Storage-stable, curable polyorganosiloxane compositions, whether solvent-free, in solution in an organic solvent or in aqueous emulsion, contain (A) a polydiorganosiloxane having silanol endgroups, (B) a polydiorganohydrosilane, and (C) a catalytically effective amount of a latent tin catalyst of the formula (1): ##STR1## and are cured into elastomeric state by heating to a temperature at least equal to the decomposition temperature of the latent catalyst (C); such polyorganosioxane compositions are well adopted for the thin-layer coating of a wide variety of useful substrates, e.g., paper.
储存稳定,可固化的聚有机
硅氧烷组合物,无论是无溶剂,溶解于有机溶剂中或
水性乳液中,包含(A)具有
硅醇端基的聚二有机
硅氧烷,(B)聚二有机
硅氢烷,以及(C)配有催化作用的潜在
锡催化剂,其
化学式为(1):##STR1## 通过加热至至少等于潜在催化剂(C)的分解温度,可将其固化为弹性状态。这种聚有机
硅氧烷组合物非常适合于对各种有用基底进行薄层涂覆,例如纸张。