阅读说明：本技术 一种除臭面料及其制备方法 (Deodorization fabric and preparation method thereof ) 是由 陈小迎 于 2021-08-13 设计创作，主要内容包括：本发明适用面料技术领域,提供一种除臭面料及其制备方法,所述除臭面料,包括：底层、面料层和抗菌除臭层；所述抗菌除臭层设于底层和面料层之间,所述抗菌除臭层为抗菌除臭纤维织造而成。本发明实施例中的溶胀剂可以使得纤维的孔隙扩大,浸渍溶液向纤维内部的扩散阻力减小,缓冲剂对反应PH进行调节,使得反应更加充分,纤维上的硫代酰胺基通过其自身的还原性与过渡金属离子发生氧化还原反应,使得过渡金属离子还原成单质金属,这种单质金属存在于纤维上,通过单质金属的抗菌性实现纤维抗菌除臭。(The invention is suitable for the technical field of fabrics, and provides a deodorizing fabric and a preparation method thereof, wherein the deodorizing fabric comprises the following components: a bottom layer, a fabric layer and an antibacterial deodorizing layer; the antibacterial and deodorant layer is arranged between the bottom layer and the fabric layer and is formed by weaving antibacterial and deodorant fibers. The swelling agent in the embodiment of the invention can enlarge the pores of the fibers, the diffusion resistance of the dipping solution to the interior of the fibers is reduced, the buffer adjusts the pH of the reaction, so that the reaction is more sufficient, the thioamide group on the fibers and the transition metal ions undergo redox reaction through the reducibility of the thioamide group on the fibers, so that the transition metal ions are reduced into elemental metal, the elemental metal exists on the fibers, and the antibacterial property of the elemental metal is utilized to realize the antibacterial deodorization of the fibers.)

1. A deodorant fabric is characterized by comprising: a bottom layer, a fabric layer and an antibacterial deodorizing layer; the antibacterial deodorizing layer is arranged between the bottom layer and the fabric layer, and is formed by weaving antibacterial deodorizing fibers, and comprises the following components in parts by weight:

10-20 parts of acrylic fiber, 100-200 parts of swelling agent, 30-60 parts of cross-linking agent, 20-30 parts of sodium sulfide, 15-25 parts of dimethylformamide, 30-40 parts of buffering agent, 10-20 parts of deodorizing liquid and 8-12 parts of transition metal ion solution.

2. The deodorizing fabric of claim 1, wherein said swelling agent is one of methylene chloride and ethylene dichloride.

3. The deodorizing fabric of claim 1, wherein said cross-linking agent is one of ethylenediamine, propylenediamine, hexamethylenediamine, and p-phenylenediamine.

4. The deodorizing fabric according to claim 1, wherein said buffer is one of a sodium phosphate buffer and a potassium phosphate buffer.

5. The deodorizing fabric according to claim 1, wherein the deodorizing liquid is prepared by the following steps: decocting jasmine, gardenia, aglaia odorata and sweet osmanthus in water for 5-8 hours, filtering, and concentrating until the relative density is 1.18 to obtain the jasmine, gardenia, aglaia odorata and sweet osmanthus in a weight ratio of (10-20): (15-25): (5-10): 8.

6. the deodorizing fabric according to claim 1, wherein said transition metal ion solution is one of a copper sulfate solution, a silver nitrate solution, and a zinc chloride solution.

7. A method of making a deodorising block of any of claims 1 to 6, characterised in that it includes the steps of:

preparing an antibacterial deodorizing layer: placing acrylic fibers in a swelling agent for swelling, taking out the acrylic fibers for spin-drying, adding a cross-linking agent and water into the swollen acrylic fibers, heating the swollen acrylic fibers at a constant temperature, taking out the acrylic fibers, washing the swollen acrylic fibers with water, drying the swollen acrylic fibers after washing, reacting the dried acrylic fibers with sodium sulfide, dimethylformamide and a buffering agent, washing the acrylic fibers with water after the reaction is finished, drying the acrylic fibers so as to obtain chelate fibers containing a thioamide functional group, soaking the chelate fibers in a deodorizing solution, taking out the chelate fibers for drying, soaking the chelate fibers in a transition metal ion solution, taking out the chelate fibers for drying, obtaining antibacterial deodorizing fibers, and weaving the antibacterial deodorizing fibers into an antibacterial deodorizing layer;

and fixing the antibacterial deodorizing layer between the bottom layer and the fabric layer to obtain the deodorizing fabric.

8. The deodorizing fabric prepared by the method for preparing the deodorizing fabric according to claim 7.

Technical Field

The invention belongs to the technical field of fabrics, and particularly relates to a deodorizing fabric and a preparation method thereof.

Background

With the improvement of living standard of people, the requirements of people on clothes are higher and higher, consumers develop from the first pursuit of heat preservation to the direction of paying attention to comfort, beauty, health and the like, and functional textiles are produced at the same time. In contemporary society, many materials in life may have harmful substances such as benzene, ammonia, etc. left, and a large amount of bacteria use human excrement such as sweat as the nutrient source, breed constantly, emit the ammonia that the stink is very strong simultaneously, cause very big influence to people's health.

At present, in order to improve the antibacterial and deodorant effects of fabrics, the surfaces of fibers are mostly treated with an antibacterial agent, the fibers are soaked in mercuric nitrate immersion liquid, or organic cadmium salt is added into the fibers, but in the treatment process, heavy metal ions contain ecological toxicity, and the heavy metal ions can affect human health after long-term use.

Disclosure of Invention

The invention aims to provide a deodorizing fabric and a preparation method thereof, and aims to solve the problems in the background art.

In order to achieve the above object, the present invention provides a deodorizing fabric, comprising: a bottom layer, a fabric layer and an antibacterial deodorizing layer; the antibacterial deodorizing layer is arranged between the bottom layer and the fabric layer, and is formed by weaving antibacterial deodorizing fibers, and comprises the following components in parts by weight:

10-20 parts of acrylic fiber, 100-200 parts of swelling agent, 30-60 parts of cross-linking agent, 20-30 parts of sodium sulfide, 15-25 parts of dimethylformamide, 30-40 parts of buffering agent, 10-20 parts of deodorizing liquid and 8-12 parts of transition metal ion solution.

Preferably, the swelling agent is one of dichloromethane and dichloroethane.

Preferably, the cross-linking agent is one of ethylenediamine, propylenediamine, hexamethylenediamine and p-phenylenediamine.

Preferably, the buffer is one of a sodium phosphate buffer and a potassium phosphate buffer.

Preferably, the preparation method of the deodorizing liquid comprises the following steps: decocting jasmine, gardenia, aglaia odorata and sweet osmanthus in water for 5-8 hours, filtering, and concentrating until the relative density is 1.18 to obtain the jasmine, gardenia, aglaia odorata and sweet osmanthus in a weight ratio of (10-20): (15-25): (5-10): 8.

preferably, the transition metal ion solution is one of a copper sulfate solution, a silver nitrate solution and a zinc chloride solution.

Preferably, the method comprises the following steps:

preparing an antibacterial deodorizing layer: placing the acrylic fiber in a swelling agent for swelling, then taking out the acrylic fiber for spin-drying, then adding a cross-linking agent and water into the swollen acrylic fiber, heating the acrylic fiber at constant temperature, taking out the acrylic fiber, washing the acrylic fiber with water, drying the acrylic fiber after cleaning, reacting the dried acrylic fiber with sodium sulfide, dimethylformamide and buffering agent, wherein the chemical stability of the acrylic fiber is low, under the action of acid or alkali, cyano (-CN) in the acrylic fiber is converted into amide group through functional group conversion reaction, after the reaction is finished, the acrylic fiber is washed by water and then dried, thereby obtaining chelate fiber containing thioamide functional groups, soaking the chelate fiber in deodorizing liquid, then taking out and drying, then soaking the fiber in a transition metal ion solution, then taking out and drying to obtain antibacterial deodorizing fiber, and weaving the antibacterial deodorizing fiber into an antibacterial deodorizing layer;

and fixing the antibacterial deodorizing layer between the bottom layer and the fabric layer to obtain the deodorizing fabric.

The deodorizing fabric prepared by the preparation method of the deodorizing fabric.

In summary, due to the adoption of the technical scheme, the method has the following beneficial effects:

the invention provides a deodorant fabric and a preparation method thereof, the swelling agent in the embodiment of the invention can enlarge the pores of fibers, the diffusion resistance of an impregnation solution to the interior of the fibers is reduced, a buffering agent adjusts the reaction PH, the chemical stability of the acrylic fibers is lower, under the action of acid or alkali, cyano groups (-CN) in the acrylic fibers are converted into amide groups through functional group conversion reaction, thioamide groups on the fibers have reducibility, transition metal ions have oxidability, the thioamide groups on the fibers and the transition metal ions undergo redox reaction through the reducibility of the thioamide groups on the fibers, so that the transition metal ions are reduced into elementary metal, the elementary metal exists on the fibers, and the antibacterial property of the fibers is realized.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Preparing a deodorizing liquid: decocting 10g of jasmine, 15g of gardenia, 8g of aglaia odorata and 8g of sweet osmanthus in water for 5 hours, filtering, and concentrating until the relative density is 1.18.

Preparing an antibacterial deodorizing layer: placing 10g of acrylic fiber in 100mL of swelling agent for swelling, taking out after swelling for 2h, spin-drying, adding 30g of cross-linking agent and 100g of water into the swollen acrylic fiber, heating in a 60 ℃ constant-temperature water bath kettle, taking out after 5h, washing, drying at 70 ℃ to constant weight, dissolving 20g of sodium sulfide in 30g of buffering agent, adding the dried acrylic fiber and 15g of dimethylformamide for reacting, taking out after 5h, washing with water, drying at 70 ℃ to constant weight after washing, obtaining chelate fiber containing a thioamide functional group, soaking the chelate fiber in deodorizing liquid, taking out after 12h, drying at 60 ℃ to constant weight, and soaking in 10g of the chelate fiber^-8Adding into mol/L transition metal ion solution, taking out after 24 hr, drying at 70 deg.C to constant weight to obtain antibacterial deodorizing fiber, and dryingWeaving an antibacterial deodorizing layer; the swelling agent is dichloromethane, the cross-linking agent is ethylenediamine, the buffering agent is 0.2mol/L sodium phosphate buffer solution, and the transition metal ion solution is silver nitrate solution.

And (3) fixing the antibacterial and deodorant layer between the bottom layer and the fabric layer, and treating for 10min under the pressure of 8Mpa to obtain the deodorant fabric.

Example 2

Preparing a deodorizing liquid: decocting 13g of jasmine, 18g of gardenia, 6g of aglaia odorata and 8g of sweet osmanthus in water for 5 hours, filtering, and concentrating until the relative density is 1.18.

Preparing an antibacterial deodorizing layer: placing 10g of acrylic fiber in 100mL of swelling agent for swelling, taking out the acrylic fiber after swelling for 2.5h for spin-drying, then adding 30g of cross-linking agent and 100g of water into the swollen acrylic fiber, heating the acrylic fiber in a 65 ℃ constant-temperature water bath kettle, taking out the acrylic fiber after 5h and cleaning the acrylic fiber, drying the acrylic fiber at 70 ℃ to constant weight after cleaning, dissolving 20g of sodium sulfide in 30g of buffering agent, then adding the dried acrylic fiber and 15g of dimethylformamide into the acrylic fiber for reaction, taking out the acrylic fiber and cleaning the acrylic fiber with water after 5h, drying the acrylic fiber at 70 ℃ to constant weight after cleaning to obtain chelate fiber containing a thioamide functional group, soaking the chelate fiber in deodorizing liquid, taking out the chelate fiber after 12h, drying the chelate fiber at 60 ℃ to constant weight, and then soaking the chelate fiber in 10^-7Taking out the fiber after 24 hours in mol/L transition metal ion solution, drying the fiber at 70 ℃ to constant weight to obtain antibacterial deodorizing fiber, and weaving the antibacterial deodorizing fiber into an antibacterial deodorizing layer; the swelling agent is dichloromethane, the cross-linking agent is ethylenediamine, the buffering agent is 0.2mol/L sodium phosphate buffer solution, and the transition metal ion solution is silver nitrate solution.

And (3) fixing the antibacterial and deodorant layer between the bottom layer and the fabric layer, and treating for 10min under the pressure of 8Mpa to obtain the deodorant fabric.

Example 3

Preparing a deodorizing liquid: decocting 10g of jasmine, 15g of gardenia, 5g of aglaia odorata and 8g of sweet osmanthus in water for 6 hours, filtering, and concentrating until the relative density is 1.18.

Preparation of antibacterial deodorant layer: placing 15g of acrylic fiber in 150mL of swelling agent for swelling, taking out after swelling for 2.5h, spin-drying, adding 30g of cross-linking agent and 100g of water into the swollen acrylic fiber, heating in a constant-temperature water bath kettle at 70 ℃, taking out the acrylic fiber after 5h, cleaning, drying at 70 ℃ to constant weight, dissolving 23g of sodium sulfide in 35g of buffering agent, adding the dried acrylic fiber and 18g of dimethylformamide for reacting, taking out after 6h, cleaning with water, drying at 70 ℃ to constant weight to obtain chelate fiber containing a thioamide functional group, soaking the chelate fiber in deodorizing liquid, taking out after 12h, drying at 60 ℃ to constant weight, and soaking in 10g of the chelate fiber^-7Taking out the fiber after 24 hours in mol/L transition metal ion solution, drying the fiber at 70 ℃ to constant weight to obtain antibacterial deodorizing fiber, and weaving the antibacterial deodorizing fiber into an antibacterial deodorizing layer; the swelling agent is dichloromethane, the cross-linking agent is ethylenediamine, the buffering agent is 0.2mol/L sodium phosphate buffer solution, and the transition metal ion solution is silver nitrate solution.

And (3) fixing the antibacterial and deodorant layer between the bottom layer and the fabric layer, and treating for 10min under the pressure of 8Mpa to obtain the deodorant fabric.

Example 4

Preparing a deodorizing liquid: decocting 15g of jasmine, 20g of gardenia, 7g of aglaia odorata and 8g of sweet osmanthus in water for 6 hours, filtering, and concentrating until the relative density is 1.18.

Preparing an antibacterial deodorizing layer: placing 15g of acrylic fiber in 150mL of swelling agent for swelling, taking out after swelling for 3h, spin-drying, adding 40g of cross-linking agent and 150g of water into the swollen acrylic fiber, heating in a 75 ℃ constant-temperature water bath kettle, taking out after 5h, washing, drying at 70 ℃ to constant weight, dissolving 25g of sodium sulfide in 37g of buffering agent, adding the dried acrylic fiber and 20g of dimethylformamide for reacting, taking out after 6h, washing with water, drying at 70 ℃ to constant weight to obtain chelate fiber containing a thioamide functional group, soaking the chelate fiber in a deodorizing solution, taking out after 12h, taking outDrying at 60 deg.C to constant weight, and soaking in 10 deg.C^-7Taking out the fiber after 24 hours in mol/L transition metal ion solution, drying the fiber at 70 ℃ to constant weight to obtain antibacterial deodorizing fiber, and weaving the antibacterial deodorizing fiber into an antibacterial deodorizing layer; the swelling agent is dichloromethane, the cross-linking agent is ethylenediamine, the buffering agent is 0.2mol/L sodium phosphate buffer solution, and the transition metal ion solution is silver nitrate solution.

And (3) fixing the antibacterial and deodorant layer between the bottom layer and the fabric layer, and treating for 10min under the pressure of 9MPa to obtain the deodorant fabric.

Example 5

Preparing a deodorizing liquid: decocting 15g of jasmine, 20g of gardenia, 7g of aglaia odorata and 8g of sweet osmanthus in water for 7 hours, filtering, and concentrating until the relative density is 1.18.

Preparing an antibacterial deodorizing layer: placing 18g of acrylic fiber in 180mL of swelling agent for swelling, taking out after swelling for 3.5h, spin-drying, adding 50g of cross-linking agent and 200g of water into the swollen acrylic fiber, heating in a constant-temperature water bath kettle at 80 ℃, taking out the acrylic fiber after 5h, cleaning, drying at 70 ℃ to constant weight, dissolving 25g of sodium sulfide in 38g of buffering agent, adding the dried acrylic fiber and 23g of dimethylformamide for reacting, taking out after 7h, cleaning with water, drying at 70 ℃ to constant weight to obtain chelate fiber containing a thioamide functional group, soaking the chelate fiber in deodorizing liquid, taking out after 12h, drying at 60 ℃ to constant weight, and soaking in 10g of the chelate fiber^-7Taking out the fiber after 24 hours in mol/L transition metal ion solution, drying the fiber at 70 ℃ to constant weight to obtain antibacterial deodorizing fiber, and weaving the antibacterial deodorizing fiber into an antibacterial deodorizing layer; the swelling agent is dichloromethane, the cross-linking agent is ethylenediamine, the buffering agent is 0.2mol/L sodium phosphate buffer solution, and the transition metal ion solution is silver nitrate solution.

And (3) fixing the antibacterial and deodorant layer between the bottom layer and the fabric layer, and treating for 10min under the pressure of 9MPa to obtain the deodorant fabric.

Example 6

Preparing a deodorizing liquid: decocting 20g of jasmine, 25g of gardenia, 10g of aglaia odorata and 8g of sweet osmanthus in water for 8 hours, filtering, and concentrating until the relative density is 1.18.

Preparing an antibacterial deodorizing layer: placing 20g of acrylic fiber in 200mL of swelling agent for swelling, taking out the acrylic fiber after swelling for 4h, spin-drying the acrylic fiber, adding 60g of cross-linking agent and 300g of water into the swollen acrylic fiber, heating the acrylic fiber in a 90 ℃ constant-temperature water bath kettle, taking out the acrylic fiber after 5h, cleaning the acrylic fiber, drying the acrylic fiber at 70 ℃ to constant weight, dissolving 30g of sodium sulfide in 40g of buffering agent, adding the dried acrylic fiber and 25g of dimethylformamide into the acrylic fiber for reaction, taking out the acrylic fiber after 7h, cleaning the acrylic fiber, drying the acrylic fiber at 70 ℃ to constant weight to obtain chelate fiber containing a thioamide functional group, soaking the chelate fiber in deodorizing liquid, taking out the chelate fiber after 12h, drying the chelate fiber at 60 ℃ to constant weight, and soaking the chelate fiber in 10 DEG C^-7Taking out the fiber after 24 hours in mol/L transition metal ion solution, drying the fiber at 70 ℃ to constant weight to obtain antibacterial deodorizing fiber, and weaving the antibacterial deodorizing fiber into an antibacterial deodorizing layer; the swelling agent is dichloromethane, the cross-linking agent is ethylenediamine, the buffering agent is 0.2mol/L sodium phosphate buffer solution, and the transition metal ion solution is silver nitrate solution.

And (3) fixing the antibacterial and deodorant layer between the bottom layer and the fabric layer, and treating for 10min under the pressure of 9MPa to obtain the deodorant fabric.

Example 7

This example was prepared in the same manner as example 5, but with a different starting material, except that the swelling agent was dichloroethane.

Example 8

This example was conducted in the same manner as example 5 except that the crosslinking agent was propylenediamine, and was partially prepared from different raw materials.

Example 9

This example was conducted in the same manner as in example 5 except that the transition metal ion solution was a copper sulfate solution, and was partially different from the starting material.

Example 10

This example is the same as example 5, but differs from example 5 in that the transition metal ion solution is a zinc chloride solution.

Example 11

This example was the same as the preparation method of example 5 except that the buffer was 0.2mol/L potassium phosphate buffer, and some of the raw materials were different.

Example 12

This example was conducted in the same manner as example 5 except that the crosslinking agent was hexamethylenediamine, and part of the starting materials were different.

Example 13

This example was conducted in the same manner as example 5 except that p-phenylenediamine was used as the crosslinking agent, and part of the starting materials were different from each other.

Example 14

This example was carried out in the same manner as in example 5 except that the temperature of the thermostatic waterbath was 95 ℃.

Comparative example 1

This comparative example is partially the same as the preparation method of example 5 except that the acrylic fiber of this comparative example was used without being swollen with a swelling agent.

Comparative example 2

This comparative example was prepared in part by the same method as example 5, except that no buffer was added during the preparation of the antibacterial deodorant layer.

Comparative example 3

This comparative example is partially identical to the preparation method of example 5, except that, in the preparation of the antibacterial deodorant layer according to this comparative example, the acrylic fiber was used without swelling with a swelling agent and without adding a buffer.

Comparative example 4

This example is partially the same as example 5, except that the acrylic fiber is swollen with a swelling agent and then directly soaked in a deodorizing solution and a transition metal ion solution.

Comparative example 5

This example is partially the same as example 5 except that the chelate fiber containing a thioamide functional group is not soaked in the deodorizing solution and the transition metal ion solution.

Experimental verification

The deodorization rates and the inhibition zones of the deodorization fabrics prepared in the examples 1 to 10 and the comparative examples 1 to 5 of the present invention were measured, the deodorization rate test standard is GB/T33610.2, the inhibition zone test standard is GB/T20944, and the results are shown in Table 1.

Sample treatment: 0.3-0.5ml of bacteria liquid (10) is dripped into a sterile nutrient agar plate⁵-10⁶cfu/ml), uniformly smearing, drying in an incubator for 10-15min, cutting the deodorant fabric prepared in examples 1-10 and comparative examples 1-5 into short fibers of 1.0cm, and placing the short fibers in a flat dish for coating detection bacteria one by one. The detection bacterium is escherichia coli, and the detection bacterium is cultured for 24 hours at the temperature of 30 ℃, and the result is shown in table 1.

TABLE 1

As can be seen from table 1, the deodorizing fabrics prepared in embodiments 1 to 10 of the present invention have good deodorizing and bacteriostatic effects, the thioamide group on the fiber undergoes an oxidation-reduction reaction with the transition metal ion through its own reducibility, so that the transition metal ion is reduced to elemental metal, the elemental metal exists on the fiber, and the antibacterial property of the elemental metal is utilized to realize the antibacterial and deodorizing of the fiber. As can be seen from the data of comparative examples 1 to 5, the swelling agent can enlarge the pores of the fibers, reduce the diffusion resistance of the impregnation solution to the inside of the fibers, and the buffer agent can adjust the pH of the reaction, so that the reaction is more sufficient and the antibacterial and deodorant effects are better.

In summary, the following steps: the swelling agent in the embodiment of the invention can enlarge the pores of the fibers, the diffusion resistance of the dipping solution to the interior of the fibers is reduced, the buffer adjusts the pH of the reaction, so that the reaction is more sufficient, the thioamide group on the fibers and the transition metal ions undergo redox reaction through the reducibility of the thioamide group on the fibers, so that the transition metal ions are reduced into elemental metal, the elemental metal exists on the fibers as particles similar to a nanometer state, and the antibacterial property of the elemental metal is used for realizing the antibacterial deodorization of the fibers.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.