CN102392388A - Hydrophobic anti-static corrugated board coating and preparation method thereof - Google Patents
Hydrophobic anti-static corrugated board coating and preparation method thereof Download PDFInfo
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- CN102392388A CN102392388A CN2011103493168A CN201110349316A CN102392388A CN 102392388 A CN102392388 A CN 102392388A CN 2011103493168 A CN2011103493168 A CN 2011103493168A CN 201110349316 A CN201110349316 A CN 201110349316A CN 102392388 A CN102392388 A CN 102392388A
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- corrugated paper
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- conductive filler
- plate coating
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Abstract
The invention discloses a hydrophobic anti-static corrugated board coating and a preparation method thereof. The particular method is as follows: conductive graphite and black carbon are mixed according to proportion so as to be taken as a conductive filler, and the hydrophobic anti-static corrugated board is particularly formed by water-solubility film forming resin, an assistant, mixed solution, the conductive filler and an adjuvant. The process for preparing the coating is as follows: firstly, drying the conductive filler, controlling the temperature of the conductive filler to be at the temperature of 75-95 DEG C; secondly, mixing the dried conductive filler with solution added with a dispersing agent and an auxiliary film forming object to form a primary mixing object; and thirdly, mixing the primary mixing object with the conductive filler, then adding the film forming resin and other adjuvant into the mixture, stirring the mixture for 10-30minutes by an electric stirrer so as to obtain the anti-static coating. For the prepared coating, the surface resistivity can be regulated in the range of 103-1010Omega, the preparation process is simple and easy to implement, the construction is convenient, the cost is lower, and the environmental protection requirement can be met.
Description
Technical field
The present invention is about a kind of aqueous antistatic prevented corrugated paper plate coating and preparation method thereof.
Backgroundfield
The Electrostatic Discharge phenomenon is to cause electronic product in storage and transport process, to damage or the one of the main reasons of service life impairment.All dissipation of static charge or shielding parts safely of passing through, ability limit static accumulation maybe can be avoided the material of exterior static charge affects, all can be used as the electrostatic discharge protective packaging material.The electrostatic defending packaging market enlarges day by day in recent years; But the packaging material form is very single; Promptly adopt the antistatic plastic bag as inner packing; Are main packaged forms at present with carton or plastic box as transportation and packing then, but for the protective packaging of big-and-middle-sized product and be not suitable for, and cost is high, complicated operation.Develop once that the corrugated board of static function is led in new possessing, carton has great construction value, its industrialization prospect is very wide simultaneously.The key technology of electrostatic defending type corrugated board carton is that the traditional tile corrugated paper board is carried out modification or the corrugated case structure is carried out function design and innovation; Such as paper pulp is carried out preliminary treatment; Meet with other functional materials or paperboard surface is applied; Wherein the surface-coated electrically-conducting paint is convenient and swift, and cost is lower.
Existing electrically-conducting paint great majority are solvent based coating; Serious to bad environment pollution; Reinforcement along with environmental consciousness; The electrically-conducting paint that begins to pay close attention to environmental protection that People more and more is many, its prime advantage be eliminate or eliminated basically in the general coating employed inflammable, explosive and be unfavorable for the organic solvent of environmental protection.
Summary of the invention
The objective of the invention is to solvent contamination problem of environment in the prior art, provide that a kind of anti-static effect is good, the surface resistivity condition and range is big, with low cost, be fit to property electrostatic prevented corrugated paper plate coating of large-scale industrial production and preparation method thereof.
Aqueous antistatic prevented corrugated paper plate coating among the present invention comprises following component, and the ratio of each component is all counted by weight, wherein:
20～30 parts in water intaking property film forming fat, 0.2～0.45 part of auxiliary film forming matter, mixed solution 25-35 part, 5～17.5 parts of conductive fillers, 0.1～0.2 part of antifoaming agent, 0.2～0.5 part of dispersant, 0～0.3 part of thickener, 0～0.3 part of modifier.
Said waterborne film-forming resin is the water soluble acrylic resin.
Said auxiliary film forming matter is methylcellulose or carboxymethyl cellulose.
Said conductive filler is the mixture of electrically conductive graphite and carbon black, and wherein electrically conductive graphite mixes by weight 4: 1 with carbon black.
Said mixed solution is the mixture of water and alcohol, and wherein alcohol is isopropyl alcohol, n-butanol or ethanol.
Aqueous antistatic prevented corrugated paper plate coating among the present invention adopts following processing step:
(1) conductive filler is dried, the temperature of oven dry is controlled at 75～95 ℃;
(2) with dried conducting filler with add the mixed solution that dispersant and auxiliary film forming matter are arranged and mix to form and just mix thing;
(3) add waterborne film-forming resin, antifoaming agent successively above-mentioned just mixing in the thing, speed change stirs and obtained anti-static coatings in 10～30 minutes under electric blender.
Thickener and/or modifier have also been increased after in step (3), increasing antifoaming agent.
In step (1), place drying box to constant weight conductive filler.
Beneficial effect of the present invention is:
1) conductive filler is graphite, black stock, and it is finer and close that it is mixed the conductive structure that can make coating by a certain percentage, forms good interlayer UNICOM structure, and conductive channel is more smooth and easy, thereby reduces the resistivity of coating.
2) utilize mix proportion scheme among the present invention, the coating surface resistivity that makes can be 10
3-10
10Regulate in the Ω scope.
3) preparation is simple, easy construction, cost are lower, compliance with environmental protection requirements.
The specific embodiment
Do further explain in the face of specific embodiment of the present invention down.
Instance 1:
Aqueous antistatic prevented corrugated paper plate coating in the present embodiment one is mixed by weight each component of mixing by following:
The preparation method of electrostatic prevented corrugated paper plate:
(1) with carbon black, graphite by weight being to mix at 1: 4 to be placed in the drying box, and under 75～80 ℃, be dried to constant weight, process conductive filler;
(2) water and isopropyl alcohol were mixed by weight 4: 1, form mixed solution;
(3) sodium carboxymethylcellulose, dispersant and mixed solution are fully stirred formation and just mix thing;
(4) will just mix thing and mix with conductive filler, and add water soluble acrylic resin, antifoaming agent and thickener then, speed change stirred 20 minutes under electric blender (model of electric blender can be selected JB200-S for use), obtained anti-static coatings;
(5) anti-static coatings is brushed in corrugated board process electrostatic prevented corrugated paper plate.
Surface resistivity by the electrostatic prevented corrugated paper plate of the foregoing description one preparation reaches 10
10Ω, according to the GJB/Z86-97 classification, (surface resistivity is equal to or greater than 10 to belong to static dissipative material
5Ω but less than 10
12Ω, specific insulation is equal to or greater than 10
4Ω cm but less than 10
11The material of Ω cm.), though the electrostatic charge of this material is significantly less than electrostatic conductor in its surperficial rate travel, it receives when rubbing, the electric charge that the surface produces can spread and reveal faster.Higher because of its resistivity, can not cause material discharging, can transmit in the environment as ESD protective packaging and the assembling of general static discharge sensing element (ESDS) production.
Embodiment 2:
Aqueous antistatic prevented corrugated paper plate coating in the present embodiment two is mixed by weight each component of mixing by following:
The preparation method of electrostatic prevented corrugated paper plate:
(1) with carbon black, graphite by weight being to mix at 1: 4 to be placed in the drying box, and under 80～85 ℃, be dried to constant weight, form conductive filler;
(2) water and isopropyl alcohol were mixed by weight 3: 2 after, form mixed solution;
(3) sodium carboxymethylcellulose, dispersant and mixed solution are fully stirred formation and just mix thing;
(4) will just mix thing and mix with conductive filler, and add water soluble acrylic resin, antifoaming agent, thickener and modifier then, speed change stirred 10 minutes under electric blender (model of electric blender can be selected JB200-S for use), obtained anti-static coatings;
(5) anti-static coatings is brushed in corrugated board process electrostatic prevented corrugated paper plate.
Electrostatic prevented corrugated paper plate surface resistivity by embodiment two preparations reaches 10
8Ω, according to the GJB/Z86-97 classification, (surface resistivity is equal to or greater than 10 to belong to static dissipative material
5Ω but less than 10
12Ω, specific insulation is equal to or greater than 10
4Ω cm but less than 10
11The material of Ω cm.), though the electrostatic charge of this material is significantly less than electrostatic conductor in its surperficial rate travel, it receives when rubbing, the electric charge that the surface produces can spread and reveal faster.Higher because of its resistivity, can not cause material discharging, can transmit in the environment as ESD protective packaging and the assembling of general ESDS production.
Embodiment 3:
Aqueous antistatic prevented corrugated paper plate coating in the present embodiment three is mixed by weight each component of mixing by following:
The preparation method of electrostatic prevented corrugated paper plate:
(1) with carbon black, graphite by weight being to mix at 1: 4 to be placed in the drying box, and under 85～90 ℃, be dried to constant weight, form conductive filler;
(2) with water and isopropyl alcohol by weight being to mix at 5: 1, form mixed solution;
(3) sodium carboxymethylcellulose, dispersant and mixed solution are fully stirred formation and just mix thing;
(4) will just mix thing and mix with conductive filler, and add water soluble acrylic resin, antifoaming agent, thickener and modifier then, speed change stirred 25 minutes under electric blender (model of electric blender can be selected JB200-S for use), obtained anti-static coatings;
(5) anti-static coatings is brushed in corrugated board process electrostatic prevented corrugated paper plate.
The electrostatic prevented corrugated paper plate surface resistivity of preparation is big by 10
6Ω, according to the GJB/Z86-97 classification, (surface resistivity is equal to or greater than 10 to belong to static dissipative material
5Ω but less than 10
12Ω, specific insulation is equal to or greater than 10
4Ω cm but less than 10
11The material of Ω cm.), though the electrostatic charge of this material is significantly less than electrostatic conductor in its surperficial rate travel, it receives when rubbing, the electric charge that the surface produces can spread and reveal faster.Higher because of its resistivity, can not cause material discharging, can transmit in the environment as ESD protective packaging and the assembling of general ESDS production.
Embodiment 4:
The present invention provides a kind of aqueous antistatic prevented corrugated paper plate coating and preparation method thereof, adopts following processing step: (component ratio is counted by weight)
The preparation method of electrostatic prevented corrugated paper plate:
Carbon black, graphite place drying box by 1: 4 mixed, at 90～95 ℃ down to constant weight.
Sodium carboxymethylcellulose, dispersant and mixed solution are fully stirred formation just mix thing.
The above-mentioned thing that just mixes is mixed with conductive filler, add film-forming resin and other auxiliary agents then, speed change stirs and obtained anti-static coatings in 30 minutes under electric blender (JB200-S).
Anti-static coatings brushed in corrugated board process electrostatic prevented corrugated paper plate.
The electrostatic prevented corrugated paper plate surface resistivity of preparation is big by 10
3Ω, according to the GJB/Z86-97 classification, (shielding material is the very low electric conductor of resistivity, has surface resistivity and is equal to or less than 10 to belong to electromagnetic shielding material
4Ω can be used for shielded radio frequency and low frequency electromagnetic field.) usually at the compound one deck static dissipative material of shielding material internal layer, this electrostatic dissipation composite with shield effectiveness not only can be made the ESD protective packaging, can also be used for the priming system packing.
Claims (8)
1. an aqueous antistatic prevented corrugated paper plate coating comprises following component, and the ratio of each component is all counted by weight, wherein:
20～30 parts in water intaking property film forming fat, 0.2～0.45 part of auxiliary film forming matter, mixed solution 25-35 part, 5～17.5 parts of conductive fillers, 0.1～0.2 part of antifoaming agent, 0.2～0.5 part of dispersant, 0～0.3 part of thickener, 0～0.3 part of modifier.
2. aqueous antistatic prevented corrugated paper plate coating as claimed in claim 1 is characterized in that: said waterborne film-forming resin is the water soluble acrylic resin.
3. aqueous antistatic prevented corrugated paper plate coating as claimed in claim 1 is characterized in that: said auxiliary film forming matter is methylcellulose or carboxymethyl cellulose.
4. aqueous antistatic prevented corrugated paper plate coating as claimed in claim 1 is characterized in that: said conductive filler is the mixture of electrically conductive graphite and carbon black, and wherein electrically conductive graphite mixes by weight 4: 1 with carbon black.
5. aqueous antistatic prevented corrugated paper plate coating as claimed in claim 1 is characterized in that: said mixed solution is the mixture of water and alcohol, and wherein alcohol is isopropyl alcohol, n-butanol or ethanol.
6. aqueous antistatic prevented corrugated paper plate coating as claimed in claim 1 is characterized in that: adopt following processing step:
(1) conductive filler is dried, the temperature of oven dry is controlled at 75～95 ℃;
(2) with dried conducting filler with add the mixed solution that dispersant and auxiliary film forming matter are arranged and mix to form and just mix thing;
(3) add waterborne film-forming resin, antifoaming agent successively above-mentioned just mixing in the thing, speed change stirs and obtained anti-static coatings in 10～30 minutes under electric blender.
7. aqueous antistatic prevented corrugated paper plate coating as claimed in claim 6 is characterized in that: also increased thickener and/or modifier after in step (3), increasing antifoaming agent.
8. aqueous antistatic prevented corrugated paper plate coating as claimed in claim 6 is characterized in that: in step (1), place drying box to constant weight conductive filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110349316.8A CN102392388B (en) | 2011-11-08 | 2011-11-08 | Hydrophobic anti-static corrugated board coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110349316.8A CN102392388B (en) | 2011-11-08 | 2011-11-08 | Hydrophobic anti-static corrugated board coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102392388A true CN102392388A (en) | 2012-03-28 |
| CN102392388B CN102392388B (en) | 2014-06-11 |
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| CN201110349316.8A Expired - Fee Related CN102392388B (en) | 2011-11-08 | 2011-11-08 | Hydrophobic anti-static corrugated board coating and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103483958A (en) * | 2013-09-25 | 2014-01-01 | 浙江天地塑业有限公司 | Anti-static coating glue |
| CN105542593A (en) * | 2016-02-03 | 2016-05-04 | 滁州卷烟材料厂 | Anti-static corrugated carton |
| CN109267427A (en) * | 2018-09-04 | 2019-01-25 | 江苏星光新材料科技有限公司 | A kind of waterproof antistatic prevented corrugated paper plate coating and preparation method thereof |
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| CN1583909A (en) * | 2004-05-25 | 2005-02-23 | 熊猫电子集团有限公司 | Color permanent electrostatic resistant coating and preparing method thereof |
| CN101117498A (en) * | 2006-08-01 | 2008-02-06 | 天津市振东涂料有限公司 | Method for preparing antistatic acrylic coating |
| CN101418533A (en) * | 2008-12-08 | 2009-04-29 | 江南大学 | Electrostatic prevented corrugated paper plate coating and preparation method thereof |
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2011
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2003018676A1 (en) * | 2001-08-25 | 2003-03-06 | Chemetall Gmbh | Method for anti-statically coating the surfaces of plastic moulded parts or plastic or paint coatings |
| CN1441012A (en) * | 2003-03-27 | 2003-09-10 | 南京熊猫电子股份有限公司 | Permanent antistatic paint and its prepn |
| CN1583909A (en) * | 2004-05-25 | 2005-02-23 | 熊猫电子集团有限公司 | Color permanent electrostatic resistant coating and preparing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103483958A (en) * | 2013-09-25 | 2014-01-01 | 浙江天地塑业有限公司 | Anti-static coating glue |
| CN103483958B (en) * | 2013-09-25 | 2015-11-25 | 浙江天地塑业有限公司 | A kind of antistatic glue coated |
| CN105542593A (en) * | 2016-02-03 | 2016-05-04 | 滁州卷烟材料厂 | Anti-static corrugated carton |
| CN109267427A (en) * | 2018-09-04 | 2019-01-25 | 江苏星光新材料科技有限公司 | A kind of waterproof antistatic prevented corrugated paper plate coating and preparation method thereof |
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| CN102392388B (en) | 2014-06-11 |
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