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Manufacturing method of enhanced paper-plastic-aluminum composite film

A production method, aluminum composite technology, applied in the field of food packaging, to achieve the effect of high compressive strength, low water content, and increase product qualification rate

Inactive Publication Date: 2020-04-28
SUQIAN FANGYUAN PLASTIC PACKAGING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for making reinforced paper-plastic-aluminum composite film, which solves the problems encountered in the process of making cylindrical composite paper cans for the paper-plastic-aluminum composite film

Method used

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Embodiment Construction

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. 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.

[0033] The invention relates to a method for making an enhanced paper-plastic-aluminum composite film. The paper-plastic-aluminum composite film uses 32 grams of kraft paper, and the aluminum foil used is pure aluminum foil with a thickness of 0.0065 wires;

[0034] The preparation method of the reinforced paper-plastic-aluminum composite film comprises the following steps:

[0035] The first step is to glue the kraft paper and BOPET:

[0036] a. Place the kraft paper and BOPET on the corresponding composite roll and auxiliary roll on t...

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PUM

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Abstract

The invention relates to an enhanced paper-plastic-aluminum composite film, which is widely applied to the inner package of food due to the good effects of moisture resistance, barrier, environmentalprotection and the like; particularly, when a cylindrical composite paper tank is produced, the existing paper-plastic-aluminum composite film has high treatment difficulty in the flanging treatment process, the moisture-proof effect can be reduced due to high humidity, cracks can occur in the flanging process when the weight exceeds the standard and the humidity is low, and the enhanced paper-plastic-aluminum composite film cannot be used, so that the problems can be well solved by using the enhanced paper-plastic-aluminum composite film produced by the invention.

Description

technical field [0001] The invention relates to the field of food packaging, in particular to a method for making a reinforced paper-plastic-aluminum composite film. Background technique [0002] Paper-plastic-aluminum composite film is widely used in food inner packaging due to its good moisture-proof effect. To produce cylindrical composite paper cans, the composite film needs to be turned inside out. It is very difficult to handle, high humidity will reduce the moisture-proof effect, and the weight exceeds the standard. When the humidity is low, cracks are prone to appear during the eversion process, resulting in poor sealing and cannot be used. Contents of the invention [0003] (1) Solved technical problems [0004] The invention provides a method for making a reinforced paper-plastic-aluminum composite film, which solves the problems encountered in the process of making a cylindrical composite paper can with the paper-plastic-aluminum composite film. [0005] (2) T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/10B32B37/12D21H27/10D21H27/30
CPCB32B37/10B32B37/1207B32B2037/1215B32B2037/243B32B2307/54B32B2310/14B32B2553/00D21H27/10D21H27/30
Inventor 方儒敏
Owner SUQIAN FANGYUAN PLASTIC PACKAGING CO LTD
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