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51results about How to "Low-temperature property" patented technology
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Toner and developer for electrostatic development, production thereof, image forming process and apparatus using the same
ActiveUS20050042534A1Excellent low temperature fixabilitySatisfactory low-temperature image-fixing propertyDevelopersPolymer scienceOrganic solvent
A toner is prepared by dissolving and / or dispersing a modified polyester resin in an organic solvent to yield a solution or dispersion, the modified polyester resin being reactive with a compound having an active hydrogen group, mixing the solution or dispersion with an aqueous medium containing resin particles, and subjecting the modified polyester resin to crosslinking and / or elongation in the aqueous medium. The binder resin further includes a crystalline polyester resin in addition to the modified polyester resin.
Owner:RICOH KK
Toner, image forming apparatus, image forming method, and process cartridge using the toner
ActiveUS20080280219A1High quality imagingDecrease in image densityDevelopersElectrographic processes using charge patternImage formationCarboxylic acid
The present invention provides a toner containing at least a binder resin, a releasing agent, and a colorant, wherein the binder resin contains at least a polyester resin (A) having a softening point Tm(A) of 120° C. to 160° C., a polyester resin (B) having a softening point Tm(B) of 80° C. or more and less than 120° C. and a composite resin (C) containing a condensation polymerization monomer and an addition polymerization monomer, at least any one of the polyester resins (A) and (B) is a polyester resin prepared by condensation-polymerizing an alcohol component substantially composed of only aliphatic alcohol with a carboxylic acid component, and 65% or more of the alcohol component is 1,2-propanediol.
Owner:RICOH KK
Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition
InactiveUS7022766B2Improve low temperature performanceImprove balanceLiquid carbonaceous fuelsAdditivesPolymer scienceChemical composition
The present invention provides an olefin block copolymer for a viscosity index improver capable of preparing a lubricating oil composition having excellent low temperature properties and excellent balance between viscosity and shear stability, a viscosity index improver and a lubricating oil composition comprising the viscosity index improver.The olefin block copolymer has a Mw / Mn of not more than 1.5, and comprises:(i) a polymer block comprising ethylene and an α-olefin of 3 to 20 carbon atoms, having a molar ratio (ethylene / α-olefin) of ethylene units to α-olefin units of from 20 / 80 to 65 / 35, a Mw of 50,000 to 2,000,000, and having a slope of an intramolecular composition distribution of absolute value of 0.1 to 0, and(ii) a polymer block comprising ethylene and an α-olefin of 3 to 20 carbon atoms, having a molar ratio (ethylene / α-olefin) of ethylene units to α-olefin units of from 70 / 30 to 85 / 15, a Mw of 10,000 to 400,000, and having a slope of an intramolecular composition distribution of absolute value of 0.1 to 0.
Owner:MITSUI CHEM INC
Synthetic transportation fuel and method for its production
InactiveUS20050165261A1Improve the lubrication effectLow temperature propertyHydrocarbon from carbon oxidesOrganic compound preparationSulfurOxygenate
A transportation fuel or blending stock for a transportation fuel which contains substantially no FT oxygenates and no sulfur is provided. An economical method of producing a transportation fuel or blending stock which eliminates oxygenates and which does not cause any significant yield loss is also provided.
Owner:SYNTROLEUM
Toner and manufacturing method of toner
InactiveUS20100151377A1Low-temperature intensityLow-temperature propertyDevelopersPolyester resinA domain
Disclosed is a toner, comprising: a noncrystalline polyester resin; a crystalline polyester resin; a release agent; and a coloring agent, wherein the toner has a domain matrix structure in which the matrix comprises the noncrystalline polyester resin and the domain comprises the crystalline polyester resin and the release agent, and wherein the crystalline polyester resin includes within the release agent.
Owner:KONICA MINOLTA BUSINESS TECH INC
Image forming apparatus, image forming method and process cartridge
ActiveUS20070281236A1Quality improvementLow densityDevelopersElectrographic process apparatusPolyesterMeth-
To provide an image forming apparatus including a latent electrostatic image bearing member; a charging unit; an exposing unit; a developing unit; a transferring unit; and a fixing unit, wherein the binder resin of a toner comprises a polyester-based resin (A) and a polyester-based resin (B) having a melting point which is at least 10° C. higher than that of the polyester-based resin (A), the polyester-based resins (A) is a resin which is derived from a (meth)acrylic acid-modified rosin and which has a polyester unit obtained by condensation polymerization of an alcohol component and a carboxylic acid component containing a (meth)acrylic acid-modified rosin, and the polyester-based resin (B) is a resin derived from a fumaric acid / maleic acid-modified rosin and has a polyester unit obtained by condensation polymerization of an alcohol component and a carboxylic acid component containing any one of a fumaric acid-modified rosin and a maleic acid-modified rosin.
Owner:RICOH KK
Renewable fuel composition and method of using the same
ActiveUS20130333652A1Low property valueLow temperature propertyNon-fuel substance addition to fuelBiofuelsAlternative fuelsOrganic chemistry
Disclosed is an alternative fuel composition derived from the conversion of biomass at an elevated temperature, with conversion optionally in the presence of a catalyst, which is capable of reducing, and thereby improving, a low temperature property of a distillate. A process is also disclosed for mixing such renewable composition with the distillate.
Owner:MARD INC
Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
ActiveUS20080090165A1Excellent low temperature fixabilityMaintaining heat-resistant storage propertyDevelopersCross-linkAcetic acid
To provide a toner containing an ethyl acetate-soluble polyester component and an ethyl acetate-insoluble polyester component, wherein the toner is granulated in an aqueous medium, the ethyl acetate-insoluble polyester component is obtained by elongating and / or cross-linking a modified polyester resin during granulating and / or after granulating, the modified polyester resin is produced by condensation polymerization of an acid component and at least one type of diol compound selected from aliphatic diol and alicyclic diol in the presence of a catalyst, and the mass average molecular weight of the modified polyester resin is 10,000 to 100,000.
Owner:RICOH KK
Low-contaminating adhesive composition
InactiveUS20050090602A1Minimizing outgassingLow moisture permeabilitySurface-active detergent compositionsFibre treatmentEpoxyHydrogen
In an adhesive composition comprising (A) a linear perfluoropolyether compound containing at least two alkenyl groups, (B) a fluorinated organohydrogensiloxane containing at least two silicon-bonded hydrogen atoms, (C) a platinum catalyst, and (D) an organosiloxane containing at least one silicon-bonded hydrogen atom and at least one epoxy and / or trialkoxysilyl group, the weight loss of components (A), (B) and (D) are controlled. The composition yields minimized outgassing during heat curing, adheres firmly to various types of substrates including metals and plastics, and cure into products having many advantages.
Owner:SHIN ETSU CHEM IND CO LTD
Wax isomerate yield enhancement by oxygenate pretreatment of feed
ActiveUS7087152B2High viscosityHigh yieldMolecular sieve catalystsCatalyst activation/preparationWaxBiological activation
A waxy hydrocarbon feed is catalytically dewaxed with a catalyst that has been selectively activated. The selective activation of the catalyst involves contacting the dewaxing catalyst with a feed mixture containing waxy hydrocarbon and at least one oxygenate. The process results in improved catalyst performance resulting in improved yield of isomerate at equivalent pour.
Owner:EXXON RES & ENG CO
Electrostatic latent-image developing toner
An electrostatic latent-image developing toner comprising:a core particle and a shell layer formed on an outer portion thereof,wherein the shell layer comprises a crystalline polyester resin having a softening point from 60 to 120° C. at 70 to 100% by weight of the entire shell-layer constituent resin, and an image-forming method using the toner.
Owner:KONICA MINOLTA BUSINESS TECH INC
Toner
A toner having a toner particle including a binder resin, wherein the binder resin includes a styrene acrylic resin and a vinyl-modified crystalline polyester resin, the vinyl-modified crystalline polyester resin has a crystalline polyester segment having structures of following i) or a structure of following ii),i) at least two structures selected from the group consisting of a structure derived from an aliphatic dicarboxylic acid, a structure derived from an aliphatic diol and a structure derived from an aliphatic hydroxycarboxylic acid;ii) a structure derived from an aliphatic hydroxycarboxylic acid; andthe vinyl-modified crystalline polyester resin has a specific modification rate.
Owner:CANON KK
Image forming apparatus, image forming method and process cartridge
ActiveUS7713672B2Low densityHigh quality imagingElectrographic process apparatusDevelopersPolyesterMeth-
Owner:RICOH KK
Humidifier and fuel cell system
ActiveUS20100151337A1Damage suppressionAvoid damageSemi-permeable membranesLighting and heating apparatusFuel cellsChemistry
This specification discloses a humidifier that attains the inhibition of the damaging of a steam permeable membrane at low temperatures, and a fuel cell system. The humidifier has a steam permeable membrane therein. In the humidifier, an oxidizing gas and an oxidizing off gas with a humidity higher than that of the oxidizing gas are introduced, and the oxidizing gas is humidified by the oxidizing off gas via the steam permeable membrane. The steam permeable membrane is located at a position lower than an inlet for the oxidizing gas but higher than an outlet therefor. Further, the steam permeable membrane is located at a position lower than an inlet for the oxidizing off gas but higher than an outlet therefor.
Owner:TOYOTA JIDOSHA KK
Toner, developer and image forming apparatus
InactiveUS20130260298A1Low-temperature heatLow-temperature propertyDevelopersElectrographic process apparatusInorganic saltsOrganic sulfonic acid
A toner including: a binder resin; and a colorant, wherein the toner is obtained by dispersing or emulsifying an oil phase in an aqueous solvent containing an organic sulfonic acid salt and an inorganic salt, the oil phase including the binder resin and the colorant dissolved or dispersed in an organic solvent, wherein the binder resin comprises a crystalline resin in an amount of 50% by mass or more relative to the binder resin, and wherein the toner has an average circularity of 0.980 or less.
Owner:RICOH KK
Puncture sealant
The present invention provides a tire puncture sealant including a rubber latex and 1,3-propanediol, which has a reduced viscosity at low temperatures, has better injectability at low temperatures, and is also excellent in storage stability, initial sealing performance, and seal retention performance.
Owner:SUMITOMO RUBBER IND LTD
Monoester-based lubricants and methods of making same
ActiveUS20140142013A1Superior oxidative and hydrolytic stabilityLow temperature propertyOrganic compound preparationAdditivesAlcoholFatty acid
The present invention is generally directed to monoester-based lubricant compositions. The present invention is also directed to methods of making these and other similar lubricant compositions. In some embodiments, the methods for making such monoester-based lubricants utilize a biomass precursor and / or low value Fischer-Tropsch (FT) olefins and / or alcohols so as to produce high value monoester-based lubricants. In some embodiments, such monoester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation.
Owner:CHEVROU USA INC
Toner binder and toner composition
ActiveUS20130273469A1Low-temperature propertyLow-temperature resistanceDevelopersDicarboxylic acidCarboxylic acid
Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner binder comprises (A) a polyester resin, (B) a specific crystalline resin and, if necessary, (C) a non-crystalline linear polyester resin. The polyester resin (A) comprises a carboxylic acid component (x) and a polyol component (y) as the essential constituent units, said component (x) comprising two or more kinds of dicarboxylic acids (x1) selected from among aromatic dicarboxylic acids and ester-forming derivatives thereof in a total amount of 80 mol % or more and further containing an at least trivalent polycarboxylic acid (x2) as another essential component, and said component (y) comprising a C2-10 aliphatic diol (y1) in an amount of 50 mol % or more. Further, the polyester resin (A) exhibits a storage modulus at 150° C. [G′(150)] of 2000 Pa or more, and the [G′(150)] and [G′(180)] (storage modulus at 180° C.) of the resin (A) satisfy a specific relationship.
Owner:SANYO CHEM IND LTD
Polyol Ester Plasticizers and Process of Making the Same
InactiveUS20110021680A1Efficiency benefitLow toxicityOrganic compound preparationCarboxylic acid esters preparationCarbon numberGlycerol
Triglyceride and other polyol ester PVC plasticizers can be produced by recovery of branched C6 to C9 aldehydes from a hydroformylation product, optional hydrogenation to the alcohol, oxidation to the acid with oxygen and / or air, recovery of the resulting acid, and esterification with glycerol, ethylene glycol, propylene glycol or mixtures thereof. The branched alkyl chains comprise at least 10% methyl branching. Special triglycerides are derived from branched aliphatic acids having alkyl chains with average carbon numbers from 6 to 9 and at least 10% methyl branching. These triglycerides are fast fusing plasticisers if before esterification with glycerol, an aryl acid is introduced together with the aliphatic acids.
Owner:EXXONMOBIL CHEM PAT INC
Method of manufacturing toner and toner
InactiveUS20070196754A1Excellent image reproducibilityDifficulty is causedDevelopersSlurryCoarse particle
In a method of manufacturing a toner in which toner particles are obtained by mixing resin particles and at least a colorant with each other to be coagulated, and heating an obtained coagulated product, binder resin is granulated into fine particles by a granulating method including a coarse particle preparing step, a slurry preparing step, a pulverizing step, a cooling step, and a depressurizing step. Slurry containing coarse particles of binder resin obtained by way of the coarse particle preparing step and the slurry preparing step is made to pass under heat and pressure through a pressure-resistant nozzle whereby the coarse particles of binder resin are pulverized into resin particles. By providing the cooling step and the depressurizing step immediately after the pulverizing step, the resin particles are prevented from coarsening.
Owner:SHARP KK
Electrophotographic toner
ActiveUS20120021350A1Improving initial rise in triboelectric chargingMaintaining low-temperature fixing abilitySpecial tyresDevelopersHydrogen atomAlcohol
A polyester resin for a toner, obtained by polycondensing a carboxylic acid component and an alcohol component, wherein the carboxylic acid component and / or the alcohol component contains an aromatic compound represented by the formula (Ia):wherein R1a is a hydrogen atom, a hydroxyl group, or a methoxy group; and Xa is a hydrogen atom, an aldehyde group, an allyl group, a vinyl group, a methoxy group, or a hydroxyl group or carboxyl group which may have a linking group. The toner for electrophotography containing a polyester resin for a toner of the present invention is suitably used for a resin binder of a toner used in developing and the like of latent images formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Owner:KAO CORP
Optical glass, press-molding preform and optical element
InactiveUS20040127343A1Low-temperature propertyGood weather resistanceOptical elementsRefractive indexOptical glass
An optical glass having a refractive index (nd) of 1.57 to 1.67, an Abbe's number (.nu.d) of 55 to 65 and a glass transition temperature (Tg) of 560.degree. C. or lower and having a low-temperature softening property and excellent climate resistance or a haze value of 3% or less, or an optical glass comprising, by mol %, 22 to 40% of B.sub.2O.sub.3, 12 to 40% of SiO.sub.2, 2 to 20% of Li.sub.2O, 5 to 15% of CaO, 2 to 14% of ZnO, 0.5 to 4% of La.sub.2O.sub.3, 0 to 3% of Gd.sub.2O.sub.3, 0 to 3% of Y.sub.2O.sub.3, the total content of La.sub.2O.sub.3, Gd.sub.2O.sub.3 and Y.sub.2O.sub.3 being at least 1%, 0 to 5% of Al.sub.2O.sub.3, 0 to 3% of ZrO.sub.2 and 0 to 5% of BaO, the total content of the above components being more than 96%, and having a refractive index (nd) of 1.57 to 1.67 and an Abbe's number (.nu.d) of 55 to 65.
Owner:HOYA CORP +1
Toner, method for forming a full-color image, and process cartridge
InactiveUS7090951B2Reduce generationSuperior OHP transparencyPhotosensitive materialsDevelopersWaxEngineering
There is disclosed a toner which comprises at least a binder resin, a coloring agent, and a wax and in which a deformation amount of the toner (R200) at the time of application of a load of 200 g at a temperature of 120° C. is 45% to 75% and in which a deformation amount of the toner (R500) at the time of application of a load of 500 g at a temperature of 120° C. is 65% to 85% and in which there is at least one endothermic peak or shoulder in a range at 60 to 120° C. in a DSC curve at the time of temperature rise measured by a differential scanning calorimeter (DSC). By the toner, an offset can be inhibited from being generated in heating / pressurizing / fixing in which an oil for preventing a high-temperature offset is not used or a use amount of the oil is reduced, and an OHP fixed image superior in transparency can be obtained.
Owner:CANON KK
Resin composition for toner, toner, developer and image forming apparatus
InactiveUS20150153671A1Good Pigment DispersionExcellent low temperature fixabilityDevelopersAcetic acidTransmittance
A resin composition for a toner including a polyester resin and a colorant, wherein the polyester resin has A(10)-A(180) of 70 or greater, where A(10) (%) is a transmittance of light having a wavelength of 500 nm through a mixture of 20 parts by mass of the polyester resin added to 80 parts by mass of ethyl acetate and stirred at 25° C. for 10 minutes, and A(180) (%) is the transmittance after the mixture is left to stand for 3 hours.
Owner:RICOH KK
Polyol Ester Plasticizers and Process of Making the Same
InactiveUS20140228494A1Suitable melting and pour pointImprove compatibilityOrganic compound preparationCarboxylic acid esters preparationCarbon numberPolyolester
Owner:EXXONMOBIL CHEM PAT INC
Monoester-based lubricants and methods of making same
InactiveUS9115326B2Superior oxidative and hydrolytic stabilityLow temperature propertyOrganic chemistryAdditivesCarbon numberAlcohol
Disclosed herein are monoester-based lubricant compositions and methods of making these monoester-based lubricant compositions. The monoester lubricant compositions comprise an isomeric mixture of at least one monoester species having a carbon number ranging from C8 to C40. In some embodiments, the methods for making the monoester-based lubricants utilize a biomass precursor and / or low value Fischer-Tropsch (FT) olefins and / or alcohols to produce high value monoester-based lubricants. In some embodiments, the monoester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation.
Owner:CHEVROU USA INC
Thermosetting resin having benzoxazine structure and method for producing the same
InactiveUS8349992B2Improve heat resistanceSatisfactory electrical propertyOrganic chemistryPolystyreneDiol
Owner:SEKISUI CHEM CO LTD
Chloroprene rubber, chloroprene rubber composition, vulcanizate thereof, and formed body
ActiveUS20140058055A1Low-temperature propertyLow compression setThin material handlingPolymer scienceEmulsion polymerization
Provided are a chloroprene rubber, a chloroprene rubber composition and the vulcanizate and formed body thereof superior in low-temperature properties.A chloroprene rubber is obtained by emulsion polymerization of raw monomers 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, 2,3-dichlorobuta-1,3-diene in an amount of 2.0 mass % or more, and the rest being chloroprene. A composition containing the chloroprene is vulcanized into a formed body.
Owner:DENKA CO LTD
Toner, image forming apparatus, image forming method, and process cartridge using the toner
ActiveUS8114560B2Low-temperature propertyHigh quality imagingDevelopersElectrographic processes using charge patternResin-Based CompositeCarboxylic acid
The present invention provides a toner containing at least a binder resin, a releasing agent, and a colorant, wherein the binder resin contains at least a polyester resin (A) having a softening point Tm (A) of 120° C. to 160° C., a polyester resin (B) having a softening point Tm (B) of 80° C. or more and less than 120° C. and a composite resin (C) containing a condensation polymerization monomer and an addition polymerization monomer, at least any one of the polyester resins (A) and (B) is a polyester resin prepared by condensation-polymerizing an alcohol component substantially composed of only aliphatic alcohol with a carboxylic acid component, and 65% or more of the alcohol component is 1,2-propanediol.
Owner:RICOH KK
Polycarbonate resin composition for vehicle exterior
InactiveUS20150018477A1High glossy black feelingGood dimensional stabilityDyeing processPolystyrenePolycarbonate
A polycarbonate resin composition for a vehicle exterior may include a polycarbonate resin, a silicone polycarbonate, and a syndiotactic polystyrene. The polycarbonate resin may be 45˜85% by weight, the silicone polycarbonate may 10˜50% by weight, and the syndiotactic polystyrene may be greater than 2% by weight and less than 7% by weight, with respect to a total weight of the composition. The polycarbonate resin composition may further include other additives such as a black pigment. The polycarbonate resin composition provides improved physical and / or chemical properties.
Owner:HYUNDAI MOTOR CO LTD +1
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