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WO/2012/057308 |
The present invention provides a rubber composition for a tire, which is excellent in terms of low heat build-up (low fuel consumption), wet grip performance and abrasion resistance, and a pneumatic tire that uses the rubber composition ...
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WO/2012/050666 |
An underwater pelletizing method for pelletizing brittle hydrocarbon resins with low melt viscosity. A feed material comprising the hydrocarbon resin is formed into a melt, extruded through a die into a water bath below the Tg of the hyd...
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WO/2012/044417 |
The disclose provides pressure-sensitive adhesives and adhesive sealants prepared from modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom.
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WO/2012/044483 |
Brominated styrene-butadiene copolymers are recovered from solutions in a halogenated solvent by an anti-solvent precipitation process. The precipitation process is performed by adding the anti-solvent to the brominated styrene-butadiene...
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WO/2012/044482 |
Butadiene polymers are brominated using a quaternary ammonium or quaternary phosphonium tribromide as the brominating agent. The bromination is performed in a solvent mixture than contains at least one polyhalogenated alkane and at least...
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WO/2012/044318 |
A barrier layer is provided for impeding the flow of inflation gas through an inflatable article, the barrier layer constructed of a material that is based upon a cross-linkable rubber composition, the cross-linkable rubber composition c...
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WO/2012/032895 |
Provided are: a rubber composition which can be used in use applications such as automotive tires and can improve the fuel saving performance and driving stability of an automobile or the like: a process for producing a rubber compositio...
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WO/2012/028503 |
The invention relates to a novel method for producing nitrile rubbers by means of radical polymerisation in an organic solvent and in the presence of specific molecular weight regulators. Said polymerisation can be followed by a hydrogen...
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WO/2012/028501 |
The invention relates to a novel method for producing nitrile rubbers by means of radical polymerisation in the presence of an initiator in at least one organic solvent. Said polymerisation can be followed by a hydrogenation in order to ...
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WO/2012/028506 |
The invention relates to novel rubber blends containing a first nitrile rubber characterised by a low molecular weight and a specific structure, and a second nitrile rubber different from the first. The invention also relates to vulcanis...
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WO/2012/022710 |
The present invention relates to a process for the preparation of an agglomerated rubber latex and the use thereof for the manufacture of ABS thermoplastic molding compositions or thermoplastic compositions of the ABS type and polymer co...
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WO/2012/019978 |
The invention relates to novel partially hydrogenated nitrile rubbers which are characterised by a special ratio of viscosity and molecular weight, and further to vulcanisable mixtures and vulcanised materials based thereon, and to the a...
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WO/2012/021093 |
The invention relates to a method for removing deposits of a high‑molecular‑weight polymer from polymerization equipment, the method comprising treating the reactor equipment, which contains deposits of the high‑molecular‑weight ...
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WO/2012/018682 |
Provided herein are graft copolymers of polyfarnesenes with condensation polymers; and methods of making and using the graft copolymers disclosed herein. The graft copolymers are obtained from the reaction of a polycondensation polymer w...
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WO/2012/013697 |
This invention relates to a process for the hydrogenation of diene-based copolymers in the presence of cata!ysts on specific carrier materials containing at least one hyper-branched polymer.
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WO/2012/007889 |
The present invention relates to a method for preparing grafted polymers from a polymer made of conjugated diene units and a graft which is a thiol derivative. The method is characterised by the lack of a solvent and of a radical initiat...
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WO/2012/007442 |
The invention relates to a rubber composition containing at least one diene elastomer, a reinforcing filler, a chemical cross-linking agent, and a modifying agent selected from among the compounds that include at least one group Q and at...
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WO/2012/007443 |
The present invention relates to a modified polymer obtained by grafting a compound thereto, said compound including at least one group Q and at least one group A bonded together by at least one, and preferably only one, spacer group Sp,...
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WO/2012/007441 |
The present invention relates to a modified polymer produced by grafting a compound thereto, said compound including at least one group Q and at least one group A bonded together by at least one, and preferably only one, spacer group Sp,...
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WO/2011/158024 |
A method for the devulcanisation of a rubber material, the method comprising contacting the rubber material with carbon dioxide and an additive selected from dithiocarbamates, thiazoles, guanidines, thiurams, sulphenamides and mixtures t...
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WO/2011/159448 |
Butadiene polymers are brominated using tetraethylammonium tribromide as the brominating agent. The bromination is performed in a solvent for the starting polymer and for the tetraethylammonium bromide that is formed as a reaction byprod...
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WO/2011/155326 |
Provided is a method for producing a conjugated diene rubber useful as a starting material for a crosslinked rubber capable of being used in a tire tread and the like in order to reduce fuel consumption. The method for producing a modifi...
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WO/2011/155561 |
Disclosed are a modified natural rubber having a reduced tan δ, a method for producing the modified natural rubber, a rubber composition comprising the modified natural rubber, and a pneumatic tire comprising the rubber composition. Fur...
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WO/2011/149374 |
The invention relates to a method for modifying rubber mixes and general and special-purpose rubbers based on high-molecular carbon-chain polymers. A method is described for modifying rubber mixes and rubbers with the aid of unsaturated ...
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WO/2011/141275 |
By using specific cross-linking agents which contain at least two isocyanate groups, optionally hydrated nitrile rubber terpolymers containing hydroxyl groups can be cross-linked successfully. Preferred cross-linking agents have allophan...
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WO/2011/136884 |
In the production of isobutylene-based elastomers the product obtained from the polymerization process is often in the form of a stream. Described herein are an apparatus and a process for removal of hydrocarbon liquids from the elastome...
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WO/2011/132594 |
Provided is a rubber composition for producing a crosslinked rubber composition which is useful in automotive tires and so on and which can improve the fuel efficiency and steering stability of an automobile or the like. Also provided ar...
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WO/2011/129425 |
Provided is a process for producing a modified conjugated diene polymer which gives a vulcanizate that has an excellent balance between low hysteresis loss characteristics and wet skid resistance and that has practically sufficient wear ...
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WO/2011/125698 |
Provided is a process for the production of a conjugated diene rubber usable as a raw material for a crosslinked rubber which is useful for tire treads or other applications and can ensure enhanced fuel efficiency. A process for the prod...
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WO/2011/125637 |
Disclosed is a rubber composition that when made into a tire improves durability such as wear resistance, tear resistance, and the like, and that enables a reduction in rolling resistance, by using a rubber composition that includes: a r...
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WO/2011/117302 |
The present invention relates to water and solvent-free polymers, in particular water and solvent-free synthetic rubber products like styrene butadiene rubber products and butadiene rubber products as well as a process for the production...
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WO/2011/117214 |
The present invention relates to a process for the production of water and solvent -free hydrogenated nitrile rubber polymers, to the hydrogenated nitrile rubbers and the use thereof. The hydrogenated nitrile rubbers comprise repeating u...
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WO/2011/117277 |
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.
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WO/2011/117194 |
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 comp...
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WO/2011/117280 |
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....
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WO/2011/116759 |
The invention relates to a method for producing modified plastics, in particular modified polyolefins, wherein plastics to be modified are fed to a friction zone and the plastics are conducted through the friction zone and at the same ti...
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WO/2011/113818 |
The invention relates to a tyre comprising at least one rubber composition comprising at least one diene elastomer, a reinforcing filler, a chemical crosslinking agent and a modifying agent chosen from compounds having formula (I), where...
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WO/2011/113148 |
There are disclosed a regenerated rubber, a method and apparatus for obtaining regenerated rubbers from vulcanized crumb rubber, such as rubber from scrap. The apparatus is a thermokinetic mixer having the particularity to have an air ti...
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WO/2011/108660 |
Disclosed is a method for producing modified natural rubber, comprising an epoxidation step, a removal step, and a reduction and ring-opening step. In the epoxidation step, in a latex in which a plant-derived rubbery polymer having a plu...
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WO/2011/105362 |
Disclosed are: a tire which exhibits excellent strength, low heat build-up, excellent wet grip performance, and excellent steering stability; a rubber composition suitable for use in producing the tire; and a conjugated diene rubber. The...
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WO/2011/102518 |
Disclosed are a polybutadiene having a controlled microstructure, a narrow molecular weight distribution, minimal gel content, and a low APHA color, a modified polybutadiene, preparation methods for both, and a rubber-reinforced styrene ...
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WO/2011/093104 |
Provided is a vulcanized rubber separation and recovery method which not only has a low reaction temperature and a high energy efficiency, but also exhibits excellent reaction speed and properties for recycling and recovering the separat...
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WO/2011/089091 |
The invention relates to an energy efficient, environmentally favourable process for the preparation of brominated rubbers, in particular bromobutyl rubber, that uses a common medium for both solution polymerization and subsequent bromin...
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WO/2011/089083 |
The invention relates to an energy efficient, environmentally favourable process for the preparation of butyl ionomers that uses a common medium for both solution polymerization and subsequent bromination of butyl rubber. More particular...
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WO/2011/083050 |
The invention is related to a process for grafting silane or silicone functionality onto a diene elastomer, comprising reacting the diene elastomer with an unsaturated monomer (A) containing an olefinic–C=C-bond or acetylenic -C≡C- b...
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WO/2011/079922 |
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 whe...
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WO/2011/079106 |
A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer, and reacting the reactive polymer with a protected polyoxime compound.
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WO/2011/066405 |
A process for producing functional polymer, the process comprising the steps of reacting an anionic initiator including a functional group with a stabilizing monomer to produce a stabilized initiator, reacting the stabilized initiator wi...
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WO/2011/059917 |
A method for providing a polymer having terminal functionality that includes at least one sulfur atom and at least one silicon or tin atom involves reacting a terminally active polymer with a cyclic compound that includes in its ring str...
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WO/2011/049180 |
Disclosed is a method for producing a conjugated diene rubber which is used as a starting material for a crosslinked rubber that is used in applications such as tire treads and capable of enhancing the fuel-efficient performance. Specifi...
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