CN107558239B - Antibacterial auxiliary agent and preparation method thereof - Google Patents
Antibacterial auxiliary agent and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an antibacterial auxiliary agent and a preparation method thereof, wherein the antibacterial auxiliary agent comprises the following raw materials in parts by weight: 30-40 parts of ternary polymerization polydimethylsiloxane, 20-25 parts of bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, 5-7 parts of hydroxyl modified polydimethylsiloxane, 4-8 parts of emulsifier, 0.5-1 part of organic acid, 5-10 parts of solubilizer and 50-70 parts of water. The antibacterial auxiliary agent obtained by the method of mixing and modifying quaternization and hydroxyl has good stability, and when the antibacterial auxiliary agent is applied to fabrics, the fabrics are fine, smooth and soft, and the antibacterial performance of the fabrics is effectively improved.
Description
Technical Field
The invention relates to the technical field of production of textile dyeing auxiliaries, and particularly relates to an antibacterial auxiliary and a preparation method thereof.
Background
In recent years, with the widespread of viruses such as ebola and influenza a, the health of human beings is threatened, and the demand of people for textiles with an antibacterial function is increasingly urgent. The silicone oil is one of the most commonly used fabric after-finishing agents, has the advantages of low surface energy and good film forming property, and can modify the surface property of the fabric and endow the fabric with various hand feelings such as softness, smoothness and the like when being used for the after-finishing of the fiber fabric. The existing silicone oil is mostly used as a softening agent for finishing textiles, and is less researched as an antibacterial agent.
Disclosure of Invention
The inventor finds that the quaternary ammonium salt antibacterial agent can adsorb bacteria with negative charges, has good bactericidal effect and is an ideal antibacterial agent with comprehensive performance in various textile antibacterial agents. In addition, the organosilicon quaternary ammonium salt is different from low-molecular quaternary phosphonium salt, no reactive resin is needed to be added during application, the processing is easy, and the problems of drug-resistant bacteria and fabric antibacterial failure do not exist in the antibacterial agent.
In view of the above, the antibacterial auxiliary agent and the preparation method thereof provided by the invention better overcome the problems and defects of the prior art, and when the antibacterial auxiliary agent obtained by the method of quaternization and hydroxyl mixed modification is applied to fabrics, the stability of the fabrics is improved, the fabrics are fine, smooth and soft, and the antibacterial performance of the fabrics is effectively improved.
An antibacterial auxiliary agent comprises the following raw materials in parts by weight: 30-40 parts of ternary polymerization polydimethylsiloxane, 20-25 parts of bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, 5-7 parts of hydroxyl modified polydimethylsiloxane, 4-8 parts of emulsifier, 0.5-1 part of organic acid, 5-10 parts of solubilizer and 50-70 parts of water;
further, the antibacterial auxiliary agent also comprises the following raw materials in parts by weight: 0.001-0.0001 part of preservative.
Further, the ternary polymerization polydimethylsiloxane is prepared by carrying out reflux reaction on 40-60 parts of epoxy-terminated silicone oil, 5-10 parts of N, N-dimethylcyclohexylamine and 30-50 parts of organic solvent, and then removing the solvent under reduced pressure, wherein the molecular weight of the epoxy-terminated silicone oil is 3000-20000.
Furthermore, the viscosity of the hydroxyl modified polydimethylsiloxane is 6000-80000 Pa.s.
Further, the emulsifier is isomeric tridecanol polyoxyethylene ether-7-ethylene oxide or a mixture of isomeric tridecanol polyoxyethylene ether-5-ethylene oxide and isomeric tridecanol polyoxyethylene ether-9-ethylene oxide; the organic acid is glacial acetic acid or citric acid; the solubilizer is one or more of glycerol, propylene glycol, isopropanol and diethylene glycol monobutyl ether.
Further, the preservative is isothiazolinone.
Further, the organic solvent is one of isopropyl alcohol, propylene glycol, ethylene glycol monobutyl ether and diethylene glycol monobutyl ether.
Further, the temperature of the reflux reaction is 80-86 ℃, and the time of the reflux reaction is 7-8 hours.
The invention also provides a preparation method of the antibacterial auxiliary agent, wherein the antibacterial auxiliary agent is the antibacterial auxiliary agent, and the preparation method comprises the following steps:
mixing and stirring ternary polymerization polydimethylsiloxane, bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, hydroxyl modified polydimethylsiloxane, emulsifier, organic acid, water and solubilizer uniformly.
Further, the preparation method comprises the following steps: the ternary polymerization polydimethylsiloxane, the bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, the hydroxyl modified polydimethylsiloxane and the emulsifier are mixed and stirred uniformly at the temperature of 25-80 ℃, and then the organic acid, the water and the solubilizer are sequentially added to be mixed and stirred uniformly.
Compared with the prior art, the antibacterial auxiliary agent and the preparation method thereof have the beneficial effects that:
the invention uses the method of quaternary amination and hydroxyl mixed modification, adopts bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate and hydroxyl modified polydimethylsiloxane to co-modify ternary polymerization polydimethylsiloxane, and uses the emulsifier to emulsify, so that the obtained antibacterial auxiliary agent has good stability, and when the antibacterial auxiliary agent is applied to fabrics, the fabrics are fine, smooth and soft, and the antibacterial performance of the fabrics is effectively improved.
In order to make the aforementioned and other objects, features and advantages of the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention.
This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
The terms as used herein:
as used herein, the terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
The conjunction "consisting of … …" excludes any unspecified elements, steps or components. If used in a claim, the phrase is intended to claim as closed, meaning that it does not contain materials other than those described, except for the conventional impurities associated therewith. When the phrase "consisting of … …" appears in a clause of the subject matter of the claims rather than immediately after the subject matter, it defines only the elements described in the clause; other elements are not excluded from the claims as a whole.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when the range "1 ~ 5" is disclosed, the ranges described should be construed to include the ranges "1 ~ 4", "1 ~ 3", "1 ~ 2 and 4 ~ 5", "1 ~ 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.
"and/or" is used to indicate that one or both of the illustrated conditions may occur, e.g., A and/or B includes (A and B) and (A or B);
in addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and singular forms of an element or component also include plural forms unless the number clearly indicates the singular.
An antibacterial auxiliary agent comprises the following raw materials in parts by weight:
30-40 parts of ternary polymerization polydimethylsiloxane, such as 30 parts, 32 parts, 35 parts, 38 parts or 40 parts;
20-25 parts of bis- (tallowamide hexyl) -polyethoxymethyl-ammonia-methyl sulfate, such as 21 parts, 22 parts, 23 parts, 24 parts or 25 parts;
5-7 parts of hydroxyl modified polydimethylsiloxane, such as 5 parts, 5.5 parts, 6 parts, 6.5 parts or 7 parts;
4-8 parts of emulsifier such as 4 parts, 5 parts, 6 parts, 7 parts or 8 parts and the like;
0.5-1 part of organic acid such as 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part or 1 part and the like;
5-10 parts of solubilizer, such as 5 parts, 6 parts, 7 parts, 8 parts, 9 parts or 10 parts;
50-70 parts of water such as 50 parts, 55 parts, 60 parts, 65 parts or 70 parts and the like;
further, the antibacterial auxiliary agent also comprises the following raw materials in parts by weight: 0.001-0.0001 part, such as 0.0001 part, 0.0003 part, 0.0005 part, 0.0008 part or 0.001 part of preservative.
Further, the ternary polymerization polydimethylsiloxane is prepared by carrying out reflux reaction on 40-60 parts of epoxy-terminated silicone oil, 5-10 parts of N, N-dimethylcyclohexylamine and 30-50 parts of organic solvent, and then removing the solvent under reduced pressure, wherein the molecular weight of the epoxy-terminated silicone oil is 3000-20000.
The epoxy-terminated silicone oil may be used in an amount of 40 parts, 45 parts, 50 parts, 55 parts or 60 parts by weight; the weight parts of the N, N-dimethylcyclohexylamine can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts or 10 parts; the organic solvent may be used in an amount of 30 parts, 35 parts, 40 parts, 45 parts or 50 parts by weight.
The structural formula of the epoxy-terminated silicone oil is:
further, the organic solvent is one of isopropyl alcohol, propylene glycol, ethylene glycol monobutyl ether and diethylene glycol monobutyl ether.
Further, the temperature of the reflux reaction is 80-86 ℃, such as 80 ℃, 81 ℃, 82 ℃, 83 ℃, 84 ℃, 85 ℃ or 86 ℃ and the like, and the time of the reflux reaction is 7-8 hours, such as 7 hours, 7.2 hours, 7.5 hours, 7.8 hours or 8 hours and the like.
Furthermore, the viscosity of the hydroxyl modified polydimethylsiloxane is 6000 to 80000Pa.s, such as 6000Pa.s, 10000Pa.s, 15000Pa.s, 2000Pa.s, 30000Pa.s, 40000Pa.s, 45000Pa.s, 50000Pa.s, 60000Pa.s, 70000Pa.s or 80000 Pa.s.
Further, the emulsifier is isomeric tridecanol polyoxyethylene ether-7-ethylene oxide or a mixture of isomeric tridecanol polyoxyethylene ether-5-ethylene oxide and isomeric tridecanol polyoxyethylene ether-9-ethylene oxide.
Further, the organic acid is glacial acetic acid or citric acid.
Further, the solubilizer is one or more of glycerol, propylene glycol, isopropanol and diethylene glycol monobutyl ether.
Further, the preservative is isothiazolinone.
The isothiazolinone is also called as a cason preservative, and the molecular formula is as follows: c8H9ClN2O2S2, the structural formula is:
the invention also provides a preparation method of the antibacterial auxiliary agent, wherein the antibacterial auxiliary agent is the antibacterial auxiliary agent, and the preparation method comprises the following steps:
mixing and stirring ternary polymerization polydimethylsiloxane, bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, hydroxyl modified polydimethylsiloxane, emulsifier, organic acid, water and solubilizer uniformly.
Further, the ternary polymerization polydimethylsiloxane, the bis- (tallowamide hexyl) -polyethoxymethyl-amino-methyl sulfate, the hydroxyl modified polydimethylsiloxane and the emulsifier are mixed and stirred uniformly at the temperature of 25-80 ℃, such as 25 ℃, 30 ℃, 35 ℃, 40 ℃, 45 ℃, 50 ℃, 60 ℃, 70 ℃ or 80 ℃, and then the organic acid, the water and the solubilizer are sequentially added and mixed and stirred uniformly.
Preferably, the mixing and stirring temperature is 25-40 ℃, and more preferably, the mixing and stirring temperature is 35-40 ℃.
The invention uses the method of quaternary amination and hydroxyl mixed modification, adopts bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate and hydroxyl modified polydimethylsiloxane to co-modify ternary polymerization polydimethylsiloxane, and uses the emulsifier to emulsify, so that the obtained antibacterial auxiliary agent has good stability, and when the antibacterial auxiliary agent is applied to fabrics, the fabrics are fine, smooth and soft, and the antibacterial performance of the fabrics is effectively improved.
In order to facilitate understanding of the present invention, the following embodiments are provided to further illustrate the technical solutions of the present invention. The applicant states that the present invention is illustrated in detail by the following examples, but the present invention is not limited to the following detailed process equipment and process flow, which means that the present invention should not be implemented by relying on the detailed process equipment and process flow. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Example 1
(1) Preparing ternary polymerization polydimethylsiloxane: 40 parts of epoxy-terminated silicone oil with the molecular weight of 3000, 5 parts of N, N-dimethylcyclohexylamine and 30 parts of isopropanol are taken to carry out reflux reaction for 8 hours at the temperature of 80 ℃, and then the solvent is removed under reduced pressure to obtain the ternary polymerization polydimethylsiloxane.
(2) 30 parts of ternary polymerization polydimethylsiloxane, 25 parts of bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, 5 parts of hydroxyl modified polydimethylsiloxane and 4 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide are mixed and stirred uniformly at 25 ℃, then 0.5 part of glacial acetic acid is added, 50 parts of water is slowly added, and finally 5 parts of glycerol is added, mixed and stirred uniformly to obtain the antibacterial auxiliary agent.
The hydroxyl modified polydimethylsiloxane is hydroxyl modified polydimethylsiloxane with the viscosity of 6000 Pa.s.
Example 2
(1) Preparing ternary polymerization polydimethylsiloxane: 50 parts of terminal epoxy silicone oil with 8000 molecular weight, 8 parts of N, N-dimethylcyclohexylamine and 40 parts of isopropanol are taken to carry out reflux reaction for 7.5 hours at 83 ℃, and then the solvent is removed under reduced pressure to obtain the ternary polymerization polydimethylsiloxane.
(2) Firstly, 35 parts of ternary polymerization polydimethylsiloxane, 23 parts of bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, 6 parts of hydroxyl modified polydimethylsiloxane and 6 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide are mixed and stirred uniformly at 40 ℃, then 0.8 part of glacial acetic acid is added, 60 parts of water is slowly added, and finally 8 parts of glycerol is added, mixed and stirred uniformly to obtain the antibacterial auxiliary agent.
The hydroxyl modified polydimethylsiloxane is hydroxyl modified polydimethylsiloxane with the viscosity of 30000 Pa.s.
Example 3
(1) Preparing ternary polymerization polydimethylsiloxane: 60 parts of 20000 molecular weight epoxy-terminated silicone oil, 10 parts of N, N-dimethylcyclohexylamine and 50 parts of isopropanol are taken for reflux reaction for 7 hours at 86 ℃, and then the solvent is removed under reduced pressure to obtain the ternary polymerization polydimethylsiloxane.
(2) Firstly, 40 parts of ternary polymerization polydimethylsiloxane, 20 parts of bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, 7 parts of hydroxyl modified polydimethylsiloxane and 8 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide are mixed and stirred uniformly at 80 ℃, then 1 part of glacial acetic acid is added, 70 parts of water is slowly added, and finally 10 parts of glycerol is added, mixed and stirred uniformly to obtain the antibacterial auxiliary agent.
The hydroxyl modified polydimethylsiloxane is hydroxyl modified polydimethylsiloxane with the viscosity of 80000 Pa.s.
Example 4
(1) Preparing ternary polymerization polydimethylsiloxane: 45 parts of 6000 molecular weight epoxy terminated silicone oil, 6 parts of N, N-dimethylcyclohexylamine and 35 parts of isopropanol are taken to carry out reflux reaction for 7.8 hours at 82 ℃, and then the solvent is removed under reduced pressure to obtain the ternary polymerization polydimethylsiloxane.
(2) Firstly, 32 parts of ternary polymerization polydimethylsiloxane, 21 parts of bis- (tallowamide hexyl) -polyethoxymethyl-amino-methyl sulfate, 5.5 parts of hydroxyl modified polydimethylsiloxane and 5 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide are mixed and stirred uniformly at 35 ℃, then 0.6 part of glacial acetic acid is added, 55 parts of water is slowly added, and finally 6 parts of glycerol and 0.0001 part of isothiazolinone are added and mixed and stirred uniformly to obtain the antibacterial auxiliary agent.
The hydroxyl modified polydimethylsiloxane is hydroxyl modified polydimethylsiloxane with the viscosity of 45000 Pa.s.
Example 5
(1) Preparing ternary polymerization polydimethylsiloxane: taking 55 parts of 15000 parts of epoxy terminated silicone oil, 9 parts of N, N-dimethylcyclohexylamine and 45 parts of isopropanol, carrying out reflux reaction at 84 ℃ for 7.2h, and then removing the solvent under reduced pressure to obtain the ternary polymerization polydimethylsiloxane.
(2) The antibacterial additive is prepared by uniformly mixing and stirring 38 parts of ternary polymerization polydimethylsiloxane, 24 parts of bis- (tallowamide hexyl) -polyethoxymethyl-amino-methyl sulfate, 6.5 parts of hydroxyl modified polydimethylsiloxane and 7 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide at 50 ℃, then adding 0.9 part of glacial acetic acid, slowly adding 65 parts of water, finally adding 9 parts of glycerol and 0.0005 part of isothiazolinone, and uniformly mixing and stirring.
The hydroxyl modified polydimethylsiloxane is hydroxyl modified polydimethylsiloxane with the viscosity of 60000 Pa.s.
Example 6
(1) Preparing ternary polymerization polydimethylsiloxane: taking 55 parts of 15000 parts of epoxy terminated silicone oil, 9 parts of N, N-dimethylcyclohexylamine and 45 parts of isopropanol, carrying out reflux reaction at 84 ℃ for 7.2h, and then removing the solvent under reduced pressure to obtain the ternary polymerization polydimethylsiloxane.
(2) Firstly, 40 parts of ternary polymerization polydimethylsiloxane, 20 parts of bis- (tallowamide hexyl) -polyethoxymethyl-amino-methyl sulfate, 7 parts of hydroxyl modified polydimethylsiloxane and 8 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide are mixed and stirred uniformly at 40 ℃, then 1 part of glacial acetic acid is added, 70 parts of water is slowly added, and finally 10 parts of glycerol and 0.001 part of isothiazolinone are added and stirred uniformly to obtain the antibacterial auxiliary agent.
The hydroxyl modified polydimethylsiloxane is hydroxyl modified polydimethylsiloxane with the viscosity of 60000 Pa.s.
Example 7
The difference from example 2 is that: in the step (2), firstly, 35 parts of ternary polymerization polydimethylsiloxane, 23 parts of bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, 6 parts of hydroxyl modified polydimethylsiloxane and 6 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide are mixed and stirred uniformly at 40 ℃, then 60 parts of water is added, and then 0.8 part of glacial acetic acid and 8 parts of glycerol are added and mixed and stirred uniformly, so as to obtain the antibacterial auxiliary agent.
Comparative example 1
(1) Preparing ternary polymerization polydimethylsiloxane: 50 parts of terminal epoxy silicone oil with 8000 molecular weight, 8 parts of N, N-dimethylcyclohexylamine and 40 parts of isopropanol are taken to carry out reflux reaction for 7.5 hours at 83 ℃, and then the solvent is removed under reduced pressure to obtain the ternary polymerization polydimethylsiloxane.
(2) Firstly, 35 parts of ternary polymerization polydimethylsiloxane and 6 parts of isomeric tridecanol polyoxyethylene ether-7-ethylene oxide are mixed and stirred uniformly at the temperature of 40 ℃, then 0.8 part of glacial acetic acid is added, 60 parts of water is slowly added, and finally 8 parts of glycerol is added, mixed and stirred uniformly to obtain the antibacterial auxiliary agent.
The antibacterial auxiliary agents prepared in the embodiments 1 to 7 and the comparative example 1 are applied to the fabric, performance indexes such as antibacterial performance, hand feeling and stability are detected and evaluated, and the detection evaluation results are shown in table 1.
The antibacterial performance of the antibacterial auxiliary agents prepared in examples 1-7 and comparative example 1 was determined by adopting an agar diffusion method and an antibacterial zone experiment:
table 1 performance indices of antimicrobial adjuvants of the invention:
as can be seen from the table 1, the antibacterial auxiliary agent prepared in the embodiments 1 to 7 of the present invention has good stability, and when the antibacterial auxiliary agent is applied to a fabric, the fabric has a fine, soft and smooth hand feeling, and has good antibacterial performance. The antibacterial auxiliary prepared in the comparative example 1 has poor stability and can generate a wall hanging phenomenon, and after the antibacterial auxiliary is applied to the fabric, the fabric has poor antibacterial performance and hard hand feeling.
In summary, in the embodiment of the invention, a method of mixing quaternization and hydroxyl for modification is adopted, bis- (tallowamidohexyl) -polyethoxymethyl-amino-methyl sulfate and hydroxyl modified polydimethylsiloxane are used for co-modifying ternary polymerization polydimethylsiloxane, and emulsifying is performed by using an emulsifier, so that the obtained antibacterial auxiliary agent has good stability, and when the antibacterial auxiliary agent is applied to fabrics, the fabrics are fine, smooth and soft, and the antibacterial performance of the fabrics is effectively improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the formulation and preparation process of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An antimicrobial aid for use in fabrics, comprising: the material comprises the following raw materials in parts by weight: 30-40 parts of ternary polymerization polydimethylsiloxane, 20-25 parts of bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, 5-7 parts of hydroxyl modified polydimethylsiloxane, 4-8 parts of emulsifier, 0.5-1 part of organic acid, 5-10 parts of solubilizer, 0.001-0.0001 part of preservative and 50-70 parts of water;
the ternary polymerization polydimethylsiloxane is prepared by reflux reaction of 40-60 parts of epoxy-terminated silicone oil, 5-10 parts of N, N-dimethylcyclohexylamine and 30-50 parts of organic solvent, and then decompression solvent removal, wherein the molecular weight of the epoxy-terminated silicone oil is 3000-20000;
the viscosity of the hydroxyl modified polydimethylsiloxane is 6000-80000 Pa.s;
the emulsifier is isomeric tridecanol polyoxyethylene ether-7-ethylene oxide, or a mixture of isomeric tridecanol polyoxyethylene ether-5-ethylene oxide and isomeric tridecanol polyoxyethylene ether-9-ethylene oxide; the organic acid is glacial acetic acid or citric acid; the solubilizer is one or more of glycerol, propylene glycol, isopropanol and diethylene glycol monobutyl ether.
2. The antimicrobial adjuvant of claim 1, wherein: the preservative is isothiazolinone.
3. The antimicrobial adjuvant of claim 1, wherein: the organic solvent is one of isopropanol, propylene glycol, ethylene glycol monobutyl ether and diethylene glycol monobutyl ether.
4. The antimicrobial adjuvant of claim 1, wherein: the temperature of the reflux reaction is 80-86 ℃, and the time of the reflux reaction is 7-8 h.
5. A preparation method of an antibacterial auxiliary agent is characterized by comprising the following steps: the antibacterial auxiliary agent is the antibacterial auxiliary agent as claimed in any one of claims 1 to 4, and the preparation method comprises the following steps:
mixing and stirring ternary polymerization polydimethylsiloxane, bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, hydroxyl modified polydimethylsiloxane, emulsifier, organic acid, water and solubilizer uniformly.
6. The method for preparing an antibiotic aid according to claim 5, wherein: the preparation method comprises the following steps: firstly, mixing and stirring ternary polymerization polydimethylsiloxane, bis- (tallowamide hexyl) -polyethoxymethyl amino-methyl sulfate, hydroxyl modified polydimethylsiloxane and an emulsifier uniformly at 25-80 ℃, and then sequentially adding organic acid, water and a solubilizer, mixing and stirring uniformly.
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| CN108968169A (en) * | 2018-07-18 | 2018-12-11 | 浙江宝娜斯袜业有限公司 | A kind of silk stocking with Antibacterial accessory ingredient |
| CN109183504B (en) * | 2018-09-30 | 2021-01-29 | 广州旭太材料科技有限公司 | Papermaking softening agent and preparation method thereof |
| CN112323493A (en) * | 2020-11-28 | 2021-02-05 | 无锡市丹怡纺织品有限公司 | Preparation method of antibacterial woolen overcoat |
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