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A packaging material for beverages

A technology for packaging materials and beverages, applied in the field of biodegradable packaging materials for beverages, can solve the problems of pure starch-based plastics with low mechanical properties and heat resistance, poor plastic properties and mechanical properties, and unsuitable for beverage storage. Simple and feasible, good plastic properties and mechanical properties, and the effect of enhancing the performance of oxygen barrier and moisture resistance

Active Publication Date: 2016-04-13
莒南和信食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mechanical properties and heat resistance of pure starch-based plastics are relatively low, which limits their popularization and application.
Prior art CN102417615A discloses a biodegradable plastic, which has certain biodegradability, but also has defects such as poor degradation performance and reduced basic plastic performance; Chinese invention patent CN201210228005 discloses a biodegradable plastic , the plastic has a certain degradability, but its plastic and mechanical properties are poor, so it is not suitable for storage of beverages
Chinese invention patent CN201310383930 discloses a composite packaging bag for beverages and foods. The packaging bag has good plastic and mechanical properties, but poor degradability and easy to cause environmental pollution.

Method used

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  • A packaging material for beverages
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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A packaging material for beverages, which is prepared from the following raw materials in parts by weight:

[0020] Polyhexamethylene adipate (also known as polyhexamethylene adipamide, abbreviated as NY66) 50, polyvinyl alcohol 45, polyvinylidene chloride 30, polyethylene glycol 20, polyglycolic acid 18, corn starch 12 , bamboo fiber 10, egg shell powder 8, fatty acid sodium 6, zinc oxide 5, epoxidized soybean oil 3, talc powder 1, diatomite 1; the cornstarch, egg shell powder, talcum powder and diatomite particles The average diameter is controlled above 300 mesh.

[0021] The preparation method of above-mentioned packing material, comprises the steps:

[0022] 1) take each raw material according to parts by weight;

[0023] 2) Add the raw materials into the reactor one by one. The temperature of the reactor is controlled at 70°C. Stir while adding the raw materials. After stirring evenly, let the reaction stand for 10 minutes to obtain the mixture A;

[0024] 3) T...

Embodiment 2

[0027] A packaging material for beverages, which is prepared from the following raw materials in parts by weight:

[0028] Polyhexamethylene adipate 60, polyvinyl alcohol 50, polyvinylidene chloride 35, polyethylene glycol 25, polyglycolic acid 22, corn starch 16, bamboo fiber 13, egg shell powder 10, sodium fatty acid 9, oxidation Zinc 7, epoxidized soybean oil 4, talcum powder 2, diatomite 2; the particle diameters of the corn starch, egg shell powder, talc powder and diatomite are all controlled above 300 mesh.

[0029] The preparation method of above-mentioned packaging material, this method comprises the steps:

[0030] 1) take each raw material according to parts by weight;

[0031] 2) Add the raw materials into the reactor one by one. The temperature of the reactor is controlled at 80°C. Stir while adding the raw materials. After stirring evenly, let stand for reaction for 10 minutes to obtain the mixture A;

[0032] 3) The mixture A obtained in step 2) is introduced ...

Embodiment 3

[0035] The performance test parameters of the packaging material prepared by the present invention are shown in the following table 1, and the packaging film with a thickness of 60 microns prepared in Example 1 and the packaging film with a thickness of 100 microns prepared in Example 2 are example:

[0036] Table 1

[0037]

[0038]

[0039] Conclusion: through the performance test parameters, it can be found that the mechanical properties, plastic properties and antibacterial properties of the packaging materials prepared by the present invention are better, can completely replace the existing market plastic products, and the biodegradation rate can reach more than 80%, greatly reducing the packaging cost. The material pollutes the environment and can be widely used in the field of beverage and food.

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Abstract

The invention belongs to the field of packaging materials, and discloses a packaging material for beverage. The packaging material is prepared from 50 to 60 parts by weight of polyamide-66, 45 to 50 parts by weight of polyvinyl alcohol, 30 to 35 parts by weight of polyvinylidene chloride, 20 to 25 parts by weight of polyethylene glycol, 18 to 22 parts by weight of polyglycolic acid, 12 to 16 parts by weight of corn starch, 10 to 13 parts by weight of bamboo fibers, 8 to 10 parts by weight of egg shell meal, 6 to 9 parts by weight of fatty acid sodium, 5 to 7 parts by weight of zinc oxide, 3 to 4 parts by weight of epoxidized soybean oil, 1 to 2 parts by weight of talc powder and 1 to 2 parts by weight of diatomaceous earth. The invention also discloses a preparation method for the packaging material. The prepared packaging material is high in mechanical performance, plasticity, antibacterial performance and biodegradability, and can be widely applied to the field of beverage and food.

Description

technical field [0001] The invention belongs to the technical field of food packaging, in particular relates to a packaging material for drinks, in particular to a biodegradable packaging material for drinks. Background technique [0002] Beverages need to be packaged for sale, and packaging materials are divided into glass products, metal products, and plastic products. According to different types of beverages, corresponding packaging materials can be selected. At present, plastic packaging materials are widely used. Polyethylene plastic packaging products in plastic materials are disposable packaging products with low prices and are widely used in daily life. Because there is basically no recycling value, the recovery rate is extremely low. Because of its light weight and non-degradable characteristics, it drifts with the wind, pollutes the land and water, and accounts for the main part of the white garbage that has formed in our country. At present, my country has exp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/06C08L29/04C08L27/08C08L71/00C08L67/04C08L3/02C08L97/02C08L1/02C08K13/02C08K3/26C08K5/098C08K3/22C08K5/1515C08K3/34B29C47/92B65D65/38B29C48/92
CPCB29C48/625B29B7/72B29B7/90B29C48/397B29C48/92B29C2948/92609B29C2948/92704B29C2948/92723B29C2948/92923
Inventor 陈利山
Owner 莒南和信食品有限公司
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