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    • 5. 发明申请
    • WATER-REPELLENT INORGANIC POWDER AND PROCESS FOR ITS PRODUCTION
    • 水无机粉末及其生产工艺
    • US20080269358A1
    • 2008-10-30
    • US12163363
    • 2008-06-27
    • Masaki InoueAtsunari FujiiTakayoshi Sasaki
    • Masaki InoueAtsunari FujiiTakayoshi Sasaki
    • C01B33/14
    • C09C1/3081B82Y30/00C01B33/149C01P2004/32C01P2004/61C01P2004/62C01P2004/64C01P2006/12C01P2006/14C09C3/12
    • To provide a stable water-repellent inorganic powder which is substantially free from re-dissolution of a silicon compound used for surface treatment whether an organic solvent is polar or non-polar.A water-repellent inorganic powder which is surface-treated with a silicon compound, wherein the silicon compound is one having a group reactive with the inorganic powder, and when the inorganic powder is dispersed in any of polar organic solvents and non-polar organic solvents, the retention of the silicon compound is at least 90%. Preferably, the silicon compound is an aqueous emulsion of any of methylhydrogen silicone oil, alkoxy-modified silicone oil, amino-modified silicone oil, epoxy-modified silicone oil, polyether-modified silicone oil or carboxyl-modified silicone oil, and to the aqueous emulsion, at least one surfactant selected from the group consisting of a sorbitan fatty acid ester type, a polyoxyethylene sorbitan fatty acid ester type, a polyethylene glycol fatty acid ester type, a polyoxyethylene fatty acid ester type, an N-acylamino acid type, a polyoxyethylene alkyl ether type and a polyoxyethylene alkylphenyl ether type, is incorporated.
    • 提供一种稳定的拒水性无机粉末,其基本上不含用于表面处理的硅化合物的再溶解,无论有机溶剂是极性还是非极性。 一种用硅化合物表面处理的拒水性无机粉末,其中硅化合物是具有与无机粉末反应的基团的无机粉末,当无机粉末分散在极性有机溶剂和非极性有机溶剂中的任一种 ,硅化合物的保留率为至少90%。 优选地,硅化合物是甲基氢硅油,烷氧基改性硅油,氨基改性硅油,环氧改性硅油,聚醚改性硅油或羧基改性硅油中的任一种的水乳液, 乳液,至少一种表面活性剂,选自脱水山梨醇脂肪酸酯型,聚氧乙烯脱水山梨糖醇脂肪酸酯型,聚乙二醇脂肪酸酯型,聚氧乙烯脂肪酸酯型,N-酰基氨基酸型, 聚氧乙烯烷基醚类和聚氧乙烯烷基苯基醚类。
    • 6. 发明申请
    • PROCESS FOR PRODUCING WATER REPELLENT PARTICULATES
    • 生产水果颗粒的方法
    • US20080131597A1
    • 2008-06-05
    • US11962138
    • 2007-12-21
    • Akihiro TAKEHARATakayoshi SasakiMasaki InoueNoriyuki Yoshihara
    • Akihiro TAKEHARATakayoshi SasakiMasaki InoueNoriyuki Yoshihara
    • B05D3/02
    • C09C3/12B82Y30/00C01P2004/61C01P2004/62C01P2004/64C01P2006/12C01P2006/14C09C1/3081
    • To provide a process of treating particulates such as an inorganic powder or resin beads to impart water repellency, to effectively impart water repellency particularly to a porous inorganic powder or the like, without use of an organic solvent as a dispersion medium of a silicone oil.Water repellent particulates are produced by a first step of adding, to particulates, an aqueous emulsion of a silicon compound such as a silicone oil to apply surface treatment to the particulates with mixing and stirring in a dry state, and a second step of heating the treated particulates to bake the silicon compound on the surface of the particulates and to separate the aqueous medium in the emulsion. The aqueous emulsion of the silicon compound is preferably an aqueous emulsion of any one of methyl hydrogen silicone oil, dimethyl silicone oil, epoxy-modified silicone oil, amino-modified silicone oil, polyether-modified silicone oil and carboxyl-modified silicone oil.
    • 为了提供处理颗粒如无机粉末或树脂珠以赋予防水性的方法,特别是对多孔无机粉末等而有效赋予疏水性,而不使用有机溶剂作为硅油的分散介质。 防水颗粒是通过第一步骤来制造的,其中将硅化合物如硅油的水性乳液加入到颗粒中,以在干燥状态下混合和搅拌对颗粒进行表面处理,第二步是加热 处理的颗粒以将硅化合物烘烤在颗粒的表面上并分离乳液中的水性介质。 硅化合物的水乳液优选为甲基氢硅油,二甲基硅油,环氧改性硅油,氨基改性硅油,聚醚改性硅油和羧基改性硅油中的任一种的水乳液。