117results about How to "Eliminate formaldehyde" patented technology

The invention discloses an environmental protective paint and preparing method, which comprises the following parts: water, aqueous emulsion, anionic slurry, antibacterial agent, plant aromatic and other adjuvants, wherein the adjuvant contains multi-functional adjuvant, thickener, composite leveling agent, defoamer, wetting agent, filming agent, preservative, fungicidal paint, dispersant and brightener. The invention purifies formaldehyde, benzene and ammonia by 92%, 90% and 92% respectively, which releases anion at 700-1500 / cm3continuously.

The invention relates to the field of fine chemical engineering, in particular to a persimmon peel extractive, an extraction method thereof and a formaldehyde-removal coating containing persimmon peel extractive. The persimmon peel extractive is characterized in that the persimmon peel is dried, smashed and screened to obtain the dry powder of the persimmon peel; and then, the dry powder of the persimmon peel is extracted by acetone to obtain the persimmon peel extractive. The coating comprises the persimmon peel extractive. The coating provided by the invention does not release formaldehyde and has low content of volatile organic compounds (VOC), and the quality conforms to the national standard. Experiments prove that the coating provided by the invention can be used for effectively inhibiting bacteria of which the bacteria inhibition rate is more than 99.99%, and formaldehyde strainaway rate is 93.16-95.97%. The interiro wall latex paint provided by the invention has the strainaway rate for VOC is 68.79-73.17%, wherein the strainaway rate for benzene is 63.14-73.06%, and thus the persimmon peel extractive can effectively and continuously remove formaldehyde in the air and other volatile organic compound airs (VOC).

The present invention belongs to an internal wall paint with the functions of removing formaldehyde, resisting bacteria and resisting electromagnetic radiation. Its composition includes (by wt%) 1.5-3% of titanium dioxide nano-grade micropowder, 1-3% of silicon dioxide nano-grade micropowder, 0.5-1.5% of zinc oxide micropowder, 2-4% of negative ion micropowder, 1-2% of inorganic anti-bacterial micropowder, 5-8.5% of conductive micropowder, 1-2% of manganese-iron micropowder, 17-23% of film-forming component, 10-15% of pigment self-body, 16-18% of adjuvant and 20-45% of water.

The invention provides a compound of a peculiar smell and formaldehyde removal plant extracting solution and a preparation method of the compound, and relates to the technical field of environmental protection technology. The compound of the peculiar smell and formaldehyde removal plant extracting solution is prepared from the following substances in parts by weight: 0.5 to 3 parts of a natural plant extracting solution, 1 to 5 parts of an emulsifier, 5 to 10 parts of a solubilizer and 82 to 93.5 parts of a solvent. The natural plant extracting solution is an effective component of the compound of the peculiar smell and formaldehyde removal plant extracting solution; the compound is subjected to compounding treatment to form a vegetal peculiar smell and formaldehyde removal disinfectant; the compound can be completely biodegraded, is free of secondary pollution and is natural and environmentally friendly; through mutual cooperation, all the substances generate irreversible reaction with formaldehyde and peculiar smell so as to reduce the concentrations of the formaldehyde and the peculiar smell to achieve the effect of eliminating the formaldehyde and the peculiar smell; the compound is nontoxic to a human body, has the effects of degrading the formaldehyde, clearing away the peculiar smell and cleaning the air and also has sterilization, disinfection and disease inhibition effects. The compound is convenient to use and can be widely applied to places such as a family, a hospital, a nursing home, a vehicle and a zoo.

The invention relates to an environmentally-friendly antibacterial powder coating, belonging to the technical field of coating material and aiming to solve the technical problems that the antibacterial function of the coating in the prior art is single and the antibacterial capacity ceases to be effective quickly. The environmentally-friendly antibacterial powder coating mainly comprises the following raw materials by weight: 30-40% of polyester, 30-40% of epoxy resin, 0.5-1.5% of a leveling agent, 0.5-1.5% of a brightening agent, 8.0-16% of an anion generating agent, 8.0-12% of a coupling agent, 2.0-4.0% of an antibacterial agent and 3.0-6.0% of a cross-linking agent. The coating can generate anions of about 1,000 / cm<3> and has a good antimicrobial effect, the antibacterial rate of more than 95% and the multiple effects of causing less pollution to the environment.

Disclosed are a Chinese herbal medicinal formaldehyde and foreign smell removing agent and a preparation method thereof. The Chinese herbal medicinal formaldehyde and foreign smell removing agent is characterized by mainly consisting of following raw materials including, by weight, from 5 to 10 parts of spikenard, from 20 to 30 parts of moxa leaves, from 8 to 10 parts of thyme, from 20 to 25 parts of lemons, from 10 to 12 parts of cortex phellodendri, from 6 to 10 parts of rhodomyrtus tomentosa, from 5 to 10 parts of lysimachia foenum-graecum hance, from 10 to 15 parts of mint and from 8 to 10 parts of radix zanthoxyli. All the raw materials in the prescription are placed in a container, are added with 900-1200 parts of water, and are stewed and filtered to obtain the Chinese herbal medicinal formaldehyde and foreign smell removing agent. The Chinese herbal medicinal formaldehyde and foreign smell removing agent and the preparation method thereof have the advantages that Chinese herbal medicines neutralize formaldehyde and foreign smell so as to eliminate the formaldehyde and the foreign smell, and really do not only cover the formaldehyde and the foreign smell generally, so that an effect of removing the formaldehyde and the foreign smell is achieved, a sterilizing effect is also realized, and the Chinese herbal medicinal formaldehyde and foreign smell removing agent does not contain any chemical raw materials, does not pollute environments, is safe and non-toxic, and does not cause side effects when directly contacting with human bodies.

The invention belongs to the technical field of air purification, and particularly relates to a carbon-based catalytic purification material for efficiently adsorbing and decomposing harmful substances and application of the carbon-based catalytic purification material, aiming to solve the technical problem that the air purification effect is poor in the prior art. The catalytic purification material comprises a carbon-based carrier, wherein the carbon-based carrier is loaded into any one or the combination of phosphate titanium dioxide and tetrapod-like zinc oxide whiskers. According to the invention, the excellent catalytic property of phosphate titanium dioxide and tetrapod-like zinc oxide whiskers and the powerful adsorption performance of the activated carbon are combined; substances including formaldehyde, benzene and the like are saved, catalytic reaction can be naturally carried out as long as water and oxygen exist in air, without needing of irradiation of visible light and ultraviolet rays, and the catalytic purification material can be conveniently used in various occasions, and also can be prepared into products such as products with various shapes and various functions, such as air filtering materials, air purification bags, air purification sheets, air purification boxes and air purification modules.

Disclosed are a composite vacuum heat insulation and preservation plate and a long-term breathing mud thereof. The long-term breathing mud is an indoor decoration material which is formed through mechanical weightless mixing preparation taking an inorganic cementitious material and diatomite as main raw materials and compounding a filling material, a functional additive, a water-retaining agent and a construction conditioning agent; and a whole room uses the long-term breathing mud and has formaldehyde elimination, air purification, the humidity adjustment, negative oxygen ion release, fire prevention, flame retardance, wall self-cleaning, sterilization, deodorization and other functions. The long-term breathing mud is health and environmental-friendly, has good decorative performance and also has functionality, so the long-term breathing mud is a new generation of indoor decoration material replacing wallpaper and an emulsion paint.

The invention discloses a glaze capable of inducing to generate negative ions. The glaze capable of inducing to generate the negative ions comprises ground glaze and cover glaze, the ground glaze comprises the following components in percentages by mass: 8-9% of sodium pyroxene, 6-7% of fluorite, 3-4% of barite and the balance of basic ground glaze; and the cover glaze comprises the following components in percentages by mass: 0.5-1% of titanium ores, 8-13% of alpha-Al2O3, 10-15% of titanium dioxide and the balance of basic cover glaze. The invention further discloses a ceramic tile with the glaze capable of inducing to generate negative ions and a preparation process of the ceramic tile. The sodium pyroxene, the fluorite and the barite are added on the ground glaze to trigger alpha-Al2O3of the cover glaze and titanium oxide in the titanium dioxide to generate an electric field on a tile surface, and substances such as water in air are ionized to generate the negative ions. The groundglaze does not have materials which affect color development of a color aid such as tourmaline, color development of ceramic ink is not affected, and the glaze can be applied to a ceramic tile by aninkjet penetrating technology.

The invention discloses an odor removing and air refreshing composition, which is prepared from the following raw materials by weight: 5-15 parts of pomegranate peel, 5-15 parts of orange peel, 50-75 parts of aloe, 20-45 parts of black tea, 15-30 part of mint, 5-25 parts of pogostemon cablin, 15-30 parts of Lonicera japonica, 10-30 parts of atractylodes lancea, 5-25 parts of phellodendron, and 5-15 parts of Gardenia jasminoides Ellis. The composition provided by the invention adopts high safety and non-toxic raw materials, effectively inhibits and kills the harmful bacteria in indoor air, quickly removes irritating odor and eliminates formaldehyde, not only can eradicate secondary pollution completely, but also has the effects of aroma resuscitation, consciousness restoring, heart nourishing and mental-tranquilization. The preparation method of the composition provided by the invention is simple and is easy to operate.

The invention relates to a water-based thin coating type diatom mud, including deionized water, cellulose, antifreeze agent, defoamer, wetting agent, multifunctional auxiliary agent, dispersant, negative ion slurry, titanium dioxide, kaolin 4000 mesh , Talc powder 1250 mesh, heavy calcium 1250 mesh, multifunctional polymer powder, diatomite 800 mesh, sepiolite, inorganic composite gel, emulsion f208, film-forming aid, defoamer, preservative, antifungal agent, Thickener ase‑60 and thickener 180. The invention is a wall material integrating environmental protection and functionality. It has the functions of heat preservation and heat insulation, and can save electricity and heating costs for houses decorated with it. The energy saving standard reaches more than 80%. The coating surface not only No blistering, shedding, obvious discoloration, etc. It also has the advantages of tensile resistance, fracture resistance, noise resistance, acid and alkali resistance, water resistance, aging resistance, chalking resistance, discoloration resistance and formaldehyde purification.

The invention discloses an ultra-bright negative ion glazed brick. The negative ion concentration of the ultra-bright negative ion glazed brick is 5-10 times higher than that of a common glazed brick,and at the same time, a crystal structure reflects light to enable the glazed brick more bright. The glazed brick comprises a bottom layer green body, a sound-insulation insulating layer, a top layergreen body, a base glaze layer, a functional layer and an overglaze layer; the bottom green body and the top green body comprise stone powders, sand, ultra-fine negative ion powders, diatom mud, mud,waste residues and broken mud of ceramic and water; the sound-insulation insulating layer includes a polyamide mesh, asbestos fibers and gypsum powders; the base glaze layer includes potassium sodiumfeldspar, quartz, alumina, washed soil, burnt talc, zirconium silicate and ultra-fine negative ion crystals; the functional layer includes ultra-fine negative ion crystals, activated carbon, diatom mud and glass beads; and the overglaze layer includes potassium sodium feldspar, barium carbonate, dolomite, zinc oxide, burnt talc, burnt soil, washed soil, corundum, nanometer titanium dioxide, and ultra-fine negative ion crystals.

The invention relates to a natural formaldehyde scavenging agent and its preparation method. Specifically, the invention relates to a formaldehyde-purifying scavenging agent prepared by natural raw materials and its preparation method. The natural formaldehyde scavenging agent is prepared by the following materials by weight: 30-55 parts of magnets, 50-80 parts of a purslane extracting solution, 20-45 parts of a cassia seed extracting solution, and 100-180 parts of distilled water. By adopting extracting solutions of natural herbal medicines, the natural formaldehyde scavenging agent of the invention provides a solution to the problem of secondary pollution caused by harmful substances generated during usage of current formaldehyde scavenging agents, and has no pollution, lasting effectiveness as well as obvious effect.

The invention relates to a multifunctional anti-influenza liquid aromatizer which comprises the following components, by weight, 0.5-5 parts of perfume, 0.01-1 part of a bactericide, 10-20 parts of anhydrous ethanol, 0.01-10 parts of bamboo vinegar, 0.01-0.5 part of an antifoaming agent and water extract ingredients. The water extract ingredients contain, by weight, 1-20 parts of honeysuckle flower, 1-20 parts of wild chrysanthemum flower, 1-20 parts of licorice, 2-6 parts of black soya bean, 0.3-0.7 part of fresh ginger, 2-7 parts of root of kudzu vine, 0.1-0.8 part of pinellia ternate and 1-3 parts of dried orange peel. Active ingredient concentrations of the water extracts of honeysuckle flower, wild chrysanthemum flower, licorice, black soya bean, fresh ginger, root of kudzu vine, pinellia ternate and dried orange peel are all 2%-3%. The liquid aromatizer provided by the invention has high transparency, good anti-influenza effect, stable performance and long storage and use time, and also can be used to absorb peculiar smell and foul smell in the air and kill influenza virus in the air. Thus, air quality is thoroughly improved.

The invention relates to a purely plant-extracted product capable of purifying indoor air. The product consists of the following components in parts by weight: 5-10 parts of isatis roots, 3-8 parts of folium artemisiae argyi, 20-30 parts of green tea leaves, 5-15 parts of scindapsus aureus, 4-8 parts of chlorophytum comosum, 5-12 parts of fagraea ceilanica, 10-15 parts of liquorice roots, 5-8 parts of honeysuckle buds and flowers, 5-10 parts of aloe, 3-5 parts of mint leaves, 1-3 parts of plant essence and 100 parts of deionized water. The preparation comprises weighing the components according to a formula; performing crushing, grinding and uniform mixing; adding deionized water; performing heating, mixing and filtering to obtain an extracted solution; adding the plant essence into the extracted solution according to the formula; and performing mixing, and performing refrigerated preservation. When the product is used, the product is sprayed indoors, and microorganisms are used to absorb the product to generate formaldehyde dehydrogenase to oxidize and decompose formaldehyde so as to reach the goal of air purification. The purely plant-extracted product capable of purifying indoor air provided by the invention has a fresh smell, is green and environmentally protective, is poisonless and harmless, and has effects of removing formaldehyde, removing peculiar smells and disinfecting and sterilizating.

The invention discloses an environment-friendly floor tile. The environment-friendly floor tile is prepared from the following components in parts by weight: 15 to 30 parts of cement, 10 to 20 parts of diatom ooze, 30 to 40 parts of quartz sand, 6 to 8 parts of bamboo fiber, 8 to 17 parts of silica gel, 5 to 9 parts of aluminum hydroxide, 1 to 3 parts of talcum powder, 2 to 4 parts of graphite, 3 to 6 parts of carbon black, 4 to 8 parts of straw powder, 5 to 10 parts of toughening agent, 8 to 15 parts of fire retardant, 0.8 to 1.5 parts of antioxidant and 3 to 10 parts of plant extracting solution. The environment-friendly floor tile is prepared from the natural and environment-friendly materials, and has the function of adsorbing harmful gases such as formaldehyde.

The invention discloses a flame-retardant post-dyeing method for an all-cotton fabric, which orderly comprises the following steps: a woven fabric is subjected to pretreatment, then flame-retardant treatment, and then ecological finishing, and the dyeing is performed after the ecological finishing. A flame-retardant post-dyeing process of the all-cotton fabric is to improve and adjust the prior flame-retardant process; and a face fabric is subjected to pretreatment, then flame-retardant working procedure, and then other working procedures such as dyeing and so on. Through the adjustment, the damage of the flame-retardant working procedure to dyes is avoided, and the quality of the dyeing is improved.

The invention relates to an environment protection-type interior wall paint with a formaldehyde purification function and a preparation method therefor. The paint comprises the following ingredients, by weight, 30-40 parts of water, 3-20 parts of titanium dioxide powder, 9-20 parts of active silicon, 0.5-5 parts of active silicon supported Ag-AgBr-TiO2, 3-5 parts of kaolin and 12-18 parts of emulsion. The active silicon and the active silicon of the active silicon supported Ag-AgBr-TiO2 are both a synthesized product with fly ash as a raw material, and the synthesized product is white powder. Then Ag-AgBr-TiO2 components are loaded on surfaces of the active silicon material through physical absorption, and the mass fraction of Ag-AgBr-TiO2 in the active silicon material is 5-10%. The paint can degrade formaldehyde into CO2 and H2O under a daylight lamp or normal sun light, and is an environment protection paint with a function of purifying indoor harmful gases such as formaldehyde and the like.

The invention discloses traditional Chinese medicine health maintenance diatom ooze. The traditional Chinese medicine health maintenance diatom ooze is prepared from 300-400 g of diatomite, 50-100 g of calcium hydroxide, 300-400 g of talcum powder, 10-50 g of latex powder, 100-200 g of white cement, 1-5 g of cellulase, 10-50 g of photocatalyst, 2-5 g of thickener, 2-5 g of dispersant, 1-5 g of defoamer, 1-80 g of pigment, 20-150 g of lavender powder, 20-150 g of jasmine flower powder, 20-150 g of rose flower powder, 20-150 g of dried tangerine or orange peel powder, 20-150 g of lemon grass powder, 20-150 g of mint powder and 20-450 g of traditional Chinese medicinal materials. The traditional Chinese medicinal materials are formed by mixing one or more of, by weight, 20-100 g of natural agilawood powder, 50-150 g of natural sandalwood powder and 50-200 g of natural western red cedar powder. Based on original diatom ooze, the traditional Chinese medicine is added, the functions of maintaining health, achieving healthcare, treating diseases and emitting different fragrances can be achieved, indoor bad air can be treated, formaldehyde can be removed, and effective air beneficial for the human body can be emitted.

The invention discloses a fitness bin with an air purifying function. The fitness bin comprises a closed bin body, a bottom plate, an essential oil tank, a fresh air system and a main controller. Diatom mud is sprayed at the side edge of the closed bin body; an antibacterial floor is paved on the bottom plate, a groove is formed in the edge, making contact with the bottom of the closed bin body, of the bottom plate, and a cranberry glass pipe is arranged in the groove; the essential oil tank is connected with the cranberry glass pipe, and composite essential oil is contained in the essential oil tank; the fresh air system is arranged at the top of the closed bin body, and the fresh air system is provided with an oxygen generating device and an air quality monitoring device; and the main controller comprises a plurality of intelligent switches and a visual touch screen. According to the fitness bin with the air purifying function, the air quality in the fitness bin can be guaranteed to guarantee that a body builder gets effective exercise in a healthy environment, and the specially-made composite essential oil is contained, so that the body builder enjoys the physical therapy effect of aromatherapy while fitness is conducted, and brain refreshing and fatigue relieving are achieved.

The invention provides a fire-resistant plastics-wood composite capable of purifying air and a preparation method thereof, and relates to the technical field of plastics-wood composite materials. The fire-resistant plastics-wood composite capable of purifying the air is prepared from, by weight, 15-23 parts of bamboo sawdust, 13-21 parts of rice husks, 13-19 parts of bagasse, 7-29 parts of ammonium polyphosphate, 15-27 parts of waste polyethylene foamed plastics, 5-21 parts of diatom ooze, 15-21 parts of activated carbon, 12-16 parts of urea resin, 21-37 parts of calcium oxide, 18-30 parts of phenolic foam, 13-19 parts of bamboo charcoal, 15-23 parts of attapulgite, 0.6-1.2 parts of flame retardant, 0.3-0.7 part of a heat stabilizer, 0.4-0.8 part of an antioxidant and 0.7-1.3 parts of compatilizer. The preparation method comprises the following steps of 1 raw material weighing, 2 crushing, 3 mixing, 4 stirring and 5 granulating. The prepared fire-resistant plastics-wood composite capable of purifying the air has the advantages of being resistant to flame and capable of purifying the air.

The invention provides a functionality gypsum plate for eliminating hazardous material and the preparing process thereof. The functionality gypsum plate of the invention comprises a functionality gypsum plate and a hazardous material elimination agent, wherein the hazardous material elimination agent comprises raw materials according to proportion by weight that dispersive medium is 500-650 parts, acids compound is 20-160 parts, polyamine compound is 100-400 parts, salt compound is 10-80 parts, waterborne resin is 1-60 parts, ethyl acetoacetate is 0.1-5 parts, titanium dioxide is 5-30 parts and tourmaline is 5-30 parts. The dispersive medium of the gypsum plate of the preparation employed by the invention is water not organic solvent, products obtained by synthesis reaction and resultant produced by reacting with hazardous materials of formaldehyde, benzene and the like are non-poisonous materials, secondary pollution can not be caused after usage, and the producing technique is simple and convenient in use.

The object of the present invention is to provide an air cleaner that can sufficiently suppress allergens, remove viruses, remove planktonic bacteria and mold, decompose ammonia odor, and remove formaldehyde, and is easy to manufacture without clogging of the deodorizing part. The air purifier of the present invention has a filter unit for circulating air and a fan motor arranged on the downstream side of the filter unit, and is characterized in that a vaporization filter for humidifying air is arranged between the filter unit and the fan motor, and the filter unit includes The dust collection filter, the activated carbon filter, and the zeolite filter are arranged with the dust collection filter at the upstream side, the zeolite filter at the downstream side, and the activated carbon filter at the middle.

The present invention relates to the technical field of manufacturing engineer wood floor for indoor decoration, and in particular to a manufacturing method that does not release any dissociated formaldehyde. The manufacturing steps are as the followings: Mix the adhesive agent; pour the mixed adhesive agent on a glue spreader at the linear velocity of ≦20 meters / minute; deliver the wooden middle boards to the glue spreader to carry out spreading glue; superimpose wooden middle boards having been coated with glue longitudinally and latitudinally, and deliver them to a cold press for cold press; put the rough middle boards having been coldly pressed on a hot press for hot pressing, in order to make them become base material of engineer wood floor; Stick decorative surface material on the base material of engineer wood floor in order to make them become a engineer wood floor; and form, paint, and pack the engineer wood floor finally.

A method for making diatomite bricks belongs to the technical field of inorganic non-metallic materials. The invention consists of materials: natural diatomite, kaolin, attapulgite, sepiolite powder, vermiculite powder, bentonite, water, bamboo powder, alginate, silicon carbide, and carboxymethyl cellulose. Diatomite bricks are prepared through the production process of configuring materials, pouring molds into billets, and microwave drying and sintering. The microwave drying and sintering method adopted in the present invention has fast heating speed, improved production efficiency, uniform heating, shortened production cycle, high efficiency, energy saving and no pollution. The diatomite brick produced by the invention is environmentally friendly and non-toxic, and has the functions of eliminating formaldehyde, purifying air, adjusting humidity, releasing negative oxygen ions, preventing fire and flame, sterilizing, deodorizing, absorbing moisture and deodorizing, absorbing sound and reducing noise.

The invention provides a formaldehyde hunting wood door, and relates to the technical field of wood door manufacturing. The formaldehyde hunting wood door comprises a door leaf, a lower door plate and an upper door plate, wherein the upper side and the lower side of the door leaf are respectively provided with the upper door plate and the lower door plate, the door leaf consists of an inner frame and an outer frame, the inner frame is arranged in the outer frame, a foam diatom ooze excess material region is arranged between the inner frame and the outer frame, a foam diatom ooze filling layer is arranged in the inner frame, and a plurality of open holes are formed in the inner frame. The formaldehyde hunting wood door has the advantages that the structure is simple, the design is reasonable, the manufacturing process is simple, and a suit door can achieve air purification, sound isolation and fire prevention effects through change fillings inside the door leaf.

The invention provides anti-bacterial and mould-proof anion diatom ooze dry powder, which relates to the field of building and ornament materials. Diatom ooze is a novel environmental-protection decorative material and has the functions on adsorbing formaldehyde and adjusting humidity, but on the current market, most of diatom ooze dry powder is unreasonable in formula, and does not have anti-microbial, mould proof and anion releasing functions, and aiming at the defects of the prior art, the invention relates to the anti-bacterial and mould-proof anion diatom ooze dry powder, which is characterized by being prepared from the following raw materials in parts by mass: 30 to 45 parts of kieselguhr, 15 to 30 parts of bentonite, 15 to 30 parts of ash calcium powder, 15 to 30 parts of heavy calcium carbonate powder, 2 to 8 parts of titanium dioxide, 5 to 10 parts of quartz powder, 8 to 15 parts of anion powder, 6 to 15 parts of redispersible powder, 4 to 10 part of xanthan rubber powder, 3to 6 parts of white cement, 2 to 6 parts of polypropylene staple fiber, 0.5 to 1.5 parts of quaternary ammonium salt, 0.3 to 1 part of sodium bicarbonate, 0.2 to 1.2 parts of sorbic acid, 0.2 to 1.2 parts of copper sulfate, 0.1 to 1 part of sodium fluoride, 0.5 to 2 parts of OBPA, 0.8 to 2.5 parts of diethanol amine, 0.05 to 0.7 part of dispersing agent, and 0.03 to 0.5 part of lubricating agent.

The invention provides a nanometer modified acrylate anti-microbial formaldehyde-scavenging interior wall coating, which is prepared from the following components in parts by weight: 40 to 50 parts ofacrylate emulsion, 10 to 16 parts of nanometer titania slurry, 4 to 6 parts of anti-microbial nanometer titania, 30 to 50 parts of pulverized fuel ash, 10 to 20 parts of titanium dioxide, 10 to 20 parts of heavy calcium carbonate, 8 to 10 parts of talcum powder, 1 to 3 parts of formaldehyde catching agent, 0.5 to 1.0 part of dispersing agent, 0.2 to 0.5 part of defoaming agent, 1.0 to 2.5 parts of coalescing agent, 0.5 to 0.9 part of thickening agent, 1 to 3 parts of antifreezing agent, and 40 to 60 parts of deionized water. The invention also provides a preparation method of the nanometer modified acrylate anti-microbial formaldehyde-scavenging interior wall coating. The coating not only has favorable low temperature stability, water resistance, alkali resistance, scrub resistance, weather resistance, sticky dirt resistance and ageing resistance, but also has the advantages of bacteria resistance and bacteriostasis, formaldehyde scavenging, high decorative property, breathable humidifying, environmental protection and the like.

The invention relates to the technical field of melamine adhesives, particularly a melamine adhesive formula for absorbing and decomposing formaldehyde in air and a preparation technique thereof. The melamine adhesive is composed of the following components in percentage by weight: 35-48% of formaldehyde, 28-32% of melamine, 3-7% of diethylene glycol, 7-15% of water, 3-7% of amine, 0-1% of sodium hydroxide, 4-7% of aldehyde remover and 0-5% of nano silicon dioxide. The preparation method comprises the following steps: sequentially adding formaldehyde, melamine, diethylene glycol, sodium hydroxide, aldehyde remover, nano silicon dioxide and amine into a preset weight of water, and stirring. Compared with the prior art, the furniture, floor board and decorative board using the melamine adhesive have the capacity for eliminating formaldehyde in air, and have high formaldehyde removal efficiency; the melamine adhesive is suitable for operation of the existing plant production equipment; and the melamine adhesive has the protective functions of scratch resistance, scoring resistance, wear resistance, water resistance and the like.