发明名称 |
HYPERBRANCHED POLYMERIC DISPERSANTS AND NON-AQUEOUS PIGMENT DISPERSIONS |
摘要 |
<p>A polymeric dispersant having a hyperbranched polyurethane architecture obtained by reacting a polyisocyanate core with a mixture of: a) 40 to 65 mol % of an anchor represented by Formula (I) and/or (II): wherein n represents an integer selected from 0 to 7; and X and Y each independently represent a primary amine group or a hydroxyl group; b) 5 to 25 mol % of a polypropylene oxide crosslinker; c) 15 to 40 mol % of a polypropylene oxide graft; and wherein the amount of the crosslinker and the graft taken together is at least 35 mol %; and_wherein 100 mol % of the mixture corresponds with the total amount of isocyanate groups in the polyisocyanate core.</p> |
申请公布号 |
EP2475696(A1) |
申请公布日期 |
2012.07.18 |
申请号 |
EP20100752568 |
申请日期 |
2010.09.08 |
申请人 |
AGFA-GEVAERT |
发明人 |
ANDRE, XAVIER;BERNAERTS, KATRIEN |
分类号 |
C08G18/10;B01F17/00;C08G18/28;C09D11/00 |
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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