子分类：
- C08C19/02： .氢化
- C08C19/04： .氧化
- C08C19/08： .解聚作用
- C08C19/10： .异构化;环化
- C08C19/12： .卤素原子结合到分子中
- C08C19/20： .硫原子结合到分子中
- C08C19/22： .氮原子结合到分子中
- C08C19/24： .磷原子结合到分子中
- C08C19/25： .硅原子结合到分子中
- C08C19/26： .金属原子结合到分子中
- C08C19/28： .与含碳-碳不饱和键的化合物的反应(接枝聚合物入C08F)
- C08C19/30： .添加一种试剂,该试剂与高分子的1个杂原子或1个含杂原子基团反应
- C08C2019/09： .复分解作用
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | Thermoplastic Vulcanizate Prepared with Oil-Extended, Bimodal Metallocene-Synthesized EPDM | US15881843 | 2018-01-29 | US20180244869A1 | 2018-08-30 | Oscar O. Chung; Periagaram S. Ravishankar; Porter C. Shannon; John P. Soisson |
| A process for producing a thermoplastic vulcanizate, the process comprising: (i) charging a reactor with an oil-extended olefinic copolymer rubber, where the rubber is synthesized by a single-site catalyst, characterized by a multi-modal molecular weight distribution, and includes greater than 10 parts by weight extender oil per 100 parts by weight rubber; (ii) charging the reactor, contemporaneously or sequentially with respect to the rubber, with a thermoplastic resin, an oil, and a cure system to provide a pre-vulcanized mixture; and (iii) mixing the rubber, thermoplastic resin, oil, and cure system at a temperature above the melt temperature of the thermoplastic resin to thereby cause dynamic vulcanization of the rubber and produce the thermoplastic vulcanizate. | ||||||
| 202 | MODIFIED DIENE ELASTOMER WITH REDUCED PDI AND COMPOSITION CONTAINING SAME | US15740644 | 2016-07-01 | US20180194866A1 | 2018-07-12 | Marie-Hélène DESSENDIER; Charlotte DIRE; Margarita DORATO; Jean Marc MARECHAL; Florent VAULTIER |
| A modified diene elastomer is provided. The elastomer comprises: at least 70% by weight, with respect to the total weight of the modified diene elastomer, of a linear diene elastomer functionalized predominantly in the middle of the chain by an alkoxysilane group, optionally partially or completely hydrolysed to give silanol, the alkoxysilane group optionally bearing another functional group capable of interacting with a reinforcing filler, the alkoxysilane group bonded to the two branches of the diene elastomer via the silicon atom, the functionalized diene elastomer exhibiting a polydispersity index before fractionalization of less than or equal to 1.6; and more than 0 and up to 30% by weight, with respect to the total weight of the modified diene elastomer, of a star-branched diene elastomer exhibiting a polydispersity index before star-branching of less than or equal to 1.6, the Mooney viscosity of the modified diene elastomer varying from 30 to 80. | ||||||
| 203 | Rubber composition and pneumatic tire | US14860096 | 2015-09-21 | US09988516B2 | 2018-06-05 | Shuichiro Ono |
| An object of the present invention is to provide a rubber composition which can further improve abrasion resistance without deterioration in energy efficiency, and a pneumatic tire using the rubber composition. The rubber composition comprises a polymer mixture obtained by modifying a polymer composed of at least one of a conjugated diene compound and an aromatic vinyl compound with a compound having at least one of an ester group and a carboxyl group; at least one of triamines; and silica, the polymer mixture having a weight-average molecular weight of 1.0×103 to 1.0×105, and the triamines being a compound represented by the following formula (I): wherein each of RA, RB, RC, RD and RE independently represents a hydrogen atom or an alkyl group, and each of ALK1 and ALK2 independently represents an alkylene group. | ||||||
| 204 | Modified conjugated diene polymer, method for preparing same, and rubber composition containing same | US14909902 | 2014-11-14 | US09944741B2 | 2018-04-17 | Heungyeal Choi; Noma Kim; Yujin Kim; Heseung Lee; Kiseok Son |
| Disclosed is a method of preparing a modified conjugated diene-based polymer, including (a) polymerizing a conjugated diene monomer, or a conjugated diene monomer and an aromatic vinyl monomer, using the compound represented by Chemical Formula 1 in the presence of a hydrocarbon solvent, thus forming an active polymer having an alkali metal end, and (b) coupling or reacting the active polymer with the compound represented by Chemical Formula 2. | ||||||
| 205 | Aminosilyl-substituted diarylethene compounds for anionic polymerisation | US15326832 | 2014-07-14 | US09938305B2 | 2018-04-10 | Michael Rössle; Christian Döring; Sven Thiele; Daniel Heidenreich; Nadine Schübel; Christiane Jacobi |
| The invention related to novel compounds useful as modifying monomers and precursors for polymerization initiators. The invention further relates to a method of making the polymerization initiators and resulting polymers. The invention also relates to polymer compositions comprising the polymer of the invention and further components such as extender oils, fillers, vulcanizing agents etc., and to corresponding vulcanized polymer compositions and articles comprising vulcanized parts made from the vulcanized polymer composition. | ||||||
| 206 | MODIFIED CONJUGATED DIENE-BASED POLYMER AND RUBBER COMPOSITION CONTAINING SAME | US15547828 | 2016-01-21 | US20180016361A1 | 2018-01-18 | Tomohiro URATA |
| The present invention provides a modified conjugated diene polymer in which a phenoxy group of a polar group-containing phenoxy compound is bonded to at least one selected from the group consisting of the end, main chain, and side chain of a conjugated diene polymer, which can further improve a rubber composition in the low-heat-generation property and abrasion resistance, and a rubber composition using the same. | ||||||
| 207 | Automatic devulcanizing and plasticizing device and method for using same | US15031316 | 2014-10-23 | US09868842B2 | 2018-01-16 | Qiang(Charles) Yuan |
| Rubber to be recycled is first ground to rubber crumb and then is transferred to a plasticizing unit. The rubber to be recycled is mixed with chemicals including an aromatic, environmental-friendly, low volatility reaction oil, a thickening agent and an activator. This mixture is heated to a desired temperature under anaerobic conditions and then is maintained at that temperature for a suitable time. The processed material is then transferred to a cooling unit in which it is cooled to a temperature below 60° C. prior to being released from the machine. | ||||||
| 208 | Rubber composition having a crosslink distribution, its preparation and article with component | US14739391 | 2015-06-15 | US09701821B2 | 2017-07-11 | George Jim Papakonstantopoulos; Frank James Feher; Christin Louise Alwardt; Byoung Jo Lee |
| The invention relates to a rubber composition and its preparation having a crosslink distribution, particularly at least two types of crosslinks, its preparation, and an article of manufacture, including a tire, having a component of such rubber composition. In one embodiment the crosslink distribution can be a controlled crosslink distribution of at least two types of crosslinks. In one embodiment, such crosslink distribution relates to an inclusion in the rubber composition of an additive to promote the crosslink distribution where the additive itself has a part of the desired crosslink characteristics. The distributed crosslinks can be of different types including different length, different chemistry, and connecting different points on the crosslinked rubber chains. The distributed crosslinks can be present in different concentrations in the rubber composition. The crosslink distribution can be random or in the nature of a gradient change between domains of different crosslinks. The properties of the rubber composition can be varied by adjustment of such distributed crosslinks to promote various physical properties such as, for example, its viscoelastic properties, tear strength, abrasion resistance and green strength. | ||||||
| 209 | Method of making a functionalized elastomer via allylboration | US15207593 | 2016-07-12 | US09574024B1 | 2017-02-21 | Margaret McGuigan Flook; Inigo Gottker genannt Schnetmann; Hannes Leicht; Stefan Mecking |
| The present invention is directed to a method of making a functionalized elastomer, comprising the steps of: forming a copolymer Y by copolymerizing a first monomer and a second monomer, wherein the first monomer is selected from the group consisting of 1,3-butadiene, isoprene, and styrene; the second monomer is selected from the group consisting of formula 1 or 2 wherein B is boron; O is oxygen; R1 and R2 are independently linear or branched alkyl groups containing 1 to 10 carbon atoms; R3 is hydrogen or a linear or branched alkyl group containing 1 to 10 carbon atoms; and R4 is a linear or branched alkane diyl group containing 1 to 20 carbon atoms, or a bridging aromatic group; and reacting the copolymer Y with a compound Z to form the functionalized elastomer, wherein Z is a compound of formula 3 where R5 is phenylene, a linear or branched alkane diyl group containing from 1 to 10 carbon atoms, or a combination of one or more phenylene groups and one or more linear or branched alkane diyl groups containing from 1 to 10 carbon atoms; and Q is hydrogen, bromine, or a functional group comprising at least one heteroatom selected from the group consisting of nitrogen, oxygen, phosphorus, silicon, and sulfur. | ||||||
| 210 | FUNCTIONALIZED POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE | US14755533 | 2015-06-30 | US20160053077A1 | 2016-02-25 | Liqing MA |
| The present invention is directed to a functionalized elastomer having the formula (P-Bn)q-X where P is a polydiene segment, B is a styrenic monomer residue, n is the number of styrenic monomer residues, and Bn is a polystyrenic segment; X is a multifunctional terminator residue, and q is the number of (P-Bn) chains coupled to X; wherein for q=1, the weight percent of the functionalized elastomer is at least 90 percent by weight. | ||||||
| 211 | Rubber composition having a crosslink distribution, its preparation and article with component | US13536266 | 2012-06-28 | US09085676B2 | 2015-07-21 | George Jim Papakonstantopoulos; Frank James Feher; Christin Louise Alwardt; Byoung Jo Lee |
| The invention relates to a rubber composition and its preparation having a crosslink distribution, particularly at least two types of crosslinks, its preparation, and an article of manufacture, including a tire, having a component of such rubber composition. In one embodiment, such crosslink distribution relates to an inclusion in the rubber composition of an additive to promote the crosslink distribution where the additive itself has a part of the desired crosslink characteristics. The crosslink distribution can be random or in the nature of a gradient change between domains of different crosslinks. | ||||||
| 212 | RUBBER COMPOSITION AND PNEUMATIC TIRE | US14406251 | 2013-07-04 | US20150126674A1 | 2015-05-07 | Daisuke Sato |
| The present invention provides a rubber composition capable of improving fuel economy and wet grip performance while maintaining good processability, abrasion resistance and handling stability or improving them, as well as a pneumatic tire including the rubber composition. The rubber composition contains carbon black, silica, and a polymer mixture obtained by modifying a polymer derived from a conjugated diene compound and/or an aromatic vinyl compound with a compound containing an ester group and/or a carboxyl group, the polymer mixture having a weight average molecular weight of from 1.0×103 to 1.0×105, the rubber composition having a tan δ peak temperature of −20° C. or higher, a rubber hardness of from 63 to 75, and a tan δ at 70° C. of from 0.15 to 0.45. | ||||||
| 213 | METHOD FOR PRODUCING PURIFIED NITRILE RUBBERS | US14362690 | 2012-12-11 | US20140329982A1 | 2014-11-06 | Sven Brandau; Sarah David; Florian Forner; Stefan Huesgen; Andreas Kaiser; Julia Maria Jeschko; Peter Schwan |
| A new process is provided for producing a purified nitrile rubber by subjecting the nitrile rubber, which contains specific impurities, to a defined ultrafiltration. Success is thereby achieved in substantially reducing the amount of the specific impurities in the nitrile rubber. | ||||||
| 214 | POLYACRYLIC ACID-BASED WATER-ABSORBING RESIN POWDER AND METHOD FOR PRODUCING THE SAME | US14301773 | 2014-06-11 | US20140296465A1 | 2014-10-02 | Shigeru SAKAMOTO; Yoshio IRIE; Kozo NOGI; Kunihiko ISHIZAKI |
| A method for producing a polyacrylic water-absorbent resin powder includes the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after polymerizing, fragmenting the resulting hydrated gel crosslinked polymer; and drying the fragmented hydrated gel crosslinked polymer, the gas being dissolved and/or dispersed in the monomer solution by (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; or (c) introducing the gas with the acrylic monomer solution via fine holes. The production method efficiently produces a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like. | ||||||
| 215 | FUNCTIONALIZED HIGH CIS-1,4-POLYBUTADIENE PREPARED USING NOVEL FUNCTIONALIZING AGENTS | US13711701 | 2012-12-12 | US20130102736A1 | 2013-04-25 | Yoichi OZAWA; H. Jerrold MILLER; Koji MASAKI; Koichi MORITA; Tatsuo FUJIMAKI; Tetsuyo OHUMURA; Takuo SONE; Iwakazu HATTORI |
| A method for preparing a functionalized polymer comprising the steps of preparing a polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, wherein the lanthanide-based catalyst comprises (a) a lanthanide compound, (b) an alkylating agent, and (c) a source of halogen, and reacting the pseudo-living polymer with at least one amide-containing functionalizing agent. | ||||||
| 216 | Swellable elastomer-based apparatus, oilfield elements comprising same, and methods of using same in oilfield applications | US11308448 | 2006-03-27 | US07373991B2 | 2008-05-20 | Nitin Y. Vaidya; Rashmi B. Bhavsar |
| Oilfield apparatus and methods of use, the apparatus comprising an elastomeric composition comprising the reaction product of a linear or branched polymer having residual ethylenic unsaturation with an ethylenically unsaturated organic monomer having at least one reactive moiety selected from the group consisting of acid, acid anhydride, and acid salt. | ||||||
| 217 | Process for the preparation of low branch content polybutadiene | US11250383 | 2005-10-17 | US07112632B2 | 2006-09-26 | Gian Tommaso Viola; Fabio Bacchelli; Silvia Valenti |
| A process for the preparation of low branch content polybutadiene comprising: (a) a first butadiene polymerisation stage; (b) treatment of the polymer solution obtained upon completion of stage (a) with a coupling agent selected from: (i) polyunsaturated natural oils; (ii) butadiene and/or isoprene oligomers; (iii) butadiene and/or isoprene co-polymers with vinylarene monomers; the unsaturations present in compounds (i)–(iii) being at least partially substituted with groups selected from epoxides, anhydrides and esters; (c) recovery of the low branch content polybutadiene obtained upon completion of stage (b). | ||||||
| 218 | Method for inhibiting agglomeration of block copolymers | US11329622 | 2006-01-11 | US20060160955A1 | 2006-07-20 | Peter Boerner; Daniel Graves |
| A method for inhibiting agglomeration of a block copolymer is presented, the method including coupling a plurality of block copolymer segments with a degradable coupling agent and thereafter drying the coupled block copolymer. | ||||||
| 219 | Amino-terminated polybutadienes | US10300435 | 2002-11-20 | US06855776B2 | 2005-02-15 | Herbert Shin-I Chao; John Schmidhauser; Alain Robert Drexler; Nan Tian |
| Improved amine-terminated polybutadienes (ATPBs) having one or two terminal groups of the formula —CHRNH2 wherein R is C1-C20 alkyl, are prepared by aminating a secondary hydroxyl-terminated polybutadiene having no ether groups. The ATPBs may be hydrogenated or partially hydrogenated, either prior to or after the animation, to saturate or partially saturate the polymers. Preferred ATPBs are of the formula H2NCHR-(polybutadiene)-CHRNH2 wherein R is C1-C20 alkyl. Polyureas, polyurethanes, crosslinked epoxies, polyamides, and other derivatives with improved properties can be prepared from the ATPBs. The resultant derivatives are useful in liquid binders for braking systems, electric potting compositions, coatings, adhesives, sealants, and water proofing membranes, for example. | ||||||
| 220 | Unsaturated compounds containing silane, electron donor and electron acceptor functionality | US10841059 | 2004-05-07 | US20040242796A1 | 2004-12-02 | Osama M. Musa |
| This invention relates to curable compounds or resins containing electron donor or acceptor functionality, carbon to carbon unsaturation, and silane functionality, having the structure: 1 in which E is an electron donor or electron acceptor functionality; Q is an oligomeric or polymeric group containing at least one carbon to carbon double bond, A is a hydrocarbyl group; and L is a linking group. | ||||||
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