CN104530595A - High-strength PVC (polyvinyl chloride) conducting composite material and preparation method thereof - Google Patents
High-strength PVC (polyvinyl chloride) conducting composite material and preparation method thereof Download PDFInfo
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- CN104530595A CN104530595A CN201410812623.9A CN201410812623A CN104530595A CN 104530595 A CN104530595 A CN 104530595A CN 201410812623 A CN201410812623 A CN 201410812623A CN 104530595 A CN104530595 A CN 104530595A
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/18—Conductive material dispersed in non-conductive inorganic material the conductive material comprising carbon-silicon compounds, carbon or silicon
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0881—Titanium
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- 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
Abstract
The invention relates to the field of conducting composite materials, particularly a high-strength PVC (polyvinyl chloride) conducting composite material and a preparation method thereof. The high-strength PVC conducting composite material is prepared from the following raw materials in percentage by weight: 15-18% of carbon black, 0.2-0.5% of manganese powder, 0.5-0.8% of iron powder, 2.0-3.0% of copper powder, 0.1-0.2% of zirconium powder, 1.6-1.8% of nickel powder, 0.05-0.2% of titanium white, 0.5-1.0% of dispersing agent and the balance of PVC powder. The preparation method comprises the following steps: proportionally and evenly mixing the raw materials, oscillating in an oscillation tank for 100-120 minutes until the components are uniformly dispersed into the PVC matrix, taking out the oscillated reaction product, filling into a mold of a flat vulcanizing machine, carrying out high-temperature hot pressing, and demolding to obtain the high-strength PVC conducting composite material. The high-strength PVC conducting composite material has the advantages of favorable conductivity and favorable tensile strength. The preparation method has the advantages of high reaction efficiency, energy saving, no industrial waste, low production cost and favorable market prospects.
Description
Technical field
The present invention relates to conducing composite material field, specifically a kind of high-strength PVC conducing composite material and preparation method thereof.
Background technology
PVC(polyvinyl chloride) be one of five large resins for universal use, domestic and international turnout is very big, and range of application is wide.A big chunk product in daily life is all prepared by PVC, but some defects himself existed, as low in electrical insulating property, physical strength etc., greatly limit its range of application.Insulation PVC is prepared into the good and matrix material of high strength of conductivity, the application of PVC in fields such as unicircuit, chemical industry equipment, housing material, space flight and aviation can be expanded.
In PVC conducing composite material preparation method, utilize Banbury mixer by PVC matrix and carbon black powder internal mixing and plasticizing according to a certain percentage, then put into two spiral shell mill extruding pelletization, hot-forming with vulcanizing press.According to processing mode and the difference to ingredient requirement, working method can be divided into: melting mixing, ground and mixed, solution blending, powder mix.
Melting mixing is mixed by mixing facilities with melting PVC by conductive filler material powder, then machine-shaping.This method needs high temperature and long period to carry out mixing in the process of melting mixing, therefore has toxic gas as Cl
2release, be unfavorable for environmental protection, and need the operating process of high temperature highly energy-consuming, economically consider, cost is higher.But the method is widely used in plastic product industry now, its technical maturity, sheet material good mechanical property.
Ground and mixed: ground and mixed method be by PVC and conductive filler material through grinding, make its Homogeneous phase mixing, then it is shaping to carry out fusion-cast.Polishing process means is relatively simple, but each treatment capacity is considerably less, and process of lapping medial error is also high, is unsuitable for industrial production.
Solution blending: this method is dissolved in by PVC in suitable solvent, dispersed conductive filler material, in solution, after evaporation, by PVC and heat conductive filler mixture fusion-cast, is extruded or compression molding.This method is polluted high, and the recovery of solvent and Non-toxic are very difficult technological difficulties of capturing, and environmental protection effect is poor.
Powder mixes: powder mixing process is the promising utilisation technology of current most, and environmental protection effect is strong.The method often also exists stopping composition and disperses uneven problem, causes material composition heterogeneity, unstable properties.
Summary of the invention
The object of the invention is the problem overcoming PVC electrical insulating property and low mechanical strength, a kind of high-strength PVC conducing composite material and preparation method thereof is provided.
The solution of the present invention is by realizing like this:
A kind of high-strength PVC conducing composite material, its raw material weight ratio is: carbon black: 15-18%, manganese powder: 0.2-0.5%, iron powder: 0.5-0.8%, copper powder: 2.0-3.0%, zirconium powder: 0.1-0.2%, nickel powder: 1.6-1.8%, titanium valve: 0.05-0.2%, and all the other are PVC powder.
High-strength PVC conducing composite material as above, its raw material weight ratio is: carbon black: 18%, manganese powder: 0.5%, iron powder: 0.6%, copper powder: 2.8%, zirconium powder: 0.1%, nickel powder: 1.8%, titanium valve: 0.1%, dispersion agent: 1.0%, and all the other are PVC powder.
High-strength PVC conducing composite material as above, described dispersion agent is SiO 2 powder.
A kind of preparation method of high-strength PVC conducing composite material, the method is by carbon black: 15-18%, manganese powder: 0.2-0.5%, iron powder: 0.5-0.8%, copper powder: 2.0-3.0%, zirconium powder: 0.1-0.2%, nickel powder: 1.6-1.8%, titanium valve: 0.05-0.2%, dispersion agent: 0.5-1.0% and PVC powder mixing, raw material after mixing is placed in vibration tank internal vibration 100-120 min, each uniform composition is made to be distributed in PVC matrix, take out the reactant after vibration, be filled in the mould of vulcanizing press, after high temperature hot pressing, the demoulding obtains high-strength PVC conducing composite material.
The preparation method of high-strength PVC conducing composite material as above, described vibration top tank structure is tetrafluoroethylene, and the vibrational frequency of vibration tank is 45-55Hz, and amplitude is 5-8mm, and vibration force is 12000-15000N, and oscillation power is 0.8-1kw.
The preparation method of high-strength PVC conducing composite material as above, its condition of described high temperature hot pressing is pressure 6-10MP, temperature 160-180 DEG C, hot pressing 10 ~ 20min.
The know-why that the present invention realizes is: carbon black, manganese powder, iron powder, copper powder, zirconium powder, nickel powder, titanium valve are under dispersion agent silicon-dioxide and vibration tank oscillating action, be evenly dispersed in PVC matrix, composite inner forms more intensive conductive network, conductivity strengthens, and each metallic element gives matrix material higher physical strength simultaneously.
The present invention possesses following good result:
(1) high-strength PVC conducing composite material of the present invention has good conductivity, and its resistivity is at 0.16 below Ω cm.
(2) high-strength PVC conducing composite material of the present invention has good physical strength, and its longitudinal tensile strength and transverse tensile strength are all at more than 50MPa.
(3) preparation method's process of the present invention does not have Cl
2discharge, produces without industrial waste, and does not need in process to add poisonous harmful chemical agents, and environmental protection effect is strong, and production cost is low, and market outlook are good.
Embodiment
Below in conjunction with embodiment and a kind of high-strength PVC conducing composite material of description the present invention and preparation method thereof, these descriptions are not be further limited content of the present invention.
embodiment 1
A kind of high-strength PVC conducing composite material, its raw material weight ratio is: carbon black: 18%, manganese powder: 0.5%, iron powder: 0.6%, copper powder: 2.8%, zirconium powder: 0.1%, nickel powder: 1.8%, titanium valve: 0.1%, silicon-dioxide: 1.0%, and all the other are PVC powder; Described dispersion agent is SiO 2 powder.
Prepare the method for this high-strength PVC conducing composite material, by carbon black: 18%, manganese powder: 0.5%, iron powder: 0.6%, copper powder: 2.8%, zirconium powder: 0.1%, nickel powder: 1.8%, titanium valve: 0.1%, dispersion agent: 1.0% and PVC powder mixing, raw material after mixing is placed in vibration tank internal vibration 100 min that inwall is tetrafluoroethylene, vibrational frequency is 45Hz, amplitude is 5mm, vibration force is 12000N, oscillation power is 0.8kw, each uniform composition is made to be distributed in PVC matrix, take out the reactant after vibration, be filled in the mould of vulcanizing press, at pressure 6MP, hot pressing 10min at temperature 160 DEG C, after hot pressing, the demoulding obtains high-strength PVC conducing composite material.
embodiment 2
A kind of high-strength PVC conducing composite material, its raw material weight ratio is: carbon black: 15%, manganese powder: 0.2%, iron powder: 0.5%, copper powder: 2.0%, zirconium powder: 0.1%, nickel powder: 1.6%, titanium valve: 0.05%, dispersion agent: 0.5%, and all the other are PVC powder; Described dispersion agent is SiO 2 powder.
Prepare the method for this high-strength PVC conducing composite material, by carbon black: 15%, manganese powder: 0.2%, iron powder: 0.5%, copper powder: 2.0%, zirconium powder: 0.1%, nickel powder: 1.6%, titanium valve: 0.05%, silicon-dioxide: 0.5% and PVC powder mixing, raw material after mixing is placed in vibration tank internal vibration 120 min that inwall is tetrafluoroethylene, vibrational frequency is 55Hz, amplitude is 8mm, vibration force is 15000N, oscillation power is 1kw, each uniform composition is made to be distributed in PVC matrix, take out the reactant after vibration, be filled in the mould of vulcanizing press, at pressure 10MP, hot pressing 20min at temperature 180 DEG C, after hot pressing, the demoulding obtains high-strength PVC conducing composite material.
embodiment 3
A kind of high-strength PVC conducing composite material, its raw material weight ratio is: carbon black: 18%, manganese powder: 0.5%, iron powder: 0.8%, copper powder: 3.0%, zirconium powder: 0.2%, nickel powder: 1.8%, titanium valve: 0.2%, dispersion agent: 1.0%, and all the other are PVC powder; Described dispersion agent is SiO 2 powder.
Prepare the method for this high-strength PVC conducing composite material, by carbon black: 18%, manganese powder: 0.5%, iron powder: 0.8%, copper powder: 3.0%, zirconium powder: 0.2%, nickel powder: 1.8%, titanium valve: 0.2%, silicon-dioxide: 1.0% and PVC powder mixing, raw material after mixing is placed in the vibration tank internal vibration 110min that inwall is tetrafluoroethylene, vibrational frequency is 50Hz, amplitude is 6mm, vibration force is 14000N, oscillation power is 0.9kw, each uniform composition is made to be distributed in PVC matrix, take out the reactant after vibration, be filled in the mould of vulcanizing press, at pressure 8MP, hot pressing 15min at temperature 170 DEG C, after hot pressing, the demoulding obtains high-strength PVC conducing composite material.
embodiment 4
A kind of high-strength PVC conducing composite material, its raw material weight ratio is: carbon black: 16%, manganese powder: 0.24%, iron powder: 0.6%, copper powder: 2.5%, zirconium powder: 0.15%, nickel powder: 1.7%, titanium valve: 0.1%, dispersion agent: 0.8%, and all the other are PVC powder; Described dispersion agent is SiO 2 powder.
Prepare the method for this high-strength PVC conducing composite material, by carbon black: 16%, manganese powder: 0.24%, iron powder: 0.6%, copper powder: 2.5%, zirconium powder: 0.15%, nickel powder: 1.7%, titanium valve: 0.1%, silicon-dioxide: 0.8% and PVC powder mixing, raw material after mixing is placed in vibration tank internal vibration 120 min that inwall is tetrafluoroethylene, vibrational frequency is 45Hz, amplitude is 5mm, vibration force is 13000N, oscillation power is 0.8kw, each uniform composition is made to be distributed in PVC matrix, take out the reactant after vibration, be filled in the mould of vulcanizing press, at pressure 10MP, hot pressing 18min at temperature 165 DEG C, after hot pressing, the demoulding obtains high-strength PVC conducing composite material.
The above embodiment of the present invention scheme is only can not limit the present invention to explanation of the present invention, the scope of product moiety of the present invention, component proportions, preparation method's parameter is indicated in claim, and the scope of parameter of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, is all considered to be and is included in the scope of claims.
Claims (6)
1. a high-strength PVC conducing composite material, it is characterized in that, its raw material weight ratio is: carbon black: 15-18%, manganese powder: 0.2-0.5%, iron powder: 0.5-0.8%, copper powder: 2.0-3.0%, zirconium powder: 0.1-0.2%, nickel powder: 1.6-1.8%, titanium valve: 0.05-0.2%, and all the other are PVC powder.
2. high-strength PVC conducing composite material according to claim 1, it is characterized in that, its raw material weight ratio is: carbon black: 18%, manganese powder: 0.5%, iron powder: 0.6%, copper powder: 2.8%, zirconium powder: 0.1%, nickel powder: 1.8%, titanium valve: 0.1%, dispersion agent: 1.0%, and all the other are PVC powder.
3. high-strength PVC conducing composite material according to claim 1 and 2, is characterized in that, described dispersion agent is SiO 2 powder.
4. the preparation method of a high-strength PVC conducing composite material, it is characterized in that, the method is by carbon black: 15-18%, manganese powder: 0.2-0.5%, iron powder: 0.5-0.8%, copper powder: 2.0-3.0%, zirconium powder: 0.1-0.2%, nickel powder: 1.6-1.8%, titanium valve: 0.05-0.2%, dispersion agent: 0.5-1.0% and PVC powder mixing, raw material after mixing is placed in vibration tank internal vibration 100-120 min, each uniform composition is made to be distributed in PVC matrix, take out the reactant after vibration, be filled in the mould of vulcanizing press, after high temperature hot pressing, the demoulding obtains high-strength PVC conducing composite material.
5. the preparation method of high-strength PVC conducing composite material according to claim 4, is characterized in that, described vibration top tank structure is tetrafluoroethylene, the vibrational frequency of vibration tank is 45-55Hz, amplitude is 5-8mm, and vibration force is 12000-15000N, and oscillation power is 0.8-1kw.
6. the preparation method of high-strength PVC conducing composite material according to claim 5, is characterized in that, its condition of described high temperature hot pressing is pressure 6-10MP, temperature 160-180 DEG C, hot pressing 10 ~ 20min.
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| CN201410812623.9A CN104530595A (en) | 2014-12-24 | 2014-12-24 | High-strength PVC (polyvinyl chloride) conducting composite material and preparation method thereof |
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| CN201410812623.9A CN104530595A (en) | 2014-12-24 | 2014-12-24 | High-strength PVC (polyvinyl chloride) conducting composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832670A (en) * | 2017-02-10 | 2017-06-13 | 唐翔 | High-strength PVC heat-conductive composite material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58127744A (en) * | 1982-01-25 | 1983-07-29 | Aron Kasei Co Ltd | Thermoplastic resin composition |
| CN1054993A (en) * | 1990-03-18 | 1991-10-02 | 杨再田 | Substituting metal (lead) radiation protective universal electroconductive plastics and manufacturing process |
| JPH04120174A (en) * | 1990-09-10 | 1992-04-21 | Toyobo Co Ltd | Resin composition for vibration damping material |
| CN102324529A (en) * | 2011-08-29 | 2012-01-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Preparation method of conductive plastic bipolar plate of vanadium battery |
| CN102623718A (en) * | 2012-04-16 | 2012-08-01 | 四川省达州钢铁集团有限责任公司 | Method for preparing current collectors for all vanadium flow batteries |
-
2014
- 2014-12-24 CN CN201410812623.9A patent/CN104530595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58127744A (en) * | 1982-01-25 | 1983-07-29 | Aron Kasei Co Ltd | Thermoplastic resin composition |
| CN1054993A (en) * | 1990-03-18 | 1991-10-02 | 杨再田 | Substituting metal (lead) radiation protective universal electroconductive plastics and manufacturing process |
| JPH04120174A (en) * | 1990-09-10 | 1992-04-21 | Toyobo Co Ltd | Resin composition for vibration damping material |
| CN102324529A (en) * | 2011-08-29 | 2012-01-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Preparation method of conductive plastic bipolar plate of vanadium battery |
| CN102623718A (en) * | 2012-04-16 | 2012-08-01 | 四川省达州钢铁集团有限责任公司 | Method for preparing current collectors for all vanadium flow batteries |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832670A (en) * | 2017-02-10 | 2017-06-13 | 唐翔 | High-strength PVC heat-conductive composite material and preparation method thereof |
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Application publication date: 20150422 |