CN115321879B - High-strength mineral lathe bed composite material and preparation method thereof - Google Patents
High-strength mineral lathe bed composite material and preparation method thereof Download PDFInfo
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- CN115321879B CN115321879B CN202211050577.4A CN202211050577A CN115321879B CN 115321879 B CN115321879 B CN 115321879B CN 202211050577 A CN202211050577 A CN 202211050577A CN 115321879 B CN115321879 B CN 115321879B
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- lathe bed
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- epoxy resin
- composite material
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Classifications
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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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
- B29C67/243—Moulding mineral aggregates bonded with resin, e.g. resin concrete for making articles of definite length
- B29C67/244—Moulding mineral aggregates bonded with resin, e.g. resin concrete for making articles of definite length by vibrating the composition before or during moulding
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to the technical field of composite materials, in particular to a high-strength mineral lathe bed composite material and a preparation method thereof, wherein the high-strength mineral lathe bed composite material comprises the following components in parts by mass: epoxy resin 80, reactive diluent 20, modified curing agent 30, stone filler 926. When the lathe bed is prepared, pre-mixed epoxy resin, reactive diluent, modified curing agent and stone filler are subjected to proportioning and blanking based on PLC, and are mixed into a mixed material; and (3) casting and molding the mixed materials through a vibrating table die for 120 minutes, performing reaction curing at 24 ℃ for 16 hours, demolding, and performing high-precision machining to obtain the high-strength mineral lathe bed. The invention develops the high-strength mineral lathe bed composite material, the compression strength can reach more than 160Mpa, the elastic modulus can reach more than 40Gpa, and the problems of insufficient strength and modulus and limited application range in the prior art can be effectively solved.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a high-strength mineral lathe bed composite material and a preparation method thereof.
Background
The mineral lathe bed composite material is also called a mineral casting, is a composite material containing organic resin and inorganic bone filler, and the mineral casting is replacing the traditional steel structure and casting, especially in the high-precision high-speed lathe industry, gradually replacing the traditional steel structure and cast iron as a lathe bed. The mineral lathe bed has the advantages of strong shock absorbing capacity, good dimensional stability, high geometric accuracy of the lathe bed and good thermal stability. The prior art has low compression strength which is basically below 130Mpa, and has the problem of limited design in a structure with larger stress, the compression strength of the material needs to be improved to be more than 160Mpa, and the compression elastic modulus is also a problem, the compression elastic modulus needs to be improved to be more than 40Gpa, and the high compression strength and modulus can meet the requirement of the lathe bed material on high mechanical strength.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-strength mineral lathe bed composite material and a preparation method thereof.
The technical scheme for realizing the aim of the invention is as follows: a high-strength mineral lathe bed composite material comprises the following components in parts by mass:
80 parts of epoxy resin,
20 parts of reactive diluent,
30 parts of modified curing agent,
The filler of stone 926 is selected to be,
the preparation method of the modified curing agent comprises the following steps: difunctional alicyclic amine 4,4' -methylene dicyclo hexane amine and monofunctional glycidyl ether are pre-reacted for 2 hours at 80 ℃ under the protection of nitrogen.
The epoxy resin in the technical scheme is bisphenol A cardanol epoxy resin.
The reactive diluent in the technical scheme is 1, 4-butanediol diglycidyl ether.
The stone filler in the technical scheme comprises the following components in parts by mass:
20-30mm granite rubble 160,
10-20mm granite rubble 160,
5-10mm granite rubble 120,
0-5mm granite rubble 120,
100 parts of 10-50 mesh mechanism sand,
50-100 mesh mechanism sand 100,
150 parts of 800-mesh fly ash,
6mm glass fiber 8,
1mm carbon fiber 6
0.5mm carbon fiber 5.
The monofunctional glycidyl ether is one of 4-hydroxybutyl acrylate glycidyl ether or octyl glycidyl ether.
The preparation method of the high-strength mineral lathe bed comprises the following preparation steps:
step one, preparing a modified curing agent,
step two, vacuum mixing the epoxy resin and the reactive diluent for 30 minutes at 80 ℃, reducing the temperature to 20 ℃ through water cooling, adding the modified curing agent, stirring and mixing, controlling the speed to be 5 minutes, and stirring for 5 minutes;
and thirdly, blanking the stone filler according to the proportion PLC, premixing the stone filler in a stirrer for 4 minutes, mixing the premixed resin system in the second step with the stone filler again for 10 minutes, casting and molding the mixed material for 120 minutes through a vibrating table die, reacting and curing for 16 hours at 24 ℃, demolding and carrying out high-precision machining.
In the third step of the technical scheme, firstly, the fly ash and the machine-made sand are added and stirred for 0.5 min, then the 4 granite gravels are added and stirred for 0.5 min, then the glass fibers are added and stirred for 0.5 min, and finally the two carbon fibers are added and stirred for 2.5 min.
After the technical scheme is adopted, the invention has the following positive effects:
the invention develops the high-strength mineral lathe bed composite material, the compression strength can reach more than 160Mpa, the elastic modulus can reach more than 40Gpa, and the problems of insufficient strength and modulus and limited application range in the prior art can be effectively solved.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments.
Example 1
The following components in parts by mass are prepared:
bisphenol A type cardanol epoxy resin 80,
1, 4-butanediol diglycidyl ether 20,
30 parts of modified curing agent,
20-30mm granite rubble 160,
10-20mm granite rubble 160,
5-10mm granite rubble 120,
0-5mm granite rubble 120,
100 parts of 10-50 mesh mechanism sand,
50-100 mesh mechanism sand 100,
150 parts of 800-mesh fly ash,
6mm glass fibre 8
1mm carbon fiber 6
A carbon fiber 5 of 0.5mm,
preparing a modified curing agent: difunctional alicyclic amine 4,4' -methylene dicyclo hexane amine and 4-hydroxybutyl acrylate glycidyl ether are pre-reacted for 2 hours under the condition of 80 ℃ and nitrogen protection.
Vacuum mixing bisphenol A type cardanol epoxy resin and 1, 4-butanediol diglycidyl ether at 80 ℃ for 30 minutes, reducing the temperature to 20 ℃ through water cooling, adding a modified curing agent, stirring and mixing, controlling the speed to be 5 minutes, and obtaining a premixed resin system after mixing and stirring for 5 minutes;
adding fly ash and machine-made sand while stirring for 0.5 min so that fine particles of the fly ash can be fused with micropores of sand grains, adding 4 granite gravels and stirring for 0.5 min, adding glass fibers and stirring for 0.5 min, adding the glass fibers which can be sheared into ultrashort fibers in a stirrer to effectively strengthen a system, adding two carbon fibers and stirring for 2.5 min, and stirring and dispersing the carbon fibers in a resin mortar system, so that the modulus of a composite material product is increased; and then mixing the premixed resin system and the stone filler for 10 minutes again, casting and molding the mixed material for 120 minutes through a vibrating table die, reacting and curing for 16 hours at 24 ℃, demolding and carrying out high-precision machining.
Carrying out compressive strength detection on the high-strength mineral lathe bed composite material: preparing a high-strength mineral lathe bed composite material into 40 x 160 sample bars through a die, testing the force of pressure damage through a pressure tester, and calculating to obtain the compression strength: 163.84Mpa.
And (3) carrying out compression modulus detection on the high-strength mineral lathe bed composite material: preparing a high-strength mineral lathe bed composite material into 40 x 160 sample bars through a die, testing the force of pressure damage through a pressure tester, and calculating to obtain compression modulus: 42.37Gpa.
Example 2
The following components in parts by mass are prepared:
bisphenol A type cardanol epoxy resin 80,
1, 4-butanediol diglycidyl ether 20,
30 parts of modified curing agent,
20-30mm granite rubble 160,
10-20mm granite rubble 160,
5-10mm granite rubble 120,
0-5mm granite rubble 120,
100 parts of 10-50 mesh mechanism sand,
50-100 mesh mechanism sand 100,
150 parts of 800-mesh fly ash,
6mm glass fibre 8
1mm carbon fiber 6
A carbon fiber 5 of 0.5mm,
preparing a modified curing agent: difunctional alicyclic amine 4,4' -methylene bicyclo hexane amine and octyl glycidyl ether are pre-reacted for 2 hours under the condition of 80 ℃ and nitrogen protection.
Vacuum mixing bisphenol A type cardanol epoxy resin and 1, 4-butanediol diglycidyl ether at 80 ℃ for 30 minutes, reducing the temperature to 20 ℃ through water cooling, adding a modified curing agent, stirring and mixing, controlling the speed to be 5 minutes, and obtaining a premixed resin system after mixing and stirring for 5 minutes;
adding fly ash and machine-made sand while stirring for 0.5 min so that fine particles of the fly ash can be fused with micropores of sand grains, adding 4 granite gravels and stirring for 0.5 min, adding glass fibers and stirring for 0.5 min, adding the glass fibers which can be sheared into ultrashort fibers in a stirrer to effectively strengthen a system, adding two carbon fibers and stirring for 2.5 min, and stirring and dispersing the carbon fibers in a resin mortar system, so that the modulus of a composite material product is increased; and then mixing the premixed resin system and the stone filler for 10 minutes again, casting and molding the mixed material for 120 minutes through a vibrating table die, reacting and curing for 16 hours at 24 ℃, demolding and carrying out high-precision machining.
Carrying out compressive strength detection on the high-strength mineral lathe bed composite material: preparing a high-strength mineral lathe bed composite material into 40 x 160 sample bars through a die, testing the force of pressure damage through a pressure tester, and calculating to obtain the compression strength: 165.33Mpa.
And (3) carrying out compression modulus detection on the high-strength mineral lathe bed composite material: preparing a high-strength mineral lathe bed composite material into 40 x 160 sample bars through a die, testing the force of pressure damage through a pressure tester, and calculating to obtain compression modulus: 43.22Gpa.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (3)
1. The high-strength mineral lathe bed composite material is characterized by comprising the following components in parts by mass:
80 parts of epoxy resin,
20 parts of reactive diluent,
30 parts of modified curing agent,
20-30mm granite rubble 160,
10-20mm granite rubble 160,
5-10mm granite rubble 120,
0-5mm granite rubble 120,
100 parts of 10-50 mesh mechanism sand,
50-100 mesh mechanism sand 100,
150 parts of 800-mesh fly ash,
6mm glass fiber 8,
1mm carbon fiber 6,
A carbon fiber 5 of 0.5mm,
the preparation method of the modified curing agent comprises the following steps: pre-reacting difunctional alicyclic amine 4,4' -methylene dicyclo hexane amine with monofunctional glycidyl ether at 80 ℃ under the protection of nitrogen for 2 hours;
the monofunctional glycidyl ether is one of 4-hydroxybutyl acrylate glycidyl ether or octyl glycidyl ether;
the epoxy resin is bisphenol A type cardanol epoxy resin;
the reactive diluent is a mixed solution of 1, 4-butanediol diglycidyl ether and resorcinol epoxy resin.
2. A method of preparing a high strength mineral bed according to claim 1, comprising the steps of:
step one, preparing a modified curing agent,
step two, vacuum mixing the epoxy resin and the reactive diluent for 30 minutes at 80 ℃, reducing the temperature to 20 ℃ through water cooling, adding the modified curing agent, stirring and mixing, controlling the speed to be 5 minutes, and stirring for 5 minutes;
and thirdly, blanking the stone filler according to the proportion PLC, premixing the stone filler in a stirrer for 4 minutes, mixing the premixed resin system in the second step with the stone filler again for 10 minutes, casting and molding the mixed material for 120 minutes through a vibrating table die, reacting and curing for 16 hours at 24 ℃, demolding and carrying out high-precision machining.
3. A method of preparing a high strength mineral bed according to claim 2, characterized in that: in the third step, the fly ash and the machine-made sand are firstly put into the mixer and stirred for 0.5 min, then the 4 granite gravels are added and stirred for 0.5 min, then the glass fiber is added and stirred for 0.5 min, and finally the two carbon fibers are added and stirred for 2.5 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211050577.4A CN115321879B (en) | 2022-08-31 | 2022-08-31 | High-strength mineral lathe bed composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211050577.4A CN115321879B (en) | 2022-08-31 | 2022-08-31 | High-strength mineral lathe bed composite material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115321879A CN115321879A (en) | 2022-11-11 |
| CN115321879B true CN115321879B (en) | 2023-08-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554435A (en) * | 2013-11-20 | 2014-02-05 | 哈尔滨师范大学 | Bisphenol-A cashew phenol epoxy resin and preparation method thereof |
| CN110914329A (en) * | 2017-05-16 | 2020-03-24 | 佐敦公司 | Composition comprising a metal oxide and a metal oxide |
| CN112225879A (en) * | 2020-10-19 | 2021-01-15 | 南昌航空大学 | Modified amine curing agent and preparation method thereof |
| CN113603390A (en) * | 2021-07-13 | 2021-11-05 | 赵明威 | High-strength mineral composite material and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8067093B2 (en) * | 2006-01-17 | 2011-11-29 | Akzo Nobel Coatings International B.V. | Curing agents for epoxy-functional compounds |
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2022
- 2022-08-31 CN CN202211050577.4A patent/CN115321879B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554435A (en) * | 2013-11-20 | 2014-02-05 | 哈尔滨师范大学 | Bisphenol-A cashew phenol epoxy resin and preparation method thereof |
| CN110914329A (en) * | 2017-05-16 | 2020-03-24 | 佐敦公司 | Composition comprising a metal oxide and a metal oxide |
| CN112225879A (en) * | 2020-10-19 | 2021-01-15 | 南昌航空大学 | Modified amine curing agent and preparation method thereof |
| CN113603390A (en) * | 2021-07-13 | 2021-11-05 | 赵明威 | High-strength mineral composite material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 卢放.新型环氧树脂固化剂的合成及性能研究.《中国优秀硕士学位论文全文数据库 工程科技I辑》.2013,(第8期),B016-99. * |
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| CN115321879A (en) | 2022-11-11 |
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