537results about How to "Good anti-fog performance" patented technology

The invention discloses a fog-resistant aqueous pressure-sensitive adhesive for a polyethylene protection film. The adhesive is prepared by using the manner of seeded emulsion polymerization. According to the invention, seeded emulsion is prepared at first, then pre-emulsion is added into the seeded emulsion drop by drop, the seeded emulsion and the pre-emulsion fully react by replenishing an initiator, cooling and pH value adjusting are carried out, and a discharged material is filtered. The invention also provides a polyethylene protection film containing the fog-resistant aqueous pressure-sensitive adhesive and a preparation method thereof. Through adjusting utilization amount of a cross-linking agent and gelatinizing content, an appropriate peeling strength of the emulsion pressure-sensitive adhesive prepared in the invention can be obtained; the prepared protection film has good fog resistance when applied on sheet materials like steel plates and titanium plates.

The invention provides an antifogging coating, a preparation method of the antifogging coating and antifogging glass. The antifogging coating disclosed by the invention comprises at least one crosslinking layer and at least one antifogging layer, wherein the crosslinking layer and the antifogging layer are alternatively arranged to form the antifogging coating; the crosslinking layer plated on a base is arranged at one side of the antifogging coating; the antifogging layer is arranged at the other side. The antifogging coating has the advantages of being lasting in anti-fogging performance, and good in abrasive resistance, heat resistance and resistance to water solubility. The preparation method of the antifogging coating provided by the invention is scientific and reasonable in steps, simple and feasible in technology, low in cost and wide in application range. The antifogging glass provided by the invention has an excellent anti-fogging effect when the light transmittance is ensured.

The invention relates to a lens cleaning solution which is mainly formed by mixing a water-solubility solvent with the boiling point smaller than 100 DEG C, a surface active agent, an ant-fogging agent and water. The invention also provides a wet tissue using the lens cleaning solution. Compared with the prior art, the water-solubility solvent with the boiling point smaller than 100 DEG C, the surface active agent, the anti-fogging agent and other functional medicament are selectively compounded, and the advantages of the components in the lens cleaning aspect are fully exerted, so that the lens cleaning solution and the wet tissue containing the lens cleaning solution not only can well clean dust, fingerprints, oil stains and other spots on the lens, but also has good anti-fogging performance, and can avoid the problems of rusting, mildew and the like caused by water being attached to the parts such as a lens frame and a lens bracket so as to avoid affecting the service life of eyeglasses.

The invention discloses an anti-fogging oligomer. The anti-fogging oligomer is obtained by polymerizing one or a mixture of multiple of acrylic monomers containing hydrophilic groups, acrylic monomers containing hydroxyl, carboxyl and amino and an aliphatic long-chain type acrylic monomer, and reacting with an isocyanate group-containing acrylic monomer or oligomer; the weight-average molecular weight of the anti-fogging oligomer is 2,000 to 100,000. The invention also discloses a coating composition comprising the anti-fogging oligomer and preparation methods of the anti-fogging oligomer and the coating composition. The anti-fogging oligomer can be coated on the surface of a transparent substrate directly or serving as part of the coating composition; the anti-fogging oligomer can be cured by using ultraviolet light after the contained hydroxyls, carboxyl or amino are reacted with the contained isocyanate groups; the contained hydroxyls, carboxyl or amino can also improve the adhesion force between the anti-fogging oligomer and the substrate; the anti-fogging oligomer has good hydrolysis resistance because of the aliphatic long-chain type acrylic monomer; the coating composition has good anti-fogging performance and has great adhesion force with the substrate.

The invention relates to a super-hydrophilic self-clean anti-fog coat, process of preparation, and application, belonging to nanometer material preparation technical field. The inventive super-hydrophilic self-clean anti-fog coat is assembled by statistic and prepared by dip-coating method, with simple and cheap device, to support industrialization. The surface structure of the coat is similar with natural lotus leaf surface, and the coat is assembled from silicon dioxide composite particles similar as natural raspberry fruit structure. The coat can be used on glass product, especially on the substrates demanding anti-fog treatment in damp air condition, as southern rainy weather.

An antifogging paint composition for forming an antifogging coating film without generation of the running water trace. The antifogging paint composition contains a block or grafted copolymer comprising a hydrophilic polymer part formed from a vinyl monomer having a cross-linking functional group and a water-soluble vinyl monomer, and a hydrophobic polymer part formed from a non water-soluble vinyl monomer, and an acidic alkyl phosphate.

The invention relates to the technical field of functional polyester film, particularly relates to an anti-fog polyester film and a preparation method thereof, for solving the problems of thick thickness, bad thermostability, difficulty in applying in high-temperature high-humidity environment in existing anti-fog films. The anti-fog polyester film disclosed herein comprises a polyester base material, wherein the two sides of the base material is provided with anti-fog function layers, the polyester base material is a pure polyester layer, the material of the anti-fog function layers comprises 100 parts of polyester slices, 0.5-2.0 parts of anti-fogging agent, and 0.1-0.5 parts of synergist. The film disclosed herein has good transparency, good machining property, thin thickness, good thermostability, and good anti-fog performance, and can be applied in high-temperature high-humidity environment. The preparation method of the film is simple and easy to operate.

The object of the invention is to obtain an anti-fogging surface treating agent and an anti-fogging resin sheet having excellent anti-fogging property. In terms of 100 parts by weight of base composition, the anti-fogging surface treating agent contains 0.1 to 400 parts by weight (C) of non-ionic surface active agent such as sucrose fatty ester and the like, and / or 0.1 to 20 parts by weight (D) of anionic surface active agent such as paraffin sulfonate and the like. The base composition contains (A) C8-30 fatty amide such as alkanolamide and the like, and (B) water-soluble polymer such as vinyl pyrrolidone polymer. An anti-fogging resin sheet applied to shaping a deep-drawing container can be prepared by coating the surface treating agent on at least one face of the stilbene resin sheet.

A process for producing a hydrophilic member, includes: coating a surface of a base material with a hydrophilic composition containing at least (a) a catalyst, (b) a hydrophilic polymer and (c) a metal alkoxide; and drying the composition, wherein a temperature for the drying is from 10° C. to 60° C.

This invention relates to a perfectly or partially crosslinked olefinic thermoplastic elastomer composition which comprises 10 to 90 parts by weight of a crystalline polyolefin (a), 90 to 10 parts by weight of an olefin-based copolymer rubber (b) (the total amount of the components (a) and (b) being 100 parts by weight) and 3 to 100 parts by weight of a paraffinic mineral oil softening agent (c) having an evaporation loss of 0.4% by weight or less at a condition of 200° C., atmospheric pressure and 1 hour and having a kinetic viscosity (40° C.) of 50 to 250 cSt; an olefinic thermoplastic elastomer composition which is obtainable by subjecting a mixture including 40 to 85 parts by weight of an ethylene-based copolymer rubber (A), 60 to 15 parts by weight of an olefinic resin (B) and 45 parts by weight or less of a softening agent (C) [the total amount of the components (A), (B) and (C) being 100 parts by weight] to dynamic heat treatment in the presence of a crossliking agent and which has a gloss value of 80% or more and a haze value of 10% or less on glass plate when subjected to the fogging test at a condition of 100° C. and 3 hours according to the prescription of A method of DIN 75201; and a manufacturing method and use of the compositions.

An anti-fogging article having a substrate and an anti-fogging film on at least part of the surface of the substrate, wherein the anti-fogging film comprises a resin underlayer and a water-absorptive resin layer laminated in order on the substrate surface, the water-absorptive resin layer is composed mainly of a first cured epoxy resin obtained by reacting a water-absorptive resin layer-forming composition containing a first polyepoxide component consisting of a low molecular weight polyepoxide having molecular weight of from 200 to 800 and a high molecular weight polyepoxide having molecular weight of from 900 to 2,000 combined in mass ratio of from 30:70 to 70:30, and a first curing agent, and the resin underlayer is composed mainly of a second cured epoxy resin obtained by reacting a resin underlayer-forming composition containing a second polyepoxide component and a second curing agent, and has water absorption property lower than the water-absorptive resin layer.

A coating agent including photocatalyst particles dispersed in a titanium peroxide solution obtainable by causing titanium hydroxide (orthotitanic acid) gel to act with hydrogen peroxide being used as a material for the photocatalyzer film is used to a photocatalyzer film having photocatalyst particles supported therein. By forming a porous hydrophilic substance film on the photocatalyzer film, the defects of the film caused by the wiping can be prevented. Also, a film formed by using the coating agent including photocatalyst particles dispersed in a titanium peroxide solution at a temperature of from normal room temperature to 200° C. is of high porosity in comparison with a film formed at a higher temperature and with a film not having a photocatalyst particles dispersed therein. Consequently, the photocatalyzer film and the hydrophilic substance film have good adhesion property when use with each other.