发明名称 |
PRODUCTION OF MONOMER DROPLETS |
摘要 |
A method of producing monomer droplets dispersed in an aqueous medium is provided, comprising providing an apparatus comprising a metallic membrane having a plurality of holes; wherein a monomer phase is in contact with a first side of said membrane; wherein an aqueous medium is in contact with a second side of said membrane; wherein said aqueous medium comprises one or more surfactant; and conveying said monomer phase through said through holes into said second volume under conditions sufficient to form a plurality of monomer droplets; wherein a shear force is applied at a point of egression of the first volume into the second volume; wherein the direction of shear is substantially perpendicular to the direction of egression of the first volume. Also provided is a method of making polymer particles comprising producing monomer droplets and then polymerizing some or all of the monomer in said monomer droplets. |
申请公布号 |
US2015328608(A1) |
申请公布日期 |
2015.11.19 |
申请号 |
US201314652808 |
申请日期 |
2013.12.04 |
申请人 |
ROHM AND HAAS COMPANY |
发明人 |
LIU Yuanqin;MARTIN Collin H. |
分类号 |
B01J2/06;C08F222/10;C08F212/08;C08F220/32 |
主分类号 |
B01J2/06 |
代理机构 |
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代理人 |
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主权项 |
1. A method of producing monomer droplets dispersed in an aqueous medium, wherein said method comprises
(a) providing an apparatus comprising a metallic membrane having a plurality of through holes; wherein a monomer phase is in contact with a first side of said membrane; wherein an aqueous medium is in contact with a second side of said membrane; wherein said monomer phase is insoluble in said aqueous medium; wherein said aqueous medium comprises one or more surfactant; and (b) conveying said monomer phase through said through holes into said second volume under conditions sufficient to form a plurality of monomer droplets; wherein a shear force is applied at a point of egression of the first volume into the second volume; wherein the direction of shear is substantially perpendicular to the direction of egression of the first volume. |
地址 |
Philadelphia PA US |