Abstract: Antidegradant compound of Formula I: and antidegradant composition comprising the same and rubber composition comprising the antidegradant compound or composition. The rubber composition has good resistance to appearance discoloration while maintaining the mechanical and anti-aging properties, thus, are suitable for making the entire tire or as part of the rubber matrix.

Abstract: The present invention provides a gasket for an alkaline battery which enables such a long lifetime that liquid leakage due to carbides of a polyamide resin raw material does not occur, surface wrinkles are hardly generated because of excellent fluidity during molding, and a thin wall portion serving as an explosion-proof safety valve can be normally ruptured until the lifetime of an alkaline battery expires, and a method for manufacturing the same. The gasket for an alkaline battery is formed by injection molding a resin composition, and has a thin wall portion in part. The resin composition is a polyamide 610 resin composition containing a polyamide 610 resin as a main component and a molding aid such as a release agent and a crystal nucleating agent, the polyamide 610 resin having a viscosity number in a range of 80 ml/g or more and 145 ml/g or less.

Abstract: Provided is a rubber composition that has better weather resistance than conventional rubber compositions and can inhibit surface discoloration of a rubber article. The rubber composition contains at least one rubber component selected from natural rubber and diene-based synthetic rubbers and, blended therewith, at least one amine compound represented by formula (I) shown below. In formula (I), R1 and R2 each represent, independently of one another, an alkyl group having a carbon number of 1-10, an aralkyl group, or a phenyl group, and A represents an alkylene group having a carbon number of 6-30 that may include an interposed phenylene group.

Abstract: Provided is a rubber composition that has better weather resistance than conventional rubber compositions and can inhibit rubber article surface discoloration. The rubber composition contains at least one rubber component selected from natural rubber and diene-based synthetic rubbers and, blended therewith, at least one bisphenyldiamine compound represented by formula (I). In formula (I), R1, R2, R5, and R6 each represent, independently of one another, a hydrogen atom, an alkyl group having a carbon number of 1-10, or a phenyl group, but R1 and R2 do not both simultaneously represent a hydrogen atom and R5 and R6 do not both simultaneously represent a hydrogen atom, R3 and R4 each represent, independently of one another, an alkyl group having a carbon number of 1-8 or an aralkyl group, A represents an alkylene group having a carbon number of 1-12, and l, m, and n each represent an integer of 0 or 1.

Abstract: The invention relates to an NdBR wet masterbatch comprising —neodymium-catalyzed polybutadienes having a high proportion of cis-1,4 units of >95% and a low proportion of 1,2-vinyl content of <1%, with narrow polydispersity of less than 3, with a Mooney viscosity (ML1+4 100° C.) between 30 and 90 MU, with a high linearity index (ratio of solution viscosity to Mooney viscosity) of 3 to 10 m Pas/MU and with a Mooney relaxation after 30 seconds of 2 to 12%, the latter being prepared by means of solution polymerization, —at least one carbon black, the carbon black having an iodine absorption number (ION) between 85 and 210 mg/g, measured to ASTM D1510-1304, and an oil absorption number (OAN) between 75 and 150 ml/100 g, measured to ASTM D2414, and —an oil.

Abstract: The transfer member according to the present invention is a transfer member employed for transferring toner in an image forming apparatus utilizing electrophotography, made of a rubber composition at least containing styrene-butadiene rubber, ethylene-propylene-diene rubber and epichlorohydrin rubber as rubber components.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.

Abstract: The invention relates to a reinforced rubber composition based at least on an elastomeric matrix comprising natural rubber, on a reinforcing filler and on a polyaldimine compound of general formula (I), in which the R1, R2 and A elements are variable groups. This composition is intended in particular for the manufacture of semi-finished products for tyres.

Abstract: Aspartate-containing silicone copolymers are prepared in high yield and with low reaction time by preparing a monoester of hydroxyl functional polyether by reaction of the latter with maleic anhydride, and then reacting with a silicone containing at least one primary or secondary amino group.

Abstract: Rubber composition, especially for a tire, based on at least one diene elastomer, a reinforcing filler, a crosslinking system and an antioxidant system, wherein said antioxidant system comprises at least two antioxidants “A” and “B”: A. an N-alkyl-N?-phenyl-para-phenylenediamine corresponding to the formula (I): B. a 4,4?,4?-tris(alkylamino)triphenylamine corresponding to the formula (II): in which formulae, R1, R2, R3 and R4, which are identical or different, each represent a linear or branched alkyl group having from 1 to 12 carbon atoms or a cycloalkyl group having from 5 to 8 carbon atoms, the A/B weight ratio being between 0.1 and 5.0.

Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a diphenylamine of the general formula wherein R1 and R2 are each independently a hydrogen atom or a hydrocarbon group of 1 to 20 carbons, m is an integer from 1 to 5, and n is an integer from 1 to 4, with the proviso that if m and/or n is 2 or more, each occurrence of R1 and R2 may be the same or different. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

Abstract: Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-reinforced polyacrylate polymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced polyacrylate polymer compositions.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.

Abstract: To provide an optical film wherein deterioration of a diimonium compound in an adhesive layer is prevented, and a process for its production. An optical film comprising a base film and an adhesive layer which is formed on the base film and has a massive material dispersed in an adhesive, wherein the massive material contains a diimonium compound represented by the following formula (1) and has a melting point of at least 200° C.: wherein R1 to R8 represent each independently an unsubstituted or substituted, same or different, C1-6 aliphatic hydrocarbon group, provided that from 4.9 to 8 groups among R1 to R8 are a C1-3 aliphatic hydrocarbon group (in which some of hydrogen atoms may be substituted by halogen atoms), and X? represents (R9SO2)3C? wherein R9 represents a C1-4 aliphatic hydrocarbon group which is unsubstituted or substituted by a halogen atom.

Abstract: Disclosed is a rubber composition containing 100 parts by weight of a rubber blend comprising 99-85 by weight % of chloroprene rubber and 1-15 by weight % of chlorinated polyethylene rubber, (A) 10 to 30 parts by weight of a polyether ester-based plasticizer having a molecular weight of 450 to 650, or (B) 10 to 30 parts by weight of both of a polyether ester-based plasticizer having a molecular weight of 450 to 900 and an ester-based plasticizer having a molecular weight 350 to 500, and 3 to 10 parts by weight of two or more aromatic amine-based antioxidants. The rubber composition can simultaneously satisfy requirements for use as, for example, an automobile grease cup material, that is, heat resistance, ozone resistance, cold resistance, and adhesion to metal or resin.

Abstract: Moisture curable poly(acrylate) compositions having more environmentally acceptable catalysts and/or faster skin over time. The compositions demonstrate resistance to hydrocarbon fluids, such as transmission fluids, oils and fuels and are useful as gasketing materials.

Abstract: The present invention is to provide a fluoroelastomer composition which can suppress generation of unvulcanized portions even when a quaternary phosphonium salt is used as a vulcanization accelerator. Specifically, the present invention is a fluoroelastomer composition containing a polyol-crosslinkable fluoroelastomer, a polyhydroxy aromatic compound, a quaternary phosphonium salt, a divalent metal oxide and/or divalent metal hydroxide and an antioxidant.

Abstract: A fluoroelastomer mixture, including: a peroxide-vulcanizable fluoroelastomer (A) containing an iodine atom; and a peroxide-vulcanizable fluoroelastomer (B) containing an iodine atom. The fluoroelastomer (A) is a copolymer (a1) consisting of 50 to 85 mol % of a vinylidene fluoride unit and 15 to 50 mol % of a perfluoro(alkyl vinyl ether) unit, or a copolymer (a2) consisting of 45 to 85 mol % of a vinylidene fluoride unit, 1 to 30 mol % of a tetrafluoroethylene unit, and 14 to 30 mol % of a perfluoro(alkyl vinyl ether) unit. Further the fluoroelastomer (B) has a fluorine content of 70.0% or more. Also disclosed is a composition for peroxide vulcanization containing the above fluoroelastomer composition (i), a polyfunctional unsaturated compound (ii) and a peroxide (iii), as well as a method for producing the fluoroelastomer mixture.

Abstract: To provide an optical film wherein deterioration of a diimonium compound in an adhesive layer is prevented, and a process for its production. An optical film comprising a base film and an adhesive layer which is formed on the base film and has a massive material dispersed in an adhesive, wherein the massive material contains a diimonium compound represented by the following formula (1) and has a melting point of at least 200° C.: wherein R1 to R8 represent each independently an unsubstituted or substituted, same or different, C1-6 aliphatic hydrocarbon group, provided that from 4.9 to 8 groups among R1 to R8 are a C1-3 aliphatic hydrocarbon group (in which some of hydrogen atoms may be substituted by halogen atoms), and X? represents (R9SO2)3C? wherein R9 represents a C1-4 aliphatic hydrocarbon group which is unsubstituted or substituted by a halogen atom.

Abstract: The use of thermoplastic molding materials comprising A) 10 to 98.8% by weight of a mixture formed from a1) 40 to 70% by weight of nylon-6,6 or nylon-4,6 or nylon-6 or mixtures thereof, a2) 30 to 60% by weight of a polyamide having a ratio of methylene to amide groups of 7 to 12, B) 1 to 50% by weight of a fibrous or particulate filler, C) 0.1 to 3% by weight of a lubricant, D) 0.05 to 3% by weight of a heat stabilizer, E) 0 to 40% by weight of further additives, where the sum of the percentages by weight A) to E) and a1) and a2) adds to 100%, for production of stress cracking- and corrosion-resistant moldings.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.

Abstract: Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with peroxide curatives the polyamide-reinforced polyacrylate polymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced polyacrylate polymer compositions.

Abstract: Polyamide-filled acrylate copolymer compositions comprising a continuous acrylate copolymer phase and a discontinuous polyamide phase are produced by a melt mixing process. When crosslinked with diamine curatives the polyamide-filled acrylate copolymer compositions exhibit enhanced resistance to heat aging compared to carbon black-reinforced acrylate copolymer compositions.

Abstract: A method for making a high silica loaded polymeric composition by forming a pretreated silica by creating an aqueous slurry with a silica and a silane, mixing a solvent with the silane and adding the mixture to the silica, or spraying silane on the silica allowing the liquids to be absorbed into the silica. The method includes coupling the silane onto the silica, adding the pretreated silica to a carrier, forming a slurry, heating the slurry, and mixing preheated polymeric rubber latex with the heated slurry to form a latex slurry, then blending a coagulant with the latex slurry while stirring and allowing coagulation of the latex slurry to form the high silica loaded polymeric rubber composite.

Abstract: A compound having formula (I) wherein R1, R2, R3, R4, R5 and R6 independently are hydrogen, C1-C10 alkyl, C5-C10 cycloalkyl, C6-C10 aryl or C7-C20 aralkyl; X is a difunctional group selected from the group consisting of C2-C20 alkyl, C5-C20 cycloalkyl, C6-C10 aryl, C8-C20 aryl alkyl, C4-C20 heteroalkyl or C10-C20 aryl heteroalkyl.

Abstract: Rubber composition which can be used in particular for the manufacture of tires, comprising at least a diene elastomer, a reinforcing filler, a crosslinking system, between 0.2 and 10 phr of an antioxidant, such as a substituted para-phenylenediamine, and between 0.2 and 10 phr of an acetylacetonate of an alkali metal or alkaline earth metal, chosen in particular from the group consisting of Li, Na, K, Mg, Ca and the mixtures of such metals. This acetylacetonate compound makes it possible to advantageously reduce the consumption of antioxidant during the thermo-oxidizing ageing of the composition. Metal/rubber composite comprising such a composition and at least a metal reinforcement. Tire comprising a such composition or such a composite.

Abstract: Disclosed is a rubber composition containing 100 parts by weight of a rubber blend comprising 99-85 by weight % of chloroprene rubber and 1-15 by weight % of chlorinated polyethylene rubber, (A) 10 to 30 parts by weight of a polyether ester-based plasticizer having a molecular weight of 450 to 650, or (B) 10 to 30 parts by weight of both of a polyether ester-based plasticizer having a molecular weight of 450 to 900 and an ester-based plasticizer having a molecular weight 350 to 500, and 3 to 10 parts by weight of two or more aromatic amine-based antioxidants. The rubber composition can simultaneously satisfy requirements for use as, for example, an automobile grease cup material, that is, heat resistance, ozone resistance, cold resistance, and adhesion to metal or resin.

Abstract: The invention comprises lubricating compositions and hydraulic fluids containing N,N?-diaryl-m-phenylene diamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids.

Abstract: Rubber composition, especially for a tire, based on at least one diene elastomer, a reinforcing filler, a crosslinking system and an antioxidant system, wherein said antioxidant system comprises at least two antioxidants “A” and “B”: A. an N-alkyl-N?-phenyl-para-phenylenediamine corresponding to the formula (I): B. a 4,4?,4?-tris(alkylamino)triphenylamine corresponding to the formula (II): in which formulae, R1, R2, R3 and R4, which are identical or different, each represent a linear or branched alkyl group having from 1 to 12 carbon atoms or a cycloalkyl group having from 5 to 8 carbon atoms, the A/B weight ratio being between 0.1 and 5.0.

Abstract: Rubber composition, especially for a tire, based on at least one diene elastomer, a reinforcing filler, a crosslinking system and an antioxidant system, wherein said antioxidant system contains at least two antioxidants “A” and “B”: A. an N-alkyl-N?-phenyl-para-phenylenediamine corresponding to the formula (I): B. a 4,4?-bis(alkylamino)triphenylamine corresponding to the formula (II): in which formulae, R1, R2 and R3, which are identical or different, each represent a linear or branched alkyl group having from 1 to 12 carbon atoms or a cycloalkyl group having from 5 to 8 carbon atoms, the A/B weight ratio being between 0.2 and 5.0. Such an antioxidant system gives the composition of the invention a better long-term resistance to fatigue and to crack propagation.

Abstract: Novel additive systems for metallocene based filled cable insulation are disclosed. These systems provide excellent protection against thermal degradation, better cure state and reduced dissipation factor after prolonged heat exposure. The additives may contain one or more hindered amine light stabilizers and amine antioxidants.

Abstract: A rubber composition is disclosed wherein the rubber composition contains at least an effective amount of at least one substituted or unsubstituted diaryl amine-containing compound having at least one substituted or unsubstituted, saturated or partially saturated C5-C30 ring structure optionally containing one or more heteroatoms fused to at least one of the aryl rings.

Abstract: Provided is a low friction type anti-fouling paint. The anti-fouling paint includes prepolymer fluid formed of 10% to 30% NCO mythylene diisocyanate of 100 wt %; and resin fluid formed of polyoxylpropylenediamine of about 42 wt % to 48 wt % for adjusting an elongation and a tensile strength of a paint film, polyethertriamine of about 8 wt % to 10 wt % having a molecular weight of 5,000 for adjusting a curing time, polydiphenyltriamine of about 15 wt % to 20 wt % for adjusting a curing physical property and increasing the elongation, a modified silicone fluid of about 8 wt % to 12 wt % for increasing a slip and an anti fouling property, a filler of about 5 wt % to 9 wt % for increasing an abrasion resistance, an adhesion promoter of about 1 wt % to 2 wt %, and a pigment of about 1 wt % to 2 wt %.

Abstract: Novel additive systems for metallocene based filled cable insulation are disclosed. These systems provide excellent protection against thermal degradation, better cure state and reduced dissipation factor after prolonged heat exposure. The additives may contain one or more hindered amine light stabilizers and amine antioxidants.

Abstract: An epoxy composite material containing polyaniline/carbon black and preparation method thereof are disclosed. The epoxy composite material containing polyaniline/carbon black includes a plurality of polyaniline/carbon black composite with core-shell structure distributed in epoxy resin while polyaniline covers on surface of nanoscale carbon black to form the polyaniline/carbon black composite with core-shell structure. The polyaniline/carbon black composite with core-shell structure contains 10˜30 wt. % of nanoscale carbon black. A method for preparing an epoxy composite material containing polyaniline/carbon black includes steps of: adding a plurality of polyaniline/carbon black composites with core-shell structure into epoxy resin; and dispersing the plurality of polyaniline/carbon black composites with core-shell structure in the epoxy resin to produce the epoxy composite material containing polyaniline/carbon black being applied to conductive coating or microwave absorbing elements.

Abstract: A modified thermally expandable graphite includes a reaction product of an expandable graphite that contains an intercalation compound intercalated among lattice layers of the expandable graphite, and a silicon-containing organic compound that has at least one alkoxyl group and a reactive group subjected to reaction with the intercalation compound. A sol-gel reaction product of the modified thermally expandable graphite and a modified thermosetting polymeric precursor is also disclosed.

Abstract: The present invention relates to a rubber composition containing a diene based elastomer reinforced with rubber reinforcing carbon black and/or silica which contains an antidegradant comprised of N-1,3-dimethylbutyl-N?-phenyl-p-phenylene diamine (6-PPD) together with a dispersion of a methyl isobutyl ketone (MIBK)-adsorbing activated carbon. The invention further relates to a tire having a component thereof containing such rubber composition.

Abstract: A composition having a trisamino triphenyl compound and a layer composition having a trisamino triphenyl compound and a polyamide.

Abstract: Novel additive systems for metallocene based filled cable insulation are disclosed. These systems provide excellent protection against thermal degradation, better cure state and reduced dissipation factor after prolonged heat exposure. The additives may contain one or more hindered amine light stabilizers and amine antioxidants.

Abstract: Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.

Abstract: The present invention relates to a polyamide-based composition used for the manufacture of moulded components exhibiting high resistance to attack by light and/or weathering. The invention more particularly relates to compositions comprising a thermoplastic matrix based on semi-crystalline polyamide, a black pigment and optionally reinforcing fillers. This composition is characterized by the presence of thermally stabilizing additives, in combination with a black pigment comprising at least one black pigment of inorganic origin and with at least additives which decrease the effect of radiation on the degradation of the polymeric matrix. The compositions of the invention exhibit improved stability in their properties under the effect of light and/or weathering, for example similar to that of polyester.

Abstract: Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.

Abstract: A composition is disclosed comprising: (A) a thermoplastic resin; and (B) a stabilizing amount of a blend of at least one sterically hindered phenol antioxidant, at least one aromatic amine and/or N,N′-substituted oxamide antioxidant, and at least one lactone antioxidant having a 3-phenylbenzofuran-2-one structure. A method is also disclosed for stabilizing a thermoplastic resin, wherein the method comprises adding thereto a stabilizing amount of a blend of at least one sterically hindered phenol antioxidant, at least one aromatic amines and/or N,N′-substituted oxamide antioxidant, and at least one lactone antioxidant having a 3-phenylbenzofuran-2-one structure.

Abstract: A fluoropolyether rubber composition comprising (A) a linear fluoropolyether compound containing at least two alkenyl groups and having a perfluoroalkyl ether structure in its backbone, (B) an organosilicon compound having at least two silicon atom-bound hydrogen atoms which all form H—Si(CaH2a)Si structures wherein “a” is 1, 2 or 3, (C) a hydrosilylation catalyst, and (D) an antidegradant, typically an aromatic secondary amine compound is curable into products having heat resistance, chemical resistance, solvent resistance, parting property, water repellency, oil repellency, and weather resistance as well as resistance to acid, alkali and oxidative degradation.

Abstract: This invention relates to rubber compositions comprised of cis-1,4-polyisoprene and a 4,4′-(para or meta-phenylenediisopropylidine) dianiline and to articles of manufacture having at least one component comprised thereof, including tires. The 4,4′-(phenylenediisopropylidine) dianiline acid has been observed to enhance green strength of such rubber composition.

Abstract: The invention relates to a composition of a thermoplastic segmented polyetherester copolymer with a strongly improved thermooxidative stability, consisting of 1) a segmented polyetherester copolymer derived from terephthalic acid or naphthalene dicarboxylic acid, or an ester thereof, alkylene diol, polypropylene oxide glycol, which contains ethylene oxide end groups, and optionally a branching agent; 2) an effective amount of a stabilizer combination containing at least (2a) at least one thermooxidative stabilizer chosen from the group of phenolic antioxidants and (2b) at least one thermooxidative stabilizer chosen from the group of aromatic amines. 3) optionally other additives. The composition is particularly suitable for application at high ambient temperatures and for applications in which the product obtained from the composition must over a long period be able to withstand deformations of at least 50% without fracturing and is in contact with metal.

Abstract: Improved thermal stability and good adhesion to polyurethane foam are provided by polyphenylene ether thermoplastic blends containing a polystyrene and an aromatic amine. Preferred compositions additionally containing tackifier resins are described. These compositions are particularly useful for molding automobile interior parts.

Abstract: Process for using microwave irradiation to prepare solutions of polymers functionalized with acid groups The invention relates to a process for preparing aqueous, hydrous and anhydrous solutions of polymers functionalized with acid groups, which comprises using microwave radiation to supply the heat required to prepare the solution. The solutions are suitable as a starting material for producing gas diffusion electrodes, fuel cells and polymer-electrolyte-stabilized platinum nanoparticles.

Abstract: Flame retardant compositions useful as insulation for 150° C.-rated wire and cable applications are provided. The compositions of the invention utilize an ethylene-alkyl acrylate copolymer base resin with a two-component stabilizer package consisting of a zinc salt of a mercaptobenzimidazole and an aromatic secondary amine compound. Also, included to achieve the requisite flame retardance, crosslinkability and physical properties are a brominated flame retardant, antimony trioxide, a hydrated inorganic filler and a chemical crosslinking agent.

Abstract: A crosslinked material of a polyether copolymer comprising: (A) 1 to 98% by mol of a repeating unit derived from a monomer represented by the formula (I): (B) 95 to 1% by mol of a repeating unit derived from a monomer represented by the formula (II): (C) 0.005 to 15% by mol of a repeating unit derived from a monomer having one epoxy group and at least one reactive functional group; provides a polymer solid electrolyte which is superior in ionic conductivity and also superior in processability, moldability, mechanical strength and flexibility, furthermore thermal resistance.