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    • 2. 发明授权
    • Contact lens and process for preparation thereof
    • 隐形眼镜及其制备方法
    • US4632968A
    • 1986-12-30
    • US776203
    • 1985-09-03
    • Mitsuru YokotaTsutomu GoshimaShuji Fujioka
    • Mitsuru YokotaTsutomu GoshimaShuji Fujioka
    • C08G18/00B29D11/00C08F290/06C08G18/61C08G18/67C08G18/73C08G18/77C08G18/81G02B1/04G02C7/04C08F30/08
    • G02C7/04B29D11/00076C08F290/068C08G18/61C08G18/615C08G18/671C08G18/73C08G18/771C08G18/8158G02B1/043
    • An oxygen-permeable contact lens consisting essentially of a polymer having an organic polysiloxane skeleton and a three-dimensional crosslinked structure, and a process for the preparation thereof. The polymer comprises structural units comprising (A) a residue of a trifunctional isocyanate, (B) a residue of at least one compound selected from the group consisting of unsaturated carboxylic acids, monoalkyl esters of unsaturated dicarboxylic acid, monoalkyl and dialkyl esters of unsaturated tricarboxylic acids, hydroxyalkyl esters of unsaturated carboxylic acids, acrylamide, methacrylamide, vinyl ethers, and styrene derivatives having an active hydrogen atom, (C) a polydimethylsiloxane residue modified with an active hydrogen-containing functional group, and (D) a residue of at least one compound selected from the group consisting of alkyl esters of acrylic acid, alkyl esters of methacrylic acid, fluorine-containing acrylates, fluorine-containing methacrylates, acrylates and methacrylates having an alicyclic hydrocarbon group, aryl acrylates and methacrylates, halogen-containing aryl acrylates and methacrylates, styrene, styrene derivatives, alkyl esters of unsaturated carboxylic acids.
    • PCT No.PCT / JP85 / 00009 Sec。 371日期:1985年9月3日 102(e)1985年9月3日PCT PCT 1月11日,PCT PCT。 出版物WO85 / 03138 日期:1985年7月18日。基本上由具有有机聚硅氧烷骨架和三维交联结构的聚合物组成的透氧隐形眼镜及其制备方法。 聚合物包含结构单元,其包含(A)三官能异氰酸酯的残基,(B)选自不饱和羧酸,不饱和二羧酸的单烷基酯和不饱和三羧酸的二烷基酯中的至少一种化合物的残基 酸,不饱和羧酸的羟烷基酯,丙烯酰胺,甲基丙烯酰胺,乙烯基醚和具有活性氢原子的苯乙烯衍生物,(C)用含活性氢官能团改性的聚二甲基硅氧烷残基,(D)至少 一种选自丙烯酸的烷基酯,甲基丙烯酸的烷基酯,含氟丙烯酸酯,含氟甲基丙烯酸酯,具有脂环族烃基的丙烯酸酯和甲基丙烯酸酯,丙烯酸酯和甲基丙烯酸芳基酯,含卤素的芳基丙烯酸酯和 甲基丙烯酸酯,苯乙烯,苯乙烯衍生物,不饱和羧酸的烷基酯 酸。
    • 3. 发明授权
    • Silicone compound and process for producing the same
    • 硅酮化合物及其制备方法
    • US07683206B2
    • 2010-03-23
    • US10590850
    • 2005-02-25
    • Kazuhiko FujisawaTsutomu GoshimaMitsuru Yokota
    • Kazuhiko FujisawaTsutomu GoshimaMitsuru Yokota
    • C07F7/08C07C30/08C08G77/38
    • C08G77/14C07F7/0838
    • This invention provides a process for producing of a silicone compound which includes a synthesis reaction of a silicone compound represented by the following formulas (a) and/or (a′), by reacting a carboxylic acid represented by the following formula (a2) to an epoxy silane represented by the following formula (a1) in presence of a metal salt of the carboxylic acid represented by the general formula (a2), characterized in that the reaction is carried out in presence of 0.05 wt % or more water in said reaction system. Here, A denotes siloxanyl group. R1 denotes a substitutent with 1 to 20 carbons having a polymerizable group. R2 to R4 respectively and independently denote hydrogen, a substituted or unsubstituted substitutent with 1 to 20 carbons, or —X-A. X denotes a substituted or unsubstituted divalent substitutent with 1 to 20 carbons.
    • 本发明提供一种硅氧烷化合物的制造方法,其包括由下式(a)和/或(a')表示的硅氧烷化合物的合成反应,将下式(a2)表示的羧酸与 在由通式(a2)表示的羧酸的金属盐的存在下,由下式(a1)表示的环氧硅烷,其特征在于,所述反应在所述反应中在0.05重量%以上的水的存在下进行 系统。 这里,A表示硅氧烷基。 R1表示具有可聚合基团的具有1至20个碳的取代基。 R2至R4分别独立地表示氢,取代或未取代的碳原子数1〜20的取代基或-X-A。 X表示具有1至20个碳的取代或未取代的二价取代基。
    • 4. 发明申请
    • Silicone compound and process for producing the same
    • 硅酮化合物及其制备方法
    • US20070191621A1
    • 2007-08-16
    • US10590850
    • 2005-02-25
    • Kazuhiko FujisawaTsutomu GoshimaMitsuru Yokota
    • Kazuhiko FujisawaTsutomu GoshimaMitsuru Yokota
    • C07F7/08
    • C08G77/14C07F7/0838
    • This invention provides a process for producing of a silicone compound which includes a synthesis reaction of a silicone compound represented by the following formulas (a) and/or (a′), by reacting a carboxylic acid represented by the following formula (a2) to an epoxy silane represented by the following formula (a1) in presence of a metal salt of the carboxylic acid represented by the general formula (a2), characterized in that the reaction is carried out in presence of 0.05 wt % or more water in said reaction system. Here, A denotes siloxanyl group. R1 denotes a substitutent with 1 to 20 carbons having a polymerizable group. R2 to R4 respectively and independently denote hydrogen, a substituted or unsubstituted substitutent with 1 to 20 carbons, or —X-A. X denotes a substituted or unsubstituted divalent substitutent with 1 to 20 carbons.
    • 本发明提供一种硅氧烷化合物的制造方法,其包括由下式(a)和/或(a')表示的硅氧烷化合物的合成反应,将下式(a2)表示的羧酸与 在由通式(a2)表示的羧酸的金属盐的存在下,由下式(a1)表示的环氧硅烷,其特征在于,所述反应在所述反应中在0.05重量%以上的水的存在下进行 系统。 这里,A表示硅氧烷基。 R 1表示具有可聚合基团的具有1至20个碳的取代基。 R 2分别独立地表示氢,取代或未取代的碳原子数1〜20的取代基或-X-A。 X表示具有1至20个碳的取代或未取代的二价取代基。
    • 5. 发明授权
    • Silicone prepolymer solutions
    • 硅氧烷预聚物溶液
    • US08637589B2
    • 2014-01-28
    • US12962575
    • 2010-12-07
    • Kazuhiko FujisawaMitsuru YokotaMasataka Nakamura
    • Kazuhiko FujisawaMitsuru YokotaMasataka Nakamura
    • G02B1/04
    • C08F230/08C08K5/06C08L39/06G02B1/043C08L43/04
    • In one aspect, the invention relates to silicone prepolymer compositions comprising a silicone prepolymer and a solvent. A soluble silicone prepolymer can be provided having increased average silicon content, thereby attaining a desired oxygen permeability. A solvent can be provided with a desired balance between hydrophilicity and hydrophobicity by selection and modification of the solvent molecular structure, resulting in molded polymer films and articles that exhibit minimal or nonexistent eye irritation and exhibit highly transparent products. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    • 一方面,本发明涉及包含硅氧烷预聚物和溶剂的硅氧烷预聚物组合物。 可以提供具有增加的平均硅含量的可溶性硅氧烷预聚物,从而获得所需的氧渗透性。 通过选择和改变溶剂分子结构,可以提供亲水性和疏水性之间的所需平衡的溶剂,导致模制的聚合物膜和表现出极少的或不存在的眼睛刺激并且表现出高度透明的产品的制品。 该摘要旨在作为用于在特定技术中进行搜索的扫描工具,而不意在限制本发明。
    • 7. 发明申请
    • PROCESS FOR PRODUCING HYDROLYSIS-RESISTANT SILICONE COMPOUNDS
    • 生产抗水解硅酮化合物的方法
    • US20080081850A1
    • 2008-04-03
    • US11561525
    • 2006-11-20
    • Kazuhiko FujisawaMasataka NakamuraMitsuru Yokota
    • Kazuhiko FujisawaMasataka NakamuraMitsuru Yokota
    • G02B1/04
    • C07F7/0876C07F7/0838
    • In one aspect, the invention relates to hydrolysis-resistant silicone compounds. In particular, disclosed are sterically hindered hydrolysis-resistant silicone compounds and improved purity hydrolysis-resistant silicone compounds. Also disclosed are processes for making hydrolysis-resistant silicone compounds; the products of the disclosed processes; compositions and polymers comprising the disclosed compounds and products of the disclosed processes; and ophthalmic lenses, for example contact lenses, intraocular lenses, artificial cornea, and spectacle lenses, comprising the disclosed compositions, disclosed polymers, disclosed compounds, and products of the disclosed processes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    • 一方面,本发明涉及耐水解硅氧烷化合物。 特别地,公开了空间位阻的耐水解硅氧烷化合物和改进的纯度耐水解硅氧烷化合物。 还公开了制备耐水解硅氧烷化合物的方法; 所公开流程的产品; 包含所公开的化合物和所公开方法的产物的组合物和聚合物; 和眼科镜片,例如隐形眼镜,眼内透镜,人造角膜和眼镜镜片,包括所公开的组合物,公开的聚合物,公开的化合物和所公开的方法的产品。 该摘要旨在作为用于在特定技术中进行搜索的扫描工具,而不意在限制本发明。