公开号/公开日

WO2014046989 A3 2014-07-10 [WO201446989]WO2014046989 A2 2014-03-27 [WO201446989] / 2014-07-102014-03-27

申请号/申请日

2013WO-US59871 / 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

(WO201446989) The present invention comprises an uncrosslinked composition of a styrenic block copolymer and PMS-I/B-PMS (paramethylstyrene-isoprene/butadiene-paramethylestyrene) block copolymer, optionally with one or more antioxidants and a carbon radical scavenger.  The mid-block I/B is a random mixture of isoprene and butadiene.  Further, a process is disclosed for making the uncrosslinked composition.  The present invention also includes an uncrosslinked composition of homo polystyrene, and PMS-I/B-PMS block copolymer, optionally with one or more antioxidants and a carbon radical scavenger.  The present invention also comprises a crosslinked polyolefin-free composition of PMS-I/B-PMS block copolymer, optionally with a styrenic block copolymer and one or more antioxidants, a carbon radical scavenger, and free radical initiator.  The present invention also includes an article incorporating an uncrosslinked composition of a styrenic block copolymer and homo polystyrene, and PMS-I/B-PMS block copolymer, optionally with one or more antioxidants and a carbon radical scavenger.

机翻摘要

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地址

代理人

代理机构

;

优先权号

2012US-13622575 2012-09-19

主权利要求

(WO201446989) 1. An uncrosslinked elastomeric composition, suitable for elastic film or fiber, comprising: a block copolymer containing from about 0 wt.% to about 75 wt.% of at least two end blocks of monovinylarene and at least one block of conjugated diene, and from about 20 wt.% to about 100 wt.% of para methylstyrene-isoprene/butadieneparamethylstyrene of the formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)[n]X coupled block copolymer, where the melt flow rates of the individual S-B-S and PMS-I/B-PMS polymers are about 5 g polymer per 10 minutes, or greater, when measured at 200.deg.C and 5 kg weight according to ASTM D1238; said composition optionally further including: 0. to about 0.5 wt.% primary antioxidant; 0. to about 0.5 wt.% secondary antioxidant; and 0. to about 0.8 wt.%> carbon radical scavenger; wherein the total wt.% of all components is 100. Claim 11. A process for making an uncrosslinked elastomeric film or fiber, comprising: forming a composition by: mixing from about 0 wt.% to about 75 wt.% of block copolymer, having at least two end blocks of monovinyl arene and at least one block of conjugated diene, with from about 20 wt.% to about 100 wt.% of para methylstyrene-isoprene/butadiene-para methylstyrene of the formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)[n]X coupled block copolymer, optionally adding to said mixture 0.01 to 0.4 wt.% antioxidant, 0.01 to 0.4 wt.% secondary antioxidant, and 0.2 to about 0.8 wt.% carbon radical scavenger, wherein the total wt.% of all composition components is 100%, and wherein the melt flow rates of the individual S-B-S and PMS-I/B-PMS polymers are about 5 g polymer per 10 minutes, or greater, when measured at 200.deg.C and 5 kg weight according to ASTM D1238; melting said composition; and extruding said composition into an uncrosslinked film or fiber. Claim 17. An uncrosslinked elastomeric composition, suitable for elastic film or fiber, comprising: a block copolymer containing from about 2 wt.% to about 20 wt.% of homo polystyrene and from about 75 wt.% to about 98 wt.% of para methylstyrene-isoprene/butadieneparamethylstyrene of the formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)[n]X coupled block copolymer, where the melt flow rates of the PMS-I/B-PMS polymers are about 5 g polymer per 10 minutes, or greater, when measured at 200.deg.C and 5 kg weight according to ASTM D1238; said composition optionally further including: 0. 0 to about 0.5 wt.% primary antioxidant; 0. 0 to about 0.5 wt.% secondary antioxidant; and 0. to about 0.8 wt.%> carbon radical scavenger; wherein the total wt.% of all components is 100%. Claim 18. A crosslinked polyole fin- free elastomeric composition, suitable for elastic film or fiber, comprising: a block copolymer containing from about 0 wt.% to about 75 wt.% of at least two end blocks of monovinylarene and at least one block of conjugated diene, and from about 20 wt.% to about 100 wt.% of para methylstyrene-isoprene/butadieneparamethylstyrene of the formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)[n]X coupled block copolymer, where the melt flow rates of the individual S-B-S and PMS-I/B-PMS polymers are about 5 g polymer per 10 minutes, or greater, when measured at 200.deg.C and 5 kg weight according to ASTM D1238; said composition optionally further including: 0. to about 0.5 wt.% primary antioxidant; 0. to about 0.5 wt.% secondary antioxidant; 0. to about 0.8 wt.%> carbon radical scavenger; and 0. to about 5.0 wt % free radical initiator and/or pro-rad additive wherein the total wt.% of all components is 100%, and no component is polyolefm. Claim 21. An article such as elastic film or fiber, comprising: an elastomeric, crosslinked, polyolefm-free article of block copolymer containing from about 0 wt.% to about 75 wt.% of block copolymer having at least two endblock of monovinylarene, and at least one block of conjugated diene, and from about 20 wt.% to about 100 wt.% of para methylstyrene-isoprene/butadieneparamethylstyrene of the formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)[n]X coupled block copolymer, where the melt flow rates of the individual S-B-S and PMS-I/B-PMS polymers are about 5 g polymer per 10 minutes, or greater, when measured at 200.deg.C and 5 kg weight according to ASTM D1238; said composition optionally further including: 0. 0 to about 0.5 wt.% primary antioxidant; 0. 0 to about 0.5 wt.% secondary antioxidant; 0. to about 0.8 wt.% carbon radical scavenger; and 0. to about 5 wt.% free radical initiator and/or pro-rad additive; wherein the total wt.% of all components is 100%, and no component is polyolefm. Claim 22. An uncrosslinked elastomeric article, such as elastic film or fiber, comprising: an elastomeric uncrosslinked article of block copolymer containing from about 2 wt.% to about 20 wt.% of homo polystyrene and from about 75 wt.% to about 98 wt.% of para methylstyrene-isoprene/butadieneparamethylstyrene of the formula PMS-I/B-PMS linear block copolymer or (PMS-I/B)[n]X coupled block copolymer, where the melt flow rates of the PMS-I/B-PMS polymers are about 5 g polymer per 10 minutes, or greater, when measured at 200.deg.C and 5 kg weight according to ASTM D1238; said composition optionally further including: . 0 to about 0.5 wt.% primary antioxidant; . 0 to about 0.5 wt.% secondary antioxidant; and . to about 0.8 wt.% carbon radical scavenger; wherein the total wt.% of all components is 100%.

法律状态

(WO201446989) LEGAL DETAILS FOR WO2014046989  Actual or expected expiration date=2016-03-19    Legal state=DEAD    Status=LAPSED     Event publication date=2013-09-16  Event code=WO/APP  Event indicator=Pos  Event type=Examination events  Application details  Application country=WO WOUS2013059871  Application date=2013-09-16  Standardized application number=2013WO-US59871     Event publication date=2014-03-27  Event code=WO/A2  Event type=Examination events  International application published with declaration under Article 17 (2) (a)  Publication country=WO  Publication number=WO2014046989  Publication stage Code=A2  Publication date=2014-03-27  Standardized publication number=WO201446989     Event publication date=2014-07-10  Event code=WO/A3  Event indicator=Pos  Event type=Examination events  Later publication of ISR with revised front page  Publication country=WO  Publication number=WO2014046989  Publication stage Code=A3  Publication date=2014-07-10  Standardized publication number=WO201446989     Event publication date=2016-03-19  Event code=WO/EETL  Event type=Event indicating Not In Force  PCT Application validity period expired. 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专利类型码

A3A2

国别省市代码

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