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公开(公告)号：EP4393987A1
公开(公告)日：2024-07-03
申请号：EP23220406.5
申请日：2023-12-27
发明人： KAO, Jun-Qi
CPC分类号： C08J11/28 , C08J11/24 , C08J2375/1620130101 , C08K7/02 , C08G18/672 , C08G18/246 , C08G18/4825 , C08G18/7664 , C08G18/4833 , C08F290/14 , C08J5/04
摘要： A method for degrading a polyurethane acrylic resin material includes steps as follows. The polyurethane acrylic resin material is provided, wherein the polyurethane acrylic resin material is obtained by curing a polyurethane acrylic resin. A degradation solution is provided, wherein the degradation solution at least includes a degradation compound, and the degradation compound at least includes a reactive NH or NH2 group and a reactive OH group. A mixing step is performed, wherein the polyurethane acrylic resin material is mixed with the degradation solution to form a degradation mixture. A heating step is performed, wherein the degradation mixture is heated to a degradation temperature and maintained a degradation time to degrade the polyurethane acrylic resin material.
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公开(公告)号：EP4255948A1
公开(公告)日：2023-10-11
申请号：EP21901521.1
申请日：2021-12-03
发明人： XI, Kai , MACKEY, Paul , WU, Lifeng , SINGH, Sachchida
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公开(公告)号：EP3507318B1
公开(公告)日：2022-11-09
申请号：EP17895238.8
申请日：2017-01-31
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公开(公告)号：EP3849701A1
公开(公告)日：2021-07-21
申请号：EP19859117.4
申请日：2019-08-21
发明人： CAI, Yangjun , WU, Lifeng , SINGH, Sachchida , LIU, Yun-Shan
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5.发明授权
公开(公告)号：EP2678391B1
公开(公告)日：2019-07-31
申请号：EP12750165.8
申请日：2012-02-21
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公开(公告)号：EP2682430B2
公开(公告)日：2019-07-17
申请号：EP12752802.4
申请日：2012-03-02
发明人： JANG, Dong Gyu , ROH, Soo Gyun , KIM, Jong Hyo
IPC分类号： C08L75/04 , G02B1/04 , C08K5/37 , C08G18/06 , C07C321/02
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公开(公告)号：EP3500621A1
公开(公告)日：2019-06-26
申请号：EP17787275.1
申请日：2017-08-21
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公开(公告)号：EP2970553B1
公开(公告)日：2019-03-06
申请号：EP14776520.0
申请日：2014-03-07
申请人： Covestro LLC
IPC分类号： C08G18/28 , C08G18/63 , C08G18/06 , C08J9/04 , C08G101/00
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公开(公告)号：EP3387033A1
公开(公告)日：2018-10-17
申请号：EP16873613.0
申请日：2016-11-30
发明人： YANG, Yu , PARK, Jiyoung , IYER, Suresh , FLETCHER, Timothy D. , MUEHLE, Thomas E. S. , PETERSON, Jeffrey A. , BLONG, Thomas J.
IPC分类号： C08G18/06 , C08G18/10 , C09J175/04 , C09D175/04 , C08L75/04 , B32B27/40
CPC分类号： C09D175/04 , B32B27/40 , C08G18/246 , C08G18/4213 , C08G18/758 , C08G18/83 , C08G18/833 , C08G18/836 , C09D5/002 , C08G18/10 , C08G18/3215 , C08G18/282
摘要： Polyurethane polymers are described comprising polymerized units comprising a hydroxy functional aromatic group wherein the hydroxy group has been functionalized with an adhesion promoting group. In some embodiments, the polyurethane polymer comprises polymerized units have the general structure wherein L1 and L2 are independently divalent linking groups comprising an urethane group; and RA is an adhesion promoting group bonded to the oxygen atom by means of an ionic or covalent bond. In other embodiments, film articles, laminates are described and methods of making functionalized polyurethane polymers are described.
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公开(公告)号：EP3247759A1
公开(公告)日：2017-11-29
申请号：EP16740523.2
申请日：2016-01-14
发明人： LU, Yongshang , CHEN, Zhong , MA, Jingjing , HO, Charlie C.
IPC分类号： C09J175/04 , C08G18/06 , C08G18/72 , C09J175/06
CPC分类号： C09J175/06 , C08G18/10 , C08G18/42 , C08G18/4277 , C08G18/6625 , C08G18/724 , C08G18/73 , C08G18/755 , C08G18/7642 , C08G18/7671 , C08G2170/40 , C09J7/38 , C09J11/00 , C09J2201/606 , C09J2201/622 , C09J2475/00 , C08G18/3206
摘要： A pressure sensitive adhesive composition includes a polyurethane polymer that includes the reaction product of a polyisocyanate component and a polyol component. The polyol component has a total solubility parameter ranging from 10 to 14 (cal/cm3)1/2.
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