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1. 发明公开

US20240270879A1 CATALYST FOR COPOLYMERIZATION OF ETHYLENE AND METHYL METHACRYLATE, AND APPLICATION THEREOF 审中-公开
公开(公告)号：US20240270879A1
公开(公告)日：2024-08-15
申请号：US18617270
申请日：2024-03-26
申请人： PetroChina Company Limited
发明人： Qian CHEN , Danfeng ZHANG , Jincheng LIU , Maoyu ZHAO , Meng GAO , Jian CUI , Xianming XU , Ben NIU , Wenpeng LI , Yonggang JI
IPC分类号： C08F4/70 , C08F2/06 , C08F4/602 , C08F210/02 , C08F220/14
CPC分类号： C08F4/7098 , C08F2/06 , C08F4/6028 , C08F4/7083 , C08F210/02 , C08F220/14 , C08F2400/04 , C08F2410/04
摘要： The present application provides a catalyst for copolymerization of ethylene and methyl methacrylate and an application thereof. The catalyst includes a main catalyst, and the main catalyst is obtained by compounding a compound of formula (I) and a compound of formula (II); a mole ratio of the compound of formula (I) to the compound of formula (II) is (1:49) to (49:1). The catalyst has an excellent catalytic activity, and a copolymer of ethylene and methyl methacrylate with a high molecular weight can be obtained, with a weight average molecular weight of not less than 1×105 g/mol.

2. 发明公开

US20230192912A1 CATALYTIC SYSTEM AND USE THEREOF, AND PREPARATION METHOD OF SYNDIOTACTIC 1,2-POLYBUTADIENE (s-PB) 审中-公开
公开(公告)号：US20230192912A1
公开(公告)日：2023-06-22
申请号：US18080175
申请日：2022-12-13
申请人： Qingdao University of Science & Technology
发明人： Chunyu Zhang , Lihua Na , Qi Yang , Heng Liu , Xuequan Zhang
IPC分类号： C08F4/70 , C08F4/04 , C08F4/602 , C08F36/06 , C08F136/06
CPC分类号： C08F4/70 , C08F4/04 , C08F4/602 , C08F36/06 , C08F136/06
摘要： The present disclosure relates to the technical field of preparation of syndiotactic 1,2-polybutadiene (s-PB), in particular to a catalytic system and use thereof, and a preparation method of s-PB. In the present disclosure, the catalytic system includes an iron-containing organic compound, an azodicyano compound, an organoaluminum compound, and a free radical scavenger; where an iron element in the iron-containing organic compound, the azodicyano compound, the organoaluminum compound, and the free radical scavenger have a molar ratio of 1:(0.5-10):(5-100):(1-1000); and the free radical scavenger is selected from the group consisting of a sterically hindered phenol, a sterically hindered amine, and a phosphorus-containing antioxidant. The catalytic system can prepare the s-PB with a high activity at a high temperature, and the s-PB has a melting point of 60° C. to 130° C. with an extremely low gel content or even no gelation.

3. 发明授权

US10711075B2 Method of preparing rubber composition including syndiotactic 1,2-polybutadiene 有权
公开(公告)号：US10711075B2
公开(公告)日：2020-07-14
申请号：US16033810
申请日：2018-07-12
申请人： Korea Kumho Petrochemical Co., Ltd.
发明人： Jae Yun Kim , Yeong Min Jung
IPC分类号： C08F2/60 , C08F36/06 , C08F36/08 , C08F36/04 , C08F4/602 , C08F4/609 , C08L9/00 , B60C1/00 , C08F4/12 , C08F236/06 , C08L51/04 , C08L7/00 , C08F4/70 , C08F279/02 , C08F4/54 , C08F2/00 , C08F2/06
摘要： Provided is a method of preparing a rubber composition, which includes (a) reacting a conjugated diene-based monomer with one or more of compounds in the presence of a first catalyst; (b) adding a conjugated diene-based monomer to a product of the step (a) and inducing a reaction; and (c) adding a second catalyst and a conjugated diene-based monomer to a product of the step (b) and inducing a reaction.

4. 发明申请

US20190308181A1 Mixed Catalyst Systems Containing Iron Tridentate Carbenes and Methods for Making Polymer Products Using Same 审中-公开
公开(公告)号：US20190308181A1
公开(公告)日：2019-10-10
申请号：US16372784
申请日：2019-04-02
申请人： ExxonMobil Chemical Patents Inc.
发明人： Matthew W. Holtcamp , Subramaniam Kuppuswamy , Matthew S. Bedoya
IPC分类号： B01J31/22 , C08F4/60 , C08F210/02 , C08F4/02 , C08F4/602 , C08F210/16 , B01J31/18
摘要： Disclosed herein are mixed catalyst systems including iron-containing catalyst compounds having a carbene ligand and another catalyst compound, as well as at least one activator. The iron-containing catalyst compounds can be asymmetric, while the other catalyst compound can be symmetric. In some embodiments, the other catalyst compound can be an iron-containing catalyst with a bisiminopyridyl ligand, which does not typically incorporate comonomers in copolymer synthesis. Processes for production of an ethylene alpha-olefin copolymers using these mixed catalyst systems are also disclosed. Ethylene-alpha-olefin copolymers so formed can have at least a portion of their alpha-olefin comonomer distribution increasing with increasing molecular weight, indication orthogonal compositional distribution.

5. 发明申请

US20170015766A1 POLYBUTADIENE 有权
公开(公告)号：US20170015766A1
公开(公告)日：2017-01-19
申请号：US15300766
申请日：2015-02-19
申请人： UBE INDUSTRIES, LTD.
发明人： Mitsuharu AMBE , Yuuto KANOU , Takeshi SHODA
IPC分类号： C08F136/06 , C08F4/602
CPC分类号： C08F136/06 , C08F4/6022 , C08F4/70 , C08F36/06 , C08F4/7096
摘要： The present invention provides a polybutadiene having improved workability and abrasion resistance. A polybutadiene according to the present invention has: (A) a Mooney viscosity (ML1+4,100° C.) being 43 or more; (B) a ratio (Tcp/ML1+4,100° C.) of 5 wt % toluene solution viscosity (Tcp) to Mooney viscosity (ML1+4,100° C.) being 0.9 to 2.3; (C) a stress relaxation time (T80) being 10.0 to 40.0 seconds, which is a time until a torque is attenuated by 80% when the torque at the end of ML1+4,100° C.measurement is 100%; and (D) a molecular weight distribution (Mw/Mn) being 2.50 to 4.00.
摘要翻译：本发明提供了具有改进的可加工性和耐磨性的聚丁二烯。根据本发明的聚丁二烯具有：（A）门尼粘度（ML1 + 4,100℃）为43以上; （B）5重量％甲苯溶液粘度（Tcp）与门尼粘度（ML1 + 4,100℃）的比（Tcp / ML1 + 4,100℃）为0.9〜2.3; （C）应力松弛时间（T80）为10.0〜40.0秒，这是在ML1 + 4,100℃测量结束时的转矩为100％时扭矩减弱80％的时间; （D）分子量分布（Mw / Mn）为2.50〜4.00。

6. 发明授权

US09321854B2 Aluminum alkyl with C5 cyclic and pendent olefin polymerization catalyst 有权
标题翻译：具有C5环和烷基烯烃聚合催化剂的烷基铝
公开(公告)号：US09321854B2
公开(公告)日：2016-04-26
申请号：US14520605
申请日：2014-10-22
申请人： ExxonMobil Chemical Patents Inc.
发明人： Matthew W. Holtcamp , Gregory S. Day
IPC分类号： C07F5/06 , C08F8/00 , C08F8/44 , C08F4/602 , C08F4/02
CPC分类号： C08F4/602 , C07F5/06 , C07F5/061 , C07F5/062 , C08F4/02 , C08F110/06 , C08F2500/03
摘要： This invention relates to organoaluminum compounds, to organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising an ion-exchange layered silicate, an organoaluminum compound, and a metallocene.
摘要翻译：本发明涉及有机铝化合物，优选负载于含有这些活化剂体系的聚合催化剂体系的有机铝活化剂体系，以及利用其的聚合方法。特别地，本发明涉及包含离子交换层状硅酸盐，有机铝化合物和茂金属的催化剂体系。

7. 发明授权

US08946368B2 Catalytic systems made of a complex of rare earths for stereospecific polymerisation of conjugated dienes 有权
标题翻译：由稀土复合物制成的催化体系用于共轭二烯的立体有择聚合
公开(公告)号：US08946368B2
公开(公告)日：2015-02-03
申请号：US13318022
申请日：2010-04-27
申请人： Christophe Boisson , Olivier Rolland , Julien Thuilliez
发明人： Christophe Boisson , Olivier Rolland , Julien Thuilliez
IPC分类号： C08F36/06 , C08F36/08 , C08F4/52 , C08F4/602
CPC分类号： C08F4/545 , C08F36/04
摘要： The present invention relates to a multi-component catalytic system that can be used for the cis-1,4 stereospecific polymerization of conjugated dienes. The system is based on: (i) a rare-earth complex of Formula (II) Ln(A)3(B)n, Ln being a rare-earth metal, A a ligand, B a Lewis base or a solvent molecule and n a number from 0 to 3; (ii) an alkylating agent; (iii) a compound based on an aromatic ring and having at least two heteroatoms chosen from the elements O, N, S, P, and corresponding to the Formula (III): in which the R groups each denote hydrogen, an alkyl radical optionally comprising one or more heteroatoms (N, O, P, S, Si) or one or more halogen atoms, a halogen atom, a group based on one or more heteroatoms (N, O, P, S, Si); x and y are integers from 0 to 6; D is a group having a chemical function, one of the atoms of which has a non-bonding pair; L being an atom from column 1 of the Periodic Table.
摘要翻译：本发明涉及可用于共轭二烯的顺式-1,4-立体有择聚合的多组分催化体系。该系统基于：（i）式（II）Ln（A）3（B）n的稀土络合物，Ln是稀土金属，A a配体，B路易斯碱或溶剂分子，以及 na数从0到3; （ii）烷基化剂; （iii）基于芳环并且具有至少两个选自元素O，N，S，P的杂原子并且对应于式（III）的化合物：其中R基团各自表示氢，任选的烷基包括一个或多个杂原子（N，O，P，S，Si）或一个或多个卤素原子，卤素原子，基于一个或多个杂原子（N，O，P，S，Si）的基团。 x和y是0〜6的整数; D是具有化学功能的基团，其原子之一具有非键合对; L是周期表第1列的原子。

8. 发明授权

US08841393B2 Catalyst composition having improved flow characteristics and methods of making and using the same 有权
标题翻译：具有改进的流动特性的催化剂组合物及其制备和使用方法
公开(公告)号：US08841393B2
公开(公告)日：2014-09-23
申请号：US13988122
申请日：2011-11-10
申请人： Chi-I Kuo , Agapios Kyriacos Agapiou , David M. Glowczwski , Ghanshyam Ganu H. Patel
发明人： Chi-I Kuo , Agapios Kyriacos Agapiou , David M. Glowczwski , Ghanshyam Ganu H. Patel
IPC分类号： C08F4/602 , C08F4/642 , C08F4/6592 , C08F10/02 , C08F4/52 , C08F10/00 , C08F2/00 , C08F4/76 , C08F4/659
CPC分类号： C08F4/52 , C08F2/00 , C08F4/65916 , C08F4/65925 , C08F4/65927 , C08F4/76 , C08F10/00 , C08F2410/01 , C08F2410/02 , Y10S526/943 , C08F4/646 , C08F4/652 , C08F4/65912 , C08F4/655 , C08F2/002
摘要： Catalyst compositions for the polymerization of olefins having improved flowability properties are provided.
摘要翻译：提供了具有改善的流动性能的烯烃聚合用催化剂组合物。

9. 发明申请

US20120309913A1 PROCESS FOR THE PREPARATION OF AN UNSUPPORTED, SOLID METALLOCENE CATALYST SYSTEM AND ITS USE IN POLYMERIZATION OF OLEFINS 有权
标题翻译：制备不需要的固体金属催化剂体系的方法及其在烯烃聚合中的应用
公开(公告)号：US20120309913A1
公开(公告)日：2012-12-06
申请号：US13513450
申请日：2010-12-03
申请人： Nicolas Ronan , Peter Denifl
发明人： Nicolas Ronan , Peter Denifl
IPC分类号： C08F4/42 , C08F4/52 , C08F4/602 , C08F10/06 , C08F4/76
CPC分类号： C08F10/00 , C08F4/65927 , C08F12/20 , C08F12/22 , C08F110/06 , C08F293/005 , C08F2410/01 , C08F2438/01 , C08F4/65912 , C08F2500/12
摘要： Process for the preparation of an unsupported, heterogeneous olefin polymerization catalyst system, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) in the form of solid particles comprising the steps of a) preparing a solution (A) comprising ai) an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, a2) a cocatalyst comprising an element of group 13 of the Periodic Table (IUPAC 2007) and a3) a solvent (A-1), b) preparing a liquid/liquid emulsion system by dispersing the solution (A) in a solvent (B) essentially immiscible with said solution (A) in the presence of a polystyrene-b-fluoro polystyrene copolymer of the formula (I) in which n is a number from 10 to 100, m is a number from 1 to 40, x is a number from 5 to 16, y is a number from 11 to 33, provided that m, n, x and y are selected in a way that the block copolymer is soluble in the solvent B or the solution A in such an extent that a stable emulsion is formed by adding the block copolymer, b1) the solvent (B) constitutes the continuous phase of the emulsion, b2) the solution (A) constitutes in the form of droplets the dispersed phase and b3) the organometallic compound and the cocatalyst are present in the droplets, c) solidifying said dispersed phase to convert said droplets to solid particles and optionally recovering said particles to obtain said catalyst system; an unsupported, heterogeneous olefin polymerization catalyst, obtainable by the process and the use of the catalyst in olefin polymerization.
摘要翻译：制备无支撑的非均相烯烃聚合催化剂体系的方法，其包含固体颗粒形式的元素周期表第3至10族的过渡金属的有机金属化合物（IUPAC 2007），包括以下步骤：a）制备溶液（A）包含ai）周期表第3至10族过渡金属的有机金属化合物（IUPAC 2007）或锕系元素或镧系元素，a2）包含元素周期表第13族元素的助催化剂（IUPAC 2007 ）和a3）溶剂（A-1），b）通过将溶液（A）分散在基本上与所述溶液（A）不混溶的溶剂（B）中，在聚苯乙烯-b的存在下制备液体/液体乳液体系式（I）的氟代聚苯乙烯共聚物，其中n为10至100的数，m为1至40的数，x为5至16的数，y为11至33的数，条件是 m，n，x和y以嵌段共聚物可溶于溶剂中的方式选择 t B或溶液A，通过加入嵌段共聚物形成稳定的乳液，b1）溶剂（B）构成乳液的连续相，b2）溶液（A）以液滴的形式构成分散相和b3）有机金属化合物和助催化剂存在于液滴中，c）固化所述分散相以将所述液滴转化为固体颗粒，并任选地回收所述颗粒以获得所述催化剂体系; 一种无支撑的非均相烯烃聚合催化剂，可通过烯烃聚合中的方法和使用催化剂获得。

10. 发明授权

US08304361B2 Reduced reactor fouling 有权
标题翻译：减少反应堆污垢
公开(公告)号：US08304361B2
公开(公告)日：2012-11-06
申请号：US13068600
申请日：2011-05-16
申请人： Xiaoliang Gao , Benjamin Milton Shaw , Cliff Robert Baar
发明人： Xiaoliang Gao , Benjamin Milton Shaw , Cliff Robert Baar
IPC分类号： C08F4/6592 , C08F4/02 , C08F4/602 , B01J31/22
CPC分类号： C08F210/16 , C08F4/65912 , C08F4/65916 , C08F10/00 , C08F2420/04 , C08F2/002 , C08F210/14 , C08F4/6592
摘要： Fouling in a dispersed phase reactor in the presence of a phosphinimine catalyst and MAO may be reduced by reducing the loading of the phosphinimine catalyst to provide from 0.02 to 0.031 mmol of transition M per g of catalyst while still maintaining a productivity of not less than 2500 g of polymer/gram of catalyst. The catalyst may optionally be used in the presence of an antistatic agent.
摘要翻译：在次膦酰亚胺催化剂和MAO的存在下，在分散相反应器中结垢可以通过降低次膦亚胺催化剂的负载来降低，以提供0.02至0.031mmol的催化剂转化率M，同时仍保持不低于2500的生产率 g的聚合物/克催化剂。催化剂可以任选地在抗静电剂存在下使用。

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