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Preparation method and application of oxygen-releasing antibacterial material

An antibacterial material and oxygen-releasing technology, which is applied in the field of preparing oxygen-releasing antibacterial materials, can solve the problems such as death of seafood due to lack of oxygen, breeding of bacteria, decay of fruits and vegetables, etc., and achieves the effects of low cost, small amount of addition and wide range of sources.

Inactive Publication Date: 2020-03-20
晋江瑞碧科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The harvesting of fruits, vegetables and seafood has obvious seasonality and regionality, and requires better storage conditions and a longer storage period during transportation. Regardless of whether it is fruits, vegetables or seafood, it will be accompanied by breathing during transportation and storage. Respiration is accompanied by metabolism, water evaporation and oxygen consumption, which breeds bacteria, eventually causing the death of seafood and the rot of fruits and vegetables, resulting in huge economic losses

Method used

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  • Preparation method and application of oxygen-releasing antibacterial material
  • Preparation method and application of oxygen-releasing antibacterial material
  • Preparation method and application of oxygen-releasing antibacterial material

Examples

Experimental program
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Embodiment 1

[0036] The preparation method of a kind of oxygen releasing antibacterial material involved in the present embodiment is as follows:

[0037] (1) Preparation of mesoporous silica tubes

[0038] Weigh 0.5g of the composition of sodium N-tetradecyl-β-alanine and sodium N-lauroyl sarcosinate (mass ratio 1:1) and dissolve it in 20ml of deionized water, and add 0.5g of it while stirring at room temperature 1.4mol / L hydrochloric acid solution until uniform, add 1.6g tetraethoxysilane and 0.2g N-trimethoxypropylsilane-N,N,N-trimethylammonium chloride successively, stir fully at room temperature for 0.5h rear. Placed at a constant temperature of 40°C for 2 days, centrifuged, washed, dried, and calcined to obtain mesoporous silica tubes with uniform diameters.

[0039] (2) Preparation of mesoporous silica tube loaded with calcium peroxide

[0040] Mix 10g of calcium peroxide with 40ml of acetone, stir well, add γ-glycidyl etheroxypropyl trimethoxysilane coupling agent, and react at ...

Embodiment 2

[0048] The preparation method of a kind of oxygen releasing antibacterial material involved in the present embodiment is as follows:

[0049] (1) Preparation of mesoporous silica tubes

[0050] Weigh 0.8g of the composition of sodium N-tetradecyl-β-alanine and sodium N-lauroyl sarcosinate (mass ratio 1:2) and dissolve it in 30ml of deionized water, and add 0.5g concentration while stirring at room temperature 1.4mol / L hydrochloric acid solution until uniform, add 2.0g tetraethoxysilane and 0.25g N-trimethoxypropylsilane-N,N,N-trimethylammonium chloride successively, stir fully at room temperature for 0.5 after h. Placed at a constant temperature of 40°C for 2 days, centrifuged, washed, dried, and calcined to obtain mesoporous silica tubes with uniform diameters.

[0051] (2) Preparation of mesoporous silica tube loaded with calcium peroxide

[0052] Mix 15g of calcium peroxide with 50ml of acetone, stir well, add 3-aminopropyltriethoxysilane coupling agent, and react at 80°C ...

Embodiment 3

[0060] The preparation method of a kind of oxygen releasing antibacterial material involved in the present embodiment is as follows:

[0061] (1) Preparation of mesoporous silica tubes

[0062] Weigh 0.9g of the composition of sodium N-tetradecyl-β-alanine and sodium N-lauroyl sarcosinate (mass ratio 2:1) and dissolve it in 35ml of deionized water, and add 0.5g concentration while stirring at room temperature 1.4mol / L hydrochloric acid solution until uniform, add 2.5g tetraethoxysilane and 0.3g N-trimethoxypropylsilane-N,N,N-trimethylammonium chloride in sequence, stir at room temperature to fully react for 0.5h rear. Placed at a constant temperature of 40°C for 2 days, centrifuged, washed, dried, and calcined to obtain mesoporous silica tubes with uniform diameters.

[0063] (2) Preparation of mesoporous silica tube loaded with calcium peroxide

[0064] Mix 18g of calcium peroxide with 70ml of acetone, stir well, add γ-glycidyl etheroxypropyl trimethoxysilane coupling agen...

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Abstract

The invention discloses a preparation method and application of an oxygen-releasing antibacterial material. According to the preparation method, mesoporous silica tubes are prepared by adopting a softfilm plate method; calcium peroxide is used as an oxygen release agent, and is attached into tube cavities of the mesoporous silica tubes; meanwhile, the mesoporous silica tubes are modified with polyhedral oligomeric silsesquioxane; the mesoporous silica tubes are subjected to end capping to form capsule-shaped structures, finally, the outer walls of the mesoporous silica tubes are subjected tosilver-loading treatment, the antibacterial property of silver ions is utilized to prepare the material with antibacterial and oxygen-releasing dual properties, and the material has the advantages ofsmall addition amount, easiness in industrial production, obvious oxygen-releasing and antibacterial effects and the like.

Description

technical field [0001] The invention relates to an oxygen-releasing antibacterial material, and more specifically relates to a preparation method and application of an oxygen-releasing antibacterial material. Background technique [0002] With the improvement of people's living standards and the increasing awareness of environmental protection, the storage and fresh-keeping packaging of fresh fruits, vegetables and seafood have become more and more important, and there is an increasing demand for fresh-keeping packaging materials that prolong the storage and shelf life of fruits, vegetables and seafood. Big. [0003] The harvesting of fruits, vegetables and seafood has obvious seasonality and regionality, and requires better storage conditions and a longer storage period during transportation. Regardless of whether it is fruits, vegetables or seafood, it will be accompanied by breathing during transportation and storage. Respiration is accompanied by metabolism, water evapo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K9/06C08K3/22C08K7/26C08K9/12C08K9/08C08K3/08C08J5/18C08L23/08
CPCC08J5/18C08J2323/08C08J2423/08C08K3/08C08K3/22C08K7/26C08K9/06C08K9/08C08K9/12C08K2003/0806C08K2201/003
Inventor 刘瑞来胡家朋吴惠民赵瑨云付兴平梁松李路平陈思源肖少芬
Owner 晋江瑞碧科技有限公司