CN104861422A - Novel epoxy resin laminated composite for snowboard and preparation method of novel epoxy resin laminated composite - Google Patents
Novel epoxy resin laminated composite for snowboard and preparation method of novel epoxy resin laminated composite Download PDFInfo
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- CN104861422A CN104861422A CN201510260302.7A CN201510260302A CN104861422A CN 104861422 A CN104861422 A CN 104861422A CN 201510260302 A CN201510260302 A CN 201510260302A CN 104861422 A CN104861422 A CN 104861422A
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Abstract
The invention provides novel epoxy resin laminated composite for a snowboard. The novel epoxy resin laminated composite comprises components in parts by weight as follows: 100 parts of epoxy resin, 20-25 parts of bamboo fiber, 10-16 parts of ramie fiber, 0.5-1 parts of a silane coupling agent, 25-30 parts of polyamide, 6-9 parts of a toughening agent, 80-85 parts of a curing agent and 5-20 parts of a solvent. The invention further discloses a preparation method of the novel epoxy resin laminated composite for the snowboard. The epoxy resin laminated composite for the snowboard has higher impact resistance and is lower in cost and easy to popularize.
Description
Technical field:
The present invention relates to a kind of lamination matrix material, particularly relate to a kind of epoxy resin lamination matrix material and preparation method thereof.
Background technology:
Thermosetting resin based composites is a kind of matrix material studied at most at present, apply the widest, it has, and quality is light, intensity is high, modulus is large, good corrosion resistance, excellent electrical property, raw material sources are extensive, machine-shaping is easy, production efficiency high, and there is material designability and some other property, as the characteristic such as vibration damping, noise reduction, thoroughly hertzian wave, stealthy, resistance to ablation, become the important materials that cannot replace in national economy, national defense construction and development in science and technology.In thermosetting resin based composites, use maximum resins to remain this three large thermosetting resin of resol, unsaturated polyester junket resin and epoxy resin.The feature of these three kinds of resins is different: the thermotolerance of resol is higher, acid resistance good, curing speed is fast, but more crisp, need high-pressure molding; Good manufacturability, the price of unsaturated polyester junket resin are minimum, but poor-performing; Cohesive strength and the cohesive strength of epoxy resin are high, erosion resistance and dielectric properties excellence, but the mechanical properties such as shock resistance are not good.
Epoxy resin-base composite material obtains very fast development in sports goods in recent years, the Chinese patent application that such as publication number is CN102604045A, publication date is 20120725, application people is East China University of Science discloses " composition epoxy resin and use it to prepare the method for glued membrane, prepreg, matrix material ", utilize glued membrane legal system for Unidirectional fiber reinforced epoxy resin prepreg, the obtained matrix material that improve mechanical property, this material can in athletic sports appliance.But, there will be shock resistance not high enough, the easy problem that fracture occurs when this invention resulting materials is applied to ski, and the Unidirectional fiber that this invention reinforced epoxy adopts, cost is higher, is difficult to large-scale popularization.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of neo-epoxy resin lamination matrix material of ski, and shock resistance is higher, and cost is lower, is easy to promote.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A neo-epoxy resin lamination matrix material for ski, its weight part consists of:
Preferably, epoxy resin of the present invention is E-44 epoxy resin or E-51 epoxy resin.
Preferably, silane coupling agent of the present invention is KH550 or KH560.
Preferably, polymeric amide of the present invention is polyamide 6 50.
Preferably, toughner of the present invention is DOP or CTBN.
Preferably, solidifying agent of the present invention is DDS or 2-ethyl-4-methylimidazole.
Preferably, solvent of the present invention is ethanol or acetone.
Another technical problem that the present invention will solve is to provide the preparation method of the neo-epoxy resin lamination matrix material of above-mentioned ski.
For solving the problems of the technologies described above, technical scheme is:
A preparation method for the neo-epoxy resin lamination matrix material of ski, comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) epoxy resin, modified bamboo fiber, modified ramie, polymeric amide, toughner, solidifying agent, solvent are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, obtains the neo-epoxy resin lamination matrix material of ski.
Preferably, the air pressure in described step (3) during vacuum-drying in baking oven is 0.1MPa.
Preferably, the temperature in described step (3) during vacuum-drying in baking oven is 110 DEG C.
Therefore compared with prior art, the present invention has following beneficial effect:
Silane coupling agent changes the surface property of bamboo fibers and ramee, improve bamboo fibers and the consistency between ramee and epoxy resin-base, interface binding power, water ratio limit intensity, like this when matrix material is subject to external load effect, epoxy resin-base can by dynamic changes process to bamboo fibers and ramee, bamboo fibers and ramee play enhancement and can offset the stress rupture effect that load formed in epoxy resin-base, thus improve the resistance to impact shock of matrix material, the mechanical properties such as tensile strength, the requirement of ski to material mechanical performance aspect can be met, bamboo fibers and ramee better mechanical property, wide material sources, cheap and easy to get, can effectively reduce costs, and also more friendly to environment, be easy to promote.
Embodiment:
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1
A neo-epoxy resin lamination matrix material for ski, its weight part consists of: E-44 epoxy resin 100 parts, bamboo fibers 24 parts, ramee 14 parts, KH550 0.7 part, polyamide 6 50 28 parts, DOP 7 parts, 2-ethyl-4-methylimidazole 84 parts, ethanol 18 parts.
Its preparation method comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) E-44 epoxy resin, modified bamboo fiber, modified ramie, polyamide 6 50, DOP, 2-ethyl-4-methylimidazole, ethanol are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, air pressure in baking oven is 0.1MPa, and temperature is 110 DEG C, obtains the neo-epoxy resin lamination matrix material of ski.
Embodiment 2
A neo-epoxy resin lamination matrix material for ski, its weight part consists of: E-51 epoxy resin 100 parts, bamboo fibers 25 parts, ramee 15 parts, KH560 0.9 part, polyamide 6 50 27 parts, DOP 8 parts, DDS 82 parts, propyl alcohol 16 parts.
Its preparation method comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) E-51 epoxy resin, modified bamboo fiber, modified ramie, polyamide 6 50, DOP, DDS, propyl alcohol are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, air pressure in baking oven is 0.1MPa, and temperature is 110 DEG C, obtains the neo-epoxy resin lamination matrix material of ski.
Embodiment 3
A neo-epoxy resin lamination matrix material for ski, E-44 epoxy resin 100 parts, bamboo fibers 21 parts, ramee 10 parts, KH560 0.5 part, polyamide 6 50 30 parts, CTBN 6 parts, 2-ethyl-4-methylimidazole 83 parts, propyl alcohol 16 parts.
Its preparation method comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) E-44 epoxy resin, modified bamboo fiber, modified ramie, polyamide 6 50, CTBN, 2-ethyl-4-methylimidazole, propyl alcohol are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, air pressure in baking oven is 0.1MPa, and temperature is 110 DEG C, obtains the neo-epoxy resin lamination matrix material of ski.
Embodiment 4
A neo-epoxy resin lamination matrix material for ski, its weight part consists of: E-44 epoxy resin 100 parts, bamboo fibers 20 parts, ramee 12 parts, KH550 0.6 part, polyamide 6 50 25 parts, CTBN 9 parts, 2-ethyl-4-methylimidazole 85 parts, ethanol 19 parts.
Its preparation method comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) E-44 epoxy resin, modified bamboo fiber, modified ramie, polyamide 6 50, CTBN, 2-ethyl-4-methylimidazole, ethanol are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, air pressure in baking oven is 0.1MPa, and temperature is 110 DEG C, obtains the neo-epoxy resin lamination matrix material of ski.
Embodiment 5
A neo-epoxy resin lamination matrix material for ski, its weight part consists of: E-51 epoxy resin 100 parts, bamboo fibers 22 parts, ramee 16 parts, KH550 0.8 part, polyamide 6 50 26 parts, CTBN 6 parts, DDS 81 parts, ethanol 16 parts.
Its preparation method comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) E-51 epoxy resin, modified bamboo fiber, modified ramie, polyamide 6 50, CTBN, DDS, ethanol are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, air pressure in baking oven is 0.1MPa, and temperature is 110 DEG C, obtains the neo-epoxy resin lamination matrix material of ski.
Embodiment 6
A neo-epoxy resin lamination matrix material for ski, its weight part consists of: E-51 epoxy resin 100 parts, bamboo fibers 23 parts, ramee 13 parts, KH550 0.7 part, polyamide 6 50 29 parts, DOP 8 parts, DDS 80 parts, propyl alcohol 20 parts.
Its preparation method comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) E-51 epoxy resin, modified bamboo fiber, modified ramie, polyamide 6 50, DOP, DDS, propyl alcohol are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, air pressure in baking oven is 0.1MPa, and temperature is 110 DEG C, obtains the neo-epoxy resin lamination matrix material of ski.
Embodiment 7
A neo-epoxy resin lamination matrix material for ski, its weight part consists of: E-44 epoxy resin 100 parts, bamboo fibers 21 parts, ramee 11 parts, KH560 0.6 part, polyamide 6 50 28 parts, DOP 7 parts, 2-ethyl-4-methylimidazole 84 parts, propyl alcohol 15 parts.
Its preparation method comprises the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) E-44 epoxy resin, modified bamboo fiber, modified ramie, polyamide 6 50, DOP, 2-ethyl-4-methylimidazole, propyl alcohol are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, air pressure in baking oven is 0.1MPa, and temperature is 110 DEG C, obtains the neo-epoxy resin lamination matrix material of ski.
After tested, resistance to impact shock, the tensile strength of the matrix material that embodiment 1-7 obtains and comparative example are as shown in the table, the wherein Chinese patent of comparative example to be publication number be CN102604045A, resistance to impact shock is tested according to GB/T 1843, and tensile strength is tested according to GB/T 1040:
As seen from the above table, the resistance to impact shock of the matrix material that obtains of the present invention, tensile strength are all significantly better than comparative example.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a neo-epoxy resin lamination matrix material for ski, is characterized in that: its weight part consists of:
2. the neo-epoxy resin lamination matrix material of a kind of ski according to claim 1, is characterized in that: described epoxy resin is E-44 epoxy resin or E-51 epoxy resin.
3. the neo-epoxy resin lamination matrix material of a kind of ski according to claim 1, is characterized in that: described silane coupling agent is KH550 or KH560.
4. the neo-epoxy resin lamination matrix material of a kind of ski according to claim 1, is characterized in that: described polymeric amide is polyamide 6 50.
5. the neo-epoxy resin lamination matrix material of a kind of ski according to claim 1, is characterized in that: described toughner is DOP or CTBN.
6. the neo-epoxy resin lamination matrix material of a kind of ski according to claim 1, is characterized in that: described solidifying agent is DDS or 2-ethyl-4-methylimidazole.
7. the neo-epoxy resin lamination matrix material of a kind of ski according to claim 1, is characterized in that: described solvent is ethanol or acetone.
8. the preparation method of the neo-epoxy resin lamination matrix material of a kind of ski according to claim 1 ~ 7 any one, is characterized in that: comprise the following steps:
(1) bamboo chip is cleaned be placed in NaOH solution and soak 3 hours at 80 DEG C, washing aftertreatment becomes filament, this filament is dried 3 hours at 80 DEG C, obtaining bamboo fibers takes out for subsequent use, silane coupling agent is dissolved in the aqueous solution of ethanol and obtains mixing solutions, bamboo fibers, ramee bar are placed in this mixing solutions and soak 2 hours at 50 DEG C, then dries 5 hours at 80 DEG C, obtain modified bamboo fiber, modified ramie;
(2) epoxy resin, modified bamboo fiber, modified ramie, polymeric amide, toughner, solidifying agent, solvent are added in stirring tank stir, obtain compound;
(3) compound that step (2) obtains is moved in mould, this mould to be placed on vulcanizer preheating 40 minutes, solidify 4 hours at 70 DEG C, solidify 3 hours at 110 DEG C again, die sinking feeding puts into baking oven vacuum-drying 24 hours, obtains the neo-epoxy resin lamination matrix material of ski.
9. the preparation method of the neo-epoxy resin lamination matrix material of a kind of ski according to claim 8, is characterized in that: the air pressure in described step (3) during vacuum-drying in baking oven is 0.1MPa.
10. the preparation method of the neo-epoxy resin lamination matrix material of a kind of ski according to claim 8, is characterized in that: the temperature in described step (3) during vacuum-drying in baking oven is 110 DEG C.
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| CN201510260302.7A CN104861422A (en) | 2015-05-20 | 2015-05-20 | Novel epoxy resin laminated composite for snowboard and preparation method of novel epoxy resin laminated composite |
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| CN201510260302.7A CN104861422A (en) | 2015-05-20 | 2015-05-20 | Novel epoxy resin laminated composite for snowboard and preparation method of novel epoxy resin laminated composite |
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Cited By (3)
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| CN107033538A (en) * | 2016-10-12 | 2017-08-11 | 洛阳鼎威材料科技有限公司 | The sliding device material of one kind snow, and preparation method thereof |
| CN114656751A (en) * | 2022-03-16 | 2022-06-24 | 华南理工大学 | Light insulating plant fiber composite material and preparation method and application thereof |
| CN114702784A (en) * | 2022-04-12 | 2022-07-05 | 中南林业科技大学 | Natural fiber reinforced epoxy resin composite material, preparation method thereof and application thereof in 3D printing |
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| CN107033538A (en) * | 2016-10-12 | 2017-08-11 | 洛阳鼎威材料科技有限公司 | The sliding device material of one kind snow, and preparation method thereof |
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