87results about How to "Adequate adhesion" patented technology

The invention discloses a preparation method of modified emulsified asphalt for an ultra-thin wearing layer. The preparation method comprises the following steps: (1) preparing materials of asphalt, a modifying agent, a cationic quick-cracking type emulsifying agent and water according to the following matching ratio: 45.0-68.0% of asphalt, 3.0-4.0% of modifying agent, 0.25-0.45% of cationic quick-cracking type emulsifying agent, 0.5-2.0% of stabilizing agent, 1-5% of auxiliary agent and the balance of water; (2) rising the temperature of the asphalt to 160-189 DEG C, adding the modifying agent, stirring uniformly, grinding by a grinding machine, and controlling the particle size of the modifying agent to be less than 5mum, thereby preparing the modified asphalt; (3) adding the emulsifying agent and the stabilizing agent into water with the temperature of 40-60 DEG C, and adjusting the pH value to be 1.5-3 by using the auxiliary agent, thereby preparing soap liquid; and (4) preparing the modified asphalt obtained in the step (2) and the soap liquid in proportion by an emulsifying device. By virtue of the scheme, the obtained modified emulsified asphalt for the ultra-thin wearing layer has the advantages of strong adhesive property, high solid content and fast emulsion-breaking speed.

The present invention provides an adhesive sheet in which a plurality of through holes (2) penetrating from one surface to the other are formed in an adhesive sheet (1) provided with a base material (11) and an adhesive layer (12). The diameter of the through holes (2) is set at 0.1-300 μm, and the hole density is set at 30-50,000 / 100 cm2. In addition, the storage modulus of the adhesive layer (12) at Tmax (the highest temperature that can be exposed after being attached to the adherend) is greater than or equal to 4.5×103Pa, and the adhesive layer (12) is at Tmax The loss tangent under is less than or equal to 0.78. The adhesive sheet (1) can prevent or remove air pockets or air bubbles while ensuring sufficient adhesive force without impairing the appearance. In addition, even if it is exposed to high temperature after being attached to the adherend, the Gas is also excellent.

There is provided a positive photosensitive composition which requires no burning, makes it possible to obtain necessary and sufficient adhesion when it is applied under a humidity of 25 to 60%, is excellent in stability on standing and reproducibility, can be developed at a low alkali intensity, makes it possible to carry out development with keeping high sensitivity while forming no residue, ensures sharp edges, can provide a very hard resist film and is improved in scratch resistance in the handling before development. The positive photosensitive composition comprises, as essential components, (A) a high molecular substance having at least one carboxyl group and / or at least one acid anhydride group in a molecule thereof, (B) an amine compound, and (C) a photo-thermal conversion material that absorbs infrared rays from an image exposure light source to convert the rays to heat.

Disclosed is an aqueous dispersion containing (A) an ethylene-alpha-olefin copolymer, (B) a modified ethylene-vinyl acetate copolymer, (C) a photopolymerization initiator and (D) an ethylenically unsaturated monomer, and if necessary (E) an ethylene-vinyl acetate copolymer and (F) a nonaqueous organic solvent.

The present invention relates to an optical film comprising: a base film; and a primer layer formed on at least one surface of the base film and containing a polyester resin and water-dispersive microparticles, the difference in the refractive index between the base film and the polymer layer being 0.03 or smaller, wherein the polyester resin contains polyester glycol formed by a reaction of polybasic acid and polyol, the polybasic acid containing an aromatic carboxylic acid compound and an aliphatic carboxylic acid compound at a mole ratio of 1:9 to 9:1. Superior adhesive strength and a small refractive index difference between the optical film and a functional coating layer lead to a reduction in the rainbow phenomenon, and excellent optical properties.

The invention provides a fireproof infiltration coating sandwich wall cloth and a method for manufacturing the fireproof infiltration coating sandwich wall cloth or an object decoration method. The fireproof infiltration coating sandwich wall cloth comprises an undercoat layer and an infiltration coating composite sandwich coating composite body, wherein the surface of the undercoat layer is coated with the infiltration coating composite sandwich coating composite body, the infiltration coating composite sandwich coating composite body comprises a transparent or semitransparent second coatinglayer and a fiber texture network sandwich covered with the second coating layer, the fiber texture network sandwich contains a network structure formed by fibers, the second coating layer penetratesinto meshes of the network structure, and one or more of the second coating layer and the undercoat layer can be a fireproof coating layer. The wall cloth with skin textures and / or patterns can be produced in a standardized and large-scale mode, and good crack resistance, air permeability and decoration performance are achieved.

The invention provides heat-conducting silicone grease and a preparation method thereof. The heat-conducting silicone grease is prepared from the following components in parts by mass: 100 parts of polydimethylsiloxane, 5-20 parts of modified silicone oil, 1300-1800 parts of modified heat-conducting composite powder and 2-10 parts of a thermal gel additive. Through grading of spherical aluminum oxide with different particle sizes and by utilizing the characteristics of strong surface effect and small-size effect of nano quantum dots, cavity gaps dispersed among aluminum oxide particles are uniformly filled, so that the thermal resistance of the product is effectively reduced, the thixotropic index of the heat-conducting silicone grease is improved, and the heat-conducting silicone grease is endowed with a shear thinning characteristic; and meanwhile, the heat-conducting silicone grease has enough binding power, and the aging property of the heat-conducting silicone grease is improved.Meanwhile, the particle size distribution of the filler is strictly controlled, and the selected filler is very narrow in particle size distribution and has good monodispersity; the filler with the particle size larger than 20 microns is screened out through sieving processing, so that it is ensured that the filler grading effect is good, and gaps are avoided; and the heat-conducting silicone grease is low in thermal resistance value and excellent in aging performance.

The invention relates to a polyurethane modified asphalt waterproof paint, which is composed of the following raw materials by weight: 25-30 parts of a polyurethane prepolymer; 70-75 parts of 90# petroleum asphalt; 40-60 parts of water; 20-25 parts of polychloroprene latex; 4-7 parts of an emulsifier; 2-4 parts of polyvinyl alcohol; 1-3 parts of a coupling agent; 1-2 parts of polypropylene glycol;3-5 parts of trihexyl o-acetylcitrate; 0.1-0.5 part of pentaerythritol ester of hydogenated rosin; 1-3 parts of polyacrylamide; and 10-15 parts of modified nano calcium carbonate. The polyurethane modified asphalt waterproof paint prepared by the method provided by the invention has good film compactness and high stability, a waterproof layer formed by the waterproof paint in a building has largebonding strength with a building base surface and good waterproof effect, moreover, after modification, the product has substantially improved water tolerance, aging resistance, acid and alkaline resistance and the like, has a simple making process, and overcomes the disadvantages of tedious making, poor film compactness, poor waterproofness and aging resistance in previous water emulsified asphalt paint.

The invention relates to a modified asphalt waterproof paint for buildings. The modified asphalt waterproof paint is composed of the following raw materials by weight: 50-65 parts of 90# petroleum asphalt; 60-70 parts of water; 25-28 parts of styrene butadiene latex; 5-7 parts of an emulsifier; 2-4 parts of polyvinyl alcohol; 1-3 parts of a coupling agent; 5-7 parts of polyoxypropylene glycerol ether; 3-5 parts of triethyl citrate; 0.1-0.5 part of rosin glycerin ester; 1-3 parts of sodium polyacrylate; and 10-15 parts of modified nano calcium carbonate. The modified asphalt waterproof paint for buildings prepared by the method provided by the invention has good film compactness and high stability, can be used for buildings to form a waterproof layer, which has large bonding strength with the base surfaces of buildings and has good waterproof effect, moreover, after modification, the product has greatly improved water resistance, aging resistance, acid and alkali resistance and other properties, the making process is simple, and the modified asphalt waterproof paint overcomes the shortcomings of tedious making, poor film compactness, poor water resistance and aging resistance in previous water-emulsified asphalt paint.

The invention provides an alkali-resistant infiltration coating sandwich wall cloth, and a method for manufacturing the infiltration coating sandwich wall cloth, or an object decoration method. The alkali-resistant infiltration coating sandwich wall cloth comprises a closed bottom coating, a bottom color coating covering the surface of the closed bottom coating and an infiltration coating composite sandwich coating compound covering the surface of the bottom color coating; the infiltration coating composite sandwich coating compound comprises a transparent or semi-transparent second coating and a fiber texture network sandwich wrapped by the second coating; the fiber texture network sandwich contains a network structure formed by fibers; and the second coating penetrates into meshes of thenetwork structure. The wall cloth with textures and / or patterns can be manufactured in a standardized and large-scale mode, and has good crack resistance, air permeability and decorative performance.

The invention aims at the limitation that a thermal transfer ribbon is difficult to apply to the surfaces of substrates such as metal in the prior art, and provides a marking film for the surface of ahard smooth substrate. A method for preparing the marking film comprises the following steps: printing marking information on the surface of a TPU thin film through heat transfer printing via a thermal transfer ribbon, then carrying out heating and pressurizing to enable the TPU thin film to be melted and to be bonded with the surface of metal, and carrying out cooling to obtain the marking film.The thermal transfer ribbon comprises a ribbon base, wherein the two sides of the ribbon base are coated with a back coating and a thermal transfer layer respectively, and the thermal transfer layeris sequentially composed of a protective layer and a bonding layer from inside to outside from the surface of one side of the ribbon base. The marking film can reach the bonding strength required in application, is good in corrosion resistance, and avoids damage caused by chemical etching.

The invention discloses a method for preparing ecological concrete by synergistically utilizing coal chemical industry waste residues and wastewater. The method comprises the following steps: preparing a cementing material by using low-carbon coal gasification residues generated in a coal chemical industry process as a main cementing material and a small amount of excitant as an auxiliary material, sintering high-carbon coal gasification residues to prepare lightweight aggregate with light weight and high strength, adopting coal chemical industry high salinity wastewater as mixing water, proportioning according to a certain ratio to prepare the ecological concrete, and curing by using different curing systems to treat waste with waste so as to achieve the purposes of harmless treatment and resource utilization of coal chemical industry waste.