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公开(公告)号：US20190351658A1
公开(公告)日：2019-11-21
申请号：US16525178
申请日：2019-07-29
IPC分类号： B32B27/08 , H01L31/048 , B32B27/20 , B32B27/30
摘要： The invention pertains to a multilayer assembly comprising: (L1) a first inner layer [layer (L1)] made from a first composition [composition (C1)], said composition (C1) comprising: at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE), and at least one Ti compound; and (L2) a second outer layer [layer (L2)] made from a second composition [composition (C2)], said composition (C2) being substantially free from TiO2-containing additives, said second composition comprising at least one semi-crystalline polymer comprising recurring units derived from ethylene and from at least one fluoromonomer selected from chlorotrifluoroethylene (CTFE), tetrafluoroethylene (TFE) and mixtures thereof, said semi-crystalline polymer having a heat of fusion of at least 35 J/g [polymer (A)].
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公开(公告)号：US20170226312A1
公开(公告)日：2017-08-10
申请号：US15263334
申请日：2016-09-12
CPC分类号： C08K3/22 , B29D99/00 , B32B27/06 , B32B27/322 , B32B2439/00 , C08J5/18 , C08J2327/12 , C08K3/014 , C08K3/36 , C08K5/005 , C08K2003/2227 , C08K2003/2241 , Y10T29/49002 , Y10T29/49623 , Y10T428/25 , C08L27/12
摘要： The invention pertains to a thermoplastic fluoropolymer composition comprising: at least one semi-crystalline polymer comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g [polymer (A)]; and from 0.05 to 5% by weight, based on weight of polymer (A), of particles of at least one inorganic UV blocker compound, said particles having an average particle size of 1 to 150 nm, said composition being suitable for manufacturing UV-opaque films having outstanding transparency and haze properties.
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