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
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