CN219171886U

CN219171886U - Flat leak-proof easy-to-tear cup cover film

Info

Publication number: CN219171886U
Application number: CN202320161763.9U
Authority: CN
Inventors: 陈文智; 陈晓; 邓永国; 麦少君; 郭岱芸; 洪虹; 徐萍; 陈益銮
Original assignee: Guangdong Fenglou Packaging Color Printing Co ltd
Current assignee: Guangdong Fenglou Packaging Color Printing Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-13
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of composite packaging films, in particular to a flat leakage-proof easy-tearing cup cover film, which comprises a stiff layer with stiff width, a flexible layer with flexibility and an easy-tearing layer serving as a substrate, wherein the stiff layer, the flexible layer and the easy-tearing layer are sequentially overlapped from top to bottom, glue is used for compounding between the stiff layer and the flexible layer, glue is used for compounding between the flexible layer and the easy-tearing layer, a PET film with good stiff width and thickness of 0.01-0.014mm is adopted, a KPA film with flexibility and an easy-tearing CPE cover film with thickness of 0.06-0.08mm are adopted for compounding, so that the flat leakage-proof easy-tearing cup cover film is formed.

Description

Flat leak-proof easy-to-tear cup cover film

Technical Field

The utility model relates to the technical field of composite packaging films, in particular to a flat leakage-proof easy-tearing cup cover film.

Background

The fried peanuts are used as snack foods and are divided into shelled peanuts and shelled peanuts, the shelled peanuts and the shelled peanuts are widely loved and purchased by customers, and when the fried peanuts are exposed in the air for too long, crisp taste of the fried peanuts can be lost, and the shelled peanuts even become tasty, generate toxins and cause harm to human bodies after being eaten. Therefore, how to better slow the spoilage rate of peanuts is a great challenge for food packaging.

Most of the prior peanut foods are packaged by using packaging bags, the attractiveness is poor, consumers are inconvenient to eat, so that the cup-shaped package is added with the easy-to-tear cup cover film to become a better choice, and the easy-to-tear cup cover film needs to have better fresh-keeping effect and heat-sealing easy-to-tear performance.

Disclosure of Invention

The utility model provides a flat leakage-proof easy-tearing cup cover film which is used on cup-shaped packages, can keep the original fragrance and crisp of products, has a certain fresh-keeping effect on fried peanuts, and is convenient for consumers to eat and easy to tear.

The technical scheme for realizing the aim of the utility model is as follows: the utility model provides a level leak protection easily tears bowl cover membrane, includes the very nature layer that has the degree of stiffness, has the flexible layer of flexibility, as the easy tearing layer of basement, the very nature layer the flexible layer easy tearing layer overlaps the setting in proper order top-down, the very nature layer with use glue to compound between the flexible layer, the flexible layer with use glue to compound between the easy tearing layer.

Preferably, the stiffness layer is a PET film with good stiffness and breadth, and the PET film has good transparency and luster; has good air tightness and fragrance retention, the toughness is the best of all thermoplastics, and the tensile strength and the impact strength are much higher than those of the common films; the PET film has good strength, stable size, suitability for secondary processing such as printing and the like, and good heat resistance, cold resistance, chemical resistance and oil resistance.

Preferably, the flexible layer is a KPA film with flexibility, namely a PVDC coating film, and is a high-barrier material with excellent moisture and gas resistance.

Preferably, the easy-tearing layer is an easy-tearing CPE cover film, and the CPE film is formed by on-line thermal recombination of other textile materials such as non-woven fabrics, papers, aluminum films, oxford fabrics, microfiber fabrics and the like. Because the CPE film can combine a plurality of materials with different characteristics together in the extrusion process, the product has the excellent characteristics of different materials, and can be complemented in characteristics, so that the product has special required functions and appearances, such as oxygen and moisture resistance, barrier property, transparency, fragrance retention, heat preservation, ultraviolet resistance, pollution resistance, high-temperature digestion property, low-temperature heat sealing property, strength, rigidity, hardness and other mechanical functions.

Preferably, the stiffness layer has a thickness of 0.01-0.014mm.

Preferably, the thickness of the flexible layer is 0.015-0.019mm.

Preferably, the thickness of the easy-tearing layer is 0.06-0.08mm.

Preferably, the glue for compounding is a polyurethane adhesive with a viscosity of 20 ℃ mPas.

Preferably, the non-composite surface below the easy-tearing layer is coated with a fresh-keeping coating, and the fresh-keeping coating can keep the original fragrance and crisp of the product when used on cup-shaped packages, and has a certain fresh-keeping effect on the fried peanuts.

Preferably, the fresh-keeping coating is formed by coating a fresh-keeping agent, and the fresh-keeping agent can keep the original fragrance and crisp of the product when the finished product is packaged on the fresh-keeping coating, so that a certain fresh-keeping effect is achieved on the fried peanuts.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model adopts a PET film with good stiffness and breadth and 0.01-0.014mm thickness, a KPA film with flexibility and 0.015-0.019mm thickness, and an easy-to-tear CPE cover film with 0.06-0.08mm thickness to be compounded, and a fresh-keeping coating is coated on a non-compound surface below the easy-to-tear CPE cover film, so that the flat leak-proof easy-to-tear cup cover film is formed.

Drawings

For a clearer description of an embodiment of the utility model, the drawings that are needed for the embodiment will be briefly described, it being apparent that the drawings in the following description are only some embodiments of the utility model, from which other drawings can be obtained for a person skilled in the art without inventive effort.

FIG. 1 is a schematic view of a flat leak-proof easy-to-tear cup cover film structure according to the utility model.

The reference numerals are as follows:

1. a stiffness layer, 2, a flexible layer, 3, an easy-tearing layer, 4 and a fresh-keeping coating.

Detailed Description

The utility model provides a flat leakage-proof easy-tearing cup cover film which is used on cup-shaped packages, can keep the original fragrance and crispness of products, has a certain fresh-keeping effect on fried peanuts, is convenient for consumers to eat and is easy to tear, and comprises a stiff layer 1 with a broad degree, a flexible layer 2 with a flexible degree and an easy-tearing layer 3 serving as a substrate, wherein the stiff layer 1, the flexible layer 2 and the easy-tearing layer 3 are sequentially overlapped from top to bottom, glue is used for compounding between the stiff layer 1 and the flexible layer 2, and glue is used for compounding between the flexible layer 2 and the easy-tearing layer 3.

Preferably, the stiffness layer 1 is a PET film with good stiffness and breadth, and the PET film has good transparency and luster; has good air tightness and fragrance retention, the toughness is the best of all thermoplastics, and the tensile strength and the impact strength are much higher than those of the common films; the PET film has good strength, stable size, suitability for secondary processing such as printing and the like, and good heat resistance, cold resistance, chemical resistance and oil resistance.

Preferably, the flexible layer 2 is a flexible KPA film, i.e. a PVDC coated film, which is a high barrier material with excellent moisture and gas barrier properties.

Preferably, the easy-to-tear layer 3 is an easy-to-tear CPE cover film, and the CPE film is formed by on-line thermal recovery of the CPE film and other textile materials such as non-woven fabrics, papers, aluminum films, oxford fabrics, microfiber fabrics and the like. Because the CPE film can combine a plurality of materials with different characteristics together in the extrusion process, the product has the excellent characteristics of different materials, and can be complemented in characteristics, so that the product has special required functions and appearances, such as oxygen and moisture resistance, barrier property, transparency, fragrance retention, heat preservation, ultraviolet resistance, pollution resistance, high-temperature digestion property, low-temperature heat sealing property, strength, rigidity, hardness and other mechanical functions.

Preferably, the stiffness layer 1 has a thickness of 0.01-0.014mm.

Preferably, the thickness of the flexible layer 2 is 0.015-0.019mm.

Preferably, the thickness of the easy-tearing layer 3 is 0.06-0.08mm.

Preferably, the non-composite surface below the easy-tearing layer 3 is coated with a fresh-keeping coating 4, and the fresh-keeping coating 4 can keep the original fragrance and crisp of the product when used in cup-shaped packaging, and plays a certain fresh-keeping role on the fried peanuts.

Preferably, the fresh-keeping coating 4 is formed by coating a fresh-keeping agent, and the fresh-keeping agent used on the fresh-keeping coating 4 can keep the original fragrance and crisp of the product when the finished product is packaged, so that a certain fresh-keeping effect is achieved on the fried peanuts.

Compared with the prior art, the utility model has the beneficial effects that:

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, the utility model provides a flat leakage-proof easy-tearing cup cover film, which is used on cup-shaped packages, can keep the original fragrance and crispness of products, has a certain fresh-keeping effect on fried peanuts, is convenient for consumers to eat and is easy to tear, and comprises a stiff layer 1 with stiffness, a flexible layer 2 with flexibility and an easy-tearing layer 3 serving as a substrate, wherein the stiff layer 1, the flexible layer 2 and the easy-tearing layer 3 are overlapped from top to bottom in sequence, glue is used for compounding between the stiff layer 1 and the flexible layer 2, and glue is used for compounding between the flexible layer 2 and the easy-tearing layer 3.

Preferably, the stiffness layer 1 has a thickness of 0.01mm.

Preferably, the thickness of the flexible layer 2 is 0.015mm.

Preferably, the thickness of the tearable layer 3 is 0.06mm.

Compared with the prior art, the beneficial effects of the embodiment are as follows:

the PET film with good stiffness and breadth and the KPA film with flexibility and 0.015mm thickness are adopted to be compounded with the CPE cover film with easy tearing and 0.06mm thickness, and the non-compound surface below the CPE cover film is coated with the fresh-keeping coating, so that the flat leak-proof easy-tearing cup cover film is formed.

Example 2

Preferably, the stiffness layer 1 has a thickness of 0.014mm.

Preferably, the thickness of the flexible layer 2 is 0.019mm.

Preferably, the thickness of the tearable layer 3 is 0.08mm.

the PET film with good stiffness and breadth and the KPA film with flexibility and the thickness of 0.019mm are adopted to be compounded with the CPE cover film with easy tearing and the thickness of 0.08mm, and the non-compound surface below the CPE cover film is coated with the fresh-keeping coating, so that the flat leak-proof easy-tearing cup cover film is formed.

Example 3

Preferably, the stiffness layer 1 has a thickness of 0.012mm.

Preferably, the thickness of the flexible layer 2 is 0.017mm.

Preferably, the thickness of the tearable layer 3 is 0.07mm.

the PET film with good stiffness and breadth and the KPA film with flexibility and the thickness of 0.017mm are adopted to be compounded with the CPE cover film with easy tearing and the thickness of 0.07mm, and the non-compound surface below the CPE cover film is coated with the fresh-keeping coating, so that the flat leak-proof easy-tearing cup cover film is formed.

Examples 1, 2 and 3 were each made with different thicknesses, example 1 being applicable to a lid film with a larger opening of the cup, example 2 being applicable to a lid film with a smaller opening of the cup, and example 3 being a universal lid film.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a level leak protection is easy to tear bowl cover membrane, its characterized in that, including having very nature layer (1) of broadness, have flexible layer (2) of flexibility, as easy tear layer (3) of basement, very nature layer (1 flexible layer (2) easy tear layer (3) overlap in proper order top-down and set up, very nature layer (1) with use glue to compound between flexible layer (2), flexible layer (2) with use glue to compound between easy tear layer (3).

2. The flat leak-proof easy-tearing cup cover film according to claim 1, wherein the stiff layer (1) is a PET film with good stiffness.

3. A flat leak-proof easy-to-tear cap film according to claim 1, characterized in that the flexible layer (2) is a KPA film with flexibility.

4. The flat leak-proof easy-to-tear cup cover film according to claim 1, wherein the easy-to-tear layer (3) is an easy-to-tear CPE cover film.

5. The flat leak-proof easy-to-tear cup cover film according to claim 1, characterized in that the thickness of the stiff layer (1) is 0.01-0.014mm.

6. The flat leak-proof easy-to-tear cup cover film according to claim 1, wherein the thickness of the flexible layer (2) is 0.015-0.019mm.

7. The flat leak-proof easy-tearing cup cover film according to claim 1, wherein the thickness of the easy-tearing layer (3) is 0.06-0.08mm.

8. The flat leak-proof easy-to-tear cup cover film according to claim 1, wherein the glue for compounding is a polyurethane adhesive with a viscosity of 20 ℃ mPa-s.

9. A flat leak-proof easy-to-tear cup cover film according to claim 1, characterized in that the non-composite surface below the easy-to-tear layer (3) is coated with a fresh-keeping coating (4).

10. The flat leak-proof easy-to-tear cup cover film according to claim 9, wherein the freshness-retaining coating (4) is formed by coating with a freshness-retaining agent.