Polyolefin composition

Abstract

Abstract PURPOSE:To provide a compsn. having excellent rigidity, low- temperature impact resistance, coatability and dimensional stability and suitable for bumper, by blending a crystalline olefin, an ethylene/alpha-olefin copolymer rubber, a filler and an unsaturated carboxylic acid-modified polyolefin. CONSTITUTION:7-87wt% crystalline polyolefin (i) such as a crystalline ethylene/propylene block or random copolymer, 5-50wt% ethylene/alpha-olefin copolymer rubber (ii) such as an ethylene/propylene copolymer rubber, 5-40wt% filler (iii) selected from among talc, mica, fiber and crystalline calcium silicate, and 3-50wt% modified polyolefin (iv) obtd. by modifying part or the whole of components (i) and /or (ii) with an unsaturated carboxylic acid (derivative), are kneaded together to obtain the titled compsn.

Inventors

• 👤 Noboru Yamamoto
• 👤 登 山本
• 👤 Keiichi Morikubo
• 👤 森久保　敬一
• 👤 Masato Komatsu
• 👤 小松　正人
• 👤 Kazuo Sei
• 👤 清　一夫

Bibliographic Details