CN105062058A - Nylon/graphene composite material and preparation method thereof - Google Patents
Nylon/graphene composite material and preparation method thereof Download PDFInfo
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- CN105062058A CN105062058A CN201510452292.7A CN201510452292A CN105062058A CN 105062058 A CN105062058 A CN 105062058A CN 201510452292 A CN201510452292 A CN 201510452292A CN 105062058 A CN105062058 A CN 105062058A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a nylon/graphene composite material and a preparation method thereof. The nylon/graphene composite material comprises the following components in parts by weight: 50 to 85 parts of nylon resin, 10 to 30 parts of graphene powder, 5 to 18 parts of modified polytetrafluoroethylene, 1 to 6 parts of glass fiber, 2 to 10 parts of brucite fiber, 2 to 5 parts of polyethylene glycol terephthalate, 1 to 5 parts of epoxy resin, 1 to 3 parts of acrylic acid resin, 2 to 6 parts of polyphenyl granule, 1 to 8 parts of lead nitrate, 3 to 7 parts of silane coupling agent, and 0.5 to 1 part of auxiliary agent. The invention also discloses a preparation method of the nylon/graphene composite material. The preparation technology is simple, the experiment results show that thermal conductivity of prepared nylon/graphene composite material is prominently improved, and thus the application range of the composite material is enlarged.
Description
Technical field
The present invention relates to polymeric material field, particularly a kind of nylon/graphene composite material and preparation method thereof.
Background technology
Nylon (PA), polymeric amide, be on molecular backbone chain containing recurring amide radical group-[NHCO]-thermoplastic resin general name, be also in five large-engineering plastics at most and the maximum a kind of macromolecular material of consumption.Because nylon elastic is good, physical strength is high, wear-resisting, acidproof, the advantage such as oil resistant and antienzyme bacterium, be widely used in automotive industry, transportation, machine building industry, film and articles for daily use.Compared to metallic substance, the cost of nylon material is low, and it is easier to make complete processing, but the heat conduction of nylon material is not so good as traditional metallic substance, so limit it in application thermal conductivity being required to high field.In prior art, have and use the good aluminum oxide of heat conduction, magnesium oxide and silicon carbide to improve the thermal conductivity of nylon, prepare various nylon based composites, but, the thermal conductivity of these nylon based composites is still lower, usually the thermal conductivity of these matrix materials is still lower than 1W/ (mk), can not practical requirement.
Summary of the invention
The technical problem solved is: the poor heat conduction solving nylon base material, can not meet the problem of practical application request, provide a kind of nylon/graphene composite material and preparation method thereof.
Technical scheme: in order to solve the problem, the invention provides a kind of nylon/graphene composite material, comprises the component of following composition weight number:
Nylon resin 50-85 part, graphene powder 10-30 part, modified Teflon 5-18 part, glass fibre 1-6 part, brucite fiber 2-10 part, polyethylene terephthalate 2-5 part, epoxy resin 1-5 part, acroleic acid resin 1-3 part, granular polystyrene 2-6 part, lead nitrate 1-8 part, silane coupling agent 3-7 part and auxiliary agent 0.5-1 part.
Preferably, a kind of nylon/graphene composite material, comprises the component of following composition weight number:
Nylon resin 63-78 part, graphene powder 15-25 part, modified Teflon 8-13 part, glass fibre 3-6 part, brucite fiber 5-10 part, polyethylene terephthalate 3-5 part, epoxy resin 2-5 part, acroleic acid resin 1-3 part, granular polystyrene 2-6 part, lead nitrate 2-8 part, silane coupling agent 5-7 part and auxiliary agent 0.5-1 part.
Preferably, a kind of nylon/graphene composite material, comprises the component of following composition weight number:
Nylon resin 65 parts, graphene powder 18 parts, modified Teflon 10 parts, 2 parts, glass fibre, brucite fiber 6 parts, polyethylene terephthalate 4 parts, epoxy resin 5 parts, acroleic acid resin 2 parts, granular polystyrene 3 parts, lead nitrate 3 parts, silane coupling agent 6 parts and auxiliary agent 1 part.
Preferably, described nylon resin is at least one in PA66, PA12 and PA610.
Preferably, described modified Teflon is by ceramic fiber modification.
Preferably, described auxiliary agent comprises antioxidant, dispersion agent and high temperature resistant auxiliary agent.
Preferably, described silane coupling agent is at least one of A-171, A-172 and KH550.
The preparation method of above-described a kind of nylon/graphene composite material, comprises the following steps:
By nylon resin and the first ground and mixed by a certain percentage of graphene powder, add a certain proportion of modified Teflon, epoxy resin, silane coupling agent and auxiliary agent again to mix in a mixer, then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
A certain proportion of glass fibre, brucite fiber, polyethylene terephthalate, acroleic acid resin, granular polystyrene and lead nitrate are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
The present invention has following beneficial effect: the nylon/graphene composite material prepared by the present invention, not only preparation technology is simple, and the thermal conductivity of nylon/graphene composite material prepared by experimental result display is obviously improved, thermal conductivity is 2.23 ~ 5.47W/ (mk), all be greater than 1W/ (mk), thus can expand the practical application of nylon/graphene composite material.
embodiment:
In order to understand the present invention further, below in conjunction with embodiment, invention preferred embodiment is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1
A preparation method for nylon/graphene composite material, comprises the following steps:
By nylon resin 50 parts (comprising PA66:30 part and PA12:20 part) and graphene powder 10 parts of ground and mixed, add by the modified Teflon 5 parts of ceramic fiber modification, epoxy resin 1 part, silane coupling agent (KH550) 3 parts and auxiliary agent 0.5 part again, mix in a mixer, wherein, auxiliary agent comprises the conventional antioxidant 0.2 part, dispersion agent 0.2 part and the high temperature resistant auxiliary agent 0.1 part that use; Then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
1 part, glass fibre, brucite fiber 2 parts, polyethylene terephthalate 2 parts, acroleic acid resin 1 part, granular polystyrene 2 parts and lead nitrate 1 part are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
Embodiment 2
A preparation method for nylon/graphene composite material, comprises the following steps:
Nylon resin 85 parts (is comprised PA66:40 part, PA12:30 part and PA610:15 part) and graphene powder 30 parts of ground and mixed, add by the modified Teflon 18 parts of ceramic fiber modification, epoxy resin 5 parts, silane coupling agent (A-172) 7 parts and auxiliary agent 1 part again, mix in a mixer, wherein, auxiliary agent comprises the conventional antioxidant 0.4 part, dispersion agent 0.4 part and the high temperature resistant auxiliary agent 0.2 part that use; Then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
6 parts, glass fibre, brucite fiber 10 parts, polyethylene terephthalate 5 parts, acroleic acid resin 3 parts, granular polystyrene 6 parts and lead nitrate 8 parts are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
Embodiment 3
A preparation method for nylon/graphene composite material, comprises the following steps:
By nylon resin 65 parts (PA12:45 part and PA610:20 part) and graphene powder 20 parts of ground and mixed, add by the modified Teflon 11 parts of ceramic fiber modification, epoxy resin 3 parts, silane coupling agent (A-171) 4 parts and auxiliary agent 0.7 part again, mix in a mixer, wherein, auxiliary agent comprises the conventional antioxidant 0.3 part, dispersion agent 0.2 part and the high temperature resistant auxiliary agent 0.2 part that use; Then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
3 parts, glass fibre, brucite fiber 6 parts, polyethylene terephthalate 3 parts, acroleic acid resin 2 parts, granular polystyrene 4 parts and lead nitrate 5 parts are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
Embodiment 4
A preparation method for nylon/graphene composite material, comprises the following steps:
By nylon resin 65 parts (PA66:45 part and PA610:20 part) and graphene powder 18 parts of ground and mixed, add by the modified Teflon 10 parts of ceramic fiber modification, epoxy resin 5 parts, silane coupling agent (KH550) 6 parts and auxiliary agent 1 part again, wherein, auxiliary agent comprises the conventional antioxidant 0.5 part, dispersion agent 0.3 part and the high temperature resistant auxiliary agent 0.2 part that use, mix in a mixer, then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
2 parts, glass fibre, brucite fiber 6 parts, polyethylene terephthalate 4 parts, acroleic acid resin 2 parts, granular polystyrene 3 parts and lead nitrate 3 parts are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
Embodiment 5
A preparation method for nylon/graphene composite material, comprises the following steps:
By nylon resin 78 parts (PA66:78 part) and graphene powder 25 parts of ground and mixed, add by the modified Teflon 13 parts of ceramic fiber modification, epoxy resin 5 parts, silane coupling agent (KH550) 5 parts and auxiliary agent 1 part again, mix in a mixer, wherein, auxiliary agent comprises the conventional antioxidant 0.5 part, dispersion agent 0.3 part and the high temperature resistant auxiliary agent 0.2 part that use; Then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
6 parts, glass fibre, brucite fiber 5 parts, polyethylene terephthalate 5 parts, acroleic acid resin 3 parts, granular polystyrene 6 parts and lead nitrate 8 parts are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
Comparative example 1
On the basis of embodiment 4, remove graphene powder, keep other reaction conditions constant.Embodiment is as follows:
A preparation method for nylon composite materials, comprises the following steps:
By nylon resin 65 parts (PA66:45 part and PA610:20 part), by the modified Teflon 10 parts of ceramic fiber modification, epoxy resin 5 parts, silane coupling agent (KH550) 6 parts and auxiliary agent 1 part, mix in a mixer, wherein, auxiliary agent comprises the conventional antioxidant 0.5 part, dispersion agent 0.3 part and the high temperature resistant auxiliary agent 0.2 part that use; Then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
2 parts, glass fibre, brucite fiber 6 parts, polyethylene terephthalate 4 parts, acroleic acid resin 2 parts, granular polystyrene 3 parts and lead nitrate 3 parts are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
Following table is the test result of above each embodiment:
As seen from the above table, compare ratio 1, the thermal conductivity of the nylon/graphene composite material prepared by embodiment 1 to 5 is very significantly improved really, and the thermal conductivity of the nylon prepared dragon/graphene composite material is 2.23 ~ 5.47W/ (mk), all be greater than 1W/ (mk), the practical application of nylon/graphene composite material can be expanded.
The above is only some embodiments of the present invention; it should be pointed out that for those skilled in the art, do not departing under the original prerequisite of invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. nylon/graphene composite material, is characterized in that, comprises the component of following composition weight number:
Nylon resin 50-85 part, graphene powder 10-30 part, modified Teflon 5-18 part, glass fibre 1-6 part, brucite fiber 2-10 part, polyethylene terephthalate 2-5 part, epoxy resin 1-5 part, acroleic acid resin 1-3 part, granular polystyrene 2-6 part, lead nitrate 1-8 part, silane coupling agent 3-7 part and auxiliary agent 0.5-1 part.
2. a kind of nylon/graphene composite material according to claim 1, is characterized in that, comprises the component of following composition weight number:
Nylon resin 63-78 part, graphene powder 15-25 part, modified Teflon 8-13 part, glass fibre 3-6 part, brucite fiber 5-10 part, polyethylene terephthalate 3-5 part, epoxy resin 2-5 part, acroleic acid resin 1-3 part, granular polystyrene 2-6 part, lead nitrate 2-8 part, silane coupling agent 5-7 part and auxiliary agent 0.5-1 part.
3. a kind of nylon/graphene composite material according to claim 1, is characterized in that, comprises the component of following composition weight number:
Nylon resin 65 parts, graphene powder 18 parts, modified Teflon 10 parts, 2 parts, glass fibre, brucite fiber 6 parts, polyethylene terephthalate 4 parts, epoxy resin 5 parts, acroleic acid resin 2 parts, granular polystyrene 3 parts, lead nitrate 3 parts, silane coupling agent 6 parts and auxiliary agent 1 part.
4. a kind of nylon/graphene composite material according to claim 1, is characterized in that, described nylon resin is at least one in PA66, PA12 and PA610.
5. a kind of nylon/graphene composite material according to claim 1, is characterized in that, described modified Teflon is by ceramic fiber modification.
6. a kind of nylon/graphene composite material according to claim 1, is characterized in that, described auxiliary agent comprises antioxidant, dispersion agent and high temperature resistant auxiliary agent.
7. a kind of nylon/graphene composite material according to claim 1, is characterized in that: described silane coupling agent is at least one of A-171, A-172 and KH550.
8. the preparation method of a kind of nylon/graphene composite material described in any one of claim 1 ~ 7, is characterized in that, comprise the following steps:
By nylon resin and the first ground and mixed by a certain percentage of graphene powder, add a certain proportion of modified Teflon, epoxy resin, silane coupling agent and auxiliary agent again to mix in a mixer, then be placed in baking oven in 60 DEG C of dry 8h, obtain mixture A;
A certain proportion of glass fibre, brucite fiber, polyethylene terephthalate, acroleic acid resin, granular polystyrene and lead nitrate are mixed in a mixer, mixture A is placed in baking oven in 60 DEG C of dry 8h, obtains mixture B;
Mixture A is placed in twin screw extruder charging opening, then mixture B is placed in charge of intermediation mouth, the temperature controlling forcing machine four districts is 200 DEG C ~ 250 DEG C, and through melt extruding, cooling granulation, obtains nylon/graphene composite material.
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Cited By (6)
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| CN105778481A (en) * | 2016-05-12 | 2016-07-20 | 湖北运来塑胶科技有限公司 | Graphene/glass fibre reinforced nylon composite material and preparation method thereof |
| CN105820496A (en) * | 2016-05-12 | 2016-08-03 | 湖北运来塑胶科技有限公司 | Graphene/ glass fiber reinforced ABS composite and preparation method thereof |
| CN107868455A (en) * | 2016-09-28 | 2018-04-03 | 河南智联寰宇知识产权运营有限公司 | High temperature resistant nylon graphene composite functional material and preparation method thereof |
| CN107868454A (en) * | 2016-09-28 | 2018-04-03 | 河南智联寰宇知识产权运营有限公司 | Wear-resistant, high-temperature resistant nylon composite functional material and preparation method thereof |
| CN107868444A (en) * | 2016-09-28 | 2018-04-03 | 河南智联寰宇知识产权运营有限公司 | Wear-resistant, high-temperature resistant nylon composite materials and preparation method thereof |
| CN108250730A (en) * | 2016-12-29 | 2018-07-06 | 河南智联寰宇知识产权运营有限公司 | Heat resistant and wear resistant conveyer belt |
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| CN108250730A (en) * | 2016-12-29 | 2018-07-06 | 河南智联寰宇知识产权运营有限公司 | Heat resistant and wear resistant conveyer belt |
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Application publication date: 20151118 |