| 发明名称 |
Reduction of glycol ethers in polyesters |
| 摘要 |
A process for reducing the glycol ether content in polyesters involves adding a glycol to a polyester oligomer solution prior to polymerization, distilling the oligomer solution to remove vapor containing the glycol as well as the glycol ether, and polymerizing the solution to produce a polyester containing a reduced glycol ether content.
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| 申请公布号 |
US4230818(A) |
申请公布日期 |
1980.10.28 |
| 申请号 |
US19790016673 |
申请日期 |
1979.03.01 |
| 申请人 |
THE GOODYEAR TIRE & RUBBER COMPANY |
发明人 |
BROUGHTON, JR., ROY M.;CALLANDER, DOUGLAS D.;PENGILLY, BRIAN W.;SCHIRMER, JOSEPH P.;WINTERS, TERENCE E. |
| 分类号 |
C08G63/78;(IPC1-7):C08G63/18 |
主分类号 |
C08G63/78 |
| 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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