CN100348682C - Anti-static paint and its preparing method - Google Patents
Anti-static paint and its preparing method Download PDFInfo
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- CN100348682C CN100348682C CNB2005100508128A CN200510050812A CN100348682C CN 100348682 C CN100348682 C CN 100348682C CN B2005100508128 A CNB2005100508128 A CN B2005100508128A CN 200510050812 A CN200510050812 A CN 200510050812A CN 100348682 C CN100348682 C CN 100348682C
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Abstract
The present invention relates to static resisting paint and a preparing method thereof, which aims to provide static resisting paint and the preparing method thereof. The static resisting paint is prepared by adding biomass carbon with high conductivity, the static resisting performance of the static resisting paint is equal to that of static resisting plastics, and the static resisting performance is constant and stable without changing with the changes of humidity and time. The present invention has the advantages of easy acquirement of raw materials, simple manufacturing process, low cost, and regeneration of the raw materials. The present invention has the technical scheme that the static resisting paint mainly uses conductive biomass carbon particles as conducting media and resin type adhesive as a basal body, wherein the weight percentage of the biomass carbon particles is 2 to 50, and the rest is the resin type adhesive and solvent. The present invention can be used for coating an electronic apparatus, a container pipe line, an indoor decorating object, furniture, etc.
Description
Technical field
The present invention relates to coating, especially a kind of antistatic coating and preparation method thereof.Be applicable to the covering with paint of electronics, container conduit, upholstery, furniture etc.
Background technology
About the definition of macromolecule conducting material, up to the present still there is not unified standard both at home and abroad.Broadly, generally with volume specific resistance less than 10
10(or surface resistivity is less than 10 for Ω cm
11Macromolecular material general designation macromolecule conducting material Ω) wherein can be divided into polymeric antistatic material (10 again
6～10
10Ω cm), be mainly used in elimination static; Semiconducting Polymer Materials (10
0～10
6Ω cm), be mainly used in heating, electrode, resistance; Macromolecule conducting material (＜10
0Ω cm), be mainly used in conduction, electromagnetic shielding.
From the difference of the raw material that adopts and the difference of manufacture method, macromolecule conducting material can be divided into structure-type (eigenmode) macromolecule conducting material and compound (dosing type) macromolecule conducting material again.The former gets by chemosynthesis, as the polyacetylene that occurs after the seventies, poly-adjoin cough up, Polythiophene, poly quinoline, polyparaphenylene etc.The cost height of present this class electro-conductive material, its practicality wait to expand.The latter is that method is compound makes by blending or lamination etc. with conducting material and macromolecular material, has both had conducting function, has the excellent specific property of macromolecular material again; And cost is lower, good manufacturability, thereby obtained to use widely.Wherein electrically conducting coating is the big classification of one in the conducting polymer composite.
Coating plays the macromolecular material that protection, decoration etc. act on as a kind of article surface that is coated in, and is widely used in the covering with paint of hardware, upholstery, furniture etc.Common coating is because its electrical insulation capability height in use easily produces accumulation of static electricity.Might cause dust suction seriously to be difficult to purify and destruction ultrapurification environment, thereby influence the operation of product appearance or precision instrument; Static discharge can make various precision instruments, electronic devices and components are breakdown and scrap; In industries such as explosive, colliery, oil, chemical industry, weaving, static discharge causes the on fire or blast of inflammable and explosive substances, causes huge serious accident.The Application Areas of antistatic coating is expanded just year by year.
The serious potential safety hazard that causes for the coating accumulation of static electricity, the resistivity that each state all resists static coating all has strict regulation.The surface resistivity of China's standard GB 15599 regulation tank inner wall coatings is not more than 10
9Ω, volume specific resistance is not more than 10
8Ω cm.GB/T 16906-1997 has also made detailed regulation to the measuring method of Oil Tank static conductive coating resistivity.Along with various standards, standard formulation, the production of antistatic coating moves to maturity gradually, and performance also improves gradually.This has expanded the Application Areas of antistatic coating greatly.
Dosing the conductive filler material that uses in the type antistatic coating comprises: metal system, charcoal system, burning system.The ratio of metal system and burning system conductive filler material is great, easily sinks to the bottom caking during heavy addition, is not easy to construction.Charcoal system adopts superfine graphite, super-normal structure black etc., and existing related application or application can be satisfied the anti-electrostatic requirement, and be little to the influence of coating physicals.
Summary of the invention
At above-mentioned present situation, the purpose of this invention is to provide a kind of antistatic coating and preparation method thereof, be intended to make antistatic coating by the biomass charcoal that adds high conductivity, make its antistatic property and anti-static plastic suitable, antistatic property is permanent stable, and the variation with humidity, time does not change; Raw material easily obtains, technology simple, cost is lower and be renewable raw materials.
The technical solution adopted in the present invention is: the main composition of antistatic coating is to be conducting medium with the conductive biomass carbon particle, with the resene tackiness agent is matrix, wherein: the weight percent of biomass charcoal particulate is 2～50, and surplus is resene tackiness agent and solvent.
Described tackiness agent is urethane resin, resol, acrylic resin, Synolac.
In described resene tackiness agent, also can add weight percent and be 0.1～1 carbon black disperser and weight percent and be 0.1～1 coupling agent.
The preparation method of described antistatic coating is: the raw material sources of biomass charcoal is in all kinds of timber, bamboo and other draft class plants, starting material secluding air calcining in 750～1200 ℃ high temperature became biomass charcoal in 5～20 hours, and in powder processing unitss such as ball mill, grind to form the powder particulate that particle diameter is 5～50 μ m, the volume specific resistance that carbon particle is measured after abundant compacting is controlled at 0.1～100 Ω cm, get weight percent and be 2～50 carbon particle, resene tackiness agent with its surplus, solvent phase mixes, and can adopt conventional construction technologies such as spray or brushing.
The percentage composition of described solvent or mixed solvent is 15～50.
Above-mentioned preparation method can add weight percent again when mixing be that 0.1～1 carbon black disperser and weight percent are 0.1～1 coupling agent.
The invention has the beneficial effects as follows: the first, use this coating that body surface is carried out application, consumption is few, and raw material drawing is easy, and preparation cost is low, and its antistatic property and anti-static plastic are suitable; The second, use this coating when increasing the antistatic property of object, not destroy other performance of object inherent (as mechanical mechanics property etc.); The 3rd, permanent the stablizing of antistatic property of using the coating of this coating, the variation with humidity, time does not change; The 4th, use the surface resistivity of this coating to carry out suitable adjusting by the change of filling a prescription as required.
Embodiment
The present invention be a kind of be the coating of stopping composition with the conductive biomass charcoal, this material mainly form be with the conduction carbon particle be conducting medium, with the resene tackiness agent is matrix, and wherein: the weight percent of carbon particle is 2～50, and surplus is resene tackiness agent and the solvent that accounts for weight percent 15～50.
Described tackiness agent can be urethane resin, resol, acrylic resin, Synolac.
The raw material sources of biomass charcoal is in all kinds of timber, bamboo and other draft class plants, starting material secluding air calcining in 750～1200 ℃ high temperature became biomass charcoal more than 5 hours, and in powder processing unitss such as ball mill, grind to form the powder particulate that particle diameter is 5～50 μ m, the volume specific resistance that carbon particle is measured after abundant compacting is controlled at 0.1～100 Ω cm, get weight percent and be 2～50 carbon particle, mix with resene tackiness agent, the solvent phase of its surplus, can adopt conventional construction technologies such as spray or brushing.
When adopting the tackiness agent of resene, also can add weight percent and be 0.1～1 carbon black disperser in prescription: LD-28 (purchasing in Yangzhou Lida Resin Co., Ltd.) and weight percent are 0.1～1 coupling agent: silane coupling agent KH550 (purchase in the Nanjing Xiang and fly chemistry institute).
The surface resistivity of coating and carbon content, tackiness agent kind, charcoal kind and to obtain factors such as technology relevant.Along with the increase of carbon content, the surface resistivity of coating reduces thereupon, and the surface resistivity that can make coating is 10
9～10
3Regulate between the Ω, wherein the resistivity with Synolac is minimum, and the resistivity of resol is maximum.
Embodiment 1: being stopping composition with the electric bamboo, is the antistatic coating of matrix with urethane resin varnish
The preparation method is: the bamboo charcoal raw material sources is in mao bamboon, green bamboo, cizu or other bamboo kind, bamboo secluding air calcining in 900 ℃ high temperature became bamboo charcoal after 10 hours, bamboo charcoal is worn into the bamboo charcoal particulate that median size is 35 μ m in ball mill, the conductivity of bamboo charcoal is measured (generally be depressed into original volume 1/2) under the condition of fully compacting, its volume specific resistance is controlled at 0.1～100 Ω cm, get weight percent and be 20～40 bamboo charcoal, mix with urethane resin, the solvent phase of its surplus, can adopt conventional construction technologies such as spray or brushing.The bamboo charcoal filling ratio was respectively 20%, 25%, 30%, 35%, 40% o'clock, and its surface resistivity (mean value) is respectively 7.97k Ω, 2.60k Ω, 0.61k Ω, 0.59k Ω, 0.58k Ω, can satisfy antistatic requirement.
Embodiment 2: with the conduction charcoal is stopping composition, is the antistatic coating of matrix with the bakelite varnish
The preparation method is: the charcoal raw material sources is in deciduous species timber, high temperature secluding air calcining at 800 ℃ became charcoal after 20 hours, charcoal is worn into the charcoal particulate that median size is 35 μ m in ball mill, the conductivity of charcoal is measured (generally be depressed into original volume 1/2) under the condition of fully compacting, its volume specific resistance is controlled at 0.1～100 Ω cm, get weight percent and be 20～50 charcoal, mix with resol, the solvent phase of its surplus, can adopt conventional construction technologies such as spray or brushing.The charcoal filling ratio was respectively 20%, 25%, 30%, 35%, 40%, 45%, 50% o'clock, its surface resistivity (mean value) is respectively 32.5M Ω, 6.7M Ω, 4.6M Ω, 108.7k Ω, 26.8k Ω, 8.1k Ω, 4.1k Ω, can satisfy antistatic requirement, but its surface resistivity is big than embodiment 1, and major cause is caused by the body material difference.
Claims (6)
1, a kind of antistatic coating, it is characterized in that: it is to be conducting medium with the conductive biomass carbon particle that this material is mainly formed, with the resene tackiness agent is matrix, and wherein: the particle diameter of biomass charcoal particulate is that 5～50 μ m, weight percent are 2～50, and surplus is resene tackiness agent and solvent.
2, antistatic coating according to claim 1 is characterized in that: described tackiness agent is urethane resin, resol, acrylic resin or Synolac.
3, antistatic coating according to claim 2 is characterized in that: also add weight percent and be 0.1～1 carbon black disperser and weight percent in described resene tackiness agent and be 0.1～1 coupling agent.
4, a kind of preparation method of antistatic coating, it is characterized in that: the raw material sources of biomass charcoal is in all kinds of timber, bamboo or other draft class plants, starting material secluding air calcining in 750～1200 ℃ high temperature became biomass charcoal in 5～20 hours, and in powder processing unitss such as ball mill, grind to form the powder particulate that particle diameter is 5～50 μ m, the volume specific resistance that carbon particle is measured after abundant compacting is controlled at 0.1～100 Ω cm, get weight percent and be 2～50 carbon particle, mix with the resene tackiness agent and the solvent phase of its surplus.
5, the preparation method of antistatic coating according to claim 4 is characterized in that: the percentage composition of described solvent is 15～50.
6, the preparation method of antistatic coating according to claim 4 is characterized in that adding weight percent again and is 0.1～1 carbon black disperser and weight percent and be 0.1～1 coupling agent when mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100508128A CN100348682C (en) | 2005-07-21 | 2005-07-21 | Anti-static paint and its preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100508128A CN100348682C (en) | 2005-07-21 | 2005-07-21 | Anti-static paint and its preparing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1715350A CN1715350A (en) | 2006-01-04 |
| CN100348682C true CN100348682C (en) | 2007-11-14 |
Family
ID=35821523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100508128A Expired - Fee Related CN100348682C (en) | 2005-07-21 | 2005-07-21 | Anti-static paint and its preparing method |
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| CN (1) | CN100348682C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418533A (en) * | 2008-12-08 | 2009-04-29 | 江南大学 | Electrostatic prevented corrugated paper plate coating and preparation method thereof |
| CN103173107B (en) * | 2011-12-22 | 2016-01-27 | 深圳市百泉河实业有限公司 | A kind of wash resistant Antistatic Paint and preparation method thereof |
| CN102690566A (en) * | 2012-06-01 | 2012-09-26 | 安徽省金盾涂料有限责任公司 | Aqueous antistatic paint |
| CN104327715A (en) * | 2014-11-26 | 2015-02-04 | 江苏博腾新材料股份有限公司 | Antistatic floor paint |
| CN106010141B (en) * | 2016-06-30 | 2018-03-16 | 河北晨阳工贸集团有限公司 | A kind of preparation method of uniformly antistatic coating |
| CN107474717A (en) * | 2017-08-31 | 2017-12-15 | 无锡厚发自动化设备有限公司 | A kind of host computer anti-static coatings |
| CN107555414B (en) * | 2017-09-15 | 2020-09-29 | 佛山科学技术学院 | Garden waste biomass charcoal and preparation method and application thereof |
| CN113563011B (en) * | 2021-08-03 | 2022-10-18 | 宁波瑞能环境能源技术有限公司 | Building energy-saving material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047329A (en) * | 1989-05-06 | 1990-11-28 | 吴钦柱 | The production method of artificially synthesized charcoal and equipment thereof |
| CN1386804A (en) * | 2001-05-21 | 2002-12-25 | 韩克礼 | Health-care charcoal paint and its preparing process |
| CN1404974A (en) * | 2001-08-13 | 2003-03-26 | 株洲开发区大智新型建筑材料研究所 | Method for obtaining high-temp. bamboo charcoal and fine bamboo-wax from bamboo material |
| CN1490363A (en) * | 2002-10-17 | 2004-04-21 | 沈阳金纳新材料有限公司 | Conductive electromagnetic shielding paint and application thereof |
-
2005
- 2005-07-21 CN CNB2005100508128A patent/CN100348682C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047329A (en) * | 1989-05-06 | 1990-11-28 | 吴钦柱 | The production method of artificially synthesized charcoal and equipment thereof |
| CN1386804A (en) * | 2001-05-21 | 2002-12-25 | 韩克礼 | Health-care charcoal paint and its preparing process |
| CN1404974A (en) * | 2001-08-13 | 2003-03-26 | 株洲开发区大智新型建筑材料研究所 | Method for obtaining high-temp. bamboo charcoal and fine bamboo-wax from bamboo material |
| CN1490363A (en) * | 2002-10-17 | 2004-04-21 | 沈阳金纳新材料有限公司 | Conductive electromagnetic shielding paint and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 喷水灭火残留木炭导电性能的研究 任松发等.火灾科学，第11卷第2期 2002 * |
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| CN1715350A (en) | 2006-01-04 |
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Granted publication date: 20071114 Termination date: 20110721 |