CN109942935A - Graphene-based conductive, the graphene-based power regulation particle of one kind and preparation method - Google Patents
Graphene-based conductive, the graphene-based power regulation particle of one kind and preparation method Download PDFInfo
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- CN109942935A CN109942935A CN201910171100.3A CN201910171100A CN109942935A CN 109942935 A CN109942935 A CN 109942935A CN 201910171100 A CN201910171100 A CN 201910171100A CN 109942935 A CN109942935 A CN 109942935A
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Abstract
The invention discloses a kind of graphene-based conductive, graphene-based power regulation particle, the formula of raw material by weight is as follows: its formula of graphene-based conducting particles raw material by weight is as follows: 60-80 parts of resin, 3-10 parts of graphene, 8-15 parts of conductive black, 1-3 parts of coupling agent, 1-3 parts of surfactant, 1-3 parts of dispersing agent, 0.1-0.5 parts of antioxidant, 1-3 parts of infrared reinforcing agent；The formula of graphene-based power regulation particle raw material by weight is as follows: 30-50 parts of resin, 5-15 parts of graphene, 10-20 parts of conductive black, 6-8 parts of infrared reinforcing agent.The present invention is raw material by resin and graphene, and it is properly added infrared reinforcing agent, enable to the product heating power for adding particle of the present invention big, and can add power regulation particle according to demand makes the product resistance moderate, is primarily adapted for use in the products such as Electric radiant Heating Film, electric heating cloth, electromagnetic shielding film.
Description
Technical field
The present invention relates to graphene electrothermal film production technical fields, more particularly to a kind of graphene-based conductive, graphene
Base power regulation particle.
Background technique
Conductive plastics is mainly combined by matrix and conductive filler of plastics, and filler is mainly with metallic fiber, metal
Based on powder, and these fillers need higher additive amount that could generate excellent electric conductivity, substantially increase cost of material, when
Plastics substantially original mechanical property is affected when additive amount is higher, so that plastics mechanical property is declined to a great extent, filler dispersion effect
It is bad, and service life is short, it is often more important that heat-emitting products are used for, electric conversion efficiency to be low, and service life is short, and graphene
It is to be currently known one kind most thin in material, is one of highest material of known strength, while there is good toughness, and can be with
Bending also has extraordinary heating conduction, is the highest carbon material of electrical conductivity so far, for this purpose, we have proposed one
Graphene-based conductive, the graphene-based power regulation particle of kind.
Summary of the invention
The invention proposes a kind of graphene-based conductive, graphene-based power regulation particles, to solve above-mentioned background technique
The problem of middle proposition.
The invention proposes a kind of graphene-based conductive, graphene-based power regulation particle, graphene-based conducting particles
The formula of raw material by weight is as follows: 60-80 parts of resin, 3-10 parts of graphene, 8-15 parts of conductive black, 1-3 parts of coupling agent, surface
1-3 parts of activating agent, 1-3 parts of dispersing agent, 0.1-0.5 parts of antioxidant, 1-3 parts of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 30-50 parts of resin, is led at 5-15 parts of graphene
Electric carbon black 10-20 parts, 6-8 parts of infrared reinforcing agent.
Preferably, the formula of graphene-based conducting particles raw material by weight is as follows: 65-75 parts of resin, graphene 5-9
Part, 9-13 parts of conductive black, 1.5-2.5 parts of coupling agent, 1.5-2.5 parts of surfactant, 1.5-2.5 parts of dispersing agent, antioxidant
0.2-0.4 parts, 1.5-2.5 parts of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 35-45 parts of resin, is led at 8-13 parts of graphene
Electric carbon black 12-18 parts, 6.5-7.5 parts of infrared reinforcing agent.
Preferably, the optimization formula of graphene-based conducting particles raw material by weight is as follows: 70 parts of resin, 7 parts of graphene,
11 parts of conductive black, 2 parts of coupling agent, 2 parts of surfactant, 2 parts of dispersing agent, 0.3 part of antioxidant, 2 parts of infrared reinforcing agent；
The optimization formula of graphene-based power regulation particle raw material by weight is as follows: 40 parts of resin, 10 parts of graphene, conduction
15 parts of carbon black, 7 parts of infrared reinforcing agent.
Preferably, the resin is one or more of mixture in LDPE, TPU, EVA
Preferably, graphene is one of single-layer or multi-layer graphene.
Preferably, coupling agent is γ-methacryloxypropyl trimethoxy silane.
Preferably, surfactant is dodecyl sodium sulfate, any one in lauryl sodium sulfate.
Preferably, dispersing agent is PE low-molecular-weight wax；Antioxidant is antioxidant 1010, in irgasfos 168, antioxidant 330
Any one, furthermore infrared reinforcing agent is one of germanite powder, tourmaline powder, six ring stones, nano inorganic far-infrared powder or several
Kind.
The present invention also provides a kind of preparation processes of graphene-based conducting particles, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion；
Step 2: again by graphene, conductive black, coupling agent, surfactant, dispersing agent, antioxidant, infrared reinforcing agent
It weighs in proportion respectively, timing agitation mixing split batch charging, using sieve；
Step 3: twice dispersing after preceding two gained raw material is mixed, it is close to be added mixer progress for scattered raw material
Refining；
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion；
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing；
Step 6: pellet is weighed, it is packed and stored.
The present invention also provides a kind of preparation processes of graphene-based power regulation particle, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion；
Step 2: graphene, conductive black, infrared reinforcing agent are weighed in proportion respectively again, timing agitation mixing dispersion
Ingredient；
Step 3: using sieve, it is close mixer progress to be added in scattered raw material by twice dispersing after mixing with resin
Refining；
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion；
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing；
Step 6: pellet is weighed, it is packed and stored.
Compared with prior art, the advantageous effect of present invention is that: the present invention is raw material by resin and graphene,
And it is properly added infrared reinforcing agent, enable to the product heating power for adding particle of the present invention big, and can add according to demand
Add power regulation particle to make the product resistance moderate, is suitable for Electric radiant Heating Film, electric heating cloth, electric hot plate and produces, the Electric radiant Heating Film of output,
Electric heating cloth, electric hot plate resistance are moderate, far infrared also with higher, emit main wave band and are located at 2-15 microns, with more suitable
In the 8-12 micron far infrared of human body, additionally it is possible to effectively enhance the electric conductivity of the product, to guarantee the use longevity of product
Life.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
Embodiment 1
The invention proposes a kind of graphene-based conductive, graphene-based power regulation particle, graphene-based conducting particles
The formula of raw material by weight is as follows: 60 parts of resin, 3 parts of graphene, 8 parts of conductive black, 1 part of coupling agent, 1 part of surfactant,
1 part of dispersing agent, 0.1 part of antioxidant, 1 part of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 30 parts of resin, 5 parts of graphene, conductive black
10 parts, 6 parts of infrared reinforcing agent.
The resin is one or more of mixtures in LDPE, TPU, EVA；Graphene is in single-layer or multi-layer graphene
It is a kind of；Coupling agent is γ-methacryloxypropyl trimethoxy silane；Surfactant is dodecyl sodium sulfate, ten
Any one in sodium dialkyl sulfate；Dispersing agent is PE low-molecular-weight wax；Antioxidant is antioxidant 1010, irgasfos 168, antioxygen
Any one in agent 330；Infrared reinforcing agent is one of germanite powder, tourmaline powder, six ring stones, nano inorganic far-infrared powder
Or it is several.
The present invention also provides a kind of preparation processes of graphene-based conducting particles, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: again by graphene, conductive black, coupling agent, surfactant, dispersing agent, antioxidant, infrared reinforcing agent
It weighs in proportion respectively, timing agitation mixing split batch charging, using sieve.
Step 3: twice dispersing after preceding two gained raw material is mixed, it is close to be added mixer progress for scattered raw material
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
The present invention also provides a kind of preparation processes of graphene-based power regulation particle, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: graphene, conductive black, infrared reinforcing agent are weighed in proportion respectively again, timing agitation mixing dispersion
Ingredient.
Step 3: using sieve, it is close mixer progress to be added in scattered raw material by twice dispersing after mixing with resin
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
Embodiment 2
The invention proposes a kind of graphene-based conductive, graphene-based power regulation particle, graphene-based conducting particles
The formula of raw material by weight is as follows: 65 parts of resin, 5 parts of graphene, 9 parts of conductive black, 1.5 parts of coupling agent, surfactant 1.5
Part, 1.5 parts of dispersing agent, 0.2 part of antioxidant, 1.5 parts of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 35 parts of resin, 8 parts of graphene, conductive black
12 parts, 6.5 parts of infrared reinforcing agent.
The resin is one or more of mixtures in LDPE, TPU, EVA；Graphene is in single-layer or multi-layer graphene
It is a kind of；Coupling agent is γ-methacryloxypropyl trimethoxy silane；Surfactant is dodecyl sodium sulfate, ten
Any one in sodium dialkyl sulfate；Dispersing agent is PE low-molecular-weight wax；Antioxidant is antioxidant 1010, irgasfos 168, antioxygen
Any one in agent 330；Infrared reinforcing agent is one of germanite powder, tourmaline powder, six ring stones, nano inorganic far-infrared powder
Or it is several.
The present invention also provides a kind of preparation processes of graphene-based conducting particles, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: again by graphene, conductive black, coupling agent, surfactant, dispersing agent, antioxidant, infrared reinforcing agent
It weighs in proportion respectively, timing agitation mixing split batch charging, using sieve.
Step 3: twice dispersing after preceding two gained raw material is mixed, it is close to be added mixer progress for scattered raw material
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
The present invention also provides a kind of preparation processes of graphene-based power regulation particle, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: graphene, conductive black, infrared reinforcing agent are weighed in proportion respectively again, timing agitation mixing dispersion
Ingredient.
Step 3: using sieve, it is close mixer progress to be added in scattered raw material by twice dispersing after mixing with resin
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
Embodiment 3
The invention proposes a kind of graphene-based conductive, graphene-based power regulation particle, graphene-based conducting particles
The formula of raw material by weight is as follows: 70 parts of resin, 7 parts of graphene, 11 parts of conductive black, 2 parts of coupling agent, 2 parts of surfactant,
2 parts of dispersing agent, 0.3 part of antioxidant, 2 parts of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 40 parts of resin, 10 parts of graphene, conductive black
15 parts, 7 parts of infrared reinforcing agent.
The resin is one or more of mixtures in LDPE, TPU, EVA；Graphene is in single-layer or multi-layer graphene
It is a kind of；Coupling agent is γ-methacryloxypropyl trimethoxy silane；Surfactant is dodecyl sodium sulfate, ten
Any one in sodium dialkyl sulfate；Dispersing agent is PE low-molecular-weight wax；Antioxidant is antioxidant 1010, irgasfos 168, antioxygen
Any one in agent 330；Infrared reinforcing agent is one of germanite powder, tourmaline powder, six ring stones, nano inorganic far-infrared powder
Or it is several.
The present invention also provides a kind of preparation processes of graphene-based conducting particles, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: again by graphene, conductive black, coupling agent, surfactant, dispersing agent, antioxidant, infrared reinforcing agent
It weighs in proportion respectively, timing agitation mixing split batch charging, using sieve.
Step 3: twice dispersing after preceding two gained raw material is mixed, it is close to be added mixer progress for scattered raw material
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
The present invention also provides a kind of preparation processes of graphene-based power regulation particle, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: graphene, conductive black, infrared reinforcing agent are weighed in proportion respectively again, timing agitation mixing dispersion
Ingredient.
Step 3: using sieve, it is close mixer progress to be added in scattered raw material by twice dispersing after mixing with resin
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
Embodiment 4
The invention proposes a kind of graphene-based conductive, graphene-based power regulation particle, graphene-based conducting particles
The formula of raw material by weight is as follows: 75 parts of resin, 9 parts of graphene, 13 parts of conductive black, 2.5 parts of coupling agent, surfactant
2.5 parts, 2.5 parts of dispersing agent, 0.4 part of antioxidant, 2.5 parts of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 45 parts of resin, 13 parts of graphene, conductive black
18 parts, 7.5 parts of infrared reinforcing agent.
The resin is one or more of mixtures in LDPE, TPU, EVA；Graphene is in single-layer or multi-layer graphene
It is a kind of；Coupling agent is γ-methacryloxypropyl trimethoxy silane；Surfactant is dodecyl sodium sulfate, ten
Any one in sodium dialkyl sulfate；Dispersing agent is PE low-molecular-weight wax；Antioxidant is antioxidant 1010, irgasfos 168, antioxygen
Any one in agent 330；Infrared reinforcing agent is one of germanite powder, tourmaline powder, six ring stones, nano inorganic far-infrared powder
Or it is several.
The present invention also provides a kind of preparation processes of graphene-based conducting particles, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: again by graphene, conductive black, coupling agent, surfactant, dispersing agent, antioxidant, infrared reinforcing agent
It weighs in proportion respectively, timing agitation mixing split batch charging, using sieve.
Step 3: twice dispersing after preceding two gained raw material is mixed, it is close to be added mixer progress for scattered raw material
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
The present invention also provides a kind of preparation processes of graphene-based power regulation particle, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: graphene, conductive black, infrared reinforcing agent are weighed in proportion respectively again, timing agitation mixing dispersion
Ingredient.
Step 3: using sieve, it is close mixer progress to be added in scattered raw material by twice dispersing after mixing with resin
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
Embodiment 5
The invention proposes a kind of graphene-based conductive, graphene-based power regulation particle, graphene-based conducting particles
The formula of raw material by weight is as follows: 80 parts of resin, 10 parts of graphene, 15 parts of conductive black, 3 parts of coupling agent, surfactant 3
Part, 3 parts of dispersing agent, 0.5 part of antioxidant, 3 parts of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 30-50 parts of resin, is led at 5-15 parts of graphene
Electric carbon black 10-20 parts, 6-8 parts of infrared reinforcing agent.
The resin is one or more of mixtures in LDPE, TPU, EVA；Graphene is in single-layer or multi-layer graphene
It is a kind of；Coupling agent is γ-methacryloxypropyl trimethoxy silane；Surfactant is dodecyl sodium sulfate, ten
Any one in sodium dialkyl sulfate；Dispersing agent is PE low-molecular-weight wax；Antioxidant is antioxidant 1010, irgasfos 168, antioxygen
Any one in agent 330；Infrared reinforcing agent is one of germanite powder, tourmaline powder, six ring stones, nano inorganic far-infrared powder
Or it is several.
The present invention also provides a kind of preparation processes of graphene-based conducting particles, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: again by graphene, conductive black, coupling agent, surfactant, dispersing agent, antioxidant, infrared reinforcing agent
It weighs in proportion respectively, timing agitation mixing split batch charging, using sieve.
Step 3: twice dispersing after preceding two gained raw material is mixed, it is close to be added mixer progress for scattered raw material
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
The present invention also provides a kind of preparation processes of graphene-based power regulation particle, and specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion.
Step 2: graphene, conductive black, infrared reinforcing agent are weighed in proportion respectively again, timing agitation mixing dispersion
Ingredient.
Step 3: using sieve, it is close mixer progress to be added in scattered raw material by twice dispersing after mixing with resin
Refining.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion.
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing.
Step 6: pellet is weighed, it is packed and stored.
In summary, the present invention is by addition graphene, and graphene is that known strength is most thin, most hard nano material,
With extraordinary heat-conductive characteristic.Thermal coefficient is up to 5300W/mK, is the highest carbon material of thermal coefficient so far, high
In single-walled carbon nanotube (3500W/mK) and multi-walled carbon nanotube (3000W/mK).When it is as carrier, thermal coefficient can also
Up to 600W/mK, and resistivity ratio copper or silver are lower, for the smallest material of resistivity in the world, by its with plastics are compound is prepared into
Graphene/conducting polymer plastics, one of undoubtedly best conductive filler.Power regulation particle in through the invention, also
Can be according to actual production process requirements, power and resistance value needed for adjusting product are corresponding according to output needed for market and enterprise
Product, flexibility are high.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of graphene-based conductive, graphene-based power regulation particle, which is characterized in that its graphene-based conducting particles raw material
Formula by weight is as follows: 60-80 parts of resin, 3-10 parts of graphene, 8-15 parts of conductive black, 1-3 parts of coupling agent, surface-active
1-3 parts of agent, 1-3 parts of dispersing agent, 0.1-0.5 parts of antioxidant, 1-3 parts of infrared reinforcing agent；
The formula of graphene-based power regulation particle raw material by weight is as follows: 30-50 parts of resin, 5-15 parts of graphene, conductive charcoal
It is 10-20 parts black, 6-8 parts of infrared reinforcing agent.
2. graphene-based conductive, graphene-based power regulation particle according to claim 1, which is characterized in that its graphite
The formula of alkenyl conducting particles raw material by weight is as follows: 65-75 parts of resin, 5-9 parts of graphene, 9-13 parts of conductive black, coupling
1.5-2.5 parts of agent, 1.5-2.5 parts of surfactant, 1.5-2.5 parts of dispersing agent, 0.2-0.4 parts of antioxidant, infrared reinforcing agent
1.5-2.5 part；
The formula of graphene-based power regulation particle raw material by weight is as follows: 35-45 parts of resin, 8-13 parts of graphene, conductive charcoal
It is 12-18 parts black, 6.5-7.5 parts of infrared reinforcing agent.
3. graphene-based conductive, graphene-based power regulation particle according to claim 2, which is characterized in that its graphite
The optimization formula of alkenyl conducting particles raw material by weight is as follows: 70 parts of resin, 7 parts of graphene, 11 parts of conductive black, coupling agent 2
Part, 2 parts of surfactant, 2 parts of dispersing agent, 0.3 part of antioxidant, 2 parts of infrared reinforcing agent；
The optimization formula of graphene-based power regulation particle raw material by weight is as follows: 40 parts of resin, 10 parts of graphene, conductive black
15 parts, 7 parts of infrared reinforcing agent.
4. graphene-based conductive, graphene-based power regulation particle according to claim 1, which is characterized in that the tree
Rouge is one or more of mixtures in LDPE, TPU, EVA.
5. graphene-based conductive, graphene-based power regulation particle according to claim 1, which is characterized in that graphene
For one of single-layer or multi-layer graphene.
6. graphene-based conductive, graphene-based power regulation particle according to claim 1, which is characterized in that coupling agent
For γ-methacryloxypropyl trimethoxy silane.
7. graphene-based conductive, graphene-based power regulation particle according to claim 1, which is characterized in that surface is living
Property agent be dodecyl sodium sulfate, any one in lauryl sodium sulfate.
8. graphene-based conductive, graphene-based power regulation particle according to claim 1, which is characterized in that dispersing agent
For PE low-molecular-weight wax；Antioxidant is antioxidant 1010, irgasfos 168, any one in antioxidant 330, furthermore infrared enhancing
Agent is one or more of germanite powder, tourmaline powder, six ring stones, nano inorganic far-infrared powder.
9. the preparation process of graphene-based conducting particles described in -8 according to claim 1, which is characterized in that specific preparation step
It is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion；
Step 2: graphene, conductive black, coupling agent, surfactant, dispersing agent, antioxidant, infrared reinforcing agent are distinguished again
It weighs in proportion, timing agitation mixing split batch charging, using sieve；
Step 3: twice dispersing after preceding two gained raw material is mixed, is added mixer for scattered raw material and carries out mixing.
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion；
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing；
Step 6: pellet is weighed, it is packed and stored.
10. the preparation process of graphene-based power regulation particle described in -8 according to claim 1, specific preparation process is as follows:
Step 1: LDPE, TPU, EVA is one such or a variety of weigh in proportion；
Step 2: graphene, conductive black, infrared reinforcing agent are weighed in proportion respectively again, timing agitation mixing split batch charging；
Step 3: using sieve, scattered raw material is added mixer and carries out mixing by twice dispersing after mixing with resin；
Step 4: mixing completes that raw material is promoted to extruder by elevator, it is air-cooled again into pelletizer after extrusion；
Step 5: being screened again into automatic screening machine, further cool down, it is cooling thoroughly rear between storing；
Step 6: pellet is weighed, it is packed and stored.
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| CN110698840A (en) * | 2019-08-22 | 2020-01-17 | 金群英 | TPU polyester health-care composite film and production method thereof |
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| WO2016168294A1 (en) * | 2015-04-13 | 2016-10-20 | Api Intellectual Property Holdings, Llc | Methods and additives for improving melt strength in polymer film processing and blow molding |
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