发明名称 |
POLYOLEFIN THERMOPLASTIC SILICONE ELASTOMERS EMPLOYING RADICAL CURE |
摘要 |
Polyolefin thermoplastic elastomers are disclosed which are prepared by; (I) mixing (A) a thermoplastic resin comprising more than 50 percent by volume of a polyolefin resin, said thermoplastic resin having a softening point of 23 DEG C to 300 DEG C; (B) a silicone base comprising (B') 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having and average of at least 2 alkenyl groups per molecule, and optionally, (B") up to 200 parts by weight of a reinforcing filler, the weight ratio of said silicone base to said polyolefin thermoplastic resin is from 35:65 to 85:15; (C) a radical initiator, present in an amount sufficient to sure said diorganopolysiloxane gum (B'); and (II) dynamically vulconizing said diorganopolysiloxane gum, wherein at lest one property of the thermoplastic elastomer selected from tensile strenght or elongation is at least 25%greater thatn the respective property for a correspoinding simple blend wherein said diorganopolysiloxane gu is not cured and said thermoplastic elastomer has an elongation of at least 25%. |
申请公布号 |
WO02088247(A2) |
申请公布日期 |
2002.11.07 |
申请号 |
WO2002US09633 |
申请日期 |
2002.03.27 |
申请人 |
DOW CORNING CORPORATION;CHORVATH, IGOR;GRAY, DEAN;LEE, MICHAEL, K.;TANGNEY, THOMAS |
发明人 |
CHORVATH, IGOR;GRAY, DEAN;LEE, MICHAEL, K.;TANGNEY, THOMAS |
分类号 |
C08L23/04;C08L53/02;C08L83/04;C08L83/07 |
主分类号 |
C08L23/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|