51results about How to "Improved anti-mold and anti-corrosion effect" patented technology

The invention belongs to a high-permeability resin type timber enhancing modifier and an efficient immersion treatment control method. The method includes: preparing materials according to mole ratio of melamine to formaldehyde to methanol to urea being 1:2-2.5:0.5-1.0:0.2-1.0, wherein the adding amount of flexibilizer is 10-30% of the amount of the melamine. Modified melamine urea resin with good water solubility, high permeability and low molecular weight and used for immersion is prepared by adjusting raw material proportion, using a low-temperature long-time multistage synthesizing process and adding alcohol flexibilizer, polymerization inhibitor and the like. The permeation channels of timber hard in immersion are opened through a multi-time alternating breathing type immersion treatment process, the timber can be permeated evenly, and timber performance is improved greatly. The high-permeability resin type timber enhancing modifier and the efficient immersion treatment control method have the advantages that the timber hard in immersion can be permeated sufficiently, and various performance of the timber can be improved evidently; the fast-growing timber, modified by the method, of a man-made forest is high in density, high in strength, good in toughness, stable in size, flame retardant, capable of preventing mildew and corrosion, good in processing performance, environmental friendly in production, good in use effect, high in additional value, and the like.

The invention discloses a preparation method of a bamboo / wood mildew-resistant antiseptic. The preparation method comprises the following steps: weighing 60-150 parts by weight of tetraethoxysilane, sodium silicate solution or titanium tetrabutoxide at room temperature, slowly and dropwise adding tetraethoxysilane, sodium silicate solution or titanium tetrabutoxide into a mixed liquor of 40-75 parts by weight of anhydrous ethanol and 30-36 parts by weight of deionized water, and simultaneously treating the mixed liquor by water bath at 40-80 DEG C and stirring; adjusting pH to 3-4 by adding a proper amount of acid, and reacting for 30-45 min to prepare uniform sol; and slowly adding 3-12 parts by weight of an aqueous solution containing a copper compound into the sol under the condition of treating the sol by water bath at 40-80 DEG C and stirring, adding 5-15 parts by weight of an aminosilane coupling agent used as a guiding agent, fully stirring and reacting so as to prepare the bamboo / wood mildew-resistant antiseptic. The prepared bamboo / wood mildew-resistant antiseptic has excellent leach resistance and has simple components. The preparation method is simple, has relatively low production cost, is environmentally friendly and is less harmful to the health of human body.

The invention discloses a viscoelastic body anti-mildew and anticorrosion adhesive for buried pipelines, an adhesive tape and a preparation method thereof, and belongs to the technical field of pipeline anticorrosion. The viscoelastic body anti-mildew and anticorrosion adhesive is composed of the following components, by weight, 100-300 parts of a polymer viscous-elastic material, 1-10 parts of enhancing glue, 100-300 parts of a filling material, 1-10 parts of an antioxidant, 1-10 parts of a plasticizer, 1-5 parts of a mildew preventive and 0.1-0.5 part of a pigment. By adding the mildew preventive in the viscoelastic body anti-mildew and anticorrosion adhesive, erosion of mildew can effectively be prevented, and shear strength and volume resistivity of the adhesive layer can be enhanced by cooperation with other components in the formula. Thus, the adhesive's peel strength of a steel or PE material is raised, and mechanical property of the adhesive layer is improved. By the use of the adhesive, buried pipelines made of different materials can be glued well. The adhesive has a good effect of inhibiting common mildews such as aspergillus flavus, aspergillus niger, aspergillus sydowi, aspergillus terreus, aspergillus ustus, Penicilnum chysogenum, Cladosporium, cheatomium, trichoderma and the like.

The invention belongs to the field of food, and particularly relates to a low-sugar chestnut layer cake with cinnamon oil and a making method thereof. The low-sugar chestnut layer cake with the cinnamon oil is prepared from raw materials including, by weight, 0.8-2 parts of the cinnamon oil, 15-20 parts of camellia oil, 100-120 parts of flour, 50-65 parts of shelled eggs, 30-40 parts of milk, 12-20 parts of maltitol, 0.5-1 part of baking powder, 20-25 parts of red beans, 150-350 parts of purified water, 1-2 parts of salt, 50-80 parts of chestnuts, 10-15 parts of pear, 5-10 parts of papayas, 8-12 parts of wormwood and 5-7 parts of dandelions. The cinnamon oil is added in the making process of the low-sugar chestnut layer cake with the cinnamon oil and has a very strong inhibition effect on common bacteria and molds, and the made and obtained layer cake is good in anti-mold and anti-septic effect and can be preserved for a long time. The source of the raw materials of the layer cake is wide, the making process is simple, and the made layer cake is rich in nutrition and low in sugar content and tastes good.

The invention discloses a preparation method of finished product bamboo splint fully-impregnated mildew-proof anti-corrosion bamboo plates. The preparation method of the finished product bamboo splintfully-impregnated mildew-proof anti-corrosion bamboo plates has the advantages that the process is simple, unified fully-impregnated mildew-proof and anti-corrosion treatment are realized, and same mildew-proof and anti-corrosion effects on each surface of the finished product bamboo splints can be achieved after random cutting.

The invention discloses cloth for surgical operation. The cloth is of a four-layer structure, and comprises a first layer, a second layer, a third layer and a fourth layer in sequence from inside to outside, wherein the first layer is a spunlace non-woven layer which is prepared from spunlace non-woven cloth; the spunlace non-woven cloth is prepared from PPT staple fibers; the second layer is a white ramie fiber layer which is prepared from white ramie fiber cloth; the white ramie fiber cloth is mechanically modified after being degummed; the third layer is an antibacterial fiber layer which is prepared from antibacterial fiber cloth; the antibacterial fiber cloth is prepared from nylon, polycaprolactone and polyethylene; the mass ratio of nylon, polycaprolactone and polyethylene is 1:1:3; the fourth layer is a waterproof breathable layer which is a polyurethane microporous membrane. The cloth for operation is radiated by ultraviolet rays for at least 8 hours, and ultraviolet radiation is completed by a 24W ultraviolet lamp. The cloth for surgical operation is good in protection effect and low in cost.

The invention relates to a soil disinfectant for prevention and treatment of tomato early blight and a prevention and treatment method of the soil disinfectant. The soil disinfectant is prepared fromthe components of a walnut green seedcase extract (or walnut green seedcase extract slag), copper sulfate, quick lime, rice bran and dried poultry litter with the mass ratio being (10 to 20):(5 to 10):(5 to 20):(10 to 20):(2 to 8). According to the soil disinfectant, alternaria solani in soil can be killed, the N, P and K contents of the soil are increased, thus crops are protected against threatof soil-borne diseases, certain nutrition is provided for plant growth, operation is easy, safety is achieved, and residue is avoided.

The invention belongs to the technical field of bamboo processing and forest industry. Recombined bamboo is prone to mildew under a humid and hot environment condition, the use value and appearance ofthe recombined bamboo are affected, and then large-scale application and popularization of the recombined bamboo are limited. The invention provides a novel mildew-proof recombined bamboo based on pyrolytic tar-phenolic resin. The novel mildew-proof recombined bamboo based on pyrolytic tar-phenolic resin sequentially comprises a first surface layer, a first adhesive layer, a core layer, a secondadhesive layer and a second surface layer, the first surface layer is connected with the core layer through the first adhesive layer, and the second surface layer is connected with the core layer through the second adhesive layer; and the first adhesive layer is a pyrolytic tar-phenolic resin adhesive layer, and the second adhesive layer is the pyrolytic tar-phenolic resin adhesive layer. The residues of a bamboo processing enterprise are fully utilized by adopting thermal cracking refining and resin synthesis technologies and are added into the production process of the recombined bamboo to make the recombined bamboo have certain mildew-proof and antibacterial properties, so that the production cost of the recombined bamboo is reduced, and the product performance of the recombined bamboois improved.

The invention discloses an odorless waterproof putty composite material, which takes coarse whiting as a main material and is added with ash calcium, quartz sand, white cement, edible seaweed powder, redispersible latex powder, lemon grass fiber, hydroxypropyl methyl cellulose, wood fiber and the like. The invention also discloses a production method of the odorless water-resistant putty composite material, the process is simple, the odorless water-resistant putty composite material does not contain high pollutants, the produced odorless water-resistant putty composite material has strong adhesion ability, reduces the release of pollutants, improves the odorless efficiency, has good water resistance, mildew resistance and corrosion resistance, is not easy to crack, fall off and the like, is convenient to use and construct, and is suitable for industrial production. The decoration efficiency is improved, and the quality is stable.

The invention discloses a preparation method of a bamboo wood anti-mildew preservative: weighing 60-150 parts by weight of tetraethyl orthosilicate, sodium silicate solution or n-butyl titanate at room temperature, slowly dripping into 40-75 parts by weight Parts of absolute ethanol and 30-60 parts by weight of deionized water in the mixed solution, while the mixed solution is subjected to 40-80 ° C water bath, stirring; then add an appropriate amount of acid to adjust the pH to 3-4, after the reaction is carried out for 30-45min, that is A homogeneous sol is obtained; under the conditions of 40-80°C water bath and stirring of the sol, slowly add 3-12 parts by weight of an aqueous solution of a copper-containing compound into the sol, and then add 5-15 parts by weight of an aminosilane coupling agent as a guide The agent is fully stirred to make it react, and the bamboo wood anti-mildew preservative is prepared. The anti-mildew preservative for bamboo and wood prepared by the invention has excellent anti-loss performance, simple components, simple preparation method, relatively low production cost, friendly environment and little harm to human health.

The invention discloses a treatment method of a bamboo wood anti-mold preservative. The specific steps include: putting a bamboo wood sample into a dipping tank, pouring in the anti-mold anti-corrosion agent, and vacuuming, and controlling the vacuum pressure to -0.06~-0.098Mpa , the holding time is 50~150min, and then pressurize after decompression, the pressurized pressure is controlled at 2~7MPa, and the holding time is 80~240min; or put the bamboo wood sample into the impregnation tank, vacuumize, The vacuum pressure is controlled at ‑0.06~‑0.098Mpa, and the holding time is 50~150min. After the pressure is released, the anti-mildew preservative is poured in, and then pressurized. The pressurization pressure is controlled at 2~7MPa, and the holding time is 80~ 240min. The bamboo wood anti-mildew preservative of the invention has a simple treatment method, and the treated bamboo wood has high durability and excellent anti-loss performance.

The invention relates to a bio-enzyme wood and bamboo protective agent which is prepared from the following raw materials in parts by weight: 0.05-0.5 part of laccase with the activity of 0.5U / mg, 0.05-0.5 part of enzyme activator, 200-2000 parts of bactericide substrate and 8000-9800 parts of buffer solution with the concentration of 0.1mol / L and pH value of 4-6. A production method of the protective agent comprises the steps of mixing the rest three raw materials according to the proportion except the laccase, evenly stirring at the temperature of 25-30 DEG C, and feeding the laccase into the mixed solution before use; evenly stirring at the rotating speed of 200-1000r / min under the condition of 25-30 DEG C. When the bio-enzyme wood and bamboo protective agent is used, the wood, the bamboo and products of the wood and the bamboo can be treated in a way of spraying, coating, soaking, pressurizing or vacuum impregnation, and then reaction is carried out for 6-18 hours in the environment of 25-40 DEG C, so that the mould-proof and corrosion-resistant treatment for the wood and the bamboo can be completed. The bio-enzyme wood and bamboo protective agent is simple in production technology, low in cost, convenient to use, non-toxic, free from environment pollution, good in mould-proof and corrosion-resistant effects, high in flow-away resistance and degradability resistance, and lasting in effect.

The invention discloses a method for making a crab type aquatic livestock stripped specimen. The method comprises the following steps: separating the back shell of a crab from the abdomen of the crab, taking out internal organs and muscle step by step, and treating the emptied back shell and the abdomen in preservative liquid for 2 hours (injecting the preservative liquid into parts such as foot tips which are not easy to infiltrate by using an injector); after preservative treatment, filling appendages and the whole abdomen with cotton mixed with a preservative powder agent, recombining the back shell with the abdomen integrally according to an original outline, fixing with a rope, shaping, fixing the appendages with fine iron wires, and drying in air at a place with good air circulation; after air drying, sealing all joints of the shell by using white glue, and spraying a layer of varnish on the surface of the shell; and transferring the specimen into a special box, and vacuumizing or filling with nitrogen, thereby preserving the specimen for a long time. The method is good in specimen mold-proof and preservative effect and is worthy of promotion, popularization and application, and the specimen is natural in color after being fixed and can be applied to science popularization education and academic research, and can be also used as high-class artwork as original morphology, color and texture can be maintained for a long time.

The invention discloses a piece of moisture-proof highly-breathable non-woven wallpaper and a preparation method thereof. The method comprises the following steps: respectively placing waste fibers, plant fibers and chemical fibers into a first stock chest, a second stock chest and a third stock chest; adding a packing, a sizing agent and a wet strength agent; forming a non-woven wallpaper upper layer through the plant fibers; respectively placing mixed solutions in the three stock chests into fluffers to be defibered, respectively adding a retention aid into the stock chests filled with the mixed stock after defibering, uniformly stirring the mixtures, and then adopting the inclined wire processing technology to achieve layered stock intake; respectively feeding the three layers of stock into flow boxes, subjecting the stock to water filtration and retention on a forming wire to form a wet paper web, drying to obtain an upper layer of body paper, an intermediate layer of body paper and a lower layer of body paper, which are different from one another, coating paste starch among the body paper, adding a flame retardant, and then drying to obtain the moisture-proof highly-breathable non-woven wallpaper. The non-woven wallpaper has favorable air permeability, moisture resistance and fungus resistance, and is good in stability, resistant to impact, free of deformation and excellent in coverage.

The invention discloses a high-corrosion-resistance / mildew-proof bamboo scrimber manufacturing method which comprises the steps that dried defibered bamboo bundles are soaked in heat conduction oil in which asphalt is dissolved, and the defibered bamboo bundles are taken out and drained to obtain pretreated defibered bamboo bundles; mixing the asphalt powder with an antioxidant, adding the crushed bamboo fiber, and uniformly mixing to obtain an asphalt and bamboo fiber mixture; alternately paving a mixture of pretreated defibered bamboo bundles and asphalt bamboo fibers in a cold pressing mold, pressing to a preset thickness according to the length and width size of the mold and the target density of the plate blank, and fixing by using an iron plate and a screw to obtain a bamboo recombined square timber plate blank; and the cold pressing die bearing the bamboo recombined square timber plate blank is placed on a sample frame, heating, cooling, leveling, permeating and gluing treatment is carried out, the sample frame rotates regularly during the period, unloading is carried out after 5-10 times of circulation, finally, surface treatment is carried out, and the high-corrosion-resistance / mildew-proof bamboo recombined timber is obtained. The prepared bamboo scrimber has the advantages of being high in hydrophobicity, high in corrosion resistance / mildew resistance, resistant to loss of functional components and the like, and is suitable for outdoor garden landscape engineering.

The invention discloses a viscoelastic body anti-mildew and anticorrosion adhesive for buried pipelines, an adhesive tape and a preparation method thereof, and belongs to the technical field of pipeline anticorrosion. The viscoelastic body anti-mildew and anticorrosion adhesive is composed of the following components, by weight, 100-300 parts of a polymer viscous-elastic material, 1-10 parts of enhancing glue, 100-300 parts of a filling material, 1-10 parts of an antioxidant, 1-10 parts of a plasticizer, 1-5 parts of a mildew preventive and 0.1-0.5 part of a pigment. By adding the mildew preventive in the viscoelastic body anti-mildew and anticorrosion adhesive, erosion of mildew can effectively be prevented, and shear strength and volume resistivity of the adhesive layer can be enhanced by cooperation with other components in the formula. Thus, the adhesive's peel strength of a steel or PE material is raised, and mechanical property of the adhesive layer is improved. By the use of the adhesive, buried pipelines made of different materials can be glued well. The adhesive has a good effect of inhibiting common mildews such as aspergillus flavus, aspergillus niger, aspergillus sydowi, aspergillus terreus, aspergillus ustus, Penicilnum chysogenum, Cladosporium, cheatomium, trichoderma and the like.