发明名称 |
AQUEOUS POLYURETHANE DISPERSIONS |
摘要 |
2136620 9324551 PCTABS00028 Aqueous polyurethane dispersion in which the polyurethane is made by chain-extension of a prepolymer, and optionally including another polymer (particularly acrylic), wherein the prepolymer incorporates a dimer acid-based polyesterpolyol and also a low molecular weight cycloaliphatic and/or aromatic polyol and/or polyacid and wherein any low molecular weight cycloaliphatic or aromatic polyol is incorporated as a component of the polyester polyol and/or is used as such in the prepolymer synthesis, and any low molecular weight cycloaliphatic or aromatic polyacid is only or substantially only used as such in the prepolymer synthesis.
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申请公布号 |
CA2136620(A1) |
申请公布日期 |
1993.12.09 |
申请号 |
CA19932136620 |
申请日期 |
1993.05.24 |
申请人 |
ZENECA RESINS BV;ZENECA INC |
发明人 |
PEARS DAVID A;OVERBEEK GERARDUS C;SMAK YVONNE W;GOOS HENDRICUS C;JANSSE PETRUS L;COOGAN RICHARD G |
分类号 |
C08F283/00;C08G18/00;C08G18/08;C08G18/10;C08G18/12;C08G18/42;C08G18/66;C09D175/06;(IPC1-7):C08L75/04;C09D175/04 |
主分类号 |
C08F283/00 |
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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