发明名称 |
HIGH-CONCENTRATION POLYMER POLYOL AND METHOD FOR MANUFACTURING SAME |
摘要 |
If it is attempted to produce a polymer polyol at a high concentration, there will be a problem such that during polymerization of a monomer to form fine polymer particles, particles are likely to aggregate one another to form aggregates, and storage stability of the polymer polyol tends to deteriorate. A method for producing a polymer polyol is presented which comprises polymerizing at least one type of ethylenically unsaturated monomer together with a seed particle dispersion, in a polyol, wherein the seed particle dispersion is one obtained by polymerizing an ethylenically unsaturated monomer in the presence of an ethylenically unsaturated macromonomer, a solvent and a chain transfer agent, and the ethylenically unsaturated macromonomer is a reaction product of a specific polyol, an isocyanate compound and an ethylenically unsaturated monomer having a hydroxy group. |
申请公布号 |
EP2679608(A4) |
申请公布日期 |
2016.03.02 |
申请号 |
EP20120750034 |
申请日期 |
2012.02.24 |
申请人 |
ASAHI GLASS COMPANY, LIMITED |
发明人 |
SUZUKI, CHITOSHI;HAYASHI, TOMOHIRO;HARADA, KENSUKE;SASAKI, TAKAYUKI;HORIE, AKIO;ITO, TAKASHI |
分类号 |
C08F2/44;C08F2/06;C08F2/08;C08F283/06;C08F285/00;C08G18/63 |
主分类号 |
C08F2/44 |
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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