CN1807541A - Antistatic packaging material - Google Patents
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- CN1807541A CN1807541A CN 200610008067 CN200610008067A CN1807541A CN 1807541 A CN1807541 A CN 1807541A CN 200610008067 CN200610008067 CN 200610008067 CN 200610008067 A CN200610008067 A CN 200610008067A CN 1807541 A CN1807541 A CN 1807541A
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Abstract
Disclosed is an antistatic packing material, characterized in that the surface of the package base material is coated or fused by a layer of conductive polymer comprising the following materials (by weight percent): carbon powder 0.5-10%, polyamine ester 40-60%, addition agent 15-50%, solvent 15-40%, the addition agent comprises dispersing agent 2-15%, coupling agent 0.5-10%, thinning agent 12.5-35%.
Description
Technical field
The present invention relates to a kind of wrapping material, be specifically related to a kind of antistatic packaging material.
Background technology
Wrapping material are used very general in people's live and work, yet different industries has nothing in common with each other to the requirement of wrapping material.At present, the electron trade development is very fast, progressively the stdn of various components and parts or assembly is arranged, thereby relate to the packing and transportation problem, and these devices are because very responsive to static, as CD-ROM drive driving head, integrated circuit modules liquid crystal or other components and parts etc., no matter be to make or transportation must be dustless or do not have and finish under the static conditions, common plastic film or sheet material can not satisfy the demands because do not have conductivity.How to give the present treatment process of plastics film or sheet-material package thing conductivity and be to use surface treatment method mostly, promptly in the coating of these nonconducting plastics films or sheet surface or cover conductive polymers and make these materials have conductivity.
Though directly can give plastics film or sheet material certain electric conductivity at plastics film or sheet surface coating static inhibitor, but because static inhibitor is a tensio-active agent, can be free on body surface, it is by water molecules in the absorbed air, thereby produces conductivity.And airborne water molecules in different areas, different season and different envrionment conditionss differ widely, its antistatic property and electric conductivity can be along with the aerial concentration of water molecules, variation of ambient temperature and are changed, and surface resistivity is mostly 10
9More than Ω/sq, conductive effect is very undesirable.
At number of patent application is in the invention of CN02806720.7, discloses a kind of multi-layer packaging material that is suitable for antistatic application, and this multilayered structure comprises at least one and removes the outer and conduction sandwich layer of static.Described skin comprises a kind of following one group material that is selected from: a kind of intrinsic goes static polymkeric substance, a kind of intrinsic to remove the blend of the blend of static polymkeric substance and a kind of non-conductive matrix polymkeric substance, a kind of intrinsic conducting polymer and a kind of non-conductive matrix polymkeric substance, and the former consumption is enough to make surface resistivity greater than 10
5And less than 10
12Ω/sq., and their mixture.Described sandwich layer comprises a kind of following one group material that is selected from: the blend of the blend of a kind of intrinsic conducting polymer, a kind of intrinsic conducting polymer and a kind of non-conductive matrix polymkeric substance, a kind of conductive filler material and a kind of non-conductive matrix polymkeric substance and their mixture.This multilayered structure unexpectedly makes electrical property surpass the structure of prior art because the surface resistivity of this multilayered structure mesectoderm when being lower than outer Individual existence or another kind not with multilayered structure that sandwich layer contacts in the time surface resistivity.Though this multi-layer packaging material can prevent, remove static preferably, this wrapping material are made complicated, and cost is very high.
Summary of the invention
For solving the problems of the technologies described above, the invention provides simple, the with low cost and conductive effect ideal antistatic packaging material of a kind of making.
For achieving the above object, technical scheme proposed by the invention is:
A kind of antistatic packaging material is characterized in that, being has one deck conductive polymer coating at least in coating of packing substrate surface or fusion, and described conductive polymer coating is made of the weight percent of following material:
Carbon dust 0.5-10%, polyamine fat 40-60%, additive 15-50%, solvent 15-40%,
Described carbon dust be equally distributed particulate to nano-scale particle, its particle diameter is 1nm-1um;
Described additive is made of dispersion agent, coupling agent, thinner, and wherein dispersion agent is 2-15%, coupling agent 0.5-10%, and thinner 12.5-35%:
Also has anti 1-5% in the described conductive polymers layer material, or/and thickening material 0.5-5%;
Described base material comprises PVC polyvinyl chloride, PP polypropylene, PS polystyrene, PE polyethylene, PET polyterephthalate, PU Polyurethane, PMMA polymethylmethacrylate and can form film or the frosting of sheet sheet material;
Described solvent is water solvent or organic solvent, and wherein water solvent is tap water, distilled water, pure water or deionized water; Organic solvent is Virahol, vinyl acetic monomer, butanone or ketone, alkanes and alkenes compounds;
Described dispersion agent is one or more in PVP polyvinylpyrrolidone, methyl-2-pyrrolidone, RSH alkyl sulfhydryl, oleic acid or the palmitinic acid;
Described coupling agent is chain alkyl Trimethoxy silane or vinyltriethoxysilane;
Described thinner is epoxy resin diluent or Polyurethane thinner;
Described thickening material is cellulose family, polycarboxylic acid, association type polyurethanes and alkali swelling ACRYLIC EMULSION class, or the cross-linked type macromolecule emulsion that is formed by ethyl propenoate, methacrylic acid copolymerization.
The present invention is a base-material by the carbon dust with conduction, assistant makes it to organically combine with other raw material, and apply or be fused on the packing base material, can give electrostatic-proof function on the packing base material, because carbon powder material is very easy to obtain, and it is cheap, therefore, the present invention compares with existing antistatic packaging material, its production cost reduces greatly, simultaneously owing to the content of carbon in coating or the interfused conductive polymer coating is adjustable within the specific limits, so the surface resistivity of final molding product also can be according to product needed 10
3-10
12Between regulate.Preparation technology of the present invention is simple, only need be coated on substrate surface or through pyroprocessing polymkeric substance fully be combined with frosting at following deployed conductive polymers of base material fusing point, and dry back conductive polymers can be fused to substrate surface.Wherein the conductive polymer coating carbon content is below 5%, and along with carbon content after the improvement of dispersion technology and equipment can constantly descend, makes that cost is more and more lower, has comparatively application prospects.
Description of drawings
Fig. 1 is the section of structure of base material coating among the present invention or fusion one deck conductive polymers;
Fig. 2 applies or fuses the section of structure of two-layer conductive polymers for base material among the present invention.
Embodiment
The invention provides simple, the with low cost and conductive effect ideal conductive polymers wrapping material of a kind of making.It is to make full use of the conductive characteristic that carbon has, and it is combined with other composition, make it formation one conductive layer agglomerated together, and adopt coating or amalgamation mode to be placed on the packing substrate surface, make it to form screen layer, give wrapping material with anti-static function.Described application pattern is directly conductive polymer coating to be covered in the packing substrate surface, utilizes the bond properties that component is had in its polymer layer, forms the conductive surface coating.Fusion method is to utilize equipment will pack substrate surface earlier to heat to the criticality that is lower than fusing point, then conductive polymer coating is covered in the packing substrate surface, bag substrate surface and conductive polymer coating are fully merged, both can be bonded together the cooling back securely, the carrying out of being convenient to subsequent technique is (as the punch process of being undertaken by packing of product form, can prevent between layer and the layer time to separate or come off in processing), further improve the wrapping material quality.
Conductive polymer coating of the present invention is made of the weight percent of following material: described conductive polymer coating is made of the weight percent of following material: carbon dust 0.5-10%, polyamine fat 40-60%, additive 15-50%, solvent 15-40%.Wherein additive is made of dispersion agent, coupling agent, thinner, thickening material, and wherein dispersion agent is 2-10%, coupling agent 0.5-5%, thinner 12-30%, thickening material 0.5-5%.
Main raw material of the present invention adopts carbon dust, and this is a kind of good and cheap and use very general material, and the main conductive compositions that is used for conductive polymers is a carbon dust institute carbon contg particle, has conducting function.Polyamine fat is to be main raw material with polyether glycol and polyisocyanates, make with multiple auxiliary agent hybrid reaction, can be used as thermal insulation material, elastomerics, cushioning material, coating, tackiness agent etc., become in recent years with fastest developing speed, use face is the widest, the chemical materials gazed at of common people the most.The present invention is a binding agent with polyamine fat, is base-material with the carbon dust, add above-mentioned other additive and solvent again after, it is good to form rebound resilience, has conducting function preferably, acid-and base-resisting, brine corrosion, the polymkeric substance that performance is very stable can adhere to the surface of packing base material simultaneously securely.
Carbon dust can adopt particulate to nano-scale particle, and its particle diameter is 1nm-1um.Because the surface action of nano-sized carbon particle can be very strong, make the caking of very easily reuniting between each nano-sized carbon particle, can cause carbon skewness in the conductive polymer coating, reduce the antistatic performance of wrapping material.And dispersion agent is a kind of interfacial agent that has lipophilicity and two kinds of opposite nature of wetting ability at intramolecularly simultaneously.But homogeneous disperses those inorganic, organic solid particulates that is difficult to be dissolved in liquid, also can prevent the sedimentation and the cohesion of solid particulate simultaneously, and it is required to form stable suspension.Therefore in conductive polymer coating, add the dispersion agent nano carbon particle in the dispersion liquid preferably.The present invention disperses protective material to adopt polyvinylpyrrolidone (PVP), alkyl sulfhydryl (RSH), oleic acid or palmitinic acid etc., and they have good dispersiveness and consistency.
Coupling agent can improve and organic consistency and water resistance, strengthens the mechanical propertys such as anti-impact force of goods.At present the coupling agent on the domestic market is based on silane coupling agent and titanate coupling agent, and wherein long chain silane coupling agent can make that more organic materials has high tenacity and internal stress is lower, and the thermotolerance little effect that descends.
Thinner can reduce the pin bubble of material surface or increase the surperficial levelling of material, be applicable to and regulate viscosity, thickness, under the thinner effect, can make product form transparent hydration gel matrix, also styling can be arranged simultaneously, can guarantee that conductive polymer coating is uniformly distributed in the packing substrate surface.
Thickening material is used to improve the product viscosity or forms gel, is the high one's share of expenses for a joint undertaking compound of wetting ability, and excellent storage stability has good thickening and rheological property.Thickening material can improve the physicals or the structural state of polymkeric substance, and can improve the smoothness of product and keep good elasticity.
Solvent of the present invention adopts water solvent or organic solvent, and wherein water solvent can adopt ordinary tap water, distilled water, pure water or deionized water; Organic solvent is Virahol, vinyl acetic monomer, butanone or ketone, alkanes and alkenes compounds.With respect to common with water as solvent, adopt distilled water, pure water or deionization water as solvent further to reduce coat-thickness, improve the quality of products.
The present invention also is added with a small amount of anti when being used for plastics film and making wrapping material, this is because base-material of the present invention is pulverous carbon dust, plastics are in its production process, the plastics film that two-layer or more heterogeneous mutual connection touches, material has adhesion and adhesivity to external world, as feel like jelly, sticking ash, the easy bonding distortion of the pressurized of filming makes people be difficult to separate, launch rete, for preventing the generation of this type of problem, can in raw material, add inorganic mineral filler, select talcum for use, diatomite or synthetic silica etc. reduce adhesive attraction by the tight contact that reduces between rete, make it to be easy to separate.In the present embodiment by weight percentage the ratio of 1-5% add anti among the conductive polymers composition, can improve smooth property and the flowability of powder under dry powder, also can make the level and smooth plentiful adhesion of filming.
Below in conjunction with specific embodiment and figure concrete analysis the present invention.
Embodiment one:
A kind of conductive polymers wrapping material comprise that base material and at least one are coated on the conductive polymer coating on the base material, it is characterized in that described conductive polymer coating is made of the weight percent of following material:
Carbon dust 5%, polyamine fat 40%, dispersion agent 5%, coupling agent 4%, thinner 20%, thickening material 1%, solvent 25%;
Base material of the present invention is selected the PS polystyrene, described polyamine fat adopts polyacrylic ester, dispersion agent is selected the PVP polyvinylpyrrolidone, described coupling agent is selected the chain alkyl Trimethoxy silane, described thinner is selected epoxy resin diluent, thickening material adopts association type polyurethanes thickening material, and solvent then selects to use deionized water.
After at first having debugged the conducting polymer composition formula, again base material is heated to the temperature that needs under the fusing point, then the conductive polymers that mixes is coated on substrate surface by coating apparatus, as shown in Figure 1, can apply one deck conductive polymer coating 1 on the base material 2, also can apply two-layer (see Fig. 2, two-layer conductive polymer coating 1 wraps base material 2).After liquid conductive polymers evenly is coated on substrate surface, and then base material carried out the shape that plastic uptake or injection moulding are machined to be needed, cool off at last, drying, make that conductive polymers is fused and be attached to substrate surface.Since the existence of carbon particles in the coating electrically conductive polymer layer, thereby given conductivity of the present invention, when needs, the base material that is coated with conductive polymer coating is processed into the needed shaped package product of packing gets final product.
Embodiment two:
A kind of conductive polymers wrapping material comprise that base material and at least one are coated on the conductive polymer coating on the base material, it is characterized in that described conductive polymer coating is made of the weight percent of following material:
Carbon dust 0.5%, polyamine fat 60%, dispersion agent 2%, coupling agent 0.5%, thinner 18%, thickening material 2.5%, solvent 16.5%.
Wherein said base material is selected the PE polyethylene, described polyamine fat adopts polypropylene, dispersion agent is selected the RSH alkyl sulfhydryl, described coupling agent is selected the chain alkyl Trimethoxy silane, described thinner is selected epoxy resin diluent, thickening material adopts the polycarboxylic acid thickening material, and solvent then selects to use distilled water.
Embodiment three:
A kind of conductive polymers wrapping material comprise that base material and at least one are coated on the conductive polymer coating on the base material, it is characterized in that described conductive polymers layer formula is as follows:
Wherein said base material is selected the PET polyterephthalate, described polyamine fat is selected isocyanic ester for use, dispersion agent is selected the PVP polyvinylpyrrolidone, described coupling agent is selected the chain alkyl Trimethoxy silane, described thinner is selected epoxy resin diluent, thickening material then adopts the cross-linked type macromolecule emulsion that is formed by ethyl propenoate, methacrylic acid copolymerization, and anti is selected talcum for use, and solvent is then selected deionized water.
Embodiment four:
A kind of conductive polymers wrapping material comprise that base material and at least one are coated on the conductive polymer coating on the base material, it is characterized in that described conductive polymers layer formula is as follows:
Carbon dust 4%, polyamine fat 45%, dispersion agent 5%, coupling agent 1%, thinner 26%, thickening material 4%, solvent 15%.
Wherein said base material is selected the PP polypropylene, described polyamine fat is selected isocyanic ester for use, dispersion agent is selected methyl-2-pyrrolidone, described coupling agent is selected vinyltriethoxysilane, described thinner is selected the Polyurethane thinner, thickening material then adopts alkali swelling ACRYLIC EMULSION, and solvent is then selected the organic solvent Virahol.
Embodiment five:
A kind of conductive polymers wrapping material comprise that base material and at least one are coated on the conductive polymer coating on the base material, it is characterized in that described conductive polymers layer formula is as follows:
Carbon dust 10%, polyamine fat 45%, dispersion agent 3%, coupling agent 1%, thinner 20%, thickening material 2%, solvent 19%.
Wherein said base material is selected the PMMA polymethylmethacrylate, described polyamine fat is selected polypropylene for use, dispersion agent is selected oleic acid, described coupling agent is selected the chain alkyl Trimethoxy silane, described thinner is selected the Polyurethane thinner, thickening material then adopts association type urethane, and solvent is then selected the organic solvent vinyl acetic monomer.
Embodiment six:
A kind of conductive polymers wrapping material comprise that base material and at least one are coated on the conductive polymer coating on the base material, it is characterized in that described conductive polymers layer formula is as follows:
Carbon dust 7%, polyamine fat 42%, dispersion agent 3%, coupling agent 1%, thinner 13%, thickening material 2%, solvent 32%.
Wherein said base material is selected the PP polypropylene, and described polyamine fat is selected polypropylene for use, and dispersion agent is selected the PVP polyethylene, described coupling agent is selected the chain alkyl Trimethoxy silane, described thinner is selected epoxy resin diluent, and thickening material then adopts pyrrolidone, and solvent is then selected deionized water.
Embodiment two in six except the conductive polymers percentage composition changes, other to produce the course of processing all identical with embodiment one, therefore also repeat no more herein.
In the present invention, owing to the content of carbon particles can be regulated within the specific limits, so the surface resistivity of final molding product also can be 10
3-10
12Between adjustable, and, so just make that cost is more and more lower along with carbon content after the improvement of dispersion technology and equipment constantly descends or even carbon content can be low to moderate below 1%.
In sum, purport of the present invention is simple, the with low cost and conductive effect ideal conductive polymers wrapping material of a kind of making.
Claims (10)
1, a kind of antistatic packaging material is characterized in that: be to pack the substrate surface coating or fusing one deck conductive polymer coating at least, described conductive polymer coating is made of the weight percent of following material:
Carbon dust 0.5-10%, polyamine fat 40-60%, additive 15-50%, solvent 15-40%.
2, antistatic packaging material according to claim 1 is characterized in that: described carbon dust be equally distributed particulate to nano-scale particle, its particle diameter is 1nm-1um.
3, a kind of antistatic packaging material according to claim 1 is characterized in that: described base material comprises PVC polyvinyl chloride, PP polypropylene, PS polystyrene, PE polyethylene, PET polyterephthalate, PU Polyurethane, PMMA polymethylmethacrylate and can form film or the frosting of sheet sheet material.
4, a kind of antistatic packaging material according to claim 1 is characterized in that: described solvent is, water solvent or organic solvent, and wherein water solvent is tap water, distilled water, pure water or deionized water; Organic solvent is Virahol, vinyl acetic monomer, butanone or ketone, alkanes and alkenes compounds.
5, antistatic packaging material according to claim 1 is characterized in that: described additive comprises dispersion agent, coupling agent, thinner, and wherein dispersion agent is 2-15%, coupling agent 0.5-10%, thinner 12.5-35%.
6, antistatic packaging material according to claim 5 is characterized in that: described additive also has anti 1-5%, or/and thickening material 0.5-5%.
7, a kind of antistatic packaging material according to claim 5 is characterized in that: described dispersion agent is one or more in PVP polyvinylpyrrolidone, methyl-2-pyrrolidone, RSH alkyl sulfhydryl, oleic acid or the palmitinic acid.
8, a kind of antistatic packaging material according to claim 5 is characterized in that: described coupling agent is chain alkyl Trimethoxy silane or vinyltriethoxysilane.
9, a kind of antistatic packaging material according to claim 5 is characterized in that: described thinner is epoxy resin diluent or Polyurethane thinner.
10, a kind of antistatic packaging material according to claim 6, it is characterized in that: described thickening material is cellulose family, polycarboxylic acid, association type polyurethanes and alkali swelling ACRYLIC EMULSION class, or the cross-linked type macromolecule emulsion that is formed by ethyl propenoate, methacrylic acid copolymerization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100080675A CN100372906C (en) | 2006-02-28 | 2006-02-28 | Antistatic packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100080675A CN100372906C (en) | 2006-02-28 | 2006-02-28 | Antistatic packaging material |
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|---|---|
| CN1807541A true CN1807541A (en) | 2006-07-26 |
| CN100372906C CN100372906C (en) | 2008-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100080675A Expired - Fee Related CN100372906C (en) | 2006-02-28 | 2006-02-28 | Antistatic packaging material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482229A (en) * | 2013-09-27 | 2014-01-01 | 中国人民解放军理工大学 | Multifunctional protection integrated storage and transport box |
| CN105819099A (en) * | 2016-06-06 | 2016-08-03 | 苏州市奎克力电子科技有限公司 | Anti-electrostatic package material and preparation method for same |
| CN107163459A (en) * | 2017-07-11 | 2017-09-15 | 合肥东恒锐电子科技有限公司 | A kind of antistatic computer fan composite |
| CN107272355A (en) * | 2017-08-07 | 2017-10-20 | 湖北远东卓越科技股份有限公司 | One kind polymerization carbon dust and preparation method thereof |
| CN108411636A (en) * | 2018-02-06 | 2018-08-17 | 天津兴华织造有限公司 | A kind of manufacturing method of antistatic, water-fast hot melt chinlon gluing buckle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19805130A1 (en) * | 1998-02-09 | 1999-08-12 | Bayer Ag | Antistatic polyurethane and elastane fibers |
| CN100443546C (en) * | 2000-04-12 | 2008-12-17 | 三光化学工业株式会社 | Antistatic composition |
-
2006
- 2006-02-28 CN CNB2006100080675A patent/CN100372906C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482229A (en) * | 2013-09-27 | 2014-01-01 | 中国人民解放军理工大学 | Multifunctional protection integrated storage and transport box |
| CN105819099A (en) * | 2016-06-06 | 2016-08-03 | 苏州市奎克力电子科技有限公司 | Anti-electrostatic package material and preparation method for same |
| CN107163459A (en) * | 2017-07-11 | 2017-09-15 | 合肥东恒锐电子科技有限公司 | A kind of antistatic computer fan composite |
| CN107272355A (en) * | 2017-08-07 | 2017-10-20 | 湖北远东卓越科技股份有限公司 | One kind polymerization carbon dust and preparation method thereof |
| CN108411636A (en) * | 2018-02-06 | 2018-08-17 | 天津兴华织造有限公司 | A kind of manufacturing method of antistatic, water-fast hot melt chinlon gluing buckle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100372906C (en) | 2008-03-05 |
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