| 摘要 |
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) Äthe total amount of (A), (B) and (C) being 100 parts by weightÜ 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 DEG C, of the value before the aging; and relates to a manufacturing method thereof. |
