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Boiling-resistant high-barrier composite coiled film

A high-barrier, composite roll technology, applied in the direction of synthetic resin layered products, flexible coverings, containers, etc., can solve the problems of restricting retort bags, poor barrier properties, and ink is easy to fall into food, etc.

Inactive Publication Date: 2016-09-07
ANHUI KAIHANG PACKAGING TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with canned food, retort pouch food uses flexible packaging materials and is vacuum-packed with a reserved volume without air to form a compact and thinner packaging form. Its heat transfer is fast and it can achieve the sterilization effect in a short time. Therefore, it has become the general trend of food industry packaging bags in the 21st century. However, the current retort bags still have some disadvantages, such as: not good enough heat resistance, poor barrier properties, ink is easy to fall into the food, etc., which restrict the retort bags. development must be improved

Method used

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  • Boiling-resistant high-barrier composite coiled film

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Embodiment Construction

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0016] combined with figure 1 , a retort-resistant high-barrier composite roll film of the present invention, from outside to inside, it is an outer layer of polypropylene film 1, a polyurethane ink layer 2, an outer layer of polyurethane glue 3, a silicon oxide-coated polyester film layer 4, and an inner layer of polyurethane glue 5 and the poly...

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Abstract

The invention provides a boiling-resistant high-barrier composite coiled film, and relates to the technical field of film materials. The composite coiled film sequentially comprises a polypropylene film external layer, a polyurethane ink layer, a polyurethane glue external layer, a monox-plated polyester film, a polyurethane glue internal layer and a polypropylene film internal layer from outside to inside, the polypropylene film external layer and the monox-plated polyester film are bonded through the polyurethane glue external layer, the polypropylene film internal layer and the monox-plated polyester film are bonded through the polyurethane glue internal layer, and the polyurethane ink layer is printed between the polypropylene film external layer and the polyurethane glue external layer. The boiling-resistant high-barrier composite coiled film has advantages of super high barrier performance, realization of no curling of films at a high temperature, and resistance to 135DEG C high temperature boiling.

Description

technical field [0001] The invention relates to the technical field of film materials, in particular to a retort-resistant high-barrier composite roll film. Background technique [0002] Retort pouch refers to a packaging bag made of composite film that can be used to package food, medical equipment, etc. and can withstand high-temperature steam (above 100°C) heat sterilization, also known as retortable flexible packaging or soft cans. Compared with canned food, retort pouch food uses flexible packaging materials and is vacuum-packed with a reserved volume without air to form a compact and thinner packaging form. Its heat transfer is fast and it can achieve the sterilization effect in a short time. Therefore, it has become the general trend of food industry packaging bags in the 21st century. However, the current retort bags still have some disadvantages, such as: not good enough heat resistance, poor barrier properties, ink is easy to fall into the food, etc., which restric...

Claims

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Application Information

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IPC IPC(8): B32B27/32B32B27/08B32B27/36B32B7/12B32B33/00B65D65/40
CPCB32B27/32B32B7/12B32B27/08B32B27/36B32B33/00B32B2250/246B32B2307/306B32B2307/7242B32B2307/7265B32B2323/10B32B2367/00B32B2439/06B65D65/40
Inventor 朱宗丁
Owner ANHUI KAIHANG PACKAGING TECH CO LTD
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