[EN] NITROGEN TITANIUM COMPLEX, CATALYTIC SYSTEM COMPRISING SAID NITROGEN TITANIUM COMPLEX AND PROCESS FOR THE (CO)POLYMERIZATION OF CONJUGATED DIENES<br/>[FR] COMPLEXE D'AZOTE TITANE, SYSTÈME CATALYTIQUE COMPRENANT LEDIT COMPLEXE D'AZOTE TITANE ET PROCÉDÉ DE (CO)POLYMÉRISATION DE DIÈNES CONJUGUÉS
申请人:VERSALIS SPA
公开号:WO2017017203A1
公开(公告)日:2017-02-02
Nitrogen titanium complex having general formula (I) or (II), wherein: - R1 represents a hydrogen atom; or is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; - R2, R3, R4 and R5, identical or different, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted, nitro groups, hydroxyl groups, amino groups; - Y represents a NH-R6 group wherein R6 represents a hydrogen atom, or is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; or a N-R7 group wherein R7 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; - X1, X 2, X 3 and X 4, identical or different, represent a halogen atom, such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1 -C20 alkyl groups, preferably C1-C15, -OCOR8 or -OR8 groups wherein R8 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15; or one of X1, X2 and X3 is selected from ethers, such as,for example, diethylether, tetrahydrofuran (THF), dimethoxyethane, preferably tetrahydrofuran (THF); - n is 1 in the case wherein Y represents a NH-R6 group wherein R6 has the same meanings reported above; or is 0 in the case wherein Y represents a N-R7 group wherein R7 has the same meanings reported above, or in the case wherein one of X1, X2 and X3 is selected from ethers; - R'1, R' 2, R'3, R'4, R'5, R'6 and R'7, identical or different, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; - X'1 and X'2, identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, -OCOR'8 groups or -OR'8 groups wherein R' 8 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15; - Y' is selected from ethers such as, for example,diethylether, tetrahydrofuran (THF), dimethoxyethane, preferably is tetrahydrofuran (THF); or Y' represents a group having general formula (III), wherein R'1, R' 2, R'3, R'4, R'5, R'6 and R'7, have the same meanings as reported above; - m is 0 or 1. Said nitrogen titanium complex having general formula (I) or (II) can be advantageously used in a catalytic system for the (co)polymerization of conjugated dienes.
氮钛配合物的一般化学式为(I)或(II),其中:- R1代表氢原子;或者选自线性或支链的C1-C20烷基,优选C1-C15,可选择卤代,环烷基可选择取代,芳基可选择取代;- R2、R3、R4和R5,相同或不同,代表氢原子;或选自线性或支链的C1-C20烷基,优选C1-C15,可选择卤代,环烷基可选择取代,芳基可选择取代,硝基,羟基,氨基;- Y代表NH-R6基团,其中R6代表氢原子,或选自线性或支链的C1-C20烷基,优选C1-C15,可选择卤代,环烷基可选择取代,芳基可选择取代;或N-R7基团,其中R7选自线性或支链的C1-C20烷基,优选C1-C15,可选择卤代,环烷基可选择取代,芳基可选择取代;- X1、X2、X3和X4,相同或不同,代表卤素原子,例如氯、溴、碘,优选氯;或选自线性或支链的C1-C20烷基,优选C1-C15,-OCOR8或-OR8基团,其中R8选自线性或支链的C1-C20烷基,优选C1-C15;或X1、X2和X3中的一个选自醚类化合物,例如二乙醚、四氢呋喃(THF)、二甲氧基乙烷,优选四氢呋喃(THF);- n在Y代表NH-R6基团的情况下为1,其中R6具有上述相同含义;或在Y代表N-R7基团的情况下为0,其中R7具有上述相同含义,或在X1、X2和X3中的一个选自醚类化合物的情况下为0;- R'1、R'2、R'3、R'4、R'5、R'6和R'7,相同或不同,代表氢原子;或选自线性或支链的C1-C20烷基,优选C1-C15,可选择卤代,环烷基可选择取代,芳基可选择取代;- X'1和X'2,相同或不同,代表卤素原子,例如氯、溴、碘,优选氯;或选自线性或支链的C1-C20烷基,优选C1-C15,-OCOR'8基团或-OR'8基团,其中R'8选自线性或支链的C1-C20烷基,优选C1-C15;- Y'选自醚类化合物,例如二乙醚、四氢呋喃(THF)、二甲氧基乙烷,优选四氢呋喃(THF);或Y'代表具有一般化学式(III)的基团,其中R'1、R'2、R'3、R'4、R'5、R'6和R'7具有上述相同含义;- m为0或1。具有一般化学式(I)或(II)的氮钛配合物可优势地用于共轭二烯的催化系统中的(共)聚合。