32results about How to "New formula design" patented technology

The invention relates to anti-corrosion treating fluid for an aluminum alloy and an application method of the anti-corrosion treating fluid. A preparation method of the anti-corrosion treating fluid for the aluminum alloy comprises the following steps: (1) weighing raw materials according to the parts by weight; (2) stirring a water-based emulsion, ethyl alcohol, silane, fluozirconic acid and fluotitanic acid for 10 to 30min at the rotating speed of 200 to 400r / min, adding rare-earth salts, stirring for 5 to 10min at the rotating speed of 200 to 400r / min, adding an oxidizing agent, sodium tungstate, ammonium borofluoride, potassium fluosilicate, zinc dihydrogen phosphate, ammonium molybdate, a Gemini surface active agent and water, stirring for 15 to 25min at the rotating speed of 200 to 400r / min, and uniformly mixing to obtain the anti-corrosion treating fluid for the aluminum alloy. According to the anti-corrosion treating fluid for the aluminum alloy and the application method thereof, provided by the invention, a practical value and functional components are adopted as indexes, the optimal technological condition of the anti-corrosion treating fluid for the aluminum alloy is researched, a formula design is novel and reasonable, the treatment efficiency of the treating fluid can be remarkably improved, and the corrosion resistance of the aluminum alloy is remarkably improved.

The invention discloses a PVC composite material for a drainage pipeline and a preparation method of the PVC composite material, and relates to the technical field of drainage pipeline production formulas. A tire tread is prepared from the following raw materials, namely butadiene styrene rubber composite materials, in parts by mass: 80-95 parts of butadiene styrene rubber, 8-10 parts of phenolic resin, 3-8 parts of 2,6-di-tert-butyl-4-methylphenol, 2-5 parts of aedelforsite, 3-6 parts of magnesium carbonate, 4-8 parts of calcium stearate, 1-3 parts of trioctyltrimellitate, 1.5-4 parts of diphenyl silanediol, 2-7 parts of coumarone resin, 0.5-1.5 parts of rosin, 1-3 parts of maleic anhydride, 2-5 parts of ammonium persulfate, 1.5-3 parts of phthalic anhydride, 0.5-2 parts of sulfur and 3-8 parts of nano calcium carbonate. The PVC composite material for the drainage pipeline is easily available in raw materials, novel in formula design and simple in production process; and the obtained PVC composite material for the drainage pipeline has strong high temperature resistance, wear resistance and ageing resistance and good mechanical properties.

The invention provides a medical silicone rubber and polyvinyl acetate latex co-polymerized rubber plug and a preparation method thereof. The rubber plug comprises auxiliary silicone, polyvinyl acetate latex and a mixed solution. The preparation method comprises the following steps: separately adding the mixed solution to the auxiliary silicone and the polyvinyl acetate latex according to the ratio of 1:1.36, stirring for 10 minutes, taking 20% of mixed rubber comprising the polyvinyl acetate latex and the mixed solution to be mixed with the auxiliary silicone, stirring, adding the remaining 80% of the mixed rubber comprising the polyvinyl acetate latex and the mixed solution after 3 minutes, and continuously stirring for 2 minutes to obtain a colloid; cooling the colloid in air at the temperature of 15 DEG C for 1 day, and slicing to obtain the medical silicone rubber product, namely the rubber plug. The product prepared by the method is higher in chemical stability, free of irritation, high in safety, heat-proof and ageing-resistant, has an excellent mechanical property, and has certain medicine components compared with a common silicone rubber plug when being used as a medicinal liquid bottle plug; when the certain medicine components are combined with normal saline, components which are beneficial to a human body are volatilized, so that a medicinal liquid is prevented from being mixed with toxic components, and safety and benefits are guaranteed.

A drug packaging rubber plug prepared from casein-soybean glue is mainly prepared from auxiliary rubber, casein-soybean glue and a mixed solution which are mixed together, wherein the mixed solution is added into the auxiliary rubber and the casein-soybean glue respectively, and the specific weight of the mixed solution added into the auxiliary rubber and the mixed solution added into the casein-soybean glue is 1: 1.36; the mixtures are stirred for 10 min; 20 percent of a casein-soybean glue and mixed solution mixed glue is taken and added into the auxiliary rubber, stirring is performed, after 3 min, the rest 80 percent of the casein-soybean glue and mixed solution mixed glue is added, and stirring is continually performed for 2 min to obtain a colloid; the colloid is cooled for 1 day in air at 15 DEG C, and slicing is performed to obtain the drug packaging rubber plug. The drug packaging rubber plug has the following beneficial effects: the formula is novel in design, the raw materials can be easily obtained, and a rubber product prepared by the formula is relatively high in chemical stability, nonirritant, high in security, heat-proof, anti-aging and favorable in mechanical property and can be made into drug packaging rubber plugs of different specifications.

The invention relates to the technical field of automobile part processing, in particular to a method for preparing a pretreating agent applied to spraying of an inner wall of an automobile water tank. The method comprises the following steps of firstly adding 25 parts of furfural resin and 15 parts of water into a container, and stirring for 5 minutes; then slowly adding 1.5 parts of hydrochloric acid while stirring, and stirring for 5 minutes after the completion of the adding operation; then slowly adding 20 parts of polyacrylate emulsion and 10 parts of water while stirring, and stirring for 5 minutes after the completion of the adding operation; then slowly adding 0.3 parts of uronic acid while stirring, and stirring for 5 minutes after the completion of the adding operation; finally slowly adding 1 part of potassium chloride and 15 parts of water, and stirring for 10 minutes. The preparation method provided by the invention has the advantages that not only can the dissolving properties of all substances be improved, but also the possibility of particle agglomeration can be prevented through a method of gradually adding, therefore the pretreatment capability of the pretreating agent is significantly improved.

The invention relates to the technical field of sheet metal part machining, in particular to a phosphating method of a clamp for sheet metal part machining. The method comprises the steps that oil stains on the surface of the clamp are wiped away, and then the clamp is washed with deionized water for 10 minutes and then scrubbed with ethyl alcohol for 5 minutes; the clamp is put into a pretreatment solution preheated to 50 DEG C to be soaked for 60 minutes; after being fished out, the clamp is washed with deionized water till the pH value of the deionized water for washing is restored to be neutral; the clamp is adjusted through a titanium salt table and then put into a phosphating solution for phosphating; after being fished out, the clamp is washed with deionized water till the pH value of the deionized water for washing is restored to be neutral, and then the clamp is dried; and the clamp is put into a constant-temperature furnace to be dried for 5 hours, and the temperature in the constant-temperature furnace is 55 DEG C. The formula and a preparation method of the pretreatment solution are reasonably designed, and therefore fast forming of a phosphating film on the surface of the clamp is achieved, the thickness is uniform, and then the repeated utilization degree of the clamp is increased.

The invention relates to the technical field of aluminum profile machining, in particular to alkali corrosion treatment fluid for alkali corrosion treatment of an aluminum profile. The alkali corrosion treatment fluid is prepared from 30 parts of sodium hydroxide, 5 parts of polyvinyl acetate emulsion, 0.5 part of gastrodin, 5 parts of sodium sulphide, 5 parts of sodium carbonate, 5 parts of sorbitol and 50 parts of water. The alkali corrosion treatment fluid is novel and reasonable in compound design, especially a small amount of gastrodin is added, and therefore the treatment efficiency of the alkali corrosion treatment fluid can be remarkably improved, and the situation that hydrolysis and sediment happen due to accumulation of sodium metaaluminate can be effectively avoided so that a high-quality fine sand surface can be obtained.

The invention relates to the technical field of machining, in particular to a protective agent for heat treatment for test tool for welding part machining. The protective agent is prepared by 12 parts of polyvinyl acetate emulsion, 15 parts of laurinol polyether sodium sulfate, 0.5 part of banana oil, 0.5 part of alcohol ether glucoside, 15 parts of calcium chloride and 47.7 parts of water. The protective agent is novel and reasonable in formula design; and in particular, a small amount of alcohol ether glucoside is added, so that the treatment efficiency of the protective agent can be prominently improved. Through matching use of the protective agent, when a detector is heated in a subsequent open fire type normalizing furnace, the surface treatment is more uniform.