Air-permeable and water-proof aquatic product fresh-keeping bag and preparation method thereof

A technology for water permeability and aquatic products, applied in the direction of climate sustainability, bags, sacks, etc., can solve problems such as entry and adverse effects of aquatic products, and achieve the effects of reducing pollution, excellent air permeability and environmental protection.

Inactive Publication Date: 2019-05-03
安徽民祯活性包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although preservatives can extend the fresh-keeping cycle of aquatic products, the preservatives will also remain in the aquatic products. Although the aquati

Method used

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  • Air-permeable and water-proof aquatic product fresh-keeping bag and preparation method thereof
  • Air-permeable and water-proof aquatic product fresh-keeping bag and preparation method thereof
  • Air-permeable and water-proof aquatic product fresh-keeping bag and preparation method thereof

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preparation example Construction

[0036] The present invention also provides a method for preparing the above-mentioned fresh-keeping bag for aquatic products with air-permeable and water-impermeable properties, comprising the following steps:

[0037] a) dissolving the gelling agent in water, preparing a gel solution with a concentration of 20-30wt%, adding antibacterial substances, hexacyclite particles, far-infrared ceramic powder, calcium hydroxide, and porous fillers and stirring evenly to obtain the first 1. mix, spare;

[0038] b) adding polybutylene succinate, cellulose acetate, resveratrol, chitosan, zinc stearate and a plasticizer to the organic solution, and stirring evenly to obtain a second mixture for subsequent use;

[0039] c) Add the first mixture obtained in step a) to the second mixture obtained in step b), mix evenly, carry out blending and granulation, extrude film blowing, cooling, edge pressing, and make it with a bag making machine. A fresh-keeping bag for aquatic products with breatha...

Embodiment 1

[0043] In embodiment 1 and embodiment 5, plasticizer is citric acid, and in embodiment 2, plasticizer is methyl formate, and in embodiment 3, plasticizer is triacetin, and in embodiment 4, plasticizer is glycerol alcohol.

[0044] Example 1

[0045] A fresh-keeping bag for aquatic products with air-permeable and water-impermeable properties, comprising the following raw materials in parts by weight:

[0046] 130 parts of polybutylene succinate, 15 parts of polyglutamic acid, 3 parts of resveratrol, 4 parts of chitosan, 5 parts of antibacterial substances, 4 parts of zinc stearate, 3.5 parts of particle size 300~ 500nm hexacyclite particles, 2 parts of far-infrared ceramic powder with a particle size of 200-300nm, 10 parts of calcium hydroxide, 30 parts of porous filler, 33 parts of gelling agent and 2.3 parts of plasticizer;

[0047] The antibacterial substance is N,N-dialkyldithiocarbamate, bamboo charcoal fiber and dry mangosteen shell powder, the mass of N,N-dialkyldithio...

Embodiment 2

[0055] A fresh-keeping bag for aquatic products with air-permeable and water-impermeable properties, comprising the following raw materials in parts by weight:

[0056] 140 parts of polybutylene succinate, 17 parts of polyglutamic acid, 3.5 parts of resveratrol, 6 parts of chitosan, 7 parts of antibacterial substances, 5 parts of zinc stearate, 3 parts of particle size of 300~ 500nm hexacyclite particles, 2.5 parts of far-infrared ceramic powder with a particle size of 200-300nm, 13 parts of calcium hydroxide, 26 parts of porous filler, 35 parts of gelling agent and 2.6 parts of plasticizer;

[0057] The antibacterial substance is N,N-dialkyldithiocarbamate, bamboo charcoal fiber and dry mangosteen shell powder, the mass of N,N-dialkyldithiocarbamate, bamboo charcoal fiber and dry mangosteen shell powder The ratio is 0.5:4.5:1;

[0058] The porous filler includes porous ceramics, volcanic rock, diatomite and vermiculite, the mass ratio of porous ceramics, volcanic rock, diato...

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Abstract

The invention provides an air-permeable and water-proof aquatic product fresh-keeping bag and a preparation method thereof. The aquatic product fresh-keeping bag has excellent air permeable and water-proof performance as well as good mechanical strength, resveratrol and antibacterial substances enable the fresh-keeping bag to have antibacterial performance, and it is guaranteed that bacteria failto breed in the fresh-keeping bag for a long time; calcium hydroxide can absorb water permeating the inside and the outside of the fresh-keeping bag, so that the fresh-keeping bag is made to have a water-proof function; porous packing can guarantee that the fresh-keeping bag has an air-permeable and water-proof function; and poly butylene succinate and polyglutamic acid enables the fresh-keeping bag to have a biodegradation function, pollution is reduced, and environment protection is facilitated. The air-permeable and water-proof aquatic product fresh-keeping bag is safe and innoxious, has noadverse influence on aquatic products and can be fully utilized, in addition, the aquatic products are not prone to rotting, the fresh-keeping bag is suitable for fresh-keeping of the aquatic products, and the fresh-keeping period of the aquatic products is prolonged.

Description

technical field [0001] The invention belongs to the field of fresh-keeping of aquatic products, and in particular relates to a fresh-keeping bag for aquatic products with air-permeable and water-impermeable properties and a preparation method thereof. Background technique [0002] my country has a vast territory, abundant resources and a wide variety of aquatic products. In recent years, with the continuous development of the aquaculture industry, my country's annual output of aquatic products has continued to remain above 50 million tons, ranking first in the world for 15 consecutive years. Aquatic products (especially fish and shellfish) occupy an important position in the food structure, and their low-fat, low-calorie, and high-protein characteristics are indispensable elements in a reasonable dietary structure, and are favored by consumers. [0003] However, due to the microorganisms contained in aquatic products or remaining in the storage process, they grow and reprod...

Claims

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Application Information

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IPC IPC(8): B65D30/02B65D33/02B65D33/00
CPCY02W90/10
Inventor 宋建民王德海黄祥君石丹垚宛荣生常红影
Owner 安徽民祯活性包装材料有限公司
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