CN108892861A - A kind of conductive plastics and preparation method thereof of high conductivity - Google Patents
A kind of conductive plastics and preparation method thereof of high conductivity Download PDFInfo
- Publication number
- CN108892861A CN108892861A CN201810553766.0A CN201810553766A CN108892861A CN 108892861 A CN108892861 A CN 108892861A CN 201810553766 A CN201810553766 A CN 201810553766A CN 108892861 A CN108892861 A CN 108892861A
- Authority
- CN
- China
- Prior art keywords
- conductive
- parts
- high conductivity
- conductive plastics
- coupling agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K2201/001—Conductive additives
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of conductive plastics and preparation method thereof of high conductivity, the conductive plastics mainly includes following raw material：25-35 parts of matrix resin, 12-18 parts of rubber grain, 7-15 parts of conductive filler, 4-8 parts of conductive fiber, 2-5 parts of impact modifier, 3-7 parts of inorganic filler, 1.3-3.8 parts of plasticizer, 0.3-1.6 parts of coupling agent.Conductive plastics of the invention has excellent electric conductivity and mechanical property, and preparation process is simple, has broad application prospects.
Description
Technical field
The present invention relates to conductive material technical fields, and in particular to a kind of conductive plastics of high conductivity and its preparation side
Method.
Background technique
Conductive plastics on ordinary meaning is to mix high molecular material and conductive materials, with the processing methods of plastics into
The functional macromolecule material of row processing.It is mainly used in the fields such as electronics, integrated circuit packaging, electromagnetic wave shielding.It is in electricity
It can be used for preventing used in the precision electronic elements production process such as integrated circuit, chip, sensor jacket in son, appliance field
Electrostatic turnover box, IC and LCD pallet, IC package, chip carrier, bag film etc..
Conductive plastics can be generally divided into structural conductive plastics and composite conductive plastic in the prior art.It is compound to lead
Electric plastics refer to conductive plastics after physical modification, and conductive energy is stable and preparation process is simply excellent
Point.But finished product conductive plastics has impact strength, tensile strength and extensibility deficiency, while electric conductivity is not
The problem of foot is even more to affect its application and development.
By the retrieval to the prior art, Chinese patent（Publication number CN101671458A）It is high to disclose a kind of super-low resistance
Molecule conductive granule product and preparation method thereof, the super-low resistance high-polymer conductive granule include following by weight percentage
Component：Conductive black 36.00%-48.00%, coupling agent 1.20%-2.20%, POE- ethylene-octene copolymer resin matrix
35.00%-45.00%, lubricating auxiliary agent 1.00%-2.50%, lubricating auxiliary agent 0.80%-2.50%, dispersing agent 4.00%-
10.00%, anti-oxidant auxiliary agent 0.10%-0.12% and powder silica 8.00%-12.00%, wherein the coupling agent
Selected from Aluminate or titanate esters.The invention is mentioned by addition high-performance conductive carbon black and auxiliary agent with special modified manufacturing process
For a kind of conductive polymer product of super-low resistance, disadvantage is that：Processing technology is complicated, and production efficiency is low, product
Impact strength, tensile strength and extensibility are insufficient.
And Chinese patent（Publication number CN1569944A）Disclose a kind of high electricity conductive polymer composite material and its preparation
Method, the product provided are made of high density polyethylene (HDPE) and nano-graphite, it is grouped by the group of following parts by weight percentage
At：High density polyethylene (HDPE) 70-99%, graphite 1.0-30%.Disadvantage is that：Using nano-graphite as conductive filler,
Electric conductivity is not high, and volume resistivity is larger, and production is processed using twin-roll mixing, and technique falls behind, and quality stability is poor, low efficiency.
Based on this, it is necessary to a kind of conductive plastics and preparation method thereof of high conductivity is proposed, to solve in the prior art
There are the problem of.
Summary of the invention
In view of the above-mentioned analysis to the prior art, the present invention provides conductive plastics and its preparation side of a kind of high conductivity
Method has excellent electric conductivity and mechanical property, and preparation process is simple, has broad application prospects.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of conductive plastics of high conductivity, is made of the component of following parts by weight：
25-35 parts of matrix resin；
12-18 parts of rubber grain；
7-15 parts of conductive filler；
4-8 parts of conductive fiber；
2-5 parts of impact modifier；
3-7 parts of inorganic filler；
1.3-3.8 parts of plasticizer；
0.3-1.6 parts of coupling agent.
Preferably, described matrix resin be thermoplastic resin, selected from acrylic resin, polyvinyl resin, polyamide,
One or more of poly (phenylene ether) resin.
Preferably, the conductive fiber is metallic fiber, carbon fiber, copper carbon fiber, copper facing glass fibre and coppered carbon
One of SiClx fiber or any several composition.
Preferably, the rubber grain is EP rubbers, butyl rubber or hydrogenated nitrile-butadiene rubber.
Preferably, the conductive filler is conductive carbon black, carbon nanotube, two or more in superconduction graphite are compound.
Preferably, the impact modifier is selected from styrene-butadiene diblock copolymer, styrene-isoprene block
Copolymer or styrene-（Ethylene/Butylene）One or more of styrene triblock copolymer.
Preferably, the inorganic filler is selected from one or more of silicon carbide, mica powder, wollastonite, kaolin.
Preferably, the plasticizer is selected from one of paraffin oil, triacetin, dioctyl adipate, aromatic naphtha.
Preferably, the coupling agent is titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, siloxanes idol
It is compound to join agent one or more.
The present invention also provides the preparation methods of the conductive plastics of above-mentioned high conductivity, include the following steps：
（1）Each raw material is weighed by predetermined weight；
（2）Matrix resin, rubber grain, conductive filler, impact modifier, inorganic filler, plasticizer, coupling agent are put into together
Dry-mixed 3-5min in super mixer；
（3）By step（2）In the raw material that mixes put into the loading hopper of double screw extruder, conductive fiber is added by side spout
Enter, control puddling speed 500-1000rpm/min, screw speed 200-400rpm/min, 265-290 DEG C of processing temperature, stops
Time 2-3min, pressure 12-18MPa, through melting extrusion at line, cooling, the conduction that then cutting is granulated to get high conductivity
Plastics.
Compared with prior art, the present invention having following beneficial effect：
（1）Conductive plastics of the invention, by using matrix resin as substrate, and using it with preferable mouldability, heat-resisting
Property and mechanical property, conductive filler can be made more preferably more evenly to be dispersed therein, so that it is preferable conductive to guarantee that conductive plastics has
Performance, meanwhile, the rubber grain for having preferable affinity with conductive filler is added, conductive filler can be made to be dispersed in rubber grain,
Thus formation surface is made of resin and rubber, inside is filled with the novel conductive plastics of conductive material, is not only protected in this way
The conduction is demonstrate,proved with preferable electric conductivity, simultaneously, it may have excellent mechanical property can be into addition, conductive fiber is added
Enhance to one step the electric conductivity of the conductive plastics, and the addition of inorganic filler, the mechanics new capability of the conductive plastics can be improved,
Improve the performances such as impact strength, tensile strength, the high temperature resistant of conductive plastics.
（2）Conductive plastics low production cost of the invention makes to be made by improving and optimizating raw materials for production and technique
Conductive plastics finished product physicochemical property it is more superior, reduce high temperature to the shadow of conductive plastic interior macromolecular chain and segment
Ring, make its elasticity modulus is big, deflection is small, external force removal after recover immediately original state；Meanwhile having compared with high impact strength, drawing
Stretch intensity and high temperature resistance and the small feature of resistivity.
（3）The present invention can further improve the impact resistance of the conductive plastics by addition impact modifier；
（4）The addition of coupling agent of the present invention can increase the binding force of conductive filler and matrix resin, rubber grain, to protect
While demonstrate,proving electric conductivity, conductive plastics mechanical property is also ensured；
（5）The plasticizer of addition of the invention can make the plasticizing capacity of conductive plastics be further improved；
（6）The preparation process of conductive plastics of the invention is simple, industrialized production easy to accomplish.
Specific embodiment
Form by the following examples is described in further detail above content of the invention again, but should not be by this
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all technologies based on realization belonging to above content of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
The conductive plastics of the high conductivity of the present embodiment is made of the component of following parts by weight：
25 parts of matrix resin；
12 parts of rubber grain；
7 parts of conductive filler；
4 parts of conductive fiber；
2 parts of impact modifier；
3 parts of inorganic filler；
1.3 parts of plasticizer；
0.3 part of coupling agent.
Wherein, described matrix resin is thermoplastic resin, selected from acrylic resin, polyvinyl resin, polyamide, is gathered
One or more of polyphenylene ether resin.
Wherein, the conductive fiber is metallic fiber, carbon fiber, copper carbon fiber, copper facing glass fibre and copper facing carbonization
One of silica fibre or any several composition.
Wherein, the rubber grain is EP rubbers, butyl rubber or hydrogenated nitrile-butadiene rubber.
Wherein, the conductive filler is conductive carbon black, carbon nanotube, two or more in superconduction graphite are compound.
Wherein, it is total to be selected from styrene-butadiene diblock copolymer, styrene-isoprene block for the impact modifier
Polymers or styrene-（Ethylene/Butylene）One or more of styrene triblock copolymer.
Wherein, the inorganic filler is selected from one or more of silicon carbide, mica powder, wollastonite, kaolin.
Wherein, the plasticizer is selected from one of paraffin oil, triacetin, dioctyl adipate, aromatic naphtha.
Wherein, the coupling agent is titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, siloxanes coupling
Agent one or more are compound.
The present invention also provides the preparation methods of the conductive plastics of above-mentioned high conductivity, include the following steps：
（1）Each raw material is weighed by predetermined weight；
（2）Matrix resin, rubber grain, conductive filler, impact modifier, inorganic filler, plasticizer, coupling agent are put into together
Dry-mixed 3min in super mixer；
（3）By step（2）In the raw material that mixes put into the loading hopper of double screw extruder, conductive fiber is added by side spout
Enter, controls puddling speed 500rpm/min, screw speed 200rpm/min, 265 DEG C of processing temperature, residence time 2min, pressure
For 12MPa, through melting extrusion at line, cooling, the conductive plastics that then cutting is granulated to get high conductivity.
Embodiment 2
The conductive plastics of the high conductivity of the present embodiment is made of the component of following parts by weight：
35 parts of matrix resin；
18 parts of rubber grain；
15 parts of conductive filler；
8 parts of conductive fiber；
5 parts of impact modifier；
7 parts of inorganic filler；
3.8 parts of plasticizer；
1.6 parts of coupling agent.
Wherein, described matrix resin is thermoplastic resin, selected from acrylic resin, polyvinyl resin, polyamide, is gathered
One or more of polyphenylene ether resin.
Wherein, the conductive fiber is metallic fiber, carbon fiber, copper carbon fiber, copper facing glass fibre and copper facing carbonization
One of silica fibre or any several composition.
Wherein, the rubber grain is EP rubbers, butyl rubber or hydrogenated nitrile-butadiene rubber.
Wherein, the conductive filler is conductive carbon black, carbon nanotube, two or more in superconduction graphite are compound.
Wherein, it is total to be selected from styrene-butadiene diblock copolymer, styrene-isoprene block for the impact modifier
Polymers or styrene-（Ethylene/Butylene）One or more of styrene triblock copolymer.
Wherein, the inorganic filler is selected from one or more of silicon carbide, mica powder, wollastonite, kaolin.
Wherein, the plasticizer is selected from one of paraffin oil, triacetin, dioctyl adipate, aromatic naphtha.
Wherein, the coupling agent is titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, siloxanes coupling
Agent one or more are compound.
The present invention also provides the preparation methods of the conductive plastics of above-mentioned high conductivity, include the following steps：
（1）Each raw material is weighed by predetermined weight；
（2）Matrix resin, rubber grain, conductive filler, impact modifier, inorganic filler, plasticizer, coupling agent are put into together
Dry-mixed 5min in super mixer；
（3）By step（2）In the raw material that mixes put into the loading hopper of double screw extruder, conductive fiber is added by side spout
Enter, controls puddling speed 1000rpm/min, screw speed 400rpm/min, 290 DEG C of processing temperature, residence time 3min, pressure
For 18MPa, through melting extrusion at line, cooling, the conductive plastics that then cutting is granulated to get high conductivity.
Embodiment 3
The conductive plastics of the high conductivity of the present embodiment is made of the component of following parts by weight：
30 parts of matrix resin；
15 parts of rubber grain；
11 parts of conductive filler；
6 parts of conductive fiber；
3.5 parts of impact modifier；
5 parts of inorganic filler；
2.5 parts of plasticizer；
1 part of coupling agent.
Wherein, described matrix resin is thermoplastic resin, selected from acrylic resin, polyvinyl resin, polyamide, is gathered
One or more of polyphenylene ether resin.
Wherein, the conductive fiber is metallic fiber, carbon fiber, copper carbon fiber, copper facing glass fibre and copper facing carbonization
One of silica fibre or any several composition.
Wherein, the rubber grain is EP rubbers, butyl rubber or hydrogenated nitrile-butadiene rubber.
Wherein, the conductive filler is conductive carbon black, carbon nanotube, two or more in superconduction graphite are compound.
Wherein, it is total to be selected from styrene-butadiene diblock copolymer, styrene-isoprene block for the impact modifier
Polymers or styrene-（Ethylene/Butylene）One or more of styrene triblock copolymer.
Wherein, the inorganic filler is selected from one or more of silicon carbide, mica powder, wollastonite, kaolin.
Wherein, the plasticizer is selected from one of paraffin oil, triacetin, dioctyl adipate, aromatic naphtha.
Wherein, the coupling agent is titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, siloxanes coupling
Agent one or more are compound.
The present invention also provides the preparation methods of the conductive plastics of above-mentioned high conductivity, include the following steps：
（1）Each raw material is weighed by predetermined weight；
（2）Matrix resin, rubber grain, conductive filler, impact modifier, inorganic filler, plasticizer, coupling agent are put into together
Dry-mixed 4min in super mixer；
（3）By step（2）In the raw material that mixes put into the loading hopper of double screw extruder, conductive fiber is added by side spout
Enter, control puddling speed 750rpm/min, screw speed 300rpm/min, 275 DEG C of processing temperature, residence time 2.5min, pressure
Power is 15MPa, through melting extrusion at line, cooling, the conductive plastics that then cutting is granulated to get high conductivity.
Embodiment 4
The conductive plastics of the high conductivity of the present embodiment is made of the component of following parts by weight：
28 parts of matrix resin；
14 parts of rubber grain；
9 parts of conductive filler；
5 parts of conductive fiber；
3 parts of impact modifier；
4 parts of inorganic filler；
1.7 parts of plasticizer；
0.5 part of coupling agent.
Wherein, described matrix resin is thermoplastic resin, selected from acrylic resin, polyvinyl resin, polyamide, is gathered
One or more of polyphenylene ether resin.
Wherein, the conductive fiber is metallic fiber, carbon fiber, copper carbon fiber, copper facing glass fibre and copper facing carbonization
One of silica fibre or any several composition.
Wherein, the rubber grain is EP rubbers, butyl rubber or hydrogenated nitrile-butadiene rubber.
Wherein, the conductive filler is conductive carbon black, carbon nanotube, two or more in superconduction graphite are compound.
Wherein, it is total to be selected from styrene-butadiene diblock copolymer, styrene-isoprene block for the impact modifier
Polymers or styrene-（Ethylene/Butylene）One or more of styrene triblock copolymer.
Wherein, the inorganic filler is selected from one or more of silicon carbide, mica powder, wollastonite, kaolin.
Wherein, the plasticizer is selected from one of paraffin oil, triacetin, dioctyl adipate, aromatic naphtha.
Wherein, the coupling agent is titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, siloxanes coupling
Agent one or more are compound.
The present invention also provides the preparation methods of the conductive plastics of above-mentioned high conductivity, include the following steps：
（1）Each raw material is weighed by predetermined weight；
（2）Matrix resin, rubber grain, conductive filler, impact modifier, inorganic filler, plasticizer, coupling agent are put into together
Dry-mixed 3-5min in super mixer；
（3）By step（2）In the raw material that mixes put into the loading hopper of double screw extruder, conductive fiber is added by side spout
Enter, control puddling speed 500-1000rpm/min, screw speed 200-400rpm/min, 265-290 DEG C of processing temperature, stops
Time 2-3min, pressure 12-18MPa, through melting extrusion at line, cooling, the conduction that then cutting is granulated to get high conductivity
Plastics.
Embodiment 5
The conductive plastics of the high conductivity of the present embodiment is made of the component of following parts by weight：
32 parts of matrix resin；
16 parts of rubber grain；
13 parts of conductive filler；
7 parts of conductive fiber；
4 parts of impact modifier；
6 parts of inorganic filler；
3.5 parts of plasticizer；
1.4 parts of coupling agent.
Wherein, described matrix resin is thermoplastic resin, selected from acrylic resin, polyvinyl resin, polyamide, is gathered
One or more of polyphenylene ether resin.
Wherein, the conductive fiber is metallic fiber, carbon fiber, copper carbon fiber, copper facing glass fibre and copper facing carbonization
One of silica fibre or any several composition.
Wherein, the rubber grain is EP rubbers, butyl rubber or hydrogenated nitrile-butadiene rubber.
Wherein, the conductive filler is conductive carbon black, carbon nanotube, two or more in superconduction graphite are compound.
Wherein, it is total to be selected from styrene-butadiene diblock copolymer, styrene-isoprene block for the impact modifier
Polymers or styrene-（Ethylene/Butylene）One or more of styrene triblock copolymer.
Wherein, the inorganic filler is selected from one or more of silicon carbide, mica powder, wollastonite, kaolin.
Wherein, the plasticizer is selected from one of paraffin oil, triacetin, dioctyl adipate, aromatic naphtha.
Wherein, the coupling agent is titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, siloxanes coupling
Agent one or more are compound.
The present invention also provides the preparation methods of the conductive plastics of above-mentioned high conductivity, include the following steps：
（1）Each raw material is weighed by predetermined weight；
（2）Matrix resin, rubber grain, conductive filler, impact modifier, inorganic filler, plasticizer, coupling agent are put into together
Dry-mixed 3-5min in super mixer；
（3）By step（2）In the raw material that mixes put into the loading hopper of double screw extruder, conductive fiber is added by side spout
Enter, control puddling speed 500-1000rpm/min, screw speed 200-400rpm/min, 265-290 DEG C of processing temperature, stops
Time 2-3min, pressure 12-18MPa, through melting extrusion at line, cooling, the conduction that then cutting is granulated to get high conductivity
Plastics.
Comparative example 1
The conductive plastics referring to made from patent CN1083767A.
Comparative example 2
The conductive plastics referring to made from patent CN101671458A.
Comparative example 3
In addition to no conductive filler, material content is consistent with embodiment 1 with preparation step.
Comparative example 4
In addition to no conductive fiber, material content is consistent with embodiment 1 with preparation step.
Test method
（1）Volume resistivity
The volume resistivity of conductive plastics is measured according to JJG-1993.It is specifically following to carry out：
In the case where injection-molded article, the both ends of the tension test sheet based on ASTM-D638 trimming scissor cut is cut into
12.7mm × 50mm × 3mm thickness strip, in the both ends of the surface of strip（12.7mm×3mm）It is coated with 1-5 of the embodiment of the present invention and right
Conductive plastics thickener in ratio 1-6, and air-dried 30 minutes at 23 DEG C, obtained material is as experiment slice.
In measurement, the resistance between the both ends of the surface for being coated with conductive plastics thickener is measured, calculates volume electricity
Resistance rate.
(2) tensile strength
The tensile strength of conductive plastics is measured according to GB/T1040.3-2006.It is specifically following to carry out：
Conductive plastics is made in Example 1-5 and comparative example 1-6,12.7mm × 50mm × 5mm thickness strip is cut into, as examination
Sample, and the parallel portion being stretched on sample is allocated as graticule, when clamping sample with fixture, to make sample y direction center with
Upper and lower clamp central line coincides, and elastic is suitable for that cannot make sample that tension is slipped or clamped in stress in clamp mouth part
Damage sample.It by selected speed, machines, carries out tension test.After sample fracture, reads and stretched between load and gauge length
It is long, or load when surrender is read, the tensile strength of conductive plastics can be obtained.
（3）Impact strength
The impact strength of conductive plastics is measured according to GB/T1843-2008.It is specifically following to carry out：
Conductive plastics is made in Example 1-5 and comparative example 1-6, cuts into 250mm × 250mm × 50mm thickness plate, loads onto
Pendulum, and plate is placed on supporting plate, side should be close to bearing blade, after, pendulum test can be put, after impact, from
Scale disc recording thrusts the numerical value of confession, observes simultaneously probability material plane of disruption situation, and calculate impact strength according to function is thrust, calculates
The average value of each sample and compare between sample out.
Experimental example
According to 1-5 of the embodiment of the present invention with the volume resistivity of the comparative example 1-4 conductive plastics prepared, tensile strength, shock resistance
Intensity etc. is tested, and concrete outcome is shown in Table 1：
1 performance test results of table
| Test item | Volume resistivity（Ω.cm） | Tensile strength（Mpa） | Impact strength（MPa） | Extensibility（%） |
| Embodiment 1 | 60 | 16.1 | 1.24 | 2.9 |
| Embodiment 2 | 66 | 15.5 | 1.20 | 3.3 |
| Embodiment 3 | 63 | 16.0 | 1.27 | 3.2 |
| Embodiment 4 | 68 | 14.9 | 1.18 | 3.1 |
| Embodiment 5 | 62 | 15.9 | 1.22 | 3.0 |
| Comparative example 1 | 115 | 10.2 | 0.97 | 4.6 |
| Comparative example 2 | 95 | 9.1 | 1.05 | 4.3 |
| Comparative example 3 | 83 | 11.3 | 0.86 | 4.8 |
| Comparative example 4 | 76 |
As it can be seen from table 1 the performance indexes of the conductive plastics of the embodiment of the present invention is superior to the conductive modeling in comparative example
Material, there are many conductive plastics that the tensile strength of the conductive plastics of the embodiment of the present invention is higher by comparative example, show excellent mechanics
Property, while also showing stronger impact strength and lower extensibility.And the conductive plastics of the embodiment of the present invention
Electric conductivity is better than comparative example, illustrates that conductive plastics prepared by the present invention has excellent electric conductivity, can be used for it is any it is conductive,
The manufacture of antistatic moulding.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of conductive plastics of high conductivity, which is characterized in that be made of the component of following parts by weight：
25-35 parts of matrix resin；
12-18 parts of rubber grain；
7-15 parts of conductive filler；
4-8 parts of conductive fiber；
2-5 parts of impact modifier；
3-7 parts of inorganic filler；
1.3-3.8 parts of plasticizer；
0.3-1.6 parts of coupling agent.
2. the conductive plastics of high conductivity according to claim 1, which is characterized in that described matrix resin is thermoplastic resin
Rouge is selected from one or more of acrylic resin, polyvinyl resin, polyamide, poly (phenylene ether) resin.
3. the conductive plastics of high conductivity according to claim 1, which is characterized in that the conductive fiber is that metal is fine
One of dimension, carbon fiber, copper carbon fiber, copper facing glass fibre and copper facing silicon carbide fibre or any several composition.
4. the conductive plastics of high conductivity according to claim 1, which is characterized in that the rubber grain is the third rubber of second
Glue, butyl rubber or hydrogenated nitrile-butadiene rubber.
5. the conductive plastics of high conductivity according to claim 1, which is characterized in that the conductive filler is conductive carbon
Black, carbon nanotube, two or more in superconduction graphite are compound.
6. the conductive plastics of high conductivity according to claim 1, which is characterized in that the impact modifier is selected from benzene second
Alkene-butadiene diblock copolymer, styrene-isoprene block copolymer or styrene-（Ethylene/Butylene）Styrene three
One or more of block copolymer.
7. the conductive plastics of high conductivity according to claim 1, which is characterized in that the inorganic filler is selected from carbonization
One or more of silicon, mica powder, wollastonite, kaolin.
8. the conductive plastics of high conductivity according to claim 1, which is characterized in that the plasticizer be selected from paraffin oil,
One of triacetin, dioctyl adipate, aromatic naphtha.
9. the conductive plastics of high conductivity according to claim 1, which is characterized in that the coupling agent is that titanate esters are even
Connection agent, aluminate coupling agent, zirconium ester coupling agent, silicone coupling agents one or more are compound.
10. the preparation method of the conductive plastics of -9 described in any item high conductivity according to claim 1, which is characterized in that packet
Include following steps：
（1）Each raw material is weighed by predetermined weight；
（2）Matrix resin, rubber grain, conductive filler, impact modifier, inorganic filler, plasticizer, coupling agent are put into together
Dry-mixed 3-5min in super mixer；
（3）By step（2）In the raw material that mixes put into the loading hopper of double screw extruder, conductive fiber is added by side spout
Enter, control puddling speed 500-1000rpm/min, screw speed 200-400rpm/min, 265-290 DEG C of processing temperature, stops
Time 2-3min, pressure 12-18MPa, through melting extrusion at line, cooling, the conduction that then cutting is granulated to get high conductivity
Plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553766.0A CN108892861A (en) | 2018-06-01 | 2018-06-01 | A kind of conductive plastics and preparation method thereof of high conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553766.0A CN108892861A (en) | 2018-06-01 | 2018-06-01 | A kind of conductive plastics and preparation method thereof of high conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108892861A true CN108892861A (en) | 2018-11-27 |
Family
ID=64343856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553766.0A Withdrawn CN108892861A (en) | 2018-06-01 | 2018-06-01 | A kind of conductive plastics and preparation method thereof of high conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108892861A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724382A (en) * | 2018-07-16 | 2020-01-24 | 宁国诚石橡塑制品有限公司 | Conductive silicone rubber and preparation process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585348A (en) * | 2011-01-06 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Toughened conducting material and preparation method for toughened conducting material |
-
2018
- 2018-06-01 CN CN201810553766.0A patent/CN108892861A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585348A (en) * | 2011-01-06 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Toughened conducting material and preparation method for toughened conducting material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724382A (en) * | 2018-07-16 | 2020-01-24 | 宁国诚石橡塑制品有限公司 | Conductive silicone rubber and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | Study on polycarbonate/multi-walled carbon nanotubes composite produced by melt processing | |
| JP6012906B2 (en) | Masterbatch for producing a composite material having high conductive properties, its production method, and the obtained composite material | |
| KR101309738B1 (en) | Polymer/conductive filler composite with high electrical conductivity and the preparation method thereof | |
| KR101583106B1 (en) | Multiphase polymeric composition useful for preparing cable insulation | |
| CN108285639A (en) | A kind of novel conductive plastics and its preparation process | |
| KR20170127528A (en) | Process for the preparation of composite articles having enhanced electrical properties | |
| WO1998020503A1 (en) | Electrically conductive compositions and methods for producing same | |
| JP2017145414A (en) | Method for producing conductive resin composition | |
| Dintcheva et al. | Effect of elongational flow on morphology and properties of polymer/CNTs nanocomposite fibers | |
| Pedroni et al. | Nanocomposites based on MWCNT and styrene–butadiene–styrene block copolymers: Effect of the preparation method on dispersion and polymer–filler interactions | |
| CA2361434A1 (en) | Electrically conductive compositions and methods for producing same | |
| Wang et al. | Selective localization of multi‐walled carbon nanotubes in epoxy/polyetherimide system and properties of the conductive composites | |
| CN108892861A (en) | A kind of conductive plastics and preparation method thereof of high conductivity | |
| KR102084640B1 (en) | An electrically conductive resin composition and a method for preparing the same | |
| KR102402961B1 (en) | Antistatic resin composition comprising the carbon nanotube | |
| CN111748154A (en) | High-performance reinforced polypropylene composite material | |
| Silva et al. | The influence of the molecular architecture of the PEG: PPG triblock copolymer on the properties of epoxy nanocomposites | |
| Cho et al. | Effect of the processing parameters on the surface resistivity of acrylonitrile–butadiene rubber/multiwalled carbon nanotube nanocomposites | |
| CN111303500B (en) | Preparation method of graphene oxide/butyronitrile latex nanocomposite | |
| CN114316565A (en) | Scratch-resistant antistatic polyphenyl ether alloy material | |
| KR102402957B1 (en) | Antistatic resin composition, molded articel thereof, and method of manufacturing the same | |
| Zimmermann et al. | Influence of Flexographic Photopolymer-Plate Residue Incorporation on the Mechanical Properties of Glass-Fiber-Reinforced Polyester Composites | |
| KR20120021630A (en) | Recycled polypropylene material with improved impact strength and thermoplastic molded article comprising the same | |
| KR102402962B1 (en) | Antistatic resin composition comprising thermoplastic reson and conductive filler | |
| Toprakci et al. | Fabrication and characterization of vapor grown carbon nanofiber reinforced flexible polymer composites |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181127 |
|
| WW01 | Invention patent application withdrawn after publication |