40results about How to "Good coating stability" patented technology

Substrates, coated with a block copolymer comprising at least four blocks being at least two hard blocks, one soft block and one hydrophilic block, wherein a the soft block is sandwiched between the hard blocks.

The invention discloses a top coating for a coating layer of a double-sided coating white board as well as a preparation method and application thereof. As the top coating, the double-sided coating white board after being applied and coated by a coating machine not only is suitable for high-grade printing but also is suitable for vacuum forming. The top coating comprises the following components in parts by mass: 20 to 50 parts of kaolin, 50 to 80 parts of calcium carbonate, 10 to 18 parts of latex and 25 to 35 parts of water. The top coating also contains the components of a dispersant, a lubricant, a water repellent agent, a bactericide, a pH regulator and a functional assistant of 0.6 to 3.0 parts by mass of PC4200 soybean protein. By adding the functional assistant, the closure property of the coating layer can be opened, the covering property of the coating is enhanced, the use quantity of wood pulp is reduced, the smoothness of finished paper is lowered, and the infiltration of vacuum forming oil is benefited. The coating is applied and coated on a paperboard by the coating machine, can enable the paperboard to have favorable printing ink acceptance, improves the covering property of a paper face greatly and has lower smoothness and roughness and favorable printing adaptability.

The invention discloses a solid wood batten coating and sanding process. The solid wood batten coating and sanding process comprises the following steps: 1) natural woods are pretreated as blanks; 2) first paint pulp is uniformly coated on the blanks to form first coating layers on the outer surfaces of the blanks; and the thicknesses of the first coating layers are controlled within 0.4-0.6 mm; 3) the primary asynchronous automatic sanding treatment is performed; 4) second paint pulp is uniformly coated on the first coating layers to form second coating layers on the outer surfaces of the blanks; and the thicknesses of the second coating layers are controlled within 0.1-0.3 mm; and 5) the secondary asynchronous automatic sanding treatment is performed. The coating and sanding process is more ideal in design; the quality of the coating layers on the surfaces of solid wood battens is high; and in the sanding operation process, the front surfaces and the back surfaces of the blanks are sanded in sequence, so that the quality of products is greatly improved.

The invention relates to the field of release agents and discloses a solvent type wax release agent and a preparation method thereof. The solvent type wax release agent is prepared from, by weight, 5-18 parts of modified polytetrafluoroethylene wax, 2-3 parts of modified silicon wax, 8-16 parts of microcrystalline wax, 2-6 parts of paraffin, 14-35 parts of a high-boiling-point environment-friendly solvent and 35-56 parts of a low-boiling-point environment-friendly solvent. The preparation method includes steps: 1) dissolving a solid wax mixture at a high temperature; 2) adding the high-boiling-point environment-friendly solvent under a condition of high-temperature low-speed stirring, and cooling and adding the low-boiling-point environment-friendly solvent under a condition of low-speed stirring; 3) after low-speed stirring for cooling, discharging, packaging, and cooling to the room temperature to obtain a product. The solvent type was release agent has excellent high temperature resistance and coating performances. The preparation method of the solvent type wax release agent is simple in process, low in cost and beneficial for industrial production.

Disclosed is a method for manufacturing a near-infrared reflective body in which a near-infrared reflective film is manufactured that has excellent manufacturing cost performance, is capable of being employed over a large area, and has excellent application stability and resistance to refractive index unevenness in the surface. A method for manufacturing a near-infrared reflective film in which a high refractive index layer and a low refractive index layer are alternately laminated on a support, wherein the difference in the refractive index of adjacent high refractive index layers and low refractive index layers is at least 0.3, and the near-infrared reflective film is formed using a coating liquid for a high refractive index layer and a coating liquid for a low refractive index layer, if the viscosity of the high refractive index layers and low refractive index layers at 15° C. is η₁₅ and at 45° C. is η₄₅, the viscosity ratio (η₁₅/η₄₅) in each case is at least 2.0.

The invention relates to the field of electrothermal coating, and provides a novel electrically conductive and controllable heating electrothermal coating. The raw materials at least contain: conductive materials, resin binding materials and water; the raw materials of the conductive materials include graphite powder, carbon nano tubes and graphene; and the weight ratio of an emulsion A, the graphite powder, the carbon nano tubes and the graphene is 1: (0.05 to 0.1): (0.5 to 1): (0.01 to 0.1).

The invention relates to a wear-resisting oxford fabric comprising a shell fabric layer and at least one layer of sizing agent coating, wherein the shell fabric layer is interweaved by 150-350D polyester filament yarn; and the sizing agent coating is composed of the following components in parts by weight: 60-80 parts of organic silicon resin, 5-10 parts of silane coupling reagent, 3-6 parts of cross-linking agent, 4-8 parts of alumina silicate fiber, 6-10 parts of copper oxide powder and 10-15 parts of solvent. The wear-resisting oxford fabric provided by the technical scheme is high in strength, firm, wear-resisting and firm in handfeel, has good coating stability and can be used as a material of products of cases, traveling bags, tent bottoms, and the like.

According to a graft copolymer coated silicon-based material and a preparation method thereof provided by the invention, a polyacrylic acid grafted benzimidazole copolymer coats the surface of the silicon-based material, and the polyacrylic acid and the benzimidazole copolymer have strong covalent bonds so as to ensure the compatibility of the two substances; the copolymer has certain strength so that the volume expansion of the silicon material can be effectively inhibited; a hydrogen bond formed by PAA in the copolymer and a silicon substrate, especially SiO, has good coating stability, and PAA-g-PBI has a three-dimensional network structure and an effect of reversible ionic bond reconstruction, and a specific structure can show a high adhesive force, high mechanical strength and self-healing characteristics to silicon, and can effectively adapt to volume expansion and shrinkage of a silicon-based material; and the structural stability can still be maintained after a huge volume change is generated so that the silicon-based material with high cycle stability is obtained.

The invention discloses high humid and heat resistant anti-rust oil. The high humid and heat resistant anti-rust oil consists of the following raw materials in parts by weight: 60-70 parts of No.0 light diesel oil, 20-30 parts of rare earth anti-rust hydraulic oil, 0.2-0.3 part of vegetable fat powder, 0.8-1 part of methyl perfluorobutyl ketone, 1-2 parts of sodium bisphosphate, 2-3 parts of urea, 1-2 parts of benzotriazole, 1-2 parts of zinc dialkyl dithiophosphate, 2-5 parts of hydrogenated castor oil, 2-3 parts of ethylene glycol, 3-4 parts of phthalic acid ester, 2-3 parts of 1,2-dially phthalate, 1-2 parts of hexamethylene tetramine and 4-10 parts of acetylated lanolin. According to the anti-rust oil disclosed by the invention, the rare earth anti-rust hydraulic oil is added; by virtue of an alkyl ketone dispersion liquid, the flowability can be improved, and the reaction activity can be increased; and added rare earth ions can react with OH<-> which is produced in a process of performing oxygen absorption corrosion on the surface of a metal base material to produce insoluble complexes, so that the corrosion electrode reaction can be slowed down, and a very good slow-release effect can be achieved.

The invention discloses a coating material for a ruminant feed additive. The coating material is made from styrene, 2-vinylpyridine and 2-methacryloyloxyethyl phosphorycholine, and is a ternary random copolymer synthesized based on the monomer molar ratio of (2.5-4):(2.5-6):(0.5-3). The ternary copolymer is synthesized through molecular structure design. Through specific matching and synergistic effect of three monomers in the polymer, the coating material has the advantages of being sensitive to ph, high in coating stability, small in monomer residue number, capable of avoiding damage of genetic materials, high in biocompatibility and the like.

The invention discloses a coating material for coating a feed additive. The coating material is a random quadripolymer which is synthesized by taking styrene, 2-vinplpyridine, 2-tert-butylaminoethyl methacrylate and 2-methacryloyloxyethyl phosphorycholine as raw materials according to the monomer mole feed ratio of (2.5-4):(2.5-6):(0.5-3):(0.5-3). The quadripolymer is synthesized by designing a molecular structure. Through the specific proportion and synergistic effect among the four monomers in the polymer, the coating material has the advantages of being sensitive to pH, good in coating stability, few in monomer residue, capable of not damaging genetic materials, good in biocompatibility and the like.