CN102229693A - Method for making abrasion-resistant copolymerized resin by using waste silicon carbide micro powder produced after solar silicon chip wire cutting - Google Patents
Method for making abrasion-resistant copolymerized resin by using waste silicon carbide micro powder produced after solar silicon chip wire cutting Download PDFInfo
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- CN102229693A CN102229693A CN 201010296852 CN201010296852A CN102229693A CN 102229693 A CN102229693 A CN 102229693A CN 201010296852 CN201010296852 CN 201010296852 CN 201010296852 A CN201010296852 A CN 201010296852A CN 102229693 A CN102229693 A CN 102229693A
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Abstract
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
The present invention relates to a kind of method of making wear-resisting copolymer resins with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back.
Background technology
The development in nearly 5 years of China's photovoltaic generation industry is swift and violent, and the solar power silicon sheet cutting equipment drops into putting into operation of several times of nearly three year's harvest and tens times, and the demand of wherein cutting mortar has reached about 800---1000 ton/sky.
In solar silicon wafers line cutting process, whole mechanism is to utilize the rigid characteristic of silicon-carbide particle and sharp water caltrop that silicon rod is progressively blocked, the main characteristic of therefore cutting mortar has good flowability, silicon-carbide particle can the cutting mortar in uniform and stable dispersion, be coated on the steel wire surface in the high-speed motion equably, the silicon-carbide particles that make of uniform and stable act on the silicon rod surface, in time take away cutting heat and crushed particles simultaneously, guarantee the surface quality of silicon chip.
Development along with whole sun power industry, a large amount of carbonization silica sand material that use in the cutting of solar silicon wafers line, and the regeneration recovery technology is introduced simultaneously in a large number, and the little sand of silicon carbide after 20% one 25% the cutting is arranged approximately in removal process each time, can not reclaim to use and as offal treatment again.Be unfavorable for environment control and cause the increase of enterprise cost that in order to adapt to the competition development need of future market demand and price, whole industry is using and reduce cutting cost and ceaselessly seek new approach at the sharp reclaimed sand for how all.
Summary of the invention
The objective of the invention is: a kind of method of making wear-resisting copolymer resins with solar silicon wafers line cutting back depleted silicon carbide micro-powder is provided.
Realize that technical scheme of the present invention is: a kind of method of making wear-resisting copolymer resins with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back; Take by weighing the acrylic ester monomer and the silicon chip line cutting back silicon-carbide particles of a certain amount of multiple structure, use monomer copolymerization grafting synthetic method to make wear-resisting copolymer resins and the composite base-material of coating, add the service performance that certain amount of surfactant, defoamer are improved composite base-material again;
One. the composition ratio of wear-resisting copolymer resins:
Select for use by three kinds in methyl methacrylate, Jia Jibingxisuanyizhi, butyl acrylate, Octyl acrylate, butyl methacrylate, vinylformic acid, N hydroxymethyl acrylamide, the acrylamide monomer or the multiple compound monomer of forming, the composition ratio of each integral part is:
100 parts of compound monomers
Initiator 0.35～～～0.65 part
Ethanol 120～～～450 part
Silicon-carbide particles (particle diameter D500.2um～～～6um) 5～～～200 parts
Two. synthesis route:
A. take by weighing ethanol total amount 3/4 and be used to dissolve n-methylolacrylamide and acrylamide compound monomer, be added to while stirring in the ethanol, make it fill a part dissolving;
B. take by weighing all the other compound monomers, wherein dissolve in 4/5 of initiator total amount;
C. above-mentioned two kinds of solution are mixed, half that takes by weighing this mixing solutions total amount joins in the copolymerization apparatus for converting, agitator is started in heating, the condensing reflux system, when solution temperature to be mixed reaches 75 ℃～80 ℃ appearance backflows, pick up counting, keeping under the condition of reflux temperature with 3～5 hours and under abundant agitation condition, adding and account for half silicon-carbide particles of compound monomer total amount with special device;
D. under the above-mentioned c. condition through 3～5 hours after, with mixing solutions second half through special device with remaining half silicon-carbide particles in 1～2 hour and keep finishing under the reflux conditions interpolation process;
E. continue to keep after 3～5 o'clock remaining 1/4 pure and mild residue 1/5 initiator mixed solution being appended in the synthesizer under the reflux temperature condition, the period added in 20～45 minutes again;
F. continue reaction after 1.5～2.5 hours, discharging when stopping heated and stirred and being cooled to 30 ℃～40 ℃;
Three. the composition proportioning of wear-resistant paint:
5～30 parts of silicon carbide-containing micro mist copolymer resins
5～60 parts of vinyl acetic monomers
3～10 parts of ethanol
3～20 parts in butanols
Dyestuff an amount of (account for whole glue total amounts 0.5%～3%)
Pigment an amount of (account for whole glue total amounts 0%～20%)
Silica flour (particle diameter＜0.2um) an amount of (account for whole glue total amounts 0%～2.0%)
Tensio-active agent an amount of (account for whole glue total amounts 0.01%～0.5%)
Defoamer an amount of (account for whole glue total amounts 0.01%～0.5%)
Above-mentioned wear-resistant paint; Coat-thickness 20um～～～during 100um, bake out temperature; 60 ℃～～～80 ℃, drying time; 2～～10 minutes, under the temperature condition 12～～～24 hours;
Four. the composition proportioning of composite base-material:
5～30 parts of silicon carbide-containing micro mist copolymer resinses
10～60 parts of vinyl acetic monomers
3～10 parts of ethanol
3～10 parts in butanols
2～40 parts of amino phenol urea formaldehydes
Above-mentioned wear-resisting composite base-material is mainly used in the surface abrasion resistance hot setting occasion of heatproof, hard base material, coat-thickness 50um～～～during 300um, bake out temperature; 120 ℃～～～300 ℃, drying time; 10～～～30 minutes.
Above-mentioned a kind of used depleted silicon carbide micro-powder particle diameter of making the method for wear-resisting copolymer resins with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back be D50 (0.2um～～～6um).
Above-mentioned a kind of method of making wear-resisting copolymer resins of the discarded silicon carbide micro-powder in solar silicon wafers line cutting back take by weighing the mixing solutions total amount at the adding method of silicon-carbide particles described in synthesis route c. half join in the copolymerization apparatus for converting, agitator is started in heating, the condensing reflux system, when solution temperature to be mixed reaches 78 ℃ of appearance backflows, pick up counting, keeping under the condition of reflux temperature with 3.5 hours and under abundant agitation condition, adding half silicon-carbide particles of monomer total amount with special device.
Silicon-carbide particles adding method d. described in the synthesis route of above-mentioned a kind of method of making wear-resisting copolymer resins of the discarded silicon carbide micro-powder in solar silicon wafers line cutting back under the above-mentioned c condition through 3～5 hours after, with mixing solutions second half through special device with remaining half silicon-carbide particles in 1.0 hours and keep finishing under the reflux conditions interpolation process;
Above-mentioned a kind of method of making wear-resisting copolymer resins with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back is grafted to the silicon carbide micro-powder surface with copolymer resins and forms interpolymer of monomer copolymerization polymer and silicon carbide micro-powder composition in whole synthesis route when monomer copolymerization.
The present invention has positive effect: (1) the present invention replaces the conventional mode that is mixed of making the wear-resistant paint stopping composition of the standard silicon carbide particulate, use the present invention can make full use of renewable resource and special particles particle diameter and surface tissue and come the modified paint structure, thereby reducing product cost and reduce the environmental pollution that discarded silicon carbide micro-powder causes, is a kind of Green Product; (2) the present invention adopt particle diameter D50 (0.2um～～～6um) silicon-carbide particles and the synthetic copolymerization of multiple monomer make wear-resisting copolymer resins, the silicon carbide differential of all waste all can be used basically, and be applied widely; (3) the present invention is grafted to silicon carbide micro-powder surface with copolymer resins with silicon carbide micro-powder when the monomer copolymerization and forms interpolymer of monomer copolymerization polymer and silicon carbide micro-powder composition in whole synthesis route, synthetic effect is good, product is stable, has advantages of high practicability.
Embodiment
Specifically set forth making method of the present invention below by preparation silicon carbide-containing micro mist copolymer resins:
One. the composition ratio of copolymer resins:
47.5 parts of methyl methacrylates
41.5 parts of butyl acrylates
2.5 parts of Jia Jibingxisuanyizhis
2.0 parts in vinylformic acid
4.7 parts of N hydroxymethyl acrylamides
1.8 parts of acrylamides
4.5 parts of initiators
300 parts of ethanol
Silicon-carbide particles (particle diameter D500.5um～～～3um) 180 parts
Two. the copolymerization synthesis technique:
A. take by weighing ethanol total amount 3/4 and be used to dissolve n-methylolacrylamide and acrylamide compound monomer, be added to while stirring in the ethanol, make it fill a part dissolving;
B. take by weighing all the other monomers, wherein dissolve in 4/5 of initiator total amount;
C. above-mentioned two kinds of solution are mixed, half that takes by weighing this mixing solutions total amount joins in the copolymerization apparatus for converting, agitator is started in heating, the condensing reflux system, when solution temperature to be mixed reaches 75 ℃～80 ℃ appearance backflows, pick up counting, keeping under the condition of reflux temperature with 3.5 hours and under abundant agitation condition, adding and account for half silicon-carbide particles of monomer total amount with special device;
D. under the above-mentioned c. condition through 3.5 hours after, with mixing solutions second half through special device with remaining half silicon-carbide particles in 1.0 hours and keep finishing under the reflux conditions interpolation process;
E. continue to keep after 3.0 hours remaining 1/4 pure and mild residue 1/5 initiator mixed solution being appended in the synthesizer under the reflux temperature condition, the period added in 30 minutes again;
F. continue reaction after 2.0 hours, discharging when stopping heated and stirred and being cooled to 35 ℃;
Three. the composition proportioning of wear-resistant paint:
25 parts of silicon carbide-containing micro mist copolymer resinses (48% solid content)
50 parts of vinyl acetic monomers
10 parts of ethanol
15 parts in butanols
0 part of dyestuff
0 part of pigment
Silica flour (particle diameter＜0.2um) 0.15 part
0.25 part in tensio-active agent
0.15 part of defoamer
Above-mentioned wear-resistant paint; When coat-thickness 60um, bake out temperature; 76 ℃, drying time; 5 minutes.
Four. the composition proportioning of composite base-material:
25 parts of silicon carbide micro-powder copolymer resinses
35 parts of vinyl acetic monomers
5 parts of ethanol
10 parts in butanols
25 parts of amino phenol urea formaldehydes
Above-mentioned wear-resisting composite base-material is mainly used in the surface abrasion resistance hot setting occasion of heatproof, hard base material, when coat-thickness 150um, and bake out temperature; 135 ℃, drying time; 20 minutes.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. method of making wear-resisting copolymer resins with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back; It is characterized in that: the acrylic ester monomer and the silicon chip line cutting back silicon-carbide particles that take by weighing a certain amount of multiple structure, use monomer copolymerization grafting synthetic method to make wear-resisting copolymer resins and the composite base-material of coating, add the service performance that certain amount of surfactant, defoamer are improved composite base-material again;
One. the composition ratio of wear-resisting copolymer resins:
Select for use by three kinds in methyl methacrylate, Jia Jibingxisuanyizhi, butyl acrylate, Octyl acrylate, butyl methacrylate, vinylformic acid, N hydroxymethyl acrylamide, the acrylamide monomer or the multiple compound monomer of forming, the composition ratio of each integral part is:
100 parts of compound monomers
Initiator 0.35～～～0.65 part
Ethanol 120～～～450 part
Silicon-carbide particles (particle diameter D500.2um～～～6um) 5～～～200 parts
Two. synthesis route:
A. take by weighing ethanol total amount 3/4 and be used to dissolve n-methylolacrylamide and acrylamide compound monomer, be added to while stirring in the ethanol, make it fill a part dissolving;
B. take by weighing all the other compound monomers, wherein dissolve in 4/5 of initiator total amount;
C. above-mentioned two kinds of solution are mixed, half that takes by weighing this mixing solutions total amount joins in the copolymerization apparatus for converting, agitator is started in heating, the condensing reflux system, when solution temperature to be mixed reaches 75 ℃～80 ℃ appearance backflows, pick up counting, keeping under the condition of reflux temperature with 3～5 hours and under abundant agitation condition, adding and account for half silicon-carbide particles of compound monomer total amount with special device;
D. under the above-mentioned c. condition through 3～5 hours after, with mixing solutions second half through special device with remaining half silicon-carbide particles in 1～2 hour and keep finishing under the reflux conditions interpolation process;
E. continue to keep after 3～5 o'clock remaining 1/4 pure and mild residue 1/5 initiator mixed solution being appended in the synthesizer under the reflux temperature condition, the period added in 20～45 minutes again;
F. continue reaction after 1.5～2.5 hours, discharging when stopping heated and stirred and being cooled to 30 ℃～40 ℃;
Three. the composition proportioning of wear-resistant paint:
5～30 parts of silicon carbide-containing micro mist copolymer resins
5～60 parts of vinyl acetic monomers
3～10 parts of ethanol
3～20 parts in butanols
Dyestuff an amount of (account for whole glue total amounts 0.5%～3%)
Pigment an amount of (account for whole glue total amounts 0%～20%)
Silica flour (particle diameter＜0.2um) an amount of (account for whole glue total amounts 0%～2.0%)
Tensio-active agent an amount of (account for whole glue total amounts 0.01%～0.5%)
Defoamer an amount of (account for whole glue total amounts 0.01%～0.5%)
Above-mentioned wear-resistant paint; Coat-thickness 20um～～～during 100um, bake out temperature; 60 ℃～～～80 ℃, drying time; 2～～10 minutes, under the temperature condition 12～～～24 hours;
Four. the composition proportioning of composite base-material:
5～30 parts of silicon carbide-containing micro mist copolymer resinses
10～60 parts of vinyl acetic monomers
3～10 parts of ethanol
3～10 parts in butanols
2～40 parts of above-mentioned wear-resisting composite base-materials of amino phenol urea formaldehyde are mainly used in the surface abrasion resistance hot setting occasion of heatproof, hard base material, coat-thickness 50um～～～during 300um, bake out temperature; 120 ℃～～～300 ℃, drying time; 10～～～30 minutes.
2. a kind of method of making wear-resisting copolymer resins with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back according to claim 1 is characterized in that: used depleted silicon carbide micro-powder particle diameter be D50 (0.2um～～～6um).
3. a kind of method of making wear-resisting copolymer resins according to claim 1 and 2 with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back, it is characterized in that: half that takes by weighing the mixing solutions total amount at the adding method of silicon-carbide particles described in synthesis route c. joins in the copolymerization apparatus for converting, agitator is started in heating, the condensing reflux system, when solution temperature to be mixed reaches 78 ℃ of appearance backflows, pick up counting, keeping under the condition of reflux temperature with 4 hours and under abundant agitation condition, adding half silicon-carbide particles of monomer total amount with special device.
4. a kind of method of making wear-resisting copolymer resins according to claim 1 and 2 with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back, it is characterized in that: the adding method of silicon-carbide particles described in synthesis route d. under the above-mentioned c condition through 3～5 hours after, with mixing solutions second half through special device with remaining half silicon-carbide particles in 1.0 hours and keep finishing under the reflux conditions interpolation process;
5. a kind of method of making wear-resisting copolymer resins according to claim 1 and 2 with the discarded silicon carbide micro-powder in solar silicon wafers line cutting back, it is characterized in that: in whole synthesis route, when monomer copolymerization, copolymer resins is grafted to the silicon carbide micro-powder surface and forms monomer copolymerization polymer and interpolymer of silicon carbide micro-powder composition.
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| CN 201010296852 CN102229693B (en) | 2010-09-29 | 2010-09-29 | Method for making abrasion-resistant copolymerized resin by using waste silicon carbide micro powder produced after solar silicon chip wire cutting |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060014898A1 (en) * | 2004-07-16 | 2006-01-19 | Taylor Made Golf Company, Inc. | Composition for use in golf balls and sports equipment |
| CN101016591A (en) * | 2007-03-08 | 2007-08-15 | 北京科技大学 | Method of preparing SiCp/Al composite material with complicated shape and high volume percent ratio |
| CN101104559A (en) * | 2007-07-24 | 2008-01-16 | 山东金鸿集团有限公司 | Carbon fibre enhanced reaction sintering silicon carbide ceramic and preparation method thereof |
| CN101357847A (en) * | 2008-08-29 | 2009-02-04 | 中国科学院上海硅酸盐研究所 | Organic carbon source for pouring and molding silicon carbide aqueous gel and molding technique |
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2010
- 2010-09-29 CN CN 201010296852 patent/CN102229693B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060014898A1 (en) * | 2004-07-16 | 2006-01-19 | Taylor Made Golf Company, Inc. | Composition for use in golf balls and sports equipment |
| CN101016591A (en) * | 2007-03-08 | 2007-08-15 | 北京科技大学 | Method of preparing SiCp/Al composite material with complicated shape and high volume percent ratio |
| CN101104559A (en) * | 2007-07-24 | 2008-01-16 | 山东金鸿集团有限公司 | Carbon fibre enhanced reaction sintering silicon carbide ceramic and preparation method thereof |
| CN101357847A (en) * | 2008-08-29 | 2009-02-04 | 中国科学院上海硅酸盐研究所 | Organic carbon source for pouring and molding silicon carbide aqueous gel and molding technique |
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Denomination of invention: Method for making abrasion-resistant copolymerized resin by using waste silicon carbide micro powder produced after solar silicon chip wire cutting Effective date of registration: 20150203 Granted publication date: 20121226 Pledgee: East Co. Ltd. Pledgor: Monte group (Hongkong) Limited Registration number: 2015990000090 |
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