会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 70. 发明申请
    • OPTICAL ARTICLE COMPRISING A DOUBLE-LAYER ABRASION AND SCRATCH RESISTANT COATING AND METHOD FOR PRODUCTION THEREOF
    • 包含双层磨损和耐刮擦涂层的光学制品及其生产方法
    • US20170003420A1
    • 2017-01-05
    • US15264290
    • 2016-09-13
    • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    • Fabien BERIT-DEBATChristian BOVETJean-Paul CANOAmélie KUDLAYves LECLAIRE
    • G02B1/14C09D183/04B05D3/02G02C7/02B05D7/00
    • G02B1/14B05D3/0254B05D7/546C09D183/04G02B1/105G02C7/02Y10T428/2495Y10T428/265Y10T428/31511
    • 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   II   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   IV   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.
    • 在上述式中,M和M'是化合价x和y的金属或准金属,至少等于4,R和R'基团是通过碳原子与硅结合且含有至少一个环氧基的单价有机基团 功能X,X',Z和Z'基团是可水解基团,Y和Y'是通过碳原子与硅结合的一价有机基团,n,m,n'和m'是整数,使得n和n '= 1或2,其中n + m和n'+ m'= 1或2。