25results about How to "Water resistant" patented technology

The invention relates to the technical field of flexible display devices, in particular to a high-impact-resistance coating for ultra-thin glass, a preparation method and an assembly layer. The invention discloses a high-impact-resistance coating for ultra-thin glass. The high-impact-resistance coating is mainly prepared from a precursor, a cross-linking agent and a photoinitiator in a solvent-free condition in a UV curing manner, the precursor comprises a polyether urethane acrylate oligomer with Tg of-70 DEG C to-40 DEG C; the Tg of the coating is 30-60 DEG C; and in a temperature scanning test with the temperature range of-40 to 80 DEG C and the frequency of 1Hz, the peak value of the loss factor of the coating is 0.7 to 1.2. The high-impact-resistance coating provided by the invention has good adhesion and excellent optical performance, also has good elongation at break and good flexibility, has a high dissipation effect on mechanical stress, and can enhance the impact resistance of the ultra-thin glass. In addition, the high-impact-resistance coating is prepared through a UV photocuring method and does not contain a solvent, the VOC emission in the production and preparation process is low, and the coating is green and efficient.

The invention discloses a cesium-lead-bromine / silicon dioxide quantum dot and a preparation method thereof, and belongs to the technical field of quantum dot luminescent materials.The preparation method comprises the steps that at the temperature of 75-95 DEG C, cesium bromide, lead bromide and water are mixed and then magnetically stirred, and a cesium-lead-bromine precursor solution is obtained; at the temperature of 75-95 DEG C, mixing aminopropyltriethoxysilane with the cesium-lead-bromine precursor solution, and then carrying out magnetic stirring to obtain a cesium-lead-bromine / silicon dioxide solution; and drying the cesium lead bromide / silicon dioxide solution at the temperature of 75-95 DEG C to obtain the cesium lead bromide / silicon dioxide quantum dots. The cesium-lead-bromine / silicon dioxide quantum dot has the characteristics of structural stability, acid resistance, 800 DEG C high temperature resistance, water resistance and the like, is long in luminescence life, high in quantum yield and non-toxic, and meets the preparation requirements of flexible wearable devices, light-emitting gratings and other optical devices.

The subgrade anti-settlement structure is characterized in that a lower drainage layer has water resistance and is stacked on a cushion layer, and a lower geotechnical grid is arranged on the lower drainage layer; and the upper drainage layer is arranged on the lower geotechnical grid. The structural strip is embedded in the middle of the first rubber strip in the thickness direction and arranged in the width direction of the first rubber strip. According to the roadbed anti-settlement structure provided by the utility model, the strength of the first adhesive tape in the width direction is enhanced through the structural strips, and the structural strength of each grid in the lower geotechnical grids can be enhanced. By means of the lower geotechnical grid with the reinforced structure, the whole strength of the upper drainage layer is guaranteed, meanwhile, the toughness of each grid in the lower geotechnical grid is improved, and the possibility that the upper drainage layer is abnormal in structure is lowered. Reinforcement is achieved through compounding of the upper geotechnical grid, and the structural strength of the pavement layer is improved. Meanwhile, the structural stability of the upper drainage layer is improved, and the sedimentation possibility is reduced.

The invention relates to a non-woven fabric impregnation sizing material and a preparation method thereof, and relates to the field of non-woven fabric production, and the non-woven fabric impregnation sizing material comprises the following raw materials by weight: 50-70 parts of a modified vinyl acetate-ethylene copolymer emulsion; 1-3 parts of sodium tripolyphosphate; 5-9 parts of a filler; 0.5-1 part of a dispersant; 0.5 to 1 part of a defoaming agent; 35 to 45 parts of water; the modified vinyl acetate-ethylene copolymer emulsion comprises the following raw materials: 32-37 parts of vinyl acetate; 10 to 14 parts of ethylene; 4-8 parts of an organosilicon monomer; 0.15 to 0.4 part of an oxidizing agent; 0.1-0.3 part of a reducing agent; 0.3 to 0.5 part of an emulsifier; 1.7 to 2.8 parts of polyvinyl alcohol; 0.04 to 0.08 part of a pH regulator; 42 to 48 parts of deionized water; 0.2 to 0.5 part of an initiator; and 7 to 12 parts of N-hydroxymethyl acrylamide. The method has the effect of improving the water resistance, heat resistance and adhesive force of the non-woven fabric impregnation sizing material.

The invention relates to the technical field of corrugated paper, in particular to a high-strength compression-resistant corrugated carton and a preparation process thereof. In order to increase the strength of the corrugated case, a multi-layer composite structure is used, and the hardboard and the corrugated medium paper layer are compounded, so that the bearing strength of corrugated paper is improved, and the pressure resistance of the corrugated case is improved; in addition, a binder used for bonding different structural layers of the corrugated paper is modified, a bacteriostatic hydrophobic intermediate with antibacterial and hydrophobic functions is added and prepared in the binder, and chitosan and fluorine with a hydrophobic function are introduced in the bacteriostatic hydrophobic intermediate, so that the prepared pressure-sensitive adhesive has antibacterial and water-resistant properties, and is suitable for being applied to the field of corrugated paper. When the adhesive is used for bonding the corrugated paper, the antibacterial property and the water resistance of the corrugated paper can be effectively improved.

The present application relates to a kind of palladium-based methane combustion catalyst and its preparation method and application, the preparation method includes the following steps: after obtaining mixed sol by mixing titanium source, cerium source and complexing agent, evaporate, dry and sinter in sequence, obtain cerium titanium carrier;The palladium-based methane combustion catalyst is obtained by impregnating mixed cerium titanium carrier and palladium source, and then drying and calcining in sequence.The preparation method of the present application is simple, and raw materials are cheap and easy to obtain.The palladium-based methane combustion catalyst prepared has low light-off temperature, and has water resistance, which can be applied to the treatment of methane in tail gas.

The invention discloses an A-R blended warm-keeping comfortable elastic three-layer sportswear fabric and a preparation method thereof. The preparation method mainly comprises the following steps: weaving a shell fabric to obtain a shell fabric gray fabric; weaving the base cloth to obtain base cloth grey cloth; the shell fabric gray fabric and the base fabric gray fabric are shrunk; the shrunk shell fabric gray fabric and the shrunk base fabric gray fabric are subjected to rinsing and pre-shaping; dyeing the preset shell fabric gray fabric and the preset base fabric gray fabric; drying the dyed base gray fabric; fuzzing the dried base gray fabric; carding is conducted on the fluffy base cloth gray fabric; shearing the gray fabric of the combed base fabric; the dyed shell fabric gray fabric is shaped; carrying out dry setting on the sheared base cloth gray fabric; the shell fabric, the base fabric and the TPU middle transparent film are attached, and the A / R blended warm-keeping comfortable elastic three-layer-attached sportswear fabric is obtained. Due to unique yarn configuration and optimized production procedures, the fabric is soft, resistant to wear and good in heat preservation performance and has the advantages of being resistant to washing and soaping.

The invention relates to the technical field of textiles, in particular to an anti-static gold and silver stamping fabric and a preparation method thereof. The fabric comprises a fabric base material layer, a glue layer and a transfer printing metal layer which are arranged in a stacked mode, and gold and silver stamping processing is achieved through the transfer printing metal layer. The preparation raw materials of the adhesive layer comprise an adhesive material and heat-conducting and electric-conducting particles; the mass ratio of the sizing material to the heat-conducting and electric-conducting particles is (90-99): (1-10). According to the technology, in the gold and silver stamping processing process of the fabric, the electric conduction and heat conduction particles are added into the glue, so that the fabric is endowed with an excellent anti-static function while heat reflection warm keeping is achieved, the fabric can pass two tests of the static voltage half-life period and the charge surface density at the same time, and the durable washing performance can be kept. The fabric is excellent in comprehensive performance and can be applied and popularized in the textile field.

The invention provides a plant fiber-nano titanium carbide composite modified asphalt mixture and a preparation method thereof, and aims to solve the technical problem of reducing high and low temperature diseases and water damage of an asphalt pavement while ensuring the pavement performance of the asphalt mixture. The composite modified asphalt is prepared from the following raw materials in parts by weight: 100 parts of mineral aggregate, 3 to 7 parts of asphalt, 0.02 to 0.08 part of cotton straw fiber, 0.09 to 0.21 part of coconut fiber, 0.03 to 0.07 part of nano titanium carbide, 0.013 to 0.032 part of modifier and 0.12 to 0.28 part of stabilizer. The composite modified asphalt mixture is excellent in performance, simple in preparation process and non-toxic and harmless in raw materials, can improve the high-temperature stability, low-temperature crack resistance and water stability of the asphalt pavement, and has great significance in prolonging the service life of the asphalt pavement; the composite modified asphalt mixture belongs to environment-friendly, non-toxic and non-corrosive composite asphalt, has the advantages of wide raw material source, no pollution in the production process, low price and low cost, and has good economic and social benefits.

The invention discloses a platinum-iron-molybdenum catalyst with high activity and stability as well as a preparation method and application thereof, and belongs to the technical field of heterogeneous catalysis. The preparation method comprises the following steps: dissolving ferric nitrate, ammonium molybdate and citric acid in water, mixing, and adjusting the pH value to be less than 1.0; carrying out water bath gelation on the solution, drying, and calcining in a tubular furnace to obtain an iron molybdate carrier; mixing a platinum source with the iron molybdate carrier, drying by distillation in an oil bath, and calcining in a muffle furnace after drying to obtain the platinum-iron-molybdenum catalyst. The platinum-iron-molybdenum catalyst prepared by the preparation method disclosed by the invention can show efficient catalytic activity and excellent stability in propane oxidation reaction no matter whether the platinum cluster prepared in advance or the precursor salt of direct wet impregnation platinum is loaded.

The utility model belongs to the technical field of polyester fabrics, and particularly relates to a printed waterproof breathable functional polyester fabric which comprises a polyester base layer, a waterproof breathable layer is fixedly connected to the top of the polyester base layer, and an aramid flame-retardant fabric layer is fixedly connected to the top of the waterproof breathable layer. The top of the polyester base layer is fixedly connected with an aramid fiber flame-retardant fabric layer, the top of the aramid fiber flame-retardant fabric layer is fixedly connected with a wear-resistant layer, the bottom of the polyester base layer is fixedly connected with an antibacterial layer, the bottom of the antibacterial layer is fixedly connected with an anti-static layer, the bottom of the anti-static layer is fixedly connected with a spandex fiber layer, and the bottom of the spandex fiber layer is fixedly connected with a lining layer. The waterproof and breathable polyester fabric is reasonable in structural design, not only has good waterproof and breathable performance, but also has good bacteriostasis and antibacterial performance, wear resistance, radiation resistance, flame retardance, anti-static performance and ductility, and the using effect of the polyester fabric is greatly improved.

This invention provides a water-based coating for anti-slip and heat-resistant bamboo mats. The coating comprises a water-based penetrating primer layer, a water-based colored topcoat layer, a water-based water-resistant and heat-resistant coating, and a water-based anti-slip and wear-resistant coating. These four layers are sequentially applied to a bamboo substrate. This invention consists of four coating layers, which, when applied to a bamboo substrate, endow the bamboo product with excellent anti-slip, wear-resistant, water-resistant, and heat-resistant properties.

The present invention provides a solid carbon dioxide recovery material having durability capable of long-term use, particularly repeated use with a water-containing gas as an object, and for this purpose, the solid carbon dioxide recovery material of the present invention contains iron, sodium, and crystalline carbon, and more specifically, contains sodium ferrite, crystalline carbon, and at least one binder selected from the group consisting of amorphous carbon, polyamide-imide, polyester, epoxy resin, polyurethane, and acrylic resin.

The waterproof and high-temperature-resistant reusable packaging color box comprises a base material plate layer, an anti-fouling layer and a fixed plate, the anti-fouling layer is arranged on the innermost layer of the base material plate layer, inner corner fixing columns are installed at the four corners of the inner wall of the anti-fouling layer, movable plates are arranged on the inner sides of a plurality of vertical plates, the high-temperature-resistant layer is arranged on the inner layer of the base material plate layer, and the high-temperature-resistant layer is arranged on the outer layer of the base material plate layer. The honeycomb sandwich layer is arranged on the inner layer of the high-temperature-resistant layer, the waterproof groove is arranged on the inner layer of the honeycomb sandwich layer, the reinforcing layer is arranged on the inner layer of the waterproof groove, the antifouling layer is arranged on the inner layer of the reinforcing layer, and a printing pressing layer is arranged on the outermost layer of the base material plate layer. Lattice layer cavities are formed in the left side and the right side of the interior of the packaging color box through the two adjusting plates, the distance of the lattice layer cavities formed by the two adjusting plates in the packaging color box can be adjusted, heat insulation and vibration resistance are achieved through the high-temperature-resistant layer and the honeycomb sandwich layer, and water resistance and moisture resistance are achieved through the printing press-fit layer and the waterproof groove.

The invention discloses a mould-proof and flame-retardant wood-plastic composite decorative wallboard which comprises the following components in percentage by weight: 10-40% of mixed powder, 1-10% of high-density polyethylene (HDPE), 1-5% of a mould inhibitor, 1-5% of a reinforcing agent and 1-5% of a stabilizing agent. The high-density polyethylene (HDPE) accounts for 10-40% of the total weight, the flame retardant accounts for 1-10% of the total weight, the mixed powder accounts for 30-75% of the total weight, the mould inhibitor accounts for 1-5% of the total weight, the reinforcing agent accounts for 1-5% of the total weight, the reinforcing agent accounts for 1-5% of the total weight, and the stabilizing agent accounts for 1-5% of the total weight. The reinforcing agent accounts for 1-5% of the total weight, and the stabilizer accounts for 1-5% of the total weight. According to the wood-plastic composite decorative wall board, the mildew preventive and the flame retardant are added, growth of mildew can be effectively inhibited, the wood-plastic composite decorative wall board has good flame retardant performance, and the safety and durability of products are improved.

The invention relates to the technical field of capsules, in particular to a hydroxypropyl starch empty capsule and a preparation method thereof. The hydroxypropyl starch hollow capsule is prepared from the following raw materials in parts by weight: 5 to 20 parts by weight of hydroxypropyl starch, 0.1 to 0.6 part by weight of carrageenan, 0 to 0.1 part by weight of potassium chloride, 0 to 0.5 part by weight of pullulan, 0 to 0.3 part by weight of glycerol, 0 to 0.1 part by weight of nano titanium dioxide, 0 to 0.05 part by weight of pigment and 20 to 50 parts by weight of water. By adding the modified hydroxypropyl starch, the stability and solubility of the hydroxypropyl starch can be improved, so that the dissolution rate and stability of the capsule are improved, the solubility and bioavailability of the product are improved, the release and absorption of components in the capsule are facilitated, the disintegration rate is good, and the friability can be reduced.

This invention provides a spray nozzle assembly with oscillating rinsing. The oscillating part includes a nozzle and a permanent magnet, connected to the water supply part via a soft rubber connection. The oscillating drive part uses an electromagnet to alternately attract and repel the permanent magnet, causing the nozzle to oscillate reciprocally within an ultra-thin space. The assembly features dual independent water channels and two or more sets of spray nozzles, with a flow rate ≤430mL / min, achieving Class I water efficiency. It automatically returns to center after power failure, exhibiting a simple structure, long lifespan, and low cost.

The application discloses a preparation method of an intrinsically flame-retardant high-elasticity styrene-acrylic emulsion, which comprises the following steps: preparing a phosphorus-nitrogen integrated functional compound by using glycine, polyformaldehyde and dimethyl phosphite as raw materials; performing acyl chloride modification on the phosphorus-nitrogen integrated functional compound by using sulfoxide chloride; preparing a high-flexibility flame-retardant monomer by reacting the acyl chloride modified phosphorus-nitrogen integrated functional compound with a phenolic hydroxyl cashew phenol; and finally preparing the flame-retardant high-elasticity styrene-acrylic emulsion by reacting the high-flexibility flame-retardant monomer, styrene, butyl acrylate and acrylic acid in a cationic etherified starch aqueous solution. The emulsion has the multiple advantages of flame retardation, high elasticity, soap-free, water resistance and the like, is green and environment-friendly, low in cost, and has a wide application value.

This utility model provides a waterproof sealing structure for high-voltage wiring harnesses, relating to the field of high-voltage wiring harness technology. It includes a collar fitted onto the outer wall of the high-voltage wiring harness, the collar being slidably connected to the harness. A rubber sleeve is provided on the inner wall of the collar, and the rubber sleeve is glued and fixed to the collar. Multiple rubber dots are provided inside the rubber sleeve, fixedly connected to the rubber sleeve with one side contacting the outer wall of the high-voltage wiring harness. A telescopic cylinder is provided on the right side of the rubber sleeve, glued and fixed to the rubber sleeve. A connecting ring is provided on the side of the telescopic cylinder away from the rubber sleeve, fixedly connected to the rubber sleeve. A flared cylinder is provided on the right side of the connecting ring, glued and fixed to the connecting ring. This utility model, through the tight fit between the rubber dots and the outer wall of the wiring harness, the wrapping of the flared cylinder with the connector, and the bonding of the adhesive layer to the mounting surface, forms a three-dimensional sealing system of "wiring harness body → connector → mounting surface," effectively blocking the path of moisture penetration.

The utility model discloses a cable for shore power system connection, which comprises a cable core and a first sheath used for wrapping the cable core, the cable core comprises a main power wire core, a ground wire core, an optical fiber unit, a monitoring wire and a filler, and the first sheath comprises an inner sheath, a waterproof layer and an outer sheath from inside to outside in sequence. The cable is reasonable in structural design, and has the following beneficial effects: the cable is resistant to tearing and bending, and can effectively prevent water; the three layers of water-blocking structures are arranged, and the inner sheath, the outer sheath and the water-blocking layer are arranged, so that the cable can be effectively prevented from being eroded by water under water or in a humid environment; the sheath is a TPU sheath, the material has super-strong wear resistance and more excellent low temperature resistance, the low temperature resistance can reach-50 DEG C, the tear strength is 80kN / m, the cracking of the sheath layer can be effectively prevented, and meanwhile, the material has flexibility resistance, oil resistance, hydrolysis resistance, weather resistance and the like.

The utility model relates to the technical field, in particular to a high-temperature-resistant cable protection tube. According to the technical scheme, the anti-splashing steel pipe comprises a pipe body, a heat-invaded plastic layer, a wear-resisting layer, an anti-splashing coating, a rope sleeve and binding rope bodies, the heat-invaded plastic layer is arranged outside the pipe body, the wear-resisting layer is arranged outside the heat-invaded plastic layer, the anti-splashing coating is arranged outside the wear-resisting layer, and the binding rope bodies are arranged on the anti-splashing coating at equal intervals. According to the utility model, the position of the cable protection pipe can be effectively positioned through the cooperation of the structures, and the anti-oxidation and high-temperature-resistant capabilities of the cable protection pipe are improved, so that the use effect of the protection pipe is improved.

The present invention discloses a water-based coating and a preparation method and application thereof, comprising the following raw materials in parts by weight: 45 to 55 parts of an organic-inorganic composite resin, 10 to 16 parts of lithium silicate, 5 to 9 parts of styrene-acrylic emulsion, 8 to 10 parts of a coupling agent, 8 to 15 parts of deionized water, 20 to 35 parts of a filler, 0.1 to 0.3 parts of a defoaming agent, and 0.2 to 0.5 parts of a leveling agent. The present invention adopts an organic-inorganic composite resin as the main film-forming resin, and reasonably optimizes the raw materials and content of the water-based coating. The prepared water-based coating has high waterproof performance and low water absorption. At the same time, the coating provided is a single-component water-based coating, which has the characteristics of simple construction and green and non-toxic.

The invention belongs to the technical field of adhesives, and discloses a preparation method of acrylate foam reinforcing rubber, which comprises the following steps: carrying out addition reaction on hydrogen-containing silicone oil by using allylamine hydrochloride, and then carrying out amidation reaction with 4-hydroxyphthalic anhydride to obtain hydroxybenzoic acid grafted silicone oil. The acrylate foam reinforcing adhesive contains hydrophilic hydroxyl, carboxyl and other groups, has good dispersibility in a water-based system of the acrylate foam reinforcing adhesive, and has excellent compatibility with water-based acrylic resin. Meanwhile, a hydroxyl group is contained, and in an isocyanate curing agent system, the hydroxyl group can be cured with the hydroxyl group of hydroxyl acrylic resin to generate a cross-linking reaction, so that the 180-degree peel strength, the permanent adhesion, the tensile shear strength, the water resistance and the heat resistance are improved; the adhesive has good practical application in the aspects of pressure-sensitive adhesive, foam adhesive tape, baking varnish plate bonding, electronic and electrical products, mechanical parts and the like.

The invention discloses a flame-retardant paper, which is prepared from pulp after pulping, a phosphorus-nitrogen flame retardant, a cationic agent, and a retention and drainage aid system through an in-pulp addition method. The raw materials are mixed evenly, formed into sheets, pressed, and dried to obtain the flame-retardant paper. The cationic agent can effectively neutralize the negative charge of the phosphorus-nitrogen flame retardant, alleviate the hydrolysis of the phosphorus-nitrogen flame retardant, and synergistically improve the flame retardant effect of the paper. At the same time, the sizing agent can make the paper have a certain water resistance, improve the printing performance of the paper, improve the durability and strength of the paper, prevent the flame retardant in the paper from hydrolyzing in a humid environment, and avoid the problem of reduced mechanical strength and weakened flame retardant effect of the paper.

The utility model discloses a cold-resistant heat-resistant fireproof aluminum foil advertisement sticker which comprises a base material layer, a cold-resistant heat-resistant layer is arranged on one side of the base material layer, a bonding layer is arranged on the side, away from the cold-resistant heat-resistant layer, of the base material layer, and an isolation bottom layer is arranged on the side, away from the base material layer, of the bonding layer. The cold-resistant and heat-resistant layer comprises a silicon dioxide modified n-octyltriethoxysilane cold-resistant layer and a silicon dioxide-containing polysiloxane heat-resistant layer. According to the utility model, silicon dioxide and polysiloxane in the silicon dioxide polysiloxane heat-resistant layer are crosslinked through chemical bonds, so that the heat-resistant performance is excellent; and the silicon dioxide modified n-octyltriethoxysilane cold-resistant layer not only has excellent cold resistance, but also has water resistance and wear resistance.