Antibacterial material and preparation method thereof

A technology of antibacterial materials and mesoporous materials, applied in the manufacture of rayon, single-component polyamide rayon, single-component polyester rayon, etc., can solve the problem of long spinning cycle, complicated preparation process, limited metal Ion load content and other issues, to achieve stable performance without discoloration, stable and lasting performance

Active Publication Date: 2016-02-24
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned invention patents all adopt the metal ion replacement method to load silver ions in the zirconium phosphate matrix, and the preparation process is relatively complicated, which limits the increase of the metal ion loading content.
[0004] In the field of preparation of antibacterial polymer fibers, the invention patent CN102691129B discloses an antibacterial polyester fiber and its production method and its application. The antibacterial component is mixed with polyester resin to prepare master batches, and then melt-spun with polyester resin. long silk cycle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] An antibacterial material comprises a polyester matrix in which silver-loaded mesoporous zirconium phosphate nanopowders are dispersed. The preparation method of above-mentioned antibacterial material is:

[0037] (1) Add 100g of mesoporous zirconium phosphate nanopowder (mesoporous size is 4-15nm, particle size is 200-800nm), 3g of pentaerythritol tetramercaptoacetate into 100mL of chloroform, airtight ultrasonic dispersion at room temperature (ultrasonic frequency: 40KHz) for 2 hours; then add 20g of silver nitrate and stir for 24 hours at a rotational speed of 500r / min. The chloroform solvent was removed by spray drying, and then the obtained powder was calcined at 1200°C for 3 hours to obtain a silver-loaded mesoporous zirconium phosphate nanopowder with a diameter of 200-800nm ​​and a silver-loaded mass content of 8%. body.

[0038] (2) Add 200g of silver-loaded mesoporous zirconium phosphate nanopowder, 540g of purified terephthalic acid, 260g of ethylene glycol...

Embodiment 2

[0042] An antibacterial material comprises a polyester matrix in which silver-loaded mesoporous zirconium phosphate nanopowders are dispersed. The preparation method of above-mentioned antibacterial material is:

[0043](1) Add 100g of mesoporous zirconium phosphate nanopowder (mesoporous size is 4-15nm, particle size is 200-800nm), 3g of pentaerythritol tetramercaptoacetate into 100mL of chloroform, airtight ultrasonic dispersion at room temperature (ultrasonic frequency: 40KHz) for 2 hours; then add 20g of silver nitrate and stir at 500r / min for 24 hours. The chloroform solvent was removed by spray drying, and then the obtained powder was calcined at 1200°C for 3 hours to obtain silver-loaded mesoporous zirconium phosphate nanopowder with a diameter of 300-600nm and a silver-loaded mass content of 8%. body.

[0044] (2) Add 60g of silver-loaded mesoporous zirconium phosphate nanopowder, 634.5g of purified terephthalic acid, 305.5g of ethylene glycol, and 0.2g of ethylene g...

Embodiment 3

[0047] An antibacterial material comprises a polyester matrix in which silver-loaded mesoporous zeolite nanopowders are dispersed. The preparation method of above-mentioned antibacterial material is:

[0048] (1) Add 100g of nano-zeolite (pore size 5-15nm, particle size 300-700nm), 6g quaternary 1,3-dimercaptopropane into 100mL of dichloromethane, and disperse with airtight ultrasonic at room temperature (ultrasonic frequency: 40KHz) for 0.5 hours; then add 10 g of silver nitrate and stir at 500 r / min for 24 hours. The dichloromethane solvent was removed by spray drying, and then the obtained powder was calcined at 400°C for 1 hour to obtain a silver-loaded mesoporous zeolite nanopowder with a diameter of 250-700 nm and a silver-loaded mass content of 4%. .

[0049] (2) Melt and blend silver-loaded mesoporous zeolite nanopowder and fiber-grade polyethylene terephthalate (intrinsic viscosity, 0.675-0.682dL / g) in a mass ratio of 1:4 through a twin-screw granulator Granulation...

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Abstract

The invention provides an antibacterial material and a preparation method thereof. The antibacterial material is characterized by comprising a polymer matrix in which silver-loaded non-metallic mesoporous materials are scattered. The preparation method of the antibacterial material includes the steps that the silver-loaded non-metallic mesoporous materials are prepared; the silver-loaded non-metallic mesoporous materials and raw materials containing polymer monomers are subjected to in-situ polymerization and direct spinning of melt or polymerized products are subjected to blended spinning so that antibacterial fibers containing the silver-loaded non-metallic mesoporous materials can be prepared; or the silver-loaded non-metallic mesoporous materials and polymer materials are blended and pelletized, and the antibacterial fibers containing the silver-loaded non-metallic mesoporous materials are prepared through melt spinning. The material has a lasting antibacterial effect.

Description

technical field [0001] The invention belongs to the field of preparation of antibacterial agents and antibacterial fibers, and in particular relates to an antibacterial material and a preparation method thereof. Background technique [0002] With the advancement of science and technology and the improvement of living standards, people's awareness of the safety protection of the living environment has increased. Among them, coatings with antibacterial function, antibacterial plastic daily necessities, antibacterial clothing and home textiles have all received extensive attention. Especially in terms of safety protection in contact with the skin, antibacterial and deodorant are particularly important. At present, the types of antibacterial agents include organic antibacterial agents, organometallic antibacterial agents, compound antibacterial agents, nano-metal antibacterial agents, and inorganic powder-supported metal antibacterial agents. [0003] Among the above-mentioned...

Claims

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Application Information

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IPC IPC(8): D01F1/10D01F6/62D01F6/90D01F6/92D01F8/06D01F8/14D01F8/16
CPCD01F1/10D01F6/62D01F1/103D01F6/90D01F6/92D01F8/06D01F8/14D01F8/16
Inventor 朱美芳相恒学陈伟夏维孙宾周家良
Owner DONGHUA UNIV
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