发明名称 |
Bulk polyurethane ionomers |
摘要 |
The invention relates to bulk polyurethane ionomers prepared by the reaction (A) an isocyanate terminated ionic prepolymer with (B) a hydrocarbon polyol chain extender, said prepolymer having been prepared from (i) an excess of diisocyanate, (ii) a mixture comprising a diol and an organic polyol having three or more reactive hydroxyl moieties each having a molecular weight of from about 250 to about 6,000 and (iii) a difunctional isocyanate-reactive component containing an ionic group or potential ionic group.
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申请公布号 |
US4956438(A) |
申请公布日期 |
1990.09.11 |
申请号 |
US19890308350 |
申请日期 |
1989.02.08 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
RUETMAN, SVEN H.;ANAND, JOGINDER N. |
分类号 |
C08G18/10;C08G18/08;C08G18/12;C08G18/30;C08G18/32;C08G18/48;C08G18/65;C08G18/75 |
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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