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Modified nano-copper oxide supported zirconium phosphate preservation box material and preparation method thereof

A nano-copper oxide and zirconium phosphate technology, which is applied in the field of crisper materials, can solve the problems of easy-to-breed bacteria on the lid of the crisper, affect appetite, and affect the appearance of the lid of the crisper.

Inactive Publication Date: 2017-10-24
WUHU BLUE SKY ENG PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the lid of the crisper box is mainly made of polymer, which can basically meet the market demand. However, in the process of use, it is often found that the corners of the lid of the crisper box are easy to breed bacteria. If the cleaning is not timely or thorough, the lid of the crisper box will be damaged. And black spots are formed on the configured sealing ring, which on the one hand affects the appearance of the fresh-keeping box cover and affects appetite, and on the other hand accelerates the spoilage of food, which is not conducive to health

Method used

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Examples

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Effect test

preparation example Construction

[0012] The invention provides a method for preparing a modified nano-copper oxide-loaded zirconium phosphate fresh-keeping box material, comprising:

[0013] 1) mixing soluble zirconium salt, soluble phosphate, nano-copper, water and ethanol, and then carrying out hydrothermal reaction to prepare doped zirconium phosphate;

[0014] 2) ball milling nano-copper oxide, cetyltrimethylammonium bromide and doped zirconium phosphate to obtain modified doped zirconium phosphate;

[0015] 3) ABS (acrylonitrile-ethylene-styrene copolymer), polyvinyl acid, light alumina, diethyl malonate, dibutyltin maleate, calcium stearate, sodium sulfide and modified doping The zirconium phosphate is kneaded and shaped to prepare the modified nano-copper oxide-loaded zirconium phosphate fresh-keeping box material.

[0016] In step 1) of the above-mentioned preparation method, the consumption of each material can be selected in a wide range, but in order to further improve the antibacterial properties...

Embodiment 1

[0027] 1) Mix soluble zirconium salt (zirconium nitrate), soluble phosphate (sodium phosphate), nano copper (8nm particle size), water and ethanol according to the ratio of 1mmol: 2.5mmol: 0.2mmol: 13mL: 8mL, and then Hydrothermal reaction at 280°C for 15 hours to prepare doped zirconium phosphate;

[0028] 2) Nano-copper oxide (particle size is 15nm), cetyltrimethylammonium bromide and doped zirconium phosphate are ball milled according to the dosage ratio of 0.18mmol: 18mL: 1mmol (the number ratio of large balls to small balls 2:1.8, the mass ratio of balls to materials is 10:1.5, the rotating speed is 900rpm, and the ball milling time is 50min) to obtain modified doped zirconium phosphate;

[0029] 3) ABS, polyvinyl acid, light alumina, diethyl malonate, dibutyltin maleate, calcium stearate, sodium sulfide and modified doped zirconium phosphate according to 100:40:22:55: The weight ratio of 2:12:9:15 was kneaded at 210°C for 5 hours and molded to obtain the modified nano-c...

Embodiment 2

[0031] 1) Mix soluble zirconium salt (zirconium chloride), soluble phosphate (potassium phosphate), nano-copper (2nm particle size), water and ethanol according to the ratio of 1mmol: 2mmol: 0.1mmol: 10mL: 5mL, and then Hydrothermal reaction at 250°C for 10 hours to prepare doped zirconium phosphate;

[0032] 2) Nano-copper oxide (particle size is 10nm), cetyltrimethylammonium bromide and doped zirconium phosphate are ball milled according to the dosage ratio of 0.16mmol: 15mL: 1mmol (the number ratio of large balls to small balls 2:1.5, the mass ratio of balls to materials is 10:1, the rotating speed is 800rpm, and the ball milling time is 40min) to obtain modified doped zirconium phosphate;

[0033] 3) ABS, polyvinyl acid, light alumina, diethyl malonate, dibutyltin maleate, calcium stearate, sodium sulfide and modified doped zirconium phosphate according to 100:38:18:50: The weight ratio of 1:8:8:11 was kneaded at 200°C for 4 hours and molded to obtain the modified nano-co...

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Abstract

The invention discloses a modified nano-copper oxide supported zirconium phosphate preservation box material and a preparation method thereof. The preparation method comprises the following steps: (1) mixing soluble zirconium salt, soluble phosphate, nano-copper, water and ethanol, and carrying out a hydrothermal reaction, so as to obtain doped zirconium phosphate; (2) carrying out ball milling on nano-copper oxide, cetyl trimethyl ammonium bromide and doped zirconium phosphate, so as to obtain modified doped zirconium phosphate; and (3) carrying out mixing and formation on ABS, polyethylene acid, light aluminum oxide, diethyl malonate, dibutyltin maleate, calcium stearate, sodium sulfide and modified doped zirconium phosphate, so as to obtain the modified nano-copper oxide supported zirconium phosphate preservation box material. The modified nano-copper oxide supported zirconium phosphate preservation box material has excellent antimicrobial performance; and meanwhile, the preparation method has the advantages that the procedure is simple, and the raw materials are easily available.

Description

technical field [0001] The invention relates to a fresh-keeping box material, in particular to a modified nano-copper oxide-loaded zirconium phosphate fresh-keeping box material and a preparation method thereof. Background technique [0002] The lid of the crisper is an important component of the crisper, which not only determines the sealing performance of the crisper, but also directly affects the freshness of the crisper. At present, the lid of the crisper box is mainly made of polymer, which can basically meet the market demand. However, in the process of use, it is often found that the corners of the lid of the crisper box are easy to breed bacteria. If the cleaning is not timely or thorough, the lid of the crisper box will be damaged. And black spots are formed on the configured sealing ring, which affects the appearance of the fresh-keeping box cover on the one hand and affects appetite, and accelerates the spoilage of food on the other hand, which is not conducive to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L33/02C08K13/06C08K9/12C08K3/08C08K3/22
CPCC08L55/02C08K2003/085C08K2003/2248C08K2201/003C08K2201/011
Inventor 钱万水
Owner WUHU BLUE SKY ENG PLASTIC CO LTD
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