发明名称 |
PREPOLYMERS WITH LOW MONOMERIC TDI CONTENT |
摘要 |
This invention relates to novel liquid, homogeneous toluene diisocyanate/polyether/polymethylene poly(phenylisocyanate) prepolymers having an NCO content of from about 2 to 16%, a viscosity or about 10,000 mPa.s or less at room temperature, and which contains about 1.0% or less of free monomeric TDI. This invention also relates to a process for the preparation of these liquid, homogeneous toluene diisocyanate/polyether/-polymethylene poly(phenylisocyanate) prepolymers.
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申请公布号 |
CA2251081(A1) |
申请公布日期 |
1999.05.03 |
申请号 |
CA19982251081 |
申请日期 |
1998.10.23 |
申请人 |
BAYER CORPORATION;BAYER CORPORATION |
发明人 |
PANTONE, RICHARD S.;MARKUSCH, PETER H. |
分类号 |
C08G18/10;(IPC1-7):C08G18/76 |
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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