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19661 results about "Weather resistance" patented technology

Composition containing carbon nanotubes having coating thereof and process for producing them

The object of the present invention is to provide a carbon nanotube composition that does not impair the characteristics of the carbon nanotubes itself, allows the carbon nanotubes to be dispersed or solubilized in a solvent, does not cause separation or aggregation of the carbon nanotubes even during long-term storage, has superior electrical conductivity, film formability and moldability, can be easily coated or covered onto a base material, and the resulting coated film has superior moisture resistance, weather resistance and hardness; a composite having a coated film composed thereof; and, their production methods. In order to achieve this object, the present invention provides a carbon nanotube composition that contains a conducting polymer (a) or heterocyclic compound trimer (i), a solvent (b) and carbon nanotubes (c), and may additionally contain a high molecular weight compound (d), a basic compound (e), a surfactant (f), a silane coupling agent (g) and colloidal silica (h) as necessary; a composite having a coated film composed of the composition; and, their production methods.
Owner:MITSUBISHI CHEM CORP

Weather resistant sound attenuating modular communications headset

A weather resistant sound attenuating communications headset of modular construction includes two ear cup modules, a microphone boom module, a head band module, a headband cable module, and a termination cable module. The modular construction allows easy replacement of modules as well as selected components of the modules under field conditions without the need for tools. Replaceable water resistant thin film membranes are employed to provide weather protection as well as hygienic protection for the microphone, speaker and amplification electronics. The thin film membranes which cover areas which come into intimate contact with the wearer are easily replaceable under field conditions. Thus a headset that is shared by more than one user can be hygienically cleansed by simple replacement of the microphone and ear cup membranes.
Owner:COMPREHENSIVE TECHN SOLUTIIONS

Method for producing photovoltaic thin film module

The invention relates to a method for producing a photovoltaic thin film module (1) which is provided with a thin film solar cell system (2) that is mounted on carrier materials (3) and is covered with a compound (4) on at least one side of the surface, whereby said compound consists of an encapsulating material and is provided with a sealing layer (5) on the side of the surface thereof, said side being arranged on the thin film solar cell system (2). According to a covering method, the encapsulating material (4) and the thin film solar cell system (2), together with the carrier (3), are guided along one another and are pressed under pressure and at an increased temperature in such a way that a weather-proof, photovoltaic thin film module in the form of a compound (1) is designed. According to a method that can be carried out easily, a photovoltaic thin film module that is resistant to UV light, water vapour and other effects of the weather is provided. The photovoltaic module can additionally be provided with flexible characteristics by selecting the carrier material in such a way that said material is configured in the form of plastic foils or plastic foil compounds for instance.
Owner:ISOVOLTA OSTE ISOLIERSTOFFWERKE AG

Weather-resistant and high thermal conductive coating, radiating solar rear panel and efficient solar cell panel

The invention discloses a weather-resistant and high thermal conductive coating, a radiating solar rear panel and an efficient solar cell panel. The weather-resistant and high thermal conductive coating consists of 10 to 50 parts of weather-resistant resin, 5 to 30 parts of curing agent, 0.1 to 5 parts of organic filler, 30 to 80 parts of inorganic filler, and 30 to 100 parts of solvent. The radiating solar rear panel comprises a base layer, and the weather-resistant and high thermal conductive coating is arranged on at least one surface of the base layer or arranged between the base layers. The efficient solar cell panel comprises a solar front panel and the radiating solar rear panel, a solar cell circuit is arranged between the solar front panel and the radiating solar rear panel, and an encapsulation material is arranged on one side or two sides of the solar cell circuit. The weather-resistant and high thermal conductive coating can be directly coated on a base material and has high binding power and an excellent thermal conductive effect, and the weather resistance of the coating meets the requirement of a solar module for the service life of over 25 years.
Owner:ALLSTAE TECH ZHONGSHAN

Backside protective sheet for solar battery module and solar battery module using the same

There is provided a backside protective sheet for a solar battery module that is excellent in strength as well as in various properties such as weathering resistance, heat resistance, water resistance, light resistance, wind pressure resistance, hailstorm resistance, chemical resistance, moisture resistance, antifouling properties, light reflectivity, light diffusivity, and design, and is particularly excellent in the so-called “moisture resistance,” which is the ability to prevent the entry of moisture, oxygen and the like, and durability against performance degradation with time, particularly against hydrolytic degradation and the like, and is also excellent in protective capability. There is also provided a backside protective sheet for a solar battery module, which can facilitate inventory control by properly using the front side and back side of the protective sheet depending upon applications and is excellent in cost performance, and a solar battery module using the same. The backside protective sheet for a solar battery module comprises: a deposited assembly comprising a vapor-deposited film of an inorganic oxide provided on at least one side of a substrate; and a transparent or translucent heat-resistant polyolefin resin layer provided on both sides of the deposited assembly.
Owner:DAI NIPPON PRINTING CO LTD

High-durability super-hydrophobic self-cleaning coating material and preparation method thereof

InactiveCN101962514AHas the following advantages: (1) cleanlinessHas the following advantages: (1) has the functionAntifouling/underwater paintsPaints with biocidesDouble bondDimethyl siloxane
The invention belongs to the technical field of a new chemical material, and in particular relates to a high-durability super-hydrophobic self-cleaning coating material and a preparation method thereof. The coating material of the invention is prepared by curing and drying nanoparticles with photo-catalytic activity, a low-surface-free-energy polymer and a cross-linking agent at the room temperature, wherein the low-surface-free-energy polymer consists of one or more of polysiloxane fluoride, dimethyl silicone polymer and polyphenylene methyl siloxane, which contain active groups, such as hydroxyl alkoxy group, carbon-carbon double bond, silanol group, siloxy group, and the like; the cross-linking agent is hydrogen-containing silicone oil or aminosilane; and the mass content of the photo-catalytic nanoparticles in the coating ranges from 10 to 60 percent. The coating is formed into a micro-nanostructure by nanoparticle self-organization; a super-hydrophobic self-cleaning coating with lotus effect is prepared from the coating and a cross-linked filming matrix with low surface energy; the persistence of a lotus-shaped super-hydrophobic characteristic of the coating is realized by using the photo-catalytic decomposition characteristic of an organic pollutant for the nanoparticles; and thus the material is suitable for large-area construction and has high weathering resistance andprominent self-cleaning characteristic.
Owner:FUDAN UNIV

Environment-friendly light heat-insulating material and manufacturing method thereof

The invention relates to an environment-friendly light heat-insulating material for fireproof doors and buildings, and a manufacturing method thereof. The manufacturing method is characterized by comprising the following steps of: pretreating plant hollow core bodies and / or flexible porous fillers by using a water glass adhesive; mixing with inorganic fire-resistant hollow particles; and performing mould pressing, shaping and drying to obtain the environment-friendly light heat-insulating material. The hollow core bodies and the flexible porous fillers are arranged multidirectionally; one layer of water glass adhesive is arranged at least on the surfaces of the hollow core bodies and the flexible porous fillers; and discontinuous holes are reserved between the hollow core bodies and / or the flexible porous fillers and the inorganic fire-resistant hollow particles. Preferably, the hollow core bodies are rice husks and straw sections; and the flexible porous fillers are foam and fibers. Renewable plant resources and recovered foam and fiber waste are adopted, so the environment-friendly light heat-insulating material is energy-saving and environment-friendly; and a large number of sealed holes are formed among the material particles through the penetration and coating of the modified water glass adhesive, and a heat-insulating hydrophobic corrosion-resistant multi-effect protective layer is provided, so the environment-friendly light heat-insulating material has good fireproof, heat-insulating and heat-preserving effects, high weather resistance, combined rigidity and toughness, low density and low cost.
Owner:重庆恒宏致嘉全过程建设项目管理有限公司

High-performance water-based anticorrosion paint and preparation method thereof

The invention relates to a preparation method of high-performance water-based anticorrosion paint. The high-performance water-based anticorrosion paint comprises 30-60 parts of inorganic material resin, 0.5-30 parts of polyaniline-based nano composite material, 0-30 parts of curing agent, 0.1-1 part of defoaming agent, 0.1-1 part of dispersant and 0.1-1 part of leveling agent. Since the high-performance water-based anticorrosion paint does not contain organic resin or organic solvent, the paint has the advantages of heat resistance, wear resistance, weather resistance, oil resistance, fire resistance and environmental protection; the paint also has the advantages of simple preparation technique, strong binding force with metal, and low cost, can be cured at normal temperature, and can be widely used for corrosion protection in the fields of aviation, navigation, chemical engineering, electronics and the like.
Owner:济宁市产品质量监督检验所

Waterborne conductive ink and preparation method thereof

The invention relates to waterborne conductive ink which comprises the following components in percentage by weight: 1-40 percent of polymer emulsion or dispersion liquid, 0.1-0.7 percent of dispersant, 0.1-0.3 percent of wetting agent, 0.2-1.8 percent of defoaming agent, 30-70 percent of conductive material, 0.5-3 percent of film-forming addition agent and 5-60 percent of water. The waterborne conductive ink disclosed by the invention has the advantages of no toxicity or odor, safety, environment friendliness, convenience in use, resource economization, favorable film forming performance and printing performance of ink, strong adhesive force and good weather resistance; the defects of toxicity, harm, inflammability and explosiveness of solvent ink are overcome; and water replaces organic solvent, so that a volatile organic compound (VOC) is reduced, and the production cost is also reduced.
Owner:SUZHOU NIUJIAN NEW MATERIAL

Crosslinkable rubber compositions and use thereof

InactiveUS6864315B1High crosslinking rateIncrease production capacityPolymer scienceEnd-group
The crosslinkable rubber composition of the invention is crosslinkable by hot air, and a hot-air crosslinked rubber sheet thereof has no scratch on the surface in a hardness test using a pencil of HB and has a compression set of not more than 70% after a heat treatment at 150° C. for 22 hours. The rubber composition comprises an ethylene / α-olefin / non-conjugated polyene random copolymer rubber comprising a specific vinyl end group-containing norbornene compound, a SiH group-containing compound having at least two SiH groups in one molecule, and if necessary, an addition reaction catalyst comprising a platinum group element and a reaction inhibitor. The automobile weatherstrip, hose, rubber vibration insulator, belt, sealing material, expanded product, covered electric wire, electric wire joint, electric insulating part and household rubber product according to the invention comprise the above-mentioned rubber composition. The rubber composition has a high crosslinking rate and excellent productivity to produce crosslinked rubber molded products, is capable of undergoing hot-air crosslinking such as HAV or UHF and is capable of providing crosslinked rubber molded products having excellent compression set resistance, strength properties, heat resistance, weathering resistance and abrasion resistance.
Owner:MITSUI CHEM INC +1

Backing sheet for photovoltaic modules and method for repairing same

The present invention provides a protective backing sheet for photovoltaic modules. The backing sheets of the current invention possess excellent weather resistance, heat resistance, color retention, adhesion between layers and encapsulant, and scratch resistance. The backing sheet can minimize the deterioration in the performance of the solar module due to moisture permeation. It also can achieve desirable photoelectric conversion efficiency over a long period of time. Additionally the described backing sheet, or alternately referred to backskin, can be made in an aesthetically pleasing form.
Owner:MADICO INC

Intermediate film for laminated glass and laminated glass

The object of the present invention is to provide an interlayer film for laminated glass which exerts excellent heat insulation or electromagnetic wave transmittance and which is suitable for producing a laminated glass having excellent fundamental performance characteristics required for the laminated glass, such as transparency, especially good haze, appropriate bond strength between an interlayer film and glass, penetration resistance, impact absorption, weather resistance, and so on. Also, the object of the present invention is to provide a laminated glass produced by using the above-mentioned interlayer film. These objects are realized by the interlayer film for laminated glass comprising an adhesive resin, wherein the average particle diameter of tin-doped indium oxide and / or antimony-doped tin oxide is ranging from 0 to 80 nm, and the number of the tin-doped indium oxide or antimony-doped tin oxide particles with a particle diameter of not less than 100 nm are dispersed not more than 1 per 1 mum<2>, and also, by a laminated glass produced by interposing said interlayer film for laminated glass between at least a pair of glass sheets having a visible light transmittance rate (Tv) of not less than 65% in the light rays of 380 to 780 nm, a solar radiation transmittance rate (Ts) in the light rays of 300 to 2500 nm of not more than 80% of the mentioned visible light transmittance rate (Tv), the haze value (H) of up to 1.0% and electromagnetic wave shield (DeltadB) of not more than 11 dB in the wavelength of 10 to 2000 MHz.
Owner:SEKISUI CHEM CO LTD

Coated article and solar battery module

An object of the invention is to provide a coated article having a protective member which is improved in light transparency, heat resistance, and weather resistance, and easy to manufacture, as typified by a solar battery module which experience no deterioration of performance during long-term outdoor installation; and to provide a coated article capable of protecting a functional film or device from water vapor and gases for dramatically improve the life of the functional film or device. These objects are achieved by a coated article having as a protective member a silica coating which is obtained by applying a polysilazane-containing coating solution on at least one surface of a resinous substrate having light transparency and heat resistance under atmospheric pressure, followed by steam oxidation and heat treatment.
Owner:TDK CORPARATION

Multifunctional liquid rubber spray-coating material, preparation method, using method and special-purpose device

Multifunctional liquid rubber spray coating comprises components of A, B, wherein A component comprises liquid rubber asphalt emulsion whose solid content is 50-75%, wherein 2-65% rubber elusion content, 30-97% asphalt elusion content, 0.0-5.0% carbon black, 0.0-6.0% ultra-fine powder, 0.025-2.50% anion dispersing agent and 0.025-3.00% anion surface activator, which is waterborne spray coating, and B component is water solution which comprises 3.0-18.0% concentration calcii chloridum (89.0-99.2%), sodium chloride (0.50-4.0%) and composite aluminum iron polymer (0.3-7.0%). The two components are sprayed on the same basal plane through adopting a double-component airless spraying device to form a gelatin film with 0.5-4mm after 3-5 seconds solidification, which has the characteristics of strong bonding, temperature resistance, weather resistance, and excellent chemical stability, heat insulation and puncture resistance. The A component can be individually sprayed, or can be combined with the double components.
Owner:大连美宸特环保节能产品有限公司

High temperature resistant anticorrosion coating based on graphene and preparation method thereof

The invention relates to a high temperature resistant anticorrosion coating based on graphene and a preparation method thereof. The high temperature anticorrosion coating comprises the following components by the mass percentage: 5-60% of epoxy resin, 3-30% of polyphenylene sulfide resin, 3-30% of amino resin, 1-10% of a pigment, 1-20% of graphene, 3-50% of n-butyl alcohol, 0.1-0.3% of a defoaming agent, 0.1-10% of polyhydroxy acid sodium salt, 0.1-5% of benzenedicarboxylic acid dibutyl ester, 0.5-1.0% of bentonite, and 0.2-0.5% of a leveling agent. Compared with the prior art, the prepared coating has the advantages of quite excellent waterproof and anticorrosion performance, high temperature resistance, weather resistance, alkali resistance, impact resistance, artificial aging resistance and the like, and the preparation method has the advantages of good controllability, simple operation, low production cost, and easy industrialized production.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Ultraviolet curable organic silicon-acrylic resin electronic adhesive and application thereof

The invention provides an ultraviolet curable organic silicon-acrylic resin electronic adhesive, which comprises the following components: (1) 100 parts of doublebond-containing acrylic monomers or prepolymer, (2) 5 to 500 parts of doublebond-containing organic silicon resin with a molecular weight of 1,000 to 10,000, (3) 1 to 100 parts of vinyl compound modified inorganic nano particle, (4) 1 to 50 parts of radical ultraviolet initiator, (5) 1 to 100 parts of organosilan, (6) 0 to 200 parts of inorganic reinforcing agent, and (7) 0 to 50 parts of auxiliary agent, wherein the ultraviolet curable organic silicon-acrylic resin is prepared by carrying out ultraviolet curing on the materials, and the solid content thereof is 100 weight percent. The product produced by the invention has the excellent characteristics of firm bonding with metal, glass and plastic materials and electronic devices, good optical property, good elasticity, good weather resistance, safety, non-toxicity, convenient construction and the like, can replace traditional solvent electronic adhesives, and is used for protective coatings, protective adhesives, packaging materials and the like of electronic devices, integrated circuits, printed circuits, LED chips and the like.
Owner:SHANGHAI XIYI NEW MATERIAL SCI & TECHCO

Solar cell module back veneer material

A solar cell module back veneer material comprises a base coat layer having high adhesive strength with EVA, two layers of fluororesin-containing weather resistance coating films and an intermediate polymer basilemma between the two layers of fluororesin-containing resin weather resistance coating films, wherein at least one layer of fluororesin-containing resin weather resistance coating film hashigh light reflection performance, the base coat layer having high adhesive strength with EVA and the weather resistance coating film having high light reflection performance in the coating film arearranged at the side close to a cell sheet in an encapsulated cell module, the fluororesin-containing resin masking liquid has good coating uniformity and good adhesive force with the polymer basilemma, and contains high reflection filler component with the constituents as the follows according to parts by weight: 100 parts of fluororesin-containing resin, 3-20 parts of curing agent, 10-30 parts of high reflection filler, 0.0003-0.0001 part of catalyst, and 50-200 parts of solvent.
Owner:SUZHOU FIRST PV MATERIAL CO LTD

Curing composition

InactiveUS20060135709A1Good rubber physical propertyImprove heat resistancePolymer scienceWeather resistance
The present invention is a curable composition comprising a vinyl polymer having at least one crosslinkable silyl group on average and a compound having an α,β- or α,γ-diol structure in the molecule. The curable composition of the present invention can be used for obtaining a cured product which has superior weather resistance and heat resistance, and good rubber physical properties such as low stress and high elongation therefrom.
Owner:KANEKA CORP

Ultraviolet light cured transfer printing film and preparation method and application thereof

The invention belongs to the field of decorative materials, and particularly relates to an ultraviolet light cured transfer printing film and a preparation method and application thereof. The preparation method comprises the following steps of: uniformly coating or printing a mold release agent on a base load film, and performing infrared curing; uniformly coating or printing an ultraviolet light cured printing ink with a patterning function on a mold release agent layer, and performing curing through ultraviolet irradiation; or uniformly coating or printing an ultraviolet cured protective layer coating with anti-scratching and wear-resistant functions on the mold release agent layer first, then uniformly coating or printing the ultraviolet light cured printing ink with the patterning function on the mold release agent layer after the curing through the ultraviolet irradiation, and performing the curing through the ultraviolet irradiation; and uniformly coating or printing an ultraviolet light cured bottom color coating on an ultraviolet light cured printing ink decorative pattern layer, and performing the curing through the ultraviolet irradiation to obtain the ultraviolet light cured transfer printing film which can be used for producing an ultraviolet light cured transfer printing film decorative board. The ultraviolet light cured transfer printing film has high material strength, and has the advantages of high weathering resistance, high environmental protection, rich colors and patterns, full lacquer film, high hardness, scratch resistance, easy cleaning, noninflammability and the like.
Owner:ZHUHAI DONGCHENG UV MATERIALS

Multi-layer sheet having a weatherable surface layer

A multi-layer sheet and a process for producing the sheet are disclosed. The sheet can comprise a first polymer layer comprising a film of polyvinyl fluoride (PVF) or polyvinylidene fluoride (PVDF) having an adhesive coating on one side; second optionally pigmented polymer layer extruded onto the adhesive coating of the first polymer layer; and optionally a third polymer layer. Also a photovoltaic module comprising a prebonded backskin that comprises the multi-layer sheet.
Owner:PERFORMANCE MATERIALS NA INC

Acicular constituent high strength weathering resistant steel and producing method thereof

The present invention relates to high strength high weather resistance steel with needle structure and its production process, and belongs to the field of low alloy steel making. The present invention adopts very low carbon content to result in normal temperature dissolvability in alpha-Fe not higher than 0.0218 wt%, adds Cu, Cr, Ni, Mo, Nb, Ti, Al, Zr, RE and Ca, and ensures the main structure is needle-like structure for excellent weather resistance. The steel of the present invention is produced by means of hot rolling technology and relaxation-separation control technology and has low production cost and short production period. It has excellent weather resistance, excellent toughness, and excellent weldability needing no preheating before welding and heat treatment after welding, and may be used widely in bridge, building, traffic facility, sea platform, etc.
Owner:武汉钢铁有限公司 +1

Water-borne acrylic type water-proof heat-insulating paint

The invention provides water-borne acrylic water-proof heat insulating paint, which belongs to the field of building materials and can be applied to surfaces of building roofs, metal sheets, ceramic tiles, glazed bricks, decorative tiles and other materials. The invention provides the water-borne acrylic type water-proof heat-insulating paint by using copolymer latex which is cool mixed by elastic acrylic copolymer emulsion, VAE emulsion and an organic silicon water-proof material as a base material, and hollow glass beads in low heat conductivity, hollow ceramic beads and other heat insulating materials, titanium powder, zinc oxide, ultrafine mica and other reflecting materials, and corrosion-resistance blanc fixe, wollastonite and the like as pigments. In the paint, the solar reflectivity is more than or equal to 0.83, the semi-sphere reflectivity is more than or equal to 0.85, weather resistance aging time is 100 hours without fading or pulverizing, and water-proof performance, such as water tightness, low temperature flexibility, tensile strength and the like, can achieve II type product index requirement of JC / T864-2008. Besides the function of decorating materials, the paint has the functions of water proofing and heat insulation.
Owner:CHINA BUILDING MATERIALS ACAD

Packaging material for photovoltaic module and method for preparing packaging material

The invention discloses a packaging material for a photovoltaic module. The packaging material is prepared from the following raw materials in parts by weight: 30-50 parts of fiber cloth woven by adopting a fiber material, and 50-70 parts of extra-weather-resistance polyester powder coating which is prepared from extra-weather-resistance polyester resin and a curing agent, wherein the fiber cloth is uniformly coated with the extra-weather-resistance polyester powder coating. The packaging material has low manufacture cost, can be used for effectively realizing light weight of the packaging material of a photovoltaic module, improving the assembly convenience and reducing assembly cost, and is suitable for large-scale popularization and application in the photovoltaic field. The invention further discloses a method for preparing the packaging material for the photovoltaic module, which realizes arbitrary size change of the photovoltaic module to adapt to the assembly requirement of different constructions, and the assembly application of the photovoltaic module can be further facilitated.
Owner:TIGER DRYLAC TAICANG +1

Exterior wall coating and preparation method thereof

The invention discloses a multifunctional exterior wall coating with strong weather resistance, brushing resistance and high adhesion and a preparation method thereof. The exterior wall coating is prepared from the following raw materials in percentage by weight: 10-30% of silicone acrylic emulsion with a interpenetrating network structure, 10-40% of acrylic ester emulsion, 1-15% of hydrophobically modified inorganic nanoparticles, 10-40% of pigment and filler, 0.3-1% of a dispersing agent, 0.1-0.2% of a defoaming agent, 0.1-0.3% of a preservative, 0.3-0.6% of a flatting agent, 1-2% of a thickening agent, and the balance deionized water. The exterior wall coating of the invention has the advantages of strong weather resistance, brushing resistance, strong adhesion, long service life, simple and convenient preparation process and low equipment requirement, thus being easy for large-scale popularization and application. The exterior wall coating overcomes the defects of poor brushing resistance, poor ageing resistance and the like of the existing exterior wall coating.
Owner:广州市枫源化工有限公司

Coating composition forming wear-resistant coat and article covered with the coat

A coating composition forming a abrasion resistant coating comprising (A) an ultraviolet-curable silicone prepared by chemically modifying particulate colloidal silica with a specific silane compound, (B) a monomer mixture comprising a (meth)acrylate having a specific isocyanate skeleton and a urethane poly(meth)acrylate having an alicyclic skeleton, and (C) a photo-polymerization initiator. By using a urethane poly(meth)acrylate having an alicyclic skeleton as part of the component (B) and the component (A) having an enhanced reactivity of chemical modification, the compatibility of the component (A) with the component (B) is improved to give a cured coating with excellent wear resistance, weather resistance and durability.
Owner:MITSUBISHI RAYON CO LTD

Modified, weather resisting polypropylene material

This invention discloses a modified polypropylene material used as elements of home appliances, such as outdoor hulls of air-conditioners and panels of automobiles. The modified polypropylene material comprises: polypropylene resin 65-85 wt.%, toughening modifier 1-18 wt.%, mineral reinforcer 0-25 wt.%, coupler 0.1-0.8 wt.%, processing auxiliary 0.2-2 wt.%, photostabilizer 0.2-2 wt.% and colorant 0.1-1.5 wt.%. Compared with present polypropylene material, the modified polypropylene material has improved weathering resistance and anti-aging property.
Owner:CGN JUNER NEW MATERIALS

Flexible, super durable powder coating composition

Powder coatings having good impact resistance and weatherability characteristics are produced with an isophthalic acid-based polyester and an isocyanate-based curing agent.
Owner:BAYER MATERIALSCIENCE AG

Compound epoxy flooring coating and preparation method thereof

The invention relates to compound epoxy flooring coating adopting the mixture of epoxide resin and modified resin as a base material and further comprising organic solvent, dispersant, wetting agent, antifoaming agent, flatting agent, scratch resistance agent, pigment and stuffing as well as reactive diluent selected according to requirements. When in use, the coating is mixed and solidified withthe components of firming agent, accelerant, etc. By regulating the content of the components, the compound epoxy flooring coating of the invention can be used for manufacturing a solvent or solvent-free autolevelling epoxy floor. The compound epoxy flooring coating of the invention has favorable over-all properties, and not only has the characteristics of high mechanical strength, favorable anti-corrosion property, high adhesive force and good wear resistance property of the epoxide resin but also has the characteristics of good weather resistance, high decorative property and hardness and shock resistance of the modified resin; and the preparation method thereof is simple and practicable, is low-cost, and is suitable for mass preparation.
Owner:北京红狮科技发展有限公司

Light emitting device

The invention aims to provide a light emitting device comprising a base material or protective member which has improved light transmittance, heat resistance, passivation (gas barrier, oligomer release prevention and minimized outgassing), anti-water or moisture-absorption, stability against chemical degradation, dimensional and shape stability, anti-surface-reflection, electrical insulation, UV degradation resistance, and weather resistance, and is highly productive due to possible film formation under atmospheric pressure, and hence, a light emitting device featuring high reliability, ease of manufacture and low cost. The object is attained by a light emitting device comprising a base material (1) having flexibility, light transparency and heat resistance, a lower electrode (4) having light transmittance, a light emitting layer (4), and an upper electrode (4) formed on the base material, the device further comprising a silica film and / or a siliceous film (3) which is formed on the substrate side as viewed from the light emitting layer (4) or on opposite sides of the substrate by applying polysilazane and subjecting it to oxidative treatment.
Owner:FUTABA CORPORATION

Hydroxy acrylic resin aqueous dispersion and water-based coating prepared therefrom

The invention discloses a method for preparing a hydroxy acrylic resin aqueous dispersion and the hydroxy acrylic resin aqueous dispersion prepared by the same and water-based coating using the hydroxy acrylic resin aqueous dispersion as a film forming matter. The hydroxy acrylic resin aqueous dispersion is prepared by a step free radical solution polymerization process and obtains a nucleus-shell structure by using an initiator of a specific type and a chain transfer agent and by a high-temperature polymerization reaction. The nucleus has weak hydrophilicity and no carboxyl, and the shell has a strong hydrophilicity and is rich in carboxyl, so stable storage can be realized. The obtained hydroxy acrylic resin aqueous dispersion has the characteristics of low solution content, high solid content and low viscosity. The coating prepared from the hydroxy acrylic resin aqueous dispersion and a water-based amino resin or a water-based polyurethane cross-linking agent has the characteristics of high brightness, good water resistance and excellent weather resistance. The hydroxy acrylic resin aqueous dispersion can be used for preparing an excellent base material of high-performance environment-friendly industrial protective coatings and widely applied to topcoats and primer-topcoat coatings in various fields.
Owner:LANGFANG JINHUILI INDAL PAINT
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