POLYURETHANE RESINS, A METHOD FOR THE PRODUCTION THEREOF AND OPTICAL LENSES MADE OF SAID RESINS
    1.
    发明申请
    POLYURETHANE RESINS, A METHOD FOR THE PRODUCTION THEREOF AND OPTICAL LENSES MADE OF SAID RESINS 审中-公开
    聚氨酯树脂,其生产方法及其树脂的光学透镜

    公开(公告)号:US20090209723A1

    公开(公告)日:2009-08-20

    申请号:US11718002

    申请日:2005-10-26

    IPC分类号: C08G18/32 B29D11/00 G02C7/02

    摘要: The invention relates to polyurethane resins for producing impact-resistant optical lenses, in particular ophthalmic lenses made by using said resins and to a method for producing said lenses, in particular for using thermosetting polyurethane resin for producing the optical lenses, wherein said resin comprises a part (I) corresponding to an isocyanate part containing. A) a methylene-bis-4,4′-isocyanatecyclohexane (Hi2MDI), b) a prepolymer obtainable by the reaction between propoxilated glycerol and a methylene-bis-4,4′-diisocyanatecyclohexane and a part (II) corresponding to an alcohol part containing: c) an alkoxylated etherate glycerol in the monomer and oligomer form thereof and d) at least one type of a polyalkoxylated tertiary diamine tetraol and/or triol.

    摘要翻译: 本发明涉及用于生产耐冲击光学透镜的聚氨酯树脂,特别是通过使用所述树脂制成的眼镜片和用于制造所述透镜的方法,特别是用于制造光学透镜的热固性聚氨酯树脂,其中所述树脂包括 对应于含有异氰酸酯部分的部分(I)。 A)亚甲基双-2,4'-异氰酸酯环己烷(Hi2MDI),b)通过丙氧基化甘油与亚甲基双-2,4'-二异氰酸酯环己烷和对应于醇的部分(II)之间的反应获得的预聚物 部分含有:c)其单体和低聚物形式的烷氧基化醚化甘油,和d)至少一种类型的聚烷氧基化二胺四醇和/或三醇。

    Optical Article Comprising a Double-Layer Abrasion and Scratch Resistant Coating and Method for Production Thereof

    公开(公告)号:US20110058142A1

    公开(公告)日:2011-03-10

    申请号:US12160587

    申请日:2007-11-22

    摘要: The invention relates to an optical article comprising a substrate coated with an abrasion- and scratch-resistant coating composed of a lower layer and an upper layer that do adhere to each other, the upper layer and the lower layer being layers of cured upper and lower layer compositions, said upper layer composition comprising at least one organosilane, or a hydrolyzate thereof, of formula RnYmSi(X)4-n-m and at least one compound, or a hydrolyzate thereof, of formula M(Z)x, the following ratio being lower than 2.3: Rs = theoretical   dry   matter   weight   of   compounds I   in   the   upper   layer   composition theoretical   dry   matter   weight   of   compounds I   I   in   the   upper   layer   composition said lower layer composition comprising at least one organosilane, or a hydrolyzate thereof, of formula R′n′Y′m′Si(X′)4-n′-m′ and, optionally, at least one compound, or a hydrolyzate thereof, of formula M′(Z′)y, the following ratio being higher than 2.3: Ri = theoretical   dry   matter   weight   of   compounds III   in   the   lower   layer   composition theoretical   dry   matter   extract   of   compounds I   V   in   the   lower   layer   composition In the hereabove formulas, M and M′ are metals or metalloids of valences x and y, at least equal to 4, R and R′ groups are monovalent organic groups that are bound to silicon through a carbon atom and that contain at least one epoxy function, X, X′, Z and Z′ groups are hydrolyzable groups, Y and Y′ are monovalent organic groups that are bound to silicon through a carbon atom, n, m, n′ and m′ being integers such that n and n′=1 or 2 with n+m and n′+m′=1 or 2.

    Method for the preparation of a transparent thermosetting polymer / thermoplastic polymer blend type material and its use in optics for the manufacture of organic glasses
    5.
    发明申请
    Method for the preparation of a transparent thermosetting polymer / thermoplastic polymer blend type material and its use in optics for the manufacture of organic glasses 审中-公开
    用于制备透明热固性聚合物/热塑性聚合物共混物类型材料的方法及其在制造有机玻璃的光学中的应用

    公开(公告)号:US20090076185A1

    公开(公告)日:2009-03-19

    申请号:US12197630

    申请日:2008-08-25

    IPC分类号: C08F2/46 C08L53/02

    摘要: The present invention relates to a method for the preparation of a transparent moulding comprising a blend of a thermoset polymeric material forming the matrix of said article, and a thermoplastic polymeric material, dispersed within said thermoset polymeric material, said process comprising at least the following stages: i) preparation of a liquid polymerizable mixture by dissolving said thermoplastic polymeric material in a thermosetting composition that is a precursor of said matrix, ii) filling of a mould with the liquid polymerizable mixture prepared in stage i), iii) polymerization of the liquid polymerizable mixture until a hardened blend of polymers is obtained, and iv) removal of the moulding formed by said blend of polymers, said process being characterized by the fact that the thermosetting composition comprises at least 60% by weight of 4,4′-di(ethoxyethyl)-bisphenol A dimethacrylate and at least 12% by weight of at least one monofunctional or multifunctional acrylic comonomer and by the fact that the thermoplastic polymeric material comprises at least one polystyrene-block-polybutadiene-block-poly(methyl methacrylate) (PS-b-PB-b-PMMA) triblock copolymer. The invention also relates to a transparent moulding obtained by this method as well as the polymerizable liquid mixture prepared in stage i).

    摘要翻译: 本发明涉及一种制备透明模制品的方法,该透明模塑料包括形成所述制品的基质的热固性聚合材料和分散在所述热固性聚合物材料中的热塑性聚合材料的共混物,所述方法至少包括以下阶段 :i)通过将所述热塑性聚合物材料溶解在作为所述基质的前体的热固性组合物中来制备液体可聚合混合物,ii)用步骤i)中制备的液体可聚合混合物填充模具,iii)液体的聚合 可聚合的混合物直到得到聚合物的硬化共混物,以及iv)除去由所述聚合物共混物形成的模制品,所述方法的特征在于,热固性组合物包含至少60重量%的4,4'-二 (乙氧基乙基) - 双酚A二甲基丙烯酸酯和至少12重量%的至少一个单官能或多功能丙烯酸共聚物 并且由于热塑性聚合物材料包含至少一种聚苯乙烯 - 嵌段 - 聚丁二烯 - 嵌段 - 聚(甲基丙烯酸甲酯)(PS-b-PB-b-PMMA)三嵌段共聚物。 本发明还涉及通过该方法获得的透明模制品以及在步骤i)中制备的可聚合液体混合物。

    METHOD FOR THE PREPARATION OF A TRANSPARENT MOULDING BASED ON A BLEND OF THERMOPLASTIC POLYMER AND THERMOSETTING POLYMER
    6.
    发明申请
    METHOD FOR THE PREPARATION OF A TRANSPARENT MOULDING BASED ON A BLEND OF THERMOPLASTIC POLYMER AND THERMOSETTING POLYMER 审中-公开
    基于热塑性聚合物和热固性聚合物的混合物制备透明模塑的方法

    公开(公告)号:US20090054547A1

    公开(公告)日:2009-02-26

    申请号:US12197626

    申请日:2008-08-25

    IPC分类号: G02B1/04 B29D11/00 B29C35/16

    摘要: The present invention relates to a method of preparing a transparent moulding comprising a blend of a first thermoset polymeric material forming the matrix of said moulding, and of a second polymeric material dispersed within said first material, said method comprising at least the following stages: i) preparation of a liquid polymerizable mixture by dissolving said second polymeric material in a thermosetting polymerizable composition that is a precursor of said first thermoset polymeric material, ii) filling of a mould with the liquid polymerizable mixture obtained in stage i), iii) cooling of the liquid polymerizable mixture in the mould to a temperature T less than or equal to 0° C., iv) initiation of the polymerization of said cooled liquid polymerizable mixture at a temperature T′ less than or equal to 0° C., v) continuation of the polymerization of said liquid polymerizable mixture until a hardened blend of polymers is obtained, and vi) removal of the moulding formed from said blend of polymers from the mould. The invention also relates to a transparent moulding obtainable by such a method comprising a blend of polymers, at least one of which is a thermosetting polymer.

    摘要翻译: 本发明涉及一种制备透明模制品的方法,其包括形成所述模制品的基质的第一热固性聚合物材料和分散在所述第一材料内的第二聚合材料的共混物,所述方法至少包括以下阶段:i )通过将所述第二聚合物材料溶解在作为所述第一热固性聚合物材料的前体的热固性可聚合组合物中制备液体可聚合混合物,ii)用步骤i)中获得的液体可聚合混合物填充模具,iii)冷却 模具中的液体可聚合混合物的温度T小于或等于0℃,iv)在低于或等于0℃的温度T'下引发所述冷却的液体可聚合混合物的聚合,v) 继续所述液体可聚合混合物的聚合,直到获得硬化的聚合物共混物,和vi)除去由所述聚合物形成的模制品 从模具中混合聚合物。 本发明还涉及通过这种方法获得的透明模塑件,其包括聚合物的共混物,其中至少一种是热固性聚合物。