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EP0969042A1 Thermoplastic elastomer based on olefin and process for producing the same 有权
热塑性弹性体弹性体烯烃聚合物和Verfahren zu ihrer Herstellung

Thermoplastic elastomer based on olefin and process for producing the same
摘要：
A thermoplastic elastomer based on olefin which can be produced simply by melt-kneading 5 - 60 % by weight of a polyethylene resin (A) together with 40 - 95 % by weight of an ethylene/α -olefin copolymer (B) with optional subsidiary component(s) before the kneaded mass is molded into a formed product, the said elastomer being capable of recycling for reclamation and exhibiting the following characteristics ① to ③ , namnely,

① 9 ≦ Y - 0.43 X ≦ 27 in which X denotes the JIS A-hardness value (a dimensionless value) of the thermoplastic elastomer based on olefin determined according to the prescription of JIS K 6301 and Y represents the permanent compressive strain value (expressed by %) of the thermoplastic elastomer based on olefin determined according to the prescription of JIS K 6301 under a condition of 70 °C × 22 hours,
② a tensile strength in the raqnge from 5 to 30 MPa and
③ a permanent elongation of 18 % or less determined according to the prescription of JIS K 6301,
摘要（中）：

一种基于烯烃的热塑性弹性体，其可以简单地通过将5-60重量％的聚乙烯树脂（A）与40-95重量％的乙烯/α-烯烃共聚物（B）与任选的附属物 在将捏合的物料模制成成形品之前的组分，所述弹性体能够回收再循环，并且具有以下特征1＆cir〜3＆cir＆，nnnene，1＆cir＆其中X表示JIS A- 基于按照JIS K 6301的方法确定的基于烯烃的热塑性弹性体的硬度值（无量纲值）和Y表示根据JIS规定的基于烯烃测定的基于烯烃的热塑性弹性体的永久压缩应变值（以％表示） K 6301在70℃×22小时的条件下，2℃和拉伸强度为5〜30MPa，永久伸长率为18％以下，根据处方 JIS K 6301，

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