CN110922096A - Diamond gasket and preparation method thereof - Google Patents
Diamond gasket and preparation method thereof Download PDFInfo
- Publication number
- CN110922096A CN110922096A CN201911293214.1A CN201911293214A CN110922096A CN 110922096 A CN110922096 A CN 110922096A CN 201911293214 A CN201911293214 A CN 201911293214A CN 110922096 A CN110922096 A CN 110922096A
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- parts
- diamond
- plasticizer
- zinc oxide
- thermosetting resin
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/12—Lapping plates for working plane surfaces
- B24B37/14—Lapping plates for working plane surfaces characterised by the composition or properties of the plate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/12—Lapping plates for working plane surfaces
- B24B37/16—Lapping plates for working plane surfaces characterised by the shape of the lapping plate surface, e.g. grooved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
- B24B37/245—Pads with fixed abrasives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/12—Condensation polymers of aldehydes or ketones
- C04B26/125—Melamine-formaldehyde condensation polymers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00362—Friction materials, e.g. used as brake linings, anti-skid materials
Abstract
The invention discloses a diamond gasket and a preparation method thereof, wherein the diamond gasket is characterized by comprising the following components in parts by weight: 1-20 parts of engineering plastic, 1-20 parts of thermosetting resin, 1-20 parts of plasticizer, 5-35 parts of diamond, 10-40 parts of silicon carbide, 10-40 parts of zinc oxide, 5-35 parts of cerium dioxide and 0.5-10 parts of curing agent. The invention aims to overcome the defects in the prior art, and provides the diamond gasket which has simple components and reasonable matching, can improve the forming rate of products, reduce the using amount of solvents and reduce the using amount of diamonds, thereby greatly reducing the production cost and improving the bonding and grinding capacities of the products.
Description
Technical Field
The invention relates to the field of polishing materials, in particular to a diamond gasket; the invention also relates to a method for preparing the diamond gasket.
Background
Along with the wide use of the glass shell of the mobile phone in recent years, the demand of the diamond gasket polished by the mobile phone shell is also obviously increased, the requirement on the diamond grinding pad is higher and higher, the grinding pad produced by the original production method has poor cohesiveness, is not anti-blocking, and has high raw material cost and high consumption; in addition, the resin used in the prior art has poor molding, large solvent consumption, strong volatility, large diamond consumption, high production cost and short service life of products.
Therefore, the existing diamond pad is to be further improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the diamond gasket which has simple components and reasonable matching, can improve the forming rate of products, reduce the using amount of solvents and reduce the using amount of diamonds, thereby greatly reducing the production cost and improving the bonding and grinding capacities of the products.
Accordingly, another object of the present invention is to provide a method of manufacturing a diamond pad.
In order to achieve the above object, the present invention adopts the following aspects:
a diamond gasket is characterized by comprising the following components in parts by weight:
1-20 parts of engineering plastic, 1-20 parts of thermosetting resin, 1-20 parts of plasticizer, 5-35 parts of diamond, 10-40 parts of silicon carbide, 10-40 parts of zinc oxide, 5-35 parts of cerium dioxide and 0.5-10 parts of curing agent.
As another improvement of the diamond gasket, the diamond gasket comprises the following components in parts by weight:
5-15 parts of engineering plastic, 5-15 parts of thermosetting resin, 5-15 parts of plasticizer, 10-25 parts of diamond, 15-30 parts of silicon carbide, 15-30 parts of zinc oxide, 10-25 parts of cerium dioxide and 3-6 parts of curing agent.
As another improvement of the diamond gasket, the diamond gasket comprises the following components in parts by weight:
10 parts of engineering plastic, 10 parts of thermosetting resin, 10 parts of plasticizer, 20 parts of diamond, 25 parts of silicon carbide, 20 parts of zinc oxide, 20 parts of cerium dioxide and 5 parts of curing agent.
As another improvement of the diamond pad, the invention also comprises 0.1-1 weight part of defoaming agent.
As a further improvement of the engineering plastic, the engineering plastic is one or a mixture of more than two of polyethylene, polypropylene, polyvinyl chloride, polystyrene, ABS, polyamide, polycarbonate, poly tetrachloroethylene, polymethyl methacrylate and POX.
As a further improvement of the thermosetting resin, the thermosetting resin is one or a mixture of more than two of melamine formaldehyde resin, furan resin, polybutadiene resin, organic silicon resin and PRE.
As a further improvement of the plasticizer, the plasticizer is one or a mixture of more than two of dioctyl phthalate DOP, dibutyl phthalate DBP and epoxy octyl stearate.
As a further improvement of the curing agent, the curing agent is one or a mixture of more than two of m-phenylenediamine, diaminodiphenyl sulfoxide, acrylonitrile modified ethylenediamine, 2-methylimidazole, dodecenyl succinic anhydride and MSY.
As a further improvement of the polyester resin of the present invention, the dibasic acid is isophthalic acid or adipic acid; the dihydric alcohol is neopentyl glycol or ethylene glycol.
In terms of the production method, in order to achieve the above object, the present invention adopts the following scheme,
a method of making a diamond shim, comprising the steps of:
A. putting zinc oxide and cerium dioxide into a drying oven, and drying for 3-5 hours at 80-120 ℃; sieving with 120 mesh sieve;
B. adding diamond and silicon carbide into the bowl, mixing and grinding uniformly, adding the zinc oxide and the cerium dioxide in the step A, and grinding uniformly; grinding, and sieving with 80 mesh sieve to obtain grinding material;
C. putting engineering plastics, thermosetting resin and plasticizer into a container, uniformly stirring, then putting into an oven, drying for 1-3 hours at 50-70 ℃, and taking out;
D. adding engineering plastics, thermosetting resin and a plasticizer into the container in the step C in batches in sequence, and uniformly stirring to obtain mixed slurry;
E. melting the curing agent into liquid by using a heat preservation pot, adding the liquid into the mixed slurry obtained in the step D, and uniformly stirring to obtain abrasive slurry;
F. adding the abrasive slurry obtained in the step E into a die and carrying out blade coating;
G. putting the die coated in the step F into an oven to be dried for 0.8-1.2 hours at the temperature of 90-130 ℃;
H. and D, taking out the die dried in the step G, putting the die on a hydraulic press to press patterns, and drying the patterns in the air.
As another improvement of the preparation method of the diamond gasket, the step H also comprises a step I solidification process after drying.
As another improvement of the preparation method of the diamond gasket, the step I also comprises the following step J after solidification: cutting the solidified product into a preset size and packaging.
The POX is epoxy resin, wherein RAKU-POX 22-1010A normal temperature curing epoxy resin can be obtained from New blue Material science and technology (Nantong) Co; the PRE is a PRE-catalyzed waterborne epoxy resin available from Guangdong Diamond coatings, Inc.; the MSY is commercially available from Xiamen Meisiya Industrial and trade Co.
In summary, compared with the prior art, the invention has the beneficial effects that:
the invention has simple components, uses thermosetting resin for consolidation forming to manufacture products with the anti-blocking function, increases silicon carbide to reduce the cost of the products, is formed by a mould and reduces consumption.
The invention can improve the forming rate of the product, reduce the usage amount of the solvent and reduce the usage amount of the diamond, thereby greatly reducing the production cost and improving the bonding and grinding capabilities of the product.
The invention utilizes the characteristic of thermosetting resin, and is pressed and formed by a high-strength hydraulic patterned roller in a semi-cured state, so that the special-shaped product with the anti-blocking half-body trapezoid shape can be produced. Compared with phenolic resin, the thermosetting resin has better flexibility and good flexibility. The product of the invention is mainly made of superfine powder, is mainly used for thinning glass, has better grinding performance, can polish the product while thinning, and reduces the production procedures of the product.
Drawings
FIG. 1 is a schematic flow chart of a method of manufacturing a diamond shim according to the present invention.
Detailed Description
The invention will be further described with reference to the following embodiments:
example 1
A diamond gasket comprises the following components in parts by weight:
10 parts of POX, 10 parts of PRE, 10 parts of dioctyl phthalate DOP, 20 parts of diamond, 25 parts of silicon carbide, 20 parts of zinc oxide, 20 parts of cerium dioxide and 5 parts of MSY.
Example 2
A diamond gasket comprises the following components in parts by weight:
1 part of polyethylene, 1 part of melamine formaldehyde resin, 1 part of epoxy octyl stearate, 5 parts of diamond, 10 parts of silicon carbide, 10 parts of zinc oxide, 5 parts of cerium dioxide and 0.5 part of m-phenylenediamine.
Example 3
A diamond gasket comprises the following components in parts by weight:
20 parts of a mixture of polyethylene and polypropylene, 20 parts of a mixture of melamine formaldehyde resin and furan resin, 20 parts of dibutyl phthalate DBP, 35 parts of diamond, 40 parts of silicon carbide, 40 parts of zinc oxide, 35 parts of cerium dioxide, and 10 parts of a mixture of 2-methylimidazole and dodecenyl succinic anhydride.
Example 4
A diamond gasket comprises the following components in parts by weight:
20 parts of polyvinyl chloride, 20 parts of organic silicon resin, 20 parts of dioctyl phthalate DOP, 5 parts of diamond, 40 parts of silicon carbide, 40 parts of zinc oxide, 35 parts of cerium dioxide and 0.5 part of diaminodiphenyl sulfoxide.
Example 5
A diamond gasket comprises the following components in parts by weight:
10 parts of a mixture of polyethylene, ABS and polymethyl methacrylate, 20 parts of a mixture of melamine formaldehyde resin, furan resin, polybutadiene resin and organic silicon resin, 15 parts of dioctyl phthalate DOP, dibutyl phthalate DBP and epoxy octyl stearate, 30 parts of diamond, 15 parts of silicon carbide, 20 parts of zinc oxide, 15 parts of cerium dioxide, and 6 parts of a mixture of m-phenylenediamine, diaminodiphenyl sulfoxide, acrylonitrile modified ethylenediamine, 2-methylimidazole and dodecenyl succinic anhydride.
Example 6
A diamond gasket comprises the following components in parts by weight:
20 parts of polymethyl methacrylate, 1 part of furan resin, 10 parts of epoxy octyl stearate, 20 parts of diamond, 30 parts of silicon carbide, 25 parts of zinc oxide, 20 parts of cerium dioxide and 1 part of 2-methylimidazole.
Example 7
A diamond gasket comprises the following components in parts by weight:
15 parts of a mixture of polyethylene, polypropylene, polyvinyl chloride, polystyrene, ABS, polyamide, polycarbonate, polytetrachloroethylene, polymethyl methacrylate and POX, 10 parts of a mixture of melamine formaldehyde resin, furan resin, polybutadiene resin, silicone resin and PRE, 15 parts of a mixture of dioctyl phthalate DOP, dibutyl phthalate DBP and octyl epoxy stearate, 10 parts of diamond, 20 parts of silicon carbide, 15 parts of zinc oxide, 30 parts of cerium dioxide, m-phenylenediamine, diaminodiphenyl sulfoxide, acrylonitrile modified ethylenediamine, 2-methylimidazole, dodecenyl succinic anhydride, 2 parts of MSY and 0.1 part of polyoxypropylene glycerol ether.
Example 8
A diamond gasket comprises the following components in parts by weight:
15 parts of poly tetrachloroethylene, 8 parts of organic silicon resin, 16 parts of dioctyl phthalate DOP, 8 parts of diamond, 18 parts of silicon carbide, 26 parts of zinc oxide, 35 parts of cerium dioxide, 8 parts of diaminodiphenyl sulfoxide and 1 part of polydimethylsiloxane.
The diamond shim of examples 1-6 was made by any one of the methods of examples 9-10. The diamond pads of examples 7-8 were prepared by the method of example 11.
Example 9
A method of making a diamond shim, comprising the steps of:
A. putting zinc oxide and cerium dioxide into an oven, and drying for 3 hours at 80 ℃; sieving with 120 mesh sieve;
B. adding diamond and silicon carbide into the bowl, mixing and grinding uniformly, adding the zinc oxide and the cerium dioxide in the step A, and grinding uniformly; grinding, and sieving with 80 mesh sieve to obtain grinding material;
C. putting engineering plastics, thermosetting resin and a plasticizer into a container, uniformly stirring, then putting into an oven, drying for 1 hour at 50 ℃, and taking out;
D. adding engineering plastics, thermosetting resin and a plasticizer into the container in the step C in batches in sequence, and uniformly stirring to obtain mixed slurry;
E. melting the curing agent into liquid by using a heat preservation pot, adding the liquid into the mixed slurry obtained in the step D, and uniformly stirring to obtain abrasive slurry;
F. adding the abrasive slurry obtained in the step E into a die and carrying out blade coating;
G. putting the die subjected to blade coating in the step F into an oven to be dried for 0.8 hour at the temperature of 90 ℃;
H. and D, taking out the die dried in the step G, putting the die on a hydraulic press to press patterns, and drying the patterns in the air.
Example 10
A method of making a diamond shim, comprising the steps of:
A. putting zinc oxide and cerium dioxide into a drying oven, and drying for 5 hours at 120 ℃; sieving with 120 mesh sieve;
B. adding diamond and silicon carbide into the bowl, mixing and grinding uniformly, adding the zinc oxide and the cerium dioxide in the step A, and grinding uniformly; grinding, and sieving with 80 mesh sieve to obtain grinding material;
C. putting engineering plastics, thermosetting resin and a plasticizer into a container, uniformly stirring, then putting into an oven, drying for 3 hours at 70 ℃, and taking out;
D. adding engineering plastics, thermosetting resin and a plasticizer into the container in the step C in batches in sequence, and uniformly stirring to obtain mixed slurry;
E. melting the curing agent into liquid by using a heat preservation pot, adding the liquid into the mixed slurry obtained in the step D, and uniformly stirring to obtain abrasive slurry;
F. adding the abrasive slurry obtained in the step E into a die and carrying out blade coating;
G. putting the die subjected to blade coating in the step F into an oven to be dried for 1.2 hours at the temperature of 130 ℃;
H. and D, taking out the die dried in the step G, putting the die on a hydraulic press to press patterns, and drying the patterns in the air.
I. And (5) a curing process.
Example 11
A method of making a diamond shim, comprising the steps of:
A. putting zinc oxide and cerium dioxide into an oven, and drying for 4 hours at 100 ℃; sieving with 120 mesh sieve;
B. adding diamond and silicon carbide into the bowl, mixing and grinding uniformly, adding the zinc oxide and the cerium dioxide in the step A, and grinding uniformly; grinding, and sieving with 80 mesh sieve to obtain grinding material;
C. putting engineering plastics, thermosetting resin and a plasticizer into a container, uniformly stirring, then putting into an oven, drying for 2 hours at 60 ℃, and taking out;
D. adding engineering plastics, thermosetting resin, a plasticizer and a defoaming agent into the container in the step C in batches in sequence, and uniformly stirring to obtain mixed slurry;
E. melting the curing agent into liquid by using a heat preservation pot, adding the liquid into the mixed slurry obtained in the step D, and uniformly stirring to obtain abrasive slurry;
F. adding the abrasive slurry obtained in the step E into a die and carrying out blade coating;
G. putting the die coated in the step F into an oven to be dried for 1 hour at the temperature of 110 ℃;
H. taking out the die dried in the step G, putting the die on a hydraulic press to press patterns, and drying the patterns;
I. a curing process;
J. cutting the solidified product into a preset size and packaging.
The curing procedure described in examples 10-11 can be carried out at 70 ℃ for 8 hours, or at 80 ℃ for 8 hours, or at 90 ℃ for 5 hours, or at 100 ℃ for 5 hours, or at 120 ℃ for 3 hours.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A diamond gasket is characterized by comprising the following components in parts by weight:
1-20 parts of engineering plastic, 1-20 parts of thermosetting resin, 1-20 parts of plasticizer, 5-35 parts of diamond, 10-40 parts of silicon carbide, 10-40 parts of zinc oxide, 5-35 parts of cerium dioxide and 0.5-10 parts of curing agent.
2. The diamond shim according to claim 1, comprising the following components in parts by weight:
5-15 parts of engineering plastic, 5-15 parts of thermosetting resin, 5-15 parts of plasticizer, 10-25 parts of diamond, 15-30 parts of silicon carbide, 15-30 parts of zinc oxide, 10-25 parts of cerium dioxide and 3-6 parts of curing agent.
3. The diamond shim according to claim 1, comprising the following components in parts by weight:
10 parts of engineering plastic, 10 parts of thermosetting resin, 10 parts of plasticizer, 20 parts of diamond, 25 parts of silicon carbide, 20 parts of zinc oxide, 20 parts of cerium dioxide and 5 parts of curing agent.
4. A diamond shim as set forth in any one of claims 1-3 further comprising 0.1 to 1 part by weight of a defoaming agent.
5. A diamond shim as claimed in any one of claims 1 to 3 wherein the engineering plastic is one or a mixture of two or more of polyethylene, polypropylene, polyvinyl chloride, polystyrene, ABS, polyamide, polycarbonate, polytetrafluoroethylene, polymethylmethacrylate, POX.
6. A diamond shim as claimed in any one of claims 1 to 3 wherein the thermosetting resin is one or a mixture of two or more of melamine formaldehyde resin, furan resin, polybutadiene resin, silicone resin, PRE.
7. A diamond pad according to any of claims 1 to 3, characterized in that the plasticizer is one or a mixture of two or more of dioctyl phthalate DOP, dibutyl phthalate DBP, octyl epoxy stearate.
8. A diamond pad according to any of claims 1-3, characterized in that the curing agent is one or a mixture of two or more of m-phenylenediamine, diaminodiphenyl sulfoxide, acrylonitrile modified ethylenediamine, 2-methylimidazole, dodecenyl succinic anhydride, MSY.
9. A method of making a diamond shim, comprising the steps of:
A. putting zinc oxide and cerium dioxide into a drying oven, and drying for 3-5 hours at 80-120 ℃; sieving with 120 mesh sieve;
B. adding diamond and silicon carbide into the bowl, mixing and grinding uniformly, adding the zinc oxide and the cerium dioxide in the step A, and grinding uniformly; grinding, and sieving with 80 mesh sieve to obtain grinding material;
C. putting engineering plastics, thermosetting resin and plasticizer into a container, uniformly stirring, then putting into an oven, drying for 1-3 hours at 50-70 ℃, and taking out;
D. adding engineering plastics, thermosetting resin and a plasticizer into the container in the step C in batches in sequence, and uniformly stirring to obtain mixed slurry;
E. melting the curing agent into liquid by using a heat preservation pot, adding the liquid into the mixed slurry obtained in the step D, and uniformly stirring to obtain abrasive slurry;
F. adding the abrasive slurry obtained in the step E into a die and carrying out blade coating;
G. putting the die coated in the step F into an oven to be dried for 0.8-1.2 hours at the temperature of 90-130 ℃;
H. and D, taking out the die dried in the step G, putting the die on a hydraulic press to press patterns, and drying the patterns in the air.
10. The method of claim 8, further comprising a step I of curing after the step H of air-drying, and further comprising a step J of: cutting the solidified product into a preset size and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911293214.1A CN110922096A (en) | 2019-12-16 | 2019-12-16 | Diamond gasket and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293214.1A CN110922096A (en) | 2019-12-16 | 2019-12-16 | Diamond gasket and preparation method thereof |
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| CN110922096A true CN110922096A (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338786A (en) * | 2022-08-22 | 2022-11-15 | 广东新劲刚金刚石工具有限公司 | Cast elastic grinding block and preparation method thereof |
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| JPH0891957A (en) * | 1994-09-26 | 1996-04-09 | Kikusui Kagaku Kogyo Kk | Method for processing porous ceramic and product therefrom |
| CN1249704A (en) * | 1997-03-07 | 2000-04-05 | 美国3M公司 | Abrasive article for providing clear surface finish on glass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115338786A (en) * | 2022-08-22 | 2022-11-15 | 广东新劲刚金刚石工具有限公司 | Cast elastic grinding block and preparation method thereof |
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Application publication date: 20200327 |