98results about How to "Improve anti-blocking" patented technology

The invention relates to an aqueous anti-doodling and anti-affixing paint. The paint provided by the invention comprises a component A and a component B, wherein the component A contains, by weight, 50-70 parts of an anionic polyacrylate dispersion and 5-10 parts of a modified silane emulsion; and the component B contains, by weight, 20-25 parts of a water dispersive aliphatic polyisocyanate curing agent. The invention also relates to a preparation method of an aqueous anti-doodling and anti-affixing paint film. With the use of the polyacrylate dispersion as a base material, the aqueous anti-doodling and anti-affixing paint can have a high gloss and its scratch resistance can be improved. With the use of the water dispersive aliphatic polyisocyanate as a cross-linking agent, the paint can have excellent weatherability and yellow-stain resistance. Dual-component crosslinking and solidification can endow the paint with high surface hardness, compact film and excellent anti-doodling performance.

The invention discloses special high-temperature resistant waterproof air and moisture permeable resin for coating printing and a preparation method thereof. The resin is prepared by the following steps of: obtaining a prepolymer through a reaction between polyether polyol and diisocyanate; and modifying the prepolymer by use of polyhedral oligomeric silsesquioxane to obtain the resin, wherein the average molecular weight of the resin is 50000-150000g/mol, the viscosity is 60000-100000cps/25 DEG C, and the solid content of the resin is 30-55%. In the polyurethane resin prepared by the method disclosed by the invention, the moisture permeability can reach 7500g/m<2>.24H, and the water pressure resistance is greater than 10000mmH2O; moreover, the polyurethane resin has the processing characteristic of tolerating a temperature of 200-230 DEG C for continuous 30S during coating printing; and the resin has highly-permeable coating and soft and smooth handfeel, and is washable and very suitable for the direct coating and coating printing technology of fabric coating processing.

The invention discloses high wear resistance water-borne gloss oil, comprising the following components with the contents in percent by weight: 0-25.0% of acrylic emulsion A, 25.0-45.0% of acrylic emulsion B, 15.0-60.0% of elastic emulsion, 4.0-8.0% of wax emulsion, 0.1-0.5% of defoaming agent, 0.5-1.5% of wetting agent and 0-5.0% of coalescing agent. The invention further provides a preparing method of the high wear resistance water-borne gloss oil, and mainly adopts a method of adding the materials step by step to prepare the high wear resistance water-borne gloss oil. The water-borne gloss oil prepared by adopting the method has higher wear resistance, and has the advantages of high gloss, good flexibility, fastness in drying, good anti-adhesion property and excellent online performance.

The invention relates to water-based polyurethane modified acrylic ester emulsion and a preparation method thereof, and water-based wood coating. The water-based polyurethane modified acrylic ester emulsion is prepared from the following raw materials in percentage by weight: 6 to 20 percent of a polyol polymer, 4 to 20 percent of isocyanate, 0.1 to 3 percent of a micromolecular chain extender, 0.5 to 4 percent of a hydrophilic chain extender, 0.1 to 1.5 percent of an after chain extender, 0.5 to 3 percent of a hydroxy acrylic acid monomer, 10 to 30 percent of an acrylic acid monomer, 0.05 to0.5 percent of an initiator, 0.5 to 3 percent of an epoxy organosilicon monomer, 0.1 to 4 percent of an organic crosslinking agent, 0 to 4 percent of a metal crosslinking agent, 0.5 to 2 percent of alkali and the balance of water. The emulsion has high stability; and after the emulsion is prepared into the water-based wood coating and the wood product is coated with the coating, the drying speed is high and the adhesion resistance is excellent.

The invention discloses waterborne wood floor paint for roller painting of containers. The waterborne wood floor paint comprises a first component, a second component and water in a mass ratio of 100:5-10:10-20. The first component is prepared from a composite modified self-crosslinking acrylic polymer, a composite modified wear-proof polymer, an anti-foaming agent, a dispersing agent, a waterborne flatting agent, a thickening agent, a leveling agent, smoothening and anti-adhesion additives, an anti-mildew bactericide and the balance water. The second component is prepared from a composite modified cross-linking agent and water. The waterborne wood floor paint for roller painting of the containers is great in effect, environmental friendly, especially suitable for roller painting, excellent in anti-foaming performance and abrasion resistance, high in hardness, excellent in anti-cracking performance under cold and hot conditions, anti-adhesion performance at a high temperature and water resistance, quick in drying, moderate in cost, easy in construction and high in efficiency.

The invention relates to water-based ink for printing a thin film and a preparation method thereof. The water-based ink is prepared from the following raw materials in parts by weight: 28-35 parts of acrylic resin, 10-20 parts of epoxy resin, 12-20 parts of a pigment, 6-12 parts of wollastonite powder, 2-7 parts of nano bentonite, 4-9 parts of a sterilization mildew-proof agent, 0.5-3 parts of epoxy soybean oil, 1-4 parts of polyurethane, 0.5-2 parts of a surfactant, 0.5-2 parts of silane and 26-38 parts of de-ionized water. According to the water-based ink provided by the invention, the wollastonite powder is added so that the wearing resistance and anti-adhesion property of the ink can be improved; the added sterilization mildew-proof agent is prepared from Chinese herbal medicine ingredients, is safe and environment-friendly and has no injuries to health of human bodies; the ink provided by the invention has stable performance, good glossiness and dispersity and high drying speed; and in a utilization process, the ink does not fall off and is not faded, and the printing effect is lasting.

The invention discloses an optical polyester film and a method of manufacture thereof.In the optical polyester film, at least one side of a biaxially stretched basic film is coated with a bottom coating, the bottom coating is made from the components according to percent by weight: 63-96% of water-based ultraviolet-cured polyurethane resin free of carboxylic acid, 3-30% of oxazoline cross-linking agent, and 1-7% of nano-scale anti-blocking particles that are 80 to 200 nm in particle size.The optical polyester film has excellent adhesion and high transparency, has good bonding resistance and is applicable to high-end film material fields such as LCD (liquid crystal display) display device field and high-end IMD (in-mod decoration) processing.

The invention provides the transparency, the blocking resistance, and the aliphatic family polycarbonate resin composition with an excellent machine strength. The polycarbonate resin composition of the present invention contains the amorphous silica about the aliphatic polycarbonate resin 100 parts by mass at a ratio of 0.05-4 parts by mass.

A method for treating a surface of a metal implant includes a polishing step, a grafting step. The polishing step includes polishing a surface of a metal implant to remove an uneven, natural oxide layer on the surface of the metal implant and to generate an even oxide layer on the surface of the metal implant. The grafting step includes grafting an anti-adhesion macromolecule on an outer face of the even oxide layer. A covalent bond between the anti-adhesion macromolecule and oxygen atoms on the outer face of the even oxide layer is formed, thus that a macromolecular anti-adhesion layer on the outer face of the even oxide layer can be created. The surface modifying step includes changing a property of the surface of the metal implant with the macromolecular anti-adhesion layer by high temperature and high pressure, providing the metal implant with high hydrophilicity.

The invention relates to high temperature alloy for a heat-resisting furnace roller, and the heat-resisting furnace roller prepared from the high temperature alloy in the field of an alloy material. The high temperature alloy comprises the following components by weight percent: 0.25-0.45% of C, 0.5-2.0% of Si, 0.5-1.5% of Mn, 26-29.5% of Cr, 36-40% of Ni, 11-15% of Co, 1-4% of W, 1.0-2.5% of Mo, 0.4-1.4% of Nb, 0.02-0.2% of Ce, and the balance being Fe and inevitable impurities. Compared with the high temperature alloy adopted by the heat-resisting furnace roller in the prior art, the heat-resisting furnace roller prepared from the high temperature alloy disclosed by the invention has high endurance strength, oxidation resistance and corrosion resistance under the working condition at 1150-1200 DEG C, and has certain oxidation product tumor resistance and anti-blocking property, and the service life of the prepared heat-resisting furnace roller can be prolonged.

Provided are chlorine-free ink and coating compositions that demonstrate improved adherence when applied to untreated flexible plastic film substrates. The provided compositions eliminate the need for a separate step of pre-treating a plastic film before applying an ink or coating composition. Also provided are methods for producing a printed article using the provided ink and coating compositions and methods of adhering chlorine-free inks or coatings that exhibit improved adhesion characteristics to untreated plastic films.

The invention discloses printing ink and a preparation method of the printing ink and belongs to the field of plastic product processing. The printing ink comprises the following raw materials in parts by weight: 25-35 parts of alkyd resin, 8-15 parts of epoxy resin, 7-13 parts of alcohol, 5-8 parts of triethanolamine, 3-5 parts of light calcium carbonate, 0.5-2 parts of bactericide, 1-4 parts of lavender perfume, 12-17 parts of pigment, 0-3 parts of defoaming agent, 1-4 parts of dispersant and 1-4 parts of surfactant. The printing ink is environmentally friendly and nontoxic, free from a pungent smell and stable in performance, and has good glossiness; the abrasive resistance and blocking resistance of the printing ink can be improved by addition of light calcium carbonate; a printing effect is permanent; a drying rate is high; and the printing ink does not fall off in a use process.

The invention relates to a silicon dioxide-based anti-adhesion agent used for a polyolefin thin film and a preparation method thereof. The silicon dioxide-based anti-adhesion agent is suitable for plastic thin film production enterprises. The preparation method includes the following steps of: 1) preparing silicon dioxide sol from tetraethyl orthosilicate under alkaline conditions; 2) adding a surfactant and a proper oil phase organic substance, and stirring the mixture to prepare a micelle with silicon dioxide as a shell layer; 3) adding trimethoxy silane containing an R group and a catalyst to the micelle with the silicon dioxide as the shell layer, and stirring the mixture to prepare silicon dioxide-based microspheres at a certain temperature, wherein the surfaces of silicon dioxide are modified by silane; and 4) drying the microspheres to remove the oil phase to obtain silicon dioxide hollow microspheres. The silicon dioxide-based anti-adhesion agent is a compound having definite structural and molecular formulas and molecular weight, but is a hollow microsphere which has a hierarchical pore structure and is based on silicon dioxide. The anti-adhesion agent can reinforce a plastic thin film and improves creep resistance, wherein a large quantity of micro projections and gaps are formed on the surface of the thin film, thereby increasing roughness of the thin film, reducing friction coefficient and preventing adhesion of the thin films.

The invention discloses an anti-adhesion low-smoke halogen-free and flame-retardant polyolefin cable material. The invention belongs to the technical field of cable materials, and solves the problem of possible adhesion between cables. The cable material is prepared by adopting the following method of: by weight part, weighing 85-95 parts of an ethylene-vinyl acetate copolymer, 55-65 parts of highdensity polyethylene, 30-38 parts of magnesium hydroxide, 50-70 parts of aluminum hydroxide, 0.15-0.35 part of melamine urate, 10-22 parts of red phosphorus, 20-40 parts of a hyperdispersant, 17-23 parts of silicon dioxide, 7-13 parts of zinc hydroxystannate, 15-21 parts of nano BaSO4, 1-2 parts of polylactic acid and 0.5-1.5 parts of sodium hyaluronate evenly, conducting internal mixing for 10-15min at 130-140DEG C for 10-15min, and then performing extruding and granulating at 115-140DEG C, thereby achieving the effects of enabling the cable material to have good smoke-suppressing and flame-retardant properties and high anti-adhesive properties.

The invention discloses a production process of low-viscosity iron oxide yellow, and belongs to the technical field of iron oxide yellow production. According to the process, water is added into an iron oxide yellow filter cake, pulping is conducted at high temperature, and an assistant is added in the high-temperature pulping process for dispersing to obtain dispersed slurry A, wherein the assistant is selected from one or more of a dispersion wetting agent and an active dispersing agent. In the process, the viscosity of the slurry is rapidly and effectively reduced and the surface characteristics of the slurry are changed in the pulping process through the assistant. Then the obtained dispersed slurry A is dispersed and ground by using a grinding device, a leveling agent is continuouslyand uniformly added in the grinding process, and grinding and leveling are performed to obtain dispersed slurry B, wherein the leveling agent is selected from one or more of acrylic acid leveling agents and organic silicon leveling agents, the wettability, smoothness and anti-blocking property of the slurry are effectively improved by utilizing leveling dispersion, and finally, the low-viscosity iron oxide yellow is prepared through filter pressing, rinsing, drying and crushing.

The invention discloses a preparation method of a hydroxyl acrylate emulsion for waterborne wood paint. The method comprises the following steps: using a core-shell synthesis technique, firstly generating a soft core with very small particle size by adopting microemulsion polymerization, and then polymerizing a layer of hard shell with a room-temperature self-crosslinking function; wherein the hydroxyl-containing function can be uniformly or emphatically distributed in the core and the shell layer as required, and the monomer composition of the shell layer contains a proper amount of functional monomer diacetone acrylamide capable of carrying out room-temperature self-crosslinking and is matched with adipic dihydrazide to carry out room-temperature self-crosslinking; the obtained product has the characteristics of small particle size, high transparency, good polishability, good hardness and good tolerance, and is suitable for being used as single-component or double-component wood paint, especially varnish primer.

The invention discloses an optical polyester film and an optical laminated polyester film.At least one face of a biaxially oriented base film of the optical polyester film is coated with a bottom coating containing an adhesive and anti-adhesion particles, and the adhesive is prepared from, by weight, waterborne ultraviolet light cured polyurethane resin 40-90%, waterborne polyester resin 9-40% and epoxy resin 1-20%.The polyester film layer has excellent initial adhesion to an optical functional layer, also has good adhesion under the conditions of high temperature and high humidity, meanwhile has high transparency and excellent adhesion resistance and is suitable for the fields of LCD, PDP and other display devices.

The invention discloses a composite type TBM synchronous grouting material and a grouting method. The technical scheme key point of the composite type TBM synchronous grouting material is that the grouting material is composed of raw materials, by weight, of 7%-15.3% of cement, 35%-47% of sand, 10%-16% of fly ash, 2.9%-3% of expansive soil, 0.7%-4% of an accelerator and the balance water. According to the composite type TBM synchronous grouting material, the solidification time is greatly shortened, the problem of insufficient grouting is solved, the operation efficiency is improved, and the engineering quality is ensured.