77results about How to "Strong mildew resistance" patented technology

The invention discloses a method for synthesizing super absorbent resin containing phosphorus and nitrogen by the graft copolymerization reaction of potato starch organic phosphate, which comprises the following main processes: carrying out neutralization reaction between a sodium hydroxide solution and acrylic acid from which polymerization inhibitor is removed under the cooling of ice-water bath; respectively mixing potato starch organic phosphate and acrylamide with de-ionized water to obtain a potato starch organic phosphate solution and an acrylamide solution; mixing the prepared acrylicacid and the sodium salt solution with the potato starch organic phosphate solution and the acrylamide solution; adding an evocating agent persulfate; stirring the mixture for 0.5-1.0 hour to ensure that the mixture is uniformly mixed; heating the mixture by water bath and stirring under the protection of nitrogen; stopping stirring when reaching certain temperature; keeping the temperature for 1-2 hours in boiling water bath; stopping supplying nitrogen, taking the product out, and cutting the product into small pieces; drying the small pieces in a baking oven to keep constant weight, and crashing to obtain the super absorbent resin containing phosphorus and nitrogen. Compared with the similar products, the water absorption of the super absorbent resin is greatly enhanced; the super absorbent resin contains the nutrition elements of nitrogen and phosphorus, does not need pasting in comparison with the process of directly using starch and greatly improves the preparation process. The super absorbent resin has favorable development prospect in agriculture management, such as desert greening, water conservation, soil improvement, seedling transplantation and the like.

The invention relates to a preparation method of a non-toxic and efficient plasticizer triethyl citrate. The non-toxic and efficient plasticizer triethyl citrate is prepared via esterification, polymerization and neutralization of such raw materials as citric acid, ethanol, p-toluenesulfonic acid, phosphorous acid and tetraethyl titanate. The weight percentages of the raw materials are: 55-63 percent of citric acid; 56-63 percent of ethanol; 1.0-2.0 percent of p-toluenesulfonic acid, 0.2-0.8 percent of phosphorous acid and 0.2-0.8 percent of tetraethyl titanate. The preparation method needs a simple process, stable reaction and mild conditions, and the process can be easily controlled.

A wheat bran medium for culturing fruit bat fly in laboratory comprises 10g of wheat bran, 10 g of brown sugar, 1.2 g of agar, 1.2g of yeast and 0.15g of benzoic acid. A preparation method of the medium comprises steps of: dissolving the components in 100 ml of tap water and carrying out an autoclaving; taking glass test tube (25*200 mm) treated with dry heat sterilization (120 DEG C for 2h); subpackaging 20ml of medium into each test tube; cooling to a room temperature until the medium being solid gel; and putting fruit bat fly in the medium, wherein a test tube plug is absorbent cotton treated with dry heat sterilization. The easily prepared medium has low costs, good production effect and strong mildewing resistance, and is convenient for genetics and development biology researches on fruit bat fly.

The invention discloses a down feather mildew-proof nursing agent. The down feather mildew-proof nursing agent is capable of removing stains on down feather effectively, is high in mildew resistance, and possesses excellent adjusting and nursing effects on down feather; original elasticity and bulkiness of down feather are recovered; and original heat retention performance is maintained.

The invention discloses a method for preparing super absorbent resin with a cross-linked structure from potato starch phosphate graft co-polymeric acrylic acid and a sodium salt thereof. The method comprises the following main technological processes of: under ice water bath cooling, performing neutralization reaction between a sodium hydroxide solution and acrylic acid used for removing a polymerization inhibitor so as to prepare the acrylic acid and a sodium salt solution of the acrylic acid; mixing the prepared acrylic acid and the sodium salt solution of the acrylic acid with potato starch phosphate; adding an initiator of persulfate, a crosslinking agent of N,N'-methylene bi-acrylamide so that the mixture is mixed evenly under stirring; then under the protection of nitrogen gas, heating the mixture in a water bath and stirring the mixture so that the potato starch phosphate performs graft copolymerization with the acrylic acid and the sodium salt solution of the acrylic acid; stopping stirring after reaching a certain temperature, performing heat preservation reactions, and then stopping introducing the nitrogen gas; and taking out a product, cutting the product into small pieces, drying the small pieces in a drying oven to have constant weights, and crushing the small pieces to obtain the super absorbent resin.

The invention discloses a sterilizing and mould-proofing down feather nursing agent. The nursing agent is characterized by being prepared from the following raw materials in parts by weight: 1-2 parts of di-n-octyl-4-iothiazolin-3-ketone, 0.1-0.2 part of silver nitrate, 1-2 parts of dimethyl silicon oil, 2-3 parts of carboxymethyl cellulose, 1-2 parts of polyvinylpyrrolidone, 1-2 parts of polyacrylic acid, 1-2 parts of dioctyl ester, 2-3 parts of dibutyl phthalate, 1-1.2 parts of sodium dodecyl benzene sulfonate, 2-3 parts of a silane coupling agent KH550, 3-4 parts of propylene glycol, 1-2 parts of tert-butyl hydroperoxide, 3-4 parts of a softening agent and 240 parts of water. The nursing agent is relatively strong in sterilizing function as a bacteriostat, has the effects of diminishing inflammation and preventing odor and mould, and is free from irritation to the skin; an antibacterial ratio of obtained down feather on staphylococcus aureus is 99%, and can be kept on 92% after the down feather is washed for 10 times.

The invention relates to nanometer fluorocarbon exterior wall heat insulation paint, which is prepared from ingredients according to the following weight proportion: the ratio of acrylics to fluorocarbon resin to nanometer SiO2 to titanium pigment to silicon acrylate latex to calcium carbonate to foam suppressor is 100-220 to 100-200 to 20-50 to 10-18 to 80-150 to 20-50 to 10-20. The invention makes the structure and the chemical composition part of transparent paint regulated to the most scientific and most reasonable state, and adds a few nanometer grade materials, so that the exterior wall paint is non-toxic and odorless, and accords with the requirement of environmental protection; a paint film resists water, has quite strong performances of acid and alkali resistance and mildew resistance; and the paint film can cover fine cracks. The nanometer fluorocarbon exterior wall heat insulation paint has the advantages of strong adhesive force, good heat insulation performance and low cost.

The invention relates to a method for manufacturing a bath curtain. The conventional method for manufacturing the bath curtain is complex and has high production cost, and the manufactured bath curtain has poor performance. The method is characterized in that: the bath curtain consists of pigment and polyvinyl chloride (PVC) resin powder, dioctyl phthalate (DOP), PVC stabilizer, epoxy soybean oiland calcium carbonate in a weight ratio of 60: (18-22): 3: 2.4: 39. The method comprises the following steps of: a, mixing the PVC resin powder, the DOP, the PVC stabilizer, the epoxy soybean oil andthe calcium carbonate, and stirring at the temperature of between 110 and 120 DEG C to obtain a mixture; b, adding the pigment into the mixture, and kneading the pigment and the mixture to obtain a soft solid; and c, kneading and plasticizing the soft solid, and performing impurity filtration on the soft solid by using three layers of filter screens, wherein the mesh number of the filter screens of the first layer and the third layer in the three layers of filter screens is 20 meshes, and the mesh number of the filter screen of the second layer is 60 or 100 or 120 meshes. The method is simplein operation, easy in manufacture and low in production cost.

The invention discloses a method for mildew-proof treatment of bamboos and belongs to the technical field of bamboo processing. According to the method, the raw materials comprising, by weight, 7-9 parts of mildew-proof liquid, 73-82 parts of water and 11-18 parts of quick lime are adopted. The method includes the following steps that a, the quick lime is placed in a pool, the mildew-proof liquid and the water are added into the pool afterwards and evenly stirred, and then a bamboo product is placed in the pool to be soaked for 65-70 hours; b, the bamboo product is taken out of the pool and placed in a shade place to be air-dried for 68-72 hours; and c, the bamboo product air-dried in the step b is placed in a baking oven to be baked at the temperature of 72-80 DEG C for 20-23 minutes, so that a finished product is obtained. By means of the method, the problem that existing bamboo products are prone to mildew can be solved.

The invention discloses an anti-mildew PU synthetic leather which is produced from the following raw materials in parts by weight: 80-100 parts of polyurethane resin, 80-100 parts of dimethylformamide, 1-2 parts of soluble starch, 1-2 parts of galactomannan, 1-2 parts of peanut oil, 1-2 parts of linseed oil, 1-2 parts of muyu-stone powder, 0.5-1 part of Turkey red oil, 0.1-0.3 part of polylysine, 0.1-0.2 part of sodium lauroyl sarcosinate, 0.2-0.4 part of star anise oil, 5-10 parts of sodium carboxymethylcellulose, 0.5-1 part of aluminum chloride, 4-8 parts of mill base and 6-8 parts of a performance additive. The anti-mildew PU synthetic leather disclosed by the invention has good water absorbing and ventilating properties, simulated appearance, soft hand feel, and mildew preventing property.

The invention discloses a novel environmental-friendly anti-mold flame-retardant polyvinyl chloride protection layer material which is characterized by being prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 2-8 parts of a plasticizer a, 30-55 parts of a plasticizer b, 5-10 parts of a flame retardant a, 5-10 parts of a flame retardant b, 10-40 parts of packing a, 20-30 parts of packing b, 2-10 parts of a thermal stabilizer, 0.5-2 parts of a lubricant, 1-3 parts of a processing modifier, 0.2-0.4 part of an anti-mold agent and 5-10 parts of a toughening agent, wherein the anti-mold agent is an antibacterial anti-mold agent which is compounded from an inorganic porous mineral material loaded with inorganic antibacterial factors and organic anti-mold factors. Compared with a common PVC flame-retardant protection layer material, the novel environmental-friendly anti-mold flame-retardant polyvinyl chloride protection layer material disclosed by the invention is very good in anti-mold property, and the service life of the protection layer material is greatly prolonged.

The invention relates to the technical field of sugarcane straw feed processing and particularly relates to a method of preparing a granular feed for beef cattle by means of straw or leaf tails of sugarcane. The granular feed for beef cattle is composed of, by weight, 61-80% of the straw or leaf tails of sugarcane, 5-8% of corn flour, 3.7-7% of soybean meal, 4-8% of distiller grain powder, 3-5% of yeast powder, 2-5% of sucrose molasses, 2-5% of a premix, 0.2-0.7% of rumen protected methionine, and 0.1-0.3% of peptone. The preparation method includes the steps of: weighing the raw materials of the compound feed according to the weight part ratio, successively performing straw pretreatment, raw material fermentation treatment and pretreatment of a mixed premix, and granulating and packaging the product to obtain the granular feed for beef cattle. The granular feed for beef cattle has low cost, high economic benefit, balanced and comprehensive nutritional value, high cellulose content, good palatability, proper energy content and high digestion rate, and is easy to store, transport and is free of deterioration.

The invention discloses bactericidal mildewproof down composite fibers prepared from the following raw materials in parts by weight: 11-14 parts of goose down superfine powder, 15-20 parts of puffed goose feather powder, 6-9 parts of kapok fibers, 8-12 parts of coconut palm fibers, 17-19 parts of sugarcane skins, 3-5 parts of bentonite, 5-8 parts of hollow vitrified micro bubbles, 1-3 parts of Chinese thorowax roots, 2-4 parts of white peony roots, 0.1-0.3 part of aluminum sulfate, 0.04-0.08 part of zinc oxide, 2.3-4.6 parts of polyacrylate, 0.05-0.08 part of sodium dodecylbenzene sulfonate, 1.2-3.5 parts of nano silicon dioxide, 100-120 parts of 1-butyl-3-methylimidazol acetate, 110-130 parts of 1-butyl-3-methylimidazol dibutylphosphoric acid ester, 1-3 parts of an auxiliary agent and an appropriate amount of water. The down composite fibers prepared by a method disclosed by the invention have relatively strong bacteriostatic, bactericidal, inflammation diminishing, deodorant and mildewproof effects, are irritation-free to skin, are lightweight and warm-keeping, and are deeply loved by consumers.

The invention provides a slow release type mildew-proof molecular sieve as well as a mildew-proof drying agent and a preparation method thereof. The slow release type mildew-proof molecular sieve is prepared from the following components: a mildew-proof agent, a carrier, a slow releasing agent, a plasticizer and a molecular sieve, wherein the mildew-proof agent is selected from one or two of a fumigation agent and mustard oil. The mildew-proof drying agent is prepared from the following components: clay type minerals, a binding agent and the slow release type mildew-proof molecular sieve. The preparation method of the mildew-proof drying agent comprises the following step of uniformly mixing and stirring the clay type minerals, the binding agent and the slow release type mildew-proof molecular sieve. The mildew-proof drying agent provided by the invention has the advantages of good drying effect, high mildew-proof capability, lasting effect, wide application area, wide application range, convenience for utilization, safety and no toxin and the like.

The invention discloses a non-woven cloth which comprises a PE film, a first damp-proof layer, a first mildew-proof layer, a non-woven cloth layer, a second mildew-proof layer and a second damp-proof layer. The invention further discloses a non-woven cloth bag made of the non-woven cloth. The non-woven cloth bag has the efficient mildew-proof and damp-proof functions, and the effects of preventing mildew, preventing damp and achieving protection are achieved. The non-woven cloth has the advantages of being simple in making technology, high and lasting in mildew-proof capacity, capable of actively preventing the mildew, good in damp-proof effect, wide in application range and easy and rapid to use. The non-woven cloth bag can be used for long-distance ocean transportation, long-distance land transportation and finished product and semi-finished product warehouse storage of leather products, textiles, bamboo and wood products and the like.

The invention discloses fungus-resistant-treated coatings of printed wrapping paper. The fungus-resistant-treated coatings of the printed wrapping paper are produced from the following raw materials of, in parts by weight, 50-60 parts of waterborne polyurethane resin, 0.8-1 part of dispersion agent, 0.5-0.6 part of defoaming agent, 0.7-0.9 part of fungus-resistant agent, 6-8 parts of antibacterialcompound and 30-40 parts of deionized water. The invention furthermore discloses a production method of the fungus-resistant-treated coatings of the printed wrapping paper. According to the fungus-resistant-treated coatings of the printed wrapping paper and the production method of the fungus-resistant-treated coatings of printed wrapping paper, by conducting soaking treatment on the printed wrapping paper at first, the wrapping paper subjected to soaking treatment can slowly release silver ions, so that two surfaces of the printed wrapping paper have certain fungus-resistant performance respectively; and then each surface of the printed wrapping paper is covered with a layer of fungus-resistant paint, the compound fungus-resistant agent which is high in safety, environmentally friendly and high in fungus-resistant capability is added into the fungus-resistant paint, and meanwhile, the antibacterial compound is added, so that the coatings have high antibacterial capability, and the produced fungus-resistant-treated coatings have high fungus-resistant capability and antibacterial capability, and have a good protective effect on the printed wrapping paper.

The invention provides an active material for removing formaldehyde and peculiar smell and a preparation method thereof. The preparation method comprises the following steps of: S1, modifying diatomite powder; S2, preparing a solution A; S3, preparing a solution B; S4, preparing Znx/Agy/Niz-TiO2-l-diatomite powder; S5, preparing 3-hydroxybutenoic acid-2-methacrylic acid diethyl ester; S6, preparing a PAA emulsion; and S7, preparing Znx/Agy/Niz-TiO2-l-diatomite- g-PAA. The preparation method is simple, and the prepared Znx/Agy/Niz-TiO2-l-diatomite- g-PAA powder material has good effects of removing formaldehyde and peculiar smell, is fine and smooth, can be added as an additive into concrete, paint and other materials, and has a wide application range.