2854 results about "Varnish" patented technology

Radiation curable compositions with a polymeric co-initiator are disclosed comprising a dendritic polymer core with at least one co-initiating functional group as an end group. The dendritic polymeric core is preferably a hyperbranched polymer. Industrial applications include varnishes, lacquers and printing inks. The polymeric co-initiator is especially useful in radiation curable inkjet ink.

PCT No. PCT/CN97/00004 Sec. 371 Date Sep. 17, 1998 Sec. 102(e) Date Sep. 17, 1998 PCT Filed Jan. 20, 1997 PCT Pub. No. WO97/25968 PCT Pub. Date Jul. 24, 1997The invention relates to a tooth-whitening varnish composition, comprising 6-20% of carbamide peroxide, 2-9% of film forming agent and 77-88% of volatile organic solvent, based on the total weight of the composition. The volatile organic solvent is selected from ether, ethylacetate, ethyl alcohol, or acetone. The film forming agent is artificial or natural material selected from cellulose, polyvinyl, butyral, coumarone resin or shellac. The composition can rapidly form films on dry tooth surfaces, and a remarkable tooth-whitening effect can be obtained.

Opaque flakes, such as pigment or bright flake used in paints and inks, have a selected shape and/or other indicia to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the opaque covert flakes match the visual characteristics of the base pigment. In another embodiment, opaque covert flakes are mixed in the carrier with base pigment at a concentration sufficient to avoid changing the appearance of the composition. In another embodiment, opaque covert flakes are mixed in a clear or tinted varnish base that can be applied over an existing security feature. Shaped opaque covert flakes are not readily detectable by causal observation, but in some embodiments are easily seen at 50× magnification. In manufacturing the flakes a sheet of embossed frames are provided having symbols or indicia within; upon removing a coating from the sheet the coating material tends to break along frame lines and the resulting flakes are substantially uniform in size.

The invention relates to an ultraviolet curing color decorative coating, the components of the coating and the parts by weight thereof are as follows: 5 to 25 parts of epoxy acrylate prepolymer, 5 to 30 parts of polyurethane acrylate prepolymer, 2 to 10 parts of polyester acrylate prepolymer, 15 to 70 parts of acrylate monomer, 1 to 10 parts of photoinitiator, 1 to 35 parts of pigment, 0.5 to 10 parts of dispersant and 0.1 to 2 parts of auxiliary agent, the acrylate monomer is a mixture of the monomer with bifunctionality and the monomer with high functionality, wherein, the mixture ratio of the monomer with high bifunctionality to the monomer with bifunctionality is 1: 0.3 to 8. Compared with an ultraviolet curing transparent varnish, the ultraviolet curing color decorative coating has stronger decorative effect and almost the same curing speed, paint film hardness, adhesion, paint film gloss, and the like; and compared with a traditional solvent based colored paint, the ultraviolet curing color decorative coating does not contain volatile organic solvent, thereby avoiding the pollution and greatly improving the production efficiency. The ultraviolet curing color decorative coating is applicable to the decoration of plastics, wood materials, metals and other base materials.

A flame-retardant resin composition comprises 10 to 300 parts by weight of a flame retardant (B) and 1 to 200 parts by weight of an inorganic filler (C) (a glass fiber and/or a glass flake), relative to 100 parts by weight of a base resin (A). The flame retardant (B) comprises a polyphenylene oxide-series resin and/or a polyphenylene sulfide-series resin (B1), a phosphoric ester (B2), and a nitrogen-containing cyclic compound (B3) (for example, a polyphosphate of an amino group-containing triazine compound). The inorganic filler (C) has been treated with a surface-treatment agent or sizing agent containing a novolak epoxy resin. Such a resin composition is useful for obtaining a shaped article which has been inhibited from dripping and to which flame retardancy is highly imparted.

What is disclosed is a self contained, cordless, handheld spray gun (100). The spray gun (100) comprises a fluid container (225) in intercommunication with at least one fluid nozzle orifice (201) and a source of pressurized gas (204) in intercommunication with at least one gas nozzle orifice 207 and one fan nozzle orifice (227). The spray gun (100) is actuated by pulling a trigger (231) that opens at least one valve (202) so that the fluid, such as paint, primer, stain, varnish, sealant or the like, can flow to a fluid chamber (206), atomized, and sprayed through a fluid nozzle orifice (201) out onto the article to be painted.

The invention relates to a water epoxy ground floor coating and its making method and constructing process, where one component is low-molecular weight liquid-state epoxy resin assorted with active diluter in a proper proportion, and the other component is a dispersoid with hydrophilic curing agent as the principal thing, containing water-borne curing agent, water, acid-resistant wearable color filler, various auxiliaries, etc. and its producing method is simple and mainly includes mechanical dispersing and mixing; it does need to clean paint-covered surface as used on humid basal surface; the paint film has excellent properties of oily products and unilateral permeability. It uses water as dispersing medium, has no VOC, safe and environmental-protection.

The invention discloses the ultra-violet light solidified printing ink. The ultra-violet light solidified printing ink hasn't volatile organic solvent, avoiding the pollution and improving the durability and flexible. The invention uses the national standard GB/T 1731-93 to test, and the baseboard uses soft PVC film. The invention uses national standard GB/T 1766-95 to test durability, and uses GB/T 1865-97 to test printing ink. The flexible is 1mm, the discoloration is 2 grade, the efflorescence is 0 grade, and the cracking is 0 grade.

A high-performance organic-inorganic hybrid acrylate resin coating material and its production are disclosed. The process is carried out by taking inorganic nanometer oxidant collosol containing hydroxyl group and alkoxy as curing agent, reacting with acrylate resin containing functional group, cross-linking and curing to obtain inorganic-organic hybrid coating. It achieves higher hardness, better thermal stability, abrasive and scraping-resistances and ultraviolet shielding characteristic. It can be used for surface protective ornament of car, metal, building, leather and fabric.

The invention relates to surface-modified nanoparticles composed of metal or semimetal oxides or hydroxides and having been reacted on their surface with a modifier, with formation of covalent bonds. The modifier is a polysiloxane. The invention also relates to a process for preparing the nanoparticles, to their use as fillers in coating materials, plastics, foams and nail varnishes, and to dispersions which comprise the nanoparticles.

Aqueous, colloidal, freeze-resistant and storage-stable gas black suspension are disclosed containing 2-30 wt. % gas black, 0-40 wt. % carbon black, a dispersion-supporting additive, a biocide and water and having a zeta potential of less than -10 mV, a surface tension of greater than 50 mN/m and an average particle size of less than 200 nm. The aqueous, colloidal, freeze-resistant and storage-stable gas black suspension is produced by dispersing the gas black and the carbon black in water together with the dispersion-supporting additive and biocide. Inks, ink-jet inks, lacquers and printing inks can be made from these suspensions.

Plasticizer blends comprise a triblend of diethylene glycol dibenzoate, dipropylene glycol dibenzoate, and 1,2-propylene glycol dibenzoate, in specified ratios, useful in combination with a multitude of thermoplastic polymers, thermosetting polymers, and elastomeric polymers and numerous applications, including but not limited to plastisols, adhesives, sealants, caulks, architectural coatings, industrial coatings, OEM coatings, inks, overprint varnishes, polishes, and the like. The advantages rendered by the use of the triblend depend on the type of polymer and application in which it is utilized and include among other advantages higher solvating power and lower processing time, low VOC's, reduced plasticizer freeze point, improved gelation and fusion characteristics, higher tensile strength, superior stain and extraction resistance, and improved rheology over traditional diblends of diethylene glycol dibenzoate and dipropylene glycol dibenzoate.

The invention provides a fluorine-silicon modified self-crosslinking acrylic ester emulsion and a preparation method thereof, belonging to the technical field of polymer synthesis. The emulsion is a product formed by organosilicon monomers, fluoride-containing acrylic monomers, (methyl) acrylic monomers and self-crosslinking monomers through core-shell emulsion polymerization. The preparation method adopts a core-shell emulsion polymerization method, thereby ensuring that the fluoride-containing acrylic monomers tend to surface polymerization, and fluorine atoms tend to polymer surface in emulsion film forming process; moreover, the monomers capable of self-crosslinking is added to a shell layer, so as to utilize the crosslinking of the monomers to fixedly limit the migration of the fluorine atoms towards the inside of latex particles, as well as the swing of chains, thereby ensuring that the performances of the fluoride-containing emulsion are completely embodied. The preparation method improves the water resistance, stain resistance, solvent resistance, weather resistance and other comprehensive performances of the emulsion. The fluorine-silicon modified self-crosslinking acrylic ester emulsion prepared through the preparation method can be widely applied to high-grade building paint, industrial paint and wooden ware varnish. Moreover, the preparation method has the characteristics of simple manufacturing process, easy reaction condition control, good emulsion stability and environment-friendly property.

A water epoxy resin paint is prepared from one of low-molecular liquid epoxy resin, the ether solution of epoxy resin and epoxy resin emulsion, and the solidifying agent prepared from polyvinylpolyamine through terminating, addition and salting. Its advantages are high hardness, adhesion and resistance to water and corrosion.

A door or other entryway component of synthetic resin composite construction and closely resembling the appearance of stained real wood. Skin portions of doors and other structures have a surface layer of clear gel coat resin molded to include the texture of a wood grain surface. A subsurface layer adjacent the clear gel coat layer is of pigmented gel coat resin. A structural support layer of the skin is of reinforced resin. Skins of a door or similar article are mounted on frames, and dense micro porous resin foam is provided between the skins to form a solid structure such as a door. Moldings retaining glass panels in openings defined in the door or similar structure are attached to the skins by adhesively fastening the moldings to the skins. Fasteners mounted in the moldings so that there are no plugged holes in the exterior surfaces of the moldings are used to locate the moldings properly with respect to the skins by inserting the fasteners into predrilled holes in the skins. The assembled doors and other structures can be finished by staining and coating with a finish system such as a urethane varnish to provide an appearance closely resembling real wood.

The invention relates to an energy-saving coating process which is characterized by comprising the following steps: carrying out surface treatment before painting; coating cathodic electrophoretic priming; drying priming paint, keeping the workpiece temperature to be 160 DEG C to 180 DEG C for 20 min and cooling;, sanding the priming and scouring; spraying PVC car bottom and sealing welding line;airing for 20 min; floating coat spray coating; airing for 7 to 15 min; coating finishing coat spray or spraying metal base paint; airing for 10 min; spraying finishing varnish; airing for7 to 15 min;and drying coated film; keeping workpiece temperature to be 140 DEG C to 150 DEG C for 20 min and cooling. PVC glue and a plurality of layers of coating adopt the energy-saving process technology with wet-on-wet coating, so that drying devices on the coating line are saved. Compared with a traditional three-coating coating system, the invention simplifies the coating process, reduces coating device investment and occupation area, saves heating energy of the coating line, reduces the product coating cost, and enhances the market competitiveness of car products.

A vinyl-compound-based resin composition containing a terminal vinyl compound (a) of a bifunctional phenylene ether oligomer having a polyphenylene ether skeleton, a specific maleimide compound (b), a naphthol aralkyl type cyanate ester resin (c) and a naphthalene-skeleton-modified novolak type epoxy resin (d) for a high-multilayer and high-frequency printed wiring board, which resin composition is excellent in varnish shelf life at low temperature and does not show a decrease in multilayer moldability, heat resistance after moisture absorption, electrical characteristics and peel strength even in a winter period and for a long period of time, and a prepreg, a metal-foil-clad laminate and a resin sheet each of which uses the above resin composition.

The present invention provides an OGS capacitive touch panel, including a substrate, a touch control unit, an insulating layer, a conductor and a trace of the touch control unit, wherein the touch control unit and the insulating layer are arranged on a first surface of the substrate and the former is in the active area and the latter on the periphery of the capacitive touch panel; the trace of the touch control unit extends from the touch control unit on the first surface; on the periphery of the capacitive touch panel, the insulating layer partly covers the trace of the touch control unit, and the conductor is electrically connected to the trace of the touch control unit on the part of the trace of the touch control unit which is uncovered by the insulating layer. The method for manufacturing the OGS capacitive touch panel of the invention arranges the process of forming the insulating layer after the process of forming the touch control units and the traces of the touch control units. In the invention, the problem of color changing and insulativity deteriorating of the insulating layer, which is formed by general colored ink, gloss varnish or colored photo-sensitive resist, aroused by the poor high-temperature resistance is solved, and the difficulty in coating process and traces having to get over a step are avoided. The OGS capacitive touch panel of the invention is simple structured and reliable; its manufacturing method has less processes and is easy to carry on.

It is an object of the present invention, with respect to a phenol aralkyl type epoxy resin, to suppress any crystal precipitation, improve the quality manageability and operation efficiency at composition production and enhance the properties, including heat resistance, thereof. It is also intended to provide a resin composition that even when stored in the form of a varnish for a prolonged period of time, is resistant to crystal precipitation, excelling in storage stability and operation efficiency, and that gives a hardening product of low dielectric constant and low dielectric tangent excelling in heat resistance, water resistance and flame retardance.

There is provided an epoxy resin characterized by comprising a phenol aralkyl type epoxy resin in which a content (an area % measured by gel permeation chromatography) of a bifunctional compound is 20% or less, and provided a resin composition obtained therefrom.

The invention relates to a waterborne acrylic acid modified epoxy ester emulsion, the synthetic formula of which consists of the following components (by weight percentage): 12%-17% of epoxy resin; 14%-19% of unsaturated fatty acid; 4%-6% of a (methyl) acrylic ester or vinyl monomer; 2%-4% of methacrylic acid; 0.1%-0.5% of an initiator; 4%-6% of a cosolvent; 1.5%-2.5% of a neutralizing agent; and 45%-55% of deionized water. The waterborne epoxy ester amino baking varnish based on the waterborne acrylic acid modified epoxy ester emulsion involved in the invention adopts water as the diluent, takes the pigment and filler that both are free of harmful lead or chromium compound, has no risk of combustion, explosion, poisoning and environmental pollution, and is safe and environment friendly. The amino baking varnish can employ brush coating, spray coating, dip coating and other construction methods.

The invention relates to high-temperature resistant and strong corrosive resistant water-based baking varnish for metal and a preparation method for the water-based baking varnish. The water-based baking varnish consists of the following raw materials: 40 to 60 percent of resin, 8 to 18 percent of amino resin, 1 to 5 percent of adhesion promoter, 8 to 15 percent of pigment, 1 to 3 percent of salt mist resistant aid, 0.2 to 0.5 percent of pH regulator, 0.1 to 0.5 percent of flatting agent, 0.2 to 0.8 percent of wetting dispersant, 0.1 to 0.2 percent of defoaming agent, 5 to 8 percent of cosolvent, and the balance of water. The volatile organic compound (VOC) content of the obtained water-based baking varnish is low; and the water is used for replacing an organic solvent and used as a thinning agent, so that the water-based baking varnish is nontoxic, odorless and environment-friendly, improves the working environment of construction personnel and protects the body health of the construction personnel. A prepared varnish film has good physical and mechanical properties, high temperature resistance and corrosion resistance, the adhesive force of the varnish film is level 0, the varnish film resists a high temperature of 200 DEG C for 4 hours and yellows lightly, and the salt mist resistance reaches 300h.

Opaque flakes, such as pigment or bright flake used in paints and inks, have a selected shape and/or other indicia to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the opaque covert flakes match the visual characteristics of the base pigment. In another embodiment, opaque covert flakes are mixed in the carrier with base pigment at a concentration sufficient to avoid changing the appearance of the composition. In another embodiment, opaque covert flakes are mixed in a clear or tinted varnish base that can be applied over an existing security feature. Shaped opaque covert flakes are not readily detectable by causal observation, but in some embodiments are easily seen at 100× magnification.

A polyimide tube composed of a polyimide resin composition in which 5 to 23.5 volume percent of boron nitride and 1 to 15 volume percent of an acicular substance are dispersed as a filler in a polyimide resin on the basis of the total volume of the composition, a method of producing the tube, a method of producing a polyimide varnish used for producing the tube, and a fixing belt including the tube as a base member are provided.

The invention discloses a filling-type heat-conducting and insulating impregnating varnish, which is characterized in that the impregnating varnish uses surface-functionalized inorganic powder with high thermal conductivity and high insulation performance as filler, and adds it to modified epoxy resin Add dispersants, peroxide initiators and reactive diluents, mix evenly and cure at 25-150oC to obtain high thermal conductivity insulating dipping varnish. The composition and weight ratio are as follows: surface functionalized nano powder Body filler, 1-30 parts; modified epoxy resin, 100 parts; active diluent, 60-80 parts; dispersant, 0.01-1 part; peroxide initiator, 0.5-2.0 parts. The thermal conductivity of the thermally conductive dipping varnish is greatly improved without sacrificing electrical resistivity and mechanical properties.

The invention relates to isocyanate modified alkyd resin and a preparation method thereof. Isocyanate is utilized to modify alkyd resin, and the alkyd resin containing an ammonia ester structure is synthesized. The basic formula comprises, by weight: 20-33% of plant oil, 5-8% of polyatomic alcohol, 2-8% of organic acid anhydride, 5-10% of the isocyanate, 0.02-0.5% of catalyst, 35-50% of solvent and 3-8% of terminator. Varnish and enamel paint prepared by the isocyanate modified alkyd resin are better than ordinary middle-long-oil-degree alkyd resin paint in aspects of dryness, hardness, water resistance and the like, and are better than double-component polyurethane paint in aspects of toxicity, application property, odor and the like. The isocyanate modified alkyd resin is widely applied to the surfaces of products made of wood, metal, plastic and the like to have functions of protection and decoration. Due to the fact that the isocyanate modified alkyd resin is both hard and soft, the isocyanate modified alkyd resin has certain resistance to stone strike, can serve as primer and repair paint of agricultural vehicles and trucks, and has good market prospects accordingly.

The invention discloses a mono-component varnish composition, which comprises at least a polymer having a hyper branched or dendritical structure; at least one type of hydroxyl acrylic resin or hydroxyl methacrylate resin; at least one type of organosilicon-modified acrylic resins; at least a crosslinking curing agent; at least an acid catalyst; at least a rheological control agent; at least an auxiliary agent and at least a solvent; and the mono-component varnish composition has the advantages of high scratch resistance and high weather resistance. The provided mono-component varnish composition can effectively increase the smoothness of the surface of a varnish composition film, and increases the rub resistance of the film; in addition, the introduction of the organosilicon-modified acrylic resin can further increase the weatherability of the varnish composition film.

A novel polymeric initiator is disclosed comprising a dendritic polymer core with at least one initiating functional group as an end group. The dendritic polymeric core is preferably a hyperbranched polymer. The polymeric initiators are useful in radiation curable compositions such as varnishes, lacquers and printing inks and are especially useful in radiation curable inkjet inks.

A polyvinyl acetal resin varnish which is so low in stimulus property, toxicity, environment-polluting property, offensive odor, and inflammability that no problem is caused in practical use, and which is high in safety, low in viscosity, and thus favorable in workability, and an application of the polyvinyl acetal resin varnish are provided. As an organic solvent for dissolving the polyvinyl acetal resin, there is used a nonaqueous solvent, preferably carbonate ester, and more preferably a mixed solvent composed of cyclic carbonate ester and chain carbonate ester, into which the polyvinyl acetal resin is evenly dissolved regardless of its type, resulting in varnish which is high in safety and low in viscosity. Since the varnish has an action of gelling the organic solvent, the varnish can be used as a gelling agent in various applications.

A polyimide resin having phenolic hydroxyl radicals in its skeleton is prepared using a diamine bearing an aromatic ring having an amino radical attached thereto and another aromatic ring having a phenolic hydroxyl radical. The polyimide resin and a composition comprising the polyimide resin, an epoxy resin and a curing agent are suited for use as varnish, adhesive and adhesive film for which adhesion and heat resistance are required.

The invention relates to a reflective insulation colorful coating and a preparation method thereof. The colorful coating comprises the following components in percentage by weight: 10-30% of protective sol, 30-50% of colorful disperse-phase base paint and 20-50% of continuous-phase varnish, wherein the colorful disperse-phase base paint and the continuous-phase varnish both contain glass beads. In the invention, by taking synthetic emulsion as a basis and without depending on the addition of natural color sand, a stone-like effect can be obtained, and reproducibility is realized; and in the colorful coating prepared by the preparation method provided by the invention, the whole colorful coating has a reflective insulation function, realizes a good insulation effect and improves the energy saving effect.