发明名称 |
COMPOSITE SOLID PHASE POLYMERIZATION CATALYST |
摘要 |
The invention is a method for making condensation polymers, such as polye thylene terephthalate polyester. The method includes introducing to a poly c ondensation reaction a catalyst system that includes a coordination catalyst and a composite catalyst, which includes an acid component and an auxiliary component.
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申请公布号 |
CA2656998(A1) |
申请公布日期 |
2008.01.17 |
申请号 |
CA20072656998 |
申请日期 |
2007.07.11 |
申请人 |
WELLMAN, INC. |
发明人 |
HUENEFELD, DANIEL ALLEN;NICHOLS, CARL STEVEN;MOORE, TONY CLIFFORD |
分类号 |
C08G63/00 |
主分类号 |
C08G63/00 |
代理机构 |
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