47results about How to "Anti-mildew and anti-bacterial" patented technology

The invention belongs to the field of binder for wallpaper. The freeze-thaw resistant starch glue is composed of the following components by weight: 500 parts of deionized water, 40-90 parts of hydroxypropyl modified starch, 5-30 parts of late indica rice flour, 5-30 parts of glutinous rice flour, 0.5-10 parts of a complexing agent, 0.5-4 parts of a bactericide and 0.5-5 parts of a preservative. The starch glue is prepared through the steps of starch paste preparation, gelatinization complexation of the starch slurry, cooling, addition of bactericide and preservative, mixing, discharging and packaging. Through three times of freeze-thaw test with refrigeration cycle at -20 DEG C, the freeze-thaw resistant starch glue provided by the invention has viscosity and peel strength retention rate both greater than 85%. The freeze-thaw resistant starch glue solves the problem of refrigeration failure of starch glue in transportation and storage process in winter.

The invention relates to a polyurethane composite material for a zero-pressure memory foam pulse pillow and a preparation method of the polyurethane composite material. The polyurethane composite material comprises a component A and a component B, wherein the component A is prepared from raw materials in parts by weight as follows: 45-65 parts of polyether polyol 1, 20-40 parts of polyether polyol 2, 5.0-20 parts of polymer polyol, 0.5-4.0 parts of a chain extender, 2.0-6.0 parts of an opening agent, 1.0-4.0 parts of a catalyst, 0.5-3.0 parts of a foaming agent and 0.2-0.5 parts of a foaming stabilizer; the component B is an isocyanate prepolymer which is prepared from raw materials in parts by weight as follows: polyether polyol, small molecular alcohol and isocyanate. The polyurethane composite material has the characteristics of slow recovery, comfort, mould proof, antibiosis and the like; the zero-pressure memory foam pulse pillow prepared from the composite material has a special shape memory function, produces zero-pressure support on each part of the wrist, promotes the blood circulation and relieves possible fatigue caused by nervousness.

A preparation method for glutinous rice glue includes following steps of: soaking an impurity-removed glutinous rice glue raw material for 1-12 hours, carrying out a pulp grinding process to the soaked glutinous rice glue, filtering the glutinous rice glue through a 100 meshes screen mesh and carrying out a high-temperature gelatinization process to the filtered glutinous rice glue at 120 DEG C. The glutinous rice glue is strong in binding force, is good in constructability, is mouldproof and anti-bacterial, and is suitable for a bond between various wall papers and a substrate. A performance of the glutinous rice glue can accord with a standard requirement in JC / T548-1994 "wall paper adhesive". Both a starch adhesiveness and a peel strength preserving rate of the glutinous rice glue are greater than 85% through a three-time freeze-thaw freezing-cycle test at -20 DEG C.

The invention relates to an air purifier and a filter core for the same. The filter core is composed of multiple corrugated plates. A gap exists between corrugate plates and is used as a gas channel. The external surface of corrugated plates is covered by a hydrophilic nano material layer. The invention also discloses an air purifier made of the provided filter core. Flowing water membranes can be formed on the corrugated plates of the filter core. External air is blown into the air purifier by a blower fan, air and water are fully contacted and collided, water is taken as the medium to take away fine particles and dusts in the air, large particles naturally settle in water, the removing rate of particles can reach 70 to 85%, and the harm of inhalable particles in the air is reduced. Water is taken as the adsorbent, the nano material on the surface of the filter core has the advantages of super-hydrophilic property, antistatic property, mold resistant property and antibacterial function, the air purifier can be directly detached, washed by water, and repeatedly used, and no other harmful substance or secondary pollution is generated.

A mildew resistant and antibacterial colored ceramic plate comprises following components in parts by weight: 60 parts of potter's clay, 22 parts of diatomite, 30 parts of cement, 18 parts of coral reef powder, 4 parts of sodium dodecyl benzene sulfonate, 25 parts of quartz powder, 15 parts of lubricant, 15 parts of fly ash, 8 parts of grinding wheel ash, 20 parts of nylon fiber, 50 parts of solvent, 12 parts of iodized salt, 7 parts of zinc oxide, and 35 parts of pigment. The color ceramic plate has a strong mildew resistant and antibacterial performance and a good impact resistant performance, and is suitable for being used as a durable outer wall decorative plate therefore.

The invention discloses PU (polyurethane) synthetic leather with the high comfort level and a production method of the synthetic leather. The PU synthetic leather is prepared from raw materials in parts by weight as follows: 80-100 parts of PU resin, 80-100 parts of dimethylformamide, 2-4 parts of tea saponin, 0.5-1 part of soluble soybean polysaccharides, 1-2 parts of liquid rosin resin, 0.1-0.2 parts of squalane, 1-2 parts of talc, 1-2 parts of bamboo charcoal powder, 4-8 parts of color paste, 5-10 parts of sodium carboxymethylcellulose, 0.2-0.4 parts of sodium salicylate, 0.5-1 part of aluminium chloride and 2-4 parts of a modifying aid. According to the synthetic leather, a natural nonionic surfactant, namely, tea saponin, is added, so that the quality and the ageing resistance of the synthetic leather are improved, and the synthetic leather has auxiliary effects of preventing mildewing, resisting bacteria, resisting oxidation and killing and dispelling insects.

The invention discloses a special adhesive for a dampproof floor and relates to the technical field of adhesives. A preparation method of the special adhesive for the dampproof floor comprises the following steps: butyl acrylate, vinyl acetate resin, light calcium carbonate, asbestos powder, ethanol, an ultraviolet light absorber, an antioxidant, a flame retardant and deionized water are selectedas raw materials, butyl acrylate, the ultraviolet light absorber, the flame retardant and the antioxidant are mixed firstly, then vinyl acetate resin, asbestos powder and light calcium carbonate are mixed, the mixtures are stirred sufficiently finally, and the special adhesive for the dampproof floor is obtained. The problems that the conventional adhesive is not waterproof or dampproof and gets mildewed and stunk easily are solved.

The invention relates to a fireproof antibacterial special functional plate and a preparation method thereof, and is characterized in that the specific structure of the fireproof antibacterial special functional plate is sequentially divided into five layers from top to bottom, the middle layer is a core layer, the upper surface and the lower surface of the core layer are decorative layers respectively, and the uppermost layer and the lowermost layer are wear-resistant layers respectively; the core layer, the decorative layers and the wear-resistant layers are manufactured into a whole through hot pressing by a hot press, the core layer is a glass fiber mat resin layer and is specifically formed by soaking a glass fiber mat in resin slurry, the resin slurry is composed of resin and filler, and the ratio of the resin to the filler is 8-92: 92-8. By organically combining the characteristics of the glass fibers and the resin, the functional plate has the advantages of fire resistance, high water resistance, high strength, mildew resistance, bacterium resistance, heat insulation, favorable sound insulation and the like.

The invention relates to textile fiber material, a preparation method for the same and an application of the same. The interior of the textile fiber material is a fiber material layer; and the exterior of the textile fiber material is covered with a wood-plastic composite material layer and a zinc oxide nano-material layer. The preparation method comprises the following steps of first preparing the wood-plastic composite layer and the zinc oxide nano-material layer, and then coating the wood-plastic composite layer and the zinc oxide nano-material layer to the fiber material layer via coating technology to acquire the textile fiber material. The textile fiber material can coil or can be directly manufactured into textiles. The fiber material, the wood-plastic composite layer and the zinc oxide nano-material layer are co-weaved to acquire textile fiber material with great ventilating property, high mechanical strength and static prevention as well as advantages of wear resistance, xanthochromia resistance and mould and bacterial resistance.

The invention relates to an active carbon mildewproof antimicrobial filter paper. The paper comprises the following compositions with the mass percentage of: 70 to 80 percent of active carbon and 20 to 30 percent of polyester spun-bonded fiber filament non-woven fabric which are heated and combined; nano silver ions are coated on the composite with coating area reaching over 95 percent. The filter paper can completely play the intensive sterilization function of the nano silver ions over 99.9 percent and the mildew resistance and deodorization function of the active carbon and the like.

A clarinet mouthpiece is composed of a mouthpiece body, a reed and a hoop. The side face of the top end of the mouthpiece body is provided with a blow hole, the reed is located on the outer side of the blow hole, and the hoop is used for fixing the reed to the mouthpiece body. Both the mouthpiece body and the reed are made of antibacterial plastic which is formed by combining 45-60 parts of PMMA, 35-50 parts of ABS resin and 5-15 parts of antibacterial masterbatch. The hoop is a circular ring with a conical degree, the circular ring is an aluminum alloy circular ring which is not prone to deformation, and the wall thickness of the aluminum alloy circular ring ranges from 1 millimeter to 2 millimeters. The clarinet mouthpiece has the advantages of being nontoxic, tasteless, mildewproof, antibacterial, comfortable in touch, firm, durable, free of maintenance and convenient to use, and allowing an air current to be easily controlled.

The invention discloses a thermal-insulating and energy saving wall material and a preparation method thereof. The raw material comprises the following components in parts by weight: 10-15 parts of construction waste, 30-38 parts of cement, 5-9 parts of water reducer, 6-10 parts of foaming agent, 20-26 parts of silver sand, 5-13 parts of quartz, 10-16 parts of lime, 3-7 parts of antimycotic antibacterial agent, 11-16 parts of hydroxyethyl methyl cellulose, 22-29 parts of binder, 3-9 parts of homogeneity, 2-12 parts of fire retardant and 25-39 parts of water. The water reducer, the foaming agent, the antimycotic antibacterial agent, the antimycotic antibacterial agent, the binder, the homogeneity and the fire retardant are heated fused to form a mixture, and then the construction waste, the cement, the silver sand, the quartz, the lime and the water are added and blended to prepare the thermal-insulating and energy saving wall material. The construction waste is added in the material, so that the trouble of the construction waste is solved, the thermal-insulating effect is good, the preparation method is simple, antimycotic antibacterial effect and fire-proof effect are also achieved, and the wall material is applicable to all kinds of walls.

The invention belongs to the technical field of coatings and relates to a multifunctional interior wall coating and a preparation method and application thereof. The multifunctional interior wall coating comprises a material A-front-end dispersed slurry, a material B-composite nanometer zinc oxide prefabricated slurry and a material C, wherein the material A-front-end dispersed slurry comprises adry film mildew inhibitor, namely, a mildew inhibitor containing BCM, an OIT and a diuron; the material B-composite nanometer zinc oxide prefabricated slurry comprises the following raw materials in percentage by weight: 45 to 55 percent of water, 0.1 to 0.4 percent of first thickener, 0.01 to 0.2 percent of first pH regulate agent, 0 to 0.2 percent of first preservative, 0.1 to 0.4 percent of first defoaming agent, 1.0 to 3.0 percent of first dispersant, 0.1 to 0.5 percent of first wetting agent and 40 to 60 percent of nano-composite zinc oxide powder. At that same time, the coating has the multifunctional characteristic of mildew-proof and antibacterial, yellowing-resistant, high-efficient removal of formaldehyde, toluene, TVOC and other harmful gas shelf, and has low odor effect.

The invention discloses a pure inorganic fire-retardant coating. The pure inorganic fire-retardant coating mainly comprises the following raw materials in parts by weight: 55 parts of calcium hydroxide, 20 parts of silica sol, 2 parts of sodium chloride, 15 parts of aluminum hydroxide, 4 parts of sepiolite, 4 parts of bentonite and 100 parts of water, and the raw materials are mixed, dispersed at high speed and filtered in parts by weight respectively to form a finished product. In order to achieve a better fireproof effect, mineral substances, namely hydroxyl-containing calcium hydroxide and aluminum hydroxide, are used, the total amounts of hydroxyl-containing calcium hydroxide and aluminum hydroxide account for 70% mass percent of dry matters of the coating, and the hydroxyl-containing calcium hydroxide and aluminum hydroxide release a large amount of water at high temperature to play the better fireproof effect. The pure inorganic fire-retardant coating disclosed by the invention completely comprises inorganic components, no organic component is added, the pure inorganic fire-retardant coating is free of toxins of formaldehyde, VOC and the like really, the fire rating of the pure inorganic fire-retardant coating reaches the level A1 and the pure inorganic fire-retardant coating is super-antibacterial. The pure inorganic fire-retardant coating with first-class fireproof performance is provided by the invention to create the highest standard of the inorganic coating in fire prevention.

The invention discloses a tea saponin-containing PU synthetic leather which is produced from the following raw materials in parts by weight: 80-100 parts of polyurethane resin, 80-100 parts of dimethylformamide, 2-4 parts of tea saponin, 0.5-1 part of soluble soybean polysaccharide, 1-2 parts of liquid rosin resin, 0.1-0.2 part of squalane, 1-2 parts of talcum powder, 1-2 parts of bamboo charcoal powder, 4-8 parts of mill base, 5-10 parts of sodium carboxymethylcellulose, 0.2-0.4 part of sodium salicylate, 0.5-1 part of aluminum chloride and 2-4 parts of a performance additive. The synthetic leather disclosed by the invention is added with a natural non-ionic surface active agent tea saponin, the quality and the ageing resistance of the synthetic leather are improved, and the natural non-ionic surface active agent tea saponin also has auxiliary functions of preventing mould and resisting bacteria, resisting oxidation, and killing and expelling insects.

The invention discloses a water-based formaldehyde-free fireproof antibacterial special functional board, wherein the water-based formaldehyde-free fireproof antibacterial special functional board sequentially comprises a wear-resistant layer, a decorative layer, a core layer and a balance layer from top to bottom, and the core layer is prepared by dipping a glass fiber mat in water-based resin slurry. Compared with the prior art, the characteristics of the glass fiber and the resin are organically combined, and the glass fiber reinforced plastic has the advantages of being good in fire resistance and water resistance, high in strength, mildew-proof, antibacterial, good in heat insulation and sound insulation and the like. Various decorations can be made on the surface, and different sizes and patterns such as highlight, matte and wood grain effects can be customized according to customer requirements. The provided plate is good in size stability and high in tensile strength, impact strength and bending strength, and can be widely applied to the field of home furnishing, decoration of public places and the like.

The invention belongs to the field of packaging, and discloses mildewproof and antibacterial composite glue and a paper board. The mildewproof and antibacterial composite glue is prepared from ingredients of sticky rice glue and a mildewproof and antibacterial agent, wherein the mildewproof and antibacterial agent is coffee slag powder, green tea extracts or free mixtures of the coffee slag powderand the green tea extracts. Through being metered by dry weight, the mass ratio of the sticky rice glue to the mildewproof and antibacterial agent is (3 to 10) to 10. The mildewproof and antibacterial composite glue can be used for preparing packaging materials or wrappage, such as a mildewproof and antibacterial composite paper board, the good mildewproof and antibacterial effect is achieved. The mildewproof and antibacterial composite glue and the environment-friendly composite paper board have the advantages that the materials are selected from natural waste materials; the natural adsorption and antibacterial characteristics are realized; the advantages of safety and environment protection are also realized.

The invention provides a manufacturing method of a diatom ooze embossment hanging picture and relates to the technical field of decorative pictures. The manufacturing method comprises the following steps that an embossment picture outer frame is manufactured, an embossment picture back plate is manufactured, mixed diatom ooze is scraped on the embossment picture back plate and dried in air, a second layer of diatom ooze is sprayed to a first layer of diatom ooze dried in the air, and the second layer of diatom ooze is granulated; the mixed diatom ooze and environment-friendly inorganic mineralpigment are mixed, and mixed mixture is placed into a silica gel three-dimensional die to form a three-dimensional embossment; the three-dimensional embossment is bonded to the embossment picture back plate coated with the diatom ooze and dried in the air; and the embossment picture back plate in the step e is fixed to the embossment picture outer frame. The method has the beneficial effects thatthe hanging picture adopting the diatom ooze has the advantages of being natural and environmentally friendly, resisting mildew and bacteria and purifying and humidifying air. Meanwhile, the embossment design is adopted, the decorating effect is better, the diatom ooze has the advantages of being fast, preventing falling off and being capable of being preserved in good condition for a long term,and use durability of the hanging picture is effectively improved.

The invention discloses a spar disc, a seamless spar floor and a preparation method of the spar disc and the seamless spar floor, and belongs to the field of building boards. The spar disc is formed by mixing and pressing crystal sand particles and a resin adhesive, pores which are communicated up and down are formed in the spar disc, and the porosity is 16-34%. And the thickness of the spar disc is 2-6mm. The mass ratio of the crystal sand particles to the resin adhesive is (8-15): 1, the particle size range of the crystal sand particles is 0.2-3.0 mm, and the particle size of the crystal sand particles is smaller than or equal to 2 / 3 of the thickness of the spar disc. The preparation method of the spar disc is a mold wiping and pressing method. The seamless spar floor is prepared from spar discs and a pouring sealing type resin adhesive. By controlling the grain size of the crystal sand and the mixing ratio of the sand glue, holes which are communicated up and down are formed, integrated permeating, pouring and packaging are facilitated, and the whole ground is completely seamless, free of color difference, smooth and flat in surface, easy to clean and maintain, resistant to abrasion and impact, resistant to water and skid, resistant to mildew and bacteria, good in decoration effect and long in service life.

The invention discloses a wood preservative and a preparation method thereof. The wood preservative is prepared from the following components in parts by weight: 10-20 parts of alkoxy methyl decyl dimethyl boron tetrafluoride quaternary ammonium salt, 4-10 parts of polyethylene glycol, 2-4 parts of nano silver oxide, 3-9 parts of diatomite, 4-10 parts of montmorillonite, 4-10 parts of bentonite, 2-6 parts of platycodin, 3-9 parts of polyacrylonitrile-based carbon fibers, 4-10 parts of thiabendazole, 5-12 parts of nano silicon dioxide, 3-9 parts of carbon tetrachloride, 4-10 parts of dodecyl dimethyl benzyl ammonium chloride, 5-15 parts of propylene carbonate and 3-9 parts of chitosan. The preparation method is simple, the prepared preservative has the effects of corrosion prevention, moisture prevention, moisture absorption, mildew prevention and bacteria resistance, the preparation cost is low, the preservative is non-toxic and harmless, and the treated wood and bamboo or wood and bamboo products can have good corrosion prevention and insect prevention performances.

The invention discloses an attapulgite mildew-resistant plasterboard. The attapulgite mildew-resistant plasterboard comprises the following raw materials in parts by weight: 30-60 parts of acidified paste-shaped attapulgite clay, 5-15 parts of methylisothiazolinone, 5-15 parts of dodecyl dimethyl benzyl ammonium chloride, 0.5-5 parts of methylparaben, 0.5-5 parts of propylparaben, 40-60 parts of pearl sand, 250-350 parts of natural dihydrate gypsum, 20-40 parts of epoxy resin casting glue, and 60-80 parts of deionized water. The attapulgite mildew-resistant plasterboard has the advantages of hard quality, acid and alkali resistance, aging resistance and mildew resistance and antibiosis, the raw material cost is low, the preparation method is simple, and the attapulgite mildew-resistant plasterboard has high practical value and good application prospect.

The invention discloses an antibacterial environment-friendly building caulking agent. Raw materials for the antibacterial environment-friendly building caulking agent include, by weight, 25-30 partsof silicate cement, 0.5-1 part of high-alumina cement, 55-70 parts of fillers, 1-2 parts of mildew-proof antibacterial agents, 1.5-3 parts of waterproof agents, 1-5 parts of pigment, 1-2 parts of lubricants, 0.5-2 parts of leveling agents and 1-2 parts of antioxidants. The antibacterial environment-friendly building caulking agent has the advantages that the antibacterial environment-friendly building caulking agent is high in adhesion stress, free of bubbling, crack and falling and convenient to use, is mildew-proof, antibacterial, environmentally friendly, antioxidant and colorful and has bright colors in terms of use, sterilization can be carried out by the antibacterial environment-friendly building caulking agent, and good waterproof effects can be realized by the antibacterial environment-friendly building caulking agent; excellent decoration effects further can be realized by the antibacterial environment-friendly building caulking agent, the requirements of high-grade ceramic tile decoration projects can be met, the antibacterial environment-friendly building caulking agent is high in chromaticity, fine and smooth in texture and applicable to joints of most types of ceramictiles and stone, and decoration effects of surface materials can be enhanced; the antibacterial environment-friendly building caulking agent has certain flexibility, waterproof performance and antioxidant activity after the antibacterial environment-friendly building caulking agent and water are mixed and constructed with each other, expansion and shrinkage deformation between plates can be prevented, accordingly, the service lives of decorative surfaces can be prolonged, and the like.

The invention discloses a fireproof antibacterial special functional flexible board and a preparation method thereof. The fireproof antibacterial special functional flexible board comprises release paper, an adhesive layer, a balance layer, a core layer, a decorative layer and a wear-resistant layer which are sequentially bonded from bottom to top. The preparation method comprises the steps that the core layer is prepared, the balance layer, the core layer, the decorative layer and the wear-resistant layer are sequentially stacked, an obtained blank is put into a press to be pressed and formed, and a semi-finished product obtained in the press is coated with the release paper after the adhesive layer coats one side of the balance layer. Compared with the prior art, the fireproof antibacterial special functional flexible board provided by the invention has the advantages that the combustion grade of the board can reach grade A, the surface of the board is more wear-resistant, the mildew-proof and antibacterial properties of the board are outstanding, formaldehyde is not contained, construction is easy, flexible bending can be realized, a minimum angle is R1.5, and the fireproof antibacterial special functional flexible board can be used for decoration of various cambered surfaces.

In order to overcome the defects of short service life of the loudspeaker and high adhesion tendency during rewinding due to the high aging tendency of the loudspeaker prepared from the material in the prior art, the invention relates to a TPV (thermoplastic vulcanizate) thermoplastic elastomer composite sheet with the advantages of low aging tendency and low adhesion tendency during rewinding and a manufacturing method thereof. In the TPV thermoplastic elastomer composite sheet, the middle layer is composed of 40-63% of ethylene propylene diene copolymer, 20-45% of softening agent, 10-30% of polypropylene, 2-5% of vulcanizing agent, 0-5% of black color master batch and 3-10% of talcum powder; the surface layer is composed of 43-65% of ethylene propylene diene copolymer, 7.5-30% of softening agent, 23-45% of polypropylene, 2-5% of vulcanizing agent, 0-5% of black color master batch, 0-2% of anti-aging agent and 0.5-1% of antiblocking agent. Due to the addition of the antiblocking agent, the composite sheet has low adhesion tendency during rewinding. The TPV adopts the surface layer raw material of the composite sheet, and thus, also has the antiblocking property.

The invention discloses diatomaceous earth putty powder and a preparation method thereof, and belongs to the technical field of environmental protection coating. The diatomaceous earth putty powder comprises the following raw materials according to the parts by weight: 8 to 25 parts of calcium hydroxide, 4 to 28 parts of white cement, 750 to 880 parts of ground calcium carbonate, 3 to 10 parts ofcellulose, 6 to 30 parts of dispersible latex, 8 to 25 parts of diatomaceous earth, 3 to 6 parts of antibacterial excipient, 3 to 6 parts of dispersant, 2 to 5 parts of defoaming agent, and 1 to 10 parts of pigment. The preparation method of the diatomaceous earth putty powder comprises the following steps of: firstly mixing the calcium hydroxide, the white cement, the ground calcium carbonate, the dispersible latex powder and the dispersing agent with deionized water, then adding the fermented diatomaceous earth and cellulose, and rare earth powder, afterwards adding the defoaming agent and the pigment, stirring successively and evenly, and finally freezing, heating and drying to obtain the diatomaceous earth putty powder. The diatomaceous earth putty powder prepared by the method has high-efficiency gas permeability and moisture resistance.

The invention discloses a mildew-resistant and antibacterial multi-fiber blended woven fabric, which is woven by warp and weft through an air-jet loom, and is characterized in that the raw materials of the warp and weft are made of the following raw materials in parts by weight: isotactic Polypropylene 30-36, cinnamaldehyde 3-5, thiourea 1-2, stannous sulfate 0.4-0.8, kaolin 3-6, modal fiber 25-34, milk grass fiber 20-25, elastic cotton fiber 19-26, Coconut carbon fiber 23-28, fluorosilicone resin 7-9, toluene diisocyanate 8-12, butanol 10-14, mulberry white bark 2-4, Scutellaria 3-4, 1-butyl-3-methylimidazole ethyl Salt 80-90, 1-allyl-3-methylimidazolium chloride 100-110, auxiliary agent 4-7, appropriate amount of water; the preparation method of the present invention has simple and convenient procedures, is easy to implement, and can be obtained through reasonable selection of raw materials and scientific preparation. Proportion design, the prepared woven fabric has comprehensive functions; the invention adds a variety of plant fibers and soaks them in Chinese herbal medicines, which not only improves the spinnability and spinning quality of plant fibers, but also improves the technical performance of woven fabrics. It has excellent properties such as mildew and antibacterial, soft touch, moisture absorption and breathability, suction and noise reduction, dust removal and heat insulation.

The invention provides a high-durability water-based polyurethane outdoor wood paint: calculated according to mass percentage, its raw materials include 15-20% of polyurethane dispersion A, 60-70% of polyurethane dispersion B, 0.1-0.6% of water-based crosslinking agent; polyurethane dispersion The effective active ingredient of body A includes mercapto-terminated aliphatic water-based polyurethane, and the elongation at break of polyurethane dispersion A is not less than 400%; the effective active ingredient of polyurethane dispersion B includes polyester-type aliphatic water-based polyurethane; The active ingredient of the aqueous crosslinking agent includes polycarbodiimide. The present invention uses polyurethane dispersion A with high elongation at break to compound polyurethane dispersion B, so that the coating film with the polyurethane component as the main film-forming component has both excellent hardness and toughness, greatly reducing the In the process of temperature change, the paint film cracks due to the inconsistency of shrinkage between the paint film and the wood, thus optimizing the protective function of the paint film on the wood surface.

The invention relates to a mildew-proof anti-bacterial waterproof material. The mildew-proof anti-bacterial waterproof material is prepared from the following raw materials in parts by weight: 30-40 parts of acrylic acid waterproof emulsion, 10-12 parts of hydroxypropyl methyl cellulose, 1-4 parts of cerium oxide powder, 4-7 parts of bamboo charcoal powder, 1-2 parts of decabromo dipheny ethane, 2-3 parts of calcined kaolin, 4-6 parts of heavy calcium powder, 0.1-0.5 part of tea polyphenol, 0.1-0.3 part of allicin, 1-2 parts of defoaming agent, 0.5-1 part of anti-bacterial essential oil, 2-3 parts of pigment, 0.1-0.5 part of octyl-isothiazolinone, and 30-35 parts of deionized water. The waterproof material is green and environmentall-friendly, excellent in performance, and good in waterproofness, and has the characteristics of high temperature resistance and mildew prevention and antisepsis, so the service life of the waterproof material is greatly prolonged.