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A flame-retardant antibacterial compound containing halloysite and its preparation method

A composite, halloysite nanotube technology, applied in the field of flame retardant and antibacterial composites and their preparation, can solve the problems of insignificant flame retardant effect and the like

Active Publication Date: 2021-06-22
EAST CHINA UNIV OF SCI & TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The crystal water decomposed by halloysite nanotubes at high temperature can dilute combustible gas and inhibit the spread of combustion. However, when only halloysite is added to the polymer, the flame retardant effect is not obvious, so halloysite is generally used as a synergistic retarder. fuel

Method used

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  • A flame-retardant antibacterial compound containing halloysite and its preparation method
  • A flame-retardant antibacterial compound containing halloysite and its preparation method
  • A flame-retardant antibacterial compound containing halloysite and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] 1, the preparation of Elonan nanotubes carrying copper-like monument:

[0073] 10 g of Elonin nanotubes were dispersed in 100 ml of toluene, and 10 g of A-1110 coupling agent was added, and 20 min was tested at room temperature, then warmed to 60 ° C, after refluxing and stirring for 4 h, washed twice with toluene. It was dried in vacuo at 80 ° C for 4 h to give modified Elonan nanotubes. 7.5 g of copper chloride was dissolved in 100 ml of water, and 5 g of modified Eloni nanotubes were added, 15 min was tested at room temperature, then warmed to 60 ° C, stirred for 7 h, and washed twice with deionized water. It was dried in vacuo at 80 ° C for 4 h to obtain an endonal nanotube loaded with copper ions. The 4G loaded copper ions were added to 50 ml of deionized water, and the ultrasonic treatment was 15 min, then slowly warmed to 85 ° C, 0.25 g of ascorbic acid, stirred for 2 h, washed with deionized water, at 60 ° C Dry 10 h to get an Elonan nanotube loaded with copper.

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Embodiment 2

[0077] 1, the preparation of Elonan nanotubes carrying copper-like monument:

[0078] 10 g of Elonan nanotubes were dispersed in 100 ml of toluene, and 10 g of KH-602 coupling agent was added, and 20 min was tested at room temperature, then warmed to 60 ° C, after refluxing and stirring for 4 h, was washed twice with toluene. It was dried in vacuo at 80 ° C for 4 h to give modified Elonan nanotubes. 7.5 g of nitrate copper was dissolved in 50 mL of water, and 5 g of modified Eloni nanotubes were added, and 15 min was treated at room temperature, then warmed to 60 ° C, stirred for 6 h, and washed with deionized water twice to the resulting product. It was dried in vacuo at 80 ° C for 4 h to obtain an endonal nanotube loaded with copper ions. The 4G loaded copper ions were added to 50 mL of deionized water, and the ultrasonic treatment was 15 min, then slowly warmed to 85 ° C, 0.25 g of sodium borohydride, stirred for 2 h, washed with deionized water, at 60 It was dried at ° C for 1...

Embodiment 3

[0082] 1, the preparation of Elonan nanotubes carrying copper-like monument:

[0083] 10 g of Elonan nanotubes were dispersed in 100 ml of ethanol, and 5 g of KH-550 coupling agent was added, and 20 min was tested at room temperature, then warmed to 60 ° C, stirring the reaction for 4 h, washed with ethanol twice with ethanol, It was dried in vacuo at 80 ° C for 4 h to give modified Elonan nanotubes. 5 g of copper sulfate was dissolved in 50 mL of water, and 5 g of modified Eloni nanotubes were added, and 15 min was tested at room temperature, then warmed to 60 ° C, stirred for 6 h, and washed with deionized water twice to the resulting product. The vacuum was dried in vacuo at 80 ° C to obtain an endonal nanotube loaded with copper ions. The 4G loaded copper ions were added to 50 ml of deionized water, and the ultrasonic treatment was 15 min, then slowly warmed to 85 ° C, 0.25 g of ascorbic acid, stirred for 2 h, washed with deionized water, at 60 ° C Dry 10 h to get an Elonan na...

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Abstract

A flame-retardant and antibacterial compound containing halloysite and a preparation method thereof. The invention provides a flame-retardant and antibacterial compound containing halloysite nanotubes, which is halloysite nanotubes loaded with copper simple substance and phosphate ester. The flame retardant antibacterial compound containing halloysite nanotubes of the present invention can be uniformly dispersed in the polymer matrix, and can impart antibacterial and flame retardant properties to the polymer without significantly affecting the mechanical properties of the polymer, extending the polymerization The scope of application of the material.

Description

Technical field [0001] The present invention belongs to the field of polymer composite auxiliaries, and more particularly to a flame-retardant antibacterial complex containing Elovite and a preparation method thereof. Background technique [0002] In recent years, the polymer industry has developed rapidly, and plastics have been applied in various fields of life. As people's living environment and levels continue to increase, people want common plastic simultaneous flame retardant and antibacterial properties. Therefore, on the basis of flame retardation, it is the development trend of plastics in today's plastics. It has great application value in emerging fields such as flame retardant, antibacterial multi-function plastic products. [0003] Conventional antibacterial, flame retardant modification method is to add antibacterial agents and flame retardants in the polymer matrix, thereby imparting polymer flame retardancy and antimicrobiality. However, this method needs to be ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K13/06C08K9/12C08K3/08C08K5/521C08K5/523C08L23/12C08L67/02
CPCC08K3/08C08K5/521C08K5/523C08K9/12C08K13/06C08K2003/085C08K2201/011C08L2201/02C08L23/12C08L67/02
Inventor 李秋影张善钰金谊吴维光
Owner EAST CHINA UNIV OF SCI & TECH
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