34results about How to "Good anti-fog durability" patented technology

The invention relates to an antifogging agent composition and a transparent antifogging window membrane formed from the composition. The antifogging agent composition consists of 9-14wt% of hydrophilic resin, 55-76wt% of propylene glycol methyl ether, 3-10wt% of dimethyl methylamine, 1-5wt% of triethylenediamine, 1-5wt% of a levelling agent, 5-26wt% of isopropanol, and 5-24wt% of ethanol. The antifogging window membrane is composed of an antifogging agent coating (1), a transparent polyester membrane or transparent polyethylene membrane base material (2), an acrylic adhesive layer (3) and a release membrane (4), and all layers are integrated. The antifogging agent coating (1) is formed by the antifogging agent composition, while the acrylic adhesive layer (3) is formed by a mixture of an acrylic adhesive, a curing agent, toluene and butanone. The transparent antifogging window membrane has effective antifogging function and high light transmittance, as well as a protection effect.

The invention relates to a colored anti-fog window film capable of insulating ultraviolet light. The colored anti-fog window film consists of an anti-fog layer (1), a first polyester film or polyethylene film substrate (2-1), an ultraviolet insulating colored pressure-sensitive adhesive layer (3), a second polyester film or polyethylene film substrate (2-2), an ultraviolet insulating pressure-sensitive adhesive layer (4) and a release film (5) which are integrally compounded layer to layer, wherein the anti-fog layer (1) consists of hydrophilic thermocuring solvent type acrylic resin, propylene glycol monomethyl ether, dimethylformamide, a catalyst triethylene diamine, a flatting agent, isopropanol and ethanol; the ultraviolet insulating pressure-sensitive adhesive layer (4) consists of a mixture material which comprises a benzophenone ultraviolet absorbent, a benzotriazole ultraviolet absorbent, an acrylic acid adhesive, a curing agent and a solvent; the ultraviolet insulating colored pressure-sensitive adhesive layer (3) consists of the mixture of the ultraviolet insulating pressure-sensitive adhesive layer (4) and dyes. The colored anti-fog window film provided by the invention is long-lasting in insulating ultraviolet light, anti-fog and attractive in appearance.

The invention relates to an ultraviolet-blocking transparent antifogging window film. The ultraviolet-blocking transparent antifogging window film consists of an antifogging layer (1), a first transparent polyester film or polyethylene film base material (2-1), a first ultraviolet-blocking pressure-sensitive adhesive layer (3-1), a second transparent polyester film or polyethylene film base material (2-2), a second ultraviolet-blocking pressure-sensitive adhesive layer (3-2) and a release film (4) which are compounded into a whole, wherein the antifogging layer (1) is made from an antifogging agent composition consisting of hydrophilic thermocuring solvent-type acrylic resin SAA901, propylene glycol methyl ether, dimethyl formamide, a catalyst triethylenediamine, a leveling agent, isopropyl alcohol and ethanol; both the first ultraviolet-blocking pressure-sensitive adhesive layer (3-1) and the second ultraviolet-blocking pressure-sensitive adhesive layer (3-2) are made from a mixed material consisting of a benzophenone ultraviolet absorbent, a benzotriazole ultraviolet absorbent, acrylic adhesive, a curing agent and a solvent. The ultraviolet-blocking transparent antifogging window film can block ultraviolet lastingly and prevent fog lastingly.

An object of the present invention is to provide a curable composition, a coating, and a laminate which enable production of a coating that can exhibit excellent antifogging properties and is excellent in antifogging durability while maintaining a high hardness. The present invention relates to a curable composition including: at least one polyfunctional (meth)acrylamide compound selected from the group consisting of a compound represented by General Formula (I) and a compound represented by General Formula (II); and at least one betaine monomer selected from the group consisting of compounds represented by General Formula (IV) to (VI); and a coating and a laminate obtained by using the curable composition.

The invention discloses a high-and-low-temperature anti-fog gas-permeable polyolefin heat-sealing film for fruit and vegetable packaging. The high-and-low-temperature anti-fog gas-permeable polyolefinheat-sealing film comprises a corona layer, a core layer and a heat-sealing layer from top to bottom, wherein a layer ratio structure of three-layer co-extrusion is as follows: the layer ratio structure corona layer / core layer / heat-sealing layer of three-layer co-extrusion is HOPP / (HOPP and high-and-low temperature antifogging agent) / (mPE and LLDPE and PBS and high-and-low temperature antifoggingagent and superfine diatomite). According to the invention, a certain proportion of a high-and-low-temperature compound antifogging agent is added into a heat-sealing layer and a core layer, so thatthe film has high temperature and low temperature antifogging performance at the same time; superfine diatomite is added into the heat-sealing layer, so that the precipitation of the antifogging agentis delayed and the antifogging time of the film is prolonged by using the adsorption function of the superfine diatomite, and the granularity of diatomite can increase the gas permeability and the opening property of the film and increase the strength of the film so as to solve the problem of film strength reducing caused by addition of the antifogging agent and prepare the polyolefin heat-seal film being transparent, high in heat-seal strength and good in antifogging effect.

The invention discloses a method for preparing a heat-insulating, anti-fogging, self-cleaning super-hydrophilic transparent coating. Step 1, preparing nano-heat-insulating powder slurry dispersion; Step 2, preparing a hydrophilic polymer with a certain degree of crosslinking solution; Step 3, preparing a super-hydrophilic transparent coating with heat insulation, anti-fog, and self-cleaning functions; dispersing the nano-insulation powder slurry obtained in Step 1 and step 2 to obtain a hydrophilic polymerization with a certain degree of crosslinking Stir the material and additives evenly, then spray the obtained solution on the surface of the glass substrate, put the coated glass in an oven to dry, and after drying, you can get a super-friendly glass with heat insulation, anti-fog and self-cleaning functions. Water clear coat. The invention solves the problems of poor anti-fog durability, poor water resistance, poor weather resistance and impermanence to wiping existing in the existing super-hydrophilic coating.

The invention relates to an ultraviolet light cured antifogging coating. The ltraviolet light cured antifogging coating adopts antifogging activated resin which contains activated double bond and can be cured by ultraviolet light as the main film-forming resin, and is prepared by mixing, based on total weight of the antifogging coating, 32-60% of the antifogging activated resin, 10-25% of activated diluent, 1.5-2.5% of photoinitiator, 25-40% of solvent, and 0.1-1% of adjuvant. The antifogging activated resin is prepared by subjecting reactive nonionic surfactant allyloxy nonyl phenoxy propanol polyoxyethylene ether, (methyl) acrylic acid and (methyl) butyl acrylate to free radical polymerization, and grafting and modifying by the polymer via glycidyl methacrylate, wherein the amount ratio of the glycidyl methacrylate to the (methyl) acrylic acid is 1-1.4. The film formed by the coating cured by the ultraviolet light is high in water resistance performance, durable in antifogging effect and high in hardness, and wiping resistance is improved remarkably.

The invention discloses a super-thermal hydrogen treatment method of durable anti-fog plastic sheet, which comprises the following steps: (1) pretreating a plastic substrate with a low-temperature plasma surface finishing machine; (2) spreading a solution containing polymer / nano-silica onto the surface of the pretreated plastic substrate; and (3) stoving the plastic substrate, and then performing super-thermal hydrogen treatment of the plastic substrate to obtain the durable anti-fog plastic sheet. The preparation technology of the durable anti-fog plastic sheet is green and environment-friendly, and can be used for directly grafting and modifying a common hydrophobic polymer substrate with a hydrophilic polymer, a final product has high transparency and a certain permeability improvement effect, and meanwhile the anti-fog performance of the surface of a sample is durable so as to overcome the defect of poor anti-fog durability of the conventional anti-fog product.

The invention relates to an antifoggant composition and an antifog and heat-insulation colored window film formed by the composition. The antifoggant composition consists of the following components in percentage by weight: 9%-14% of hydrophilic resin, 55%-76% of propylene glycol monomethyl ether, 3%-10% of dimethyl amine, 1%-5% of triethylenediamine, 1%-5% of flatting agent, 5%-26% of isopropyl alcohol and 5%-24% of ethanol. The antifog and heat-insulation colored window film is formed by compounding an antifoggant coating (1), a first transparent polyester film or transparent polyester film substrate (2-1), a colored heat-insulation crylic acid adhesive layer (3-1), a second transparent polyester film or transparent polyester film substrate (2-2), a crylic acid adhesive layer (3-2) and a release film (4) into a whole, wherein the antifoggant coating (1) is formed by the antifoggant composition, and the colored heat-insulation crylic acid adhesive layer (3-1) contains specific heat insulation substances. The window film is antifogging, beautiful and heat-insulating.

The invention belongs to the technical field of preparation of anti-fog agents for automotive glass and particularly discloses a long-acting anti-fog agent for automotive glass and a preparation method of the anti-fog agent. The anti-fog agent comprises raw materials in percentage by mass as follows: 10%-15% of modified nano-silica sol, 1%-2% of a modified polyacrylate solution, 1%-3% of polyethylene glycol 1000, 2%-3% of OP-10, 0.5%-1% of sodium dodecyl sulfate, 0.5%-1% of sodium dodecylbenzenesulfonate, 8%-10% of glycerin, 5%-7% of propylene glycol, 15%-20% of ethyl alcohol and the balance of water, and the sum of total mass percentage composition is 100%. The anti-fog effect of the anti-fog agent is greatly enhanced through adoption of modified super-hydrophilic nano-silica; with adoption of the modified polyacrylate solution with better adhesion performance, super-hydrophilic nanoparticles and surfactant components can adhere to the glass without falling, so that the durability of the anti-fog agent is enhanced, and the anti-fog effect can be kept for 3 months.

The invention relates to an antifogging agent composition and a transparent antifogging window membrane formed from the composition. The antifogging agent composition consists of 9-14wt% of hydrophilic resin, 55-76wt% of propylene glycol methyl ether, 3-10wt% of dimethyl methylamine, 1-5wt% of triethylenediamine, 1-5wt% of a levelling agent, 5-26wt% of isopropanol, and 5-24wt% of ethanol. The antifogging window membrane is composed of an antifogging agent coating (1), a transparent polyester membrane or transparent polyethylene membrane base material (2), an acrylic adhesive layer (3) and a release membrane (4), and all layers are integrated. The antifogging agent coating (1) is formed by the antifogging agent composition, while the acrylic adhesive layer (3) is formed by a mixture of an acrylic adhesive, a curing agent, toluene and butanone. The transparent antifogging window membrane has effective antifogging function and high light transmittance, as well as a protection effect.

The invention discloses a preparation method of a water-based normal temperature self-crosslinking super-hydrophilic anti-fog coating. The problem of wiping; the specific steps of the super-hydrophilic anti-fog coating preparation method are to utilize respective raw materials and steps to prepare respectively hydrophilic polyacrylate, modified nano-silica sol and modified surfactant, and then The three are uniformly mixed with crosslinking agent and auxiliary agent, coated on the surface of the substrate, and dried naturally at room temperature to obtain a super-hydrophilic anti-fog coating. The preparation of the anti-fog coating is simple and pollution-free, environmentally friendly and has excellent comprehensive performance. It is coated on glass, the coating has good anti-fog durability, can be washed with water, the pencil hardness can reach H‑2H, and the water contact angle is 2 ‑5°, light transmittance ≥90%, can be used in optical products.

The present invention provides a one-component polyurethane coating composition capable of forming a cured coating film having good scratch resistance and excellent anti-fog persistence, and a resin member having the cured coating film. The polyurethane coating composition contains a specific amount of polyisocyanate (a), polyether polyol (b) and surfactant (c), and the polyether polyol (b) has a number average molecular weight of more than 300 and less than 600 Polyether polyol (b‑1), polyether polyol (b‑2) with number average molecular weight of 600 to 900, polyether polyol (b‑3) with number average molecular weight of 900 to 1800, all The above-mentioned surfactant (c) is an ionic surfactant having a hydroxyl group in a molecule, an anionic surfactant and / or an amphoteric surfactant not having a group reactive with an isocyanate group.

The invention relates to an ultraviolet-blocking transparent antifogging window film. The ultraviolet-blocking transparent antifogging window film consists of an antifogging layer (1), a first transparent polyester film or polyethylene film base material (2-1), a first ultraviolet-blocking pressure-sensitive adhesive layer (3-1), a second transparent polyester film or polyethylene film base material (2-2), a second ultraviolet-blocking pressure-sensitive adhesive layer (3-2) and a release film (4) which are compounded into a whole, wherein the antifogging layer (1) is made from an antifogging agent composition consisting of hydrophilic thermocuring solvent-type acrylic resin SAA901, propylene glycol methyl ether, dimethyl formamide, a catalyst triethylenediamine, a leveling agent, isopropyl alcohol and ethanol; both the first ultraviolet-blocking pressure-sensitive adhesive layer (3-1) and the second ultraviolet-blocking pressure-sensitive adhesive layer (3-2) are made from a mixed material consisting of a benzophenone ultraviolet absorbent, a benzotriazole ultraviolet absorbent, acrylic adhesive, a curing agent and a solvent. The ultraviolet-blocking transparent antifogging window film can block ultraviolet lastingly and prevent fog lastingly.

The invention discloses a polysiloxane and an application thereof. The polysiloxane is formed by reacting a semi-closed isocyanate prepolymer and an organic polymer silanol. The polysiloxane itself has an anti-fog function, and applying the polysiloxane to the anti-fog coating can realize UV ​​curing and increase the hardness of the coating.

The invention relates to an anti-fogging agent composition and an anti-fogging insulation window film formed thereby, wherein the anti-fogging agent composition comprises 9 to 14 wt% of hydrophilic resin, 55 to 76 wt% of propylene glycol monomethyl ether, 3 to 10 wt% of dimethyl methylamine, 1 to 5 wt% of triethylene diamine, 1 to 5 wt% of leveling agent, 5 to 26wt% of isopropanol and 5 to 24wt% of ethanol; the anti-fogging insulation window film comprises a first transparent polyester film or transparent polyethylene film substrate (2-1), a heat insulation acrylic adhesive layer (3-1), a second transparent polyester film or transparent polyethylene film substrate (2-2), an acrylic adhesive layer (3-2) and a release film (4), which are composited as a whole, wherein the anti-fogging coating (1) is formed by the anti-fogging agent composition; and the heat insulation acrylic adhesive layer (3-1) contains a specific insulation material. According to the invention, the anti-fogging insulation window film is anti-fogging, insulating and safe.

The invention discloses a method for preparing a UV-cured urethane acrylate anti-fog coating containing hydroxyl ammonium salt, which belongs to the technical field of acrylate preparation. The present invention synthesizes a monomer with ammonium salt, and then introduces it into the urethane acrylate oligomer. The product contains hydrophilic hydroxyl group and quaternary ammonium salt, which provides good hydrophilicity. It brings excellent anti-fog effect, good anti-fog durability, simple implementation method and short curing time, and realizes efficient process output. It can be widely used in fields requiring high anti-fog effects, such as architectural glass, automotive glass, and optical devices.

The invention relates to a UV anti-fog coating for a protective mask and a preparation method of the UV anti-fog coating. The anti-fog coating comprises the following components in parts by weight: 20-50 parts of hydrophilic acrylate oligomer; 15 to 45 parts of a hydrophilic reactive diluent; 1-10 parts of a high-functionality reactive diluent; 1-8 parts of a photoinitiator; 19.5 to 40 parts of a solvent; and 0.1-0.5 part of a leveling agent. The preparation method comprises the following steps: mixing the hydrophilic acrylate oligomer, the hydrophilic active diluent, the high-functional-group active diluent, the solvent and the photoinitiator, and then adding the flatting agent to obtain the UV anti-fog coating for the protective mask. Compared with the prior art, the prepared UV-cured super-hydrophilic anti-fog coating can be rapidly cured, the coating stability is good, the content of hydrotropic substances of the raw materials is high, the hydrophilic performance is excellent, the water resistance and the wear resistance are excellent due to the high-functional-group reactive diluent, the industrially-produced UV diluent with polyhydroxy groups is adopted to replace hydrophilic acrylate oligomer, and the cost is low.

The invention provides a urethane acrylate oligomer, which has a structure shown in a formula I. The urethane acrylate oligomer with the structure shown in the formula I is taken as matrix resin, and the ultraviolet-curing antifogging coating is provided, and comprises the urethane acrylate oligomer, a flatting agent, a defoamer, a photoinitiator and a silane coupling agent. The urethane acrylate oligomer provided by the invention comprises an ethoxy group and a fluoride group; the urethane acrylate oligomer has hydrophily by the ethoxy group; the urethane acrylate oligomer has low surface energy by the fluoride group, so that the ultraviolet-curing antifogging coating has lasting anti-fog performance. The experiment result shows that the primary anti-fog performance of the film cured by the ultraviolet-curing antifogging coating provided by the invention can be up to 10 levels, and the anti-fog persistence can be up to 8-10 levels.