| 摘要 |
PROBLEM TO BE SOLVED: To obtain a thermoplastic elastomer excellent in contour extrusion moldability, luster, flaw-resistance properties and compatibility with olefin-based materials, and advantageous to recycling, by compounding a crystalline chlorinated polyethylene and an ethylene/α-olefin copolymer. SOLUTION: This thermoplastic elastomer contains (A) a crystalline chlorinated polyethylene in an amount of 100 pts.wt. and (B) an ethylene/α-olefin copolymer, which is obtained by copolymerization using a metalocene catalyst, in an amount of 10-1000 pts.wt., and further, preferably, (C) a crystalline polyolefin resin (preferably, crystalline polypropylene resin) in an amount of 10-1000 pts.wt. The elastomer preferably contains a softening agent, a silicone oil having a dynamic viscosity of 1-100,000 cSt, and a higher fatty acid amide in amounts of 1-200 pts.wt., 0.01-10 pts.wt., and 0.01-10 pts.wt. per 100 pts.wt. of the total amount of the components A and B, respectively. The component A preferably comprises a post-chlorinated polyethylene having a weight-average molecular weight of 100,000-750,000. |
