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    • 3. 发明申请
    • EMULSIONS OF ORGANOPOLYSILOXANE RESINS PRODUCED BY EMULSION POLYMERIZATION
    • 通过乳化聚合生产的有机聚硅氧烷树脂的乳液
    • WO2006016968A1
    • 2006-02-16
    • PCT/US2005/021392
    • 2005-06-17
    • DOW CORNING CORPORATIONGEE, Ronald, PaulLIU, Yihan
    • GEE, Ronald, PaulLIU, Yihan
    • C08G77/06
    • C08G77/06
    • An aqueous siloxane resin containing emulsion is prepared by: (i) adding water, at least one nonionic surfactant, optionally adding an ionic surfactant, and a catalyst, to a reaction vessel, and heating the contents of the vessel to form a mixture; (ii) adding to the mixture at least one silane monomer of the formula RSi(OR') 3 ; (iii) optionally, adding to the mixture, silane monomers of the formula R 2 Si(OR') 2 or R 3 SiOR'; (iv) allowing the silane monomer to hydrolyze and condense by a polymerization reaction in the catalyzed aqueous mixture; (v) terminating the reaction by neutralizing the mixture; and (vi) recovering from the mixture a siloxane resin emulsion containing a siloxane resin.
    • 通过以下步骤制备含水硅氧烷树脂乳液:(i)向反应容器中加入水,至少一种非离子表面活性剂,任选加入离子表面活性剂和催化剂,并加热容器的内容物以形成混合物; (ii)向所述混合物中加入至少一种式RSi(OR')3 Si的硅烷单体; (iii)任选地,向混合物中加入式R 2 Si(OR')2或R 3 SiOR'的硅烷单体; (iv)允许硅烷单体通过催化的含水混合物中的聚合反应水解和缩合; (v)通过中和混合物终止反应; 和(vi)从混合物中回收含有硅氧烷树脂的硅氧烷树脂乳液。