发明申请
WO2014043306A1 PROCESS FOR PREPARING WATER SOLUBLE POLYMERS WITH NO INSOLUBLE GELS AND LOW LEVELS OF RESIDUAL MONOMERS
审中-公开
基本信息:
- 专利标题: PROCESS FOR PREPARING WATER SOLUBLE POLYMERS WITH NO INSOLUBLE GELS AND LOW LEVELS OF RESIDUAL MONOMERS
- 专利标题(中):制备无溶胶凝胶和残留单体含量低的水溶性聚合物的方法
- 申请号:PCT/US2013/059377 申请日:2013-09-12
- 公开(公告)号:WO2014043306A1 公开(公告)日:2014-03-20
- 发明人: CRAMM, Jeffrey, R.
- 申请人: ECOLAB USA INC.
- 申请人地址: 1601 W. Diehl Road Naperville, IL 60563 US
- 专利权人: ECOLAB USA INC.
- 当前专利权人: ECOLAB USA INC.
- 当前专利权人地址: 1601 W. Diehl Road Naperville, IL 60563 US
- 代理机构: CARLSEN, Benjamin
- 优先权: US13/611,026 20120912
- 主分类号: C08J3/075
- IPC分类号: C08J3/075 ; C08F2/01 ; C08F6/00 ; B01J19/00
摘要:
The invention provides a method and apparatus for continuously feeding wet gel polymers into a drying step of a dry polymer synthesis operation. A number of pistons are arranged having inner chambers through which monomers and other reagents are fed and polymerized into wet gel polymers. Each piston operates according to a coordinated schedule so that as one piston finishes extruding polymer into the drying step, a second piston has completed polymerizing more polymer and continues to feed more polymer without interruption. The then finished is re-fed more reagents so as to be ready again when needed next. As a result, cost effective continuous feeding can be achieved without the contamination and impurity problems that have plagued previous attempts to accomplish this.
摘要(中):
本发明提供了一种用于将湿凝胶聚合物连续送入干燥聚合物合成操作的干燥步骤的方法和装置。 多个活塞被布置成具有内室,单体和其它试剂通过该内腔供入并聚合成湿凝胶聚合物。 每个活塞根据协调的时间表运行,使得当一个活塞将挤出聚合物完成到干燥步骤中时,第二活塞已经完成聚合更多的聚合物并且继续进料而不中断。 然后再次加入更多的试剂,以便在需要的时候再次准备好。 因此,可以实现成本有效的连续进料,而不会造成以前尝试实现这一点的污染和杂质问题。
IPC结构图谱:
C | 化学;冶金 |
--C08 | 有机高分子化合物;其制备或化学加工;以其为基料的组合物 |
----C08J | 加工;配料的一般工艺过程;不包括在C08B,C08C,C08F,C08G或C08H小类中的后处理 |
------C08J3/00 | 高分子物质的处理或配料的工艺过程 |
--------C08J3/02 | .用溶液、乳液或悬浮聚合技术以外的方法制成的溶液、分散液或胶乳 |
----------C08J3/03 | ..在含水介质中 |
------------C08J3/075 | ...高分子凝胶 |