发明名称 |
Polymer dispersant having hyperbranched structures |
摘要 |
Polyurethanes having hyperbranched structures, selected from hyperbranched polyurethanes containing at least one pigment affinity group and modified hyperbranched polyurethanes, are used as polymeric dispersing additives for pigments. A preferred process for preparing modified polymeric dispersing additives comprises reacting a hyperbranched polyurethane having from 2 to 100 NCO groups and a molar mass of from 500 to 50,000 g/mol with one or more polyether derivatives.
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申请公布号 |
US7268203(B2) |
申请公布日期 |
2007.09.11 |
申请号 |
US20030473210 |
申请日期 |
2003.09.29 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
BRUCHMANN BERND;KOENEMANN MARTIN;HEES ULRIKE |
分类号 |
C08G18/10;B01F17/00;B01F17/42;B01F17/52;C08G18/28;C08G18/48;C08G18/80;C08G18/83;C08G83/00;C09D7/12;C09D17/00;C09D175/04 |
主分类号 |
C08G18/10 |
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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