CN109942890A - A kind of graphene-based antistatic agent and preparation method thereof with suppression hood - Google Patents
A kind of graphene-based antistatic agent and preparation method thereof with suppression hood Download PDFInfo
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- CN109942890A CN109942890A CN201910190371.3A CN201910190371A CN109942890A CN 109942890 A CN109942890 A CN 109942890A CN 201910190371 A CN201910190371 A CN 201910190371A CN 109942890 A CN109942890 A CN 109942890A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 69
- 239000002216 antistatic agent Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 230000001629 suppression Effects 0.000 title claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- -1 ferrocene class compound Chemical class 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 3
- GPRSOIDYHMXAGW-UHFFFAOYSA-N cyclopenta-1,3-diene cyclopentanecarboxylic acid iron Chemical compound [CH-]1[CH-][CH-][C-]([CH-]1)C(=O)O.[CH-]1C=CC=C1.[Fe] GPRSOIDYHMXAGW-UHFFFAOYSA-N 0.000 claims description 3
- MOUVOWJUMAKBBM-UHFFFAOYSA-N cyclopenta-1,3-diene;2-cyclopenta-1,3-dien-1-ylacetic acid;iron(2+) Chemical compound [Fe+2].C=1C=C[CH-]C=1.OC(=O)CC1=CC=C[CH-]1 MOUVOWJUMAKBBM-UHFFFAOYSA-N 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 2
- MYCZBBOLTYBTCX-UHFFFAOYSA-N cyclopenta-2,4-dien-1-amine;cyclopenta-1,3-diene;iron(2+) Chemical compound [Fe+2].C=1C=C[CH-]C=1.NC1=CC=C[CH-]1 MYCZBBOLTYBTCX-UHFFFAOYSA-N 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- JSYUFSWTKXLWIJ-UHFFFAOYSA-N OC[Fe] Chemical compound OC[Fe] JSYUFSWTKXLWIJ-UHFFFAOYSA-N 0.000 claims 1
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims 1
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003063 flame retardant Substances 0.000 abstract description 12
- 230000005764 inhibitory process Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000004566 building material Substances 0.000 abstract description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 13
- 229920000915 polyvinyl chloride Polymers 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 238000005325 percolation Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241001614291 Anoplistes Species 0.000 description 1
- 241000254173 Coleoptera Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of graphene-based antistatic agents and preparation method thereof with suppression hood, this method is that r-GO and diisocyanate cpd are added in ball mill, it is ground under conditions of logical drying nitrogen, isocyanate-modified graphene is made, add ferrocene class compound, continue to grind under conditions of logical drying nitrogen, the graphene-based antistatic agent with suppression hood is made.The antistatic modified PVC of graphene obtained by the present invention has many advantages, such as that flame-retardant smoke inhibition effect is good, mechanical strength is high, antistatic property is good, has widened PVC material in the application range of the industries such as electronic apparatus, green building material, new-energy automobile, cable.
Description
Technical field
The invention belongs to graphene-based antistatic agent preparation technical fields, and in particular to a kind of graphite with suppression hood
Alkenyl antistatic agent and preparation method thereof.
Background technique
Preparing the common method of antistatic macromolecule material at present is that a certain amount of organic point is added in polymeric substrate
Sub- antistatic agent reduces polymer surfaces resistance and volume resistance, increases electric conductivity, reaches the mesh for preventing accumulation on product
's.However since organic molecule antistatic agent and matrix poor compatibility are easy to migrate, it is easy in high temperature process and use process
Being precipitated from matrix causes material antistatic property not lasting enough.Conventional inorganic antistatic agent such as carbon black, metal powder etc., though
The electric conductivity of anti-static material can be effectively improved, but due to these additives and basis material poor compatibility, in high additive amount
Under the premise of, the mechanical property of basis material preciousness is seriously compromised, its use scope is limited.Therefore, anti-static material is improved
Electric conductivity, develop novel high-performance anti-static material, be current industrial circle facing problem.
Graphene is one of the hot spot of current conducting polymer research field as a kind of emerging nanometer additive.Graphite
Alkene has the characteristics that the excellent properties such as highly conductive, high-modulus, high intensity, bigger serface, and is easy in a polymer matrix
Good conductive network is formed, the conductive filler of great potential is become.When the graphene ratio added in polymeric matrix reaches
To after conductivity percolation threshold values, stable conductive network will be formed, and then the conductivity of composite material can be promoted rapidly.Foreign countries have
Scholar is prepared for graphene/polystyrene (PS) conducing composite material of excellent electric conductivity.Its conductivity percolation threshold values at room temperature
Graphene/PS conducing composite material conductivity of only 0.1% (volume ratio), 1% volume ratio has been up to 0.1S/m, can expire
Requirement of the foot as anti-static composite material conductivity.However, although graphene can the highly effective electrical property for improving polymer
Can, but due to its bad dispersibility, expensive etc., it has also become the bottle that graphene is faced in polymer modification application field
Neck difficult point.Anti-static material is in engineer application, it is desirable that has certain flame retardant property.Polymer/graphene nano composite material
Flame retardant property is studies have shown that by intercalation or removing with the evenly dispersed graphene sheet layer in the polymer of nanoscale in two-dimensional square
To barrier action, effectively completely cut off exchanging for basis material and Mass and heat transfer and the fuel gas in the external world, basis material played
Good protective effect improves Flame Retardancy energy.But graphene is relatively low to the flame-retardant smoke inhibition efficiency of polymer, therefore passes through
Functional modification improves graphene in the dispersibility of matrix, improves anti-while the more preferable flame-retardant smoke inhibition effect of imparting graphene
The mechanical property of electrostatic material, to more preferably meet the actual needs of its engineer application.
Summary of the invention
The invention solves primary technical problem be to provide a kind of graphene-based antistatic agent with suppression hood.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of graphene-based antistatic agent with suppression hood, the graphene-based antistatic agent is graphene oxide
It is made through electronation, ferrocene class compound graft modification.
The preparation method of above-mentioned graphene-based antistatic agent, includes the following steps:
(1) electronation of graphene oxide (GO)
GO is restored, redox graphene r-GO is obtained；It can be such as added in dimethylformamide (DMF)
GO, ultrasound 80 minutes, are added hydrazine hydrate and ammonium hydroxide are transferred to the high pressure containing teflon lined after mixing at room temperature
It in kettle, is sealed in an oven, is heated to 110 DEG C, react 6 hours；It is filtered after reaction, the no water beetle of sediment
Alcohol washs 5 times, and then vacuum drying, obtains product reduced graphene (r-GO)；(2) reduced graphene ferrocene class compound
Graft modification reaction
R-GO and diisocyanate cpd are added in ball mill, under conditions of logical drying nitrogen grinding 30~
100 minutes, isocyanate-modified graphene is made, adds ferrocene class compound, continues under conditions of logical drying nitrogen
The graphene-based antistatic agent with suppression hood is made in grinding 60~120 minutes.
In above scheme, the quality of r-GO described in step (2), diisocyanate cpd and ferrocene class compound
Than for 1:0.05~0.2:0.1~0.4.
Diisocyanate cpd described in step (2) is selected from one of the following: methyl diphenylene diisocyanate, six Asias
Methyl diisocyanate, toluene di-isocyanate(TDI), isophorone diisocyanate.
Ferrocene class compound described in step (2) is selected from one of the following: ferrocenyl acetic acid, ferrocenecarboxylic acid, amino
Ferrocene, methylol ferrocene.
In grinding technics condition described in step (2), 100~600 revs/min of balling drum revolving speed, ball grinder and
The material of mill ball is agate or tungsten carbide, and ball load is 0.2~1.0 kilogram, and being passed through flow rate of nitrogen is 0.1~10 liter/min.
Compared with prior art, the beneficial effects of the present invention are embodied in following several respects:
1, graphene-based antistatic agent produced by the present invention can not only improve high molecular material flame retarding and smoke suppressing properties, and
The mechanical property of high molecular material can be improved.Graphene is chemically modified using surface graft modification etc., by ferrocene class
Compound smoke suppressant is grafted on the surface of graphene, assigns graphene flame-retardant smoke inhibition function.Organising for graphene surface changes simultaneously
Property, increase the compatibility and dispersibility with macromolecule matrix, the interaction at both enhancings interface, by melt-blending process,
Graphene-based antistatic agent is dispersed in polymeric matrix by situ aggregation method etc., improves antistatic macromolecule composite material
Mechanics and electric conductivity；
2, graphene-based antistatic agent produced by the present invention is acted synergistically using graphene and ferrocene condensed phase suppression cigarette,
Graphene-based antistatic agent flame-retardant smoke inhibition effect is substantially increased, while the ferrocene small molecule anchored on the surface of graphene is not allowed
It is easily precipitated in use process, reduces the secondary pollution of smoke suppressant；
3, graphene-based antistatic agent of the present invention uses the preparation method of solvent-free solid-phase ball-milling reaction, not only makes
Standby simple process, and lower production costs, reduce the discharge of energy consumption and pollutant；
4, graphene-based antistatic agent produced by the present invention has the modified functions such as self-reinforcing, flame-retardant smoke inhibition and conduction special
Point, it is modified suitable for the antistatic of all kinds of high molecular materials, flame-retardant smoke inhibition, it widens high molecular material and is built in electronic apparatus, green
The application range of the industries such as material, new-energy automobile, cable.
Specific embodiment
Below the technical scheme of the invention is illustrated by a specific example, but the scope of the present invention is not limited thereto:
Embodiment 1
The preparation of graphene-based antistatic agent:
(1) electronation of graphene oxide (GO)
Ultrasound 80 minutes at room temperature 1g GO are added in 100g DMF, then 1.6mL hydrazine hydrate and the dense ammonia of 7mL is being added
Water (concentration 28%) is transferred to after mixing in the autoclave containing teflon lined, is sealed, is added in an oven
Heat to 110 DEG C react 6 hours；Sediment is washed 5 times with anhydrous methanol, and then vacuum drying, obtains product reduced graphene
(r-GO)。
(2) the compound graft modification of reduced graphene ferrocene class is reacted
1g r-GO and 0.05g methyl diphenylene diisocyanate is added to high-energy planetary formula ball mill (model: F-
P2000, producer: Hunan Fu Kasi laboratory apparatus Co., Ltd) in, 600 revs/min of drum's speed of rotation, in logical dry nitrogen air-flow
Rate is ground 30 minutes under conditions of being 10 liters/min, and isocyanate-modified graphene is made, adds 0.1g ferrocenyl acetic acid,
Continue grinding 60 minutes under conditions of logical drying nitrogen flow rate is 10 liters/min, it is graphene-based that target product is made after separation
Antistatic agent.
Embodiment 2
The preparation manipulation of reduced graphene (r-GO) is the same as step (1) in embodiment 1.1g r-GO and 0.2g toluene two is different
Cyanate is added in high-energy planetary formula ball mill, 100 revs/min of drum's speed of rotation, logical drying nitrogen flow rate be 0.1 liter/
It is ground 100 minutes under conditions of minute, isocyanate-modified graphene is made, 0.4g Aminoferrocene is added, in logical drying
Flow rate of nitrogen continues grinding 120 minutes under conditions of being 0.1 liter/min, and it is graphene-based antistatic that target product is made after separation
Agent.
Embodiment 3
The preparation manipulation of reduced graphene (r-GO) is the same as step (1) in embodiment 1.By 1g r-GO and 0.1g isophorone
Diisocyanate is added in high-energy planetary formula ball mill, and 300 revs/min of drum's speed of rotation, be 1.5 in logical drying nitrogen flow rate
It is ground 60 minutes under conditions of liter/min, isocyanate-modified graphene is made, adds 0.25g methylol ferrocene, logical
Drying nitrogen flow rate be 1.5 liters/min under conditions of continue grinding 80 minutes, after separation be made target product it is graphene-based resist it is quiet
Electric agent.
Embodiment 4
The preparation manipulation of reduced graphene (r-GO) is the same as step (1) in embodiment 1.By 1g r-GO and 0.15g hexa-methylene
Diisocyanate is added in high-energy planetary formula ball mill, and 250 revs/min of drum's speed of rotation, be 2.8 in logical drying nitrogen flow rate
It is ground 50 minutes under conditions of liter/min, isocyanate-modified graphene is made, adds 0.28g ferrocenecarboxylic acid, logical dry
Dry flow rate of nitrogen be 3.5 liters/min under conditions of continue grinding 100 minutes, after separation be made target product it is graphene-based resist it is quiet
Electric agent.
Embodiment 5: the application of graphene-based antistatic agent
The preparation manipulation of graphene-based antistatic agent is the same as embodiment 4.To 100 parts of polyvinyl chloride (PVC), 50 parts by mass
Phthalate plasticizers (DOP), 1 part of graphene-based antistatic agent, 20 parts of precipitated calcium carbonates, 2 parts of stearic acid, 6 parts of stabilizations
Agent, 2 parts of anti-aging agents are added to stirrer for mixing 30min discharging, extruder are added to, in 160 DEG C~180 DEG C items of processing temperature
Extruded material under part, then under the conditions of 180 DEG C~200 DEG C temperature, pressure are 10Mpa, it is antistatic to be pressed and molded obtained graphene
It is as follows to measure the material properties test result for modified PVC.
Table 1
PVC anti-static composite material formula is 100 parts of PVC, 50 parts of DOP, 1 part of conductive black, 0.5 part of ferrocene, 20 parts
Precipitated calcium carbonate, 2 parts of stearic acid, 6 parts of stabilizers, 2 parts of anti-aging agents, preparation of the preparation process with the antistatic modified PVC of graphene
Method.
From tensile strength as can be seen that compared to the PVC anti-static composite material that conductive black is modified, stone used in the present invention
Mertenyl antistatic agent has better reinforcing effect to PVC；In terms of electric conductivity angle, compared to conventional conductive black, this hair
Bright graphene-based antistatic agent used has better conductive modified effect to PVC, so that more preferably antistatic effect will be obtained,
Under identical additive amount, the sheet resistance of the antistatic modified PVC of graphene low number compared with PVC anti-static composite material
Magnitude；From flame-retardant smoke inhibition as can be seen that comparing single ferrocene, graphene-based antistatic agent used in the present invention has PVC
There is better flame-retardant smoke inhibition effect.The antistatic modified PVC of graphene obtained by the present invention good, mechanics with flame-retardant smoke inhibition effect
The advantages that intensity is high, antistatic property is good, has widened PVC material in electronic apparatus, green building material, new-energy automobile, cable etc.
The application range of industry.
Claims (6)
1. a kind of preparation method of the graphene-based antistatic agent with suppression hood, which comprises the steps of:
(1) electronation of graphene oxide (GO)
GO is restored, redox graphene r-GO is obtained；
(2) the compound graft modification of reduced graphene ferrocene class is reacted
R-GO and diisocyanate cpd are added in ball mill, grind 30~100 points under conditions of logical drying nitrogen
Clock is made isocyanate-modified graphene, adds ferrocene class compound, continues grinding 60 under conditions of logical drying nitrogen
~120 minutes, the graphene-based antistatic agent with suppression hood is made.
2. the preparation method of the graphene-based antistatic agent with suppression hood according to claim 1, which is characterized in that
The mass ratio of r-GO described in step (2), diisocyanate cpd and ferrocene class compound are 1:0.05~0.2:0.1
~0.4.
3. the preparation method of the graphene-based antistatic agent with suppression hood according to claim 1, which is characterized in that
Diisocyanate cpd described in step (2) is selected from one of the following: methyl diphenylene diisocyanate, hexa-methylene two are different
Cyanate, toluene di-isocyanate(TDI), isophorone diisocyanate.
4. the preparation method of the graphene-based antistatic agent with suppression hood according to claim 1, which is characterized in that
The ferrocene class compound is selected from one of the following: ferrocenyl acetic acid, ferrocenecarboxylic acid, Aminoferrocene, two cyclopentadienyl of methylol
Iron.
5. the preparation method of the graphene-based antistatic agent with suppression hood according to claim 1, which is characterized in that
Grinding described in step (2) refers to 100~600 revs/min of balling drum revolving speed, and the material of ball grinder and mill ball is Ma
Nao or tungsten carbide, ball load are 0.2~1.0 kilogram, and being passed through flow rate of nitrogen is 0.1~10 liter/min.
6. a kind of graphene-based antistatic agent with suppression hood, which is characterized in that using such as any one of claim 1-5 institute
The method stated prepares.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613454A (en) * | 2020-05-29 | 2020-09-01 | 华南理工大学 | Graphene/metallocene composite supercapacitor electrode material and preparation method and application thereof |
| CN111996611A (en) * | 2020-09-03 | 2020-11-27 | 涂一淼 | Antistatic agent and preparation method thereof |
| CN115894959A (en) * | 2023-01-03 | 2023-04-04 | 深圳市今朝时代股份有限公司 | Electrode active material for super capacitor and preparation method thereof |
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| CN111613454A (en) * | 2020-05-29 | 2020-09-01 | 华南理工大学 | Graphene/metallocene composite supercapacitor electrode material and preparation method and application thereof |
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| CN111996611A (en) * | 2020-09-03 | 2020-11-27 | 涂一淼 | Antistatic agent and preparation method thereof |
| CN111996611B (en) * | 2020-09-03 | 2022-11-22 | 湖北尚助化学有限公司 | Antistatic agent and preparation method thereof |
| CN115894959A (en) * | 2023-01-03 | 2023-04-04 | 深圳市今朝时代股份有限公司 | Electrode active material for super capacitor and preparation method thereof |
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| CN109942890B (en) | 2021-07-16 |
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