| 发明名称 |
Sistema catalítico poli(tereftalato de etileno) e seu uso |
| 摘要 |
In the present invention, a class of catalysts is described, to be used in the polycondensation stage in the synthesis of poly(ethylene terephthalate), constituted by a composition of metal derivatives in quantity so that the content of these in the final polymer is below 130 ppm. |
| 申请公布号 |
BR9602570(A) |
申请公布日期 |
1998.10.06 |
| 申请号 |
BR19969602570 |
申请日期 |
1996.05.31 |
| 申请人 |
ENICHEM S.P.A. |
发明人 |
RICCARDO PO;LUIGI PELOSINI;LUISA FIOCCA;ERNESTO OCCHIELLO |
| 分类号 |
C08G63/84;C08G63/183;C08G63/82;C08G63/85;C08G63/87;C08L67/03;(IPC1-7):C08G63/127 |
主分类号 |
C08G63/84 |
| 代理机构 |
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