Polymer wear-resistance coating material

Abstract

The invention relates to a polymer wear-resistance coating material, which is a coating material consisting of a component A and a component B, wherein the component B is a solidifier, and the weight part of the component B is 2 to 10 percent of that of the component A; the component A consists of 40 to 80 weight parts of a main ingredient which is one or more mixed in random ratio of silicon carbide, fused zirconia alumina, fused sub-white corundum, fused brown aluminium oxide, fused white corundum and fused mullite, 1 to 5 weight parts of an auxiliary material which is one or more mixed in a random ratio of asbestos powder, glass-ceramic powder, titanium white, aluminium oxide powder and mica powder, 0.5 to 2 weight parts of reinforcing agent which is one ore more mixed in a random ratio of polypropylene fibers, glass fibers and carbon fibers, and 10 to 20 weight parts of a bonding agent which is polyurethane modified epoxy resin. The construction and use of the coating material are convenient and quick, the bonding strength of the coating material is high and the use cost of the coating material is low; and the coating material has high wear resistance, corrosion resistance and air corrosion resistance.

Description

technical field [0001] The invention relates to a coating material in the field of composite materials, in particular to a wear-resistant coating material which resists erosion, wear and corrosion of fluid containing solid particles. Background technique [0002] In industries such as non-ferrous metals, metallurgy, and thermal power generation, there are fluid erosion, wear and corrosion in the working conditions of a large number of equipment spare parts. Due to the high running speed and fast line speed of the fluid, it also contains a large amount of hard particles and electrochemical Corrosion, the service life of equipment and spare parts is greatly reduced, which directly leads to an increase in the number of equipment shutdowns for maintenance, high maintenance costs, and increased work intensity of maintenance workers. At the same time, the operating efficiency of equipment is reduced, power consumption is increased, and abnormal shutdowns This leads to a substantia...

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Problems solved by technology

However, these methods have different disadvantages. Bonding ceramic sheets is difficult to construct, and ceramic sheets are easy to fall off under strong impact conditions; bonding rubber, because rubber is a non-polar substance, has low bonding strength with the substrate and is easy to bond. Delamination and bubbling; bonded cast stone slabs, cast stone slabs have poor wear resistance, and the thickness of cast stone slabs generally used is more than 1cm, so it is difficult to construct on curved surfaces, and the gaps between cast stone slabs are filled with cement, which is wear-resistant The performance is low, and the gaps are easily eroded and worn by the fluid, which affects the overall wear resistance; when the wear-resistant parts are made of high-chromium alloy and other wear-resistant materials, the wear resistance is significantly improved, but the cost is also significantly increased, which is not conducive to large-scale promotion use

The "wear-resistant ceramic coating" disclosed in Chinese patent CN101012121A selects at least one of fused brown corundum, fused sub-white corundum, fused white corundum, silicon carbide and fused mullite as the main material and Auxiliary materials, using CA50 calcium aluminate cement or pure calcium aluminate cement as a binder, "a wear-resistant ceramic coating and its preparation method" disclosed in Chinese patent CN1872919, choose corundum, silica, silicon carbide, and alumite as aggregates One or more of soil clinker, mullite, sillimanite, andalusite, kyanite, garnet, using Portland cement, high alumina cement, pure calcium aluminate cement as a binder, the above two The patent has great defects in the choice of binder. Due to the presence of water, the paint shrinkage rate is relatively large, and the bonding strength with the substrate is low. During the construction process, it is necessary to weld steel bars and reinforced steel mesh at the parts to be protected by the equipment. These are all Limits the scope of use of the coating, while reducing the wear resistance of the coating

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