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    • 1. 发明授权
    • ARTICLE D'OPTIQUE COMPORTANT UN REVETEMENT ANTI-ABRASION ET ANTI-RAYURES BICOUCHE, ET PROCEDE DE FABRICATION
    • 用于生产具有双层划伤和擦伤固体分涂料和工艺光学制品
    • EP2092377B1
    • 2012-02-08
    • EP07866538.7
    • 2007-11-22
    • ESSILOR INTERNATIONAL (Compagnie Générale d'Optique)
    • BERIT-DEBAT, FabienBOVET, ChristianCANO, Jean-PaulKUDLA, AmélieLECLAIRE, Yves
    • G02B1/10G02B1/04
    • G02B1/14B05D3/0254B05D7/546C09D183/04G02B1/105G02C7/02Y10T428/2495Y10T428/265Y10T428/31511
    • The invention relates to an optical article, comprising a substrate covered with an abrasion and scratch resistant coating with a lower layer and an upper layer stuck to each other, the upper layer and the lower layer being made of hardened layers of upper and lower layer compositions, the upper layer composition comprising at least one organosilane, or hydrolysate thereof, of formula RnYmSi(X)4-n-m and at least one compound or hydrolysate thereof of formula M(Z)x, the following ratio being less than 2.3 : Rs=mass of the theoretical dry extract of compounds I in the upper layer composition/mass of the theoretical dry extract of compounds II in the upper layer composition. The lower layer composition comprises at least one organosilane, or hydrolysate thereof of formula R'n'Y'm'Si(X')4-n-m' and, optionally at least one compound, or hydrolysate thereof of formula M'(Z')y, the following ratio being greater than 2.3 : Ri = mass of the theoretical dry extract of compounds III in the lower layer composition/mass of the theoretical dry extract of compounds IV in the lower layer composition. In the above formulae, M and M' are metals or metalloids of valence x and y, at least equal to 4, R and R' are monovalent organic groups bonded to silicon by a carbon atom and containing at least one epoxy function, groups X, X', Z and Z' are hydrolysable groups, Y and Y' are monovalent organic groups bonded to silicon by a carbon atom, n, m, n' and m' are whole numbers such that n and n' = 1 or 2 with n+m and n'+m' = 1 or 2.
    • 本发明涉及在光学制品,其包含在下层和上层组成的耐磨和耐划伤涂层涂覆有基材没有做坚持海誓山盟,上层和下层是固化的上部和下部的层 层组合物,所述上层组合物,包含至少一种有机硅烷,或它们的水解产物,式RnYmSi(X)4-nm和至少一种化合物,或其水解产物的物,式M(Z)x的,下面的比为 低于2.3:RS =理论干物质的我在的上层组合物理论干物质重量化合物重量 我我在的上层化合物的组合物所述下层组合物,包括至少一种有机硅烷,或其水解产物,式R'n'Y'm'Si的( X ')4-N'-m' 和,任选地,至少一个C ompound,或其水解产物,式M“(Z”)y的,以下的比例为高于2.3中:R 1 =理论在化合物III干物质重量 下层组合物理论干物质的化合物提取我V在的下层在这里组合物上述各式中,M 和M“是金属或化合价,x和y中,准金属至少等于4,R和R”基团是一价的有机基团没有通过碳原子结合至硅,也含有至少一个环氧官能团,X,X' 中,Z和Z“基团是可水解基团,Y和Y”也被通过碳原子键合至硅的一价有机基团中,n,M,N“和m”是整数检查做n和n“= 1或2与 的n + m和n '+ M'= 1或第二