CN103015270B - There is the wrapping paper of electro-magnetic screen function and there is the release liners of electro-magnetic screen function - Google Patents
There is the wrapping paper of electro-magnetic screen function and there is the release liners of electro-magnetic screen function Download PDFInfo
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- CN103015270B CN103015270B CN201110294211.7A CN201110294211A CN103015270B CN 103015270 B CN103015270 B CN 103015270B CN 201110294211 A CN201110294211 A CN 201110294211A CN 103015270 B CN103015270 B CN 103015270B
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Abstract
The invention discloses and a kind of there is the wrapping paper of electro-magnetic screen function and a kind of release liners with electro-magnetic screen function, the described wrapping paper with electro-magnetic screen function is provided with base stock and plastic layer, the described release liners with electro-magnetic screen function is provided with base stock, plastic layer and parting agent layer, wherein, described there is electro-magnetic screen function wrapping paper and the described plastic layer with the release liners of electro-magnetic screen function all adopt conductive polymer membrane to substitute conventional P E film, described conductive polymer membrane can be polyacetylene film or polythiophene film, and between conductive polymer membrane and base stock, add adhesion coating, both the defect that conventional P E film does not have electro-magnetic screen function had been solved, solve again the problem that between conductive polymer membrane and base stock, cohesiveness is bad.
Description
Technical field
The invention belongs to composite sheet field, relate generally to a kind of wrapping paper and the release liners with electro-magnetic screen function.
Background technology
Be generally used for the food containers of waterproof leakproof, wrapping paper and the grease proofing paper using of various moistureproof and waterproof (as dixie cup, mess tin etc.) be PE (polyethylene) leaching membrane paper, as matrix using paper, take special technique, above LDPE (low density polyethylene (LDPE)) plastics are attached to, the composite sheet formed, does not possess electro-magnetic screen function.
Release liners, also known as silicone oil paper or separate paper, divides according to raw material and has Ge Laxin release liners, polyethylene film release liners (PEK) and kaolin to be coated with release liners three major types.Wherein polyethylene film release liners is because advantages such as its DIMENSIONAL STABILITY, produce in a large number, and at adhesive tape, the industries such as advertisement widely uses in China, and the diaphragm that wherein electronics cross cutting industry is used almost whole or major part uses PEK release liners.
Conducting polymer, refers to by means such as doping, can make the polymer of electrical conductivity within the scope of semiconductor and conductor.Be often referred to intrinsic conducting polymer, containing singly-bound alternately and double bond on this base polymer main chain, thus define large conjugated pi system.The flowing of pi-electron creates the possibility of conduction.Conducting polymer electrical conductivity not through doping treatment is very low, belongs to insulator.Conducting polymer has the characteristic of antistatic, therefore may be used for electromagnetic shielding.Traditional electromagnetic shielding material mostly is copper or aluminium foil, although they have good shield effectiveness, and Heavy Weight, expensive.Conducting polymer has almost same performance in electromagnetic shielding, and have cost low, broad area device, the advantage such as easy to use can be made, therefore be a kind of ideal substitute of traditional electrical magnetic shielding material, can be used on such as computer floor, mobile phone, television set, computer and pacemaker.
Under the preparation of some special electronic device and environment for use, such as computer floor, mobile phone, television set, computer etc., particularly electron medical treatment device, as in the environments for use such as pacemaker, CT Room, operating room, require that environment has electro-magnetic screen function, in case the use of faint electromagnetic effect electronic equipment, or affect test result and then bring the injury that cannot repair to patient, causing of more having is on fire, blast etc., above-mentioned environment all requires the room of electronic shield function, and the instrument used together with related medical device has electronic shield function.In these environment, adhesive sticker product is also widely applied, but because adhesive sticker product is paper and thin polymer film series products mostly, does not have the function of electromagnetic shielding.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides and a kind of there is the wrapping paper of electro-magnetic screen function and a kind of release liners with electro-magnetic screen function, which solve the defect that Traditional Packing paper and release liners do not have electro-magnetic screen function, and structure is simple, easy to implement.
The present invention in order to the technical scheme solving its technical problem and adopt is:
Have a wrapping paper for electro-magnetic screen function, be provided with base stock and plastic layer, described plastic layer is conductive polymer membrane, is provided with adhesion coating between described base stock and described conductive polymer membrane, the bonding described base stock of described adhesion coating and described conductive polymer membrane.Described conductive polymer membrane is polyacetylene film or polythiophene film.
The wrapping paper with electro-magnetic screen function of the present invention adopts the conductive polymer membrane with electro-magnetic screen function to substitute conventional P E film, and between conductive polymer membrane and base stock, add adhesion coating, both solve the defect that conventional P E film does not have electro-magnetic screen function, solve again the problem that between conductive polymer membrane and base stock, cohesiveness is bad.
According to application range of products needs, described conductive polymer membrane can establish one deck, and adheres on a surface of described base stock by described adhesion coating, is formed and singly moulds the wrapping paper with electro-magnetic screen function; Described conductive polymer membrane also can be established two-layer, and adheres on two relative surfaces of described base stock respectively by described adhesion coating, and formation is two moulds the wrapping paper with electro-magnetic screen function.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described conductive polymer membrane is 5 ~ 50 μm.
A kind of release liners with electro-magnetic screen function, be provided with base stock, plastic layer and parting agent layer, described plastic layer is conductive polymer membrane, adhesion coating is provided with between described base stock and described conductive polymer membrane, the bonding described base stock of described adhesion coating and described conductive polymer membrane, described parting agent layer is coated on described conductive polymer membrane.Described conductive polymer membrane is polyacetylene film or polythiophene film.
The release liners with electro-magnetic screen function of the present invention adopts the conductive polymer membrane with electro-magnetic screen function to substitute conventional P E film, and between conductive polymer membrane and base stock, add adhesion coating, both solve the defect that conventional P E film does not have electro-magnetic screen function, solve again the problem that between conductive polymer membrane and base stock, cohesiveness is bad.
According to application range of products needs, described conductive polymer membrane can establish one deck, and adhered on a surface of described base stock by described adhesion coating, and parting agent layer is coated with on described conductive polymer membrane, formed and singly mould the release liners that isolated type has electro-magnetic screen function; Described conductive polymer membrane also can be established two-layer, and adhere on two relative surfaces of described base stock respectively by described adhesion coating, and parting agent layer is coated with on one deck or two-layer described conductive polymer membrane, formed and two mould isolated type or twoly mould two release release liners with electro-magnetic screen function.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described conductive polymer membrane is 5 ~ 50 μm.
The invention has the beneficial effects as follows: the wrapping paper with electro-magnetic screen function of the present invention all adopts conductive polymer membrane to substitute conventional P E film with the plastic layer of the release liners with electro-magnetic screen function, described conductive polymer membrane can be polyacetylene film or polythiophene film, and between conductive polymer membrane and base stock, add adhesion coating, both solve the defect that conventional P E film does not have electro-magnetic screen function, solve again the problem that between conductive polymer membrane and base stock, cohesiveness is bad.
Accompanying drawing explanation
Fig. 1 is the wrapping paper structural representation (singly to mould the wrapping paper that isolated type has electro-magnetic screen function) with electro-magnetic screen function of the present invention;
Fig. 2 is the release liners structural representation (moulding two release release liners with electro-magnetic screen function for two) with electro-magnetic screen function of the present invention.
Detailed description of the invention
Embodiment 1: a kind of wrapping paper A with electro-magnetic screen function, be provided with base stock A1 and plastic layer, described plastic layer is conductive polymer membrane A2, is provided with adhesion coating A3 between described base stock and described conductive polymer membrane, the bonding described base stock of described adhesion coating and described conductive polymer membrane.Described conductive polymer membrane is polyacetylene film or polythiophene film.The wrapping paper with electro-magnetic screen function of the present invention adopts the conductive polymer membrane with electro-magnetic screen function to substitute conventional P E film, and between conductive polymer membrane and base stock, add adhesion coating, both solve the defect that conventional P E film does not have electro-magnetic screen function, solve again the problem that between conductive polymer membrane and base stock, cohesiveness is bad.
According to application range of products needs, described conductive polymer membrane can establish one deck, and adheres on a surface of described base stock by described adhesion coating, is formed and singly moulds the wrapping paper with electro-magnetic screen function, as shown in Figure 1; Described conductive polymer membrane also can be established two-layer, and adheres on two relative surfaces of described base stock respectively by described adhesion coating, and formation is two moulds the wrapping paper with electro-magnetic screen function.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described conductive polymer membrane (conductive polymer membrane) is 5 ~ 50 μm.
Described base stock can be brown paper, cultural paper or art paper etc.
High temperature wrapping paper of the present invention can be obtained by following method: the one side such as brown paper, cultural paper or art paper adopts the method being coated with fabric aqueous (emulsion) polyolefin (polyethylene or polypropylene), then composite conductive polymer film, then through oven for drying moisture, the wrapping paper with electro-magnetic screen function is made.
The wrapping paper with electro-magnetic screen function of the present invention can be widely used in the various ground having the wrapping paper of electromagnetic shielding demand or the release liners of adhesive sticker industry, or increase ink layer realizes printing functionality thereon.
Embodiment 2: a kind of release liners B with electro-magnetic screen function, be provided with base stock B1, plastic layer and parting agent layer B4, described plastic layer is conductive polymer membrane B2, adhesion coating B3 is provided with between described base stock and described conductive polymer membrane, the bonding described base stock of described adhesion coating and described conductive polymer membrane, described parting agent layer is coated on described conductive polymer membrane.Described conductive polymer membrane is polyacetylene film or polythiophene film.The release liners with electro-magnetic screen function of the present invention adopts the conductive polymer membrane with electro-magnetic screen function to substitute conventional P E film, and between conductive polymer membrane and base stock, add adhesion coating, both solve the defect that conventional P E film does not have electro-magnetic screen function, solve again the problem that between conductive polymer membrane and base stock, cohesiveness is bad.
According to application range of products needs, described conductive polymer membrane can establish one deck, and adhered on a surface of described base stock by described adhesion coating, and parting agent layer is coated with on described conductive polymer membrane, formed and singly mould the release liners that isolated type has electro-magnetic screen function; Described conductive polymer membrane also can be established two-layer, and adhere on two relative surfaces of described base stock respectively by described adhesion coating, and parting agent layer is coated with on one deck or two-layer described conductive polymer membrane, formed and two mould isolated type or twoly mould the release liners that two release (as shown in Figure 2) has electro-magnetic screen function.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described conductive polymer membrane (conductive polymer membrane) is 5 ~ 50 μm.
Described base stock can be brown paper, cultural paper or art paper etc.
The release liners with electro-magnetic screen function of the present invention can be obtained by following method: brown paper, cultural paper or art paper etc., one side adopts the method being coated with fabric aqueous (emulsion) polyolefin (polyethylene or polypropylene), or two sides all adopts the method being coated with fabric aqueous (emulsion) polyolefin (polyethylene or polypropylene), composite conductive polymer film, then moisture is dried, on conductive polymer membrane, coat mould release again, make the release liners with electro-magnetic screen function.
The present invention invention the release liners with electro-magnetic screen function can be widely used in various have the label of electromagnetic shielding demand, industrial gummed tape, medical proof fabric, industrial adhesive sticker and other various antiseized or intercept paper using.
Above-mentioned description and embodiment are only exemplary illustration principle of the present invention and effect thereof, are not limitations of the present invention, and any creation fallen within the scope of the claims in the present invention all belongs to the scope that the present invention protects.
Claims (2)
1. one kind has the wrapping paper (A) of electro-magnetic screen function, be provided with base stock (A1) and plastic layer, it is characterized in that: described plastic layer is conductive polymer membrane (A2), adhesion coating (A3) is provided with between described base stock and described conductive polymer membrane, the bonding described base stock of described adhesion coating and described conductive polymer membrane, described conductive polymer membrane is the one in polyacetylene film and polythiophene film, described adhesion coating is aqueous polyethylene coating layer or aqueous polyacrylamide coating layer, the thickness of described adhesion coating is 0.1 ~ 10 μm, the thickness of described conductive polymer membrane is 5 ~ 50 μm.
2. one kind has the release liners (B) of electro-magnetic screen function, be provided with base stock (B1), plastic layer and parting agent layer (B4), it is characterized in that: described plastic layer is conductive polymer membrane (B2), adhesion coating (B3) is provided with between described base stock and described conductive polymer membrane, the bonding described base stock of described adhesion coating and described conductive polymer membrane, described parting agent layer is coated on described conductive polymer membrane, described conductive polymer membrane is the one in polyacetylene film and polythiophene film, described adhesion coating is aqueous polyethylene coating layer or aqueous polyacrylamide coating layer, the thickness of described adhesion coating is 0.1 ~ 10 μm, the thickness of described conductive polymer membrane is 5 ~ 50 μm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294211.7A CN103015270B (en) | 2011-09-28 | 2011-09-28 | There is the wrapping paper of electro-magnetic screen function and there is the release liners of electro-magnetic screen function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294211.7A CN103015270B (en) | 2011-09-28 | 2011-09-28 | There is the wrapping paper of electro-magnetic screen function and there is the release liners of electro-magnetic screen function |
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| CN103015270A CN103015270A (en) | 2013-04-03 |
| CN103015270B true CN103015270B (en) | 2015-10-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103747664A (en) * | 2013-11-20 | 2014-04-23 | 昆山市魔方广告传媒有限公司 | Electromagnetic shielding advertisement sticker |
| CN108867197B (en) * | 2018-07-06 | 2019-12-13 | 苏州鑫澈电子有限公司 | preparation method of electromagnetic shielding composite paper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2846320Y (en) * | 2005-09-19 | 2006-12-13 | 周正刚 | Multilayer composite edible salt package material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560362A (en) * | 2004-02-16 | 2005-01-05 | 张鑫炎 | Degradable wrapping paper |
| CN201553948U (en) * | 2009-11-05 | 2010-08-18 | 上海绿新包装材料科技股份有限公司 | Polyethylene coating paper |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2846320Y (en) * | 2005-09-19 | 2006-12-13 | 周正刚 | Multilayer composite edible salt package material |
Non-Patent Citations (1)
| Title |
|---|
| 导电性塑料薄膜;周祥兴;<<中国包装工业>>;20020331(第93期);第42－44页 * |
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Address after: Suzhou City, Jiangsu province 215312 Kunshan City Shipai town rise Light Road No. 806 Patentee after: Jiangsu Futai coating Polytron Technologies Inc Address before: Suzhou City, Jiangsu province 215312 Kunshan City Shipai town on the west side of the road or light Patentee before: Formula (Kunshan) Coating Technology Co.,Ltd. |