292results about How to "Moisture resistant" patented technology

The invention relates to a multi-layer thermal transfer ribbon and a manufacturing method thereof, and the multi-layer thermal transfer ribbon comprises a membranous base band, a heat-resistant printing ink layer and a heat transfer printing ink layer, wherein the heat-resistant printing ink layer is coated on one side of the base band, the heat transfer printing ink layer is coated on the other side of the base band, the heat transfer printing ink layer comprises a stripping printing ink layer and an adhesive printing ink layer, the stripping printing ink layer is directly coated on the surface of the base band, the adhesive printing ink layer is coated on the stripping printing ink layer, printing ink in the striping printing ink layer is hot-melting type printing ink, and the printing ink in the adhesive printing ink layer is the hot-melting type printing ink or solvent type printing ink. The heat transfer printing ink layer of the multi-layer mixed-based ribbon can be easily completely stripped off the base band, and the great adhesive ability is realized on a smooth medium; in addition, the multi-layer thermal transfer ribbon further has the advantages of high resolution, clear printing, anti-friction property, moisture resistance, chemical corrosion resistance, environment friendliness and the like.

The invention relates to a multifunctional polymer filtering material which comprises 70 to 85 percent of glass fiber, the balance being one or a plurality of aramid, polytetrafluoroethylene (PTFE) fiber, polyphenylene sulfide fiber, poly (p-phenylene-benzobisoxazole) (PBO) fiber, p-aramid, ceramic fiber, stainless steel fiber and copper fiber. The invention also discloses a method for preparing the multifunctional polymer filtering material. The method comprises the following steps: mixing the 70 to 85 percent of glass fiber and at least one of aramid, polytetrafluoroethylene (PTFE) fiber, polyphenylene sulfide fiber, poly (p-phenylene-benzobisoxazole) (PBO) fiber, para-aramid, ceramic fiber, stainless steel fiber, copper fiber into a synthetic fabric; and puncturing and shaping the synthetic fabric and a base fabric to obtain a finished product. The filtrating material produced by the method has the advantages of low cost, water proofing, temperature resistance, corrosion resistance and high performance to price ratio.

The invention relates to a moisture absorption resisting aluminum alloy slit flux-cored wire and a manufacturing method thereof. An alloy belt is used as the outer skin of the flux-cored wire, wherein the component of the flux-cored wire contains 5 to 90 wt.% of CsAlF4, 5 to 90 wt.% of Cs3AlF6, 1 to 45 wt.% of KALF4, 1 to 45 wt.% of K3AlF6, 0.001 to 2.0 wt.% of aluminum powder, 0.001 to 2.0 wt.% of silicon powder and 0.001 to 2.0 wt.% of Al-Mg alloy. By using the aluminum alloy belt sold on the market, based on the optimized proportion of the flux-cored wire component, the slit flux-cored wire is sewn as the slit having a stair so as to match with the edge of the flux-cored wire, thereby efficiently preventing water and other chemical materials from entering into the flux-cored wire through the slit and ensuring excellent moisture absorption resisting property. The flux-cored wire adopts torch soldering, induction brazing and furnace brazing to solder aluminum-aluminum alloy, aluminum-copper alloy and aluminum alloy-copper alloy. The slit metal not only has higher strength and air impermeability but also has excellent spreading property and permeating property.

A health-care food for protecting liver and regulating blood fat is prepared through extracting active components from red sage root, peach kernel and gynostemma pentaphyllum in sub-boiling water, adding chitosan, flocculating setting, filter, mixing with fermented cordyceps powder, spray drying, adding starch and dextrin, mixing, granulating, drying, tabletting and coating.

The invention relates the method for preparation of ultra-violet light curing adhesive, which is made by main body rubber, reinforced rubber, deflocculating agent, organosilicon coupling agent, stabilizing agent and photo-initiation agent. The ultra-violet light curing adhesive comprises following characteristics: 1 not needing mix; 2 rapid curing at indoor temperature, and controlling the curing speed; 3 suiting for supermatic flow operation; 4 excellent moisture-proof, low and high temperature impact property resistance, and long life; 5 100% solid coating, no environmental contamination. The UV curing adhesive possesses the advantages of short curing adhesive, strong adhesive force, heat resistance and moisture-proof, so it is used in LCD rim.

The invention provides a multi-layer compound passivation film structure of a Bipolar circuit, which comprises a bottom silicon oxide film layer and a silicon nitride film layer, wherein the silicon oxide film layer is deposited on the surface of a silicon substrate, and the silicon nitride film layer is deposited on the silicon oxide film layer; a certain proportion of phosphine is doped in the silicon oxide film layer; and the silicon oxide film layer sequentially comprises an undoped silicon oxide layer, a doped phosphorosilicate glass layer and an undoped silicon oxide layer. Meanwhile, the invention also provides a manufacturing process of the multi-layer compound passivation film of the Bipolar circuit. The multi-layer compound passivation film structure of the Bipolar circuit has scratch resistance, moisture resistance, high density, low film stress, higher impurity absorbing ability, better step covering ability and excellent photoelectric properties, electrical characteristics and heat stability, reduces the soft breakdown, and solves the problems of poor reliability, and the like.

The invention provides a water paint which can produce colorful patterns, and is made from color gel granules, protecting glue, and water. The constituents by weight proportions are 25-35 portions of gel granules, 45-55 portions of protecting glue; the rest is water. The constituents making up the color gel granules are 11-22 portions of pigment slurry, 45-70 portions of cellulose ether solution, 1-5 portions of film forming addition agent, and 0.5-1.5 portions of fungicides, and 1-7 portions of antifreeze. The preparing method includes 1, obtaining color gel granules, 2, obtaining protecting glue, and 3, obtaining the paint with color patterns. The invention has the advantages that the color gel granules is in a relatively stable state in the protecting glue; the paint can be sprayed on the surface of an object to form various separate three-dimensional color patterns, has excellent anti-aging performance, is innoxious and harmless, can replace wallpaper, can be sprayed on wooden furniture, metal, plastic and other objects, has excellent wear resistance and long service life.

The invention discloses antibacterial high barrier food wrapping film and a preparation method thereof. The film is prepared from ethylene vinyl alcohol copolymer, polyurethane, polyvinyl acetal, a compound silicate mineral additive and a silane coupling agent KH-550. The antibacterial high barrier food wrapping film takes the ethylene vinyl alcohol copolymer, the polyurethane, the polyvinyl acetal and the compound silicate mineral additive as materials of the wrapping film, based on the ethylene vinyl alcohol copolymer, the polyurethane, the polyvinyl acetal, the compound silicate mineral additive and other materials are added, the blending technology is adopted, and the wrapping film is obtained through an extrusion mechanism, so that the antibacterial performance, barrier performance and other performance of the wrapping film are greatly improved.

The invention discloses a method for processing a polyurethane mold surface through a Teflon coating. The method comprises the steps that the polyurethane mold surface is degreased; sand blasting is carried out on the degreased polyurethane mold surface, and then the Teflon coating is sprayed on the polyurethane mold surface; the Teflon coating sprayed on the polyurethane mold surface is heated; 5, the Teflon coating is sprayed on the polyurethane mold surface for the second time on which melting processing is carried out; and 6, the Teflon coating on the polyurethane mold surface processed in the step 5 is molten. The Teflon coating has the advantages of inadhesion, heat resistance, sliding performance, moisture resistance, abrasion resistance and corrosion resistance. The polyurethane mold surface coated with the Teflon coating which can be used repeatedly after coating is performed one time. The trouble that coating of a mold release agent needs to be carried out every time molds are released is saved; the production process is simplified, production efficiency is improved, production cost is reduced, and no harm is produced to the human body and environment.

The invention belongs to the field of preparation and modification of natural high polymer materials, and aims to solve the technical problems of high cost, poor heat resistance, flammability and toxic fume generation in case of combustion in the prior art. The invention provides a preparation method of a heat preservation and insulation high polymer material. The method comprises the following steps: A, pulverizing plant biomass waste; B, activating the plant biomass waste; C, obtaining surface grafting modified plant biomass waste powder; D, granulating to obtain modified plant biomass waste dry powder; and E, uniformly mixing the modified plant biomass waste dry powder, polyvinyl chloride, processing aids and fillers according to a certain mass ratio to obtain the heat preservation and insulation high polymer material. A heat preservation and insulation material product prepared by using the heat preservation and insulation high polymer material as a raw material has the advantages of hard texture, light weight, favorable heat preservation effect, environment friendliness and the like.