CN104559150A - Antistatic caprolactam heat-conducting material and preparation method thereof - Google Patents
Antistatic caprolactam heat-conducting material and preparation method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
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- C08K2201/003—Additives being defined by their diameter
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- 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
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Abstract
The invention discloses an antistatic caprolactam heat-conducting material. The antistatic caprolactam heat-conducting material is prepared from the following components in parts by weight: 30-65 parts of polycaprolactam, 35-65 parts of high-thermal-conductivity filler, 0.1-10 parts of an antistatic agent, 0.1-10 parts of a flexibilizer, 0.5-5 parts of a coupling agent, 0.1-2 parts of an antioxidant and 0.1-8 parts of other auxiliaries. According to the antistatic caprolactam heat-conducting material, the antistatic agent and the high-thermal-conductivity filler in different forms are added to the formula; in the high-temperature processing course, polycaprolactam is impregnated in a flaky graphite material, and graphene nano-lamellae are dispersed in and covered with polycaprolactam; graphene has excellent electrical conductivity, needlelike carbon nanotubes with high thermal conductivity and high electrical conductivity are dispersed and interspersed up and down in nylon to form a lead, and short carbon fibers function as conduction reinforcement ribs and take synergic effect with the high-thermal-conductivity filler to form a thermo-electrical network having the thermal conductivity and the electrical conductivity; as a result, the material has excellent thermal conductivity and electrical conductivity.
Description
Technical field
The present invention relates to a kind of macromolecular material and preparation method thereof, specifically a kind of antistatic hexanolactam thermally conductive material and preparation method thereof, belongs to macromolecular material and preparing technical field thereof.
Background technology
LED, as a kind of green light source, is widely used at present.In LED lamp processing and manufacturing field, if LED shell dispels the heat and badly easily causes the problems such as power supply damage, light decay quickening, reduced lifetime.The heat dispersion of LED lamp heat-dissipating casing material is the most important thing of LED illumination System performance boost all the time.In order to ensure the work-ing life of LED, LED heat dissipation shell heat-conductive composite material requires to have higher thermal conductivity, good mechanical property and processing characteristics.
At present, traditional lamp outer casing heat sink material comprise aluminium, plastics and pottery three kinds, aluminium heat conduction is good, but because of its security of conductive characteristic poor; Plastics light weight, easily machine-shaping, cheap and good insulation preformance, but heat conduction and the coefficient of expansion lower; Pottery has the above two insulation and thermal advantage concurrently, but pottery is frangible, tooling cost is high.It is high that polycaprolactam (PA6 is nylon again) for the preparation of LED shell is that one has physical strength, the engineering plastics polycaprolactam (PA6) of the excellent comprehensive performances such as good toughness, oil resistant, weak acid and alkali resistance.Nylon belongs to isolator, and its surface resistivity is higher than 10
16Ω, antistatic property is poor, in application process, easy stored charge produces electrostatic, the generation of electrostatic brings many troubles, as static discharge, it, by approach harm electronicss such as electric discharge radiation, static induction, electromagnetic induction and Conduction coupling, makes equipment produce various faults, reduction of service life.The thermal conductivity of nylon is generally 0.25W/(mk), which also limits it in the application having heat radiation, heat conduction demand field.
Along with to mould the extensive popularization of Dai Gang in fields such as electronic apparatuss, especially the demand of LED expands rapidly, has had higher requirement to use material, requires that material used possesses certain heat conductivility and antistatic property and higher mechanical strength simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of antistatic hexanolactam thermally conductive material and preparation method thereof.
Technical scheme of the present invention is as follows: a kind of antistatic hexanolactam thermally conductive material, is made up of the component of following composition weight number: polycaprolactam 30 ~ 65 parts, high heat conductive filler 35 ~ 65 parts, 0.1 ~ 10 part, static inhibitor, toughner 0.1 ~ 10 part, coupling agent 0.5 ~ 5 part, 0.1 ~ 2 part, oxidation inhibitor, other auxiliary agent 0.1 ~ 8 part; Prepared by employing following steps:
(1) static inhibitor, high heat conductive filler are put into homogenizer and carried out high-speed mixing, rotating speed 800 ~ 1200 revs/min, obtained mixture A;
(2) prepare water-ethanol solution, in this solution, the mass percent of water is 12 ~ 18%; Coupling agent is dissolved in the water-ethanol solution prepared, is made into coupling agent-water-alcohol solution that coupling agent concentrations is 25 ~ 35 wt%;
(3) adopt spray method, coupling agent-water-alcohol solution is joined in the mixture A of static inhibitor and the high heat conductive filler processed through step (1), while coupling agent-water-alcohol solution spraying is added limit and stirs mixture A;
(4) after completing steps (3), mixture A is continued stirring 10 ~ 20 min, then dry 3 ~ 5 h under 80 ~ 120 DEG C of conditions, load the side feed system of twin screw extruder;
(5) by polycaprolactam forced air drying 3 ~ 6 hours 80 ~ 120 DEG C time, then dried polycaprolactam, oxidation inhibitor, toughner and other processing aids are added in high-speed mixer and mix, obtained mixture B, loads the main feed system of twin screw extruder by mixture B;
(6) by the main feed system of twin screw extruder and side feed system, mixture A and B is joined extruding pelletization in forcing machine, through melting, extrude, granulation, water-cooled, air-dry, pelletizing, drying obtain high-antistatic hexanolactam thermally conductive material;
Wherein, described static inhibitor is carbon nanotube, Graphene, carbon fiber, phosphorus shape graphite, heat conduction carbon dust, the composite carbon composite obtained of expanded graphite; Described high heat conductive filler is talcum powder, ball-aluminium oxide, silicon oxide, zinc oxide, magnesium oxide, calcium oxide, six side's aluminium nitride, cubic boron nitride, one or more in silicon carbide are carried out composite; Described coupling agent is the one in organic complex, silicane, titanate ester, aluminate coupling agent.
Chopped carbon fiber, phosphorus shape graphite 1 ~ 2:1 in mass ratio ~ 3:2 ~ 5:15 ~ 20 of the preferred carbon nanotube of described static inhibitor, Graphene, diameter 6-8um are carried out composite.
Further preferred, described static inhibitor be carbon nanotube, Graphene, diameter 6-8um chopped carbon fiber, 1:1:2:16 is composite by mass percentage for phosphorus shape graphite.
Described high heat conductive filler is preferably hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide 2 ~ 4:1 in mass ratio ~ 2:1 ~ 2:12 ~ 16 and carries out composite.
Preferred further, described high heat conductive filler is that 2:1:1:14 is composite in mass ratio for hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide.
Preferred polycaprolactam is relative viscosity is 2.8(testing standard ASTM 1254403-D3-050), the emboliform polycaprolactam of translucent or opaque oyster white.
Described toughner is preferably ethylene-octene copolymer (POE), ethylene-vinyl acetate copolymer (EVA), maleic anhydride graft POE(POE-g-MAH), be end segment with polystyrene and be one or more in the linear three embedding multipolymers (SEBS) of middle spring block, maleic anhydride-g-SBS (SEBS-g-MAH) with the ethylene-butene copolymer that polyhutadiene hydrogenation obtains.
Preferably, described toughner is the maleic anhydride-g-SBS that maleic anhydride connects that skill rate is 0.8%.
Described coupling agent preferably adopts silane coupling agent 3-glycidyl ether oxygen propyl trimethoxy silicane.
Oxidation inhibitor of the present invention can be one or more in antioxidant 1010, oxidation inhibitor 1098, antioxidant 1076, antioxidant 3114, irgasfos 168, oxidation inhibitor 626, oxidation inhibitor 627A.
Processing aid of the present invention can be UV light absorber, anti-dripping agent, lubricant, releasing agent, fire retardant one or more.
The fabrication process condition of the preferred twin screw extruder of the present invention is as follows: 1. temperature is: 160 ~ 180 DEG C, a district, two 170 ~ 220 DEG C, districts, three 200 ~ 250 DEG C, districts, four 200 ~ 250 DEG C, districts, five 210 ~ 250 DEG C, districts, six 190 ~ 250 DEG C, districts, head 200 ~ 240 DEG C; 2. screw speed is: 250 ~ 400 revs/min; 3. material controlled within 2min in the barrel residence time.
The present invention is as follows relative to the beneficial effect of prior art:
(1) add in formula by the static inhibitor and heat conductive filler such as threadiness, tubulose, phosphorus sheet etc. with different shape, form three dimentional heat conduction conductive network, when there is the confounding effect that forward is worked in coordination with, the enhancement of filling-material structure to the capacity of heat transmission is remarkable;
(2) use of high heat conduction compounded mix can make the heat loss through radiation performance of product be better than aluminium alloy far away, and the acceleration of heat radiation improves the conduction of heat greatly, thus has good heat dispersion;
(3) coupling agent is first utilized to carry out surface treatment to static inhibitor, heat conductive filler, the interface performance of heat conductive filler can be made to improve, the consistency of reinforcing filler and resin matrix and bonding force, improve processing characteristics, and then make the finished product obtain good surface quality and mechanical property;
(4) use high temperature that polycaprolactam can be made to be immersed in phosphorus shape graphite material in the course of processing, the dispersion of graphene nano lamella is wrapped in polycaprolactam, and Graphene has excellent electroconductibility, the high heat conduction High-conductivity carbon nanotube of needle-like disperses up and down to intert to form wire in nylon, chopped carbon fiber plays the effect of conduction stiffening web, mutually work in coordination with high heat conductive filler, form the thermoelectricity network with heat conduction, conductivity, make material have excellent heat conductivity conductivity.
Embodiment
Be described in further details the present invention below by embodiment, these embodiments are only used for the present invention is described, do not limit the scope of the invention.
Embodiment 1 produces 5 kinds of different ingredients products (in table 1 1# ~ 5#) according to the formula in table 1, and compares with the product that the formula (6#) not adding high heat conductive filler is produced.The physical property measurement result of producing the 6 kinds of variant productions obtained according to the formula in table 1 is as shown in table 2.
Table 1 formula for a product table (unit: weight part)
1, formula: polycaprolactam (relative viscosity is 2.8(testing standard ASTM 1254403-D3-050), translucent or opaque oyster white particle shape), high heat conductive filler (hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide in mass ratio 2:1:1:14 is composite, static inhibitor (carbon nanotube, Graphene, the chopped carbon fiber of diameter 6-8um, 1:1:2:16 is composite by mass percentage for phosphorus shape graphite), toughner (maleic anhydride connects the maleic anhydride-g-SBS that skill rate is 0.8%), coupling agent (3-glycidyl ether oxygen propyl trimethoxy silicane oxidation inhibitor), antioxidant 1076, other auxiliary agent (anti-low dose, fire retardant),
2, following steps preparation is adopted:
(1) static inhibitor, high heat conductive filler are put into homogenizer and carried out high-speed mixing, rotating speed 1000 revs/min, obtained mixture A;
(2) prepare water-ethanol solution, in this solution, the mass percent of water is 15%; Coupling agent is dissolved in the water-ethanol solution prepared, is made into coupling agent-water-alcohol solution that coupling agent concentrations is 25 wt%;
(3) adopt spray method, coupling agent-water-alcohol solution is joined in the mixture A of static inhibitor and the high heat conductive filler processed through step (1), while coupling agent-water-alcohol solution spraying is added limit and stirs mixture A;
(4) after completing steps (3), mixture A is continued stirring 20 min, then dry 4 h under 110 DEG C of conditions, load the side feed system of twin screw extruder;
(5) by polycaprolactam forced air drying 4 hours 100 DEG C time, then dried polycaprolactam, oxidation inhibitor, toughner and other processing aids are added in high-speed mixer and mix, obtained mixture B, loads the main feed system of twin screw extruder by mixture B;
(6) by the main feed system of twin screw extruder and side feed system, mixture A and B is joined extruding pelletization in forcing machine, through melting, extrude, granulation, water-cooled, air-dry, pelletizing, drying obtain high-antistatic hexanolactam thermally conductive material.
Table 2 different ingredients product performance detected result
。
Embodiment 2 adopts following formula to prepare thermally conductive material of the present invention: polycaprolactam 56 parts, high heat conductive filler (hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide in mass ratio 4:1:2:12 carries out composite) 55 parts, static inhibitor (carbon nanotube, Graphene, the chopped carbon fiber of diameter 6-8um, phosphorus shape graphite in mass ratio 1:2:2:18 carries out composite) 3 parts, toughner (maleic anhydride-g-SBS) 4 parts, coupling agent (organic complex compound coupling agent) 0.5 part, antioxidant 1010 0.5 part, other auxiliary agent (fire retardant) 7 parts, preparation process is as follows:
(1) static inhibitor, high heat conductive filler are put into homogenizer and carried out high-speed mixing, rotating speed 1200 revs/min, obtained mixture A;
(2) prepare water-ethanol solution, in this solution, the mass percent of water is 16%; Coupling agent is dissolved in the water-ethanol solution prepared, is made into coupling agent-water-alcohol solution that coupling agent concentrations is 25wt%;
(3) adopt spray method, coupling agent-water-alcohol solution is joined in the mixture A of static inhibitor and the high heat conductive filler processed through step (1), while coupling agent-water-alcohol solution spraying is added limit and stirs mixture A;
(4) after completing steps (3), mixture A is continued stirring 10 min, then dry 3 h under 120 DEG C of conditions, load the side feed system of twin screw extruder;
(5) by polycaprolactam forced air drying 6 hours 90 DEG C time, then dried polycaprolactam, oxidation inhibitor, toughner and other processing aids are added in high-speed mixer and mix, obtained mixture B, loads the main feed system of twin screw extruder by mixture B;
(6) by the main feed system of twin screw extruder and side feed system, mixture A and B is joined extruding pelletization in forcing machine, through melting, extrude, granulation, water-cooled, air-dry, pelletizing, drying obtain high-antistatic hexanolactam thermally conductive material.
Embodiment 3 adopts following formula to prepare thermally conductive material of the present invention: polycaprolactam 65 parts, high heat conductive filler (hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide in mass ratio 3:1:1:16 carries out composite) 65 parts, static inhibitor (carbon nanotube, Graphene, the chopped carbon fiber of diameter 6-8um, phosphorus shape graphite in mass ratio 2:3:5:15 carries out composite) 5 parts, toughner (ethylene-octene copolymer (POE) is composite with ethylene-vinyl acetate copolymer (EVA) 1:1) 6 parts, coupling agent (aluminate coupling agent) 2.5 parts, oxidation inhibitor (primary antioxidant 1098, auxiliary antioxidant 1076) 1.5 parts, other auxiliary agent 5 parts, preparation process is as follows:
(1) static inhibitor, high heat conductive filler are put into homogenizer and carried out high-speed mixing, rotating speed 800 revs/min, obtained mixture A;
(2) prepare water-ethanol solution, in this solution, the mass percent of water is 12%; Coupling agent is dissolved in the water-ethanol solution prepared, is made into coupling agent-water-alcohol solution that coupling agent concentrations is 30 wt%;
(3) adopt spray method, coupling agent-water-alcohol solution is joined in the mixture A of static inhibitor and the high heat conductive filler processed through step (1), while coupling agent-water-alcohol solution spraying is added limit and stirs mixture A;
(4) after completing steps (3), mixture A is continued stirring 10 min, then dry 5 h under 80 DEG C of conditions, load the side feed system of twin screw extruder;
(5) by polycaprolactam forced air drying 3 hours 120 DEG C time, then dried polycaprolactam, oxidation inhibitor, toughner and other processing aids are added in high-speed mixer and mix, obtained mixture B, loads the main feed system of twin screw extruder by mixture B;
(6) by the main feed system of twin screw extruder and side feed system, mixture A and B is joined extruding pelletization in forcing machine, through melting, extrude, granulation, water-cooled, air-dry, pelletizing, drying obtain high-antistatic hexanolactam thermally conductive material.
Embodiment 4 adopts following formula to prepare thermally conductive material of the present invention: polycaprolactam 35 parts, high heat conductive filler (hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide in mass ratio 2:2:2:15 carries out composite) 35 parts, static inhibitor (carbon nanotube, Graphene, the chopped carbon fiber of diameter 6-8um, phosphorus shape graphite in mass ratio 1:3:4:17 carries out composite) 9 parts, toughner (SEBS) 3 parts, coupling agent (silane coupling agent) 2.5 parts, antioxidant 3114 2 parts, other auxiliary agent (anti-dripping agent) 4.5 parts, preparation process is as follows:
(1) static inhibitor, high heat conductive filler are put into homogenizer and carried out high-speed mixing, rotating speed 1100 revs/min, obtained mixture A;
(2) prepare water-ethanol solution, in this solution, the mass percent of water is 18%; Coupling agent is dissolved in the water-ethanol solution prepared, is made into coupling agent-water-alcohol solution that coupling agent concentrations is 35 wt%;
(3) adopt spray method, coupling agent-water-alcohol solution is joined in the mixture A of static inhibitor and the high heat conductive filler processed through step (1), while coupling agent-water-alcohol solution spraying is added limit and stirs mixture A;
(4) after completing steps (3), mixture A is continued stirring 15 min, then dry 3 h under 90 DEG C of conditions, load the side feed system of twin screw extruder;
(5) by polycaprolactam 80 DEG C of forced air dryings 6 hours, then dried polycaprolactam, oxidation inhibitor, toughner and other processing aids are added in high-speed mixer and mix, obtained mixture B, loads the main feed system of twin screw extruder by mixture B;
(6) by the main feed system of twin screw extruder and side feed system, mixture A and B is joined extruding pelletization in forcing machine, through melting, extrude, granulation, water-cooled, air-dry, pelletizing, drying obtain high-antistatic hexanolactam thermally conductive material.
The above is preferred embodiment of the present invention, but does not limit protection scope of the present invention with this.
Claims (10)
1. an antistatic hexanolactam thermally conductive material, is characterized in that: be made up of the component of following composition weight number: polycaprolactam 30 ~ 65 parts, high heat conductive filler 35 ~ 65 parts, 0.1 ~ 10 part, static inhibitor, toughner 0.1 ~ 10 part, coupling agent 0.5 ~ 5 part, 0.1 ~ 2 part, oxidation inhibitor, other auxiliary agent 0.1 ~ 8 part; Prepared by employing following steps:
(1) static inhibitor, high heat conductive filler are put into homogenizer and carried out high-speed mixing, rotating speed 800 ~ 1200 revs/min, obtained mixture A;
(2) prepare water-ethanol solution, in this solution, the mass percent of water is 12 ~ 18%; Coupling agent is dissolved in the water-ethanol solution prepared, is made into coupling agent-water-alcohol solution that coupling agent concentrations is 25 ~ 35 wt%;
(3) adopt spray method, coupling agent-water-alcohol solution is joined in the mixture A of static inhibitor and the high heat conductive filler processed through step (1), while coupling agent-water-alcohol solution spraying is added limit and stirs mixture A;
(4) after completing steps (3), mixture A is continued stirring 10 ~ 20 min, then dry 3 ~ 5 h under 80 ~ 120 DEG C of conditions, load the side feed system of twin screw extruder;
(5) by polycaprolactam forced air drying 3 ~ 6 hours 80 ~ 120 DEG C time, then dried polycaprolactam, oxidation inhibitor, toughner and other processing aids are added in high-speed mixer and mix, obtained mixture B, loads the main feed system of twin screw extruder by mixture B;
(6) by the main feed system of twin screw extruder and side feed system, mixture A and B is joined extruding pelletization in forcing machine, through melting, extrude, granulation, water-cooled, air-dry, pelletizing, drying obtain high-antistatic hexanolactam thermally conductive material;
Wherein, described static inhibitor is carbon nanotube, Graphene, carbon fiber, phosphorus shape graphite, heat conduction carbon dust, the composite carbon composite obtained of expanded graphite; Described high heat conductive filler is talcum powder, ball-aluminium oxide, silicon oxide, zinc oxide, magnesium oxide, calcium oxide, six side's aluminium nitride, cubic boron nitride, one or more in silicon carbide are carried out composite; Coupling agent is the one in organic complex, silicane, titanate ester, aluminate coupling agent.
2. antistatic hexanolactam thermally conductive material according to claim 1, is characterized in that: described antistatic for carrying out composite in carbon nanotube, Graphene, chopped carbon fiber, phosphorus shape graphite 1 ~ 2:1 in mass ratio ~ 3:2 ~ 5:15 ~ 20.
3. antistatic hexanolactam thermally conductive material according to claim 1 and 2, is characterized in that: described static inhibitor be carbon nanotube, Graphene, diameter 6-8um chopped carbon fiber, 1:1:2:16 is composite by mass percentage for phosphorus shape graphite.
4. antistatic hexanolactam thermally conductive material according to claim 1, is characterized in that: described high heat conductive filler is that hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide 2 ~ 4:1 in mass ratio ~ 2:1 ~ 2:12 ~ 16 are carried out composite.
5. the antistatic hexanolactam thermally conductive material according to claim 1 or 4, is characterized in that: described high heat conductive filler is that 2:1:1:14 is composite in mass ratio for hexagonal boron nitride, zinc sulphide, silicon oxide, ball-aluminium oxide.
6. antistatic hexanolactam thermally conductive material according to claim 1, is characterized in that: described polycaprolactam is relative viscosity is 2.8, and form is the emboliform polycaprolactam of translucent or opaque oyster white.
7. antistatic hexanolactam thermally conductive material according to claim 1, is characterized in that: described toughner is ethylene-octene copolymer (POE), ethylene-vinyl acetate copolymer (EVA), maleic anhydride graft POE(POE-g-MAH), be end segment with polystyrene and be one or more in the linear three embedding multipolymers (SEBS) of middle spring block, maleic anhydride-g-SBS (SEBS-g-MAH) with the ethylene-butene copolymer that polyhutadiene hydrogenation obtains.
8. the antistatic hexanolactam thermally conductive material according to claim 1 or 7, is characterized in that: described toughner is the maleic anhydride-g-SBS that maleic anhydride connects that skill rate is 0.8%.
9. antistatic hexanolactam thermally conductive material according to claim 1, is characterized in that: described coupling agent is 3-glycidyl ether oxygen propyl trimethoxy silicane.
10. antistatic hexanolactam thermally conductive material according to claim 1, it is characterized in that: the fabrication process condition of the preferred twin screw extruder of described the present invention is as follows: 1. temperature is: 160 ~ 180 DEG C, a district, two 170 ~ 220 DEG C, districts, three 200 ~ 250 DEG C, districts, four 200 ~ 250 DEG C, districts, five 210 ~ 250 DEG C, districts, six 190 ~ 250 DEG C, districts, head 200 ~ 240 DEG C; 2. screw speed is: 250 ~ 400 revs/min; 3. material controlled within 2min in the barrel residence time.
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