发明名称 |
PRODUCTION METHOD OF REGENERATED POLYOL |
摘要 |
PROBLEM TO BE SOLVED: To provide a production method of regenerated polyol which is low in viscosity and is improved in color tone and which can enhance a recycling rate. SOLUTION: The production method of regenerated polyol obtained by decomposing and regenerating polyurethane comprises a decomposition step of heating polyurethane by monoalcohol to obtain a primary decomposed object, and an exchange and regeneration step of decomposing the primary decomposed object under heating by polyhydric alcohol to obtain the regenerated polyol. |
申请公布号 |
JP2003064218(A) |
申请公布日期 |
2003.03.05 |
申请号 |
JP20010256471 |
申请日期 |
2001.08.27 |
申请人 |
TOYO TIRE & RUBBER CO LTD |
发明人 |
URANO TSUTOMU;HIROSE JUNJI;OGAWA KAZUYUKI |
分类号 |
C08J11/10;(IPC1-7):C08J11/10 |
主分类号 |
C08J11/10 |
代理机构 |
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代理人 |
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地址 |
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