公开(公告)号：US5571872A

公开(公告)日：1996-11-05

申请号：US589031

申请日：1996-01-19

申请人： Eberhard Esselborn ,  Jurgen Fock

发明人： Eberhard Esselborn ,  Jurgen Fock

IPC分类号： C08F2/42 ,  C08F8/14 ,  C08F8/30 ,  C08F20/10 ,  C08F20/12

CPC分类号： C08F8/14 ,  C08F8/30 ,  C08F2810/30 ,  C08F2810/40

摘要： Novel polymethacrylate esters are prepared; the ester groups of which in the .alpha. and optionally also in .omega. the position differ from the ester groups in the chain. The invention furthermore relates to a method for the synthesis of these compounds by transesterification under selected method conditions.

摘要翻译： 制备新型聚甲基丙烯酸酯; 其中α基团的酯基和任选的ω位置与链中的酯基不同。 本发明还涉及通过在选择的方法条件下酯交换合成这些化合物的方法。

公开(公告)号：US5557021A

公开(公告)日：1996-09-17

申请号：US512556

申请日：1995-08-08

申请人： Hans-Joachim Mueller ,  Kaspar Evertz ,  Siegfried Weber ,  Guido Funk ,  Rainer Konrad ,  Roland Saive

发明人： Hans-Joachim Mueller ,  Kaspar Evertz ,  Siegfried Weber ,  Guido Funk ,  Rainer Konrad ,  Roland Saive

IPC分类号： C08F2/42 ,  C08F4/00 ,  C08F4/02 ,  C08F4/06 ,  C08F4/22 ,  C08F4/24 ,  C08F10/00 ,  C08F10/02 ,  C07C2/24

CPC分类号： C08F10/00

摘要： A novel Phillips catalyst for the copolymerization of ethylene with .alpha.-olefins, contains, as a catalytically active component, a finely divided, aluminum silicate-supported, phosphorus-containing chromium catalyst. This can be prepared by applying at least one organic phosphorus(III), (IV) and/or (V) compound and at least one chromium(III) compound which does not react with said phosphorus compounds under the reaction conditions used, in succcession in any order or simultaneously, to a finely divided aluminum silicate hydrogel or xerogel with formation of a catalyst intermediate and activating the catalyst intermediate at elevated temperatures in an oxidizing atmosphere, with the result that the chromium catalyst is formed. The novel Phillips catalyst gives ethylene/.alpha.-olefin copolymers in which the comonomers are more uniformly distributed over the copolymer chains than is the case with ethylene/.alpha.-olefin copolymers which have been prepared with the aid of conventional Phillips catalysts. Moldings which have been produced from the ethylene/.alpha.-olefin copolymers obtained in the novel procedure have a particularly high environmental stress cracking resistance and an excellent creep rupture strength.

摘要翻译： 用于乙烯与α-烯烃共聚的新颖的菲利普斯催化剂包含作为催化活性组分的细碎的含硅酸铝载体的含磷的铬催化剂。 这可以通过在所用的反应条件下施用至少一种不与所述磷化合物反应的有机磷（III），（IV）和/或（V）化合物和至少一种铬（III）化合物来制备， 以任何顺序或同时的方式，在形成催化剂中间体的细分的硅酸铝水凝胶或干凝胶中，并在氧化气氛中在高温下活化催化剂中间体，结果形成铬催化剂。 新型菲利普斯催化剂提供了乙烯/α-烯烃共聚物，其中共聚单体比共聚物链更均匀地分布在使用常规菲利普斯催化剂制备的乙烯/α-烯烃共聚物的情况下。 由新方法得到的乙烯/α-烯烃共聚物制成的成型品具有特别高的耐环境应力开裂性和优异的抗蠕变断裂强度。

公开(公告)号：US5371151A

公开(公告)日：1994-12-06

申请号：US104957

申请日：1993-08-09

申请人： Charles T. Berge ,  Michael J. Darmon ,  Joseph A. Antonelli

发明人： Charles T. Berge ,  Michael J. Darmon ,  Joseph A. Antonelli

IPC分类号： C08F2/16 ,  C08F2/18 ,  C08F2/38 ,  C08F2/42 ,  C08F20/18 ,  C08F220/10 ,  C09D157/00 ,  C08C19/22

CPC分类号： C08F2/38

摘要： A curable composition comprising a crosslinkable copolymer, wherein the copolymer is the free radical polymerization product of a mixture of monomers in the presence of a terminally unsaturated oligomeric chain transfer catalyst. Such compositions have advantageous properties when used in a variety of products including high performance coatings.

摘要翻译： 一种包含可交联共聚物的可固化组合物，其中所述共聚物是在末端不饱和低聚链转移催化剂存在下单体混合物的自由基聚合产物。 当用于包括高性能涂料的各种产品时，这种组合物具有有利的性质。

公开(公告)号：US5206307A

公开(公告)日：1993-04-27

申请号：US907349

申请日：1992-07-01

申请人： Linda Rae Chamberlain ,  Carma J. Gibler

发明人： Linda Rae Chamberlain ,  Carma J. Gibler

IPC分类号： C08C19/02 ,  C08F2/42 ,  C08F8/04 ,  C08F36/04

CPC分类号： C08F8/04 ,  C08C19/02 ,  C08F36/04

摘要： This is an improved process for the hydrogenation of conjugated diolefin polymers which comprises polymerizing or copolymerizing at least one conjugated diolefin with an organo alkali metal polymerization initiator in a suitable solvent thereby creating a living polymer, terminating the polymerization by the addition of hydrogen and effecting selective hydrogenation of the unsaturated double bonds in the conjugated diolefin units of the terminated polymer by contacting the polymer, in the absence of hydrocarbon lithium and alkoxy lithium compounds, with hydrogen in the presence of at least one bis(cyclopentadienyl)titanium compound. The improvement is the use of an alkyl benzoate as a promoter in the hydrogenation step.

公开(公告)号：US5171809A

公开(公告)日：1992-12-15

申请号：US421897

申请日：1989-10-16

申请人： Terrence K. Hilty ,  Anthony Revis ,  Howard M. Bank ,  David P. Jones

发明人： Terrence K. Hilty ,  Anthony Revis ,  Howard M. Bank ,  David P. Jones

IPC分类号： C08F2/42 ,  C08F4/42 ,  C08F30/08 ,  C08L67/06

CPC分类号： C08F30/08 ,  C08L67/06

摘要： Novel silicone acrylate polymers and a method for their preparation is disclosed. These polymers are formed from silicone acrylates, silicone diacrylates, or mixtures with organic acrylates. The copolymer formed from the reaction mixture of silicone acrylates and organic acrylates is useful in enhancing glass reinforced polyesters.

公开(公告)号：US4915873A

公开(公告)日：1990-04-10

申请号：US172048

申请日：1988-03-22

申请人： Gerald J. Abruscato ,  Paul E. Stott

发明人： Gerald J. Abruscato ,  Paul E. Stott

IPC分类号： C08K5/01 ,  C07C7/20 ,  C08F2/00 ,  C08F2/38 ,  C08F2/42 ,  C08F112/08 ,  C08K5/17 ,  C08K5/18 ,  C08K5/36 ,  C08K5/46 ,  C08L25/04 ,  C09K15/30

CPC分类号： C07C7/20 ,  C09K15/30

摘要： Vinyl aromatic compounds are stabilized against polymerization by the addition of an effective amount of a polymerization inhibition composition comprising (a) a phenothiazine compound; and (b) an aryl-substituted phenylenediamine compound. In other aspects, this invention is directed to a vinyl aromatic composition stabilized against polymerization by such polymerization inhibitor composition, as well as to a method of stabilizing a vinyl aromatic composition against polymerization which method comprises adding an effective amount of such polymerization inhibitor composition.

摘要翻译： 乙烯基芳族化合物通过加入有效量的聚合抑制组合物而稳定，防止聚合，所述聚合抑制组合物包含（a）吩噻嗪化合物; 和（b）芳基取代的苯二胺化合物。 在其它方面，本发明涉及一种通过这种阻聚剂组合物稳定防止聚合的乙烯基芳族组合物，以及一种使乙烯基芳族组合物与聚合反应稳定的方法，该方法包括加入有效量的这种聚合抑制剂组合物。

公开(公告)号：US4786687A

公开(公告)日：1988-11-22

申请号：US854327

申请日：1986-04-21

申请人： Akira Sano ,  Masataka Oka ,  Tetsujirou Kuroishi ,  Kazuo Matsuura

发明人： Akira Sano ,  Masataka Oka ,  Tetsujirou Kuroishi ,  Kazuo Matsuura

IPC分类号： C08L23/00 ,  B29C45/00 ,  B29K23/00 ,  C08F2/38 ,  C08F2/40 ,  C08F2/42 ,  C08F4/60 ,  C08F4/634 ,  C08F4/64 ,  C08F8/00 ,  C08F10/00 ,  C08F10/02 ,  C08F255/00 ,  C08F255/02 ,  C08L7/00 ,  C08L21/00 ,  C08L23/06 ,  C08L101/00 ,  C08L23/04

CPC分类号： C08F10/02 ,  Y10S526/903 ,  Y10S526/905

摘要： A molding composition is disclosed which comprises ultrahigh molecular weight polyethylene having an intrinsic viscosity of 10-30 dl/g at 135.degree. C. in decalin. Improved injection moldability is provided by the use of such polyethylene obtainable by a multi-stage polymerization reaction including at least the following two stages: (a) a first stage in which ethylene is polymerized using a specified composite catalyst in the absence of hydrogen of its presence at lower concentration to produce 50-99.5 weight parts of polyethylene having an intrinsic viscosity of 12-32 dl/g at 135.degree. C. in decalin; and (b) a second stage in which a fresh feed of ethylene is polymerized in the presence of hydrogen at higher concentration to produce 50-0.5 weight parts of polyethylene having an intrinsic viscosity of 0.1-5 dl/g at 135.degree. C. in decalin.

摘要翻译： 公开了一种模塑组合物，其包含在135℃下在十氢化萘中特性粘度为10-30dl / g的超高分子量聚乙烯。 通过使用可通过多阶段聚合反应获得的这种聚乙烯（其至少包括以下两个阶段）来提供注塑成型性：（a）在不存在氢的情况下使用特定的复合催化剂使乙烯聚合的第一阶段 在135℃下在十氢化萘中生产50-99.5重量份的特性粘度为12-32dl / g的聚乙烯; 和（b）第二阶段，其中在更高浓度的氢存在下聚合乙烯的新鲜进料以在135℃下产生特性粘度为0.1-5dl / g的50-0.5重量份的聚乙烯 十氢化萘

公开(公告)号：US4777229A

公开(公告)日：1988-10-11

申请号：US95689

申请日：1987-09-14

申请人： Vaclav G. Zboril ,  Ronald A. Zelonka

发明人： Vaclav G. Zboril ,  Ronald A. Zelonka

IPC分类号： C08F2/06 ,  C08F2/42 ,  C08F10/00 ,  C08F210/16 ,  C08F10/02

CPC分类号： C08F2/06 ,  C08F10/00 ,  C08F210/16

摘要： A solution polymerization process for the preparation of high molecular weight polymers selected from the group consisting of homopolymers of ethylene and copolymers of ethylene and butene-1 is disclosed. The process comprises feeding monomer(s), coordination catalyst and inert hydrocarbon solvent to a reactor, polymerizing the monomers at a temperature of up to 320.degree. C. and a pressure of less than 25 MPa, and deactivating the catalyst in the solution so obtained. The catalyst is deactivated by sequentially admixing therewith a minor amount of dimethyl carbonate followed by a solution of a salt of an alkaline earth metal or zinc and an aliphatic monocarboxylic acid dissolved in hydrocarbon solvent. The hydrocarbon solvent and other volatile matter are then separated from the resultant solution and a composition comprising the high molecular weight polymer is recovered. The amount of dimethyl carbonate is not more than 2.5 moles, per mole of halogen plus alkyl radicals in the coordination catalyst.

摘要翻译： 公开了用于制备选自乙烯均聚物和乙烯和丁烯-1的共聚物的高分子量聚合物的溶液聚合方法。 该方法包括将单体，配位催化剂和惰性烃溶剂进料到反应器中，在高达320℃的温度和小于25MPa的压力下使单体聚合，并使所得溶液中的催化剂失活 。 通过依次与少量的碳酸二甲酯混合，然后将碱土金属或锌的盐和溶解在烃溶剂中的脂肪族单羧酸的溶液依次混合，使催化剂失活。 然后将烃溶剂和其它挥发性物质与所得溶液分离，并回收包含高分子量聚合物的组合物。 在配位催化剂中，每摩尔卤素加上烷基，碳酸二甲酯的量不超过2.5摩尔。

公开(公告)号：US4774302A

公开(公告)日：1988-09-27

申请号：US25053

申请日：1987-03-12

申请人： Haruyoshi Tatsu ,  Jun Okabe ,  Akihiro Naraki ,  Masatoshi Abe ,  Yoshiaki Ebina

发明人： Haruyoshi Tatsu ,  Jun Okabe ,  Akihiro Naraki ,  Masatoshi Abe ,  Yoshiaki Ebina

IPC分类号： C08F2/42 ,  C08F2/38 ,  C08F2/44 ,  C08F14/18 ,  C08F14/20 ,  C08F14/22 ,  C08F14/26 ,  C08F14/28 ,  C08F16/14 ,  C08F16/24 ,  C08J3/24 ,  C08K5/04 ,  C08K5/14 ,  C08L27/10 ,  C08F2/00 ,  C08F8/18

CPC分类号： C08F14/18

摘要： A peroxide-vulcanizable, fluorine-containing elastomer having distinguished processability, vulcanization characteristics and physical properties of vulcanized products can be obtained by polymerization of fluorine-containing olefins having 2 to 8 carbon atoms in the presence of a bromine or iodine-containing aromatic or perfluoroaromatic compound, polysubstituted with (1) bromine atoms or bromoalkyl groups (2) iodine atoms or iodoalkyl groups.

摘要翻译： 通过在溴或含碘的芳香族或全氟芳香族的存在下聚合具有2〜8个碳原子的含氟烯烃，可以得到硫化产物具有显着加工性，硫化特性和物理性能的过氧化物可硫化的含氟弹性体 用（1）溴原子或溴烷基（2）碘原子或碘代烷基多取代的化合物。

公开(公告)号：US4748218A

公开(公告)日：1988-05-31

申请号：US728549

申请日：1985-04-29

申请人： Zaev Sharaby

发明人： Zaev Sharaby

IPC分类号： C08F2/38 ,  C08F2/42 ,  C08F14/06 ,  C08K5/13 ,  C08F2/02 ,  C08F2/18 ,  C08F114/06

CPC分类号： C08F14/06 ,  C08F2/42 ,  C08K5/13

摘要： It has been found that substituted hydroquinones function as a shortstop agent in the polymerization of vinyl monomers. The substituted hydroquinones have the formula: ##STR1## wherein ##STR2## wherein p is 1 or 2 and q is 0 or 1; provided that p+q=1 or 2. The groups R.sub.1, R.sub.2, R.sub.3, R.sub.4, Z and W are defined hereafter.The compounds 2,5-di-t-amylhydroquinone and 2,5-di-t-butylhydroquinone are particularly desirable as shortstop agents in the polymerization of vinyl chloride.

摘要翻译： 已经发现取代的氢醌在乙烯基单体的聚合中用作快速阻燃剂。 取代的氢醌具有下式：其中其中p为1或2且q为0或1; 条件是p + q = 1或2.下面定义基团R1，R2，R3，R4，Z和W. 化合物2,5-二叔戊基氢醌和2,5-二叔丁基对苯二酚是氯乙烯聚合中的快速阻燃剂特别理想的。