Polyethylene frozen food packaging bag and processing technology thereof
By setting up food raw material area, seasoning area and oven bag area in frozen food packaging bags, and using nylon-containing coextrusion film and UV printing technology, the existing packaging is complicated, unintuitive and waste-intensive, and the effect of simplifying packaging, clarifying functions and reducing waste is achieved.
Patent Information
- Application Number
- CN202510064000.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-04-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing frozen and prepared food packaging has the problems of complex packaging, unintuitive functional materials, a lot of waste and high prices, which is difficult to meet the market's demand for simplifying packaging, clarifying functions and reducing waste.
Frozen food packaging bags made of polyethylene material are equipped with food raw materials, food seasoning areas and oven bag areas. Different functional areas are isolated by sealing and ironing, and the nylon-containing coextrusion film and UV printing technology are used to realize the production of multi-function packaging bags.
It has achieved simplified packaging, clarified functional areas, reduced the amount of waste, improved the intuitiveness and convenience of packaging, and at the same time reduced production costs and enhanced market competitiveness.
Smart Images

Figure CN119873114A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of food packaging bags, in particular to a polyethylene frozen food packaging bag and a processing technology thereof. Background Art
[0002] In the prior art, in the field of frozen prepared food packaging, the application of packaging a variety of raw materials with different functions in boxes or outer bags has been very widespread. Such package products are to pack food materials, seasoning sauces, powders, etc. in different packaging bags, and finally put them into packaging boxes or outer bags, and finally enter the consumer market after the cold chain. Some of these packaged prepared products will be equipped with oven bags, and some will not be equipped with oven bags. Therefore, there are certain limitations in packaging. Such packaged prepared foods use more packaging materials, the functional materials are not intuitive enough, and the price is relatively high, which is not conducive to market competition. However, the market demand for such packaged prepared foods is very large. Therefore, it is very necessary to simplify packaging, clarify functional materials, reduce the amount of waste, and be economical and practical multifunctional packaging bags. Such multifunctional packaging bags have a wide range of uses and can be applied to the packaging of prepared foods such as meat, poultry, seafood, and fish. They are used in large quantities and have good market prospects. Summary of the invention
[0003] The present application provides a polyethylene frozen food packaging bag and its processing technology, which solves the existing problems of simplifying packaging, clarifying functional materials, reducing the amount of waste, and providing an economical and practical multifunctional packaging bag. This kind of multifunctional packaging bag has a wide range of uses and can be applied to the packaging of prepared foods such as meat, poultry, seafood and fish. It has a huge usage volume and a good market prospect.
[0004] The technical solution adopted in the embodiments of the present application is as follows.
[0005] A polyethylene frozen food packaging bag comprises a packaging bag body; a food raw material area, a food seasoning area and an oven bag area are arranged in the packaging bag body; the food raw material area, the food seasoning area and the oven bag area are separated from each other by sealing and ironing between the areas, and do not interfere with each other; when processing food, the food seasoning is taken out and mixed with the food raw material, and finally put into the oven bag for oven baking or microwave heating.
[0006] As a further improvement of the above technical solution: a polyethylene frozen food packaging bag processing technology, applied to a polyethylene frozen food packaging bag as claimed in claim 1, comprising the following processing steps
[0007] S1, the performance of the composite film material is achieved by combining a nylon layer co-extruded film, and when the nylon co-extruded film is blown, multiple extrusion screws are used to extrude films with different functions at the same time to form a co-extruded film, the co-extruded film;
[0008] S2. Printing is performed on the surface of the co-extruded film.
[0009] As a further improvement of the above technical solution: the co-extruded film in S1 is composed of an outer layer of nylon material and an inner layer of polyethylene material.
[0010] As a further improvement of the above technical solution: the printing in S2 is performed using UV ink.
[0011] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
[0012] 1. Due to the use of a co-extruded film containing nylon, which is composed of an outer layer of nylon material and an inner layer of polyethylene material, it is characterized by the use of multiple extrusion screws to extrude films with different functions at the same time to form a co-extruded film, without the need to use adhesives to compound the two films together. The printing process uses UV printing, which is characterized by the use of special UV inks to print on the nylon surface of the co-extruded film, and the printing effect of this process is exquisite, and the UV ink has strong adhesion and is not easy to fall off. The pollution to the environment is relatively small. The frozen prepared food set packaging bag is a multi-cavity packaging bag composed of different functional areas. When making the bag, the multiple different functional areas are separated by sealing and hot stamping, but combined in one packaging bag; it achieves a multi-functional effect of one bag, simplifies the packaging method of multiple packaging bags into one box or one outer bag, reduces the amount of waste, and has clear functional areas, which is more intuitive and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the material structure of the present invention.
[0014] Figure 2 Schematic diagram of a multi-cavity multi-functional bag with different functional areas of the present invention.
[0015] In the figure: 1. Outer layer nylon material; 2. Inner layer polyethylene material; 3. Food raw material area; 4. Food seasoning area; 5. Oven bag area. DETAILED DESCRIPTION
[0016] The present application provides a polyethylene frozen food packaging bag and its processing technology, which solves the existing problems of simplifying packaging, clarifying functional materials, reducing the amount of waste, and providing an economical and practical multifunctional packaging bag. This kind of multifunctional packaging bag has a wide range of uses and can be applied to the packaging of prepared foods such as meat, poultry, seafood and fish. It has a huge usage volume and a good market prospect.
[0017] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows
[0018] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0019] A polyethylene frozen food packaging bag comprises a packaging bag body; a food raw material area 3, a food seasoning area 4 and an oven bag area 5 are arranged in the packaging bag body; the food raw material area 3, the food seasoning area 4 and the oven bag area 5 are separated from each other by sealing and ironing between the areas, and the food seasoning is taken out and mixed with the food raw materials when processing the food, and finally put into the oven bag for oven baking or microwave heating.
[0020] A polyethylene frozen food packaging bag processing technology, applied to the polyethylene frozen food packaging bag of the present embodiment of claim 1, comprises the following processing steps
[0021] S1, the performance of the composite film material is achieved by combining a nylon layer co-extruded film, and when the nylon co-extruded film is blown, multiple extrusion screws are used to extrude films with different functions at the same time to form a co-extruded film, the co-extruded film;
[0022] S2. Printing is performed on the surface of the co-extruded film.
[0023] The co-extruded film in S1 is composed of an outer layer of nylon material 1 and an inner layer of polyethylene material 2.
[0024] The printing in S2 is done with UV ink.
[0025] The nylon-containing co-extruded film comprises an outer layer of nylon material 1 and an inner layer of polyethylene material 2. It is characterized in that multiple extrusion screws are used to extrude films with different functions at the same time to form a co-extruded film, and there is no need to use an adhesive to compound the two films together. The printing process adopts UV printing, which is characterized in that a special UV ink is used to print on the nylon surface of the co-extruded film, and the printing effect of the process is exquisite, and the UV ink has strong adhesion and is not easy to fall off. The pollution to the environment is relatively small. The frozen prepared food set packaging bag is a multi-cavity packaging bag composed of different functional areas. When making the bag, the multiple different functional areas are separated by sealing and hot stamping, but combined in one packaging bag.
[0026] Since a co-extruded film containing nylon is used, it is composed of an outer layer of nylon material 1 and an inner layer of polyethylene material 2. It is characterized by using multiple extrusion screws to extrude films with different functions at the same time to form a co-extruded film, and there is no need to use an adhesive to compound the two films together. The printing process uses UV printing, which is characterized by using special UV ink to print on the nylon surface of the co-extruded film, and the printing effect of this process is exquisite, and its UV ink has strong adhesion and is not easy to fall off. The pollution to the environment is relatively small. The frozen prepared food set packaging bag is a multi-cavity packaging bag composed of different functional areas. When making the bag, multiple different functional areas are separated by sealing and hot stamping, but combined in one packaging bag; it achieves a multi-functional effect of one bag, simplifies the packaging method of multiple packaging bags into one box or one outer bag, reduces the amount of waste, and has clear functional areas, which is more intuitive and convenient to use.
[0027] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.
[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A polyethylene frozen food packaging bag, characterized in that: The packaging bag comprises a packaging bag body; the packaging bag body is provided with a food raw material area (3), a food seasoning area (4) and an oven bag area (5); the food raw material area (3), the food seasoning area (4) and the oven bag area (5) separate different functional areas by sealing and ironing between the areas so as not to interfere with each other; when processing food, the food seasoning is taken out and mixed with the food raw material, and finally put into the oven bag for oven baking or microwave heating.
2. A polyethylene frozen food packaging bag processing technology, applied to the polyethylene frozen food packaging bag according to claim 1, characterized in that: Including the following processing steps S1, the performance of the composite film material is achieved by combining a nylon layer co-extruded film, and when the nylon co-extruded film is blown, multiple extrusion screws are used to extrude films with different functions at the same time to form a co-extruded film, the co-extruded film; S2. Printing is performed on the surface of the co-extruded film.
3. The polyethylene frozen food packaging bag processing technology according to claim 2, characterized in that: The co-extruded film in S1 is composed of an outer layer of nylon material (1) and an inner layer of polyethylene material (2).
4. The polyethylene frozen food packaging bag processing technology according to claim 2, characterized in that: The printing in S2 is done with UV ink.
Citation Information
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