CN1844266A - Water-soluble conductive macromolecular surface modification carbon black and method for preparing same - Google Patents
Water-soluble conductive macromolecular surface modification carbon black and method for preparing same Download PDFInfo
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- CN1844266A CN1844266A CN 200610025016 CN200610025016A CN1844266A CN 1844266 A CN1844266 A CN 1844266A CN 200610025016 CN200610025016 CN 200610025016 CN 200610025016 A CN200610025016 A CN 200610025016A CN 1844266 A CN1844266 A CN 1844266A
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- carbon black
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- coom
- aniline
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Abstract
The invention discloses a water conducting macromolecule surface finish coom and its process for preparing, which is characterized in that it adopts surface adsorption technology and selects water conducting macromolecule as modifier to perform surface finish to coom. The method consists of evenly spraying the conducting macromolecule solution in the coom under high-speed agitation, after the dehydration, obtaining the conducting macromolecule surface finish coom. The surface finish coom has advantages such as that the coom is of good dispersibility in polymeric matrix, the coom body is of champion conductivity and the processability is good, so can be used as conductive packing for preparing high-performance conducting recombination, anti-static material and electromagnetic shielding material.
Description
Technical field
The present invention relates to a kind of water-soluble conductive macromolecular surface modification carbon black and preparation method, belong to the sooty process for modifying surface.
Background technology
Carbon black has excellent electroconductibility, weathering resistance and environmental stability, and the Chang Zuowei conductive filler material is used for preparation from conducing composite materials such as temperature control intelligent material, conductive plastics and conductive filler materials.But carbon black disperses relatively difficulty in polymeric matrix, reason is that the bonding force of carbon black and polymeric matrix is less than the cohesive force between the carbon black pellet.In order to improve dispersiveness and the conducing composite material goods in use buildup effect of carbon black pellet of carbon black in polymeric matrix, it is effective means that carbon blacksurface is carried out modification.At present the method that carbon blacksurface is carried out modification can reduce four kinds: (1) adopts titanate coupling agent or other treatment agent to handle; (2) polymers such as surface chemistry grafted polyacrylic acid or ester class, polymaleic acid or ester class; (3) surface chemistry oxidation; (4) surperficial oxygen plasma treatment.Aforesaid method has all changed the physicochemical property of carbon blacksurface, reduced the bound energy between the carbon black pellet, this is favourable to improving the dispersiveness of carbon black in polymeric matrix, but increases sooty transition of electron potential barrier, has reduced the body electroconductibility of carbon black aggregate.
Summary of the invention
The objective of the invention is to, provide a kind of and in polymeric matrix, have good dispersion, and the surface modification carbon black of body excellent electric conductivity, to satisfy the requirement that is used to prepare the high-performance conductive matrix material.
The inventive method is different from common carbon black modified method, it is characterized in that conducting polymer contain-NH ,-COOH ,-SO
3H ,-groups such as SH, and graphitized carbon black contains usually-groups such as C=O, conducting polymer can be adsorbed on the carbon black pellet surface uniformly by hydrogen bond action, the surface modification carbon black that obtains is the system of two kinds of electrical conductor coexistences, by carbon black or the transmission of conducting polymer main chain, its electroconductibility is better than unmodified carbon black to its current carrier easily.
The present invention is achieved through the following technical solutions:
A kind of water-soluble conductive macromolecular surface modification carbon black is characterized in that, the composition and the ratio of weight and number of described water-soluble conductive macromolecular surface modification carbon black are as follows:
Carbon black 100
Conducting polymer 0.5～5
Wherein: described carbon black is a kind of in Shawinigan black, the furnace treated black, and its particle diameter is 30-60nm,
Described conducting polymer is to be selected from mix a kind of in the aqueous solution of poly-(3,4-enedioxy thiophene) of the aniline that concentration is 1-10wt%/adjacent amido Phenylsulfonic acid multipolymer, aniline/adjacent amido phenylformic acid multipolymer, aniline/N-propane sulfonic acid base aniline, polystyrolsulfon acid doped polyaniline, polystyrolsulfon acid.
The present invention also provides a kind of preparation method of water-soluble conductive macromolecular surface modification carbon black, it is characterized in that, described method is to be raw material with the carbon black, with the conducting polymer aqueous solution is properties-correcting agent, according to the above ratio, under high-speed stirring, the conducting polymer aqueous solution evenly is sprayed in the carbon black, after 80-160 ℃ of dry 1-4 hour, makes conductive macromolecular surface modification carbon black.
Beneficial effect
Compare with existing carbon black modified technology, the present invention has following advantage:
(1) preparation technology is simple, realizes suitability for industrialized production easily; (2) surface-modified carbon black that makes had both had good dispersiveness, had excellent electroconductibility again; (3) preparation process non-environmental-pollution.
Description of drawings
Fig. 1. the transmission electron microscope picture of Shawinigan black
Fig. 2. the transmission electron microscope picture of Shawinigan black is modified on aniline/adjacent amido Phenylsulfonic acid multipolymer surface
Embodiment:
The invention will be further described below in conjunction with comparative example and embodiment, but do not limit protection scope of the present invention:
Comparative example 1
In being furnished with churned mechanically encloses container, add 20g Shawinigan black (particle diameter 30-40nm), under high-speed stirring, the ethanolic soln that with 10g concentration is the titanate coupling agent of 5wt% evenly is sprayed in the Shawinigan black, carbon black after will handling then places 80 ℃ baking oven, dry 1 hour, promptly get the Shawinigan black of titanate coupling agent modification.Surface modification carbon black is pressed into the disk that diameter is 13mm, and testing its specific conductivity with the four point probe instrument is 3.1S/cm.
Comparative example 2
In being furnished with churned mechanically encloses container, add 20g furnace treated black (N660, particle diameter 50-60nm), under high-speed stirring, the ethanolic soln that with 10g concentration is the titanate coupling agent of 5wt% evenly is sprayed in the Shawinigan black, carbon black after will handling then places 80 ℃ baking oven, dry 1 hour, promptly gets the Shawinigan black of titanate coupling agent modification.Surface modification carbon black is pressed into the disk that diameter is 13mm, and testing its specific conductivity with the four point probe instrument is 2.3S/cm.
Embodiment 1
In being furnished with churned mechanically encloses container, add 20g Shawinigan black (particle diameter 30-40nm), under high-speed stirring, with 12g concentration be 5wt% aniline/adjacent amido Phenylsulfonic acid aqueous copolymers solution evenly is sprayed in the Shawinigan black, carbon black after will handling then places 120 ℃ baking oven, dry 2 hours, promptly get aniline/adjacent amido Phenylsulfonic acid multipolymer surface and modify Shawinigan black.Surface modification carbon black is pressed into the disk that diameter is 13mm, and testing its specific conductivity with the four point probe instrument is 15.6S/cm.
Embodiment 2
In being furnished with churned mechanically encloses container, add 20g Shawinigan black (particle diameter 30-40nm), under high-speed stirring, with 10g concentration be 10wt% aniline/adjacent amido phenylformic acid aqueous copolymers solution evenly is sprayed in the Shawinigan black, carbon black after will handling then places 80 ℃ baking oven, dry 4 hours, promptly get aniline/adjacent amido phenylformic acid multipolymer surface and modify Shawinigan black.Surface modification carbon black is pressed into the disk that diameter is 13mm, and testing its specific conductivity with the four point probe instrument is 9.2S/cm.
Embodiment 3
In being furnished with churned mechanically encloses container, add 20g furnace treated black (N660, particle diameter 50-60nm), under high-speed stirring, with 10g concentration be 4wt% aniline/the N-propane sulfonic acid base aniline aqueous solution evenly is sprayed in the Shawinigan black, carbon black after will handling then places 120 ℃ baking oven, dry 2 hours, promptly gets aniline/N-propane sulfonic acid base aniline finishing Shawinigan black.Surface modification carbon black is pressed into the disk that diameter is 13mm, and testing its specific conductivity with the four point probe instrument is 8.5S/cm.
Embodiment 4
In being furnished with churned mechanically encloses container, add 20g Shawinigan black (particle diameter 30-40nm), under high-speed stirring, with 8g concentration is that the polystyrolsulfon acid doped polyaniline aqueous solution of 5wt% evenly is sprayed in the Shawinigan black, carbon black after will handling then places 100 ℃ baking oven, dry 2 hours, promptly get polystyrolsulfon acid doped polyaniline finishing Shawinigan black.Surface modification carbon black is pressed into the disk that diameter is 13mm, and testing its specific conductivity with the four point probe instrument is 12.3S/cm.
Embodiment 5
In being furnished with churned mechanically encloses container, add 20g Shawinigan black (particle diameter 30-40nm), under high-speed stirring, with 10g concentration is the polystyrolsulfon acid doping poly-(3 of 1wt%, 4-enedioxy thiophene) aqueous solution evenly is sprayed in the Shawinigan black, and the carbon black after will handling then places 160 ℃ baking oven, dry 1 hour, promptly get poly-(3,4-enedioxy thiophene) the finishing Shawinigan black of polystyrolsulfon acid doping.Surface modification carbon black is pressed into the disk that diameter is 13mm, and testing its specific conductivity with the four point probe instrument is 16.7S/cm.
Claims (2)
1, a kind of water-soluble conductive macromolecular surface modification carbon black is characterized in that, the composition and the ratio of weight and number of described water-soluble conductive macromolecular surface modification carbon black are as follows:
Carbon black 100
Conducting polymer 0.5～5
Wherein: described carbon black is a kind of in Shawinigan black, the furnace treated black, and its particle diameter is 30-60nm,
Described conducting polymer is to be selected from mix a kind of in the aqueous solution of poly-(3,4-enedioxy thiophene) of the aniline that concentration is 1～10wt%/adjacent amido Phenylsulfonic acid multipolymer, aniline/adjacent amido phenylformic acid multipolymer, aniline/N-propane sulfonic acid base aniline, polystyrolsulfon acid doped polyaniline, polystyrolsulfon acid.
2, the preparation method of water-soluble conductive macromolecular surface modification carbon black as claimed in claim 1, it is characterized in that, described method is to be raw material with the carbon black, with the conducting polymer aqueous solution is properties-correcting agent, it is conducting polymer/carbon black=(0.5～5) by weight: 100 ratio, under high-speed stirring, the conducting polymer aqueous solution evenly is sprayed in the carbon black, after 80-160 ℃ of dry 1-4 hour, makes conductive macromolecular surface modification carbon black.
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| CNB2006100250163A CN100406526C (en) | 2006-03-23 | 2006-03-23 | Water-soluble conductive macromolecular surface modification carbon black and method for preparing same |
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| CN100406526C CN100406526C (en) | 2008-07-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352139A (en) * | 2011-08-31 | 2012-02-15 | 汤阴县奇昌化工有限公司 | Water-soluble superfine special carbon black |
| CN110105793A (en) * | 2019-06-19 | 2019-08-09 | 焦作市和兴化学工业有限公司 | A kind of method of acetylene carbon black modification |
| CN116041986A (en) * | 2022-12-22 | 2023-05-02 | 山西盛达威科技有限公司 | Preparation method of water-soluble carbon black |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479279A (en) * | 1987-09-22 | 1989-03-24 | Nippon Catalytic Chem Ind | Carbon black dispersion |
| KR100267191B1 (en) * | 1995-06-14 | 2000-11-01 | 다나카 쇼소 | Carbon black graft polymer, process for the production of the polymer and use thereof |
| JP3435371B2 (en) * | 1998-09-14 | 2003-08-11 | 株式会社日本触媒 | Carbon black graft polymer and its use |
| CN1152093C (en) * | 2000-07-07 | 2004-06-02 | 华南理工大学 | Process for modifying carbon black with ethyl monomer |
| CN1546560A (en) * | 2003-12-16 | 2004-11-17 | 中国科学院长春应用化学研究所 | Polyethylene/ethylene-propylene rubber/carbon black macromolecule conductive composite material preparation |
| DE102004018746A1 (en) * | 2004-04-17 | 2005-12-01 | Degussa Ag | Carbon material |
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- 2006-03-23 CN CNB2006100250163A patent/CN100406526C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352139A (en) * | 2011-08-31 | 2012-02-15 | 汤阴县奇昌化工有限公司 | Water-soluble superfine special carbon black |
| CN102352139B (en) * | 2011-08-31 | 2014-02-12 | 汤阴县奇昌化工有限公司 | Water-soluble superfine special carbon black |
| CN110105793A (en) * | 2019-06-19 | 2019-08-09 | 焦作市和兴化学工业有限公司 | A kind of method of acetylene carbon black modification |
| CN116041986A (en) * | 2022-12-22 | 2023-05-02 | 山西盛达威科技有限公司 | Preparation method of water-soluble carbon black |
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| CN100406526C (en) | 2008-07-30 |
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Granted publication date: 20080730 Termination date: 20110323 |