发明名称 |
Neutralization of polyakylene carbonate polyols for polyurethane prepolymer synthesis |
摘要 |
A prepolymer stabilization process for polyalkylene carbonate polyols includes the steps of adding a small quantity of an organosulfonic acid with stirring until base neutralization is achieved. One measure of base neutralization is a negative CPR, a test relating to controlled polymerization rate.
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申请公布号 |
US5189196(A) |
申请公布日期 |
1993.02.23 |
申请号 |
US19910749487 |
申请日期 |
1991.08.15 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
MANCUSI, III, ANTHONY W.;WASHINGTON, SAMUEL J. |
分类号 |
C08G18/08;C08G18/44;C08K5/42 |
主分类号 |
C08G18/08 |
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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