60results about How to "Long anticorrosion time" patented technology

The invention relates to the field of insect feeding, and particularly provides artificial feed for etiella zinckenella and a preparation method of the artificial feed. The feed adopts soybean powder, corn powder and wheat germ flour as main nutritional substances, the main nutritional substances are matched with various auxiliary materials to prepare the artificial feed, the obtained feed is suitable for etiella zinckenella larva to eat, the feeding effect is better than that of a natural host, and the nutritional substances needed by the development of the etiella zinckenella larva can be satisfied in the feeding process; and moreover, the feed is long in anticorrosion time, and good in antibacterial effect, and the feed does not need to be replaced during the entire generation.

An anticorrosion asphalt paint for metal is prepared from petroleum asphalt (20-40 wt.%), solvent oil (30-50%), xylene (5-10%), rosin oil (5-10%) and green oil (5-15%). Its advantages include high adhesion, high effect on resisting water, moisture, corrosion, high temp and cracking, and easily erasing it by gasoline.

The invention relates to an antisepsis method for litchi and an application of healthy products fermented by the grapes in litchi antisepsis, belonging to a field of fruit antisepsis. The invention solves the problems that storage time of the litchi is short, or a preservative has an adverse impact on taste or appearance of the litchi or contains chemical medicines which are not beneficial for human body; besides, the invention provides an antisepsis method for the litchi and the method can be read in an instruction in detail; the method disclosed in the invention is simple and no complex device and expensive medicines are needed; the used preservative is natural beneficial components fermented by the grape without any substances harmful to human body; the litchi only needs to be soaked and does not become damaged and turns black in a long time and the coat of the litchi can keep rose color for a long time.

The invention discloses an environment-friendly rust-proof water-based cutting fluid, comprising the following components in parts by weight: 10-25 parts of alkylol amine or alkylol amine salt, 5-10 parts of silicate, 15-30 parts of sodium borate, 8-20 parts of sodium tungstate, 25-50 parts of boracic acid, 5-15 parts of sodium gluconate, 30-60 parts of a lubricating agent, 3-10 parts of a defoaming agent, 3-8 parts of a sterilizing agent, 3-6 parts of a pH modifier and 50-85 parts of water. The environment-friendly rust-proof water-based cutting fluid disclosed by the invention has cooling, cleaning and lubricating functions, and is environmentally friendly, long in service life, excellent in anti-corrosion performance and strong in stability.

The invention relates to the technical field of food packaging materials, and discloses an antiseptic for food packing paper. The antiseptic comprises 15-25wt% of succinic acid, 20-30wt of sodium hyaluronate, 10-15 parts of monoglyceride, 0.04-0.07wt% of sorbic acid, 0.05-0.1wt% of ascorbic acid, and the balance ethanol. The selection of succinic acid and sodium hyaluronate as raw materials and the matching with monoglyceride and ascorbic acid prolong the anticorrosion time, effectively inhibit the growth of bacteria, maintain the nutritional components and water of a food, and effectively prevent the corruption and the mildewing of the food; and the antiseptic has the advantages of reasonable formula, simple preparation, low cost, non-toxicity, innocuousness, and no influences on human bodies and environment.

The invention discloses a water-based brass antioxidant with benzimidazole added and good weldability. Each liter of antioxidant is prepared from the following raw materials including, by weight, 11-13 parts of 50wt.% phytic acid, 26-28 parts of 30wt.% hydrogen peroxide, 12-13 parts of polyethylene glycol, 2-4 parts of nano calcium carbonate, 3-4 parts of magnesium dihydrogen phosphate, 1-2 parts of sodium citrate, 2-3 parts of sodium carboxymethylcellulose, 8-10 parts of water-borne epoxy resin emulsion, 1.7-1.9 parts of tea polyphenol, 0.6-0.8 part of benzimidazole, 2.2-2.4 parts of gamma-chloropropyl trimethoxysilane and an appropriate amount of deionized water. The phytic acid and the hydrogen peroxide serve as main components, the phytic acid is subjected to silane coupling agent modification, then nano calcium carbonate modified through the benzimidazole and the other components are added for compatible application, the obtained antioxidant can be directly dissolved in water, the product is coated to the surface of brass and is not prone to falling off even after being subjected to repeated high temperature impact, the weldability is good, the corrosion resistant time is long, and the antioxidant and anti-discoloration capacity is high.

The invention discloses a seasoning for beef steak curried. The seasoning comprises the following raw materials in parts by weight: 3-5 parts of starch, 1-2 parts of a dark soy sauce, 1-3 parts of curry powder, 1-2 parts of white granulated sugar, 0.3-0.9 part of table salt and 0.3-0.9 part of sodium glutamate. The beef steak curried made by using the seasoning for the beef steak curried, disclosed by the invention, is good in mouth feel, easy to cook, and long in antiseptic time; besides, a preservative used in the seasoning is natural extracts, healthy and safe and has a definite seasoning function.

The invention discloses an anticorrosive metal primer. The anticorrosive metal primer is prepared from, by weight, 10-23 parts of amino resin, 14-42 parts of polyester resin, 10-18 parts of 1,2-propylene glycol-1-monobutyl ether, 11-28 parts of diethyl carbonate, 35-52 parts of 2,2-di(4-hydroxyphenyl)propane, 9-21 parts of cethyl trimethyl ammonium bromide, 13-27 parts of isoprene, 2-13 parts of ammonium stearate, 8-20 parts of triethyl acetocitrate, 5-10 parts of tetraethylenepentamine, 5-15 parts of maleic anhydride, 14-22 parts of diacetone alcohol, and 8-27 parts of ethyl alcohol. The paint prepared from the metal primer is environmentally friendly, free of toxicity, harmless to people, capable of being well combined with the metal primer and a finishing coat, high in water resistance, capable of preventing color change of a metal surface, improving the peel strength of a paintcoat and guaranteeing the anticorrosive effect, and long in anticorrosive time.

The invention discloses an anti-rust undercoat of a mine production machine. The anti-rust undercoat consists of the following raw materials in parts by weight: 67 to 79 parts of epoxy resin, 59 to 65parts of an acrylate emulsion, 3 to 9 parts of petroleum sodium sulfonate, 2 to 5 parts of organic polycarboxylic acid, 3 to 7 parts of zinc phosphate, 2 to 6 parts of zinc oxide, 6 to 12 parts of sodium polyphosphate, 3 to 6 parts of sodium tripolyphosphate, 1 to 4 parts of methyl isobutyl ketone, 4 to 8 parts of silicon carbide, 2 to 6 parts of inositol hexaphosphate, 3 to 8 parts of phenol salicylate, 1 to 6 parts of propylene glycol, 2 to 5 parts of diacetone alcohol, 1 to 8 parts of nanometer graphene, 1 to 4 parts of aluminum hydroxide powder, 0.5 to 0.9 part of aluminum stearate, 1 to4 parts of lead naphthenate, 2 to 5 parts of diatom powder, 3 to 7 parts of methyl propane, 1 to 5 parts of triethylene diamine, 2 to 5 parts of xylene, 1 to 3 parts of carbon black, 2 to 6 parts of aPH conditioning agent, 1 to 4 parts of defoaming agent, 17 to 25 parts of castor oil and 29 to 43 parts of deionized water. The anti-rust undercoat disclosed by the invention is high in adhesive force, rapid in drying, high in heat resistance, environmentally friendly and pollution-free, the excellent performance of high molecular materials inside the raw materials is improved, and the undercoatcan be preferably combined with a finishing coat.

The invention relates to an anticorrosion cement profile and an anticorrosion method of the cement profile. The anticorrosion cement profile comprises a cement piece; a supporting piece is fixed to the surface of the cement piece; a supporting layer is fixed to the supporting piece; then the supporting layer is coated with an anticorrosion material. According to the cement profile, an anticorrosion layer of the cement profile is not prone to falling off, the anticorrosion effect is better, the anticorrosion time is longer, and the cement penetration phenomenon and the situation that calcium and magnetism ions ooze out are prevented. The cement profile better facilitates anticorrosion of cement profiles located in seawater, and the problem that the salt content of seawater is high, and accordingly the cement profiles can be easily corroded is solved. According to the anticorrosion cement profile and the anticorrosion method of the cement profile, at normal temperature, in seawater, the anticorrosion life of the cement profile can be 25 years or above. The anticorrosion method is used in the production process of the cement profile and can also be used in the using process of the cement profile. The anticorrosion material can be used after being stirred, no hard blocks exist after stirring and mixing, and a uniform state is achieved.

The invention discloses a tungsten-containing and sulfur-corrosion-resistant electroplating solution as well as an electroplating method and application of the tungsten-containing and sulfur-corrosion-resistant electroplating solution, and belongs to the technical field of corrosion prevention of oil field pipes. The tungsten-containing and sulfur-corrosion-resistant electroplating solution comprises an inner-layer electroplating solution, a middle-layer electroplating solution and an outer-layer electroplating solution, wherein the main materials of the inner layer and the middle layer comprise nickel sulfate, and main materials of the outer layer comprise nickel sulfate and sodium tungstate. Meanwhile, each layer of electroplating solution further comprises an additive. The tungsten-containing and sulfur-corrosion-resistant electroplating solution provided by the invention is used for carrying out three-layer electroplating on a pipe, all the components in each layer of electroplating solution are reasonably proportioned, so that when the prepared electroplating solution is used for electroplating, the thickness of a plating layer can be increased, meanwhile, the bonding force among all the layers is good, no leakage point exists, thus the corrosion resistance time is long, and the corrosion resistance to hydrogen sulfide is good.

The invention belongs to the technical field of coatings, and discloses an anticorrosive paint as well as a preparation method and an application thereof. The anticorrosive paint comprises a component A and a component B. The component A comprises epoxy resin, zinc powder, an antirust pigment, graphene slurry, a filler and an assistant. The component B comprises modified polyamide and a diluent. By means of a cathode protection mechanism of zinc powder, the surface of the steel is prevented from being corroded; meanwhile, graphene is added into the paint, so that the permeation rate of a corrosive medium is reduced, and the corrosion resistance of the coating is improved; the graphene and the zinc powder are in lap joint to form a conductive path, the utilization rate of the zinc powder is increased, the use amount of the zinc powder can be greatly reduced, the film-forming property of the coating, the flexibility and adhesive force of the coating are improved, the salt spray resistance effect of the coating is enhanced, the corrosion resistance time of marine equipment can be prolonged when the coating is applied to the marine equipment, and the maintenance period and cost are reduced.

The invention provides a preparation method for a PH-nano steel and iron corrosion inhibitor, which includes the following steps: (1) palm wax and sodium hydroxide are respectively prepared; the mixture of absolute ethyl alcohol and deionized water is prepared; first deionized water is then prepared; (2) the prepared palm wax is heated to melt until the palm wax is clear, and the liquid palm wax is poured into a first three-neck bottle; (3) the prepared sodium hydroxide is poured into the first deionized water until the sodium hydroxide is completely dissolved, and is then poured into the first three-neck bottle loaded with the liquid palm wax, and finally, the prepared mixture of absolute ethyl alcohol and deionized water is completely poured into the first three-neck bottle. The product prepared by the method has stable properties, good physicochemical properties and long anticorrosion time, and can resist high temperature, coating is thin, guns and cannons do not need to be cleaned before being used, and the product does not have adverse effects on the performance of the guns and the cannons after shooting.

The invention relates to environmentally-friendly preservative liquid for metals. A raw material formula of the preservative liquid consists of the following components: a silane coupling agent, sodium alginate, rutin, tea saponin, water, isopropyl alcohol and an acetic acid buffer solution. The preservative liquid provided by the invention is long in corrosion protection time, wide in application range and low in cost and is green and environmentally friendly.

The invention relates to a preparation method for preparing preservative particles by tea dregs recycling and belongs to the technical field of preservative particle preparation, in order to overcome the defect that preservatives prepared in the prior art are poor in water solubility, short in acting time and prone to air oxidation leading to inactivation. The method includes: dispersing waste tea dregs for extracting organics, concentrating and drying the organics prior to preparing active anticorrosive powder, subjecting the tea dregs to hydrolysis for preparing hydrogel, subjecting hydrogel and active anticorrosive powder to composite preparation, and then performing drying and grinding to prepare the slow-release preservative particles. The preservative particles have long-time effective preservative effect on food. Preservative time of the preservative particles is prolonged by 10-15%, acting temperature can reach 10-55 DEG C, preparation steps are simple, and the preservative particles are green, environment friendly, harmless to human beings and pollution free.

The invention discloses an anti-static water-based brass antioxidant with added conductive black. Each liter of the antioxidant is prepared from, by weight, 15-17 parts of 50wt.% phytic acid, 24-26 parts of 30wt.% hydrogen peroxide, 11-14 parts of polyethylene glycol, 3-5 parts of sodium hexametaphosphate, 4-5 parts of the conductive black, 6-8 parts of ethyl acetate, 1.4-1.8 parts of sorbitan monooleate, 0.3-0.5 part of lauryl sodium sulfate, 2-4 parts of diglycolamine, 4-6 parts of malic acid, 2.6-2.8 parts of vinyl trimethoxy silane, and a proper amount of deionized water. The phytic acid and the hydrogen peroxide are used as main components, after being modified by a silane coupling agent, the phytic acid is mixed with the modified conductive black and other components, and the obtained antioxidant is resistant to high temperature and static; and the attachment force is high and the anti-rust effect is good when the antioxidant is smeared on the surface of brass, the corrosion resistant time is long, and the color changing preventing performance is good.

The invention belongs to the field of surface treatment of T-shaped components of ships, and particularly discloses a surface treatment technology for a T-shaped component of a ship. The technology includes the following steps that pretreatment of the surface of the T-shaped component is performed, and pretreatment includes degreasing treatment, surface refining treatment and rusting treatment; protective film treatment is performed and includes spraying of a protective inner layer film and coating of the protective inner layer film; anti-corrosion liquid treatment is performed, specifically,the treated component is immersed in an anti-corrosion tank containing the anti-corrosion liquid, and the temperature of the anti-corrosion tank is kept at 20-20 DEG C for 5-20 min; and after the component treated by the anti-corrosion liquid is dried, anti-corrosion finish paint is sprayed to the surface of the component, and surface treatment is completed. According to the technology, the T-shaped component is subjected to surface pretreatment, protective film treatment and anti-corrosion liquid treatment, so that multiple layers of compact protective films are formed on the surface of the component, the corrosion prevention time is prolonged, the relatively good corrosion prevention purpose is achieved, and the characteristics of seawater corrosion resistance and the like of the T-shaped component are achieved.