发明授权
- 专利标题: Method of making alcohol stable emulsions ABD microemulsions
- 专利标题(中): 制备醇稳定乳液ABD微乳液的方法
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申请号: US929721申请日: 1997-09-15
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公开(公告)号: US5891954A公开(公告)日: 1999-04-06
- 发明人: Ronald Paul Gee , Judith Mervane Vincent
- 申请人: Ronald Paul Gee , Judith Mervane Vincent
- 申请人地址: MI Midland
- 专利权人: Dow Corning Corporation
- 当前专利权人: Dow Corning Corporation
- 当前专利权人地址: MI Midland
- 主分类号: C08J3/03
- IPC分类号: C08J3/03 ; C08J3/09 ; C08L83/04 ; C08L83/12 ; C08L83/06
摘要:
A solution of an alcohol stable emulsion or microemulsion containing an organopolysiloxane is made by polymerizing a cyclic siloxane in an aqueous medium containing the cyclic siloxane, a nonionic surfactant, an ionic surfactant, and a catalyst, until an organopolysiloxane of desired molecular weight is obtained; adding a silicone polyether to the emulsion or microemulsion and mixing the silicone polyether and the emulsion or microemulsion to form a blend; and adding the blend of silicone polyether and emulsion or microemulsion to aqueous alcohol. It is beneficial to cool the blend to below 20.degree.-25.degree. C. before adding it to aqueous alcohol. It is also beneficial to mix the silicone polyether and the emulsion or microemulsion without application of mechanically induced shear.
公开/授权文献
- US4696727A Universal selective plating head 公开/授权日:1987-09-29