49results about How to "Good anti-rust and anti-corrosion effect" patented technology

The invention relates to the technical field of petroleum demulsifiers and their preparation, and relates to a demulsifier for treating heavy oil and a preparation method thereof. The raw materials of the former include polyoxyethylene polyoxypropylene block copolymers, ketoacids, acetylenic alcohols and water. The oxyethylene polyoxypropylene block copolymer is mixed and dissolved with keto acid, acetylenic alcohol and water after being heated in a reactor to obtain a demulsifier for treating heavy oil. The demulsifier for treating heavy oil of the present invention has the characteristics of fast demulsification speed and good water quality after separation, especially can solve the corrosion problem of equipment containing acid demulsifier products, and has better antirust and anticorrosion effects. The preparation process of the present invention is simple, convenient for large-scale production, and the demulsifier for treating heavy oil has excellent demulsification effect and dehydration performance. At the same time, the raw materials do not contain sulfur, phosphorus, aromatic rings, chlorine and other substances harmful to human body and environment, which meet the requirements of The concept of safe and environmentally friendly production.

The invention provides a preparation method of an anti-corrosion coating. Through fluorinated polysiloxane in the primer, the anti-corrosion coating has good adhesion to a base and has good hydrophobicity. An inorganic filler can enhance the corrosion resistance of the anti-corrosion coating and provide a micron-scale surface. Nanometer hydrophobic particles in a fabric can enhance the hydrophobicity of the anti-corrosion coating. The nanometer particles interpenetrate with the micron-scale surface in the primer so that an uneven microscopic hydrophobic structure is formed and the hydrophobicity is further improved. The silane coupling agent can enhance the identity of the nanometer hydrophobic particles and the system so that dispersion is more uniform. The invention also provides a multifunctional anti-corrosion display frame. The interiors of mounting holes and through holes of the display frame are spray-coated with anti-corrosion coatings for preventing rust corrosion caused by long-term retention of water and prolonging the service life of the display frame.

A semi-enclosed space coating equipment for construction industrialization, including a pipe clamping device, a pipeline internal walking device and a pipe inner wall coating device, the pipe clamping device can clamp and loosen the pipe, and the pipe inner wall coating device includes pipe inner wall grinding Department, pipeline inner wall spraying department, while the pipeline internal walking device reciprocates inside the pipeline, the pipe inner wall coating device can sequentially polish and spray the inner wall of the pipeline. In the present invention, the pipe is clamped by the pipe clamping device. The internal walking device of the pipe and the pipe inner wall coating device are located on the inner side of the pipe. Through the use of the present invention, the steps of first polishing and then spraying make the painting surface of the pipe inner wall smoother. The coating layer is not easy to fall off, has a longer service life, better anti-rust and anti-corrosion effects, and does not need the internal running device of the pipeline to return to its original position before processing the replaced pipe, which improves the spraying processing efficiency.

The invention provides an emulsified oil for mine hydraulic support, which is composed of the following substances according to the mass percentage: 15.0%-20.0% of mineral base oil, 8.0%-10.0% of boric acid, 10.0%-12.0% of triethanolamine, and 10.0% of sodium petroleum sulfonate %~11.0%, benzotriazole 0.5%~0.8%, ethylene glycol 20.5%~22.5%, urea 13.5%~15.5%, EDTA-tetrasodium 6.0%~8.0%, sodium hydroxide 1.0%~1.5% , The balance is water. The emulsified oil has good freeze-thaw properties, anti-wear, anti-extreme pressure, anti-rust and anti-corrosion properties, and can meet the conditions of the hydraulic support in the harsh environment of the underground.

The invention discloses calcium sulfonate complex grease and a preparation method thereof. The calcium sulfonate complex grease comprises the following components in percentage by weight: 15 to 50% of high-alkalinity sulfonate, 21 to 83.7% of base oil, 1 to 5% of conversion accelerating agent, 0.1 to 4% of glacial acetic acid, 0 to 4% of alkyl benzene sulfonic acid calcium salt, 0.1 to 4% of lime, 0.1 to 4% of boric acid and 0 to 4% of fatty acid and 0 to 4% of aromatic acid. The alkyl benzene sulfonic acid or alkyl benzene sulfonate is seleceted from the group of one or more than one C6 to C16 alkyl benzene sulfonic acid calcium salt, or heavy alkyl benzene sulfonic acid calcium salt. The preparation method comprises the steps of: uniformly stirring the high-alkalinity sulfonate, the conversion accelerating agent and partial base oil by utilizing an ordinary pressure kettle; then adding a glacial acetic acid water solution at normal temperature, fast stirring, heating to 60 to 100DEG C and maintaining the reaction for 30 to 90min; adding a lime emulsion, a boric acid hydrothermal solution, the alkyl benzene sulfonic acid or alkyl benzene sulfonate, the fatty acid and / or aromatic acid and maintaining the temperature to 90 to 120 DEG C and the reaction for 30 to 90min; dewatering, heating to 130 to 160 DEG C, and keeping the reaction for 10 to 30min; and cooling and carrying out postprocessing. The invention can ensure that the products can be settled for a long term without hardening; the preparation technology is simple; and the preparation method has no special requirement on equipment.

The invention relates to an anti-corrosion coating, in particular to an epoxy glass flake heavy-duty coating and a preparation method thereof. The epoxy glass flake heavy-duty coating is prepared by mixing and curing a component A and a component B. The epoxy glass flake heavy-duty coating can be coated on the surface of a steel structure, and can be taken as a primer together with an epoxy zinc-rich primer. When taken as a finish coat, the anti-corrosion coating has high antirust and anti-corrosion performance. As proved by detection, a paint film does not become foamed or rusty when the salt spray resistance reaches 5,000 hours and has high weather resistance, and the coating and maintaining costs of a steel structure can be lowered. The production method of the epoxy glass flake heavy-duty coating does not need post-treatment, so that the process method is simple, energy is saved, and the cost is low. The component A and the component B can be automatically dried into a film at normal temperature after being uniformly mixed, so that high film forming performance is realized, and the product has high storing stability.