CN102862351A - Weather-resistant high-elasticity fiber reinforced composite material - Google Patents
Weather-resistant high-elasticity fiber reinforced composite material Download PDFInfo
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- CN102862351A CN102862351A CN2012103608518A CN201210360851A CN102862351A CN 102862351 A CN102862351 A CN 102862351A CN 2012103608518 A CN2012103608518 A CN 2012103608518A CN 201210360851 A CN201210360851 A CN 201210360851A CN 102862351 A CN102862351 A CN 102862351A
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Abstract
The invention discloses a weather-resistant high-elasticity fiber reinforced composite material which consists of a matrix layer, a weather-resistant gel-coated layer and a weather-resistant polyethylene glycol terephthalate film which are arranged in sequence, wherein the thickness of the weather-resistant polyethylene glycol terephthalate film is 25-50mum, the thickness of the weather-resistance gel-coated layer is 70-500mum, and the matrix layer is made of FPR (fiber reinforced plastics) materials. Compared with the prior art, the weather-resistant high-elasticity fiber reinforced composite material has the advantages that the elasticity and the weather resistance are promoted greatly, the elastic property is improved by 3.5-4 times, and the weather resistance is promoted by 4-7 times. The invention also discloses a preparation method of the weather-resistant high-elasticity fiber reinforced composite material. The preparation method is simple, the processing cost is low, and the industrial production is easy to realize.
Description
Technical field
The invention belongs to field of compound material, be specifically related to a kind of fibre reinforced composites.
Background technology
FRP (Fiber Reinforced Plastics) fibre-reinforced plastics.It is as reinforcing material, to make a kind of composite of matrix material with glass fibre and goods (glass cloth, band, felt, yarn etc.) thereof with synthetic resin.The concept of composite refers to that a kind of material can not satisfy instructions for use, need to by two or more Material cladding together, form and another kind ofly can satisfy the material that people require, i.e. composite.
Be divided into glass fiber reinforced composite plastics (GFRP) according to the fiber difference that adopts, carbon fiber strengthens composite plastic (CFRP), and boron fibre strengthens composite plastic etc.; Fibre reinforced composites are by fortifying fibre and matrix composition.The diameter of fiber (or whisker) is very little, and generally below 10 μ m, defective is less again less, and breaking strain is about in 30/1000ths, is fragile material, easy damaged, ruptures and is corroded.Matrix phase is for fiber, and intensity, modulus are all much lower, but can withstand large strain, often has viscoplasticity and elastoplasticity, is toughness material.According to the length of fiber, FRP can be divided into short fiber and strengthen composite plastic and long fibre (or claiming continuous fiber) reinforced composite plastics.Can be divided into high performance composites and engineered composite material according to fibre property.Characteristic: 1) high-strength light; 2) corrosion resistance and good; 3) good electrical property; 4) hot property is good; 5) designability is good; 6) manufacturability is good.
Shortcoming: elastic modelling quantity is low: the large twice of modular ratio timber of RP, but only be 1/10th of steel (E=2.1 * 106), often feel in product structure that therefore rigidity is not enough, easily distortion.Long-term temperature tolerance is poor: general FRP can not at high temperature use for a long time, and general purpose polyester FRP just obviously descends in intensity more than 50 ℃, and is general only in use below 100 ℃; Universal epoxy FRP is more than 60 ℃, and intensity has obvious decline.Aging phenomenon; Aging phenomenon is the common defects of plastics, and FRP is no exception, easily causes hydraulic performance decline under the effects such as ultraviolet ray, dust storm sleet, chemical mediator, mechanical stress.
Therefore, need a kind of new weather resistant highly elastic fiber reinforced composite to address the above problem.
Summary of the invention
Goal of the invention: the present invention is directed to fibre reinforced composites in the prior art at elastic modelling quantity the defective aspect the low and weather resistant, a kind of weather resistant highly elastic fiber reinforced composite is provided.
Technical scheme: for solving the problems of the technologies described above, weather resistant highly elastic fiber reinforced composite of the present invention adopts following technical scheme:
A kind of weather resistant highly elastic fiber reinforced composite, it is characterized in that, formed by the base layer that is arranged in order, weather-proof gel coating resin, weatherability PETG film, the thickness of described weatherability PETG film is 25-50 μ m, the thickness of described weather-proof gel coating resin is 70-500 μ m, and described base layer is the FPR material.
Beneficial effect: the elasticity of weather resistant highly elastic fiber reinforced composite of the present invention and weather resistance significantly promote compared to existing technology, and elastic performance promotes 3.5-4 doubly, and weather resistance promotes 4-7 doubly.
Preferably, described base layer comprises PETG film, unsaturated polyester resin and glass fibre, wherein, described unsaturated polyester resin and glass fibre are laid on the described PETG film successively, the thickness of described PETG film is 25-50 μ m, and the weight ratio of described unsaturated polyester resin and glass fibre is 60-70:30-40.
Preferably, described unsaturated polyester resin is metaphenylene or adjacent benzene type, p-phenyl, vinyl-type.
Preferably, described glass fibre is chopped yarn, felt or cloth.
Preferably, the filament diameter of described glass fibre is 8-12 μ m.
Preferably, described weather-proof gel coating resin is isophthalic neopentyl glycol type unsaturated polyester resin, vinyl-type unsaturated polyester resin, fluorine carbon type unsaturated polyester resin.
The present invention also provides the preparation method of above-mentioned weather resistant highly elastic fiber reinforced composite.
A kind of preparation method of weather resistant highly elastic fiber reinforced composite may further comprise the steps:
A, preparation PETG film, the thickness of described PETG film is 25-50 μ m;
B, on described PETG film, lay successively unsaturated polyester resin and glass fibre, obtain the FRP base layer;
C, the FRP base layer that step 2 is obtained push smooth through row's bubble roller, slicking-in roller;
D, preparation PETG film, the thickness of described PETG film is 25-50 μ m, lay weather-resistant glue clothing layer at described PETG film, the thickness of described weather-proof gel coating resin is 70-500 μ m, the PETG film that is equipped with described weather-proof gel coating resin is put into the gel coat stove heat gel;
E, steps d obtained that PETG film, weather-proof gel coating resin and step c obtain that the FPR base layer is bonded together and smooth through the Extruded roller extruding;
F, the composite that step e is obtained are put into heating furnace and are heating and curing, and obtain described weather resistant highly elastic fiber reinforced composite.
Technique effect: the preparation method of weather resistant highly elastic fiber reinforced composite of the present invention is simple, and processing cost is lower, easily realizes suitability for industrialized production.
Preferably, the heating-up temperature of heating gel is 100-150 ℃ in the steps d, and be 2.5-4 minute heat time heating time.
Preferably, the heating-up temperature that is heating and curing described in the step f is 70-110 ℃, and be 10-15 minute heat time heating time.Solidification effect is better.
Description of drawings
Fig. 1 is the structural representation of weather resistant highly elastic fiber reinforced composite of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
Embodiment 1
A kind of preparation method of weather resistant highly elastic fiber reinforced composite may further comprise the steps:
A, preparation PETG film, the thickness of PETG film is 50 μ m;
B, lay successively unsaturated polyester resin and glass fibre on described PETG film, wherein, unsaturated polyester resin is adjacent benzene unsaturated polyester resin, and the weight of unsaturated polyester resin is 6kg; Glass fibre is chopped yarn, and its filament diameter is 8-10 μ m, and the weight of glass fibre is 4kg, obtains the FRP base layer;
C, the FRP base layer that step 2 is obtained push smooth through row's bubble roller, slicking-in roller;
D, preparation PETG film, the thickness of PETG film is 50 μ m, lays weather-resistant glue clothing layer in pet film, the thickness of weather-proof gel coating resin is 70 μ m; Weather-proof gel coating resin is isophthalic neopentyl glycol type unsaturated polyester resin.The weather-proof PETG film that is equipped with weather-proof gel coating resin is put into the gel coat stove heat gel, wherein, heating-up temperature is 120 ℃, and be 3 minutes heat time heating time.
E, the weather-proof PETG film that will be equipped with weather-proof gel coating resin and step 3 obtain that the FPR base layer is bonded together and are smooth through the Extruded roller extruding; Wherein, the PETG film of FPR base layer is positioned at the outside.
F, the composite that step 5 is obtained are put into heating furnace and are heating and curing, and wherein heating-up temperature is 110 ℃, and be 10 minutes heat time heating time, obtains weather resistant highly elastic fiber reinforced composite.
See also shown in Figure 1, through experiment test, utilize the fibre reinforced composites of this method preparation, formed by the base layer 1 that is arranged in order, weather-proof gel coating resin 2 and weather-proof PETG film 3, wherein, the thickness of weather-proof PETG film is 50 μ m, and the thickness of weather-proof gel coating resin is 70 μ m.Elasticity and the weather resistance of weather resistant highly elastic fiber reinforced composite of the present invention significantly promote, and the fibre reinforced composites elasticity of prior art improves 3.5 times relatively, and weather resistance improves 5 times.
Embodiment 2
A kind of preparation method of weather resistant highly elastic fiber reinforced composite may further comprise the steps:
A, the weather-proof PETG film of preparation, the thickness of weather-proof PETG film is 30 μ m;
B, lay successively unsaturated polyester resin and glass fibre on weather-proof PETG film, wherein, unsaturated polyester resin is metaphenylene, and the weight of unsaturated polyester resin is 7kg; Glass fibre is chopped yarn, and its filament diameter is 9-10 μ m, and the weight of glass fibre is 3kg, obtains the FRP base layer;
C, the FRP base layer that step b is obtained push smooth through row's bubble roller, slicking-in roller;
D, preparation PETG film, the thickness of PETG film is 30 μ m, lays weather-resistant glue clothing layer at the PETG film, the thickness of weather-proof gel coating resin is 100 μ m; Weather-proof gel coating resin is fluorine carbon type unsaturated polyester resin.The weather-proof PETG film that is equipped with described weather-proof gel coating resin is put into the gel coat stove heat gel, wherein, heating-up temperature is 100 ℃, and be 3.5 minutes heat time heating time.
E, the PETG film that is equipped with weather-proof gel coating resin that steps d is obtained and step c obtain that the FPR base layer is bonded together and are smooth through the Extruded roller extruding; Wherein, the PETG film of FPR base layer is positioned at the outside.
F, the composite that step 5 is obtained are put into heating furnace and are heating and curing, and wherein heating-up temperature is 90 ℃, and be 12 minutes heat time heating time, obtains weather resistant highly elastic fiber reinforced composite.
See also shown in Figure 1, through experiment test, utilize the fibre reinforced composites of this method preparation, formed by the base layer 1 that is arranged in order, weather-proof gel coating resin 2 and weather-proof PETG film 3, wherein, the thickness of weather-proof PETG film is 30 μ m, and the thickness of weather-proof gel coating resin is 100 μ m.Elasticity and the weather resistance of weather resistant highly elastic fiber reinforced composite of the present invention significantly promote, and the fibre reinforced composites elasticity of prior art improves 4 times relatively, and weather resistance improves 7 times.
Embodiment 3
A kind of preparation method of weather resistant highly elastic fiber reinforced composite may further comprise the steps:
A, the weather-proof PETG film of preparation, the thickness of weather-proof PETG film is 25 μ m;
B, lay successively unsaturated polyester resin and glass fibre on weather-proof PETG film, wherein, unsaturated polyester resin is adjacent benzene type, and the weight of unsaturated polyester resin is 6.5kg; Glass fibre is cloth, and its filament diameter is 11 ± 1 μ m, and the weight of glass fibre is 3.5kg, obtains the FRP base layer;
C, the FRP base layer that step b is obtained push smooth through row's bubble roller, slicking-in roller;
D, the weather-proof PETG film of preparation, the thickness of weather-proof PETG film is 25 μ m, lays weather-resistant glue clothing layer at weather-proof PETG film, the thickness of weather-proof gel coating resin is 300 μ m; Weather-proof gel coating resin is isophthalic neopentyl glycol type unsaturated polyester resin.The weather-proof PETG film that is equipped with weather-proof gel coating resin is put into the gel coat stove heat gel, wherein, heating-up temperature is 150 ℃, and be 2.5 minutes heat time heating time.
E, the weather-proof PETG film that will be equipped with weather-proof gel coating resin and step c obtain that the FPR base layer is bonded together and are smooth through the Extruded roller extruding; Wherein, the PETG film of FPR base layer is positioned at the outside.
F, the composite that step e is obtained are put into heating furnace and are heating and curing, and wherein heating-up temperature is 70 ℃, and be 15 minutes heat time heating time, obtains weather resistant highly elastic fiber reinforced composite.
See also shown in Figure 1, through experiment test, utilize the fibre reinforced composites of this method preparation, formed by the base layer 1 that is arranged in order, weather-proof gel coating resin 2 and weather-proof PETG film 3, wherein, the thickness of weather-proof PETG film is 25 μ m, and the thickness of weather-proof gel coating resin is 300 μ m.Elasticity and the weather resistance of weather resistant highly elastic fiber reinforced composite of the present invention significantly promote, and the fibre reinforced composites elasticity of prior art improves 3.7 times relatively, and weather resistance improves 6.5 times.
Embodiment 4
A kind of preparation method of weather resistant highly elastic fiber reinforced composite may further comprise the steps:
A, preparation PETG film, the thickness of weather-proof PETG film is 50 μ m;
B, lay successively unsaturated polyester resin and glass fibre on the PETG film, wherein, unsaturated polyurethane is propylene glycol, and the weight of unsaturated polyurethane is 6.5kg; Glass fibre is cloth, and its filament diameter is 11 ± 1 μ m, and the weight of glass fibre is 3.5kg, obtains the FRP base layer;
C, the FRP base layer that step b is obtained push smooth through Extruded roller;
D, preparation PETG film, the thickness of PETG film is 50 μ m, lays weather-resistant glue clothing layer at the PETG film, the thickness of weather-proof gel coating resin is 500 μ m; Weather-proof gel coating resin is isophthalic neopentyl glycol type unsaturated polyester resin.The weather-proof PETG film that is equipped with weather-proof gel coating resin is put into the gel coat stove heat gel, wherein, heating-up temperature is 100 ℃, and be 4 minutes heat time heating time.
E, the weather-proof PETG film that will be equipped with weather-proof gel coating resin and step c obtain that the FPR base layer is bonded together and are smooth through the Extruded roller extruding; Wherein, the PETG film of FPR base layer is positioned at the outside.
F, the composite that step e is obtained are put into heating furnace and are heating and curing, and wherein heating-up temperature is 70 ℃, and be 15 minutes heat time heating time, obtains weather resistant highly elastic fiber reinforced composite.
See also shown in Figure 1, through experiment test, utilize the fibre reinforced composites of this method preparation, formed by the base layer 1 that is arranged in order, weather-proof gel coating resin 2 and weather-proof PETG film 3, wherein, the thickness of weather-proof PETG film is 25 μ m, and the thickness of weather-proof gel coating resin is 500 μ m.Elasticity and the weather resistance of weather resistant highly elastic fiber reinforced composite of the present invention significantly promote, and the fibre reinforced composites elasticity of prior art improves 3.5 times relatively, and weather resistance improves 7 times.
Claims (9)
1. weather resistant highly elastic fiber reinforced composite, it is characterized in that, formed by the base layer that is arranged in order, weather-proof gel coating resin, weatherability PETG film, the thickness of described weatherability PETG film is 25-50 μ m, the thickness of described weather-proof gel coating resin is 70-500 μ m, and described base layer is the FPR material.
2. weather resistant highly elastic fiber reinforced composite as claimed in claim 1, it is characterized in that, described base layer comprises PETG film, unsaturated polyester resin and glass fibre, wherein, described unsaturated polyester resin and glass fibre are laid on the described PETG film successively, the thickness of described PETG film is 25-50 μ m, and the weight ratio of described unsaturated polyester resin and glass fibre is 60-70:30-40.
3. weather resistant highly elastic fiber reinforced composite as claimed in claim 2 is characterized in that, described unsaturated polyester resin is metaphenylene or adjacent benzene type, p-phenyl, vinyl-type.
4. weather resistant highly elastic fiber reinforced composite as claimed in claim 2 is characterized in that, described glass fibre is chopped yarn, felt or cloth.
5. weather resistant highly elastic fiber reinforced composite as claimed in claim 2 is characterized in that, the filament diameter of described glass fibre is 8-12 μ m.
6. weather resistant highly elastic fiber reinforced composite as claimed in claim 1 is characterized in that, described weather-proof gel coating resin is isophthalic neopentyl glycol type unsaturated polyester resin, vinyl-type unsaturated polyester resin, fluorine carbon type unsaturated polyester resin.
7. such as the preparation method of each described weather resistant highly elastic fiber reinforced composite of claim 1-6, it is characterized in that, may further comprise the steps:
A, preparation PETG film, the thickness of described PETG film is 25-50 μ m;
B, on described PETG film, lay successively unsaturated polyester resin and glass fibre, obtain the FRP base layer;
C, the FRP base layer that step 2 is obtained push smooth through row's bubble roller, slicking-in roller;
D, the weather-proof PETG film of preparation, the thickness of described weather-proof PETG film is 25-50 μ m, lay weather-resistant glue clothing layer at described weather-proof PETG film, the thickness of described weather-proof gel coating resin is 70-500 μ m, the weather-proof PETG film that is equipped with described weather-proof gel coating resin is put into the gel coat stove heat gel;
E, steps d obtained that PETG film, weather-proof gel coating resin and step c obtain that the FPR base layer is bonded together and smooth through the Extruded roller extruding;
F, the composite that step e is obtained are put into heating furnace and are heating and curing, and obtain described weather resistant highly elastic fiber reinforced composite.
8. the preparation method of weather resistant highly elastic fiber reinforced composite as claimed in claim 7 is characterized in that, the heating-up temperature of heating gel is 100-150 ℃ in the steps d, and be 2.5-4 minute heat time heating time.
9. the preparation method of weather resistant highly elastic fiber reinforced composite as claimed in claim 7 is characterized in that, the heating-up temperature that is heating and curing described in the step f is 70-110 ℃, and be 10-15 minute heat time heating time.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346927A (en) * | 2016-08-19 | 2017-01-25 | 王胜利 | Basalt fiber reinforced composite material and preparation method thereof |
| CN107554114A (en) * | 2017-07-07 | 2018-01-09 | 江苏欧钛克复合材料技术有限公司 | A kind of application of the printing roller of improved materials performance |
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| CN202986250U (en) * | 2012-09-26 | 2013-06-12 | 苏州多凯复合材料有限公司 | Weather-proof type high-elasticity fiber reinforced composite materials |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08121996A (en) * | 1994-10-27 | 1996-05-17 | Toyobo Co Ltd | Light weight impact resistant material |
| CN1663775A (en) * | 2005-02-01 | 2005-09-07 | 陈亦锋 | Multilayer co-extrusion transfusion film and manufacturing method thereof |
| CN101357497A (en) * | 2008-08-20 | 2009-02-04 | 昆山道谱思复合材料有限公司 | Production method of glass fiber reinforced plastics product with cleavage lines effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20130109 |