CN102617982B - Carbon nanotube/nylon fiber modified epoxy resin composite material - Google Patents
Carbon nanotube/nylon fiber modified epoxy resin composite material Download PDFInfo
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- CN102617982B CN102617982B CN2012100926561A CN201210092656A CN102617982B CN 102617982 B CN102617982 B CN 102617982B CN 2012100926561 A CN2012100926561 A CN 2012100926561A CN 201210092656 A CN201210092656 A CN 201210092656A CN 102617982 B CN102617982 B CN 102617982B
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Abstract
The invention provides a carbon nanotube/nylon fiber modified epoxy resin composite material, which comprises 1-5 percent by mass of carbon nanotube/nylon fiber membrane and 95-99 percent by mass of epoxy resin, wherein the carbon nanotube/nylon fiber membrane is taken as a framework; the epoxy resin is taken as a mold material; the carbon nanotube/nylon fiber membrane is uniformly distributed inside the epoxy resin; the content of carbon nanotube in the carbon nanotube/nylon fiber membrane is 0.5-1.5 percent; and nylon is coated on the carbon nanotube. The composite material has high flexibility, high heat resistance and high heat conductivility, and does not influence the performance of the epoxy resin.
Description
Technical field
The invention provides a kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, belong to field of compound material.
Background content
Epoxy resin has excellent electrical insulation properties, chemical stability, good adhesive property and simple processing and forming technology, is widely used in the fields such as electronics, automobile and aerospace.Along with the modern times are electric, the Change and Development of the development of electronic industry, especially electronic package material, epoxy resin has accounted for more than 90% of whole packaged material, and therefore in recent years, the research and preparation of epoxy resin composite material becomes the focus of Electronic Packaging industry.Increase severely along with miniaturization, the integrated development of electronic devices and components makes heat, packaged material has been proposed to higher heat-resisting requirement, life-span and the reliability of, electronic product electric to guarantee.Yet, shock-resistant damage ability after epoxy resin exist to solidify, the defect such as poor toughness and resistance toheat are lower, its capacity of heat transmission also has much room for improvement in addition.Therefore single epoxy resin has been difficult to meet high request, the Development of Novel matrix material that must look for another way, and epoxide resin material will be to the Composite future development.Be mainly that rubber elastomer, thermoplastic resin or the dispersions such as liquid crystalline polymers, rigid particles are added to resin matrix to the modification of epoxy resin at present, then carry out physical blending.The loading level of filler, shape, geometrical dimension and accumulation mode, interface compatibility that filler/resin two is alternate etc. all can affect the bulk property of epoxy resin.Especially filler is easy to assemble agglomerating in matrix, causes the mechanical property of matrix material and resistance toheat all to descend to some extent, and these problems are anxious to be resolved.
Summary of the invention
The invention provides a kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, solved the shortcoming in the background technology, this matrix material snappiness is strong, and resistance toheat and thermal conductivity are all good, also can the performance of epoxy resin own not impacted simultaneously.
Realize that the technical scheme that above-mentioned purpose of the present invention adopts is:
A kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 1%～5% and massfraction are 95%～99%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, epoxy resin is mould material, the carbon nano-tube/nylon composite cellulosic membrane is distributed in the inside of epoxy resin uniformly, and in the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 0.5%～1.5%, and nylon bag is overlying on carbon nanotube.
Described carbon nanotube is multi-walled carbon nano-tubes.Described nylon is nylon 6.The elongation at break of described matrix material is 15～25%, and heat decomposition temperature is 328～337 ℃.
Carbon nanotube and nylon composite cellulosic membrane using in carbon nano-tube/nylon fibre modification epoxy resin composite material provided by the invention as skeleton, with epoxy resin as mould material.Because carbon nanotube and nylon composite cellulosic membrane are comprised of electrospinning fibre, its Fibre diameter is less, and generally between 100nm to 1um, and its diameter Distribution is even, specific surface area is large, porosity is high, so skeleton can be evenly distributed in epoxy resin inside.While is the three-dimensional net structure that carbon nanotube and nylon fiber form due to the skeleton of this matrix material again, and the nylon be coated on carbon nanotube plays the conductive capability that the insulation layer effect shields carbon nanotube on the one hand; Play on the other hand the interfacial layer effect and increase the modulus matching degree between carbon nanotube and epoxy resin, thereby snappiness, thermotolerance and the thermal conductivity of this material have been improved, can original electrical insulating property, chemical stability, mechanical property and the adhesive property of epoxy resin do not impacted again simultaneously, its processing and forming technology is simple, thereby can be widely used in the fields such as electronics, automobile and aerospace.
Embodiment
Below in conjunction with specific embodiment, the present invention is done to detailed specific description.
Embodiment 1: a kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, and this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 1% and massfraction are 99%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly.In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 0.5%, and nylon bag is overlying on carbon nanotube.In the present embodiment, carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6.
The carbon nano-tube/nylon fibre modification epoxy resin composite material provided in the present embodiment, its elongation at break is 15.0%, and tensile strength is 16.8MPa, and heat decomposition temperature is 328.7 ℃.And the epoxy resin elongation at break that does not contain skeleton is 8.4%, tensile strength is 18.2MPa, and heat decomposition temperature is 322.6 ℃.Comparatively speaking, resistance toheat is improved, and tensile strength slightly reduces, but elongation at break increases by 79%.
Carbon nano-tube/nylon fibre modification epoxy resin composite material in the present embodiment adopts the following methods preparation:
(1), adopt formic acid solution to dissolve nylon 6, make nylon 6 formic acid solutions;
(2), in nylon 6 formic acid solutions that make, according to certain ratio, add multi-arm carbon nano-tube,, after fully stirring, ultrasonic dispersion 0.5 hour, make spinning solution;
(3), spinning solution is carried out to the spinning processing, the blend fiber film that makes multi-walled carbon nano-tubes and nylon 6 is skeleton, and skeleton is cut into to suitable size, and the special dies of customization is put in tiling;
(4), add photosensitizers in epoxy acrylic resin, make mould material;
(5), under the condition of 60 ℃, according to certain ratio, mould material evenly is cast on the skeleton of tiling;
(6), employing ultra violet lamp 40s obtains carbon nano-tube/nylon fibre modification epoxy resin composite material after solidifying.
Embodiment 2: a kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, and this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 3% and massfraction are 97%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly.In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1%, and nylon bag is overlying on carbon nanotube.In the present embodiment, carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6.
The preparation method of the carbon nano-tube/nylon fibre modification epoxy resin composite material in the present embodiment is identical with embodiment 1.
The carbon nano-tube/nylon fibre modification epoxy resin composite material provided in the present embodiment, its elongation at break is 24.2%, and tensile strength is 17.9MPa, and heat decomposition temperature is 330.6 ℃.And the epoxy resin elongation at break that does not contain skeleton is 8.4%, tensile strength is 18.2MPa, and heat decomposition temperature is 322.6 ℃.Comparatively speaking, resistance toheat is improved, and tensile strength slightly reduces, but elongation at break increases by 188%.
Embodiment 3:
A kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 5% and massfraction are 95%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly.In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1.5%, and nylon bag is overlying on carbon nanotube.In the present embodiment, carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6.
The preparation method of the carbon nano-tube/nylon fibre modification epoxy resin composite material in the present embodiment is identical with embodiment 1.
The carbon nano-tube/nylon fibre modification epoxy resin composite material provided in the present embodiment, its elongation at break is 19.0%, and tensile strength is 16.2MPa, and heat decomposition temperature is 329.6 ℃.And the epoxy resin elongation at break that does not contain skeleton is 8.4%, tensile strength is 18.2MPa, and heat decomposition temperature is 322.6 ℃.Comparatively speaking, resistance toheat is improved, and tensile strength slightly reduces, but elongation at break increases by 126%.
Embodiment 4:
A kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 3% and massfraction are 97%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly.In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1.5%, and nylon bag is overlying on carbon nanotube.In the present embodiment, carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6.
The preparation method of the carbon nano-tube/nylon fibre modification epoxy resin composite material in the present embodiment is identical with embodiment 1.
The carbon nano-tube/nylon fibre modification epoxy resin composite material provided in the present embodiment, its elongation at break is 25.0%, and tensile strength is 17.6MPa, and heat decomposition temperature is 336.8 ℃.And the epoxy resin elongation at break that does not contain skeleton is 8.4%, tensile strength is 18.2MPa, and heat decomposition temperature is 322.6 ℃.Comparatively speaking, resistance toheat is improved, and tensile strength slightly reduces, but elongation at break increases by 198%.
Embodiment 5:
A kind of carbon nano-tube/nylon fibre modification epoxy resin composite material, this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 1% and massfraction are 99%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly.In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1%, and nylon bag is overlying on carbon nanotube.In the present embodiment, carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6.
The preparation method of the carbon nano-tube/nylon fibre modification epoxy resin composite material in the present embodiment is identical with embodiment 1.
The carbon nano-tube/nylon fibre modification epoxy resin composite material provided in the present embodiment, its elongation at break is 20.2%, and tensile strength is 16.7MPa, and heat decomposition temperature is 332.0 ℃.And the epoxy resin elongation at break that does not contain skeleton is 8.4%, tensile strength is 18.2MPa, and heat decomposition temperature is 322.6 ℃.Comparatively speaking, resistance toheat is improved, and tensile strength slightly reduces, but elongation at break increases by 140%.
Claims (5)
1. a carbon nano-tube/nylon fibre modification epoxy resin composite material is characterized in that: this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 1% and massfraction are 99%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly; In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 0.5%, and nylon bag is overlying on carbon nanotube; Wherein carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6;
Carbon nano-tube/nylon fibre modification epoxy resin composite material wherein adopts the following methods preparation:
(1), adopt formic acid solution to dissolve nylon 6, make nylon 6 formic acid solutions;
(2), in nylon 6 formic acid solutions that make, according to above ratio, add multi-walled carbon nano-tubes,, after fully stirring, ultrasonic dispersion 0.5 hour, make spinning solution;
(3), spinning solution is carried out to the spinning processing, the blend fiber film that makes multi-walled carbon nano-tubes and nylon 6 is skeleton, and skeleton is cut into to suitable size, and the special dies of customization is put in tiling;
(4), add photosensitizers in epoxy acrylic resin, make mould material;
(5), under the condition of 60 ℃, according to above ratio, mould material evenly is cast on the skeleton of tiling;
(6), employing ultra violet lamp 40s obtains carbon nano-tube/nylon fibre modification epoxy resin composite material after solidifying.
2. a carbon nano-tube/nylon fibre modification epoxy resin composite material is characterized in that: this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 3% and massfraction are 97%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly; In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1%, and nylon bag is overlying on carbon nanotube; Wherein carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6;
Carbon nano-tube/nylon fibre modification epoxy resin composite material wherein adopts the following methods preparation:
(1), adopt formic acid solution to dissolve nylon 6, make nylon 6 formic acid solutions;
(2), in nylon 6 formic acid solutions that make, according to above ratio, add multi-walled carbon nano-tubes,, after fully stirring, ultrasonic dispersion 0.5 hour, make spinning solution;
(3), spinning solution is carried out to the spinning processing, the blend fiber film that makes multi-walled carbon nano-tubes and nylon 6 is skeleton, and skeleton is cut into to suitable size, and the special dies of customization is put in tiling;
(4), add photosensitizers in epoxy acrylic resin, make mould material;
(5), under the condition of 60 ℃, according to above ratio, mould material evenly is cast on the skeleton of tiling;
(6), employing ultra violet lamp 40s obtains carbon nano-tube/nylon fibre modification epoxy resin composite material after solidifying.
3. a carbon nano-tube/nylon fibre modification epoxy resin composite material is characterized in that: this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 5% and massfraction are 95%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly; In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1.5%, and nylon bag is overlying on carbon nanotube; Wherein carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6;
Carbon nano-tube/nylon fibre modification epoxy resin composite material wherein adopts the following methods preparation:
(1), adopt formic acid solution to dissolve nylon 6, make nylon 6 formic acid solutions;
(2), in nylon 6 formic acid solutions that make, according to above ratio, add multi-walled carbon nano-tubes,, after fully stirring, ultrasonic dispersion 0.5 hour, make spinning solution;
(3), spinning solution is carried out to the spinning processing, the blend fiber film that makes multi-walled carbon nano-tubes and nylon 6 is skeleton, and skeleton is cut into to suitable size, and the special dies of customization is put in tiling;
(4), add photosensitizers in epoxy acrylic resin, make mould material;
(5), under the condition of 60 ℃, according to above ratio, mould material evenly is cast on the skeleton of tiling;
(6), employing ultra violet lamp 40s obtains carbon nano-tube/nylon fibre modification epoxy resin composite material after solidifying.
4. a carbon nano-tube/nylon fibre modification epoxy resin composite material is characterized in that: this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 3% and massfraction are 97%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly; In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1.5%, and nylon bag is overlying on carbon nanotube; Wherein carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6;
Carbon nano-tube/nylon fibre modification epoxy resin composite material wherein adopts the following methods preparation:
(1), adopt formic acid solution to dissolve nylon 6, make nylon 6 formic acid solutions;
(2), in nylon 6 formic acid solutions that make, according to above ratio, add multi-walled carbon nano-tubes,, after fully stirring, ultrasonic dispersion 0.5 hour, make spinning solution;
(3), spinning solution is carried out to the spinning processing, the blend fiber film that makes multi-walled carbon nano-tubes and nylon 6 is skeleton, and skeleton is cut into to suitable size, and the special dies of customization is put in tiling;
(4), add photosensitizers in epoxy acrylic resin, make mould material;
(5), under the condition of 60 ℃, according to above ratio, mould material evenly is cast on the skeleton of tiling;
(6), employing ultra violet lamp 40s obtains carbon nano-tube/nylon fibre modification epoxy resin composite material after solidifying.
5. a carbon nano-tube/nylon fibre modification epoxy resin composite material is characterized in that: this matrix material comprises the epoxy resin that carbon nano-tube/nylon composite cellulosic membrane that massfraction is 1% and massfraction are 99%; Wherein the carbon nano-tube/nylon composite cellulosic membrane is skeleton, and epoxy resin is mould material, and skeleton is distributed in the inside of mould material uniformly; In the carbon nano-tube/nylon composite cellulosic membrane, the content of carbon nanotube is 1%, and nylon bag is overlying on carbon nanotube; Wherein carbon nanotube adopts multi-walled carbon nano-tubes, and nylon adopts nylon 6;
Carbon nano-tube/nylon fibre modification epoxy resin composite material wherein adopts the following methods preparation:
(1), adopt formic acid solution to dissolve nylon 6, make nylon 6 formic acid solutions;
(2), in nylon 6 formic acid solutions that make, according to above ratio, add multi-walled carbon nano-tubes,, after fully stirring, ultrasonic dispersion 0.5 hour, make spinning solution;
(3), spinning solution is carried out to the spinning processing, the blend fiber film that makes multi-walled carbon nano-tubes and nylon 6 is skeleton, and skeleton is cut into to suitable size, and the special dies of customization is put in tiling;
(4), add photosensitizers in epoxy acrylic resin, make mould material;
(5), under the condition of 60 ℃, according to above ratio, mould material evenly is cast on the skeleton of tiling;
(6), employing ultra violet lamp 40s obtains carbon nano-tube/nylon fibre modification epoxy resin composite material after solidifying.
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| CN109943051B (en) * | 2019-03-21 | 2021-06-25 | 龙岩市润峰科技有限公司 | Polycarbonate material with electromagnetic shielding effect and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101397372A (en) * | 2007-09-28 | 2009-04-01 | 北京化工大学 | Method for preparing nano fiber reinforcement toughening resin base composite material |
| CN101466598A (en) * | 2006-03-10 | 2009-06-24 | 豪富公司 | Low density lightning strike protection for use in airplanes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101466598A (en) * | 2006-03-10 | 2009-06-24 | 豪富公司 | Low density lightning strike protection for use in airplanes |
| CN101397372A (en) * | 2007-09-28 | 2009-04-01 | 北京化工大学 | Method for preparing nano fiber reinforcement toughening resin base composite material |
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