38results about How to "Good dealdehyde effect" patented technology

The invention discloses a geothermal type formaldehyde-removing solid wood composite floor and manufacturing method thereof and aims to increase the formaldehyde removing effect of the composite floor. The composite floor comprises floor base material. Rabbets are formed in four sections of the floor base material. The floor base material sequentially comprises a filling layer, a paint-preventing layer, a primer layer and a finishing coat layer from bottom to top. A waterproof layer is disposed at the bottom of the floor base material. The composite floor is characterized in that the finishing coat layer sequentially comprises a wear-resistant finish coating layer, a scratch-resistant finishing coat layer and a formaldehyde-removing finishing coat layer from the bottom to top. Common environment-friendly UV coatings are used on the wear-resistant finish coating layer and the scratch-resistant finishing coat layer. The geothermal type formaldehyde-removing solid wood composite floor conforms to national standards, and product quality is increased greatly.

The invention provides an environment-friendly efficient photocatalyst formaldehyde scavenger. The contained components have non-toxic and environment-friendly effects, formaldehyde can be efficiently scavenged, the application range is wide, and the defects in the prior art are solved. The invention specifically provides the environment-friendly efficient photocatalyst formaldehyde scavenger which is prepared from the following components by weight percent: 5-15% of a silk fibroin peptide-based surfactant, 5-10% of a formaldehyde scavenger, 1-8% of a photocatalyst, 0.1-0.5% of nano silver colloids and the balance being pure water. The invention further provides a preparation method of the environment-friendly efficient photocatalyst formaldehyde scavenger.

The heteropoly acid catalyzed process to eliminate micro aldehyde group from 1, 3-propylene glycol includes: adding heteropoly acid, salt of heteropoly acid or solid carried heteropoly acid catalyst into 1, 3-propylene glycol solution, obtained through dewatering 3-hydroxy propanal hydrogenating product and certain amount of aldehyde group, to eliminate aldehyde group; and decompression rectifying 1, 3-propylene glycol solution after eliminating aldehyde group to obtain 1, 3-propylene glycol product with purity higher than 99.6 % and aldehyde content lower than 10 ppm and meeting the requirement as polyester PTT producing material.

A production method for a microorganism metabolite organic formaldehyde removing agent comprises the steps that streptococcus thermophilus, candida utilis and lactobacillus plantarum are inoculated into an aerobic culture medium and an anaerobic culture medium to carry out fermentation respectively; when the cell concentration of all the fermentation solutions reaches 106/ml, the aerobic culture bacterium solution, the anaerobic culture bacterium solution and a mixed culture medium are mixed at the proportion of 1:1:3, the mixture is poured into a fermentation bucket to carry out anaerobic fermentation for 20 days, and fermentation is ended when the pH value reaches around 7; fermentation metabolites are separated through a membrane separation technology, viable organism thalli are filtered out, and thus filter liquor containing the fermentation metabolites is obtained. According to the production method, three kinds of beneficial strains are screened according to the microecology principle, and reasonably matched and combined into multiple microorganisms for fermentation, and damage to the structure of the metabolites by high-temperature treatment is avoided through the combined fermentation technology and the membrane separation technology; meanwhile, the metabolism solution without the viable organisms has the good effects of formaldehyde removing, dust collecting, sterilizing and indoor air refreshing, and the product performance is more stable.

The invention relates to a formaldehyde absorbing agent containing ternary copper-doped nano titanium dioxide and a preparation method of the formaldehyde absorbing agent. The formaldehyde absorbing agent is prepared from the ternary copper-doped nano titanium dioxide, a nano active silver solution and water, wherein the mass percent of the ternary copper-doped nano titanium dioxide is 1-10%, and the mass percent of the silver is 0.001-0.1%. The preparation method comprises the following steps: the ternary copper-doped nano titanium dioxide powder is dispersed in partial water, the nano active silver solution is added, the remained water is supplemented, and therefore a water agent is obtained. The formaldehyde absorbing agent containing the ternary copper-doped nano titanium dioxide has extremely-high sterilization and formaldehyde removing functions, does not have special demands on luminous energy or light intensity, and the formaldehyde removing rate reaches 89.5% within 24 hours; the absorbing agent does not have corrosivity, is mild in handfeeling and does not hurt material surfaces; the absorbing agent is widely applicable to factory and home space formaldehyde removal, and has no residues or secondary pollution; the absorbing agent is easy to store, and has good stability; and the preparation method of the absorbing agent is simple, easy to operate, and suitable for large-scale production.

A form-aldehyde removing agent is proportionally prepared from water, 2-amino-2-ethyl-1-3-propanediol, Na2S2O3, Na2So3, pvA-1788, water-soluble edible essence, photocatalyst and assistant.

The invention belongs to the field of coatings, and relates to a water-based environment-friendly coating capable of removing formaldehyde. For each 100 parts of coating, the coating comprises 10 to 50 parts of a formaldehyde-removing water-based polyurethane emulsion; 10-30 parts of water-based acrylic resin, 5-8 parts of titanium dioxide, 3-5 parts of talcum powder, 0.1-0.5 part of a dispersingagent, 2-5 parts of a coalescing agent, 0.1-1 part of a rheological agent, 0.1-0.3 part of a defoaming agent, 0.1-1 part of a thickening agent, 0.1-0.5 part of a preservative, 0.5-2 parts of a silanecoupling agent and the balance being deionized water. The water-based coating has the beneficial effects that the main component of the formaldehyde-removing water-based coating is the formaldehyde-removing water-based polyurethane emulsion, and active groups capable of reacting with formaldehyde are introduced into the water-based polyurethane resin through chemical reactions. Meanwhile, due to the addition of a neutralizer, the polymer emulsion is weakly alkaline, so that active groups of imidazole derivatives can efficiently react with formaldehyde, and the generation of formaldehyde can beinhibited in the whole reaction process.

The invention relates to the field of furniture factory furniture formaldehyde removal devices, in particular to a formaldehyde removal device facilitating chip removal. The formaldehyde removal device comprises a base, a damping structure, a stamping structure, a take-up structure, a limiting structure and a processing structure; the stamping structure is installed on the base, the interior of acontainer containing a formaldehyde removal agent can be continuously pressurized through a labor-saving treading action of a lever, and the formaldehyde removal agent can be finally sprayed out in amist shape, so that the labor-saving effect can be achieved, the formaldehyde removal effect can be better, gas can be extruded into another container, it can be guaranteed that final gas is sprayed out at high pressure, wood chips and dust accumulated on the surface of furniture can be removed in time, and subsequent formaldehyde removal work can be better conducted; and through the installationof the take-up structure, a pipeline can be wound and stored, not only can the pipeline be conveniently drawn to carry out ash removal and formaldehyde removal work on the large-area furniture, but also the pipeline can be automatically wound and stored after the work is finished.

The invention discloses a special laundry detergent with the functions of removing bacteria and formaldehyde for infants. The special laundry detergent is prepared from the following raw materials in percentage by mass: 9 to 12 percent of traditional Chinese medicinal extracting solution, 3 to 5 percent of titanium dioxide/activated carbon/nanosilver composite particle, 5 to 7 percent of fatty alcohol-polyoxyethylene ether-9, 10 to 15 percent of 70 weight percent fatty acid methyl ester sulfonate, 5 to 7 percent of 50 weight percent alkyl glycoside, 3 to 5 percent of 30 weight percent potash soap, 7 to 9 percent of 30 weight percent cocamidopropyl betaine, 0.3 to 0.5 percent of diethylenetriamine pentacarboxylic acid salt, 0.6 to 0.8 percent of chamomile essential oil and the balance of deionized water; the traditional Chinese medicinal extracting solution contains effective components of folium isatidis. The product is mild and irritation-free in formula, and can realize a better cleaning effect and effects of sterilizing and removing formaldehyde, so that the health is better protected.

The invention provides a novel nano-composite environment-friendly material for removing formaldehyde peculiar smell, and belongs to the technical field of environmental protection materials, wherein the material comprises the following raw materials in parts by weight: 5-10 parts of titanium dioxide, 10-20 parts of nano silver, 2-6 parts of a thickener, 4-10 parts of sodium percarbonate, 50-80 parts of deionized water, 70-90 parts of activated carbon, 10-20 parts of activated alumina powder, and 15-30 parts of an amino acid mixed solution. The novel material provided by the invention can improve the absorption effect of the activated carbon on formaldehyde, has good absorption rate and absorption efficiency on formaldehyde, has the advantages of low cost, easily available materials and good formaldehyde removal effect, and is suitable for popularization and application.

The invention discloses an inorganic formaldehyde-removing fireproof water-based paint, which is prepared from the following ingredients in parts by weight: 62 to 75 parts of water-based epoxy modified acrylic resin, 6 to 18 parts of inorganic formaldehyde-removing modifiers, 5 to 10 parts of flame retardants, 0.1 to 0.5 part of wetting dispersants, 0.1 to 0.3 part of coalescing agents, 0.05 to 0.2 part of antifoaming agents and 15 to 30 parts of deionized water. The water-based epoxy modified acrylic resin used in the invention is green and environment-friendly, after the flame retardant, the inorganic formaldehyde removal modifier and various auxiliaries are added, the paint not only is environment-friendly, but also has relatively strong flame retardance, weather resistance and adhesive force, in addition, harmful gases such as formaldehyde emitted by other materials can be removed, and therefore, the paint has a good formaldehyde removing effect.

The invention discloses a formaldehyde removal material containing dopamine and a preparation method of the formaldehyde removal material, belonging to the field of formaldehyde removal. The formaldehyde removal material comprises the following raw material components in parts by weight: 6 to 15 parts of dopamine, 6 to 20 parts of acid, 40 to 60 parts of a carrier and 50 to 90 parts of distilled water. Specifically, the formaldehyde removal material comprises the following raw material components in parts by weight: 6 parts of the dopamine, 6 parts of the acid, 40 parts of the carrier and 50 parts of the distilled water; or 15 parts of the dopamine, 20 parts of the acid, 60 parts of the carrier and 90 parts of the distilled water. The carrier can be any one or a mixture of more than one selected from the group consisting of activated carbon, aluminum oxide, silica gel, a porous molecular sieve, diatomite, ceramic and the like. The prepared dopamine-containing formaldehyde removal material can quickly remove formaldehyde at room temperature, and is good in formaldehyde removal effect, large in adsorption capacity and free of secondary pollution.

The invention discloses oxidation-resistant low-odor interior trim leather of a car. The oxidation-resistant low-odor interior trim leather of the car comprises a leather blank layer, wherein a sealing lining is arranged on a flesh side of the leather blank layer; a bottom pulp layer coats a leather side of the leather blank layer; a coloring layer is arranged on the bottom pulp layer; a top pulp layer coats the coloring layer in a rolling manner; and an embossing layer is arranged between the bottom pulp layer and the coloring layer. The sealing lining is arranged on the flesh side of the leather blank layer, contains FAR aldehydes capture agents, is good in aldehyde removing effect, and can meet requirements of carbonylation synthesis of acetic anhydride by methyl acetate, and the purpose of obviously reducing contents of acetaldehyde and formaldehyde is achieved obviously. Toughness of leather fibers is high; the oxidation-resistant low-odor interior trim leather of the car has a special mechanical property advantage, is obvious in anti-oxidation effect and has a proper low-smell technology; harmful substances are controlled severely; and safety of a user is guaranteed sufficiently.

The invention provides guanidine salt modified activated carbon for removing aldehyde. The guanidine salt modified activated carbon meets the following indexes: (1) before guanidine salt modification,the initial CTC value of the activated carbon is more than 60; and (2) after guanidine salt modification, the pore volume retention rate of the activated carbon is between 22% and 85%. The inventionalso provides a preparation method of the guanidine salt modified activated carbon, a composite filter screen comprising the guanidine salt modified activated carbon and an air purification device comprising the composite filter screen. By utilizing the guanidine salt modified activated carbon and the composite filter screen comprising the guanidine salt modified activated carbon, aldehyde substances, especially formaldehyde in air, can be efficiently removed (the F-CADR value of the composite filter screen per square meter is 200m < 3 >/h or above).

The application discloses formaldehyde trap spray and a preparation method thereof. The formaldehyde trap spray comprises, by weight, 30-50 parts of aloe extract, 30-50 parts of sweet potato leaf extract, 0.05-0.1 part of a hydrolyzing agent, 10-20 parts of a dispersant, and 100-120 parts of deionized water. The application also provides the preparation method of the formaldehyde trap spray. The technical problem is solved herein that an existing formaldehyde purifying method has low purifying efficiency, is severely affected by environment and easily causes secondary pollution.