CN112093247A - High-temperature-resistant packaging bag - Google Patents

High-temperature-resistant packaging bag Download PDF

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Publication number
CN112093247A
CN112093247A CN202010821954.4A CN202010821954A CN112093247A CN 112093247 A CN112093247 A CN 112093247A CN 202010821954 A CN202010821954 A CN 202010821954A CN 112093247 A CN112093247 A CN 112093247A
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CN
China
Prior art keywords
layer
aluminum foil
bag
film layer
packaging bag
Prior art date
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Pending
Application number
CN202010821954.4A
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Chinese (zh)
Inventor
刘文峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI PARKSON SOURCE PACKAGING MATERIALS CO LTD
Original Assignee
ANHUI PARKSON SOURCE PACKAGING MATERIALS CO LTD
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Priority to CN202010821954.4A priority Critical patent/CN112093247A/en
Publication of CN112093247A publication Critical patent/CN112093247A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B65D29/02—Sacks with laminated or multiple walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/088—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B32B2264/108—Carbon, e.g. graphite particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B32B2439/06—Bags, sacks, sachets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a high-temperature-resistant packaging bag which comprises a bag body and a tearing opening arranged at the edge of the bag body, wherein the bag body is sequentially provided with a first aluminum foil layer, a first nylon layer, a polyethylene film layer, a polyester film layer and a polypropylene film layer which are bonded through an adhesive from outside to inside, and the bag body is provided with linear radium rays along the tearing opening. The aluminum foil bag is made by compounding different packing materials, after high-temperature sterilization, the aluminum foil bag can keep the appearance of a good product outer packing bag, the tearing opening is formed in the linear edge punctured by laser, and when the bag is torn along the tearing direction of the tearing opening, the packing bag can achieve the effect of being linear on two sides and easy to tear.

Description

High-temperature-resistant packaging bag
Technical Field
The invention relates to the technical field of packaging bags, in particular to a high-temperature-resistant packaging bag.
Background
At present, the conventional aluminum foil bags are basically 3-layer composite or 4-layer composite, and after high-temperature sterilization or high-temperature cooking, the outer package of the product can be fused or wrinkled or leaked, so that the performance of the product is greatly influenced.
Ordinary high temperature resistant wrapping bag is equipped with the tearing notch on the horizontal banding of the bag body generally, and when the tearing notch receives external force to tear, stress distribution is inhomogeneous, not only difficult tear and easy skew straight line cause the food in the wrapping bag to splash.
In addition, the existing high-temperature resistant packaging bag has poor antibacterial performance, so that the storage time of the articles in the packaging bag is relatively short.
Disclosure of Invention
In view of the above, the present invention is directed to a high temperature resistant packaging bag, which is easy to tear and is not easy to wrinkle during high temperature steaming.
Based on the purpose, the invention provides a high-temperature-resistant packaging bag which comprises a bag body and a tearing opening arranged at the edge of the bag body, wherein the bag body is sequentially provided with a first aluminum foil layer, a first nylon layer, a polyethylene film layer, a polyester film layer and a polypropylene film layer which are bonded through an adhesive from outside to inside, and the bag body is provided with linear radium rays along the tearing opening.
The polyethylene film layer is a three-layer film structure which is formed by co-extrusion and sequentially comprises a low-density polyethylene film layer, a high-density polyethylene film layer and a modified polyethylene film layer from top to bottom, and the modified polyethylene film layer is a blend film layer.
The adhesive is polyurethane.
The laser lines are formed by a laser device puncturing the first aluminum foil layer.
The laser lines are dotted lines, and a plurality of points forming the dotted lines are formed by a laser device through puncturing the first aluminum foil layer.
The packaging bag further comprises a polyethylene terephthalate film and a second nylon layer, wherein the polyethylene terephthalate film and the second nylon layer are arranged outside the first aluminum foil layer from outside to inside through adhesive bonding.
Bamboo charcoal particles are uniformly distributed in the first aluminum foil layer, and the content of the aluminum foil accounts for 93-95% and the content of the bamboo charcoal particles accounts for 5-7% in percentage by mass.
The thickness of the first aluminum foil layer is 3-6 mm.
The packaging bag further comprises a second aluminum foil layer arranged in the polypropylene film layer, and the second aluminum foil layer is bonded with the polypropylene film layer through an adhesive.
Bamboo charcoal particles are uniformly distributed in the second aluminum foil layer, and the content of the aluminum foil accounts for 90-95% and the content of the bamboo charcoal particles accounts for 5-10% in percentage by mass.
The invention has the beneficial effects that: the aluminum foil bag is made by compounding different packing materials, after high-temperature sterilization, the aluminum foil bag can keep the appearance of a good product outer packing bag, the tearing opening is formed in the linear edge of laser breakdown, and when the bag is torn along the tearing direction of the tearing opening, the packing bag can achieve the effect of double-sided linear and easy tearing. The invention utilizes the toughness, good tensile strength and elongation of the nylon film, and adopts two layers of nylon films to wrap the first aluminum foil film, thereby playing a better protection role on the aluminum foil film and effectively improving the fracture of the aluminum foil when the bag bottom is folded in half.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one or more embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a pouch according to example 1 of the present invention;
FIG. 3 is a schematic structural view of a polyethylene film layer of the present invention;
fig. 4 is a cross-sectional view of the pouch according to example 2 of the present invention.
Labeled as:
1. a bag body; 2. laser rays; 3. a first aluminum foil layer; 4. a first nylon layer; 5. a polyethylene film layer; 6. a polyester film layer; 7. a polypropylene film layer; 8. polyethylene terephthalate film; 9. a second nylon layer; 10. a low density polyethylene film layer; 11. a high density polyethylene film layer; 12. modified polyethylene film layer.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It should be noted that technical terms or scientific terms used in the embodiments of the present specification should have a general meaning as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in the embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example 1
As shown in fig. 1 to 3, a high temperature resistant packaging bag comprises a bag body 1 and a tearing opening arranged at the edge of the bag body 1, wherein the bag body 1 sequentially passes through a first aluminum foil layer 3, a first nylon layer 4, a polyethylene film layer 5, a polyester film layer 6 and a polypropylene film layer 7 which are bonded by an adhesive from outside to inside, and a linear radium ray 2 is arranged on the bag body 1 along the tearing opening direction. Specifically, when making the bag body, the internal surface of first aluminium foil layer 3 passes through the surface bonding of polyurethane and first nylon layer 4, and the internal surface of first nylon layer passes through the surface bonding of polyurethane and polyethylene film 5, and the internal surface of polyethylene film 5 bonds with the surface of polyester film 6, and the internal surface of polyester film 6 and the surface bonding of polypropylene film 7. The aluminum foil packaging bag is characterized in that the bag body of the packaging bag is made of different packaging materials in a compounding mode, and after high-temperature sterilization, the aluminum foil packaging bag can keep the appearance of a good product outer packaging bag. The thickness of the first aluminium foil layer 3 is preferably 3-6 mm.
As a preferred embodiment, the polyethylene film layer may be a conventional polyethylene film layer, as shown in fig. 3, the polyethylene film layer 5 is a three-layer film structure formed by co-extrusion and sequentially composed of a low-density polyethylene film 10, a high-density polyethylene film layer 11 and a modified polyethylene film layer 12 from top to bottom, and the modified polyethylene film layer 12 is a blend film layer. Adopt the different high density material of multilayer to compound for the bag body has very strong shape effect of preapring for an unfavorable turn of events, thereby makes the product property in the wrapping bag more stable. The adhesive for bonding the films is preferably polyurethane.
The laser line 2 is preferably formed by a laser device penetrating the first aluminum foil layer 3. The laser lines 2 are preferably broken lines, and several points constituting the broken lines are formed by a laser device puncturing the first aluminum foil layer 3. In the production process, cut the process and be equipped with laser device, utilize the photon of the high load energy of the strong light beam of laser device, the bag body surface carries out the physics cutting, the (ultraviolet) photon of high load energy makes the aluminium foil material take place the process and destroys, through controlling the laser power of laser, make it just puncture the first aluminium foil layer in bag body top layer, puncture the position and lacked first aluminium foil layer rigid material, the wrapping bag presents easily and tears the effect, the sharp edge at the laser puncture is established to the tearing mouth, when tearing the sack along the tearing direction of tearing the mouth, the wrapping bag can reach two-sided straight line, the effect of easily tearing.
Example 2
The present embodiment is different from embodiment 1 in that, as shown in fig. 4, the high temperature resistant packaging bag further includes a polyethylene terephthalate film 8 and a second nylon layer 9 which are bonded to the outside of the first aluminum foil layer 3 from the outside to the inside by an adhesive. Specifically, after the film layers in the first aluminum foil layer are bonded, the outer surface of the first aluminum foil layer is bonded to the inner surface of the second nylon layer with polyurethane, and the outer surface of the second nylon layer is bonded to the inner surface of the polyethylene terephthalate film 8 with polyurethane. The structure arrangement enables the packaging bag to be changed into a double-layer nylon film wrapped aluminum foil film by compounding the original one-layer nylon film and the aluminum foil film, thereby playing a better protection role on the aluminum foil film and effectively improving the fracture of the aluminum foil during folding. The polyethylene terephthalate has excellent physical and mechanical properties in a wide temperature range and has good high and low temperature resistance.
When the structure is adopted, the polyethylene glycol terephthalate is used as an outer layer film, the inner layer film is a polypropylene film, other middle film layers are middle layer films, and the laser ray is formed by a laser device which only punctures the polyethylene glycol terephthalate film. Specifically, similar to the production process in embodiment 1, in the production process, the slitting process is provided with the laser device, the surface of the bag body is subjected to physical gasification reaction by using high-load-energy photons of a strong light beam of the laser device, the high-load-energy (ultraviolet) photons break chemical bonds in the plastic material and the surrounding medium, so that the material is subjected to non-thermal process damage, the laser power is controlled to just puncture a polyethylene terephthalate film on the surface layer of the bag body, the puncture position is reduced by using the polyethylene terephthalate film as a layer of rigid material, the packaging bag has an easy-to-tear effect, the tear opening is formed in the linear edge of laser puncture, and when the bag is torn along the tearing direction of the tear opening, the packaging bag can achieve the effect of double-sided linear and easy-to-tear.
Example 3
The difference between this embodiment and embodiment 1 is that bamboo charcoal particles are uniformly distributed in the first aluminum foil layer 3, and the content of the aluminum foil is 94% and the content of the bamboo charcoal particles is 6% by mass percentage. The thickness of the first aluminium foil layer is 4 mm. Adopt this kind of structure setting for as outer first aluminium foil layer has better antibiotic performance, outside antibiotic effect when increasing the wrapping bag and depositing.
Example 4
The difference between this embodiment and embodiment 1 is that bamboo charcoal particles are uniformly distributed in the first aluminum foil layer 3, and the content of the aluminum foil accounts for 95% and the content of the bamboo charcoal particles accounts for 5% by mass. The thickness of the first aluminium foil layer is 5 mm.
Example 5
The difference between this embodiment and embodiment 1 is that the high temperature resistant packaging bag further includes a second aluminum foil layer disposed in the polypropylene film layer 7, and the second aluminum foil layer is bonded to the polypropylene film layer 7 through an adhesive. The adhesive is also preferably polyurethane. By adopting the structure, the quality of products in the packaging bag is further ensured.
As a further improvement, bamboo charcoal particles are uniformly distributed in the second aluminum foil layer, and the content of the aluminum foil accounts for 92% and the content of the bamboo charcoal particles accounts for 8% in percentage by mass. The thickness of the second aluminium foil layer is 0.5 mm. Bamboo charcoal particles are uniformly distributed in the second aluminum foil layer of the inner layer, so that the antibacterial performance inside the packaging bag can be improved, and the storage time of products in the packaging bag is prolonged.
Example 6
The difference between this embodiment and embodiment 5 is that bamboo charcoal particles are uniformly distributed in the second aluminum foil layer, and the content of the aluminum foil accounts for 93% and the content of the bamboo charcoal particles accounts for 7% by mass. The thickness of the second aluminium foil layer is 0.4 mm.
Example 7
The difference between this embodiment and embodiment 5 is that bamboo charcoal particles are uniformly distributed in the first aluminum foil layer 3, and the content of the aluminum foil is 94% and the content of the bamboo charcoal particles is 6% by mass percentage. The thickness of the first aluminium foil layer is 4 mm. Bamboo charcoal particles are uniformly distributed in the second aluminum foil layer, and the content of the aluminum foil accounts for 91% and the content of the bamboo charcoal particles accounts for 9% in percentage by mass. The thickness of the second aluminium foil layer is 0.3 mm.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the present disclosure, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
The embodiments of the present description are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made within the spirit and principles of the embodiments described herein are intended to be included within the scope of the disclosure.

Claims (10)

1. The utility model provides a high temperature resistant wrapping bag, includes the bag body and locates the tearing notch at bag body border, its characterized in that, the bag body is by outer first aluminium foil layer, first nylon layer, polyethylene rete, polyester film layer and the polypropylene rete that loops through the gluing agent bonding setting in to, be equipped with the radium ray that is linear along the tearing notch direction on the bag body.
2. The high-temperature resistant packaging bag according to claim 1, wherein the polyethylene film layer is a three-layer film structure formed by co-extrusion and sequentially composed of a low-density polyethylene film layer, a high-density polyethylene film layer and a modified polyethylene film layer from top to bottom, and the modified polyethylene film layer is a blend film layer.
3. The high temperature resistant package of claim 1, wherein the adhesive is polyurethane.
4. The high temperature resistant package bag of claim 1, wherein the laser lines are formed by a laser device penetrating the first aluminum foil layer.
5. The high temperature resistant packaging bag of claim 4, wherein the laser lines are dotted lines, and a plurality of points constituting the dotted lines are formed by a laser device punching the first aluminum foil layer.
6. The high-temperature resistant packaging bag according to claim 1, further comprising a polyethylene terephthalate film and a second nylon layer which are bonded to the outside of the first aluminum foil layer from outside to inside through an adhesive.
7. The high-temperature-resistant packaging bag as claimed in claim 1, wherein bamboo charcoal particles are uniformly distributed in the first aluminum foil layer, and the content of the aluminum foil accounts for 93-95% and the content of the bamboo charcoal particles accounts for 5-7% by mass percentage.
8. The high temperature resistant package of claim 1, wherein the first aluminum foil layer has a thickness of 3-6 mm.
9. The high-temperature resistant packaging bag of claim 1, further comprising a second aluminum foil layer arranged in the polypropylene film layer, wherein the second aluminum foil layer is bonded with the polypropylene film layer through an adhesive.
10. The high-temperature-resistant packaging bag as claimed in claim 9, wherein bamboo charcoal particles are uniformly distributed in the second aluminum foil layer, and the content of the aluminum foil accounts for 90-95% and the content of the bamboo charcoal particles accounts for 5-10% by mass.
CN202010821954.4A 2020-08-15 2020-08-15 High-temperature-resistant packaging bag Pending CN112093247A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201998496U (en) * 2011-04-28 2011-10-05 惠州宝柏包装有限公司 High-temperature cooked packaging film with linear easy tear resistance and packaging bag
TWM492306U (en) * 2014-08-21 2014-12-21 Yi-Fu Cai Vacuum packaging bag having bamboo charcoal
CN204659084U (en) * 2015-05-20 2015-09-23 凌航食品(山东)有限公司 A kind of aluminium foil bag of novel high-barrier digestion resistant
CN206590314U (en) * 2017-02-16 2017-10-27 惠州市道科包装材料有限公司 A kind of straight line easy-peeling packaging bag
CN207291203U (en) * 2017-08-14 2018-05-01 惠州市道科包装材料有限公司 A kind of new thermophilic digestion aluminum foil sack easily torn
CN207292870U (en) * 2017-08-14 2018-05-01 惠州市道科包装材料有限公司 A kind of nut high temperature steamed bun pack for improving the aluminium foil fracture of bag bottom
CN209258699U (en) * 2018-11-30 2019-08-16 惠州市道科包装材料有限公司 A kind of straight line easily tears packaging film and packaging bag

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CN204659084U (en) * 2015-05-20 2015-09-23 凌航食品(山东)有限公司 A kind of aluminium foil bag of novel high-barrier digestion resistant
CN206590314U (en) * 2017-02-16 2017-10-27 惠州市道科包装材料有限公司 A kind of straight line easy-peeling packaging bag
CN207291203U (en) * 2017-08-14 2018-05-01 惠州市道科包装材料有限公司 A kind of new thermophilic digestion aluminum foil sack easily torn
CN207292870U (en) * 2017-08-14 2018-05-01 惠州市道科包装材料有限公司 A kind of nut high temperature steamed bun pack for improving the aluminium foil fracture of bag bottom
CN209258699U (en) * 2018-11-30 2019-08-16 惠州市道科包装材料有限公司 A kind of straight line easily tears packaging film and packaging bag

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