CN108102302A - A kind of structural strengthening basalt fibre composite sheet and preparation method thereof - Google Patents
A kind of structural strengthening basalt fibre composite sheet and preparation method thereof Download PDFInfo
- Publication number
- CN108102302A CN108102302A CN201810014373.2A CN201810014373A CN108102302A CN 108102302 A CN108102302 A CN 108102302A CN 201810014373 A CN201810014373 A CN 201810014373A CN 108102302 A CN108102302 A CN 108102302A
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- basalt fibre
- basalt
- composite sheet
- structural strengthening
- fibre composite
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
Abstract
The invention discloses a kind of reinforcing basalt fibre composite sheets, and including body, the body uses basalt fibre as reinforcement material, using epoxy resin, unsaturated polyester resin or vinylite as the matrix resin of stiffening piece.Basalt fibre is with the natural basalt ore high-performance fiber that melt drawing obtains at 1450 DEG C, has the advantages that tensile strength is high, elasticity modulus is big, temperature in use is high, acid-alkali-corrosive-resisting and ultraviolet-resistant aging compared to simple glass fiber.Using structural strengthening fiber composite piece made of basalt fibre, tensile strength is more than 1600MPa, and elasticity modulus is more than 54GPa, and elongation at break is more than 1.3%, and corrosion-resistant and ageing-resistant performance is good, and cost is more much lower than carbon fiber composite sheet.
Description
Technical field
The invention belongs to field of compound material, more particularly to a kind of structural strengthening basalt fibre composite sheet and its system
Preparation Method.
Background technology
Since reform and opening-up, China's rapid economic development, the house architectural area and infrastructure quantity in China are also drastically
Increase.The influence of increase or construction quality however as actual use load, causes the bearing capacity of many building structural members not
Foot, there are security risks, need to carry out consolidation process to it.
Traditional prestressing, increasing section method for strengthening and change stress system method for strengthening, engineering in structural strengthening
Amount is big, influence original structure appearance and reduces building using space, and there are larger limitations.Reinforcement by sticking of sheets construction is convenient, week
Phase is short, can come into operation for 24 hours after reinforcing, and original structure dead weight, apparent size and original headroom are had no significant effect after reinforcing,
The rigidity and bearing capacity of component can be significantly improved.
For steel plate as reinforcement material, not only intensity is low, weight is big, but also easily gets rusty under moist and corrosive gas environment
Corrosion.The tensile strength of fibrous composite (FRP) is the 2 times or more of steel plate, and good corrosion resistance, light-weight, in recent years
Practical application in structural strengthening is more and more.Carbon fiber composite sheet, more than tensile strength 2000MPa, elasticity modulus and steel
Plate approaches, and is to apply most stiffening pieces, but cost is higher.Tensile strength, elasticity modulus and the cost of glass-fibre composite tab
It is slightly lower, corrosion-resistant, loss of properties on aging.
The content of the invention
For the deficiencies in the prior art, the present invention provides a kind of reinforce of structure and uses basalt fibre composite sheet, simultaneous
The advantages of caring for carbon fiber composite sheet and glass-fibre composite tab.
It is a further object of the present invention to provide a kind of reinforcing preparation methods of basalt fibre composite sheet.
The present invention is achieved through the following technical solutions：A kind of reinforce uses basalt fibre composite sheet, including body, institute
Stating body uses basalt fibre to make as reinforcement material using epoxy resin, unsaturated polyester resin or vinylite
For the matrix resin of stiffening piece.
In above-mentioned technical proposal, it is preferred that the content of the basalt fibre is 40~85%.
In above-mentioned technical proposal, it is preferred that the diameter of the basalt fibre is 6~25 μm, and the length of the body is
0.1~20m, the width of the body is 0.02~1m of width, and the width of the body is 1~6mm of thickness.
The preparation method of basalt fibre composite sheet, comprises the following steps,
(1) arrange, basalt fibre rove is arranged on creel；
(2) impregnation, by the basalt fibre coarse sand impregnating resin glue；
(3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device；
(4) extrusion molding and curing cure by preforming basalt fibre yarn in 80~150 DEG C of mold；
(5) draw, the section bar being cured is pulled out with the speed of 0.5~3m/s from mold；
(6) cut, the product being cured is cut into designated length.
In above-mentioned technical proposal, it is preferred that in step (1), the basalt fibre is divided into two layers, two layers of the basalt
Fiber crossovers are arranged.The mode of arranged crosswise, the performance that can be allowed in the product being finally made all directions all remain balanced.
In previous technical solution, it is preferred that wherein one layer of basalt fibre and the length for being finally made the body
Direction is arranged in parallel, and another layer basalt fibre is arranged vertically with this layer of basalt fibre.
The present invention has the advantages that：Basalt fibre is to melt drawing at 1450 DEG C with natural basalt ore
The high-performance fiber that silk obtains, compared to simple glass fiber has tensile strength height, elasticity modulus is big, temperature in use is high, acidproof
The advantages of caustic corrosion and ultraviolet-resistant aging.It is big using structural strengthening fiber composite piece, tensile strength made of basalt fibre
In 1600MPa, elasticity modulus is more than 54GPa, and elongation at break is more than 1.3%, and corrosion-resistant and ageing-resistant performance is good, and
Cost is more much lower than carbon fiber composite sheet.
Specific embodiment
The present invention is described in further detail With reference to embodiment：
A kind of reinforce uses basalt fibre composite sheet, and including body, the body uses basalt fibre as reinforcing material
Material, using epoxy resin, unsaturated polyester resin or vinylite as the matrix resin of stiffening piece.The basalt is fine
The content of dimension is 40~85%.The diameter of the basalt fibre is 6~25 μm, and the length of the body is 0.1~20m, institute
The width for stating body is 0.02~1m of width, and the width of the body is 1~6mm of thickness.
A kind of preparation method reinforced with basalt fibre composite sheet.
Embodiment 1
1) arrange, the basalt fibre rove that 20 line densities are 2400tex is neatly arranged on creel；
2) impregnation, basalt fibre coarse sand is by pressing the method that yarn impregnates, epoxy resin-impregnated glue；
3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device, forms preliminary shape and structure and exclusion
Extra resin and bubble；
4) extrusion molding and curing, preforming basalt fibre yarn cure in the mold of 1mm × 25mm × 800mm,
The temperature of preheating zone, gel area and curing area is respectively 60 DEG C, 90 DEG C and 120 DEG C；
5) draw and cut, the section bar being cured with the speed of 1.5m/s from mold is pulled out, is cut into grinding wheel
The product of 1mm × 25mm × 1000mm.
Embodiment 2
1) arrange, the basalt fibre rove that 160 line densities are 2400tex is neatly arranged on creel；
2) impregnation, basalt fibre coarse sand is by pressing the method that yarn impregnates, epoxy resin-impregnated glue；
3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device, forms preliminary shape and structure and exclusion
Extra resin and bubble；
4) extrusion molding and curing, preforming basalt fibre yarn are solid in the mold of 2mm × 100mm × 1000mm
Change, the temperature of preheating zone, gel area and curing area is respectively 60 DEG C, 90 DEG C and 125 DEG C；
5) draw and cut, the section bar being cured with the speed of 1.0m/s from mold is pulled out, is cut into grinding wheel
The product of 2mm × 100mm × 2000mm.
Embodiment 3
1) arrange, the basalt fibre rove that 80 line densities are 2400tex is neatly arranged on creel；
2) impregnation, the method that basalt fibre coarse sand is impregnated by straight trough impregnate vinylite glue；
3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device, forms preliminary shape and structure and exclusion
Extra resin and bubble；
4) extrusion molding and curing, preforming basalt fibre yarn cure in the mold of 2mm × 50mm × 800mm,
The temperature of preheating zone, gel area and curing area is respectively 90 DEG C, 120 DEG C and 140 DEG C；
5) draw and cut, the section bar being cured with the speed of 1.2m/s from mold is pulled out, is cut into grinding wheel
The product of 2mm × 50mm × 1500mm.
Embodiment 4
1) arrange, the basalt fibre rove that 30 line densities are 2400tex is neatly arranged on creel；
2) impregnation, basalt fibre coarse sand impregnate unsaturated polyester resin glue by pressing the method that yarn impregnates；
3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device, forms preliminary shape and structure and exclusion
Extra resin and bubble；
4) extrusion molding and curing, preforming basalt fibre yarn cure in the mold of 1mm × 25mm × 800mm,
The temperature of preheating zone, gel area and curing area is respectively 70 DEG C, 87 DEG C and 105 DEG C；
5) draw and cut, the section bar being cured with the speed of 1.5m/s from mold is pulled out, is cut into grinding wheel
The product of 1mm × 25mm × 1000mm.
Embodiment 5
1) arrange, the basalt fibre rove that 150 line densities are 2400tex is neatly arranged on creel；
2) impregnation, basalt fibre coarse sand is by pressing the method that yarn impregnates, epoxy resin-impregnated glue；
3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device, forms preliminary shape and structure and exclusion
Extra resin and bubble；
4) extrusion molding and curing, preforming basalt fibre yarn are solid in the mold of 5mm × 100mm × 1500mm
Change, the temperature of preheating zone, gel area and curing area is respectively 70 DEG C, 90 DEG C and 130 DEG C；
5) draw and cut, the section bar being cured with the speed of 0.6m/s from mold is pulled out, is cut into grinding wheel
The product of 5mm × 100mm × 4500mm.
Embodiment 6
1) arrange, the basalt fibre rove that 150 line densities are 2400tex is neatly arranged on creel, basalt
Fiber is divided into two layers, and the wherein basalt fibre arragement direction of bottom is identical with the length direction of product, and the basalt on upper strata is fine
It ties up and is arranged vertically with the basalt fibre of bottom, the basalt fibre density of length direction arrangement is the Black Warrior of width arrangement
More than twice of rock fibre density.Length direction is main Impact direction, it is therefore desirable to which more fibers are strengthened.
2) impregnation, basalt fibre coarse sand is by pressing the method that yarn impregnates, epoxy resin-impregnated glue；
3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device, forms preliminary shape and structure and exclusion
Extra resin and bubble；
4) extrusion molding and curing, preforming basalt fibre yarn are solid in the mold of 5mm × 100mm × 1500mm
Change, the temperature of preheating zone, gel area and curing area is respectively 70 DEG C, 90 DEG C and 130 DEG C；
5) draw and cut, the section bar being cured with the speed of 0.6m/s from mold is pulled out, is cut into grinding wheel
The product of 5mm × 100mm × 4500mm.
Examples 1 to 6 the performance test results
It is from five set embodiment as can be seen that compound to the basalt fibre of different fiber contents and resin matrix
Piece has higher mechanical property as a result, tensile strength is more than 1600MPa, and elasticity modulus is more than 54GPa.In addition use two layers
The mode of basalt fibre arranged crosswise can further improve the properties of the present invention.
It should be understood that in claims of the present invention, specification, all " including ... " should be understood as open
Meaning, that is, its meaning is equal to " at least containing ... ", and should not be construed as enclosed meaning, i.e., its meaning should
This is interpreted as " only including ... ".
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of structural strengthening basalt fibre composite sheet, including body, it is characterised in that：The body is fine using basalt
Dimension is as reinforcement material, using epoxy resin, unsaturated polyester resin or vinylite as the matrix resin of stiffening piece.
2. a kind of structural strengthening basalt fibre composite sheet according to claim 1, it is characterised in that：The basalt
The content of fiber is 40~85%.
3. a kind of structural strengthening basalt fibre composite sheet according to claim 1, it is characterised in that：The basalt
The diameter of fiber is 6~25 μm, and the length of the body is 0.1~20m, and the width of the body is 0.02~1m of width, institute
The width for stating body is 1~6mm of thickness.
4. a kind of preparation method of structural strengthening basalt fibre composite sheet according to claim 1, it is characterised in that：
It comprises the following steps,
(1) arrange, basalt fibre rove is arranged on creel；
(2) impregnation, by the basalt fibre coarse sand impregnating resin glue；
(3) preforming, the basalt fibre yarn impregnated passes through pre-shaping device；
(4) extrusion molding and curing cure by preforming basalt fibre yarn in 80~150 DEG C of mold；
(5) draw, the section bar being cured is pulled out with the speed of 0.5~3m/s from mold；
(6) cut, the product being cured is cut into designated length.
5. a kind of preparation method of structural strengthening basalt fibre composite sheet according to claim 4, it is characterised in that：
In step (1), the basalt fibre is divided into two layers, two layers of basalt fibre arranged crosswise.
6. a kind of preparation method of structural strengthening basalt fibre composite sheet according to claim 5, it is characterised in that：
Wherein one layer of basalt fibre and the length direction parallel arrangement for being finally made the body, another layer basalt are fine
Dimension is arranged vertically with this layer of basalt fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014373.2A CN108102302B (en) | 2018-01-08 | 2018-01-08 | Basalt fiber composite sheet for structural reinforcement and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014373.2A CN108102302B (en) | 2018-01-08 | 2018-01-08 | Basalt fiber composite sheet for structural reinforcement and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108102302A true CN108102302A (en) | 2018-06-01 |
| CN108102302B CN108102302B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810014373.2A Active CN108102302B (en) | 2018-01-08 | 2018-01-08 | Basalt fiber composite sheet for structural reinforcement and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943765A (en) * | 2018-09-21 | 2018-12-07 | 吉林省华阳新材料研发有限公司 | A kind of production method of Basalt fiber products |
| CN110747558A (en) * | 2019-10-10 | 2020-02-04 | 浙江石金玄武岩纤维股份有限公司 | Basalt fiber sewing thread for heat-insulation board and preparation method thereof |
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| CN1421310A (en) * | 2001-11-28 | 2003-06-04 | 周献刚 | Method of producing door and window with basalt fiber reinforced material |
| CN102408692A (en) * | 2011-09-13 | 2012-04-11 | 青岛润兴高分子材料有限公司 | High performance dual-resistant sheet molding compound and its manufacturing method |
| US20150099834A1 (en) * | 2013-10-03 | 2015-04-09 | Thomas J. Barnell | Fiber-reinforced epoxy composites and methods of making same without the use of oven or autoclave |
| CN104725780A (en) * | 2015-02-28 | 2015-06-24 | 河海大学 | Hybrid basalt fiber and glass fiber reinforced resin |
| CN104927304A (en) * | 2015-06-05 | 2015-09-23 | 山东聚智机械科技有限公司 | Preparation method of basalt fiber board |
| 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 |
| CN106633651A (en) * | 2016-12-13 | 2017-05-10 | 安徽梦谷纤维材料科技有限公司 | Basalt-fiber-containing composite heat-insulation plate |
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2018
- 2018-01-08 CN CN201810014373.2A patent/CN108102302B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421310A (en) * | 2001-11-28 | 2003-06-04 | 周献刚 | Method of producing door and window with basalt fiber reinforced material |
| CN102408692A (en) * | 2011-09-13 | 2012-04-11 | 青岛润兴高分子材料有限公司 | High performance dual-resistant sheet molding compound and its manufacturing method |
| US20150099834A1 (en) * | 2013-10-03 | 2015-04-09 | Thomas J. Barnell | Fiber-reinforced epoxy composites and methods of making same without the use of oven or autoclave |
| CN104725780A (en) * | 2015-02-28 | 2015-06-24 | 河海大学 | Hybrid basalt fiber and glass fiber reinforced resin |
| CN104927304A (en) * | 2015-06-05 | 2015-09-23 | 山东聚智机械科技有限公司 | Preparation method of basalt fiber board |
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| CN106633651A (en) * | 2016-12-13 | 2017-05-10 | 安徽梦谷纤维材料科技有限公司 | Basalt-fiber-containing composite heat-insulation plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943765A (en) * | 2018-09-21 | 2018-12-07 | 吉林省华阳新材料研发有限公司 | A kind of production method of Basalt fiber products |
| CN110747558A (en) * | 2019-10-10 | 2020-02-04 | 浙江石金玄武岩纤维股份有限公司 | Basalt fiber sewing thread for heat-insulation board and preparation method thereof |
| CN110747558B (en) * | 2019-10-10 | 2021-06-18 | 浙江石金玄武岩纤维股份有限公司 | Basalt fiber sewing thread for heat-insulation board and preparation method thereof |
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| CN108102302B (en) | 2021-04-13 |
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Denomination of invention: Basalt fiber composite sheet for structural reinforcement and its preparation method Effective date of registration: 20220530 Granted publication date: 20210413 Pledgee: China CITIC Bank Co.,Ltd. Jinhua Dongyang sub branch Pledgor: ZHEJIANG GBF BASALT FIBER CO.,LTD. Registration number: Y2022330000824 |
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Date of cancellation: 20221116 Granted publication date: 20210413 Pledgee: China CITIC Bank Co.,Ltd. Jinhua Dongyang sub branch Pledgor: ZHEJIANG GBF BASALT FIBER CO.,LTD. Registration number: Y2022330000824 |
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