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2854 results about "Varnish" patented technology

Varnish is a clear transparent hard protective finish or film. Varnish has little or no color and has no added pigment as opposed to paint or wood stain which contains pigment. However, some varnish products are marketed as a combined stain and varnish. Varnish is primarily used in wood finishing applications where the natural tones and grains in the wood are intended to be visible. It is applied over wood stains as a final step to achieve a film for gloss and protection. Varnish finishes are usually glossy but may be designed to produce satin or semi-gloss sheens by the addition of "flatting" agents.

Fluorine-silicon modified self-crosslinking acrylic ester emulsion and preparation thereof

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.

One glass solution capacitive touch screen and manufacturing method thereof

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.

High-temperature resistant and strong corrosive resistant water-based baking varnish for metal and preparation method for baking varnish

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.
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