发明名称 |
POLYESTER POLYMERIZATION CATALYST, POLYESTER PRODUCED BY USING THE SAME, AND A PROCESS FOR PRODUCING POLYESTER |
摘要 |
The present invention provides processes for producing polyester. In one of the embodiments, the invention provides a process for producing polyester, comprising adding a catalyst in a polycondensation reaction, esterification reaction or transesterification reaction between components comprising at least a polyfunctional alcohol and at least a polyfunctional carboxylic acid or ester-forming derivative of a polyfunctional carboxylic acid to produce the polyester; and obtaining the polyester, wherein the polymerization catalyst comprises an aluminum substance and a phosphorus compound, wherein the aluminum substance is selected from the group consisting of aluminum hydroxide and aluminum alkoxides, and wherein the phosphorus compound has an aromatic ring structure.
|
申请公布号 |
US2007149757(A1) |
申请公布日期 |
2007.06.28 |
申请号 |
US20070677901 |
申请日期 |
2007.02.22 |
申请人 |
TOYO BOSEKI KABUSHIKI KAISHA |
发明人 |
NAKAJIMA TAKAHIRO;TSUKAMOTO KEN-ICHI;GYOBU SHOICHI;KUWATA MITSUYOSHI |
分类号 |
C08G63/00;C08G63/82;C08G63/84;C08G63/87 |
主分类号 |
C08G63/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|