PROCÉDÉ DE FABRICATION D'UN POLYESTER CONTENANT AU MOINS UN MOTIF 1,4 : 3, 6-DIANHYDROHEXITOL À COLORATION AMÉLIORÉE
    3.
    发明公开
    PROCÉDÉ DE FABRICATION D'UN POLYESTER CONTENANT AU MOINS UN MOTIF 1,4 : 3, 6-DIANHYDROHEXITOL À COLORATION AMÉLIORÉE 审中-公开
    PROCÉDÉ德制造涤纶涤纶面料UN MOTIF UN MOTIF 1,4:3,6-DIANHYDROHEXITOLÀCOLORATIONAMÉLIORÉE

    公开(公告)号:EP3212692A1

    公开(公告)日:2017-09-06

    申请号:EP15797131.8

    申请日:2015-10-28

    申请人: Roquette Frères

    摘要: The invention concerns a method for producing a polyester containing at least one 1,4:3,6-dianhydrohexitol unit comprising: • a step of introducing, into a reactor, monomers comprising at least one monomer (A) that is a diacid or a diester and at least one monomer (B) that is a 1,4:3,6-dianhydrohexitol; • a step of introducing, into the reactor, a catalytic system comprising either a catalyst comprising the element germanium and a catalyst comprising the element aluminium, or a catalyst comprising the elements germanium and aluminium, or a mixture of said two catalysts; • a step of polymerising said monomers to form the polyester; • a step of recovering a polyester composition comprising the polyester and the catalytic system. The invention also concerns a polyester composition containing a catalytic system comprising either a catalyst comprising the element germanium and a catalyst comprising the element aluminium, or a catalyst comprising the elements germanium and aluminium, or a mixture of said two catalysts, and the use of same to reduce the colouring of the polyester.

    摘要翻译: 本发明涉及一种制备含有至少一种1,4:3,6-二脱水己糖醇单元的聚酯的方法,该方法包括:·向反应器中引入包含至少一种单体(A)的单体,所述单体是二酸或 二酯和至少一种为1,4:3,6-二脱水己糖醇的单体(B) ·将包含元素锗的催化剂和包含元素铝的催化剂或包含元素锗和铝的催化剂或所述两种催化剂的混合物的催化剂体系引入反应器的步骤; ·聚合所述单体以形成聚酯的步骤; ·回收包含聚酯和催化体系的聚酯组合物的步骤。 本发明还涉及含有催化体系的聚酯组合物,该催化体系包含含有元素锗的催化剂和含有元素铝的催化剂,或者含有元素锗和铝的催化剂,或者所述两种催化剂的混合物,以及它们的用途 以减少聚酯的着色。