Fire proof insulator coating (I), comprises: calcium sulfate dihydrate or plaster (40-80%); calcium carbonate (5-25%); finely divided silica and absorbent (5-20%); alkaline silicate in aqueous solution (5-20%); amphoteric surfactant (0.5-3%) miscible with alkaline silicates, under the form an aqueous solution containing a concentration of active ingredients of 1-60%; and an organic polymer (0.5-3%) hydrosoluble miscible to the sodium silicate, in the form of aqueous solution containing a concentration of active ingredients of 1-60%. Fire proof insulator coating (I), comprises: calcium sulfate dihydrate or plaster (40-80%); calcium carbonate, which is in natural or synthetic form (5-25%); finely divided silica and absorbent, which is in natural or synthetic form (5-20%); alkaline silicate in aqueous solution (5-20%); amphoteric surfactant (0.5-3%) miscible with the alkaline silicates, under the form an aqueous solution containing a concentration of active ingredients of 1-60%; and an organic polymer (0.5 to 3%) hydrosoluble miscible to the sodium silicate, in the form of aqueous solution containing a concentration of active ingredients of 1-60%. An independent claim is included for a method of protecting against fire comprising tempering (I) with water to obtain a projectable coating and the mixing rate, defined by the weight ratio of mass of solid composition/mass of water of 1-3.5.
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机译: (54)标题:具有硅酸盐涂层的固体颗粒(54):FESTKoRPERPARTKEL MIT SILKATBESCHICHTUNG(57)摘要:本发明涉及一种具有二氧化硅涂层的固体颗粒的生产方法,其包括以下步骤:将固体颗粒分散为将其涂覆在水性介质中以产生固体颗粒分散体,通过缓冲系统调节固体颗粒分散体的pH以产生缓冲的固体颗粒分散体,并向缓冲的固体颗粒分散体中添加碱性硅酸盐溶液以形成二氧化硅在涂覆期间将其涂覆在固体颗粒上,其中选择缓冲体系和碱性硅酸盐溶液的量,使得在添加碱性硅酸盐溶液之前和在添加完成之后,缓冲的固体颗粒分散体的pH至少为7.0。碱性硅酸盐溶液的最大含量为11.0。固体颗粒优选是无机固体,特别是