89results about How to "Resistance to stability" patented technology

A toner containing: a non-crystalline polyester resin; a crystalline polyester resin; a releasing agent; a graft-modified polymer; and a colorant, wherein the graft-modified polymer is a polymer having a glass transition temperature of higher than 40° C. but lower than 80° C., and obtained by grafting an acrylic resin onto at least one of a hydrocarbon wax and a crystalline polyester resin, and wherein a SP value of the non-crystalline polyester resin is defined as SP1, a SP value of the crystalline polyester resin is defined as SP2, a SP value of the releasing agent is defined as SP3, and a SP value of the graft-modified polymer is defined as SP4, and SP1, SP2, SP3 and SP4 satisfy relations represented by Formulas (1) to (3):SP1>SP4>SP2>SP3  Formula (1),0.1<SP1−SP4<1.0  Formula (2), and0.1<SP4−SP2<1.0  Formula (3).

Polycrystalline diamond constructions comprises a diamond body attached to a metallic substrate, and having an engineered metal content. The body comprises bonded together diamond crystals with a metal material disposed interstitially between the crystals. A body working surface has metal content of 2 to 8 percent that increases moving away therefrom. A transition region between the body and substrate includes metal rich and metal depleted regions having controlled metal content that provides improved thermal expansion matching / reduced residual stress. A point in the body adjacent the metal rich zone has a metal content that is at least about 3 percent by weight greater than that at a body / substrate interface. The metal depleted zone metal content increases gradually moving from the body, and has a thickness greater than 1.25 mm. Metal depleted zone metal content changes less about 4 percent per millimeter moving along the substrate.

To provide a toner, which contains: a non-crystalline polyester resin A obtained through a reaction between a non-linear chain reactive precursor and a curing agent, and having a glass transition temperature of −60° C. to 0° C.; a non-crystalline polyester resin B having a glass transition temperature of 40° C. to 70° C.; and a crystalline polyester resin C, wherein the toner has a glass transition temperature Tg1st of 20° C. to 40° C. as measured with first heating in differential scanning calorimetry (DSC).

To provide a toner, containing: a crystalline polyester resin; and a non-crystalline polyester resin, wherein the crystalline polyester resin has a melting point of 60° C. to 80° C., and wherein the toner satisfies the relationship represented by the following formula: (W1−W1′) / W1<0.50, where W1 is a temperature width at a 1 / 3 height of a height of an endothermic peak of the crystalline polyester resin at the time of an initial temperature elevation on a DSC curve of the toner as measured by differential scanning calorimetry, and W1′ is a temperature width at a 1 / 3 height of a height of an endothermic peak of the crystalline polyester resin after the toner has been heated at 50° C. for 24 hours.

Provided is a pneumatic tire having improved driving stability and wear resistance on dry road surfaces as well as an improved running performance on snow. The present invention provides a pneumatic tire designed to be mounted on a vehicle so that a designated side of the tire should face to the outside of the vehicle. The pneumatic tire includes a tread portion provided with: a first main groove extending in a tire circumferential direction; a second main groove extending in the tire circumferential direction in a shoulder region closer to the center of the vehicle than the first main groove; a third main groove extending in the tire circumferential direction in a shoulder region farther from the center of the vehicle than the first main groove; and a plurality of lug grooves each extending from one shoulder side to the other shoulder side. Moreover, in the pneumatic tire, a width of a first land section defined between the first and second main grooves is set greater than a width of a second land section defined between the first and third main grooves, a plurality of inclined grooves are provided in the first land section, each inclined groove communicating with at least three of the lug grooves while being inclined to the tire circumferential direction, and one end of each inclined groove is opened to one of the lug grooves while the other end thereof is terminated within a block.

The present invention provides a toner which contains at least a binder resin, and a colorant, wherein the binder resin contains a polyester resin (A) obtained by polycondensation of an alcohol component with a carboxylic acid component containing one of a purified rosin and a modified rosin, and a polyester resin (B) obtained by polycondensation of a carboxylic acid with an alcohol component containing a specific alkylene oxide adduct of bisphenol A, and wherein when the carboxylic acid component containing a purified rosin is used in the carboxylic acid component for the polyester resin (A), a mass ratio [(B) / (A)] of the polyester resin (B) to the polyester resin (A) is 2 / 8 to 6 / 4.

To provide a toner for developing an electrostatic image, the toner including toner particles, wherein the toner particles contain: a non-crystalline resin A; and a crystalline resin, wherein the crystalline resin contains a crystalline resin C containing a urethane bond, or a urea bond, or both thereof, and wherein the toner particles each have a sea-island structure, where the resin C is dispersed in the non-crystalline resin on a cross-section of the toner particle.

A self-supporting heliothermal flat collector module includes a sheet metal panel; a register-type arrangement of capillary tubes separated from one another for the flow of a fluid medium that lies on the rear side of the sheet metal panel opposite that to be irradiated; and a thermally-insulating insulation core also positioned on the rear side. According to the invention, the capillary tubes of the register-type arrangement are placed into contact with the surface of the thermally-insulating insulation core, and the thermally-insulating insulation core is attached to the sheet metal panel by means of an elastic adhesive layer, whereby the capillary tubes are at least partially embedded into the adhesive layer between the sheet metal panel and the insulation core.

A method for measuring the temperature of a heat pipe includes the steps of: firstly preparing a thermal couple wire formed at one end thereof with a temperature-sensing head, pressing the temperature-sensing head on the surface of the heat pipe to be measured, and a proper amount of a fluid medium is filled between the temperature-sensing head and the surface of the heat pipe. The fluid medium can be water, oil or flowable paste having lower viscosity. Due to the cohesion of the fluid medium, it can fill the gap between the temperature-sensing head and the surface of the heat pipe. As a result, the stability of the thermal contact resistance between the point-contact of the temperature-sensing head and the heat pipe is increased due to the filling of the fluid medium. Also, the contact effect is greatly enhanced to reduce the thermal contact resistance.

The present invention provides a toner having a toner particle that contains a binder resin and an organic silicon polymer, wherein the organic silicon polymer has a specific structure, the proportion of the specific structure to the number of a silicon atom in the organic silicon polymer contained in the toner particle is at least 5.0%, the toner particle contain a polyester resin of from at least 1.0% by mass to less than 80% by mass, and the polyester resin is a specific polymer.

To provide a toner, which contains a first binder resin, and a second binder resin, wherein the first binder resin is a block polymer containing at least a polyester skeleton A having, in a repeating structure thereof, a constitutional unit formed by dehydration condensation of hydroxycarboxylic acid, and a skeleton B that does not have, in a repeating structure thereof, a constitutional unit formed by dehydration condensation of hydroxycarboxylic acid, and the first binder resin has glass transition temperature Tg1 and Tg 2 as measured by differential scanning calorimetry at a heating rate of 5° C. / min, wherein the Tg1 is −20° C. to 20° C., and the Tg2 is 35° C. to 65° C., and wherein the second binder resin is a crystalline resin.

The photocurable and thermosetting resin composition of the present invention includes (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a photopolymerization initiator, (C) a diluent, and (D) a thermosetting component. In the general formula (1), R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.

An image forming apparatus, including: electrostatic latent image bearing member; electrostatic latent image forming unit; developing unit configured to develop with toner to form visible image; transferring unit; fixing unit; and discharging unit, the toner containing binder resin, colorant, and releasing agent, the binder resin containing crystalline resin containing urethane or urea bond, or both, the toner satisfying: C / (C+A)≧0.15, C being integrated intensity of part of spectrum derived from crystalline structure of the binder resin, A being integrated intensity of part of the spectrum derived from non-crystalline structure, the spectrum being diffraction spectrum of the toner as obtained by X-ray diffraction spectroscopy, storage elastic modulus G′(70) of the toner at 70° C. being 5.0×104 Pa≦G′(70)≦1.0×106 Pa, and storage elastic modulus G′(160) thereof at 160° C. being 1.0×103 Pa≦G′(160)≦1.0×104 Pa, and the image forming apparatus satisfying S1−S2>0, S1 and S2 being passing speeds of the recording medium in the fixing unit and the discharging unit, respectively.

To provide a toner (X), which contains toner particles, each toner particle contains: a core phase (Q) containing a crystalline resin (A); and a shell phase (S) provided on a surface of the core phase (Q), where the shell phase (S) contains a crystalline polyurethane resin (B), wherein maximum peak temperature (Ta) of heat of melting of the crystalline resin (A) is 40° C. to 70° C., and maximum peak temperature (Tu) of heat of melting of the crystalline polyurethane resin (B) is 50° C. to 90° C.

An unsaturated polyester compound having an ethylenically unsatureated group in its terminal and hydroxymethyl group in its side chain is obtained by the reaction of (a) a compound containing at least two oxetane rings in its molecule with (b) a compound containing at least two carboxyl groups in its molecule and (c) an unsaturated monocarboxylic acid in the presence of a reaction promotor in such a proportion that the ratio of said compound (b) to said compound (a) falls in the range of 0.1<(b) / (a)<1. BY further reacting (d) a polybasic acid anhydride with the resultant unsaturated polyester compound (A′), there is obtained an actinic energy ray-curable resin which is soluble in an aqueous alkaline solution. A photocurable and / or thermosetting composition is obtained by mixing the unsaturated polyester compound (A′) and / or the actinic energy ray-curable resin with a polymerization initiator (B).

The change in resistance over time of a low-resistance acicular ITO powder is reduced, and the stability of the ITO powder in ambient air is improved. Tin-containing indium hydroxide baked in an atmosphere of an inert gas and reducing gas is processed for a predetermined time under a water-containing atmosphere of inert gas and / or reducing gas at a temperature of 0° C. or greater and 100° C. or less, and is then exposed to air.

A toner, including: a colorant; a binder resin; and a releasing agent, wherein the binder resin includes a polyester resin, and the toner satisfies requirements (1) and (2) below: (1): G′(50)≧3.0×107 Pa and 1.0×105 Pa≦G′(60)≦1.0×107 Pa, where G′(50) is a storage modulus at 50° C. of the toner and G′(60) is a storage modulus at 60° C. of the toner; and (2): a spin-spin relaxation time of the toner at 50° C. measured by solid echo method of pulse NMR is 1.0 ms or shorter.

A magenta toner for electrophotography, including:a polyester resin; anda colorant containing a naphthol-based pigment,wherein the magenta toner for electrophotography satisfies requirements <1> and <2> below:<1> [G′(100)(THF insoluble matter)] is 1.0×105 Pa to 1.0×107 Pa, and a ratio of [G′(40)(THF insoluble matter)] to the [G′(100)(THF insoluble matter)] is 3.5×10 or less, where the [G′(100)(THF insoluble matter)] is a storage modulus at 100° C. of THF insoluble matter of the toner and the [G′(40)(THF insoluble matter)] is a storage modulus at 40° C. of the THF insoluble matter of the toner; and<2> an X-ray diffraction pattern of the naphthol-based pigment in a crystalline state has a plurality of peaks in a range of 0°≦2θ≦35°, and a sum of half value widths of the peaks is 5° to 10°.

A toner containing: a non-crystalline polyester resin; a crystalline polyester resin; a releasing agent; a graft-modified polymer; and a colorant, wherein the graft-modified polymer is a polymer having a glass transition temperature of higher than 40° C. but lower than 80° C., and obtained by grafting an acrylic resin onto at least one of a hydrocarbon wax and a crystalline polyester resin, and wherein a SP value of the non-crystalline polyester resin is defined as SP1, a SP value of the crystalline polyester resin is defined as SP2, a SP value of the releasing agent is defined as SP3, and a SP value of the graft-modified polymer is defined as SP4, and SP1, SP2, SP3 and SP4 satisfy relations represented by Formulas (1) to (3):SP1 > SP4 > SP2 >SP3Formula (1),0.1 < SP1 − SP4 < 1.0Formula (2), and0.1 < SP4 − SP2 < 1.0Formula (3).

The invention relates to the field of valves, in particular to a toilet closestool control valve which comprises a shell, a conveying mechanism, a filtering mechanism, a flow blocking mechanism, a control mechanism, a locking mechanism and a closing mechanism; under the action of the conveying mechanism, an external water source is conveyed into the closestool for water storage, and facilitating subsequent use and washing, and meanwhile, the flow blocking mechanism is mounted, the on-off of the conveying mechanism is favorably controlled, the water source can be conveniently cut off and controlled during subsequent maintenance; the flow of the conveying mechanism is controlled through the control mechanism; the pressure of the water source flowing into the closestool is weakened and controlled; the action of the locking mechanism is beneficial to locking of the control mechanism; waste of the water source caused by long-time outflow of water flow during water seepage of the closestoolis prevented, impurities in the inflow water source are filtered and cleaned under the action of the filtering mechanism, meanwhile, on-off of the conveying mechanism is controlled under the action ofthe closing mechanism, and water flow overflowing and waste are prevented during cleaning.

The present invention provides an oven range. In the present invention, a method for coating an oxidation protective layer for a carbon / carbon composite, comprising: dissolving a polymer resin in a solvent to form a solution of polymer resin; dispersing ceramic powders in the solution of polymer resin to form a mixed solution; coating the mixed solution on a carbon fiber; performing a first heat-treatment to treat the carbon fiber by heat in air; and performing a second heat-treatment to treat the carbon fiber by heat under an inert gas.

Provided is a toner containing a binder resin. The binder resin contains a crystalline resin. The toner has a maximum endothermic peak temperature (P1) of from 50° C. to 80° C. and a total endothermic amount (Q) of from 35 J / g to 90 J / g at a first temperature elevation of differential scanning calorimetry. A ratio (Qp / Q) of a total endothermic amount (Qp) of the toner in a temperature range of from 20° C. to the maximum endothermic peak temperature (P1) to the total endothermic amount (Q) of the toner is from 0.65 to 0.83.

A toner, including: a binder resin; and calcium carbonate, wherein the toner has a molecular weight distribution having a main peak in a range of 1,000 to 10,000, and a half value width of the main peak is 8,000 to 30,000, where the molecular weight distribution is obtained by GPC (gel permeation chromatography) of THF soluble matter of the toner, and wherein the toner contains the calcium carbonate in an amount of 5% by mass to 35% by mass.

A toner, including: a polyester resin, wherein the polyester resin has a structure represented by any one of formulas 1) to 3) below: 1) R1-(NHCONH-R2)n-, 2) R1-(NHCOO-R2)n-, and 3) R1-(OCONH-R2)n-, where n is 3 or more, R1 represents an aromatic organic group or an aliphatic organic group, and R2 represents a group derived from a resin that is polyester formed of polycarboxylic acid, polyol, or both thereof; or that is a modified polyester obtained by modifying polyester with isocyanate.

Provided is a toner including a crystalline polyester resin including a constitutional unit derived from saturated aliphatic dicarboxylic acid and a constitutional unit derived from saturated aliphatic diol, an amorphous hybrid resin, an amorphous polyester resin, a release agent, and a colorant, wherein the crystalline polyester resin includes a constitutional unit derived from sebacic acid as the constitutional unit derived from the saturated aliphatic dicarboxylic acid, and the amorphous hybrid resin is a composite resin including a polyester-based resin unit and a styrene-based resin unit.