| 发明名称 |
REDUCTION OF FRIABILITY OF POLY (TRIMETHYLENE TEREPHTHALATE). |
| 摘要 |
<p>A method for producing polytrimethylene terephthalate which comp rises polycondensation of 1,3-propane diol and dimethylterephthalate or terephthalic acid followed by solid state polymerization of the polycondensation reaction product to increase the intrinsic viscosity, which comprises quenching the solid state polymerization product in water at a temperature of from 0 to 18 DEG C followed by pelletization of the quenched product.</p> |
| 申请公布号 |
MXPA03010912(A) |
申请公布日期 |
2004.02.17 |
| 申请号 |
MX2003PA10912 |
申请日期 |
2002.05.30 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
BEN DUH |
| 分类号 |
C08G63/88;C08G63/183;C08G63/80;(IPC1-7):C08G63/183 |
主分类号 |
C08G63/88 |
| 代理机构 |
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代理人 |
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