Method of producing 1,2-polybutadiene
    1.
    发明授权
    Method of producing 1,2-polybutadiene 失效
    1,2-聚丁二烯的制备方法

    公开(公告)号:US4153767A

    公开(公告)日:1979-05-08

    申请号:US853904

    申请日:1977-11-22

    IPC分类号: C08F136/06 C08F4/70 C08F36/06

    CPC分类号: C08F136/06

    摘要: Butadiene polymers containing 70% or more of 1,2-structure and a relatively low melting point are produced by polymerizing 1,3-butadiene in the presence of a catalyst which has been prepared by admixing (A) an organic solvent solution containing 1,3-butadiene, a cobalt compound and an organoaluminium compound; (B) an amide compound of the formula (2) or (3): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are respectively an H atom, aliphatic hydrocarbon radical of 1 to 7 carbon atoms or aromatic hydrocarbon radical of 6 or 7 carbon atoms, R.sub.3 is H or an aliphatic hydrocarbon radical of 1 to 3 carbon atoms and n is 2 to 5, and; (C) carbon disulfide.

    摘要翻译: 含有70%以上1,2-结构和较低熔点的丁二烯聚合物是通过在催化剂存在下聚合1,3-丁二烯而制备的,所述催化剂是通过将(A)含有1, 3-丁二烯,钴化合物和有机铝化合物; (B)式(2)或(3)的酰胺化合物:其中R1,R2和R3分别为H原子,1至7个碳原子的脂族烃基 6或7个碳原子的原子或芳族烃基,R3是H或1〜3个碳原子的脂族烃基,n是2〜5, (C)二硫化碳。

    Process for producing syndiotactic-1,2-polybutadiene
    2.
    发明授权
    Process for producing syndiotactic-1,2-polybutadiene 失效
    间规-1,2-聚丁二烯的制备方法

    公开(公告)号:US5677400A

    公开(公告)日:1997-10-14

    申请号:US640629

    申请日:1996-05-01

    IPC分类号: C08F2/18 C08F4/70 C08F136/06

    CPC分类号: C08F136/06

    摘要: In a process for producing syndiotactic-1,2-polybutadiene by suspension polymerization wherein a mixture composed of 1,3-butadiene, a cobalt compound, and an organometallic compound or metal hydride containing a metal of group I, II or III of the periodic table is contacted with an initiator selected from the group consisting of carbon disulfide, phenyl isothiocyanate and xanthogenic compounds in an aqueous medium, the improvement comprising, after the preparation of the mixture, adding thereto an anti gelling agent selected from the group consisting of alcohols, aldehydes, ketones, carboxylic acid esters, nitriles, sulfoxides, amides and phosphoric acid esters, whereby the formation of a rubber-like gelation product in the mixture is inhibited.

    摘要翻译: 在通过悬浮聚合制备间同立构1,2-聚丁二烯的方法中,其中由1,3-丁二烯,钴化合物和有机金属化合物组成的混合物或含有周期表中第I,II或III族金属的金属氢化物 将表与在水性介质中选自二硫化碳,异硫氰酸苯酯和黄原酸化合物的引发剂接触,改进包括在制备混合物之后向其中加入选自以下的抗凝胶剂:醇, 醛,酮,羧酸酯,腈,亚砜,酰胺和磷酸酯,从而抑制混合物中橡胶状凝胶产物的形成。

    Catalyst for producing conjugated diene polymer
    3.
    发明授权
    Catalyst for producing conjugated diene polymer 失效
    用于制备共轭二烯聚合物的催化剂

    公开(公告)号:US6071845A

    公开(公告)日:2000-06-06

    申请号:US761697

    申请日:1996-12-06

    摘要: A catalyst obtained by contacting (A) a compound of a transition metal of the group V of the Periodic Table represented by formula (I):R.sub.n M(O).sub.m X.sub.p .cndot.L.sub.a (I)wherein M represents a transition metal of the group V of the Periodic Table; R represents a cyclopentadienyl group, a substituted cyclopentadienyl group, an indenyl group, a substituted indenyl group, a fluorenyl group or a substituted fluorenyl group; O represents an oxygen atom; X represents a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group, an aryloxy group or an amido group; L represents a Lewis basic compound; n, m, and p each represent an integer selected to make a combination of (n=1, m=1, p=2), (n=1, m=0, p=3), (n=2, m=0, p=1) or (n=1, m=0, p=2); and a represents 0, 1 or 2, and (B) at least one of (B1) an ionic compound comprising a non-coordinating anion and a cation and (B2) an aluminoxane, provided that the component (B) is an ionic compound comprising a non-coordinating anion and a cation (B1) when the combination of n, m, and p of the component (A) is (n=2, m=0, p=1) or (n=1, m=0, p=2).

    摘要翻译: 通过使(A)由式(I)表示的周期表的第V族的过渡金属的化合物:RnM(O)m X pLa(I)与M表示第V族的过渡金属 周期表; R表示环戊二烯基,取代的环戊二烯基,茚基,取代的茚基,芴基或取代的芴基; O表示氧原子; X表示氢原子,卤素原子,碳原子数1〜20的烃基,烷氧基,芳氧基或酰胺基; L代表路易斯碱性化合物; n,m和p各自表示选择以使(n = 1,m = 1,p = 2),(n = 1,m = 0,p = 3),(n = = 0,p = 1)或(n = 1,m = 0,p = 2); 和(B)包含非配位阴离子和阳离子的离子化合物和(B2)铝氧烷中的至少一种,(B)组分(B)是离子化合物 当组分(A)的n,m和p的组合为(n = 2,m = 0,p = 1)或(n = 1,m = 1)时,包含非配位阴离子和阳离子(B1) 0,p = 2)。

    Process for producing polybutadiene
    4.
    发明授权
    Process for producing polybutadiene 失效
    生产聚丁二烯的方法

    公开(公告)号:US5905125A

    公开(公告)日:1999-05-18

    申请号:US882141

    申请日:1997-06-25

    CPC分类号: C08F136/06

    摘要: A high cis-1,4-polybutadiene is produced, with reduced gel formation, by preparing a catalyst from (A) a cobalt compound, (B) a trialkyl (C.sub.1-10) aluminum compound, (C) a halide compound selected from those of formulae (1) and (2): (1) AlR.sup.2.sub.m X.sub.3-m, and (2) R.sup.3 --X, wherein R.sup.2 =C.sub.1-10 hydrocarbon, X=halogen, m=0 to 2, R.sup.3 =C.sub.1-40 hydrocarbon, and (D) water in an amount of 0.77 to 1.45 moles per mole of total Al in components (B) and (C); and polymerizing 1,3-butadiene in the presence of the resultant catalyst in a polymerization medium including an alkane, cycloalkane and/or olefin hydrocarbon.

    摘要翻译: 通过从(A)钴化合物,(B)三烷基(C 1-10)铝化合物制备催化剂,(C)选自以下的卤化物化合物,制备高顺式-1,4-聚丁二烯,其凝胶形成减少: 式(1)和(2)的那些:(1)AlR2mX3-m和(2)R3-X,其中R2 = C1-10烃,X =卤素,m = 0至2,R3 = C1-40烃 和(D)组分(B)和(C)中每摩尔总Al为0.77至1.45摩尔的水; 并在所得催化剂存在下在包含烷烃,环烷烃和/或烯烃的聚合介质中聚合1,3-丁二烯。

    Impact-resistant polystyrene resin composition
    5.
    发明授权
    Impact-resistant polystyrene resin composition 失效
    耐冲击聚苯乙烯树脂组合物

    公开(公告)号:US5981667A

    公开(公告)日:1999-11-09

    申请号:US967495

    申请日:1997-11-11

    摘要: Rubber-modified, impact-resistant polystyrene resin compositions having a well balanced combination of improved properties such as tensile strength and tensile elongation as well as reactivity with styrene monomers, impact resistance, low-temperature properties, and gloss, comprise dispersed particles of a rubber polymer which satisfies the following: (1) the content of the rubber polymer in the compositions is from 1 to 25% by weight; (2) the rubber polymer is a high-cis high-vinyl polybutadiene comprising from 65 to 95% cis-1,4-structures and from 30 to 4% 1,2-structures; and (3) the relationship between the 1,4-structures and 1,2-structures of the rubber polymer is represented by the following expression (A), wherein the value of .beta. is in the range of 1.0

    摘要翻译: 橡胶改性的耐冲击聚苯乙烯树脂组合物具有改进的性能如拉伸强度和拉伸伸长率以及与苯乙烯单体的反应性,耐冲击性,低温性能和光泽的良好平衡组合,包括分散的橡胶颗粒 满足下列条件的聚合物:(1)组合物中橡胶聚合物的含量为1至25重量%; (2)橡胶聚合物是包含65-95%顺式-1,4-结构和30-4%1,2-结构的高顺式高乙烯基聚丁二烯; 和(3)橡胶聚合物的1,4-结构和1,2-结构之间的关系由以下表达式(A)表示,其中β的值在1.0 <β= 1.43的范围内 ; β= P1,2-,1-4 /(2xP1,2xP1,4)(A)其中P1,2表示1,2-结构的含量,P1,4表示1,4-结构的含量,P1 -2,1-4表示所有二单元中1,2-结构/ 1,4-结构二聚体的含量。 另外,橡胶改性的耐冲击聚苯乙烯树脂组合物包含满足(1)和(2)的橡胶聚合物的分散颗粒,以及(5)由以下表达式(C)表示的关系,其中E 拉伸伸长率(%))满足20%

    Polybutadiene having high 1,2 and cis-1,4 microstructure contents
    6.
    发明授权
    Polybutadiene having high 1,2 and cis-1,4 microstructure contents 失效
    聚丁二烯具有高1,2和顺-1,4微结构的含量

    公开(公告)号:US4579920A

    公开(公告)日:1986-04-01

    申请号:US679649

    申请日:1984-12-10

    CPC分类号: C08F136/06

    摘要: A process for producing polybutadiene of a high degree of polymerization having high 1,2 and cis-1,4 microstructure contents and a low trans-1,4 microstructure content, which comprises polymerizing 1,3-butadiene in the presence of a catalyst system composed of(1) a halogen-containing organoaluminum compound,(2) (a) a cobalt dithiocarbamate compound or (b) the reaction product of carbon disulfide, a secondary amine and a cobalt compound, and(3) water.The polybutadiene has for example(A) a 1,2 microstructure content of 7 to 50%,(B) a cis-1,4 microstructure content of at least 50%,(C) a trans-1,4-microstructure content of at most 5%,(D) an inherent viscosity, measured in toluene at 30.degree. C., of at least 1, and(E) a gel content of at most 0.3%.

    摘要翻译: 一种制备高聚合度的聚丁二烯的方法,其具有高的1,2-和顺-1,4微结构含量和低的反-1,4微结构含量,其包括在催化剂体系存在下聚合1,3-丁二烯 由(1)含卤素的有机铝化合物,(2)(a)二硫代氨基甲酸钴化合物或(b)二硫化碳,仲胺和钴化合物的反应产物和(3)水组成。 聚丁二烯具有例如(A)的微观组织含量为7〜50%,(B)顺式-1,4微结构含量为至少50%,(C)反式-1,4-微结构含量为 至多5%,(D)在30℃的甲苯中测定的至少为1的特性粘度,(E)至多0.3%的凝胶含量。

    Conjugated diene compound polymerization catalyst process for the preparation of conjugated diene polymer in the presence thereof and polybutadiene thus prepared
    7.
    发明授权
    Conjugated diene compound polymerization catalyst process for the preparation of conjugated diene polymer in the presence thereof and polybutadiene thus prepared 有权
    在其存在下制备共轭二烯聚合物的共轭二烯化合物聚合催化剂方法和如此制备的聚丁二烯

    公开(公告)号:US06300450B1

    公开(公告)日:2001-10-09

    申请号:US09197085

    申请日:1998-11-19

    IPC分类号: C08F3600

    摘要: The present invention provides a process for the production of a conjugated diene polymer having a controlled microstructure at a high polymerization activity in the presence of a metallocene type complex of compound of transition metal of the group V of the Periodic Table. A novel catalyst is provided comprising (A) a metallocene type complex of a transition metal of the group V of the Periodic Table, (B) an ionic compound of a non-coordinating anion and a cation, (C) an organic metal compound of the groups I to III and (D) water, wherein the molar ratio of (C)/(D) is from 0.66 to 5. A novel process for the production of a conjugated diene polymer is also provided, which comprises the polymerization of a conjugated diene compound in the presence of a catalyst comprising (A) a metallocene type complex of a transition metal of the group V of the Periodic Table, (B) an ionic compound of a non-coordinating anion and a cation, (C) an organic metal compound of the groups I to III and (D) water, wherein the molar ratio of (C)/(D) is from 0.66 to 5.

    摘要翻译: 本发明提供了在元素周期表第V族过渡金属化合物的金属茂型络合物存在下,制备具有高聚合活性的受控微结构的共轭二烯聚合物的方法。 提供一种新型催化剂,其包含(A)周期表第V族过渡金属的金属茂型配合物,(B)非配位阴离子的离子化合物和阳离子,(C)有机金属化合物 组分I至III和(D)水,其中(C)/(D)的摩尔比为0.66至5.还提供了一种制备共轭二烯聚合物的新方法,其包括 (A)元素周期表第V族过渡金属的金属茂型络合物,(B)非配位阴离子的离子化合物和阳离子的催化剂存在下,(C)共轭二烯化合物 I〜III族的有机金属化合物和(D)水,其中(C)/(D)的摩尔比为0.66〜5。

    Process for the preparation of N-(hydroxyphenyl)malemide copolymer
    9.
    发明授权
    Process for the preparation of N-(hydroxyphenyl)malemide copolymer 失效
    N-(羟基苯基)马来酰胺共聚物的制备方法

    公开(公告)号:US4740561A

    公开(公告)日:1988-04-26

    申请号:US946692

    申请日:1986-12-24

    IPC分类号: C08F8/32 C08F8/30

    CPC分类号: C08F8/32

    摘要: A process for the preparation of an N-(hydroxyphenyl)-5 maleimide copolymer having the following repeating units: ##STR1## wherein R.sup.1 is hydrogen, an aryl group, an alkyl group having 1-16 carbon atoms or a cycloalkyl group; R.sup.2 is hydrogen or a lower alkyl group having 1-5 carbon atoms; R.sup.3 is a halogen atom or a lower alkyl group having 1-5 carbon atoms; l, m and n are numbers satisfying conditions of 0.01

    摘要翻译: 制备具有以下重复单元的N-(羟基苯基)-5马来酰亚胺共聚物的方法:其中R 1是氢,芳基, 具有1-16个碳原子的烷基或环烷基; R2是氢或具有1-5个碳原子的低级烷基; R3是卤素原子或具有1-5个碳原子的低级烷基; l,m和n是满足0.01