发明名称 |
METAL-CONTAINING COMPOSITION AND PROCESS THEREWITH |
摘要 |
A composition that can be used as catalyst is disclosed. The composition comprises, or is produced by combining, (A) a titanium compound; (B) either (i) a complexing agent, (ii) a combination of a complexing agent, hypophosphorous acid or a salt thereof, and optionally a solvent, a zirconium compound, or both, (iii) combinations thereof; (C) a phosphorus compound; and optionally a solvent. Also disclosed is a process that can be used for producing a polyester. The process comprises contacting, in the presence of an esterification or transesterification or polycondensation catalyst composition and a phosphorus compound, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization. Further disclosed is a process to make polyester with reduced insoluble particles or solids using a phosphorus compound other than the commonly used phosphoric acid. |
申请公布号 |
EP1373359(A1) |
申请公布日期 |
2004.01.02 |
申请号 |
EP20020714726 |
申请日期 |
2002.01.09 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
DUAN, JIWEN, F.;PUTZIG, DONALD, E.;MALLON, FREDERICK, K.;DAVIS, TIMOTHY, M. |
分类号 |
B01J31/18;B01J27/18;B01J31/02;B01J31/04;B01J31/12;B01J31/22;B01J31/26;C08G63/06;C08G63/82;C08G63/85;C08G63/87 |
主分类号 |
B01J31/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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