Medical stone toughened polyvinyl alcohol film for preservation of fruits and vegetables and preparation method of polyvinyl alcohol film

A polyvinyl alcohol fruit and vegetable and medical stone technology, applied in the field of materials and agriculture, can solve problems such as condensation of fresh-keeping film, and achieve the effects of prolonging the fresh-keeping period, good air permeability, and solving poor environmental protection.

Inactive Publication Date: 2017-05-24
陈强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The plastic wrap has good mechanical strength and barrier properties, but there is a problem that it is easy to condense in the plastic wrap during storage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The medical stone toughened polyvinyl alcohol fresh-keeping film for fruits and vegetables of the present embodiment is prepared from the following raw materials in parts by weight: 10 parts of camellia seeds, 8 parts of mint leaves, 2 parts of dried ginger, 1.5 parts of mugwort leaves, 3 parts of cloves, 100 parts of acetone, 10 parts of anhydrous sodium sulfate, 25 parts of medical stone, 3 parts of whey protein, 20 parts of propylene glycol, 12 parts of fungus polysaccharide, 60 parts of corn starch, 10 parts of caustic soda, 30 parts of vinyl acetate, polyvinyl alcohol 250 parts, 40 parts of ammonium persulfate solution, 15 parts of hydroxyethyl acrylate, 5 parts of glycerol monooleate, 10 parts of glycerin, appropriate amount of deionized water.

[0015] The medical stone toughened polyvinyl alcohol fresh-keeping film for fruits and vegetables of the present embodiment is prepared by the following steps:

[0016] (1) Shell camellia seeds, mix them evenly with mint ...

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Abstract

A medical stone toughened polyvinyl alcohol film for preservation of fruits and vegetables is characterized by being prepared from raw materials as follows: camellia seeds, mint leaves, dried ginger, folium artemisiae argyi, clove flowers, acetone, anhydrous sodium sulfate, medical stone, whey protein, propylene glycol, agaric polysaccharide, corn starch, caustic soda, vinyl acetate, polyvinyl alcohol, an ammonium persulfate solution, hydroxyethyl acrylate, glyceryl monooleate, glycerin and a proper amount of deionized water. The medical stone toughened polyvinyl alcohol film for preservation of fruits and vegetables has good mechanical performance, is stable in structure and good in air permeability, also has a good antibacterial function, can reduce endogenous metabolism ageing of the fruits and vegetables and rotting caused by exogenous microorganisms, substantially prolongs the preservation time and effectively keeps the quality of the fruits and vegetables.

Description

technical field [0001] The invention belongs to the field of materials and agriculture, and in particular relates to a medical stone-toughened polyvinyl alcohol fresh-keeping film for fruits and vegetables and a preparation method thereof. Background technique [0002] At present, the storage and preservation methods of fruits and vegetables mainly include low-temperature refrigeration, controlled atmosphere, irradiation, chemical sterilization and plastic wrap packaging. Among them, the fresh-keeping film method is widely used due to its low cost, simple operation, wide application range and obvious effect. The currently used plastic wraps mainly include ordinary plastic wraps, microporous plastic wraps, anti-fog functional plastic wraps, edible plastic wraps and antibacterial plastic wraps. Due to the different fresh-keeping requirements of various fruits and vegetables, a single-function fresh-keeping film cannot meet the requirements. Therefore, it is necessary to devel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L29/04C08L3/02C08L5/00C08L91/00C08K13/06C08K9/04C08K9/10C08K3/34C08K5/053C08F261/04C08J5/18B65D65/46
CPCB65D65/466C08F261/04C08J5/18C08J2329/04C08J2491/00C08L29/04C08L2201/06C08L2201/10C08L2201/14C08L2203/16C08L2205/035C08L3/02C08L5/00C08L91/00C08K13/06C08K9/04C08K9/10C08K3/346C08K5/053Y02W90/10
Inventor 陈强
Owner 陈强
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