发明名称 |
POLYESTER POLYMERIZATION CATALYST AND METHOD FOR PRODUCING POLYESTER USING THE SAME |
摘要 |
Provided are a polyester polymerization catalyst with which the generation of foreign materials caused by the catalyst or mold pollution at the time of molding are reduced and polyesters having remarkably superior thermal stability and color tone can be obtained. Provided is a polyester polymerization catalyst produced by the reaction of a titanium compound and a mannitol in a molar ratio of titanium atom to mannitol of from 1:1 to 1:3. A method for producing a polyester employs the polyester polymerization catalyst.
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申请公布号 |
US2011178265(A1) |
申请公布日期 |
2011.07.21 |
申请号 |
US200913121350 |
申请日期 |
2009.08.18 |
申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
TANAKA YOICHIRO;HATANO ERI;HONDA KEISUKE |
分类号 |
C08G63/85;C07F7/28 |
主分类号 |
C08G63/85 |
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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