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

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.

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.

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.

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.

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.

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%.

A cleaner is mainly used for cleaning of fruits, vegetables and meat. The cleaner comprises: 40-50 % of bamboo vinegar powder, 0.6-1.0 % of pomegranate rind extract, 15-25 % of Artemisia argyi extract, 0.1-0.6 % of ginger protease, 10-15 % of bamboo charcoal, 10-15 % of olive charcoal and 5-10 % of sodium bicarbonate.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.