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    • 83. 发明授权
    • Surface coating composition comprising silicon compounds
    • 包含硅化合物的表面涂料组合物
    • US06695904B2
    • 2004-02-24
    • US10227295
    • 2002-08-26
    • Rosemarie BurgerJaroslaw MonkiewiczRoland EdelmannBjoern Borup
    • Rosemarie BurgerJaroslaw MonkiewiczRoland EdelmannBjoern Borup
    • C09D18306
    • C09D183/04C08G77/06C08K3/36C23C2222/20
    • A composition which retains a flash point of more than 21° C. even on storage and is obtainable by mixing and reacting (i) from 50 to 70% by weight of at least one alkyltrialkoxysilane, (ii) from 10 to 25% by weight of at least one alkoxysiloxane and/or at least one tetraalkoxysilane, (iii) from 15 to 25% by weight of at least one aqueous silica sol, (iv) from 0.1 to 5% by weight of at least one acid, and (v) from 0.1 to 60% by weight of at least one alcohol and/or glycol, the sum of the above components being not more than 100% by weight, by introducing components (i) and (ii) and also, if desired, a fraction of component (v) as an initial charge, adding component (iii), adjusting the mixture to a temperature in the range from −5 to 10° C., and subsequently adding component (iv), then allowing the mixture to continue reacting, thereafter distilling off hydrolysis alcohol under reduced pressure, and replacing it by adding component (v); which composition is useful for producing a coating on surfaces and also as a base material for paints; a process for preparing such a composition; and coatings and articles obtainable by applying such a composition.
    • 即使在储存时也保持闪点超过21℃的组合物,并且可通过混合并使(i)50至70重量%的至少一种烷基三烷氧基硅烷,(ii)10至25重量% 的至少一种烷氧基硅氧烷和/或至少一种四烷氧基硅烷,(iii)15至25重量%的至少一种水性二氧化硅溶胶,(iv)0.1至5重量%的至少一种酸,和(v )0.1至60重量%的至少一种醇和/或二醇,上述组分的总和不超过100重量%,通过引入组分(i)和(ii),并且如果需要,可以使用 将组分(v)的馏分作为初始电荷,加入组分(iii),将混合物调节至-5至10℃的温度,随后加入组分(iv),然后使混合物继续反应 然后在减压下蒸馏除去水解醇,并通过加入组分(v)代替; 该组合物可用于在表面上生产涂层以及用作涂料的基材; 制备这种组合物的方法; 以及通过应用这种组合物可获得的涂层和制品。