Freshness-keeping package material capable of strongly replacing gas

A fresh-keeping packaging and gas replacement technology, applied in the field of fresh-keeping packaging materials, can solve the problems of unstable atmosphere index of fruit and vegetable plastic wrap, weak ability to replace harmful gases, poor two-way adjustment ability, etc., and achieve good fresh-keeping effect and two-way adjustment ability Strong, strong displacement effect

Inactive Publication Date: 2014-05-28
WUXI HUANGSHENG PACKING PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the atmosphere index of various fruit and vegetable plastic wraps is unstable. 2 and CO 2 The two-way adjustment ability is not good, the harmful gas replacement ability produced by the metabolism of fruits and vegetables in storage is weak, the moisture permeability is poor, and it is easy to condense inside, the time for keeping fruits and vegetables fresh is short, and the fresh-keeping effect is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A fresh-keeping packaging material with strong displacement gas, the packaging material is composed of the following components in parts by weight: 100 parts of low-density polyethylene resin, 35 parts of linear polyethylene resin, 18 parts of ethylene vinyl acetate resin, -200 mesh diatoms 13 parts of soil, 13 parts of -100-+200 mesh kaolin, 2 parts of -300 mesh montmorillonite, 15 parts of vinyl silane A1715, 1.8 parts of glycerol monostearate, 5.5 parts of polyethylene wax.

Embodiment 2

[0013] A fresh-keeping packaging material with strong displacement gas, the packaging material is composed of the following components in parts by weight: 100 parts of low-density polyethylene resin, 45 parts of linear polyethylene resin, 16 parts of ethylene vinyl acetate resin, -200 mesh diatoms 15 parts of soil, 11 parts of -100-+200 mesh kaolin, 4 parts of -300 mesh montmorillonite, 13 parts of vinyl silane A1713, 2.2 parts of glycerol monostearate, 3.5 parts of polyethylene wax.

Embodiment 3

[0015] A fresh-keeping packaging material with strong displacement gas, the packaging material is composed of the following components in parts by weight: 100 parts of low-density polyethylene resin, 40 parts of linear polyethylene resin, 17 parts of ethylene vinyl acetate resin, -200 mesh diatoms 14 parts of soil, 12 parts of -100-+200 mesh kaolin, 3 parts of -300 mesh montmorillonite, 14 parts of vinyl silane A1714, 2.0 parts of glycerol monostearate, 4.5 parts of polyethylene wax.

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PUM

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Abstract

The invention discloses a freshness-keeping package material capable of strongly replacing gas. The package material is prepared from the following components in parts by weight: 100 parts of low-density polyethylene resin, 35-45 parts of linear polyethylene resin, 16-18 parts of ethylene-vinyl acetate resin, 13-15 parts of -220 mesh diatomite, 11-13 parts of -100 to +200 mesh kaolin, 2-4 parts of -300 imvite, 3-5 parts of vinylsilane A171, 1.8-2.2 parts of glycerol monostearate and 3.5-5.5 parts of polyethylene wax.

Description

technical field [0001] The invention relates to the technical field of packaging materials, in particular to a fresh-keeping packaging material with strong displacement gas. Background technique [0002] After fruits and vegetables are picked, they are still a biological organism during storage, constantly undergoing metabolism and physiological decay, so the preservation of fruits and vegetables is very important. [0003] At present, there are many storage methods. Putting fruits and vegetables into polyethylene film packaging bags and sealing them in a controlled atmosphere storage is the most commonly used method. Due to the poor air permeability of the polyethylene film, the seal of each bag should be opened and vented regularly during the storage period, which increases the labor intensity and makes it difficult to ensure the storage quality. In order to solve this problem, a silicon window preservative film has appeared. Its structure is to open a certain area of ​​h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08K13/02C08K3/34C08K5/5425B65D65/38
CPCC08L23/06C08K2201/003C08K2201/014C08L2205/025C08L2205/035C08L2207/066
Inventor 黄盛
Owner WUXI HUANGSHENG PACKING PROD
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