CN111019297A - Glass fiber reinforced resin matrix composite material and preparation method thereof - Google Patents

Glass fiber reinforced resin matrix composite material and preparation method thereof Download PDF

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Publication number
CN111019297A
CN111019297A CN201911116900.1A CN201911116900A CN111019297A CN 111019297 A CN111019297 A CN 111019297A CN 201911116900 A CN201911116900 A CN 201911116900A CN 111019297 A CN111019297 A CN 111019297A
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Prior art keywords
glass fiber
parts
composite material
epoxy resin
resin
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Inventor
郭客
李肃
窦国语
戴若丁
胡泉
苑庆波
刘思彤
林岩
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Ansteel Mining Co Ltd
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Ansteel Mining Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/043Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C08J2363/02Polyglycidyl ethers of bis-phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C08J2363/04Epoxynovolacs
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2427/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/04Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2427/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/10Esters; Ether-esters
    • C08K5/12Esters; Ether-esters of cyclic polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/14Glass

Abstract

The invention aims at solving the problems of the existing wear-resistant lining plate of a mine car, provides a glass fiber reinforced resin matrix composite material and a preparation method thereof, and belongs to the technical field of resin composite materials. The composite material is prepared from the following raw materials in parts by weight: 40-60 parts of glass fiber, 40-60 parts of resin, 1-10 parts of toughening agent, 1-5 parts of initiator H and 1-5 parts of accelerator E. The composite material has excellent wear resistance and toughness to resist impact wear of ores, and the low density of the composite material can effectively reduce the weight of the lining plate. The whole composite material has simple preparation process and low production cost.

Description

Glass fiber reinforced resin matrix composite material and preparation method thereof
Technical Field
The invention belongs to the technical field of resin composite materials, and particularly relates to a glass fiber reinforced resin matrix composite material and a preparation method thereof.
Background
For the mine industry, ore needs to use the mine car to load and transport in the mining process, in order to avoid the ore of whereabouts directly to contact with the mine car railway carriage, can lay one deck wear-resisting welt in the railway carriage generally, prevent to receive impact and the wearing and tearing that come from the ore. The lining plate is made of metal material, so that the self weight of the carriage is increased and the use space of the carriage is reduced.
The resin-based composite material has the characteristics of high specific strength, large specific modulus, strong designability and good fatigue resistance, and is widely applied to the fields of aviation, aerospace, traffic and the like in recent decades. Wherein, the glass fiber is a material used for reinforcing resin base, the glass fiber (glass fiber) is prepared by preparing various glasses by quartz sand, limestone, dolomite, paraffin and other components and adding soda ash, boric acid and the like, and then melting and drawing the glass by a melting kiln, and TiO is properly infiltrated for simplifying the process and obtaining the expected performance sometimes2、ZrO2、Al2O3And the like. The glass fiber reinforced resin matrix composite material has the characteristics of light weight, high strength, good fatigue property, durability, good electrical insulation property and the like.
Disclosure of Invention
The invention aims at solving the problems of the existing wear-resistant lining plate of the mine car and provides a glass fiber reinforced resin matrix composite material and a preparation method thereof. The whole composite material has simple preparation process and low production cost.
In order to solve the technical problems, the invention adopts the following technical scheme:
a glass fiber reinforced resin matrix composite material is prepared from the following raw materials in parts by weight: 40-60 parts of glass fiber, 40-60 parts of resin, 1-10 parts of toughening agent, 1-5 parts of initiator and 1-5 parts of accelerator;
the glass fiber is E-glass fiber (alkali-free glass fiber), the fineness of the glass fiber is 400-450 tex, the breaking strength P is 1.05-1.15 GPa, the modulus E is 66.25-7.10 GPa, and the density is 2.45-2.6 g-cm-3
The resin is E44 type epoxy resin added with a curing agent or phenolic epoxy resin which is added with a curing agent and is subjected to external toughening modification of PVC;
the toughening agent is dibutyl phthalate, and the structural formula of the toughening agent is as follows:
Figure BDA0002274322930000021
the initiator is cyclohexanone peroxide paste (wherein the mass fraction of the cyclohexanone peroxide is 30 percent), and the accelerator is cobalt naphthenate-styrene solution;
the epoxy resin curing agent is xylylenediamine, diethylenetriamine or m-phenylenediamine, and the weight ratio of the epoxy resin to the epoxy resin curing agent is 100: 15 to 20.
The preparation method of the glass fiber reinforced resin matrix composite material comprises the following steps:
(1) heating the resin to 37-43 ℃, adding the curing agent, the initiator and the accelerator in proportion, uniformly stirring, and adding the toughening agent to obtain an epoxy resin system;
(2) mixing and gumming glass fiber and the resin system in the step (1), and introducing the mixture into a forming mold for curing after gumming;
(3) and demolding after curing to obtain the product.
Compared with the prior art, the invention has the advantages that:
the glass fiber has the characteristics of high strength, high modulus, low density and the like, so the designed glass fiber reinforced resin matrix composite material has the characteristics of light weight, high strength, wear resistance, impact resistance and the like. In addition, the invention has simple process, high yield and low production cost.
Drawings
FIG. 1 is a load-displacement curve of a glass fiber reinforced resin matrix composite material in quasi-static tensile test in example 1.
FIG. 2 is a stress-strain curve of a glass fiber reinforced resin matrix composite material in example 1 under a quasi-static tensile test.
Detailed Description
The present invention will be further described with reference to the following examples. The following embodiments are intended to illustrate the invention, but not to limit the scope of the invention, and those skilled in the art may make insubstantial modifications and adaptations of the invention in light of the above teachings.
The materials used in the following examples and comparative examples are commercially available. The E-glass fiber used has fineness of 400tex, breaking strength P of 1.05GPa, modulus E of 66.25GPa, density of 2.6g cm-3The mass ratio of each component is shown in table 1:
TABLE 1E-glass fiber component ratios
Species of SiO2 Al2O3 CaO MgO B2O3 CaF2 Others
Percentage of 50.5 15.3 16.3 4.5 10.0 2.0 3.4
Example 1
The glass fiber reinforced resin matrix composite material in the embodiment is prepared by curing and molding the following raw materials in parts by weight: 45 parts of glass fiber, 45 parts of E44 type epoxy resin added with curing agent, 5 parts of flexibilizer (dibutyl phthalate), 2 parts of initiator (cyclohexanone peroxide paste) and 3 parts of accelerant (cobalt naphthenate-styrene solution).
The preparation method of the glass fiber reinforced resin matrix composite material comprises the following steps:
(1) heating 1500g of epoxy resin added with curing agent (the mass ratio of E44 type epoxy resin to the curing agent xylylenediamine is 5: 1) to 40 ℃, uniformly dispersing 66.67g of initiator and 100g of accelerator into the epoxy resin, adding 166.67g of flexibilizer to obtain epoxy resin glue solution, and pouring the epoxy resin glue solution into a glue dipping tank;
(2) mixing 1500 gE-glass fiber and epoxy resin glue solution, dipping glue, introducing into a forming die, and curing at room temperature;
(3) and demolding after curing for 48h, and trimming the edge.
The properties of the resulting product are shown in FIGS. 1 and 2.
Example 2
The glass fiber reinforced resin matrix composite material in the embodiment is prepared by curing and molding the following raw materials in parts by weight: 45 parts of glass fiber, 45 parts of PVC external toughening modified novolac epoxy resin added with a curing agent, 5 parts of a toughening agent (dibutyl phthalate), 2 parts of an initiator (cyclohexanone peroxide paste) and 3 parts of an accelerator (cobalt naphthenate-styrene solution).
The preparation method of the glass fiber reinforced resin matrix composite material comprises the following steps:
(1) 1500g of novolac epoxy resin added with curing agent (the mass ratio of novolac epoxy resin subjected to external toughening modification of PVC to curing agent m-phenylenediamine is 5: 1) is heated to 40 ℃, 66.67g of initiator and 100g of accelerator are uniformly dispersed in the novolac epoxy resin, 166.67g of flexibilizer is added to obtain novolac resin glue solution, and the novolac resin glue solution is poured into a glue dipping tank.
(2) 1500 gE-glass fiber and phenolic resin glue solution are mixed and dipped into glue, and then the glue solution is introduced into a forming die and cured at room temperature.
(3) And demolding after curing for 48h, and trimming the edge.
The E-glass fibers used in this embodiment are the same as in example 1.
Example 3
The glass fiber reinforced resin matrix composite material in the embodiment is prepared by curing and molding the following raw materials in parts by weight: 60 parts of glass fiber, 60 parts of PVC external toughening modified novolac epoxy resin added with a curing agent, 1 part of a toughening agent (dibutyl phthalate), 1 part of an initiator (cyclohexanone peroxide paste) and 1 part of an accelerator (cobalt naphthenate-styrene solution).
The preparation method of the glass fiber reinforced resin matrix composite material comprises the following steps:
(1) 1500g of novolac epoxy resin (the mass ratio of the novolac epoxy resin subjected to external PVC toughening modification to the curing agent diethylenetriamine is 20: 3) is heated to 43 ℃, 25g of initiator and 25g of accelerator are uniformly dispersed into the novolac epoxy resin, 25g of toughening agent is added to obtain a novolac resin glue solution, and the novolac epoxy resin glue solution is poured into a glue dipping tank.
(2) 1500 gE-glass fiber and phenolic resin glue solution are mixed and dipped into glue, and then the glue solution is introduced into a forming die and cured at room temperature.
(3) And demolding after curing for 48h, and trimming the edge.
The E-glass fibers used in this embodiment are the same as in example 1.
Example 4
The glass fiber reinforced resin matrix composite material in the embodiment is prepared by curing and molding the following raw materials in parts by weight: 40 parts of glass fiber, 40 parts of E44 type epoxy resin added with curing agent, 10 parts of flexibilizer (dibutyl phthalate), 5 parts of initiator (cyclohexanone peroxide paste) and 5 parts of accelerant (cobalt naphthenate-styrene solution).
The preparation method of the glass fiber reinforced resin matrix composite material comprises the following steps:
(1) heating 1500g of epoxy resin added with curing agent (the mass ratio of the E44 type epoxy resin to the curing agent xylylenediamine is 50: 9) to 37 ℃, uniformly dispersing 187.5g of initiator and 187.5g of accelerator into the epoxy resin, adding 375g of flexibilizer to obtain epoxy resin glue solution, and pouring the epoxy resin glue solution into a glue dipping tank;
(2) mixing 1500 gE-glass fiber and epoxy resin glue solution, dipping glue, introducing into a forming die, and curing at room temperature;
(3) and demolding after curing for 48h, and trimming the edge.
Comparative example 1
The pure resin matrix composite material in the comparative example is prepared by curing and molding the following raw materials in parts by weight: 90 parts of E44 type epoxy resin, 5 parts of a toughening agent (dibutyl phthalate), 2 parts of an initiator (cyclohexanone peroxide paste) and 3 parts of an accelerator (cobalt naphthenate-styrene solution).
The preparation method of the glass fiber reinforced resin matrix composite material comprises the following steps:
(1) heating 1500g of epoxy resin (the mass ratio of the E44 type epoxy resin to the curing agent xylylenediamine is 5: 1) to 40 ℃, uniformly dispersing 20g of initiator and 30g of accelerator to 1500g of epoxy resin, and pouring into a glue dipping tank;
(2) introducing into a forming die and then curing at room temperature;
(3) and demolding after curing for 48h, and trimming the edge.
The hardness test and the quasi-static tensile test were performed on examples 1 to 2 and comparative example 1. The results are shown in Table 2.
TABLE 2 hardness and tensile test results of glass fiber reinforced resin matrix composites
Figure BDA0002274322930000051
As can be seen from the above examples, the glass fiber reinforced resin matrix composite material of the present invention has low density, high strength, and good abrasion and impact resistance.

Claims (3)

1. The glass fiber reinforced resin matrix composite material is characterized by being prepared from the following raw materials in parts by weight: 40-60 parts of glass fiber, 40-60 parts of resin, 1-10 parts of toughening agent, 1-5 parts of initiator and 1-5 parts of accelerator;
the glass fiber is E-glass fiber, the fineness of the E-glass fiber is 400-450 tex, the breaking strength P is 1.05-1.15 GPa, the modulus E is 66.25-7.10 GPa, and the density is 2.45-2.6 g-cm-3
The resin is E44 type epoxy resin added with a curing agent or phenolic epoxy resin which is added with a curing agent and is subjected to external toughening modification of PVC;
the toughening agent is dibutyl phthalate;
the initiator is cyclohexanone peroxide paste, and the accelerator is cobalt naphthenate-styrene solution;
the epoxy resin curing agent is xylylenediamine, diethylenetriamine or m-phenylenediamine.
2. The glass fiber reinforced resin matrix composite according to claim 1, wherein the weight ratio of the epoxy resin to the epoxy resin curing agent is 100: 15 to 20.
3. The method of preparing a glass fiber reinforced resin matrix composite as in claim 1, comprising the steps of:
(1) heating the resin to 37-43 ℃, adding the curing agent, the initiator and the accelerator in proportion, uniformly stirring, and adding the toughening agent to obtain an epoxy resin system;
(2) mixing and gumming glass fiber and the resin system in the step (1), and introducing the mixture into a forming mold for curing after gumming;
(3) and demolding after curing to obtain the product.
CN201911116900.1A 2019-11-15 2019-11-15 Glass fiber reinforced resin matrix composite material and preparation method thereof Pending CN111019297A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112063106A (en) * 2020-08-03 2020-12-11 中国建筑股份有限公司 Epoxy resin light composite material and preparation method thereof
CN114635291A (en) * 2022-02-25 2022-06-17 哈尔滨工业大学 Thermosetting resin coated inorganic nonmetal fiber composite bundle and preparation method thereof
CN115182547A (en) * 2022-07-15 2022-10-14 北京丽都地坪技术有限公司 Ethylene-based heavy-duty anticorrosive terrace and terrace construction method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105295307A (en) * 2015-12-07 2016-02-03 重庆重通成飞新材料有限公司 Glass fiber reinforced plastics
CN110331509A (en) * 2019-04-12 2019-10-15 嘉兴市中泰冶金设备有限公司 A kind of knitting machine crossbeam and its production technology

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105295307A (en) * 2015-12-07 2016-02-03 重庆重通成飞新材料有限公司 Glass fiber reinforced plastics
CN110331509A (en) * 2019-04-12 2019-10-15 嘉兴市中泰冶金设备有限公司 A kind of knitting machine crossbeam and its production technology

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112063106A (en) * 2020-08-03 2020-12-11 中国建筑股份有限公司 Epoxy resin light composite material and preparation method thereof
CN112063106B (en) * 2020-08-03 2022-06-21 中国建筑股份有限公司 Epoxy resin light composite material and preparation method thereof
CN114635291A (en) * 2022-02-25 2022-06-17 哈尔滨工业大学 Thermosetting resin coated inorganic nonmetal fiber composite bundle and preparation method thereof
CN114635291B (en) * 2022-02-25 2023-10-13 哈尔滨工业大学 Thermosetting resin coated inorganic nonmetallic fiber composite bundle and preparation method thereof
CN115182547A (en) * 2022-07-15 2022-10-14 北京丽都地坪技术有限公司 Ethylene-based heavy-duty anticorrosive terrace and terrace construction method

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Application publication date: 20200417