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    • 14. 发明申请
      US20190270832A1 PROCESS FOR PREPARING CONJUGATED DIENE (CO)POLYMERS IN THE PRESENCE OF A CATALYTIC SYSTEM COMPRISING A PYRIDYL IRON (III) COMPLEX 审中-公开
    • PROCESS FOR PREPARING CONJUGATED DIENE (CO)POLYMERS IN THE PRESENCE OF A CATALYTIC SYSTEM COMPRISING A PYRIDYL IRON (III) COMPLEX
    • US20190270832A1
    • 2019-09-05
    • US16343716
    • 2017-10-20
    • Versalis S.p.A.
    • Giovanni RICCI , Guido PAMPALONI , Anna SOMMAZZI , Massimo GUELFI , Francesco MASI
    • C08F36/06 , C07F15/02 , C08F36/08
    • 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: —R1, R2, R3 and R4, identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; —R5 represents a hydrogen atom, or is selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, 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 C1-C20, preferably C1-C15, alkyl groups, —OCOR6 groups or —OR6 groups wherein R6 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups. —n is 3; (b) at least one co-catalyst selected from organo-aluminum derivatives, preferably from: (b1) aluminum compounds having general formula (III): Al(R7)(R8)(R9) (IIl) wherein R7 represents a hydrogen atom, or is selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups, alkoxy groups; R8 and R9, identical or different, are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups; (b2) aluminoxanes having general formula (IV): (R10)2—Al—O—[-AI(R11)—O-]m-AI-(R12)2 (IV), wherein R10, R11 and R12, identical or different, represent a hydrogen atom, or a halogen atom such as chlorine, bromine, iodine, fluorine; or are selected from linear or branched C1-C20 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; (b3) partially hydrolyzed organo-aluminum derivatives; (b4) haloaluminum alkyls having general formula (V) or (VI): AI(R13)p(X′)3-p (V) AI2(R13)q(X′)3-q (VI) wherein p is 1 or 2; q is an integer ranging from 1 to 5; R13, identical or different, are selected from linear or branched C1-C20 alkyl groups; X′ represents a chlorine or bromine atom, preferably chlorine; provided that said co-catalyst (b) is not selected from organo-boron derivatives.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 17. 发明授权
      US09534071B2 Process for the preparation of functionalized and branched elastomeric copolymers and use thereof in vulcanizable elastomeric compositions 有权
    • Process for the preparation of functionalized and branched elastomeric copolymers and use thereof in vulcanizable elastomeric compositions
    • 用于制备官能化和支化弹性体共聚物的方法及其在可硫化弹性体组合物中的用途
    • US09534071B2
    • 2017-01-03
    • US14404703
    • 2013-06-10
    • Versalis S.P.A.
    • Luca Soddu
    • C08F236/10 , C08C19/44 , C08L15/00 , C08L9/00 , C08L9/06 , C08K3/04 , C08K3/36 , C08F212/08
    • C08F236/10 , C08C19/44 , C08F212/08 , C08F2810/40 , C08K3/04 , C08K3/36 , C08L9/00 , C08L9/06 , C08L15/00 , C08L81/04 , C08L91/00 , C08F4/08
    • A process for the preparation of a functionalized and branched elastomeric copolymer comprising the following steps: (a) anionic copolymerization of at least one conjugated diene monomer and at least one vinyl arene, in the presence of at least one hydrocarbon solvent, of at least one lithium-based initiator, and of at least one polar modifier, obtaining a solution comprising an elastomeric copolymer; (b) reacting at least 10% by weight, preferably from 20% by weight to 100 % by weight, of the polymeric chains present in the elastomeric copolymer obtained in step (a) with at least one compound having at least one functional group selected from: epoxides, ketones, esters, aldehydes, obtaining a solution comprising a functionalized elastomeric copolymer; (c) adding a quantity of lithium-based initiator to the solution obtained in step (b), from 1 to 4 times, preferably from 1.5 to 3 times, the molar quantity of lithium-based initiator used in step (a) and a compound of bromine having general formula (I): R—Br (I) wherein R represents a linear or branched C1-C30, preferably C2-C10, alkyl group, a C3-C30, preferably C4-C10, cycloalkyl group, a C6-C30, preferably C6-C12, aryl group.
    • 一种制备官能化和支化的弹性体共聚物的方法，包括以下步骤：（a）至少一种共轭二烯单体和至少一种乙烯基芳烃在至少一种烃溶剂的存在下至少一种 锂基引发剂和至少一种极性改性剂，得到包含弹性体共聚物的溶液; （b）使在步骤（a）中获得的弹性体共聚物中存在的至少一种具有至少一个官能团的化合物选自至少10重量％，优选20重量％至100重量％的聚合物链 从：环氧化物，酮，酯，醛，得到包含官能化弹性体共聚物的溶液; （c）在步骤（b）中获得的溶液中加入一定量的锂基引发剂，为步骤（a）中使用的锂基引发剂的摩尔量和a（a）的摩尔量的1至4倍，优选1.5至3倍 具有通式（I）的溴化合物：R-Br（I）其中R表示直链或支链C 1 -C 30，优选C 2 -C 10烷基，C 3 -C 30，优选C 4 -C 10环烷基，C 6 -C30，优选C6-C12，芳基。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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