Industrial polyester and its preparation method
A polyester obtained by the esterification of terephthalic acid and ethylene glycol and the polycondensation catalysed by a mixture of magnesium ethylene glycol and antimony ethylene glycol followed by granulation. In the polyester sections, the carboxyl end group is less than 15 mol/t, the mass percentage of oligomer is lower than 0.5%, and weight percentage of diethylene glycol is lower than 0.5%.
JIANGSU HENGLI CHEMICAL FIBRE CO., LTD.
C C C C C D C
C08G C25B C08G C08G C08G D01F C08G
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Xiaoyu Fangming Shanshui Lili Wengang Qianhan Zangzang Hongwei
Wang Tang Wang Wang Li Liu Niu Fan