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1843 results about "Polyvinyl butyral resin" patented technology
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Polyvinyl butyral (or PVB) is a resin mostly used for applications that require strong binding, optical clarity, adhesion to many surfaces, toughness and flexibility. It is prepared from polyvinyl alcohol by reaction with butyraldehyde.
Solar cells which include the use of certain poly(vinyl butyral)/film bilayer encapsulant layers with a low blocking tendency and a simplified process to produce thereof
The present invention provides a solar cell laminate comprising a preformed bi-layer sheet having a poly(vinyl butyral) sub-layer.
Owner:EI DU PONT DE NEMOURS & CO
Special-purpose energy-saving environment-friendly type nano coating for aluminum alloy sections (door and window) and preparing method thereof
InactiveCN101012350AStrong UV resistanceImprove insulation efficiencyLiquid surface applicatorsEpoxy resin coatingsEpoxyPolyvinyl butyral
The invention discloses a specific nanometer paint of energy-saving environment-protective typed aluminium alloy section bar (door and window), which comprises the following parts: 90-100% filming agent, 0.1-10% hardener, 0.5-8% levelling agent, 0.5-10% nanometer material, 20-50% fill and 10% hollow microball, wherein the filming agent is one or more of epoxy resin, polyester resin, acrylic acid resin, amino resin, phenol resin or alkide resin; the hardener is one or more of dicyandiamide, imidazole, dihydrazide, polybasic carboxylic acid, beta-hydroxyalkyl amide or triglycidol isocyanuric ester hardener; the levelling agent is one or more of polyacrylic resin, siliceous acryl resin, polyvinyl butyral, benzoin, hydrocastor oil, cellulose acetate butyrate or epoxy soy oil; the nanometer material is nanometer zinc oxide; the hollow micro-ball is hollow ceramic microball.
Owner:苏州裕丰装饰门窗有限公司
Intrusion resistant glass laminates
InactiveUS20050170160A1Increase stiffnessHigh stiffnessFilm/foil adhesivesSynthetic resin layered productsPolyvinyl butyralPolyethylene terephthalate
Composite laminate interlayers for adhering a glass laminate comprising a sheet of polyethylene terephthalate (PET) between layers of plasticized polyvinyl butyral (PVB) adhesive layers, wherein at least one of the PVB adhesive layers is stiffened, e.g. by reduction in the amount of plasticizer, and has a glass transition temperature greater than 35° C. The PET is preferably 0.075 to 0.25 mm (3-10 mils) thick and can have a functional coating for reducing radiation, e.g. UV or IR or visible light, transmission through the glass laminate. The laminate can also comprise at least one elastomeric layer adapted to reducing sound transmission through the glass laminate. The laminates exhibit enhanced maximum flexural modulus of greater than about 350 Newtons / centimeter.
Owner:SOLUTIA INC
Solar cells encapsulated with poly(vinyl butyral)
ActiveUS20080185035A1Plastic/resin/waxes insulatorsOrganic compound preparationPlasticizerElectrical battery
A solar cell pre-laminate assembly comprising (i) a solar cell component comprising one or a plurality of solar cells and having a light-receiving side and a back side, and (ii) stiff poly(vinyl butyral) sheet as an encapsulant layer, wherein the stiff poly(vinyl butyral) sheet is positioned next to the light-receiving or the back side of the solar cell component and comprises a poly(vinyl butyral) composition containing about 10 to about 23 wt % of a plasticizer based on the total weight of the composition.A process of preparing solar cell assembly comprising (i) providing a solar cell component and a stiff poly(vinyl butyral) sheet comprising a poly(vinyl butyral) composition containing about 10 to about 23 wt % of a plasticizer based on the total weight of the poly(vinyl butyral) composition, and (ii) encapsulating the solar cell component in a polymer matrix comprising the poly(vinyl butyral) composition.
Owner:DOW GLOBAL TECH LLC
Back panel of solar cell and preparation method thereof
ActiveCN102157591AExtended service lifeMeet the requirementsFinal product manufactureSynthetic resin layered productsComposite filmPolyethylene terephthalate glycol
The invention relates to a back panel of a solar cell and a preparation method thereof. The solar back panel is provided with three polymer film layers from top to bottom, namely an adhesive weatherable layer, an adhesive reinforcing layer and an adhesive moisture-retarding layer, wherein the adhesive weatherable layer is a PVDF(polyvinylidene fluoride) / EVA (ethylene vinyl acetate) alloy layer, the adhesive reinforcing layer is a PET (polyethylene terephthalate) / PMMA (polymethyl methacrylate) alloy layer, and the adhesive moisture-retarding layer is a PVDF / PVB (polyvinyl butyral) alloy layer. In the preparation method, a multi-layer melting and co-extrusion method is adopted for realizing interface-free fusion of the three film layers, and a composite film can achieve good dimensional stability by online high-temperature shaping. The structure of the back panel of the solar cell only comprises the three layers, an adhesive layer does not need to be used, the preparation process is simple, the steps of sizing and hot-pressing are omitted, and the production efficiency is high; and simultaneously, the back panel has excellent performances and is in line with the packaging requirements of the solar cell.
Owner:SHANDONG DONGYUE POLYMER MATERIAL
Preparation method of mobile telephone shell
ActiveCN105541324AHigh strengthAvoid breakingTelephone set constructionsLow-density polyethylenePolyethylene glycol
The invention discloses a preparation method of a mobile telephone shell. The preparation method comprises weighing yttrium oxide-stabilized zirconia powder and a surfactant according to a mass ratio of the surfactant to yttrium oxide-stabilized zirconia powder of 1-5: 100, adding ethanol into the weighed materials, carrying out ball milling mixing, carrying out drying and sieving to obtain slurry, mixing the slurry and a binder, carrying out mixing and granulation to obtain feed for injection, wherein the binder comprises polyethylene glycol, oxidizing high density polyethylene, polyvinyl butyral and stearic acid, carrying out injection molding on the feed to obtain a green body, carrying out staining detection on the green body, putting the green body into water, carrying out water debinding, carrying out thermal debinding to obtain a blank, sintering the blank to obtain a semifinished product, and carrying out machining and polishing on the semifinished product to obtain the mobile telephone shell. The mobile telephone shell has high strength, is not easily broken and has high density and uniform apertures. The preparation method has simple processes, operation easiness and high production efficiency.
Owner:DONGGUAN XINBO STRUCTURAL CERAMICS CO LTD
Film-reinforced glasses
InactiveUS20030111159A1Small thicknessImprove permeabilitySynthetic resin layered productsLaminationSilicon dioxideGlass sheet
The present invention provides a film-reinforced glass, which has excellent impact resistance, penetration resistance and durability and which can be easily prepared. The constitution of the glass consists of one glass plate and a film comprising an organic polymer which is superposed thereon through a transparent adhesive layer, wherein the transparent adhesive layer comprises a first transparent adhesive layer of polyvinyl butyral and a second transparent adhesive layer of ethylene-vinyl acetate copolymer; or wherein a hard coat layer consisting of a cured layer formed from a curable resin containing fine particles of silica is provided on the surface of the organic polymer film on the side in noncontact with the transparent adhesive layer.
Owner:BRIDGESTONE CORP
Production method of environment-friendly water-soluble gum electrochemical aluminothermic transfer printing film
InactiveCN101570090APromote environmental protectionThermographyInk transfer from master sheetPolyvinyl butyralAcrylic resin
The invention relates to a production method of an environment-friendly water-soluble gum electrochemical aluminothermic transfer printing film. The production method comprises the following steps: a PET film of 6 to 15 micron is adopted as a carrier film; the carrier film is sequentially provided with four coatings such as a releasing layer, a color layer, an aluminum layer and an adhesive layer; wherein the releasing layer, the color layer and the adhesive layer coat the coating materials on a PET basal membrane substrate by a smooth roll or an anilox roll in a forward coating mode or backward coating mode; the aluminum layer is spray-plated in a vacuum spray-plating mode; the invention adopts the environment-friendly material and the production technique to produce the aluminothermic transfer printing film product, and the key points are as follows: solvent based acrylic resin, ethylene-vinyl acetate resin, ketone resin and cellulosic resin hot melt adhesive are changed into cellulose acetate and products made by cellulose acetate; and vinyl cellulose, polyvinyl butyral and powdery silicon dioxide are synthesized by water and a mixed solvent in a mode of wetting and dispersing. The production method has the characteristics of having no solvent residue harmful to human body and being beneficial to environmental protection and the like.
Owner:莫国平
Polyvinyl butyral granular material for 3-D binder printing, production method and uses therefor
InactiveUS7402330B2Flat surfaceFiner and more detailed structureGranule coatingPretreated surfacesSurface layerMaterials science
The invention relates to a granular material for 3D binder printing, said granular material consisting of particles provided with an externally non-polar surface layer (2). The invention also relates to a method for producing a granular material for 3D binder printing, whereby a surface layer (2) having a non-polar outer side is applied to initial particles (1), and to a method for producing an object consisting of the inventive granular material, according to which a layer of the inventive granular material is applied to a base, and pre-determined regions (3) of said layer are moistened with a binding fluid, said binding fluid being selected from fluids in which a surface layer of the particles of the granular material is soluble. The invention further realties to objects consisting of interconnected particles of the inventive granular material. The invention enables a very precise printing process.
Owner:VOXELJET AG
Polyvinyl butyral transparent film and preparation method thereof
ActiveCN102863917ANon-macromolecular adhesive additivesFilm/foil adhesivesPolymer scienceComposite film
The invention belongs to the field of polymer / nanoparticle composite materials, and relates to an infrared thermal reflection and anti-ultraviolet polyvinyl butyral (PVB) transparent film for laminated safety glass and a preparation method thereof. According to the method, nano-indium stannum oxide (ATO) is selected as functional particles, is subjected to double processing through a coupling agent and a dispersing agent and is poured into a mold to be formed and compounded after being directly and uniformly mixed with purchased or self-made polyvinyl butyral, plasticizer, antioxidant and filming agent by means of ultrasonic wave to prepare a heat-insulating PVB nano composite film. The nano-ATO particles are subjected to the double processing and the special ultrasonic dispersion process, so that the problem of agglomeration of the ATO is effectively improved; and the prepared PVB nano composite film has superior mechanical property and higher infrared reflectivity and visible light transmittance, and can be directly used for processing and producing heat-insulating, sound-insulating, anti-ultraviolet, transparent and impact-resistant multi-functional safety glass.
Owner:CHANGZHOU XIAOGUO INFORMATION SERVICES
Intermediate film for laminated glass, laminated glass using the same, and method for production of the laminated glass
InactiveCN101410341AHigh transparencyGood penetration resistanceSynthetic resin layered productsGlass/slag layered productsWeather resistanceUv absorber
The object of the present invention is to provide an intermediate film for a laminated glass having excellent transparency, adhesion, impact resistance and penetration resistance as well as excellent light resistance and weather resistance, and scarcely turning yellow in a heating treatment during its preparation. An intermediate film for a laminated glass comprising a laminate consisting of a layer (PVB layer) of a composition comprising polyvinyl butyral and a layer (EVA layer) of a composition comprising ethylene / vinyl acetate copolymer containing an organic peroxide, wherein the composition comprising polyvinyl butyral contains a benzophenone compound as an ultraviolet absorber; a laminated glass; and a process for the preparation of the same.
Owner:BRIDGESTONE CORP
High-permeability sand-burning-preventing paint for casting and preparation method thereof
InactiveCN102139342AImprove permeabilityImprove high temperature strengthFoundry mouldsFoundry coresAlkylphenolSuspending Agents
The invention discloses high-permeability sand-burning-preventing paint for casting and a preparation method thereof. The high-permeability sand-burning-preventing paint is prepared from the following raw materials: refractory aggregate, a binding agent, an activating agent, a thickening agent, a suspending agent, a defoaming agent and a carrier, wherein the masses of the binding agent, the activating agent, the thickening agent, the suspending agent, the defoaming agent and the carrier respectively account for 0.5-2.5 percent, 0.01-0.05 percent, 0.1-0.5 percent, 1.5-5.0 percent, 0.01-0.1 percent and 40-220 percent of the mass of the refractory aggregate; the refractory aggregate is a mixture of one or two of zircon powder and chromite fines in any proportion; the binding agent is phenolic resin or a mixture of the phenolic resin and one or more than two of oxidized rosin and ethyl silicate; the activating agent is alkylphenol ethoxylates; the carrier is ethanol; the thickening agent is polyvinyl butyral; the suspending agent is lithium bentonite; and the defoaming agent is normal butanol.
Owner:衡阳中钢衡重铸锻有限公司
Composite comprising cellulose and thermoplastic polymer
Disclosed are composite compositions and articles prepared from such composites. The composition comprises or is produced from cellulose material, thermoplastic polymer, and a compatibilizing agent which is the reaction product of polyvinyl butyral, having hydroxyl functionality, and a second polymer which comprises or is produced from polyvinyl butyral and a second polymer wherein the polyvinyl butyral comprises a hydroxyl functionality and the second polymer reacts with at least a portion of the hydroxyl functionality.
Owner:DOW GLOBAL TECH LLC
Peel-off coating compositions
ActiveUS8263231B2Easy to disassembleLow costNon-fibrous pulp additionAlkaline-earth metal silicatesEmulsionAcid rain
Methods and compositions are provided for protecting exterior surfaces of automobiles and other products, or components of products, against abrasion, abrasive dust, water, acid rain, etc. The methods involve applying to a surface a protective coating composition comprising a polyvinyl butyrate emulsion and a relatively inert extender. The emulsion is dried to form a water-resistant protective coating that can be removed from the underlying surface by peeling when no longer desired.
Owner:CAL WEST SPECIALTY COATINGS
Electrode step difference offsetting print paste and production method for electronic components
InactiveUS20060191443A1Good adhesivenessHigh strengthFixed capacitor dielectricStacked capacitorsSlurryElectronic component
A production method of an electronic device comprising the steps of forming a stacked body by stacking green sheets 10a and electrode layers 12a having a predetermined pattern and firing the stacked body. Before forming the stacked body, a blank pattern layer 24 having substantially the same thickness as that of the electrode layer is formed on a space portion of the electrode layer having a predetermined pattern. The electrode level difference absorbing print paste for forming the blank pattern layer 24 includes at least ceramic powder and a binder resin, and a polymerization degree of the binder resin included in the electrode level difference absorbing print paste is made equal to or more than that of a binder resin included in slurry for forming the green sheet. The binder resin of the electrode level difference absorbing print paste includes a polyvinyl butyral resin, a polymerization degree of the polyvinyl butyral resin is 1400 or more, a butyralation degree is 64 to 74 mol %, and an acetalization degree is 66 to 74 mol %.
Owner:TDK CORPARATION
Peel-off coating compositions
ActiveUS20100167075A1High strengthAvoid lack of toughnessNon-fibrous pulp additionAlkaline-earth metal silicatesEmulsionWater resistant
Methods and compositions are provided for protecting exterior surfaces of automobiles and other products, or components of products, against abrasion, abrasive dust, water, acid rain, etc. The methods involve applying to a surface a protective coating composition comprising a polyvinyl butyrate emulsion and a relatively inert extender. The emulsion is dried to form a water-resistant protective coating that can be removed from the underlying surface by peeling when no longer desired.
Owner:CAL WEST SPECIALTY COATINGS
Chromium-free metal surface treatment agent
InactiveUS20050037227A1Improve adhesionAvoid performanceLiquid surface applicatorsSynthetic resin layered productsChromium freeSolvent
Provided is a chromium-free metal surface treatment agent excellent in rust inhibitive performance which can be used in a surface treatment of metal products, in particular, galvanized metal products. The metal surface treatment agent consists essentially of a siliceous binder solution comprising water and / or alcohol as a solvent, and the concentration of the silica component is 8 to 25% by weight. In particular, a metal surface treatment agent containing an alcoholic solution of alkoxysilane oligomer having a weight averaged molecular weight of 1000 to 10000, which is obtained by hydrolyzed condensation polymerization of alkoxysilane, can suppress the occurrence of white rusting for a long time. It is preferred that 3 to 25 parts by weight of a dispersed nano-sized titanium dioxide powder having an average primary particle size of not more than 70 nm, per 100 parts by weight of the silica component be suspended in the siliceous binder solution. The rust inhibitive performance of the metal surface treatment agent can be further improved by using an alcohol-soluble polyvinyl butyral resin and by adding a silane coupling agent having a vinyl or epoxy group as a functional group, in combination with a dispersed nano-sized powder of titanium dioxide.
Owner:HODEN SEIMITSU KAKO KENKYUSHO CO LTD
Decorative polyvinyl butyral solar control laminates
InactiveUS20070196629A1Decorative surface effectsDuplicating/marking methodsEngineeringPolyvinyl butyral resin
Owner:EI DU PONT DE NEMOURS & CO
Novel membrane spraying preparation for skin trauma and preparation method
InactiveCN101879283AAvoid profuse bleedingPromote healingHydroxy compound active ingredientsAerosol deliveryPolyoxyethylene castor oilPolyvinyl alcohol
Owner:ARMY MEDICAL UNIV
Liquid wound dressing and preparation method thereof
The invention discloses a liquid wound dressing which is characterized by comprising the following raw materials in parts by weight: 100-180 parts of a medical polymer film forming material, 0-20 parts of chitosan, 10-25 parts of polyethylene glycol 400 and 10-28 parts of glycerin, wherein the medical polymer film forming material is one in polyvinyl alcohol and polyvinyl butyral or a mixture of carbomer and one in the polyvinyl alcohol and the polyvinyl butyral. The liquid wound dressing can absorb the wound exudate, can effectively debride, maintains the surface of a wound to be wet, promotes the wound healing and is good in sterilizing effect.
Owner:重庆华昶生物技术有限公司
High-strength foundry casting sand and preparation method thereof
InactiveCN104801655AHigh strengthHigh tensile strengthFoundry mouldsFoundry coresFoundrySodium Bentonite
The invention discloses high-intensity foundry casting sand and a preparation method thereof. The high-intensity foundry casting sand comprises the following raw materials in parts by weight: 45 to 65 parts of quartz sand, 20 to 30 parts of desert sand, 15 to 20 parts of illite, 12 to 18 parts of calcium carbonate powder, 5 to 10 parts of silicon boride, 2 to 3 parts of 3-isocyanatopropyltriethoxysilane, 8 to 12 parts of modified bentonite, 5 to 10 parts of emery powder, 4 to 8 parts of shale ash, 5 to 10 parts of malthacite, 3 to 5 parts of sodium alginate, 6 to 9 parts of light calcined powder, 3 to 7 parts of carbon nanofiber, 4 to 6 parts of polyethylene imine, 2 to 3 parts of polyvinyl butyral, and a proper amount of water. Compared with the traditional casting sand, the casting sand provided by the invention is relatively high in wet compression strength and tensile strength, further is excellent in heat resistance, plasticity and air permeability, is easy for pattern drawing and modeling, has the effect of bearing various external forces and high temperature, can improve casting quality obviously, and avoids defect of air holes produced by castings.
Owner:江守仲
Flux coated brazing sheet
InactiveUS7337941B2Welding/cutting media/materialsWelding/soldering/cutting articlesOrganic solventMaterials science
A brazing flux mixture comprised of brazing flux, a polyvinyl butyral resin binder, and an organic solvent which can be applied over an entire aluminum alloy brazing sheet, or can be applied on the brazing sheet only where metallurgical bonds or joints are required, that is sufficiently durable to withstand processing operations and also provides good metallurgical bonds upon brazing.
Owner:ARCONIC INC
Process for Producing Polyvinyl Acetal Resin, Polyvinyl Butyral Resin, and Process for Producing Esterified Polyvinyl Alcohol Resin
Owner:SEKISUI CHEM CO LTD
Thermochromic laminated glass and manufacturing method thereof
InactiveCN102674713AWithout changing the basic structureReduce investmentArchitectural glassVanadium dioxide
The invention relates to a thermochromic laminated glass. The thermochromic laminated glass comprises two pieces of glass and a thermochromic film which is clamped between the two pieces of glass, wherein the thermochromic film comprises a polyvinyl butyral base film and tungsten oxide-doped vanadium dioxide powder which is dispersed in the polyvinyl butyral base film. The invention also relates to a manufacturing method for the thermochromic laminated glass. The thermochromic laminated glass adopts the tungsten oxide-doped vanadium dioxide powder which is dispersed in the polyvinyl butyral base film to form the thermochromic film, the basic structure of the conventional laminated glass is not changed, the investment is low, and a high-efficient color change effect is achieved. Due to the adoption of metal oxides, the thermochromic laminated glass is non-toxic, green, environment-friendly and non-flammable, has high safety and meets the current requirements of energy saving and emission reduction. In addition, the thermochromic laminated glass does not basically change the conventional preparation process when manufactured, is simple in preparation process and low in cost, and is suitable for the fields of building glass, automobile sunroof glass, side window glass and the like.
Owner:信义超薄玻璃(东莞)有限公司
BIPV (Building Integrated Photovoltaics) solar module and manufacture method thereof
ActiveCN101866962ASolve the problem of long-term aging and yellowingImprove power generation efficiencyFinal product manufactureClimate change adaptationEngineeringCrystalline silicon
The invention belongs to the field of photoelectricity and building materials, in particular to a BIPV (Building Integrated Photovoltaics) solar module and a manufacture method thereof. The BIPV solar module comprises glaze super white tempered glass, a plurality of tiled, arrayed and connected double-side crystalline silicon solar cells and ordinary glaze tempered glass which are sequentially arranged from top to bottom, wherein the double-side crystalline silicon solar cells are packaged between the glaze super white tempered glass and the ordinary glaze tempered glass by adopting a PVB (Polyvinyl Butyral) adhesive film, and all groups of double-side crystalline silicon solar cells are connected through solar curtain junction box strings. In the BIPV solar module and the manufacture method thereof, both sides of the BIPV solar module can accept sunlight, thereby the generating power of a system is indirectly improved, and meanwhile, the method has simple process and low improved cost and can avoid adverse phenomena of bubbles, displacement, cracks, atomization, and the like. The BIPV solar module can be applied to building guardrails comprising curtains, roofs, car roofs, road sound insulation guardrails, and the like and realizes BIPV.
Owner:浙江悦昇新能源科技有限公司
Ocean epoxy zinc-rich anti-corrosion powder coating and preparation method thereof
ActiveCN104087125AImprove conductivityImprove thermal conductivityAnti-corrosive paintsPowdery paintsEpoxyPolyvinyl alcohol
The invention provides an ocean epoxy zinc-rich anti-corrosion powder coating and a preparation method thereof. The coating is prepared from the following raw materials: E-12 epoxy resin, novolac epoxy, trimethyl hexamethylenedi, polyvinyl butyral, dimethyl imidazole, aminopropyl triethoxy silane, zinc powder, aluminum powder, graphene, ethylene bis stearamide, polyethylene wax powder, an antioxidant DNP, and compound filler. The preparation method comprises the following steps: uniformly mixing zinc powder, aluminum powder and graphene, adding aminopropyl triethoxy silane, stirring to disperse so as to obtain a component A, mixing the E-12 epoxy resin, novolac epoxy, polyvinyl butyral and polyethylene wax powder, preheating, cooling down to room temperature, mixing the component A, the mixture and the rest raw materials, carrying out melt extrusion by virtue of an extruder, tabletting, carrying out air cooling, grinding into powder, and sieving. The coating can protect a steel structure from being corroded by various corrosive media for a long term, is non-toxic, pollution-free and salt mist resistant, and has strong adhesive force and shock resistance.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Alcohol-based non-zirconium composite refractory aggregate spray paint for wet cast steel and preparation method thereof
ActiveCN103302236ALow costImprove suspension stabilityFoundry mouldsFoundry coresMetallurgyPolyvinyl alcohol
The invention discloses an alcohol-based non-zirconium composite refractory aggregate spray paint for wet cast steel and a preparation method thereof. The spray paint is prepared from the components in parts by weight: 65-70 parts of mullite powder, 30-35 parts of magnesium aluminum spinel powder, 8-10 parts of cordierite flour, 2-5 parts of forsterite powder, 2.0-2.5 parts of magnesium silicate aluminum powder, 1-1.5 parts of calcium bentonite, 4-5 parts of water, 3-5 parts of ludox, 2-3 parts of modified rosin ester, 0.3-0.5 part of butyral resin, 41-54 parts of methyl alcohol, 15-20 parts of grain ethanol, and 10-15 parts of isopropanol. The alcohol-based non-zirconium composite refractory aggregate spray paint disclosed by the invention is low in cost; and the alcohol-based non-zirconium composite refractory aggregate spray paint with high cost can be replaced for spraying green sand.
Owner:HUBEI UNIV OF TECH +1
Printing ink composition for laminate
InactiveUS20100247876A1Improve adhesionLess change in viscosityFlexible coversWrappersPolyesterCellulose acetate
There is provided an ink composition containing a colorant, a solvent, and a binder composed of 80 to 98% by weight of a polyurethane resin, 0.5 to 5% by weight of a cellulose acetate alkylate resin and 1.0 to 15% by weight of a polyvinyl butyral resin, based on the solids content, in which composition the polyurethane resin is obtained by reacting a reaction product between (A) a polyether diol compound having a Mn of 1,000 to 5,000, or a mixture of the compound and a polyester diol having a Mn of 1,000 to 5,000, and (B) a diisocyanate compound, with (C) a hydroxyldialkylamine having a molecular weight of 50 to 300 and having one hydroxyl group in a molecule, and further reacting the product with (D) a chain extending agent; and a molar ratio of the OH group of the component (C) to the NCO group of the component (B) is 0.05 to 0.35.
Owner:TOYO INK SC HOLD CO LTD
Environment-friendly and durable wax oil and preparation method thereof
The invention relates to the field of wood coatings, and particularly relates to environment-friendly and durable wax oil and a preparation method thereof. The environment-friendly and durable wax oil is prepared from the following raw materials in parts by weight: 50-80 parts of vegetable oil, 5-20 parts of biological wax, 5-10 parts of gum dammar, 5-10 parts of isopropanol, 5-10 parts of ethyl ester, 3-5 parts of nanosilicon dioxide, 3-5 parts of sodium silicate, 3-5 parts of calcium sulfate, 2-5 parts of silicone emulsion, 2-5 parts of polyvinyl butyral, 0.5-1 part of a dryer, 0.1-0.3 part of an anti-skinning agent, 0.1-0.3 part of an ultraviolet light absorber, and 0.1-0.3 part of a mould inhibitor. The vegetable oil is a mixture of 15-30 parts of tung oil and 40-60 parts of turpentine. The product is good in durability, low-temperature resistant, fire-proof, less in peeling possibility, good in abrasive resistance, and good in glossiness, and can be widely applied to coating protection of woodwork. Guarantee is provided for the product by the preparation method.
Owner:HANGZHOU EABY ENVIRONMENTAL PROTECTION TECHCO
PVB (polyvinyl butyral) film having heat-insulating property and preparation method thereof
The invention provides a PVB (polyvinyl butyral) film having heat-insulating property, which comprises the following components in percentage by mass: 0.1-1% of ITO (indium tin oxide) nano emulsion, 19-40% of plasticizer, 59-80% of PVB resin powder, 0.1-2% of antioxidant and 0.05-1% of ultraviolet absorbent, wherein the ITO nano emulsion comprises the following components in percentage by mass: 65-90% of organic solvent, 5-20% of PVB resin powder and 5-15% of ITO nano powder. The invention also relates to a preparation method of the PVB film having heat-insulating property, which comprises the following steps: dissolving a small amount of PVB in organic solvent, adding a right amount of ITO powder, and repeatedly milling to a nano level with a ball mill, thus obtaining a nano emulsion; proportionally mixing the nano emulsion with the plasticizer, and adding into the PVB resin powder; and plastifying in a plastic extruding machine, and performing film formation through a mold, thus obtaining the PVB film. Thus, the invention effectively solves the aggregation problem.
Owner:吴莉
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