Method for making abrasion-resistant copolymerized resin by using waste silicon carbide micro powder produced after solar silicon chip wire cutting
A wear-resistant copolymer resin, silicon carbide micropowder technology, applied in the direction of coating, can solve the problems of increased cost of enterprises, unfavorable environmental control, etc., to achieve high practicability, good synthesis effect, and stable products.
Inactive Publication Date: 2012-12-26
蒙特集团(香港)有限公司
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Problems solved by technology
It is not conducive to environmental control and increases the cost of enterprises. In order to meet the needs of future market demand and price competition and development, the entire industry is constantly looking for new ways to use recycled sand and reduce cutting costs.
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[0043] The preparation method of the present invention is specifically set forth below by preparing silicon carbide micropowder-containing copolymer resin:
[0044] 1. Composition ratio of copolymer resin:
[0045] 47.5 parts of methyl methacrylate
[0046] 41.5 parts of butyl acrylate
[0047] 2.5 parts of ethyl methacrylate
[0048] Acrylic acid 2.0 parts
[0049] 4.7 parts of N-methylolacrylamide
[0050] Acrylamide 1.8 parts
[0051] Initiator 4.5 parts
[0052] 300 parts of ethanol
[0053] Silicon carbide particles (particle size D500.5um~~~3um) 180 parts
[0054] 2. Copolymerization process:
[0055] a. Weigh 3 / 4 of the total amount of ethanol to dissolve the composite monomer of methylolacrylamide and acrylamide, and add it to ethanol while stirring to fully dissolve it;
[0056] B. take remaining monomer by weighing, wherein dissolve into 4 / 5 of initiator total amount;
[0057] c. Mix the above two solutions evenly, weigh half of the total amount of the mixed ...
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The invention relates to a method for making abrasion-resistant copolymerized resin by using waste silicon carbide micro powder produced after solar silicon chip wire cutting. The method comprises the following steps of: weighing a certain amount of multiple acrylate monomers, silicon carbide particles produced after silicon chip wire cutting, amino resin, surfactant and defoaming agent; and preparing an abrasion-resistant copolymerized resin and coating compound base material by certain copolymerization grafting synthesis methods and processes. The conventional blending mode for making an abrasion-resistant coating filling material by using standard silicon carbide particles is substituted by the method; and by using the method, the structure of the coating is modified by fully using renewable resources and diameter and surface structure of special particles, so that the cost of the coating is reduced, the environmental pollution caused by the waste silicon carbide micro powder is reduced, and the coating is an environment-friendly product. The prepared abrasion-resistant coating has very good re-dispersibility, blending capability, abrasion fastness, electrostatic resistance, light resistance and high moisture resistance, and has good adhesive fastness with various metallic and nonmetallic materials.
Description
technical field [0001] The invention relates to a method for making wear-resistant copolymer resin by using waste silicon carbide micropowder after wire cutting of solar silicon wafers. Background technique [0002] China's photovoltaic power generation industry has developed rapidly in the past five years, and the investment in solar silicon wafer cutting equipment has been put into operation several times and dozens of times in the past three years. The demand for cutting mortar has reached about 800-1000 tons per day. [0003] In the process of wire cutting of solar silicon wafers, the whole mechanism is to use the hard characteristics and sharp water chestnuts of silicon carbide particles to gradually cut off the silicon rods. Therefore, the main characteristic of the cutting mortar is good fluidity, and the silicon carbide particles can be evenly distributed in the cutting mortar system. Stable dispersion, evenly covering the surface of the steel wire in high-speed move...
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IPC IPC(8): C08F292/00C08F220/14C08F220/18C08F220/56C08F220/58C09D151/10C09D161/00
Inventor 励征
Owner 蒙特集团(香港)有限公司