31results about How to "No rust spots" patented technology

A high efficient antirust which consists of the following component by weight ratio: water 200-300 share, orthophosphoric acid 80-160 share, sodium nitrate 0.5-4 share, zinc oxide 1-6 share, ammonium bichromate 1-5 share, tertiary sodium phosphate 1-8 share, sodium molybdate 0.01-1 share, hydroxypropyl methylcellulose 1-8 share, divinyl ether 1-4 share. It's high efficient antirust with great performance, strong penetrability and strong adhesive power.

The invention discloses an anti-flash-rust agent for water-based paint and a preparation method of the anti-flash-rust agent. The anti-flash-rust agent is formed by compounding imidazoline ionic liquid, triazole ionic liquid, quaternary ammonium salt ionic liquid, organic phosphate, alkynol and deionized water according to the mass ratio of 20-60 : 20-60 : 20-60 : 4-25 : 4-25 : 1000. According tothe method, a uniform and compact adsorption film is easily formed on the metal surface, electrochemical corrosion on the metal surface is effectively prevented, and the effect of inhibiting corrosionis achieved. The anti-flash-rust agent is applied to the water-based paint, the anti-flash-rust performance is good, the use amount is small, and it can be guaranteed that rust spots do not appear onthe metal surface only by adding 0.7 to 1.2 wt% of the anti-flash-rust agent.

Five degree of freedom butt joint tightness debugging equipment provided with a connector is characterized in that a connecting device is arranged at one end of a machine frame, and the end of the machine frame is provided with a fixed connector. The connecting device comprises a lifting device, a cross axial movement device and a rotating device. The machine frame which is used for driving the connecter to lift up and down, move in a cross mode and rotate in a horizontal mode is provided with an angle turnover device of the five degree of freedom butt joint tightness debugging equipment which is provided with the connector. A turnover plate is provided with a connecting structure which is used for connecting the other end of the connector. The five degree of freedom butt joint tightness debugging equipment provided with the connector has the advantages of freely rotating around six shafts, being capable of imitating deviation produced by the connector when a work object is connected through butt joint, accurately controlling deviation of an angle and displacement and clearly mastering the size of the adjustment of the angle due to the fact that an adjustment stick is adopted, and being high in reliability. Due to the fact that the whole equipment is connected through stainless screws, and stainless pins which match with the stainless screws are arranged, the five degree of freedom butt joint tightness debugging equipment provided with the connector is easy to dismantle and reset, guarantees assembling accuracy, is good in stability and free from producing rusty spots due to the fact that the whole equipment except of a circular dividing table and a cross-shaped working table is made of 2 Cr13 stainless materials.

An aqueous emulsion type rust-removing and anti-rust liquid is prepared from H3PO4, Al powder, NH4NO3, Alk(SO4)2, and water through proportioning, mixing H3PO4 with Al powder, reaction to obtain aluminium phosphate solution, mixing it with others, and regulating pH value to 0.5-1. Its advantages are high effect, no damage to human body, and no environmental pollution.

The invention relates to a marine anti-corrosion inorganic coating and a preparation method thereof. The marine anti-corrosion inorganic coating comprises a beta-dicalcium silicate ceramic layer formed on a base material. In the marine anti-corrosion inorganic coating and the preparation method thereof, the beta-dicalcium silicate ceramic layer is hardened when making contact with water to form C-S-H gel, the later-period strength is large, dicalcium silicate is low in hydration heat, small in air shrinkage, resistant to temperature, resistant to freezing, good in size stability, resistant tochemical erosion and good in abrasion resistance, and thus the marine anti-corrosion inorganic coating can protect marine facilities such as ship bodies for a long time to prevent the marine facilities from being corroded.

The invention relates to the antirust agent technology field, and concretely relates to an aqueous paint printing ink anti-flash-rust agent, a preparation method therefor and applications. The anti-flash-rust agent is composed of the following raw materials, by weight, 0.5-20% of imidazoline compounds, 1-10% of alkyl benzotriazol, 0-15% of nitrite, 1-8% of EDTA compound and 0.1-5% of alkylamine, the balance being deionized water. For the anti-flash-rust agent, rust points are not easy to generate, and the antirust performance is good. For the preparation method, the technology is simple, processing is convenient, the production cost is low, and the method facilitates large-scale production. The anti-flash-rust agent is applied in aqueous paint printing ink, the dosage is low, printing ink is not easy to generate rust points after construction, and the antirust performance is good.

The invention provides a packaging material with high adhesive force on magnesium-aluminum alloy and a preparation method of the packaging material. The packaging material is prepared from a main agent A and a curing agent B, wherein the main agent A is prepared from the following components in parts by weight: 35 to 80 parts of an acrylic monomer, 10 to 30 parts of a toughening agent, 5 to 15 parts of a phosphate functional monomer, 1 to 10 parts of an accelerant, 1 to 5 parts of a stabilizer, 0.1 to 3 parts of a corrosion inhibitor and 0.1 to 3 parts of a silane coupling agent; the curing agent B is prepared from 5 to 50 parts of an initiator, 30 to 80 parts of a toughening agent and 0.5 to 5 parts of a thickening agent. The phosphate functional monomer and the corrosion inhibitor are added into the main agent A, the phosphate functional monomer can increase the adhesive force of the structural adhesive oo the magnesium-aluminum alloy, the corrosion inhibitor can reduce corrosion ofthe structural adhesive on the magnesium-aluminum alloy, and the packaging and corrosion inhibition effects on the magnesium-aluminum alloy are improved through the combined action of the phosphate functional monomer and the corrosion inhibitor.

The invention discloses a double-layer chemical nickel plating solution and process for improving corrosion resistance of a magnesium-containing aluminum alloy. The nickel plating solution comprises a neutral fluorine-containing chemical nickel plating solution which comprises the following components: sodium hypophosphite, basic nickel carbonate, ammonium citrate, lactic acid, ammonium acetate, ammonium bifluoride and the balance of water. The double-layer chemical nickel plating process comprises the following steps: 1) performing zinc dipping treatment on the magnesium-containing aluminum alloy twice; 2) performing neutral fluorine-containing chemical nickel plating treatment on the aluminum alloy after performing the zinc dipping treatment twice; and 3) performing high-phosphorus chemical nickel plating treatment on the aluminum alloy after the treatment in the previous step. According to the process disclosed by the invention, the zinc dipping treatment is firstly performed on the magnesium-containing aluminum alloy twice, the neutral fluorine-containing chemical nickel plating treatment and the high-phosphorus chemical nickel plating treatment are further performed, a salt spray test is performed on a workpiece after the treatment for 24-28h, and the results show that no rust points appear on the surface of the workpiece and the corrosion resistance is very good; furthermore, the phenomenon of decomposition of the plating solution is avoided in the nickel plating process; and in addition, after double-layer nickel plating treatment, a plated layer has relatively strong binding force with a matrix of the workpiece.

The invention discloses a self-lubricating non-stick molten aluminum environment-friendly coating, a coating film and a preparation method of the self-lubricating non-stick molten aluminum environment-friendly coating. The preparation method comprises the following steps of mixing a silane coupling agent containing amino or epoxy groups, deionized water and tetramethylammonium hydroxide, and carrying out ultrasonic dispersion and hydrolysis to prepare a polysiloxane oligomer aqueous solution I; conducting stirring continuously, and sequentially adding dipropylene glycol butyl ether, boron nitride, talcum powder, low-temperature glass powder and Al2O3 for dispersing; adding gas-phase SiO2 for dispersing so as to prepare water-based slurry II; and mixing the polysiloxane oligomer aqueous solution I and the slurry II, and carrying out ultrasonic dispersion to prepare the self-lubricating non-stick molten aluminum environment-friendly coating. The coating film prepared from the coating hasthe advantages of stability, reliability, no toxicity, no powder falling, cracking, discoloration and gasification on the surface at 800 DEG C, self-lubricating property, no adhesion of molten aluminum, capability of being used as an environment-friendly, clean and efficient release agent for cast aluminum, the simple preparation process, convenience in construction, environmental friendliness and the like.

The invention discloses a corrosion-resistant cutting fluid which is composed of the following components in parts by mass: 10-15 parts of polyvinyl alcohol, 5-10 parts of stearic acid, 3-6 parts of triethanolamine, 5-8 parts of sodium carbonate, 3-5 parts of sodium cumenesulfonate, 120-140 parts of diluted cucumber juice, 1-3 parts of preservative, 0.1-0.5 part of bactericide, 0.1-0.3 part of softener and 0.03-0.06 part of defoaming agent. By selecting excellent materials and adopting the scientific processing method, the corrosion-resistant cutting fluid solves the problems of corrosion, deterioration and smelliness for the machine tool in the past cutting fluid, and can prevent the corrosion, cavitation corrosion and scaling on the machine tool internal surface and form a protective layer. The corrosion-resistant cutting fluid has favorable cooling and lubricating effects, generates fewer precipitates in the use process, and ensures the workpieces to be clean and acceptable. Nitrites and phosphorus and sulfur compounds are eliminated in the product formula, and the cucumber juice is added; and thus, the product is green and environment-friendly. The properties of the product are not changed; and the product has the advantages of high economy, low cost, no toxicity and no adverse effect on skin.

Suspension hook (1) for plants, comprising a plate-like body (12) provided with a support (3) which is of stub-like design and on which a bobbin (5) bearing plant cord can be held. There are locking means (9) for fixing the plant cord with respect to the suspension hook (1) and thus supporting the plant in question. A suspension part (2) is present for securing to the surroundings.