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Environment-friendly beverage packaging bag and processing technology thereof

A packaging bag, environment-friendly technology, applied in the field of environment-friendly beverage packaging bags and their processing technology, can solve the problems that packaging bags cannot meet the requirements of beverage packaging, affect the mechanical properties of packaging bags, affect the antibacterial effect of packaging bags, etc., and achieve excellent Antioxidant and antibacterial properties, enhanced antioxidative and antibacterial capabilities, and enhanced activity effects

Active Publication Date: 2020-05-08
广东丹青印务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antibacterial agents in this application are inorganic antibacterial substances such as zinc oxide, copper oxide, or ammonium dihydrogen phosphate, which have poor compatibility with the matrix polymer, which not only affects the antibacterial effect of the packaging bag, but also affects the mechanical properties of the packaging bag. , so that the prepared packaging bags cannot meet the requirements of beverage packaging

Method used

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  • Environment-friendly beverage packaging bag and processing technology thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0045] An environment-friendly beverage packaging bag, comprising the following raw materials in parts by weight: 50 parts of polybutylene succinate (PBS), 16 parts of polybutylene terephthalate adipate (PBAT), modified chitosan 2.6 parts of sugar, 2.2 parts of carbon nanotube whiskers, 1.8 parts of mica powder, 0.5 parts of coupling agent;

[0046] The packing bag is made by the following steps:

[0047] The first step, place polybutylene succinate, polybutylene terephthalate adipate and mica powder in a vacuum drying oven for 24 hours, mix well after drying, and use a torque rheometer to Under the conditions of 175°C and 50r / min, melt banburying was carried out, and the banburying time was 6min to obtain a polymer matrix;

[0048] The second step is to mix the coupling agent and absolute ethanol uniformly according to the volume ratio of 1:12 to obtain a dispersion; add carbon nanotube whiskers and modified chitosan to the dispersion, and stir and mix at 200r / min After 10 ...

Embodiment 2

[0052] An environment-friendly beverage packaging bag, comprising the following raw materials in parts by weight: 55 parts of polybutylene succinate (PBS), 17 parts of polybutylene terephthalate adipate (PBAT), modified chitosan 2.9 parts of sugar, 2.3 parts of carbon nanotube whiskers, 1.9 parts of mica powder, 0.6 parts of coupling agent;

[0053] The packing bag is made by the following steps:

[0054] The first step, place polybutylene succinate, polybutylene terephthalate adipate and mica powder in a vacuum drying oven for 24 hours, mix well after drying, and use a torque rheometer to Under the conditions of 180°C and 50r / min, melt banburying was carried out, and the banburying time was 6.5min to obtain a polymer matrix;

[0055] The second step is to mix the coupling agent and absolute ethanol uniformly according to the volume ratio of 1:13 to obtain a dispersion; add carbon nanotube whiskers and modified chitosan to the dispersion, and stir and mix at 200r / min After 1...

Embodiment 3

[0059] An environment-friendly beverage packaging bag, comprising the following raw materials in parts by weight: 60 parts of polybutylene succinate (PBS), 18 parts of polybutylene terephthalate adipate (PBAT), modified chitosan 3.2 parts of sugar, 2.5 parts of carbon nanotube whiskers, 2 parts of mica powder, 0.7 parts of coupling agent;

[0060] The packing bag is made by the following steps:

[0061] The first step, place polybutylene succinate, polybutylene terephthalate adipate and mica powder in a vacuum drying oven for 24 hours, mix well after drying, and use a torque rheometer to Under the conditions of 185°C and 50r / min, melt banburying was carried out, and the banburying time was 7min to obtain a polymer matrix;

[0062] The second step is to mix the coupling agent and absolute ethanol uniformly according to the volume ratio of 1:15 to obtain a dispersion; add carbon nanotube whiskers and modified chitosan to the dispersion, and stir and mix at 200r / min After 15 mi...

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Abstract

The invention discloses an environment-friendly beverage packaging bag which comprises the following raw materials in parts by weight: 50-60 parts of polybutylene succinate, 16-18 parts of polybutylene terephthalate adipate, 2.6-3.2 parts of modified chitosan, 2.2-2.5 parts of carbon nanotube whiskers, 1.8-2 parts of mica powder and 0.5-0.7 part of a coupling agent. The invention further disclosesa processing technology of the packaging bag. According to the invention, the copolymer of polybutylene succinate and polybutylene terephthalate adipate is used as the polymer matrix of the packagingbag, so that the polymer matrix not only meets the environment-friendly performance of easy degradation, but also has good mechanical properties and heat resistance. By adding modified chitosan and carbon nanotube whiskers and carrying out coupling agent treatment before blending with a polymer matrix, the environment-friendly packaging bag which is easy to degrade, high in mechanical property and barrier property and antibacterial is obtained, and the environment-friendly packaging bag is suitable for packaging beverages.

Description

technical field [0001] The invention belongs to the technical field of packaging bags, and in particular relates to an environment-friendly beverage packaging bag and a processing technology thereof. Background technique [0002] Food packaging is an integral part of food commodities, which can prevent the damage of biological, chemical and physical external factors during the circulation of food from the factory to the hands of consumers. The food industry has always shown great interest in developing packaging of different materials, and the development of new packaging technologies helps to improve the quality and safety of food. For beverage packaging, the more common ones are bottled, canned, boxed, bagged, etc. Beverage packaging bags are widely used because of their low cost, small size, light weight, and portability. Beverage packaging bags are generally made of plastic, or a layer of functional paint is coated on the inner surface of the plastic. Ordinary plastics ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L5/08C08K9/04C08K9/06C08K3/04C08K3/34C08J5/18C08B37/08
CPCC08L67/02C08J5/18C08B37/003C08L2203/16C08L2205/025C08L2205/03C08L5/08C08K9/04C08K9/06C08K3/04C08K3/34
Inventor 薛焕炜薛泽泳孙培强章煜生杨应钦王青郭泽然杨立浩郭润锋
Owner 广东丹青印务有限公司
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