8results about How to "Improve adhesion fastness" patented technology

The application provides a UV white ink and a preparation method thereof. The preparation raw materials of the UV white ink include, in parts by weight, 3-15 parts of silicone-modified acrylate prepolymer, 30-90 parts of monofunctional monomer, 1-10 parts of bifunctional monomer, 3-10 parts of photoinitiator, 1-15 parts of titanium white, 0.1-5 parts of dispersant and 0.1-5 parts of auxiliary agent. The silicone-modified acrylate prepolymer is used to improve the flexibility, smoothness and water resistance of the ink layer, and the specific functional monomer compound system is used to inhibit the curing shrinkage and enhance the adhesion, so that the UV white ink with excellent comprehensive performance is obtained, and is suitable for the inkjet printing of silica gel labels.

The utility model discloses a novel antifouling film. The novel antifouling film comprises a rolled film body and an antifouling base layer, winding drums are inserted into the inner wall of the roll film body, spiral threads are formed in the left and right sides of the outer walls of the winding drums, and sleeves are installed on the left and right sides of the outer walls of the two winding drums through the spiral threads in a threaded mode. According to the utility model, the protective paper of the antifouling film is directly torn off for use by adopting a back adhesive technology instead of a back adhesive paper technology, the installation operation is convenient, and the oil-proof bonding layer is made of PVC (Polyvinyl Chloride) resin, so that the antifouling film is non-toxic and harmless, has excellent oil repellency and waterproofness and cannot permeate stains, thereby enhancing the waterproofness and moisture resistance of the film; by arranging the silicone oil and the oil-proof additive, the surface of the fireproof and oil-proof film is smoother and convenient to clean, and the adhesive is prepared from vinyl acetate, so that the fireproof and oil-proof film has good high-temperature resistance and chemical resistance, and the adhesion firmness and the adhesion covering rate between the fireproof and oil-proof film and a wall are enhanced; and therefore, the peeling phenomenon of the antifouling film is also prevented.

The invention belongs to the technical field of printing ink, and particularly relates to thermosensitive transfer printing ink as well as a preparation method and application thereof. The modified ferroferric oxide composite material and the carboxylated kaolin are matched with other components to obtain the mixed filler, and meanwhile, the silicon-containing phenolic resin is introduced into a polymer system, so that the tinting strength and adhesion fastness of the ink are effectively improved, and good initial dryness is ensured.

The invention provides special ink for digital ink jet and a preparation method thereof, and belongs to the technical field of ink. The special ink for digital ink jet is prepared from the following components in parts by weight: 30-40 parts of a water-based binder, 6-10 parts of a modified pigment, 0.3-0.6 part of polyethylene wax, 0.8-1.2 parts of a coalescing agent, 0.2-0.4 part of a flatting agent, 0.1-0.3 part of a defoaming agent and 10-20 parts of water, wherein the water-based binder is obtained by reacting polysorbate 60, sodium carboxymethyl cellulose, dioctadecyl dimethyl ammonium chloride, sodium bicarbonate, water, a core emulsion, a shell emulsion and a sodium persulfate aqueous solution; the modified pigment is obtained by modifying an inorganic pigment with a modification liquid. The special ink for digital ink-jet prepared by the invention can better adapt to the requirements of digital ink-jet printing by improving components and optimizing a formula, and has the advantages of strong adhesive force, good stability, fast curing, good glossiness, environmental protection and the like.

The invention discloses a polyester film with high adhesion to UV materials and a preparation method thereof, belonging to the technical field of polyester films. The preparation method of the polyester film comprises the following steps: preparing a first auxiliary agent, preparing a second auxiliary agent, preparing raw materials, and melt extruding; the preparation of the first auxiliary agent comprises the following steps: primary coating, primary crosslinking, secondary coating, and secondary crosslinking; the preparation of the second auxiliary agent comprises the following steps: coating and crosslinking; the melt extrusion comprises the following steps: putting the A layer raw material, the B layer raw material, and the C layer raw material into a No. 1 twin-screw extruder, a single screw extruder, and a No. 2 twin-screw extruder for melt extrusion, and then cooling and solidifying on the surface of a casting roll, and then longitudinally stretching and transversely stretching are performed to obtain a polyester film. The polyester film prepared by the invention has high transparency, good mechanical properties and surface properties, low haze, and high adhesion to UV materials.

The present application discloses an insulating coating for an energy storage cabinet and a preparation method thereof, and relates to the field of coatings. The insulating coating for the energy storage cabinet includes 100 parts by weight of a modified acrylic emulsion, 10-15 parts by weight of an insulating filler, 4-8 parts by weight of a silane coupling agent, 3-4 parts by weight of a wetting agent, and 20-30 parts by weight of a dispersant, and the modified acrylic emulsion adopts a copolymer emulsion of an unsaturated fluorosilicone resin, an alkyl acrylate, and a hydroxy acrylate monomer, and the unsaturated fluorosilicone resin adopts a reaction product of a glycidyl ether propyl mono-terminated polydimethylsiloxane and 4-amino-3-fluoroallyl benzoate. The present application modifies the acrylic emulsion by a specific unsaturated fluorosilicone resin, which can prevent the problem of the insulating coating being easily cracked in an outdoor environment. At the same time, it can improve the wettability of the insulating coating to metal materials, which is beneficial to improving the adhesion strength of the insulating coating to the energy storage cabinet, and can effectively extend the service life of the insulating coating.

This application provides an ink formulation and process for improving the stability of gravure proofing production, relating to the field of printing technology. The ink formulation provided in this application includes 60-70% binder, 10-18% pigment, 0.5-1% defoamer, 1.5-3% filler, 1-3% alcohol solvent, and water as the balance. The filler is silane coupling agent-modified calcium carbonate; the binder is an aqueous acrylic emulsion or polyurethane emulsion with a mass ratio of (30-85):(15-70). This polyurethane emulsion is prepared by reacting aliphatic diisocyanate and L-lysine diisocyanate with a polyol, and a 3-methoxy-4-hydroxymandelic acid chain extender is introduced. Using this ink formulation for printing avoids the low production efficiency and increased production costs caused by repetitive labor, achieving stable gravure printing production. The printed products have uniform and stable color, high adhesion, and good durability.

The invention relates to the technical field of packaging and printing, in particular to low-temperature water-resistant ink for printing a PE shrink film and a preparation method of the low-temperature water-resistant ink. The invention aims to solve the problems of low curing temperature and incompatible water resistance in the printing process of the PE shrink film in the prior art. According to the low-temperature water-resistant ink for printing the PE shrink film, polyurethane resin obtained by reacting a polyurethane prepolymer with a chain extender and an adhesive is used as a matrix; a complex obtained by copolymerizing and chelating the acrylic prepolymer and the chelate is used as another matrix; polymerizing the two matrixes under the action of a dispersing agent, a defoaming agent and a cross-linking agent to obtain a grafted polymer; and shearing, dispersing and preheating to obtain the low-temperature water-resistant ink. The low-temperature water-resistant ink prepared by the invention has excellent low-temperature curing performance and water resistance, and can meet the compatibility when being used for printing a PE shrink film.