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473results about How to "Not harmful to health" patented technology

Composite diaphragm and method for preparing same

The invention discloses a composite diaphragm which comprises a supporting layer and an organic / inorganic particle blended coating layer, laminated; the coating layer comprises a polymer particle and an inorganic particle, uniformly mixed in an adhesive; micropore structures are arranged on the surface and at the inner part of the coating layer; the porosity is 20%-80%; the aperture average is 0.01 to 10 micrometers; the polymer particle comprises one or more of polytetrafluoroethylene, polyvinylidene fluoride, polyvinylidene fluoride-hexafluoropropylene copolymer, polyimide, polyacrylonitrile and aramid fiber resin; the particle size of the polymer particle is 0.01-10 micrometers; the inorganic particle comprises any one or more of SiO2, Al2O3, CaO, TiO2, MgO, ZnO, SnO2 and ZrO2; the particle size of the inorganic particle is 0.01-10 micrometers; the mass ratio of the polymer particle to the inorganic particle is (1:10) to (10:1). The invention further discloses a method for preparing the composite diaphragm. The composite diaphragm and the method have good thermal safety and strong in electrolyte absorption stiffness value, and meanwhile, and can achieve the advantages of low cost and low pollution.
Owner:SHENZHEN SENIOR TECH MATERIAL

Phosphorus-free water-based metal cleaning agent

The invention relates to a phosphorus-free metal cleaning agent comprising the components of, by weight, 2-20% of a cleaning aid, 1-20% of a surfactant, 1-10% of a chelating agent, 1-20% of an emulsifier, 1-10% of an antirust agent, 0.2-4% of a copper alloy corrosion inhibitor, 1-10% of a penetration agent, 1-6% of a solubilizing agent, 0.1-0.6% of a defoaming agent, and balance of water. The cleaning agent provided by the invention has excellent cleaning capacity, long rust proof period, low foam, long service life, and the like. The cleaning agent is suitable for ferrous metal and non-ferrous metal processing industries. The agent has the advantages of no volatilization, no irritation, no toxic or harmful substance such as nitrite, no damage to health, and no environment pollution.
Owner:SHENYANG PARKERIZING

Coating composite separation membrane and preparation method thereof

The present invention relates to the field of lithium battery processing, and discloses a coating composite separation membrane and a preparation method thereof. The coating composite separation membrane comprises a base film and a polymer covering layer coated on the surface of the base film, wherein the polymer covering layer comprises a water-soluble adhesive, a surfactant, a dispersing agent, a thickening agent, deionized water and polymer powder particles. The invention further discloses the preparation method for the coating composite separation membrane. The preparation method comprises: 1) preparing an aqueous slurry; 2) coating the polymer covering layer on the base film; 3) drying; and 4) winding. According to the present invention, absorption capacity and retention capacity of the separation membrane on the electrolyte are well improved, safety of the liquid state lithium battery during the use process is increased, and advantages of environmental protection and low cost are provided.
Owner:SHENZHEN SENIOR TECH MATERIAL

Magnesia-calcia dry type working liner for tundish and preparation thereof

The invention relates to a magesia-calcia tundish dry working lining refractory and a method for preparing the same. The technical scheme comprises mixing 55-65wt% of particle material with a grain size of 3-0mm, 22-35wt% of powder with a grain size less than 0.088mm, 0 or 0.5-8wt% of additives and 6-12wt% of binding agent according to a theoretical content of MgO 55-85wt% and CaO 10-40wt%, baking at 200-350 DEG C after stirring and vibration molding, getting the tundish dry working lining after demoulding, wherein the particle material is one or a mixture more than one selected from the magnesia, magnesite, limestone and dolomite; the powder is one or a mixture more than one selected from the magnesia, hydrated lime, limestone, dolomite and magnestie. The invention has advantages of simple technology, convenient construction, low cost, environment friendly and saving energy, and the magesia-calcia tundish dry working lining has a good metallurgical effect and the feature of easy disintegration after use.
Owner:WUHAN UNIV OF SCI & TECH

Environment-friendly flame retardant PBT/PC composite material and preparation method thereof

The invention provides an environment-friendly flame retardant PBT / PC composite material which comprises the following components in percentage by weight: 30-60% of PBT, 10-50% of PC, 0.1-1% of ester exchange inhibitor, 5-25% of fire retardant, 0-5% of flame retardant assistant, 1-10% of toughening compatilizer, 20-50% of glass fiber and 1-5% of processing additive. The invention also provides a preparation method of the composite material. The environment-friendly flame retardant PBT / PC composite material prepared by the invention has excellent mechanical property and flame retardant property, does not endanger the environment and human health, meets the requirements of EU ROHS instructions, has good liquidity and de-molding performance, improves the processing degree of freedom and production forming efficiency, has superior heat-resistant property and a heat-deformation temperature of 210 DEG C, has small shrinkage and good dimensional stability, prevents buckling deformation, and has high surface gloss and good appearance.
Owner:INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS

Traditional Chinese medicine feed additive for improving disease resistance of grass carp

The invention provides a feed for improving the disease resistance of a grass carp. The feed is characterized by comprising soybean cake, wheat meal, shell meal, fish meal, table salt, rice bran, fish oil, betaine, traditional Chinese medicine feed premix additive, zinc-containing polypeptide, zinc-containing microelement additive, vitamin mixture additive at least containing vitamin C, vitamin E and inositol, yeast and amino acid mixture additive at least containing threonine. The feed provided by the invention can improve the immunity of the organism of the grass carp and protect the grass carp from getting sick; the application of antibacterial chemical medicines and anti-virus chemical medicines is reduced to a certain degree, the survival rate of the grass carp is increased, and the activity of lysozyme and superoxide dismutase in the grass carp is improved; and moreover, the feed ensures little drug residue and low toxicity, and does not influence the quality of the grass carp or harm the human health.
Owner:黄冈新希望饲料科技有限公司

Anti-mite antibacterial polyester staple fiber and preparation method thereof

The invention relates to insoluble inorganic anti-mite antibacterial polyester staple fiber which is prepared from micron-scale heat accumulation anti-mite ceramic powder and silver-loaded nano titanium dioxide composite antibacterial powder through an esterification polymerization spinning mode or prepared by making the powder into masterbatch and mixing with polyether slices and spinning, wherein the micron-scale heat accumulation anti-mite ceramic powder is prepared from 2-6 parts of Tai Chi stone, 5-12 parts of boric acid, 8-30 parts of clayed soil and 3-8 parts of silicic acid by mass by grinding, tabletting, calcining and high-temperature compounding; the silver-loaded nano titanium dioxide composite antibacterial powder is prepared from 1-1.5 parts of silver nitrate and sodium chloride and 3-5 parts of metatitanic acid by mass by precipitation, suction filtration, washing, drying and calcining; the anti-mite antibacterial polyester staple fiber obtained by spinning has a relatively strong antibacterial effect on staphylococcus aureus and escherichia coli, wherein the antibacterial rate is greater than or equal to 95%, and the mite proliferation inhibition rate is greater than 92%.
Owner:SHANGHAI DEFULUN CHEM FIBER

High thermal conductivity composite phase change microcapsule and preparation method thereof

The invention discloses a high thermal conductivity composite phase change microcapsule and a preparation method thereof. According to the present invention, paraffin stabilized by adopting nanoparticle as the emulsifier and a monomer form an emulsion and polymerization is performed to form the phase change microcapsule adopting the nanoparticles / polymer as the wall material and adopting the paraffin as the core material, wherein the water phase of the emulsion comprises distilled water, modified nanoparticles, an electrolyte and a water-soluble initiator, and the oil phase comprises paraffin, a monomer, a cross-linking monomer and an oil-soluble initiator; the Pickering emulsion preparation technology is used to embed the nanoparticles in the polymer wall layer and arrange densely, such that the effective heat conduction area is large, the thermal conductivity is greatly improved, and the environmental temperature can be effectively regulated; and the phase change microcapsule preparation process is simple, and has characteristics of no volatile organic solvent addition during the preparation process and the treatment process, green environmental protection, no toxicity, good theoretical significance, and good practical value.
Owner:TIANJIN CHENGJIAN UNIV

Pre-melted slag for refining ultra-low aluminum steel and preparation method and using method thereof

The invention relates to pre-melted slag for refining ultra-low aluminum steel and a preparation method and a using method thereof. The preparation method comprises the steps of firstly burdening BaO, CaO, MgO, B2O3, CaC2 and SiO2 according to a proportion, pre-melting at the temperature of 1450-1500 DEG C, cooling, then breaking into blocky materials, and packaging in a moisture-proof mode. The pre-melted slag is used for secondary refining and slagging by a ladle furnace, after pre-deoxidization of molten steel, slag pulling of a ladle and reduction treatment of residual slag, the ladle is added when the ladle is allocated and transported to a refining bay, and the pre-melted slag can be put into the ladle in the LF (ladle furnace) refining or the ladle argon blowing process. Compared with alkaline refined slag adopted in the prior art, the pre-melted slag has the advantages of absorbing Al2O3 in the steel to the greatest extent and promoting the reaction of O and Al in the steel so as to control the Al content below 0.004%; in addition, the pre-melted slag provided by the invention has the advantages of wide raw material sources, simple method and significant economic benefits and social benefits, and is favorable for reducing the cost and protecting the environment.
Owner:JIANGSU UNIV

Quick detecting method of edible vegetable oil quality

The invention discloses a quick detecting method of the edible vegetable oil quality through using an attenuated total reflection Fourier infrared spectroscopy, and the problems that the current detecting method can not verify whether the edible vegetable oil is repeatedly heated at high temperature or whether swill-cooked dirty oil is mixed in fresh edible vegetable oil can be solved. The method comprises the steps of: indicating the change of oil ingredients by fully utilizing the changes of the peak shape and the peak height of an infrared second derivative spectrometry; measuring the content of trans-fatty acids in the edible vegetable oil through absorbance of a characteristic absorption peak at 966.50cm<-1>; judging whether the edible vegetable oil is heated through the change of the characteristic peak at 988cm<-1>, and calculating the heating time; and determining whether the edible vegetable oil is swill-cooked dirty oil through the change of the characteristic absorption peak at 988cm<-1>. The quick detecting method of the edible vegetable oil quality is simple in operation, low in cost, free of pollution, high in detecting precision, and quick and accurate and can be capable of judging an edible vegetable oil sample to be detected which is repeatedly heated at the high temperature, the swill-cooked dirty oil and the swill-cooked dirty oil mixed in the fresh edible vegetable oil.
Owner:辽宁省分析科学研究院

Balance growth regulator for plant and preparation method of balance growth regulator

The invention discloses a balance growth regulator for a plant. The balance growth regulator is characterized by comprising a filling agent and at least four crop growth regulators selected from brassinolide, methyl jasmonate, auxin (heteroauxin), salicylic acid, cytokinin, gibberellic acid, abscisic acid, ethylene and triacontanol. The product disclosed by the invention is a plant growth regulator prepared from at least more than four traditional endogenous plant growth regulators, the balance growth regulator not only can be used for greatly increasing the yield, but also can be used for additionally producing dry matters, shows favorable crop disease and disadvantage resistance and is green, safe and incapable of injuring eaters.
Owner:CHONGQING SUPER SCI & TECH DEV CO LTD

Dephosphorizing agent and application thereof

ActiveCN104278124AEnvironmentally friendlyThe amount of slag is reducedSolid phasesSlag
The invention relates to a dephosphorizing agent and application thereof, belonging to the technical field of ferrous metallurgy. The dephosphorizing agent solves the problems of low dephosphorizing efficiency, high residue consumption, environment pollution and difficulty in resource comprehensive utilization in the existing calcium-oxide-based molten iron pretreatment dephosphorizing agent. The dephosphorizing agent comprises the following components in percentage by mass: 25-50% of FeOt, 20-45% of CaO, 15-30% of SiO2, 2-10% of Na2O and 3-12% of Al2O3. After being molten, the molten iron dephosphorizing can form a solid-phase / liquid-phase coexistent multiphase residue system at 1300-1400 DEG C, wherein the solid phase is a 2CaO.SiO2 phase capable of providing a place for enriching oxidized phosphorus in molten iron, so that the dephosphorizing agent has the characteristics of favorable dephosphorizing effect, low slag consumption, no fluorine and small environmental pollution and is beneficial to comprehensive utilization of dephosphorizing slag.
Owner:CENT SOUTH UNIV

Coal spontaneous combustion preventing inhibition foam material and preparation method thereof

The invention discloses a coal spontaneous combustion preventing inhibition foam material and a preparation method thereof. The coal spontaneous combustion preventing inhibition foam material belongs to the technical field of coal mine underground coal spontaneous combustion treatment. The coal spontaneous combustion preventing inhibition foam material is characterized by comprising, by weight percentage, 0.5-10% of foaming agent, 0.2-3% of foaming auxiliaries, 0.02-0.5% of thickener, 0.5-5% of inhibitor, 2.5-15% of enhancer and 66.5-96.28% of water. After being foamed, the coal spontaneous combustion preventing inhibition foam material can take foam as the carrier to effectively convey the target inhibitor and enhancer to areas complicated to handle, and generated inhibiting foam achieves multiple oxygen insulating inhibition effects on coal spontaneous combustion and further achieves the aim of preventing coal spontaneous combustion.
Owner:ANHUI UNIV OF SCI & TECH

Condensation-Crosslinking Silicone Materials

ActiveUS20110028646A1Rapid cross-linkingNot harmful to healthOrganosiliconMetal
Materials crosslinkable at room temperature by condensation are based on organosilicon compounds which cure to give permanently resilient materials, and which employ one or more compounds of the metals Li, Na, K, Mg, Ca, or Sr as catalyst.
Owner:WACKER CHEM GMBH

Method for processing Mg alloy surface

The invention discloses a method for treating Mg alloy surface. The method contains: contacting Mg alloy with defat solution, acid solution, alkaline solution and chemical conversion treating liquid in turns. The chemical conversion treating liquid is aqueous solution containing dihydric phosphate, phosphoric acid and metavanadate. The treating liquid adopted by the invention does not contain toxical material such as sexavalent chromium ion and heavy metal ion, can not harm human health, cause pollution to the environment, and is an environment-friendly treating method. The converting film on the Mg alloy is compact, causticity resistant, has good bonding force with varnish.
Owner:BYD CO LTD

Indoor air deodorant having sterilizing function and preparation method thereof

The invention provides an indoor air deodorant and a preparation method thereof. The indoor air deodorant is prepared from 1-5 parts of plant extract, 2-5 parts of hyperbranched polyamide, 2-10 parts of auxiliary A, 5-10 parts of auxiliary B and 70-90 parts of deionized water, the auxiliary A is dialcohol ether, and the auxiliary B is propylene glycol. Functions that hyperbranched polyamide can chelate ions and adsorb organic small molecules and terminated amino group adsorbs and decomposes formaldehyde are utilized, and the plant extract can effectively attack peculiar-smell ingredients in air, so that the indoor air deodorant has a sterilizing function. The indoor air deodorant is far better than pure formaldehyde removing agent and pure plant-type deodorant in air purifying function, thereby being capable of purifying indoor air more efficiently. The indoor air deodorant has the advantages of being nontoxic, free of irritant gas, free of secondary damage to human body, mild in property, free of corrosion, easy to spray, high in film forming performance and lasting in effect.
Owner:北京市科学技术研究院分析测试研究所(北京市理化分析测试中心) +1

Technology for continuously making single-component mist-solidifying silicon-ketone composition

The present invention discloses the continuous production process of one kind of mist cured single-component silicone composition. The materials for the mist cured single-component silicone composition are added into one continuous production line for reaction to produce the mist cured single-component silicone composition. The materials include polysiloxane, stuffing, plasticizer, crosslinking agent, coupling agent and catalyst; and the continuous production line includes one serial double screw extruder set, one metering unit, one cooler and one packing unit. The present invention has high production efficiency, great production capacity, low material and power consumption, low cost and stable product quality, and is suitable for industrial production.
Owner:GUANGZHOU BAIYUN CHEM IND

Strain for preventing and curing muskmelon bacteroidal spot disease and application thereof in field disease prevention

InactiveCN101215543AEffective controlPrevention is safe and reliableBiocideBacteriaPaenibacillus polymyxaMicrobiology
The invention discloses a biological prevention strain of Paenibacillus polymyxa CGMCC.No.2250 and an application in the muskmelon bacterial spot disease treatment. The provided strain of the invention and the strain and variation strain that equals the strain in the invention on the mycology can be effectively applied in the prevention of muskmelon bacterial spot disease and the prevention disposal is prior to the treatment disposal. By using the strain, the prevention is safe and reliable without harming human health and polluting environment and is good in effect, low in cost, safe in use without polluting environment and the like compared with traditional chemical prevention, which can be widely applied in the industrial or agricultural biological control field.
Owner:THE INST OF MICROBIOLOGY XINJIANG ACADEMY OF AGRI SCI

Preparation and application method of water-based paint remover

The invention discloses a preparation and application method of a water-based paint remover. The water-based paint remover consists of sodium hydroxide, a surface active agent and a composite additive. The mass fraction of sodium hydroxide is 3%-10% that of the surface active agentis 0.5%-2%, that of the composite additive is 1%-6%, and the rest is water. The surface active agent is octadecyl dihydroxy diethyl betaine; and the composite additive is composed of three of sodium lactate, sodium malate, sodium sarcosinate, natrium aceticum and sodium gluconate. The water-based paint remover disclosed by the invention has the characteristics of being efficient, environmentally-friendly, safe, nontoxic, barely corrosive and hard to volatilize, can be used for removing the paint from common metal and plastic base materials, and is simple and easy to prepare and use.
Owner:GUANGDONG UNIV OF TECH

Cyhalothrin water dispersible granule insecticide

The invention discloses a cyhalothrin moisture particulate agent insecticide for preventing agricultural cruciferae vegetable cabbage caterpillars or aphids. The insecticide is particulate agent mix-processed by cyhalothrin, auxiliary agent and filling materials, capable of rapidly disintegrating and dispersing in water to form a high suspending and stable disperse system. The cyhalothrin moisture particulate agent insecticide belongs to insecticide for protecting plants, and is utilized for resolving the missible oil insecticide questions of low flashing, unsafe storage and transportation, bad insecticidal effect, high cost and environmental pollution. The cyhalothrin moisture particulate agent insecticide of the medicament has no floating dust during processes of producing, utilizing and packing, is safe for operators and doze not pollute environment. Compared with wettable powder, the cyhalothrin moisture particulate agent insecticide can greatly lower packing, storing and transporting cost, the medicament has great dispersity and high suspending rate in water, and cruciferae vegetable cabbage caterpillars and aphids preventing and curing rates respectively achieve 88.65-99.36% and 89.6-98.56%. Compared with the prior art, parasiticide effect of the cyhalothrin moisture particulate agent insecticide of the invention is more than one time enhanced.
Owner:张少武

Natural colorful linen

The invention discloses natural color linen, which relates to linen. The linen solves the problems of high production cost, pollution of environment, the residue of the cloth cover boiling bleaching reagent and dye which do harm to the health of users as well as high weight-loss ratio of the fabric. The problems are caused by that the current conventional flax pure cloth, the flax cotton blended cloth and the flax interwoven fabric are dyed with dye so as to obtain needed colors, and boiling bleaching is carried out to obtain good white substrate which is needed when dyeing The natural color linen is made of rescutched tow. The natural color linen is made of 10-90% of rescutched tow and 10-90% color cotton fiber according to the weight percentage. The natural color linen is made of 10-88% of rescutched tow, 10-88 % color cotton fiber and 2-50 % of mucilage glue, tencel yarns or true silk. The invention is not dyed, has low production cost, does no harm to the health of users, has low weight-loss ration, and does not pollute the environment.
Owner:黑龙江圆宝纺织股份有限公司

Compound microorganism bacterium agent used for sludge reduction, preparation method and application thereof

The invention relates to a compound microorganism bacterium agent used for sludge reduction, a preparation method and application of the compound microorganism bacterium agent. The compound microorganism bacterium agent is a liquid bacterium agent prepared by fermenting denitrified pseudomonas, nocardia coralline, candida utilis, rhodobacter sphaeroides and aspergillus sojae. According to the invention, the metabiosis action between microbe consortia is utilized to form a biodegradation system in which the activities of various required enzymes are all high, so dead or decrepit thalli in activated sludge can be effectively damaged and decomposed, and meanwhile, organic matters can be decomposed; and the generation quantity of excess sludge is reduced through reducing the quantity of the sludge in the process without influencing the quality of yielding water. On the premise of not greatly changing the traditional sewage treatment process, the sludge reduction ratio can reach 30%-70% in the sewage treatment process by adopting the compound microorganism bacterium agent, and the comprehensive running cost of the sludge treatment can be reduced, so that the compound microorganism bacterium agent is of great significance on the aspects of economic, environmental and social benefits.
Owner:河北协同环境科技有限公司

Passivation solution suitable for processing aluminum foil of aluminum-plastic film

The invention relates to a passivation solution suitable for processing the aluminum foil of an aluminum-plastic film. The passivation solution comprises, by weight, 100 parts of distilled water, 0.1-5.0 parts of phosphoric acid or phosphate compound, 0.2-8.0 parts of trivalent chromium compound, 0.01-2.0 parts of zirconium compound, 0.01-8.0 parts of fluoride, 0.1-30 parts of acrylic resin, 0.01-6.0 parts of crosslinking agent, 0-1.0 part of auxiliary and a certain amount of pH regulator. 8021 aluminum foil processed by the passivation solution has excellent corrosion resistance, and the processed aluminum foil combined with CPP through modified polyolefin-based glue has excellent binding force, electrolyte resistance and water resistance.
Owner:惠州市广麟材耀科技有限公司

Pesticide made from traditional Chinese medicine

InactiveCN1466879ANot harmful to human healthDoes not pollute the ecological environmentBiocideFungicidesPesticideSodium benzoate
An agricultural bactericide is prepared from seaweed, sodium benzoate, distilled water, and 11 Chinese-medicinal materials including honeysuckle flower, forsythia fruit, oriental wormwood, arnebia root, etc through crushing and decocting. Its advantages are broad spectrum, high effect, quick effect and no residual poison.
Owner:李子友

Environment friendly pressure sensitive glue composite material and its preparing method

The present invention belongs to the field of composite pasting material technology, and is especially one kind of environment friendly pressure sensitive composite adhesive material and its preparation process. The composite adhesive material is prepared with glycin paper as substrate and through solution treatment, surface coating, stoving, adding facing paper and rolling. The pressure sensitive composite adhesive material has environment friendship, high heat resistance and high antiageing performance, and may be used widely in label, advertising lamp housing, spray drawing material, etc.
Owner:上海金大塑胶有限公司

Chinese herbal toothpaste capable of diminishing inflammation and eliminating halitosis

The invention provides Chinese herbal toothpaste capable of diminishing inflammation and eliminating halitosis. The Chinese herbal toothpaste comprises 15-20 parts of concentrated Chinese herbal liquor, 40-48 parts of sorbitol, 0.5-1.2 parts of carboxymethyl cellulose, 0.18-0.3 part of saccharin, 5-10 parts of propylene glycol, 1.5-2.8 parts of sodium lauryl sulfate, 8-13 parts of silica (MIC-type), 5-8 parts of silica (H-type), 0.1-0.5 part of diazolidinylurea, and the balance deionized water. Raw materials for preparing the Chinese herbal concentrated liquor comprise 10 parts of agastache rugosa leaves, 10 parts of fortune eupatorium herbs, 15 parts of honeysuckle, 5 parts of radix glycyrrhizae, 5 parts of mint herbs, 10 parts of mulberry leaves, 10 parts of dandelion, 12 parts of radix angelica dahurica, 13 parts of hairyvein agrimonia herbs and 10 parts of dried radix rehmanniae. The Chinese herbal toothpaste has wide raw material sources, is low in cost, safe and non-toxic, has more remarkable effects in resisting bacteria, diminishing inflammation, clearing heat, reducing swelling and eliminating halitosis compared with traditional Chinese herbal toothpaste and has the effects of disinfecting the oral cavity, diminishing inflammation, relieving pain, eliminating halitosis and oral malodor and the like.
Owner:李丽芬

Bio-enzyme modified plant protein base timber adhesive and preparation method thereof

The invention discloses a bio-enzyme modified plant protein base timber adhesive and a preparation method thereof. The preparation method of the plant protein base adhesive is as below: conducting homogenization, pH adjusting, enzymolysis, pH readjusting and anti-corrosion treatment on the components of, by weight, 20-30 parts of biomass containing plant protein, 60-120 parts of water, 0.20-1.50 parts of biological enzyme, 0.3-0.8 part of acid, 0.2-2.0 parts of alkali and 0.24-1.10 parts of a preservative. The adhesive uses renewable material sources, contains no toxic or harmful substance, is green and environment-friendly, has water endurance bonding strength reaching the level of grade II adhesive (indoor), and can be used for manufacturing of various indoor man-made boards. The preparation method of the adhesive reduces the use of chemicals, and has the effects of energy saving and emission reduction; and the adhesive overcomes the problems of harm to the health of producers and users and environment pollution caused by chemicals in ordinary adhesive.
Owner:FUJIAN AGRI & FORESTRY UNIV

High-strength environment-friendly polyurethane flame-retardant and waterproof paint and preparation method thereof

The invention discloses high-strength environment-friendly polyurethane flame-retardant and waterproof paint which is prepared from a component A and a component B. The component A is prepared from, by mass, 40-60 parts of flame-retardant polyether polyol, 20-30 parts of liquefied diphenylmethane diisocyanate and 10-20 parts of chlorinated paraffin. The component b is prepared from, by mass, 10-20 parts of flame-retardant polyether polyol, 5-20 parts of arene, 10-20 parts of chlorinated paraffin, 10-20 parts of liquid vulcanizing agents, 8-16 parts of flame retardant and 30-40 parts of flame-retardant filler. The polyurethane flame-retardant and waterproof paint has excellent waterproof performance and flame-retardant performance.
Owner:成都市嘉洲新型防水材料有限公司

Implanted medical device with invalidation safety protection function

The invention discloses an implanted medical device with an invalidation safety protection function and belongs to the technical field of implanted medical instruments. The implanted medical device comprises two following functions: invalidation safety detection and invalidation safety protection. The device comprises the following components and features of the real-time detection of the safety performance of the implanted medical device, wherein the monitoring range comprises a DC (Direct Current)-DC circuit, a constant voltage / constant current pulse output circuit, an electric charge balance and electrode impedance measuring circuit, a voltage stabilizing circuit, temperature measurement and the like; fault diagnosis; the continued application of the implanted medical device after fault removal; wireless fault alarm; an automatic off function when a fault cannot be removed. The implanted medical device has the characteristics of outstanding reliability, simple implementation method, high intellectualization degree, low power dissipation, strong instantaneity and the like, the safety, the effectiveness and the reliability of the implanted medical device are greatly improved, and the invention can be widely applied to various implanted medical devices.
Owner:BEIJING PINS MEDICAL +1
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