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公开(公告)号：EP2265981A1
公开(公告)日：2010-12-29
申请号：EP09727097.9
申请日：2009-03-30
发明人： BÖSL, Ellen, R. , CHIEN, Bert, T. , FRANKE, Carsten , HART, Shandon, D. , HEDDING, Brent, A. , KARG, Donovan, C., Jr. , LUDEMANN, Thomas, J. , NOONEY, Meghan, A. , O'NEILL, Mark, B. , PETERSON, Jeffrey, A. , STROBEL, Joan, M. , TAI, Huiwen, , VAN DERLOFSKE, John, F. III , WEBER, Michael, F. , WONG, Chiu, Ping , POKORNY, Richard, J. , BAETZOLD, John, P.
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363 , G02F1/13357
CPC分类号： G02B5/3083 , G02B5/3033 , G02F1/133536 , G02F1/133606 , G02F1/13362 , G02F1/133634 , G02F2001/133531 , G02F2001/133543 , G02F2413/12 , Y02P20/582
摘要： An optical film that includes a reflective polarizer and a stretched polymer film is disclosed. The stretched polymer film is laminated to the reflective polarizer, and the stretched polymer film exhibits a refractive index symmetry point at an angle of incidence in air of at least about 60 degrees in a plane of incidence parallel to a direction of greatest stretch.
摘要翻译： 公开了一种包括反射偏振器和拉伸聚合物膜的光学膜。 拉伸的聚合物膜被层压到反射偏振器上，并且拉伸的聚合物膜在平行于最大拉伸方向的入射平面中在空气中的入射角呈现至少约60度的折射率对称点。
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公开(公告)号：EP1232118B1
公开(公告)日：2005-10-05
申请号：EP00920055.1
申请日：2000-04-03
发明人： KOLB, Brant, U. , CHIEN, Bert, T.
CPC分类号： B82Y30/00 , B01J13/0008 , C01G25/02 , C01P2004/62 , C01P2004/64 , C08K3/22 , C08K2003/2244
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公开(公告)号：EP1311587B1
公开(公告)日：2005-11-16
申请号：EP01984529.6
申请日：2001-01-03
发明人： MINAMI, Kazuhiko , AYUKAWA, Hiroshi , SUWA, Toshihiro , KOBAYASHI, Mitsuaki , CHIEN, Bert, T. , EZZELL, Stephen, A.
IPC分类号： C08G73/10
CPC分类号： C08G73/101 , C08G73/10 , Y10S428/901 , Y10T428/10 , Y10T428/1023 , Y10T428/31721
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公开(公告)号：EP1311587A1
公开(公告)日：2003-05-21
申请号：EP01984529.6
申请日：2001-02-03
发明人： MINAMI, Kazuhiko , AYUKAWA, Hiroshi , SUWA, Toshihiro , KOBAYASHI, Mitsuaki , CHIEN, Bert, T. , EZZELL, Stephen, A.
IPC分类号： C08G73/10
CPC分类号： C08G73/101 , C08G73/10 , Y10S428/901 , Y10T428/10 , Y10T428/1023 , Y10T428/31721
摘要： A thermally cured polyimide is provided, and in particular a crosslinked polyimide, comprising a fluorenyl diamine and comprising an aromatic ring having at least one C1-C10 branched or unbranched alkyl substituent, where the alkyl substituent includes a benzylic hydrogen. The present invention provides a crosslinked polyimide made by a process comprising the step of crosslinking a polyimide comprising diamines comprising pendent fluorenyl groups and comprising aromatic rings having at least one C1-C10 branched or unbranched alkyl substituent, the alkyl substituent including a benzylic hydrogen, by raising the temperature of said polyimide above its glass transition temperature.
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公开(公告)号：EP1311586A1
公开(公告)日：2003-05-21
申请号：EP00990316.2
申请日：2000-12-21
CPC分类号： C08G73/10 , C08G73/1039 , C08G73/1053 , H01B3/306 , H05K1/0346 , Y10S428/901 , Y10T428/10 , Y10T428/1023 , Y10T428/31721
摘要： An element of a gigahertz electronic device is provided comprising a polyimide selected to have an imide equivalent weight of 375 or greater. The polyimide preferably has a dielectric loss at 12.8 GHz of 0.009 or less and a Tg of 260°C or greater. Such elemen ts include circuit substrates and antennas.
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公开(公告)号：EP1232118A1
公开(公告)日：2002-08-21
申请号：EP00920055.1
申请日：2000-04-03
发明人： KOLB, Brant, U. , CHIEN, Bert, T.
CPC分类号： B82Y30/00 , B01J13/0008 , C01G25/02 , C01P2004/62 , C01P2004/64 , C08K3/22 , C08K2003/2244
摘要： A zirconia sol comprising an aqueous phase having dispersed therein a plurality of single crystal zirconia particles having an average primary particle size less than about 20 nm. The zirconia sols are substantially non associated having a dispersion index ranging from about 1-3 and are highly crystalline exhibiting a crystallinity index of about 0.65 or greater. Of the crystalline phase, about 70% or greater exists in combined cubic and tetragonal crystal lattice structures without a crystal phase stabilizer. Also described is a hydrothermal method of making zirconia sols having substantially non-associated zirconia particles and composite materials made from the zirconia sols.
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