CN115321879A - 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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- CN115321879A CN115321879A CN202211050577.4A CN202211050577A CN115321879A CN 115321879 A CN115321879 A CN 115321879A CN 202211050577 A CN202211050577 A CN 202211050577A CN 115321879 A CN115321879 A CN 115321879A
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- lathe bed
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- strength mineral
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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
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- 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
-
- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Epoxy Resins (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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 and stone filler 926. When the lathe bed is prepared, the premixed epoxy resin, the reactive diluent, the modified curing agent and the stone filler are fed based on the PLC proportion and mixed into a mixed material; and (3) casting and molding the mixed materials through a vibration table die for 120 minutes, reacting and curing for 16 hours at 24 ℃, demolding, and performing high-precision processing to obtain the high-strength mineral lathe bed. The invention develops a high-strength mineral lathe bed composite material, the compression strength of which can reach more than 160Mpa, and the elastic modulus of which can reach more than 40Gpa, and can effectively solve the problems of insufficient strength and modulus and limited application range in the prior art.
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
Mineral bed composites, also called mineral castings, are a composite material containing organic resins and inorganic bone fillers, and mineral castings are replacing traditional steel structures and castings, especially in the high-precision high-speed machine tool industry, and are gradually replacing traditional steel structures and cast iron as beds. The mineral lathe bed has the advantages of strong shock absorption capability, good dimensional stability, high geometric precision of the lathe bed and good thermal stability. In the prior art, the compression strength is low and basically below 130Mpa, the low compression strength has the problem of design limitation in a structure with larger stress, the compression strength of the material needs to be improved to be more than 160Mpa, in addition, the compression elastic modulus is low and needs to be improved to be more than 40Gpa, and the high compression strength and modulus can meet the requirement of high mechanical strength of the lathe bed material.
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 purpose of the invention is as follows: a high-strength mineral lathe bed composite material comprises the following components in parts by mass:
80 portions of epoxy resin,
20 portions of reactive diluent,
30 portions of modified curing agent,
The amount of the stone filler 926 is such that,
the preparation method of the modified curing agent comprises the following steps: the difunctional alicyclic amine 4,4' -methylene dicyclohexyl amine and the monofunctional glycidyl ether are pre-reacted for 2 hours at the temperature of 80 ℃ under the nitrogen protection environment.
The epoxy resin is bisphenol A type 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:
granite macadam 160-30 mm in thickness,
10-20mm granite macadam 160,
120 portions of 5-10mm granite macadam,
120 portions of 0-5mm granite macadam,
100 portions of 10-50 meshes of machine-made sand,
Machine-made sand with 50-100 meshes 100,
150 portions of 800 meshes of fly ash,
8 portions of 6mm glass fiber,
1mm carbon fiber 6
0.5mm carbon fibres 5.
The monofunctional glycidyl ether is one of 4-hydroxybutyl acrylate glycidyl ether or octyl glycidyl ether.
A preparation method of a high-strength mineral lathe bed comprises the following preparation steps:
step one, preparing a modified curing agent,
step two, mixing the epoxy resin and the reactive diluent at 80 ℃ for 30 minutes in vacuum, reducing the temperature to 20 ℃ through water cooling, adding the modified curing agent, stirring and mixing, controlling the speed to be finished within 5 minutes, and stirring and mixing for 5 minutes;
and step three, blanking the stone filler according to the proportion of the PLC, premixing for 4 minutes in a stirrer, then mixing the premixed resin system and the stone filler in the step two for 10 minutes again, casting and molding the mixed material for 120 minutes through a vibration table die, reacting and curing for 16 hours at 24 ℃, demolding, and performing high-precision processing.
In the third step of the technical scheme, the fly ash and the machine-made sand are added and stirred for 0.5 minute, then 4 granite gravels are added and stirred for 0.5 minute, then the glass fiber is added and stirred for 0.5 minute, and finally the two carbon fibers are added and stirred together for 2.5 minutes.
After the technical scheme is adopted, the invention has the following positive effects:
the invention develops a high-strength mineral lathe bed composite material, the compression strength of which can reach more than 160Mpa, and the elastic modulus of which can reach more than 40Gpa, and can effectively solve the problems of insufficient strength and modulus and limited application range in the prior art.
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 embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
Example 1
Preparing the following components in parts by mass:
bisphenol A type cardanol epoxy resin 80,
20 of 1, 4-butanediol diglycidyl ether,
30 portions of modified curing agent,
Granite macadam of 20-30mm,
Granite macadam 160-20 mm in thickness,
120 portions of 5-10mm granite macadam,
120 portions of 0-5mm granite macadam,
100 portions of 10-50 meshes of machine-made sand,
Machine-made sand with 50-100 meshes 100,
150 portions of 800 meshes of fly ash,
6mm glass fibre 8
1mm carbon fiber 6
0.5mm of carbon fibers 5,
preparing a modified curing agent: the difunctional alicyclic amine 4,4' -methylene dicyclohexylamine and 4-hydroxybutyl acrylate glycidyl ether are pre-reacted for 2 hours at the temperature of 80 ℃ under the nitrogen protection environment.
Mixing bisphenol A cardanol epoxy resin and 1, 4-butanediol diglycidyl ether at 80 ℃ for 30 minutes in vacuum, reducing the temperature to 20 ℃ through water cooling, adding a modified curing agent, stirring and mixing, controlling the speed to be finished within 5 minutes, and mixing and stirring for 5 minutes to obtain a premixed resin system;
adding the fly ash and machine-made sand while stirring for 0.5 minute so that fly ash fine particles can be fused with sand particle micropores, adding 4 granite broken stones into the mixture and stirring for 0.5 minute, adding glass fiber into the mixture and stirring for 0.5 minute, adding the glass fiber into the mixture and shearing the glass fiber into ultra-short fiber to effectively reinforce the system in a stirrer, and finally adding two carbon fibers into the mixture and stirring the mixture for 2.5 minutes, wherein the carbon fibers are stirred and dispersed 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 mixture for 120 minutes through a vibration table die, reacting and curing for 16 hours at 24 ℃, demolding and performing high-precision processing.
Carrying out compression strength detection on the high-strength mineral lathe bed composite material: making the high-strength mineral bed body composite material into 40 × 160 sample bars through a die, testing the force generating pressure failure through a pressure testing machine, and calculating to obtain the compression strength: 163.84MPa.
Carrying out compression modulus detection on the high-strength mineral lathe bed composite material: making the high-strength mineral lathe bed composite material into 40-160 sample bars through a mould, testing the force of pressure failure through a pressure tester, and calculating to obtain the compression modulus: 42.37Gpa.
Example 2
Preparing the following components in parts by mass:
bisphenol A type cardanol epoxy resin 80,
20 portions of 1, 4-butanediol diglycidyl ether,
30 portions of modified curing agent,
Granite macadam 160-30 mm in thickness,
Granite macadam 160-20 mm in thickness,
120 portions of granite macadam with the thickness of 5-10mm,
120 portions of 0-5mm granite macadam,
Machine-made sand of 10-50 meshes 100,
Machine-made sand with 50-100 meshes 100,
150 portions of 800-mesh fly ash,
6mm glass fibre 8
1mm carbon fiber 6
0.5mm of carbon fibers 5,
preparing a modified curing agent: the bifunctional alicyclic amine 4,4' -methylene dicyclohexylamine and octyl glycidyl ether are pre-reacted for 2 hours at the temperature of 80 ℃ under the nitrogen protection environment.
Mixing bisphenol A cardanol epoxy resin and 1, 4-butanediol diglycidyl ether at 80 ℃ for 30 minutes in vacuum, reducing the temperature to 20 ℃ by water cooling, adding the modified curing agent, stirring and mixing, controlling the speed to be finished within 5 minutes, and mixing and stirring for 5 minutes to obtain a premixed resin system;
putting fly ash and machine-made sand while stirring for 0.5 minute so that fly ash fine particles can be fused with sand particle micropores, adding 4 granite gravels into the mixture and stirring for 0.5 minute, adding glass fiber into the mixture and stirring for 0.5 minute, wherein the glass fiber can be cut into ultra-short fibers in a stirrer to effectively reinforce the system, and finally adding two carbon fibers into the mixture and stirring for 2.5 minutes, and the carbon fibers are stirred and dispersed in a resin mortar system, so that the modulus of a composite material product is increased; and then mixing the pre-mixed resin system and the stone filler for 10 minutes again, casting and molding the mixed material for 120 minutes through a vibration table die, reacting and curing for 16 hours at 24 ℃, demolding and processing with high precision.
Carrying out compression strength detection on the high-strength mineral lathe bed composite material: making the high-strength mineral lathe bed composite material into 40-160 sample bars through a mould, testing the force of pressure failure through a pressure tester, and calculating to obtain the compression strength: 165.33MPa.
Carrying out compression modulus detection on the high-strength mineral lathe bed composite material: making the high-strength mineral lathe bed composite material into 40-160 sample bars through a mould, testing the force of pressure failure through a pressure tester, and calculating to obtain the compression modulus: 43.22Gpa.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The high-strength mineral lathe bed composite material is characterized by comprising the following components in parts by mass:
80 portions of epoxy resin,
20 portions of reactive diluent,
30 portions of modified curing agent,
The amount of the stone filler 926 is such that,
the preparation method of the modified curing agent comprises the following steps: the difunctional alicyclic amine 4,4' -methylene dicyclohexyl amine and the monofunctional glycidyl ether are pre-reacted for 2 hours at the temperature of 80 ℃ under the nitrogen protection environment.
2. The high strength mineral lathe composite of claim 1 wherein: the epoxy resin is bisphenol A type cardanol epoxy resin.
3. The high strength mineral lathe composite of claim 1 wherein: the reactive diluent is a mixed solution of 1, 4-butanediol diglycidyl ether and resorcinol epoxy resin.
4. The high-strength mineral lathe bed composite material as claimed in claim 1, wherein the stone filler comprises the following components in parts by mass:
granite macadam 160-30 mm in thickness,
Granite macadam 160-20 mm in thickness,
120 portions of granite macadam with the thickness of 5-10mm,
120 portions of 0-5mm granite macadam,
Machine-made sand of 10-50 meshes 100,
100 portions of 50-100 meshes of machine-made sand,
150 portions of 800-mesh fly ash,
8 portions of 6mm glass fiber,
1mm carbon fiber 6
0.5mm carbon fiber 5.
5. The high strength mineral lathe composite of claim 1 wherein: the monofunctional glycidyl ether is one of 4-hydroxybutyl acrylate glycidyl ether or octyl glycidyl ether.
6. The method for preparing the high-strength mineral bed according to claim 1, comprising the following preparation steps:
step one, preparing a modified curing agent,
step two, mixing the epoxy resin and the reactive diluent at 80 ℃ for 30 minutes in vacuum, reducing the temperature to 20 ℃ through water cooling, adding the modified curing agent, stirring and mixing, controlling the speed to be finished within 5 minutes, and stirring and mixing for 5 minutes;
and step three, blanking the stone filler according to the proportion of the PLC, premixing for 4 minutes in a stirrer, then mixing the premixed resin system and the stone filler in the step two for 10 minutes again, casting and molding the mixed material for 120 minutes through a vibration table die, reacting and curing for 16 hours at 24 ℃, demolding, and performing high-precision processing.
7. The method for preparing the high-strength mineral lathe bed according to claim 6, wherein the method comprises the following steps: in the third step, the fly ash and the machine-made sand are put into the mixer and stirred for 0.5 minute, then 4 kinds of granite broken stones are added into the mixer and stirred for 0.5 minute, then the glass fiber is added into the mixer and stirred for 0.5 minute, and finally the two kinds of carbon fibers are added into the mixer and stirred for 2.5 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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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| CN115321879B CN115321879B (en) | 2023-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117303802A (en) * | 2023-09-04 | 2023-12-29 | 陕西庄臣环保科技有限公司 | Ultrahigh-strength composite material and preparation process thereof |
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| 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 |
-
2022
- 2022-08-31 CN CN202211050577.4A patent/CN115321879B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100168277A1 (en) * | 2006-01-17 | 2010-07-01 | Akzo Nobel Coatings International B.V. | Curing agents for epoxy-functional compounds |
| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117303802A (en) * | 2023-09-04 | 2023-12-29 | 陕西庄臣环保科技有限公司 | Ultrahigh-strength composite material and preparation process thereof |
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