发明名称 |
PREPARATION OF STERICALLY STABILISED AQUEOUS POLYMER DISPERSIONS |
摘要 |
A method of preparing a stable dispersion in an aqueous medium of particles of polymer in which stabilisation of the particles against flocculation is effected by a steric mechanism. The method comprises (i) forming a sterically stabilized dispersion in a non-aqueous liquid of a first polymer insoluble in the non-aqueous liquid and in water; (ii) polymerizing monomer in the same non-aqueous liquid in the presence of the particles of the first polymer and of a steric stabilizer, so as to form a second polymer which is soluble in the chosen aqueous medium; (iii) transferring the resulting particles to the aqueous medium. There may be prepared in this way aqueous dispersions of polymers incorporating units of water-soluble monomers, which are diffiult to make by known aqueous emulsion polymerization techniques. |
申请公布号 |
DE2860661(D1) |
申请公布日期 |
1981.08.06 |
申请号 |
DE19782860661 |
申请日期 |
1978.09.26 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
BACKHOUSE, ALAN JAMES |
分类号 |
C08J3/02;C08F2/14;C08F2/16;C08F291/00;(IPC1-7):C08F2/16;C08F216/14;C08F220/04;C08F222/20;C08F222/34;C08F226/10;C08F265/06;C08F299/04 |
主分类号 |
C08J3/02 |
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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