748results about How to "Mildew proof" patented technology

The present invention relates to high weather resistant water-thinned wall paint, and especially relates to environment friendly high weather resistant water emulsion paint and its preparation process. The paint consists of water emulsion, netted skeleton material, nano functional material, hydrophilic and hydrophobic raedical containing material, solid stuffing and assistant. The preparation principle includes basing on emulsion with excellent performance, constructing netted structure, introduction nano material with UV resisting, photocatalytic and high shielding performance, introducing assistant with both hydrophilic and hydrophobic characteristic to form compact and high-adhesion coating with integrated high weater resistance.

The invention discloses wood wax oil for protecting wood and a method for preparing the same. The raw materials of the wood wax oil comprise vegetable oil and wax, and the wood wax oil is characterized in that the compositions of the raw materials of the wood wax oil comprise vegetable oil, animal or vegetable wax, ferric oxide and a catalyst. The wood wax oil and the preparing process can protect the wood completely, can keep the elasticity and environmental protection performance of wood, can prevent the wood from cracking effectively and enable the wood to have various comprehensive properties such as drying, as well as corrosion, insects, moisture, mildew, termite, anti-cracking, and fire-retardant resistance, and the like, and meet all requirements of environmental protection, and does not to release any harmful substance during long-term use. The preparing process of the wood wax oil is simple and no organic solvent is needed to be added, thereby avoiding the incorporation of harmful substances.

The invention discloses a stone papermaking method, which is characterized by comprising the following steps: adding 2 to 2.5 weight percent of auxiliary agent such as stearic acid and the like into 70 to 80 percent of natural inorganic ore powder such as heavy calcium, light calcium, talcpowder, titanium white powder and the like serving as main raw materials to modify the raw materials, adding 18 to 11.5 weight percent of polyethylene and 9 to 5 weight percent of polypropylene into the raw materials, and mixing, plasticizing and kneading the mixture to form a bulk material; and performing double-fold feed on the bulk material, pressing the bulk material into a paper film extruder, injecting 0.5 weight percent of butane and 0.5 weight percent of nucleating agent into the extruder, mixing and heating the mixture, extruding a paper film, then foaming, blowing, drawing, cooling and shaping the paper film to form a paper film base material, and forming a stone paper finished product through corona, coating, drying and finishing. The gram weight of stone paper is reduced by physical micro-foaming technology. The method has the advantages of simple manufacturing process, low cost, dry production, use of few water circulating cooling machines, no three-waste discharge and pollution avoidance.

The invention belongs to the technical field of preparation of nano materials, and in particular relates to a super hydrophobic self-cleaning coating and a preparation method thereof. The method comprises the following steps of: dispersing hydrophobic silicon resin and hydrophilic nano SiO2 particles into an organic solvent to obtain dispersion; and spraying the dispersion on a clean and dry glass sheet substrate, drying, and thus obtaining the super hydrophobic self-cleaning coating. The coating has a hierarchical structure compounded by using organic and inorganic components, namely the hydrophobic silicon resin and the hydrophilic nano SiO2 particles, and the structure has compound micro-nano surface topography; and the compound micro-nano hierarchical structure is constructed by spheroid-like protrusions with the diameters of 1 to 10 microns and agglomerate spheres with the diameters of 20 to 100 nanometers on the surface of the coating, wherein the spheroid-like protrusions are constructed by agglomerate spheres with the diameters of 20 to 100 nanometers. The contact angle between the coating and water is 140 to 155 degrees, and the rolling angles of water drops on the surface of the coating are less than 2 degrees.

The invention provides an antiseptic viscose fiber. It is spinned by the silver antiseptic agent and the cellulose sulphonic acid ester. The silver antiseptic agent is 0.5-5% weight of the cellulose. The product has the good antisepsis and the detergent resistance.

The invention belongs to thermosetting epoxy powder insulation anticorrosion paint. It consists of a primer and a top coat, which together form an electrically insulating and anti-corrosion coating. The primer is composed of epoxy resin, curing agent and auxiliary agent; the surface coating is composed of epoxy resin, curing agent, filler and other auxiliary agents; both the primer and the surface coating are made by melt extrusion mixing method Powdered product. The primer coating does not contain or contains less filler, so the adhesion of the formed primer coating is not affected; the surface coating bears the main functions of electrical insulation and anti-corrosion, so the coating of the present invention has strong adhesion, excellent electrical insulation performance, and has Anti-corrosion, anti-rust, anti-mildew, heat-resistant, wear-resistant and other functions, and has the characteristics of low cost.

The present invention provides a fiberboard with formaldehyde self-absorbing function and a manufacturing method thereof. The fiberboard of the invention adopts the wood fiber, aldehyde adhesive and active carbon as main raw materials. The dosage of the adhesive is 9%-12% of that of the wood fiber mass, and the dosage of the active carbon is 2%-30% of that of the wood fiber mass. The invention provides the novel fiberboard which is added with a certain amount of active carbon component with the absorbing function in the manufacturing process of the board so that the fiberboard has the function of free formaldehyde (harmful gas) self-absorbing function in the board for a long time. The releasing of the formaldehyde in the board can be reduced for reducing the formaldehyde pollution to the environment. Simultaneously the fiberboard has the functions of corrosion resistance, moisture resistance, deodorization and fungus resistance. Furthermore the fiberboard has the advantages of high absorbing efficiency, excellent absorbing effect, low cost, no toxicity, no side effect, etc.

The invention relates to environmental protection paint, in particular to nano shell powder ecological functional flatly painted coating. The coating is prepared from shell powder (calcined), ash-calcium, kaolin, heavy calcium carbonate, hydrated magnesium silicate, titanium dioxide, vinyl acetate, hydroxyethyl cellulose, polyving akohol, polydimethylsiloxane, a water reducer and a defoamer. The coating solves the problem that indoor ornament or decoration paint is not environment-friendly. The coating has the characteristics that the coating is antifungal, purifies the air, prevents mildew, adopts a spiral pore structure, is 3.0mm in press coating thickness and high in glossiness, does not has obvious color aberration, is resistant to shock, abrasion, water, high and low temperature weather and aging, and ensures that the service life of a product reaches more than 20 years.

The invention discloses a plant fiber reinforced inorganic light composite which is mainly prepared from magnesium chloride hexahydrate, magnesium sulfate heptahydrate, light calcined magnesia, water, a water reducer, a reinforcing agent, reinforcing fibers, a foaming agent, an exciting agent, a stabilizer and adjusting admixture. The preparation method comprises steps as follows: magnesium chloride hexahydrate, magnesium sulfate heptahydrate and water are mixed to be made into a saline solution; light calcined magnesia, the water reducer and the reinforcing agent are added to the saline solution, the mixture is stirred at a constant speed, and an inorganic sizing material is obtained; the reinforcing fibers are added to the inorganic sizing material and stirred at a constant speed, the adjusting admixture, the stabilizer and the exciting agent are dropwise added slowly, finally, the foaming agent is added quickly, the mixture is stirred at a high speed, and a foamed inorganic sizing material is obtained; the foamed inorganic sizing material is poured into a die, left to stand for foaming, removed from the die and maintained, and the plant fiber reinforced inorganic light composite is obtained. The composite has the advantages of high pressure resistance, high bending resistance, low density, no formaldehyde, aging resistance, mildew resistance, termite resistance, moisture-proof performance, no deformation, sound and heat insulation, good heat preservation and the like.

The invention discloses a kapok spunlace non-woven fabric, a preparation method thereof and a product of the kapok spunlace non-woven fabric. The preparation method of the kapok spunlace non-woven fabric comprises the following steps: material preparation: independently preparing kapok fibers, or uniformly mixing the kapok fibers with one or more of other natural fibers and chemical fibers to obtain mixed fibers; blowing: removing impurities from the prepared kapok fibers or mixed fibers, and sieving out foreign matters; carding: opening the blown kapok fibers or mixed fibers into single fibers at first, and then smoothly combing the single fibers; carrying out lapping; carrying out spunlace; carrying out bleaching; carrying out drying; and rolling a finished product or obtaining a product. Because the kapok fibers have characteristics of lightness and softness, breathability, high wet permeability, high degree of hollowness, anti-bacterial property, mothproof property and mildew proofproperty. The kapok spunlace non-woven fabric is prepared by the spunlace non-woven process, chemical auxiliaries are not added in a whole fabric forming process, and therefore, the prepared kapok spunlace non-woven fabric has the advantages of warming and bacteria inhibition, lightness, softness and comfort, dryness and breathability and the like.

The invention relates to a preparation method of water hyacinth rattan. The preparation method comprises the following steps of: collecting stalk of water hyacinth, drying the stalk of the water hyacinth for 48-72 hours in air by using a natural air drying method, and subsequently drying the stalk by using a heating and drying method till the water content of the stalk is 10-15%, wherein the temperature of the heating and drying environment is 75-85 DEG C and the humidity is 30-50% in the heating and drying method. With the combination of the natural air drying method and the heating and drying method, the drying time is shortened on the premise that the flexibility of the water hyacinth rattan is not affected, so that the production efficiency of the water hyacinth rattan is greatly improved.

The invention discloses transparent plastic with antibacterial and mouldproof capacity and a preparing method thereof and belongs to the field of functional polymer materials and inorganic-organic nanocomposite. The transparent plastic is prepared from, by mass, 85-97% of transparent resin, 1-10% of antibacterial agent, 1-10% of mouldproof agent, 0.1-1.0% of complex antioxidant and 0.1-1.0% of dispersing agent. The preparing method comprises the steps of 1, conducting physical mixing according to mass percentage; 2, adding evenly mixed raw materials into a twin-screw extruder for melting granulation. According to the transparent plastic, light transmittance is larger than 85%, escherichia coli inhibition rate is larger than 99%, staphylococcus aureus inhibition rate is larger than 99%, and fungi-growth grade is 0. Furthermore, the preparing method is simple, implementation is convenient, and production cost is low.

The invention relates to high-strength magnesian coal ash clinker-free cement, which comprises the following raw materials in part by weight: 100 parts of coal ash, 30 to 40 parts of light roasting magnesium oxide, 10 to 15 parts of magnesium sulfate heptahydrate, 2 to 4 parts of calcium sulfate, ferrous sulfate or aluminum sulfate, 0.5 to 1.0 part of phosphoric acid and 50 to 100 parts of water. The high-strength magnesian coal ash clinker-free cement has the advantages that a large amount of coal ash is utilized, and produced wastes are used as production raw materials and are put into use, so that environmental pollution is reduced; and the product is long in service life and high in board strength, and is widely applied to wallboards, suspended ceilings, decorative materials and furniture.

The invention relates to a waterproof paint for architecture and building materials, especially to a water-base paint which is widely applied to brushing objects such as boarded floor, toy for children, corrugated paper, inner wall, outer wall, woodwork, damp proofing, cement, leak stopping, metal product, etc. The prescription of water-base paint totally differs from the traditional one, comprising: adding raw materials such as glycerin, xylitol, etc., except crylic acid emulsion, which are food-grade raw materials substantially, nontoxic and environmental-friendly absolutely. The water-base paint can be constructed directly, bring handsome looking and relieving labor strength of constructors. Furthermore, the water-base paint does not damage health of constructors, with multiple advantages of current waterproof paints.

The invention provides a sterilization processing method of rattan plaited article materials, and belongs to the technical field of rattan plaited article production. The sterilization processing method comprises following steps: rattan is harvested, and each 10 to 20 strips are bonded with a consistent direction so as to obtain one bouquet of rattan; the bonded rattan bouquets are immersed in a processing solution with the end tip of rattan upward, and are exposed to sunlight for 3 to 6 h; leaves of the rattan bouquets are removed, the rattan bouquets are dried with hot air, wherein at a first stage, the rattan bouquets are dried to medium dry, and are subjected to moisture retention for 30 to 50 min for a first time with softening steam, at a second stage, the rattan bouquets are dried to be sixty percent dry, and are subjected to moisture retention for 1 to 3 h for a second time with softening steam, and at a third stage, the rattan bouquets are dried to be eighty percent dry; and the processed rattan bouquets are stored at shade places for natural air drying. According to the sterilization processing method, the fresh rattan is processed firstly; the sterilization processing method is simple, is capable of realizing sterilization, insect prevention, moth prevention, and mildew and rot prevention, and prolonging service life of rattan plaited articles; the obtained steam used for softening is capable of realizing rattan softening, and volatile substances contained by the steam is capable of realizing sterilization and fragrance improvement of rattan.

The invention discloses an inorganic-organic hybrid super-hydrophilic self-cleaning coating and a production method thereof. The inorganic-organic hybrid super-hydrophilic self-cleaning coating is prepared from the following raw materials in percentage by weight: 60-90% of a solvent, 5-20% of a compound binder, 3-10% of a curing agent and 1-10% of a functional material. By adopting an inorganic-organic hybrid process, the inorganic-organic hybrid super-hydrophilic self-cleaning coating which is excellent in various performances such as hydrophilicity, dust resistance, pollution prevention, mildew resistance, weather resistance and durability is prepared. The coating is coated on the surface of a base material to form a concave-convex film of a micro-nano structure, so that the surface of the base material obtains the functions of hydrophilicity, dust resistance, pollution prevention, self-cleaning property and the like. The coating disclosed by the invention is suitable for large-area construction, has the advantages of high film forming hardness, high self-cleaning property, good wear resistance and good durability, and can be applied to surfaces of building external walls, glass, tiles, marbles, artificial stones, plastic, aluminum sheets, displays, walls and the like.

The present invention discloses a preparation method of titanium dioxide photocatalytic membrane loaged on metal surface, its main technological process includes: in the electrophoretic solution containing a certain content of titanium dioxide sol or containing binary or multi-component compounded oxide sol of titanium dioxide using the pretreated metal base body as cathode, using graphite, aluminium, stainless steel and inert metal as anode, utilizing electrophoretic mode to form a layer of titanium dioxide membrane on the metal surface under the condition of a certain voltage, drying and calcining to make the titanium dioxide membrane be fixed on the metal surface. Said membrane is high in adhesive strength, and has high photocatalytic activity.