发明名称 |
FREEZE-STABLE AROMATIC DIISOCYANATES AND PROCESSES FOR THE PREPARATION OF THESE FREEZE-STABLE PRODUCTS |
摘要 |
This invention relates to freeze-stable aromatic diisocyanates, an to processes for the preparation of these freeze-stable aromatic diisocyanates. The preferred aromatic diisocyanate is preferably diphenylmethane diisocyanate. These freeze-stable aromatic diisocyanates comprise a blend of an aromatic diisocyanate, with 2,2,4- trimethyl-1,3-pentanediol diisobutyrate, and have an NCO group content of from about 6% to about 29% by weight. Suitable aromatic diisocyanates contain one or more of the following modifying groups: allophanate groups, carbodiimide groups, uretonimine groups, biuret groups, dimer groups, isocyanurate groups, urea groups and/or urethane groups. Prepolymers of these modified aromatic diisocyanates are also suitable for the present invention. |
申请公布号 |
WO2009078984(A3) |
申请公布日期 |
2009.09.24 |
申请号 |
WO2008US13767 |
申请日期 |
2008.12.16 |
申请人 |
BAYER MATERIALSCIENCE LLC;BAYONE URETHANE SYSTEMS;NODELMAN, NEIL, H.;HOLESCHOVSKY, ULRICH, B.;WALTER, KURT, E.;YAJKO, DENNIS, F. |
发明人 |
NODELMAN, NEIL, H.;HOLESCHOVSKY, ULRICH, B.;WALTER, KURT, E.;YAJKO, DENNIS, F. |
分类号 |
C08G18/76;C07C291/10;C08G18/00;C08G18/32;C08G18/72;C08L75/00 |
主分类号 |
C08G18/76 |
代理机构 |
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代理人 |
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地址 |
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