对​甲基​苯乙烯​嵌​段​共聚物​及其​用途

源语言标题
(CN104619731) 对​甲基​苯乙烯​嵌​段​共聚物​及其​用途
公开号/公开日
CN104619731 A 2015-05-13 [CN104619731] / 2015-05-13
申请号/申请日
2013CN-80047676 / 2013-09-16
发明人
WRIGHT KATHRYN;
申请人
KRATON POLYMERS;
主分类号
IPC分类号
C08F-012/08C08F-112/08
摘要
(CN104619731) 本​发明​包括​苯乙烯​类​嵌​段​共聚物​和​PMS-I/B-PMS(对​甲基​苯乙烯-异戊二烯/丁二烯-对​甲基​苯乙烯)嵌​段​共聚物,任选​地​与​一种​或​多种​抗氧化剂​和​碳​自由基清除剂​的​未交​联组​合物。中间​嵌​段​I/B​是​异戊二烯​和​丁二烯​的​无规​混合物。进一步​地,公开​了​制造​未交​联组​合物​的​方法。本​发明​还包括​均​聚苯乙烯​和​PMS-I/B-PMS​嵌​段​共聚物,任选​地​与​一种​或​多种​抗氧化剂​和​碳​自由基清除剂​的​未交​联组​合物。本​发明​还包括​PMS-I/B-PMS​嵌​段​共聚物,任选​地​与​苯乙烯​类​嵌​段​共聚物​和​一种​或​多种​抗氧化剂,碳​自由基清除剂,和​自由基​引发​剂​的​交​联​无​聚烯烃​组合​物。本​发明​还包括​一种​制品,它​引入​了​苯乙烯​类​嵌​段​共聚物​和​均​聚苯乙烯,和​PMS-I/B-PMS​嵌​段​共聚物,任选​地​与​一种​或​多种​抗氧化剂​和​碳​自由基清除剂​的​未交​联组​合物。
地址
代理人
代理机构
;
优先权号
2012US-13622575 2012-09-19 2013WO-US59871 2013-09-16
主权利要求
(CN104619731) 1. Non-cross linked films or fibers in a suitable elastomeric composition, comprising: Containing about 0 wt %-about 75 wt % monovinyl aromatic hydrocarbon at least two conjugated diene end blocks and at least one block of the block copolymer, and About 20 wt %-about 100 wt % p-methyl styrene-isoprene/butadiene-paramethylstyrene formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)nX coupled block copolymer, wherein when the ASTM D1238, when measured at 200 Ć in 5 kg by weight or, separate S-B-S and the PMS-I/B-PMS polymer has a melt flow rate greater than or equal to about 5g for polymer/10; The composition optionally further comprising: 0-about 0.5 wt % primary antioxidant; 0-about 0.5 wt % secondary antioxidants; and 0-about 0.8 wt % carbon free radical scavenger; Wherein all wt % of the total 100.  11. Producing films or fibers cross the method, the method comprises: A composition formed by the steps of: Mixing about 0 wt %-about 75 wt % with at least two end blocks of monovinylaromatic hydrocarbon and at least one conjugated diene block of the block copolymer and about 20 wt %-about 100 wt % p-methyl styrene-isoprene/butadiene-paramethylstyrene formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)nX coupled block copolymer, Optionally adding 0.01-0.4 wt % antioxidants, secondary antioxidants 0.01-0.4 wt %, and the 0.2-carbon radical scavenging therapeutic agent to the mixture to about 0.8 wt %, Wherein all wt % to 100% the total composition, and wherein when the ASTM D1238, when measured in 200 Ć and a 5 kg weight, separate S-B-S and the PMS-I/B-PMS polymer has a melt flow rate greater than or equal to about 5g/10 for the polymer; Melt composition; and Cross-linked film or fiber to form the extruded composition.  17. Non-cross linked films or fibers in a suitable elastomeric composition, comprising: Containing about 2 wt %-about 20 wt % of the block copolymer and the polystyrene are About 75 wt %-about 98 wt % p-methyl styrene-isoprene/butadiene-paramethylstyrene formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)nX coupled block copolymer, wherein when the ASTM D1238, 200 Ć in 5 kg and the weight measurement, PMS-I/B-PMS polymer has a melt flow rate greater than or equal to about 5g/10 for the polymer; The composition optionally further comprising: 0.0-about 0.5 wt % primary antioxidant; 0.0-about 0.5 wt % secondary antioxidants; and 0-about 0.8 wt % carbon free radical scavenger; Wherein the total wt % of all components is 100%.  18. An elastic film or fiber is suitable for crosslinking the polyolefin elastomeric composition, comprising: Containing about 0 wt %-about 75 wt % monovinyl aromatic hydrocarbon at least two conjugated diene end blocks and at least one block of the block copolymer, and About 20 wt %-about 100 wt % p-methyl styrene-isoprene/butadiene-paramethylstyrene formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)nX coupled block copolymer, wherein when the ASTM D1238, 200 Ć in 5 kg and the weight measurement, the individual S-B-S and the PMS-I/B-PMS polymer has a melt flow rate greater than or equal to about 5g for polymer/10; The composition optionally further comprising: 0-about 0.5 wt % primary antioxidant; 0-about 0.5 wt % secondary antioxidants; 0-carbon radical scavenger is about 0.8 wt %; and 0-about 5.0 wt % free radical initiator and/or promoting radiological (pro-rad) additives, Wherein all the total wt % of 100%, and no component is a polyolefin.  21. Articles such as films or fibers, comprising: Elastomeric block copolymers, cross-linked, free polyolefin articles, which contains about 0 wt %-about 75 wt % with at least two end blocks of monovinylaromatic hydrocarbon and at least one conjugated diene block of the block copolymer, and About 20 wt %-about 100 wt % p-methyl styrene-isoprene/butadiene-paramethylstyrene formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)nX coupled block copolymer, wherein when the ASTM D1238, when measured in 200 Ć and a 5 kg weight, separate S-B-S and the PMS-I/B-PMS polymer has a melt flow rate greater than or equal to about 5g for polymer/10; The composition optionally further comprises: 0.0-about 0.5 wt % primary antioxidant; 0.0-about 0.5 wt % secondary antioxidants; 0-carbon radical scavenger is about 0.8 wt %; and 0-radical initiator and/or promoting radiation additives to about 5 wt %, Wherein all the total wt % of 100%, and no component is a polyolefin.  22. Films or fibers such as a non-cross linked elastomeric article, comprising: An elastic block copolymer cross-linked product, the block copolymer contains about 2 wt %-about 20 wt % homopolystyrene, and About 75 wt %-about 98 wt % p-methyl styrene-isoprene/butadiene-paramethylstyrene formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)nX coupled block copolymer, wherein when the ASTM D1238, 200 Ć in 5 kg and the weight measurement, PMS-I/B-PMS polymer has a melt flow rate greater than or equal to about 5g/10 for the polymer; The composition optionally further comprises: 0.0-about 0.5 wt % primary antioxidant; 0.0-about 0.5 wt % secondary antioxidants; and 0-about 0.8 wt % carbon free radical scavenger; Wherein the total wt % of all components is 100%.
法律状态
(CN104619731) LEGAL DETAILS FOR CN104619731  Actual or expected expiration date=2033-09-16    Legal state=ALIVE    Status=PENDING     Event publication date=2013-09-16  Event code=CN/APP  Event indicator=Pos  Event type=Examination events  Application details  Application country=CN CN201380047676  Application date=2013-09-16  Standardized application number=2013CN-80047676     Event publication date=2015-05-13  Event code=CN/A  Event type=Examination events  Published application  Publication country=CN  Publication number=CN104619731  Publication stage Code=A  Publication date=2015-05-13  Standardized publication number=CN104619731     Event publication date=2015-05-13  Event code=CN/C06  Event indicator=Pos  Event type=Examination events  Publication    Event publication date=2015-06-10  Event code=CN/C10  Event type=Examination events  Request of examination as to substance
专利类型码
A
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