CN103724882A - Polyvinyl chloride plastic antistatic master batch, conductive material for master batch and application thereof - Google Patents
Polyvinyl chloride plastic antistatic master batch, conductive material for master batch and application thereof Download PDFInfo
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- CN103724882A CN103724882A CN201410010240.XA CN201410010240A CN103724882A CN 103724882 A CN103724882 A CN 103724882A CN 201410010240 A CN201410010240 A CN 201410010240A CN 103724882 A CN103724882 A CN 103724882A
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Abstract
The invention discloses a polyvinyl chloride plastic antistatic master batch, a conductive material for the master batch and application thereof. The conductive material comprises 3-8 parts of conductive carbon black, 2-15 parts of conductive graphite and 1-5 parts of conductive carbon fiber. The master batch is formed by matching the following components on the basis: 5-25 parts of EVA (Ethylene-Vinyl Acetate), 0-20 parts of chlorinated polyethylene, 3-8 parts of conductive carbon black, 2-15 parts of conductive graphite, 1-5 parts of conductive carbon fiber, 1 part of dibasic lead phosphate, 0.1-1 part of coupling agent of organic titanate, 0.1-1 part of aluminate coupling agent and 0.4-2 parts of dispersing agent. The conductive material and the master batch can be used for preparing polyvinyl chloride mining pipes. Multiple permanent conductors in different forms are compounded to form the conductive material, the defect of independent use of the conductive carbon black is overcome, a special master batch with high antistatic property can be prepared, high antistatic properties of polyvinyl chloride plastics can be guaranteed at low master batch addition amount and low cost, and the damage to mechanical property is reduced.
Description
Technical field
The present invention relates to igelite field, particularly, relate to a kind of igelite antistatic master batch, masterbatch electro-conductive material and they are in the application of preparing in underground polyvinyl chloride tubing for coal mines.
Background technology
Mining plastics tubing is one of important equipment of coal in China industry, for the plumbing of coal down-hole, drawing-off gas, wind-force conveying etc., is the necessary requirement of guaranteeing that downhole safety is produced.Along with the increasingly attention of country to safety in production, colliery obtains applying more and more widely with plastics tubing.
According to concerned countries standard, colliery must reach the antistatic standard of higher level with plastics tubing, and highest level is that surface resistivity is less than 1 × 10
6ohm.For the polyvinyl chloride that itself is isolator, reach this index, it is more difficult taking into account the performances such as fire-retardant, withstand voltage, mechanics simultaneously.
The problems such as the current general use graphitized carbon black of domestic contrast is made masterbatch as electro-conductive material and added, although also can reach standard, has cost high, and addition is large, mechanical property degradation.
Summary of the invention
First object of the present invention is to provide a kind of igelite antistatic master batch electro-conductive material, make its static resistance that can effectively improve igelite antistatic master batch, also can reduce costs, increase economic efficiency, to overcome independent use graphitized carbon black, as electro-conductive material, make masterbatch and add existing defect, guaranteeing to take into account mechanical property when igelite is compared with high-antistatic performance.
Second object of the present invention is to provide a kind of igelite antistatic dedicated parent material, uses it to prepare igelite, and cost is low, addition is little and can when assurance igelite is compared with high-antistatic performance, take into account mechanical property.
The 3rd object of the present invention is to provide a kind of igelite, makes it have cost low and guaranteeing that igelite takes into account fire-retardant, withstand voltage and mechanical property in compared with high-antistatic performance.
The 4th object of the present invention is to provide above-mentioned igelite antistatic master batch electro-conductive material in the application of preparing in underground polyvinyl chloride tubing for coal mines.
The 5th object of the present invention is to provide the antistatic dedicated parent material of above-mentioned igelite in the application of preparing in underground polyvinyl chloride tubing for coal mines.
For achieving the above object, the present invention adopts following technical scheme.
A kind of igelite antistatic master batch electro-conductive material, comprises each component of following weight part:
3～8 parts of conductive carbon blacks
2～15 parts of electrically conductive graphites
1～5 part of conductive carbon fibre.
The antistatic dedicated parent material of a kind of igelite, comprises each component of following weight part:
Further, comprise each component of following weight part:
Further, described dispersion agent is polyethylene wax and/or ethylene bis stearamide EBS.
A kind of igelite, makes material and comprises polyvinyl chloride and antistatic master batch, and described antistatic master batch adopts the antistatic dedicated parent material of above-mentioned igelite; Percentage composition meter by weight, the add-on of the antistatic dedicated parent material of described igelite is 20-30%.
Further, described igelite in a tubular form, under mine.
Above-mentioned igelite antistatic master batch can be used for preparing underground polyvinyl chloride tubing for coal mines with electro-conductive material and antistatic dedicated parent material.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention has taked the composite mode of multiple permanent electrical conductor " electrically conductive graphite, carbon fiber and conductive carbon black " of different shape to form igelite antistatic master batch electro-conductive material, the feature of utilizing the close and form complementation of conductivity, can be made into static resistance can better dedicated parent material.With less masterbatch addition, just can guarantee that igelite is compared with high-antistatic performance, also reduce the injury to mechanical property simultaneously.
2, the present invention has overcome the deficiency of independent use conductive carbon black, as used the excessive surface that causes of particle diameter too small carbon black, specific surface area greatly, very easily to reunite, belongs to function surplus, cost up.Masterbatch price of the present invention is no more than 20000 yuan/ton, when quality product is up to state standards, makes whole formulation cost than reducing more than 3% with graphitized carbon black masterbatch.By it, for polyvinyl chloride pipes for mining, can give pipes for mining static resistance and uniform black.The quality of pipes for mining finished product and production technique are all unaffected.And can protect pipes for mining life-cycle within the usage period antistatic, and can guarantee that this pipes for mining antistatic property when recycling does not decline.
3, utilize the static resistance that can effectively improve igelite pipes for mining antistatic master batch after polynary electro-conductive material, and can reduce costs, increase economic efficiency, and the environmental pollution that brings of carbon black capable of reducing using, labour intensity reduced, save energy.Meet the megatrend of low-carbon economy.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Note: EVA is herein the english abbreviation of " ethene-vinyl acetate copolymer resins ".
(1) igelite antistatic master batch is (weight part) with the formula of electro-conductive material:
3～8 parts of conductive carbon blacks
2～15 parts of electrically conductive graphites
1～5 part of conductive carbon fibre.
Obtained electro-conductive material is carried out to surperficial polynary processing, make the coating layer of its surface coverage titanate coupling agent, aluminate coupling agent and dispersion agent.
Treatment process: add above-mentioned material in high-speed mixer, at 60-105 ℃, >=550RPM 10-60 minute that turns round.
Dispersion agent is polyvinyl chloride wax and/or ethylene bis stearamide (EBS).
Putting into twin screw extruder extruding pelletization after the above-mentioned material of handling well and unclassified stores mixing, after cooling, pack and get product.
(2) formula of the antistatic dedicated parent material of polyvinyl chloride pipes for mining is (weight part):
The production technique of above-mentioned formula is: mix-melt extrude granulation-packing.Be specially and will after above-mentioned material metering, add high-speed mixer to mix, discharging after 20 minutes, then typically use twin-screw extrusion pelletizing, the temperature of processing is 100-180 ℃, the product obtaining through aforesaid method is the glossy particle of cylindric black of 2～4 millimeters of length, 3～5 millimeters of diameters, after cooling, be finished product, possess anti-static function.Its performance can reach: melt flow rate (MFR): 0.1-0.5(190 ℃, 10kg); Surface resistivity :≤10
7ohm.
Above-mentioned antistatic dedicated parent material is for the production of polyvinyl chloride pipes for mining, and addition is 20-30 part, depending on end-use, adjusts.
Application example 1:
The application example 1 of the antistatic dedicated parent material of polyvinyl chloride pipes for mining
Formula is:
Will after above-mentioned material metering, add high-speed mixer mix, discharging after 20 minutes, enters twin screw extruder and extrudes pelletizing, is finished product after cooling.Its performance can reach: melt flow rate (MFR): 0.1-0.5(190 ℃, 10kg); Surface resistivity 10
7ohm.To after 30 parts of this product and 70 parts of PVC mining pipes mixing materials mixing, extrude polyvinyl chloride colliery supplying drainage, its surface resistivity can reach 10
8ohm, all the other performance index also reach corresponding industry standard MT558.1---2005 requirements, than the antistatic master batch that uses common pure graphitized carbon black manufacture, reduce costs more than 5%, main frame electric current declines more than 5%.
Application example 2
The application example 2 of the antistatic dedicated parent material of polyvinyl chloride pipes for mining
Formula is:
Will after above-mentioned material metering, add high-speed mixer mix, discharging after 20 minutes, enters twin screw extruder and extrudes pelletizing, is finished product after cooling.Its performance can reach: melt flow rate (MFR): 0.1-0.5(190 ℃, 10kg); Surface resistivity 10
4ohm.To after 30 parts of this product and 70 parts of PVC mining pipes mixing materials mixing, extrude polyvinyl chloride colliery guide duct, its surface resistivity can reach 10
6ohm, all the other performance index also reach corresponding industry standard MT558.1---2005 requirements, than the antistatic master batch that uses common pure graphitized carbon black manufacture, reduce costs more than 15%, main frame electric current declines more than 5%.
Application example 3
The application example 3 of the antistatic dedicated parent material of polyvinyl chloride pipes for mining
Formula is:
Will after above-mentioned material metering, add high-speed mixer mix, discharging after 20 minutes, enters twin screw extruder and extrudes pelletizing, is finished product after cooling.Its performance can reach: melt flow rate (MFR): 0.1-0.5(190 ℃, 10kg); Surface resistivity 10
3ohm.To after 30 parts of this product and 70 parts of PVC mining pipes mixing materials mixing, extrude polyvinyl chloride colliery gas pipe, its surface resistivity can reach 10
6ohm, all the other performance index also reach corresponding industry standard MT558.1---2005 requirements, than the antistatic master batch that uses common pure graphitized carbon black manufacture, reduce costs more than 10%, main frame electric current declines more than 5%.
Case of comparative examples in the market
Control formula in the market and the application example of polyvinyl chloride pipes for mining antistatic master batch
Formula is:
20 parts of conductive carbon blacks
4 parts of dispersion agents (polyethylene wax, EBS)
Current production technique is: will after above-mentioned material metering, directly add high-speed mixer mix, discharging after 20 minutes, is finished product after cooling.Performance can reach: surface resistivity 10
4ohm.
Then will after 30 parts of this product and 70 parts of polychloroethylene pipes mixing materials mixing, extrude polyvinyl chloride colliery gas pipe, its surface resistivity can reach 10
6ohm, but its flattening test and falling weight impact test are often difficult to reach corresponding industry standard MT558.1---2005 requirements.This is in the market the production formula of the most general polyvinyl chloride gas in mine pipe.Because expensive conductive carbon black usage ratio is very high, make the total formulation cost of tubing very high.Simultaneously due to conductive carbon black extremely difficulty evenly spread in tubing, and tubing production unit does not have mixing ability, so (be 10 by above-mentioned standard reaching equal antistatic property
6ohm) prerequisite under, antistatic master batch addition has just become to affect the key factor of tubing cost.
From above-mentioned contrast: the polyvinyl chloride underground mine use tubing that the antistatic dedicated parent material of polyvinyl chloride pipes for mining that uses the present invention to fill a prescription to produce is produced, at antistatic property, (surface resistivity can reach 10
6ohm) and all the other performance index all reach corresponding industry standard MT558.1---2005 requirements prerequisites under, because used the impact modifying agents such as EVA and chlorinatedpolyethylene as carrier, greatly improved the toughness of tubing, guaranteed that flattening test and falling weight impact test are up to standard; Reduced the usage quantity (price of EVA and chlorinatedpolyethylene is only the half left and right of graphitized carbon black price) of the critical material conductive carbon black that price is the most expensive, thereby the decline and the quality that have effectively realized tubing production cost improve simultaneously.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an igelite antistatic master batch electro-conductive material, is characterized in that, comprises each component of following weight part:
3～8 parts of conductive carbon blacks
2～15 parts of electrically conductive graphites
1～5 part of conductive carbon fibre.
2. the antistatic dedicated parent material of igelite, is characterized in that, comprises each component of following weight part:
3. the antistatic dedicated parent material of igelite according to claim 2, is characterized in that, comprises each component of following weight part:
4. according to the antistatic dedicated parent material of the igelite described in claim 2 or 3, it is characterized in that, described dispersion agent is polyethylene wax and/or ethylene bis stearamide EBS.
5. an igelite, makes material and comprises polyvinyl chloride and antistatic master batch, it is characterized in that, described antistatic master batch adopts the antistatic dedicated parent material of igelite described in claim 2-4 any one; Percentage composition meter by weight, the add-on of the antistatic dedicated parent material of described igelite is 20-30%.
6. igelite according to claim 5, is characterized in that, described igelite in a tubular form, under mine.
Igelite antistatic master batch according to claim 1 with electro-conductive material in the application of preparing in underground polyvinyl chloride tubing for coal mines.
8. the antistatic dedicated parent material of igelite described in claim 2-4 any one is in the application of preparing in underground polyvinyl chloride tubing for coal mines.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410010240.XA CN103724882A (en) | 2014-01-09 | 2014-01-09 | Polyvinyl chloride plastic antistatic master batch, conductive material for master batch and application thereof |
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| CN201410010240.XA CN103724882A (en) | 2014-01-09 | 2014-01-09 | Polyvinyl chloride plastic antistatic master batch, conductive material for master batch and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739917A (en) * | 2014-01-09 | 2014-04-23 | 北京工商大学 | Polyethylene plastic antistatic master batch, conductive material for master batch and application of master batch and conductive material |
| CN104893166A (en) * | 2015-06-16 | 2015-09-09 | 合肥吉科新材料有限公司 | Conductive plastic for electronic products |
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| CN1133872A (en) * | 1996-03-06 | 1996-10-23 | 生寿斋 | Composition for antistatic fire-proof plastic pipe for coal mine |
| CN1149602A (en) * | 1996-03-14 | 1997-05-14 | 冯祯祥 | Antistatic hardening polyvinyl-chloride tube and producing method |
| CN1475339A (en) * | 2002-08-15 | 2004-02-18 | 孙建宁 | Flame-retardant antistatic polyvinyl chloride composite pipe and preparation method thereof |
| CN101096587A (en) * | 2007-06-18 | 2008-01-02 | 大连工业大学 | Antistatic masterbatch and manufacturing method of high-strength polyvinyl chloride pipe for coal mine |
| CN103739917A (en) * | 2014-01-09 | 2014-04-23 | 北京工商大学 | Polyethylene plastic antistatic master batch, conductive material for master batch and application of master batch and conductive material |
-
2014
- 2014-01-09 CN CN201410010240.XA patent/CN103724882A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133872A (en) * | 1996-03-06 | 1996-10-23 | 生寿斋 | Composition for antistatic fire-proof plastic pipe for coal mine |
| CN1149602A (en) * | 1996-03-14 | 1997-05-14 | 冯祯祥 | Antistatic hardening polyvinyl-chloride tube and producing method |
| CN1475339A (en) * | 2002-08-15 | 2004-02-18 | 孙建宁 | Flame-retardant antistatic polyvinyl chloride composite pipe and preparation method thereof |
| CN101096587A (en) * | 2007-06-18 | 2008-01-02 | 大连工业大学 | Antistatic masterbatch and manufacturing method of high-strength polyvinyl chloride pipe for coal mine |
| CN103739917A (en) * | 2014-01-09 | 2014-04-23 | 北京工商大学 | Polyethylene plastic antistatic master batch, conductive material for master batch and application of master batch and conductive material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739917A (en) * | 2014-01-09 | 2014-04-23 | 北京工商大学 | Polyethylene plastic antistatic master batch, conductive material for master batch and application of master batch and conductive material |
| CN104893166A (en) * | 2015-06-16 | 2015-09-09 | 合肥吉科新材料有限公司 | Conductive plastic for electronic products |
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Application publication date: 20140416 |
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