CN204354550U - Dry type compound boiling packaging material - Google Patents
Dry type compound boiling packaging material Download PDFInfo
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- CN204354550U CN204354550U CN201420832923.9U CN201420832923U CN204354550U CN 204354550 U CN204354550 U CN 204354550U CN 201420832923 U CN201420832923 U CN 201420832923U CN 204354550 U CN204354550 U CN 204354550U
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- composite membrane
- packaging material
- dry type
- adhesive layer
- polyester film
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Abstract
Dry type compound boiling packaging material, belong to field of packaging material.The utility model in order to solve existing foil laminated film flexibility poor, opaque, be not easy to vacuumize, bond unstable problem.Dry type compound boiling packaging material comprise outer composite membrane, interior composite membrane and latticed 3rd adhesive layer, outer composite membrane comprises BOPET polyester film, the first adhesive layer and APET photomask, and interior composite membrane comprises PA PA membrane, PET polyester film, EVOH barrier layer, PVDC gas barrier film and three layer of second adhesive layer; BOPET polyester film and APET photomask are from top to bottom combined with each other by the first adhesive layer dry type, PA PA membrane, PET polyester film, are combined with each other by the second adhesive layer dry type between EVOH barrier layer and PVDC gas barrier film adjacent two layers; Linked together by latticed 3rd adhesive layer of coating between outer composite membrane and interior composite membrane, vacuumize between outer composite membrane and interior composite membrane space.The utility model is especially applicable to the packaging of meat, bean product.
Description
Technical field
The utility model relates to a kind of packaging material, is specifically related to a kind of dry type compound boiling packaging material, belongs to field of packaging material.
Background technology
High-temperature retort bag is a kind of composite plastic film bag that can carry out heating, and it has the advantage of both Can container and the polybag of resistance to boiling water.Food can remain untouched in bag, through high temperature (generally at 120 ~ 135 DEG C) sterilization heating, takes out just edible.Use through more than ten years proves, it is a kind of desirable marketing packing container.Be applicable to the packaging of meat, bean product, convenient, healthy practical again, and well can keep the original local flavor of food, comparatively consumers.
Twentieth century sixties, aluminum-plastic composite membrane has been invented to solve the packaging of aerospace food by the U.S., packs meat product with it, and by high temperature high pressure sterilizing, can deposit under normal temperature, the shelf-life reaches more than 1 year.The similar tin can of effect of aluminum-plastic composite membrane, soft, light weight, hence obtain one's name foods packed in carton containers.At present, depositing shelf-life longer meat product at normal temperatures, as used hard packing case, still selecting can and vial; As used flexible package, almost all adopt aluminum-plastic composite membrane etc.
Aluminum-plastic composite membrane is lamination composite multilayer membrane, and typical structure is top layer/adhesive/aluminium foil/adhesive/hot sealing layer (CPP).The advantage of this packaging film has beautiful outward appearance and good mechanical performance, high obstructing performance, digestion resistant performance and excellent wholesomeness, and light weight, softness, be therefore widely used in the packaging of various food.But also there are some defects, as aluminium foil quality is firmly crisp, flexibility is not so good etc. compared with plastic sheeting.
In order to extend the shelf-life of meat product, the meat product of digestion resistant all adopts and vacuumizes skin packaging.Aluminum foil composite, when vacuumizing, because the flexibility of aluminium foil is inadequate, is difficult to paste completely on the contents, easily causes air in packaging bag to take out unclean, has influence on the preservation of food.Therefore, do packaging of meat products use aluminium foil time thickness can not be too high.But because its barrier depends on thickness and level of processing, easily there is a large amount of pin holes when thickness is less, for the packaging of the meat product of for shelf-stable, the thickness of aluminium foil again can not be too thin; As aluminium foil is too thin, foil laminated film also can form many gauffers after vacuumizing, and then very easily cracks, and causes the forfeiture of barrier.Therefore, the thickness of aluminium foil, barrier, flexibility are three contradictions of puzzlement foil laminated film application all the time.
From aspect, market, foil laminated film packaged food makes consumer can't see look and the shape of content because of opaque, be unfavorable for that consumer buys, and adds that some manufacturer utilizes the opaque defect covering product of aluminum-plastic composite membrane, even practise fraud, lead consumer into a trap.Therefore, the packaging that the large more options of consumer are completely transparent, and do not select opaque aluminum-plastic composite membrane to pack, cause the food selling of this packaging not smooth.Aluminium plastic composite packaging can not use heating using microwave, and price is more expensive compared with plastic sheeting, and these all have influence on the application of aluminum-plastic composite membrane.Therefore food processing industry wishes that packaging material technique can provide one both all-transparents always, the packaging material of digestion resistant can substitute aluminum-plastic composite membrane again.
Summary of the invention
The purpose of this utility model is to provide a kind of dry type compound boiling packaging material, with solve existing foil laminated film flexibility poor, opaque, be not easy to vacuumize, bond unstable problem.
The utility model in order to solve the problems of the technologies described above taked technical scheme is:
Dry type compound boiling packaging material of the present utility model, comprise outer composite membrane, interior composite membrane and latticed 3rd adhesive layer, described outer composite membrane comprises BOPET polyester film, the first adhesive layer and APET photomask, and interior composite membrane comprises PA PA membrane, PET polyester film, EVOH barrier layer, PVDC gas barrier film and three layer of second adhesive layer; Described BOPET polyester film and APET photomask are from top to bottom combined with each other by the first adhesive layer dry type, described PA PA membrane, PET polyester film, EVOH barrier layer and PVDC gas barrier film are from top to bottom arranged, and are combined with each other between adjacent two layers by the second adhesive layer dry type; Linked together by latticed 3rd adhesive layer of coating between described outer composite membrane and interior composite membrane, vacuumize between outer composite membrane and interior composite membrane space.
The utility model is by changing the stepped construction of boiling packaging material, aluminium foil as core structural layer is replaced with PVDC gas barrier film, enhance the barrier property of boiling packaging material, because PVDC has stronger shrinkage, thus also enhance the flexibility of boiling packaging material, be convenient to vacuumize process, the fold produced in vacuum also can not cause the breakage of boiling packaging material.The stepped construction of boiling packaging material of the present utility model is transparent material in addition, and consumer sees look and the shape of content, is beneficial to consumer and buys, and boiling packaging material with heating using microwave, just can be used and use.Moreover the utility model each Rotating fields dry type is combined with each other by binding agent, bonds more firm between each layer.In order to make boiling packaging material have stronger barrier property, the utility model, except arranging EVOH barrier layer in the side of core structural layer PVDC gas barrier film, also add PET polyester film.Last the utility model also add BOPET polyester film as printing basement membrane, is convenient to follow-up printing labeling.The utility model also add photomask, occurs rotten for preventing article in packaging bag because of reasons such as illumination.
Preferred: described PET polyester film is processed with mesh.Setting like this, adds the ductility of boiling packaging material while ensureing the overall barrier of boiling packaging material.
Preferred: the shape of described mesh is rhombus.Setting like this, the integral extension of packaging film is stronger.
Preferred: the thickness of described dry type compound boiling packaging material is 510 ~ 530 μm.Setting like this, meets the requirement of strength of boiling packaging material.
Preferred: the thickness of described PVDC gas barrier film is 70 ~ 90 μm.Setting like this, while meeting gas barrier property, ductility is better.
The utility model compared with prior art has following effect: the utility model is by changing the stepped construction of boiling packaging material, aluminium foil as core structural layer is replaced with PVDC gas barrier film, enhance the barrier property of boiling packaging material, because PVDC has stronger shrinkage, thus also enhance the flexibility of boiling packaging material, be convenient to vacuumize process, the fold produced in vacuum also can not cause the breakage of boiling packaging material.The stepped construction of boiling packaging material of the present utility model is transparent material in addition, and consumer sees look and the shape of content, is beneficial to consumer and buys, and boiling packaging material with heating using microwave, just can be used and use.Moreover the utility model each Rotating fields dry type is combined with each other by binding agent, bonds more firm between each layer.In order to make boiling packaging material have stronger barrier property, the utility model also add PET polyester film.Last the utility model also add BOPET polyester film as printing basement membrane, is convenient to follow-up printing labeling.The utility model also add photomask, occurs rotten for preventing article in packaging bag because of reasons such as illumination.(gas barrier properties does not change with the change of humidity to utilize the gas barrier property of PVDC, even if high humidity environment also can not cause product to go bad), the generation of Food Oxidation denaturalization phenomenon can be delayed, greatly extend the product shelf phase, the fragrance of content can be avoided to scatter and disappear and prevent the intrusion of outside bad smell simultaneously; Utilize the resistance of PVDC moist, the phenomenon of product generation dehydration exsiccation, taste bad can be prevented, boiling packaging material prototype can not be damaged because of product water suction, prevent quantitative goods generation natural wastage (weightlessness); Utilize boiling packaging material hypotonicity, can loss of aroma be prevented, and not absorption of residual residual air taste and off-taste, the integrality (this point is particularly important when packing low fat or high-protein food) of smell can be ensured.Boiling packaging material of the present utility model can under 3 atmospheric pressure resistance to 120 DEG C of thermophilic digestion 30min, it is good that the utility model also has flexibility, and heat sealability is excellent, nonpoisonous and tasteless, and oil resistivity is good, the advantage of good corrosion resistance.Boiling packaging material of the present utility model are especially applicable to the packaging of meat, bean product.
Accompanying drawing explanation
Fig. 1 is the structure chart of dry type compound boiling packaging material described in the utility model.
In figure: 1-BOPET polyester film; 2-APET photomask; 3-PA PA membrane; 4-PET polyester film; 5-EVOH barrier layer; 6-PVDC gas barrier film; 7-first adhesive layer; 8-second adhesive layer; 9-the 3rd adhesive layer.
Detailed description of the invention
Elaborate the utility model with reference to the accompanying drawings preferred embodiment below.
As shown in Figure 1, dry type compound boiling packaging material described in the utility model comprise outer composite membrane, interior composite membrane and latticed 3rd adhesive layer 9, described outer composite membrane comprises BOPET polyester film 1, first adhesive layer 7 and APET photomask 2, and interior composite membrane comprises PA PA membrane 3, PET polyester film 4, EVOH barrier layer 5, PVDC gas barrier film 6 and three layer of second adhesive layer 8; Described BOPET polyester film 1 and APET photomask 2 are from top to bottom combined with each other by the first adhesive layer 7 dry type, described PA PA membrane 3, PET polyester film 4, EVOH barrier layer 5 and PVDC gas barrier film 6 are from top to bottom arranged, and are combined with each other between adjacent two layers by the second adhesive layer 8 dry type; Linked together by latticed 3rd adhesive layer 9 of coating between described outer composite membrane and interior composite membrane, vacuumize between outer composite membrane and interior composite membrane space.Described PET polyester film is processed with mesh.The shape of described mesh is rhombus.The thickness of described dry type compound boiling packaging material is 510 ~ 530 μm.The thickness of described PVDC gas barrier film is 70 ~ 90 μm.
The utility model is by changing the stepped construction of boiling packaging material, aluminium foil as core structural layer is replaced with PVDC gas barrier film, enhance the barrier property of boiling packaging material, because PVDC has stronger shrinkage, thus also enhance the flexibility of boiling packaging material, be convenient to vacuumize process, the fold produced in vacuum also can not cause the breakage of boiling packaging material.The stepped construction of boiling packaging material of the present utility model is transparent material in addition, and consumer sees look and the shape of content, is beneficial to consumer and buys, and boiling packaging material with heating using microwave, just can be used and use.Moreover the utility model each Rotating fields dry type is combined with each other by binding agent, bonds more firm between each layer.In order to make boiling packaging material have stronger barrier property, the utility model, except arranging EVOH barrier layer in the side of core structural layer PVDC gas barrier film, also add PET polyester film.Last the utility model also add BOPET polyester film as printing basement membrane, is convenient to follow-up printing labeling.The utility model also add photomask, occurs rotten for preventing article in packaging bag because of reasons such as illumination.
The exemplary illustration of present embodiment just to this patent, does not limit its protection domain, and those skilled in the art can also change, as long as no the Spirit Essence exceeding this patent, in the protection domain of this patent its local.
Claims (5)
1. dry type compound boiling packaging material, it is characterized in that: comprise outer composite membrane, interior composite membrane and latticed 3rd adhesive layer (9), described outer composite membrane comprises BOPET polyester film (1), the first adhesive layer (7) and APET photomask (2), and interior composite membrane comprises PA PA membrane (3), PET polyester film (4), EVOH barrier layer (5), PVDC gas barrier film (6) and three layer of second adhesive layer (8); Described BOPET polyester film (1) and APET photomask (2) are from top to bottom combined with each other by the first adhesive layer (7) dry type, described PA PA membrane (3), PET polyester film (4), EVOH barrier layer (5) and PVDC gas barrier film (6) are from top to bottom arranged, and are combined with each other between adjacent two layers by the second adhesive layer (8) dry type; Linked together by latticed 3rd adhesive layer (9) of coating between described outer composite membrane and interior composite membrane, vacuumize between outer composite membrane and interior composite membrane space.
2. dry type compound boiling packaging material according to claim 1, is characterized in that: described PET polyester film is processed with mesh.
3. dry type compound boiling packaging material according to claim 2, is characterized in that: the shape of described mesh is rhombus.
4. dry type compound boiling packaging material according to claim 3, is characterized in that: the thickness of described dry type compound boiling packaging material is 510 ~ 530 μm.
5. dry type compound boiling packaging material according to claim 4, is characterized in that: the thickness of described PVDC gas barrier film is 70 ~ 90 μm.
Priority Applications (1)
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CN201420832923.9U CN204354550U (en) | 2014-12-25 | 2014-12-25 | Dry type compound boiling packaging material |
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CN201420832923.9U CN204354550U (en) | 2014-12-25 | 2014-12-25 | Dry type compound boiling packaging material |
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CN204354550U true CN204354550U (en) | 2015-05-27 |
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CN201420832923.9U Expired - Fee Related CN204354550U (en) | 2014-12-25 | 2014-12-25 | Dry type compound boiling packaging material |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104401082A (en) * | 2014-12-25 | 2015-03-11 | 哈尔滨隆华艺达包装制品有限公司 | Dry-type composite cooking packaging material |
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2014
- 2014-12-25 CN CN201420832923.9U patent/CN204354550U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104401082A (en) * | 2014-12-25 | 2015-03-11 | 哈尔滨隆华艺达包装制品有限公司 | Dry-type composite cooking packaging material |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20181225 |