CN105754214A - Low-percolation-threshold polypropylene-based composite electroconductive high polymer material and preparation method thereof - Google Patents
Low-percolation-threshold polypropylene-based composite electroconductive high polymer material and preparation method thereof Download PDFInfo
- Publication number
- CN105754214A CN105754214A CN201610135993.2A CN201610135993A CN105754214A CN 105754214 A CN105754214 A CN 105754214A CN 201610135993 A CN201610135993 A CN 201610135993A CN 105754214 A CN105754214 A CN 105754214A
- Authority
- CN
- China
- Prior art keywords
- parts
- polypropylene
- silicone oil
- percolation threshold
- polymer composites
- 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.)
- Pending
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
- 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 discloses a low-percolation-threshold polypropylene-based composite electroconductive high polymer material which is composed of, by weight, 40-50 parts of polypropylene, 1-2 parts of carbon nano tube, 20-30 parts of electroconductive carbon black, 5-12 parts of glass fiber, 5-10 parts of titanium-magnesium alloy, 5-8 parts of calcium powder, 5-10 parts of decabromodiphenyl ether and 1-2 parts of silicone oil.The invention further discloses a preparation method of the material.The silicone oil is adopted as a phase solvent, so that dispersity of the electroconductive carbon black in polypropylene is improved, percolation value of the composite material is lowered, and electroconductivity of the material is improved greatly; various fillers are compounded and added, overall mechanical performance of the material is improved, and the material has better properties.
Description
Technical field:
The present invention relates to Material Field, be specifically related to the polypropylene-base composite conducting high score of a kind of low percolation threshold
Sub-material.
Background technology:
Polypropylene-base conductive polymeric composite refers to commodity polymer polypropylene as matrix, adds each
Planting conductive materials, the certain electric conductivity that has being combined through physics, chemical method and obtaining has good power
Learning the composite of performance, be a kind of conductive material of current applications the widest consumption maximum, wherein dispersion is compound
Type conducting polymer composite is typically to fill conducting particles or conductive fiber, as carbon black, carbon fiber, metal powder,
Metallic fiber, Premi-Glass etc., wherein carbon black is that conduction the most most widely used, that consumption is maximum is filled out
Material, its specific insulation is 0.1～10 Ω cm, and electric conductivity is stably lasting, can significantly adjust material
Electric conductivity (1～1 × 108Ω cm), the most carbon black filled conductive polymer composites conductive effect is good, quilt
Extensively application.But, carbon black joins in polymeric matrix, and mechanical property and processing characteristics to material have
Significant impact, and find in preparation process, conductive black bad dispersibility in polypropylene, cause
The excess effusion value of composite is higher.The most single use conductive black does conductive filler can not meet requirement, many
Composite prepared by kind filler becomes the emphasis of research.
CNT, metal powder, metallic fiber, Premi-Glass etc. are currently used wider conductions
Filler, is usually used in preparing conductive material with conductive black, and applicant studies discovery, adds phase in polypropylene
Solvent such as maleic anhydride is grafted, and can improve conductive black dispersiveness in polypropylene, reduces excess effusion value,
Effect is obvious, and silicone oil can also play the effect reducing excess effusion value as phase solvent, and does not has both at home and abroad through retrieval
Having Patents to record, therefore, applicant designs the present invention can successfully solve the problem that prior art exists.
Summary of the invention:
It is an object of the invention to provide the polypropylene-base conductive polymer composites of a kind of low percolation threshold, with
Silicone oil is as phase solvent, and the modulation of multiple filler interworking forms, and not only has relatively low excess effusion value, good electricity
Conductance, and every good mechanical performance.
The polypropylene-base conductive polymer composites of a kind of low percolation threshold, is characterized in that, including following heavy
The composition of amount number: the polypropylene of 40-50 part, the CNT of 1-2 part, the conductive black of 20-30 part, 5-12
The glass fibre of part, the titanium magnesium alloy powder of 5-10 part, the calcium powder of 5-8 part, the decabromodiphenyl oxide of 5-10 part, 1-2
The silicone oil of part.
Further, described silicone oil is methyl-silicone oil or ethyl silicon oil or phenyl silicone oil；
Further, described polyacrylic molecular weight is less than 1200；
Further, the polypropylene-base conductive polymer composites of described low percolation threshold, including following weight
The composition of number: the polypropylene of 50 parts, the CNT of 3 parts, the conductive black of 20 parts, the glass of 7 parts
Fiber, the titanium magnesium alloy powder of 5 parts, the calcium powder of 5 parts, the decabromodiphenyl oxide of 8 parts, the silicone oil of 2 parts.
The preparation method of high-energy polymer based conductive composite material of the present invention comprises the steps:
Step one: proportionally weigh polypropylene, CNT, conductive black, glass fibre, the conjunction of titanium magnesium
Bronze, calcium powder, decabromodiphenyl oxide and silicone oil；
Step 2: step one component is added in mixing roll, banburying 20 under the conditions of 190 DEG C and 800r/min
Min～30min；
Step 3: by extruding with 190 DEG C and 15MPa in step 2 material press-in extruding machine, air-dry pelletizing,
It is the polypropylene-base conductive polymer composites of low percolation threshold of the present invention.
The present invention compared with prior art, has the advantage that with the addition of silicone oil enhances as phase solvent and lead
Electricity carbon black dispersiveness in polypropylene, reduces the excess effusion value of composite, so that the conduction of material
Rate is greatly improved, and the interworking of the most multiple filler adds the mechanical property making material overall and is improved,
Product property is the most superior.
Detailed description of the invention:
Embodiment 1: the polypropylene-base conductive polymer composites of a kind of low percolation threshold, including following weight
The composition of number: the polypropylene of 50 parts, the CNT of 3 parts, the conductive black of 20 parts, the glass of 7 parts
Fiber, the titanium magnesium alloy powder of 5 parts, the calcium powder of 5 parts, the decabromodiphenyl oxide of 8 parts, the methyl-silicone oil of 2 parts.
Preparation method: weigh polypropylene, CNT, conductive black, glass according to the ratio in embodiment 1
Glass fiber, titanium magnesium alloy powder, calcium powder, decabromodiphenyl oxide, methyl-silicone oil, add each component in mixing roll,
Banburying 20min under the conditions of 190 DEG C and 800r/min, then material is pressed in extruding machine with 190 DEG C and 15MPa
Extrusion, cools down slitting, air-dries pelletizing, be finished product after extrusion.
Embodiment 2: the polypropylene-base conductive polymer composites of a kind of low percolation threshold, including following weight
The composition of number: the polypropylene of 45 parts, the CNT of 2 parts, the conductive black of 25 parts, the glass of 5 parts
Fiber, the titanium magnesium alloy powder of 8 parts, the calcium powder of 5 parts, the decabromodiphenyl oxide of 5 parts, the ethyl silicon oil of 5 parts.
Preparation method: weigh polypropylene, CNT, conductive black, glass according to the ratio in embodiment 2
Glass fiber, titanium magnesium alloy powder, calcium powder, decabromodiphenyl oxide, ethyl silicon oil, add each component in mixing roll,
Banburying 20min under the conditions of 190 DEG C and 800r/min, then material is pressed in extruding machine with 190 DEG C and 15MPa
Extrusion, cools down slitting, air-dries pelletizing, be finished product after extrusion.
Embodiment 3: the difference with embodiment 2 is not add silicone oil.
Electric conductivity and mechanical property test:
By the polypropylene-base composite conducting of the low percolation threshold that embodiment 1, embodiment 2 and embodiment 3 are obtained
Macromolecular material carries out performance test, and specific insulation, surface resistivity are surveyed by GB/T15662 requirement
Trying, hot strength is tested by GB/T1040-2006 requirement, and bending strength is by GB/T10422006 requirement
Carry out testing, elongation at break is tested by GB/T1040-2006 requirement, and test result is as follows:
| Project | Method of testing | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Specific insulation | GB/T15662 | Ω·cm | 1.01 | 0.99 | 1.77 |
| Surface resistivity | GB/T15662 | Ω·cm | 9.89 | 8.44 | 16.21 |
| Hot strength | GB/T1040-2006 | MPa | 36.78 | 30.91 | 26.15 |
| Bending strength | GB/T1042-2006 | MPa | 59.54 | 55.28 | 44.66 |
| Elongation at break | GB/T1040-2006 | % | 8.20 | 7.76 | 9.1 |
As seen from the above table, the silicone oil of addition serves peptizaiton, improves the electric conductivity of material.
Claims (5)
1. a polypropylene-base conductive polymer composites for low percolation threshold, is characterized in that: each component
Parts by weight are: polypropylene 40-60 part, CNT 1-2 part, conductive black 20-30 part, glass fibre
5-12 part, titanium magnesium alloy powder 5-10 part, calcium powder 5-8 part, decabromodiphenyl oxide 5-10 part, silicone oil 1-2 part.
The polypropylene-base conductive polymer composites of low percolation threshold the most according to claim 1, its
Feature is, the parts by weight of each component are: polypropylene 60 parts, CNT 2 parts, conductive black 20 parts,
7 parts of glass fibre, 5 parts of titanium magnesium alloy powder, calcium powder 5 parts, decabromodiphenyl oxide 8 parts, silicone oil 2 parts.
The polypropylene-base conductive polymer composites of low percolation threshold the most according to claim 1 and 2,
It is characterized in that, described silicone oil is methyl-silicone oil or ethyl silicon oil or phenyl silicone oil.
The polypropylene-base conductive polymer composites of low percolation threshold the most according to claim 1 and 2,
It is characterized in that, described polyacrylic molecular weight is less than 1200.
5. the preparation side of the polypropylene-base conductive polymer composites of the low percolation threshold described in claim 1
Method comprises the steps:
Step one: weigh polypropylene, CNT, conductive black, glass according to the ratio of weight and number of each component
Glass fiber, titanium magnesium alloy powder, calcium powder, decabromodiphenyl oxide, silicone oil；
Step 2: step one component is added in mixing roll, banburying under the conditions of 190 DEG C and 800r/min
30min；
Step 3: by extruding with 190 DEG C and 15MPa in step 2 material press-in extruding machine, cool down after extrusion
Slitting, air-dries pelletizing, is the polypropylene-base composite conductive high molecular material of low percolation threshold of the present invention
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135993.2A CN105754214A (en) | 2016-03-10 | 2016-03-10 | Low-percolation-threshold polypropylene-based composite electroconductive high polymer material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135993.2A CN105754214A (en) | 2016-03-10 | 2016-03-10 | Low-percolation-threshold polypropylene-based composite electroconductive high polymer material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105754214A true CN105754214A (en) | 2016-07-13 |
Family
ID=56332916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610135993.2A Pending CN105754214A (en) | 2016-03-10 | 2016-03-10 | Low-percolation-threshold polypropylene-based composite electroconductive high polymer material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105754214A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633690A (en) * | 2016-11-17 | 2017-05-10 | 王炳植 | Low-wear conducting PBT/PET composite material and preparation method thereof |
| CN106751557A (en) * | 2016-11-17 | 2017-05-31 | 王炳植 | A kind of low abrasion conduction PBT/PET composites and preparation method thereof |
| CN114716768A (en) * | 2022-04-07 | 2022-07-08 | 南京聚隆科技股份有限公司 | Corrosion-resistant high-apparent-conductivity polypropylene composite material and preparation method thereof |
-
2016
- 2016-03-10 CN CN201610135993.2A patent/CN105754214A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633690A (en) * | 2016-11-17 | 2017-05-10 | 王炳植 | Low-wear conducting PBT/PET composite material and preparation method thereof |
| CN106751557A (en) * | 2016-11-17 | 2017-05-31 | 王炳植 | A kind of low abrasion conduction PBT/PET composites and preparation method thereof |
| CN106751557B (en) * | 2016-11-17 | 2019-03-22 | 浙江通力新材料科技股份有限公司 | A kind of low abrasion conduction PBT/PET composite material and preparation method |
| CN114716768A (en) * | 2022-04-07 | 2022-07-08 | 南京聚隆科技股份有限公司 | Corrosion-resistant high-apparent-conductivity polypropylene composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yokozeki et al. | Development and characterization of CFRP using a polyaniline-based conductive thermoset matrix | |
| JP6096806B2 (en) | Resin composition for electromagnetic shielding containing composite carbon material | |
| CN101870812A (en) | Conductive nylon 66 material and preparation method thereof | |
| CN107474376A (en) | A kind of cable semi-conductive shielding material and preparation method thereof | |
| WO2020025025A1 (en) | Conductive liquid silicone rubber and preparation method and use thereof | |
| CN105754214A (en) | Low-percolation-threshold polypropylene-based composite electroconductive high polymer material and preparation method thereof | |
| CN105837950B (en) | A kind of polyolefin-based conductive and dielectric composite material and preparation method thereof | |
| Liang et al. | Effects of carbon black content and size on conductive properties of filled high‐density polyethylene composites | |
| CN103113732A (en) | Conductive polymer composite and preparation method thereof | |
| CN105602066B (en) | A kind of polyethylene/nylon composite and preparation method thereof | |
| CN106633338A (en) | Conductive polymeric material and preparation method therefor | |
| Moazen et al. | Low percolation behavior of HDPE/CNT nanocomposites for EMI shielding application: Random distribution to segregated structure | |
| CN109762202A (en) | A kind of functionalization graphene composite anti-static plastic matrix and preparation method thereof | |
| CN106977812A (en) | Semi-conductive shielding material and preparation method for 10 220kV cables | |
| CN111534063A (en) | Graphene thermal bridge material modified polylactic acid phase change energy storage material and preparation method thereof | |
| CN104867636B (en) | A kind of semistor and preparation method thereof | |
| CN102604186B (en) | High-tenacity conducting nanocomposite material and preparation method thereof | |
| CN105482434A (en) | Graphene master batch, antistatic PPO/PS alloy material and preparation method thereof | |
| CN102108174B (en) | Preparation method of microwave absorbing rubber composite material | |
| KR101993883B1 (en) | Method for Manufacturing Non Metallic Silicon Complex Using Nano Hole of CNT and the Silicon Complex | |
| CN104725749B (en) | Ternary-blend-based composite material with ultralow conductive percolation value and preparation method of composite material | |
| CN110079035B (en) | Rubber/low-melting-point alloy/nano-carbon composite material with three-dimensional conductive network and preparation method thereof | |
| CN102827411A (en) | High-molecular composite nanometer voltage variable resistance soft film and manufacturing method | |
| CN103214799A (en) | Heat conduction antistatic PET/PTT material and preparation method thereof | |
| CN109651700A (en) | A kind of permanent conductive plastics particle and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160713 |
|
| WD01 | Invention patent application deemed withdrawn after publication |