Optical article containing self-healing and abrasion-resistant coatings

    公开(公告)号:US09709707B2

    公开(公告)日:2017-07-18

    申请号:US14688104

    申请日:2015-04-16

    Inventor: Haipeng Zheng

    CPC classification number: G02B1/14 G02B1/041 G02B1/10 G02B1/105 Y10T428/265

    Abstract: The present invention is drawn to an optical article comprising: (a) a transparent optical polymer substrate, (b) a transparent intermediate abrasion-resistant coating obtained from at least one epoxysilane by a sol-gel process, and (c) a transparent outer coating comprising a polythiolene matrix obtained by curing a liquid monomer mixture comprising at least one polyfunctional thiol and at least one polyfunctional allyl monomer, said cured polythiol-ene matrix having a glass transition temperature comprised in the range from 40° C. to 70° C. and a thickness from 3.5 μm to less than 10 μm. It is also drawn to a method for preparing such an optical article and to a method for repairing scratches in such an optical article by heating.

    Curable coating compositions providing antistatic abrasion resistant coated articles
    14.
    发明授权
    Curable coating compositions providing antistatic abrasion resistant coated articles 有权
    提供抗静电耐磨涂层制品的可固化涂料组合物

    公开(公告)号:US09188703B2

    公开(公告)日:2015-11-17

    申请号:US13720500

    申请日:2012-12-19

    Inventor: Haipeng Zheng

    Abstract: Curable composition providing, upon curing, an abrasion resistant, transparent, antistatic coating comprising: a) at least one conductive polymer, b) colloidal particles of at least one non-conductive oxide, c) at least one binder comprising at least one epoxysilane having at least two hydrolysable groups directly linked to the Si atom of the epoxysilane, and/or its hydrolysis product, said at least one conductive polymer and said colloidal particles of at least one non-conductive oxide being substantially not agglomerated, the content of said conductive polymer in the dry extract of said curable composition ranging from 0.1 to 10% by weight, preferably from 0.2 to 10% by weight and the content of the dry extract of said at least one epoxysilane in the dry extract of said curable composition ranging from 20 to 80% preferably 25 to 60% by weight based on the total weight of the dry extract.

    Abstract translation: 固化组合物,其在固化时提供耐磨,透明的抗静电涂层,其包含:a)至少一种导电聚合物,b)至少一种非导电氧化物的胶体颗粒,c)至少一种包含至少一种环氧硅烷的粘合剂, 至少两个直接与环氧硅烷的Si原子连接的可水解基团和/或其水解产物,所述至少一种导电聚合物和至少一种非导电氧化物的胶体颗粒基本上不附聚,所述导电 所述可固化组合物的干提取物中的聚合物的量为0.1至10重量%,优选0.2至10重量%,所述可固化组合物的干提取物中所述至少一种环氧硅烷的干提取物的含量范围为20 至80重量%,优选25至60重量%,基于干提取物的总重量。

    Process for the manufacturing of an optical article and optical article

    公开(公告)号:US10371868B2

    公开(公告)日:2019-08-06

    申请号:US14906814

    申请日:2013-07-23

    Inventor: Haipeng Zheng

    Abstract: The invention relates to a process for the manufacturing of an optical article comprising forming a multilayered coating on at least one face of an uncoated or coated substrate,and forming on the outermost layer of said multilayered coating, a layer-by-layer (LbL) coating exposed to environment, said LbL coating comprising at least two bilayers, each bilayer being formed successively by: i) applying a first layer composition comprising at least one compound A having a first electrical charge; ii) applying, directly onto the first layer resulting from i), a second layer composition comprising at least one compound B having a second electrical charge, said second electrical charge being opposite to said first electrical charge; iii) repeating at least once steps i) and ii), with the provisos that: -each of compounds A and B is independently chosen from polysaccharide polymers and colloids of metal oxide such as TiO2 and ZrO2 or silicon oxide, with the proviso that at least one of the compounds A and B is a polysaccharide polymer, -each of said compounds A and B is positively or negatively charged respectively, and d) crosslinking the first and second layers of said bilayers of the LbL coating by treatment with an aqueous composition comprising at least tetrakis(2-hydroxyethyl) orthosilicate (THEOS) as crosslinking agent to induce chemical linkages between compounds A and B. The invention also relates to the optical substrate obtained according to this process.

    OPTICAL ARTICLE CONTAINING SELF-HEALING AND ABRASION-RESISTANT COATINGS
    19.
    发明申请
    OPTICAL ARTICLE CONTAINING SELF-HEALING AND ABRASION-RESISTANT COATINGS 有权
    包含自愈和抗磨损涂层的光学制品

    公开(公告)号:US20150219800A1

    公开(公告)日:2015-08-06

    申请号:US14688104

    申请日:2015-04-16

    Inventor: Haipeng Zheng

    CPC classification number: G02B1/14 G02B1/041 G02B1/10 G02B1/105 Y10T428/265

    Abstract: The present invention is drawn to an optical article comprising: (a) a transparent optical polymer substrate, (b) a transparent intermediate abrasion-resistant coating obtained from at least one epoxysilane by a sol-gel process, and (c) a transparent outer coating comprising a polythiolene matrix obtained by curing a liquid monomer mixture comprising at least one polyfunctional thiol and at least one polyfunctional allyl monomer, said cured polythiol-ene matrix having a glass transition temperature comprised in the range from 40° C. to 70° C. and a thickness from 3.5 μm to less than 10 μm. It is also drawn to a method for preparing such an optical article and to a method for repairing scratches in such an optical article by heating.

    Abstract translation: 本发明涉及一种光学制品,其包括:(a)透明光学聚合物基材,(b)通过溶胶 - 凝胶法由至少一种环氧硅烷获得的透明中间耐磨涂层,和(c)透明外部 包含通过固化包含至少一种多官能硫醇和至少一种多官能烯丙基单体的液体单体混合物获得的多硫醇基体的涂层,所述固化的多硫醇 - 烯基体的玻璃化转变温度为40℃至70℃ ,厚度从3.5μm到小于10μm。 还描述了制备这种光学制品的方法以及通过加热来修复这种光学制品中的划痕的方法。

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