CN104059336A - Basalt fiber reinforced polymer rebar and preparation method thereof - Google Patents

Basalt fiber reinforced polymer rebar and preparation method thereof Download PDF

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Publication number
CN104059336A
CN104059336A CN201410290224.0A CN201410290224A CN104059336A CN 104059336 A CN104059336 A CN 104059336A CN 201410290224 A CN201410290224 A CN 201410290224A CN 104059336 A CN104059336 A CN 104059336A
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basalt
basalt fibre
fiber composite
basalt fiber
matrix resin
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CN201410290224.0A
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CN104059336B (en
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王灵
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Sichuan Aerospace Wuyuan Composite Co Ltd
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Sichuan Aerospace Wuyuan Composite Co Ltd
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Abstract

The invention discloses a basalt fiber reinforced polymer rebar and a preparation method thereof. The basalt fiber reinforced polymer rebar is a fiber reinforced rebar prepared through the steps of impregnating matrix resin and curing after treating the basalt fiber by using a surface treating agent, wherein the basalt fiber is prepared from rough yarn or composite twisted rough yarn for textile processing and has the diameter of 7-13mu m. The preparation method comprises the following three steps of: fiber surface treatment; matrix resin impregnation; formation by curing. By using the preparation method, various defects existing in the traditional glass fiber preparation process are overcome; in addition, operation steps such as painting, impregnating, vacuum pressurizing, drying and the like are adopted, so that not only are the preparation steps simple and rapid, but also the large-scale industrial production can be realized, and the preparation cost is low.

Description

A kind of Basalt fiber composite rib and preparation method thereof
Technical field
The present invention is a kind of Basalt fiber composite rib and preparation method thereof, is specifically related to composite reinforcing utilizing the making of basalt fibre strongthener and preparation method thereof, belongs to the preparation field of matrix material.
Background technology
In existing field of compound material, mainly contain glass fibre, carbon fiber, boron fibre, sapphire whisker, silicon carbide fiber, polyethylene fibre etc. as the fiber of composite reinforcing reinforcement, but due to the restriction of price factor, most of fiber is all only for military field, only have glass fibre to be widely used in civil area, but in actual application, also there is certain defect as composite reinforcing reinforcement in glass fibre, as:
(1) the production process energy consumption of glass fibre is larger, is unfavorable for energy-conserving and environment-protective;
(2) preparation technology of glass fibre is to harmful, and especially glass fibre hair can produce hormesis to human body skin, after suction human body, can not be decomposed or absorb, and probably causes that pulmonary disorder even produces canceration;
(3) environmental pollution is large, after glass fibre composite reinforcing is discarded, can not recycle or natural degradation, is unfavorable for the protection of environment, etc.
Certainly, for overcoming the familiar lacunas of above-mentioned composite reinforcing reinforcement, people have proposed to adopt the use of continuous basalt fiber as composite reinforcing reinforcement, for continuous basalt fiber, we know, it is taking natural volcano extrusive rock as raw material, under the high temperature of 1450～1500 DEG C after melting, the continuous fibre forming by platinum germanium alloy bushing wire drawing manufacture, there is high strength, high-modulus, high temperature resistant, anti-oxidant, acid and alkali-resistance, radioprotective, electrical isolation, adiabatic sound insulation, filterableness is good, ultimate compression strength is high, many premium propertiess such as damping and shearing resistance height, simultaneously, also be a kind of novel tRecycled Fibers.
An existing patent documentation CN101531806(polyphenyl dioctyl phthalate ethylene glycol fat/basalt fiber composite material and preparation method thereof 2009.9.16) and mono-kind of CN103044877A(containing the matrix material of treated basalt fiber and polymkeric substance and preparation method thereof 2013.04.17) all disclosed a kind of utilize basalt fibre as reinforcement for making the preparation method of matrix material, but we to above-mentioned preparation method obtain composite products and on the market occur carry out performance test by continuous basalt fiber matrix material, test result shows, different technology conditions has a great impact the mechanical property of matrix material, be mainly manifested in the composition of basalt fiber material system, the aspects such as the selection of fiber surface processing and the structure of matrix material, and existing matrix material need to strengthen in mechanical property, for this reason, the present invention has proposed a kind of Basalt fiber composite rib and preparation method thereof specially.
Summary of the invention
The object of the present invention is to provide a kind of Basalt fiber composite rib, select the basalt fibre of specific component content successively after surface treatment and impregnation matrix resin, can not only obtain the fiber bar material that mechanical property is more excellent compared with prior art, can also improve the cost performance that fiber bar material is made, simultaneously, more overcome the current use familiar lacunas of glass fibre comparatively widely, had more use value.
Another object of the present invention is to provide a kind of preparation method of Basalt fiber composite rib, overcome the many defects that exist in existing fibreglass maker skill, there is the advantages such as making step is simple, quick, suitablely extensively promote the use of.
The present invention is achieved through the following technical solutions: a kind of Basalt fiber composite rib and preparation method thereof, described Basalt fiber composite rib be by basalt fibre through surface treatment agent process after, flooded by matrix resin again and solidify the fiber bar material forming, meter by weight ratio, described basalt fibre comprises following component:
SO 2：45～60%；
Al 2O 3：12～19%；
CaO：6～12%；
Fe 2o 3feO:9.1～15%, the Basalt fiber composite rib the present invention relates to is to be made by the basalt fibre of specific component content, this basalt fibre is different from metal, glass and other carbide raw materials, it is the stable ore of component selected by volcanics, that heavily refining was smelted, exploit also very convenient, the performance of this basalt fibre is very superior, wherein, and SO 2be the main component of basalt fibre, maintained chemical stability and the physical strength of fiber; And Al 2o 3decapacitation improves outside the chemical stability of basalt fibre, same, can also improve its thermostability and physical strength.
In the present invention, described basalt fibre is that the composite twist rove of being used by rove or textile process is made, and its diameter is 7～13 μ m.
In actual mechanical process, basalt fibre, after surface treatment, can improve the composite performance of matrix resin and basalt fibre, and at this, described surface treatment agent comprises: by general formula R nsiX 4-nthe organosilicon alkanes coupling agent representing, wherein, R comprises methoxy or ethoxy, n is 1,2 or 3.
For better realizing aforesaid operations, described surface treatment agent is fertile blue treatment agent or KH560 treatment agent.
In the present invention, described matrix resin is selected from one or more in vinyl ester resins, epoxy resin and unsaturated polyester resin.
Further, described matrix resin is vinyl ester resins, for example: urethane-modified vinyl ester resins, bisphenol A modified epoxy vinyl fat resin etc.
In the present invention, the preparation method of described Basalt fiber composite rib, comprises the steps:
(1) fiber surface processing: it is 1～5% the aqueous solution that surface treatment agent is configured to concentration, and use painting tool this aqueous solution to be coated with to the outside surface being covered with at basalt fibre, brush after 1～11 time, again basalt fibre is put into vacuum drying oven at 75～95 DEG C, vacuumize heating 20～40min remove moisture, then, regulating vacuum drying oven temperature is 100～120 DEG C, and reacts after 80～100min, completes the surface treatment of basalt fibre;
(2) impregnation matrix resin: add successively promotor and solidifying agent in matrix resin, after stirring, make glue, matrix resin: promotor: the weight proportion of solidifying agent is 400:(0.5～1.5): (0.5～1.5), use painting tool that this glue is coated with and is covered with on the basalt fibre after surface treatment, brushing number of times is 1～11 time;
(3) curing molding: the basalt fibre that step (2) is made is according to 0 ° or 90 ° of direction perpendicular array, put into the solidifying and molding device 0.5～1.5MPa that pressurizes, be warming up to 110～130 DEG C, after curing reaction 0.5～1.5h, make Basalt fiber composite rib.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) Basalt fiber composite rib the present invention relates to is after surface treatment and impregnation matrix resin, to be made successively by the basalt fibre of specific component content, the good chemical stability, thermostability and the physical strength that have based on basalt fibre, the Basalt fiber composite rib being composited also has stronger mechanical property, can be widely used in industry, building trade, petroleum industry and the aircraft industry etc. such as civilian.
(2) the present invention has overcome the many defects that exist in existing fibreglass maker skill, adopts the operation stepss such as brushing, dipping, vacuum pressed, oven dry, and not only making step is simple, quick, also can realize industrialized scale operation, and cost of manufacture is cheap.
(3) the present invention is reasonable in design, in actual mechanical process, can adopt fertile blue treatment agent or KH560 treatment agent as surface treatment agent, for the surface treatment of basalt fibre, thereby reach the object that improves matrix resin and basalt fibre composite performance, result of use is good.
(4) matrix resin the present invention relates to can be selected from one or more in vinyl ester resins, epoxy resin and unsaturated polyester resin, especially vinyl ester resins, for example: urethane-modified vinyl ester resins, bisphenol A modified epoxy vinyl fat resin etc., through evidence, in the time that the basalt fibre muscle that uses vinyl ester resins dipping is tested, test result surface, its flame retardant resistance, degree of drawing and bending property test effect are better.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
The present invention proposes a kind of Basalt fiber composite rib and preparation method thereof, this Basalt fiber composite rib be by basalt fibre after surface treatment agent is processed, then flood and solidify the fiber bar material forming by matrix resin.
Below further describing technical solution of the present invention:
In the present invention, basalt fibre is that the composite twist rove of being used by rove or textile process is made, and its diameter can be selected 7 μ m, meter by weight ratio, and basalt fibre comprises following component:
SO 2：52.43%；
Al 2O 3：18.33%；
CaO：7.68%；
Fe 2O 3·FeO：10.53%；
Other (as: Na 2o, K 2o, MgO, TiO 2deng): 11.03%.
The Basalt fiber composite rib the present invention relates to is to be made by the basalt fibre of specific component content, this basalt fibre is different from metal, glass and other carbide raw materials, it is the stable ore of component selected by volcanics, that heavily refining was smelted, exploit also very convenient, the performance of this basalt fibre is very superior, wherein, SO 2be the main component of basalt fibre, maintained chemical stability and the physical strength of fiber; And Al 2o 3decapacitation improves outside the chemical stability of basalt fibre, same, can also improve its thermostability and physical strength.
Surface treatment agent comprises: by general formula R nsiX 4-nthe organosilicon alkanes coupling agent representing, wherein, R comprises methoxy or ethoxy, n is 1,2 or 3, be mainly used in the surface treatment of basalt fibre, through surface treatment agent basalt fibre after treatment with the compound process of matrix resin in, it can be conducive to form between basalt fibre and matrix resin a good bonding interface, thereby reach the object that improves its composite performance, on this basis, intensity, the wear resisting property etc. of basalt fibre muscle are all had to good improvement effect, and in the present embodiment, surface treatment agent is selected fertile blue treatment agent.
Matrix resin can be selected from one or more in vinyl ester resins, epoxy resin and unsaturated polyester resin, be mainly used in the dipping of basalt fibre, on the basis fully infiltrating, matrix resin is filled in the surface of basalt fibre, after resin solidification, can realize cast setting with basalt fibre depression in the surface and gap place at matrix resin connects, reach the object that improves basalt fibre mechanical characteristic, in the present embodiment, matrix resin is selected urethane-modified vinyl ester resins.
The preparation method of the Basalt fiber composite rib that the present embodiment relates to comprises the steps:
(1) fiber surface processing: it is 1% the aqueous solution that fertile blue treatment agent is configured to concentration, and use painting tool this aqueous solution to be coated with to the outside surface being covered with at basalt fibre, brush after 11 times, again basalt fibre is put into vacuum drying oven at 75 DEG C, vacuumize heating 20min remove moisture, then, regulating vacuum drying oven temperature is 100 DEG C, and reacts after 80min, completes the surface treatment of basalt fibre;
(2) impregnation matrix resin: add successively promotor and solidifying agent in urethane-modified vinyl ester resins, after stirring, make glue, matrix resin: promotor: the weight proportion of solidifying agent is 400:0.5:0.5, use painting tool that this glue is coated with and is covered with on the basalt fibre after surface treatment, brushing number of times is 11 times;
(3) curing molding: the basalt fibre that step (2) is made is according to 0 ° or 90 ° of direction perpendicular array, put into the solidifying and molding device 0.5MPa that pressurizes, be warming up to 110 DEG C, after curing reaction 0.5h, make Basalt fiber composite rib, its fiber volume fraction is 37%.
Embodiment 2:
In the present embodiment, basalt fibre select 9 μ m for diameter, meter by weight ratio, basalt fibre comprises following component:
SO 2：52.43%；
Al 2O 3：18.33%；
CaO：7.68%；
Fe 2O 3·FeO：10.53%；
Other (as: Na 2o, K 2o, MgO, TiO 2deng): 11.03%.
Surface treatment agent is selected KH560 treatment agent.
Matrix resin is selected bisphenol A modified epoxy vinyl fat resin.
In the present invention, the preparation method of described Basalt fiber composite rib, comprises the steps:
(1) fiber surface processing: it is 2% the aqueous solution that KH560 treatment agent is configured to concentration, and use painting tool this aqueous solution to be coated with to the outside surface being covered with at basalt fibre, brush after 11 times, again basalt fibre is put into vacuum drying oven at 80 DEG C, vacuumize heating 30min remove moisture, then, regulating vacuum drying oven temperature is 110 DEG C, and reacts after 90min, completes the surface treatment of basalt fibre;
(2) impregnation matrix resin: add successively promotor and solidifying agent in bisphenol A modified epoxy vinyl fat resin, after stirring, make glue, matrix resin: promotor: the weight proportion of solidifying agent is 400:1:1, use painting tool that this glue is coated with and is covered with on the basalt fibre after surface treatment, brushing number of times is 11 times;
(3) curing molding: the basalt fibre that step (2) is made is according to 0 ° or 90 ° of direction perpendicular array, put into the solidifying and molding device 1.0MPa that pressurizes, be warming up to 120 DEG C, after curing reaction 1h, make Basalt fiber composite rib, its fiber volume fraction is 37%.
Embodiment 3:
In the present embodiment, basalt fibre select 13 μ m for diameter, meter by weight ratio, basalt fibre comprises following component:
SO 2：52.43%；
Al 2O 3：18.33%；
CaO：7.68%；
Fe 2O 3·FeO：10.53%；
Other (as: Na 2o, K 2o, MgO, TiO 2deng): 11.03%.
Surface treatment agent is selected KH560 treatment agent.
Matrix resin is selected urethane-modified vinyl ester resins.
In the present invention, the preparation method of described Basalt fiber composite rib, comprises the steps:
(1) fiber surface processing: it is 5% the aqueous solution that KH560 treatment agent is configured to concentration, and use painting tool this aqueous solution to be coated with to the outside surface being covered with at basalt fibre, brush after 11 times, again basalt fibre is put into vacuum drying oven at 95 DEG C, vacuumize heating 40min remove moisture, then, regulating vacuum drying oven temperature is 120 DEG C, and reacts after 100min, completes the surface treatment of basalt fibre;
(2) impregnation matrix resin: add successively promotor and solidifying agent in urethane-modified vinyl ester resins, after stirring, make glue, matrix resin: promotor: the weight proportion of solidifying agent is 400:1.5): 1.5), use painting tool that this glue is coated with and is covered with on the basalt fibre after surface treatment, brushing number of times is 11 times;
(3) curing molding: the basalt fibre that step (2) is made is according to 0 ° or 90 ° of direction perpendicular array, put into the solidifying and molding device 1.5MPa that pressurizes, be warming up to 130 DEG C, after curing reaction 1.5h, make Basalt fiber composite rib, its fiber volume fraction is 37%.
The Basalt fiber composite rib making in above-described embodiment 1～3 is carried out to Mechanics Performance Testing, and test result is as shown in table 1:
Table 1
Numbering Fibre diameter Fiber volume fraction Tensile strength Young's modulus Flexural strength Modulus in flexure
1 7μm 37% 277.6 15.2 497.2 16.5
2 9μm 37% 261.9 14.8 495.3 15.8
3 13μm 37% 245.1 14.6 495.0 14.8
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.

Claims (7)

1. a Basalt fiber composite rib, it is characterized in that: described Basalt fiber composite rib be by basalt fibre through surface treatment agent process after, flooded by matrix resin again and solidify the fiber bar material forming, meter by weight ratio, described basalt fibre comprises following component:
SO 2：45～60%；
Al 2O 3：12～19%；
CaO：6～12%；
Fe 2O 3·FeO：9.1～15%。
2. a kind of Basalt fiber composite rib according to claim 1, is characterized in that: described basalt fibre is that the composite twist rove of being used by rove or textile process is made, and its diameter is 7～13 μ m.
3. a kind of Basalt fiber composite rib according to claim 1, is characterized in that: described surface treatment agent comprises: by general formula R nsiX 4-nthe organosilicon alkanes coupling agent representing, wherein, R comprises methoxy or ethoxy, n is 1,2 or 3.
4. a kind of Basalt fiber composite rib according to claim 3, is characterized in that: described surface treatment agent is fertile blue treatment agent or KH560 treatment agent.
5. a kind of Basalt fiber composite rib according to claim 1, is characterized in that: described matrix resin is selected from one or more in vinyl ester resins, epoxy resin and unsaturated polyester resin.
6. a kind of Basalt fiber composite rib according to claim 5, is characterized in that: described matrix resin is vinyl ester resins.
7. the preparation method of Basalt fiber composite rib according to claim 1, is characterized in that: comprise the steps:
(1) fiber surface processing: it is 1～5% the aqueous solution that surface treatment agent is configured to concentration, and use painting tool this aqueous solution to be coated with to the outside surface being covered with at basalt fibre, brush after 1～11 time, again basalt fibre is put into vacuum drying oven at 75～95 DEG C, vacuumize heating 20～40min remove moisture, then, regulating vacuum drying oven temperature is 100～120 DEG C, and reacts after 80～100min, completes the surface treatment of basalt fibre;
(2) impregnation matrix resin: add successively promotor and solidifying agent in matrix resin, after stirring, make glue, matrix resin: promotor: the weight proportion of solidifying agent is 400:(0.5～1.5): (0.5～1.5), use painting tool that this glue is coated with and is covered with on the basalt fibre after surface treatment, brushing number of times is 1～11 time;
(3) curing molding: the basalt fibre that step (2) is made is according to 0 ° or 90 ° of direction perpendicular array, put into the solidifying and molding device 0.5～1.5MPa that pressurizes, be warming up to 110～130 DEG C, after curing reaction 0.5～1.5h, make Basalt fiber composite rib.
CN201410290224.0A 2014-06-25 2014-06-25 A kind of Basalt fiber composite rib and preparation method thereof Active CN104059336B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885464A (en) * 2014-11-28 2016-08-24 曹剑 Anticorrosive basalt fiber composite material and preparation method thereof
CN107619212A (en) * 2017-08-03 2018-01-23 江苏天龙玄武岩连续纤维股份有限公司 Basalt scale composite reinforcing
CN109896748A (en) * 2019-04-24 2019-06-18 衡水瑞纤新材料科技有限公司 A kind of high-modulus basalt fibre composition

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101235152A (en) * 2007-06-13 2008-08-06 北京林业大学 Basalt continuous fibre enhancement resin composite material and manufacturing method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101235152A (en) * 2007-06-13 2008-08-06 北京林业大学 Basalt continuous fibre enhancement resin composite material and manufacturing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885464A (en) * 2014-11-28 2016-08-24 曹剑 Anticorrosive basalt fiber composite material and preparation method thereof
CN107619212A (en) * 2017-08-03 2018-01-23 江苏天龙玄武岩连续纤维股份有限公司 Basalt scale composite reinforcing
CN109896748A (en) * 2019-04-24 2019-06-18 衡水瑞纤新材料科技有限公司 A kind of high-modulus basalt fibre composition

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Basalt Fiber Reinforced Bar