Long-acting antibacterial amino molding compound

An amino molding compound and long-acting technology are applied in the field of long-acting bacteriostatic amino molding compounds to achieve the effects of good miscibility, stable structure, and improved bacteriostatic effect.

Inactive Publication Date: 2015-01-14
CHANGZHOU JOEL PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The above description, the purpose of the present invention and the technical

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment A1

[0050] The preparation method of silver nanowire composite auxiliary agent sample A1 is as follows:

[0051] (1) Add 50 parts of distilled water into the reaction kettle, then add 20 parts of neopentyl glycol, heat to 40°C, add 0.6 parts of hexamethylenetetramine to adjust the pH value to 8.5±0.1, and obtain buffered neopentyl glycol coupling agent solution;

[0052] (2) Keep the reactor at 40°C, add 10 parts of silver nanowires and 10 parts of active nano-zinc oxide into the buffered neopentyl glycol solution, control the temperature of the material at 45°C, stir for 25 minutes, and cool to room temperature through the jacketed water of the reactor , through infiltration and coupling to prepare silver nanowire composite antibacterial additives.

Embodiment A2

[0054] The preparation method of silver nanowire composite auxiliary agent sample A2 is as follows:

[0055] (1) Add 50 parts of water into the reaction kettle, then add 20 parts of neopentyl glycol, heat to 40°C, add 0.6 parts of hexamethylenetetramine to adjust the pH value to 8.5±0.1, and obtain buffered neopentyl glycol coupling agent solution;

[0056] (2) Keep the reactor at 40°C, add 15 parts of silver nanowires and 5 parts of active nano-zinc oxide into the buffered neopentyl glycol solution, control the temperature of the material at 45°C, stir for 25 minutes, and cool to room temperature through the jacketed water of the reactor , through infiltration and coupling to prepare silver nanowire composite antibacterial additives.

Embodiment A3

[0058] The preparation method of silver nanowire composite auxiliary agent sample A3 is as follows:

[0059] (1) Add 50 parts of water into the reaction kettle, then add 25 parts of neopentyl glycol, heat to 40°C, add 0.7 parts of hexamethylenetetramine to adjust the pH value to 8.5±0.1, and obtain buffered neopentyl glycol coupling agent solution;

[0060] (2) Keep the reactor at 40°C, add 20 parts of silver nanowires and 5 parts of active nano-zinc oxide into the buffered neopentyl glycol solution, control the temperature of the material at 45°C, stir for 25 minutes, and cool to room temperature through the jacketed water of the reactor , through infiltration and coupling to prepare silver nanowire composite antibacterial additives.

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Abstract

The invention relates to a long-acting antibacterial amino molding compound. A silver nanowire composite antibacterial assistant comprises the following components in parts by weight: 0-50 (excluding 0) parts of silver nanowire, 0-25 (excluding 0) parts of nano zinc compound, 10-100 parts of alcohol compound, 10-100 parts of distilled water and 0.1-5 parts of hexamethylenetetramine. The long-acting antibacterial amino molding compound comprises the following components in parts by weight: 2000-4000 parts of urea, 4000-8000 parts of formaldehyde, 200-400 parts of melamine, 10-150 parts of silver nanowire composite assistant, 50-150 parts of hexamethylenetetramine, 20-50 parts of ammonium sulfamate curing agent, 100-500 parts of filler, 1000-2500 parts of cellulose, 20-100 parts of lubricant and 1-100 parts of dispersing agent. The antimicrobial ratio of the molding product of the long-acting amino molding compound for Escherichia coli, Staphylococcus aureus, Friedlander's bacillus, Salmonella typhimurium and Enterococcus faecalis is greater than 99.9%, the antimicrobial activity value is greater than 4, and the long-acting amino molding compound has the advantages of favorable mechanical properties and favorable moldability.

Description

technical field [0001] The invention relates to a long-acting antibacterial amino molding compound. The long-term effect mainly refers to the long-term inhibition and killing effect of the amino molding compound molding product on the growth of Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae, Salmonella typhimurium, Enterococcus faecalis and other bacteria. The antibacterial rate is greater than 99.9%, and the antibacterial activity value is greater than 4; the amino molding compound is a thermosetting compound composed of urea, formaldehyde, melamine, silver nanowire composite antibacterial agent and auxiliary agent, mainly used as high-grade sanitary ware, tableware, Molding materials for electrical switches, electrical casings, sockets, circuit breakers and lighting fixtures. technical background [0002] Amino molding plastic raw materials are cheap, free to color, high surface hardness, smooth, with excellent heat resistance, flame retardant and arc resi...

Claims

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Application Information

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IPC IPC(8): C08L61/24C08L1/02C08K9/04C08K3/08C08K3/22C08K3/30C08K5/098C08K3/26C08G12/12
Inventor 肖和平曹大伟
Owner CHANGZHOU JOEL PLASTIC
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