CN201761759U - Novel cold forming easy-peeling film - Google Patents
Novel cold forming easy-peeling film Download PDFInfo
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- CN201761759U CN201761759U CN2010201731285U CN201020173128U CN201761759U CN 201761759 U CN201761759 U CN 201761759U CN 2010201731285 U CN2010201731285 U CN 2010201731285U CN 201020173128 U CN201020173128 U CN 201020173128U CN 201761759 U CN201761759 U CN 201761759U
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Abstract
The utility model relates to a novel cold forming easy-peeling film, which belongs to the technical field of package materials and is characterized in that the novel cold forming easy-peeling film comprises a structure with four layers sequentially comprising a printing layer (1), a gluing layer (2), a blocking layer (3) and a hot sealing layer (4) from outside to inside, wherein the printing layer (1) is a PET (polyethylene terephthalate) or PP (Propene Polymer) or NY (nylon) film layer, the blocking layer (3) is an aluminium foil layer, and the hot sealing layer (4) is a vinyl glue water layer. The novel cold forming easy-peeling film of the utility model has the advantages of strong blocking performance, wide hot sealing window and stable hot sealing intensity, can be subjected to cold forming and long-time high-temperature vacuum sterilization, and is easy to peel, and a hot sealing peeling surface is clean and free of broken filament.
Description
(1) technical field
The utility model relates to a kind of novel cold forming process and easily takes off film, is mainly used in the packing of food, Medications and Medical Equipments.Belong to field of packaging material.
(2) background technology
In the past, people often found that the commodity bundle pack was difficult to open in the current consumption process, or in some cup packings, epiphragma and cup all are " dead envelopes ", are difficult to epiphragma is opened or the like from cup, and suchlike situation is made troubles to the customer.And manufacturer all slowly pays close attention to this problem in recent years, and the packing of product is hommization more and more, therefore easily opens packing and has also become one of fashion trend of flexible packaging industry in recent years.According to the difference of opening ways, easily open packing and divide easy-tear type and easily take off (easily peeling off) type.Easy-tear type is mainly realized by the mode of beating tearing port, tear line or easily tearing complex film in packaging bag; And easily take off packing, and mainly be the heat seal strength of controlling packet package material, make and can play the leak free effect behind the packing involution, can destroy heat-sealing with its strip off with very little power again.
What use was more in the present industry is the uncompatibility of utilizing PB-1 and PE molecular structure, and blending PB-1 particle blown film obtains the PE film of modification in the PE pellet, and then is combined into the complex film of different structure as required.This kind technology has several shortcomings: 1. many one blown film operations make the overall product cost to increase; 2. the difficult control of PB-1 modified PE membrane process, the characteristic of film-blowing process is promptly unbalanced to performance in length and breadth to the draft ratio film that causes inequality in length and breadth in the sheet blowing process in addition.This is all multifactorly to make the PE film after the modification differ greatly to heat seal strength in length and breadth, so influence whole complex film easily peel off effect.3. for some special products, as the packing of suppository, after the suppository moulding in the process of hot canning and heat-sealing, the PE film is scraped by canned device easily and is taken off and influence the heat-sealing effect, scrapes the PE film that takes off when serious to be mixed in the product, influences product safety.The more easy peelable material of another kind of use is ethylene copolymer complex films such as EVA, EAA, utilizes its same PE, PP, and PS, the compatibility of PVC etc., as PE, PP, PS, the easy peel-off covers material of cups such as PVC.
More than two class materials, can be used to bag etc. after the former modified PE film is made complex film, heat-sealable way is self-styled; The latter uses EVA, and the complex film that EAA etc. make is mainly used in and covers material, and heat-sealable way is with other cup materials PE, PP, PS, involutions such as PVC.The target heat-sealable way of this utility model is identical with the former, and at first requirement can be self-styled, and then satisfies other concrete requirement of client.
In food, medicine, medical package field, many products are arranged, because shape of product proterties, the needs of manner of packing, it can carry out to a certain degree cold forming process all to require packing, has the barrier property higher than thermoforming material commonly used again, the heat-sealing window is wide, heat seal strength stable, can carry out long-time high-temperature vacuum sterilization, have easily the characteristic of taking off (easily peeling off) simultaneously, the heat-sealing release surface does not totally have lousiness.Conventional membraneous material is difficult to reach above-mentioned requirements.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provide that a kind of barrier property is strong, cold-formable, can carry out long-time high-temperature vacuum sterilization, novel cold forming process that the heat-sealing window is wide, heat seal strength stable, easily take off and seal release surface does not totally have a lousiness easily takes off film.
The purpose of this utility model is achieved in that a kind of novel cold forming process easily takes off film, and it is characterized in that: it comprises four-layer structure, is followed successively by from outside to inside: printed layers, bonding coat, barrier layer and hot sealing layer; Described printed layers is PET or PP or NY thin layer; Described barrier layer is an aluminium foil layer; Described hot sealing layer is the vinyl glue layer.
The advantage that film is easily taken off in a kind of novel cold forming process of the utility model is:
1) the heat-sealing window is very wide, can seal under 100 ℃～190 ℃ temperature, and can reach stable heat-sealing effect.
2) peel off the effect equilibrium after the heat-sealing, under the heat-sealing window that allows, peel strength can not change with heat-sealing temperature, and promptly heat seal strength is stable.
Whether 3) heat-seal land is peeled off clean the no lousiness in back, and color is turned white and is different from not heat-seal land, therefore peels off effect after the heat-sealing and just can directly find out to have do not have void to seal, seal good.
4) can follow needs to carry out difform cold forming process, can be used for food according to the client, medicine (as suppository, capsule, tablet etc.), medicine equipment (as, surgical thread, scalpel etc.) packing, after the printing, good looking appearance can effectively improve value-added content of product.
5) 11 hours high temperature alcohol vapour vacreation of ability.
(4) description of drawings
Fig. 1 easily takes off the section structure scheme drawing of film for a kind of novel cold forming process of the utility model.
Among the figure:
Printed layers 1, bonding coat 2, barrier layer 3, hot sealing layer 4.
(5) specific embodiment
Referring to Fig. 1, film is easily taken off in a kind of novel cold forming process that the utility model relates to, and it is made up of four-layer structure, is followed successively by from outside to inside: printed layers 1, bonding coat 2, barrier layer 3 and hot sealing layer 4;
Described printed layers 1 is PET or PP or NY thin layer, seal or surface printing in can doing, and as supporting layer assistance aluminium foil drawing and forming;
Described barrier layer 3 is an aluminium foil layer; Aluminum foil thickness 20 μ m～60 μ m because of the increase with aluminum foil thickness of the extensibility of aluminium foil increases, therefore in concrete use, can determine the thickness of aluminium foil according to client machine and product to the material extending performance demands.
Described hot sealing layer 4 is the vinyl hot melt adhesive.Glue application amount 4g/m2～8g/m2; The vinyl hot melt adhesive can be through filler modified, and filler is inorganic filler, and as french talc, silicon dioxide and/or calcium carbonate, the addition of filler can be adjusted the requirement of heat seal strength according to the client.
Concrete method for making:
Mainly need through printing, compound, coating three process.And printing is printed or surface printing in can selecting the requirement of material appearance or virtual package technology according to the client.In addition, generally the glass temperature of vinyl glue is lower, contacts deflector roll or causes the glue roll banding during as if the process baking oven, and this has just limited the glue application operation can only arrive operation as last that produce.Consider above each factor, produce the adoptable operational path of this material and mainly contain several:
Operational path 1:
Film table seal → printing film and aluminium foil be compound → plastic-aluminum combined half-blank coating glue → and cut → pack
Operational path 2:
Blank film and aluminium foil be compound → and plastic-aluminum combined half-blank after plastic-aluminum combined surface of semi-finished printing → printing is coated with glue → cut → pack
Operational path 3:
In the film seal → printing film and aluminium foil compound → plastic-aluminum combined half-blank coating glue → cut → pack
Be example with PET material work skin and with operational path 1 below, introduce the manufacturing process of this new material in detail: promptly,
Pet sheet seal → printing PET and aluminium foil be compound → compound half-blank coating glue → and cut → pack
(1) pet sheet seal
According in client's packing of product technology to ink printing, temperature tolerance, resistance to abrasion, requirements such as printing exterior quality etc. selects suitable table printing ink to go to print.
(2) printing PET and aluminium foil are compound
Client's different product, the forming mould of difformity, material is all inequality to the level of stretch of packaging material, and aluminium foil layer plays a major role in forming process.So at first will select the aluminium foil raw MAT'L of the suitable trade mark, suitable extensibility according to client's operating needs.To print the non-printing surface gluing of PET then and the aluminium foil dry type is compound gets final product.Half-blank after compound can be placed on the curing chamber slaking earlier.This operation will note guaranteeing combined strength bination 〉=1.5N/15mm.
(3) compound half-blank coating glue
After filler adds in the glue, can in adhesion agent, play the effect of physics and chemical crosslinking.The filler that adds different proportion can obtain the glue of different crosslink densities, therefore can obtain the glue of different heat sealabilitys.In the actual production operation, should add an amount of filler to the requirement of heat seal strength according to the client, being added between the 0%-25% of filler is comparatively suitable.Can in glue, add simultaneously the wetting agent of 0.3%-0.8%, improve the compatibility of glue and filler with this.
After glue configures, can obtain complex film directly being coated onto on the compound half-blank on coating machine or the printer.
(4) cut, pack
After complex film is carried out, cut, use for the client after the Packing Sound according to the specification of customer requirement.
Claims (2)
1. film is easily taken off in a novel cold forming process, and it is characterized in that: it comprises four-layer structure, is followed successively by from outside to inside: printed layers (1), bonding coat (2), barrier layer (3) and hot sealing layer (4);
Described printed layers (1) is PET or PP or NY thin layer;
Described barrier layer (3) is an aluminium foil layer;
Described hot sealing layer (4) is the vinyl glue layer.
2. film is easily taken off in a kind of novel cold forming process according to claim 1, it is characterized in that: described aluminium foil bed thickness is degree 20 μ m～60 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201731285U CN201761759U (en) | 2010-04-21 | 2010-04-21 | Novel cold forming easy-peeling film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201731285U CN201761759U (en) | 2010-04-21 | 2010-04-21 | Novel cold forming easy-peeling film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201761759U true CN201761759U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201731285U Expired - Fee Related CN201761759U (en) | 2010-04-21 | 2010-04-21 | Novel cold forming easy-peeling film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201761759U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317795A (en) * | 2012-03-21 | 2013-09-25 | 淄博华瑞铝塑包装材料有限公司 | Puncture- and rupture-resistant special-purpose sheet aluminum-plastic packaging film |
| CN104309923A (en) * | 2014-09-02 | 2015-01-28 | 江阴宝柏包装有限公司 | Intelligent high-barrier property cold forming laminating material and preparation method for same |
| CN104816525A (en) * | 2015-04-30 | 2015-08-05 | 桐城市福润包装材料有限公司 | High-barrier plastic flexible-package composite material easy to tear |
| CN105480553A (en) * | 2015-10-13 | 2016-04-13 | 惠州宝柏包装有限公司 | Easy opening heat sealing film and application thereof |
| CN105479853A (en) * | 2016-01-01 | 2016-04-13 | 杭州巨力绝缘材料有限公司 | Macro-molecular leakage-free self-adhering aluminum foil and manufacturing method |
| CN106833437A (en) * | 2017-01-25 | 2017-06-13 | 江阴宝柏包装有限公司 | A kind of preparation method for hindering acid type blister package aluminium foil epiphragma, epiphragma and application |
| CN108099303A (en) * | 2017-11-28 | 2018-06-01 | 江阴宝柏包装有限公司 | A kind of thermophilic digestion easily takes off composite membrane and its manufacturing method |
| CN114801401A (en) * | 2022-03-23 | 2022-07-29 | 毕玛时软包装（苏州）有限公司 | Clean easy-to-open cover film for liquid packaging |
-
2010
- 2010-04-21 CN CN2010201731285U patent/CN201761759U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317795A (en) * | 2012-03-21 | 2013-09-25 | 淄博华瑞铝塑包装材料有限公司 | Puncture- and rupture-resistant special-purpose sheet aluminum-plastic packaging film |
| CN103317795B (en) * | 2012-03-21 | 2015-04-29 | 淄博华瑞铝塑包装材料有限公司 | Puncture- and rupture-resistant special-purpose sheet aluminum-plastic packaging film |
| CN104309923A (en) * | 2014-09-02 | 2015-01-28 | 江阴宝柏包装有限公司 | Intelligent high-barrier property cold forming laminating material and preparation method for same |
| CN104309923B (en) * | 2014-09-02 | 2017-07-28 | 江阴宝柏包装有限公司 | The preparation method of intellectuality high barrier cold forming laminated material |
| CN104816525A (en) * | 2015-04-30 | 2015-08-05 | 桐城市福润包装材料有限公司 | High-barrier plastic flexible-package composite material easy to tear |
| CN105480553A (en) * | 2015-10-13 | 2016-04-13 | 惠州宝柏包装有限公司 | Easy opening heat sealing film and application thereof |
| CN105479853A (en) * | 2016-01-01 | 2016-04-13 | 杭州巨力绝缘材料有限公司 | Macro-molecular leakage-free self-adhering aluminum foil and manufacturing method |
| CN105479853B (en) * | 2016-01-01 | 2018-07-27 | 杭州巨力绝缘材料有限公司 | Macromolecule is without leakage self-adhesion aluminium foil and production method |
| CN106833437A (en) * | 2017-01-25 | 2017-06-13 | 江阴宝柏包装有限公司 | A kind of preparation method for hindering acid type blister package aluminium foil epiphragma, epiphragma and application |
| CN108099303A (en) * | 2017-11-28 | 2018-06-01 | 江阴宝柏包装有限公司 | A kind of thermophilic digestion easily takes off composite membrane and its manufacturing method |
| CN114801401A (en) * | 2022-03-23 | 2022-07-29 | 毕玛时软包装（苏州）有限公司 | Clean easy-to-open cover film for liquid packaging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20190421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |