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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 10782. Отображено 100.
20-09-2008 дата публикации

УСТАНОВКА ДЛЯ ПОЛУЧЕНИЯ БУТАДИЕНОВОГО КАУЧУКА

Номер: RU0000076337U1
Автор: Бубнова Светлана Васильевна, Дуйко Любовь Витальевна, Кормер Виталий Абрамович
Принадлежит: ООО "СИАРСИ"

1. Установка для получения бутадиенового каучука, содержащая реактор для полимеризации, устройство для диспергирования массы, контейнеры с исходными реагентами, дозаторы, терморегулирующее устройство, бункер-накопитель, отличающаяся тем, что она снабжена дополнительными реакторами, оснащенными смесителями для предварительной подготовки реакционных систем, смесители соединены с дополнительными контейнерами и бункерами, заполненными исходными компонентами, реакторы соединены между собой магистралями с насосами, в полости магистралей и в выходной патрубок последнего реактора введены детекторы, сообщенные с прибором анализа каждой композиционной системы, при этом реакторы оснащены инициаторами механической и физической активации системы. 2. Установка по п.1, отличающаяся тем, что в качестве инициаторов используют излучатели акустических волн в ультразвуковом диапазоне и излучатели волн СВЧ-диапазона. 3. Установка по п.1, отличающаяся тем, что в качестве приборов анализа системы используют двухдетекторный хроматограф с электрохимическим и ультрафиолетовым детекторами. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 76 337 (13) U1 (51) МПК C08F 136/06 C08F 236/00 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2008111456/22 , 25.03.2008 (24) Дата начала отсчета срока действия патента: 25.03.2008 (45) Опубликовано: 20.09.2008 (73) Патентообладатель(и): ООО "СИАРСИ" (RU) U 1 7 6 3 3 7 R U Ñòðàíèöà: 1 U 1 Формула полезной модели 1. Установка для получения бутадиенового каучука, содержащая реактор для полимеризации, устройство для диспергирования массы, контейнеры с исходными реагентами, дозаторы, терморегулирующее устройство, бункер-накопитель, отличающаяся тем, что она снабжена дополнительными реакторами, оснащенными смесителями для предварительной подготовки реакционных систем, смесители соединены с дополнительными контейнерами и бункерами, заполненными исходными компонентами, ...

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Номер записи: 1
01-03-2012 дата публикации

Functionalizable Synthetic Hydrocarbon Fluids and Integrated Method for Production Thereof

Номер: US20120053309A1
Автор: John R. Hagadorn, Matthew S. Bedoya, Matthew W. Holtcamp
Принадлежит: ExxonMobil Chemical Patents Inc

This invention relates to a process to produce a poly(alpha-olefin)(alpha, internally unsaturated, nonconjugated olefin) comprising: contacting at least one renewable feedstream with at least one lower olefin in the presence of a metathesis catalyst, wherein a mixture of at least one C 4 to C 40 linear alpha-olefin and at least one alpha, internally unsaturated, nonconjugated olefin is produced; and contacting the mixture with a metallocene catalyst system, wherein a poly(alpha-olefin)(alpha, internally unsaturated, nonconjugated olefin) is produced.

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Номер записи: 2
24-05-2012 дата публикации

Styrene-butadiene copolymers, process for the preparation thereof and high cohesion adhesive compositions

Номер: US20120129975A1
Автор: Humberto Rocha Lovisi, Manoel REMIGIO DOS SANTOS, Marcus Tadeu Moura Moutinho, Mauro Eduardo Costa Braz Pinto, Rinaldo Farias Luz
Принадлежит: Lanxess Elastomeros do Brasil SA

The present invention relates to styrene-butadiene copolymers (SBR) that are prepared using aqueous emulsion polymerization technology and are intended for the adhesive and sealing industry, being particularly useful in the preparation of contact adhesives and pressure-sensitive adhesives (PSA) and widely applicable in the footwear and furniture industries. The use of this kind of elastomer in processes for preparing adhesives, having an aqueous or solvent base, provides high cohesion to adhesive compositions without compromising or jeopardizing the adhesion. The present invention is also intended to protect the process for obtaining SBR copolymers, simultaneously comprising: aqueous emulsion polymerization at high temperatures, the use of a specific surfactant and the maintenance of the Mooney viscosity and the combined styrene content in the copolymer in high ranges. Another object of the present invention application is the protection of adhesive compositions that are obtained from SBR copolymers, either in solid or latex form.

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Номер записи: 3
31-05-2012 дата публикации

Hydroxyaryl functionalized polymers

Номер: US20120136113A1
Автор: Xiao-Dong Pan, Yuan-Yong Yan, Zenquan Qin
Принадлежит: Xiao-Dong Pan, Yuan-Yong Yan, Zenquan Qin

A functionalized polymer includes the reaction product of a reactive polymer and a compound that includes an aryl group having at least one directly bonded OG p substituent, where G p is a protecting group, and a substituent (Q) which is free of active hydrogen atoms and which is, or connects to the aryl group through, a moiety that includes a carbon-to-nitrogen multiple bond. The polymer can be provided from a solution that includes one or more types of ethylenically unsaturated monomers which include at least one type of polyene, particularly one or more conjugated dienes in certain embodiments. An active terminus of the resulting reactive polymer can react with the Q substituent of the compound so as to provide a polymer having as a terminal functionality the radical of a compound that includes an aryl group having at least one directly bonded OG p substituent.

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Номер записи: 4
19-07-2012 дата публикации

Functionalized polymers and methods for their manufacture

Номер: US20120184677A1
Автор: Steven Luo
Принадлежит: Bridgestone Corp

A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a silylated amino group.

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Номер записи: 5
02-08-2012 дата публикации

Method for producing copolymer

Номер: US20120196993A1
Автор: Olivier Tardif, Shojiro Kaita, Yasuo Horikawa
Принадлежит: Bridgestone Corp

This invention relates to a method for producing a copolymer of a conjugated diene compound and an unconjugated olefin other than the conjugated diene compound having a high cis-1,4 bond content of a conjugated diene compound portion, and more particularly to a method for producing a copolymer characterized by comprising a step of polymerizing a conjugated diene compound and an unconjugated olefin other than the conjugated diene compound in the presence of a polymerization catalyst composition including at least one complex selected from a metallocene complex represented by the following general formula (I): (wherein M is a lanthanoid element, scandium, or yttrium, and Cp R is independently a non-substituted or substituted indenyl, and R a -R f are independently an alkyl group having a carbon number of 1-3 or a hydrogen atom, and L is a neutral Lewis base, and w is an integer of 0-3) and so on.

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Номер записи: 6
16-08-2012 дата публикации

Orthopedic implants having gradient polymer alloys

Номер: US20120209396A1
Автор: David Myung, Jeffrey G. Roberts, Lampros Kourtis, Michael J. Jaasma, Vernon Hartdegen
Принадлежит: Biomimedica Inc

Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.

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Номер записи: 7
25-10-2012 дата публикации

Method of producing modified conjugated diene rubber, modified conjugated diene rubber, and rubber composition

Номер: US20120270997A1
Автор: Kenji Hasegawa, Masahiro Shibata, Ryouji Tanaka, Takahiro Nakamura, Toshihiro Tadaki
Принадлежит: JSR Corp

There is provided a method of producing a conjugated diene rubber capable of being used as a starting material for a crosslinked rubber that can be used in applications such as tire treads and can raise the fuel efficiency. This method of producing a conjugated diene rubber comprises (a) a step of reacting a first alkoxysilane compound having in a molecule at least one group convertible to onium by an onium generator and at least one alkoxysilyl group that has at least two alkoxy groups, with a conjugated diene polymer having an alkali metal or alkaline-earth metal active terminal and obtained by polymerizing a conjugated diene compound and an aromatic vinyl compound, thereby to obtain a modified conjugated diene polymer that has the group convertible to onium and the alkoxysilyl group, and (b) a step of mixing the resulting modified conjugated diene polymer with the onium generator and a second alkoxysilane compound having in a molecule at least one alkoxysilyl group and at least one group convertible to onium by the onium generator.

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Номер записи: 8
28-03-2013 дата публикации

CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS HAVING A GUANIDINATE LIGAND

Номер: US20130079478A1
Автор: LeBlanc Alexandra, Quiroga Norambuena Victor Fidel, Van Doremaele Gerardus Henricus Josephus, Zuideveld Martin Alexander
Принадлежит:

The invention relates to a new catalyst component for the polymerization of olefins comprising a compound of formula CyLMZ, wherein M is a Group 4-6 metal, Z is an anionic ligand, p is the number of anionic ligands, Cy is a mono- or poly-substituted cyclopentadienyl-type ligand and L is a guanidinate ligand of the formula wherein: each A is independently selected from nitrogen or phosphorus and R, R, Rand Rare independently selected from the group consisting of hydrogen, hydrocarbyl, silyl and germyl residues, substituted or not with one or more halogen, amido, phosphido, alkoxy, or aryloxy radicals. The invention also relates to a catalyst system for the polymerization of olefins and a process for the polymerization of at least one olefin having 2 to 20 carbon atoms. 2. Catalyst component according to claim 1 , wherein M is selected from the group consisting of Ti claim 1 , Zr and Hf.3. Catalyst component according to or claim 1 , wherein the one or more substituents of Cy are selected from the group consisting of halogen claim 1 , hydrocarbyl claim 1 , silyl and germyl residues claim 1 , optionally substituted with one or more halogen claim 1 , amido claim 1 , phosphido claim 1 , alkoxy claim 1 , or aryloxy radicals.4. Catalyst component according to any one of the to claim 1 , wherein A is nitrogen and R claim 1 , R claim 1 , Rand Rare independently selected from the group consisting of hydrogen and hydrocarbyl residue.5. Catalyst component according to any one of the to claim 1 , wherein the anionic ligand Z is selected from the group consisting of Chydrocarbyl radicals.6. A catalyst system for the polymerization of olefins comprising a catalyst component in the presence of one or more ingredients selected from the group consisting of activator claim 1 , scavenger and carrier characterized in that the catalyst component is according to any of the to .7. Catalyst system according to claims 6 , wherein the activator is selected from the group consisting of borate ...

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Номер записи: 9
04-04-2013 дата публикации

MODIFIED POLYMER SUBSTRATE AND METHOD FOR PRODUCING THE SAME, AND SURFACE TREATMENT AGENT

Номер: US20130084428A1
Автор: EGAWA Shuichi, HAYASHI Yousuke
Принадлежит: TOKAI RUBBER INDUSTRIES, LTD.

To provide a modified polymer substrate that has both excellent releasability from an accretion adhering to a surface of the substrate and functions for intended use other than releasability, and to provide a method for producing the modified polymer substrate. A modified polymer substrate (1) includes a polymer substrate (2) containing an organic component having unsaturated carbon-to-carbon double bonds, and an organic group having a functional group (R) arranged to provide functions to a surface of the polymer substrate, wherein the organic group is bonded to the surface of the polymer substrate via an isocyanuraic acid backbone by bringing a treatment solvent (3) that contains (a) a trichloroisocyanuric acid and (b) a compound having an unsaturated carbon-to-carbon double bond and an organic group having a functional group (R) arranged to provide functions to the surface of the polymer substrate into contact with the surface of the polymer substrate. 1. A modified polymer substrate , the substrate comprising:a polymer substrate; andan organic group having a functional group arranged to provide functions to a surface of the polymer substrate,wherein the organic group is bonded to the surface of the polymer substrate via an isocyanuric acid backbone.2. The modified polymer substrate according to claim 1 , wherein the functional group comprises one or more than one kind of functional group selected from the group consisting of a silicone group claim 1 , a fluorine-containing group claim 1 , a perfluoroalkyl group claim 1 , an ester group claim 1 , an amide group claim 1 , an imide group claim 1 , an ether group claim 1 , an aryl group claim 1 , an azo group claim 1 , a diazo group claim 1 , a nitro group claim 1 , an epoxy group claim 1 , a carbonyl group claim 1 , a heterocyclic group claim 1 , a mesoionic group claim 1 , a halogen group claim 1 , an amino group claim 1 , an imino group claim 1 , an alkyl group claim 1 , a sulfonic acid group claim 1 , a hydroxyl ...

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Номер записи: 10
04-04-2013 дата публикации

POLYMERS PREPARED FROM MIXTURES OF MULTIFUNCTIONAL N-VINYLFORMAMIDE AND HYBRID REACTIVE N-VINYLFORMAMIDE CROSSLINKING MONOMER MOIETIES AND USES THEREOF

Номер: US20130085248A1
Автор: Lei Cuiyue, Makarovsky Ilya, Musa Osama M.
Принадлежит: ISP Investments Inc.

The present invention provides polymers resulting from polymerization of at least one reactive vinyl monomer moiety and a multifunctional N-vinylformamide crosslinking moiety; polymers resulting from polymerization of at least one reactive vinyl monomer moiety and a hybrid N-vinylformamide crosslinking moiety having at least one N-vinylformamide functionality and at least one other reactive vinyl functionality; polymers resulting from polymerization of at least one hybrid reactive N-vinylformamide monomer moiety having one N-vinylformamide functionality and at least one other reactive non-vinyl functionality and a multifunctional N-vinylformamide crosslinking moiety; and polymers resulting from polymerization of at least one hybrid reactive N-vinylformamide monomer moiety having one N-vinylformamide functionality and at least one other reactive non-vinyl functionality and a hybrid N-vinylformamide crosslinking moiety having at least one N-vinylformamide functionality and at least one other reactive vinyl functionality. The invention further provides a wide variety of compositions comprising the novel crosslinked polymers. 1. A polymer resulting from polymerization of at least one reactive vinyl monomer moiety and a multifunctional N-vinylformamide crosslinking moiety.2. The polymer according to claim 1 , wherein the at least one reactive vinyl monomer moiety is selected from the group consisting of maleic anhydrides claim 1 , vinyl amides claim 1 , acrylates claim 1 , styrenes claim 1 , maleimides claim 1 , maleates claim 1 , fumarates claim 1 , cinnamyls claim 1 , vinyl imidazoles claim 1 , vinyl pyridines claim 1 , vinyl acetates claim 1 , acrylamides claim 1 , vinyl sulfones claim 1 , vinyl carbonates claim 1 , vinyl silanes claim 1 , vinyl acrylamides claim 1 , allyl derivatives claim 1 , vinyl ethers claim 1 , and mixtures thereof.4. A composition comprising a polymer resulting from polymerization of at least one reactive vinyl monomer moiety and a ...

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Номер записи: 11
11-04-2013 дата публикации

Rubber composition and pneumatic tire

Номер: US20130090409A1
Автор: Kazuyuki Nishioka, Takahiro Mabuchi, Yuko Hinohara
Принадлежит: Sumitomo Rubber Industries Ltd

The present invention provides a rubber composition that achieves a well-balanced improvement in fuel economy, wet-grip performance, and abrasion resistance, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition, including a rubber component and silica, wherein the rubber component contains not less than 5% by mass of a conjugated diene polymer, based on 100% by mass of the rubber component, the conjugated diene polymer containing a constituent unit derived from a conjugated diene and a constituent unit represented by the following formula (I): at least one terminal of the conjugated diene polymer being modified by a compound containing a group represented by the following formula (II): and wherein the silica is contained in an amount of 5 to 150 parts by mass per 100 parts by mass of the rubber component.

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Номер записи: 12
11-04-2013 дата публикации

Modified Polyethylene Compositions

Номер: US20130090433A1
Автор: Cheng Jianya, JIANG Peijun, Jolibois Keith E., JR. Andrew G., Narvaez, Shirodkar Pradeep P., Soulages Johannes M., Squire Kevin R., Thackston Ronald R.
Принадлежит: ExxonMobile Chemical Patents Inc.

The present invention relates to a branched modifier and a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g′of 0.97 or more and an Mof 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a g′of less than 0.97, wherein the ethylene polymer has a g′of at least 0.01 units higher than the g′of the branched modifier. 1. A branched polyethylene modifier comprising at least 50 mol % ethylene , one or more Cto Ccomonomers , and a polyene having at least two polymerizable bonds , wherein said branched polyethylene modifier: a) has a g′of less than 0.97; b) is essentially gel free; c) has an Mw of 100 ,000 g/mol or more; and d) has an Mw/Mn of 4.0 or more.2. The modifier of claim 1 , wherein the comonomer is present at from 0.5 mol % to 30 mol %.3. The modifier of claim 1 , wherein the polyene is present at from 0.001 mol % to 10 mol %.4. The modifier of claim 1 , wherein the modifier has a g′of 0.90 or less.5. The modifier of claim 1 , wherein the modifier has a strain-hardening ratio of 2 or greater.6. The modifier of claim 1 , wherein the Cto Ccomonomers are one or more Cto Calpha olefin comonomers.7. The modifier of claim 1 , wherein the modifier has 5 wt % or less of xylene insoluble material.8. The modifier of claim 1 , wherein the Cto Ccomonomers are one or more of hexene claim 1 , butene claim 1 , or octene.9. The modifier of claim 1 , wherein the polyene is selected from the group consisting of: 1 claim 1 ,4-pentadiene claim 1 , 1 claim 1 ,5-hexadiene claim 1 , 1 claim 1 ,6-heptadiene claim 1 , 1 claim 1 ,7-octadiene claim 1 , 1 claim 1 ,8-nonadiene claim 1 , 1 claim 1 ,9-decadiene claim 1 , 1 claim 1 ,10-undecadiene claim 1 , 1 claim 1 ,11-dodecadiene claim 1 , 1 claim 1 ,12-tridecadiene claim 1 , 1 claim 1 ,13-tetradecadiene claim 1 , tetrahydroindene claim 1 , norbornadiene also known as bicyclo-(2.2.1)-hepta-2 claim 1 ,5-diene claim 1 , ...

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Номер записи: 13
11-04-2013 дата публикации

LOW VINYL STYRENE-BUTADIENE POLYMERS AND METHODS OF MAKING THE SAME

Номер: US20130090440A1
Автор: Hamann Evemarie, Valenti Silvia
Принадлежит: STYRON EUROPE GMBH

The invention provides a process for the continuous polymerization of a polymer comprising monomeric units derived from styrene and 1,3-butadiene, said process comprising: 116.-. (canceled)18. The process of claim 17 , wherein the polymer has a vinyl content from 12 to 40 weight percent claim 17 , based on the incorporated butadiene portion in the polymer.19. The process of claim 17 , wherein the total monomer conversion is greater than 97.5 weight percent based on total amount of monomer feed.20. The process of claim 17 , wherein the polymerization is run at a temperature in the range from 75° C. to 95° C.21. The process of claim 17 , wherein the polymer has a block styrene content less than 8 weight percent claim 17 , based on the incorporated styrene portion in the polymer.22. The process of claim 17 , wherein the polymer has a styrene content from 10 to 50 weight percent claim 17 , based on the total mass of the polymer.23. The process of claim 17 , wherein the polar agent comprises ditetrahydrofurylpropane.24. The process of claim 17 , wherein the initiator comprises an organolithium compound.25. The process of claim 17 , wherein the polar agent to the active initiator molar ratio is from 0.1 to 0.5.26. The process of claim 17 , wherein the total monomer conversion is greater than 99 weight percent.27. The process of claim 24 , wherein the organolithium compound comprises n-butyl lithium or sec-butyl lithium.28. A polymer formed from the process of .29. A composition comprising the polymer of .30. An article comprising at least one component formed from the composition of .31. A composition comprising a polymer comprising monomeric units derived from styrene and 1 claim 29 ,3-butadiene claim 29 , and wherein the polymer comprises:A) a vinyl content from 12 to 40 weight percent, based on the weight of polymerized butadiene in the polymer,B) a block styrene content less than 8 weight percent, based on the weight of styrene in the polymer, andC) a styrene content ...

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Номер записи: 14
11-04-2013 дата публикации

SYNTHESIS SYSTEM, RUBBER CHEMICAL SUBSTANCE FOR TIRES, SYNTHETIC RUBBER FOR TIRES, AND PNEUMATIC TIRE

Номер: US20130090445A1
Автор: Fujikura Keitaro, HATTORI Takayuki, Matsuo Toshiro, WADA Takao, YOKOYAMA Yuka
Принадлежит: SUMITOMO RUBBER INDUSTRIES, LTD.

The present invention provides a synthesis system that can synthesize aniline and/or styrene efficiently, a synthesis system that can synthesize butadiene (1,3-butadiene) efficiently, a rubber chemical for a tire which is synthesized from the aniline obtained by the synthesis system, a synthetic rubber for a tire which is synthesized from the styrene and/or butadiene obtained by the synthesis systems, and a pneumatic tire produced using the rubber chemical for a tire and/or the synthetic rubber for a tire. The present invention relates to a synthesis system for synthesizing aniline and/or styrene from an alcohol having two or more carbon atoms via an aromatic compound. 1. A synthesis system for synthesizing at least one of aniline and styrene from an alcohol having two or more carbon atoms via an aromatic compound.2. The synthesis system according to claim 1 ,wherein the alcohol is ethanol.3. The synthesis system according to claim 2 ,wherein the ethanol is bioethanol.4. The synthesis system according to claim 1 ,wherein the aromatic compound is benzene.5. The synthesis system according to claim 4 ,wherein the benzene is synthesized via at least one of toluene and xylene.6. The synthesis system according to claim 1 ,wherein the aromatic compound is synthesized via an alkene.7. The synthesis system according to claim 1 ,wherein the synthesis system is adapted to subject the alcohol to catalysis by a solid acid catalyst.8. The synthesis system according to claim 7 ,wherein the solid acid catalyst is at least one selected from the group consisting of zeolites, alumina, and titanium compounds.9. The synthesis system according to claim 7 ,wherein the solid acid catalyst is an MFI-type zeolite.10. The synthesis system according to claim 1 ,wherein the synthesis system is adapted to subject the alcohol to catalysis by a solid acid catalyst to give a reaction product, andcirculate the reaction product so that it is further subjected to catalysis by the solid acid catalyst. ...

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Номер записи: 15
18-04-2013 дата публикации

CROSSLINKED COMPOSITIONS AND ARTICLES PREPARED THEREFROM

Номер: US20130096263A1
Автор: Voorheis Peter R., Walther Brian W., Yalvac Selim
Принадлежит: Dow Global Technologies LLC

The invention provides a crosslinked composition formed by thermally treating a composition comprising at least the following: A) an ethylene-based polymer that has a density less than, or equal to, 0.910 g/cc; B) an olefin-based polymer that has a melt viscosity less than, or equal to, 20,000 cP, at 350° F.; and C) a crosslinking agent. 1. A crosslinked composition formed by thermally treating a composition comprising at least the following:A) an ethylene-based polymer that has a density less than, or equal to, 0.910 g/cc;B) an olefin-based polymer that has a melt viscosity less than, or equal to, 20,000 cP, at 350° F.; andC) a crosslinking agent.2. The crosslinked composition of claim 1 , wherein Component A is present in an amount from 50 to 98 weight percent claim 1 , and Component B is present in an amount from 2 to 50 weight percent claim 1 , and wherein the weight percentages of Components A and B are each based on the sum weight of Components A and B.3. The crosslinked composition of claim 1 , wherein the ethylene-based polymer of Component A is an ethylene/α-olefin/diene interpolymer.4. The crosslinked composition of claim 1 , wherein the composition has an ultimate tensile strength greater than 12 MPa claim 1 , an ultimate elongation greater than 100 percent claim 1 , and a Shore A hardness greater than 60.5. The crosslinked composition of claim 1 , wherein the olefin-based polymer of Component B has a melting temperature (Tm) greater than 40° C. claim 1 , as determined by DSC.6. The crosslinked composition of claim 1 , wherein the olefin-based polymer of Component B has a melting temperature (Tm) less than 100° C. claim 1 , as determined by DSC.7. The crosslinked composition of claim 1 , wherein Component B is present in an amount from 2 to 40 weight percent claim 1 , based on the sum weight of Components A and B.8. The crosslinked composition of claim 1 , wherein the olefin-based polymer of Component B has a molecular weight distribution (Mw/Mn) from 1.2 ...

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Номер записи: 16
18-04-2013 дата публикации

MIKTOPOLYMER COMPOSITIONS

Номер: US20130096265A1
Автор: Bening Robert C., FREDRICKSON Glenn H., Handlin, JR. Dale Lee, PASMAN Peter, Willis Carl L.
Принадлежит: KRATON POLYMERS US LLC

The present invention provides a block copolymer composition and method of making the same having the structures (A-B)-X-(A) or (A-B)-X-(BA), where Aand Aare each a polymer block of a monoalkenyl arene and B, B, and Bare each a polymer block of one or more conjugated dienes or a hydrogenated diene polymer, n is an integer from 2 to 30 and X is the residue of a coupling agent. 116-. (canceled)17. An elastomeric polymer composition comprising miktopolymers of the structure (A-B)-X-(B-A) , where{'sub': 1', '2', '1', '2, 'a. Aand Aare each a polymer block of a monoalkenyl arene and Band Bare polymer blocks of one or more conjugated dienes or hydrogenated polymer blocks of one or more conjugated dienes;'}b. n is an integer from 2 to 30; andc. X is the residue of a coupling agent; [{'sub': 1', '2', '1', '1', '2', '1', '1', '2', '2, 'i. τ is an asymmetry parameter of monoalkenyl arene associated with the Aand Ablocks according to the formula τ=NA/(NA+NA) where NAis the number of monomer units in the Amonoalkenyl arene block and NAis the number of monomer units in an Amonoalkenyl arene block;'}, 'ii. f is the volume fraction of monoalkenyl arene in said miktopolymer;', 'iii. τ has a value of 0.7 to 0.95;', 'iv. f has a value greater than or equal to 0.5;', {'sub': 1', '1', '2, 'v. block Ahas a peak molecular weight of between 10,000 and 300,000, and the ratio of the peak molecular weight of Ato Ais greater than or equal to 2; and'}, {'sub': 2', '1, 'vi. Bhas a peak molecular weight of between 20,000 and 150,000 and Bhas a peak molecular weight of between 200 and 5,000.'}], 'and wherein18. The composition according to claim 17 , wherein said mono alkenyl arene for the Aand Ablocks is styrene and said conjugated diene for the Bblock is selected from the group consisting of isoprene claim 17 , 1 claim 17 ,3-butadiene and mixtures thereof and the conjugated diene for the Bblock is 1 claim 17 ,3-butadiene.19. The composition according to wherein at least 90% of the unsaturated ...

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Номер записи: 17
18-04-2013 дата публикации

PORPHYRIN COPOLYMER CONTAINING THIENOTHIADIAZOLE UNITS, PREPARATION METHOD AND USES THEREOF

Номер: US20130096270A1
Автор: Huang Jie, liu Yijin, Zhou Mingjie
Принадлежит: OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO., LTD.

A porphyrin copolymer containing thienothiadiazole units, preparation method and uses thereof are disclosed. The copolymer has the structural formula (I), wherein: R, R, R, Rare same or different and each represents a C-Calkyl; n is an integer of 1-100. The copolymer comprises fluorene units, thienothiadiazole units and porphyrin units, which enhance the density of electron cloud in copolymer skeleton, make the band-gap of the copolymer become narrow, thereby broaden the spectral response range of the copolymer, and improve the photoelectric transformation efficiency. 2. The porphyrin copolymer containing thienothiadiazole units of claim 1 , wherein each unit of the porphyrin copolymer containing thienothiadiazole units has two identical fluorenyl group containing alkyl.3. The porphyrin copolymer containing thienothiadiazole units of claim 1 , wherein the R claim 1 , R claim 1 , Rand Rare same and each represents a C-Calkyl.4. The porphyrin copolymer containing thienothiadiazole units of claim 1 , wherein n is an integer of 10-50.6. The preparation method of a porphyrin copolymer containing thienothiadiazole units of claim 5 , wherein the procedure of the said oxidative condensation includes: under anhydrous and oxygen-free conditions claim 5 , compounds A claim 5 , B claim 5 , and C are dissolved in an organic solvent claim 5 , an organic acid is added as the catalyst claim 5 , the mixture is stirred under 20° C.-100° C. for 1-24 hours claim 5 , dichloro dicyanobenzoquinone (DDQ) is added as the oxidant claim 5 , and stirred for another 1-60 minutes claim 5 , the reaction is quenched by adding triethylamine claim 5 , and the product is obtained following purification.7. The preparation method of a porphyrin copolymer containing thienothiadiazole units of claim 5 , wherein the procedure of the said Suzuki coupling reaction includes: under oxygen-free condition claim 5 , compound D and 5 claim 5 ,15-dibromo-10 claim 5 ,20-bis(9 claim 5 ,9-dialkyl fluorene)porphyrin ...

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Номер записи: 18
16-05-2013 дата публикации

EMULSIONS CONTAINING POLYMERIC CATIONIC EMULSIFIERS, SUBSTANCE AND PROCESS

Номер: US20130123372A1
Автор: Boeckh Dieter, Brym Markus, Dobrawa Rainer, Flores-Figuerroa Aaron, Huelskoetter Frank, Panandiker Rajan K.
Принадлежит: BASF SE

The present invention is directed to stable emulsions comprising oils and a polymeric cationic emulsifier, the process to obtain said emulsions and the use of said emulsions. 115.-. (canceled)16. Emulsion comprisinga) oil(s) in an amount of from 2 to 75 weight %,b) polymeric cationic emulsifiers Px in an amount of from 0.05 to 40 weight %,wherein Px is the product of the polymerization ofA) one or more cationic ethylenically unsaturated monomers (monomer A),B) one or more linear or branched alkyl(meth)acrylates (monomer B),C) from 0 to 30 weight % of one or more C3-C8 monoethylenically unsaturated carboxylic acids (monomer C),c) surfactant(s) Sx in an amount of from 0 to 25 weight %,d) additive(s) Ax in an amount of from 0 to 20 weight % ande) water in an amount of from 10 to 97.95 weight %, based on the total weight of the emulsion.17. Emulsion according to claim 16 , wherein the components independently of each other are present in amounts of:a) oil(s) in an amount of from 5 to 50 weight %,b) polymeric cationic emulsifiers Px in an amount of from 0.5 to 30 weight %,wherein Px is the product of the polymerization ofA) one or more monomers A,B) one or more monomers B,C) from 0 to 30 weight % of one or monomers C,c) surfactant(s) Sx in an amount of from 0.1 to 20 weight %,d) additive(s) Ax in an amount of from 0.1 to 15 weight % ande) water in an amount of from 30 to 90 weight %,based on the total weight of the emulsion.18. Emulsion according to claim 16 , wherein the components independently of each other are present in amounts of:a) oil(s) in an amount of from 10 to 40 weight %,b) polymeric cationic emulsifiers Px in an amount of from 0.5 to 15 weight %,wherein Px is the product of the polymerization ofA) one or more monomers A,B) one or more monomers B,C) from 0 to 30 weight % of one or more monomers C,c) surfactant(s) Sx in an amount of from 0.1 to 15 weight %,d) additive(s) Ax in an amount of from 1 to 10 weight % ande) water in an amount of from 40 to 85 weight ...

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Номер записи: 19
30-05-2013 дата публикации

NICKEL-BASED CATALYST COMPOSITION

Номер: US20130137838A1
Автор: MATSUO Shigeaki, POULTON Jason T., Qin Zengquan, Roggeman David M.
Принадлежит: BRIDGESTONE CORPORATION

In general the present invention provides a process for forming conjugated diene polymer, the process comprising the step of polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composition formed by combining (a) a nickel-containing compound, (b) an alkylating agent, (c) a fluorine-containing compound, (d) a carboxylic acid, and (e) an alcohol. 1. A process for forming conjugated diene polymer , the process comprising the step of:polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composition formed by combining:(a) a nickel-containing compound;(b) an alkylating agent;(c) a fluorine-containing compound; and(d) a carboxylic acid; and(e) an alcohol,where said step of combining includes introducing the fluorine-containing compound after the nickel-containing compound, the alkylating agent, the carboxylic acid, and the alcohol are combined.2. The process of claim 1 , where said step of polymerizing takes place within a non-polar solvent.3. The process of claim 2 , when the non-polar solvent is an aliphatic solvent claim 2 , a cycloaliphatic solvent claim 2 , or a mixture thereof.4. The process of claim 3 , where the molar ratio of said alkylating agent to said nickel-containing compound (alkylating agent/Ni) is from about 1:1 to about 200:1 claim 3 , where the molar ratio of said fluorine-containing compound to said nickel-containing compound (F/Ni) is from about 7:1 to about 500:1 claim 3 , where the molar ratio of said carboxylic acid to said nickel-containing compound (COOH/Ni) is from about 0.1:1 to about 10:1 claim 3 , and where the molar ration of said alcohol to said nickel-containing compound (OH/Ni) is from about 0.4:1 to about 80:1.5. The process of claim 3 , where the molar ratio of said alkylating agent to said nickel-containing compound (alkylating agent/Ni) is from about 3:1 to about 30:1 claim 3 , where the molar ratio of said fluorine-containing ...

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Номер записи: 20
06-06-2013 дата публикации

ARBORESCENT POLYMERS AND PROCESS FOR MAKING SAME

Номер: US20130144021A1
Автор: Kaszas Gabor, Kulbaba Kevin, Puskas Judit
Принадлежит:

The present invention relates to arborescent polymers and to a process for making same. In one embodiment, the present invention relates to arborescent polymers formed from at least one inimer and at least one isoolefin that have been end-functionalized with a polymer or copolymer having a low glass transition temperature (T), and to a process for making such arborescent polymers. In another embodiment, the present invention relates to arborescent polymers formed from at least one inimer and at least one isoolefin that have been end-functionalized with less than about 5 weight percent end blocks derived from a polymer or copolymer having a high glass transition temperature (T), and to a process for making such arborescent polymers. 1. An end-functionalized arborescent polymer comprising:{'sub': 'g', 'an arborescent elastomeric polymer having two or more branching points and a low glass transition temperature (T); and'}{'sub': 'g', 'less than about 5 weight percent end blocks derived from a polymer or copolymer having a high glass transition temperature (T).'}2. The end-functionalized arborescent polymer of claim 1 , wherein the end-functionalized arborescent polymer exhibits thermoplastic elastomeric properties.3. The end-functionalized arborescent polymer of claim 1 , wherein the arborescent elastomeric polymer comprises an arborescent polyisoolefin core.5. The end-functionalized arborescent polymer of claim 6 , wherein the inimer of Formula (I) comprises either an aryl or alkyl group joining A and B.6. The end-functionalized arborescent polymer of claim 6 , wherein the inimer of Formula (I) comprises a benzene ring joining A and B.8. The end-functionalized arborescent polymer of claim 6 , wherein the arborescent elastomeric polymer is formed from at least one inimer selected from the group consisting of 4-(2-hydroxyisopropyl)styrene claim 6 , 4-(2-methoxyisopropyl)styrene claim 6 , 4-(1-methoxyisopropyl)styrene claim 6 , 4-(2-chloroisopropyl)styrene claim 6 , 4-(2 ...

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Номер записи: 21
27-06-2013 дата публикации

Rubber composition and runflat tire

Номер: US20130160912A1
Автор: Christian Jean-Marie Kaes, Frank Schmitz, Ralf Mruk, Robert Fokko Roskamp
Принадлежит: Individual

The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and an encapsulated metal salt. The invention is further directed to a pneumatic runflat tire comprising a sidewall insert, the insert comprising the rubber composition.

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Номер записи: 22
11-07-2013 дата публикации

CYCLIC OLEFIN COPOLYMER AND CROSSLINKED POLYMER THEREOF

Номер: US20130178575A1
Автор: Unezaki Takashi, Yoshida Yasunori
Принадлежит: Mitsui Chemicals, Inc.

The cyclic olefin copolymer of the present invention contains (A) a repeating unit derived from one or more kinds of olefins represented by the following General Formula (I), (B) a repeating unit derived from a cyclic non-conjugated diene represented by the following General Formula (III), and (C) a repeating unit derived from one or more kinds of cyclic olefins represented by the following General Formula (V), wherein when a total mole number of the repeating units is regarded as 100 mol %, the (B) repeating unit derived from a cyclic non-conjugated diene is contained in an amount of 19 mol % to 36 mol %. 2. The cyclic olefin copolymer according to claim 1 ,{'sup': 2,5', '7,10, 'wherein the cyclic non-conjugated diene constituting the (B) repeating unit derived from a cyclic non-conjugated diene is 5-vinyl-2-norbornene or 8-vinyl-9-methyltetracyclo[4.4.0.1.1]-3-dodecene.'}3. The cyclic olefin copolymer according to claim 1 ,wherein the cyclic non-conjugated diene constituting the (B) repeating unit derived from a cyclic non-conjugated diene is 5-vinyl-2-norbornene.4. The cyclic olefin copolymer according to claim 1 ,{'sup': 2,5', '7,10, 'wherein the cyclic olefin constituting the (C) repeating unit derived from a cyclic olefin is bicyclo[2.2.1]-2-heptene or tetracyclo[[4.4.0.1.1]-3-dodecene.'}5. The cyclic olefin copolymer according to claim 1 ,{'sup': 2,5', '7,10, 'wherein the cyclic olefin constituting the (C) repeating unit derived from a cyclic olefin is tetracyclo[4.4.0.1.1]-3-dodecene.'}6. The cyclic olefin copolymer according to claim 1 ,{'sup': 2,5', '7,10, 'wherein the cyclic non-conjugated diene constituting the (B) repeating unit derived from a cyclic non-conjugated diene is 5-vinyl-2-norbornene, and the cyclic olefin constituting the (C) repeating unit derived from a cyclic olefin is tetracyclo[4.4.0.1.1]-3-dodecene.'}8. The method of producing a cyclic olefin copolymer according to claim 7 ,{'sup': 2,5', '7,10, 'wherein the cyclic non-conjugated diene ...

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Номер записи: 23
01-08-2013 дата публикации

COPOLYMER OF CONJUGATED DIENE COMPOUND AND NON-CONJUGATED OLEFIN, RUBBER COMPOSITION, CROSS-LINKED RUBBER COMPOSITION AND TIRE

Номер: US20130197157A1
Автор: Horikawa Yasuo, Kaita Shojiro, Kitano Hideki, Tardif Olivier
Принадлежит: BRIDGESTONE CORPORATION

In a copolymer of a conjugated diene compound and a non-conjugated olefin, the conjugated diene unit has a cis-1,4 bond content of greater than 70.5% and the non-conjugated olefin is contained in an amount of 10 mol % or more. 1. A copolymer of a conjugated diene compound and a non-conjugated olefin , whereinthe conjugated diene unit has a cis-1,4 bond content of greater than 70.5% and the non-conjugated olefin is contained in an amount of 10 mol % or more.2. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is contained in an amount of 50 mol % or less.3. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is contained in an amount of less than 20 mol %.4. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the copolymer has a molecular weight distribution (Mw/Mn) of 10 or less.5. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is an acyclic olefin.6. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is an α-olefin having 2 to 10 carbon atoms.7. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is at least one selected from a group consisting of ethylene claim 1 , propylene and 1-butene.8. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 7 , wherein the non-conjugated olefin is ethylene.9. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the conjugated diene compound has 4 to 8 carbon atoms.10. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 9 , wherein the conjugated diene compound ...

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Номер записи: 24
01-08-2013 дата публикации

Copolymer of a conjugated diene compound and a non-conjugated olefin, rubber composition, crosslinked rubber composition, and tire

Номер: US20130197179A1
Автор: Junko Matsushita, Olivier Tardif, Shojiro Kaita, Yasuo Horikawa
Принадлежит: Bridgestone Corp

Provided is a copolymer of a conjugated diene compound and a non-conjugated olefin, the copolymer being a random copolymer including randomly arranged monomer units of the conjugated diene compound and of the non-conjugated olefin, in which the non-conjugated olefin is preferably an acyclic olefin, the non-conjugated olefin preferably has 2 to 10 carbon atoms, and specific examples of the non-conjugated olefin preferably include ethylene, propylene, and 1-butene.

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Номер записи: 25
08-08-2013 дата публикации

MODIFIED POLYMER COMPOSITIONS

Номер: US20130202830A1
Автор: Knoll Susanne, Rulhoff Sascha, Thiele Sven
Принадлежит:

The invention provides a first composition comprising at least the following: i) a modified polymer comprising at least one branched modified polymer macromolecule (b1) and at least one linear modified polymer macromolecule (a1), and wherein the at least one branched modified polymer macromolecule and the at least one linear modified polymer macromolecule each, independently, comprises at least one amine group selected from the group consisting of formulas (1A-1F), each as described above: and combinations thereof; and wherein the at least one branched modified polymer macromolecule further comprises one of the structures (ib1-ib4) as described above, and the at least one linear modified polymer macromolecule further comprises one of the structures (iib1) as described above (see Formula 3A) 2. The composition of claim 1 , wherein the amine group is selected from the group consisting of Formula 1D claim 1 , Formula 1E claim 1 , and Formula 1F.3. The composition of claim 2 , wherein E is selected from the group consisting of (i) a (C-C) alkyl which is substituted with an amine group which is a tertiary amine claim 2 , RRRSi— or RRRSi-amine group claim 2 , (C-C) aryl claim 2 , (C-C) aralkyl; (ii) tertiary amine group; (iii)RRRSiN group; (iv) an oxygen atom (O); (v) a sulfur atom (S); (vi) N—CHR—CR═CR; (vii) N—CHR—C═CHR; (viii) N—CR—CR═CHR; (ix) N—CHR—CR═CHR; and (x) H—N group.4. The composition of claim 2 , wherein E is a (C-C) alkyl which is substituted with a tertiary amine group or a RRRSiN group.5. The composition of claim 2 , wherein E is an oxygen atom (O) or a sulfur atom (S).6. The composition of claim 2 , wherein E is N—CHR—CR═CR claim 2 , N—CHR—C═CHR claim 2 , N—CR—CR═CHRor N—CHR—CR═CHR.7. The composition of claim 2 , wherein E is an H—N group or a RRRSiN group.8. The composition of claim 1 , wherein the amine group is selected from the group consisting of Formula 1A claim 1 , Formula 1B claim 1 , or Formula 1C;a is 2;b is 0; and{'sup': 6', '45', '46', '47, ' ...

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Номер записи: 26
08-08-2013 дата публикации

PROCESS FOR THE PRODUCTION OF AN UHMWPE ARTICLE

Номер: US20130203886A1
Автор: Janssen Robert Hendrik Catharina, Kukalyekar Nileshkumar Prakash, Matloka Piotr Pawel, Mulders Mitcha Sandor Nicolaas, Smelt Harold Jan, Stolk Jan
Принадлежит:

The invention relates to a process for the production of an article, wherein—ethylene is polymerized with a polyene and optionally another comonomer, resulting in a polymer with a MFI (21.6) between 0.05 dg/min and 100 dg/min,—melt processing the polymer into an article,—optionally crosslinking the polymer during or after melt processing the polymer and—optionally sterilizing the polymer article by high energy irradiation. 114-. (canceled)15. A process for the production of an artificial medical implant , comprising the steps ofpolymerizing ethylene with a polyene and optionally another comonomer, resulting in a polymer with a MFI (21.6) between 0.05 dg/min and 100 dg/min,melt processing the polymer into an article, andcrosslinking and sterilizing the polymer by high energy irradiation after melt processing the polymer into an article, wherein crosslinking and sterilizing the polymer is combined during the same irradiation step.16. The process of claim 15 , wherein the irradiation dose for crosslinking and sterilization is between 10 and 40 kGy.17. The process of claim 15 , wherein the polyene is a diene.18. The process of claim 17 , wherein the diene is a linear diene.19. The process of claim 15 , wherein the amount of unsaturations in the polymer is between 1 and 1500 per 100 claim 15 ,000 carbon atoms.20. The process of claim 15 , wherein the crosslinked polymer has a wear factor lower than 2.0 10mm/Nm.21. The process according to claim 15 , wherein the yield stress of the crosslinked polymer is between 15 and 50 MPa.22. The process of wherein the high energy irradiation is gamma irradiation.23. An artificial medical implant made by the process of .24. The artificial medical implant of claim 23 , wherein the artificial medical implant is a total joint replacement. The present invention relates to a process for the production of an UHMWPE article, to the article itself and to the use of the article in a medical application.Ultrahigh molecular weight polyethylene ( ...

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Номер записи: 27
08-08-2013 дата публикации

PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE POLYMERS

Номер: US20130203942A1
Автор: Bäcker Werner, Feller Rolf, Kirchhoff Jörg, Lovegrove John, Paul Hanns-Ingolf, Wagner Paul
Принадлежит: LANXESS INTERNATIONAL SA

The present invention relates to water and solvent-free polymers, in particular water and solvent-free synthetic rubber products like non-halogenated and halogenated butyl rubber products as well as a process for the production thereof. The invention further relates to a device suitable to accomplish said process. 1. A process of removing volatile compounds from a concentrated fluid (L) containing at least one non-volatile polymer and at least one volatile compound which comprises at least the step of: [{'b': '8', 'I) a first drying section () and'}, {'b': '9', 'claim-text': extruder degassing section comprising at least a conveying section and a vent port with one or more vapor lines,', 'an accumulating section and an outlet section,', 'whereby volatile compounds are removed through the vent ports and vapor lines;, 'II) a main extruder section () comprising at least an'}], 'a) feeding a concentrated fluid into at least one drying unit, the drying unit comprising in flow direction at least'} the first drying section is either a kneader or a first extruder and the main extruder section is a main extruder or', 'the drying section and the main extruder section are both part of a main extruder, whereby the drying section is upstream the main extruder section and has a smaller cross section than the main extruder section and', 'the product obtained at the outlet section of the main extruder is substantially free of volatile compounds., 'whereby'}2. The process pursuant to claim 1 , characterized in that the non-volatile polymers are synthetic rubber products.3. The process pursuant to claim 2 , characterized in that the synthetic rubber product are halogenated butyl rubbers.4. The process pursuant to to claim 2 , characterized in that the Fluid (F) contains from 3 to 50 wt % of a non-volatile polymer and from 60 to 97 wt % volatile compounds claim 2 , whereby the aforementioned components add up to 90 to 100 of the total mass of fluid (F).5. The process pursuant to to ...

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Номер записи: 28
08-08-2013 дата публикации

Ionic Viscoelastics and Viscoelastic Salts

Номер: US20130204010A1
Автор: Mark W. Grinstaff, Michel Wathier
Принадлежит: Boston University

One embodiment of the present invention relates to ionic liquids and ionic viscoelastics formed between [1] a small molecule or macromolecule containing two or more cations; and [2] a small molecule or macromolecule containing two or more anions. Another embodiment of the invention is the use of the inventive ionic liquids and ionic viscoelastics, formed between a small molecule or macromolecule containing two or more cations and a small molecule or macromolecule containing two or more anions, to form a crosslinked network. In certain embodiments, the ionic liquids formed can be viscous liquids, viscous liquid formed networks, or viscoelastic networks/gels. In certain embodiments, the ionic material of the invention may be used for a variety of applications including, but not limited to, lubricants, additives, gas separation, liquid separation, membranes, fuel cells, sensors, batteries, coatings, heat storage, liquid crystals, biocompatible fluids, solvents, and electronic materials.

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Номер записи: 29
15-08-2013 дата публикации

COPOLYMER OF CONJUGATED DIENE COMPOUND AND NON-CONJUGATED OLEFIN, RUBBER COMPOSITION AND TIRE

Номер: US20130210994A1
Автор: Horikawa Yasuo, Kaita Shojiro, Kitano Hideki, Tardif Olivier
Принадлежит: BRIDGESTONE CORPORATION

The present invention provides a copolymer of a conjugated diene compound and a non-conjugated olefin, in which the conjugated diene unit has cis-1,4 bonds and the non-conjugated olefin contains many ethylene structures. In a copolymer of a conjugated diene compound and an unconjugated olefin other than the conjugated diene compound, the conjugated diene unit has a cis-1,4 bond content of 50% or more and the unconjugated olefin is contained in an amount of 20 mol % or more. 1. A copolymer of a conjugated diene compound and a non-conjugated olefin other than the conjugated diene , whereinthe conjugated diene unit has a cis-1,4 bond content of 50% or more and the non-conjugated olefin is contained in an amount of 20 mol % or more.2. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is an acyclic olefin.3. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is an α-olefin having 2 to 10 carbon atoms.4. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is at least one selected from a group consisting of ethylene claim 1 , propylene and 1-butene.5. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the conjugated diene compound has 4 to 8 carbon atoms.6. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the conjugated diene compound is at least one selected from a group consisting of 1 claim 1 ,3-butadiene and isoprene.7. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the conjugated diene compound has a cis-1 claim 1 ,4 bond content of 80% or more.8. The copolymer of a conjugated diene compound and an unconjugated olefin according to claim 1 , wherein the copolymer has a ...

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Номер записи: 30
15-08-2013 дата публикации

COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, AND TIRE

Номер: US20130211010A1
Автор: Horikawa Yasuo, Kaita Shojiro, Matsushita Junko, Tardif Olivier
Принадлежит: BRIDGESTONE CORPORATION

Provided is a copolymer of a conjugated diene compound and a non-conjugated olefin, the copolymer being a block copolymer, the conjugated diene compound unit having 1,2 adduct (including 3,4 adduct) content of 5% or less or the conjugated diene compound unit having a cis-1,4 bond content of more than 92%, in which preferred examples of the conjugated diene compound include 1,3-butadiene and isopropylene, and preferred examples of the non-conjugated olefin include ethylene, propylene, and 1-butene. 1. A copolymer of a conjugated diene compound and a non-conjugated olefin , wherein the copolymer is a block copolymer , and the conjugated diene compound unit has a 1 ,2 adduct (including 3 ,4 adduct) content of 5% or less , or the conjugated diene compound unit has a cis-1 ,4 bond content of more than 92%.2. The copolymer according to claim 1 , wherein the copolymer contains the non-conjugated olefin by more than 0 mol % and less than 100 mol.3. The copolymer according to claim 2 , wherein the copolymer contains the non-conjugated olefin by more than 0 mol % and less than 50 mol.4. The copolymer according to claim 1 , wherein the conjugated diene compound unit has 1 claim 1 ,2 adduct (including 3 claim 1 ,4 adduct) content of 5% or less claim 1 , and the conjugated diene compound unit has a cis-1 claim 1 ,4 bond content of more than 92%.5. The copolymer according to claim 1 , wherein the block copolymer has any one of the structures of (A-B) claim 1 , A-(B-A) claim 1 , and B-(A-B) claim 1 , where A represents a block sequence including monomer units of the non-conjugated olefin claim 1 , B represents a block sequence including monomer units of the conjugated diene compound claim 1 , and x represents an integer of at least 1.6. The copolymer according to claim 1 , comprising a copolymer having a polystyrene-equivalent average-weight molecular weight of 10 claim 1 ,000 to 10 claim 1 ,000 claim 1 ,000.7. The copolymer according to claim 1 , comprising a copolymer having a ...

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Номер записи: 31
15-08-2013 дата публикации

Method for preparing polypropylene using transition metal compound containing thiophene-fused cyclopentadienyl ligand

Номер: US20130211021A1
Автор: Bun-Yeoul Lee, Hwa-Kyu Kim, Jae-Young Park, Ji-Hae Park, Seung-Hyun Do, Seung-Woong Yoon
Принадлежит: Lotte Chemical Corp

The present invention relates to a preparation method for polypropylene that comprises polymerizing a propylene monomer in the presence of a catalyst comprising a novel transition metal compound. Using the novel transition metal compound as a catalyst, the preparation method for polypropylene according to the present invention can not only acquire high catalytic activity for polymerization to achieve high efficiency of the process but allow it to easily control the fine-structure characteristics of the polymer, thereby providing polypropylene having desired properties with ease.

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Номер записи: 32
15-08-2013 дата публикации

METHOD FOR PREPARING OLEFIN-DIENE COPOLYMER USING TRANSITION METAL COMPOUND CONTAINING THIOPHENE-FUSED CYCLOPENTADIENYL LIGAND

Номер: US20130211024A1
Автор: Do Seung-Hyun, Kim Hwa-Kyu, Lee Bun-Yeoul, Park Jae-Young, Park Ji-Hae, Yoon Seung-Woong
Принадлежит: HONAM PETROCHEMICAL CORPORATION

The present invention relates to a preparation method for olefin-diene copolymer that comprises polymerizing at least one olefin-based monomer and at least one diene-based monomer in the presence of a catalyst comprising a novel transition metal compound. Using the novel transition metal compound as a catalyst, the preparation method for olefin-diene copolymer according to the present invention can not only acquire high catalytic activity for copolymerization of the olefin and diene monomers to achieve high process efficiency but allow it to easily control the fine-structure characteristics of the copolymer, thereby providing an olefin-diene copolymer having desired properties with ease. 2. The method as claimed in claim 1 , wherein M is titanium (Ti) claim 1 , zirconium (Zr) claim 1 , or hafnium (Hf);{'sup': 1', '2, 'Qand Qare independently methyl or chlorine;'}{'sup': 1', '2', '3', '4', '5, 'R, R, R, R, and Rare independently hydrogen or methyl; and'}{'sup': 6', '7', '8', '9', '10', '11', '12', '13, 'R, R, R, R, R, R, R, and Rare independently hydrogen.'}3. The method as claimed in claim 2 , wherein at least one of Rand Ris methyl; and{'sup': '5', 'Ris methyl.'}4. The method as claimed in claim 1 , wherein the catalyst further comprises at least one co-catalyst compound selected from the group consisting of compounds represented by the following formula 6 claim 1 , 7 claim 1 , or 8:{'br': None, 'sup': '61', 'sub': 'a', '—[Al(R)—O]—\u2003\u2003[Formula 6]'}{'sup': '61', 'sub': 1', '20', '1', '20, 'wherein Ris independently a halogen radical, a C-Chydrocarbyl radical, or a halogen-substituted C-Chydrocarbyl radical; and'} {'br': None, 'sup': '71', 'sub': '3', 'D(R)\u2003\u2003[Formula 7]'}, 'a is an integer of 2 or above,'}{'sup': '71', 'sub': 1', '20', '1', '20, 'claim-text': {'br': None, 'sup': +', '+', '−, 'sub': 4', '4, '[L-H][Z(A)] or [L][Z(A)]\u2003\u2003[Formula 8]'}, 'wherein D is aluminum (Al) or boron (B); and Ris independently a halogen radical, a C- ...

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Номер записи: 33
15-08-2013 дата публикации

Hydrocarbon Polymer Modifiers

Номер: US20130211027A1
Автор: Barbee Thomas R., Blok Edward J., Dias Anthony J.
Принадлежит: ExxonMobile Chemical Company

A hydrocarbon polymer modifier (HPM) having high softening point and high aromaticity, is an interpolymer of (i) a piperylene component; (ii) an aromatic component; and (iii) a cyclic pentadiene component comprising a dicyclopentadiene fraction (DCPD fraction) and a dimethylcyclopentadiene fraction (MCPD fraction), wherein a weight ratio of the MCPD fraction to the DCPD fraction is from 0.8 to 20, and wherein the MCPD fraction is at least 20 wt % of the cyclic pentadiene component. In a method, the proportions of (i), (ii), (iii), and an optional amylene component are adjusted to control aromaticity, softening point and Mz of the HPM. An elastomeric composition incorporates the HPM. 1. A hydrocarbon polymer modifier , comprising:an interpolymer of (i) a piperylene component; (ii) an aromatic component; and (iii) a cyclic pentadiene component comprising a dicyclopentadiene fraction (DCPD fraction) and a dimethylcyclopentadiene fraction (MCPD fraction), wherein a weight ratio of the MCPD fraction to the DCPD fraction is from 0.8:1 to 100:1, wherein the MCPD fraction is at least 20 wt % of the cyclic pentadiene component; andwherein the interpolymer comprises (a) a softening point from 40° C. to 160° C., (b) Mn greater than 400, (c) Mz less than 15,000, and (d) at least 8 mole percent aromatic hydrogen, based on the total moles of hydrogen in the interpolymer.2. The hydrocarbon polymer modifier of claim 1 , wherein the MCPD fraction:DCPD fraction ratio is from 2:1 to 100:1 and the aromatic hydrogen content is at least 10 mole percent.3. The hydrocarbon polymer modifier of claim 1 , wherein the aromatic component comprises alpha-methylstyrene.4. The hydrocarbon polymer modifier of claim 1 , wherein the interpolymer comprises a Mw/Mn from 1.5 to 4.5. The hydrocarbon polymer modifier of claim 1 , wherein the MCPD fraction comprises at least 45 wt % of the cyclic pentadiene component claim 1 , and wherein the interpolymer comprises a softening point of at least 80° C. ...

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Номер записи: 34
15-08-2013 дата публикации

Process for the production of water and solvent-free nitrile rubbers

Номер: US20130211031A1
Автор: Franz-Josef Mersmann, Hanns-Ingolf Paul, John Lovegrove, Jörg KIRCHHOFF, Matthias Soddemann, Paul Wagner, Rolf Feller, Thomas Koenig, Werner BÄCKER, Werner Obrecht
Принадлежит: LANXESS DEUTSCHLAND GMBH, LANXESS INTERNATIONAL SA

The present invention relates to specific water and solvent-free nitrile rubbers having specific functional groups and/or end groups, a process for the production thereof and the use thereof. This process involves removing volatile compounds from a fluid (F) containing (1) at least one nitrile rubber and (2) at least one volatile compound, wherein the process comprises at least the steps of a.) treating the fluid (F) in at least one conversation unit, b.) retreating the concentrated fluid from step a.) in at least one retreating unit and c.) feeding the retreated concentrated fluid from step b.) into at least one retreating unit.

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Номер записи: 35
15-08-2013 дата публикации

METHOD FOR CONTROLLING CHAIN STRUCTURE OF COPOLYMER

Номер: US20130211032A1
Автор: Kaita Shojiro
Принадлежит: BRIDGESTONE CORPORATION

The present invention provides a method for controlling the chain structure of a copolymer. The disclosed method is capable of controlling the arrangement of monomeric units in a copolymer, and of selectively forming a random copolymer, tapered copolymer, multiblock copolymer and block copolymer. In the method for controlling the chain structure of a copolymer of a conjugated diene compound and a non-conjugated olefin, the introduction of the conjugated diene compound is controlled in the presence of the non-conjugated olefin so as to control the chain structure of the copolymer. 1. A method for controlling the chain structure of a copolymer of a conjugated diene compound and a non-conjugated olefin , wherein the introduction of the conjugated diene compound is controlled in the presence of the non-conjugated olefin so as to control the chain structure of the copolymer.2. The method for controlling the chain structure of the copolymer according to claim 1 , wherein the conjugated diene compound is a conjugated diene compound having 4 to 8 carbon atoms.3. The method for controlling the chain structure of the copolymer according to claim 2 , wherein the conjugated diene compound is at least one compound selected from a group consisting of 1 claim 2 ,3-butadiene and isoprene.4. The method for controlling the chain structure of the copolymer according to claim 1 , wherein the non-conjugated olefin is an acyclic olefin.5. The method for controlling the chain structure of the copolymer according to claim 4 , wherein the acyclic olefin is an α-olefin having 2 to 10 carbon atoms.6. The method for controlling the chain structure of the copolymer according to claim 5 , wherein the α-olefin is at least one compound selected from a group consisting of ethylene claim 5 , propylene and 1-butene.7. The method for controlling the chain structure of the copolymer according to claim 1 , wherein the amount of the conjugated diene compound to be introduced is controlled so as to ...

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Номер записи: 36
22-08-2013 дата публикации

MODIFIED POLYMER COMPOSITIONS, MODIFICATION PROCESS AND FREE RADICAL GENERATING AGENTS FOR I.A. WIRE AND CABLE APPLICATIONS

Номер: US20130213688A1
Автор: NILSSON Daniel
Принадлежит: Borealis AG

A compound of formula (I) as defined in claims. 3. A compound as claimed in claim 1 , wherein Rand R are methyl.5. A compound as claimed in claim 1 , wherein the groups CRand CR are the same.7. A compound as claimed in wherein the dotted bond is present thus forming a triple bond.8. A compound as claimed in wherein Rz is a covalent bond.9. A polymer composition comprisingA) a polymer and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'B) a compound of formula I as claimed .'}10. A polymer composition as claimed in wherein said polymer is a polyolefin.11. A modified polymer composition in which the polymer composition of is cross-linked by initiating a radical reaction in the polymer composition.12. A crosslinkable cable which comprises a conductor which is surrounded by one or more layers claim 9 , wherein the at least one layer comprises the polymer composition as claimed in .13. A crosslinkable cable as defined in claim 12 , which is selected from any of the following cables:a low voltage cable comprising a conductor surrounded by an insulation layer and optionally a jacketing layer, wherein at least one layer, comprises the polymer composition; ora power cable comprising an electrical conductor surrounded by one or more layers comprising at least an inner semiconductive layer, insulation layer and an outer semiconductive layer, in that order, and optionally surrounded by a jacketing layer, wherein at least one of said layers comprises, the polymer composition.14. A process for producing a crosslinkable cable comprising applying one or more layers comprising a polymer composition on a conductor wherein at least one layer comprises a polymer composition as claimed in .15. A process as claimed in for crosslinking a cable by radical reaction claim 14 , comprising:applying one or more layers comprising the polymer composition on a conductor, andcrosslinking by radical reaction said at least one layer; optionallysubjecting the crosslinked cable thus obtained to a ...

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Номер записи: 37
22-08-2013 дата публикации

Modified Polyethylene Compositions with Enhanced Melt Strength

Номер: US20130216812A1
Автор: Cheng Jianya, Pejiun Jiang, Shirodkar Pradeep P., Soulages Johannes M.
Принадлежит:

The present invention relates to a branched modifier and a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g′of 0.97 or more and an Mw of 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a) a g′of 0.70 or less; b) an Mw of 100,000 g/mol or more; c) an Mw/Mn of 4.0 or more; d) a shear thinning ratio of 110 or more, e) a melt strength of 10 cN or more; f) a complex viscosity at 0.1 rad/sec at 190° C. of at least 130,000 Pa·s; and g) a phase angle of Z° or less where Z=138.3G*, where G* is the complex modulus reported in Pascals measured at 190° C. and the phase angle units are reported in degrees, wherein the G* is from 1,000 to 1,000,000 Pa. 1. A branched polyethylene modifier comprising at least 50 mol % ethylene , one or more Cto Ccomonomers , and a polyene having at least two polymerizable bonds , wherein said branched polyethylene modifier has: a) a g′of 0.70 or less; b) an Mw of 100 ,000 g/mol or more; c) an Mw/Mn of 4.0 or more; d) a shear thinning ratio of 110 or more , e) a melt strength of 10 cN or more; f) a complex viscosity at 0.1 rad/sec at 190° C. of at least 130 ,000 Pa·s; and g) a phase angle of Z° or less where Z=138.3G* , where G* is the complex modulus reported in Pascals measured at 190° C. and the phase angle units are reported in degrees , wherein the G* is from 1 ,000 to 1 ,000 ,000 Pa.2. The modifier of claim 1 , wherein the comonomer is present at from 0.5 mol % to 30 mol %.3. The modifier of claim 1 , wherein the polyene is present at from 0.001 mol % to 10 mol %.4. The modifier of claim 1 , wherein the modifier has a g′of 0.70 or less.5. The modifier of claim 1 , wherein the modifier has a strain-hardening ratio of 1.5 or greater.6. The modifier of claim 1 , wherein the Cto Ccomonomers are one or more Cto Calpha olefin comonomers.7. The modifier of claim 1 , wherein the modifier has a phase angle at complex shear ...

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Номер записи: 38
22-08-2013 дата публикации

PROCESS FOR THE PRODUCTION OF RUBBER IONOMERS AND POLYMER NANOCOMPOSITES

Номер: US20130217833A1
Автор: Adkinson Dana, Feller Rolf, Kirchhoff Jörg, Lovegrove John, Magill Phil, Paul Hanns-Ingolf, Wagner Paul
Принадлежит: LANXESS INTERNATIONAL SA

The invention relates to an energy efficient, environmentally favourable process for preparing water and solvent-free rubber ionomers and/or polymer nanocomposites comprising said rubber ionomers. 1. A process for the preparation of rubber ionomers comprising at least the steps of: a concentrated fluid (L) containing at least one brominated rubber and at least one volatile compound', 'and at least one nitrogen and/or phosphorous containing nucleophile., 'a) feeding at least'} an extruder degassing section comprising at least a conveying section and at least one vent port with one or more vapor lines,', 'an accumulating section and', 'an outlet section,, 'into an extruder unit comprising at least'}andb) at least partially reacting the brominated rubber or the brominated rubbers with the nitrogen and/or phosphorous containing nucleophile or the nitrogen and/or phosphorous containing nucleophiles within the extruder unit whereby rubber ionomers (ION) are formed and volatile compounds are at least partially removed through the vent ports and vapor lines.2. A process for the preparation of polymer nanocomposites comprising at least the steps of: a concentrated fluid (L) containing at least one brominated rubber and at least one volatile compound', 'and at least one nitrogen and/or phosphorous containing nucleophile', 'and at least one filler, 'a*) feeding at least'} an extruder degassing section comprising at least a conveying section and at least one vent port with one or more vapor lines,', 'an accumulating section and', 'an outlet section,, 'into an extruder unit comprising at least'}and [ the brominated rubber or the brominated rubbers and the nitrogen and/or phosphorous containing nucleophile or the nitrogen and/or phosphorous containing nucleophiles and/or', 'the rubber ionomers (ION), 'formation of polymer nanocomposites by reaction of'}, 'with at least one filler, 'b*) reacting the brominated rubber or the brominated rubbers with the nitrogen and/or phosphorous ...

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Номер записи: 39
29-08-2013 дата публикации

Terpene derived compounds

Номер: US20130225462A1
Автор: Stephen A. Di Biase, Syed Q.A. Rizvi
Принадлежит: Elevance Renewable Sciences Inc

This invention relates to terpene derived compounds and farnesene derived compounds, and to the use of such terpene derived compounds and farnesene derived compounds in lubricants, detergents, dispersants, functional fluids, fuels, polymer compositions, cold flow improvers, and the like.

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Номер записи: 40
29-08-2013 дата публикации

Polymer composition and a molded article thereof

Номер: US20130225753A1
Автор: Hiroshi Ozawa, Hiroyuki Konishi, Katsuji Miyake
Принадлежит: Kuraray Co Ltd

A polymer composition comprising a methacrylic resin (A) having not less than 50% by mass of repeated units derived from methyl methacrylate, a block copolymer (B) having a polymer block (a) composed of repeated units derived from an alkyl(meth)acrylate ester and a polymer block (b) composed of repeated units derived from a conjugated diene compound and flowable polyorganosiloxane (C), wherein the amount of the block copolymer (B) is 1 to 80 parts by mass relative to 100 parts by mass of the methacrylic resin (A), the amount of the flowable polyorganosiloxane (C) is 0.05 to 0.5 part by mass relative to 100 parts by mass of the block copolymer (B), and a phase composed of the block copolymer (B) is dispersed in a continuous phase composed of the methacrylic resins (A).

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Номер записи: 41
12-09-2013 дата публикации

Process for the Preparation of a 1,3-Butadiene and Styrene Copolymer Containing a Random Section in its Main Chain Followed by a Block with a Structure Differentiated from the Main Chain, Hompolymeric or Copolymeric, Functionalized and the Product Obtained From This

Номер: US20130237666A1
Автор: "de SantAnna Monica de Almeida", de Albuquerque Campos Carlos Roberto, de Lira Clovis Henriques, Dolinsky Mauro Cresta de Barros, Figueiredo Fernando Vasconcelos, Nicolini Luiz Fernando, Pires Neusa Maria Toccheto
Принадлежит: LANXESS Elastomeros do Brasil S.A.

This invention refers to a process for the preparation of a 1,3-butadiene and styrene copolymer, containing a random section in its main chain, followed by a block with a structure differentiated from the main chain, homopolymeric or copolymeric, functionalized, and the product obtained from this. 1. A process for preparing copolymer of 1 ,3-butadiene and styrene containing in its main chain a random segment , followed by a block having a different structure to the main chain , homopolymeric or copolymeric , functionalized and characterized by comprising the steps of:a first step of random copolymerization corresponding to an aromatic vinyl structure monomer and a conjugated diene with percentage relationship ranging between monomers of 5% to 50% w/w, for the aromatic vinyl monomer, and ranging from 50% to 95% w/w for the conjugated diene;{'sup': 2', '2, 'a second step of adding a determined quantity of the monomer(s) in a temperature range of between 55° C. and 90° C., with the reactor pressure ranging from 2 Kgf/cmto 6 Kgf/cm;'}a third step of adding functionalization compound of the copolymer in a temperature range of between 60° C. and 80° C., in the same pressure range as used in the prior step; anda stabilization step comprising the addition of antioxidants trinonylphenylphosphite and octadecyl 3,5-di-t-butyl-4-hydroxyhydrocinnamate.2. The process of claim 1 , characterized by the fact that in the copolymerization step the percentage relationship between these monomers varies from 15% to 40% w/w for the aromatic vinyl monomer and from 60% to 85% w/w for the conjugated diene.3. The process of claim 1 , characterized by the fact that the solvent employed in the copolymerization step belongs to the class of aliphatics claim 1 , is preferably one of among cyclohexane and n-hexane.4. The process of claim 1 , characterized by the fact that in the copolymerization step the percentage relationship w/w monomers/solvent corresponds to a content of solids between 8% and ...

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Номер записи: 42
19-09-2013 дата публикации

Functionalized elastomer

Номер: US20130245199A1
Автор: Alexandra Hermann, Ralf Mruk, Robert Fokko Roskamp, Rudolf Wilhelm Zentel
Принадлежит: Individual

The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising an oligopeptide or modified oligopeptide.

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Номер записи: 43
26-09-2013 дата публикации

POLYMERS OF ISROPENE FROM RENEWABLE RESOURCES

Номер: US20130253141A1
Автор: Aldor Ilana S., Cervin Marguerite, Chotani Gopal K., Feher Frank J., Fioresi Carol, McAuliffe Joseph, Miasnikov Andrei, Puhala Aaron S., SANFORD Karl J., Valle Fernando, Whited Gregory M.
Принадлежит:

It has been found that certain cells in culture can convert more than about 0.002 percent of the carbon available in the cell culture medium into isoprene. These cells have a heterologous nucleic acid that (i) encodes an isoprene synthase polypeptide and (ii) is operably linked to a promoter. The isoprene produced in such a cultured medium can then be recovered and polymerized into synthetic rubbers and other useful polymeric materials. The synthetic isoprene containing polymers of this invention offer the benefit of being verifiable as to being derived from non-petrochemical based resources. They can also be analytically distinguished from rubbers that come from natural sources. The present invention more specifically discloses a polyisoprene polymer which is comprised of repeat units that are derived from isoprene monomer, wherein the polyisoprene polymer has δC value of greater than −22‰. 1. A polyisoprene polymer which is comprised of repeat units that are derived from isoprene monomer , wherein the polyisoprene polymer has δC value of greater than −22.2. The polyisoprene polymer as specified in wherein the polyisoprene polymer is a homopolymer.3. The polyisoprene polymer as specified in wherein the polyisoprene polymer has a cis-microstructure content which is within the range of 98% to 99.5% claim 2 , a 3 claim 2 ,4-microstructure content which is within the range of 0.5% to 2.0% claim 2 , and a trans-microstructure content which is within the range of 0.0% to 0.5%.4. The polyisoprene polymer as specified in wherein the polyisoprene polymer contains more than 70 percent 1 claim 2 ,2- and 3 claim 2 ,4-structural units.5. The polyisoprene polymer as specified in wherein the polyisoprene polymer has a 3 claim 2 ,4-microstructure content which is within the range of about 65% to about 85% and a cis-1 claim 2 ,4-microstructure content which is within the range of about 15% to about 35%.6. The polyisoprene polymer as specified in wherein the polyisoprene polymer is ...

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Номер записи: 44
03-10-2013 дата публикации

ARBORESCENT POLYMERS HAVING A CORE WITH A HIGH GLASS TRANSITION TEMPERATURE AND PROCESS FOR MAKING SAME

Номер: US20130261250A1
Автор: Davidson Greg, Ferrari Lorenzo, Kulbaba Kevin, Stojcevic Goran, Teertstra Steven
Принадлежит: LANXESS INC.

The present invention relates to arborescent polymers comprising isoolefins and styrenic monomers, as well as processes for making same. In particular, the invention relates to highly branched block copolymers comprising an arborescent core with a high glass-transition temperature (Tg) and branches attached to the core terminated in polymer endblock segments with a low Tg. The copolymers of the invention desirably exhibit thermoplastic elastomeric properties and, in one embodiment, are desirably suited to biomedical applications. 1. A highly branched arborescent block copolymer , comprising:{'sub': 'g', 'a. an arborescent polymer core having more than one branching point, the arborescent polymer core having a high glass-transition temperature (T) of greater than 40° C.; and,'}{'sub': 'g', 'b. branches attached to the arborescent polymer core terminated in polymer endblock segments having a low Tof less than 40° C.'}2. The copolymer of claim 1 , wherein the copolymer exhibits thermoplastic elastomeric properties.3. The copolymer of claim 1 , wherein the copolymer comprises at least 65 wt % endblock segments.4. The copolymer of claim 1 , wherein the molecular weight (Mn) of the end blocks is at least 50 claim 1 ,000 g/mol.5. The copolymer of claim 1 , wherein the arborescent core comprises styrenic monomers.6. The copolymer of claim 5 , wherein the styrenic monomers comprise para-methylstyrene.7. The copolymer of claim 1 , wherein the endblock segments comprise isoolefin monomers.8. The copolymer of claim 7 , wherein the isoolefin monomers comprise isobutene.9. The copolymer of claim 7 , wherein the endblock segments further comprise conjugated diene monomers.10. The copolymer of claim 9 , wherein the conjugated diene monomers comprise isoprene.11. The copolymer of claim 1 , wherein the core has a branching frequency of from about 0.5 to about 30.12. The copolymer of claim 1 , wherein the core has a branching frequency of from about 0.9 to about 10.13. The copolymer ...

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Номер записи: 45
03-10-2013 дата публикации

CATALYST SYSTEMS AND THEIR USE FOR METATHESIS REACTIONS

Номер: US20130261269A1
Автор: MUELLER Julia Marie, Nuyken Oskar, Obrecht Werner
Принадлежит:

Novel catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, which contain a specific addition of boric acid compounds. 3. The process according to claim 2 , wherein Xand Xare identical or different and are each hydrogen claim 2 , halogen claim 2 , pseudohalogen claim 2 , straight-chain or branched C-C-alkyl claim 2 , C-C-aryl claim 2 , C-C-alkoxy claim 2 , C-C-aryloxy claim 2 , C-C-alkyldiketonate claim 2 , C-C-aryldiketonate claim 2 , C-C-carboxylate claim 2 , C-C-alkylsulphonate claim 2 , C-C-arylsulphonate claim 2 , C-C-alkylthiol claim 2 , C-C-arylthiol claim 2 , C-C-alkylsulphonyl or C-C-alkylsulphinyl radicals.4. The process according to claim 2 , wherein Xand Xare identical or different and are each halogen claim 2 , benzoate claim 2 , C-C-carboxylate claim 2 , C-C-alkyl claim 2 , phenoxy claim 2 , C-C-alkoxy claim 2 , C-C-alkylthiol claim 2 , C-C-arylthiol claim 2 , C-C-aryl or C-C-alkylsulphonate.5. The process according to claim 2 , wherein Xand Xare identical and are each fluorine claim 2 , chlorine claim 2 , bromine or iodine claim 2 , CFCOO claim 2 , CHCOO claim 2 , CFHCOO claim 2 , (CH)CO claim 2 , (CF)(CH)CO claim 2 , (CF)(CH)CO claim 2 , PhO (phenoxy) claim 2 , MeO (methoxy) claim 2 , EtO (ethoxy) claim 2 , tosylate (p-CH—CH—SO) claim 2 , mesylate (2 claim 2 ,4 claim 2 ,6-trimethylphenyl) or CFSO(trifluoromethane-sulphonate).6. The process according to claim 2 , wherein the two ligands L are each claim 2 , independently of one another claim 2 , a phosphine claim 2 , sulphonated phosphine claim 2 , phosphate claim 2 , phosphinite claim 2 , phosphonite claim 2 , arsine claim 2 , stibine claim 2 , ether claim 2 , amine claim 2 , amide claim 2 , sulphoxide claim 2 , carboxyl claim 2 , nitrosyl claim 2 , pyridine claim 2 , thioether or imidazolidine (“Im”) ligand.12. The process according to or claim 2 , wherein Xand Xin the general formula (B) are identical and are each fluorine claim 2 , chlorine claim 2 , ...

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Номер записи: 46
03-10-2013 дата публикации

PROCESS FOR PRODUCING POLYMER-FUNCTIONALIZED FILLER PARTICLES

Номер: US20130261272A1
Автор: Herzog Katharina, Mueller Lena, Recker Carla, Springer Bjoern, Vana Phillipp
Принадлежит: CONTINENTAL REIFEN DEUTSCHLAND GMBH

A process for producing polymer-functionalized filler particles and polymer-functionalized filler particles obtained by this process. The polymer-functionalized filler particles are used as additives for rubber mixtures. The polymers for functionalizing the filler particles are obtained in-situ starting from filler particles having a surface-bound RAFT agent. The binding of silyl-bearing RAFT agents and of Diels-Alder RAFT agents occurs via the R-group and the subsequent RAFT polymerization proceeds via a reactive site of the RAFT agent. 1. A process for producing polymer-functionalized filler particles comprising:binding a control agent for a controlled free-radical polymerization of monomers on a surface of a filler particle;the control agent containing an R-group;the R-group containing an R1-group selected from the group consisting of a coupleable silyl group and a Diels-Alder-reactive functionality;the control agent further containing a reactive site for the addition of monomers;wherein the R1-group of the control agent becomes bound to the surface of the filler particle; and,performing the controlled free-radical polymerization of the monomers via the reactive site of the control agent bound to the filler particle.2. The process as claimed in claim 1 , wherein the filler particle is a silica particle.3. The process as claimed in claim 1 , wherein the filler particle is a carbon black particle.4. The process as claimed in claim 1 , wherein the control agent is a trithiocarbonate.5. The process as claimed in claim 1 , wherein at least one of the monomers is a diene monomer.6. A polymer-functionalized filler particle obtained by the process as claimed in .7. A rubber mixture comprising the polymer-functionalized filler particle as claimed in .8. A method for the manufacture of a tire comprising preparing the rubber mixture as claimed in .9. The method as claimed in for the manufacture of a tread strip or of a body mixture of the tire.10. A method for the ...

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Номер записи: 47
10-10-2013 дата публикации

CONJUGATED DIENE RUBBER, RUBBER COMPOSITION, CROSS-LINKED RUBBER, AND TIRE

Номер: US20130267649A1
Автор: Karato Takeshi, Sasajima Tatsuo, Sugimura Takeshi
Принадлежит: ZEON CORPORATION

A conjugated diene rubber of the present invention is prepared from conjugated diene polymer chains, wherein the conjugated diene polymer chains each has an active end at one end and an isoprene block at least at the other end, the isoprene block contains 70 wt % or more isoprene monomer units, and the active ends of at least part of the conjugated diene polymer chains are modified with a compound having a >C═O group as a functional group. This provides (i) a tire that has an excellent strength, excellent low-heat buildup property, and excellent wet grip property and (ii) a rubber composition and a conjugated diene rubber that are suitably used to produce the tire. 1. A conjugated diene rubber prepared from conjugated diene polymer chains , wherein the conjugated diene polymer chains each has an active end at one end and an isoprene block at least at the other end , the isoprene block contains 70 wt % or more isoprene monomer units , and the active ends of at least part of the conjugated diene polymer chains are modified with a compound having a >C═O group as a functional group.2. The conjugated diene rubber as set forth in claim 1 , wherein the conjugated diene polymer chains contain 50 wt % to 100 wt % conjugated diene monomer units and 0 wt % to 50 wt % aromatic vinyl monomer units.3. The conjugated diene rubber as set forth in claim 1 , wherein 10 wt % to 100 wt % of the conjugated diene polymer chains are modified with the compound having the >C═O group.4. The conjugated diene rubber as set forth in claim 1 , wherein active ends of some of the conjugated diene polymer chains are coupled by reaction with a coupling agent that has six or more reactive sites per molecule claim 1 , which reactive sites are reactive with the active ends.5. The conjugated diene rubber as set forth in claim 4 , wherein:10 wt % to 95 wt % of the conjugated diene polymer chains are modified with the compound having the >C═O group; and5 wt % to 90 wt % of the conjugated diene polymer ...

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Номер записи: 48
24-10-2013 дата публикации

TRIALKYLSILYLOXY-TERMINATED POLYMERS

Номер: US20130280458A1
Автор: STEINHAUSER Norbert
Принадлежит: LANXESS DEUTSCHLAND GMBH

The present invention relates to polymers functionalized by terminal groups, where the polymers have a trialkylsilyloxy group of the formula (I) 2. Polymers functionalized by terminal groups claim 1 , according to claim 1 , characterized in that all of the moieties R are identical.3. Polymers functionalized by terminal groups claim 2 , according to claim 2 , characterized in that the moieties R are n-alkyl substituents claim 2 , preferably methyl groups.4. Polymers functionalized by terminal groups claim 3 , according to claim 3 , characterized in that the polymers have terminal hydroxy groups claim 3 , where these are obtainable via hydrolysis of the terminal groups of the formula (I).5. Polymers functionalized by terminal groups claim 3 , according to or claim 3 , characterized in that the polymers are diene polymers or are diene copolymers obtainable via copolymerization of dienes with vinylaromatic monomers.6. Polymers functionalized by terminal groups claim 5 , according to claim 5 , characterized in that the diene polymer is a polybutadiene claim 5 , a polyisoprene claim 5 , a butadiene-isoprene copolymer claim 5 , a butadiene-styrene copolymer claim 5 , an isoprene-styrene copolymer or a butadiene-isoprene-styrene terpolymer.7. Polymers functionalized by terminal groups claim 6 , according to claim 6 , characterized in that one or more bis(trialkylsilyl) peroxides are used as functionalization reagent.9. Polymers functionalized by terminal groups claim 8 , according to claim 8 , characterized in that all of the moieties R are n-alkyl substituents claim 8 , preferably methyl groups.10. Polymers functionalized by terminal groups claim 9 , according to claim 9 , characterized in that the average (number average) molar masses of the polymers are from 10 000 to 2 000 000 g/mol claim 9 , preferably from 100 000 to 1 000 000 g/mol.11. Polymers functionalized by terminal groups claim 10 , according to claim 10 , characterized in that the glass transition temperatures ...

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Номер записи: 49
24-10-2013 дата публикации

METHANOL-TERMINATED POLYMERS CONTAINING SILANE

Номер: US20130281605A1
Автор: STEINHAUSER Norbert
Принадлежит: LANXESS DEUTSCHLAND GMBH

The present invention relates to polymers functionalized by terminal groups, where these have, at the chain end, a silane-containing carbinol group of the formula (I) 3. Polymers functionalized by terminal groups , according to or , characterized in that the polymers are diene polymers or are diene copolymers obtainable via copolymerization of dienes with vinylaromatic monomers.4. Polymers functionalized by terminal groups claim 3 , according to claim 3 , characterized in that the diene polymer is a polybutadiene claim 3 , a polyisoprene claim 3 , a butadiene-isoprene copolymer claim 3 , a butadiene-styrene copolymer claim 3 , an isoprene-styrene copolymer or a butadiene-isoprene-styrene terpolymer.5. Polymers functionalized by terminal groups claim 4 , according to claim 4 , characterized in that one or more 1-oxa-2-silacycloalkanes is/are used as functionalization reagent.7. Polymers functionalized by terminal groups claim 6 , according to claim 6 , characterized in that the average molar masses (number average) of the polymers are from 10 000 to 2 000 000 g/mol claim 6 , preferably from 100 000 to 1 000 000 g/mol.8. Polymers functionalized by terminal groups claim 7 , according to claim 7 , characterized in that the glass transition temperatures of the polymers are from −110° C. to +20° C. claim 7 , preferably from −110° C. to 0° C.9. Polymers functionalized by terminal groups claim 8 , according to claim 8 , characterized in that the Mooney viscosities of the polymers [ML 1+4 (100° C.)] are from 10 to 200 claim 8 , preferably from 30 to 150 Mooney units.10. Use of 1-oxa-2-silacycloalkanes as functionalization reagents for producing polymers functionalized by terminal groups claim 8 , according to or .11. Process for producing polymers functionalized by terminal groups claim 8 , characterized in that one or more 1-oxa-2-silacycloalkanes (functionalization reagents) are added to polymers having reactive polymer chain ends.12. Process according to claim 11 , ...

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Номер записи: 50
31-10-2013 дата публикации

Non-carboxylated styrene-butadiene copolymers, preparation method and use thereof

Номер: US20130289172A1
Автор: Kostas S. Avramidis, William J. Kirk
Принадлежит: BASF SE

A non-carboxylated styrene-butadiene copolymer, preparation method and use thereof are provided. The non-carboxylated styrene-butadiene copolymer is prepared by hot polymerization in the absence of acid monomers and is used in asphalt-based systems such as asphalt emulsions.

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Номер записи: 51
31-10-2013 дата публикации

INTERFACIAL POLYMER FOR RUBBER-SILICA NETWORK

Номер: US20130289209A1
Автор: Ji Sang Chul, Kim Hee Jeong, Kim Jae Yun, KIM Ki Hyun, Kim Won Ho, Kwag Gwang Hoon, Lee Han Baek, Lee Jong Yeop, Paik Hyun Jong
Принадлежит:

Disclosed is an interfacial polymer for a network used as a coupling agent in mixing of rubber-silica. More particularly, the interfacial polymer for a rubber-silica network is a block copolymer containing a copolymer of conjugated diene and vinyl aromatic monomers, in which when used as a coupling agent in the mixing of synthetic rubber and silica (an inorganic material), the polymer enhances silica dispersibility within the rubber, and improves compatibility and processability, resulting in considerable improvement in the dynamic property as well as the mechanical property of the rubber, and when used in a tire, etc., it enhances automobile braking performance and reduces rolling resistance. 2. The interfacial polymer as claimed in claim 1 , wherein the conjugated diene of P is butadiene or isoprene.3. The interfacial polymer as claimed in claim 1 , wherein the vinyl aromatic monomers of P are styrene or alpha-methylstyrene.4. The interfacial polymer as claimed in claim 1 , wherein the copolymer of P is obtained by polymerizing vinyl aromatic monomers and conjugated diene in a random claim 1 , tapered or block architecture.5. The interfacial polymer as claimed in claim 1 , wherein P has a weight-average molecular weight ranging from 1 claim 1 ,000 to 500 claim 1 ,000.8. The method as claimed in claim 7 , wherein Formulas 6 and Formula 7 have a molar ratio of 1:10.9. The method as claimed in claim 7 , wherein Formulas 6 and Formula 7 are polymerized in a random claim 7 , tapered or block architecture.107. The method as claimed in claim 7 , wherein Formula 6 has a weight-average molecular weight ranging from 150 to 2500. This application claims under 35 U.S.C. §119(a) the benefit of Korean Patent Application No. 10-2012-0045118 filed on Apr. 30, 2012, the entire contents of which are incorporated herein by reference.(a) Technical FieldThe present invention relates to an interfacial polymer for a network used as a coupling agent in mixing of rubber-silica. More ...

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Номер записи: 52
07-11-2013 дата публикации

HIGHLY ABRASION-RESISTANT IMPRINT MATERIAL CONTAINING URETHANE COMPOUND

Номер: US20130296456A1
Автор: KATO Taku, KOBAYASHI Junpei, SHUTO Keisuke, Suzuki Masayoshi
Принадлежит: NISSAN CHEMICAL INDUSTRIES, LTD.

There is provided an imprint material forming a film having high abrasion resistance even after a pattern has been transferred thereto, specifically an imprint material forming a film having a small number of pieces of scratch when the film after a pattern has been transferred thereto is subjected to a steel wool abrasion test. An imprint material comprising: a component (A): a compound having at least one ethylene oxide unit and having at least one polymerizable group; a component (B): a polycaprolactone-modified urethane compound having a Clong chain alkyl group and at least one polymerizable group; and a component (C): a photopolymerization initiator. 1. An imprint material comprising:a component (A): a compound having at least one ethylene oxide unit and having at least one polymerizable group;{'sub': '13-25', 'a component (B): a polycaprolactone-modified urethane compound having a Clong chain alkyl group and at least one polymerizable group; and'}a component (C): a photopolymerization initiator.2. The imprint material according to claim 1 , wherein the concentration of the ethylene oxide unit per one molecule of the compound of the component (A) is 20% or more and 80% or less.3. The imprint material according to claim 1 , wherein the component (B) is a compound obtained by causing a reaction product between an organic isocyanate having in one molecule thereof claim 1 , at least three isocyanate groups and an alcohol having a Clong chain alkyl group to react with polycaprolactone-modified hydroxyethyl (meth)acrylate.4. The imprint material according to claim 1 , wherein the component (A) comprises at least two compounds.5. The imprint material according to claim 1 , wherein a ratio of the component (B) relative to the total mass of the component (A) and the component (B) is 10% by mass to 90% by mass.6. The imprint material according to claim 1 , further comprising a surfactant as a component (D).7. The imprint material according to claim 1 , further comprising ...

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Номер записи: 53
07-11-2013 дата публикации

PREPARATION OF FUNCTIONAL POLYMERS PHOSPHORUS-CONTAINING ORGANOMETAL INITIATORS

Номер: US20130296480A1
Автор: Hergenrother William L., Hogan Terrence E.
Принадлежит:

A method for preparing a functionalized polymer, the method comprising: polymerizing conjugated diene monomer, optionally together with comonomer, using a phosphorus-containing organometal initiator. 1. A method for preparing a functionalized polymer , the method comprising:i. polymerizing conjugated diene monomer, optionally together with comonomer, using a phosphorus-containing organometal initiator.3. The method of claim 2 , where M is lithium.4. The method of claim 2 , where R claim 2 , R claim 2 , and Rare each hydrogen atoms.6. The method of claim 5 , where M is lithium.7. The method of claim 5 , where at least one of R claim 5 , R claim 5 , and Ris a hydrocarbyl group.8. The method of claim 1 , where the amount of initiator employed is from 0.05 to about 100 mmol per 100 g of monomer.11. A method for preparing a polymer claim 1 , the method comprising:i. preparing an initiator by reacting a vinyl organophosphine with an organometal compound; andii. polymerizing conjugated diene monomer, optionally together with comonomer, by initiating the polymerization of the monomer with the initiator.13. The method of claim 11 , where the organometal compound is defined by the formula MR claim 11 , where M is a metal claim 11 , Ris a monovalent organic group claim 11 , and n is equivalent to the valence of the metal.14. The method of claim 13 , where the metal is lithium claim 13 , and thereby the organometal compound is an organolithium compound.15. The method claim 11 , where the vinyl organophosphines is selected from the group consisting of vinyldihydrocarbyl phosphines claim 11 , dihydrocarbyl(2 claim 11 ,2-dihydrocarbyl-1-hydrocarbylvinyl)phosphines claim 11 , dihydrocarbyl(2 claim 11 ,2-dihydrocarbylvinyl)phosphines claim 11 , dihydrocarbyl(2-hydrocarbylvinyl)phosphines claim 11 , dihydrocarbyl(2-hydrocarbyl-1-hydrocarbylvinyl)phosphines claim 11 , and dihydrocarbyl(1-hydrocarbylvinyl)phosphines.16. The method of claim 14 , where the molar ratio of organolithium to ...

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Номер записи: 54
07-11-2013 дата публикации

MODIFIED CONJUGATED DIENE RUBBER, METHOD FOR PRODUCING SAME, AND RUBBER COMPOSITION

Номер: US20130296481A1
Автор: Tanaka Ryouji
Принадлежит: JSR Corporation

According to a method for producing a modified conjugated diene rubber, the method involves a step of obtaining a modified conjugated diene rubber by reacting a conjugated diene compound or a conjugated diene polymer which is obtained by polymerizing a conjugated diene compound and an aromatic vinyl compound and has an alkali metal or alkaline-earth metal active end, with a first hydrocarbyloxysilane compound having an alkyl polyether group and a group convertible into an onium, and a conjugated diene rubber which can be used as a starting material for a crosslinked rubber that is used in applications such as a tire tread and is capable of improving the low fuel consumption performance is provided. 1. A method for producing a modified conjugated diene rubber , the method comprising:(A) reacting a conjugated diene polymer comprising an alkali metal or alkaline-earth metal active end with a first hydrocarbyloxysilane compound comprising functional groups (a) and (b), thereby obtaining a modified conjugated diene rubber,wherein the conjugated diene polymer is obtained by a process comprising polymerizing a conjugated diene compound or a conjugated diene compound and an aromatic vinyl compound,the functional group (a) is an alkyl polyether group and the functional group (b) is a group convertible into an onium.2. The method according to claim 1 ,wherein the functional group (b) at least one functional group selected from the group consisting of a nitrogen-containing group formed by substituting two protective groups for two hydrogen atoms of a primary amino group, a nitrogen-containing group formed by substituting one protective group for one hydrogen atom of a secondary amino group, a tertiary amino group, an imino group, a pyridyl group, a phosphorus-containing group formed by substituting two protective groups for two hydrogen atoms of a primary phosphino group, a phosphorus-containing group formed by substituting one protective group for one hydrogen atom of a ...

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Номер записи: 55
07-11-2013 дата публикации

Compositions Having HASE Rheology Modifiers

Номер: US20130296516A1
Автор: ADAM Herve, HENNAUX Pierre, Pakenham Derek, YANG Hui Shirley
Принадлежит:

A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C-C)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C-C)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers. 1. A polymer comprising:one or more first monomeric units each comprising at least one bicycloheptyl- or bicycloheptenyl-polyether radical, and{'sub': 5', '42, 'one or more second monomeric units each comprising a branched (C-C)alkyl-polyether radical per molecule,'}{'sub': 1', '6, 'wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C-C)alkyl groups per ring carbon atom.'}5. The polymer of claim 3 , wherein Rof the bicycloheptyl- or bicycloheptenyl-polyether radical is bicyclo[d.e.f]heptyl or bicyclo[d.e.f]heptenyl claim 3 , which may optionally be substituted on one or more of its ring carbon atoms by one or two (C-C)alkyl groups per ring carbon atom claim 3 , d is 2 claim 3 , 3 claim 3 , or 4 claim 3 , e is 1 or 2 claim 3 , f is 0 or 1 claim 3 , and the sum of d+e+f=5.6. The polymer of claim 3 , wherein Rof the bicycloheptyl- or bicycloheptenyl-polyether radical is:{'sup': 12', '13', '12, '(i) a bicyclo[3.1.1]heptyl or bicyclo[3.1.1]heptenyl group that is bonded to R, if present, or to R, if Ris not present, via its carbon atom at the 2-position, or'}{'sup': 12', '13', '12, '(ii) a bicyclo[2.2.1]heptyl or bicyclo[2.2.1]heptenyl group that is bonded to R, if present, or to R, if Ris not present, via its carbon atom at the 2-position or 3-position.'}7. The polymer of claim 6 , wherein:{'sub': 1', '6, '(i) the bicyclo[3.1.1]heptyl or bicyclo[3.1.1]heptenyl group is substituted on its carbon atom at the 6-position by one or two ( ...

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Номер записи: 56
21-11-2013 дата публикации

Rubber composition and pneumatic tire

Номер: US20130310512A1
Автор: Kenichi Uesaka, Naoya Omura, Satomi Yamauchi, Takafumi Taguchi, Tetsuya Kunisawa, Yoji Imoto
Принадлежит: Sumitomo Rubber Industries Ltd

The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, abrasion resistance, and processability in a balanced manner, and also provides a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a compound represented by formula (1) below, wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with a specific compound; and an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component.

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Номер записи: 57
21-11-2013 дата публикации

Blends of Co-Precipitated Hydrogenated Ethylene-Dicyclopentadiene and Elastomeric Polymers to Provide Impact Modified Structural Polyolefins

Номер: US20130310523A1
Автор: Baugh Lisa S., Berluchie Enock
Принадлежит:

Disclosed is the preparation of compositions which are blends of certain types of hydrogenated ethylene-dicyclopentadiene (E/DCPD) copolymers in combination with elastomeric polymers. An E/DCPD copolymer and an elastomeric polymer are co-dissolved in a common liquid reaction medium which is then subjected to hydrogenation conditions. These hydrogenation conditions serve to hydrogenate in-situ at least a portion of the residual double bonds of the E/DCPD copolymer component and possibly also eliminate any residual unsaturation which might be present in the elastomeric polymers. This combination of materials which has been hydrogenated in-situ can then be co-precipitated to form a polymer composition which can be molded into polyolefin materials of improved structural, thermal and mechanical properties with desirable impact resistance. 1. A process for preparing polymeric compositions suitable for molding into structural polyolefin products , which process comprises: i) a dicyclopentadiene-derived comonomer content of from 25 mole % to 65 mole % with at least 5% of said dicyclopentadiene-derived comonomers having residual double bond moieties therein;', {'sub': 'w', 'ii) a weight average molecular weight, M, of from 50,000 to 1,000,000 g/mole; and'}, {'sub': 'g', 'iii) a glass transition temperature, T, of from 85° C. to 190° C.;'}], 'A) dissolving in a liquid reaction medium an ethylene-dicyclopentadiene copolymer component having{'sub': 'g', 'B) co-dissolving with said ethylene-dicyclopentadiene copolymer component in said liquid reaction medium an elastomeric polymer component having a glass transition temperature, T, which ranges from −80° C. to 0° C.;'}C) subjecting said liquid reaction medium containing said ethylene-dicyclopentadiene copolymer component and said elastomeric polymer component to hydrogenation conditions effective to at least partially hydrogenate the residual double bond moieties within said ethylene-dicyclopentadiene copolymer component; andD) ...

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Номер записи: 58
12-12-2013 дата публикации

STABILIZATION OF POLYMERS THAT CONTAIN A HYDROLYZABLE FUNCTIONALITY

Номер: US20130331520A1
Автор: Hogan Terrence E., KURASCH Jessica C., RADEMACHER Christine M.
Принадлежит:

A process for treating a polymer having a hydrolyzable functionality, the process comprising: 2. The process of claim 1 , where Ris a hydrocarbyloxy group and Rand Rare each independently hydrocarbyl groups.3. The process of claim 1 , where Rand Rare each independently hydrocarbyloxy groups and Ris a hydrocarbyl group.4. The process of claim 1 , where R claim 1 , R claim 1 , and Rare each independently hydrocarbyloxy groups.5. The process of claim 1 , where χ is a halogen.6. The process of claim 1 , where Ris a halogen atom and Rand Rare each independently hydrocarbyl groups.7. The process of claim 1 , where Rand Rare each independently halogen atoms and R8 is a hydrocarbyl group.8. The process of claim 1 , where R claim 1 , R claim 1 , and Rare each halogen atoms.9. The process of claim 8 , where χ claim 8 , R claim 8 , R claim 8 , and Rare each halogen atoms.10. The process of claim 9 , where χ is a hydrocarboxylate group.11. The process of claim 1 , where the alkoxysilane is a trihydrocarbyloxy silane claim 1 , a dihydrocarbyl dihydrocarbyloxy silane claim 1 , a hydrocarbyl trihydrocarbyloxy silane claim 1 , or a tetrahydrocarbyloxy silane.12. The process of claim 1 , where the silane including a hydrolysable group is a silyl halide or a silyl ester.13. The process of claim 1 , where the silyl halide is selected from the group consisting of trihydrocarbyl silyl halides claim 1 , (dihydrocarbyl) (hydrocarbyloxy) silyl halides claim 1 , (hydrocarbyl) (dihydrocarbyloxy) silyl halides claim 1 , trihydrocarbyloxy silyl halides claim 1 , dihydrocarbyl silyl dihalides claim 1 , (hydrocarbyl) (hydrocarbyloxy) silyl dihalides claim 1 , hydrocarbyl silyl trihalides claim 1 , hydrocarbyloxy silyl trihalides claim 1 , and silyl tetrahalides.14. The process of claim 1 , where the amount of alkoxysilane introduced to the polymer is at least 0.1 and at most 15 moles of alkoxysilane per mole of polymer treated.15. The process of claim 1 , where the amount of alkoxysilane ...

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Номер записи: 59
19-12-2013 дата публикации

Method for producing polymer fine particle

Номер: US20130337263A1
Автор: Hiroshi Takezaki, Itaru Asano, Yuji ECHIGO
Принадлежит: TORAY INDUSTRIES INC

A fine polymer particle production method includes producing an emulsion in a liquid prepared by dissolving and mixing a polymer A and a polymer B in organic solvents in which a solution phase composed primarily of the polymer A and a solution phase composed primarily of the polymer B are formed as separate phases, and bringing it into contact with a poor solvent for the polymer A to precipitate the polymer A. This method serves for easy synthesis of fine polymer particles with a narrow particle size distribution and the method can be effectively applied to production of highly heat-resistant polymers that have been difficult to produce with the conventional methods.

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Номер записи: 60
19-12-2013 дата публикации

METHANOL-TERMINATED POLYMERS CONTAINING ETHER

Номер: US20130338300A1
Автор: STEINHAUSER Norbert
Принадлежит: LANXESS DEUTSCHLAND GMBH

The present invention relates to polymers functionalized by terminal groups, where these have, at the chain end, an ether-containing carbinol group of the formula (I) 1. Polymers functionalized by terminal groups , characterized in that the polymers have , at the end of the chain , an ether-containing carbinol group of the formula (I){'br': None, '\ue8a0O-A-OH]\u2003\u2003(I)'}where A is a divalent organic moiety which can comprise not only C and H but also heteroatoms, such as O, N, S, Si.2. Polymers functionalized by terminal groups claim 1 , according to claim 1 , characterized in that the terminal groups of the polymers take the form of metal salts of the formula (I){'br': None, 'sup': −', 'n+, 'sub': 'n', '\ue8a0O-A-O)M\u2003\u2003(II)'}whereA is a divalent organic moiety which can comprise not only C and H but also heteroatoms, such as O, N, S, Si,n is an integer from 1 to 4,M is a metal or semimetal of valency from 1 to 4, preferably Li, Na, K, Mg, Ca, Fe, Co, Ni, Al, Nd, Ti, Si, Sn.3. Polymers functionalized by terminal groups claim 1 , according to or claim 1 , characterized in that the polymers are diene polymers or are diene copolymers obtainable via copolymerization of dienes with vinylaromatic monomers.4. Polymers functionalized by terminal groups claim 3 , according to claim 3 , characterized in that the diene polymer is a polybutadiene claim 3 , a polyisoprene claim 3 , a butadiene-isoprene copolymer claim 3 , a butadiene-styrene copolymer claim 3 , an isoprene-styrene copolymer or a butadiene-isoprene-styrene terpolymer.5. Polymers functionalized by terminal groups claim 4 , according to claim 4 , characterized in that one or more cycloperoxides is/are used as functionalization reagent.7. Polymers functionalized by terminal groups claim 6 , according to claim 6 , characterized in that the average molar masses (number average) of the polymers are from 10 000 to 2 000 000 g/mol claim 6 , preferably from 100 000 to 1 000 000 g/mol.8. Polymers ...

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Номер записи: 61
26-12-2013 дата публикации

Methods for preparation of novel graft copolymers

Номер: US20130345367A1
Автор: Collin V. Bonduelle, Dana K. Adkinson, Elizabeth R. Gillies, Goran Stojcevic, Lorenzo P. Ferrari, Solmaz Karamdoust
Принадлежит: University of Western Ontario

The present invention relates to novel graft copolymers of functionalized poly(isoolefin-co-conjugated diolefin, and a process of preparing such graft copolymers. The present invention also relates to a method of preparing functionalized copolymers of isoolefins and conjugated diolefins.

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Номер записи: 62
26-12-2013 дата публикации

High Styrene High Vinyl Styrene-Butadiene Rubber and Methods for Preparation Thereof

Номер: US20130345379A1
Автор: Hamann Evemarie, Schmiedel Karin, Valenti Silvia
Принадлежит:

A process for polymerization of a polymer containing monomeric units derived from a styrene monomer and a 1,3-butadiene monomer includes polymerizing the monomeric units in the presence of an initiator, a first polar agent, and a second polar agent. The first polar agent includes a structure (I): RRN-Q-NRR; and the second polar agent comprises a structure (II): R, R′, R, and R are each independently selected from the group consisting of an alkyl group and hydrogen; Q contains an alkylene group; Rand Rare each independently an alkyl group; and R, R, R, R, Rand Rare each independently selected from the group consisting of an alkyl group and hydrogen. Polymers prepared by the above process are described, as are compositions containing such a polymer, and articles containing at least one component formed from such a composition. 2. The process as in wherein R claim 1 , R claim 1 , R claim 1 , and R are each independently selected from the group consisting of hydrogen and a C-Calkyl group.3. The process of wherein the alkylene group comprises a structure —(CH)— claim 1 , wherein n is an integer equal to or greater than 2.4. The process of wherein Rand Rare each independently a C-Calkyl group.5. The process of wherein R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare each independently selected from the group consisting of hydrogen and a C-Calkyl group.6. The process of wherein a molar ratio of the second polar agent to the first polar agent is between about 0.01 and about 10.7. The process of wherein the first polar agent comprises tetramethylethylenediamine.8. The process of wherein the second polar agent comprises ditetrahydrofurylpropane.9. The process of wherein the polymer comprises a styrene content from about 20 to about 80 weight percent.10. The process of wherein the polymer comprises a vinyl content from about 30 to about 80 weight percent claim 1 , based on total amount of polymerized 1 claim 1 ,3-butadiene.11. The process of wherein the polymer has a ...

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Номер записи: 63
02-01-2014 дата публикации

COPOLYMER OF CONJUGATED DIENE COMPOUND AND NON-CONJUGATED OLEFIN, RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE TREAD, CROSSLINKED RUBBER COMPOSITION AND TIRE

Номер: US20140005296A1
Автор: Horikawa Yasuo, Kaita Shojiro, Matsushita Junko, Tardif Olivier
Принадлежит: BRIDGESTONE CORPORATION

The present invention provides a copolymer of a conjugated diene compound and a non-conjugated olefin that is used for manufacturing a rubber excellent in crack growth resistance, heat resistance and ozone resistance and that includes a cis-1,4 bond at a unit derived from the conjugated diene compound, a rubber composition containing the copolymer, a rubber composition for tire treads using the rubber composition for tire tread members, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire using the rubber composition or the crosslinked rubber composition. In the copolymer of a conjugated diene compound and a non-conjugated olefin, the cis-1,4 bond content of a unit derived from the conjugated diene compound is more than 92%. 1. A copolymer of a conjugated diene compound and a non-conjugated olefin , whereinthe cis-1,4 bond content of a unit derived from the conjugated diene compound is more than 92%.2. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the content of a unit derived from the non-conjugated olefin is 50 mol % or less.3. The copolymer according to claim 1 , wherein the content of 1 claim 1 ,2 adduct units (including 3 claim 1 ,4 adduct units) of the conjugated diene compound in the unit derived from the conjugated diene compound is 5% or less.4. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the copolymer has a molecular weight distribution (Mw/Mn) of 10 or less.5. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin is an acyclic olefin.6. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 1 , wherein the non-conjugated olefin has 2 to 10 carbon atoms.7. The copolymer of a conjugated diene compound and a non-conjugated olefin according to claim 5 , wherein the non-conjugated olefin is at ...

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Номер записи: 64
02-01-2014 дата публикации

COPOLYMER, RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE SIDE USE, CROSSLINKED RUBBER COMPOSITION AND TIRE

Номер: US20140005321A1
Автор: Horikawa Yasuo, Kaita Shojiro, Matsushita Junko, Tardif Olivier
Принадлежит: BRIDGESTONE CORPORATION

The present invention provides a copolymer of a conjugated diene compound and a non-conjugated olefin that is used for manufacturing rubber excellent in low heat generation properties, heat resistance, ozone resistance (weather resistance), a rubber composition containing the copolymer, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire manufactured by using the rubber composition or the crosslinked rubber composition. In the copolymer of a conjugated diene compound and a non-conjugated olefin, the content of 1,2 adduct units (including 3,4 adduct units) of a unit derived from the conjugated diene compound is 5% or less. 1. A copolymer of a conjugated diene compound and a non-conjugated olefin , wherein the content of 1 ,2 adduct units (including 3 ,4 adduct units) of a unit derived from the conjugated diene compound is 5% or less.2. The copolymer according to claim 1 , wherein the unit derived from the conjugated diene compound has a cis-1 claim 1 ,4 bond content of more than 50 mol %.3. The copolymer according to claim 1 , wherein the content of a unit derived from the non-conjugated olefin is greater than 0 mol % and not more than 50 mol %.4. The copolymer according to claim 1 , wherein the copolymer has a polystyrene-equivalent average-weight molecular weight of 10 claim 1 ,000 to 10 claim 1 ,000 claim 1 ,000.5. The copolymer according to claim 1 , wherein the copolymer has a molecular weight distribution (Mw/Mn) of 10 or less.6. The copolymer according to claim 1 , wherein the non-conjugated olefin is an acyclic olefin.7. The copolymer according to claim 6 , wherein the non-conjugated olefin has 2 to 10 carbon atoms.8. The copolymer according to claim 7 , wherein the non-conjugated olefin is at least one selected from the group consisting of ethylene claim 7 , propylene claim 7 , and 1-butene.9. The copolymer according to claim 8 , wherein the non-conjugated olefin is ethylene.10. The copolymer according to claim 1 , ...

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Номер записи: 65
02-01-2014 дата публикации

Copolymer, rubber composition, crosslinked rubber composition and tire

Номер: US20140005327A1
Автор: Junko Matsushita, Olivier Tardif, Shojiro Kaita, Yasuo Horikawa
Принадлежит: Bridgestone Corp

The present invention provides a random copolymer that is used for manufacturing a rubber having high fracture strength and excellent low loss properties (low heat generation properties) and that includes randomly arranged monomer units of a conjugated diene compound and of a non-conjugated olefin, a rubber composition containing the random copolymer, a cross-linked rubber composition obtained by crosslinking the rubber composition, and a tire manufactured by using the rubber composition or the cross-linked rubber composition. A copolymer of a conjugated diene compound and a non-conjugated olefin includes a random copolymer having randomly arranged monomer units of the conjugated diene compound and of the non-conjugated olefin, which random copolymer contains, by at least 5 mol %, alternate bonding units of the conjugated diene compound and the non-conjugated olefin in a unit derived from the non-conjugated olefin.

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Номер записи: 66
09-01-2014 дата публикации

Polychloroprene latex, rubber composition and dip-molded article

Номер: US20140011936A1
Автор: Hiroyuki Yashima, Ikuka Hashimoto, Takeo Mori
Принадлежит: Denki Kagaku Kogyo KK

Provided is a polychloroprene latex that shows favorable low-temperature stability without deterioration in the rubber agglutinating property during production of the dip-molded article, a rubber composition, and a dip-molded article, prepared by using the same. Prepared is a polychloroprene latex of a chloroprene copolymer obtained by polymerization of raw monomers at least containing chloroprene and 2,3-dichloro-1,3-butadiene, which is dispersed in water, wherein the 2,3-dichloro-1,3-butadiene content in the raw monomers is controlled to 1 to 30 mass % and the potassium ion content is adjusted to 0.7 to 1.5 parts by mass and the sodium ion content to 0.2 part or less by mass with respect to 100 parts by mass of the solid matter. In addition, a metal oxide: 1 to 10 parts by mass, sulfur: 0.1 to 3 parts by mass, an aging inhibitor: 0.1 to 5 parts by mass and a surfactant: 0.1 to 10 parts by mass, respectively with respect to 100 parts by mass of the solid matter, were added to the chloroprene latex, to give a rubber composition.

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Номер записи: 67
09-01-2014 дата публикации

N-phenylmaleimide compound and copolymer composition obtained using same

Номер: US20140011959A1
Автор: Hiroyuki Takaki
Принадлежит: NIPPON SHOKUBAI CO LTD

The present invention provides an N-phenylmaleimide compound that can improve the quality of the obtained copolymer by using N-phenylmaleimide containing impurities in specific amounts or less as at least one component of the copolymerization monomers. The N-phenylmaleimide compound of the present invention contains 0.1% by weight or less of N-(2,5-dioxo-1-phenyl-3-pyrrolidinyl)-N-phenylmaleamic acid (PPMA) and/or 0.3% by weight or less of N-phenylfumaramic acid (PFA).

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Номер записи: 68
16-01-2014 дата публикации

COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION AND TIRE

Номер: US20140018493A1
Автор: Horikawa Yasuo, Kaita Shojiro, Matsushita Junko, Tardif Olivier
Принадлежит: BRIDGESTONE CORPORATION

The present invention provides a random copolymer that is used for manufacturing a tire having excellent rollability and wear resistance and that includes randomly arranged monomer units of a conjugated diene compound and of a non-conjugated olefin, a rubber composition containing the random copolymer, a cross-linked rubber composition obtained by crosslinking the rubber composition, and a tire manufactured by using the rubber composition or the cross-linked rubber composition. A copolymer of a conjugated diene compound and a non-conjugated olefin, including a random copolymer having randomly arranged monomer units of the conjugated diene compound and of the non-conjugated olefin, and containing, by more than 30 mol %, a unit derived from the conjugated diene compound. 1. A copolymer of a conjugated diene compound and a non-conjugated olefin , comprising a random copolymer having randomly arranged monomer units of the conjugated diene compound and of the non-conjugated olefin , and containing , by more than 30 mol % , a unit derived from the conjugated diene compound.2. The copolymer according to claim 1 , wherein the copolymer contains claim 1 , by at least 5 mol % claim 1 , alternate bonding units of the conjugated diene compound and the non-conjugated olefin in a unit derived from the non-conjugated olefin.3. The copolymer according to claim 1 , wherein the content of the unit derived from the conjugated diene compound is 50 mol % or more and less than 100 mol %.4. The copolymer according to claim 1 , wherein the content of 1 claim 1 ,2 adduct units (including 3 claim 1 ,4 adduct units) of the conjugated diene compound in the unit derived from the conjugated diene compound is 5% or less.5. The copolymer according to claim 1 , comprising a copolymer having a polystyrene-equivalent average-weight molecular weight of 10 claim 1 ,000 to 10 claim 1 ,000 claim 1 ,000.6. The copolymer according to claim 1 , comprising a copolymer having a molecular weight distribution ( ...

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Номер записи: 69
16-01-2014 дата публикации

Polymers Functionalized With A Carboxylic Or Thiocarboxylic Ester Containing A Silylated Amino Group

Номер: US20140018500A1
Автор: Steven Luo
Принадлежит: Bridgestone Corp

A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with an anionic initiator to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a silylated amino group, where the silylated amino group is directly attached to a moiety selected from the group consisting of acyclic moieties, heterocyclic moieties, and nonaromatic cyclic moieties.

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Номер записи: 70
23-01-2014 дата публикации

High Styrene High Vinyl Styrene-Butadiene Rubber and Methods for Preparation Thereof

Номер: US20140024767A1
Автор: Hamann Evemarie, Schmiedel Karin, Valenti Silvia
Принадлежит: STYRON EUROPE GMBH

A polymer has at least the following characteristics: (a) a block styrene content containing 4 to 6 styrene units from about 27 to about 50 weight percent based on total styrene content in the polymer; (b) a vinyl content from about 30 to about 80 weight percent based on total amount of polymerized 1,3-butadiene; and (c) a styrene content from about 40 to about 70 weight percent based on total weight of polymer. Processes for the polymerization of such a polymer, compositions containing such a pofymer, and articles containing at least one component formed from such a composition are described. 1. A polymer comprising:(a) a block styrene content containing 4 to 6 styrene units from about 27 to about 50 weight percent based on total styrene content in the polymer;(b) a vinyl content from about 30 to about 80 weight percent based on total amount of polymerized 1,3-butadiene; and(c) a styrene content from about 40 to about 70 weight percent based on total weight of polymer.2. The polymer of having a block styrene content with more than 6 consecutive styrene units of less than about 25 weight percent based on total styrene content in the polymer.3. The polymer of having an amount of styrene incorporated with fewer than 4 consecutive styrene units of between about 30 and about 73 weight percent based on total styrene content.4. The polymer of produced using a batch process and having a molecular weight distribution (Mw/Mn) from about 1.05 to about 2.5. The polymer of produced using a continuous process and having a molecular weight distribution (Mw/Mn) from about 1.5 to about 2.5.6. The polymer of having a number-average molecular weight greater than or equal to about 80 claim 1 ,000 g/mole.7. The polymer of having a weight-average molecular weight greater than or equal to about 84 claim 1 ,000 g/mole.8. The polymer of having a Mooney viscosity from about 20 to about 150.9. A composition comprising the polymer of .10. The composition of further comprising an oil in an ...

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Номер записи: 71
06-02-2014 дата публикации

Lanthanide Complex Catalyst And Polymerization Method Employing Same

Номер: US20140039126A1
Автор: Dickstein Joshua S., Luo Steven, Qin Zengquan
Принадлежит: BRIDGESTONE CORPORATION

A novel class of lanthanide metal salen complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers. 2. The lanthanide metal complex of wherein L is tetrahydrofuran.3. The lanthanide metal complex of wherein Ris a halogen atom.4. The lanthanide metal complex of wherein M is Nd or Gd.5. The lanthanide metal complex of wherein z is 1.6. A catalyst composition comprising the lanthanide metal complex of and a catalyst activator.7. The catalyst composition of wherein said catalyst activator comprises an alkylating agent.8. The catalyst composition of wherein said alkylating agent is an organoaluminum compound or an organomagnesium compound.9. The catalyst composition of wherein said catalyst activator comprises a non-coordinating anion.10. The catalyst composition of wherein said catalyst activator comprises a non-coordinating anion precursor.11. A process for providing a polymer claim 6 , said process comprising contacting one or more ethylenically unsaturated hydrocarbon monomers with the catalyst composition of claim 6 , thereby providing said polymer.12. The process of wherein said one or more ethylenically unsaturated hydrocarbon monomers comprises at least one type of polyene.13. The process of wherein said at least one type of polyene comprises one or more conjugated dienes.14. The process of wherein said one or more ethylenically unsaturated hydrocarbon monomers further comprises at least one type of α-olefin.15. The process of further comprising reacting said polymer with a functionalizing agent so as to provide terminal functionality to said polymer.17. The catalyst composition of wherein Ris a halogen atom.18. The catalyst composition of wherein M is Nd or Gd and z is 1.19. The catalyst composition of wherein said catalyst activator comprises an alkylating agent selected from organoaluminum compounds and organomagnesium compounds.20. The catalyst composition ...

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Номер записи: 72
06-02-2014 дата публикации

METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER

Номер: US20140039130A1
Автор: Maeda Mitsuru, Murai Daisuke
Принадлежит: UNIMATEC CO., LTD.

A peroxide-crosslinkable fluorine-containing elastomer IS produced by subjecting a fluorine-containing olefin and a perfluoroalkyl divinyl ether monomer represented by the general formula: 2. The method for producing a fluorine-containing elastomer according to claim 1 , wherein the perfluorodivinyl ether monomer is 1 claim 1 ,1 claim 1 ,2 claim 1 ,2-tetrafluoro-1 claim 1 ,2-bis[(trifluorovinyl)oxy]ethane.3. The method for producing a fluorine-containing elastomer according to claim 1 , wherein 30 to 0 wt. % of the total amount of perfluorodivinyl ether monomer to be added is added to a reaction system before the copolymerization reaction starts.4. The method for producing a fluorine-containing elastomer according to claim 1 , wherein 70 to 100 wt. % of the total amount of perfluorodivinyl ether monomer to be added is added to the reaction system after the copolymerization reaction starts.5. The method for producing a fluorine-containing elastomer according to claim 3 , wherein the perfluorodivinyl ether monomer is added to the reaction system in multiple batches after the copolymerization reaction starts.7. A peroxide-crosslinkable fluorine-containing elastomer composition comprising the fluorine-containing elastomer according to and an organic peroxide as essential components.8. The method for producing a fluorine-containing elastomer according to claim 4 , wherein the perfluorodivinyl ether monomer is added to the reaction system in multiple batches after the copolymerization reaction starts. The present invention relates to a method for producing a fluorine-containing elastomer. More particularly, the present invention relates to a method for producing a fluorine-containing elastomer having excellent compression set characteristic.Compared to general-purpose elastomers, fluorine-containing elastomers are high-performance but expensive; thus, the field of their applications has been conventionally limited. However, applications of fluorine-containing elastomer ...

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Номер записи: 73
20-02-2014 дата публикации

PHOSPHONIUM IONOMERS COMPRISING PENDANT VINYL GROUPS AND PROCESSES FOR PREPARING SAME

Номер: US20140051810A1
Автор: Adkinson Dana, Chadder Sara, Davidson Gregory J.E., Ferrari Lorenzo, MALMBERG Sean, SIEGERS Conrad
Принадлежит: LANXESS INC.

The present invention relates to ionomers comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers. 1. An ionomer comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group.2. The ionomer of claim 1 , wherein a halogenated isoolefin copolymer comprises repeating units derived from at least one isoolefin monomer claim 1 , and repeating units derived from one or more multiolefin monomers claim 1 , one or more alkyl substituted aromatic vinyl monomers or a mixture thereof.3. The ionomer of claim 2 , wherein said halogenated copolymer comprises at least one allylic halogen moiety claim 2 , or at least one halo alkyl moiety or both.4. The ionomer of claim 2 , wherein said halogenated copolymer comprises repeating units derived from said at least one isoolefin and repeating units derived from said one or more multiolefin monomers.5. The ionomer of claim 2 , wherein one or more of said repeating units derived from said multiolefin monomers comprise an allylic halogen moiety.6. The ionomer of claim 5 , wherein said one or more multiolefin monomers are selected from C4-C16 conjugated diolefins.7. The ionomer of claim 6 , wherein said conjugated diolefin is isoprene.8. The ionomer of claim 2 , wherein said halogenated copolymer comprises repeating units derived from said at least one isoolefin and repeating units derived from said one or more alkyl substituted aromatic vinyl monomers.9. The ionomer of claim 8 , wherein one or more of said repeating units derived from said aromatic vinyl monomers comprise a halo alkyl moiety10. The ionomer of claim 2 , wherein said halogenated copolymer comprises repeating units derived from said at least one isoolefin ...

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Номер записи: 74
27-02-2014 дата публикации

Ionic Viscoelastics and Viscoelastic Salts

Номер: US20140058047A1
Автор: Grinstaff Mark W., Wathier Michel
Принадлежит: TRUSTEES OF BOSTON UNIVERSITY

One embodiment of the present invention relates to ionic liquids and ionic viscoelastics formed between [1] a small molecule or macromolecule containing two or more cations; and [2] a small molecule or macromolecule containing two or more anions. Another embodiment of the invention is the use of the inventive ionic liquids and ionic viscoelastics, formed between a small molecule or macromolecule containing two or more cations and a small molecule or macromolecule containing two or more anions, to form a crosslinked network. In certain embodiments, the ionic liquids formed can be viscous liquids, viscous liquid formed networks, or viscoelastic networks/gels. In certain embodiments, the ionic material of the invention may be used for a variety of applications including, but not limited to, lubricants, additives, gas separation, liquid separation, membranes, fuel cells, sensors, batteries, coatings, heat storage, liquid crystals, biocompatible fluids, solvents, and electronic materials. 2. The salt of claim 1 , wherein Y is —[CO].3. The salt of claim 1 , wherein X and W are the same.5. The salt of claim 1 , wherein R is a bond to W or is selected claim 1 , independently for each occurrence claim 1 , from the group consisting of hydrogen or alkyl.6. The salt of claim 1 , wherein said cationic component is W—[Z].7. The salt of claim 6 , wherein said anionic component is X—[Y]; X is C(R′)(A-) claim 6 , C(R′)[(AO)A-] claim 6 , C(R′)[(ANH)A-] claim 6 , N(A) claim 6 , N[(AO)A-] claim 6 , or N[(ANH)A-]; A is claim 6 , independently for each occurrence claim 6 , —(CQ)-; Q is claim 6 , independently for each occurrence claim 6 , hydrogen or methyl; p is claim 6 , independently for each occurrence claim 6 , 0-40 inclusive; and R′ is hydrogen claim 6 , halogen claim 6 , azide claim 6 , alkyl claim 6 , aralkyl claim 6 , alkenyl claim 6 , alkynyl claim 6 , cycloalkyl claim 6 , hydroxyl claim 6 , alkoxy claim 6 , aryloxy claim 6 , aryl claim 6 , heteroaryl claim 6 , heteroaralkyl ...

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Номер записи: 75
27-02-2014 дата публикации

ACTIVITY MONITORING AND POLYMERIZATION PROCESS CONTROL

Номер: US20140058050A1
Автор: Berger Michael, Leiberich Ricarda, Paul Hanns-Ingolf, Tracht Ursula, Wiesner Udo
Принадлежит: LANXESS DEUTSCHLAND GMBH

The present invention relates to a method to control a liquid feed stream carried out by measuring at least one spectrum of the liquid feed stream comprising an initiator or catalyst, determining its activity using a predictive model on the basis of said spectrum and adjusting the feed streams and/or the preparation conditions of the feed stream comprising the initiators or catalysts in order to attain or maintain a desired level of total activity. In a further aspect the invention relates to a controlled process for the preparation of polymers in a polymerization reactor by contacting liquid feed streams comprising monomers and initiators or catalysts, whereby the control of the feed streams entering the polymerization reactor and/or the initiator or catalyst preparation is carried out by measuring at least one spectrum of the liquid feed stream comprising an initiator or catalyst, determining its activity using a predictive model on the basis of said spectrum and adjusting the feed streams and/or the preparation conditions of the feed stream comprising the initiators or catalysts in order to attain or maintain a desired level of total activity within the polymerization reactor. More particularly, the invention relates to a method for controlling the activity of aluminium containing initiators in a process for the co-polymerisation of isolefins and multiolefins, in particular isobutylene and isoprene. The present invention further to device and a chemical plant suitable to operate said process. 3. The process according to or the method according to , wherein the active liquid medium comprises at least one polymerisation initiator or polymerisation catalyst and an organic solvent.4. The process or method according to claim 3 , wherein the polymerisation initiator is selected from cationic initiators.5. The process or method according to claim 4 , wherein the cationic initiators are selected from at least one lewis acid or at least one organometal compound such or a ...

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Номер записи: 76
27-02-2014 дата публикации

Chloroprene rubber, chloroprene rubber composition, vulcanizate thereof, and formed body

Номер: US20140058055A1
Автор: Kozuka Takahiro, Tachiyama Takashi, Yamagishi Uichiro
Принадлежит: DENKI KAGAKU KOGYO KABUSHIKI KAISHA

Provided are a chloroprene rubber, a chloroprene rubber composition and the vulcanizate and formed body thereof superior in low-temperature properties. 1. A chloroprene rubber obtained by emulsion polymerization of raw monomer containing antiperiplanar trans-1-chlorobuta-1 ,3-diene and cis-1-chlorobuta-1 ,3-diene in a total amount of 0.5 mass % or more and 2 ,3-dichlorobuta-1 ,3-diene in an amount of 2.0 mass % or more.2. A chloroprene rubber composition comprising the chloroprene rubber according to .3. A vulcanizate obtained by vulcanizing the chloroprene rubber composition according to .4. A formed body obtained by vulcanizing the chloroprene rubber composition according to after or during forming.5. The formed body according to claim 4 , characterized by being a boot member claim 4 , a hose member claim 4 , a bearing rubber claim 4 , a sealing material claim 4 , or a wiper blade.6. A method for producing a chloroprene rubber claim 4 , comprising emulsion-polymerizing raw monomer containing antiperiplanar trans-1-chlorobuta-1 claim 4 ,3-diene and cis-1-chlorobuta-1 claim 4 ,3-diene in a total amount of 0.5 mass % or more and 2 claim 4 ,3-dichlorobuta-1 claim 4 ,3-diene in an amount of 2.0 mass % or more. This application is a national stage of International Application No. PCT/JP2012/052730, filed Feb. 7, 2012, which claims the benefit of Japanese Application No. 2011-104105, filed May 9, 2011, in the Japanese Patent Office. All disclosures of the document(s) named above are incorporated herein by reference.1. Field of the InventionThe present invention relates to a chloroprene rubber, a chloroprene rubber composition and the vulcanizate thereof and the formed body produced by using the same. More specifically, it relates to a chloroprene rubber used in rubber formed bodies such as wiper blades, boot members, and hose members.2. Description of the Related ArtChloroprene rubbers, which are superior in heat resistance, weather resistance, ozone resistance, and ...

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Номер записи: 77
13-03-2014 дата публикации

Hydrophobic Diacrylamide Compound

Номер: US20140073756A1
Автор: Bruce Branchaud, Dmitriy Gremyachinskiy, Geir Fonnum, Hee Chol Kang, Lai-Qiang Ying, Nini H. KJUS, Steven M. Menchen
Принадлежит: LIFE TECHNOLOGIES AS, Life Technologies Corp

A silyl protected diacrylamide compound is described. A method of forming such a compound includes mixing a silylation reagent with a hydroxylated diamine compound under first reactive conditions to form a product in a first solution, separating the product from the first solution, and mixing the product with acryloyl chloride under second reactive conditions in a second solution to form a silyl protected diacrylamide compound.

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Номер записи: 78
20-03-2014 дата публикации

Hydrophobic Diacrylamide Compound

Номер: US20140080966A1
Автор: Branchaud Bruce, Fonnum Geir, Gremyachinskiy Dmitriy, Kang Hee Chol, KJUS Nini H., Menchen Steven M., Ying Lai-Qiang
Принадлежит:

A silyl protected diacrylamide compound is described. A method of forming such a compound includes mixing a silylation reagent with a hydroxylated diamine compound under first reactive conditions to form a product in a first solution, separating the product from the first solution, and mixing the product with acryloyl chloride under second reactive conditions in a second solution to form a silyl protected diacrylamide compound. 2. The compound of claim 1 , wherein R4 claim 1 , R5 or R6 is a C1-C6 alkyl or an ether derivative thereof.3. The compound of claim 2 , wherein R4 claim 2 , R5 or R6 is methyl or ethyl.4. The compound of claim 1 , wherein at least one of R1 claim 1 , R2 claim 1 , R3 claim 1 , R7 claim 1 , R8 claim 1 , or R9 is aryl or an ether derivative thereof.5. The compound of claim 4 , wherein the aryl group is phenyl claim 4 , tolyl claim 4 , xylyl claim 4 , or poly-aryl claim 4 , or an ether derivative thereof.6. The compound of claim 1 , wherein at least one of R1 claim 1 , R2 claim 1 , R3 claim 1 , R7 claim 1 , R8 claim 1 , or R9 is alkyl or an ether derivative thereof.7. The compound of claim 6 , wherein the alkyl is a methyl claim 6 , ethyl claim 6 , propyl claim 6 , or butyl claim 6 , or an ether derivative thereof claim 6 , or a combination thereof.8. The compound of claim 7 , wherein the alkyl is methyl or ethyl.9. The compound of claim 7 , wherein the alkyl is tert-butyl.10. The compound of claim 1 , wherein the log(p) of a deprotected analogous compound is not greater than 0.5 and at least −10.0.11. The compound of claim 10 , wherein the log(p) of the compound is at least 2.0 and not greater than 10.0.13. The method of claim 12 , wherein the monomer is a free radical polymerizable monomer.14. The method of claim 13 , wherein the free radical polymerizable monomer is acrylamide claim 13 , vinyl acetate claim 13 , hydroxyalkylmethacrylate claim 13 , or any combination thereof.15. The method of claim 12 , wherein the hydrophobic phase is a ...

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Номер записи: 79
20-03-2014 дата публикации

RUBBER COMPOSITION AND TIRE USING THE SAME

Номер: US20140080969A1
Автор: SUZUKI Eiju
Принадлежит: BRIDGESTONE CORPORATION

The invention relates to a rubber composition having better workability and fracture resistance than the prior art, and more specifically, to a rubber composition containing a polymer (B) obtained from an emulsion-polymerized polymer latex (A) having a number average molecular weight in the range of 1,000-130,000. 1. A rubber composition comprising a polymer (B) obtained from an emulsion-polymerized polymer latex (A) with a number average molecular weight in the range of 1 ,000 to 130 ,000.2. The rubber composition according to claim 1 , further comprising a polymer (D) obtained from an emulsion-polymerized polymer latex (C) with a number average molecular weight exceeding 130 claim 1 ,000.3. The rubber composition according to claim 2 , comprising a polymer (E) obtained by mixing the emulsion-polymerized polymer latex (A) with the emulsion-polymerized polymer latex (C) and then coagulating and drying the mixture.4. The rubber composition according to claim 3 , wherein the polymer (E) has a Mooney viscosity within the range of 10 to 200.5. The rubber composition according to claim 3 , wherein the polymer (E) has a molecular weight distribution (Mw/Mn) within the range of 3.0 to 7.0.6. The rubber composition according to claim 2 , wherein at least one of the emulsion-polymerized polymer latex (A) and the emulsion-polymerized polymer latex (C) is a latex of a diene-based polymer.7. The rubber composition according to claim 6 , wherein at least one of the emulsion-polymerized polymer latex (A) and the emulsion-polymerized polymer latex (C) is a latex of a copolymer of a diene compound and an aromatic vinyl compound.8. The rubber composition according to claim 7 , wherein a difference between a content of aromatic vinyl compound of the polymer (B) obtained from the emulsion-polymerized polymer latex (A) and a content of aromatic vinyl compound of the polymer (D) obtained from the emulsion-polymerized polymer latex (C) is 10 mass % or less.9. The rubber composition ...

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Номер записи: 80
20-03-2014 дата публикации

METHOD OF PREPARING RUBBER LATEX HAVING HIGH POLYMERIZATION STABILITY

Номер: US20140080976A1
Автор: CHAI Joo Byung, Han Won Deok, JEON Tae Young, JUNG Yu Sung, Lee Chan Hong, Yoo Keun Hoon
Принадлежит: LG CHEM, LTD.

Disclosed is a method for preparing a rubber latex which includes adding a basic solution to an initial reaction hydrophilic monomer and a small amount of fat-soluble monomer when a polymerization conversion ratio is 90% or more to form particles having a small diameter and superior stability, ionizing an end of the particles to secure stability of the particles and growing the formed particles, and thereby obtains a stable latex with a large particle diameter using a minimal amount of emulsifying agent and minimizes gas generation and heat discoloration derived from the emulsifying agent. 1. A method for preparing a rubber polymer by emulsion polymerization comprising:(a) performing polymerization in the presence of a monomer, a unsaturated carboxylic acid derivative, an emulsifying agent, a polymerization initiator and a molecular weight modifier, and continuously adding a basic solution thereto to prepare a seed polymer; and(b) continuously adding the seed polymer, a monomer, a polymerization initiator and an emulsifying agent and performing polymerization to grow the seed polymer.2. The method according to claim 1 , wherein the basic solution is added in an amount of 0.5 to 10 parts by weight claim 1 , with respect to 100 parts by weight of the total monomer of the step (a).3. The method according to claim 1 , wherein the basic solution is a 0.1 to 30 wt % basic aqueous solution.4. The method according to claim 1 , wherein the basic solution is added when a polymerization conversion ratio is 90% or more.5. The method according to claim 1 , wherein the unsaturated carboxylic acid derivative comprises at least one selected from the group consisting of acrylic acid claim 1 , maleic acid claim 1 , methacrylic acid claim 1 , itaconic acid and fumaric acid.6. The method according to claim 1 , wherein the basic solution is a sodium hydroxide solution or a potassium hydroxide solution.7. The method according to claim 1 , wherein claim 1 , as the emulsifying agent claim ...

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Номер записи: 81
20-03-2014 дата публикации

DISPERSING AGENT FOR INORGANIC FILLERS AND METHOD OF PRODUCING SAME

Номер: US20140080978A1
Автор: Hattori Makoto, Matsumoto Hironari, Miyano Akira, Noda Ippei, Ohi Yuji
Принадлежит:

The invention provides dispersing agents for inorganic fillers capable of uniformly dispersing inorganic fillers in a substrate such as made of a rubber or resin material such that molded products with improved mechanical strength and abrasion resistance can be produced from such a substrate material and more specifically that rubber compositions with improved abrasion resistance and workability can be obtained and that automobile tires with improved low fuel consumption and handling stability can be produced from such rubber compositions, as well as a method of producing such dispersing agents characterized as using a modified conjugated diene polymer obtained by introducing specified structural units with improved mutual reaction with inorganic fillers into a conjugated diene polymer having affinity with rubber and resin materials. 2. The dispersing agent for inorganic fillers of wherein said modified conjugated diene polymer has said Structural Unit A and said Structural Unit B introduced into a conjugated diene polymer.3. The dispersing agent for inorganic fillers of wherein R-Rare each a hydrocarbon group with 1-11 carbon atoms.4. The dispersing agent for inorganic fillers of wherein R-Rare each a hydrocarbon group with 1-4 carbon atoms.5. The dispersing agent for inorganic fillers of wherein X-Xare each Si.6. The dispersing agent for inorganic fillers of wherein said conjugated diene polymer is obtained by polymerizing or copolymerizing one or more of monomers selected from the group consisting of 1 claim 5 ,3-butadiene claim 5 , isoprene claim 5 , 1 claim 5 ,3-pentadiene claim 5 , 1 claim 5 ,4-pentadiene claim 5 , cyclopentadiene claim 5 , 2 claim 5 ,3-dimethyl-1 claim 5 ,3-butadiene claim 5 , 1 claim 5 ,4-hexadiene claim 5 , 1 claim 5 ,5-hexadiene claim 5 , 1 claim 5 ,3-cyclohexadiene claim 5 , 1 claim 5 ,4-cyclohexadiene claim 5 , 1 claim 5 ,3-heptadiene claim 5 , 1 claim 5 ,6-heptadiene claim 5 , 2-methyl-1 claim 5 ,3-heptadiene claim 5 , 3-methyl-1 claim ...

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Номер записи: 82
27-03-2014 дата публикации

METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE-BASED POLYMER, AND METHOD FOR PRODUCING POLYMER COMPOSITION

Номер: US20140088256A1
Автор: FUJII Mana
Принадлежит:

The present invention relates to a method for producing a modified conjugated diene-based polymer, the method comprising a step of reacting a conjugated diene-based polymer with an organometallic compound, and a step of reacting the resulting product and an epoxy compound. 2. The method according to claim 1 , wherein the epoxy compound has a hydrocarbyloxysilyl group.3. A method for producing a polymer composition claim 1 , the method comprising a step of kneading 100 parts by weight of a modified conjugated diene-based polymer produced by the method according to with from 10 to 150 parts by weight of a reinforcing agent.4. A method for producing a polymer composition claim 2 , the method comprising a step of kneading 100 parts by weight of a modified conjugated diene-based polymer produced by the method according to with from 10 to 150 parts by weight of a reinforcing agent. 1. Field of the InventionThe present invention relates to a method for producing a modified conjugated diene-based polymer and a method for producing a polymer composition using the polymer.2. Background ArtIn recent years, with an increase of interest in the environmental problems, improvement in fuel economy has strongly been required on automobiles, and a rubber composition to be used for automotive tires is also required to be superior in fuel economy. As a rubber composition for automotive tires, rubber compositions containing a conjugated diene-based polymer such as polybutadiene or a styrene-butadiene copolymer, and a reinforcing agent are used. The use of a silica reinforcing agent in place of carbon black, which has heretofore been used as a reinforcing agent, has been studied in order to improve performance se a rubber composition for tires.Silica reinforcing agents are lower in affinity with conjugated diene-based polymers as compared with carbon black. Improvement in fuel economy has believed to require to enhance affinity between silica reinforcing agents and conjugated diene-based ...

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Номер записи: 83
27-03-2014 дата публикации

MANUFACTURING METHOD FOR MULTIDIMENSIONAL POLYMER, AND MULTIDIMENSIONAL POLYMER

Номер: US20140088276A1
Автор: HOU Zhaomin, Pan Li
Принадлежит: RIKEN

A multidimensional polymer production method for producing a multidimensional polymer containing a repeating unit derived from a first monomer and a repeating unit derived from a second monomer, the multidimensional polymer production method including the steps of: (a) using a first catalyst and a second catalyst; and (b) carrying out a polymerization reaction in the presence of the first catalyst, the second catalyst, the first monomer, the second monomer, and a chain shuttling agent in an identical reaction system, the first catalyst selectively catalyzing a positionally selective or stereoselective polymerization reaction of the first monomer per se, and the second catalyst selectively catalyzing a positionally selective or stereoselective polymerization reaction of the second monomer per se. 1. A multidimensional polymer production method for producing a multidimensional polymer containing a repeating unit derived from a first monomer and a repeating unit derived from a second monomer different from the first monomer , said multidimensional polymer production method comprising the steps of:(a) using a first catalyst and a second catalyst; and(b) carrying out a polymerization reaction in the presence of the first catalyst, the second catalyst, the first monomer, the second monomer, and a chain shuttling agent in an identical reaction system,the first catalyst more selectively catalyzing a positionally selective or stereoselective polymerization reaction of the first monomer per se than catalyzing a polymerization reaction of the second monomer per se and a polymerization reaction of the first monomer and the second monomer, andthe second catalyst more selectively catalyzing a positionally selective or stereoselective polymerization reaction of the second monomer per se than catalyzing a polymerization reaction of the first monomer per se and the polymerization reaction of the first monomer and the second monomer.2. The multidimensional polymer production method ...

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Номер записи: 84
03-04-2014 дата публикации

Compositions for Grafting Fragrance Substances

Номер: US20140090182A1
Автор: Basile Ketrin Leka, Dente Stephen V., Harraka Julianne, Johnson Garry, Kesavan Purushothaman, Mukherjee Satyabrata, Ryan John, Thottathil Paul
Принадлежит: Robertet, Inc.

This disclosure relates to composition for grafting fragrance substances, as well as related articles, consumer products, and methods. 1. A composition , comprising:a fragrance;a coupling agent;a polymerizable prepolymer;a graft initiator; anda catalyst.2. The composition of claim 1 , wherein the coupling agent is a silane of formula (I):{'br': None, 'sub': 1', '2', '3', '4, 'Si—RRRR\u2003\u2003(I),'}{'sub': 1', '1', '10', '2', '10', '2', '3', '4', '1', '10', '1', '10', '6', '30, 'in which Ris C-Calkyl or C-Calkenyl, and each of R, R, and R, independently, is C-Calkyl, C-Calkoxy, or C-Caryl.'}3. The composition of claim 2 , wherein Ris vinyl and each of R claim 2 , R claim 2 , and Ris methoxy.4. The composition of claim 1 , wherein the composition comprises from 0.1 ppm to 5000 ppm of the coupling agent.5. The composition of claim 1 , wherein the polymerizable prepolymer comprises a polyalkylene prepolymer claim 1 , a urethane prepolymer claim 1 , an acrylic prepolymer claim 1 , an epoxy prepolymer claim 1 , a bisphenol A prepolymer claim 1 , a silicone prepolymer claim 1 , a polyester prepolymer claim 1 , a polyalkylene glycol prepolymer claim 1 , a polycarbodiimide prepolymer claim 1 , a polydiene prepolymer or a phenolic prepolymer.6. The composition of claim 5 , wherein the prepolymer comprises an isobutylene/butylene copolymer.7. The composition of claim 1 , wherein the composition comprises from 2 wt % to 50 wt % of the prepolymer.8. The composition of claim 1 , wherein the graft initiator comprises a salt of Ag claim 1 , Fe claim 1 , Co claim 1 , or Cu claim 1 , or a mixture thereof.9. The composition of claim 8 , wherein the graft initiator comprises silver perchlorate.10. The composition of claim 1 , wherein the composition comprises from 0.01 ppm to 10 ppm of the graft initiator.11. The composition of claim 1 , wherein the catalyst comprises a peroxide claim 1 , a peracid claim 1 , a perbenzoate claim 1 , a metabisulfite claim 1 , a persulfate claim 1 , or ...

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Номер записи: 85
10-04-2014 дата публикации

PROCESS FOR CREATING AN ETHYLENE ELASTOMER

Номер: US20140100325A1
Автор: Burton Willie Charles, Doucet Garrett, Tang Solomon H. K.
Принадлежит: LION COPOLYMER, LLC

A process for continuously making a terpolymer or a tetrapolymer utilizing ethylene, an alpha olefin, and at least one polyene. This process allows for the creation of products with high polyene contents and broad molecular weight distributions while utilizing a continuous flow reactor and a known catalyst. The process allows for these products to be made without gelling, or fouling of the reactor. 1. A process for continuously making terpolymers and tetrapolymers , comprising ethylene monomers , alpha olefin monomers , and non-conjugated polyene monomers , comprising:a. introducing a saturated hydrocarbon stream;b. introducing an alpha olefin monomer to the saturated hydrocarbon stream at a rate sufficient to achieve alpha olefin content in a final product of 14 percent to 50 percent of total weight, wherein the alpha olefin monomer comprises from 3 carbon atoms to 20 carbon atoms;c. introducing hydrogen gas to the saturated hydrocarbon stream at a rate sufficient to control the molecular weight of the final product;d. introducing a first non-conjugated polyene to the saturated hydrocarbon stream at a rate sufficient to achieve desired first non-conjugated polyene content in the final product;e. optionally introducing a second non-conjugated polyene to the saturated hydrocarbon stream at a rate sufficient to achieve desired second non-conjugated polyene content in the final product;f. introducing an ethylene to the saturated hydrocarbon stream at a rate sufficient to initiate the polymerization reaction and achieve ethylene content in the final product of 35 percent to 80 percent of total weight;g. cooling the saturated hydrocarbon stream, the alpha olefin monomer, hydrogen gas, the first non-conjugated polyene, the second non-conjugated polyene if used, and the ethylene to below 35 degrees Celsius to create a cooled mixture; (i) the Ziegler-Natta catalyst comprises a transition metal or a transition metal compound;', '(ii) the co-catalyst comprises a metal alkyl ...

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Номер записи: 86
04-01-2018 дата публикации

RUBBER COMPOSITION COMPRISING A SPECIFIC HYDROCARBONATED RESIN

Номер: US20180001702A1
Автор: CHATARD JULIEN, De Gaudemaris Benoît, DIMIER FRANCOIS, HELLOT FABIEN, HUT ALAIN
Принадлежит:

A rubber composition is based on at least one diene elastomer, a reinforcing filler, a crosslinking system and a hydrocarbon-based resin. The hydrocarbon-based resin has a number-average molecular weight (Mn) of between 700 and 1000 g/mol, an average molecular weight Mz of greater than 6000 g/mol and a polydispersity index (PI) of greater than 2.4. 115.-. (canceled)16. A rubber composition comprising at least one diene elastomer , a reinforcing filler , a crosslinking system and a hydrocarbon-based resin ,wherein said hydrocarbon-based resin has a number-average molecular weight Mn of between 700 and 1000 g/mol, an average molecular weight Mz of greater than 6000 g/mol and a polydispersity index PI of greater than 2.4.17. The rubber composition according to claim 16 , wherein the at least one diene elastomer is selected from the group consisting of essentially unsaturated diene elastomers.18. The rubber composition according to claim 16 , wherein the at least one diene elastomer is selected from the group consisting of polybutadienes claim 16 , synthetic polyisoprenes claim 16 , natural rubber claim 16 , butadiene copolymers claim 16 , isoprene copolymers and mixtures thereof.19. The rubber composition according to claim 16 , wherein a predominant diene elastomer is selected from the group consisting of polybutadienes claim 16 , copolymers of butadiene and styrene claim 16 , and natural rubber.20. The rubber composition according to claim 16 , wherein the reinforcing filler is selected from the group consisting of silicas claim 16 , carbon blacks and mixtures thereof.21. The rubber composition according to claim 16 , wherein a content of reinforcing filler is within a range extending from 5 to 200 phr.22. The rubber composition according to claim 21 , wherein the content of reinforcing filler is within a range extending from 40 to 160 phr.23. The rubber composition according to claim 16 , wherein a content of the hydrocarbon-based resin is within a range extending ...

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Номер записи: 87
07-01-2016 дата публикации

Process for Crosslinking EPM and EPDM

Номер: US20160002383A1
Автор: Beek Waldo Joseph Elisabeth
Принадлежит:

Process for crosslinking an elastomer selected from EPM and EPDM comprising the step of combining said elastomer with the following ingredients:—elemental sulfur—a peroxide—a first sulfur cure accelerator being a benzothiazole sulfonamide—a second sulfur cure accelerator selected from the group consisting of dithiocarbamates and thiurams. 1. A process for crosslinking an elastomer selected from the group consisting of EPM and EPDM comprising the step of combining said elastomer with the following ingredients:elemental sulfura peroxidea first sulfur cure accelerator being a benzothiazole sulfenamidea second sulfur cure accelerator selected from the group consisting of dithiocarbamates and thiurams.2. The process according to claim 1 , wherein the elastomer is EPDM.3. The process according to claim 1 , wherein the first sulfur cure accelerator is n-cyclohexyl-2-benzothiazole sulfenamide (CBS).4. The process according to claim 1 , wherein the second sulfur cure accelerator is a dithiocarbamate.5. The process according to claim 4 , wherein the dithiocarbamate is zinc dibenzyldithiocarbamate (ZBEC).6. The process according to claim 1 , wherein the second sulfur cure accelerator is a thiuram polysulfide.7. The process according to claim 6 , wherein the second sulfur cure accelerator is a thiuram disulfide.8. The process according to claim 7 , wherein the thiuram disulfide is tetrabenzyl thiuram disulfide (TBzTD).9. The process according to wherein the peroxide is selected from the group consisting of dicumyl peroxide claim 1 , trimeric cyclic methyl ethyl ketone peroxide claim 1 , 2 claim 1 ,5-dimethyl-2 claim 1 ,5-di(tert-butylperoxy)hexane claim 1 , and di(t-butylperoxyisopropyl)benzene. The present invention relates to a process for crosslinking ethylene-propylene (EPM) and ethylene-propylene-diene terpolymer (EPDM) elastomers.EPM-type elastomers are generally crosslinked (cured) with peroxides; EPDM-type elastomers can be crosslinked with either sulfur or peroxides. ...

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Номер записи: 88
05-01-2017 дата публикации

POLYMERS INCORPORATING HYDROXYL GROUP-CONTAINING METHYLSTYRENE

Номер: US20170002105A1
Автор: Pan Xiao-Dong, Qin Zengquan, Yan Yuan-Yong
Принадлежит: BRIDGESTONE CORPORATION

Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing α-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers. 2. The process of wherein said at least one type of polyene is polymerized before said compound is polymerized.3. The process of further comprising hydrolyzing each of said protecting groups so as to provide hydroxyl groups.4. The process of wherein m is 2.5. The process of wherein the two OGgroups are bonded to adjacent ring C atoms of the phenyl group.6. The process of wherein m is 2.7. The process of wherein the two OGgroups are bonded to adjacent ring C atoms of the phenyl group.8. The process of further comprising hydrolyzing each of said protecting groups so as to provide hydroxyl groups.9. The process of wherein m is 2.10. The process of wherein the two OGgroups are bonded to adjacent ring C atoms of the phenyl group.11. The process of wherein m is 2.12. The process of wherein the two OGgroups are bonded to adjacent ring C atoms of the phenyl group.13. The process of wherein each Gis a trialkylsilyl halide.14. The process of further comprising recovering and isolating and blending said polymer with ingredients that comprise at least one particulate filler so as to provide a rubber composition.15. The process of wherein said at least one particulate filler comprises carbon black.16. The process of wherein said rubber composition further comprises a vulcanizing agent.17. The process of further comprising vulcanizing said rubber composition so as to provide a vulcanizate claim 16 , said vulcanizate optionally being a tire component.18. The process of wherein said at least one particulate filler further comprises silica.19. The process of wherein said rubber composition ...

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Номер записи: 89
05-01-2017 дата публикации

COMPOSITIONS PREPARED USING AN IONIC CROSSLINKING AGENT AND METHODS OF MAKING THE SAME

Номер: US20170002172A1
Автор: Avramidis Kostas S.
Принадлежит:

Disclosed herein are compositions comprising an ionic crosslinking agent (e.g., compositions comprising crosslinked products prepared by ionically crosslinking a polymer derived from styrene and optionally butadiene using an ionic crosslinking agent). The present disclosure also relates to methods of making the disclosed compositions. The compositions disclosed herein can be used in a variety of applications including, but not limited to, asphalt compositions, paints, coatings, carpet compositions, paper binding and coating compositions, foams, or adhesives. 1. A composition comprising:a crosslinked product prepared by ionically crosslinking a polymer derived from styrene and optionally butadiene using an ionic crosslinking agent.2. The composition according to claim 1 , wherein the polymer is polystyrene.3. The composition according to claim 1 , wherein the polymer is derived from styrene and butadiene.4. The composition according to claim 3 , wherein the polymer is a carboxylated styrene-butadiene copolymer.5. The composition according to claim 3 , wherein the polymer is a non-carboxylated styrene-butadiene copolymer.6. The composition according to claim 1 , wherein the polymer is further derived from glycidyl methacrylate or N-methylolacrylamide.7. The composition according to claim 1 , wherein the ionic cross-linking agent has a valency of at least 2.8. The composition according to claim 1 , wherein the ionic cross-linking agent has a valency of at least 3.9. The composition according to claim 1 , wherein the ionic crosslinking agent includes zirconium.10. The composition according to claim 1 , wherein the crosslinked product is free of sulfur.11. A paint claim 1 , a paper binding or paper coating composition claim 1 , an adhesive claim 1 , a foam claim 1 , a powder claim 1 , or a carpet composition comprising the composition according to .12. An asphalt composition comprising the composition according to .13. The asphalt composition according to claim 12 , ...

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Номер записи: 90
04-01-2018 дата публикации

PROCESS FOR PRODUCING AROMATIC VINYL/CONJUGATED DIENE COPOLYMER AND PRODUCT OF HYDROGENATION THEREOF

Номер: US20180002457A1
Автор: HATANAKA Yasuhiro, SHINTANI Masataka, TSUJI Tomoaki
Принадлежит: KURARAY CO., LTD.

As a method for producing a copolymer with a high oil absorption rate by separating a solvent from a copolymer solution containing a copolymer in a simple manner with a less energy consumption, the present invention relates to a production method for obtaining a copolymer by separating a solvent from a copolymer solution, the method including the following Steps A to C. 1. A method for producing a copolymer (P) , comprising separating a solvent contained in a copolymer (P) solution to obtain the copolymer (P) ,the copolymer (P) being at least one copolymer selected from the group consisting of an aromatic vinyl compound-conjugated diene copolymer comprising at least one conjugated diene and at least one aromatic vinyl compound and having a weight average molecular weight of 10,000 to 1,000,000, a hydride of the copolymer, and a mixture thereof;the solvent being a saturated aliphatic hydrocarbon solvent or a saturated alicyclic hydrocarbon solvent each having a boiling point of 30 to 100° C.,the method comprising:regulating a solid component concentration (Ts) of the copolymer (P) solution to a range of (5≦Ts≦60) in terms of a mass %;heating the copolymer (P) solution obtained in the regulating such that a temperature T (° C.) is in a range of {(225−1.9×Ts)≦T≦(310−1.9×Ts)}; anddischarging the copolymer (P) solution heated in the heating from any one nozzle selected from a rotary wheel atomizer, a two-fluid nozzle atomizer, and a pressure nozzle atomizer at a linear velocity of 1 to 100 m/sec to separate the solvent in an inert gas stream at 0 to 200° C.2. The method according to claim 1 , wherein the copolymer (P) is at least one copolymer selected from the group consisting of a block copolymer comprising a polymer block (b) comprising at least one conjugated diene unit and a polymer block (a) comprising at least one aromatic vinyl compound unit claim 1 , a hydride of the block copolymer claim 1 , and a mixture thereof.3. The method according to claim 1 , wherein the ...

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Номер записи: 91
02-01-2020 дата публикации

Modified Conjugated Diene-Based Polymer and Rubber Composition Including the Same

Номер: US20200002454A1
Автор: Chai Da Won, Choi Heung Yeal, Kim No Ma, Kim Sun Keun, LEE Ho Young, Lee Hyoung Woo, Na Youk Reol, Son Ki Seok
Принадлежит: LG CHEM, LTD.

A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and a rubber composition including the same. 1. A modified conjugated diene-based polymer having:a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC),a molecular weight distribution (PDI; MWD) of 1.0 or more and less than 1.7, anda Si content of 100 ppm or more based on a total weight of the modified conjugated diene-based polymer.2. The modified conjugated diene-based polymer of further comprising claim 1 , a repeating unit derived from a conjugated diene-based monomer and a functional group derived from a modifier.3. The modified conjugated diene-based polymer of claim 2 , wherein the modifier is an alkoxysilane-based modifier.4. The modified conjugated diene-based polymer of claim 1 , wherein the modified conjugated diene-based polymer has a number average molecular weight (Mn) of 1 claim 1 ,000 g/mol to 2 claim 1 ,000 claim 1 ,000 g/mol claim 1 , and a weight average molecular weight (Mw) of 1 claim 1 ,000 g/mol to 3 claim 1 ,000 claim 1 ,000 g/mol.5. (canceled)6. The modified conjugated diene-based polymer of claim 1 , wherein Mooney viscosity is 30 or more at 100° C.7. A modified conjugated diene-based polymer having:a unimodal molecular weight distribution of a polymer component having a molecular weight of 100,000 g/mol or more measured by gel permeation chromatography (GPC) with polystyrene as a standard for calculating molecular weight,a molecular weight distribution (PDI; MWD) of 2.0 or less,a number average molecular weight (Mn) of 250,000 g/mol to 700,000 g/mol,a vinyl content of a butadiene unit of 20 mol % to 80 mol %,a Si content of 100 ppm or more based on a total weight of the modified ...

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Номер записи: 92
07-01-2021 дата публикации

COPOLYMER, METHOD FOR MANUFACTURING COPOLYMER, RUBBER COMPOSITION, AND TIRE

Номер: US20210002399A1
Автор: TAKANO Shigenaga, Tardif Olivier
Принадлежит: BRIDGESTONE CORPORATION

An object of the present disclosure is to provide a copolymer which is reduced in heat generation in a low strain region and exhibits good workability, while having excellent wear resistance and crack growth resistance. To achieve the object, the present disclosure proposes a copolymer containing at least a non-conjugated olefin unit and a conjugated diene unit, wherein: a content of the non-conjugated olefin unit therein is equal to or larger than 40 mol %; and a degree of crystallinity derived from the non-conjugated olefin unit in the temperature range of 100° C. to 150° C. measured by a differential scanning calorimeter (DSC), is equal to or smaller than 4.0%. The present disclosure also proposes a method for manufacturing the copolymer. 1. A copolymer containing at least a non-conjugated olefin unit and a conjugated diene unit , wherein: 'a degree of crystallinity derived from the non-conjugated olefin unit in the temperature range of 100° C. to 150° C., measured by a differential scanning calorimeter (DSC), is equal to or smaller than 4.0%.', 'a content of the non-conjugated olefin unit therein is equal to or larger than 40 mol %; and'}2. The copolymer of claim 1 , further containing an aromatic vinyl unit.3. The copolymer of claim 1 , wherein the non-conjugated olefin unit is an acyclic non-conjugated olefin unit.4. The copolymer of claim 3 , wherein the acyclic non-conjugated olefin unit is constituted of only an ethylene unit.5. The copolymer of claim 1 , wherein the conjugated diene unit includes 1 claim 1 ,3-butadiene unit and/or an isoprene unit.6. The copolymer of claim 1 , wherein the conjugated diene unit includes only 1 claim 1 ,3-butadiene unit.7. The copolymer of claim 2 , wherein the aromatic vinyl unit includes a styrene unit.8. The copolymer of claim 2 , wherein a content of the non-conjugated olefin unit is in the range of 40 to 97 mol % claim 2 , a content of the conjugated diene unit is in the range of 1 to 50 mol % claim 2 , and a content of ...

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Номер записи: 93
03-01-2019 дата публикации

Azasilane-based modifier, and method for preparing modified and conjugated diene-based polymer using the same

Номер: US20190002598A1
Автор: Da Won CHAI, Ho Young Lee, No Ma Kim, Sang Mi Lee
Принадлежит: LG Chem Ltd

The present invention provides an azasilane-based modifier of Formula 1, which may easily introduce a functional group having affinity with a filler into a conjugated diene-based polymer chain, a modified and conjugated diene-based polymer including the functional group derived from the azasilane-based modifier, a method for preparing the modified and conjugated diene-based polymer, a rubber composition including the modified and conjugated diene-based polymer, and a molded article and a tire manufactured from the rubber composition.

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Номер записи: 94
07-01-2021 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE THEREOF

Номер: US20210002405A1
Автор: KAMATA Ichiro
Принадлежит:

A thermoplastic resin composition of the present invention comprises: a graft copolymer (A) obtained by polymerizing a vinyl-based monomer mixture (m1) composed of one or more types of vinyl-based monomers, in the presence of a rubber-like polymer (a) having a volume average particle size of 80 to 250 nm; and a vinyl-based copolymer (B) composed of 31 to 50% by mass of a vinyl cyanide-based monomer unit, 50 to 69% by mass of an aromatic vinyl-based monomer unit, and 0 to 30% by mass of another vinyl-based monomer unit, wherein proportions of the graft copolymer (A) and the vinyl-based copolymer (B) are 30 to 70% by mass and 30 to 70% by mass, respectively, with respect to a total of 100% by mass of the graft copolymer (A) and the vinyl-based copolymer (B). 1. A thermoplastic resin composition comprising:a graft copolymer (A) obtained by polymerizing a vinyl-based monomer mixture (m1) composed of one or more types of vinyl-based monomers, in the presence of a rubber-like polymer (a) having a volume average particle size of 80 to 250 nm; anda vinyl-based copolymer (B) composed of 31 to 50% by mass of a vinyl cyanide-based monomer unit, 50 to 69% by mass of an aromatic vinyl-based monomer unit, and 0 to 30% by mass of another vinyl-based monomer unit,wherein proportions of said graft copolymer (A) and said vinyl-based copolymer (B) are 30 to 70% by mass and 30 to 70% by mass, respectively, with respect to a total of 100% by mass of said graft copolymer (A) and said vinyl-based copolymer (B).2. The thermoplastic resin composition according to claim 1 ,wherein said vinyl-based copolymer (B) is composed of 31 to 43% by mass of said vinyl cyanide-based monomer unit, 57 to 69% by mass of said aromatic vinyl-based monomer unit, and 0 to 30% by mass of said another vinyl-based monomer unit.3. The thermoplastic resin composition according to claim 1 , wherein said vinyl-based copolymer (B) has a weight average molecular weight of 80 claim 1 ,000 to 120 claim 1 ,000.4. The ...

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Номер записи: 95
07-01-2021 дата публикации

RESIN COMPOSITION FOR MASTERBATCH

Номер: US20210002435A1
Автор: ABE Shota, MATSUNAGA Kouzi, SUZUKI Terufumi, TAKESHIMA Atsushi, YOSHIDA Yuto
Принадлежит: Mitsui Chemicals, Inc.

A masterbatch of a liquid additive is provided, the resin composition for the masterbatch comprising (a) a block copolymer or a hydrogenated product thereof, the block copolymer containing a polymer block having a vinyl aromatic compound as a main component and a polymer block having a conjugated diene compound as a main component, and 40 to 100 parts by mass of a polyolefinic resin and 100 to 150 parts by mass of an ethylene.α-olefin copolymer with respect to 100 parts by mass of the (a) component, wherein the kinematic viscosity at 100° C. is 10 to 5,000 mm/s; the ethylene molar content is in the range of 30 to 85 mol %; and the molecular weight distribution (Mw/Mn) for the molecular weight measured by gel permeation chromatography (GPC) with reference to polystyrene is not more than 2.5. 1. A resin composition for a masterbatch , comprising: (a) a block copolymer or a hydrogenated product thereof , the block copolymer containing a polymer block having a structural unit derived from a vinyl aromatic compound as a main component and a polymer block having a structural unit derived from a conjugated diene compound as a main component; and 40 to 100 parts by mass of (b) a polyolefinic resin; and 100 to 150 parts by mass of (c) an ethylene.α-olefin copolymer having characteristics (c1) to (c3) described below , with respect to 100 parts by mass of the (a) component ,{'sup': '2', '(c1) a kinematic viscosity at 100° C. is 10 to 5,000 mm/s;'}(c2) a content of a structural unit derived from ethylene is in the range of 30 to 85 mol %; and(c3) a molecular weight distribution (Mw/Mn) for the molecular weight measured by gel permeation chromatography (GPC) with reference to polystyrene is not more than 2.5.2. The resin composition for a masterbatch according to claim 1 , wherein the (a) component is a hydrogenated product of the block copolymer.3. The resin composition for a masterbatch according to claim 1 , wherein the kinematic viscosity of the (c) ethylene.α-olefin ...

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Номер записи: 96
07-01-2021 дата публикации

METHOD OF PREPARING GRAFT COPOLYMER, GRAFT COPOLYMER, AND THERMOPLASTIC RESIN MOLDED ARTICLE INCLUDING GRAFT COPOLYMER

Номер: US20210002472A1
Автор: AHN Bong Keun, Hwang Yong Yeon, JEON Ji Yoon, JOE Wang Rae, Kim Min Jung, Park Jang Won
Принадлежит: LG CHEM, LTD.

Provided are a method of preparing a graft copolymer, a graft copolymer, and a thermoplastic resin molded article including the graft copolymer, the method including: 1) preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer and performing polymerization; 2) in the presence of the seed, preparing a core by adding an alkyl (meth)acrylate-based monomer and performing polymerization; and 3) in the presence of the core, preparing a shell by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and performing polymerization, wherein the method further includes adding an alkyl acrylate-based polymer. When the alkyl acrylate-based polymer is included in a graft copolymer, a graft copolymer and a thermoplastic resin molded article excellent in weather resistance, fluidity, mechanical properties, and appearance quality can be provided. 1. A method of preparing a graft copolymer , comprising:1) preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer and performing polymerization;2) in the presence of the seed, preparing a core by adding an alkyl (meth)acrylate-based monomer and performing polymerization; and3) in the presence of the core, preparing a shell by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and performing polymerization,wherein the method further includes adding an alkyl acrylate-based polymer.2. The method of claim 1 , wherein the alkyl acrylate-based polymer has a weight-average molecular weight of 1 claim 1 ,000 to 2 claim 1 ,500 g/mol.3. The method of claim 1 , wherein the alkyl acrylate-based polymer has a viscosity of 20 to 1 claim 1 ,000 cps claim 1 , as measured at 25° C.4. The method of claim 1 , wherein the alkyl acrylate-based polymer is added in one or more steps of ...

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Номер записи: 97
07-01-2021 дата публикации

LATEX OF THE HIGHLY SATURATED NITRILE RUBBER AND ADHESIVE COMPOSITION

Номер: US20210002522A1
Автор: NAKASHIMA Tomonori, Senda Osamu
Принадлежит: ZEON CORPORATION

A latex of a highly saturated nitrile rubber wherein the highly saturated nitrile rubber contains α,β-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt %, has an iodine value of 120 or less, and has a weight average molecular weight of solubles in chloroform of 100,000 or less, and when removing volatiles contained in the latex and making a film of the highly saturated nitrile rubber, a loss tangent tan δat 50° C. of the film is 0.3 to 0.6 and a complex torque S* at the time of 100% shear strain at 100° C. of the film is 20 dNm or less, and an adhesive composition containing the latex are provided. 1. An adhesive composition comprising a latex of a highly saturated nitrile rubber wherein the highly saturated nitrile rubber contains α ,β-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt % has an iodine value of 120 or less , and has a weight average molecular weight of solubles in chloroform of 100 ,000 or less , and{'sub': '(50° C.)', 'when removing volatiles contained in the latex and making a film of the highly saturated nitrile rubber, a loss tangent tan δat 50° C. of the film is 0.3 to 0.6 and a complex torque S* at the time of 100% shear strain at 100° C. of the film is 20 dNm or less'}2. The adhesive composition according to further comprising a resorcinol formaldehyde resin.3. The adhesive composition according to wherein a content of the resorcinol formaldehyde resin is 5 to 30 parts by weight with respect to 100 parts by weight of a solid content of the latex of a highly saturated nitrile rubber.4. The adhesive composition according to wherein the highly saturated nitrile rubber further contains at least one of d ene monomer units and α-olefin monomer units in a ratio of 40 to 89.9 wt %.5. A fiber base material-highly saturated nitrile rubber composite obtained by bonding a fiber base material and a highly saturated nitrile rubber using the adhesive composition according to . This application is a Divisional ...

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Номер записи: 98
13-01-2022 дата публикации

CHLOROPRENE/UNSATURATED NITRILE COPOLYMER COMPOSITION AND VULCANIZED MOLDED OBJECT

Номер: US20220010097A1
Автор: ISHIGAKI Yuhei, Kobayashi Naoki, KONDO Atsunori, NISHINO Wataru, ONUKI Suguru
Принадлежит: Denka Company Limited

A chloroprene-unsaturated nitrile copolymer composition containing 100 parts by mass of a chloroprene-unsaturated nitrile copolymer having 3 to 20% by mass of a structural unit derived from an unsaturated nitrile monomer, and 0.05 to 2.0 parts by mass of a xanthogen compound. 1. A chloroprene-unsaturated nitrile copolymer composition comprising 100 parts by mass of a chloroprene-unsaturated nitrile copolymer comprising 3 to 20% by mass of a structural unit derived from an unsaturated nitrile monomer; and 0.05 to 2.0 parts by mass of a xanthogen compound.3. The chloroprene-unsaturated nitrile copolymer composition according to claim 1 , further comprising 0.5 to 5 parts by mass of a sulfur-based vulcanization accelerator with respect to 100 parts by mass of the chloroprene-unsaturated nitrile copolymer.4. The chloroprene-unsaturated nitrile copolymer composition according to claim 3 , wherein the sulfur-based vulcanization accelerator comprises at least one compound selected from 3-methylthiazolidine-2-thione claim 3 , 1 claim 3 ,1 claim 3 ,3-trimethyl thiourea claim 3 , and ethylene thiourea.5. A vulcanized molded article of the chloroprene-unsaturated nitrile copolymer composition according to .6. A vulcanizate of the chloroprene-unsaturated nitrile copolymer composition according to .7. The chloroprene-unsaturated nitrile copolymer composition according to claim 1 , wherein the chloroprene-unsaturated nitrile copolymer comprises a structural unit derived from acrylonitrile.8. The chloroprene-unsaturated nitrile copolymer composition according to claim 1 , wherein the chloroprene-unsaturated nitrile copolymer comprises 9 to 17% by mass of the structural unit derived from an unsaturated nitrile monomer.9. The chloroprene-unsaturated nitrile copolymer composition according to claim 1 , wherein an amount of a structural unit derived from a chloroprene monomer is 83 to 91% by mass on the basis of the total amount of the chloroprene-unsaturated nitrile copolymer.10. The ...

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Номер записи: 99
01-01-2015 дата публикации

Conjugated diene polymer production method, and conjugated diene polymer composition production method

Номер: US20150005440A1
Автор: Mana FUJII
Принадлежит: Sumitomo Chemical Co Ltd

A method for producing a conjugated diene-based polymer is provided, in which compounds of formulas (2) and (3) and a conjugated diene compound are polymerized using a compound of formula (1), and then a compound containing a nitrogen atom and/or a silicon atom is reacted with an active end of the polymer formed via the polymerization, R 11 represents a hydrocarbylene group, R 12 and R 13 each represent an optionally substituted hydrocarbyl group or a trihydrocarbylsilyl group, or R 12 is bonded to R 3 and the group in which R 12 is bonded to R 13 represents a hydrocarbylene group optionally having a nitrogen and/or oxygen atom, —Si(R 14 ) 2 —(CH 2 ) x —Si(R 14 ) 2 —, or —Si(R 15 ) 2 —(CH 2 ) y − , and M represents an alkali metal atom, E 2 -A 2   (2) E 3 -A 3   (3) E 2 and E 3 each represent a hydrocarbyl group having a polymerizable carbon-carbon double bond, A 2 represents a substituted amino group or a nitrogen-containing heterocyclic group, and A 3 represents a substituted silyl group.

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Номер записи: 100