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WO/2000/053638A1 |
A method of modifying at least part of the surface of a vulcanised rubber object including: (i) treating at least part of a suface of the vulcanised rubber object with at least one halogenating agent to provide a halogenated rubber surfa...
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WO/2000/050499A1 |
A foamable rubber composition which comprises 100 parts by weight of a highly saturated copolymer rubber containing nitrile groups, 5 to 100 parts by weight of polyethylene, 3 to 100 parts by weight of a metal salt of an ethylenic carbox...
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WO/2000/044827A1 |
A rubber composition comprising a nitrile rubber and an epihalohydrin rubber is crosslinked with two or more crosslinking agents selected among a sulfur-based crosslinking agent, a mercaptotriazine crosslinking agent, and a 2,3-dimercapt...
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WO/2000/037555A1 |
Process for producing tyres for the wheels of vehicles, in which the raw tyre comprises at least one crosslinkable elastomeric material comprising an elastomeric polymer containing epoxide groups and an active filler containing hydroxyl ...
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WO/2000/029762A1 |
A power transmission belt (10) with a good balance of high temperature resistance, good belt durability and low temperature crack resistance. The main belt body portion of the power transmission belt is manufactured from an elastomeric m...
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WO/2000/011118A1 |
Use of a hydrogenated diene polymer with a polar group to improve cold flow improver adpack compatibility.
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WO/2000/011073A1 |
A thermoplastic vulcanizate prepared by dynamically vulcanizing a rubber within a blend that comprises the rubber, a fluorine containing thermoplastic, and a vulcanizing agent; wherein the rubber is selected from nitrile rubber, hydrogen...
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WO/2000/009576A1 |
The invention relates to a process for hydrogenating carbon-carbon double bonds of an unsaturated polymer by adding to the unsaturated polymer (1) a reducing agent selected from the group comprising hydrazines and hydrazine-releasing com...
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WO/2000/009568A1 |
The invention relates to a process for the hydrogenation of a polymer composed of diene monomer units and nitrile group containing monomer units in which crosslinks formed as a result of the hydrogenation are broken by adding, before, du...
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WO/1999/029775A1 |
A thermoplastic elastomer composition comprising the following components (A), (B-1) and (B-2), wherein the total content of the components (B-1) and (B-2) is 10 to 250 parts by weight per 100 parts by weight of the component (A) and the...
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WO/1999/016823A1 |
A pneumatic tire wherein a part or the whole of the members constituting the tire is made of a rubber composition comprising 100 parts by weight in total of a rubber including at least 70 parts of a highly saturated copolymer rubber base...
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WO/1999/011704A1 |
A rubber composition which comprises (A) a rubber ingredient consisting of (a) a highly saturated nitrile copolymer rubber having an iodine value of 120 or lower, preferably a hydrogenated, unsaturated nitrile/conjugated diene copolymer,...
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WO/1999/011696A1 |
A foaming rubber composition comprising a highly saturated nitrile copolymer rubber, such as a hydrogenated copolymer of an unsaturated nitrile and a conjugated diene or a hydrogenated copolymer of an unsaturated nitrile, a conjugated di...
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WO/1999/006077A1 |
An improved wound dressing is provided according to the present invention. In a preferred embodiment, the dressing comprises an absorbent layer including one or more absorbent and/or superabsorbent materials; a porous, non-stick layer or...
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WO/1998/050462A1 |
The invention concerns a rubber composition having improved hysteretic and physical properties enabling it to constitute a tyre running tread with particularly reduced road load, comprising carbon black having silica fixed on its surface...
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WO/1998/046649A1 |
A plastic article having a number of surfaces with at least one surface being modified by contacting that surface with a reactive gas atmosphere containing F�2?, Cl�2?, O�2?, Ozone, SO�3?, oxidative acids, or mixtures thereof, at...
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WO/1998/044037A1 |
A mixture composition of a synthetic resin and a rubber, characterized by comprising (A) 90 to 10 % by weight of at least one thermoplastic resin or thermosetting resin and (B) 10 to 90 % by weight of a highly saturated nitrile copolymer...
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WO/1998/044036A1 |
A cross-linking rubber composition comprising a highly saturated nitrile copolymer rubber, a metal salt of an $g(a), $g(b)-ethylenically unsaturated carboxylic acid, and an organic peroxide, wherein the copolymer rubber has a Mooney visc...
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WO/1998/044035A1 |
A rubber composition having not only oil resistance, heat resistance, and wearing resistance but high tensile strength and high tensile stress; and a modifier for preparing the same. By way of example, a modifier which comprises a carbox...
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WO/1998/044039A1 |
A composition comprising a mixture of a synthetic resin and a highly saturated carboxylated nitrile copolymer rubber, characterized by comprising (A) 90 to 10 % by weight of at least one thermoplastic or thermosetting resin and (B) 10 to...
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WO/1998/044038A1 |
An oil-resistant rubber composition characterized by comprising a carboxylated, highly saturated nitrile copolymer rubber having an acid equivalent of 2x10?-3� ephr or higher, a Mooney viscosity of 15 to 200, and an iodine value of 80 ...
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WO/1998/039380A1 |
Halogenated rubbery polymers are stabilized against discoloration with a weak base such as 100 to 500 ppm sodium bicarbonate. The additive is added to the rubbery polymers after dewatering in the finishing step of their manufacture. The ...
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WO/1998/013390A1 |
A carboxylated nitrile copolymer rubber exhibiting (a) an acid equivalent of 1 x 10?-4� ephr or above, (b) a [peak height assignable to carboxylic anhydride] to ([peak height assignable to carboxylic anhydride] + [peak height assignabl...
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WO/1997/048766A1 |
A process (i) for producing a rubber composition from a feedstock rubber (A) comprising a terminal-modified and/or coupled diene rubber and having an average glass transition temperature of TgA (�C), a feedstock rubber (B) comprising a...
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WO/1997/043337A1 |
A powdery thermoplastic elastomer composition having a sphere-equivalent average particle diameter of at most 1.2 mm and a specific bulk gravity of at least 0.38, and comprising: (a) 100 pts.wt. of a polyolefin resin; (b) 5 to 250 pts.wt...
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WO/1997/039056A1 |
A diene polymer composition which comprises (A) a branched diene polymer component composed of three or more diene polymer chains bonded to each other through a polyfunctional coupling agent and (B) a linear diene polymer component havin...
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WO/1997/036956A1 |
A highly saturated nitrile copolymer rubber lowered in Mooney viscosity by 15 or more points by applying a high shearing stress thereto in the presence of an age resister, which has a Mooney viscosity of 5 to 135 and a ratio of weight-av...
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WO/1997/031028A1 |
A diene rubber comprising a conjugated diene polymer or a conjugated diene/aromatic vinyl copolymer having a quaternary ammonium group bearing four carbon atoms bonded to the nitrogen atom at least one end of the polymer chain which has ...
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WO/1997/028216A1 |
A highly saturated nitrile copolymer rubber composition which comprises (I) a polymer mixture comprising 40 to 90 % by weight (based on the total amount of the polymer components (1 and 2)) of a polymer component (1) selected from among ...
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WO/1997/023515A1 |
Rubber particles, to be used as fillers or extenders for various composite polymer systems, are chlorinated by a gas-solid phase reaction with a chlorine-containing gas. A composite polymer containing the chlorinated rubber fillers or ex...
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WO/1997/023560A1 |
A curable rubber composition for the seal against hot water which comprises 100 parts by weight of a rubber mixture comprising 90 to 50 % by weight of a highly saturated nitrile copolymer rubber prepared by hydrogenating the conjugated d...
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WO/1997/022663A1 |
The invention relates to a drive belt comprising essentially an elastomeric covering layer, strengthening supports and an elastomeric base. To produce drive belts with good flexibility when cold and low oil-swelling, it is proposed that ...
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WO/1997/022662A1 |
The invention relates to a drive belt comprising essentially an elastomeric covering layer, strengthening members and an elastomeric base. To produce drive belts with excellent dynamic characteristics throughout their operational lives e...
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WO/1997/018264A1 |
A crosslinkable phase-stable composition, in particular for coating primed and unprimed substrates comprising from 10 to 80 percent by weight of a hydroxy functional polydiene polymer having a functionality of at least 1.3, 8 to 60 perce...
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WO/1997/016484A1 |
A vulcanizable rubber composition comprising a highly saturated nitrile copolymer rubber prepared by hydrogenating the conjugated diene moieties of an unsaturated nitrile-conjugated diene-unsaturated dicarboxylic ester (preferably a dial...
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WO/1997/006951A1 |
A self supporting film having one or more layers wherein at least one layer has a percent haze of less than 17.8 and the polymer of that layer consists essentially of a polyethylene having a density of at least 0.925 grams per cc, a mole...
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WO/1997/000911A1 |
A thermoplastic elastomer composition which comprises an ethylene-'alpha'-olefin copolymer rubber, a polyolefinic resin, and 0.1 to 150 parts by weight (per 100 parts by weight of the total amount of the ethylene-'alpha'-olefin copolymer...
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WO/1996/037550A1 |
A thermoplastic composition comprising a crystalline propylene polymer and as a modifying elastomer, a hydrogenated butadiene polymer which is either an essentially linear hydrogenated butadiene homopolymer or a star-branched polymer, th...
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WO/1996/037549A1 |
A thermoplastic composition comprising a crystalline propylene polymer and as a modifying elastomer, a hydrogenated butadiene polymer which is either an essentially linear hydrogenated butadiene homopolymer or a star-branched polymer, th...
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WO/1996/034059A1 |
A pavement rejuvenating and/or conditioning composition in which particular coal tar derivatives and other optional ingredients are supplemented with an elastomeric constituent. A rejuvenating or conditioning composition containing an el...
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WO/1996/034048A1 |
A vulcanised mixture of (i) one or more functionalised rubbers and (ii) one or more thermoplastics in a proportion sufficient for increasing the low elongation modulus, but such that the stress at failure is not reduced by more than 10 %...
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WO/1996/032440A1 |
An impact-resistant methacrylic resin which is more versatile from the industrial viewpoint, has weather resistance and surface gloss inherent therein and, if necessary, can maintain excellent properties such as transparency, and has an ...
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WO/1996/030418A1 |
Crystalline polychloroprene compositions comprise mercaptan-modified or xanthogen disulfide-modified 2-chloro-1,3-butadiene homopolymers having gel contents of 5-70 percent by weight. The polymers are prepared by free radical emulsion po...
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WO/1996/026243A1 |
Blends of previously-vulcanized fluoroelastomer with fluorine-free elastomer can be cured to have unexpectedly excellent physical properties.
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WO/1996/017015A1 |
A vulcanizable rubber composition comprising 100 parts by weight of a high-saturated-nitrile copolymer rubber with an iodine value of 80 or less, 3-30 parts by weight of a reinforcing filler, 30-200 parts by weight of a group 2 metal oxi...
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WO/1996/016118A1 |
A diene rubber (iii) is produced by mixing in solution a modified styrene-butadiene rubber (i) having a weight-average molecular weight of 150,000 to 500,000 and produded by the reaction between a diene polymer having a bonded active met...
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WO/1996/015164A1 |
In a process for producing modified rubber moulding masses, a first mixture (A) that contains at least one alkyl acrylate or methacrylate (a) having the general formula (I), in which R1 stands for a hydrogen atom or a methyl group and R2...
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WO/1996/015168A1 |
In a process for producing modified rubber moulding materials, a first mixture (A) that contains at least one alkyl acrylate or methacrylate (a) having the general formula (I), in which R1 stands for a hydrogen atom or a methyl group and...
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WO/1996/012617A1 |
A method for increasing the adhesion of a first layer comprising fluoroplastic to a second layer comprising a peroxide-curable hydrocarbon elastomer is disclosed. The method comprises adding a primary-amine containing unsaturated compoun...
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WO/1996/005250A1 |
A hydrogenated rubber composition comprising: (A) 100 parts by weight of a feedstock rubber containing at least 30 wt.% of at least one partially hydrogenated conjugated diene rubber with 5-70 % of the double bonds thereof hydrogenated; ...
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