CN111517748B - High-strength glass fiber composite material and preparation method thereof - Google Patents
High-strength glass fiber composite material and preparation method thereof Download PDFInfo
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- CN111517748B CN111517748B CN202010355592.4A CN202010355592A CN111517748B CN 111517748 B CN111517748 B CN 111517748B CN 202010355592 A CN202010355592 A CN 202010355592A CN 111517748 B CN111517748 B CN 111517748B
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000009987 spinning Methods 0.000 claims abstract description 74
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 55
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000835 fiber Substances 0.000 claims abstract description 47
- 239000000654 additive Substances 0.000 claims abstract description 42
- 230000000996 additive effect Effects 0.000 claims abstract description 38
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 27
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 21
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 16
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000292 calcium oxide Substances 0.000 claims abstract description 15
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 15
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 15
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 15
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011787 zinc oxide Substances 0.000 claims abstract description 14
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 105
- 239000000243 solution Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 39
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 34
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 28
- 239000002041 carbon nanotube Substances 0.000 claims description 27
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 27
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 26
- 235000021355 Stearic acid Nutrition 0.000 claims description 25
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 25
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 25
- 239000008117 stearic acid Substances 0.000 claims description 25
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 22
- 230000032683 aging Effects 0.000 claims description 21
- 239000012188 paraffin wax Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 229910002804 graphite Inorganic materials 0.000 claims description 17
- 239000010439 graphite Substances 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 14
- 235000021314 Palmitic acid Nutrition 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 13
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 13
- 239000011259 mixed solution Substances 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims description 10
- -1 polyethylene terephthalate Polymers 0.000 claims description 10
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 10
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000004108 freeze drying Methods 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical group [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 5
- 238000003828 vacuum filtration Methods 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims 4
- 238000005491 wire drawing Methods 0.000 description 15
- 238000009413 insulation Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 238000005338 heat storage Methods 0.000 description 6
- 239000012774 insulation material Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004964 aerogel Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000002071 nanotube Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 239000004965 Silica aerogel Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/022—Carbon
- C04B14/024—Graphite
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/42—Glass
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0675—Macromolecular compounds fibrous from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0683—Polyesters, e.g. polylactides
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/36—Bituminous materials, e.g. tar, pitch
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Textile Engineering (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a high-strength glass fiber composite material and a preparation method thereof, wherein the composite material comprises the following raw materials: 10-15 parts of glass fiber, 10-15 parts of spinning fiber, 5-8 parts of additive, 20-25 parts of ethyl orthosilicate and 20-30 parts of ethanol; the glass fiber comprises the following raw materials in parts by weight: by weight, 60-65 parts of silicon dioxide, 20-25 parts of aluminum oxide, 10-15 parts of calcium oxide, 8-12 parts of magnesium oxide, 2-5 parts of zinc oxide and 1-1.5 parts of cerium dioxide. The glass fiber composite material with excellent heat-insulating property is prepared by utilizing the components such as silicon dioxide, graphene oxide and the like, has excellent mechanical property, contains the components such as spinning fiber and additives, can store heat and adjust temperature in a high-temperature environment, greatly improves the thermal stability of the composite material, can be applied to multiple fields, and has higher practicability.
Description
Technical Field
The invention relates to the technical field of heat insulation materials, in particular to a high-strength glass fiber composite material and a preparation method thereof.
Background
Thermal insulation materials (also called thermal insulation materials) can be widely used in the industrial fields of oil exploitation, oil refining, thermal power plant pipeline thermal insulation, furnace body thermal insulation, prefabricated thermal insulation pipes and the like, the building fields of building interior walls, roofs, house floors, and the like, the field of die-casting furnaces, the thermal insulation of escape capsules, the thermal insulation of automobile engines and exhaust pipes and the like, and are widely applied.
At present, the market of the heat insulation materials mainly takes heat insulation materials such as fibers, organic foams, perlite and the like as main materials, but the heat insulation materials have poor mechanical properties and thermal stability, cannot meet the requirements of people in actual use, and bring inconvenience to people.
Aiming at the problem, a high-strength glass fiber composite material and a preparation method thereof are designed, which are one of the technical problems to be solved urgently.
Disclosure of Invention
The invention aims to provide a high-strength glass fiber composite material and a preparation method thereof, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-strength glass fiber composite material comprises the following raw materials in parts by weight: 10-15 parts of glass fiber, 10-15 parts of spinning fiber, 5-8 parts of additive, 20-25 parts of ethyl orthosilicate and 20-30 parts of ethanol.
According to an optimized scheme, the glass fiber comprises the following raw materials in parts by weight: by weight, 60-65 parts of silicon dioxide, 20-25 parts of aluminum oxide, 10-15 parts of calcium oxide, 8-12 parts of magnesium oxide, 2-5 parts of zinc oxide and 1-1.5 parts of cerium dioxide.
According to an optimized scheme, the spinning fiber comprises the following raw materials in parts by weight: 10-15 parts of palmitic acid, 8-12 parts of stearic acid, 5-8 parts of carbon nano tube, 10-20 parts of polyethylene glycol terephthalate, 16-25 parts of dichloromethane and 16-19 parts of trifluoroacetic acid.
According to an optimized scheme, the additive comprises the following raw materials in parts by weight: by weight, 5-8 parts of graphene oxide, 3-6 parts of a reducing agent, 20-25 parts of stearic acid, 5-9 parts of expanded graphite and 18-24 parts of paraffin.
In an optimized scheme, the reducing agent is sodium bisulfite.
According to an optimized scheme, the preparation method of the high-strength glass fiber composite material comprises the following steps:
1) preparing materials;
2) preparing glass fibers:
3) preparing spinning fibers:
4) preparation of the additive:
5) preparing silicon dioxide sol;
6) and (3) taking the silica sol, adding spinning fibers, glass fibers and additives, and preparing the composite material.
The optimized scheme comprises the following steps:
1) preparing materials;
2) preparing glass fibers: taking silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide and cerium dioxide, stirring and mixing, heating to 1550-;
3) preparing spinning fibers:
a) mixing palmitic acid and stearic acid under stirring, keeping the temperature in an oven at 90-100 ℃ for 2-2.5h, keeping the temperature, placing in an ultrasonic water bath, ultrasonically vibrating, and cooling at room temperature to obtain a material A;
b) placing a carbon nano tube in a pretreatment solution, stirring, carrying out ultrasonic oscillation, carrying out vacuum filtration, washing to be neutral, and then placing in a vacuum drying oven for drying to obtain a pretreated carbon nano tube;
c) dissolving polyethylene terephthalate, dichloromethane and trifluoroacetic acid mixed solution, stirring, adding the material A, stirring, adding the pretreated carbon nano tube, performing ultrasonic treatment, and continuously stirring to obtain spinning solution; taking the spinning solution, placing the spinning solution in an injector, and spinning to obtain spinning fibers;
4) preparation of the additive:
a) taking a graphene oxide solution, performing ultrasonic dispersion, adding a reducing agent and stearic acid, mixing and stirring, placing in an oven at 90-95 ℃ for reaction for 3-3.5h, washing with water, and freeze-drying to obtain modified graphene;
b) taking the expanded graphite, acidifying, heating to 800-810 ℃, and heating for expansion for 25-30s to obtain a material B; taking paraffin, heating and stirring until the paraffin is molten, adding the material B, stirring, adding the modified graphene, and continuously stirring to obtain an additive;
5) heating ethyl orthosilicate, ethanol and deionized water to 45-50 ℃, stirring, adding hydrochloric acid, adjusting the pH to 3-4, continuing stirring, slowly dropwise adding ammonia water, adjusting the pH to 7-8, and continuing stirring to obtain silicon dioxide sol;
6) adding the spinning fiber and the glass fiber into the silica sol, stirring, adding the additive, continuously stirring, aging, cleaning with ethanol, aging in ethanol, cleaning with n-hexane, continuously aging in n-hexane, and drying to obtain the composite material.
The optimized scheme comprises the following steps:
1) preparing materials;
2) preparing glass fibers: taking silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide and cerium dioxide, stirring and mixing for 30-40min, heating to 1550-; the preparation of the glass fiber is carried out in the step 2), wherein the glass fiber comprises components such as silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide, cerium dioxide and the like, and the silicon dioxide is a main network former of the glass fiber and can be used as a framework structure of the glass fiber; the addition of the aluminum oxide can improve the chemical stability of the glass fiber, and the aluminum oxide tetrahedron coordination structure participates in the network structure of the glass fiber to improve the melting property and the devitrification property of the glass fiber; the calcium oxide and the magnesium oxide can provide exo ions of a network structure, so that the glass network structure is more compact, and the chemical stability and the mechanical property of the glass fiber are improved; the cerium dioxide is used as a rich rare earth resource, the addition cost is low, the high-temperature viscosity of the glass can be reduced, the valence change reaction is carried out at high temperature to generate oxygen, the clarification effect can be achieved in the preparation process of the glass fiber, the connection of a glass network framework is promoted, the bridge oxygen in the glass network structure is increased, the structure of the glass fiber is more compact, and the mechanical property and the chemical stability are improved.
3) Preparing spinning fibers:
a) mixing palmitic acid and stearic acid under stirring for 20-30min, keeping the temperature in an oven at 90-100 deg.C for 2-2.5h, placing in an ultrasonic water bath at 80-82 deg.C, ultrasonically vibrating for 2-3min, and cooling at room temperature to obtain material A;
b) placing the carbon nano tube in a pretreatment solution, stirring for 20-30min, ultrasonically oscillating for 5-5.5h, vacuum filtering, washing to be neutral, and then placing in a vacuum drying oven at 90-100 ℃ for drying to obtain a pretreated carbon nano tube;
c) dissolving polyethylene terephthalate, dichloromethane and trifluoroacetic acid mixed solution, stirring for 15-20min, adding material A, stirring for 20-30min, adding pretreated carbon nanotube, performing ultrasonic treatment for 3-5min, and continuously stirring for 25-30min to obtain spinning solution; taking the spinning solution, placing the spinning solution in an injector, and spinning to obtain spinning fibers; the preparation of the spinning fiber is carried out in the step 3) of the application, the spinning fiber comprises palmitic acid, stearic acid, carbon nano tubes and other components, a large amount of carboxyl and hydroxyl are distributed on the surface of the acidified nano tubes, the acidified nano tubes can be combined with carbonyl of polyethylene glycol terephthalate and carboxyl in dibasic fatty acid in a reaction mode, rich grooves are distributed on the surface of the obtained spinning fiber, a solid-liquid phase change material is prepared by adopting a method combining melt mixing and ultrasonic oscillation during preparation, the spinning fiber is prepared by utilizing an electrostatic spinning method, the spinning fiber has excellent heat storage and temperature regulation performance, heat storage and temperature regulation can be carried out on heat conducted in the composite material, and the heat stability of the composite material is greatly improved.
4) Preparation of the additive:
a) taking a graphene oxide solution, carrying out ultrasonic dispersion for 10-15min, adding a reducing agent and stearic acid, mixing and stirring for 10-15min, placing in an oven at 90-95 ℃ for reaction for 3-3.5h, washing with water, and carrying out freeze drying to obtain modified graphene;
b) taking the expanded graphite, acidifying, heating to 800-810 ℃, and heating for expansion for 25-30s to obtain a material B; heating paraffin to 80-90 ℃, stirring until the paraffin is molten, adding the material B, stirring for 1-1.2h, adding the modified graphene, and continuously stirring for 10-20min to obtain an additive; the additive prepared in the step 4) of the application comprises components such as graphene oxide, expanded graphite, paraffin and the like, wherein the graphene oxide can be used for preparing graphene aerogel, and the graphene aerogel is a carbon material with a porous net structure and can adsorb and coat the phase-change material, so that the heat transfer rate of the phase-change material is improved; the expanded graphite is a loose and porous vermicular substance obtained by intercalating, washing, drying and high-temperature expanding natural crystalline flake graphite, and has a large amount of network microporous structures, large specific surface area and high surface activity, so that the expanded graphite has good adsorption and coating properties; therefore, the graphene aerogel is matched with the expanded graphite to coat the paraffin, the additive is prepared, the additive has an excellent heat storage and temperature regulation effect, the additive and the spinning fiber are added into the silica sol together, and the prepared composite material has excellent thermal stability.
5) Heating ethyl orthosilicate, ethanol and deionized water to 45-50 ℃, stirring for 10-20min, adding hydrochloric acid, adjusting the pH to 3-4, continuing to stir for 2-2.5h, slowly dropwise adding ammonia water, adjusting the pH to 7-8, and continuing to stir for 10-15min to obtain silicon dioxide sol; preparing silicon dioxide sol in step 5);
6) adding the spinning fiber and the glass fiber into the silica sol, stirring for 20-30min, adding the additive, continuously stirring for 20-30min, aging for 24-26h, cleaning with ethanol, aging in ethanol for 24-26h, cleaning with n-hexane, continuously aging in n-hexane for 8-9h, and drying at 80-90 ℃ for 6-8h to obtain the composite material. In the step 6), the spinning fiber and the glass fiber are added into the silica sol, the spinning fiber and the glass fiber not only can play a role in supporting a framework and transferring stress, and the mechanical property of the composite material can be improved, but also the spinning fiber and the additive are matched with each other, so that the composite material has a relatively excellent heat storage and temperature regulation effect, the thermal stability of the composite material can be greatly improved, meanwhile, the composite material selects silica aerogel as a main body structure, the graphene oxide and the glass fiber both have certain heat insulation performance, and the prepared composite material is low in heat conductivity coefficient and excellent in heat insulation performance.
In the optimized scheme, in the step 2), the drawing temperature is 1340-1350 ℃, the drawing speed is 500-1250r/min, and the drawing time is 30-35 s.
According to an optimized scheme, in the step b) of the step 3), the pretreatment solution is a mixed solution of nitric acid and sulfuric acid, and the volume ratio of the nitric acid to the sulfuric acid is 1: (2-3).
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a high-strength glass fiber composite material and a preparation method thereof, the process design is reasonable, the component proportion is simple, the glass fiber composite material with excellent heat insulation performance is prepared by utilizing components such as silicon dioxide, graphene oxide and the like, the composite material has excellent mechanical property, and meanwhile, the composite material contains components such as spinning fibers, additives and the like, so that the heat storage and temperature adjustment can be carried out on the composite material in a high-temperature environment, the thermal stability of the composite material is greatly improved, the composite material can be applied to multiple fields, and the high-strength glass fiber composite material has high practicability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Example 1:
s1: preparing materials;
s2: preparing glass fibers:
taking silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide and cerium dioxide, stirring and mixing for 30min, heating to 1550 ℃, carrying out heat preservation reaction for 10h, then placing glass liquid in a mold for processing and molding, annealing after molding, keeping the temperature for 1h at the annealing temperature of 600 ℃, cooling along with a furnace, placing in a wire drawing machine for wire drawing after cooling, wherein the wire drawing temperature is 1340 ℃, the wire drawing speed is 500r/min, and the wire drawing time is 30s, thus obtaining the glass fiber;
s3: preparing spinning fibers:
mixing palmitic acid and stearic acid under stirring for 20min, keeping the temperature in an oven at 90 ℃ for 2h, placing in an ultrasonic water bath at 80 ℃, ultrasonically vibrating for 2min, and cooling at room temperature to obtain a material A;
placing a carbon nano tube in the pretreatment solution, stirring for 20min, ultrasonically oscillating for 5h, carrying out vacuum filtration, washing to be neutral, and then placing in a vacuum drying oven at 90 ℃ for drying to obtain a pretreated carbon nano tube; the pretreatment solution is a mixed solution of nitric acid and sulfuric acid, and the volume ratio of the nitric acid to the sulfuric acid is 1: 2;
dissolving polyethylene terephthalate, dichloromethane and trifluoroacetic acid mixed solution, stirring for 15min, adding the material A, stirring for 20min, adding the pretreated carbon nanotube, performing ultrasonic treatment for 3min, and continuously stirring for 25min to obtain spinning solution; taking the spinning solution, placing the spinning solution in an injector, and spinning to obtain spinning fibers;
s4: preparation of the additive:
taking a graphene oxide solution, carrying out ultrasonic dispersion for 10min, adding a reducing agent and stearic acid, mixing and stirring for 10min, placing in a 90 ℃ oven for reaction for 3h, washing with water, and freeze-drying to obtain modified graphene;
taking expanded graphite, acidifying, heating to 800 ℃, and expanding for 25s to obtain a material B; taking paraffin, heating to 80 ℃, stirring until the paraffin is molten, adding the material B, stirring for 1h, adding the modified graphene, and continuously stirring for 10min to obtain an additive;
s5: preparation of silica sol:
heating ethyl orthosilicate, ethanol and deionized water to 45 ℃, stirring for 10min, adding hydrochloric acid, adjusting the pH to 3, continuing stirring for 2h, slowly dropwise adding ammonia water, adjusting the pH to 7, and continuing stirring for 10min to obtain silicon dioxide sol;
s6: adding the spinning fiber and the glass fiber into the silica sol, stirring for 20min, adding the additive, continuously stirring for 20min, aging for 24h, cleaning with ethanol, aging in ethanol for 24h, cleaning with n-hexane, continuously aging in n-hexane for 8h, and drying at 80 ℃ for 6h to obtain the composite material.
In this embodiment, the composite material comprises the following raw materials: 10 parts of glass fiber, 10 parts of spinning fiber, 5 parts of additive, 20 parts of ethyl orthosilicate and 20 parts of ethanol.
Wherein the glass fiber comprises the following raw materials in parts by weight: by weight, 60 parts of silicon dioxide, 20 parts of aluminum oxide, 10 parts of calcium oxide, 8 parts of magnesium oxide, 2 parts of zinc oxide and 1 part of cerium dioxide. The spinning fiber comprises the following raw materials in parts by weight: 10 parts of palmitic acid, 8 parts of stearic acid, 5 parts of carbon nano tube, 10 parts of polyethylene terephthalate, 16 parts of dichloromethane and 16 parts of trifluoroacetic acid.
The additive comprises the following raw materials: by weight, 5 parts of graphene oxide, 3 parts of a reducing agent, 20 parts of stearic acid, 5 parts of expanded graphite and 18 parts of paraffin. The reducing agent is sodium bisulfite.
Example 2:
s1: preparing materials;
s2: preparing glass fibers:
taking silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide and cerium dioxide, stirring and mixing for 35min, heating to 1555 ℃, carrying out heat preservation reaction for 11h, then placing glass liquid in a mold for processing and molding, annealing after molding, keeping the annealing temperature at 605 ℃, carrying out heat preservation for 1.2h, cooling along with a furnace, placing in a wire drawing machine for wire drawing after cooling, wherein the wire drawing temperature is 1345 ℃, the wire drawing speed is 1000r/min, and the wire drawing time is 33s, so as to obtain glass fibers;
s3: preparing spinning fibers:
mixing palmitic acid and stearic acid under stirring for 25min, keeping the temperature in an oven at 95 ℃ for 2.3h, placing in an ultrasonic water bath at 81 ℃, ultrasonically vibrating for 2.5min, and cooling at room temperature to obtain a material A;
placing a carbon nano tube in the pretreatment solution, stirring for 25min, ultrasonically oscillating for 5.2h, carrying out vacuum filtration, washing to be neutral, and then placing in a vacuum drying oven at 95 ℃ for drying to obtain a pretreated carbon nano tube; the pretreatment solution is a mixed solution of nitric acid and sulfuric acid, and the volume ratio of the nitric acid to the sulfuric acid is 1: 2.5;
dissolving polyethylene terephthalate, dichloromethane and trifluoroacetic acid mixed solution, stirring for 18min, adding the material A, stirring for 25min, adding the pretreated carbon nanotube, performing ultrasonic treatment for 4min, and continuously stirring for 28min to obtain spinning solution; taking the spinning solution, placing the spinning solution in an injector, and spinning to obtain spinning fibers;
s4: preparation of the additive:
taking a graphene oxide solution, carrying out ultrasonic dispersion for 13min, adding a reducing agent and stearic acid, mixing and stirring for 12min, placing in a 92 ℃ oven for reaction for 3.2h, washing with water, and freeze-drying to obtain modified graphene;
taking expanded graphite, acidifying, heating to 805 ℃, and heating for expansion for 28s to obtain a material B; taking paraffin, heating to 85 ℃, stirring until the paraffin is molten, adding the material B, stirring for 1.1h, adding the modified graphene, and continuously stirring for 15min to obtain an additive;
s5: preparation of silica sol:
heating ethyl orthosilicate, ethanol and deionized water to 48 ℃, stirring for 18min, adding hydrochloric acid, adjusting the pH to 3.5, continuing to stir for 2.2h, slowly dropwise adding ammonia water, adjusting the pH to 7.5, and continuing to stir for 12min to obtain silicon dioxide sol;
s6: adding the spinning fiber and the glass fiber into the silica sol, stirring for 25min, adding the additive, continuously stirring for 28min, aging for 25h, cleaning with ethanol, aging in ethanol for 25h, cleaning with n-hexane, continuously aging in n-hexane for 8.5h, and drying at 85 ℃ for 7h to obtain the composite material.
In this embodiment, the composite material comprises the following raw materials: by weight, 12 parts of glass fiber, 13 parts of spinning fiber, 7 parts of additive, 22 parts of ethyl orthosilicate and 25 parts of ethanol.
Wherein the glass fiber comprises the following raw materials in parts by weight: by weight, 61 parts of silicon dioxide, 24 parts of aluminum oxide, 12 parts of calcium oxide, 10 parts of magnesium oxide, 4 parts of zinc oxide and 1.2 parts of cerium dioxide. The spinning fiber comprises the following raw materials in parts by weight: by weight, 14 parts of palmitic acid, 10 parts of stearic acid, 6 parts of carbon nano tube, 18 parts of polyethylene terephthalate, 21 parts of dichloromethane and 18 parts of trifluoroacetic acid.
The additive comprises the following raw materials: by weight, 7 parts of graphene oxide, 5 parts of a reducing agent, 24 parts of stearic acid, 8 parts of expanded graphite and 22 parts of paraffin. The reducing agent is sodium bisulfite.
Example 3:
s1: preparing materials;
s2: preparing glass fibers:
taking silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide and cerium dioxide, stirring and mixing for 40min, heating to 1560 ℃, carrying out heat preservation reaction for 12h, then placing glass liquid in a mold for processing and molding, annealing after molding, keeping the temperature for 1.5h at the annealing temperature of 610 ℃, cooling along with a furnace, placing in a wire drawing machine for wire drawing after cooling, wherein the wire drawing temperature is 1350 ℃, the wire drawing speed is 1250r/min, and the wire drawing time is 35s, thus obtaining the glass fiber;
s3: preparing spinning fibers:
mixing palmitic acid and stearic acid under stirring for 30min, keeping the temperature in an oven at 100 ℃ for 2.5h, placing in an ultrasonic water bath at 82 ℃ after keeping the temperature, ultrasonically vibrating for 3min, and cooling at room temperature to obtain a material A;
placing a carbon nano tube in the pretreatment solution, stirring for 30min, ultrasonically oscillating for 5.5h, carrying out vacuum filtration, washing to be neutral, and then placing in a vacuum drying oven at 100 ℃ for drying to obtain a pretreated carbon nano tube; the pretreatment solution is a mixed solution of nitric acid and sulfuric acid, and the volume ratio of the nitric acid to the sulfuric acid is 1: 3;
dissolving polyethylene terephthalate, dichloromethane and trifluoroacetic acid mixed solution, stirring for 20min, adding the material A, stirring for 30min, adding the pretreated carbon nanotube, performing ultrasonic treatment for 5min, and continuously stirring for 30min to obtain spinning solution; taking the spinning solution, placing the spinning solution in an injector, and spinning to obtain spinning fibers;
s4: preparation of the additive:
taking a graphene oxide solution, carrying out ultrasonic dispersion for 15min, adding a reducing agent and stearic acid, mixing and stirring for 15min, placing in a 95 ℃ oven for reaction for 3.5h, washing with water, and freeze-drying to obtain modified graphene;
taking expanded graphite, acidifying, heating to 810 ℃, and heating for expansion for 30s to obtain a material B; taking paraffin, heating to 90 ℃, stirring until the paraffin is molten, adding the material B, stirring for 1.2h, adding the modified graphene, and continuously stirring for 20min to obtain an additive;
s5: preparation of silica sol:
heating ethyl orthosilicate, ethanol and deionized water to 50 ℃, stirring for 20min, adding hydrochloric acid, adjusting the pH to 4, continuing to stir for 2.5h, slowly dropwise adding ammonia water, adjusting the pH to 8, and continuing to stir for 15min to obtain silicon dioxide sol;
s6: adding the spinning fiber and the glass fiber into the silica sol, stirring for 30min, adding the additive, continuously stirring for 30min, aging for 26h, cleaning with ethanol, aging in ethanol for 26h, cleaning with n-hexane, continuously aging in n-hexane for 9h, and drying at 90 ℃ for 8h to obtain the composite material.
In this embodiment, the composite material comprises the following raw materials: by weight, 15 parts of glass fiber, 15 parts of spinning fiber, 8 parts of additive, 25 parts of ethyl orthosilicate and 30 parts of ethanol.
Wherein the glass fiber comprises the following raw materials in parts by weight: by weight, 65 parts of silicon dioxide, 25 parts of aluminum oxide, 15 parts of calcium oxide, 12 parts of magnesium oxide, 5 parts of zinc oxide and 1.5 parts of cerium dioxide. The spinning fiber comprises the following raw materials in parts by weight: by weight, 15 parts of palmitic acid, 12 parts of stearic acid, 8 parts of carbon nano tube, 20 parts of polyethylene terephthalate, 25 parts of dichloromethane and 19 parts of trifluoroacetic acid.
The additive comprises the following raw materials: by weight, 8 parts of graphene oxide, 6 parts of a reducing agent, 25 parts of stearic acid, 9 parts of expanded graphite and 24 parts of paraffin. The reducing agent is sodium bisulfite.
Experiment 1:
1. taking the composite materials prepared in the examples 1-3, respectively adopting an HFM436/3/0 heat conductivity coefficient tester to test the heat conductivity coefficient of the materials according to GB/T10295-2008 ' determination of steady-state thermal resistance and related characteristics of heat-insulating materials ' heat flow meter method ';
2. the composite materials prepared in examples 1 to 3 were tested for their compression properties by means of a universal tester (sample size 30 mm. times.30 mm. times.6 mm, loading rate 2 mm/min).
Specific data can be shown in the following table:
| item | Example 1 | Example 2 | Example 3 |
| Compressive Strength (30% pressure Change)/KPa | 24.68 | 25.13 | 25.11 |
| Compressive Strength (60% pressure Change)/KPa | 190.25 | 193.51 | 192.47 |
| Coefficient of thermal conductivity (W.m)-1·K-1) | 0.023 | 0.021 | 0.024 |
3. The composite materials prepared in examples 1-3 were tested for thermal stability in air atmosphere (air flow rate 50mL/min, temperature range 40-1000 deg.C, temperature rise rate 20 deg.C/min) using SDTQ600 thermogravimetry-differential thermal analyzer (TG-DTA)
After experiments, the composite material prepared by the invention has excellent thermal stability, the total mass loss of the composite material is 3.2-3.4% when the experiment temperature is increased to 650 ℃, and the total mass loss of the composite material is 3.9-4.1% when the experiment temperature is increased to 1000 ℃.
And (4) conclusion: according to the invention, the glass fiber composite material with excellent heat-insulating property is prepared by utilizing components such as silicon dioxide and graphene oxide, the composite material has excellent mechanical property, and meanwhile, the glass fiber composite material contains components such as spinning fiber and additives, so that the composite material can be subjected to heat storage and temperature adjustment in a high-temperature environment, the thermal stability of the composite material is greatly improved, and the glass fiber composite material can be applied to multiple fields and has higher practicability.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. A high-strength glass fiber composite material is characterized in that: the composite material comprises the following raw materials in parts by weight: 10-15 parts of glass fiber, 10-15 parts of spinning fiber, 5-8 parts of additive, 20-25 parts of ethyl orthosilicate and 20-30 parts of ethanol;
the glass fiber comprises the following raw materials in parts by weight: 60-65 parts of silicon dioxide, 20-25 parts of aluminum oxide, 10-15 parts of calcium oxide, 8-12 parts of magnesium oxide, 2-5 parts of zinc oxide and 1-1.5 parts of cerium dioxide by weight;
the spinning fiber comprises the following raw materials in parts by weight: 10-15 parts of palmitic acid, 8-12 parts of stearic acid, 5-8 parts of carbon nano tube, 10-20 parts of polyethylene glycol terephthalate, 16-25 parts of dichloromethane and 16-19 parts of trifluoroacetic acid;
the additive comprises the following raw materials in parts by weight: 5-8 parts of graphene oxide, 3-6 parts of a reducing agent, 20-25 parts of stearic acid, 5-9 parts of expanded graphite and 18-24 parts of paraffin by weight;
the preparation method comprises the following steps:
1) preparing materials;
2) preparing glass fibers: taking silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide and cerium dioxide, stirring and mixing, heating to 1550-;
3) preparing spinning fibers:
a) mixing palmitic acid and stearic acid under stirring, keeping the temperature in an oven at 90-100 ℃ for 2-2.5h, keeping the temperature, placing in an ultrasonic water bath, ultrasonically vibrating, and cooling at room temperature to obtain a material A;
b) placing a carbon nano tube in a pretreatment solution, stirring, carrying out ultrasonic oscillation, carrying out vacuum filtration, washing to be neutral, and then placing in a vacuum drying oven for drying to obtain a pretreated carbon nano tube;
c) dissolving polyethylene terephthalate, dichloromethane and trifluoroacetic acid mixed solution, stirring, adding the material A, stirring, adding the pretreated carbon nano tube, performing ultrasonic treatment, and continuously stirring to obtain spinning solution; taking the spinning solution, placing the spinning solution in an injector, and spinning to obtain spinning fibers;
4) preparation of the additive:
a) taking a graphene oxide solution, performing ultrasonic dispersion, adding a reducing agent and stearic acid, mixing and stirring, placing in an oven at 90-95 ℃ for reaction for 3-3.5h, washing with water, and freeze-drying to obtain modified graphene;
b) taking the expanded graphite, acidifying, heating to 800-810 ℃, and heating for expansion for 25-30s to obtain a material B; taking paraffin, heating and stirring until the paraffin is molten, adding the material B, stirring, adding the modified graphene, and continuously stirring to obtain an additive;
5) heating ethyl orthosilicate, ethanol and deionized water to 45-50 ℃, stirring, adding hydrochloric acid, adjusting the pH to 3-4, continuing stirring, slowly dropwise adding ammonia water, adjusting the pH to 7-8, and continuing stirring to obtain silicon dioxide sol;
6) adding the spinning fiber and the glass fiber into the silica sol, stirring, adding the additive, continuously stirring, aging, cleaning with ethanol, aging in ethanol, cleaning with n-hexane, continuously aging in n-hexane, and drying to obtain the composite material.
2. A high strength fiberglass composite according to claim 1, wherein: the reducing agent is sodium bisulfite.
3. A high strength fiberglass composite according to claim 1, wherein: the method comprises the following steps:
1) preparing materials;
2) preparing glass fibers: taking silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, zinc oxide and cerium dioxide, stirring and mixing for 30-40min, heating to 1550-;
3) preparing spinning fibers:
d) mixing palmitic acid and stearic acid under stirring for 20-30min, keeping the temperature in an oven at 90-100 deg.C for 2-2.5h, placing in an ultrasonic water bath at 80-82 deg.C, ultrasonically vibrating for 2-3min, and cooling at room temperature to obtain material A;
e) placing the carbon nano tube in a pretreatment solution, stirring for 20-30min, ultrasonically oscillating for 5-5.5h, vacuum filtering, washing to be neutral, and then placing in a vacuum drying oven at 90-100 ℃ for drying to obtain a pretreated carbon nano tube;
f) dissolving polyethylene terephthalate, dichloromethane and trifluoroacetic acid mixed solution, stirring for 15-20min, adding material A, stirring for 20-30min, adding pretreated carbon nanotube, performing ultrasonic treatment for 3-5min, and continuously stirring for 25-30min to obtain spinning solution; taking the spinning solution, placing the spinning solution in an injector, and spinning to obtain spinning fibers;
4) preparation of the additive:
c) taking a graphene oxide solution, carrying out ultrasonic dispersion for 10-15min, adding a reducing agent and stearic acid, mixing and stirring for 10-15min, placing in an oven at 90-95 ℃ for reaction for 3-3.5h, washing with water, and carrying out freeze drying to obtain modified graphene;
d) taking the expanded graphite, acidifying, heating to 800-810 ℃, and heating for expansion for 25-30s to obtain a material B; heating paraffin to 80-90 ℃, stirring until the paraffin is molten, adding the material B, stirring for 1-1.2h, adding the modified graphene, and continuously stirring for 10-20min to obtain an additive;
5) heating ethyl orthosilicate, ethanol and deionized water to 45-50 ℃, stirring for 10-20min, adding hydrochloric acid, adjusting the pH to 3-4, continuing to stir for 2-2.5h, slowly dropwise adding ammonia water, adjusting the pH to 7-8, and continuing to stir for 10-15min to obtain silicon dioxide sol;
6) adding the spinning fiber and the glass fiber into the silica sol, stirring for 20-30min, adding the additive, continuously stirring for 20-30min, aging for 24-26h, cleaning with ethanol, aging in ethanol for 24-26h, cleaning with n-hexane, continuously aging in n-hexane for 8-9h, and drying at 80-90 ℃ for 6-8h to obtain the composite material.
4. A high strength fiberglass composite according to claim 3, wherein: in the step 2), the drawing temperature is 1340-1350 ℃, the drawing speed is 500-1250r/min, and the drawing time is 30-35 s.
5. A high strength fiberglass composite according to claim 3, wherein: in the step b) of the step 3), the pretreatment solution is a mixed solution of nitric acid and sulfuric acid, and the volume ratio of the nitric acid to the sulfuric acid is 1: (2-3).
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| CN1070019A (en) * | 1992-09-22 | 1993-03-17 | 赖明三 | A kind of processing method of antistatic antibiotic fiber |
| CN107012535A (en) * | 2016-01-28 | 2017-08-04 | 海南大学 | A kind of method for preparing graphene/glass composite fibre |
| CN107557913A (en) * | 2017-08-01 | 2018-01-09 | 东华大学 | A kind of two-dimension netted superfine carbon nano-fiber materials and preparation method thereof |
| CN108689624A (en) * | 2018-07-06 | 2018-10-23 | 佛山陵朝新材料有限公司 | A kind of high mating type discards the preparation method of rubber powder composite mortar material |
| CN110723905A (en) * | 2019-11-05 | 2020-01-24 | 江苏华鸥玻璃有限公司 | Brown high-strength reagent bottle glass material and preparation method thereof |
Also Published As
| Publication number | Publication date |
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| CN111517748A (en) | 2020-08-11 |
| CN112573893A (en) | 2021-03-30 |
| CN112694313A (en) | 2021-04-23 |
| CN111517748B8 (en) | 2021-03-30 |
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Correction item: Patentee|Address Correct: Xu Qianqian|325600 No.493 Xinfang Village, Dajing Town, Yueqing City, Wenzhou City, Zhejiang Province False: Yueqing Fengjie Electronic Technology Co.,Ltd.|325600 No.152 Sanchi Road, Xirendang Village, Liushi Town, Yueqing City, Zhejiang Province Number: 11-02 Page: The title page Volume: 37 Correction item: Patentee|Address Correct: Xu Qianqian|325600 No.493 Xinfang Village, Dajing Town, Yueqing City, Wenzhou City, Zhejiang Province False: Yueqing Fengjie Electronic Technology Co.,Ltd.|325600 No.152 Sanchi Road, Xirendang Village, Liushi Town, Yueqing City, Zhejiang Province Number: 11-02 Volume: 37 |
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