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公开(公告)号:US20040047047A1
公开(公告)日:2004-03-11
申请号:US10649875
申请日:2003-08-28
发明人: Koichi Yamaguchi , Hirofumi Kishita
IPC分类号: G02B003/00 , G02B007/00 , G02B009/00 , G02B011/00 , G02B013/00 , G02B015/00 , G02B017/00 , G02B025/00 , G02B001/06 , G02B003/12
CPC分类号: G02B1/18 , G02B1/105 , G02B1/113 , G02B27/0006 , Y10T428/31663
摘要: A lens including a lens substrate, a surface layer, and a backing member provided beneath the surface layer, in which the backing member may be either the same as the lens substrate or a separate layer from the lens substrate, and wherein the surface layer includes a hydrolysis-condensation product of a perfluoropolyether modified silane with a hydrolysable functional group or a halogen atom X at both terminals, represented by a general formula (1) shown below: 1 (wherein, Rf is a bivalent group with a straight chain perfluoropolyether structure containing no branching, which incorporates a unit represented by a formula null(CkF2kO)null (wherein, k represents an integer from 1 to 6)) is resistant to the adhesion of contaminants to the surface thereof, can be easily wiped to remove any adhered contaminants, provides a slippery surface that is difficult to scratch, and moreover displays excellent durability and is capable of retaining the above properties over extended periods.
摘要翻译: 一种透镜,包括透镜基板,表面层和设置在表面层下方的背衬元件,其中背衬元件可以与透镜基板相同或与透镜基板分开,并且其中表面层包括 由下列通式(1)表示的全氟聚醚改性硅烷与两末端的可水解官能团或卤素原子X的水解缩合产物:(其中,Rf是含有直链全氟聚醚结构的二价基团, 没有分支,其包含由式 - (CkF2kO) - (其中k表示1至6的整数)表示的单元)能够抵抗污染物与其表面的粘附,可以容易地擦去以除去任何附着的污染物 提供难以划伤的光滑表面,并且还显示出优异的耐久性,并且能够在长时间内保持上述性能。
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公开(公告)号:US20020077451A1
公开(公告)日:2002-06-20
申请号:US09893603
申请日:2001-06-29
发明人: Yasunori Sakano , Shinichi Sato , Koichi Yamaguchi , Noriyuki Koike , Masatoshi Arai , Hirofumi Kishita
IPC分类号: C08G067/02 , C08G073/24
CPC分类号: C08G65/336 , C08G65/007
摘要: A curable fluoropolyether rubber composition comprising (A) a straight-chain fluoropolyether compound having at least two alkenyl groups and a perfluoropolyether structure backbone, (B) an organosilicon compound having at least two silicon atom-bonded hydrogen atoms, which all form HnullSiCH2null structures, and (C) a hydrosilylation catalyst cures into parts which have good heat resistance, chemical resistance, solvent resistance, parting property, water repellency, oil repellency and weather resistance as well as improved acid and alkali resistance and are useful as sealants.
摘要翻译: 一种可固化的氟聚醚橡胶组合物,其包含(A)具有至少两个烯基和全氟聚醚结构主链的直链含氟聚醚化合物,(B)具有至少两个与硅原子键合的氢原子的有机硅化合物,其全部形成H-SiCH 2 - (C)氢化硅烷化催化剂固化成具有良好的耐热性,耐化学性,耐溶剂性,脱模性,防水性,拒油性和耐候性以及改善的耐酸和耐碱性的部分,并且可用作密封剂。
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公开(公告)号:US20020028903A1
公开(公告)日:2002-03-07
申请号:US09885068
申请日:2001-06-21
发明人: Koichi Yamaguchi , Hirofumi Kishita
IPC分类号: C08G077/24
CPC分类号: C08G77/46 , C08G77/42 , C09D183/10
摘要: A cured fluorine-containing material comprising a perfluoropolyether of the formula: null(RfnullO)qnull wherein Rf is a perfluoroalkylene group of 1-6 carbon atoms and q is 1-500 as the backbone is suitable as an antireflection film since it has a low refractive index of up to 1.335 at 25null C.
摘要翻译: 包含下式的全氟聚醚的固化的含氟材料: - (Rf-O)q-其中Rf是1-6个碳原子的全氟亚烷基,q是1-500,因为骨架适合作为抗反射膜,因为它 在25℃下具有高达1.335的低折射率
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