公开(公告)号：US4732787A

公开(公告)日：1988-03-22

申请号：US862615

申请日：1986-05-13

申请人： Alain Vantillard ,  Joel Pellenc ,  Claude Verne

发明人： Alain Vantillard ,  Joel Pellenc ,  Claude Verne

IPC分类号： C09D183/04 ,  C08J7/04 ,  C09D183/06 ,  C08K3/36

CPC分类号： C08J7/047 ,  C09D183/06 ,  C08J2369/00 ,  C08J2483/00

摘要： A hard, abrasion resistant varnish, for coating the surfaces of solid substrates, comprises a solution in a mixture of solvents:a--4 to 90% by weight, in relation to the total of constituents (a), (b) and (c), of a colloidal silica,b--9 to 95% by weight, in relation to the total of constituents (a), (b) and (c), of the product of hydrolysis and partial condensation of at least one trialkoxysilane;c--1 to 87% by weight, in relation to the total of constituents (a), (b) and (c), of the product of hydrolysis and partial condensation of at least one epoxidized trialkoxysilane;d--0.5 to 9% by weight, in relation to the total of constituents (a), (b) and (c), and (d), of a soluble melamine-formaldehyde and urea-formaldehyde resin.The varnish can optionally contain an acid hardener and secondary adjuvants such as dyes, film tension agents and agents for protection from light.The varnish in contact with the solid substrate to be coated is hardened by heating at about 120.degree. for a time not exceeding 2 hours.

摘要翻译： 用于涂覆固体基材表面的硬质耐磨清漆包含溶剂混合物中的溶液：相对于组分（a），（b）和（c）的总和为4-90重量％ ），相对于至少一种三烷氧基硅烷的水解和部分缩合的产物的组分（a），（b）和（c））的总计，b-9至95重量％的胶体二氧化硅; 相对于至少一种环氧化的三烷氧基硅烷的水解和部分缩合的产物的组分（a），（b）和（c））的总和，c-1至87重量％ 相对于可溶性三聚氰胺 - 甲醛和脲 - 甲醛树脂的组分（a），（b）和（c）和（d））的总量，d-0.5至9重量％。 清漆可以任选地含有酸性硬化剂和辅助助剂，例如染料，膜张力剂和防止光的试剂。 与待涂布的固体基材接触的清漆通过在约120℃加热不超过2小时而硬化。