发明名称 |
Acid-blocked amine catalysts for the production of polyurethanes |
摘要 |
Novel acid-blocked amine catalysts and their use in the preparation of polyurethanes. The acid-blocked amine catalysts have the general structure shown below:wherein A is the residue of an organic acid anhydride; R1 is H or C1 to C6 alkyl; R2 is H or C1 to C6 alkyl; n is an integer of 0 to 10; and B is a compound containing a protonated amine and one or more primary amine, secondary amine, or tertiary amine groups. |
申请公布号 |
US6432864(B1) |
申请公布日期 |
2002.08.13 |
申请号 |
US20010832502 |
申请日期 |
2001.04.11 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
WENDEL STEPHAN HERMAN;FARD-AGHAIE REZA |
分类号 |
C07C69/60;C07C69/80;C08G18/16;C08G18/18;C08G18/48;C08G18/76;C08G65/332;C08G65/333;(IPC1-7):B01J31/04;B01J31/18 |
主分类号 |
C07C69/60 |
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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