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公开(公告)号：EP2462175A1
公开(公告)日：2012-06-13
申请号：EP10727249.4
申请日：2010-06-07
发明人： KUETTEL, Beth , DAVIDOCK, Drew , TAU, Li-Min , CUTHBERT, Thomas
IPC分类号： C08F297/08 , C08F110/06 , C08J5/18
CPC分类号： C08F10/06 , B29C47/0021 , B29C47/0054 , B29C47/0057 , C08F110/06 , C08F210/06 , C08F297/083 , C08J5/18 , C08J2323/12 , C08F2500/04 , C08F2500/15 , C08F2500/26 , C08F210/16
摘要： The present invention relates to polypropylene compositions having a broad molecular weight distribution with a relatively high amount of xylene soluble material. The compositions have an Mw/Mn of five or greater, but preferably greater than 5.5 and more preferably greater than 6.0. The compositions have xylene solubles from 5.0 to 8.0 percent by weight, preferably from 5.5 to 8.0 percent by weight, and more preferably 6.0 to 7.5 percent by weight. The polymers of the present invention are particularly well suited for biaxially oriented polypropylene applications.
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公开(公告)号：EP2462175B1
公开(公告)日：2016-10-12
申请号：EP10727249.4
申请日：2010-06-07
发明人： KUETTEL, Beth , DAVIDOCK, Drew , TAU, Li-Min , CUTHBERT, Thomas
IPC分类号： C08F297/08 , C08F110/06 , C08F210/06 , C08F10/06 , C08J5/18 , B29C47/00
CPC分类号： C08F10/06 , B29C47/0021 , B29C47/0054 , B29C47/0057 , C08F110/06 , C08F210/06 , C08F297/083 , C08J5/18 , C08J2323/12 , C08F2500/04 , C08F2500/15 , C08F2500/26 , C08F210/16
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公开(公告)号：EP2970646B1
公开(公告)日：2020-08-19
申请号：EP14775618.3
申请日：2014-03-13
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公开(公告)号：EP2970646A1
公开(公告)日：2016-01-20
申请号：EP14775618.3
申请日：2014-03-13
发明人： DIAS, Peter, Simon , MEVERDEN, Craig Charles , CATALINA, Edward, E. , CUTHBERT, Thomas , MAJEWSKI, Rita , WILSON, Debra, R.
CPC分类号： C08L23/14 , B29C48/21 , B29C49/02 , B29C49/22 , B29C2049/028 , B29K2023/12 , B29K2105/258 , B29K2995/0026 , B32B1/02 , B32B27/08 , B32B27/30 , B32B27/32 , B32B2250/03 , B32B2250/242 , B32B2270/00 , B32B2307/412 , B32B2307/558 , B32B2439/02 , C08F210/06 , C08J5/00 , C08J5/18 , C08J2323/12 , C08J2323/14 , C08J2423/08 , C08L23/12 , C08L23/142 , C08L2203/10 , C08L2205/025 , C08L2207/02 , C08L23/16
摘要： A polymer sheet includes a core layer containing a propylene impact copolymer (ICP), and a first additional layer comprising a first polymer composition. The propylene impact copolymer (ICP) in the core layer includes a matrix and a dispersed phase. The matrix comprises a polypropylene homopolymer or a propylene/alpha-olefin random copolymer which includes greater than 50 wt. % of units derived from propylene monomer. The dispersed phase includes a copolymer of ethylene and a C3-C8 α-olefin. The ICP has a first melting point being greater than 100° C. (e.g., in the range of from 100° C. to 130° C.) and a second melting point. The polymer sheet can also include a second additional layer containing a second polymer composition.
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