发明名称 |
Catalyst Composition for Producing Polyethylene Terephthalate from Terephthalic Acid and Ethylene Glycol, and Process Therefore |
摘要 |
The present invention relates to a catalyst composition for producing polyethylene terephthalate from terephthalic acid and ethylene glycol, comprising: (i) an antimony compound, being present such that the elemental antimony is in a range of about 15 ppm to less than 150 ppm; (ii) a zinc compound, being present such that the elemental zinc is in a range of about 40 to about 160 ppm; as well as a process for the preparation thereof.
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申请公布号 |
US2008033084(A1) |
申请公布日期 |
2008.02.07 |
申请号 |
US20050592338 |
申请日期 |
2005.02.10 |
申请人 |
BASHIR ZAHIR;SIDDIQUI JAMIL;SAMPATH VENKATANATHAN;AL-LUHAIDAN KHALID |
发明人 |
BASHIR ZAHIR;SIDDIQUI JAMIL;SAMPATH VENKATANATHAN;AL- LUHAIDAN KHALID |
分类号 |
B01J23/00;C08G63/00;C08G63/183;C08G63/80;C08G63/83;C08G63/86;C08K5/56 |
主分类号 |
B01J23/00 |
代理机构 |
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地址 |
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