107results about How to "Good antibacterial and mildew resistance" patented technology

The invention discloses an odorless anti-formaldehyde environment-friendly internal wall latex paint and a preparation method thereof. The odorless anti-formaldehyde environment-friendly internal wall latex paint is prepared from the following components in percentage by weight: 1-15% of visible light induced nano titanium dioxide photocatalyst slurry, 15-35% of odorless emulsion, 1-15% of formaldehyde absorbent, 0.5-2% of dispersing agent, 0.2-3% of thickening agent, 0.2-1% of wetting agent, 0.1-1% of defoaming agent, 0.5-5% of film-forming assistant, 0.2-3% of anti-freeze agent, 20-40% of pigment and filler, 0.1-1% of pH regulator, 0.01-0.1% of anticorrosive bactericide and 15-40% of deionized water. The invention adopts an IPS+odorless technique, and the visible light induced nano titanium dioxide photocatalyst and the formaldehyde absorbent are added, thereby achieving the optimal effect of removing formaldehyde and other harmful substances through physical adsorption and chemical decomposition. The invention can be widely used for decorative spraying of various internal walls and other constructions.

The invention belongs to the field of antibacterial materials and products thereof, and relates to an antibacterial mildew-proof polypropylene composition, a polypropylene film and a preparation method of the polypropylene film. The antibacterial mildew-proof polypropylene composition contains high-melt-strength polypropylene base resin, a guanidine salt composite antibacterial agent, a mildewproof agent and an auxiliary agent, wherein the auxiliary agent contains an antioxidant, and based on 100 parts by weight of the high melt strength polypropylene base resin, the content of the guanidine salt composite antibacterial agent is 0.05-2.0 parts by weight, the content of the mildew inhibitor is 0.01-5.0 parts by weight, and the content of the antioxidant is 0.01-10 parts by weight. The antibacterial and mildewproof polypropylene composition has good antibacterial and mildewproof effects, the water resistance is also improved, and a polypropylene film prepared from the antibacterial and mildewproof polypropylene composition has the advantages of low transverse and longitudinal thermal shrinkage rate, excellent antibacterial and mildewproof performance, difficulty in discoloring afterlong-time use and the like.

The invention discloses a method for preparing an anti-bacterial plastic filament. The finished product anti-bacterial plastic filament is obtained through melt extrusion, granulation and spinning with a plastic base body, modified copper powder antibacterial agents and auxiliaries as raw materials. Due to the fact that nanoscale copper powder has very excellent anti-bacterial anti-mold performances, the anti-bacterial rate of the anti-bacterial plastic filament against strains such as escherichia coli and staphylococcus aureus reaches over 99%. A process for preparing the anti-bacterial plastic filament is simple; and the anti-bacterial plastic filament has lasting broad-spectrum anti-bacterial and anti-mold effects, can be widely applied to the fields of tail fibers of intrauterine contraceptive devices, anti-bacterial toothbrushes and makeup brushes and particularly has very high application values in plum rain prone zones in the South of China.

The invention discloses a special polyvinyl alcohol thin film for fruit and vegetable packaging. The special polyvinyl alcohol thin film comprises the following raw materials in part by weight: 100 parts of polyvinyl alcohol, 10-25 parts of starch, 5-13 parts of gelatin, 2-4.8 parts of montmorillonite, 1-3 parts of activated carbon, 0.5-2 parts of zeolite, 3-5.6 parts of modified alumina, 0.5-2 parts of nanometer silicon dioxide, 0.3-2 parts of chitosan quaternary ammonium salt, 2-8 parts of plant extract, 1-5 parts of spirulina, 0.01-0.09 part of antioxidant, 2-8 parts of retinervus luffae fructus, 2-8 parts of retinervus luffae fructus, 0.3-0.8 part of plant essential oil, 0.2-0.85 part of glutamine transaminase and 0.01-0.1 part of antibacterial peptide . The special polyvinyl alcohol thin film for fruit and vegetable packaging, disclosed by the invention, is excellent in antibacterial property, high in strength, low in moisture permeability and excellent in heat and weather resistance, is used for keeping fruits and vegetables fresh, is good in antibacterial and anti-mildew properties and can prolong the shelf lives of the fruits and the vegetables.

The invention discloses an electromagnetic shielding flame-retardant material for a carbon fiber base material as well as a preparation method and application of the electromagnetic shielding flame-retardant material. The material comprises 20-50 parts of a water-based flame-retardant polymer adhesive, 5 to 20 parts of a metal powder conductive filler; 8 to 40 parts of a macromolecular intumescentflame retardant; 4 to 10 parts of an ionic liquid containing phosphorus, nitrogen and halogen; 0.5 to 2.5 parts of a catalytic charring agent, 0.5 to 5.0 parts of a composite antioxidant, 0.5 to 5 parts of an antibacterial mildew inhibitor, 0.5 to 5.0 parts of a flame-retardant cross-linking agent, 0.3 to 3.0 parts of a wetting agent, 0.3 to 3.0 parts of a dispersing agent, 0.3 to 3.0 parts of aleveling agent, 0.2 to 2.0 parts of an antifoaming agent and 0.3 to 3.0 parts of a thickener. The electromagnetic shielding flame-retardant material is applied to a carbon fiber base material; a firmand durable protective layer is formed on the surface; the carbon fiber base material can be protected from being invaded by bacteria and mould, can endure environmental change, has high and low temperature resistance and damp and hot smoke resistance. The electromagnetic shielding flame-retardant material is safe and environment-friendly, a protective layer formed by spraying or coating is low insurface resistance, high in shielding efficiency and good in flame-retardant effect, and when meeting high-temperature flames, the electromagnetic shielding flame-retardant material can rapidly expand into carbon, insulate heat and oxygen and protect a carbon fiber base material from being damaged.

The invention discloses a formula of transfer printing water-based ink and a preparation method thereof. The ink comprises the following raw materials: 25-50wt% of water-soluble acrylic resin, 10-30wt% of disperse dyestuff, 1-3wt% of auxiliaries and 20-50wt% of water. The invention has the advantage of simple technology, the prepared ink has the advantages of low cost, good antibiotic and anti-mildew property, easiness in storing and excellent printing adaptability, and the printed calicopaper has good waterproofness, no color fading, clear design and strong sense of layering.

The invention discloses a pore-forming oxidative inorganic ecological decorative board and a production method thereof. The pore-forming oxidative inorganic ecological decorative board is prepared from, by weight, 100 parts of inorganic gelling powder, 0-22.0 parts of porous powder, 18.5-73.0 parts of liquid-phase medium, 0.05-5.5 parts of pore-forming compound catalytic oxidant, 1.5-20 parts of reinforced fibers and 1.3-4.5 parts of nanometer titania coating materials by stirring, forming, curing, drying and a veneer treatment technology. The pore-forming oxidative inorganic ecological decorative board has the advantages that a catalyst and the oxidant are supported on micropores inside a hydrated condensation matrix of the inorganic gelling material firmly simultaneously, microporous distribution and centralized distribution are enriched, and secondary intensification is achieved with the aid of a nanometer titania coating, so that the inorganic ecological decorative board is endowed with excellent purification performance to efficiently decompose harmful gas continuously and is capable of regulating indoor temperature and humidity effectively, resisting bacteria and preventing mildewing; the problems of contradiction in choosing physical performance and ecological performance of inorganic decorative boards alternatively, proneness to shedding and attenuation of the supported catalyst or oxidant and capability of causing blockage of surface micropores through conventional surface treatment are solved.

An antibiotic and mildew-resistant starch adhesive for wallpaper comprises 100 parts of deionized water, 4-15 parts of rice, 2-10 parts of potato starch, 0.05-1 part of a complexing agent, 0.01-0.5 parts of an in-can preservative, and 0.02-0.8 parts of a dry film bacterium killing mildew inhibitor. The adhesive has a good bonding performance, and especially the adhesive contains 0.01-0.5 parts of an antiseptic and 0.08-0.8 parts of the dry film mildew inhibitor. The adhesive has a good bonding performance, especially the excellent antibacterial property of the adhesive can guarantee the quality of the adhesive in a storage retention range and the long-acting bonding of an adhesive film to the wall paper and avoids moldy degumming of the adhesive.

The invention discloses a high-slow-release organic compound fertilizer for ulmus pumila. The high-slow-release organic compound fertilizer comprises raw materials, namely livestock manure, corn stalk, orange peel, rich hull, manioc wastes, turf, rice husk, furfural residues, phosphate solubilizing bacteria, potassium bacteria, nitrogen-fixing bacteria, crude fiber degradation bacteria, compost fermentation bacteria, urea phosphate, ammonium dihydrogen phosphate, humic acid, carbamide, monoammonium phosphate, monopotassium phosphate, potassium sulfate, ammonium sulfate, ferrous sulfate, boric acid, potassium nitrate, calcium nitrate, monocalcium phosphate, sodium glutamate, sodium alginate, a modified slow-release agent, a modified antibacterial anti-molding agent and a soil conditioning agent. The high-slow-release organic compound fertilizer disclosed by the invention is excellent in slow-release property and excellent in anti-molding property, nutrition requirements of the ulmus pumila in the whole growth period can be met, the yield of the ulmus pumila is effectively increased, the quality of the ulmus pumila is effectively improved, the ulmus pumila can be effectively prevented from mold on fertilizers, meanwhile structures of soil in which the ulmus pumila grows can be conditioned, soil caking is avoided, and thus the quality of the ulmus pumila is improved.

The invention discloses an environmentally-friendly antibacterial internal wall coating, which is prepared from the following raw materials: vinyl acetate-acrylic emulsion, organosilicone-modified terpene resin, modified starch, soyabean proteins, nano microporous activated silica, ultra-fine aluminum silicate, nano beta-calcium silicate, kaoline, rutile type titanium dioxide, shell powder, sepiolite, calcium carbonate, calcium sulfate whiskers, water, ethylene glycol tert-butyl ether, 2,2,4-trimethyl-1,3-glutaryl monoisobutyrate, hydrogen-containing silicone oil, a wetting agent, a dispersant, propylene glycol phenyl ether and a thickener. The environmentally-friendly antibacterial internal wall coating provided by the invention can absorb formaldehyde and reduce VOC (volatile organic compounds), and is excellent in antibacterial and anti-mildew properties and long in service life.

The invention discloses a moisture absorption and breathable towel fabric which is provided with a three-layer compound fabric. The towel fabric comprises am upper-layer fabric, a lower-layer fabric and a middle-layer fabric, structures of the upper-layer fabric and the lower-layer fabric are consistent, the upper-layer fabric and the lower-layer fabric comprises warp yarns and weft yarns, and thewarp yarns comprise, by weight, 45-50 parts of cotton fibers and 22-26 parts of milk protein fibers. According to the moisture absorption and breathable towel fabric, moisture absorption and breathable finishing liquor is matched and has synergistic facilitation functions, the prepared fabric has excellent antibacterial and anti-mildew performances and moisture absorption and breathable performance, and wearing comfort is improved.

The invention provides an antibacterial and environment-friendly coating. The antibacterial and environment-friendly coating comprises the following components as raw materials in parts by weight: 25-32 parts of polyvinyl alcohol, 17-19 parts of a polyacrylate emulsion, 8-10 parts of nanometer attapulgite, 11-13 parts of nanometer kaolin, 12-15 parts of diatomite, 10-12 parts of a shell powder, 5-8 parts of a sepiolite powder, 2.5-3 parts of a Beitou stone powder, 0.5-1 part of nanometer titanium oxide, 1-1.5 parts of polyacrylamide, 6-8 parts of epoxy resin, 0.5-1 part of a mineral oil defoamer, 0.2-0.3 part of an ammonium polyacrylate dispersant, 0.1-0.2 part of carboxymethyl cellulose, 3-5 parts of coconut oil, 3.5-4 parts of a pine needle powder, 2.5-3.5 parts of naringenin, 1.5-2 parts of thyme, 1-2 parts of tamarind shells, 4.5-5.5 parts of callicarpa nudiflora, 3-4.5 parts of holly leaves, 1-2 parts of schizonepeta and 55-65 parts of deionized water.

The invention discloses environment-friendly porcelain film coating used for an outer wall. The environment-friendly porcelain film coating is prepared from the following ingredients by weight percentage: 40-50% of silica sol dispersion, 1-4% of filters, 30-40% of a silane coupling agent, 5-15% of pigment, 0.1-1% of a leveling agent, 1-3% of a weather proofing agent, 1-3% of an antibacterial agent, 0.5-1.5% of an ultraviolet light absorber, 1-3% of poly-dimethyl hydroxyl silicone oil and 0.5-2% of an organic acid catalyst. A preparation method of the coating comprises the following steps: weighing raw materials for standby use; adding the fillers and the pigment into the silica sol dispersion and dispersing the fillers and the pigment; adding the weather proofing agent, the antibacterial agent, the ultraviolet light absorber and the organic acid catalyst and dispersing the weather proofing agent, the antibacterial agent, the ultraviolet light absorber and the organic acid catalyst; adding the silane coupling agent, the leveling agent and the poly-dimethyl hydroxyl silicone oil and uniformly dispersing the silane coupling agent, the leveling agent and the poly-dimethyl hydroxyl silicone oil, so as to obtain a product. The environment-friendly porcelain film coating product used for the outer wall, which is prepared from the matched materials has the advantages of being excellentin water resistance, weather resistance, soiling resistance, antibacterial property and better in effect; in addition, the preparation process is simpler in and is lower in cost.

The invention discloses environment-friendly putty powder which is characterized in comprising the following components in parts by weight: 20-30 parts of palygorskite, 10-20 parts of montmorillonite,15-20 parts of white cement, 1-3 parts of lambda-carrageenan modified polyquaternium-10, 2-4 parts of rosin modified cationic guar gum, 1-3 parts of konjac gum, 0.5-1.5 parts of epoxy-terminated hyperbranched polyphosphate and 0.5-1.5 parts of amino-terminated hyperbranched polybenzimidazole. The invention further provides a preparation method of the environment-friendly putty powder. The environment-friendly putty powder disclosed by the invention is good in comprehensive performance, sufficient in strength and adhesive force, high in hardness, good in water resistance, free of phenomena ofhollowing, peeling, cracking and falling off after being wetted by water, and safe and environment-friendly to use.

The invention belongs to the field of antibacterial materials and products thereof, and relates to an antibacterial mildew-proof polyethylene composition and foamed beads, a preparation method thereof, and a molded body. The antibacterial and mildewproof polyethylene composition contains polyethylene base resin, a guanidine salt composite antibacterial agent, a mildewproof agent and an auxiliary agent, wherein the auxiliary agent contains a foam nucleating agent and an optional antioxidant; based on 100 parts by weight of the polyethylene base resin, the content of the guanidine salt compositeantibacterial agent is 0.05-2.0 parts by weight, the content of the mildew preventive is 0.01-5.0 parts by weight, the content of the foam nucleating agent is 0.01-10 parts by weight, and the contentof the antioxidant is 0-10 parts by weight. The antibacterial and mildewproof polyethylene composition is good in antibacterial and mildewproof effects, the water resistance is also improved, the foamed beads prepared from the antibacterial and mildewproof polyethylene composition have impact resistance and low molding temperature, and the obtained molded product is excellent in antibacterial andmildewproof performance and high in compression strength.

The invention discloses antibacterial and anti-ageing coating for bamboo root carvings. The antibacterial and anti-ageing coating is prepared from the following raw materials in parts by weight: 45 to60 parts of bisphenol A epoxy acrylate, 12 to 22 parts of 3,3'-[oxybismethylene]bis[3-methyl]oxetane, 3 to 9 parts of phenolic epoxy resin, 2 to 9 parts of 1,6-hexanediol diacrylate, 2 to 9 parts ofperfluorohexylethyl acrylate, 8 to 15 parts of tert-butyl phenol glycidyl ether acrylate, 2 to 8 parts of o-cresol glycidyl ether, 2 to 8 parts of a photoinitiator, 3 to 7 parts of modified nano aluminum oxide, 2 to 3 parts of attapulgite, 0.5 to 2 parts of nano titanium dioxide, 0.3 to 1.5 parts of illite, 0.1 to 1 part of lanthanum hexaboride, 3 to 8 parts of a compound antibacterial agent, 2 to5 parts of calcium carbonate whisker and 0.2 to 1.5 parts of an auxiliary agent. The antibacterial and anti-ageing coating for the bamboo root carvings, provided by the invention, has good antibacterial and anti-ageing performance, is used for the bamboo root carvings and can be used for preventing the bamboo root carvings from being mildewed and cracked.

The invention discloses a PVDC (Polyvinyl Dichloride) coating material with a high barrier property. The PVDC coating material comprises a modified PA (Polyamide) film, wherein the surface of the outer side of the modified PA film is coated with modified PVDC latex; the surface of the inner side of the modified PA film is coated with modified PVDC nano adhesive; the modified PVDC latex is preparedfrom the following raw materials: ultrapure water, a PH value buffer regulator, a vinylidene chloride monomer, a methyl acrylate monomer, an initiator and a dispersant; the thickness of the modifiedPA film is 3.5mu m to 4.0mu m; the thickness of the modified PVDC latex covered on the surface of the outer side of the modified PA film is 2.5mu m to 3.0mu m; the thickness of the modified PVDC nanoadhesive covered on the surface of the inner side of the modified PA film is 1.5mu m to 1.8mu m. The PVDC coating material, within continuous 24h under atmospheric pressure, has the oxygen transmission rate of 0.018ml/mil/100in<2> to 0.053ml/mil/100in<2>, and at the temperature of 100 DEG C and under the relative humidity of 90 percent, has the moisture transmission rate of 0.009ml/mil/100in<2> to0.012ml/mil/100in<2>, and the PVDC coating material is used for solving the technical problems that PVDC latex is poorer in heat stability, when being heated or put for a longer time at a normal temperature, easily generates double bond conjugation, releases chlorine hydride, enables a cavity to be formed between molecules and is invalid in barrier property.

The invention discloses a mildew-resistant antibacterial braid and a preparation method thereof. The preparation method comprises the following steps: 1) mixing glass fiber and bamboo fiber to preparea mixture M1; 2) under condition of existence of a solvent, mixing the mixture M1 and bamboo charcoal powder, drying a mixture and grinding the mixture to prepare powder M2; 3) under condition of a pH value being 4-6, mixing the powder M2 and a silane coupling agent to prepare a mixture M3; 4) mixing polyurethane resin, the mixture M3, nano calcium carbonate and graphene to prepare a coating object M4; and 5) coating the surface of the braid with the coating object M4 to prepare the mildew-resistant antibacterial braid. The glass fiber and bamboo fiber are mixed, then a mixture and the bamboocharcoal powder are mixed, then the mixture is dried and ground, the above powder and the silane coupling agent are mixed, polyurethane resin, nano calcium carbonate and graphene are mixed with the above mixture to prepare the coating object, the surface of the braid is coated with the above coating object, and the obtained braid has good antibiosis and mildew-resistant performance.

The invention discloses an antibacterial and mildew-proof processing method for down feathers. The method comprises the following steps: firstly obtaining a silicon dioxide composite sol loading cinnamyl aldehyyde through a sol-gel method, mixing the silicon dioxide composite sol with acetum of chitosan to obtain down feather finishing liquid, padding the down feathers treated after degreasing, dedusting, cleaning, dehydrating and drying into the down feather finishing liquid, and conducting drying treatment. The down feathers obtained after the processing of the invention have excellent antibacterial and mildew-proof properties, are not prone to go bad and produce odor, have a lasting effect and good hygiene, and are beneficial to health of people.