55results about How to "The ratio of ingredients is scientific and reasonable" patented technology

The invention relates to a high-strength high-toughness high-nitrogen austenitic stainless steel welding wire and a preparation method thereof. The welding wire is prepared from the alloy components in percentage by weight: less than 0.1 percent of C, less than 0.02 percent of S, less than 0.03 percent of P, 0.1 to 0.9 percent of Si, 5 to 21 percent of Mn, 15 to 23 percent of Cr, 0 to 8 percent ofNi, 0 to 5 percent of Mo, 0.2 to 0.95 percent of N, the balance Fe, and less than 0.1 percent of other impurities. The preparation process comprises the steps of smelting through an induction furnace, electro slags remelting, hot forging, hot rolling, heat treating, and drawing of the welding wire. According to the welding wire provided by the invention, the component proportion is scientific andreasonable, the content of nitrogen elements is increased, the content of manganese elements is adjusted, and the solid solubility of the nitrogen is increased, so that the prepared welding wire is stable in welding process, less in escape amount of hydrogen elements, less in blowhole defects, good in welding processability, high in deposited metal strength, excellent in impact toughness at the temperature of minus 40 DEG C, suitable for welding high-nitrogen austenitic stainless steel, particularly suitable for welding the austenitic stainless steel with the requirement on low-temperature impact toughness, and capable of being surfacing-welded so as to be used as anti-corrosion layers for other steel and iron materials.

The invention discloses a full-degradable plastic film used for far-infrared food fresh-keeping. The full-degradable plastic film is prepared from, by weight, 60 to 65 parts of corn starch, 7 to 9 parts of nano montmorillonite, 0.6 to 0.7 part of peanut oil, 1.2 to 1.4 parts of tetrabutyl titanate, 12 to 14 parts of ramie straw, 30 to 35 parts of polyvinyl alcohol, 13 to 15 parts of tributyl citrate, 5 to 7 parts of tourmaline, 2 to 3 parts of chitosan, 1.5 to 2 parts of magnesium stearate, 3 to 5 parts of polyethylene glycol, and 1 to 2 parts of talcum powder. The combination of the full-degradable plastic film is reasonable; the full-degradable plastic film can be made into food preservative film or fruit packaging bags, contains tourmaline powder, is capable of emitting far infrared ray and negative ions, and can be used for food fresh-keeping; a preparation method is convenient for industrialized control; obtained products are safe and nontoxic; complete biodegradation after discarding can be realized; and no harm is caused on the environment.

The invention relates to a corrosion inhibitor used for preventing corrosion of brass. The corrosion inhibitor is characterized by comprising the following components by weight parts: 40-70 parts of organic polymer components, 5-20 parts of azole components, 1-8 parts of dispersing components, 1-8 parts of zinc salts and 1-5 parts of sodium gluconate. A preparation method of the corrosion inhibitor comprises dissolving the organic polymer components in a solvent, firstly adding the azole components, uniformly stirring and dissolving, and then sequentially adding the dispersing components, the zinc salts and the sodium gluconate to obtain finish product. Finally, the produced corrosion inhibitor has a concentration of 10-60 mg/L. According to the invention, the corrosion inhibitor used for preventing corrosion of the brass does not contain phosphorus components, and thus does not pollute water body; meanwhile, polyaspartic acid and polyepoxysuccinic acid are added, wherein the two are high-efficient and environmental-friendly components and thus are environment-friendly products. The corrosion inhibitor is scientific and reasonable in formula, and the preparation method is simple to operate, thereby being suitable for large-scale production.

Fully-degradable plastic film having a fresh keeping function and used for packages is disclosed. The plastic film is characterized in that the plastic film is prepared from 80-85 parts by weight of polylactic acid, 25-30 parts by weight of China hemp fibers, 0.8-1 part by weight of a silane coupling agent kh-550, 20-25 parts by weight of corn starch, 12-14 parts by weight of glycerin, 1.6-2 parts by weight of epichlorohydrin, a proper amount of a sodium hydroxide solution having a concentration of 1 mol/L, a proper amount of hydrochloric acid having a concentration of 1 mol/L, a proper amount of distilled water, 5-6 parts by weight of porous starch, 1-2 parts by weight of magnesium stearate, 3-4 parts by weight of macroporous silica gel and 5-7 parts by weight of tourmaline powder; the plastic film is scientific and reasonable in component ratio, can be prepared into food fresh keeping film or fruit packaging bags, and the like, contains the tourmaline powder and other components, can emit far infrared light and negative ions, and keeps freshness for foods; a process is innovative and convenient in industrial control; and the plastic film is low in cost and wide in source and deserves popularization.

The invention discloses a novel halogen-free flame retardant modification thermoplastic elastomer data line sheath material. The novel halogen-free flame retardant modification thermoplastic elastomer data line sheath material is characterized by comprising, by weight, 100-104 parts of SEBS, 65-68 parts of paroline, 29-31 parts of polypropylene, 21-23 parts of maleic anhydride grafted polypropylene, 3-4 parts of antioxygen B215, 81-83 parts of magnesium hydroxide, 10.5-12 parts of expanded graphite, 1.6-1.7 parts of a silane coupling agent A-171, 8-9 parts of absolute ethyl alcohol, 2-3 parts of stearic acid, 9-11 parts of calcium carbonate, 2-3 parts of silicone master batch, 1-1.5 parts of zinc oxide, 5-7 parts of maleic acid and 1.5-2 parts of polyvinyl alcohol. According to the novel halogen-free flame retardant modification thermoplastic elastomer data line sheath material, a blend of the paroline modified SEBS and the polypropylene is used as a matrix, and the composition proportion is scientific and reasonable, so that the obtained product is high in tensile strength, good in thermostability, pliable, tough, good in processing fluidity, remarkable in flame retardant efficiency, free of halogen, environmentally friendly, capable of being widely applied to power lines, data lines and the like.

The invention relates to a high-performance fluororesin coating applied to coiled steel. The coating consists of the following components in parts by weight: 23-30 parts of polyvinylidene fluoride resin, 9-13 parts of thermosetting acrylic resin, 50-57 parts of an organic solvent and 1-17 parts of pigment. The coating disclosed by the invention is scientific and reasonable in ingredient proportion, relatively low in cost, better in weather fastness, solvent resistance, drug resistance, machinability and wear resistance, and excellent in adhesive force.

The invention relates to a die alloy, which comprises the following components by weight part: 2-5 parts of chromium, 10-15 parts of iron, 12-18 parts of zinc, 6-10 parts of tungsten, 12-15 parts of silicon, 8-10 parts of calcium, 2-3 parts of niobium. The die alloy has the advantages that the composition proportion is scientific and reasonable, wear resistance and intensity are high, service life is greatly prolonged, manufacture cost is reduced, and enterprise requirement can be satisfied.

The invention discloses an antibacterial aluminum alloy filter net for an air purifier. An aluminum alloy filter net casting comprises alloying components: by weight, 0.8-1.2% of C, 0.7-1.1% of Si, 2.3-2.5% of Cr, 0.25-0.45% of Mn, 0.09% or smaller of P, 0.009% or smaller of S, 1.25-1.45% of Ni, 0.35-0.55% of V, 0.15-0.19% of Ti, 0.03-0.05% of Cu, 0.05-0.09% of Nb and the balance aluminum. Due to the way that the surface is sprayed with an antibacterial coating, both the antibacterial property and the oxidation resistance are high, the service life is greatly prolonged, the manufacturing cost is reduced, and user requirements are met.

The invention relates to a die alloy, which comprises the following components by weight part: 2-5 parts of copper, 10-15 parts of iron, 12-18 parts of zinc, 6-10 parts of tungsten, 12-15 parts of silicon, 8-10 parts of calcium, 2-3 parts of niobium. The die alloy has the advantages that the composition proportion is scientific and reasonable, wear resistance and intensity are high, service life is greatly prolonged, manufacture cost is reduced, and enterprise requirement can be satisfied.

The invention discloses a fast growing wood modifier capable of achieving hydrophobicity synergetic enhancement through alkyl ketene dimers and nano titanium dioxide. The modifier is prepared from the following raw materials in parts by weight: 3 to 3.5 parts of formaldehyde, 2 to 3 parts of urea, 1.5 to 2 parts of hexamethylenetetramine, 0.02 to 0.03 part of maleic anhydride, a proper amount of acetic acid, a proper amount of ammonium hydroxide, a proper amount of deionized water, 20 to 23 parts of DMDHEU of which the solid content is 42wt%, 1.5 to 2 parts of magnesium chloride hexahydrate, 10 to 11 parts of silica sol, 3 to 4 parts of alkyl ketene dimers, 2 to 3 parts of stearic acid, 10 to 11 parts of butyl titanate, a proper amount of absolute ethyl alcohol and 4 to 5 parts of glacial acetic acid. According to the modifier, the mechanical property of the tissue structure of the fast growing wood can be improved, the size stability is improved, the modified wood has excellent hydrophobic and dampproof capacities, effective components are not liable to lose, and outdoor furniture and outdoor wood equipment manufactured through the modified wood are durable, flame-resistant and waterproof, and are high in market competitiveness.

The invention discloses a composite flame retardant and waterproof modifying agent for modification of fast-growing wood for manufacturing outdoor furniture. The composite flame retardant and waterproof modifying agent is prepared from the following raw materials in parts by weight: 3 to 3.5 parts of formaldehyde, 2 to 3 parts of urea, 1.5 to 2 parts of hexamethylene tetramine, 0.02 to 0.03 part of maleic anhydride, a proper amount of acetic acid, a proper amount of ammonium hydroxide, a proper amount of deionized water, 20 to 23 parts of DMDHEU of which the solid content is 42wt%, 1.5 to 2 parts of magnesium chloride hexahydrate, 10 to 11 parts of silica sol, 3 to 4 parts of melamine pyrophosphate, 0.8 to 1 part of 1H,1H,2H,2H-perfluorooctyltrimethoxysilane, 2 to 3 parts of ammonium dihydrogen phosphate, 2 to 3 parts of sodium silicate, a proper amount of glacial acetic acid and a proper amount of absolute ethyl alcohol. According to the composite flame retardant and waterproof modifying agent, the corrosion resistance, waterproofness, deformation resistance and crack resistance of the wood modified through the product are greatly improved, and the outdoor furniture, wooden equipment and wooden tools manufactured through the modified wood have good utilization performance and long service life.

The invention relates to a hot work die, which comprises the following components by weight part: 0.15-0.36 parts of carbon, 0.03-0.08 parts of lithium, 0.3-0.45 parts of copper, 0.06-0.18 parts of calcium, 0.1-0.5 parts of aluminum, 0.04-0.67 parts of caesium, 0.4-0.8 parts of phosphor, 0.25-0.36 parts of potassium and 95-98 parts of iron. The hot work die has the advantages that the composition proportion is scientific and reasonable, heatproof effect is good, crack phenomenon can not be generated after long-term usage, fatigue resistance is good, production cost is greatly reduced, and enterprise requirement can be satisfied.

The invention discloses wear-resisting enhancement polyurethane polystyrene foam for switch cabinet sealing. The wear-resisting enhancement polyurethane polystyrene foam is prepared from, by weight, 150-160 parts of diphenyl-methane-diisocyanate, 100-105 parts of propoxylated glycerin, 100-110 parts of castor oil, 5-6 parts of glycerin, 40-43 parts of diethyl phosphate, a proper amount of 1 mol/L sodium hydroxide solution, 13-15 parts of kieselguhr, 5-6 parts of distilled water, 2-3 parts of triethanolamine, 3-4 parts of dibutyltin dilaurate, 3-4 parts of sorbitan ester, 3-4 parts of silicon resin polyether emulsion, 3-4 parts of silicon carbide, 2-3 parts of fumed silica, 2-3 parts of EVA emulsion, 2-3 parts of polyvinyl alcohol, 1-1.5 parts of nickel powder and a proper amount of deionized water. The wear-resisting enhancement polyurethane polystyrene foam is used for switch cabinet sealing, on-site foaming can be conducted, foam cells are dense, sealing performance is high, wear resistance is high, and service life is long.

The invention relates to a die alloy, which comprises the following components by weight part: 2-5 parts of chromium, 10-15 parts of iron, 12-18 parts of zinc, 6-10 parts of tungsten, 12-15 parts of rosin, 8-10 parts of calcium, 2-3 parts of niobium. The die alloy has the advantages that the composition proportion is scientific and reasonable, wear resistance and intensity are high, service life is greatly prolonged, manufacture cost is reduced, and enterprise requirement can be satisfied.

The invention relates to a die alloy, which comprises the following components by weight part: 2-5 parts of chromium, 10-15 parts of iron, 12-18 parts of zinc, 6-10 parts of tungsten, 12-15 parts of silicon, 8-10 parts of fluorite, 2-3 parts of niobium. The die alloy has the advantages that the composition proportion is scientific and reasonable, wear resistance and intensity are high, service life is greatly prolonged, manufacture cost is reduced, and enterprise requirement can be satisfied.

The invention discloses a health care product with an effect of preventing senile dementia. The health care product is made of the following raw materials, by weight, of 5-25 parts of fructus alpiniae oxyphyllae, 5-15 parts of ginkgo, 10-30 parts of walnut, 3-9 parts of ginseng, 3-6 parts of lucid ganoderma and 4-16 parts of gastrodia elata. The health care product with the effect of preventing the senile dementia is scientific and reasonable in matching of each composition which is pure natural plant extracts, has good the plant extracts for preventing the senile dementia, is free of chemical matters and is safe in medicine taking and wide in application scope.

The invention relates to a high temperature resistant die steel. The die steel comprises, by weight, 1-3.5 parts of C, 0.05-0.08 parts of Zn, 0.013-0.025 parts of Mg, 0.057-0.086 parts of lime powder, 0.036-0.05 parts of Sn, 0.03-0.065 parts of Sb, 0.15-0.25 parts of Pb, 0.05-0.063 parts of Y and 80-95 parts of Fe. The die steel has the advantages of scientific and reasonable component proportions, strong high temperature resistance, stable performances, great prolongation of the service life, and realization of unlikely deformation, high tensile strength and high molding precision in use.

The invention discloses a whitening anti-aging traditional Chinese medicine facial mask. The traditional Chinese medicine facial mask comprises the following components by weight: 40-50 parts of a liquorice extract, 5-10 parts of carrot, 20-28 parts of pearl powder, 18-22 parts of white poria cocos, 6-8 parts of Chinese angelica, 10-15 parts of soyabean protein, and 20-25 parts of collagen. The invention further discloses a preparation method of the whitening anti-aging traditional Chinese medicine facial mask. The whitening anti-aging traditional Chinese medicine facial mask has the beneficial effects that the composition proportion is scientific and reasonable, and the liquorice extract and the pearl powder have a whitening effect, in addition, the traditional Chinese medicines have an anti-aging effect, and the liquorice extract and the pearl powder are combined with the traditional Chinese medicines, so that whitening and anti-aging are integrated; the modes of low-temperature grinding and drying and low-temperature stirring are adopted, and the molecular structure of the materials is not damaged, so that an optimal effect is achieved; the whitening anti-aging traditional Chinese medicine facial mask does not contain chemical ingredients, is suitable for long-term use and meets the daily needs; and the absorption effect of the skin is good.