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发明名称
摘要
A process for producing polytrimethylene ether glycol by polycondensing 1,3-propanediol using a catalyst comprising an acid and a base, at a temperature of from about 165 to about 175° C.
申请公布号
JP2009523893(A)
申请公布日期
2009.06.25
申请号
JP20080551398
申请日期
2007.01.19
申请人
发明人
分类号
C08G65/34;C07C41/09;C07C43/10
主分类号
C08G65/34
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代理人
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