CN102069954A - Anti-electromagnetic interference and anti-static packing material - Google Patents
Anti-electromagnetic interference and anti-static packing material Download PDFInfo
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- CN102069954A CN102069954A CN2009101939957A CN200910193995A CN102069954A CN 102069954 A CN102069954 A CN 102069954A CN 2009101939957 A CN2009101939957 A CN 2009101939957A CN 200910193995 A CN200910193995 A CN 200910193995A CN 102069954 A CN102069954 A CN 102069954A
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Abstract
The invention discloses an anti-electromagnetic interference and anti-static packing material. The packing material comprises an outer layer, an intermediate layer and an inner layer, wherein the outer layer is a non-conductive common film, namely low-density polyethylene (LDPE) with high mechanical strength and low slip agent content; the intermediate layer is a transition layer, namely a linear low-density polyethylene resin (LLDPE); and the inner layer is a conductive anti-electromagnetic interference layer and consists of the following components in percentage by weight: 0.5 to 1 percent of metal powder, 40 to 60 percent of thermoplastic polypropylene resin, 15 to 25 percent of carbon powder, 10 to 15 percent of diluting agent, 2 to 3 percent of coupling agent, 0.5 to 5 percent of slip agent, 2 to 8 percent of plasticizer, 0.3 to 0.5 percent of stabilizer, 0.1 to 0.5 percent of antioxidant and 5 to 10 percent of dispersant. The product has the advantages of high anti-static and anti-electromagnetic interference performance, wide application range, low production cost and the like, and is suitable for large-scale popularization and application.
Description
Technical field
The present invention relates to a kind of packing, be specifically related to a kind of anti-electromagnetic interference antistatic packaging material.
Background technology
In recent years, along with people to the deepening constantly of static hazard understanding, it is more and more important that antistatic packaging becomes.As everyone knows, can produce static between the insulator, when accumulation of static electricity arrives to a certain degree, run into appropriate condition, just can produce electrostatic discharge, abrupt release goes out huge energy, thereby object is caused damage.In packaging field, the various drawbacks that produce owing to static have been of common occurrence.For example: adopting the Powdered commodity sun of blister-pack,, becoming the major reason that causes packing badly broken in commodity storage, the transportation usually because the electrostatic attaction of heat sealing face causes sealing strength to descend significantly; The commodity of clear plastic wrap pack packaging when last shelf gondola sales, can reduce the transparency of packing because of electrostatic precipitation, the bandwagon effect of reduction commodity; Packing film adds man-hour printing, because the electrostatic precipitation of film can influence ratio of printing ink transfer, makes to occur flower, some printing ink on the printed matter; In addition, for electrostatic sensitivity devices such as various electronic components, integrated circuit, instrument and meters, if adopt and be easy to generate the material of static as packing, the accumulation of static electricity that produces because of friction or electromagnetic induction can produce discharge under appropriate condition, cause that product failure or subelement damage, and cause great economic loss.Estimate that according to the relevant expert China's electronic product is owing to the imperfection of antistatic packaging or lack the economic loss that causes, at least more than several ten million yuan.Therefore, carry out the correlative study of antistatic packaging and product is carried out Anti-Electrostatic Packing Design of Electronics, have important practical significance.
Chinese patent application number is CN02806720.7, name is called in " being suitable for the multi-layer packaging material that static is used ", a kind of multi-layer packaging material that is adapted to antistatic application is disclosed, this multiple-structure, at least one and static skin and a conduction sandwich layer have been comprised, though playing to a certain extent prevents, removes the effect of static, complex structure, cost are very high.
Chinese patent application number is 200610008067.5, name is called in " a kind of antistatic packaging material ", antistatic packaging material is disclosed, comprise one deck conductive polymer coating at least, conductive polymer coating is by carbon dust, Polyurethane, additive and solvent composition, though simple with material, also play a part certain static that prevents, but anti-electromagnetic interference effect is relatively poor, has restricted its application to a certain extent.
Summary of the invention
The invention provides a kind of anti-electromagnetic interference antistatic packaging material, efficiently solve the deficiency of above-mentioned technology, it is good to have antistatic, an anti-electromagnetic interference performance, long service life, advantages such as applied range.
In order to achieve the above object, realize by following proposal:
A kind of anti-electromagnetic interference antistatic packaging material, include skin, interlayer and internal layer, outer is that nonconducting common rete is the less low density polyethylene (LDPE) (LDPE) of mechanical strength height, slip agent content, interlayer is that cambic horizon is linear low density polyethylene resin (LLDPE), internal layer is the anti-electromagnetic interference layer of conduction, and promptly the anti-electromagnetic interference layer of conduction is made up of the percentage by weight of following material:
Wherein, metal powder is conductive metal powder; Carbon dust is an oil oven method conductive black; Diluent is an epoxy resin diluent; Coupling agent is an alkyl phenoxy polyoxyethylene methyldiethoxysilane; Slip agent is an erucyl amide; Plasticizer is benzoic acid one a condensed ethandiol ester; Stabilizer is a dimethyl dimercapto 2-ethyl hexyl ethanoate tin; Antioxidant is 2, the 6-BHT; Dispersing agent is a sodium metnylene bis-naphthalene sulfonate.
More excellent, a kind of anti-electromagnetic interference antistatic packaging material, its internal layer promptly conduct electricity anti-electromagnetic interference layer to be made up of the percentage by weight of following material:
Described epoxy resin diluent be in phenmethylol, ethanol, acetone, butanols, the dibutyl ester any one.
A kind of anti-electromagnetic interference antistatic packaging material may further comprise the steps:
A, according to above-mentioned prescription metal powder and thermoplastic polypropylene resin are put into container and mix, add carbon dust, diluent, coupling agent, slip agent, plasticizer, stabilizer, antioxidant, dispersing agent more successively, fully stirred 10～20 minutes;
B, above-mentioned material join double screw extrusion machine after fully stirring, and are squeezed into the anti-electromagnetic interference material of granular conduction, and granulation section temperature is 120～140 ℃, and particle diameter is 0.1cm to 0.3cm;
C, with the anti-electromagnetic interference material of granular conduction, put into blow moulding machine, behind the blown film, promptly obtain internal layer and promptly conduct electricity anti-electromagnetic interference layer material;
D, with skin, interlayer and inner layer material, compound through three layers of dry method, promptly obtain anti-electromagnetic interference antistatic packaging material.
The present invention adds conductive metal powder in the polyethylene foil of low temperature resistant easy heat-sealing and chemicals-resistant erosion, antistatic agent, the anti-electromagnetic interference, the antistatic macromolecule compound package material that make need not to be coated with the AC agent, obtain desirable combined strength bination and premium properties antistatic, anti-electromagnetic interference.
Product material applied range of the present invention can be widely used in fields such as chemical products, electronics package product, war products packing.
The specific embodiment
The invention will be further described below in conjunction with example, but the present invention is not limited only to this example:
Embodiment one
The first step: (all component amounts to 100 parts with 1 part of conductive metal powder, every part 1000 gram, down with) and the thermoplastic polypropylene resin put into container for 55 parts and mix, add 16 parts of oil oven method conductive blacks, 12 parts of ethanol, 2 parts of alkyl phenoxy polyoxyethylene methyldiethoxysilane, 3 parts of erucyl amides, 3 parts of benzoic acid one condensed ethandiol esters, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 0.5,2 more successively, 6 parts of 6-BHT 0.5, sodium metnylene bis-naphthalene sulfonates fully stirred 15 minutes;
Second step: above-mentioned material joins double screw extrusion machine after fully stirring, and is squeezed into the anti-electromagnetic interference material of granular conduction, and granulation section temperature is 120～140 ℃, and particle diameter is 0.1cm to 0.3cm;
The 3rd step: with the anti-electromagnetic interference material of granular conduction, put into blow moulding machine, behind the blown film, promptly obtain internal layer and promptly conduct electricity anti-electromagnetic interference layer material;
The 4th step: with nonconducting common rete is the inner layer material that mechanical strength height, slip agent content less low density polyethylene (LDPE) (LDPE) skin, linear low density polyethylene resin (LLDPE) interlayer and above-mentioned steps make, compound through three layers of dry method, promptly obtain anti-electromagnetic interference antistatic packaging material.
Embodiment two
The first step: (all component amounts to 100 parts with 1 part of conductive metal powder, every part 1000 gram, down with) and the thermoplastic polypropylene resin put into container for 51 parts and mix, add 0.5 part of 15 parts of oil oven method conductive black, 14 parts of dibutyl esters, 3 parts of alkyl phenoxy polyoxyethylene methyldiethoxysilane, 4 parts of erucyl amides, 3 parts of benzoic acid one condensed ethandiol esters, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, 2 more successively, 0.5 part of 6-BHT, 8 parts of sodium metnylene bis-naphthalene sulfonates fully stirred 15 minutes;
Second step: above-mentioned material joins double screw extrusion machine after fully stirring, and is squeezed into the anti-electromagnetic interference material of granular conduction, and granulation section temperature is 120～140 ℃, and particle diameter is 0.1cm to 0.3cm;
The 3rd step: with the anti-electromagnetic interference material of granular conduction, put into blow moulding machine, behind the blown film, promptly obtain internal layer and promptly conduct electricity anti-electromagnetic interference layer material;
The 4th step: with nonconducting common rete is the inner layer material that mechanical strength height, slip agent content less low density polyethylene (LDPE) (LDPE) skin, linear low density polyethylene resin (LLDPE) interlayer and above-mentioned steps make, compound through three layers of dry method, promptly obtain anti-electromagnetic interference antistatic packaging material.
Embodiment one, embodiment two detect effect and see the following form:
| Embodiment | Surface resistivity | Electrostatic attenuation | The electromagnetic interference decay |
| One | 0.9×10 6Ω | 0.01S | 46dB |
| Two | 0.8×10 6Ω | 0.005S | 56dB |
As can be seen from the above table, product of the present invention is good in surface resistivity, electrostatic attenuation, electromagnetic interference decay index, possesses and has antistatic, anti-electromagnetic interference performance preferably.
Above content is preferred embodiment of the present invention only, and for those of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (4)
1. anti-electromagnetic interference antistatic packaging material, include skin, interlayer and internal layer, outer is that nonconducting common rete is the less low density polyethylene (LDPE) (LDPE) of mechanical strength height, slip agent content, interlayer is that cambic horizon is linear low density polyethylene resin (LLDPE), internal layer is the anti-electromagnetic interference layer of conduction, it is characterized in that: described internal layer promptly conducts electricity anti-electromagnetic interference layer to be made up of the percentage by weight of following material:
Wherein, metal powder is conductive metal powder; Carbon dust is an oil oven method conductive black; Diluent is an epoxy resin diluent; Coupling agent is an alkyl phenoxy polyoxyethylene methyldiethoxysilane; Slip agent is an erucyl amide; Plasticizer is benzoic acid one a condensed ethandiol ester; Stabilizer is a dimethyl dimercapto 2-ethyl hexyl ethanoate tin; Antioxidant is 2, the 6-BHT; Dispersing agent is a sodium metnylene bis-naphthalene sulfonate.
2. a kind of anti-electromagnetic interference antistatic packaging material according to claim 1 is characterized in that: described internal layer promptly conducts electricity anti-electromagnetic interference layer to be made up of the percentage by weight of following material:
3. a kind of anti-electromagnetic interference antistatic packaging material according to claim 1, it is characterized in that: described epoxy resin diluent is any one in phenmethylol, ethanol, acetone, butanols, the dibutyl ester.
4. a kind of anti-electromagnetic interference antistatic packaging material according to claim 1, it is characterized in that: it may further comprise the steps:
A, according to above-mentioned prescription metal powder and thermoplastic polypropylene resin are put into container and mix, add carbon dust, diluent, coupling agent, slip agent, plasticizer, stabilizer, antioxidant, dispersing agent more successively, fully stirred 10～20 minutes;
B, above-mentioned material join double screw extrusion machine after fully stirring, and are squeezed into the anti-electromagnetic interference material of granular conduction, and granulation section temperature is 120～140 ℃, and particle diameter is 0.1cm to 0.3cm;
C, with the anti-electromagnetic interference material of granular conduction, put into blow moulding machine, behind the blown film, promptly obtain internal layer and promptly conduct electricity anti-electromagnetic interference layer material;
D, with skin, interlayer and inner layer material, compound through three layers of dry method, promptly obtain anti-electromagnetic interference antistatic packaging material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101939957A CN102069954B (en) | 2009-11-19 | 2009-11-19 | Anti-electromagnetic interference and anti-static packing material |
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| CN2009101939957A CN102069954B (en) | 2009-11-19 | 2009-11-19 | Anti-electromagnetic interference and anti-static packing material |
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| CN102069954B CN102069954B (en) | 2012-05-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102851412A (en) * | 2012-09-28 | 2013-01-02 | 郑州科信化工有限公司 | Leather fatting agent |
| CN103613851A (en) * | 2013-10-22 | 2014-03-05 | 安徽省忠宏管业科技有限公司 | PPR pipe having high ageing resistance and manufacturing method thereof |
| CN103951879A (en) * | 2014-04-12 | 2014-07-30 | 安徽江威精密制造有限公司 | Composite isotatic polypropylene capacitor metallized thin film, and preparation method thereof |
| CN104844904A (en) * | 2015-05-08 | 2015-08-19 | 芜湖航天特种电缆厂 | High-temperature-resistant wave-proof sleeve |
| CN106189593A (en) * | 2016-07-26 | 2016-12-07 | 吉翔宝（太仓）离型材料科技发展有限公司 | A kind of high shielding, fire-retardant FPI release paper and preparation method thereof |
| CN107009690A (en) * | 2017-03-29 | 2017-08-04 | 广西点图包装有限公司 | A kind of anti-electromagnetic interference antistatic packaging material |
| CZ307471B6 (en) * | 2011-08-19 | 2018-10-03 | Invos, Spol. S R. O. | Packaging film with antioxidant effects |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124204A (en) * | 1994-12-05 | 1996-06-12 | 郑州市兰特华侨应用技术公司 | Hot sealing, anti-static composite soft packing material and its preparing method |
| CN100516134C (en) * | 2006-12-19 | 2009-07-22 | 江门市科恒实业股份有限公司 | Conductive plastic material and its preparation method and application |
-
2009
- 2009-11-19 CN CN2009101939957A patent/CN102069954B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ307471B6 (en) * | 2011-08-19 | 2018-10-03 | Invos, Spol. S R. O. | Packaging film with antioxidant effects |
| CN102851412A (en) * | 2012-09-28 | 2013-01-02 | 郑州科信化工有限公司 | Leather fatting agent |
| CN103613851A (en) * | 2013-10-22 | 2014-03-05 | 安徽省忠宏管业科技有限公司 | PPR pipe having high ageing resistance and manufacturing method thereof |
| CN103613851B (en) * | 2013-10-22 | 2016-03-02 | 安徽省忠宏管业科技有限公司 | A kind of PPR pipe of high anti-ageing and manufacture method thereof |
| CN103951879A (en) * | 2014-04-12 | 2014-07-30 | 安徽江威精密制造有限公司 | Composite isotatic polypropylene capacitor metallized thin film, and preparation method thereof |
| CN104844904A (en) * | 2015-05-08 | 2015-08-19 | 芜湖航天特种电缆厂 | High-temperature-resistant wave-proof sleeve |
| CN106189593A (en) * | 2016-07-26 | 2016-12-07 | 吉翔宝（太仓）离型材料科技发展有限公司 | A kind of high shielding, fire-retardant FPI release paper and preparation method thereof |
| CN107009690A (en) * | 2017-03-29 | 2017-08-04 | 广西点图包装有限公司 | A kind of anti-electromagnetic interference antistatic packaging material |
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| CN102069954B (en) | 2012-05-23 |
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