POLYMERIZATION CATALYST FOR POLYESTER, POLYESTER PRODUCED WITH THE SAME, AND PROCESS FOR PRODUCING POLYESTER
申请人:Toyo Boseki Kabushiki Kaisha
公开号:EP1400549A1
公开(公告)日:2004-03-24
This invention provides a novel polymerization catalyst other than antimony compounds, polyester produced by using the same and a process for producing polyester. The polycondensation catalyst of this invention is a polyester polymerization catalyst comprising an aluminum compound and a phosphorus compound having a specific structure. Further, this invention relates to polyester produced by using this polyester polymerization catalyst and a process for producing polyester. Further, this invention relates to fibers, films and hollow molded articles comprising the polyester.
本发明提供了一种除锑化合物以外的新型聚合催化剂、使用该催化剂生产的聚酯以及生产聚酯的工艺。本发明的缩聚催化剂是一种聚酯聚合催化剂,由具有特定结构的铝化合物和磷化合物组成。此外,本发明还涉及使用这种聚酯聚合催化剂生产的聚酯以及生产聚酯的工艺。此外,本发明还涉及由该聚酯组成的纤维、薄膜和中空成型品。