153results about How to "Improve humidity control performance" patented technology

The invention relates to a silicic acid mud interior wall decorating material and a preparation method thereof. The silicic acid mud interior wall decorating material mainly comprises diatomite, sepiolite, kaolin, sierozem, coarse whiting, wollastonite, white cement, silica sand, talcum powder, nanometer titanium dioxide, ethylene-vinyl acetate copolymer, cellulose ether, aluminium-magnesium silicate, easily dispersed fiber, inorganic pigments and has the functions of humidity control and air purification. The preparation method comprises the following steps of: firstly acidizing the diatomite, the sepiolite and the kaolin, removing harmful ingredients in the diatomite, the sepiolite and the kaolin, improving the activation property of the material, then filtering, washing, drying and crushing, and finally adding the diatomite, the sepiolite and the kaolin and the other components to a dry powder blender for uniformly stirring. When being used, water is added to powder, so that the powder is prepared into paste or emulsion; the silicic acid mud interior wall decorating material is suitable for roll coating, spray finishing, blade coating and the like in interior wall decoration and has the functions of indoor humidity adjustment, peculiar smell elimination, removal of harmful gases such as formaldehyde and toluene in air and lasting environmental protection and simultaneously has the characteristics of rich color, strong sense of texture and environmental friendliness.

The invention discloses an environment-friendly humidifying diatom ooze coating. The coating is prepared from silica sol/benzene-acrylic compound emulsion, pure acrylic emulsion, modified diatom ooze, light calcium carbonate, lithopone, anion powder, sodium alginate, dispersing agents SN-5040, ethylene glycol, wetting agents AP-680, alcohol ester-12, propylene glycol monomethyl ether acetate, thickening agents, flatting agents, defoaming agents, sterilization and mildew prevention agents and deionized water. The environment-friendly humidifying diatom ooze coating has the effects of absorbing moisture, releasing moisture, cleaning air and releasing anions, harmful ingredients in indoor air can be absorbed, and the environment protection and healthy effects are achieved.

The present invention relates to a building material additive with the fanction of automatically regulating humidity, belonging to the separation field of gas or steam. Its composition contains (by weight portion) 10-70 portions of sepiolite family minerals, 2-40 portions of wood fibre, 5-40 portions of compound phosphate, 0.1-10 portions of cellulose, 2-10.5 portions of active carbon, 0-3 portions of inorganic antibacterial agent and 0-3 portions of mildew-resisting agent, and its preparation method includes the following steps: pickling sepiolite family minerals, activating and mixing all the components, making slurry, forming, roasting and breaking, etc. Said invented additive can be added into various building materials, and can effectively improve indoor environment air quality.

The invention discloses a multifunctional ecological environmental-friendly architectural decoration material and a production method thereof. The material comprises land plaster, kieselguhr, tourmaline, organic water-soluble rubber powder, nanometer titanium dioxide, nanometer zinc oxide, a retarder and fibers. The production method comprises the following steps of: proportionally mixing the nanometer titanium dioxide, the nanometer zinc oxide, the retarder and the kieselguhr into a material mixer for 5-8 minutes; mixing the land plaster, the tourmaline, the organic water-soluble rubber powder and the fibers for 5-10 minutes; adding the water and the water repellent, fully stirring to uniform slurry, injecting into a mould and forming, after 15-20 minutes, demolding, drying, grinding, spraying and packaging to a finished product. According to the invention, the material has the characteristics of wide raw material sources, good humidifying property, excellent fire resistance, light weight and high intensity, and is capable of absorbing and decomposing formaldehyde, methylbenzene and a volatile organic compound (VOC), removing odor and sterilizing, adjusting indoor humidity, releasing performance of negative ions and effectively purifying air.

The invention discloses an exterior wall coating material capable of finishing working through one-time painting.The exterior wall coating material is prepared from natural resin, polyvinyl acetate emulsion, deionized water, quartz powder, zinc oxide, sulfonated hyperbranched polypyrrolone modified graphene oxide, polybenzimidazole modified meso-porous silicon, KH-560 and inorganic pigment.The exterior wall coating material capable of finishing working through one-time painting has the better adhesive capacity, aging resistance, covering power, washing resistance, scratching resistance, stain resistance, self-cleaning performance, fastness, acid resistance and alkali resistance, longer service life and the like compared with existing water-based exterior wall coating materials.

The invention discloses a preparation method of a museum environmental-protection humidifying agent, which adopts the following steps of A) adding konjac glucomannan and sodium carboxymethylcellulose in water to be blended and gelatinized; B) adding products of the step A) in crylic acid, sodium hydroxide, initiator and a cross-linking agent, adjusting the temperature to be at 55DEG C to 60 DEG C to react for 1-2h, and stoving the reaction products by using microwaves; and C) grinding stoved sample in the step B), sieving by using a 20-mesh sieve and a 40-mesh sieve, obtaining 20-40 mesh particles to add in buffered solution with the pH of 4-6, preheating for 5-10min in a water bath at the temperature of 50-60 DEG C, adding glucanase in certain proportion, conducting enzymolysis for 0.5-2h, boiling for 10min at the temperature of 100 DEG C for oxyreductase, conducting suction filtration on obtained products, and conducting microwave drying to obtain the museum environmental-protection humidifying agent. Dosage of the buffered solution is 20-30 times of that of the sample, and the dosage of glucanase is 0.5-2% of that of the sample. The preparation method is rapid in product humidity response, big in humidity ratio, simple in manufacture cost and convenient to manufacture.

The invention provides a soap free latex type amphiphilic polymer resin, which is formed by polymerizing unsaturated acid alkyl, styrene, methyl methacrylate, butyl methacrylate, butyl acrylate, hydroxypropyl methacrylate, ethylene glycol methacrylate, acrylamide, diacetone-acryloamide and other monomers. The paint which takes the soap free latex type amphiphilic polymer resin as a main film forming material and combines with multiple kinds of inorganic polymer stuffing integrates with decorative property, humidifying property, permeability, heat preservation, condensation prevention, water and alkali resistance, bacterium resistance and so on, and can prevent the paint film from dropping off due to multiple kinds of seepage and water condensation of a wall body, so that the paint film is more durable; in addition, the paint has no organic solvent, and is more safe and environment friendly.

The invention discloses refrigeration equipment and a control method of the refrigeration equipment. The refrigeration equipment comprises a storage cavity and a moisture adjusting air way, wherein moisture control space is formed in the storage cavity; one end of the moisture adjusting air way communicates with the moisture control space, and the other end communicates with an air return area ina heat exchange cavity of an evaporator of a freezing chamber of the refrigeration equipment; and an air door is arranged on the moisture adjusting air way, and is used for controlling communication between the freezing chamber and the moisture control space. According to the refrigeration equipment, in the process of controlling and adjusting humidity of the moisture control space, the detectionof refrigeration state parameters of the freezing chamber is not needed, and the judgment if the freezing chamber or a refrigeration chamber meets dehumidifying conditions is not needed; the air dooris closed when high humidity is needed, and the air door is opened for dehumidification when low humidity is needed only according to the humidity in the moisture control space and the high-humidity or low-humidity demands of the moisture control space; and the refrigeration equipment is simple in structure and excellent in moisture control effect.

The invention relates to the field of rock plate manufacturing, and provides a matte dry grain surface rock plate and a preparation method thereof, which are used for improving the performance of the rock plate. The matte dry granular surface rock plate provided by the invention comprises a cover glaze and a green body; the green body comprises 30-50 parts by mass of clay, 20-40 parts by mass of albite, 8-15 parts by mass of pyrophyllite, 5-8 parts by mass of zinc silicate, 6-10 parts by mass of kaolin, 3-8 parts by mass of talc, 10-20 parts by mass of matte dry granules, 3-7 parts by mass of wollastonite, 1-5 parts by mass of aluminum oxide, 1-5 parts by mass of fluorite and 1-5 parts by mass of strontium carbonate. The green body of the rock plate has a certain matte effect, so that the product has a different matte effect when the green body is combined with the glaze surface.

The invention discloses a humidifying process for high-moisture charged coking coal. The process comprises the following steps of: pre-humidifying the high-moisture charged coking coal; sieving coal particles; smashing and separating large-particle coal; humidifying charged coking coal; recycling a low-grade heat source; and dedusting and pelletizing. The humidifying process has the advantages of high humidifying performance, large humidifying range, low energy consumption, low air pollution and convenience for maintaining and repairing.

The invention discloses a coating construction technology for an indoor wall. Kieselguhr putty powder with a humidifying function is combined with a water-based inorganic coating with air permeability, and an appropriate construction technology is adopted for coating the indoor wall, so that the requirement for indoor wall decoration can be met, absorbability and air permeability of the wall are promoted and the wall has the function of regulating indoor air humidity.

The invention relates to a temperature-sensitive humidity-sensitive functional building material and a preparation method thereof. The functional building material is a plate made from the following ingredients in parts by weight: 40-60 parts of cementing material, 6-12 parts of composite temperature control material, 15-30 parts of semi-carbonized plant fiber, 10-25 parts of filling, 0.5-2 parts of foaming agent, and 0.05-0.2 parts of foam stabilizer. The preparation method comprises the following steps of: uniformly mixing all the ingredients, adjusting the ratio of water to materials to 0.30-0.45 to prepare the plate, curing the plate in an environment at the temperature of 25 DEG C and relative humidity not less than 80% for 7 days and then drying the plate to obtain the temperature-sensitive humidity-sensitive functional building material. Therefore, the temperature-sensitive humidity-sensitive functional building material provided by the invention can be used for effectively improving the comfort of an indoor environment, is simple in production and construction process, can be widely applied to the inner walls of an existing building and a new building, and is of a great significance in energy conservation, emission reduction and circular economy development.

The invention discloses an interior wall coating having multiple functions of temperature and humidity regulation and photocatalysis and a preparation method thereof and belongs to the technical field of photocatalytic coatings and building energy saving. The coating is prepared from a photocatalytic packing, a temperature and humidity regulating packing, a film-forming material, a dispersing agent, a stabilizing agent, a wetting agent, a mildew preventive, a defoaming agent, a flatting agent, a thickener, a drier, a drying assistant, water and the like, wherein the photocatalytic packing is Eu-Ce/TiO2, and the temperature and humidity regulating packing is a SiO2 based hexadecanol-palmitic acid-lauric acid microcapsule temperature and humidity regulation material. The preparation method of the coating comprises the steps of (1) preparation of the photocatalytic packing, (2) preparation of the temperature and humidity regulating packing and (3) preparation of the interior wall coating having the multiple functions of temperature and humidity regulation and photocatalysis. The coating can conduct photocatalytic degradation on formaldehyde gas and regulate indoor temperature and humidity in the presence of a visible light source, effectively improves the indoor environment comfort and the quality of indoor air, reduces building energy consumption and conforms to the development trend of national green ecological building materials.

The invention relates to a preparation method of a spherical composite humidity-controlling material, which comprises the following steps of: a. activating halloysite for 2-3 hours to obtain activated halloysite; b. adding polyacrylic acid into a sodium hydroxide solution obtained by mixing sodium hydroxide with distilled water for neutralization, respectively adding konjac glucomannan, the activated halloysite, potassium peroxodisulfate, N, N'-methylene bisacrylamide and a aluminum chloride solution obtained by mixing aluminum chloride and water into a reactor filled with the neutralized solution, and stirring for reaction; c. adding sodium bicarbonate into the reactor to generate aluminum hydroxide and carbon dioxide, carrying out primary foaming, and stirring for reaction to obtain a synthetic product; d. drying the synthetic product at 80 DEG C and shearing the block synthetic product into small cubic pieces; and e. heating at the temperature of 150 DEG C to decompose aluminium hydroxide and evaporate water, carrying out secondary foaming and drying to obtain the spherical composite humidity-controlling material. The spherical composite humidity-controlling material is simple and convenient to prepare, low in cost, good in effect, environment-friendly and free from pollution.

The invention discloses a preparation method for a silicon dioxide humidity regulating material. Sodium silicate, polyacrylic acid, dilute nitric acid, deionized water and other raw materials are synthesized to compound the functional humidity regulating material. A mesoporous material is adopted as the skeleton, on the basis, polyacrylic acid is added and a phase separation technique is utilized to introduce large pore channels to the skeleton of the mesoporous material, thus further improving the humidity regulating performance of silicon dioxide. Compared with existing humidity regulating materials, the silicon dioxide humidity regulating material provided by the invention has the advantages of: 1) fast moisture absorption and desorption response speed, efficient and rapid regulation of microenvironment relative humidity; 2) convenient regeneration and reuse; 3) cheap and abundant silicon source sodium silicate; 4) simple production process and equipment, and easy industrialization; and 5) no generation of harmful substances in the production process.