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    • 20. 发明授权
    • Process for the preparation of copolymers based on carbon monoxide and
at least one compound containing an alkenyl unsaturation
    • 用于制备基于一氧化碳和至少一种含有烯基不饱和化合物的共聚物的方法
    • US5717060A
    • 1998-02-10
    • US741901
    • 1996-10-31
    • Anna SommazziFabio GarbassiGiovanni MestroniBarbara MilaniLidia Vicentini
    • Anna SommazziFabio GarbassiGiovanni MestroniBarbara MilaniLidia Vicentini
    • C08G67/00C08G67/02B01J31/18
    • C08G67/02
    • An improved process is described for the preparation of alternating linear copolymers based on carbon monoxide and at least one compound containing an alkenyl unsaturation which comprises reacting in a liquid solvent under the operating conditions, a mixture of carbon monoxide and one or more compounds containing an alkenyl unsaturation in the presence of: (i) a catalyst having general formula (I) �Pd(chel) (chel') !.sup.++ �A.sup.- !.sub.2 (I) wherein chel and chel' the same or different, represent a nitrogenated or phosphorated bidentate chelating agent, and A.sup.- represents an essentially non-coordinating, non esterifiable and non labile anion of an acid with pKa less than 2; and (ii) a cocatalyst having general formula (II) �chel"H.sup.+ !�A'.sup.- ! (II) wherein A'.sup.-, the same as or different from A.sup.-, has the same meaning defined above and chel" represents a nitrogenated bidentate chelating agent the same as or different from chel and chel'.
    • 描述了一种用于制备基于一氧化碳和至少一种含有烯基不饱和键的化合物的交替线性共聚物的改进方法,该化合物包括在操作条件下在液体溶剂中反应,一氧化碳和一种或多种含有烯基的化合物的混合物 存在下的不饱和度:(i)具有通式(I)[Pd(螯合物)(螯合物)] ++ [A-] 2(I)的催化剂,其中螯合物和螯合物相同或不同,代表氮化 或磷酸二异构螯合剂,A-代表pKa小于2的酸的基本上非配位的,非酯化的和非不稳定的阴离子; 和(ii)具有通式(II)[chel'H +] [A' - ](II)的助催化剂,其中与A相同或不同的A'具有与上述相同的含义,并且“ 表示与螯合物相同或不同的氮化二齿螯合剂。