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7566755 |
Compound and composition produced by using such compound
An object of the present invention can be to provide a crosslinking agent which exhibits excellent storage stability and heat resistance and which is used for a composition containing a rubber...
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7524901 |
Recyclable isotactic polypropylene
An easily recyclable cross-linked isotactic polypropylene that is additionally miscible with polyethylene is formed from a chemical reaction of combining a polymer, sulfur, peroxide, an...
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7517942 |
Method to make reversibly cross-linked isotactic polypropylene
A method for preparing reversibly cross-linked isotactic polypropylene having a degree of crystallinity substantially identical to a degree of crystallinity of a starting polypropylene by mixing in...
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7439309 |
Silver halide photographic light-sensitive material, photographic emulsion, and mercapto group-containing polymer compound used for them
Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the...
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7309744 |
Article formed from cross-linking isotactic polymers in the presence of peroxide
An article of manufacture made of an isotactic polymer, a cross-linking agent, and an accelerator. The cross-linking agent includes a peroxide and a sulfur. The peroxide has an activity ranging...
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7307127 |
Highly sulfonated block copolymer hydrogels and uses thereof
A block copolymer composition AB is provided that has pendent groups —RZ extending from the A copolymer on at least 70 mol % of the A monomers, where R and Z are each an ionic species. The...
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7288599 |
Oligomers and polymers containing sulfinate groups, and method for producing the same
The invention relates to polymers obtained by S-alkylation of sulfinated polymers with alkylation agents, and AB-cross-linked polymers obtained by reacting polymers containing alkylation groups...
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7241844 |
Method for cross-linking isotactic polymers in the presence of peroxide
A method for making isotactic polymer using a cross-linking agent entails introducing the cross-linking agent to a polymer and an accelerator. The cross-linking agent includes a peroxide and a...
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7241843 |
Rubber composition for tread
A rubber composition for a tread optimizing a vulcanization speed in a vulcanization step and, further, improving heat aging resistance is provided. A rubber composition for a tread comprising 20...
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7220806 |
Process for increasing ethylene incorporation into random copolymers
A process for preparing low melting copolymers comprising contacting a mixture of olefin monomers with a CpFlu-type metallocene catalyst under reaction conditions sufficient to form a copolymer....
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7160955 |
Sulfoxides or sulfones grafted onto polymers
Polymers grafted with a compound of formula I, formula (I) wherein the general symbols are as defined in claim 1, have outstanding stability against oxidative, thermal, dynamic, light-induced...
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6713580 |
Quaternary amino acids on solid supports
The present invention relates to novel templates useful for generating novel compounds and to compounds produced utilizing the templates. The templates comprise quaternary amino acids that may be...
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6593399 |
Preparing conductive polymers in the presence of emulsion latexes
A method for preparing an intrinsically conductive copolymer comprising preparing an emulsion latex in a medium; forming a mixture which comprises at least one cyclic heteroatom containing monomer,...
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6576704 |
Method for continuous treatment of saponified ethylene-vinyl acetate copolymer
The method of treating a saponified ethylene vinyl acetate copolymer (A) with an acid (B) and/or its salt (C) which comprises feeding a saponified ethylene-vinyl acetate copolymer (A′) in which...
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RE37527 |
Heat-resistant rubber composition
A heat-resistant rubber composition of the invention is a vulcanizable composition comprising a specific ethylene-α-olefin-nonconjugated polyene copolymer rubber (A) and an organic peroxide (B)....
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6291586 |
Amide functional ultraviolet light absorbers for polyurethanes and polyureas
An ultraviolet light absorbing material that resists blooming and migration is made up of a polyurethane or polyurea polymer and an amide functional ultraviolet light absorbing compound, wherein...
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6239231 |
Chemical amplifying type positive resist composition
A chemical amplifying type positive resist composition, excellent in adhesion to a substrate and good in resist performances and suitable for exposure using a KrF excimer laser, ArF excimer laser,...
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6114469 |
Rubber compositions containing zinc hexasulfide complexes
Rubber compositions which contain a complex of zinc hexasulfide with an amine, together with a vulcanization accelerator exhibit favorable vulcanization behavior, and their vulcanizates show...
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6069209 |
Coordinating resins and use thereof in selectively recovering metals
Chelating resins for use in selectively binding heavy metals, having the structure ##STR1## where Ps represents a poly(divinylbenzene), and R represents an organic radical containing at least one N...
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5783642 |
Coating compositions containing 1,3,5-triazine compounds substituted with acetal and/or cyclized acetal-based groups
Coating compositions containing new classes of 1,3,5-triazine compounds as crosslinkers are disclosed, which compounds are of the general formula ##STR1## wherein each of Y, Z, and optionally X are...
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5759967 |
Ethylene α-olefin/diene interpolymer-substituted carboxylic acid dispersant additives
The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene/alpha-olefin/diene interpolymer of 300 to 20,000 number average...
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5747601 |
Dihydropyridines as vulcanization accelerators for natural or synthetic rubbers
Vulcanization accelerators constituted by compounds belonging to the class of dihydropyridines having the general formula (I): ##STR1## and their use in natural or synthetic rubbers.
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5710211 |
Process for producing vinyl alcohol polymer
According to the present invention, there are provided a process for producing a vinyl alcohol polymer comprising reaction of a vinyl ester polymer (A) having an epoxy group with a compound (B)...
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5656696 |
Resin composition for injection molding
A resin composition for injection molding that has excellent transparency, and also has excellent strength and sufficient flexibility. The composition contains 50 to 99% by weight of component A,...
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5624764 |
Composite material of metal and rubber for use in industrial rubber articles
A composite material comprising a rubber composition and a metal material, wherein the rubber composition contains, per 100 parts by weight of rubber, a cobalt salt of an organic acid in an amount...
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5569719 |
Vulcanizable partially hydrogenated nitrile rubber composition containing partially hydrogenated unsaturated nitrile-conjugated diene copolymer sulfur vulcanizer and tellurium dithiocarbamate vulcanization promotor
A vulcanizable rubber composition including a partially hydrogenated unsaturated nitrile-conjugated diene copolymer having an iodine value of smaller than 25, a sulfur vulcanizer and a tellurium...
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5565496 |
Separating metals using a modified deionizing resin
A process for producing a deionizing resin, which comprises reacting an organic compound having at least one reactive hydroxy group and at least one active chelating site with an organic polymer...
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5374689 |
Rubber compositions containing 2-pyrazine sulfenamides
Thiols, or thiolate salts, disulfides and sulfenamides of certain pyrazines are effective accelerators in the sulfur vulcanization of rubber. These compounds, based on 2-pyrazine, show improved...
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5340487 |
Dispersant adducts comprising alcohol adducts of dicarboxylic acid monoepoxy thiol reaction products
The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with...
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5331058 |
Polymerization of olefinic-containing monomers employing anionic initiators
Process for anionically polymerising a conjugated 1,3-diene monomer consists of contacting the monomer in an inert hydrocarbon solvent with a monofunctional silyl ether initiator of general formula...
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5312873 |
Surface treatments to impart hydrophilicity
Water insoluble polymers are treated to place on their exposed surfaces the pendant alkyl imidocarbonyl (amide) groups to impart a high degree of hydrophilicity to that surface. Nitrile-containing...
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5310818 |
Vulcanizable chlorine-containing rubber compositions containing triazinethiol amine salt vulcanizing agents
A vulcanizable rubber composition containing (i) (A) a chlorine-containing rubber and (B) a triazinethiol.amine salt or (ii) (a) a chlorine-containing rubber, (b) a triazinethiol as a vulcanization...
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RE34514 |
Electrically conductive composition of polyheteroaromatic compounds and polymeric sulfates
A composition comprising (a) at least one oxidized polycationic polyheteroaromatic compound and (b) at least one polyanion of a film-forming thermoplastic polymer containing sulfated alcohol groups...
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5272218 |
Polymeric compositions for nonlinear optics
Disclosed are polymers which contain NLO dye moieties based upon a barbituric acid group, a thiobarbituric acid group or a 1,3-bis(dicyanomethylene)indan-2-ylidene group. These polymers, after...
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5270398 |
Curable acrylic rubber containing dibutylaminotriazine thiol and 9,10-dihydro-9-oxa-10-phosphapenathrene-10-oxide
A curable acrylic rubber composition which is comprised of (A) an acrylic polymer and, as a curing agent, a combination of (B) a polymer of a dibutylaminotriazine thiol with (C)...
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5266651 |
Crosslinked poled polymers for nonlinear optic applications and method of making them
Polymer reagents containing reactive functional groups are crosslinked by reacting them with compounds (crosslinking agents) which contain complimentary functional groups and have large nonlinear...
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5262490 |
Fluoroelastomer composition with organo-onium compounds
A fluoroelastomer composition is disclosed comprising an elastomeric polymer and a combination of a sulfonium compound and an ammonium or phosphonium compound. Shaped articles comprising the...
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5260411 |
Polyimide resins
A method for the preparation of a polyimide containing reversible crosslinks comprising the step of curing a monomer having the formula ##STR1## wherein R and R' may be the same or different and...
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5248736 |
Process for producing diene polymer with alkaline earth metal
There are provided a process for producing a diene polymer having markedly improved tensil strength and wear resistance and further having improved heat build-up, refound resilience, processability...
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5232990 |
Melamine derivative cross-linking agent
Derivatives of melamine are disclosed having a carboxylic acid substituent on an amine nitrogen appended to the triazine ring. The compounds can be used to cross-link polymers having epoxy groups...
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5221331 |
Aquatic antifouling composition
An aquatic antifouling composition characterized by containing as effective antifouling component a metal salt of hexamethylenedithiocarbamic acid represented by the formula below: ##STR1## (where...
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5219904 |
Crosslinkable, fluorine-containing elastomer composition
A cross-linkable, fluorine-containing elastomer composition comprising a fluorine-containing elastomer containing at least one of iodine and bromine in the molecule, an organic peroxide having a...
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5078905 |
Binders for road-making comprising benzothiazole compounds and dithiomorpholine
A vulcanization composition for elastomers, the composition comprising, by weight: 0.5 parts to 3 parts mercaptobenzothiazole, 0.5 parts to 3 parts tetramethylthiuram disulfide, 3 parts to 5 parts...
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5079305 |
Rubber compositions comprising sulfenimide accelerators
Heterocyclic thiol sulfenimide compounds are useful as an accelerator in the curing of natural and/or synthetic rubbers. The compound can be represented by the formula ##STR1## wherein each of A 1 ...
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5075385 |
Elastomer composition
A vulcanizable elastomer composition is prepared by blending 100 parts by weight of a copolymer containing (A) 50-85% by mole of ethylene unit, (B) 10-45% by mole of an alkyl acrylate unit...
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5036142 |
Process for making electro-optically active polymers
The invention provides a method for making optionally active polymers having a carbon-to-carbon backbone chain and pendant "transducer" groups having an azo linkage which involves azo-coupling, in...
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4981917 |
Process for preparing polymer bound antioxidant stabilizers
Polymer bound antioxidants are provided in which the antioxidant stabilizer groups are chemically bound to polymers or copolymers by an acylaminoimide or diacylhydrazide function. The polymer bound...
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4956419 |
Fluorine-containing polymers with pendent thioorgano groups and method of making said polymers
This invention provides fluorine-containing polymers having a plurality of thioorgano groups. These polymers are prepared by reacting a fluoropolymer precursor with one or more, organic, thiolate...
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4946593 |
Rubber composition for use with potable water
A rubber composition for use with potable water is disclosed. The composition is based on butyl rubber. The accelerator system is carbamate-free and the composition preferably includes coal-derived...
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4910266 |
Modification process using N-chloro-thiosulfonamide and rubber
Chlorothio-sulfonamide modified rubbery terpolymers, such as chlorothio-sulfonamide modified EPDM rubbers, have utility in a variety of applications. For example, such modified rubbers can be...
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