Temperature-resistant wear-resistant coating and preparation method thereof
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A wear-resistant coating and temperature-resistant technology, applied in the field of two-component epoxy adhesive, can solve problems such as glass transition temperature drop, affect product temperature resistance, and coating is easy to bond and fail, so as to improve the stress state, Facilitate facade sizing and facilitate large-scale production
Inactive Publication Date: 2014-06-04
HUBEI HUITIAN NEW MATERIALS STOCK CO LTD
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[0004] The coating is toughened and modified by CTBN modified epoxy resin as a modified epoxy resin to improve the adhesion to the substrate, but the glass transition temperature drops significan
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[0031] Component A consists of the following components:
[0045] The weight ratio of A and B components is 4:1.
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Abstract
The invention provides a temperature-resistant wear-resistant coating and a preparation method thereof, belongs to the technical field of two-component epoxy adhesives, and mainly solves the problems of poor temperature resistance and wear resistance of coatings in the prior art. The temperature-resistant wear-resistant coating is mainly composed of A and B two components, the component A comprises the following components: 10%-30% of epoxy resin, 5%-30% of modified epoxy resin, 3%-10% of a diluent, 10%-30% of silicon carbide, 1%-5% of fumed silica and 40%-70% of a high alumina ball; the component B comprises the following components: 20%-30% of a curing agent, 0%-3% of a promoter, 1%-5% of a silane coupling agent, 10%-30% of the silicon carbide, 1%-5% of the fumed silica and 40%-60% of the high alumina ball; the weight ratio of component A to component B is 4:1. The temperature-resistant wear-resistant coating has the advantages of good erosion wear resistance, simple coating process and low cost, is mainly used on the surface of a workpiece working in slurry erosion wear working conditions, and is also used in corrosion and wear surface repair.
Description
technical field [0001] The invention belongs to the technical field of two-component epoxy glue, and in particular relates to a temperature-resistant and wear-resistant coating and a preparation method thereof. Background technique [0002] With the advent of the meager profit era, more and more enterprises pay attention to energy saving and consumption reduction, and reduce production and use costs. During the mining, dressing and transportation of most steel mills and power plants, many pump bodies, volutes and pipelines are severely eroded and worn. Repairing and protecting them with wear-resistant coatings can greatly reduce the cost and increase the cost of replacement parts. service life. Therefore, epoxy resin wear-resistant coating is increasingly widely used in the repair of corroded and worn workpiece surfaces, such as turbine blades, mud pumps, ore concentrator parts, etc., because it has good erosion and wear resistance, and the coating process is simple. Low c...
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