发明公开
EP0379761A1 Unsaturated polyesters and their preparation
失效
UngesättigtePolyester und deren Herstellung。
- 专利标题: Unsaturated polyesters and their preparation
- 专利标题(中): UngesättigtePolyester und deren Herstellung。
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申请号: EP89300786.4申请日: 1989-01-27
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公开(公告)号: EP0379761A1公开(公告)日: 1990-08-01
- 发明人: Harris, Stephen H.
- 申请人: ARCO Chemical Technology, L.P.
- 申请人地址: 3 Christina Centre, Suite 902, 201 N. Walnut Street Wilmington, Delaware 19801 US
- 专利权人: ARCO Chemical Technology, L.P.
- 当前专利权人: ARCO Chemical Technology, L.P.
- 当前专利权人地址: 3 Christina Centre, Suite 902, 201 N. Walnut Street Wilmington, Delaware 19801 US
- 代理机构: Cropp, John Anthony David
- 主分类号: C08G63/58
- IPC分类号: C08G63/58 ; C08G63/52
摘要:
The claimed polyesters having alternating structures of saturated and unsaturated esters are prepared by direct esterification of a bis(hydroxyalkyl) ester of an aromatic diacid with an unsaturated diacid or an unsaturated diacid anhydride.
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