发明授权
US5863959A Graft polymer dispersion having a third monomer and polyurethane foams
having a reduced tendency to shrink prepared thereby
失效
具有第三单体的接枝聚合物分散体和由此制备的具有降低的收缩倾向的聚氨酯泡沫
- 专利标题： Graft polymer dispersion having a third monomer and polyurethane foams having a reduced tendency to shrink prepared thereby
- 专利标题（中）： 具有第三单体的接枝聚合物分散体和由此制备的具有降低的收缩倾向的聚氨酯泡沫
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申请号： US016660申请日： 1998-01-30
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公开(公告)号： US5863959A公开(公告)日： 1999-01-26
- 发明人: Duane A. Heyman , James A. Gallagher
- 申请人： Duane A. Heyman , James A. Gallagher
- 申请人地址： NJ Mt. Olive
- 专利权人： BASF Corporation
- 当前专利权人： BASF Corporation
- 当前专利权人地址： NJ Mt. Olive
- 主分类号： C08F261/02
- IPC分类号： C08F261/02 ; C08F261/06 ; C08F283/06 ; C08F290/06 ; C08F290/14 ; C08G18/40 ; C08G18/63
摘要：
There is a provided a stable low viscosity graft polymer dispersion comprising from 25 to 60 weight percent based on the total weight of the polymer dispersion of at least three ethylenically unsaturated monomers polymerized in the presence of a reaction moderator and a free radical initiator in a polyol mixture initially containing less than 0.1 moles of induced unsaturation per mole of said polyol mixture. One of the monomers in the mixture of ethylenically unsaturated monomers is a hydroxylfunctional or aminofunctional C.sub.2 -C.sub.6 alkyl methacrylate.
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