or higher, 1 to 40 parts by weight of a hydrogenated copolymer (B) of an aromatic vinyl compound and a conjugated diolefin, 0.1 to 20 parts by weight of polybutene (C) having a kinematic viscosity as measured at 37.8 °C in accordance with JIS K2283 of 10 to 2,000,000 cSt, 0.1 to 20 parts by weight of a tackifier (D), and 0 to 5 parts by weight of a tackifier aid (E), the amounts of components (C), (D), and (E) being per 100 parts by weight of the sum of components (A) and (B); a polypropylene resin composition which comprises 95 to 100 parts by weight of component (A), 0 to 5 parts, excluding 5 parts, by weight of component (B), 5 to 20 parts by weight of component (C), 0.1 to 20 parts by weight of component (D), and 0.01 to 1 part by weight of component (E), the amounts of components (C), (D), and (E) being per 100 parts by weight of the sum of component (A) and (B); and a stretched film for packaging which is made of any of these polypropylene resin compositions.</p> |
