CN113910118A - Three-dimensional abrasive cloth - Google Patents
Three-dimensional abrasive cloth Download PDFInfo
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- CN113910118A CN113910118A CN202111276133.8A CN202111276133A CN113910118A CN 113910118 A CN113910118 A CN 113910118A CN 202111276133 A CN202111276133 A CN 202111276133A CN 113910118 A CN113910118 A CN 113910118A
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- Prior art keywords
- abrasive
- substrate
- dimensional
- abrasive cloth
- modified
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a three-dimensional abrasive cloth which comprises a substrate, an adhesive layer compounded on the substrate, a base material compounded on the adhesive layer and an abrasive layer compounded on the base material, wherein a plurality of three-dimensional abrasive blocks with gaps are formed on the surface of the abrasive layer, the abrasive layer consists of modified polyurethane resin, epoxy resin, anhydride curing agent, modified organic silicon rubber, diamond mixed abrasive, wear-resistant heat dissipation additive, fumed silica and molybdenum disulfide, and the abrasive layer has the advantages of high bonding strength, large grinding amount, long grinding time, good high temperature resistance, good wear resistance, small abrasive loss and long service life.
Description
Technical Field
The invention relates to the technical field of grinding materials, in particular to a three-dimensional abrasive cloth.
Background
Abrasive cloth is widely applied to grinding and polishing, but for the processing fields with special requirements, such as shell polishing of electronic products, automobile paint surface polishing, liquid crystal panels, hard and brittle material processing and the like, the traditional coated abrasive has the defects of easy coating blockage, low grinding efficiency, easy scratch generation, low product service life, frequent replacement of the abrasive and the like, and the processing efficiency and quality are influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a three-dimensional abrasive cloth.
In order to achieve the purpose, the invention provides a three-dimensional abrasive cloth which comprises a substrate, an adhesive layer compounded on the substrate, a base material compounded on the adhesive layer and an abrasive layer compounded on the base material, wherein a plurality of three-dimensional abrasive blocks with gaps are formed on the surface of the abrasive layer, and the abrasive layer is composed of the following raw materials in percentage by weight:
the preparation method of the three-dimensional abrasive cloth comprises the following steps:
(1) the substrate, the adhesive layer and the base material are combined and connected together to form a semi-finished product;
(2) mixing modified polyurethane resin, epoxy resin, anhydride curing agent, modified organic silicon rubber, diamond mixed abrasive, wear-resistant heat dissipation additive, fumed silica and molybdenum disulfide, and dispersing in an ultrasonic or stirring manner to form slurry;
(3) placing the dispersed slurry into a concave structure die with a certain regular arrangement through roller coating or gravure;
(4) and (3) attaching the semi-finished product to a mold, heating and curing to enable the slurry to be cured and transferred to a substrate, and forming an abrasive layer with a repeated abrasive block structure on the substrate.
Preferably, the modified polyurethane resin consists of the following raw materials in percentage by weight:
the preparation method of the modified polyurethane resin comprises the following steps:
uniformly mixing polyurethane resin, ammonium zirconium carbonate and biferrocenyl alcohol, stirring and reacting for 60-120 min at 70-75 ℃, cooling to room temperature, adding water, stirring for 60-120 min, distilling, adding modified montmorillonite containing phosphorus and silicon, and stirring for 50-100 min to obtain the modified polyurethane resin.
Preferably, the modified montmorillonite containing phosphorus and silicon consists of the following raw materials in percentage by weight:
the preparation method of the modified montmorillonite containing phosphorus and silicon comprises the following steps:
(1) modifying montmorillonite by using vinyl triethoxysilane;
(2) adding hydroxyethyl acrylate and triethylamine into dichloromethane, stirring uniformly, adding phosphorus oxychloride under the ice salt bath condition of 0-7 ℃, and stirring uniformly;
(3) adding the materials in the step (1) and the step (2) into dimethylformamide, heating to 50-80 ℃ under the protection of nitrogen, adding ammonium persulfate, stirring for reaction for 3-5 hours, and filtering, washing and drying after the reaction is finished to obtain the modified montmorillonite.
Preferably, the diamond mixed abrasive is formed by mixing nano graphite, diamond and ethyl cellulose and performing thermal sintering, and the surface of the diamond mixed abrasive is also formed with TiO2-MnO2-SiO2And (5) compounding the film layer.
The preparation method of the diamond mixed abrasive comprises the following steps:
(1) mixing nano graphite, diamond and ethyl cellulose according to the weight ratio of 1: 4: 3, then adding the mixture into terpineol alcohol solvent, ultrasonically dispersing for 2-3 hours, heating and stirring, then sieving by a 200-350-mesh sieve, and cooling to room temperature;
(2) carrying out thermal sintering treatment on the slurry obtained in the step (1), and naturally cooling after the thermal sintering is finished;
(3) removing organic matters accumulated on the surface of the material obtained in the step (2), and then crushing and grinding to obtain abrasive particles;
(4) cleaning and drying the abrasive particles, soaking the abrasive particles in manganese dioxide silica sol, taking out the manganese dioxide silica sol, drying the manganese dioxide silica sol, soaking the manganese dioxide silica sol in titanium dioxide sol, taking out the manganese dioxide silica sol, drying the manganese dioxide silica sol, heating to 680-700 ℃, preserving the heat for 1.5-2 hours, and then cooling to room temperature.
Preferably, the modified silicone rubber is modified by a trifluoropropyl group, a vinyl group, a phenylene group or a benzyl decaborane group.
Preferably, the wear-resistant heat dissipation additive is at least one of metal powder, metal oxide, carbide and nitride.
Preferably, the metal powder is at least one of copper powder, aluminum powder and nickel powder; the metal oxide is at least one of zinc oxide, silicon dioxide, aluminum oxide, zirconium oxide and titanium oxide; the carbide is at least one of silicon carbide, tungsten carbide and boron carbide; the nitride is at least one of titanium nitride, silicon nitride and boron nitride.
Preferably, the substrate is a sponge, foam, acrylic board, PC board, teardown or anti-slip layer.
Preferably, the adhesive layer is at least one of a high-temperature-resistant unsaturated polyester resin, a vinyl resin, a phenolic resin, a polyurethane resin, an epoxy resin and a melamine resin.
Preferably, the substrate is a non-woven fabric, a woven fabric, PET, or a sponge.
Compared with the prior art, the invention has the beneficial effects that:
1. the grinding material layer is composed of modified polyurethane resin, epoxy resin, anhydride curing agent, modified organic silicon rubber, diamond mixed grinding material, wear-resistant heat dissipation additive, fumed silica and molybdenum disulfide, and is high in bonding strength, large in grinding amount, long in grinding time, good in high temperature resistance, good in wear resistance, small in grinding material loss amount and long in service life.
2. The invention adopts the combination of the modified polyurethane resin and the epoxy resin, the bonding strength is higher, and the modified polyurethane resin has good thermal stability, better flame retardant property and aging resistance.
3. The invention adopts the wear-resistant heat dissipation additive, so that the heat resistance of the abrasive layer resin is obviously improved. In addition, the modified organic silicon rubber can resist high temperature for a long time, and has good cohesion, adhesion and toughness.
4. The diamond mixed abrasive has good chemical stability, large working temperature range and corrosion resistance, and the ethyl cellulose ensures that the diamond and the nano graphite are mixed more fully to form TiO on the surface of the diamond mixed abrasive2-MnO2-SiO2The composite film layer, Ti, Mn and Si, the diamond and C in the nano graphite form chemical bonding to form a unique composite film with a three-dimensional reticular structure, so that the diamond has the performances of metal oxides of Ti, Mn and Si, the strength and the wear resistance of the abrasive can be effectively improved, and the service performance of the abrasive layer is improved.
5. The modified polyurethane resin of the invention introduces ferrocene structure in polyurethane molecule, endows the modified polyurethane resin with excellent heat resistance, hydrolysis resistance and strength, and the modified montmorillonite containing phosphorus and silicon can quickly relieve thermal stress, delay the decomposition temperature of polyurethane and improve thermal stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a three-dimensional abrasive cloth according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a three-dimensional abrasive cloth is shown, which comprises a substrate 1, a glue layer 2 compounded on the substrate 1, a base material 3 compounded on the glue layer 2, and an abrasive layer 4 compounded on the base material 3, wherein a plurality of three-dimensional abrasive blocks with gaps are formed on the surface of the abrasive layer 4. Wherein the abrasive blocks may be pyramidal, square, or other irregular shapes.
Example 1
The utility model provides a three-dimensional type emery cloth, includes the substrate, compounds glue film on the substrate, compound substrate on the glue film and compound abrasive material layer on the substrate, the surface of abrasive material layer is formed with a plurality of and has gapped three-dimensional abrasive brick, the abrasive material layer comprises following raw materials by weight percent: 25% of modified polyurethane resin; 10% of epoxy resin; 1% of an acid anhydride curing agent; 5% of modified organic silicon rubber; 55% of diamond mixed abrasive; 1% of wear-resistant heat dissipation additive; 1% of fumed silica; 2% of molybdenum disulfide.
The modified polyurethane resin is prepared from the following raw materials in percentage by weight: 70% of polyurethane resin; 15% of modified montmorillonite containing phosphorus and silicon; ammonium zirconium carbonate 10%; 5% of dicyclopentadienyl alcohol.
The modified montmorillonite containing phosphorus and silicon is composed of the following raw materials in percentage by weight: 60% of montmorillonite; 15% of vinyl triethoxysilane; 15% of phosphorus oxychloride; 2% of hydroxyethyl acrylate; 1% of dichloromethane; 1% of triethylamine; 5% of dimethylformamide; 1 percent of ammonium sulfate.
The diamond mixed abrasive is formed by mixing nano graphite, diamond and ethyl cellulose and performing thermal sintering, and TiO is further formed on the surface of the diamond mixed abrasive2-MnO2-SiO2And (5) compounding the film layer.
The modified organic silicon rubber is organic silicon rubber modified by trifluoropropyl groups.
The wear-resistant heat dissipation additive is metal powder, and the metal powder is copper powder and aluminum powder.
The substrate is tear velour, the glue layer is unsaturated polyester resin, and the base material is non-woven fabric.
Example 2
The utility model provides a three-dimensional type emery cloth, includes the substrate, compounds glue film on the substrate, compound substrate on the glue film and compound abrasive material layer on the substrate, the surface of abrasive material layer is formed with a plurality of and has gapped three-dimensional abrasive brick, the abrasive material layer comprises following raw materials by weight percent: 28% of modified polyurethane resin; 10% of epoxy resin; 3% of an acid anhydride curing agent; 7% of modified organic silicon rubber; 45% of diamond mixed abrasive; 2% of wear-resistant heat dissipation additive; 2% of fumed silica; 3% of molybdenum disulfide.
The modified polyurethane resin is prepared from the following raw materials in percentage by weight: 75% of polyurethane resin; 14 percent of modified montmorillonite containing phosphorus and silicon; 8% of ammonium zirconium carbonate; 3% of dicyclopentadienyl alcohol.
The modified montmorillonite containing phosphorus and silicon is composed of the following raw materials in percentage by weight: 65% of montmorillonite; 10% of vinyl triethoxysilane; 12% of phosphorus oxychloride; 3% of hydroxyethyl acrylate; 2% of dichloromethane; 2% of triethylamine; 4% of dimethylformamide; 2 percent of ammonium sulfate.
The diamond mixed abrasive is formed by mixing nano graphite, diamond and ethyl cellulose and performing thermal sintering, and TiO is further formed on the surface of the diamond mixed abrasive2-MnO2-SiO2And (5) compounding the film layer.
The modified organic silicon rubber is organic silicon rubber modified by vinyl groups.
The wear-resistant heat dissipation additive is metal oxide. The metal oxide is zinc oxide, aluminum oxide and zirconium oxide.
The substrate is a PC board. The glue layer is made of vinyl resin and phenolic resin. The base material is textile cloth.
Example 3
The utility model provides a three-dimensional type emery cloth, includes the substrate, compounds glue film on the substrate, compound substrate on the glue film and compound abrasive material layer on the substrate, the surface of abrasive material layer is formed with a plurality of and has gapped three-dimensional abrasive brick, the abrasive material layer comprises following raw materials by weight percent: 25% of modified polyurethane resin; 15% of epoxy resin; 1% of an acid anhydride curing agent; 5% of modified organic silicon rubber; 50% of diamond mixed abrasive; 1% of wear-resistant heat dissipation additive; 1% of fumed silica; 2% of molybdenum disulfide.
The modified polyurethane resin is prepared from the following raw materials in percentage by weight: 80% of polyurethane resin; 10% of modified montmorillonite containing phosphorus and silicon; 5% of ammonium zirconium carbonate; 5% of dicyclopentadienyl alcohol.
The modified montmorillonite containing phosphorus and silicon is composed of the following raw materials in percentage by weight: montmorillonite 70 percent; 11% of vinyl triethoxysilane; 10% of phosphorus oxychloride; 2% of hydroxyethyl acrylate; 1% of dichloromethane; 1% of triethylamine; 2% of dimethylformamide; 3 percent of ammonium sulfate.
The diamond mixed abrasive is formed by mixing nano graphite, diamond and ethyl cellulose and performing thermal sintering, and TiO is further formed on the surface of the diamond mixed abrasive2-MnO2-SiO2And (5) compounding the film layer.
The modified organic silicon rubber is organic silicon rubber modified by phenylene group. The wear-resistant heat dissipation additive is carbide. The carbide is silicon carbide and boron carbide. The substrate is an acrylic plate. The glue layer is made of phenolic resin, polyurethane resin and epoxy resin. The substrate is PET.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a three-dimensional type emery cloth, its characterized in that includes the substrate, compounds the glue film on the substrate, compound substrate on the glue film and compound the abrasive material layer on the substrate, the surface on abrasive material layer is formed with a plurality of and has gapped three-dimensional abrasive brick, the abrasive material layer comprises following raw materials by weight percent:
2. the stereoscopic abrasive cloth according to claim 1, wherein the modified polyurethane resin comprises the following raw materials in percentage by weight:
3. the stereoscopic abrasive cloth according to claim 2, wherein the modified montmorillonite containing phosphorus and silicon comprises the following raw materials in percentage by weight:
4. the stereoscopic abrasive cloth according to claim 1, wherein the diamond-mixed abrasive is mixed with nano graphite, diamond and ethyl cellulose and is formed by thermal sintering, and TiO is further formed on the surface of the diamond-mixed abrasive2-MnO2-SiO2And (5) compounding the film layer.
5. The three-dimensional abrasive cloth according to claim 1, wherein the modified silicone rubber is a silicone rubber modified by trifluoropropyl group, vinyl group, phenylene group or benzyl decaborane group.
6. The abrasive cloth of claim 1, wherein the wear-resistant and heat-dissipating additive is at least one of metal powder, metal oxide, carbide and nitride.
7. The three-dimensional abrasive cloth according to claim 6, wherein the metal powder is at least one of copper powder, aluminum powder and nickel powder; the metal oxide is at least one of zinc oxide, silicon dioxide, aluminum oxide, zirconium oxide and titanium oxide; the carbide is at least one of silicon carbide, tungsten carbide and boron carbide; the nitride is at least one of titanium nitride, silicon nitride and boron nitride.
8. The three-dimensional abrasive cloth according to claim 1, wherein the substrate is a sponge, foam, acrylic board, PC board, teardown or anti-slip layer.
9. A three-dimensional abrasive cloth according to claim 1, wherein the adhesive layer is at least one of unsaturated polyester resin, vinyl resin, phenolic resin, polyurethane resin, epoxy resin and melamine resin.
10. The three-dimensional abrasive cloth according to claim 1, wherein the substrate is a non-woven fabric, a woven fabric, PET or sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276133.8A CN113910118B (en) | 2021-10-29 | 2021-10-29 | Three-dimensional abrasive cloth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276133.8A CN113910118B (en) | 2021-10-29 | 2021-10-29 | Three-dimensional abrasive cloth |
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| Publication Number | Publication Date |
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| CN113910118A true CN113910118A (en) | 2022-01-11 |
| CN113910118B CN113910118B (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111276133.8A Active CN113910118B (en) | 2021-10-29 | 2021-10-29 | Three-dimensional abrasive cloth |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1489652A2 (en) * | 1995-09-22 | 2004-12-22 | Minnesota Mining And Manufacturing Company | Method of modifying a surface of a semiconductor wafer |
| CN105538179A (en) * | 2015-12-24 | 2016-05-04 | 江苏锋芒复合材料科技集团有限公司 | Efficient highly abrasive emery cloth for casting and manufacturing method thereof |
| CN106272121A (en) * | 2015-05-22 | 2017-01-04 | 江苏益林金刚石工具有限公司 | A kind of diamond abrasion cloth |
| CN107030619A (en) * | 2017-05-27 | 2017-08-11 | 江苏省江南新型复合研磨材料及制品工程技术研究中心有限公司 | A kind of high-efficient grinding emery cloth and its manufacture method |
| CN107553312A (en) * | 2017-10-12 | 2018-01-09 | 河北思瑞恩新材料科技有限公司 | A kind of three-dimensional abrasive material and preparation method thereof |
| CN111843865A (en) * | 2020-07-30 | 2020-10-30 | 惠安宇信金刚石工具有限公司 | Polishing belt and preparation method and application thereof |
-
2021
- 2021-10-29 CN CN202111276133.8A patent/CN113910118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1489652A2 (en) * | 1995-09-22 | 2004-12-22 | Minnesota Mining And Manufacturing Company | Method of modifying a surface of a semiconductor wafer |
| CN106272121A (en) * | 2015-05-22 | 2017-01-04 | 江苏益林金刚石工具有限公司 | A kind of diamond abrasion cloth |
| CN105538179A (en) * | 2015-12-24 | 2016-05-04 | 江苏锋芒复合材料科技集团有限公司 | Efficient highly abrasive emery cloth for casting and manufacturing method thereof |
| CN107030619A (en) * | 2017-05-27 | 2017-08-11 | 江苏省江南新型复合研磨材料及制品工程技术研究中心有限公司 | A kind of high-efficient grinding emery cloth and its manufacture method |
| CN107553312A (en) * | 2017-10-12 | 2018-01-09 | 河北思瑞恩新材料科技有限公司 | A kind of three-dimensional abrasive material and preparation method thereof |
| CN111843865A (en) * | 2020-07-30 | 2020-10-30 | 惠安宇信金刚石工具有限公司 | Polishing belt and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN113910118B (en) | 2022-11-25 |
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