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    • 7. 发明授权
    • Organosilicon water repellent compositions
    • 有机硅防水组合物
    • US06323268B1
    • 2001-11-27
    • US09604714
    • 2000-06-27
    • Paul David FisherFeifei LinLori Ann Stark-Kasley
    • Paul David FisherFeifei LinLori Ann Stark-Kasley
    • C08L8304
    • C04B41/009C04B41/4961C09D183/04C04B41/4922C04B28/02C08L83/00C08L2666/44
    • A composition for rendering surfaces water repellent is formed by combining water or a solvent; a methylhydrogensiloxane polymer or copolymer; an alkoxysilane having the formula RaSi(OR′)4-a in which R represents an alkyl group containing 1-10 carbon atoms, an alkenyl group containing 2-8 carbon atoms, an aryl group, or an haloalkyl group, a has a value of 1 or 2, and R′ represents an alkyl group containing 1-6 carbon atoms; and a silicone resin. The composition can also contain other components such as a volatile methyl siloxane, a cationic oil-in-water emulsion of an aminofunctional polydimethylsiloxane, a surfactant, a catalyst, a beading agent, an organic wax, a preservative, an antifoam, a mildewcide, an UV absorber/UV light stabilizer, or a freeze-thaw additive.
    • 通过混合水或溶剂形成表面防水剂的组合物; 甲基氢硅氧烷聚合物或共聚物; 具有式R a Si(OR')4-a的烷氧基硅烷,其中R表示含有1-10个碳原子的烷基,含有2-8个碳原子的烯基,芳基或卤代烷基,具有值 为1或2,R'为含1-6个碳原子的烷基; 和硅树脂。 组合物还可以含有其它组分,例如挥发性甲基硅氧烷,氨基官能聚二甲基硅氧烷的阳离子水包油乳液,表面活性剂,催化剂,珠饰剂,有机蜡,防腐剂,消泡剂,防霉剂, UV吸收剂/ UV光稳定剂或冻融添加剂。