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488results about How to "Improve migration resistance" patented technology
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Integrated circuit device and method of producing the same
InactiveUS7084507B2Good resistanceImprove reliabilitySemiconductor/solid-state device detailsNanoinformaticsElectric fieldCarbon nanotube
An integrated circuit device having vias having good resistance to migration causing the breaking of a wiring line, or an integrated circuit device having a wiring structure that is fined by breaking the limit of lithography technique is provided. The former device comprises a plurality of elements fabricated on a semiconductor substrate, wiring lines for making the elements and the integrated circuit device function, and vias for interconnecting wiring lines in separate layers, the via being formed of one or more cylindrical structures made up of carbon atoms. The latter device comprises a plurality of elements fabricated on a semiconductor substrate and wiring members for making the elements and the integrated circuit device function, at least part of the wiring members being formed of one or more cylindrical structures made up of carbon atoms. The latter device is preferably manufactured by a method comprising using a CVD process for the formation of the cylindrical structures, while applying a direct current electric field so as to grow the cylindrical structures in one direction, or applying an alternating current electric field so as to grow the cylindrical structures in two directions. A semiconductor device using a carbon nanotube and a method of forming a pattern using a carbon nanotube as a mask are also disclosed.
Owner:FUJITSU LTD
Expansion type flame-retardant coatings glue and use thereof in textile finishing
ActiveCN101498100AImprove washing resistanceResistance to Mechanical ImprovementVegetal fibresCross-linkPolymer science
The invention discloses an intumescent flame retardant coating gum and the application thereof on fabric finishing. When the traditional intumescent flame retardant is applied to fabric, the fabric is not resistant to water rinse, water immersion or transfer, the flame retardant can lose or degrade under the action of luminous rays, heat, moisture and mechanical external force, and the flame retardant properties are reduced. The intumescent flame retardant coating gum comprises a flame retardant coating base gum and a carbon source, and is characterized in that the flame retardant coating base gum is prepared by mixing ammonium polyphosphate, melamine and 4A zeolite, adding organic alcohol, coating the mixture by more than two silane coupling agents for modification, drying the mixture after removing the organic alcohol to obtain a composite flame retardant, adding water, a non-ionic surface active agent, a binding agent and a cross-linking agent to the composite flame retardant, and grinding and dispersing the mixture; the carbon source is aqueous polyacrylic ester containing hydroxyl groups or aqueous polyurethane containing hydroxyl groups or a modifier of the former two. The invention obviously improves the performance of the flame retardant coating gum on flame retardant fabric for resistance to water rinse, transfer, light, heat and friction.
Owner:传化智联股份有限公司 +2
Flexographic printing water-based ink for food packaging
The invention relates to a flexographic printing water-based ink for food packaging, which comprises an acrylic resin binder, an addition agent, a colorant and deionized water. The flexographic printing water-based ink is good in moving resistance after solidified crosslinking is adopted and is prepared by premixing, sanding and dispersing water-based polyacrylic acid resin having no toxic effect on the human body, food-grade colorants, addition agents and the like according to a fixed proportion. The obtained ink utilizes flexographic printing to form pictures, and after high-temperature drying treatment is performed to a sample, the ink is high in adhesion, resists hot water of 80 DEG C and has a certain acidproof and alkaliproof performance. The water-based ink can replace traditional solvent ink, is applied to various plastics and paper printing, and is particularly used for the printing surface (such as the surface of a paper plate) directly contacted with food or the printing surface of a toy possibly closely contacted with sense organs of infants, thereby greatly improving safety performance.
Owner:银川市富邦印刷包装有限公司
Integrated circuit device and method of producing the same
InactiveUS20060226551A1Improve migration resistanceImprove reliabilitySemiconductor/solid-state device detailsNanoinformaticsLithographic artistDevice material
Owner:FUJITSU LTD
Anisotropic conductive adhesive and method for manufacturing same, light-emitting device and method for manufacturing same
InactiveUS20150034989A1Inhibition of adsorptionEfficiently take out lightConductive materialVacuum evaporation coatingAnisotropic conductive adhesiveMetal alloy
an anisotropic conductive adhesive which uses conductive particles where a silver-based metal is used as a conductive layer, having high light reflectance and excellent migration resistance is provided. The anisotropic conductive adhesive includes light reflective conductive particles in an insulating adhesive resin. The light reflective conductive particle includes a light reflective metal layer made of a metal alloy including silver, gold and hafnium formed on the surface of a resin particle as a core by sputtering method. The light reflective metal layer is preferably formed having a composition ratio of a silver of at least 50% by weight to at most 80% by weight: a gold of at least 10% by weight to at most 45%: a hafnium of at least 10% by weight to at most 40% by weight, and a total ratio does not exceed 100% by weight.
Owner:DEXERIALS CORP
PVC (Polyvinyl Chloride) sealing strip and application thereof
ActiveCN103923412AImprove migration resistanceImprove heat resistanceDomestic cooling apparatusLighting and heating apparatusPolyesterElastomer
The invention discloses a PVC (Polyvinyl Chloride) sealing strip and an application thereof. The PVC sealing strip comprises 40-50 parts of PVC resin, 25-50 parts of plasticizer, 2-10 parts of elastomer, 2-5 parts of stabilizer, 15-25 parts of filler and 1-3 parts of lubricant, wherein the plasticizer is at least one of a diisononyl adipate plasticizer, a trioctyl trimellitate plasticizer, an epoxidized soybean oil plasticizer and a polyester plasticizer. The PVC sealing strip provided by the inveniton has high migration resistance, heat resistance, cold resistance and environmental friendliness performance.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD +1
Bicyclic phosphate-based triazine derivative flame retardant and preparation method thereof
ActiveCN101921599AHigh molecular weightImprove thermal stabilityGroup 5/15 element organic compoundsPhosphateTriazine derivative
The invention discloses a bicyclic phosphate-based triazine derivative flame retardant and a preparation method thereof. The flame retardant is prepared by the condensation polymerization of cyanuric chloride and 1-oxide-4-hydroxymethyl-2,6,7-trioxa-1-phosphabicyclo [2,2,2] octane. The preparation method has the advantages of easy acquisition of raw materials and simple operation. The prepared flame retardant contains a carbon source, an acid source and a foaming source, greatly exerts the advantages of the PEPA and the triazine structure in flame retardant applications, is favorable for exerting the synergistic flame retardant action of nitrogen and phosphorus, and can effectively improve the defects of the traditional compound flame retardant. The bicyclic phosphate-based triazine derivative flame retardant has large molecular weight, has the advantages of high heat stability, good migration resistance and the like, and can be used as a single intumescent flame retardant (IFR) or can be compounded with other components to form an IFR system to be applied to material flame retardant modification.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Adhesive sheet
InactiveUS20080113184A1Improve adhesionExcellent anti-migration propertyLayered productsPolyureas/polyurethane adhesivesEpoxyPolyester resin
An adhesive sheet including a releasable base material, and an adhesive layer formed on one surface of the base material is provided. The adhesive layer includes an adhesive composition including (A) 100 parts by mass of a carboxyl group-containing urethane-modified polyester resin, (B) an epoxy resin, (C) a curing agent, and (D) an inorganic filler, and has a thickness within a range from 40 to 100 μm. The adhesive sheet has a high degree of adhesiveness and excellent anti-migration properties, and is also effective as an interlayer insulating material.
Owner:SHIN ETSU CHEM IND CO LTD
Display device
ActiveUS8482189B2Increase stickinessImprove migration resistanceDischarge tube luminescnet screensSemiconductor/solid-state device detailsMetallurgyDisplay device
A display device is provided with a Cu alloy film having high adhesiveness to a transparent substrate and a low electrical resistivity. The Cu alloy film for the display device is directly brought into contact with the transparent substrate, and the Cu alloy film has the multilayer structure, which includes a first layer (Y) composed of a Cu alloy containing, in total, 2-20 atm % of at least one element selected from among a group composed of Zn, Ni, Ti, Al, Mg, Ca, W, Nb, and Mn, and a second layer (X) which is composed of pure Cu or substantially a Cu alloy having Cu as the main component and has an electrical resistivity lower than that of the first layer (Y). The first layer (Y) is brought into contact with the transparent substrate.
Owner:KOBE STEEL LTD
Thermoplastic elastomer (TPE) and modified PP (Polypropylene) co-extruded refrigerator magnetic door seal strip and manufacturing method thereof
InactiveCN102778101AImprove sealingImprove migration resistanceDomestic cooling apparatusLighting and heating apparatusThermoplastic elastomerEngineering
The invention relates to a thermoplastic elastomer (TPE) and modified PP (Polypropylene) co-extruded refrigerator magnetic door seal strip and a manufacturing method thereof. The TPE and modified PP co-extruded refrigerator magnetic door seal strip consists of a fixed substrate part constituted by TPE and a sealing part constituted by modified hard PP, wherein the fixed substrate part and the sealing part form the magnetic door seal strip through co-extrusion thermal fusion; the fixed substrate part consists of a substrate and an assembly plug pin; the sealing part is provided with an air bag and a magnetic strip bag; and the magnetic strip bag is provided with a magnetic strip. The TPE and modified PP co-extruded refrigerator magnetic door seal strip is a soft and hard co-extruded magnetic door seal strip consisting of the TPE material serving as a sealing strip part and a substrate hard PP material capable of fixing the door seal strip, and can be suitable for magnetic door seal strips for all refrigerators; the sealing part of the door seal strip is made of the TPE material; and thus, the requirement of environmental protection is met, and the low-temperature performance, the resilience performance and the mechanical performance are extremely superior.
Owner:GUANGDONG SHUNDE ANHE MAGNETIC PROD
Preparation method for transference resistance leather dye
InactiveCN102746714ADye performance is stableExcellent migration resistanceOrganic dyesDyeing processIsocyanate compoundDyeing
The present invention discloses a preparation method for a transference resistance leather dye, wherein an active group-containing dye, an anti-yellowing isocyanate compound, a hydroxyl group-containing polymer, a compound containing a hydroxyl group and a hydrophilic functional group, a chain extender, and the like are subjected to polymerization to obtain a product of the present invention. The dye prepared by the method of the present invention has the following advantages that: performance is stable, and transference resistance of products dyed by the dye is excellent. The method of the present invention has advantages of simple synthetic route, molecular weight adjusting, easy functionality control, and the like. The dye prepared by the method of the present invention can be used for leather dyeing, and colorant components in leather coating and synthetic leather coating.
Owner:CHINA LEATHER & FOOTWEAR IND RES INST
Graphene-based antioxidant and preparation method and application thereof
InactiveCN106867031AImprove thermal stabilityImprove structural stabilityOxidation resistantStructural formula
The invention relates to a graphene-based antioxidant and a preparation method thereof. A general structural formula of a graphene-based antioxidant is: in the formula, it is graphene oxide; R is wherein, R1, R2, R3 and R4 are alkyl groups. The preparation method of the above-mentioned graphene-based antioxidant comprises the following steps: using a mercapto coupling agent to modify the surface of graphene oxide to obtain modified graphene oxide; modifying graphene oxide, bisphenol monoacrylate compound and The catalyst is added in an organic solvent to react to obtain a graphene-based antioxidant. The above-mentioned graphene-based antioxidant has hindered phenol antioxidant groups and thioether groups that have synergistic antioxidant effects with hindered phenols, and graphene has unique antioxidant functions and gas barrier properties, so it has good anti-oxidation properties. Oxidation performance; and graphene oxide has good thermal stability, structural stability and migration resistance, thereby improving the thermal stability, migration resistance and extraction resistance of graphene-based antioxidants.
Owner:DONGGUAN UNIV OF TECH
Composition with makeup maintaining and oil controlling effects and cosmetic
The invention discloses a composition with makeup maintaining and oil controlling effects and a cosmetic. The composition can effectively improve the migration resistance of foundation products, directionally absorb, flocculate and solidify sebum, has a good oil controlling effect, can effectively reduce the influence of sebum secreted by skin on makeup, and enables the skin to keep natural and lasting makeup. The composition with the makeup maintaining and oil controlling effects is prepared from, by weight, 0.8-2.5 parts of polydimethylsiloxane and polyol copolymer, 4-11 parts of film forming agent, 1-8 parts of functional powder and 14-33 parts of volatile silicone oil, wherein the functional powder is a mixture of synthetic fluorophlogopite, hydroxyapatite and zinc oxide; and the filmforming agent is a combination of polymethylsilsesquioxane and trimethylsiloxysilicate. The invention belongs to the technical field of cosmetics.
Owner:GUANGDONG BAWEI BIOLOGICAL TECH CO LTD
Macromolecule hindered phenol antioxidant, preparation method of macromolecule hindered phenol antioxidant, and application of macromolecule hindered phenol antioxidant
InactiveCN103130978AExcellent thermal and oxidative aging resistanceImprove performanceThiolDouble bond
The invention discloses a macromolecule hindered phenol antioxidant, a preparation method of the macromolecule hindered phenol antioxidant, and application of the macromolecule hindered phenol antioxidant. Under the action of thermal initiators, a sulfydryl-alkene click reaction is generated between sulfydryl in functional mercaptan and double bonds in hydroxyl-terminated polybutadiene under the temperatures of 50-70 DEG C to prepare sulfur-containing polyhydroxy polybutadiene; then under the temperatures of 30-50 DEG C, hydroxy in the sulfur-containing polyhydroxy polybutadiene reacts with secondary-position isocyanato in isophorone diisocyanate to obtain additive products secondary-position isocyanato-containing isocyanato; and then under the temperatures of 60-80 DEG C, the additive products react with bisphenols antioxidant to prepare the macromolecule hindered phenol antioxidant. The macromolecule hindered phenol antioxidant is good in thermo-oxidative aging performance, high in efficiency, and good in anti-extraction performance, and can be widely used in anti-aging of materials such as rubber and plastic.
Owner:SOUTH CHINA UNIV OF TECH
Phosphorus-containing macromolecule intumescent flame retardant char forming agent as well as preparation method thereof and intumescent flame retardant formed by char forming agent
ActiveCN103333493AImproved water resistance and migration resistanceReduce moisture absorptionGroup 5/15 element organic compoundsFire retardantAniline
The invention discloses a phosphorus-containing macromolecule intumescent flame retardant char forming agent. The structural general formula of the phosphorus-containing macromolecule intumescent flame retardant char forming agent is as shown in descriptions, wherein in the formula, X is -NH-R-NH-, Y is -NH-R1-OH or -NH-R1-NH2, Z is phenyl, phenoxy, methoxy or anilino group, m is in the range from 1-25, n is the range from 1-25, and m+2 is greater than or equal to 2. The invention discloses a preparation method of the phosphorus-containing macromolecule intumescent flame retardant char forming agent and an intumescent flame retardant formed by the char forming agent, an acid source and a flame retardant synergist. The char forming agent provided by the invention has good heat stability and char forming property as well as excellent water resistance and mobility resistance in a polymer system; the preparation method of the char forming agent is simple and practicable, easy to control and convenient for the realization of industrial production.
Owner:SICHUAN UNIV
Conductive adhesive composition and conductive adhesive membrane
InactiveCN103923585AHigh bonding strengthImprove heat resistanceFilm/foil adhesivesAldehyde/ketone condensation polymer adhesivesEpoxyElastomer
The invention provides a conductive adhesive composition. The conductive adhesive composition comprises the following components: A, 15-55 parts by weight of polyamide elastomer; B, 15-55 parts by weight of acrylic acid elastomer; C, 30-70 parts by weight of epoxy resin and / or phenolic resin; D, 0.001-1 part by weight of curing accelerator; E, 30-100 parts by weight of conductive particles, wherein the total weight of A, B and C is 100 parts by weight. The invention also provides a conductive adhesive membrane. By adopting two special thermoplastic elastomers, epoxy resin and / or phenolic resin and conductive particles in a special structure, the conductive adhesive and the conductive adhesive membrane which have good bonding strength, heat resistance, conductivity, mobility resistance and operability can be obtained.
Owner:新纶电子材料(常州)有限公司
Liquid resin composition for electronic component and electronic component device
ActiveCN101851388AImprove migration resistanceInhibition of mobilitySemiconductor/solid-state device detailsSolid-state devicesElectronic componentAnti oxidant
The invention provides a liquid resin composition for an electronic component and an electronic component device sealed by the liquid resin composition, wherein the liquid resin composition has good transference resistance, other formability and excellent reliability. The invention is characterized in that the resin composition for the electronic component is the liquid resin composition including (A) epoxy resin, (B) normal temperature liquid circular acid anhydride, (C) coupling agent and (D) anti-oxidant.
Owner:株式会社力森诺科
Copper alloy sheet
ActiveCN102639732AHigh strengthExcellent bending workabilitySingle bars/rods/wires/strips conductorsConductive materialElectronic componentImpurity
Provided is a Corson copper alloy sheet which satisfies property requirements for terminals or connectors, such as strength and bendability. The copper alloy sheet is a copper alloy sheet for electric / electronic components which has a copper alloy composition containing, in terms of mass%, 0.8-5% Ni and / or Co and 0.2-1.5% Si, with the remainder comprising Cu and incidental impurities, wherein the areal proportion of crystal grains deflected at an angle less than 15 from the cube orientation has been regulated so as to be less than 10% and the areal proportion of crystal grains deflected at an angle of 15-30 from the cube orientation has been regulated to 15% or higher. The copper alloy sheet has excellent strength and bendability.
Owner:FURUKAWA ELECTRIC CO LTD
BB cream having whitening, moisturizing and makeup-dizziness preventing functions
InactiveCN105342884ASilky skinAdjust skin toneCosmetic preparationsToilet preparationsSodium hyaluronateEthyl hexanoate
The invention discloses a BB cream having whitening, moisturizing and makeup-dizziness preventing functions. The BB cream consists of the following components: glycerol, cyclopentasiloxane, titanium dioxide, cetyl ethyl hexanoate, cetyl PEG / PPG-10 / 1 polydimethylsiloxane, dipropylene glycol, nicotinamide, caprylic / capric triglyceride, ethylhexyl palmitate, PEG-75 meadowfoam seed oil, hydrogenated polydecene, sodium chloride, quaternary ammonium salt-18 bentonite, white beeswax, argania spinosa kernel oil, tocopherol, CI 77492, panthenol, CI 77491, CI 77499, phenoxyethanol, allantoin, methylparaben, propyl hydroxybenzoate, sodium hyaluronate, essence, EDTA disodium, butylated hydroxytoluene, adenosine and water. By virtue of the meadowfoam seed oil, the adenosine, the argania spinosa kernel oil, the panthenol and the nicotinamide, the functions of the finished BB cream are effectively expanded, so that the BB cream is better in moisturizing performance, makeup-dizziness preventing performance and whitening performance.
Owner:HANGZHOU BAOZIDA BIOLOGICAL TECH CO LTD
Anti-yellowing polychloroethylene
The invention relates to anti-yellowing PVC which belongs to the technical field of organic polymer compounds. The invention comprises the following components (weight percent): 41 to 50 percent of PVC, 24 to 30 percent of plasticizer, 1 to 3 percent of stabilizer, 0.1 to 0.2 percent of antioxidant, 1 to 4 percent of UV absorbent, 0.1 to 1 percent of lubricant, 0.03 to 0.1 percent of pigment, and 15 to 20 percent of filler. The invention can cause the PVC to achieve better anti-yellowing property, and the finished goods are white and have good weather and transfer resistance effects.
Owner:TAIZHOU FENGYUAN SANITARY CO LTD
Display device
ActiveUS20110273075A1Increase stickinessImprove migration resistanceControl electrodesDischarge tube luminescnet screensDisplay deviceAlloy
A display device is provided with a Cu alloy film having high adhesiveness to a transparent substrate and a low electrical resistivity. The Cu alloy film for the display device is directly brought into contact with the transparent substrate, and the Cu alloy film has the multilayer structure, which includes a first layer (Y) composed of a Cu alloy containing, in total, 2-20 atm % of at least one element selected from among a group composed of Zn, Ni, Ti, Al, Mg, Ca, W, Nb, and Mn, and a second layer (X) which is composed of pure Cu or substantially a Cu alloy having Cu as the main component and has an electrical resistivity lower than that of the first layer (Y). The first layer (Y) is brought into contact with the transparent substrate.
Owner:KOBE STEEL LTD
Phosphate microcapsule flame retardant and preparation method and application thereof
InactiveCN105585737AParticle size controllableImprove interface compatibilityPolymer sciencePolyphosphazene
The invention discloses a phosphate microcapsule flame retardant and a preparation method and application thereof. A phosphate flame retardant is adopted as a core material of the phosphate microcapsule flame retardant. A capsule material is a polyphosphazene dendritic polymer obtained through reaction of one or more of phosphonitrile and a coupling agent. The mass ratio of the capsule material to the core material is 0.1:1-1:1. According to the preparation method, a dispersing agent is utilized for uniformly dispersing the phosphate flame retardant into solvent; then one or more of phosphonitrile and the coupling agent are added under a mechanical stirring state and under an ultrasonic state, an acid-binding agent is added, the mechanical stirring reaction is carried out for 2-10 h, and a product is cooled to room temperature, filtered in a vacuum mode, and dried in a vacuum mode to obtain the phosphate microcapsule flame retardant. The phosphate microcapsule flame retardant is provided with a non-polar surface, and interfacial compatibility of the flame retardant in a non-polar polymer matrix can be improved; meanwhile, a certain toughening effect is achieved; the particle size of microcapsules is controllable, flame retardant performance and a mechanical property of a composite material can be improved, the whole technology process is convenient and controllable, and industrial applicability is high.
Owner:GUANGDONG UNIV OF TECH
Phosphorus-containing macromolecular intumescent flame-retardant charring agent with cross-linked structure as well as preparation method and application thereof
ActiveCN104559204ASolve the problems caused by poor water resistanceImprove solubilityEpoxyCross-link
The invention discloses a phosphorus-containing macromolecular intumescent flame-retardant charring agent with a cross-linked structure as well as a preparation method and an application thereof. A structural general formula of the phosphorus-containing macromolecular intumescent flame-retardant charring agent is as shown in the specification, wherein X, Y and Z are any one of diamine, diol group, alkylol amine or diphenol, and can be the same, and can also be different. The invention further relates to a preparation method of the flame-retardant charring agent, and an application of the flame-retardant charring agent as a carbon source of a novel intumescent flame-retardant system, and an application of novel intumescent flame-retardant system in polyolefin, polyurethane, polylactic acid, polyamide and epoxy resin. The intumescent flame-retardant charring agent prepared by the method has good charring property, and is free of halogen, low in toxicity and high in water resistance, good in compatibility with a plurality of flame-retardant high polymers, relatively small in effects on mechanical property, simple in synthesis process, easy to control, and easy to put into industrial production.
Owner:SICHUAN UNIV
Integrated circuit device and method of producing the same
InactiveUS7332810B2Improve migration resistanceImprove reliabilitySemiconductor/solid-state device detailsNanoinformaticsLithographic artistCarbon nanotube
An integrated circuit device having vias having good resistance to migration causing the breaking of a wiring line, or an integrated circuit device having a wiring structure that is fined by breaking the limit of lithography technique is provided. The former device comprises a plurality of elements fabricated on a semiconductor substrate, wiring lines for making the elements and the integrated circuit device function, and vias for interconnecting wiring lines in separate layers, the via being formed of one or more cylindrical structures made up of carbon atoms. The latter device comprises a plurality of elements fabricated on a semiconductor substrate and wiring members for making the elements and the integrated circuit device function, at least part of the wiring members being formed of one or more cylindrical structures made up of carbon atoms. The latter device is preferably manufactured by a method comprising using a CVD process for the formation of the cylindrical structures, while applying a direct current electric field so as to grow the cylindrical structures in one direction, or applying an alternating current electric field so as to grow the cylindrical structures in two directions. A semiconductor device using a carbon nanotube and a method of forming a pattern using a carbon nanotube as a mask are also disclosed.
Owner:FUJITSU LTD
Silver powder surface modification processing method
The invention relates to a silver powder surface modification processing method. Nano-particles are wrapped by a wrapping machine and embedded into the micron-silver hole on the micron-silver surface.The nano-particles can be nano-silver powder, nano-Cu powder, nano-Al powder, nano-Sn powder, nano-Zn powder, nano-Ni powder or nano-In powder. The grain diameter of the nano-particles is 10-50 nanometers, and the grain diameter of the micron-particles is from 1-5 microns. The mass ratio of nano-particles to micron-particles is 1:100 to 15:100. The time of treatment by the wrapping machine is 30sto 3min.
Owner:南京金视显科技有限公司
Coloring master batch for RRP (polypropylene random) hot-water pipes and preparation method thereof
The invention relates to the technical field of plastic coloring master batches, particularly a coloring master batch for RRP (polypropylene random) hot-water pipes and a preparation method thereof. The invention discloses a coloring master batch for RRP hot-water pipes, which is prepared from the following raw materials in parts by weight: 40-60 parts of carrier resin, 35-55 parts of pigment, 0.5-5 parts of dispersing agent, 0.1-3 parts of antioxidant and 0.1-3 parts of antimicrobial agent. The pigment is a mixture of white, black and yellow pigments in a ratio of 5:2:1. The preparation method comprises the following steps: mixing, extruding, cooling, drying and granulating. The prepared master batch has the advantages of favorable workability, favorable weather resistance and favorable dispersity.
Owner:BLUESTAR CHENGDU NEW MATERIALS
Cu-Al alloy powder, alloy paste utilizing same, and electronic component
InactiveCN102470438AImprove migration resistanceInhibitionNon-insulated conductorsAddress electrodesMetallurgyAlloy
Disclosed is an electronic component wherein wiring and electrodes are produced by baking a paste, and which has wiring that connects to a glass or glass ceramic member. The electronic component can suppress an increase in electrical resistance resulting from oxidation, can suppress the generation of air bubbles in the glass or glass ceramic, and uses a Cu wiring material with excellent migration resistance. Further disclosed is a Cu-Al alloy powder that comprises Cu and preferably no more than 50 mass % of Al, and that is characterized by the surface of the aforementioned Cu-Al alloy powder being covered by an Al oxide coat layer with a thickness of no more than 80 nm. This powder is combined with a glass or a glass ceramic material to form a paste, and can be used to form wiring, electrodes, and / or contact members.
Owner:HITACHI CHEM CO LTD
Industrial production method for pigment yellow 81
The invention discloses an industrial production method for pigment yellow 81 and belongs to the technical field of fine chemical synthesis. The industrial production method comprises the following steps of: pulping, diazotizing and coupling such materials as 2,2',5,5'-tetrachlorobiphenyl amine hydrochloride, 2,4-dimethyl-N-acetoacetanilide and the like; stirring the materials for 1 hour to 4 hours after the reaction is finished; heating up the reaction liquid to 80 DEG C to 100 DEG C, preserving the heat for reaction for 30 minutes; cooling the reaction liquid to the room temperature, filtering the reaction liquid; and drying the reaction liquid at 70 DEG C to 100 DEG C to obtain the pigment yellow 81. According to the industrial production method disclosed by the invention, the reaction conditions are gentle, the device requirements are low, the reaction time is short; moreover, the obtained product pigment yellow 81has a high yield of more than 90%, good performances, acid resistance of lever four or higher, alkali resistance of level four or high, weather resistance of level six or higher, and heat resistance to 200 DEG C or high, and so the pigment yellow 81 disclosed by the invention can be applied to rubber with high performance requirements and high-level paint.
Owner:CROWN CHEMICAL CORP
Polyacrylonitrile fiber with flame resistance and preparation method thereof
InactiveCN103484966AWith copolymerization modificationWith blending modificationFlame-proof filament manufactureMonocomponent synthetic polymer artificial filamentChemistryFlame resistance
The invention relates to a flame-resistant polyacrylonitrile fiber and a preparation method thereof. The flame-resistant polyacrylonitrile fiber contains highly-steric polyacrylonitrile, industrial spinning-stage polyacrylonitrile and a flame retardant.
Owner:SUZHOU LONGJIE SPECIAL FIBER
Method for preparing plasticizer
The invention provides a method for preparing a plasticizer. The method comprises the following steps: raising the temperature of nylon acid, a dihydric alcohol and an end capping agent to 120-200 DEG C for a reaction to obtain an intermediate product in a protective atmosphere; and reacting the intermediate product at 180-260 DEG C at the pressure of 5-200Pa to obtain the plasticizer. Comparing with a small molecular plasticizer in the prior art, the method provided by the invention uses an industrial byproduct nylon acid as the main raw material and takes advantages of good solubility of nylon acid in the dihydric alcohol, the production process for preparing the polyurethane plasticizer with a low acid value at the low cost is shortened through two reactions including esterification and polycondensation. Firstly, the plasticizer has a good plastication; secondly, the plasticizer is a high molecular polyurethane plasticizer so that plasticizer volatilization is reduced in the processing process; moreover, interactions among polyurethane macromolecular chains and a polymer are greater than those among the small molecular plasticizers and a polymer, and the plasticizer provided by the invention has good migration resistance and extraction resistance.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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