62results about How to "Good insect repellent" patented technology

The invention discloses a wood preservative. The preservative comprises the following components, by weight, borate 15-45%, quaternary ammonium salt 6-15%, chlorothalonil 5-10%, cosolvent 4-10% and the balance solvent, wherein the solvent is one or a plurality of dimethylbenzene, glycerol and water, and the cosolvent is polyethylene glycol, urea formaldehyde preshrinking liquid or ethylene. The wood preservative is colorless, odorless, safe and environment-protection, simultaneously has the functions of corrosion prevention, mold prevention, insect prevention and antitarnish, and can rest assured use indoor and outdoor.

The invention relates to a photocatalystc composite floor board, and belongs to the field of a functional environment-friendly healthy floorboard. The formaldehyde emission content of the composite floorboard is less than 0.3mg/L; the antibacterial rate is higher than or equal to 90 percent; the surface wear-resistant coefficient is less than or equal to 0.08g/100r; a substrate layer is an oriented shaving board layer; the oriented shaving board layer comprises an upper surface layer and a lower surface layer which are formed by glue mixing wood shavings in longitudinal arrangement according to the fiber direction and a core layer shaving layer formed by glue mixing wood shavings in transverse arrangement according to the fiber direction; and a decoration layer, a wear-resistant primer layer and a photocatalystc antibacterial paint decoration layer are sequentially arranged on the substrate layer. A production process of the photocatalystc composite floor board comprises the steps of shaving board layer sorting, glue preparation, glue distribution and assembling for the first time, cold pressing for the first time, core trimming, glue distribution and assembling for the second time, cold pressing for the second time, hot pressing for the first time, fixed-thickness sanding, edge cutting, puttying, polishing, sorting, reconditioning, glue distribution and veneering, cold pressing for the third time, hot pressing for the second time, multi-blade sawing, sanding, double-end milling, priming, finish paint preparing and finish paint painting. The composite floorboard has the advantages of good antibacterial function, high strength, good wear-resistant performance and comfortable foot feeling.

The present invention discloses a bio-organic fertilizer produced in a quick fermentation manner by adopting crop stalks as a main material and a preparation method for the bio-organic fertilizer, and relates to the technical field of agricultural fertilizers. The bio-organic fertilizer is prepared by mixing and granulation of the following materials in parts by weight: 40-60 parts of crop stalks, 20-30 parts of live stock excrement, 10-20 parts of humic acid, 0.4-0.6 part of microbe fungus, 2-6 parts of ammonium chloride, 1-3 parts of potassium chloride, 2-4 parts of calcium superphosphate, and 0.4-0.6 part of medium and microelements. The bio-organic fertilizer has the advantages of being relatively low in production cost, relatively high in biological activity, high in fertilizing value, and broad in raw material sources, can be taken as paddy rice fertilizers, upland crop, vegetable, amphisarca and fruit tree fertilizers, and flower fertilizers.

The invention relates to a photocatalyst flame-retardant antibacterial floor and belongs to the field of functional environment-friendly health floors. The floor has a formaldehyde release limit less than 0.3 mg/L, an antibacterial rate not less than 90%, and surface wear resistance not less than 0.08 g/100r. A base layer is a flame-retardant directional chipboard layer, comprising upper and lower surface layers of glue-mixed shavings, a core shaving layer, a first flame-retardant layer and a second flame-retardant layer; a decorative layer, a wear-resistant undercoat layer and a photocatalyst antibacterial oil facing layer are disposed in order above the base layer; a balance layer is disposed below the base layer. A production process of the floor comprises chipboard layer regulating; glue mixing; first gluing and assembly; first cold pressing; core dressing; second gluing and assembly; second cold pressing; first hot pressing; fixed thickness sanding; edging; puttying; polishing; sorting; curing; gluing and facing; third cold pressing; second hot pressing; multi-piece sawing; sanding; double end milling; undercoating; top coat blending; top-coating. The composite floor has high antibacterial performance, high strength, good wear resistance and good foot comfort.

The invention provides an insect-proof odor-resistant floor drain, and relates to the field of drainage appliances. The insect-proof odor-resistant floor drain comprises a cavity, wherein the outer wall of the cavity is fixedly welded with a shell body, a fixed ring is fixedly welded at the inner wall of the shell body and located above the cavity, a filter plate is embedded in the fixed ring, thetop plane of the filter plate is flush with the end of the shell body, the top of the filter plate is provided with a water leakage hole, and the bottom of the cavity is communicated with a drainagepipe. The insect-proof odor-resistant floor drain has the advantages that an arc-shaped guide plate is arranged to introduce water flowing under the filter plate to a baffle plate at the left side ofa bearing, and the baffle plate is oblique under a sealed state; by introducing the water flowing under the filter plate to the baffle plate at the left side of the bearing, when the water gravity borne by the baffle plate is larger than the magnetic force of a first sealing permanent magnet block and a second sealing permanent magnet block, the baffle plate can rotate anticlockwise around a connecting shaft, so that the anticlockwise rotation of the baffle plate can form a gap between the baffle plate and the cavity to facilitate the discharge of water in the cavity.

The invention discloses a wood surface corrosion control method. The method comprises the following steps: (1) drying the wood until the water content is about 18%; (2) injecting the preservatives, namely 2-4 parts of propylene glycol, 30-48 parts of propene carbonate, 1-2.3 part of DCOIT, 10-25 parts of p-chloroxylenol, 1-4 parts of alkyl dimethyl benzyl ammonium chloride, 1-2.8 part of sodium chloride, 1-3 parts of sodium chlorate, 1-3 parts of potassium bromide, 5-8 parts of bronopol, 35-46 parts of dithiocyano-methane and 108-116 parts of fatty alcohol polyvinyl chloride ether in part by weight, into the wood under the vacuum high pressure condition; (3) performing high-temperature qualitative treatment for 6-12 hours on the wood after the preservatives are added; and (4) carrying out air drying on the high-temperature qualitatively treated wood to obtain the wood subjected to preservative treatment. The corrosion control method disclosed by the invention is good in corrosion control effect, the preservatives can permeate into the part being 1-2mm of the wood surface, and good mold prevention and corrosion resistance are obtained; the wood is strong in waterproof durability, is loss resistant and long in residual action, the raw materials is easily available, and the cost can be saved.

The invention discloses a mothproof and waterproof coating for a garden wooden bridge and a preparation method thereof. The coating comprises the following components: polyacrylamide, polyurethane, graphene, superfine talc powder, nano silicon dioxide, nano aluminum oxide, white carbon black, high-viscosity attapulgite clay, pyrethrum, radix angelicae, cortex cinnamomi, fructus quisqualis, radix euphorbiae lantu, anise, and radix sanguisorbae. The preparation method comprises: extracting the traditional Chinese medicine components respectively to obtain an extracting solution, and making the extracting solution into freeze-dried powder; adding polyacrylamide and a polyurethane aqueous solution into a reaction kettle, adding a graphene aqueous solution, and performing stirring reaction for 0.5-1.5h; and adding the superfine talc powder, the nano silicon dioxide, the nano aluminum oxide, the white carbon black and the high-viscosity attapulgite clay, mixing the materials uniformly, then adding the freeze-dried powder, and mixing the materials uniformly to obtain the coating. The coating is applied to decoration of the garden wooden bridge, and enables the wooden bridge to not only have good waterproof and anticorrosive effect but also have excellent mothproof and mildewproof properties, so that the coating has a good application value.

The invention discloses a folding fan manufacture method which includes the steps: material selection; cutting; large framework manufacturing; small framework manufacturing; framework grinding; nail installation; fan surface manufacturing; fan surface installation and the like. According to the method, frameworks of a folding fan are boiled, dried and the like, so that the anti-insect and anti-corrosion effects of the frameworks are good, the frameworks are baked at the temperature about 300 DEG C, so that the strength of a fan frame is quite high and enhanced by double more than as comprisedwith the strength of a fan frame manufactured by a common grinding tool, and the service life of the whole folding fan is greatly prolonged.

A self-control positioning rewinding screen window comprises a housing device, a reel screen window device, a window frame device and a positioning pull rod device, wherein the window frame device comprises side pillars and a bottom rod, and slideways are disposed in the side pillars; the positioning pull rod device comprises a pull rod, and an outer clamping heads are disposed on end parts of the pull rod; the positioning pull rod device also comprises inner clamping heads and a screw rod, the screw rod successively passes through the inner clamping head and the outer clamping heads and reaches inside of the pull rod, the screw rod is equipped with spring stopping blocks on the outer sides of the outer clamping heads, the spring stopping blocks are clamped inside the pull rod, the screw rod is sleeved by springs between the spring stopping blocks and the outer clamping heads, and the screw rod is equipped with bolts embedded in the spring stopping blocks are disposed on outer sides of the spring stopping blocks; and the inner clamping heads are located in the slideways of the window frame device, the outer clamping heads are disposed outside the slideways, and the outer clamping heads and the inner clamping heads generate clamping force to the side pillars. The screen window provided by the invention has the advantages that a screen mesh can be positioned and unfolded at any position in the window frame; rewinding inertia force of the rewinding screen window is small; the structure is simple; and installation and disassembly are convenient, etc.

The invention relates to a sandwich silk filling core material, which is characterized in that the sandwich silk filling core material comprises an upper surface silk layer, a lower surface silk layer and a fibrilia interlayer between the upper surface silk layer and the lower surface silk layer, wherein the weight percentage content of the fibrilia in the sandwich silk filling core material is 35-80 percent. The sandwich silk filling core material of the invention has the advantages of softness and comfort, insect prevention and expelling, antimicrobial effect, effective mildew prevention and low price.

The invention discloses a bamboo insect prevention treatment method, and belongs to the technical field of bamboo processing. The method adopts the following raw materials in parts by weight: 6-8 parts of plant insect killing and preventing liquid, 70-80 parts of water, and 10-22 parts of quicklime. The method comprises the following steps: (a) the quicklime is put in a pool; the plant insect killing and preventing liquid and the water are uniformly stirred; and then, a bamboo product is dipped by 68-72 hours; (b) the bamboo product is taken out from the pool, and is put in a shady place for airing by 68-72 hours; and (c) the bamboo product, aired in the step (b), is put in an oven by 20-23 minutes at a temperature of 72-80 DEG C. The method can solve the problem of easiness in insect generation in traditional bamboo products.

The invention discloses a tear-resistant food packaging bag film and a preparation method thereof. The tear-resistant food packaging bag film is prepared from the following raw materials in parts by mass: 45 to 65 parts of linear high density polyethylene; 15 to 25 parts of polybutadiene rubber; 10-15 parts of polypropylene glycol, 7-15 parts of cellulose acetate, 2-3 parts of bamboo charcoal fiber particles, 5-12 parts of a bacteriostatic agent, 2-4 parts of an anti-aging agent, 2-3 parts of an ionic surfactant, 2-3 parts of a toughening agent, 1-2 parts of a coupling agent, 2-3 parts of polyethylene wax, 1-2 parts of propylene glycol alginate, 1-3 parts of ammonium persulfate and 1-2 parts of glyceryl monostearate. The food packaging bag film has the beneficial effects that the food packaging bag film has good tear resistance and also has good antibacterial, mildew-proof, insect-proof and anti-aging properties.

The invention belongs to the technical field of air freshening and particularly relates to a gel-type air freshener and a preparation method thereof. The air freshener contains the following components: 10-15 parts of plant extract, 1-3 parts of agar, 1-2 parts of Tween 80, 2-4 parts of carrageenan, 8-10 parts of sodium stearate, 15-25 parts of ethanol and the balance of distilled water tilling reaching 100 part. The air freshener disclosed by the invention has the advantages that by selecting the plant extracts of clematis, red smartweed, sweet wormwood, stemona and the like as active ingredients, worms and mosquitoes in bathrooms can be effectively expelled and killed; and the air freshener has the effects of restraining and killing various bacteria and can also emit an aromatic smell topurify the bathroom air and make people feel pleasant.

The invention discloses a worm-resistant bookmark manufacturing method. The worm-resistant bookmark manufacturing method comprises the following steps: (1) selecting dry lavender flowers, pulverizing the dry lavender flowers, screening the pulverized dry lavender flowers with a 10-mesh filter screen and screening the screened dry lavender flowers with a 50-mesh filter screen to obtain plus-sieve pulverized dry lavender flowers and minus-sieve pulverized dry lavender flowers; and grinding cymbopogon distans, saponin, alum and bletilla striata into powder, adding the minus-sieve pulverized dry lavender flowers, and performing uniform mixing to obtain worm-resistant powder; (2) adding glue into the worm-resistant powder, and performing uniform stirring to obtain worm-resistant powder glue for later use; (3) pasting two pieces of bookmark paper with the worm-resistant powder glue, then pressing into a bookmark and performing airing; and (4) coating the surface of the bookmark with a layer of the plus-sieve pulverized dry lavender flowers, and pressing an air-permeable plastic film on the bookmark by a laminator to obtain the worm-resistant bookmark. The worm-resistant bookmark manufacturing method not only can prevent book worms from destroying books but also carries faint lavender fragrance, and therefore improves the reading experience of people.

The invention relates to a wooden product insect repellent agent which comprises, by weight, 10-15 parts of Chinese herbal medicines, 1-2 parts of sodium chloride, 22-25 parts of absolute ethyl alcohol, 0.5-0.8 part of potassium sorbate, 2-3 parts of wood vinegar and 3-5 parts of essential oil. The invention further relates to a preparation method of the wooden product insect repellent agent. Thepreparation method includes the steps: cleaning the Chinese herbal medicines, soaking the Chinese herbal medicines for 4-6 hours after drying, heating and decocting the Chinese herbal medicines for 30-40 minutes, filtering the Chinese herbal medicines to obtain liquid medicines and medicine residues; concentrating the liquid medicines to reach 30-40% of original volume; drying and crushing the medicine residues, grinding the medicine residues into powder, sieving the powder by a 300-mesh sieve, adding the absolute ethyl alcohol, soaking the powder for 8-10 hours and centrifugally separating and collecting supernate; mixing the supernate with the concentrated liquid medicines, the sodium chloride, the potassium sorbate, the wood vinegar and the essential oil, and uniformly stirring the components to obtain a finished product. The prepared wooden product insect repellent agent has good insect repelling and preventing, antisepsis and bacteriostasis effects, can prevent wood borers such aspowder-pest beetles, has the advantages of strong efficacy, long residual period and the like, and is applicable to maintenance of wooden products.

The invention discloses a multi-layer structure composite board manufactured by squeezing glue-free straw boards at a high temperature. The two large faces of a composite core board are each provided with a layer of composite outer layer wood board in a composite mode. The composite core board comprises a center skeleton board on the center layer. The two large faces of the center skeleton board are each provided with one layer of glue-free straw board in a composite mode. The outer large face of each glue-free straw board is provided with a fireproof board in a composite mode. A five-layer board formed by the glue-free straw boards, the fireproof boards and the center skeleton board has two opposite flush side faces. The two flush side faces are each provided with a layer of peripheral skeleton board in a composite mode. The two opposite side faces of the two composite outer layer wood boards are flush with the outer edges of the side faces of the peripheral skeleton boards on the same sides as the two composite outer layer wood boards. The composite board has the advantages of being free of glue and air pollution, low in density and light, has the enough connecting performance and strength, is good in flexibility and enables a wall to achieve self bearing, no joist is needed, deformation is avoided, the multi-layer structure composite board has the advantages of water resistance, impact resistance, radiation resistance and the like, and the service life of the board is as long as that of a building.

The invention relates to an aluminum composite board and a manufacturing method thereof. The aluminum composite board comprises a base layer formed by sequentially leaning a plurality of aluminum profile square tubes together side by side in the horizontal direction, and aluminum boards covering the upper side face and the lower side face of the base layer respectively. The aluminum boards and thealuminum profile square tubes are bonded together through PUR glue, a ventilation system is constructed between the aluminum boards and the aluminum profile square tubes, external air permeates through the ventilation system, moisture existing in the air reacts with the PUR glue, chain extension is conducted, and a high-molecular polymer with high cohesion is generated. The aluminum board and thealuminum profile square tube are bonded together. The aluminum composite board is composed of the aluminum profile square tubes and the aluminum boards, and the prepared board is stable in performance, seamless in compounding, good in flatness, excellent in hand feeling and sound, low in deformation coefficient and environmentally friendly, has good waterproof, fireproof, insect-proof, anti-corrosion and high-low-temperature-resistant effects and can be used as a wall board or a furniture board. The production process is simple, high in efficiency, high in productivity and low in energy consumption.

The invention discloses an antibacterial deodorant composition. The antibacterial deodorant composition comprises carbonate and an active adsorption material; and the carbonate and the active adsorbent material are present in the form of a mixture. According to the antibacterial deodorant composition, the carbonate and the active adsorption material are taken as main components, so that the antibacterial deodorant composition is safe, non-toxic and odorless, and has the beneficial effects of peculiar smell elimination, decontamination, bacteriostasis, insect prevention, moisture prevention, agglomeration and the like.

The invention relates to the technical field of non-woven fabric fruit bag production, and discloses a production method of an antibacterial non-woven fabric fruit bag, and the method comprises the following steps: (1) extrusion treatment: polypropylene particles are pumped into an extruder to be heated and molten to prepare a molten raw material A; (2) spinning treatment, wherein the molten raw material A is sprayed out of tows B through a spinneret plate; (3) web forming treatment, wherein the tows are stretched and fall onto a web curtain of a web forming machine through a drafting fan to be laid into a fluffy net-shaped object C; (4) hot rolling treatment: placing the mesh C in a hot rolling mill for hot rolling forming to obtain a non-woven fabric D; (5) winding treatment: winding the non-woven fabric D on a paper tube to obtain a non-woven fabric roll E; and (6) bag making treatment, wherein the non-woven fabric roll E is put into a non-woven fabric bag making machine to be made into a non-woven fabric fruit bag. The non-woven fabric fruit bag is good in light transmission and air permeability, fruits are sweeter and more delicious, the fruits and the bag only need to be picked off together during harvesting, netting is not needed, labor intensity is reduced, and labor is saved.