THERMOPLASTIC ELASTOMER COMPOSITION WITH HIGH RESISTANCE TO THERMAL DETERIORATION
申请人:Mitsui Chemicals, Inc.
公开号:EP1211285A1
公开(公告)日:2002-06-05
This invention relates to a thermoplastic elastomer composition which includes and comprises 10 to 60 parts by weight of a polyolefin (A), 30 to 87 parts by weight of a crosslinked rubber (B), 3 to 50 parts by weight of a softening agent (C) [the total amount of (A), (B) and (C) being 100 parts by weight] and 0.02 to 0.3 part by weight of a phenolic heat stabilizer (D) and which retains an elongation value at break by 80% or more, after aging for 500 hours in an air oven of 130 °C, of the value before the aging; and relates to a manufacturing method thereof.
本发明涉及一种热塑性弹性体组合物,它包括按重量计 10 至 60 份的聚烯烃 (A)、按重量计 30 至 87 份的交联橡胶 (B)、按重量计 3 至 50 份的软化剂 (C) [按重量计 (A)、(B) 和 (C) 的总量为 100 份] 和按重量计 0.02 至 0.3 份的酚醛热稳定剂 (D)。按重量计,酚醛热稳定剂(D)的份数为 0.02 至 0.3 份,在 130℃的空气烘箱中老化 500 小时后,断裂伸长值保持老化前值的 80%或以上;并涉及其制造方法。