43results about How to "Achieve hydrophobicity" patented technology

The invention discloses a flame-retardant SBS modified asphalt waterproofing membrane and a preparation method thereof. During preparation, polyester felt is used as the base, flame-retardant asphalt is coated on both sides, and the waterproofing membrane is obtained after the film is applied and dried; In this plan, in order to improve the flame retardant performance of the waterproof membrane, this application introduces decabromodiphenyl ethane and antimony oxide with a mass ratio of 1:1 during the preparation of flame retardant asphalt. Antimony works synergistically to improve the flame retardant properties of waterproof membranes. The waterproofing membrane prepared by this application not only has excellent waterproofing performance, but also has excellent flame retardant properties; and when the waterproofing membrane is actually used, when the outer layer of asphalt material falls off and breaks due to external force, the waterproofing membrane still has relatively excellent properties. Excellent flame retardant and waterproof performance, long service life and high practicality.

The invention discloses a construction method of a permeable roof system. The construction method comprises the following steps of: (1) arranging a waterproof layer on a beam slab of a roof concrete structure and an upstream face which is built at the corner position of a rooftop wall; and (2) arranging a moisture absorption and desorption dewatering packing layer on the waterproof layer, wherein the moisture absorption and desorption dewatering packing layer is made of a breathable water-absorbing material and has the functions of moisture absorption and desorption and dewatering. The invention also provides the permeable roof system which comprises the waterproof layer and the moisture absorption and desorption dewatering packing layer. The invention also provides a foam heat retaining panel and a dewatering panel which are used for the permeable roof system. The permeable roof system is capable of meeting the heat preservation energy saving requirement of the roof, facilitates the reduction of the heat island effect of buildings, and also causes the service life of water damage preventive measures for the roof to be as long as the service life of the main body structure so that the roof structure can be easily repaired once cracks and leakage occur; and the permeable roof system has the characteristics of easily aviable material, convenience in construction and maintenance and the like.

The invention discloses a preparation process of a decorative board containing a polyurethane thermal insulation layer. The specific preparation process is as follows: soak the support isolation layer in ethylenediamine solution, remove and wipe the excess ethylenediamine on the surface, and then isolate the support after wiping The layer is fixed under the mold, and then the polyurethane material to be sent is injected into the mold to obtain a thermal insulation support board; the thermal insulation support board is soaked in 3‑(2,3‑glycidyloxy)propyltrimethoxysilane and then taken out and dried , coating a layer of epoxy resin adhesive on the bottom surface of the decorative layer, and then bonding the decorative layer to the surface of the supporting isolation layer of the hydrophobic thermal insulation support board through the epoxy resin adhesive to obtain a decorative board. In the present invention, a high-strength support and isolation layer is arranged between the thermal insulation layer and the soft porcelain decorative layer, so that the strength of the decorative board can be improved, and after a period of use, a new decorative layer can be directly torn off and re-pasted, and the There will be no decorative layer residue on the surface of the rear support isolation layer, which will not affect the secondary paste.

The invention discloses a hydrophobic high-nickel ternary material and a preparation method thereof. The preparation method comprises the following steps: S1: preparing a fluorosilane solution; S2: preparing a hydrophobic and high-nickel ternary positive electrode material; S3: sintering heat treatment to obtain surface stability A high-nickel ternary cathode material with a structured hydrophobic layer. The invention uses fluorosilane to hydrolyze in an acidic environment to form a layer of hydrophobic layer on the surface of the high-nickel ternary positive electrode material, and through sintering heat treatment to make the surface structure more stable, so as to realize the hydrophobicity of the high-nickel ternary material and improve the high-nickel ternary material Homogenization and coating processing performance of ternary positive electrode materials, prevent pole pieces from absorbing water during storage, reduce side reactions between water and electrolyte, and significantly improve electrical properties of lithium-ion batteries. At the same time, the preparation process is simple, and the cost is low, and it is easy to realize industrial change.

The invention provides a cyano-containing polyarylethersulfone / polyethersulfone coating composition and a preparation method thereof and belongs to the technical field of coating. The cyano-containingpolyarylethersulfone / polyethersulfone coating composition takes a mixture of polyethersulfone resin and cyano-containing polyarylethersulfone resin as film-forming resin; a preparation technology comprises the following steps: dissolving the polyethersulfone resin and the cyano-containing polyarylethersulfone resin into a compound solvent composed of N-methylpyrrolidone, dimethylacetylamide, toluene, butanone and the like at a stirring peed of 3200 to 3800r / min; then adding components including pigment and filler and the like in sequence and grinding in a sand grinder for 2 to 6h. The preparation and coating technologies of the coating, provided by the invention, are simple to operate, production equipment is easy to realize and an applicable range is relatively wide; a prepared coating layer has good impact resistance, corrosion resistance and the like; meanwhile, the cyano-containing polyarylethersulfone is added, so that the attachment force of the coating layer is further improvedwhen being compared with that of a pure polyethersulfone coating layer.

A manufacturing method for a copper-based super-hydrophobic surface structure mainly includes that step 1, a metal copper base is pre-processed; step 2, a layer of photoresist is coated on the surface of the processed copper base in a rotation mode, and the photoresist layer attached to the surface of the copper base forms a well-aligned porous array template through photoetching processing; step 3, the copper base with the well-aligned porous array template obtained in the step 2 is used as an anode and soaked in a CuSO4 solution to form a primary battery to conduct a reaction for 4-8 min; step 4, the copper base of the primary battery obtained in the step 3 after reaction is finished is soaked into an AgNO3 solution to conduct in-situ reduction for 30-70s; step 5, the copper base subjected to the reaction in the step 4 is subjected to silanization processing, and the copper-based super-hydrophobic surface structure is manufactured. By means of the method, two simple redox processes are utilized to obtain a layer of micro-nano dual-scale structure similar to the lotus leaf surface on the surface of copper metal, hydrophobe is achieved, the performance of the manufactured super-hydrophobic surface is stable, a contact angle between the super-hydrophobic surface and a water solution with a pH value ranging from 1 to 14 can be larger than 155 degrees, and the minimum rolling angle can be smaller than 1.5 degrees.

The invention relates to a hydrophobic treatment agent for the inner surface of concrete and a preparation method thereof, in particular to a technology for coating hydrophobic shell-based powder with a water-soluble polymer substance. The coated hydrophobic shell-based powder is added to the concrete, and then mixed evenly. The method of the invention can form a hydrophobic surface inside the concrete to prevent the intrusion of external erosive ions, thereby improving the durability of the concrete, and the final commercialized form of the invention is a powder, which is convenient for storage, transportation and use.

The invention discloses a novel energy-saving building structure. The novel energy-saving building structure comprises a solar photovoltaic panel and a framework used for installing the solar photovoltaic panel, and also comprises a plurality of transversely arranged transverse beams arranged in parallel in the front-back direction; supporting beams are arranged among the plurality of transverse beams in the front-back direction; each supporting beam is of a U-shaped structure; the two ends of the top of each supporting beam are bent towards the outer side in a right-angle mode to form a supporting part; a groove is formed in the bottom of each supporting beam; and a left flow guide groove and a right flow guide groove are formed in each supporting beam through the groove. The product has high waterproof performance, and the use amount of concrete can be reduced.

The invention discloses a leather-care waterproof film-forming agent and a preparation method thereof. The leather-care waterproof film-forming agent contains the following raw materials in percentageby mass: 50%-60% of a fluorine-containing polymer emulsion, 5%-7% of amino silicon oil, 2%-7% of iso-tridecanol, 1%-3% of polyether modified silicone oil, 0-10% of aliphatic polyurethane resin, 0-10%of emulsified silicone oil, 0-15% of isopropanol and the balance of water. The invention simultaneously discloses a preparation method and a use method of the leather-care waterproof film-forming agent. A layer of waterproof and dirt-proof protecting film can be formed on the surface of all leather by the leather-care waterproof film-forming agent, so that the leather is protected, and meanwhile,a hydrophobic effect is achieved.