| 发明名称 |
PROCESS TO MAKE A POLY(TRIMETHYLENE CARBONATE) GLYCOL. |
| 摘要 |
<p>This invention relates to the production of an unsubstituted or R-substituted poly(trimethylene carbonate) glycol via the polymerization of an unsubstituted or R-substituted trimethylene carbonate employing one or more acidic ion exchange resin catalysts in the presence of a solvent. The products formed are substantially free of these catalysts.</p> |
| 申请公布号 |
MX2010005759(A) |
申请公布日期 |
2010.06.09 |
| 申请号 |
MX20100005759 |
申请日期 |
2008.11.25 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
NEVILLE EVERTON DRYSDALE;HARI BABU SUNKARA;ROBERT DICOSIMO |
| 分类号 |
C08G64/02;C08G64/30 |
主分类号 |
C08G64/02 |
| 代理机构 |
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代理人 |
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