CN114988761A - Basalt fiber composite material and preparation method and application thereof - Google Patents
Basalt fiber composite material and preparation method and application thereof Download PDFInfo
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- CN114988761A CN114988761A CN202210641040.9A CN202210641040A CN114988761A CN 114988761 A CN114988761 A CN 114988761A CN 202210641040 A CN202210641040 A CN 202210641040A CN 114988761 A CN114988761 A CN 114988761A
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- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 95
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003063 flame retardant Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 238000009957 hemming Methods 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 10
- 239000011256 inorganic filler Substances 0.000 claims abstract description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 10
- 238000007598 dipping method Methods 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 abstract description 11
- 239000001301 oxygen Substances 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012796 inorganic flame retardant Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/003—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised by the matrix material, e.g. material composition or physical properties
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
- B29C70/021—Combinations of fibrous reinforcement and non-fibrous material
- B29C70/025—Combinations of fibrous reinforcement and non-fibrous material with particular filler
-
- 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
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a basalt fiber composite material and a preparation method and application thereof. The basalt fiber composite material comprises a basalt fiber system and a resin system, wherein the basalt fiber system comprises the following components in parts by weight: 110 parts of basalt fiber roving and 20 parts of basalt fiber hemming felt; the resin system comprises the following components in parts by weight: 50-60 parts of resin, 1-3 parts of release agent, 5-8 parts of inorganic filler and 10-14 parts of flame-retardant filler. The preparation method of the basalt fiber composite material comprises the following steps: s1, adding the resin, the release agent, the inorganic filler and the flame-retardant filler into a stirring barrel, uniformly stirring, and placing into a glue dipping tank; s2, enabling the basalt fiber twistless roving to pass through a glue dipping tank and be fully soaked; and S3, pulling the basalt fiber hemming felt and the impregnated basalt fiber twistless roving into a mold, and extruding, curing and molding in the mold. The basalt fiber composite material disclosed by the invention has the characteristics of high longitudinal tensile strength, high longitudinal bending strength and high oxygen index.
Description
Technical Field
The invention relates to the technical field of cable bridges, in particular to a basalt fiber composite material and a preparation method and application thereof.
Background
Due to the continuous development of the construction industry, the requirements of the performance of the cable bridge product are increased. A rigid structural system which is formed by groove type, tray type or step type straight line sections, elbows, tees, four-way components, support arms (arm type supports), hangers and the like and is used for supporting cables in a sealing manner is called a cable bridge (a bridge for short). The inner bridge of the building can be independently erected and also laid on various buildings (structures) and pipe gallery supports, and the inner bridge has the advantages of simple structure, attractive appearance, flexible configuration and convenient maintenance. The bridge frame installed outside the building in the open air needs to be galvanized.
In the working condition with flame retardant requirement, the cable bridge frame is generally formed into a closed or semi-closed structure by adding plates and materials with fire-resistant or flame-retardant property into a cable ladder frame and a tray, and measures such as coating fireproof coatings on the surfaces of the cable bridge frame and a support and hanger thereof are taken, but the whole weight of the cable bridge frame is undoubtedly increased, and the construction cost is increased.
At present, for working conditions with flame-retardant requirements, composite materials are generally adopted to prepare flame-retardant cable bridges, but the composite materials commonly used in the market have the combustion performance of V-0 level, the oxygen index performance parameter of below 40 percent and poor flame-retardant effect.
The basalt fiber is a continuous fiber drawn from natural basalt, and is a continuous fiber drawn from basalt stone at high speed through a platinum-rhodium alloy wire drawing bushing after melting at 1450-1500 ℃. The pure natural basalt fiber is generally brown in color.
The basalt fiber is a novel inorganic green environment-friendly high-performance fiber material, and consists of oxides such as silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, iron oxide, titanium dioxide and the like. The basalt continuous fiber has high strength, and also has various excellent performances of electrical insulation, corrosion resistance, high temperature resistance and the like. In addition, the production process of the basalt fiber determines that the produced waste is less, the environmental pollution is less, and the product can be directly degraded in the environment after being discarded without any harm, so the basalt fiber is a real green and environment-friendly material. Basalt fibers are taken as one of four major fibers (carbon fibers, aramid fibers, ultra-high molecular weight polyethylene and basalt fibers) which are mainly developed in China, and industrial production is realized. The basalt continuous fiber has been widely applied in various aspects such as fiber reinforced composite materials, friction materials, shipbuilding materials, heat insulation materials, automobile industry, high-temperature filter fabrics, protection fields and the like.
Basalt fiber is a novel green high-performance inorganic material, and after the basalt fiber is listed as a national key strategic material, downstream composite materials and related products are in a period of direct and violent development. The basalt fiber has excellent mechanical, electrical and thermal properties, so that the downstream composite material has great application value in various fields.
Disclosure of Invention
The application provides a basalt fiber composite material, a preparation method and an application thereof in order to solve the technical problems.
The application is realized by the following technical scheme:
the basalt fiber composite material comprises a basalt fiber system and a resin system, wherein the basalt fiber system comprises the following components in parts by weight: 110 parts of basalt fiber roving and 20 parts of basalt fiber hemming felt;
the resin system comprises the following components in parts by weight: 50-60 parts of resin, 1-3 parts of release agent, 5-8 parts of inorganic filler and 10-14 parts of flame-retardant filler.
The basalt fiber untwisted roving and the basalt fiber hemming felt are products in different forms made of basalt fibers. The basalt fiber roving is a basalt fiber product formed by combining a plurality of parallel strands or single parallel strands in a non-twisted state. The strength, the hardness and other product performances of the basalt fiber roving and the basalt fiber hemming felt are different due to different preparation processes. For example, basalt fiber roving has much higher strength in the fiber direction than basalt fiber hemelt.
Preferably, the resin system comprises the following components in parts by weight: 55 parts of resin, 2 parts of release agent, 6 parts of inorganic filler and 12 parts of flame-retardant filler.
Further, the resin is epoxy modified phenolic resin, the release agent is polyether series release agent, the inorganic filler is one or more of calcium carbonate powder, mica powder, kaolin powder and montmorillonite powder, and the flame retardant filler is one or two of nitrogen-phosphorus intumescent flame retardant and aluminum hydroxide powder.
The application also provides a preparation method of the basalt fiber composite material, which comprises the following steps: s1, adding the resin, the release agent, the inorganic filler and the flame-retardant filler into a stirring barrel, uniformly stirring, and placing into a glue dipping tank; s2, enabling the basalt fiber twistless roving to pass through a glue dipping tank and be fully soaked; and S3, feeding the basalt fiber hemming felt and the impregnated basalt fiber twistless roving into a mold, and extruding, curing and molding.
Further, the basalt fiber hemming felt is cut out to a predetermined size before step S3.
Further, the basalt fiber hemming felt and the soaked basalt fiber twistless roving pass through a die at a speed of 25-80 cm/min.
Further, the mold is divided into a front section, a middle section and a rear section, wherein the temperature of the front section is 70-150 ℃, the temperature of the middle section is 150-.
Furthermore, the material of the mould is P20 steel, and the heat conduction effect that the inner surface of the mould needs to be evenly plated with chrome steel material is better.
Furthermore, the lengths of the front section, the middle section and the rear section of the die are all 30 cm.
The application also provides an application of the basalt fiber composite material in a cable bridge.
Compared with the prior art, the method has the following beneficial effects:
the invention discloses a basalt fiber composite material which is high in longitudinal tensile strength and longitudinal bending strength, has an oxygen index of over 80 percent, effectively improves flame retardant property, and belongs to the leading level of the industry. Secondly, the preparation process of the basalt fiber composite material is simple and the cost is low. The basalt fiber composite material is particularly suitable for producing flame-retardant plates in cable bridges, and can meet the requirements of sections with flame-retardant requirements.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a flow chart diagram of a method of making a basalt fiber composite material.
Detailed Description
In order to make the objects, technical solutions and advantages 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 drawings in the embodiments. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments.
Example one
A basalt fiber composite material comprises a basalt fiber system and a resin system, wherein the basalt fiber system comprises the following components in parts by weight: 110 parts of basalt fiber roving and 20 parts of basalt fiber hemming felt; the resin system comprises the following components in parts by weight: 50 parts of epoxy modified phenolic resin, 1 part of polyether series release agent, 5 parts of 1200-mesh calcium carbonate powder and 10 parts of nitrogen-phosphorus intumescent flame retardant.
The preparation method of the basalt fiber composite material comprises the following steps: s1, adding the epoxy modified phenolic resin, the polyether series release agent, the calcium carbonate powder and the nitrogen-phosphorus intumescent flame retardant into a stirring barrel, uniformly stirring, and then placing into a glue dipping tank; s2, enabling the basalt fiber twistless roving to pass through a glue dipping tank and be fully soaked; s3, feeding the basalt fiber hemming felt cut into the preset size and the basalt fiber roving subjected to gum dipping into a steel mold, extruding, solidifying and molding the basalt fiber hemming felt and the basalt fiber roving through the mold at the speed of 25-80cm/min, wherein the mold is divided into a front section, a middle section and a rear section, the lengths of the front section, the middle section and the rear section are all 30cm, the temperature of the front section is 70-150 ℃, the temperature of the middle section is 150-.
Example two
A basalt fiber composite material comprises a basalt fiber system and a resin system, wherein the basalt fiber system comprises the following components in parts by weight: 110 parts of basalt fiber roving and 20 parts of basalt fiber hemming felt; the resin system comprises the following components in parts by weight: 55 parts of epoxy modified phenolic resin, 2 parts of polyether series release agent, 6 parts of 1200-mesh calcium carbonate powder and 12 parts of nitrogen-phosphorus intumescent flame retardant.
The preparation steps of the basalt fiber composite material are the same as those in the first embodiment.
EXAMPLE III
A basalt fiber composite material comprises a basalt fiber system and a resin system, wherein the basalt fiber system comprises the following components in parts by weight: 110 parts of basalt fiber roving and 20 parts of basalt fiber hemming felt; the resin system comprises the following components in parts by weight: 60 parts of epoxy modified phenolic resin, 3 parts of polyether series release agent, 8 parts of 1200-mesh calcium carbonate powder and 14 parts of nitrogen-phosphorus intumescent flame retardant.
The preparation steps of the basalt fiber composite material are the same as those in the first embodiment.
The oxygen index, the longitudinal tensile strength and the longitudinal tensile strength of the basalt fiber composite material prepared in each embodiment are respectively measured according to an oxygen index method (GB/T8924-:
TABLE 1 measurement results of oxygen index, machine direction tensile strength and machine direction bending strength
| Group of | Longitudinal tensile Strength (MPa) | Longitudinal bending Strength (MPa) | Oxygen index (%) |
| Example one | 403 | 372 | 82％ |
| Example two | 477 | 404 | 87％ |
| EXAMPLE III | 449 | 398 | 87％ |
The basalt fiber composite material provided by the invention has good longitudinal tensile strength and longitudinal bending strength, and the oxygen index can reach more than 80%, wherein the oxygen index can even reach 87% on the premise of ensuring the performances of two products, namely the longitudinal tensile strength and the longitudinal bending strength, and is obviously higher than the oxygen index of a common composite material on the market, so that the flame retardant property of the composite material is effectively improved.
In conclusion, the basalt fiber composite material related by the invention has the oxygen index of over 80 percent, effectively improves the flame retardant property, and belongs to the industry leading level; the tensile strength can reach more than 400Mpa, which is 100 times of that of the inorganic flame-retardant plate material. Secondly, the preparation process of the basalt fiber composite material is simple and the cost is low. The cable bridge flame-retardant plate produced by using the basalt fiber composite material can meet the requirement of working conditions with flame-retardant requirements.
The above embodiments are provided to explain the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of 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 scope of the present invention.
Claims (10)
1. A basalt fiber composite material is characterized in that: the basalt fiber composite material comprises a basalt fiber system and a resin system, wherein the basalt fiber system comprises the following components in parts by weight: 110 parts of basalt fiber roving and 20 parts of basalt fiber hemming felt;
the resin system comprises the following components in parts by weight: 50-60 parts of resin, 1-3 parts of release agent, 5-8 parts of inorganic filler and 10-14 parts of flame-retardant filler.
2. The basalt fiber composite of claim 1, wherein: the resin system comprises the following components in parts by weight: 55 parts of resin, 2 parts of release agent, 6 parts of inorganic filler and 12 parts of flame-retardant filler.
3. The basalt fiber composite according to claim 2, wherein: the resin is epoxy modified phenolic resin, the release agent is polyether series release agent, the inorganic filler is one or more of calcium carbonate powder, mica powder, kaolin powder and montmorillonite powder, and the flame-retardant filler is one or two of nitrogen-phosphorus intumescent flame retardant and aluminum hydroxide powder.
4. A method for producing a basalt fiber composite material according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
s1, adding the resin, the release agent, the inorganic filler and the flame-retardant filler into a stirring barrel, uniformly stirring, and placing into a glue dipping tank;
s2, enabling the basalt fiber twistless roving to pass through a glue dipping tank and be fully soaked;
and S3, pulling the basalt fiber hemming felt and the impregnated basalt fiber twistless roving into a mold, and performing pultrusion, curing and molding.
5. The method of claim 4, wherein: the basalt fiber hemming felt is trimmed to a predetermined size before step S3.
6. The method of claim 5, wherein: and the basalt fiber hemming felt and the soaked basalt fiber twistless roving pass through a die at a speed of 25-80 cm/min.
7. The method of claim 6, wherein: the mold is divided into a front section, a middle section and a rear section, wherein the temperature of the front section is 70-150 ℃, the temperature of the middle section is 150-180 ℃, and the temperature of the rear section is 180-220 ℃.
8. The production method according to claim 6 or 7, characterized in that: the die is made of steel, and the inner surface of the die is plated with chrome.
9. The method of claim 8, wherein: the lengths of the front section, the middle section and the rear section of the die are all 30 cm.
10. Use of the basalt fiber composite of any of claims 1-3 in a cable tray.
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| CN106243631A (en) * | 2016-07-30 | 2016-12-21 | 山西晋投玄武岩开发有限公司 | The basalt fibre of a kind of pultrusion strengthens composite of thermosetting resin and preparation method thereof |
| CN106938548A (en) * | 2016-01-05 | 2017-07-11 | 科思创聚合物（中国）有限公司 | Fiber reinforced polymer composites and preparation method thereof |
| CN108342053A (en) * | 2017-01-25 | 2018-07-31 | 中国科学院长春应用化学研究所 | A kind of cable trough composite material, preparation method and its cable trough |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938548A (en) * | 2016-01-05 | 2017-07-11 | 科思创聚合物（中国）有限公司 | Fiber reinforced polymer composites and preparation method thereof |
| CN106243631A (en) * | 2016-07-30 | 2016-12-21 | 山西晋投玄武岩开发有限公司 | The basalt fibre of a kind of pultrusion strengthens composite of thermosetting resin and preparation method thereof |
| CN108342053A (en) * | 2017-01-25 | 2018-07-31 | 中国科学院长春应用化学研究所 | A kind of cable trough composite material, preparation method and its cable trough |
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