CN113564915A - Ionic antibacterial anti-mite heat storage fabric and processing technology thereof - Google Patents

Abstract

The invention discloses an ionic antibacterial anti-mite heat storage fabric and a processing technology thereof, wherein the ionic antibacterial anti-mite heat storage fabric is obtained by soaking a pretreated fabric substrate in an antibacterial anti-mite finishing liquid and then drying; the antibacterial and anti-mite finishing liquid comprises the following raw materials in parts by weight: 1-5 parts of silver-loaded nano zinc oxide, 2.1-5.5 parts of dispersant, 1.2-3.6 parts of stabilizer, 10.2-13.2 parts of colorant, 13.5-16.7 parts of antibacterial anti-mite agent and 50-70 parts of deionized water; the antibacterial and anti-mite agent is chitosan modified by active ingredients, has a triazole structure and has a good killing effect on fungi, bacteria and mites by quaternary ammonium salt groups, and silver ions in the silver-loaded nano zinc oxide can be chelated with a fabric pretreated by using carboxylic acid, so that the metal ion antibacterial effect can be exerted more effectively and for a long time.

Description

Ionic antibacterial anti-mite heat storage fabric and processing technology thereof

Technical Field

The invention relates to the technical field of heat storage fabrics, in particular to an ionic antibacterial anti-mite heat storage fabric and a processing technology thereof.

Background

The heat retention property of the fabric is one of important indexes of the garment raw materials, and the heat storage and heat retention fabric is more and more widely applied and is seen everywhere in daily life of people.

Bacteria, mites and the like are tiny organisms invisible to naked eyes, the propagation speed is very high, the tiny organisms are often bred in daily necessities such as clothes, bedding, bed sheets and the like, the tiny organisms can cause peculiar smell and odor of the articles such as the clothes and the like, certain damage can be caused to human bodies, even diseases can be caused, and great influence is caused to daily living of people.

Disclosure of Invention

The invention aims to provide an ionic antibacterial anti-mite heat storage fabric and a processing technology thereof, which are used for solving the problems in the background art.

The purpose of the invention can be realized by the following technical scheme:

an ionic antibacterial anti-mite heat storage fabric is prepared by soaking a pretreated fabric substrate in an antibacterial anti-mite finishing liquid and drying;

further, the fabric substrate is a pure spinning fabric or a blended spinning fabric which is subjected to desizing and refining;

further, the pure woven fabric is any one of cotton fabric, silk fabric and polyester fabric, and the blended fabric is any one of polyester-viscose, polyester-nitrile and polyester-cotton;

further, the antibacterial and anti-mite finishing liquid comprises the following raw materials in parts by weight: 1-5 parts of silver-loaded nano zinc oxide, 2.1-5.5 parts of dispersant, 1.2-3.6 parts of stabilizer, 10.2-13.2 parts of colorant, 13.5-16.7 parts of antibacterial anti-mite agent and 50-70 parts of deionized water;

the antibacterial anti-mite finishing liquid is prepared by the following steps:

placing silver-loaded nano zinc oxide in deionized water, using a high-speed shearing emulsifying machine to shear and disperse for 20min at the rotation speed of 4000-.

Further, the dispersing agent is sodium dodecyl benzene sulfonate, the stabilizing agent is a cellulose derivative, and the coloring agent is an epoxy coloring agent.

Further, the antibacterial and acaricidal agent is prepared by the following steps:

adding chitosan into an acetic acid solution with the mass fraction of 1%, stirring and dispersing, adding an active ingredient into the solution, then adding triethylamine, stirring and reacting for 2 hours, removing a solvent, and drying at 45 ℃ to obtain the antibacterial and anti-mite agent, wherein the dosage ratio of the chitosan to the acetic acid solution to the active ingredient to the triethylamine is 1 g: 25mL of: 0.01 mol: 0.01 mol.

Further, the active ingredient is prepared by the following steps:

step S1: adding p-methylbenzoic acid and methanol into a flask, slowly dropwise adding a sulfuric acid solution with the mass fraction of 70%, performing reflux reaction for 12 hours, performing reduced pressure distillation to remove redundant methanol solution, adding distilled water, extracting for 3 times by using dichloromethane, drying anhydrous magnesium sulfate, and performing reduced pressure distillation to obtain an intermediate 1; the dosage ratio of the p-toluic acid, the methanol and the sulfuric acid solution is 0.1 mol: 80mL of: 2 mL;

the reaction process is as follows:

step S2: adding the intermediate 1 into hydrazine hydrate with the mass fraction of 80%, stirring and reacting for 11-13h at room temperature, and drying after the reaction is finished to obtain an intermediate 2; the dosage ratio of the intermediate 1 to the hydrazine hydrate is 0.08 mol: 30 mL;

the reaction process is as follows:

step S3: adding the intermediate 2, carbamide and deionized water into a flask, and carrying out reflux reaction at 100 ℃ for 8-10h to obtain an intermediate 3; the using ratio of the intermediate 2 to the carbamide to the deionized water is 0.02 mol: 0.02 mol: 50 mL;

the reaction process is as follows:

step S4: adding the intermediate 3 and dimethyl sulfoxide into a flask, stirring for 15min at the temperature of 40-50 ℃, then adding potassium tert-butoxide and 1, 5-dibromopentane, reacting for 5-6h at the temperature of 30 ℃, performing rotary evaporation after the reaction is finished, washing for 3 times by using an ethanol solution with the mass fraction of 80%, and freeze-drying to obtain an intermediate 4; the dosage ratio of the intermediate 3, dimethyl sulfoxide, potassium tert-butoxide and 1, 5-dibromopentane is 1 mmol: 100mL of: 0.01 g: 1mmol of the active component;

the reaction process is as follows:

step S5: adding the intermediate 4 and dimethyl sulfoxide into a flask, stirring, introducing nitrogen, dropwise adding a trimethylamine solution into the flask, heating to 90 ℃, reacting for 6 hours, removing the solvent after the reaction is finished, and drying to obtain an intermediate 5; the dosage ratio of the intermediate 4, the dimethyl sulfoxide and the trimethylamine solution is 1 g: 150mL of: 20 mL;

the reaction process is as follows:

step S6: adding the intermediate 5 and deionized water into a flask for refluxing, then adding potassium permanganate, performing reflux reaction for 3 hours to obtain an intermediate 6, then adding the intermediate 6 and deionized water into the flask, introducing nitrogen, dropwise adding thionyl chloride and DMF, and performing reaction for 4 hours at 70 ℃ to obtain an active ingredient; the dosage ratio of the intermediate 5, the deionized water and the potassium permanganate is 0.01 mol: 35mL of: 0.012 mol; the dosage ratio of the intermediate 6, deionized water, thionyl chloride and DMF is 0.01 mol: 40mL, 0.01 mol: 0.05 mL;

the reaction process is as follows:

a processing technology of an ionic antibacterial anti-mite heat storage fabric specifically comprises the following steps:

the method comprises the following steps: placing the pretreated fabric substrate in the antibacterial and anti-mite finishing liquid at normal temperature at a bath ratio of 1:35, heating to 50 ℃, and soaking for 30-40 min;

step two: and taking out the impregnated fabric, then placing the fabric in a padder for rolling, keeping the rolling residual rate at 80%, then impregnating for 1h again at the temperature of 45 ℃, adding the impregnated fabric into an oven after the impregnation is finished, pre-drying for 1min at the temperature of 90 ℃, then heating to 120 ℃, and drying for 3min to obtain the ionic antibacterial anti-mite heat storage fabric.

Further, the pretreatment was carried out by dipping 1, 2, 3, 4-butanetetracarboxylic acid at a bath ratio of 1:20 for 2 hours at room temperature.

The invention provides an ionic antibacterial anti-mite heat storage fabric and a processing technology thereof. Compared with the prior art, the method has the following beneficial effects: the invention uses the fiber fabric with good heat storage performance as a fabric substrate, then prepares an antibacterial and anti-mite finishing liquid, and carries out dipping process treatment on the fabric to ensure that the obtained fabric has good antibacterial and anti-mite effect, wherein the antibacterial and anti-mite finishing liquid has two antibacterial and anti-mite effective components, one of which is a silver-loaded nano zinc oxide component, and the other is chitosan modified by active components, the chitosan has active hydroxyl and amino, has a molecular structure similar to that of the fabric fiber, and can be firmly combined with the fabric substrate through chemical bonding, hydrogen bonds and intermolecular force; the fabric is pretreated by 1, 2, 3, 4-butanetetracarboxylic acid, silver ions in the silver-loaded nano zinc oxide can generate chelation with polycarboxylic acid, so the silver ions can be combined in the fabric after the carboxylic acid treatment, the silver ions have positive charges, when trace silver ions contact cell membranes of microorganisms, the silver ions and the cell membranes with negative charges generate coulomb attraction, the silver ions can penetrate the cell membranes to enter the bacteria to react with sulfydryl, amino and the like on proteins in the bacteria and damage the structure of active centers of the proteins, so that the microorganisms can die or lose the division and proliferation capacity, and the purposes of resisting bacteria and preventing mites are achieved. The cationic quaternary ammonium salt group can be combined with bacteria with negative electricity, so that the free movement of the bacteria is restrained, the respiratory function of the bacteria is inhibited, namely 'contact death' occurs, in addition, the negative electricity on cell walls and cell membranes is unevenly distributed under the action of the electric field attraction of the bacteria to cause deformation and physical rupture, so that internal organs of cells such as water, protein and the like are exuded out of a body to cause 'bacteriolysis' phenomenon to die, and the antibacterial and anti-mite performance of the fabric is further enhanced.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Preparing an active ingredient, the active ingredient being prepared by the steps of:

step S1: adding p-methylbenzoic acid and methanol into a flask, slowly dropwise adding a sulfuric acid solution with the mass fraction of 70%, performing reflux reaction for 12 hours, performing reduced pressure distillation to remove redundant methanol solution, adding distilled water, extracting for 3 times by using dichloromethane, drying anhydrous magnesium sulfate, and performing reduced pressure distillation to obtain an intermediate 1; the dosage ratio of the p-toluic acid, the methanol and the sulfuric acid solution is 0.1 mol: 80mL of: 2 mL;

step S2: adding the intermediate 1 into 80 mass percent hydrazine hydrate, stirring and reacting for 11 hours at room temperature, and drying after the reaction is finished to obtain an intermediate 2; the dosage ratio of the intermediate 1 to the hydrazine hydrate is 0.08 mol: 30 mL;

step S3: adding the intermediate 2, carbamide and deionized water into a flask, and carrying out reflux reaction at the temperature of 100 ℃ for 8 hours to obtain an intermediate 3; the using ratio of the intermediate 2 to the carbamide to the deionized water is 0.02 mol: 0.02 mol: 50 mL;

step S4: adding the intermediate 3 and dimethyl sulfoxide into a flask, stirring for 15min at the temperature of 40 ℃, then adding potassium tert-butoxide and 1, 5-dibromopentane, reacting for 5h at the temperature of 30 ℃, performing rotary evaporation after the reaction is finished, washing for 3 times by using an ethanol solution with the mass fraction of 80%, and freeze-drying to obtain an intermediate 4; the dosage ratio of the intermediate 3, dimethyl sulfoxide, potassium tert-butoxide and 1, 5-dibromopentane is 1 mmol: 100mL of: 0.01 g: 1mmol of the active component;

step S5: adding the intermediate 4 and dimethyl sulfoxide into a flask, stirring, introducing nitrogen, dropwise adding a trimethylamine solution into the flask, heating to 90 ℃, reacting for 6 hours, removing the solvent after the reaction is finished, and drying to obtain an intermediate 5; the dosage ratio of the intermediate 4, the dimethyl sulfoxide and the trimethylamine solution is 1 g: 150mL of: 20 mL;

step S6: adding the intermediate 5 and deionized water into a flask for refluxing, then adding potassium permanganate, performing reflux reaction for 3 hours to obtain an intermediate 6, then adding the intermediate 6 and deionized water into the flask, introducing nitrogen, dropwise adding thionyl chloride and DMF, and performing reaction for 4 hours at 70 ℃ to obtain an active ingredient; the dosage ratio of the intermediate 5, the deionized water and the potassium permanganate is 0.01 mol: 35mL of: 0.012 mol; the dosage ratio of the intermediate 6, deionized water, thionyl chloride and DMF is 0.01 mol: 40mL, 0.01 mol: 0.05 mL.

Example 2

Preparing an active ingredient, the active ingredient being prepared by the steps of:

step S1: adding p-methylbenzoic acid and methanol into a flask, slowly dropwise adding a sulfuric acid solution with the mass fraction of 70%, performing reflux reaction for 12 hours, performing reduced pressure distillation to remove redundant methanol solution, adding distilled water, extracting for 3 times by using dichloromethane, drying anhydrous magnesium sulfate, and performing reduced pressure distillation to obtain an intermediate 1; the dosage ratio of the p-toluic acid, the methanol and the sulfuric acid solution is 0.1 mol: 80mL of: 2 mL;

step S2: adding the intermediate 1 into 80 mass percent hydrazine hydrate, stirring and reacting for 12 hours at room temperature, and drying after the reaction is finished to obtain an intermediate 2; the dosage ratio of the intermediate 1 to the hydrazine hydrate is 0.08 mol: 30 mL;

step S3: adding the intermediate 2, carbamide and deionized water into a flask, and carrying out reflux reaction at the temperature of 100 ℃ for 9 hours to obtain an intermediate 3; the using ratio of the intermediate 2 to the carbamide to the deionized water is 0.02 mol: 0.02 mol: 50 mL;

step S4: adding the intermediate 3 and dimethyl sulfoxide into a flask, stirring for 15min at the temperature of 45 ℃, then adding potassium tert-butoxide and 1, 5-dibromopentane, reacting for 5.5h at the temperature of 30 ℃, performing rotary evaporation after the reaction is finished, washing for 3 times by using an ethanol solution with the mass fraction of 80%, and freeze-drying to obtain an intermediate 4; the dosage ratio of the intermediate 3, dimethyl sulfoxide, potassium tert-butoxide and 1, 5-dibromopentane is 1 mmol: 100mL of: 0.01 g: 1mmol of the active component;

step S5: adding the intermediate 4 and dimethyl sulfoxide into a flask, stirring, introducing nitrogen, dropwise adding a trimethylamine solution into the flask, heating to 90 ℃, reacting for 6 hours, removing the solvent after the reaction is finished, and drying to obtain an intermediate 5; the dosage ratio of the intermediate 4, the dimethyl sulfoxide and the trimethylamine solution is 1 g: 150mL of: 20 mL;

step S6: adding the intermediate 5 and deionized water into a flask for refluxing, then adding potassium permanganate, performing reflux reaction for 3 hours to obtain an intermediate 6, then adding the intermediate 6 and deionized water into the flask, introducing nitrogen, dropwise adding thionyl chloride and DMF, and performing reaction for 4 hours at 70 ℃ to obtain an active ingredient; the dosage ratio of the intermediate 5, the deionized water and the potassium permanganate is 0.01 mol: 35mL of: 0.012 mol; the dosage ratio of the intermediate 6, deionized water, thionyl chloride and DMF is 0.01 mol: 40mL, 0.01 mol: 0.05 mL.

Example 3

Preparing an active ingredient, the active ingredient being prepared by the steps of:

step S1: adding p-methylbenzoic acid and methanol into a flask, slowly dropwise adding a sulfuric acid solution with the mass fraction of 70%, performing reflux reaction for 12 hours, performing reduced pressure distillation to remove redundant methanol solution, adding distilled water, extracting for 3 times by using dichloromethane, drying anhydrous magnesium sulfate, and performing reduced pressure distillation to obtain an intermediate 1; the dosage ratio of the p-toluic acid, the methanol and the sulfuric acid solution is 0.1 mol: 80mL of: 2 mL;

step S2: adding the intermediate 1 into 80 mass percent hydrazine hydrate, stirring and reacting for 13 hours at room temperature, and drying after the reaction is finished to obtain an intermediate 2; the dosage ratio of the intermediate 1 to the hydrazine hydrate is 0.08 mol: 30 mL;

step S3: adding the intermediate 2, carbamide and deionized water into a flask, and carrying out reflux reaction at the temperature of 100 ℃ for 10 hours to obtain an intermediate 3; the using ratio of the intermediate 2 to the carbamide to the deionized water is 0.02 mol: 0.02 mol: 50 mL;

step S4: adding the intermediate 3 and dimethyl sulfoxide into a flask, stirring for 15min at 50 ℃, then adding potassium tert-butoxide and 1, 5-dibromopentane, reacting for 6h at 30 ℃, performing rotary evaporation after the reaction is finished, washing for 3 times by using an ethanol solution with the mass fraction of 80%, and freeze-drying to obtain an intermediate 4; the dosage ratio of the intermediate 3, dimethyl sulfoxide, potassium tert-butoxide and 1, 5-dibromopentane is 1 mmol: 100mL of: 0.01 g: 1mmol of the active component;

step S5: adding the intermediate 4 and dimethyl sulfoxide into a flask, stirring, introducing nitrogen, dropwise adding a trimethylamine solution into the flask, heating to 90 ℃, reacting for 6 hours, removing the solvent after the reaction is finished, and drying to obtain an intermediate 5; the dosage ratio of the intermediate 4, the dimethyl sulfoxide and the trimethylamine solution is 1 g: 150mL of: 20 mL;

step S6: adding the intermediate 5 and deionized water into a flask for refluxing, then adding potassium permanganate, performing reflux reaction for 3 hours to obtain an intermediate 6, then adding the intermediate 6 and deionized water into the flask, introducing nitrogen, dropwise adding thionyl chloride and DMF, and performing reaction for 4 hours at 70 ℃ to obtain an active ingredient; the dosage ratio of the intermediate 5, the deionized water and the potassium permanganate is 0.01 mol: 35mL of: 0.012 mol; the dosage ratio of the intermediate 6, deionized water, thionyl chloride and DMF is 0.01 mol: 40mL, 0.01 mol: 0.05 mL.

Example 4

Preparing an antibacterial and acaricidal agent, wherein the antibacterial and acaricidal agent is prepared by the following steps:

adding chitosan into acetic acid solution with the mass fraction of 1%, stirring and dispersing, adding the active ingredient prepared in the embodiment 2, then adding triethylamine, stirring and reacting for 2 hours, removing the solvent, and drying at 45 ℃ to prepare the antibacterial and anti-mite agent.

Example 5

Preparing an antibacterial and anti-mite finishing liquid, wherein the antibacterial and anti-mite finishing liquid comprises the following raw materials in parts by weight: 1 part of silver-loaded nano zinc oxide, 2.1 parts of dispersant, 1.2 parts of stabilizer, 10.2 parts of colorant, 13.5 parts of antibacterial and anti-mite agent prepared in example 4 and 50 parts of deionized water;

the antibacterial anti-mite finishing liquid is prepared by the following steps:

placing silver-loaded nano zinc oxide in deionized water, shearing and dispersing for 20min at the rotating speed of 4000r/min by using a high-speed shearing emulsifying machine, then adding a dispersing agent, ultrasonically mixing for 15min, adding an antibacterial anti-mite agent, stirring for 5min, then adding a stabilizing agent and a coloring agent, stirring, placing in a water bath at 40 ℃, and storing in the dark for 5h to prepare the antibacterial anti-mite finishing liquid.

Example 6

Preparing an antibacterial and anti-mite finishing liquid, wherein the antibacterial and anti-mite finishing liquid comprises the following raw materials in parts by weight: 3 parts of silver-loaded nano zinc oxide, 3.7 parts of dispersant, 2.4 parts of stabilizer, 11.7 parts of colorant, 14.6 parts of antibacterial and anti-mite agent prepared in example 4 and 60 parts of deionized water;

the antibacterial anti-mite finishing liquid is prepared by the following steps:

placing silver-loaded nano zinc oxide in deionized water, shearing and dispersing for 20min at the rotating speed of 4500r/min by using a high-speed shearing emulsifying machine, then adding a dispersing agent, ultrasonically mixing for 15min, adding the antibacterial anti-mite agent, stirring for 5min, then adding a stabilizing agent and a coloring agent, stirring, placing in a water bath at 40 ℃, and storing in the dark for 6h to prepare the antibacterial anti-mite finishing liquid.

Example 7

Preparing an antibacterial and anti-mite finishing liquid, wherein the antibacterial and anti-mite finishing liquid comprises the following raw materials in parts by weight: 5 parts of silver-loaded nano zinc oxide, 5.5 parts of dispersant, 3.6 parts of stabilizer, 13.2 parts of colorant, 16.7 parts of antibacterial and anti-mite agent prepared in example 4 and 70 parts of deionized water;

the antibacterial anti-mite finishing liquid is prepared by the following steps:

placing silver-loaded nano zinc oxide in deionized water, shearing and dispersing for 20min at the rotating speed of 5000r/min by using a high-speed shearing emulsifying machine, then adding a dispersing agent, ultrasonically mixing for 15min, adding an antibacterial anti-mite agent, stirring for 5min, then adding a stabilizing agent and a coloring agent, stirring, placing in a water bath at 40 ℃, and storing in the dark for 7h to prepare the antibacterial anti-mite finishing liquid.

In examples 5 to 7, the dispersant was sodium dodecylbenzenesulfonate, the stabilizer was a cellulose derivative, and the colorant was an epoxy-based colorant.

Example 8

An ionic antibacterial anti-mite heat storage fabric is prepared by the following steps:

the method comprises the following steps: dipping 1, 2, 3, 4-butanetetracarboxylic acid at the bath ratio of 1:20 for 2h at normal temperature, then putting the pretreated fabric substrate into the antibacterial and anti-mite finishing liquid at the bath ratio of 1:35, heating to 50 ℃, and dipping for 30 min;

step two: and taking out the impregnated fabric, then placing the fabric in a padder for rolling, keeping the rolling residual rate at 80%, then impregnating for 1h again at the temperature of 45 ℃, adding the impregnated fabric into an oven after the impregnation is finished, pre-drying for 1min at the temperature of 90 ℃, then heating to 120 ℃, and drying for 3min to obtain the ionic antibacterial anti-mite heat storage fabric.

Example 9

A processing technology of an ionic antibacterial anti-mite heat storage fabric specifically comprises the following steps:

the method comprises the following steps: dipping 1, 2, 3, 4-butanetetracarboxylic acid at the bath ratio of 1:20 for 2h at normal temperature, then putting the pretreated fabric substrate into the antibacterial and anti-mite finishing liquid at the bath ratio of 1:35, heating to 50 ℃, and dipping for 35 min;

step two: and taking out the impregnated fabric, then placing the fabric in a padder for rolling, keeping the rolling residual rate at 80%, then impregnating for 1h again at the temperature of 45 ℃, adding the impregnated fabric into an oven after the impregnation is finished, pre-drying for 1min at the temperature of 90 ℃, then heating to 120 ℃, and drying for 3min to obtain the ionic antibacterial anti-mite heat storage fabric.

Example 10

A processing technology of an ionic antibacterial anti-mite heat storage fabric specifically comprises the following steps:

the method comprises the following steps: dipping 1, 2, 3, 4-butanetetracarboxylic acid at the bath ratio of 1:20 for 2h at normal temperature, then putting the pretreated fabric substrate into the antibacterial and anti-mite finishing liquid at the bath ratio of 1:35, heating to 50 ℃, and dipping for 40 min;

step two: and taking out the impregnated fabric, then placing the fabric in a padder for rolling, keeping the rolling residual rate at 80%, then impregnating for 1h again at the temperature of 45 ℃, adding the impregnated fabric into an oven after the impregnation is finished, pre-drying for 1min at the temperature of 90 ℃, then heating to 120 ℃, and drying for 3min to obtain the ionic antibacterial anti-mite heat storage fabric.

The antibacterial and anti-mite finishing liquid in the examples 8 to 10 is prepared by the method of example 6;

comparative example 1: deionized water was used instead of the antibacterial and anti-mite finishing liquid treatment compared to example 9.

Comparative example 2: the treatment was carried out using a finishing liquid without adding an antibacterial and acaricidal agent, as compared with example 9.

Comparative example 3: the treatment was carried out using a finishing liquor without addition of silver-loaded nano-zinc oxide compared to example 9.

The performance tests of the trial 8-10 and the comparative examples 1-3 are carried out, and the antibacterial performance tests are carried out according to GB/T20944.3-2008, and the obtained results are shown in the following table:

it can be seen from the above table that examples 8-10 have good bacteriostatic effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. An ionic antibacterial anti-mite heat storage fabric is characterized in that a pretreated fabric substrate is soaked in an antibacterial anti-mite finishing liquid and then dried to obtain the ionic antibacterial anti-mite heat storage fabric;

the antibacterial anti-mite finishing liquid comprises the following raw materials in parts by weight: 1-5 parts of silver-loaded nano zinc oxide, 2.1-5.5 parts of dispersant, 1.2-3.6 parts of stabilizer, 10.2-13.2 parts of colorant, 13.5-16.7 parts of antibacterial anti-mite agent and 50-70 parts of deionized water;

the antibacterial and acarid-proof agent is prepared by the following steps:

adding chitosan into acetic acid solution with the mass fraction of 1%, stirring and dispersing, adding active ingredients, then adding triethylamine, stirring and reacting for 2 hours, removing the solvent, and drying at 45 ℃ to obtain the antibacterial and acaricidal agent.

2. The ionic antibacterial anti-mite heat storage fabric according to claim 1, wherein the antibacterial anti-mite finishing liquid is prepared by the following steps:

placing silver-loaded nano zinc oxide in deionized water, shearing and dispersing for 20min, then adding a dispersing agent, ultrasonically mixing for 15min, adding the antibacterial anti-mite agent, stirring for 5min, then adding a stabilizing agent and a coloring agent, stirring, placing in a water bath at 40 ℃, and storing in dark place for 5-7h to obtain the antibacterial anti-mite finishing liquid.

3. The ionic antibacterial anti-mite heat storage fabric as claimed in claim 1, wherein the active ingredients are prepared by the following steps:

step S1: adding p-methylbenzoic acid and methanol into a flask, dropwise adding a sulfuric acid solution, and carrying out reflux reaction for 12 hours to obtain an intermediate 1;

step S2: adding the intermediate 1 into hydrazine hydrate with the mass fraction of 80%, stirring and reacting for 11-13h at room temperature, and drying after the reaction is finished to obtain an intermediate 2;

step S3: adding the intermediate 2, carbamide and deionized water into a flask, and carrying out reflux reaction at 100 ℃ for 8-10h to obtain an intermediate 3;

step S4: adding the intermediate 3 and dimethyl sulfoxide into a flask, stirring for 15min at the temperature of 40-50 ℃, then adding potassium tert-butoxide and 1, 5-dibromopentane, and reacting for 5-6h at the temperature of 30 ℃ to obtain an intermediate 4;

step S5: adding the intermediate 4 and dimethyl sulfoxide into a flask, stirring, introducing nitrogen, dropwise adding a trimethylamine solution into the flask, heating to 90 ℃, and reacting for 6 hours to obtain an intermediate 5;

step S6: adding the intermediate 5 and deionized water into a flask for refluxing, then adding potassium permanganate, carrying out reflux reaction for 3 hours to obtain an intermediate 6, then adding the intermediate 6 and deionized water into the flask, introducing nitrogen, dropwise adding thionyl chloride and DMF, and carrying out reaction for 4 hours at 70 ℃ to obtain an active ingredient.

4. The ionic antibacterial anti-mite heat storage fabric as claimed in claim 1, wherein the fabric substrate is a pure woven fabric or a blended fabric.

5. The ionic antibacterial anti-mite heat storage fabric according to claim 4, wherein the pure woven fabric is any one of cotton fabric, silk fabric and polyester fabric, and the blended fabric is any one of polyester-viscose, polyester-nitrile and polyester-cotton.

6. The ionic antibacterial anti-mite heat storage fabric as claimed in claim 1, wherein the dispersing agent is sodium dodecyl benzene sulfonate, and the stabilizing agent is a cellulose derivative.

7. The processing technology of the ionic antibacterial anti-mite heat storage fabric according to claim 1 is characterized by comprising the following steps:

the method comprises the following steps: placing the pretreated fabric substrate in the antibacterial and anti-mite finishing liquid at normal temperature at a bath ratio of 1:35, heating to 50 ℃, and soaking for 30-40 min;

step two: and taking out the impregnated fabric, then placing the fabric in a padder for rolling, keeping the rolling residual rate at 80%, then impregnating for 1h again at the temperature of 45 ℃, adding the impregnated fabric into an oven after the impregnation is finished, pre-drying for 1min at the temperature of 90 ℃, then heating to 120 ℃, and drying for 3min to obtain the ionic antibacterial anti-mite heat storage fabric.

8. The processing technology of the ionic antibacterial anti-mite heat storage fabric according to claim 7, characterized in that the pretreatment is to dip the fabric for 2 hours by using 1, 2, 3, 4-butanetetracarboxylic acid at a bath ratio of 1: 20.