Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

57results about How to "Good water and weather resistance" patented technology

Plastic lens and method production thereof

The present invention includes a plastic lens having a plastic lens base material, a primer layer formed on the plastic lens base material, and a hard coat layer formed on the primer layer, the hard coat layer being formed from a hard coat composition having (A) an inorganic fine particle having a particle diameter of 1 to 100 millimicrons, (B) an organic silicon compound expressed in terms of a specified Formula (1), (C) a multi-functional epoxy compound, and (D) a curing catalyst. Such a plastic lens is excellent in shock impact resistance by including the primer layer and also shows improvements in scratch resistance, water resistance, and permanence properties while keeping the coloring properties of the hard coat layer of a colorable type.
Owner:SEIKO EPSON CORP

Coated silicate fluorescent powder and film-coating method thereof

The invention discloses coated silicate fluorescent powder. According to the invention, an inner core adopts silicate fluorescent powder and coated with an inner shell layer and an outer shell layer, the inner shell layer adopts SiO2, and the outer shell layer adopts Al2O3. The invention further provides a film-coating method of the silicate fluorescent powder. The method comprises the following steps: (1) mixing fluorescent powder and SiO2 according to the mass ratio of (10-20):1, dry grinding and sieving; (2) placing the sieved powder in a fluidized bed reactor, and feeding N2 to enable the powder to suspend in the fluidized bed reactor; (3) mixing trimethylaluminum with N2, and feeding the mixture in the reactor, wherein the mass of the trimethylaluminum is 0.3-2% of that of the fluorescent powder; (4) feeding O2 containing O3 at 170-200 DEG C, and reacting for 1-2 h. According to the invention, the method is simple, the controllability is high, and the thickness of a film can be accurately controlled; the luminance of fluorescent powder can be improved through SiO2 coating , and the strength and the adhesive force of the film can be improved through Al2O3 coating, so that the water-tolerant and weather-resisting properties of fluorescent powder can be effectively improved, the luminescence property of fluorescent powder is optimized, and the service life of fluorescent powder is prolonged.
Owner:QIDONG CHUANGLYU GREENING ENG CO LTD

Modified stannic oxide sol, stannic oxide-zirconium oxide composite sol, coating composition and optical element

It is to provide a sol useful as a component of a hard coating agent to be applied on the surface of a plastic lens or useful for other applications, and its production process. A sol containing modified metal oxide particles which comprise, as nuclei, colloidal particles (A) being stannic oxide particles or composite particles comprising stannic oxide particles and zirconium oxide particles, containing these oxides in a weight ratio of ZrO2:SnO2 of from 0:1 to 0.50:1 and having particle sizes of from 4 to 50 nm, and as a coating covering the surface of the nuclei, alkylamine-containing Sb2O5 colloidal particles, an oligomer thereof or a mixture thereof (B1), or composite colloidal particles comprising diantimony pentaoxide and silica, an oligomer thereof or a mixture thereof (B2), in a weight ratio of (B) / (A) of from 0.01 to 0.50 based on the weights of the metal oxides, and have particle sizes of from 4.5 to 60 nm. A coating composition containing a silicon-containing substance and the above particles. An optical element covered with the coating composition.
Owner:NISSAN CHEM IND LTD

EVA (Ethylene-Vinyl Acetate) composite emulsion type low temperature-resistant and environmentally-friendly all-purpose adhesive and preparation method thereof

The invention discloses an EVA (Ethylene-Vinyl Acetate) composite emulsion type low temperature-resistant and environmentally-friendly all-purpose adhesive and a preparation method thereof, belonging to the field of water-based adhesives. The invention adopts the technical scheme that an EVA emulsion is modified by utilizing a rosin tackifying resin emulsion and a polyurethane emulsion together to prepare the EVA emulsion all-purpose adhesive. The all-purpose adhesive comprises the following components in parts by weight: 65-80 parts of EVA emulsion, 5-15 parts of rosin tackifying resin emulsion, 5-15 parts of polyurethane emulsion and the balance of auxiliary agent, wherein the auxiliary agent comprises an antifreeze agent, a plasticizer, a mildew-proof agent, a wetting agent and a pH regulator. When making, the preparation method comprises the following steps of: adding the EVA emulsion to a dispersion kettle with a stirrer, and uniformly stirring; adding the polyurethane emulsion, and stirring and mixing for 1.0-1.5h; then adding the rosin tackifying resin emulsion, the plasticizer of dibutyl phthalate, the antifreeze agent of glycol, the mildew-proof agent of Kathon and the wetting agent, and stirring and uniformly mixing; adding the pH regulator, such as ammonia water or triethylamine to regulate pH value to be 4.5-5.5, and filtering and discharging. The obtained all-purpose adhesive has indexes which reach or exceed common white latexes, convenient use and wide applicability, and can be widely used for architectural decoration, furniture making, cases, and the like and used at normal temperature but also at the low temperature from 5 DEG C to 5 DEG C below zero.
Owner:东莞市山力高分子材料科研有限公司

Graphene waterborne industrial coating and preparation method thereof

InactiveCN105670474AImprove water and weather resistanceImprove wear resistance, heat resistance and aging resistanceConjugated diene hydrocarbon coatingsAnti-corrosive paintsDefoamerEmulsion
The invention relates to the field of chemical engineering, in particular to a graphene waterborne industrial coating and a preparation method thereof.The graphene waterborne industrial coating comprises emulsion, graphene water dispersion liquid, an ammonia neutralization agent, an antifoaming agent, a wetting agent, a flatting agent, colour paste, a thickening agent and water.The preparation method includes the steps that the emulsion and the graphene water dispersion liquid are added into a mixing kettle to be stirred till all materials are mixed to be uniform, and the mixture is obtained; the antifoaming agent, the wetting agent, the flatting agent and the colour paste are added in sequence, the mixture is stirred continuously till the mixture is mixed to be uniform, the water, the ammonia neutralization agent and the thickening agent are added slowly and stirred to be uniform, and a finished product of the graphene waterborne industrial coating is obtained.Through high stability and high strength capacity of the grapheme, abrasive resistance and hardness of the whole system are improved; meanwhile, the grapheme has excellent electrical conductivity, and electrochemical corrosion can be effectively relieved; a protection membrane can be formed due to the structural characteristics of the grapheme, and the abrasive resistance of the waterborne industrial coating is further improved.
Owner:QINGDAO REALEADER ADVANCED MATERIALS TECH

Production method for fireproof, flame-resistant, medium-density fiber closet plate

The invention discloses a production method for a fireproof, flame-resistant, medium-density fiber closet plate. The method comprises the steps of (1) preprocessing of raw materials, (2) screening, (3) steaming and boiling for softening, (4) grinding, (5) sizing and drying, (6) prepressing, (7) hot pressing, (8) sawing and sanding, (9) veneering and hot pressing and (10) edge cutting. In this way,a finished product is obtained. The method disclosed by the invention is characterized in that eucalyptus barks and branches and waste leftover bits and pieces left after panel manufacture are takenas main raw materials, other miscellaneous wood is added and waste is recycled, so wood resources can be utilized fully and effectively; and modified paraffin and flame-resistant urea-formaldehyde resin adhesive are added, so resistance of the product to fire and flame is greatly enhanced. The medium-density fiber cabinet plate is highly resistant to fire, flame and water and low in the content offormaldehyde, so the product is a safe and environment-friendly closet plate.
Owner:广西横州丽冠环保材料有限公司

Aqueous microencapsulated fireproof paint for ultrathin steel structure

The invention discloses an aqueous microencapsulated fireproof paint for an ultrathin steel structure. The fireproof paint is prepared from an aluminum hypophosphite microcapsule, an ammonium polyphosphate microcapsule, pentaerythritol, melamine, hydroxyethyl cellulose, an antifoaming agent, a dispersant, aqueous styrene-acrylic emulsion with a core-shell structure, and water. The aluminum hypophosphite microcapsule is wrapped by modified urea melamine formaldehyde resin, the problems that aluminum hypophosphite is easily decomposed and the coating can be cracked easily are solved; the thermalstability of aluminum hypophosphite is improved, the water absorbing performance is reduced; the efficient synergetic effect between the ammonium polyphosphate microcapsule and the aluminum hypophosphite microcapsule is utilized to greatly improve the fireproof performance of the fireproof paint; the fuming amount of the fireproof paint is largely reduced, the problem that ammonium polyphosphateis easily hydrolyzed, migrated, and precipitated in a damp environment is solved; and the provided fireproof paint has the advantages of efficient fireproof performance, good smoke inhibiting performance, excellent film forming property, excellent waterproof performance, good weatherability, environmental friendliness, and simple preparation, and is suitable for popularization and application.
Owner:WUHAN INSTITUTE OF TECHNOLOGY

Production method of fireproof and flame-retardant type medium-density fiber wood floor

The invention discloses a production method of a fireproof and flame-retardant type medium-density fiber wood floor. The production method comprises the steps of (1) pretreatment of raw materials; (2)screening; (3) stewing softening operation; (4) grinding operation; (5) glue application and drying; (6) pre-pressing operation; (7) hot-pressing operation; (8) sawing and sanding; (9) glue coating and veneering hot-pressing operation; and (10) preservation and grooving, so that the finished product is obtained. According to the production method, the eucalyptus bark, branches and waste leftovermaterials which remain after board manufacturing is accomplished are used as main raw materials, then other miscellaneous trees are added, the waste is turned into the wealth, and therefore the sufficient and effective utilization of timber resources can be achieved; and due to the fact that modified paraffin and flame-retardant urea-formaldehyde resin adhesives are added, the fireproof and flame-retardant performance of the wood floor can be greatly improved, and the produced medium-density fiber wood floor is excellent in fireproof and flame-retardant performance, good in water resistance and low in formaldehyde content, and is a safe, environmentally friendly and durable wood floor.
Owner:广西横州丽冠环保材料有限公司

Production method of weather-proof, low-aldehyde and medium-density fiber office table special board

InactiveCN109203172AConducive to alleviating the contradiction between supply and demandLow water resistanceFlat articlesDomestic articlesWeather resistanceSizing
The invention discloses a production method of a weather-proof, low-aldehyde and medium-density fiber office table special board. The method comprises the following steps: (1) pretreating raw materials, (2) screening, (3) cooking and softening, (4) grinding, (5) sizing and drying, (6) pre-pressing, (7) hot pressing, (8) sawing and sanding, (9) veneering hot pressing, and (10) edge cutting. In thisway, a finished product is obtained. According to the invention, eucalyptus barks, branches and waste leftover materials left in the manufacturing process are taken as main raw materials. Meanwhile,other miscellaneous wood is added, so that the full and effective utilization of wood resources can be realized. The modified paraffin and the weather-proof urea-formaldehyde resin adhesive are added,and the production process is strictly controlled. As a result, the waterproof and weather-proof performance is greatly improved and the board is low in formaldehyde content. The prepared medium-density fiber wardrobe special board is environment-friendly, low in formaldehyde content and excellent in weather resistance. Therefore, the board is a safe, environment-friendly and low-formaldehyde-content office table special board.
Owner:广西横州丽冠环保材料有限公司

Production method of dedicated fireproof flame-retardant medium-density fiber cabinet board

The invention discloses a production method of a dedicated fireproof flame-retardant medium-density fiber cabinet board. The production method comprises the following steps: (1) raw material pretreatment; (2) sieving; (3) softening through stewing; (4) grinding; (5) gluing and drying; (6) prepressing; (7) hot-pressing; (8) sawing and sanding; (9) veneering hot-pressing; and (10) edge cutting, thereby obtaining the finished product. Eucalyptus bark, branches, and waste leftover materials left in plate manufacturing are used as main raw materials, and other weedtrees are added, so that waste isturned into wealth, and timber resources are sufficiently and effectively utilized; modified paraffin and a flame retardant urea resin adhesive are added, so that the fire resistance and the flame retardation performance are greatly improved, and the manufactured dedicated medium-density fiber cabinet board is high in fire resistance and the flame retardation performance, high in water resistance,and low in formaldehyde content, and is a safe and environmental-friendly dedicated cabinet board.
Owner:广西横州丽冠环保材料有限公司

Energy-storage luminous negative-ion water-based interior wall coating and preparation method thereof

The invention relates to the technical field of coatings, in particular to an energy-storage luminous negative-ion water-based interior wall coating. The coating comprises the following components: negative ion powder, luminous powder, a film forming agent, deionized water, a dispersing agent, a thickening agent, a defoaming agent, a preservative, an antifreezing agent, titanium dioxide, calcium carbonate, talcum powder and bentonite. The preparation method comprises the following steps: firstly, adding the film forming agent, deionized water and the dispersing agent into a stirring kettle, and carrying out stirring; then, adding the thickening agent, and carrying out stirring; when the thickening agent is completely dissolved, sequentially adding the negative ion powder, the luminescent powder, titanium dioxide, calcium carbonate, talcum powder and bentonite, and carrying out stirring at a high speed; and finally, adding the defoaming agent, the preservative and the antifreezing agent, carrying out stirring at a high speed, and then carrying out stirring at a low speed to complete preparation of the coating. According to the energy-storage luminous negative-ion water-based interior wall coating and the preparation method thereof, the coating has the functions of energy storage luminescence and negative ion release, and can achieve composite effects of illumination, energy conservation and air purification.
Owner:嘉兴凤翼特种材料科技有限公司

Method for producing fireproof flame-retarding medium-density fiber plate special for office table

The invention discloses a method for producing a fireproof flame-retarding medium-density fiber plate special for an office table. The method comprises the steps of (1) raw material treatment, (2) screening, (3) steaming and softening, (4) grinding, (5) sizing and drying, (6) pre-pressing, (7) hot pressing, (8) sawing and sanding, (9) facing hot pressing and (10) edge cutting. According to the method, eucalyptus bark, branches and scraps left after plate manufacturing are adopted as main raw materials, other miscellaneous trees are added, waste is turned into wealth, and full and effective utilization of timber resources can be achieved. Modified paraffin and an inflaming retarding urea-formaldehyde resin adhesive are added, so that the fireproof flame retarding performance is greatly improved; and the manufactured medium-density fiber plate special for the office table is good in fireproof and flame retarding performance, good in water resistance, low in formaldehyde content, safe andenvironment-friendly.
Owner:广西横州丽冠环保材料有限公司

Anti-static flame-retardant composite fabric and preparation method thereof

The invention discloses anti-static flame-retardant composite fabric and a preparation method thereof. The anti-static flame-retardant composite fabric comprises a first fabric layer, a second fabriclayer, an electric conducting layer and a flame-retardant layer. The second fabric layer is positioned above the first fabric layer. The first fabric layer and the second fabric layer adopt comfortable ventilating fabric. The electric conducting layer is between the first fabric layer and the second fabric layer. The flame-retardant layer is positioned on an outermost layer of the fabric, and theouter surface of the second fabric layer is coated by the flame-retardant layer. The preparation method is capable of, through blending natural silks and ice silks, forming the first fabric layer andthe second fabric layer, wherein the fabric is soft in texture and has good air permeability; through alternately spinning graphite fibers and acetate fibers, forming a fiber net, and forming the electric conducting layer to connect the first fabric layer and the second fabric layer, wherein the air permeability of the fabric is guaranteed, and the fabric has excellent electrical conductivity; andthrough an adhesive, coating on the second fabric layer by flame-retardant paint so as to form the flame-retardant layer, thereby forming the anti-static, flame-retardant, ventilating and comfortablefabric.
Owner:安徽劲派新材料科技有限公司

Production method of weather-proof low-formaldehyde medium-density fiber wardrobe special board

The invention discloses a production method of a weather-proof low-formaldehyde medium-density fiber wardrobe special board. The preparation method comprises the following steps of (1) pretreating rawmaterials, (2) screening, (3) cooking and softening, (4) grinding, (5) applying adhesives and drying, (6) pre-pressing, (7) hot pressing, (8) sawing and sanding, (9) veneering and hot pressing, and (10) edge cutting to obtain a finished product. According to the production method, eucalyptus barks and branches and waste leftover materials left in the board manufacturing process are taken as the main raw materials, other miscellaneous wood is added, waste is changed into things of value, so that full and effective utilization of the wood resources can be realized; modified paraffin and the weather-proof urea-formaldehyde resin adhesives are added, the production process is strictly controlled, so that the waterproof and weather-proof performance is greatly improved, the formaldehyde content is low, the medium-density fiber wardrobe special board is prepared, the prepared medium-density fiber wardrobe special board has the advantages of being environmentally friendly, low in formaldehyde and good in weather resistance, and is a safe, environment-friendly and low-formaldehyde wardrobe special board.
Owner:广西横州丽冠环保材料有限公司

Coated silicate fluorescent powder and film-coating method thereof

The invention discloses coated silicate fluorescent powder. According to the invention, an inner core adopts silicate fluorescent powder and coated with an inner shell layer and an outer shell layer, the inner shell layer adopts SiO2, and the outer shell layer adopts Al2O3. The invention further provides a film-coating method of the silicate fluorescent powder. The method comprises the following steps: (1) mixing fluorescent powder and SiO2 according to the mass ratio of (10-20):1, dry grinding and sieving; (2) placing the sieved powder in a fluidized bed reactor, and feeding N2 to enable the powder to suspend in the fluidized bed reactor; (3) mixing trimethylaluminum with N2, and feeding the mixture in the reactor, wherein the mass of the trimethylaluminum is 0.3-2% of that of the fluorescent powder; (4) feeding O2 containing O3 at 170-200 DEG C, and reacting for 1-2 h. According to the invention, the method is simple, the controllability is high, and the thickness of a film can be accurately controlled; the luminance of fluorescent powder can be improved through SiO2 coating , and the strength and the adhesive force of the film can be improved through Al2O3 coating, so that the water-tolerant and weather-resisting properties of fluorescent powder can be effectively improved, the luminescence property of fluorescent powder is optimized, and the service life of fluorescent powder is prolonged.
Owner:QIDONG CHUANGLYU GREENING ENG CO LTD

Aqueous dispersion

The invention provides an aqueous dispersion which includes i) an aqueous dispersion (I) resulting from dispersion of a block copolymer (I) composed of at least one polymer block (A) containing olefin monomer units and at least one polymer block (B) containing 2 to 100 mole percent of units derived from at least one vinyl monomer having a carboxyl or carboxylic anhydride group and 98 to 0 (zero) mole percent of units derived from another vinyl monomer or monomers copolymerizable with the carboxyl group- or carboxylic anhydride group-containing vinyl monomer, in an aqueous solution of not less than 0.05 equivalent, relative to the carboxyl or carboxylic anhydride group, of a basic substance, and ii) a polyurethane (II), iii) vinyl polymer (III) or iv) tackifier (IV) incorporated in the aqueous dispersion (I). The aqueous dispersion of the invention has excellent adhesiveness to various substrates and stability, and gives a coating layer having excellent weather resistance, water resistance and resistance to solvent attack. The aqueous dispersion of the invention is particularly useful as a coating composition and / or a primer.
Owner:KURARAY CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products