| 发明名称 |
1,4-BUTANEDIOL, METHOD FOR PRODUCING POLYESTER USING SAID 1,4-BUTANEDIOL, AND STORAGE METHOD FOR SAID 1,4-BUTANEDIOL |
| 摘要 |
<p> The present invention provides 1,4-butanediol (abbreviated hereinafter as BG) having little deterioration of quality even when stored in an oxygen-containing atmosphere, the BG making it possible to obtain polyester having excellent color tone. This BG contains 1 wt ppm or more of 2-methyl-1,3-propanediol and includes a cyclic acetal compound of 1 to 50 wt ppm.</p> |
| 申请公布号 |
WO2015002157(A1) |
申请公布日期 |
2015.01.08 |
| 申请号 |
WO2014JP67467 |
申请日期 |
2014.06.30 |
| 申请人 |
MITSUBISHI CHEMICAL CORPORATION |
发明人 |
KISHISHITA MINORU;SUZUKI TAKAYUKI;MATSUZONO SHINICHIRO |
| 分类号 |
C07C31/20;C08G63/183;C08G63/83 |
主分类号 |
C07C31/20 |
| 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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