36results about How to "Dry" patented technology

The invention discloses a thermosetting reflection thermal insulation coating. The thermosetting reflection thermal insulation coating is characterized by being prepared from the following components in part by weight: 100 to 150 parts of thermosetting fluorocarbon resin, 30 to 40 parts of thermosetting acrylic resin, 10 to 20 parts of cenosphere, 40 to 60 parts of titanium dioxide, 20 to 30 parts of silicon dioxide, 30 to 40 parts of aid, and 20 to 30 parts of curing agent; and the thermosetting reflection thermal insulation coating has the characteristics of high chemical resistance, high temperature resistance, weather resistance, and stain resistance, good self-cleaning property, long service life of a coating and the like. Moreover, the appearance of a building can be beautified and decorated by color mixing, and the effects of reflection and thermal insulation can be fully exerted.

The invention provides hollow fancy loop multifunctional health-care yarn and a preparation method thereof. The yarn comprises lotus root fibers, lyocell fibers, bamboo charcoal fibers, Clean cool fibers, water-soluble vinylon fiber filaments, PTT shape memory fiber filaments, anti-ultraviolet polyester fiber filaments, cashmere fibers and mohair fibers, or comprises stainless steel fiber filaments, mint fibers, long stapled cotton fibers, water-soluble vinylon filaments, colorful negative ion multifunctional viscose filaments, bamboo charcoal fibers and coconut carbon fibers. The yarn prepared through the preparation method has excellent in hygroscopicity, natural, antibacterial, resistant to odor and capable of absorbing moisture and discharging sweat, has deodorization and anti-aging functions and the like, also has excellent radiation resistance, anti-static performance and a negative ion emission function, enhances the immune function, activates cells, promotes metabolism, has deodorizing performance, prevents mites, odor and insects, generates negative ion characteristic and is resistant to water, oil and dirt, and fabrics are prevented from being influenced by various harmful bacteria and pollution.

The invention discloses waterborne polyurethane thermal-insulating sound-absorbing coating and a preparation method thereof. The waterborne polyurethane thermal-insulating sound-absorbing coating comprises a polyurethane prepolymer, N-hydroxymethyl acrylamide, phthalic acid dibutyl ester, a zirconium-aluminic acid ester coupling agent, rutile titanium dioxide, methylsilicone oil, a mixed solvent and a sound-absorbing material. The preparation method comprises the following steps: dissolving every 1 kg by weight of N-hydroxymethyl acrylamide in 2 kg of 50-70% ethanol in volume concentration, mixing with the polyurethane prepolymer in a reaction kettle, enabling the components to react for 1 hour at 80-150 DEG C, and adding the zirconium-aluminic acid ester coupling agent to continuously react for 2-5 hours; subsequently adding the phthalic acid dibutyl ester, rutile titanium dioxide, methylsilicone oil, mixed solvent and sound-absorbing material, and uniformly mixing, thereby obtaining a waterborne polyurethane thermal-insulating sound-absorbing coating product. The waterborne polyurethane thermal-insulating sound-absorbing coating can insulate heat and absorb sound, and is good in chemical resistance, good in temperature resistance, good in weather resistance, long in film service life, free of toxicity or smell, safe and environment-friendly and good in sound absorption effect.

The invention relates to a method for preparing a fabric, in particular to an acetate synthetic fabric and a preparation method thereof. The invention mainly solves technical problems in the prior art that cotton, real silk and the like fabrics are susceptible to wrinkles when in a blank state and fading when washed by water, insufficient in drape and narrow in application range, and that hemp, chemical fiber, terylene and the like materials are unqualified in environmental protection and other performance and effects and the like due to small application range and requirements for supports from agents of various chemicals for achieving a certain purpose. The fabric comprises the following components: artificial fibers, acetate fibers, a natural plant solvent and colorants. The manufacturing method comprises the following steps: carding the acetate fibers and adding the colorants and the natural plant solvent into the carded acetate fibers; spinning warps through rotor spinning; subjecting the warps to warping, slashing, warp rebeaming, drafting and buckling and weaving; looming the warps to obtain finished warps; spinning dyed yarns into wefts through jet weaving; and weaving the warps and the wefts into a fabric of a required type to obtain the finished acetate synthetic fabric.

The invention relates to a polyurethane modified asphalt waterproof paint and a preparation method thereof. The paint is prepared from a polyurethane prepolymer, 90# petroleum asphalt, modified nano calcium carbonate, vinyl trichlorosilane, a tackifier, n-butyl acetate, citric acid, dibutyltin dilaurate, polyoxyethylene polyoxypropylene ether and fumed silica. The preparation method includes: modifying the 90# petroleum asphalt with the polyurethane prepolymer and modified nano calcium carbonate; then adding vinyl trichlorosilane, citric acid and n-butyl acetate into a reaction kettle, and stirring the substances evenly; then adding fumed silica, the tackifier and dibutyltin dilaurate, and stirring the substances evenly; then adding polyoxyethylene polyoxypropylene ether; further performing stirring till no powder flotation; shearing all the materials in the reaction kettle on a high speed shearing machine again until the 90# petroleum asphalt and other materials are evenly dispersed,thus obtaining the polyurethane modified asphalt waterproof paint. The product provided by the invention has the advantages of high bonding strength, high tensile strength and good dispersibility.

The invention relates to a water-soluble polyurethane external-wall thermal-insulation paint and a preparation method thereof. The paint comprises a polyurethane prepolymer, N-hydroxymethyl acrylamide, dibutyl phthalate, vinyl trichlorosilane, titanium white, methyl silicone oil, superfine calcium carbonate and a mixed solvent. The preparation method comprises the following steps: adding 2 kilos of 50-70 vol% ethanol into every kilo of N-hydroxymethyl acrylamide for dissolution, mixing with the polyurethane prepolymer in a reaction kettle, reacting at 80-150 DEG C for 1 hour, and adding vinyl trichlorosilane; continuing reacting for 2-5 hours; and adding the dibutyl phthalate, rutile titanium white, methyl silicone oil, superfine calcium carbonate and mixed solvent, and uniformly mixing to obtain the water-soluble polyurethane external-wall thermal-insulation paint product. The water-soluble polyurethane external-wall thermal-insulation paint has the characteristics of high chemical resistance, high temperature resistance, favorable weather resistance, favorable pollution resistance, high glossiness, long service life of the coated film and the like.

The invention discloses water-soluble polyurethane flame-retardant coating and a preparation method thereof. The water-soluble polyurethane flame-retardant coating comprises a polyurethane prepolymer, N-hydroxymethyl acrylamide, phthalic acid dibutyl ester, a titanate coupling agent, talcum powder, light calcium carbonate, tributyl phosphate, isopropanol, a mixed solvent and a flame-retardant material. The preparation method comprises the following steps: dissolving every 1 kg by weight of N-hydroxymethyl acrylamide in 2 kg of 50-70% ethanol in volume concentration, mixing with the polyurethane prepolymer in a reaction kettle, enabling the components to react for 1 hour at 80-150 DEG C, and adding a mixture of isopropanol and a titanate coupling agent in a weight ratio of 1:1 to continuously react for 2-5 hours; subsequently adding phthalic acid dibutyl ester, talcum powder, light calcium carbonate, tributyl phosphate, the mixed solvent and the flame-retardant material, and uniformly mixing, thereby obtaining a water-soluble polyurethane flame-retardant coating product. The water-soluble polyurethane flame-retardant coating has the characteristics of good chemical resistance, good temperature resistance, good weather resistance, good stain resistance, high glossiness, long film service life and the like.

The invention discloses a human umbilical cord mesenchymal stem cell serum-free culture medium and a preparation method and application thereof. The human umbilical cord mesenchymal stem cell serum-free culture medium comprises a basic culture medium, amino acid substances, trace elements, recombinant human serum albumin, transferrin, recombinant human insulin, recombinant human epidermal growth factors, alkaline fibroblast growth factors and buffer salt, wherein the amino acid substances comprise glycine, alanine, asparagine, aspartic acid, glutamic acid, proline, serine and glutamine. The serum-free culture medium is clear in components, stable in batch, free of serum, antibiotics and other serum analogues, and free of heterogeneous pollution and immunological rejection risks and safe touse; by the serum-free culture medium, normal cell adherence and good cell growth state can be kept; the serum-free culture medium has stemness and is suitable for the growth and stemness maintenanceof human umbilical cord mesenchymal stem cells.

The invention discloses a bactericidal well-feeling powder, containing boracic acid, talcum powder, zinc oxide, magnesium carbonate, taibai powder (natural amylum), etc. using the talcum powder, etc., as the hygroscopic and dry component and adding in magnesium carbonate as the intensifier, and in addition because the boracic acid and the zinc oxide have the characters of sterilizing and inhibiting the biological growth and the taibai powder has the character of strong adhesivity, permanence and uneasily flying away, the invention has efficacies of tenderly sterilizing permanence, good quality, etc.

The invention discloses a male sanitary ring. The male sanitary ring comprises a ring body and an elastic band arranged in the ring body in a penetrating mode; the ring body is made of paper, medicine components are loaded on the ring body, and wrinkles are arranged on the ring body; and the ring body is made of paper, has good hygroscopicity and can prevent the male coronary sulcus from being moist. Meanwhile, the multiple layers of wrinkled structures on the ring body can improve the air permeability of the ring body, the surface area of the ring body is increased, more medicine components can be loaded, and the cleaning and disinfecting effects are improved. The telescopic design of the ring body can adapt to coronary sulcus of different sizes and different states, the wrinkle design on the ring body can enable the ring body to stretch and retract along with the elastic band, the constraint feeling of the sanitary ring on the coronary sulcus is reduced, and the wearing comfort is improved.

The invention relates to a cleaning system and a cleaning process for a heat exchange module in an air preheater. The cleaning system comprises a hanging bracket, a center support, a softening cylinder, a first ultrasonic cleaning unit, a second ultrasonic cleaning unit, a purging unit and a drying unit, wherein the softening cylinder, the first ultrasonic cleaning unit, the second ultrasonic cleaning unit, the purging unit and the drying unit are sequentially arranged around the center support; the hanging bracket comprises a walking mechanism, a first support, a cross beam and a second support which are fixedly connected in sequence, and the lower end of the second support is rotationally connected with the central support, so that the hanging bracket can do circular motion in the horizontal plane around the central axis of the central support; the softening cylinder, the first ultrasonic cleaning unit, the second ultrasonic cleaning unit, the purging unit and the drying unit are all located between the walking mechanism and the center support; and a lifting mechanism is arranged on the cross beam. The cleaning system is compact in structure and small in occupied area, and the cleaning efficiency of the air preheater can be effectively improved.

The invention discloses composite grate combustion equipment and relates to the technical field of biomass fuel boilers. Bilateral sides of a grate of the composite grate combustion equipment are respectively provided with water cooling headers; the grate is formed by a reciprocating grate at the front section and a catenary chain tensioning type chain grate at the rear section; the reciprocating grate which is inclined downward along the movement direction of fuel is higher than the catenary chain tensioning type chain grate. The fuel is fed into the inclined type reciprocating grate through a feeder to be preheated and dried and then is driven by the reciprocating grate to move in a downward roll mode step by step and a rolling falling effect through the height difference at a stair position of the two grates is achieved, the time for staying in the air of the fuel is prolonged, the fuel permeability is increased, and the fuel and the combustion-supporting oxygen are fully mixed. The inclined reciprocating grate plays a role in preheating and drying and the catenary chain tensioning type chain grate plays a role in discharging and burning out. According to the composite grate combustion equipment, when various biomass fuel and high-moisture fuel are combusted, the height difference between the two grates are utilized, fuel combustion is facilitated, the combustion is full, the burn-off rate of the fuel is greatly improved, and the combustion efficiency of the equipment is improved.

The invention discloses an absorbent article, which comprises a water-permeable surface layer, an absorber and a water-repellent back layer. The permeable surface is in direct contact with the skin. From the proximal side to the distal side, the water-permeable surface layer is successively provided with an upper water-permeable surface layer and a lower water-permeable surface layer, wherein thefibers of the lower water-permeable surface layer are arranged to extend roughly in the length direction of the absorbent article, and the hydrophilicity of the lower water-permeable surface layer isgreater than the hydrophilicity of the upper water-permeable surface layer. As a result of the above structure, it may be ensured that liquid impurities including urine rapidly penetrate through the water-permeable surface layer, to ensure that a diaper has the characteristics of being dry and smooth.

The invention belongs to the technical field of textile, and particularly provides a yarn containing China hemp viscose. Textile fabric woven from the yarn, clothing and bags prepared from the textilefabric and the like all have the functional advantages of being soft, dry and comfortable, breathable, comfortable, antibacterial, antistatic, green and natural, absorbing sweat, resisting ultraviolet radiation and the like.

The invention discloses a thermal, breathable and down-proof garment fabric which comprises a base-layer fabric and a down-proof coating. The base-layer fabric is made of warp yarns and weft yarns by means of interweaving, the warp yarns are made of, by weight, 45%-50% of cotton fibers and 15%-20% of modal fibers by means of twisting, and the weft yarns are made of, by weight, 25%-30% of antibacterial moisture-conductive acrylic fibers and 10%-15% of bamboo charcoal fibers by means of twisting; the down-proof coating is an organic silicon high-elasticity coating. Owing to the mode, the thermal, breathable and down-proof garment fabric has the advantages that the thermal, breathable and down-proof garment coating is fine and firm in texture and excellent in thermal protection, down-proof property and breathability, and is nontoxic, harmless, environmental friendly and safe, and bacterial inhibition and antibacterial effects can be realized.

The invention relates to a coating material as well as a preparation method and application thereof. The coating material comprises the following components in parts by weight: 30-50 parts of hydrogenated styrene-isoprene-ethylene branched isoprene-styrene resin; 5-10 parts by weight of polybutylene terephthalate; 5-20 parts by weight of polypropylene; and 20-70 parts by weight of an auxiliary agent. According to the invention, hydrogenated styrene-isoprene-ethylene branched isoprene-styrene resin and polybutylene terephthalate are introduced into the formula of the coating material at the same time, and are matched with other components in the formula according to a specific proportion, so that the obtained coating material has the characteristics of super softness, scratch resistance, fine and smooth hand feeling, dryness and chemical resistance. Moreover, the raw materials adopted by the invention are environment-friendly and non-toxic raw materials, the recycling rate is high, the production mode is clean and efficient, and no pollution is caused to the environment.