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Antibacterial additive and preparation method thereof

A technology of antibacterial auxiliary agent and emulsifier is applied in the field of antibacterial auxiliary agent and its preparation to achieve the effect of improving antibacterial performance and good stability

Active Publication Date: 2018-01-09
广州旭太材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, organosilicon quaternary ammonium salts are different from low molecular quaternary ammonium salts. There is no need to add reactive resins during application, and it is easy to process. This type of antibacterial agent does not have the problems of drug-resistant bacteria and fabric antibacterial failure.

Method used

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  • Antibacterial additive and preparation method thereof
  • Antibacterial additive and preparation method thereof
  • Antibacterial additive and preparation method thereof

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preparation example Construction

[0050] The present invention also provides a kind of preparation method of antibacterial auxiliary agent, described antibacterial auxiliary agent is above-mentioned antibacterial auxiliary agent, and described preparation method comprises:

[0051] The ternary copolymerized polydimethylsiloxane, bis-(tallow amidohexyl)-polyethoxymethylammonia-methylsulfate, hydroxyl modified polydimethylsiloxane, emulsifier, organic acid , water and solubilizer are mixed and stirred evenly.

[0052] Further, first ternary copolymerized polydimethylsiloxane, bis-(tallow amidohexyl)-polyethoxymethylammonia-methylsulfate, hydroxyl modified polydimethylsiloxane and emulsified The agent is mixed and stirred evenly at 25-80°C, such as 25°C, 30°C, 35°C, 40°C, 45°C, 50°C, 60°C, 70°C or 80°C, and then add organic acid, water and solubilizer in sequence Mix and stir well.

[0053] Preferably, the mixing and stirring temperature is 25-40°C, more preferably, the mixing and stirring temperature is 35-40°...

Embodiment 1

[0057] (1) Preparation of ternary copolymerized polydimethylsiloxane: Take 40 parts of epoxy-terminated silicone oil with a molecular weight of 3000, 5 parts of N, N-dimethylcyclohexylamine and 30 parts of isopropanol to reflux at 80°C After reacting for 8 hours, the solvent was removed under reduced pressure to obtain ternary copolymerized polydimethylsiloxane.

[0058] (2) First take 30 parts of ternary copolymerized polydimethylsiloxane, 25 parts of bis-(tallow amidohexyl)-polyethoxymethylammonia-methylsulfate, 5 parts of hydroxyl modified polydimethylsiloxane Siloxane and 4 parts of isomeric tridecyl alcohol polyoxyethylene ether-7-ethylene oxide were mixed and stirred evenly at 25 ° C, then 0.5 parts of glacial acetic acid was added, and 50 parts of water were slowly added, and finally 5 parts of glycerol were added Alcohol is mixed and stirred evenly to obtain the antibacterial auxiliary agent.

[0059] The above-mentioned hydroxyl-modified polydimethylsiloxane is a hyd...

Embodiment 2

[0061] (1) Preparation of ternary copolymerized polydimethylsiloxane: take 50 parts of 8000 molecular weight terminal epoxy silicone oil, 8 parts of N, N-dimethylcyclohexylamine and 40 parts of isopropanol and reflux at 83 °C After reacting for 7.5 hours, the solvent was removed under reduced pressure to obtain ternary copolymerized polydimethylsiloxane.

[0062] (2) First take 35 parts of ternary copolymerized polydimethylsiloxane, 23 parts of bis-(tallow amidohexyl)-polyethoxymethylammonia-methylsulfate, 6 parts of hydroxyl modified polydimethylsiloxane Siloxane and 6 parts of isomeric tridecyl alcohol polyoxyethylene ether-7-ethylene oxide were mixed and stirred evenly at 40 ° C, then 0.8 parts of glacial acetic acid was added, and 60 parts of water were slowly added, and finally 8 parts of glycerol were added Alcohol is mixed and stirred evenly to obtain the antibacterial auxiliary agent.

[0063] The above-mentioned hydroxyl-modified polydimethylsiloxane is a hydroxyl-mo...

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Abstract

The invention discloses an antibacterial additive and a preparation method thereof. The antibacterial additive is prepared from the following raw materials in parts by weight: 30-40 parts of ternary copolymer dimethylsiloxane, 20-25 parts of bis-(tallow amide hexyl)-polyethoxymethyl ammonium-methyl sulfate, 5-7 parts of hydroxyl modified polydimethylsiloxane, 4-8 parts of an emulsifying agent, 0.5-1 part of organic acid, 5-10 parts of a solubilizer and 50-70 parts of water. A quaternary amination and hydroxyl hybrid modification method is adopted; the obtained antibacterial additive is good instability; when the antibacterial additive is applied to fabric, the fabric is enabled to be fine, soft and smooth, and the antibacterial property of the fabric is effectively improved.

Description

technical field [0001] The invention relates to the technical field of fabric dyeing and weaving auxiliaries, in particular to an antibacterial auxiliaries and a preparation method thereof. Background technique [0002] In recent years, with the widespread spread of viruses such as Ebola and influenza A, human health has been threatened, and people's demand for textiles with antibacterial functions has become increasingly urgent. As one of the most commonly used fabric finishing agents, silicone oil has the advantages of low surface energy and good film-forming properties. Using it in the finishing of fiber fabrics can not only modify the surface properties of fabrics, but also give fabrics softness, smoothness, etc. Diversity of touch. Existing silicone oils are mostly used as softeners for textile finishing, but less research has been done as antibacterial agents. Contents of the invention [0003] The inventors of the present invention have found that the quaternary a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/65D06M15/643D06M15/53D06M13/418
Inventor 尹双全蔡基峰
Owner 广州旭太材料科技有限公司
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