933 results about "UV coating" patented technology

Roofing granules include a core having an average ultraviolet transmission of greater than sixty percent and an average near infrared reflectance of greater than sixty percent and a UV coating layer on the exterior surface. The coating provides UV opacity, while the core provides near infrared reflectance.

The present invention relates to one kind of ultraviolet cured paint for plastics and its production process. The paint includes matrix resin, active diluent, light initiator and solvent and features its antiwear hardness additive accounting for 0.1-8.0 wt% of the paint. The paint has high hardness, high antiwear performance, forms smooth paint coating through spraying, high toughness, high adhesion and high chemical corrosion resistance.

The invention relates to organic-inorganic hybrid ultraviolet cured paint for metal surface protection. The paint comprises the following components in percentage by weight: 10 to 25 percent of epoxy modified silicon dioxide gel-resin, 15 to 30 percent of bisphenol-A epoxy acrylic ester, 5 to 15 percent of urethane acrylate, 35 to 45 percent of reactive diluent, 2 to 5 percent of toughener, 4 to 6 percent of photoinitiator, 0.5 to 0 percent of addition agent, wherein the epoxy modified silicon dioxide gel-resin is prepared by hydrolyzing a mixture of ethyl orthosilicate and gamma-glycidoxy propyl trimethoxy silane by a sol-gel method first and then adding diethylenetriamine. The paint film formed after the curing of paint has good strength, hardness, flexibility and strong acid and base resistance. The invention solves the problems that the organic-inorganic hybrid paint has high requirement on curing and common ultraviolet cured paint has poor adhesive force and flexibility when cured on metal base materials.

The present disclosure relates to a limited play optical storage media and a method for limiting access to data thereon. This storage media comprises: an optically transparent substrate; a reflective layer; a data storage layer disposed between said substrate and said reflective layer; an oxygen penetrable UV coating disposed on a side of said substrate opposite said data storage layer; and a reactive layer disposed between said UV coating and said substrate, said reactive layer having an initial percent reflectivity of about 50% or greater and a subsequent percent reflectivity of about 45% or less.

The invention discloses an ultraviolet (UV) curing paint and a preparation method and application thereof. The preparation method comprises the following steps: weighting modified SiO2 sol to place in a container, adding water-soluble UV-cured resin, solvent and additive in turn, stirring for 10min, then adding photoinitiator, and stirring for 5min to obtain the UV curing paint, wherein the contents of the water-soluble UV-cured resin, the solvent, the additive and the photoinitiator are 10-60%, 7-33%, 0.1% and 2% respectively. The UV curing paint prepared by the method of the invention has the advantages of inorganic materials such as high hardness, high wear resistance, scratch resistance and good thermal stability and also has the advantages of organic materials such as adhesivity and relative flexibility; and the UV curing paint is suitable to be used as the protective coatings on the surfaces of all kinds of optical plastic products such as polyester which contains polycarbonate, polymethylmethacrylate, polyethylene terephthalate (PET) and the like. By adopting the UV curing paint of the invention, the defects of the existing UV curing paint in the aspects of hardness, wear resistance, scratch resistance and light transmittance, can be overcomed to a certain extent.

The invention belongs to the field of coatings, and particularly relates to a polyurethane/polyacrylate copolymer modified by organic fluoride and an ultraviolet curing coating prepared by the polyurethane/polyacrylate copolymer. A method for preparing the polyurethane/polyacrylate copolymer modified by organic fluoride comprises the following steps: 1), preparing a polyurethane prepolymer modified by organic fluoride; 2), preparing a (methyl) acrylate prepolymer; and 3), preparing the polyurethane/polyacrylate copolymer modified by organic fluoride. A method for preparing an ultraviolet curing agent by taking the polyurethane/polyacrylate copolymer modified by organic fluoride as a raw material comprises the steps that taking 100-107 parts of polyurethane/polyacrylate, 50-68 parts of an reactive diluent, 13-18 parts of a photoinitiator and 8-16 parts of an auxiliary; stirring fully for 5-15 minutes until all the materials are mixed uniformly; and obtaining the polyurethane/polyacrylate copolymer modified by organic fluoride and the ultraviolet curing coating prepared by the polyurethane/polyacrylate copolymer.

The present invention provides reactive surfactants of the formula

R₁O—(CH₂CHR₂O)_x—(CH₂CH₂O)_y—(CH₂CHR₃O)_z—R₄

where R₁ is either alkyl, aryl, alkylaryl, or aralkylaryl of 8-30 carbon atoms, R₂ is —CH₂OCH₂CH═CH₂ (AGE); R₃ is either H, CH₃, or CH₂CH₃; R₄ is H or —SO3M or —PO3M where M is H or K, Na, NH4, NR4, alkanolamine, or other cationic species and x=2-100; y=4-200 and z=0-50.

Disclosed herein is a back-grooved laminate wood flooring in which a wood veneer of high pressure resin impregnation laminate (WPL) is laminated on a base selected from a vinyl chloride (PVC) resin layer, on oriented strand board (OSB), a high-density fiberboard (HDF) and a waterproof plywood. More specifically, the back-grooved laminate wood flooring comprises a WPL (20), an adhesive layer (40) and a base (10) (a polyvinyl chloride resin layer, OSB, HDF or waterproof plywood) wherein the WPL (20) includes a base-reinforcing layer (24), a natural veneer layer (23), a resin-impregnated overlay layer (22) and a surface UV coating layer (21) layered in this order from the bottom. The back-grooved laminate wood flooring further exhibits excellent soundproofing performance.

The invention relates to an organic silicon-modified water-based UV (ultraviolet) coating and a preparation method thereof, and belongs to the technical field of environment-friendly coatings. The organic silicon-modified water-based UV coating comprises the following components in percentage by mass: 30 to 55 percent of organic silicon-modified hyperbranched water-based urethane acrylate, 20 to 50 percent of filler, 1 to 10 percent of photoinitiator, 0 to 3 percent of auxiliaries and 5 to 30 percent of water. The preparation method comprises the following steps: fully grinding the organic silicon-modified hyperbranched water-based urethane acrylate, the filler and water in a proportion, performing dispersion for 1 to 2 hours at 40 to 50 DEG C at a rotating speed of 400 to 600rpm, adding the photoinitiator and the auxiliaries, and uniformly stirring and standing a mixture to obtain the water-based UV coating. The coating is environment-friendly, nontoxic, high in curing speed, stability, aging resistance, solvent resistance, adhesive power and abrasion resistance and suitable for a plurality of coating modes and production requirements, and can be widely applied to the surfaces of automobiles, electronic products, ships, furniture and packaging printing materials.

A diffuser is provided in an illumination system, where the diffuser is capable of blocking significant amounts of infrared (IR) and/or ultraviolet (UV) radiation. In certain example embodiments of this invention, the diffuser includes a glass substrate which supports an IR/UV coating(s) that blocks significant amounts of IR and/or UV radiation thereby reducing the amount of IR and/or UV radiation which can makes its way through the diffuser. In certain example embodiments, the coating may include particulate in a frit matrix so that the coating may both diffuse visible light and perform IR and/or UV blocking.

The invention relates to an organosilicon-modified polyurethane-acrylic ester photocurable coating and a preparation method thereof. The photocurable coating comprises the following components in percentage by weight: 25 to 60 percent of polyurethane-acrylic ester, 20 to 55 percent of organic polysilane, 5 to 15 percent of solvent, 1 to 5 percent of photoinitiator and 0.05 to 4.5 percent of aid. The preparation method comprises the following steps of: weighing the organic polysilane according to the amount of a formula, putting into a container, sequentially adding a polyurethane-acrylic ester photocurable resin, the solvent and the aid, mixing uniformly, adding the photoinitiator, stirring uniformly to obtain an ultraviolet-photocurable coating, and preserving in a dark place. The ultraviolet-photocurable coating composition can be coated on base materials such as plastics, metals, glass and the like; a coating subjected to ultraviolet photocuring has excellent wear resistance and mechanical properties; and meanwhile, the coating has excellent adhesion, water resistance, salt fog resistance and alkali resistance.

The invention relates to a method for preparing a nontoxic visible ultraviolet and heat insulation UV coating for food packaging and belongs to a composite material for packaging and the field of a photocuring technology. The invention relates to a white carbon black and metal doped tin oxide nanometer powder body composite ultraviolet photo-cured coating which can improve the capacity of ultraviolet insulation and heat insulation; the coating mainly comprises a photosensitive oligomer, an active thinner, a light evocating agent, white carbon black and metal doped tin oxide, a filler and an additive. The UV coating material has innocuity and harmlessness, can obstruct ultraviolet light of over 97 percent and infrared light of over 80 percent in daylight, has functions of transparence, heat insulation, sterilization and uneasy gleization, is in particular suitable for a visible plastic food packaging bag, a transparent polyester food vessel and the like, is convenient to keep food fresh and store food, prolongs guarantee period of food and reduces the deterioration and waste of food. The UV coating is not added with an organic solvent, is favorable for environmental protection, and has convenient construction and obvious environmental, social and economic benefits.

The invention discloses a thermochromic water-based UV coating which comprises the following components in percentage by mass: 30-60 percent of a water-based resin, 5-25 percent of a reactive diluent, 1-5 percent of a photoinitiator, 0.5-10 percent of a thermochromic material, 0.05-1 percent of a wet flatting agent, 0.05-2 percent of a thickening agent, 0.1-5 percent of an emulsifier, 0.1-2 percent of a defoaming agent, 0-8 percent of a coalescing agent and 25-60 percent of deionized water. The invention also discloses a method for preparing the thermochromic water-based UV coating. According to the thermochromic water-based UV coating provided by the invention, microcapsules do not need to be prepared in advance, the preparation process is simple and convenient, and large-scale industrial production is facilitated.

The invention discloses a manufacture process of an imitation stainless steel metal drawbench film, which comprises the following steps: 1 taking a base film which is a polyester (PET) film; 2 conducting surface drawbench and surface polishing one surface of the base film; 3 conducting surface corona and conducting corona processing on two surfaces of the base film, 4 conducting precoat coating and conducting network roller coating on the surface of the base film receiving surface drawbench and corona processing through methyl methacrylate coating, 5 conducting media layer coating and conducting network roller coating on a precoat through acrylic coating, 6 conducting vacuum aluminizing on the media layer, 7 conducting ultraviolet (UV) coating coating and conducting network roller coating on one face of the base film without surface drawbench through colored translucent UV coating, and 8 conducting protection layer coating and preventing an aluminizing layer from being oxidized. The manufacture process improves product structure firmness, and ensures optimum using effects of products. The products can show different gloss effects from dumb light to high light, thereby meeting requirements for environment protection.

The invention relates to a urethane acrylate waterborne UV coating and a preparation method thereof; the urethane acrylate waterborne UV coating comprises the following components according to the parts by weight: 5-25 parts of polyether acrylate, 10-60 parts of urethane acrylate, 2-5 parts of photoinitiator, 0.05-0.5 part of defoaming agent, 0.05-0.5 part of wetting agent and 40-80 parts of deionized water; the preparation method comprises the following steps: weighting each component according to the proportion by weight, then mixing polyether acrylate and urethane acrylate to prepare a mixture, then adding photoinitiator, defoaming agent, wetting agent and waterborne mildewproof agent in the mixture, stirring for 0.5-2h, then slowly dripping deionized water by phase inversion method to disperse the solution and obtaining stable emulsion, wherein, the dripping time of deionized water is 1-3h. The invention is characterized by small investment, simple process, environmental friend and non-toxic, excellent film performance, remarkable economic and social benefits and good market application prospect.

The invention provides water-based anti-dazzle UV coating. The water-based anti-dazzle UV coasting comprises, by weight, 30-90 parts of waterborne polyurethane urethane acrylate prepolymer, 10-60 parts of diluting monomers, 5-100 parts of anti-dazzle particles, 0.05-10 parts of waterborne wetting dispersant, 0.05-5 parts of waterborne flatting agents, 1-20 parts of water, 0.5-10 parts of waterborne photoinitiator and 1-30 parts of waterborne isocyanate curing agents. The water-based anti-dazzle UV coating is water-based coating and is environmentally friendly, waterborne isocyanate curing agents are matched with the waterborne polyurethane urethane acrylate prepolymer and the diluting monomers, and the overall abrasion resistance of a coating obtained after the water-based anti-dazzle UV coating is cured can be obviously improved. The invention further provides a hard coated film and a preparation method of the hard coated film. An experimental result indicates that the rigidity of the hard coated film formed by the coating is 3 H, and no scratch is generated even though the hard collated film is rubbed by 1,000 g of loads 20 times.

Disclosed herein is a UV surface-coated laminate wood flooring for an under-floor heating system comprising a back-grooved base, an adhesive layer and a printed wood veneer layer wherein the printed wood veneer layer is produced by impregnating and coating a low-basis weight printed paper with a thermoplastic or thermosetting resin, integrally forming the paper layer with a low-price reinforcing layer by pressing under high pressure, treating the surface of the paper layer with an acryl based primer, and coating the primer-treated paper layer with a solvent-free type UV coating paint, and wherein the back-grooved base and the printed wood veneer layer are adhered to each other by the adhesive layer.

The invention specifically relates to an antistatic abrasion-resistant UV coating and a preparation method thereof, and belongs to the field of materials. The antistatic abrasion-resistant UV coating comprises the following components in percentage by mass: 5 to 35 percent of multifunctional polyurethane acrylate, 15 to 45 percent of epoxy acrylate, 10 to 40 percent of reactive diluent, 2 to 12 percent of photoinitiator, 0.5 to 3 percent of other additives, 5 to 25 percent of conductive nano-attapulgite powder, and 0.05 to 0.5 percent of silane coupling agent. The coating of the invention has an appearance of white liquid or light yellow liquid; the surface resistance of a coat prepared by the coating of the invention is 4.8*10<6> to 6.5*10 <8> ohms; the 100-revolution weight loss in the Taber abrasion resistance test is 0.0045 to 0.0075 gram; and the surface hardness is more than or equal to 3 H; and the coating does not change after dipping in 5 percent sodium hydroxide for 24 hours. The antistatic abrasion-resistant UV coating of the invention has the advantages of simple preparation, low cost, convenient use, good effect and wide application prospect.

The invention discloses au uv-curing coatings. It comprises main resin, diluting agent and light initiator, addictive or not. The coating also comprises hydroxy acrylate and isocyanate curing agent, which will solidify into membrane when heated at 60 Deg. C, the membrane enables the hardness and wear resistance of paint membrane to meet the demand, then cures the main resin under low UV light radiation.

The invention discloses a stone plastic floor and a processing method thereof. The stone plastic floor consists of a bottom layer serving as a supporting main body, a surface layer bonded on the top face of the bottom layer, and an ultraviolet (UV) coating layer bonded on the surface layer, wherein the bottom layer is formed by mixing polyvinyl chloride resin and marble powder; the surface layer is a solid wood veneer; and the UV coating layer comprises an aqueous color addition primer, a UV sanding primer, a UV abrasion-proof finishing paint, a first UV curtaining finishing paint and a second UV abrasion-proof finishing paint from inside to outside in turn. Different functions are realized through performance characteristics of different layers, so that the stone plastic floor has the advantages of light weight, high abrasion resistance, high pressure resistance and impact resistance, good foot feeling, environment friendliness and energy conservation, can be recycled, fully meets a use requirement of the modern society on decorative materials and has a wide application range.

The invention discloses an antibacterial ultraviolet-curable coating, which comprises the following components in percentage by mass: 40 to 60 percent of aromatic polyurethane-acrylate, 25 to 45 percent of crosslinking thinner, 2 to 12 percent of photoinitiator, 5 to 15 percent of nano silicon dioxide, and 0.5 to 1 percent of silver oxide. The nano silicon dioxide is susceptible to agglomeration in the system, so if the nano silicon dioxide is not dispersed uniformly, the transparency and wear resistance of the system may be influenced; and nano silicon dioxide grafted on dipentaerythritol hexaacrylate can well keep the transparency and wear resistance of the system. The combination of silver oxide and aromatic polyurethane-acrylate produces a desirable antibacterial effect.

The invention discloses a geothermal type formaldehyde-removing solid wood composite floor and manufacturing method thereof and aims to increase the formaldehyde removing effect of the composite floor. The composite floor comprises floor base material. Rabbets are formed in four sections of the floor base material. The floor base material sequentially comprises a filling layer, a paint-preventing layer, a primer layer and a finishing coat layer from bottom to top. A waterproof layer is disposed at the bottom of the floor base material. The composite floor is characterized in that the finishing coat layer sequentially comprises a wear-resistant finish coating layer, a scratch-resistant finishing coat layer and a formaldehyde-removing finishing coat layer from the bottom to top. Common environment-friendly UV coatings are used on the wear-resistant finish coating layer and the scratch-resistant finishing coat layer. The geothermal type formaldehyde-removing solid wood composite floor conforms to national standards, and product quality is increased greatly.

An ultraviolet solidified paint containing POSS is prepared through preparing the POSS with double bond from organic siloxane, proportionally mixing diisocyanate, polyol, catalyst and active diluent, stirring, heating while reacting to obtain the PUA prepolymer containing POSS, mixing it with catalyst, optical trigger, active diluent and other assistants, and stirring.