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39results about How to "Environmentally friendly and healthy" patented technology

Natural down flocculus made of composite thermal insulation materials and manufacturing process of the natural down flocculus

The invention relates to a natural down flocculus made of composite thermal insulation materials, which is made through taking down mainly comprising duck down and goose down as a main material, as well as a manufacturing process of the natural down flocculus. The natural down flocculus made of the composite thermal insulation materials is made of blend fiber and down mainly comprising duck down and goose down, wherein the blend fiber is formed by blending meldable fibers and polyester staple fibers according to weight ratio of (13-18):(6-15); and the blended ratio of the down and the blend fiber is determined according to the requirement of a down product. In manufacturing, animal down serves as a main material while the meldable fibers and the polyester staple fibers serve as auxiliary materials; and the composite thermal insulation material with the down content of above 65% is produced according to different ratios of all materials. The down flocculus has a good thermal insulation property like a down product or a cashmere product, is green and environment-friendly, and also has spinnability and tailorability. The process is relatively low in cost, concise and mature in process and easy to operate, and has a great market potential.
Owner:河北兴瑞羽绒制品有限公司

Temperature and humidify independent control air conditioning system with compactness and high performance

The invention belongs to the field of air conditioning and energy-saving related equipment, and discloses a temperature and humidify independent control air conditioning system with compactness and high performance. The system comprises a compressor, an outdoor unit condenser, a liquid-air sprayer, a cooling evaporator, an air-liquid separator, a throttling mechanism, a dehumidifying evaporator and the like, wherein the pressure energy of high-pressure refrigerant liquid is recovered through introduction of such modules as the sprayer, so that a refrigerating system can work at two different evaporation temperatures; specific connecting modes of key modules are further optimally designed to greatly simplify the whole structure correspondingly; an additional air-liquid separator is not needed, the air sucking pressure of the compressor is improved, and the energy consumption of the compressor is reduced, so that the system achieves higher circulating performance and reliability; and inaddition, such aspects as condensed water collection and utilization of the evaporator and solar photovoltaic driving are transformed and upgraded.
Owner:HUAZHONG UNIV OF SCI & TECH

Preparation method of antibacterial ceramic

The invention discloses a preparation method of an antibacterial ceramic. According to the method, a glaze formulation and a glazing method are optimized and improved, so that the durable ceramic with a high antibacterial property can be obtained by a conventional universal ceramic production method under the conventional universal preparation conditions. The method has the outstanding characteristics that antibacterial ions are attached to a white carbon black carrier by a sol-gel method so as to obtain an antibacterial powder material, the antibacterial powder material is mixed with a common glaze material and the mixture is subjected to wet ball milling to prepare composite antibacterial glaze slip; then by adopting a double-layer glazing method, a common glaze material inner layer is uniformly poured and a composite antibacterial glaze slip outer layer is uniformly sprayed on the outer wall of a green body or a biscuit; finally, the obtained product is baked at a high temperature to form the required antibacterial ceramic. The method has the advantages that not only the product has the antibacterial broad-spectrum property and a high sterilizing rate, has no drug resistance and is environmental-friendly and healthy, but also the antibacterial metal ions are lost a little in the baking process, and have a high ion activity and a high usage rate; the antibacterial glaze material has good adsorbability and influences a ceramic green body a little; the ceramic is integrally high in quality and has strong damage resistance; moreover, a glaze surface is smooth and wear-resistant. Generally, the antibacterial ceramic prepared by the preparation method is controllable in cost, has high cost performance and is beneficial to scale quantitative production in the future market.
Owner:KUNMING UNIV OF SCI & TECH

Compound thermal insulation material eiderdown flocculus and making process thereof

The invention relates to a compound thermal insulation material eiderdown flocculus taking eiderdown, mainly duck down and goose down as the main materials and the making process thereof. The compound thermal insulation material eiderdown flocculus is made by the eiderdown, mainly the duck down and the goose down as well as synthetic fabric, wherein the synthetic fabric is made by meldable fiber and tencel fiber in the weight ratio of 13 to 18:6-15; the mixing ratio of the eiderdown and the synthetic fabric is set by the contents required by the finished eiderdown product; and during making, the animal eiderdown is the main material and the meldable fiber and tencel fiber are the auxiliary materials, and the materials are made into the compound thermal insulation material with 65% content of eiderdown according to different ratios. The compound thermal insulation material eiderdown flocculus not only has the thermal insulation characteristic of the eiderdown and cashmere products, but also is environment-friendly, has spinnability and cuttability, rather lower cost, simple and mature process, easiness for operation and big market potential.
Owner:河北兴瑞羽绒制品有限公司

Environment-friendly organosilicone sealant and manufacturing method thereof

The invention discloses an environment-friendly organosilicone sealant which is characterized in that 100 parts by mass of alpha,omega-dyhydroxyl polydimethylsiloxane and 50-150 parts by mass of packing are added into a vacuum kneader for dehydration and blending for 120-240min at 120-170 DEG C and at the vacuum degree of 0.06-0.099MPa, and a base stock is obtained. 100 parts by mass of base stock, 3-10 parts by mass of alpha,omega-dimethyl polydimethylsiloxane, 5-15 parts by mass of cross-linking agent, 0.3-1.0 parts by mass of coupling agent, 0.1-0.5 parts by mass of dimethylbis [(1-oxoneodecyl) oxy] stannane, neodecanoic acid zinc and organic bismuth, 0.1-0.5 parts by mass of curing accelerator and 1-3 parts by mass of fumed silica are added into a dispersion machine for vacuum mixing for 20-4040 at a room temperature and at the vacuum degree of 0.06-0.099MPa, and the environment-friendly organosilicone sealant is obtained. Various performances of the environment-friendly organosilicone sealant meet requirements of building sealants, and can be widely applied to the field of buildings.
Owner:CHENGDU GUIBAO SCI & TECH

Water-based epoxy wear-resistant floor coating and preparation method and application thereof

The invention relates to the technical field of environment-friendly coatings, in particular to a water-based epoxy wear-resistant floor coating and a preparation method and application thereof. The water-based epoxy wear-resistant floor coating comprises a composition A and a composition B, wherein the mass ratio of the composition A to the composition B is 1:(3.8-4.6); the composition B is a water-based epoxy emulsion; the composition A is prepared from, by mass, 37-42% of a water-based epoxy curing agent, 1-2% of a wetting dispersant, 0.1-0.3% of a defoaming agent, 0.1-0.5% of a leveling agent, 0.2-0.5% of an anti-settling agent, 1-3% of a coupling agent, 25-30% of a wear-resistant filler, 0.3-0.8% of pigments and 20-33% of water. The coating has excellent physical properties and greatwear resistance, can be applied to ground with a large pressure load and is long in service life.
Owner:洛阳双瑞防腐工程技术有限公司

Solid laminated wood of novel structure

Solid laminated wood of a novel structure is composed of first square battens of a novel structure and second square battens of a novel structure. The two kinds of square battens are consistent in shape and structure, wherein a tenon is arranged on the middle portion of the top of each batten in the chordwise direction, side mortises are arranged on the two sides of the tenon on the top of each batten in the chordwise direction, a mortise groove is formed in the middle portion of the bottom of each batten in the chordwise direction, side tenons are arranged on the two sides of the mortise groove in the bottom of each batten in the chordwise direction, and the first square battens of the novel structure are twice as long as the second square battens of the novel structure. When the two kinds of square battens are combined into the laminated wood, the second square battens and the first square battens are spliced in a crossing mode in the shape of three stacked squares so that the tenons and the mortise grooves of the two kinds of battens can be combined and the side mortises and the side tenons of the two kinds of battens can be combined to form a tenon and mortise inlaid structure. In the splicing process, the two kinds of battens are adjusted to be arranged and spliced in the cross mode according to the required wood length so as to form a piece of laminated wood with any length and width; due to the fact that the battens are firmly sleeved with one another as a whole, the formed laminated wood is accordingly stable and firm, and a new type of laminated wood is added for artificial boards.
Owner:GUANGXI NANNING QIAOSHENG WOOD

Jet throttling independent temperature and humidity control air conditioning system

The invention belongs to the field of air conditioning and energy saving related equipment and discloses a jet throttling independent temperature and humidity control air conditioning system comprising a compressor, an outdoor unit condenser, a liquid-gas ejector, a gas-liquid separator, a gas-liquid mixer, a throttling mechanism, a cooling evaporator, a dehumidification evaporator, an indoor unitfan and the like. The ejector and other assemblies are introduced to recover pressure energy of high-pressure refrigerant liquid, thus a refrigeration system can work under two different evaporationpressures, and independent temperature and humidity control of the air conditioning system is achieved. Meanwhile, a low-pressure evaporator has low evaporation temperature, and a dehumidification function of the air conditioning system is borne in a condensation dehumidification mode; and a high-pressure evaporator has high evaporation temperature and mainly bears an air cooling function of the air conditioning system. Through the jet throttling independent temperature and humidity control air conditioning system, independent temperature and humidity control of air can be achieved, air suction pressure of the compressor is also improved, energy consumption of the compressor is lowered, and the jet throttling independent temperature and humidity control air conditioning system has a higherperformance coefficient than a traditional air conditioning system.
Owner:HUAZHONG UNIV OF SCI & TECH

Hotpot condiment processing technique and device

The invention discloses a hotpot condiment processing technique and its device. The hotpot condiment is produced by a 'negative pressure extracting condensation method'; the specific operation includes steps of mixing the pre-prepared hotpot condiment raw materials and water at the weight ratio of 1: 0.3 and then placing the mixture in a reaction kettle; continuously overturning and rotating the hotpot condiment raw materials in a negative pressure vacuum, so as to obtain the hotpot condiment, wherein the hotpot condiment processing device comprises a direct fire heating and cooking reaction kettle and a vacuumizing component. By adopting the hotpot condiment processing technique and its device, 80% of spicy fragrance in the hotpot condiment can be extracted; the soup-stock is used as thinner when the hotpot condiment is in use, and prepared to be high, medium and low-grade spicy fragrance for different customers. The processed hotpot condiment is hot, fresh and delicious, nature and red in soup color; the taste lasts for a long time; the hotpot condiment has unique taste, special style, and is featured by environmental-protection, health, time-saving, material-saving and work-saving; therefore, the hotpot condiment is appraised by experts of hot pot restaurants.
Owner:文凯令

Arenga engleri Beccari fiber mattress and manufacture method thereof

InactiveCN104720428APlay the function of sterilization and disinfectionImprove efficiencyStuffed mattressesSpring mattressesActivated carbonWear resistant
Disclosed are an Arenga engleri Beccari fiber mattress and a manufacture method thereof. The mattress comprises an Arenga engleri Beccari fiber layer and a wear resistant layer. The Arenga engleri Beccari fiber layer is sewed above the wear resistant layer and is formed through paved and arranged natural Arenga engleri Beccari fibers, and the surfaces of the natural Arenga engleri Beccari fibers are provided with a plurality of activated carbon particles. The mattress is sewed mechanically, conveniently, rapidly and efficiently, the natural Arenga engleri Beccari fibers are adopted, the activated carbon particles with the absorption and environment-protection capabilities are arranged on the natural Arenga engleri Beccari fibers, the connatural three-dimensional reticular fiber structure of the natural Arenga engleri Beccari fibers is utilized completely, the indoor air can be sterilized and disinfected, the strength is high, the pressure of 8ton can be borne, and the mattress has the advantages of water and air permeability, insect prevention and bacteria resistance, environment protection and health caring.
Owner:HUANGHUA LVXIANG ZONGDIAN PROD

Sleep promoting incense and preparation method thereof

The invention discloses sleep promoting incense and a preparation method thereof, and particularly relates to the field of functional essence incense. The sleep promoting incense is made of musk and radix aucklandiae as a front section of incense; flower fragrance of pure cinnamomum camphora leaf essential oil, lavender essential oil and lily essential oil is added, and traditional Chinese medicine perfumes such as schisandra chinensis, selfheal and semen cassia are used; a gardenia yellow pigment synthetic perfume is adopted as the rear section of the incense; sandalwood 208 is adopted as a high-temperature resistance perfume; when sandalwood 208 is burned, the incense is full and mellow in fragrance; vermiculite powder is used; when vermiculite powder is burned, the size of the vermiculite powder can be increased, then cavities are increased, released fragrance can be absorbed, the contact rate of the incense and the air is increased, the release rate of the fragrance is slowed down,and the fragrance release time is prolonged; traditional Chinese herbal medicine powder and plant essential oil are mutually matched, and thus the sleep promoting incense has the effects of eliminating fatigue, focusing mind and promoting sleep.
Owner:安徽香杰香精科技有限公司

Production method of fiber cement board

The invention discloses a production method of a fiber cement board. The production method comprises the following steps: (1) manufacturing molds according to the size of the fiber cement board, wherein the molds have the same size and water-penetration thin plates are arranged on bottom surfaces of the molds; coating a de-molding agent in the molds; (2) putting raw materials of the fiber cement board into a container and mixing the raw materials with water; stirring and blending to prepare cement paste; (3) pouring the cement paste of step (2) into the molds in step (1); rolling and flattening under the pressure of 0.5kg / cm<2> to 1kg / cm<2>; removing water and de-molding after curing at 10 DEG C to 50 DEG C. When the production method is used for manufacturing the fiber cement board, the production method is simple and convenient to operate; a board body is easily de-molded; the board body is not easily damaged and the rate of finished products is high; the produced fiber cement boardhas the advantages of environmental friendliness and health, uneasiness of being cracked, good waterproof performance and the like.
Owner:张克勤

Integrated solid wood panel of embedded structure

An integrated solid wood panel of an embedded structure is composed of first square strips and second square strips. The shape structures of the two types of square strips are consistent, wherein an arc-shaped tenon is arranged on the chordwise top of each wood strip, an arc-shaped mortise is arranged at the chordwise bottom of each wood strip, but the length of the first square strips must be inconsistent with the second square strips. When the integrated panel is formed by combining the two types of square strips, the second square strips and the first square strips are spliced in a staggered and intersected mode, the arc-shaped tenons and the arc-shaped mortises of the two types of wood strips are matched, the tenon-mortise embedded structure is formed, the two types of wood strips are adjusted to be arranged and spliced in the intersected mode according to the required panel length in the splicing process to form an integrated panel of any length and any width, the integrated panel is relatively stable and firm due to the fact that the whole wood strips are firmly sleeved with one another, and the novel integrated panel is added to artificial boards. The arc-shaped tenons and the arc-shaped mortises are simple in structure and easy to manufacture, the wood strips are quite conveniently spliced, and therefore the work efficiency in the integrated panel manufacturing process is quite high.
Owner:GUANGXI NANNING QIAOSHENG WOOD

Efficient nontoxic antibacterial agent

The invention discloses an efficient nontoxic antibacterial agent. The efficient nontoxic antibacterial agent mainly comprises, by weight, 15-25 parts of flos lonicerae, 10-20 parts of flos chrysanthemi, 10-20 parts of herba menthae, 5-15 parts of herba taraxaci, 5-15 parts of aloe barbadensis mill, 10-20 parts of radix glycyrrhizae, 1-5 parts of cellulase, 3-8 parts of chitosan, 1-5 parts of sodium citrate and 40-60 parts of ethyl alcohol. The efficient nontoxic antibacterial agent has the advantages that technological processes are simple, and the efficient nontoxic antibacterial agent is prepared from nontoxic and harmless biological bacteria, is prepared after internal antibacterial components and starch slurry are matched with one another, and accordingly is environmentally friendly,healthful, nontoxic and harmless.
Owner:柳州市晟铂贸易有限公司

Preparation method and application for multi-particle-size carboxylic acid type waterborne polyurethane

InactiveCN110272530AUniform and fine foamingStrong BassCoatingsTextiles and paperPrepolymerIsocyanate
The invention discloses a preparation method for multi-particle-size carboxylic acid type waterborne polyurethane. The preparation method comprises the following steps: simultaneously adding polyol and polyisocyanate into at least two reaction kettles for a reaction; cooling the reaction kettles, and adding a hydrophilic chain extender, a micromolecular alcohol chain extender and a catalyst for a reaction; adding a diluent into the reaction kettles, then carrying out cooling so as to obtain a plurality of prepolymers, and carrying out uniform mixing; and adding an amine chain extender, and carrying out purification treatment so as to obtain the multi-particle-size carboxylic acid type waterborne polyurethane. According to the invention, through a multi-particle-size process, the solid content of carboxylic acid type waterborne polyurethane resin can reach 50% or more; the storage stability of the carboxylic acid type waterborne polyurethane resin reaches three months or above; the problem of incapability of preparing high-solid-content waterborne polyurethane from carboxylic acid type waterborne polyurethane is solved; the high-solid-content waterborne polyurethane prepared by using the process provided by the invention is full in handfeel, more uniform and fine in foaming, higher in bass strength and stronger in heat resistance; and a product prepared by using the preparation method provided by the invention is free of an organic solvent and has the advantages of environmental friendliness and healthiness.
Owner:HEFEI KETIAN WATERBORNE TECH CO LTD +1

Long-acting insect expelling and purifying functional coating as well as preparation method and construction method thereof

The invention belongs to the technical field of building materials, and particularly relates to a long-acting insect expelling and purifying functional coating and a preparation method and a construction method thereof. The coating consists of a coating A and a coating B, wherein the coating A is prepared from the following raw materials in percentage by mass: 15 to 25 percent of talcum powder, 18to 25 percent of ground calcium carbonate, 8 to 15 percent of shell powder, 12 to 20 percent of ash calcium powder, 5 to 8 percent of bentonite, 1 to 3 percent of rubber powder, 2 to 6 percent of lemon eucalyptus alcohol, 1 to 4 percent of a pyrethrin agent, 5 to 10 percent of folium artemisiae argyi powder, 2 to 5 percent of lemongrass powder, and 2 to 4 percent of natural perfume; and the coating B is prepared from the following raw materials in percentage by mass: 85 to 95 percent of a basic paint, 2 to 8 percent of hexacyclic stone, 2 to 5 percent of germanite and 1 to 5 percent of infrared ceramic powder. The coating integrates insect expelling and air purification functions, has the characteristics of environmental friendliness, health, long-acting effect, durability, nature, high efficiency, sanitation, disease prevention, energy conservation and emission reduction, and can improve the living environment for people; and the preparation method and the construction method are simple and feasible.
Owner:北京仲基应用技术研究院有限公司

Structurally stable novel solid wood plate

A structurally stable novel solid wood plate comprises a solid wood integrated plate, a first thin veneer and a second thin veneer, wherein the first thin veneer and the second thin veneer are attached to the front and back of the solid wood integrated plate to form the whole structurally stable novel solid wood plate. In the invention, the first thin veneer and the second thin veneer are transversely attached to the front and back of the slid wood integrated plate, enhancing overall binding force of the solid wood integrated plate and retaining excellent performance of the solid wood integrated plate; even in dry and wet environments and an environment with a great temperature difference, the solid wood integrated plate with the thin veneers never easily shrinks or cracks, and the excellent performance of the solid wood integrated plate is retained; as the thin veneers are less than 100 si in thickness, the thin veneers and the solid wood integrated plate have a more stable structure after crisscross attachment, and the defect that traditional combined integrated wood has an easy tendency of being hairy on the sides and is difficult to take polishing, veneering, edge sealing and the like after being processed is overcome.
Owner:GUANGXI NANNING QIAOSHENG WOOD

Inorganic composite plate and manufacturing method thereof

The invention provides an inorganic composite plate and a manufacturing method thereof. A calcium silicate crystal powder plate with the thickness being 6 mm-15 mm serves as a base material of the inorganic composite plate, and fireproof plates with the thickness being 1+ / -0.1 mm is pasted on the two faces of the calcium silicate crystal powder plate through environment-friendly hot melt adhesiveor hot melt resin. The invention further comprises the manufacturing method of the inorganic composite plate. The inorganic composite plate has the advantages of being low in production cost, good indimensional stability, not prone to deforming, fireproof, resistant to abrasion, good in heat preservation, environmentally friendly and healthy, attractiveness and elegance of the inorganic compositeplate are achieved, the inorganic composite plate can replace stone, wood and fabric in visual effect, and the inorganic composite plate also has the characteristics of being capable of saving energysources, environmentally friendly, and ecological compared with the stone, the wood and the fabric.
Owner:湖南安雅达建材科技有限公司

Double-efficient carbon dioxide air conditioner heat pump system

The invention discloses a double-efficient carbon dioxide air conditioner heat pump system which adopts natural and environment-friendly carbon dioxide as a refrigerant and has a refrigerating working mode and a heating working mode. The system has two evaporation temperatures in the refrigerating mode, refrigerant pressure energy in a high-pressure pipeline is recovered through an ejector, part of refrigerant liquid in a gas-liquid separator is injected to achieve low-temperature refrigeration, and the purposes of realizing independent dehumidifying, recycling part of compression work, reducing power consumption of a compressor and improving refrigeration efficiency are achieved. In the heating mode, high-temperature exhaust of the compressor sequentially enters a second indoor heat exchanger and a first indoor heat exchanger, countercurrent flow heat exchange of the high-temperature exhaust and indoor air is achieved, heat exchange is sufficient, the heating capacity of the system is improved, and the purpose of efficient heating is achieved. Therefore, the whole system can realize double high-efficiency refrigeration and heating.
Owner:HUAZHONG UNIV OF SCI & TECH

New solid wood board with melamine impregnated bond paper directly attached

A new type of solid wood board directly pasted with melamine impregnated film paper is based on a new structure of solid wood laminated wood. Paste melamine-impregnated film paper directly on the surface of the new solid wood board with stable structure. In the present invention, the thin veneer is horizontally pasted on the front and back sides of the solid wood composite board, which enhances the overall bonding force of the solid wood composite board and maintains the excellent performance of the solid wood composite board, even in environments with large dry-humidity and temperature differences. , Solid wood integrated panels are not prone to shrinkage and cracking. The formed board not only has wear-resistant, dry and wet resistance, corrosion resistance and good decorative properties on the surface; moreover, it maintains the excellent performance of solid wood integrated boards, and overcomes the drying and shrinkage of traditional integrated boards due to changes in physical environment factors in practical applications. Expansion, cold shrinkage and heat expansion, easy cracking and warping deformation.
Owner:GUANGXI NANNING QIAOSHENG WOOD

Copying machine

The invention discloses a copying machine, which relates to the field of office automation. The upper end of an enclosure is provided with a copying area lid; the upper part of the copying area lid is provided with a radiation-protection cover groove; a radiation-protection plate is arranged in the radiation-protection cover groove; the front side of the bottom end of the copying area lid is provided with a main control panel; one side of the copying area lid is provided with a paper inlet, and the bottom end of a control panel is provided with a paper outlet; the main control panel is provided with a fingerprint identification sensor and a fingerprint recognizer; one side of the enclosure is provided with a power switch; the other side of the enclosure is also provided with a heat dissipation window; the power switch is connected with the main control panel; the fingerprint identification sensor is connected with the fingerprint recognizer; the fingerprint recognizer is connected with the main control panel; and a power is arranged in the enclosure; the bottom of the enclosure is provided with a storage box, and the storage box is movably connected with the enclosure. The copying machine has the advantages of being reasonable in design, simple in manufacture, low in cost and good in protection performance.
Owner:XINGUANG NUMERICAL CONTROL TECH

Special automobile exterior trim part material added with waste mask melt-blown material

The invention discloses a special automobile exterior trim part material added with a waste mask melt-blown material. The special automobile exterior trim part material is prepared from the followingraw materials in parts by weight: 80-100 parts of PC resin, 50-60 parts of waste mask reclaimed material, 10-20 parts of flame-retardant filler, 10-15 parts of modified montmorillonite, 5-10 parts ofbasalt fiber, 1-5 parts of flexibilizer, 1-3 parts of light stabilizer and 1-3 parts of coupling agent. The flame-retardant filler is added to endow the composite material with excellent flame retardancy and heat resistance, the modified montmorillonite and the flexibilizer endow the composite material with excellent toughness and impact resistance in inorganic and organic aspects, and the titanium dioxide can scatter and absorb ultraviolet rays, thereby enhancing the aging resistance of the composite material. The melt-blown material in waste masks is utilized to implement secondary high-efficiency utilization of the waste and reduce pollution, so that the special material for the automobile exterior trim part has the characteristics of impact resistance, high-temperature resistance, flame retardancy, low cost, environment friendliness, health and the like.
Owner:ANHUI GUANHONG PLASTIC IND

Optical anti-counterfeiting mark and preparation method thereof

The invention provides an optical anti-counterfeiting mark which comprises a substrate and a multi-layer film structure. The invention also provides a preparation method of the optical anti-counterfeiting mark, which comprises the following steps of: by taking black silk as a substrate, evaporating a titanium film on the substrate, and then evaporating a silicon film; and covering the surface witha hollow mask, plating SiO2 films with different thicknesses in different areas according to set colors, covering an area after the thickness of the area meets the requirement, continuing to evaporate the rest areas, and obtaining a sample with the optical anti-counterfeiting mark when the thickness of the SiO2 film in each area reaches a preset thickness. The invention also provides a preparation method of the optical anti-counterfeiting mark, which comprises the following steps of: by taking white silk as a substrate, covering the surface of the substrate with a hollow mask, evaporating titanium films with different thicknesses, and covering different areas at different thicknesses according to the requirements for different colors; and evaporating silicon films with different thicknesses, and covering different areas at different thicknesses according to the requirements for different colors, so as to obtain a sample with the optical anti-counterfeiting mark.
Owner:FUDAN UNIV

Water-based nano static conductive coating and preparation method thereof

The invention relates to a water-based nano static conductive coating and a preparation method thereof, and belongs to the technical field of coatings, wherein the static conductive coating comprisesa component A and a component B with a mass ratio of 1:(4-5.5); the component B is a waterborne epoxy emulsion; the component A comprises the following components in parts by mass: 37-42 parts of a waterborne epoxy curing agent, 1-2 parts of a wetting dispersant, 0.1-0.3 part of an antifoaming agent, 0.1-0.5 part of a leveling agent, 0.2-0.5 part of an anti-settling agent, 1-3 parts of a couplingagent, 15-25 parts of a pigment filler, 10-15 parts of a static conductive filler and 20-33 parts of water; the static conductive filler is at least one of nano chromium fibers and nano nickel fibers.The coating has excellent corrosion resistance and excellent static electricity conduction performance, and can be applied to corrosion resistance and static electricity conduction requirements of the inner wall of an oil storage tank.
Owner:洛阳双瑞防腐工程技术有限公司

A bed board grinding device for smart home bed production

The invention belongs to the technical field of smart home furnishing, in particular to a bed board smoothing device for smart home bed production, comprising a support plate, the surface of the support plate is respectively fixedly connected with a feeding box and a smoothing box, and the four support plates are connected by the feeding box and the grinding box. The axis of the flat box is symmetrically distributed around the center, and the inner wall of the feeding box is fixedly provided with a feeding groove. The bed plate grinding device for smart home bed production is equipped with the grinding device, and when in use, the first grinding wheel, the second grinding wheel and the two third servo motors are driven by the first servo motor, the third servo motor and the fourth servo motor. The grinding wheel rotates to smooth the four surfaces of the bed plate. At the same time, the hand wheel drives the adjustment threaded rod to rotate and the crank handle drives the pressurized threaded rod to rotate to adjust the distance between the second grinding wheel and the first grinding wheel. The distance between the three grinding wheels adjusts the thickness and width of the ground bed, thereby achieving the effect of conveniently adjusting the thickness and width of the ground.
Owner:广州初色科技有限公司

Bath bean soap and preparation method thereof

PendingCN114525181ASolve the problem of hurting the skinEasy to carryShaping soapDetergent compounding agentsBiotechnologyPreservative
According to the bath bean soap and the preparation method thereof, the natural, mild, healthy and health-care bath bean soap is prepared by taking oil with fishy smell such as snake oil and alligator oil as main oil materials, removing fishy smell through traditional Chinese medicines, adding other oil materials, saponifying, forming and the like. Because the used snake oil and alligator oil are natural oil, the unique fishy smell of the oil is deodorized by adopting traditional Chinese medicines, and any additive such as a preservative is not added, so that the problem that the additive hurts the skin is solved. The prepared small granular bath bean soap product is convenient to carry, only one bath bean soap is needed for one time, one bath bean soap is used for one time, the bath bean soap can be used for hand washing and sterilization at any time, waste is avoided, meanwhile, cross infection caused by use of multiple people is avoided, and the bath bean soap has important environment-friendly and healthy effects.
Owner:ANHUI NORMAL UNIV

Anti-corrosion polycarbonate sheet and preparation method thereof

The invention relates to an anti-corrosion polycarbonate sheet and a preparation method thereof, and belongs to the technical field of sheet preparation, wherein the preparation method comprises the following steps: step 1,a polycarbonate sheet is cleaned and dried to obtain a pretreated polycarbonate sheet; step 2, the pretreated polycarbonate sheet is placed under a UVC lamp to be irradiated for 0.5 h, and a surface modified polycarbonate sheet is obtained; and step 3, the surface modified polycarbonate sheet is placed in an anti-corrosion coating, standing is conducted for 1 min, then the polycarbonate sheet is taken out and cured, and the anti-corrosion polycarbonate sheet is obtained, wherein the anti-corrosion coating is a fluorine-containing water-based acrylate coating, has the characteristics of environmental protection and health, contains a relatively long F-C chain, and can improve the hydrophobicity and corrosion resistance of the plate; modified montmorillonite is added into the anti-corrosion coating, so that the diffusion path of corrosion ions can be prolonged, corrosion liquid and oxidizing gas are prevented from entering, and the anti-corrosion performance and the anti-aging performance of the sheet are improved.
Owner:安徽坤涂新材料科技有限公司
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