33results about How to "Meet anti-rust requirements" patented technology

The invention relates to a dusting cleaning antirusting agent and a preparation method thereof. The dusting cleaning antirusting agent comprises the following components in percentage by weight: 4.5 to 10 percent of tetrasodium ethylenediamine tetraacetate, 1 to 4.5 percent of sodium polyacrylate, 2.5 to 7.5 percent of heterogeneous alcohol ether, 0.8 to 3 percent of fatty alcohol-polyoxyethyleneether (AEO)-3, 2.5 to 12 percent of propylene glycol monomethyl ether, 0.8 to 3 percent of triazine bacteriacide and the balance of water. The dusting cleaning antirusting agent is suitable for spraying and ultrasonic cleaning; parts processed by the dusting cleaning antirusting agent are not needed to be rinsed and are high in cleanness, the surfaces of the parts do not have granule residues andwhite dirt residues, and the brightness of the parts can be increased; and the dusting cleaning antirusting agent has long service life and low concentration, and the antirusting period is 5 to 10 days. The dusting cleaning antirusting agent is safe, environment-friendly and low in cost, made of widely and readily available raw material, and is suitable for large-scale production.

The invention relates to a thin and long and flexible volatile rust preventive material, in particular to a use of volatile rust preventive paper. The volatile rust preventive paper is used as a paper rope which has rigidity and can be used for being placed into a thin and long tubular inner cavity and preventing rust for tubular devices. The novel rope-shaped volatile rust preventive material can meet a rust preventing protecting requirement for small-diameter metal pipe inner cavity. The volatile rust preventive material has certain flexibility and rigidity, can be inserted into a pipe inner cavity easily, and is suitable for bent tubular metal products, wide in application range and convenient to operate.

The invention relates to a water base rust preventive for a filter, which comprises 50 to 60 weight parts of hydroxyalkyl starch, 40 to 50 weight parts of acetic ester starch, 80 to 100 weight parts of aqueous fluorocarbon emulsion, 300 to 350 weight parts of water, 55 to 75 weight parts of polyfluortetraethylene emulsion, 8 to 10 weight parts of micron or nanometer zinc powder, 40 to 50 weight parts of isopropanol and 20 to 30 weight parts of acetone, wherein the hydroxyalkyl starch is ethoxyl starch or hydroxypropyl starch; the aqueous fluorocarbon emulsion is multipolymer of fluorothene and an oxhydryl vinyl ether, the weight percentage concentration of fluorin is from 8 percent to 11.5 percent, and a main chain comprises fluorin atoms. A preparation method comprises traditional methods of mixing, heating stirring and ultrasonic dispersion. The rust preventive has the advantages of good antirust effect, high temperature resistance, favorable adhesive attraction to polyester powder coatings, and the like and can satisfy the antirust requirements of a metal outer casing and a treaded cover plate of the filter. The preparation method is technically simple and uses less equipment.

The invention discloses a method for preparing a metal cutting fluid with high extreme pressure resistance. The method for preparing the metal cutting fluid with high extreme pressure resistance comprises the following steps of: 1) synthesizing diethanolamine-boric acid-polycarboxylic acid complex ester, namely performing esterification reaction of diethanolamine, polycarboxylic acid and boric acid in a molar ratio of 3:1:1 at the temperature of 150 to 155 DEG C for 2 to 4 hours; 2) synthesizing diethanolamine-boric acid-maleic anhydride complex ester, namely performing esterification reaction of diethanolamine, maleic anhydride and boric acid in a molar ratio of 3:1:1 at the temperature of 150 to 155 DEG C for 2 to 4 hours; 3) raising the temperature of water to 70 to 80 DEG C, sequentially adding lead naphthenate, oleic acid, barium petroleum sulfonate, triethanolamine, borax, sodium silicate and nitrobenzoic acid under stirring, continuing to stir for 20 to 40 minutes, reducing the temperature to 50 to 60 DEG C, adding sodium molybdate and boric acid under the condition of constant stirring, stirring for 20 to 30 minutes, adding methylsilicone oil, and stirring for 10 to 20 minutes; and 4) mixing products obtained in step 1)-3), and stirring at the temperature of 50 to 60 DEG C for 60 to 90 minutes to obtain the metal cutting fluid.

The oil-free anti-rust and blackening agent and its preparation method and application relate to the technical field of metal surface treatment, wherein the above-mentioned oil-free anti-rust and blackening agent comprises the following components: 1-20 parts by weight of copper chloride, tungsten Potassium acid 2-30 parts by weight, ammonium thiosulfate 1-15 parts by weight, water-based epoxy modified acrylic resin dispersion 50-300 parts by weight, water-based polyaniline dispersion 5-50 parts by weight, citric acid 5-50 parts by weight 2-50 parts by weight of oxalic acid, 0.5-10 parts by weight of disodium hydroxyethylidene diphosphonate and appropriate amount of deionized water. After using the oil-free antirust blackening agent for blackening treatment, it can meet the antirust performance requirements in most cases even without oil immersion treatment.

The invention discloses an antirust fluid for an inner cavity of a metal part. The anti-rust fluid is prepared from the following raw materials in parts by weight: 3-4 parts of critic acid, 2-3 parts of triethanolamine, 2-3 parts of petroleum sodium sulfonate, 1-2 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium molybdate, 30-34 parts of ethanol, 2-3 parts of etidronic acid, 3-4 parts of 2-butoxy-ethanol, 1-2 parts of isopropanol, 10-12 parts of ethoxylated trimethylolpropane triacrylate, 1-2 parts of ethylene diamine tetraacetic acid (EDTA) disodium, 4-5 parts of assistant and 300 parts of water. A film can be formed on the metal surface by using polymer resin and a chelating agent, so as to play air-isolation and anti-oxidation roles; meanwhile, an antirust agent can be firmly adhered, so that the anti-rust effect is long; the ingredients such as volatile acid, heavy metal ions, sodium nitrite and the like do not exist, so that the antirust fluid is free of residual rust slag, free of pollution, low in cost and good in economic benefits, and can be applied to rust control of inner cavity parts of a car of cast iron and steel materials in batches; the anti-rust requirements of the cast iron or steel parts of the car are met.

The invention discloses a multifunctional alkaline cleaning agent. The raw material composition of the multifunctional alkaline cleaning agent comprises, by weight, 2-5 parts of potassium carbonate, 2-5 parts of sodium gluconate, 0.5-5 parts of cocoanut fatty acid diethanolamide, 2-5 parts of sodium dodecylbenzene sulfonate, 5-10 parts of monoethanolamine borate, 5-10 parts of dipropylene glycol methyl ether, 5-10 parts of penetrants, 0.5-5 parts of solubilizers, and 10-20 parts of HEDP-4Na, and water is used for complementing to 100 parts. A steel product treated through the cleaning agent has the high surface cleanliness, no oil dirt residue, and no scrap iron, rust deposit and dust particle residue are achieved, the steel product after being cleaned can still meet interprocess rust prevention, the surface brightness of the steel product can be increased, the using cycle is long, the using concentration is low, and the rust prevention period is up to 10-20 days; the safe and environmental protection effects are achieved, the multifunctional alkaline cleaning agent is harmless to a human body, raw materials are wide in sources and easy to obtain, the cost is low, and the multifunctional alkaline cleaning agent is suitable for mass production.

The invention discloses a metal cutting fluid with high extreme pressure resistance, which comprises the following components in part by weight: 16 to 18 parts of barium petroleum sulfonate, 10 to 12 parts of lead naphthenate, 8 to 10 parts of oleic acid, 22 to 28 parts of triethanolamine, 2 to 3 parts of boric acid, 4 to 6 parts of sodium molybdate, 0.5 to 1 part of methyl silicone oil, 3 to 5 parts of borax, 10 to 12 parts of diethanolamine boric acid polycarboxylic acid composite ester, 8 to 10 parts of diethanolamine boric acid maleic anhydride composite ester, 2 to 3 parts of sodium silicate, 3 to 5 parts of nitrobenzoic acid, and 40 to 50 parts of water. A method for synthesizing the diethanolamine boric acid polycarboxylic acid composite ester comprises the step that diethanol amine, polycarboxylic acid and boric acid are subjected to esterification reaction for 2 to 4 h at 150 to 155 DEG C at a mole ratio of 3:1:1. Another method for synthesizing the diethanolamine boric acid maleic anhydride composite ester comprises the step that diethanol amine, maleic anhydride and boric acid are subjected to esterification reaction for 2 to 4 h at 150 to 155 DEG C at a mole ratio of 3:1:1.

The invention relates to a self-bacteriostasis general emulsion cutting fluid and a preparing method thereof. The components of the emulsion cutting fluid includes, by weight, 50-70 parts of base oils, 7-25 parts of non-ionic surface active agents, 4-10 parts of anion surface active agents, 3-10 parts of monoisopropanolamines, 3-5 parts of compound corrosion inhibitors, 4-15 parts of extreme pressure antiwear agents, 0.01-0.3 parts of defoaming agents, 1 part of ethylene diamine tetraacetic acid, and 2-6 parts of alkyl alanine surface active agents. According to the self-bacteriostasis general emulsion cutting fluid, an organic triethylhexanoin process is adopted, cutting fluids produced has strong cooling characteristics, lubricity and rust protection, and is easy to wash, defects of heavy loading water-soluble cutting fluids in rust protection and odor aspects in use are avoided, simultaneously, bacteriacides are replaced by the alkyl alanine surface active agents, therefore strong bacteriostatic capacity for bacteria, fungi and molds can be achieved without adding special bacteriacides into products, service life of products is prolonged, and cost of products is reduced.