利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

58 条记录 (耗时 0.043 秒)

    Polymerization using late transition metal catalyst complexes formed in situ
    2.
    发明授权
    Polymerization using late transition metal catalyst complexes formed in situ 失效
    使用晚期形成的过渡金属催化剂复合物进行聚合

    公开(公告)号：US06506859B1

    公开(公告)日：2003-01-14

    申请号：US09642487

    申请日：2000-08-18

    申请人： Abhimanyu O. Patil ,  Robert T. Stibrany ,  Stephen Zushma ,  Enock Berluche ,  Donald N. Schulz

    发明人： Abhimanyu O. Patil ,  Robert T. Stibrany ,  Stephen Zushma ,  Enock Berluche ,  Donald N. Schulz

    IPC分类号： C08F442

    CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F210/02 ,  C08F4/54 ,  C08F2500/03 ,  C08F220/12

    摘要： The invention is directed towards the formation of polymers and copolymers using late transition metal polymerization catalyst complexes which are formed in situ. In the first process step of the instant invention, a composition having the formula MXZn is simultaneously contacted with a ligand and an activating cocatalyst. Referring to the formula, M is selected from the group consisting of Cu, Ag, and Au; X is selected from the group consisting of halides, hydride, triflate, acetates, borates, C1 through C12 alkyl, C1 through C12 alkoxy, C3 through C12 cycloalkyl, C3 through C12 cycloalkoxy, aryl, thiolates, carbon monoxide, cyanate, olefins, and any other moiety into which a monomer can insert; Z is selected from the group consisting of halides, hydride, triflate, acetates, borates, C1 through C12 alkyl, C1 through C12 alkoxy, C3 through C12 cycloalkyl, C3 through C12 cycloalkoxy, aryl, thiolates, carbon monoxide, cyanate, olefins, a neutral coordinating ligand, and any other moiety into which a monomer can insert; n equals 0, 1 or 2. In the second process step of the instant invention, olefinic monomers are contacted with the activated catalyst composition under polymerization conditions.

    摘要翻译： 本发明涉及使用在原位形成的后过渡金属聚合催化剂络合物形成聚合物和共聚物。 在本发明的第一工艺步骤中，具有式MXZn的组合物与配体和活化助催化剂同时接触。 参考式，M选自Cu，Ag和Au; X选自卤化物，氢化物，三氟甲磺酸盐，乙酸盐，硼酸盐，C1至C12烷基，C1至C12烷氧基，C3至C12环烷基，C3至C12环烷氧基，芳基，硫醇盐，一氧化碳，氰酸盐，烯烃和 单体可以插入的任何其他部分; Z选自卤化物，氢化物，三氟甲磺酸盐，乙酸盐，硼酸盐，C1至C12烷基，C1至C12烷氧基，C3至C12环烷基，C3至C12环烷氧基，芳基，硫醇盐，一氧化碳，氰酸盐，烯烃， 中性配位配体和单体可插入的任何其它部分; n等于0,1或2.在本发明的第二工艺步骤中，烯烃单体在聚合条件下与活化的催化剂组合物接触。

    Process for production of polymers having increased 1,2-microstructure
    6.
    发明授权
    Process for production of polymers having increased 1,2-microstructure 失效
    具有增加的1,2-微结构的聚合物的生产方法

    公开(公告)号：US4537939A

    公开(公告)日：1985-08-27

    申请号：US617407

    申请日：1984-06-04

    申请人： James E. Hall ,  Donald N. Schulz

    发明人： James E. Hall ,  Donald N. Schulz

    IPC分类号： C08F36/04 ,  C08F4/48

    CPC分类号： C08F36/04

    摘要： A process and catalyst system is disclosed herein for the preparation of (co)polymers having a 1,2-microstructure of between about 20 and about 65 percent. These (co)polymers are prepared in a hydrocarbon or non-polar solvent from a monomer system which contains at least one 1,3-diene monomer. The catalyst system which is employed in the production of the (co)polymer is a combination of an anionic initiator based on lithium and a phosphine oxide modifier which is substituted with three saturated heterocyclic rings, each hetero ring containing one nitrogen atom and either four, five or six carbon atoms.

    摘要翻译： 本文公开了用于制备具有约20至约65％的1,2-微结构的（共）聚合物的方法和催化剂体系。 这些（共）聚合物由含有至少一种1,3-二烯单体的单体体系在烃或非极性溶剂中制备。 用于制备（共）聚合物的催化剂体系是由三价饱和杂环取代的基于锂的阴离子引发剂和氧化膦改性剂的组合，每个杂环含有一个氮原子， 五或六个碳原子。

    Thermally reversible copolymers and process for the preparation thereof
    7.
    发明授权
    Thermally reversible copolymers and process for the preparation thereof 失效
    热可逆共聚物及其制备方法

    公开(公告)号：US4373068A

    公开(公告)日：1983-02-08

    申请号：US303219

    申请日：1981-09-18

    申请人： Binnur Gunesin ,  Gary R. Hamed ,  Jung W. Kang ,  Donald N. Schulz

    发明人： Binnur Gunesin ,  Gary R. Hamed ,  Jung W. Kang ,  Donald N. Schulz

    IPC分类号： C08F8/42 ,  C08F236/04 ,  C08L9/06 ,  C08L33/24

    CPC分类号： C08F236/04 ,  C08F8/42 ,  C08L9/06 ,  C08K3/0016

    摘要： The invention disclosed herein provides a novel thermally reversible copolymer having up to about 11 percent by weight of an N-(alkoxymethyl)acrylamide, a diene-containing synthetic rubber and a metal. The thermally reversible copolymer can be blended with conventional styrene-butadiene rubbers to improve the green strength thereof. Also disclosed herein is a process for improving the green strength of styrene-butadiene rubber which includes the steps of charging a reaction vessel with water, an emulsifier, an initiator, an N-(alkoxymethyl)acrylamide monomer and a vinyl monomer where one is desired, purging the vessel with an inert gas, charging a diene monomer and an activator to the reaction vessel, polymerizing the monomers to form a colymer latex, coagulating the latex with an aqueous metal salt to form a thermally reversible polymer and compounding the thermally reversible polymer with styrene-butadiene rubber.

    摘要翻译： 本文公开的本发明提供了具有高达约11重量％的N-（烷氧基甲基）丙烯酰胺，含二烯的合成橡胶和金属的新型热可逆共聚物。 热可逆共聚物可与常规丁苯橡胶共混以改善其生坯强度。 本文还公开了一种改善苯乙烯 - 丁二烯橡胶的生坯强度的方法，其包括以下步骤：向反应容器中加入水，乳化剂，引发剂，N-（烷氧基甲基）丙烯酰胺单体和乙烯基单体，其中需要一种 用惰性气体吹扫容器，将二烯单体和活化剂装入反应容器中，聚合单体以形成共聚物胶乳，用金属盐水溶液凝结胶乳以形成热可逆聚合物，并将热可逆聚合物 与丁苯橡胶。

    Thermally reversible copolymers and process for the preparation thereof
    8.
    发明授权
    Thermally reversible copolymers and process for the preparation thereof 失效
    热可逆共聚物及其制备方法

    公开(公告)号：US4307210A

    公开(公告)日：1981-12-22

    申请号：US132737

    申请日：1980-03-24

    申请人： Binnur Gunesin ,  Gary R. Hamed ,  Jung W. Kang ,  Donald N. Schulz

    发明人： Binnur Gunesin ,  Gary R. Hamed ,  Jung W. Kang ,  Donald N. Schulz

    IPC分类号： C08F8/42 ,  C08F8/00 ,  C08F8/44

    CPC分类号： C08F8/42

    摘要： The invention disclosed herein provides a novel thermally reversible copolymer having up to about 11 percent by weight of an N-(alkoxymethyl)acrylamide, a diene-containing synthetic rubber and a metal. The thermally reversible copolymer can be blended with conventional styrene-butadiene rubbers to improve the green strength thereof. Also disclosed herein is a process for improving the green strength of styrene-butadiene rubber which includes the steps of charging a reaction vessel with water, an emulsifier, an initiator, an N-(alkoxymethyl)acrylamide monomer and a vinyl monomer where one is desired, purging the vessel with an inert gas, charging a diene monomer and an activator to the reaction vessel, polymerizing the monomers to form a copolymer latex, coagulating the latex with an aqueous metal salt to form a thermally reversible polymer and compounding the thermally reversible polymer with styrene-butadiene rubber.

    摘要翻译： 本文公开的本发明提供了具有高达约11重量％的N-（烷氧基甲基）丙烯酰胺，含二烯的合成橡胶和金属的新型热可逆共聚物。 热可逆共聚物可与常规丁苯橡胶共混以改善其生坯强度。 本文还公开了一种改善苯乙烯 - 丁二烯橡胶的生坯强度的方法，其包括以下步骤：向反应容器中加入水，乳化剂，引发剂，N-（烷氧基甲基）丙烯酰胺单体和乙烯基单体，其中需要一种 用惰性气体吹扫容器，将二烯单体和活化剂装入反应容器中，聚合单体以形成共聚物胶乳，用金属盐水溶液凝结胶乳以形成热可逆聚合物，并将热可逆聚合物 与丁苯橡胶。

    Graft copolymers containing polyoxazoline and polyoxazine, and the preparation thereof
    9.
    发明授权
    Graft copolymers containing polyoxazoline and polyoxazine, and the preparation thereof 失效

    公开(公告)号：US4226956A

    公开(公告)日：1980-10-07

    申请号：US958586

    申请日：1978-11-07

    申请人： Donald N. Schulz ,  Prakash D. Trivedi

    发明人： Donald N. Schulz ,  Prakash D. Trivedi

    IPC分类号： C08G65/16 ,  C08G73/02 ,  C08G73/06 ,  C08G73/00

    CPC分类号： C08G73/06 ,  C08G65/16 ,  C08G73/0233

    摘要： The graft copolymer is the reaction of a backbone polymer having allylic chloride groups therein and monomers forming a pendant graft polymer in the presence of a coinitiator. The monomers have the formula ##STR1## wherein R is an alkyl group having from 1 to 15 carbon atoms, a cycloalkyl group having from 4 to 15 carbon atoms, an aryl group having from 6 to 15 carbon atoms, combinations thereof, or hydrogen. The amount of the pendant graft polymer portion by weight ranges from about 0.5 percent to about 90 percent based upon the total weight of the total graft copolymer with the pendant graft polymer being substituted on the polymer backbone in lieu of the chlorine atom of the allylic chloride group. The backbone polymer is selected from the class consisting of poly(vinyl chloride), polychloroprene, and unsaturated elastomers, the unsaturated elastomers being selected from the class consisting of chlorinated polydienes having repeating units containing from 4 to 12 carbon atoms, polychloroprene, chlorinated butyl rubber, chlorinated EPDM, chlorinated natural rubber, chlorinated styrene-butadiene rubber, and blends thereof.

    Stabilization of polyphosphazene vulcanizates with a metal complex
    10.
    发明授权
    Stabilization of polyphosphazene vulcanizates with a metal complex 失效
    用金属络合物稳定聚磷腈硫化橡胶

    公开(公告)号：US4139523A

    公开(公告)日：1979-02-13

    申请号：US900833

    申请日：1978-04-28

    申请人： Delmar F. Lohr, Jr. ,  Russell W. Koch ,  Donald N. Schulz

    发明人： Delmar F. Lohr, Jr. ,  Russell W. Koch ,  Donald N. Schulz

    IPC分类号： C08L85/00 ,  C08K5/35 ,  C08L85/02 ,  C08K5/29

    CPC分类号： C08L85/02

    摘要： When polyphosphazenes are exposed to elevated temperatures, their physical properties often deteriorate. The addition of a stabilizing compound represented by the structure: ##STR1## wherein W is --CRR'-CRR'-- or ##STR2## AND WHEREIN R and R' are selected from the group consisting of hydrogen, alkyl, cycloalkyl, acyl or a mixture thereof, and M is zinc or magnesium; to polyphosphazene rubbers result in improved retention of the physical properties of such polyphosphazenes. Further, the use of additives of this type does not adversely affect the ability of peroxy compounds to cure the polyphosphazenes to form vulcanizates.Especially useful compounds represented by the above structural formula are zinc or magnesium 1,2-bis(2-oxybenzylideneamino)ethylene.

    摘要翻译： {PG，1当聚磷腈暴露于升高的温度时，它们的物理性能常常恶化。 加入由以下结构表示的稳定化合物：{r1 {tc，1 {rb {rd，335588bbdd00 {b1，55 {501 {a，3 {m，1 {a，4 {bn，55 {sd， s，5 O {S，4 {AB，4444 {S，4 M {S，4 {AB，4444 {S，4 O {US，12 {BN，33 {RD，00335588BBDD {BL，33 {501 {A ，2 {BN，D {MR，1 {BN，3 {US，1 {S，5CH {AD，3 N {M，1 {SD，6 {LS，666F {A，2 {LS，D {MR ，1 {AB，333W {AB，555 {M，1 {SD，6 {SB，6 {LS，AAA1 {A，2 {LS，3 {MR，1 N {AD，5CH {RE {PS { PS，其中W是{13 CRR {40-CRR {40 {13 {0或{r1 {tc，1 {rb {bn，3 {rd，ff11447799cc {b1，11 {501 {a，6 {bn，5 {a ，5 {b1，4 {sd，5; {re {PS {PS和WHEREIN R和R {40 {0选自氢，烷基，环烷基，酰基或其混合物，M是锌或 镁; 对聚磷腈橡胶导致改善这种聚磷腈的物理性能的保留。 此外，使用这种添加剂不会不利地影响过氧化合物固化聚磷腈形成硫化橡胶的能力。