发明名称 |
Method for the continuous preparation of organopolysiloxane emulsions |
摘要 |
Method and apparatus for preparing uniform highly dispersed emulsions by using a low drive power and without pressurization, making possible continuous mass production of uniform organopolysiloxane emulsions. An organopolysiloxane, water and a emulsifying agent, are continuously fed across a first-stage shearing and stirring mechanism and a second-stage shearing and stirring mechanism. The first-stage mechanism is a stator and turbine-type rotor whose blades are slanted obliquely from the radial direction when viewed from the axial direction. The second-stage mechanism is a stator and turbine-type rotor whose blades describe spiral curves with respect to the axial direction. The two mechanisms are arranged serially and separated from one another by a relaxation zone. Emulsification is carried out in the first-stage mechanism by an intake and shearing action at a shear rate of at least 100/second, and in the second-stage mechanism by a phase reversal, rotating effect and shearing action at a shear rate of at least 100/second.
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申请公布号 |
US5563189(A) |
申请公布日期 |
1996.10.08 |
申请号 |
US19950498963 |
申请日期 |
1995.07.06 |
申请人 |
DOW CORNING TORAY SILICONE CO., LTD. |
发明人 |
HOSOKAWA, HIDEHIKO;MAESHIAM, JUNICHI;SUTO, FUMITAKA |
分类号 |
B01F3/08;B01F5/00;B01F5/16;B01F7/00;C08J3/03;(IPC1-7):C08J3/03 |
主分类号 |
B01F3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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