314results about "Priming paints" patented technology

The invention relates to the technical field of epoxy resin-based coating compositions, and discloses an isocyanate and organosilicon composite modified epoxy resin-based closed prime coating, which comprises a component A: composite modified epoxy resin; the component B is a curing agent; the component C is a ceramic filler; and the component A is prepared by mixing isocyanate, an organic silicon monomer and epoxy resin. The closed prime paint disclosed by the invention is beneficial to reducing coating shedding, prolonging the service life of the coating and reducing the frequency of maintenance and replacement.

The invention discloses a water-based pre-coating composition, a polyester optical film and a preparation method and application, and relates to the technical field of optical functional thin films, the water-based pre-coating composition comprises the following components by mass: 5-80 parts of first water dispersible resin; 1 to 80 parts of second water dispersible resin; 1 to 50 parts of water soluble resin; 0.1 to 50 parts of a cross-linking agent; 0-90 parts of a solvent; the water-soluble resin comprises polyvinyl alcohol, and the second water dispersible resin comprises at least one of water-based acrylic resin and water-based polyurethane; according to the water-based pre-coating composition, low-refractive-index water-soluble resin such as water-based acrylic resin and water-based polyurethane resin is added, the refractive index of a pre-coating layer of a polyester optical film is regulated and controlled, and the water-based pre-coating composition serves as a transition layer between a polyester base film and a subsequent functional coating, so that serious rainbow lines are prevented from appearing after coating of a functional surface coating is completed.

The present invention provides a modified polyolefin resin composition that exhibits excellent water resistance, excellent bending resistance, sufficient fluidity within a specific temperature range, and excellent adhesion to polyolefin substrates. Specifically, the present invention provides a modified polyolefin resin composition containing an acid-modified polyolefin resin (A) and a compound having a polymerizable unsaturated group (B), in which the compound having a polymerizable unsaturated group (B) contains a compound having a polymerizable unsaturated group with an elongation at break of 30% or more (B-1).

The application discloses a kind of water-resistant and electric breakdown-resistant PVC insulating electrician adhesive tape and preparation method thereof, and relates to the technical field of insulating electrician adhesive tape.The water-resistant and electric breakdown-resistant PVC insulating electrician adhesive tape includes PVC film layer and adhesive layer arranged on one surface thereof;The adhesive layer includes primer layer directly contacting the PVC film layer and pressure-sensitive adhesive layer arranged on the other surface of the primer layer.The PVC film layer includes the following raw material components: 50 parts of PVC resin, 10-15 parts of insulating filler, 15-20 parts of toughening agent, 2-4 parts of heat stabilizer, 0.25-0.75 parts of lubricant and 0.5-1.5 parts of antioxidant by weight fraction;The primer layer includes the following raw material components: 50 parts of acrylate monomer, 6-8 parts of unsaturated acid, 2-3 parts of photoinitiator and 0.5-1 part of antioxidant by weight fraction.

Thermoplastic primer compositions may include a high surface energy thermoplastic resin having a surface energy of 37 dynes / cm or greater, at a percent by weight (wt %) of 55 wt % to 90 wt %; a low surface energy thermoplastic resin having a surface energy of less than 37 dynes / cm, at 10 wt % to 45 wt %; wherein the thermoplastic primer composition has a glass transition temperature in the range of 60° C. to 120° C. Multilayer compositions may include a substrate having a surface energy of 37 dynes / cm or greater; a primer layer containing a thermoplastic primer composition; and one or more thermoset adhesive layers.

The invention relates to an interlayer separant and application thereof. The interlayer separant is used between a polyurethane coating and an asphalt coiled material and is formed by a polyurethane coating, and the polyurethane coating comprises the following components: maleic anhydride modified polyurethane, silane modified polyurethane, maleic anhydride modified colloid and a solvent; the maleic anhydride modified polyurethane is obtained by reaction of raw materials including polyol, maleic anhydride, isocyanate and a catalyst; the silane modified polyurethane is obtained by reaction of raw materials including polyol, a silane coupling agent, isocyanate and a catalyst; the colloid is selected from one or a combination of more of petroleum resin, asphalt, rosin resin, terpene resin, butadiene-styrene rubber and butyl rubber; the maleic anhydride modified colloid is obtained by reacting raw materials including maleic anhydride, colloid and an initiator. The interlayer separant can isolate migration of auxiliaries such as a plasticizer in a traditional polyurethane coating and improve the compatibility and bonding performance of the traditional polyurethane coating and an asphalt coiled material.

The present invention provides a paint composition that has excellent resistance to high-pressure car washing on polyolefin resin substrates, that exhibits good adhesion to both non-polar substrates, such as polyolefin substrates, and polar substrates, such as polycarbonate substrates and ABS substrates, as well as good water resistance, and that also has good storage stability. Specifically, the present invention provides a paint composition comprising a modified polyolefin (A) and a (meth)acrylic resin (B), the modified polyolefin (A) having a glass transition temperature of -30°C or higher, the (meth)acrylic resin (B) comprising a polymer of a radically polymerizable compound (b1), and the radically polymerizable compound (b1) comprising at least one of (meth)acrylate having an alkoxymethyl group and (meth)acrylate having an alkoxyethyl group, the (meth)acrylic resin (B) having a glass transition temperature of 0°C or higher, and the (meth)acrylic resin (B) having a hydroxyl value of 5 to 150 mgKOH / g.

A composition in the form of a solution or dispersion comprising an anhydride-modified polyolefin, an anhydride-modified styrene block copolymer, and an isocyanate-containing crosslinker, wherein the anhydride-modified polyolefin and the anhydride-modified styrene block copolymer are present in a combined amount of 7 wt% to 18 wt% of the composition, the weight ratio of the anhydride-modified polyolefin to the anhydride-modified styrene block copolymer being in the range of 2:1 to 6:1, the weight ratio of the combined anhydride-modified polyolefin and the anhydride-modified styrene block copolymer to the isocyanate-containing crosslinker being in the range of 0.2:1 to 0.5:1, and the solvent includes a ketone as a first solvent and an alkylbenzene or alkane solvent. The composition can be used for bonding TPO to TPU, polyester, or PU. The composition can be used for bonding a first TPO component or coating to a second TPU, polyester, or PU component by applying heat and, optionally, pressure, and the resulting adhesion improves peel strength.

The application provides a PET sandwich composite wood grain plate and a preparation process thereof, and has a surface micro-crease structure, comprises a primer and a topcoat, and the polymerizable monomers, namely, vinyl benzimidazole and vinyl imidazole, in the topcoat have photosensitive groups, namely, benzimidazole and imidazole, can synergize with a photoinitiator, promote the generation and transmission of free radicals under the action of UV light, increase the free radical concentration, can strengthen the UV energy gradient change from the topcoat to the primer, increase the micro-crease size, promote the diffuse reflection of light on the surface layer, reduce the gloss, and improve the scratch resistance and hardness.

The invention discloses a method for preparing a corrosion-resistant composite film by using an acyl fluoride byproduct, and belongs to the technical field of preparation of corrosion-resistant films on surfaces of steel materials. The method comprises the following steps: by taking a perfluoropropylene oxide (HFPO) acyl fluoride byproduct as a raw material, mixing the raw material with a solvent and an acid-binding agent to prepare a film-forming agent; and double-layer self-assembly of a polyacrylic acid layer and an acyl fluoride by-product film layer is carried out on the surface of the steel by combining a polyacrylic acid mixed solution, and the corrosion-resistant composite film is formed on the surface of the steel after high-temperature curing. According to the invention, the high value of the HFPO byproduct is realized, the dripping time of the copper sulfate of the composite film reaches 298-426 s, and the electrochemical corrosion resistance is excellent; and chromizing and phosphating pollution processes are not needed, the process is simple and convenient, the cost is low, and the method is suitable for steel materials and can be popularized to the field of manufacturing of buildings, automobiles and major equipment.

A water repellent and oil repellent member which has a functional film layer serving as the first layer on at least one surface of a base material, while having a primer layer serving as the second layer on the outer surface of the functional film layer and additionally having a water repellent and oil repellent layer serving as the third layer on the outer surface of the primer layer, wherein: the primer layer is formed of a layer that has a film thickness of 10-500 nm, while being mainly composed of an organosilicon compound which has a plurality of silanol groups in each molecule; and the water repellent and oil repellent layer is formed of a layer that has a film thickness of 0.5-50 nm, while being mainly composed of a cured product of a hydrolyzable fluorine-containing compound. This water repellent and oil repellent member has excellent rubber eraser abrasion resistance, while exhibiting excellent antistatic properties. In addition, the present invention is capable of forming a water repellent and oil repellent layer having excellent rubber eraser abrasion resistance and excellent antistatic properties on various base materials.

Provided is a white laminated polyester film that has blocking resistance when water adheres and has excellent adhesion to UV ink. A white laminated polyester film comprising a polyester resin layer and a coating layer on at least one surface of the polyester film substrate, the coating layer being formed by curing a composition containing a urethane resin with a polycarbonate structure and a branched structure, a crosslinking agent, and a polyester resin. The crosslinking agent is preferably a compound containing three or more blocked isocyanate groups.

This invention provides an anti-fouling and anti-wear polyurea coating, its preparation method, and its application method, belonging to the field of petroleum drilling and production technology. The coating includes a primer and a topcoat; the topcoat includes component A and component B. Component A includes: isophorone diisocyanate, polyethylene glycol, a dispersion of partially reduced graphene oxide modified with α-Al₂O₃ and YSZ nanopowders, and a mixture of α-Al₂O₃ micro / nano powders and YSZ micro / nano powders; component B includes: a chain extender, terminal amino polyethers, a diluent, a foaming agent, modified nano-molybdenum disulfide, and additives; the primer includes component C and component D. Component C includes: isophorone diisocyanate, polyethylene glycol, a dispersion of partially reduced graphene oxide modified with cerium dioxide nanopowders, a mixture of cerium dioxide micro / nano powders and yttrium oxide-stabilized zirconium oxide micro / nano powders; component D includes: a chain extender, terminal amino polyethers, a diluent, a foaming agent, modified nano-cerium dioxide, and additives.

A packaging film includes a gas barrier film, an adhesive layer, and a sealant layer in this order. The gas barrier film includes a substrate layer, an anchor coat layer, and a vapor deposition layer in this order, the substrate layer includes a polyolefin substrate layer containing a polyolefin-based resin, the anchor coat layer contains a polyurethane resin, and the anchor coat layer has a thickness of 0.02 μm or more. The adhesive layer is obtained by bonding an adhesive resin composition containing a polyolefin adhesive resin to the gas barrier film by melt extrusion, and the sealant layer contains a polyolefin-based resin.

A nonelectrolytic plating primer composition according to the present invention contains a phenoxy resin (A), and 25-65 parts by mass of a melamine resin (B) with respect to 100 parts by mass of the phenoxy resin (A).

To provide: a self-multilayered anticorrosive coating; and an accompanying method of self-multilayered anticorrosive coating on a base material.SOLUTION: A self-multilayered anticorrosive coating includes: sacrificial metal particles; a graphite material; at least two different monomers or polymers; silane selected from the group consisting of alkoxysilane, dialkoxysilane, trialkoxysilane, and tetraalkoxysilane; and a material that prevents polymerization of at least one kind of monomer in the interior of the coating.SELECTED DRAWING: Figure 1

The corrosion resistance of converted coated metal substrate surfaces can be further improved by treating the surfaces with an aqueous mixture of a preformed reaction product obtained by reacting a catechol compound (e.g., dopamine or a salt of dopamine) with a functionalized co-reacting compound (e.g., polyethyleneimine).

The invention discloses a super-hydrophobic anti-reflection composite optical film for AR glasses and a preparation method and application of the super-hydrophobic anti-reflection composite optical film, and belongs to the technical field of display optical films. The super-hydrophobic anti-reflection composite optical film comprises an optical substrate layer, a silicon-based anti-reflection bottom layer and a self-repairing super-hydrophobic functional layer; the preparation method comprises the following steps: 1) pretreating the optical substrate layer; 2) preparing a silicon-based anti-reflection bottom layer; (3) preparing a pre-polymerization solution of the self-repairing super-hydrophobic functional layer; and 4) coating and curing the self-repairing super-hydrophobic functional layer. The coating is endowed with intrinsic self-repairing capacity by introducing the tellurium bond, unification of high light transmittance, super-hydrophobicity and excellent mechanical durability is achieved through cooperation of the hybrid anti-reflection design and the nano-composite structure, the method is suitable for AR lenses, and the technical bottlenecks that in a traditional scheme, an anti-reflection film is prone to cracking, the hydrophobic function is not resistant to abrasion, and self-repairing cannot be achieved can be effectively solved.

The invention relates to the technical field of material surface treatment, in particular to a PPEM-GT coating compounding process which comprises the following steps: S1, pretreating a base material; step S2, preparing a PPEM primer; s3, coating of a PPEM primer is carried out; s4, preparing a GT intermediate layer material; step S5, coating a GT intermediate layer; s6, preparing a surface coating material; and S7, a surface coating is coated. The nano silicon dioxide is added into the PPEM primer, the graphene and the nano titanium dioxide are introduced into the GT intermediate layer, and the nano aluminum oxide is added into the surface coating, so that the composite coating has relatively high hardness and good wear resistance.

An adhesion promoter for non-conductive surfaces is disclosed that combines a polyolefin with co-resins in a colloidal suspension in water. The colloidal suspension in water is prepared from mixing a solid-powder composition that includes the polyolefin and the co¬ resins with water. The colloidal suspension in water is applied to a low surface energy, non- conductive substrate, such as thermoplastic olefins, in order to make the substrates conductive for electrostatic painting.

The invention discloses a radiation refrigeration material, a preparation method and a preparation device, and the radiation refrigeration material comprises a primer layer, a middle paint layer and a finish paint layer, the primer layer is doped with titanium dioxide nano particles; the middle paint layer is doped with aluminum oxide or barium sulfate nanoparticles; and the finish paint layer is doped with silicon dioxide nanoparticles and a fluorescent material. The preparation method of the radiation refrigeration material comprises the following steps: S1, respectively preparing the primer, the intermediate paint and the finish paint through weighing, stirring, grinding and filtering processes; s2, the surface of an object is coated with primer, and a primer layer is formed; s3, the surface of the primer layer is coated with intermediate paint, and an intermediate paint layer is formed; and S4, the surface of the middle paint layer is coated with finish paint to form a finish paint layer. The radiation refrigeration material preparation device comprises a stirring barrel, a stirring shaft and a feeding pipe. According to the scheme, the spectral selectivity, durability, environmental friendliness and attractiveness of the refrigeration material can be effectively guaranteed.

Provided is a coated article comprising a resinous base, a primer layer disposed on the resinous base, a hardcoat layer disposed on the primer layer, and an optically modified layer formed on a surface-layer portion of the hardcoat layer,wherein the primer layer is a cured coating film formed from a primer composition comprising (A) a vinyl-based (co)polymer and (B) inorganic particles having a given median diameter, the vinyl-based (co)polymer (A) including (A-1) a vinyl-based (co)polymer having an alkoxysilyl group and the primer layer having a thickness of 1-20 μm, andthe hardcoat layer is a cured coating film formed from a silicone composition comprising (a) a silicone resin, (b) colloidal silica, and (c) an ultraviolet absorber, the hardcoat layer having a thickness of 1-15 μm.

The invention relates to a super-hydrophilic anti-fog coating based on an amphiphilic bottom layer and a preparation method of the super-hydrophilic anti-fog coating, and belongs to the technical field of polymer functional coatings. The invention aims to solve the problems of poor adhesive force, short antifogging time and insufficient durability of the existing antifogging coating. The surface of a base material is coated with an amphiphilic bottom layer composed of a hyperbranched polymer, then the base material with the bottom layer is soaked in a reductive metal ion solution, metal ions permeate into the bottom layer, then the base material is soaked in a deoxidized super-hydrophilic monomer solution, monomer polymerization is catalyzed in situ through the metal ions, and the super-hydrophilic polymer is obtained. A super-hydrophilic surface layer grows from the interior of the bottom layer. According to the method, through the composite structure of the bottom layer and the surface layer, the lasting anti-fog performance of the coating in a high-humidity environment is guaranteed, the overall adhesive force and the swelling resistance are improved, meanwhile, the coating is suitable for a base material in a complex shape through the thixotropic characteristic of the hyperbranched bottom layer and a surface initiation technology, and synergistic improvement of the anti-fog performance, the durability and the technology adaptability is achieved.

The invention relates to a back coating film, a protective film applying the back coating film and a preparation method, the back coating film comprises a two-layer structure of a bottom layer and a surface layer, the bottom layer adopts a reaction type slipping agent, the surface layer adopts a non-reaction type slipping agent, and after the protective film is formed after a base material is formed into a film, the bottom layer and the surface layer both form a structure with the friction coefficient gradually increased from inside to outside. The friction coefficient of the surface layer is higher than that of the bottom layer. On the premise of not increasing the total dosage of the slipping agent for the back coating film, the surface friction coefficient of the back coating film is further reduced, and the damage to the bonding performance of the back coating film and a base material is avoided. The protective film is convenient to wind and unwind in the high-speed production process, and the film surface performance of the protective film is not damaged.

The invention discloses a glass glaze coating of a metal matrix, a preparation method of the glass glaze coating and a vacuum cup adopting the glass glaze coating. The metal matrix coating comprises a bottom coating, a coating layer and a coating layer, wherein the bottom coating contains nano zirconium oxide and a silicon-containing inorganic compound; wherein the expansion coefficient of the bottom coating is controlled within the range of + / -20% of the expansion coefficient of the metal matrix by adjusting the mass ratio of the nano zirconium oxide to the silicon-containing inorganic compound; a surface layer formed on the undercoat layer; wherein the surface layer is a glass layer or a porcelain glaze layer modified by nano-zirconia. By optimizing coating components and a production process, the corrosion resistance, the antibacterial property and the heat preservation performance of the metal heat preservation container are remarkably improved, and meanwhile the environmental protection problem of a traditional process is solved. The technology can be widely applied to the fields of stainless steel, titanium alloy and other containers such as vacuum cups and thermos kettles, and has high market value.

Use of a coating composition on a chromium-free tinplate substrate, the coating composition comprising: a polyester material, and a benzoguanamine or a derivative thereof wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE), and bisphenol F diglycidyl ether (BFDGE).

The invention relates to the technical field of printing ink, in particular to a surface treatment method for improving the adhesive force of a coating, which comprises the following steps: S1, pretreating a base material; s2, composite plasma treatment; s3, coating of a modified base coat; s4, printing ink printing; according to the method, a dust removal mode of combining high-pressure air purging and vacuum adsorption is adopted, and the alkaline degreasing agent with a specific ratio is matched for soaking treatment, so that large-particle impurities and fine dust on the surface of the base material can be quickly removed by controlling the purging pressure and the adsorption vacuum degree; sodium hydroxide, sodium carbonate and fatty alcohol-polyoxyethylene ether in the alkaline degreasing agent have a synergistic effect, and surface oil stains can be thoroughly decomposed and removed, so that a clean and impurity-free base material surface is provided for subsequent treatment, and the problem of poor coating binding force caused by incomplete treatment in a traditional cleaning mode is solved. According to the pretreatment mode, an isolating layer formed by residual impurities is avoided, and a foundation is laid for tight combination of a base material and a subsequent coating.

It is an object of the present invention to provide a primer composition for surface-printed flexible packaging, an ink set, a surface-printed matter, and an inkjet printing method, which can impart excellent solid uniformity, bleeding resistance, abrasion resistance, alcohol resistance, and heat resistance to a coating film when an inkjet image is formed after applying the primer composition. Provided is a primer composition for surface-printed flexible packaging comprising an acryl-based resin emulsion emulsified with a polymer, N-oleoyl sarcosine, a hydrazine-based compound having at least two or more hydrazine residues in a molecule, and wax, wherein a content of the acryl-based resin emulsion is 3 to 40% by mass in terms of solid content, and wherein a glass transition temperature of the acryl-based resin emulsion is-40 to 30° C.

To provide a multi-component organic solvent-based primer paint composition that has good finish and adhesion, and excellent substrate opacity and drying properties, and a repair painting method using the same. [Solution] A multi-component organic solvent-based primer paint composition obtained by mixing a main component (I) and a curing agent component (II), wherein the main component (I) comprises an acrylic polyol (A), a pigment composition (B), and an organic solvent (C), the curing agent component (II) comprises a polyisocyanate compound, the acrylic polyol (A) contained in the main component (I) comprises an acrylic polyol (A1) with a glass transition temperature of 40 to 70°C and an acrylic polyol (A2) with a glass transition temperature of 0 to 30°C, and the pigment composition (B) contained in the main component (I) contains barium sulfate and clay as part of its components.

Provided is an optical laminate which can suppress visibility from decreasing in a high-temperature environment.　The optical laminate comprises a metal oxide-containing layer on a plastic film, wherein the emissivity of the optical laminate for light having a wavelength range of 2000-22000 nm is 0.27 to 0.75 as measured from the metal oxide-containing layer side with reference to the plastic film.