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    • 6. 发明申请
    • PROCESS FOR PREPARING CONJUGATED DIENE (CO)POLYMERS IN THE PRESENCE OF A CATALYTIC SYSTEM COMPRISING A PYRIDYL IRON (III) COMPLEX
    • 在含有吡啶基铁(III)配合物的催化体系存在下制备共轭二烯(CO)聚合物的方法
    • WO2018073795A1
    • 2018-04-26
    • PCT/IB2017/056525
    • 2017-10-20
    • VERSALIS S.P.A.
    • RICCI, GiovanniPAMPALONI, GuidoSOMMAZZI, AnnaGUELFI, MassimoMASI, Francesco
    • C08F236/06C08F236/08C08F4/70C08L9/00C08F136/06C08F136/08
    • A process for preparing conjugated diene (co)polymers comprising polymerizing at least one conjugated diene in the presence of a catalytic system comprising: (a) at least one pyridyl iron (III) complex having general formula (I) or (II): wherein: - R 1 , R 2 , R 3 and R 4 , identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C 1 -C 20 , preferably C 1 -C 15 , alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; - R 5 represents a hydrogen atom, or is selected from linear or branched, optionally halogenated C 1 -C 20 , preferably C 1 -C 15 , alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; - X, identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine; or are selected from linear or branched C 1 - C 20 , preferably C 1 -C 15 , alkyl groups, -OCOR 6 groups or -OR 6 groups wherein R 6 is selected from linear or branched C 1 -C 20 , preferably C 1 -C 15 , alkyl groups. - n is 3; (b) at least one co-catalyst selected from organo-aluminum derivatives, preferably from: (b 1 ) aluminum compounds having general formula (III): Al(R 7 )(R 8 )(R 9 ) (IIl) wherein R 7 represents a hydrogen atom, or is selected from linear or branched C 1 -C 20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups, alkoxy groups; R 8 and R 9 , identical or different, are selected from linear or branched C 1 -C 20 alkyl groups, cycloalkyl groups, aryl groups, alkyaryl groups, arylalkyl groups; (b 2 ) aluminoxanes having general formula (IV): (R 10 ) 2 -Al-O-[-AI(R 11 )-O-] m -AI-(R 12 ) 2 (IV), wherein R 10 , R 11 and R 12 , identical or different, represent a hydrogen atom, or a halogen atom such as chlorine, bromine, iodine, fluorine; or are selected from linear or branched C 1 -C 20 alkyl groups, cycloalkyl groups, aryl groups, said groups being optionally substituted with one or more silicon or germanium atoms; and m is an integer ranging from 0 to 1000; (b 3 ) partially hydrolyzed organo-aluminum derivatives; (b 4 ) haloaluminum alkyls having general formula (V) or (VI): AI(R 13 ) p (X') 3-p (V) AI 2 (R 13 ) q (X') 3-q (VI) wherein p is 1 or 2; q is an integer ranging from 1 to 5; R 13 , identical or different, are selected from linear or branched C 1 -C 20 alkyl groups; X' represents a chlorine or bromine atom, preferably chlorine; provided that said co-catalyst (b) is not selected from organo-boron derivatives.
    • 一种制备共轭二烯(共)聚合物的方法,包括在催化体系存在下聚合至少一种共轭二烯,所述催化体系包含:(a)至少一种具有通式(I)的吡啶基铁(III) I)或(II)的化合物:其中:-R 1,R 2,R 3和R 4, 相同或不同,表示氢原子; 或选自直链或支链,任选卤代的C 1 -C 20 - ,优选C 1 -C 15 - ,烷基,任选取代的环烷基,任选取代的芳基; -R 5表示氢原子,或选自直链或支链,任选卤代的C 1 -C 20,优选C 1 -C 20烷基, C15-C15烷基,任选取代的环烷基,任选取代的芳基; - X相同或不同,代表卤素原子,例如氯,溴,碘; 或选自直链或支链C 1 -C 20,优选C 1 -C 15烷基 ,-OCOR 6基团或-OR 6基团,其中R 6选自直链或支链C 1 - C 20,优选C 1 -C 15烷基。 - n是3; (b)至少一种选自有机铝衍生物的助催化剂,优选选自:具有通式(III)的(b1)铝化合物:Al(R7) )(R8)(R9)(II1)其中R7代表氢原子或选自直链或支链C10- C 1 -C 20烷基,环烷基,芳基,烷基芳基,芳基烷基,烷氧基; R 8和R 9相同或不同,选自直链或支链的C 1 -C 20烷基 基团,环烷基,芳基,烷芳基,芳烷基; (IV):(R10)2 -Al-O - [ - Al(R