CN113652869A - Preparation process of anti-mite and antibacterial fabric - Google Patents
Preparation process of anti-mite and antibacterial fabric Download PDFInfo
- Publication number
- CN113652869A CN113652869A CN202110936078.4A CN202110936078A CN113652869A CN 113652869 A CN113652869 A CN 113652869A CN 202110936078 A CN202110936078 A CN 202110936078A CN 113652869 A CN113652869 A CN 113652869A
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- Prior art keywords
- fabric
- mite
- bacteriostatic
- fibers
- negative pressure
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a preparation process of an anti-mite and bacteriostatic fabric. The prepared fabric is soft and skin-friendly, has good anti-mite and antibacterial effects and high safety, and is suitable for making underwear.
Description
Technical Field
The invention relates to the field of textile fabrics, in particular to a preparation process of an anti-mite and bacteriostatic fabric.
Background
Mites and bacteria are ubiquitous in our daily lives, and have various effects on our health. Especially, if the underclothes such as home wear and the like directly contacted with the skin carry a large amount of bacteria and mites, the underclothes can pollute the skin and block pores, so that serious skin diseases such as acne growing, inflammation, pruritus, suppuration and the like can be caused.
For home wear fabrics and the like, high-count and high-density worsted fabrics are adopted, the fabrics are soft and smooth, and have good skin-friendly feeling, but due to the smooth surfaces, when the finishing liquid is subjected to post-treatment, if the contact residence time of the finishing liquid on the surfaces of the finishing liquid is short, the finishing liquid cannot fully permeate the fabrics, so that the treatment effect is poor; the prior art mainly achieves the purpose of full permeation by increasing the dipping time, and has low treatment efficiency.
Disclosure of Invention
The invention aims to provide a preparation process of an anti-mite and bacteriostatic fabric. The prepared fabric is soft and skin-friendly, has good anti-mite and antibacterial effects and high safety, and is suitable for making underwear.
The purpose of the invention is realized by the following technical scheme:
the preparation process of the anti-mite and bacteriostatic fabric comprises the following steps:
(1) spinning the fibers into yarns;
(2) weaving the yarn into a fabric;
(3) carrying out post-treatment on the fabric by using an anti-mite and bacteriostatic finishing liquid to obtain an anti-mite and bacteriostatic fabric;
the number of spun yarns is 40 or more;
the density of the woven fabric is that the total number of warp yarns and weft yarns in each square inch of the fabric is not less than 200;
the anti-mite and bacteriostatic finishing liquid is used for post-treating the fabric, and the method specifically comprises the following steps:
1) carrying out spray-dipping treatment on the fabric by using an anti-mite and bacteriostatic finishing liquid;
2) soaking the sprayed and soaked fabric by using an anti-mite and bacteriostatic finishing liquid to complete the soaking of the fabric;
3) and (4) carrying out liquid removal and blow-drying treatment on the soaked fabric.
Preferably, the fibers comprise natural plant fibers.
Preferably, the fibers further comprise chemical fibers.
Preferably, the natural plant fiber comprises at least one of cotton fiber and kapok fiber.
Preferably, the chemical fiber comprises at least one of synthetic fiber and regenerated fiber.
Preferably, the synthetic fibers comprise vinylon (polyvinyl formal fibers).
Preferably, the regenerated fibers comprise at least one of regenerated plant cellulose fibers and regenerated plant protein fibers;
the regenerated plant cellulose fiber comprises at least one of bamboo pulp fiber and wormwood fiber;
the regenerated vegetable protein fiber comprises soy protein fiber.
The cotton fiber is long staple cotton fiber, and the average length of the long staple cotton fiber pulled by hands is 33-45 mm;
the kapok fiber, the vinylon, the bamboo pulp fiber, the wormwood fiber and the soybean protein fiber are all chopped fibers, and the lengths of the chopped fibers are 30-50 mm.
Cotton fiber, also called cotton, is an important raw material in the textile industry, the cotton fiber product has good moisture absorption and air permeability, is soft and warm, and has the main component substance of cellulose, and has the characteristics of alkali resistance and acid resistance;
the kapok fiber is used as a natural cellulose fiber, has a unique structure of thin wall and large hollow, the hollow rate of the kapok fiber is far higher than that of other existing fibers, the kapok fiber is an excellent heat insulation, sound insulation, heat preservation and buoyancy material, the gloss, the hygroscopicity and the heat preservation performance of the kapok fiber are natural materials used as clothing fabrics, the kapok fiber is not easy to be wetted by water, the kapok fiber has good air permeability, is natural and antibacterial, is not moth-eaten and mildew-proof, and has good alkali resistance and certain weak acid resistance;
vinylon is called as synthetic cotton, and has the advantages of high hygroscopicity, good chemical stability, weak resistance to strong acid and alkali;
the bamboo pulp fiber has good natural antibacterial and deodorizing properties, good wear resistance and hygroscopicity, good drapability and soft hand feeling;
the wormwood fiber has good moisture absorption and moisture permeability, soft hand feeling and biodegradability, and also has the specific functions and health care performance of the wormwood, such as antibiosis and bacteriostasis, health preservation and health care, and the like;
the bamboo pulp fiber and the wormwood fiber are used as regenerated plant cellulose fibers and have the characteristics of alkali resistance and acid resistance;
the soybean protein fiber has fine fineness, light specific gravity, high tensile strength, strong acid and alkali resistance, good moisture absorption and conductivity, cashmere-like soft hand feeling, silk-like soft luster, and excellent performances of better heat retention property and good skin-friendly property than cotton; the soybean protein fiber is not acid-resistant and has certain alkali resistance.
Preferably, the anti-mite bacteriostatic finishing liquid comprises the following components in parts by weight: 5-10 parts of carboxymethyl chitosan, 3-5 parts of matrine, 1-2 parts of 2-methyl-4-isothiazoline-3-ketone, 500 parts of pure water, 0.1-0.5 part of emulsifier, 0.1-0.5 part of silane coupling agent and 0.05-0.1 part of sodium alginate;
the preparation steps are as follows:
1) weighing the raw materials according to the proportion;
2) adding sodium alginate and carboxymethyl chitosan into pure water, and stirring to obtain a transparent and viscous solution;
the viscosity of the viscous solution is 50-300 mPa.s;
3) adding matrine into the transparent and viscous solution, and stirring to completely dissolve to obtain a mixed solution;
4) adding 2-methyl-4-isothiazoline-3-ketone, an emulsifier and a silane coupling agent into the mixed solution, and stirring until the mixture is uniformly dispersed to prepare the anti-mite and bacteriostatic finishing liquid.
The carboxymethyl chitosan is a water-soluble chitosan derivative, is prepared on the basis of shells of shrimps, crabs and the like as raw materials, is a biological anti-mite bacteriostatic agent, has good insecticidal and bactericidal effects, has strong inhibitory effect on staphylococcus aureus, escherichia coli and the like, and has strong antibacterial property;
the matrine is extracted from Sophora flavescens of Leguminosae, is a biological anti-mite bacteriostatic agent, has the effects of sterilization, disinfection and disinsection, has good inhibiting and killing effects on fungi, cocci and bacilli, and can effectively remove mites;
the 2-methyl-4-isothiazoline-3-ketone is a chemically synthesized high-efficiency bactericide, has a good effect of inhibiting the growth of microorganisms, can effectively kill various bacteria at low concentration, can inhibit the growth of bacteria, fungi and molds, and has good biological and acaricidal activity.
Preferably, a fabric infiltration treatment device is adopted to carry out anti-mite and bacteriostatic post-treatment on the fabric, and comprises an infiltration tank; the top end of one side of the infiltration tank is provided with a spraying and immersing mechanism, and the top end of the other side of the infiltration tank is provided with a dewatering mechanism;
the spraying and soaking mechanism comprises a negative pressure cavity, and the negative pressure cavity accelerates the finishing liquor to soak the fabric;
the negative pressure cavity comprises a stripping assembly, the stripping assembly is positioned above the negative pressure cavity, and the stripping assembly is used for separating the fabric from the negative pressure cavity after the fabric is sprayed and soaked;
the spraying and soaking mechanism also comprises a spraying component, the spraying component is positioned right above the negative pressure cavity, and one side of the spraying component is connected with the soaking pool through a circulating pump;
the dewatering mechanism comprises a water filtering component, an air drying component is arranged right above the water filtering component, and the air drying component is used for dewatering the soaked fabric;
and the negative pressure cavity and two side edges above the water filtering component are respectively provided with a press roller, and the press rollers are used for flatly conveying the fabric above the negative pressure cavity and the water filtering component.
Compared with the prior art, the invention has the following beneficial effects:
1. the fabric is prepared based on the plant fibers, the fibers are soft in hand feeling, and the prepared fabric is good in skin affinity and suitable for manufacturing underwear, home furnishings and other close-fitting clothes.
2. The fibers of the fabric prepared by the method comprise natural plant fibers and chemical fibers, the fiber strength is good, the moisture absorption is high, the kapok fibers in the natural plant fibers and the regenerated plant cellulose fibers in the chemical fibers have natural effects of sterilizing and expelling mites, the breeding and reproduction of bacteria and mites can be effectively inhibited, and the prepared fabric has an anti-mite and anti-bacteria effect and has a lasting effect.
3. According to the invention, the prepared fabric is subjected to post-treatment by using the anti-mite and antibacterial finishing liquid, the finishing liquid fully infiltrates the fabric, active ingredients in the finishing liquid are air-dried and solidified under the action of the auxiliary agent and firmly attached to fibers of the fabric, the anti-mite and antibacterial effect of the fabric is effectively improved, the use safety and health care of the fabric as close-fitting clothes are further ensured, the structure of the fibers cannot be damaged by the finishing liquid, and the service life of the performance of the fabric cannot be influenced.
4. The effective components of the anti-mite and bacteriostatic finishing liquid adopted in the anti-mite and bacteriostatic post-treatment comprise carboxymethyl chitosan, matrine and 2-methyl-4-isothiazoline-3-ketone, the carboxymethyl chitosan and the matrine are biological source anti-mite bacteriostatic agents, the 2-methyl-4-isothiazoline-3-ketone is a chemically synthesized anti-mite bacteriostatic agent, and the biological source anti-mite bacteriostatic agent and the chemically synthesized anti-mite bacteriostatic agent are matched for use to have a synergistic effect, so that the anti-mite and bacteriostatic finishing liquid can effectively kill various bacteria and mites in fabrics, and can reduce the toxicity of the anti-mite and bacteriostatic finishing liquid prepared from the pure chemically synthesized anti-mite bacteriostatic agent and the pollution to the environment.
5. According to the invention, the fabric is subjected to anti-mite and antibacterial post-treatment by adopting the fabric infiltration treatment device, and the fabric is subjected to two times of infiltration treatment by the spray-immersion mechanism and the infiltration tank, so that the fabric fully permeates and absorbs the anti-mite and antibacterial finishing liquid, and compared with the traditional immersion process, the treatment time is shortened, and the treatment efficiency of the fabric is effectively improved; filtrate and air-drying treatment are carried out on the fabric subjected to the soaking treatment, so that the recycling of the finishing liquid is realized, and the fabric which is soaked and carries excessive finishing liquid is prevented from being directly transmitted out from the soaking device, so that the waste of the finishing liquid and the environmental pollution to processing are avoided.
Drawings
FIG. 1 is a flow diagram of a manufacturing process of the present invention;
FIG. 2 is a schematic view of the internal cross-sectional plane structure of the fabric infiltration treatment device of the present invention;
FIG. 3 is a schematic view of the overall three-dimensional structure of the fabric infiltration treatment device of the present invention;
FIG. 4 is a schematic view of the overall side plan view of the fabric treating apparatus of the present invention;
FIG. 5 is a schematic view of a three-dimensional structure of a linkage plate, a spraying assembly and an air drying assembly of the fabric infiltration treatment device of the invention;
FIG. 6 is a schematic view of a cross-sectional three-dimensional structure of the middle part of the fabric infiltration treatment device in the invention;
FIG. 7 is a schematic view of a partial internal cross-sectional three-dimensional structure of a negative pressure cavity of the fabric infiltration treatment device of the present invention;
fig. 8 is a schematic view of the enlarged structure at the position B of fig. 7 according to the present invention.
In the figure: 1. soaking in a pool; 11. a guide roller; 12. a conveying roller shaft; 13. an electrically controlled valve; 2. a spray-dip mechanism; 3. a dewatering mechanism; 4. a negative pressure cavity; 41. a support plate; 42. a negative pressure hole; 43. a first rounded corner; 44. a negative pressure machine; 5. a stripping assembly; 51. a movable plate; 52. a top rod; 53. a hemisphere; 54. a telescopic rod; 6. a spray assembly; 61. a circulation pump; 62. a reservoir chamber; 63. a spray head; 64. a hose; 7. a water filtration assembly; 71. a water filter plate; 72. water filtering holes; 73. a second rounded corner; 74. a blowing cavity; 75. a material ejecting component; 8. air-drying the assembly; 81. a blast cavity; 82. an electric heating fan; 83. an air blowing port; 9. a linkage plate; 91. a drive rod; 10. and (4) pressing the rolls.
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 the anti-mite and bacteriostatic fabric:
(1) taking cotton fiber, and spinning the cotton fiber into yarn through opening, cotton mixing, cotton carding, drawing, twisting and drafting;
the number of spun yarns was 40;
(2) weaving the yarn into a fabric;
the density of the woven fabric is 140 warps and 110 wefts per square inch;
(3) performing anti-mite and antibacterial post-treatment on the fabric:
1) preparing an anti-mite bacteriostatic finishing liquid:
a) 5 parts of carboxymethyl chitosan, 3 parts of matrine, 1 part of 2-methyl-4-isothiazoline-3-ketone, 100 parts of pure water, 70.1 parts of emulsifier AEO-70, KH 5500.1 parts of silane coupling agent and 0.05 part of sodium alginate;
b) adding sodium alginate and carboxymethyl chitosan into pure water, and stirring to obtain a transparent and viscous solution with the viscosity of 300 mPas;
c) adding matrine into the transparent and viscous solution, and stirring to completely dissolve to obtain a mixed solution;
d) adding 2-methyl-4-isothiazoline-3-ketone, an emulsifier AEO-7 and a silane coupling agent KH550 into the mixed solution, and stirring until the mixture is uniformly dispersed to prepare the anti-mite and bacteriostatic finishing liquid;
2) anti-mite and antibacterial post-treatment:
a) carrying out spray-dipping treatment on the fabric by using an anti-mite and bacteriostatic finishing liquid for 5 minutes;
b) soaking the fabric subjected to spray-soaking treatment by using the anti-mite bacteriostatic finishing liquid for 5 minutes to finish soaking the fabric by using the anti-mite bacteriostatic finishing liquid;
c) and (4) carrying out liquid removal and blow-drying treatment on the fabric subjected to the infiltration treatment.
Example 2
Preparing the anti-mite and bacteriostatic fabric:
(1) cotton fiber and vinylon are taken, cotton opening and cotton mixing are carried out on the cotton fiber and the vinylon to form mixed fiber, and the mixed fiber is subjected to cotton carding, drawing, twisting and drafting treatment to be spun into yarn;
50 parts of cotton fiber and 50 parts of vinylon in the mixed fiber formed by the cotton fiber and the vinylon;
the number of spun yarns was 40;
(2) weaving the yarn into a fabric;
the density of the woven fabric is 140 warps and 110 wefts per square inch;
(3) performing anti-mite and antibacterial post-treatment on the fabric:
the steps of the anti-mite and bacteriostatic finishing liquid and the anti-mite and bacteriostatic post-treatment are the same as example 1.
Example 3
Preparing the anti-mite and bacteriostatic fabric:
(1) cotton fiber and bamboo pulp fiber are taken, cotton opening and cotton mixing are carried out on the cotton fiber and the bamboo pulp fiber to form mixed fiber, and the mixed fiber is processed by cotton carding, drawing, twisting and drafting to be spun into yarn;
50 parts of cotton fibers and 50 parts of bamboo pulp fibers in mixed fibers formed by the cotton fibers and the bamboo pulp fibers;
the number of spun yarns was 40;
(2) weaving the yarn into a fabric;
the density of the woven fabric is 140 warps and 110 wefts per square inch;
(3) performing anti-mite and antibacterial post-treatment on the fabric:
the steps of the anti-mite and bacteriostatic finishing liquid and the anti-mite and bacteriostatic post-treatment are the same as example 1.
Example 4
Preparing the anti-mite and bacteriostatic fabric:
(1) cotton fiber, vinylon and bamboo pulp fiber are taken, cotton opening and cotton mixing are carried out on the cotton fiber, the vinylon and the bamboo pulp fiber to form mixed fiber, and the mixed fiber is spun into yarn through cotton carding, drawing, twisting and drafting;
in the mixed fiber formed by the cotton fiber, the vinylon and the bamboo pulp fiber, 40 parts of the cotton fiber, 30 parts of the vinylon and 30 parts of the bamboo pulp fiber;
the number of spun yarns was 60;
(2) weaving the yarn into a fabric;
the density of the woven fabric is 172 warps and 143 wefts per square inch;
(3) performing anti-mite and antibacterial post-treatment on the fabric:
the steps of the anti-mite and bacteriostatic finishing liquid and the anti-mite and bacteriostatic post-treatment are the same as example 1.
Example 5
Preparing the anti-mite and bacteriostatic fabric:
(1) cotton fibers, kapok fibers, vinylon, bamboo pulp fibers, wormwood fibers and soybean protein fibers are taken, cotton fibers, kapok fibers, vinylon, bamboo pulp fibers, wormwood fibers and soybean protein fibers are subjected to cotton opening and cotton mixing to form mixed fibers, and the mixed fibers are subjected to cotton carding, drawing, twisting and drafting treatment to be spun into yarns;
in the mixed fiber formed by cotton fiber, kapok fiber, vinylon, bamboo pulp fiber, wormwood fiber and soybean protein fiber, 25 parts of cotton fiber, 20 parts of kapok fiber, 5 parts of vinylon, 20 parts of bamboo pulp fiber, 20 parts of wormwood fiber and 10 parts of soybean protein fiber;
the number of spun yarns was 80;
(2) weaving the yarn into a fabric;
the density of the woven fabric is 236 warps and 116 wefts per square inch;
(3) performing anti-mite and antibacterial post-treatment on the fabric:
the steps of the anti-mite and bacteriostatic finishing liquid and the anti-mite and bacteriostatic post-treatment are the same as example 1.
Example 6
Preparing the anti-mite and bacteriostatic fabric:
(1) cotton fiber, vinylon and bamboo pulp fiber are taken, cotton opening and cotton mixing are carried out on the cotton fiber, the vinylon and the bamboo pulp fiber to form mixed fiber, and the mixed fiber is spun into yarn through cotton carding, drawing, twisting and drafting;
in the mixed fiber formed by the cotton fiber, the vinylon and the bamboo pulp fiber, 40 parts of the cotton fiber, 30 parts of the vinylon and 30 parts of the bamboo pulp fiber;
the number of spun yarns was 60;
(2) weaving the yarn into a fabric;
the density of the woven fabric is 172 warps and 143 wefts per square inch;
(3) performing anti-mite and antibacterial post-treatment on the fabric:
1) preparing an anti-mite bacteriostatic finishing liquid:
a) 10 parts of carboxymethyl chitosan, 5 parts of matrine, 2 parts of 2-methyl-4-isothiazoline-3-ketone, 500 parts of pure water, 50.5 parts of emulsifier AEO-50, 0.1 part of sodium alginate and KH 5600.5 parts of silane coupling agent;
b) adding sodium alginate and carboxymethyl chitosan into pure water, and stirring to obtain transparent and viscous solution with viscosity of 50 mPas;
c) adding matrine into the transparent and viscous solution, and stirring to completely dissolve to obtain a mixed solution;
d) adding 2-methyl-4-isothiazoline-3-ketone, an emulsifier AEO-5 and a silane coupling agent KH560 into the mixed solution, and stirring until the mixture is uniformly dispersed to prepare the anti-mite and bacteriostatic finishing liquid;
2) anti-mite and antibacterial post-treatment: the specific procedure was the same as in example 1.
Example 7
Preparing the anti-mite and bacteriostatic fabric:
(1) cotton fibers, kapok fibers, vinylon, bamboo pulp fibers, wormwood fibers and soybean protein fibers are taken, cotton fibers, kapok fibers, vinylon, bamboo pulp fibers, wormwood fibers and soybean protein fibers are subjected to cotton opening and cotton mixing to form mixed fibers, and the mixed fibers are subjected to cotton carding, drawing, twisting and drafting treatment to be spun into yarns;
in the mixed fiber formed by cotton fiber, kapok fiber, vinylon, bamboo pulp fiber, wormwood fiber and soybean protein fiber, 25 parts of cotton fiber, 20 parts of kapok fiber, 5 parts of vinylon, 20 parts of bamboo pulp fiber, 20 parts of wormwood fiber and 10 parts of soybean protein fiber;
the number of spun yarns was 80;
(2) weaving the yarn into a fabric;
the density of the woven fabric is 236 warps and 116 wefts per square inch;
(3) performing anti-mite and antibacterial post-treatment on the fabric:
1) preparing an anti-mite bacteriostatic finishing liquid:
a) taking 7.5 parts of carboxymethyl chitosan, 4 parts of matrine, 1.5 parts of 2-methyl-4-isothiazoline-3-ketone, 250 parts of pure water, 70.3 parts of emulsifier AEO-70, 5600.2 parts of silane coupling agent KH and 0.075 part of sodium alginate;
b) adding sodium alginate and carboxymethyl chitosan into pure water, and stirring to obtain a transparent and viscous solution with the viscosity of 100 mPas;
c) adding matrine into the transparent and viscous solution, and stirring to completely dissolve to obtain a mixed solution;
d) adding 2-methyl-4-isothiazoline-3-ketone, an emulsifier AEO-7 and a silane coupling agent KH560 into the mixed solution, and stirring until the mixture is uniformly dispersed to prepare the anti-mite and bacteriostatic finishing liquid;
2) anti-mite and antibacterial post-treatment: the specific procedure was the same as in example 1.
The carboxymethyl chitosan used for preparing the anti-mite and bacteriostatic finishing liquid in examples 1 to 7 is N, O-carboxymethyl chitosan (Xian Wan breed science and technology Co., Ltd.), has good water solubility, and has a pH value of 6.0 to 8.0.
The matrines used for preparing the anti-mite and bacteriostatic finishing liquid in the embodiments 1 to 7 are all produced by Shaanxi comedy plant development Co., Ltd, and are dissolved in water, and the pH value is 9.5-10.5. Because the applicable pH range of the 2-methyl-4-isothiazoline-3-ketone is 2.0-12.0, the 2-methyl-4-isothiazoline-3-ketone can be mixed with water and is miscible with water, the solution is weakly acidic (the pH value is between 3.0 and 6.0), the anti-mite bacteriostatic finishing liquid prepared by taking carboxymethyl chitosan, matrine and 2-methyl-4-isothiazoline-3-ketone as effective components can partially neutralize the alkalinity of the matrine, so that the finishing liquid is alkaline but not alkaline, and the damage to alkali-resistant fibers can not be caused.
Comparative example 1
Compared with the example 1, when the anti-mite and bacteriostatic finishing liquid is prepared, the carboxymethyl chitosan is not added, the difference is complemented with pure water, and other conditions are not changed.
Comparative example 2
Compared with the example 1, when the fabric is subjected to the anti-mite and bacteriostatic post-treatment, the fabric is not subjected to spray soaking treatment, the fabric is directly subjected to soaking treatment by using the finishing liquid, the soaking time is 10 minutes, namely the total time is the same as that of the spray soaking treatment and the soaking treatment in the example 1, and then the fabric is subjected to liquid removal and blow drying, and other conditions are not changed.
The anti-mite bacteriostatic finish used in comparative example 2 was the same as that formulated in example 1.
Example 8
The embodiment discloses a fabric infiltration treatment device, and the fabric in the step (3) of the embodiments 1 to 7 is subjected to anti-mite and bacteriostatic post-treatment in the fabric infiltration treatment device.
As shown in fig. 2-8, the fabric infiltration treatment device comprises an infiltration tank 1, wherein a spraying and immersing mechanism 2 is arranged at the top end of one side of the infiltration tank 1, and a dewatering mechanism 3 is arranged at the top end of the other side of the infiltration tank 1; the spraying and soaking mechanism 2 comprises a negative pressure cavity 4, and the negative pressure cavity 4 can accelerate the finishing liquid to soak the fabric; the negative pressure cavity 4 comprises a stripping component 5, the stripping component 5 is positioned above the negative pressure cavity 4, and the stripping component 5 is used for stripping the fabric from the negative pressure cavity 4 after the fabric is sprayed and soaked; the spraying and soaking mechanism 2 also comprises a spraying component 6, the spraying component 6 is positioned right above the negative pressure cavity 4, and one side of the spraying component 6 is connected with the soaking pool 1 through a circulating pump 61; the dewatering mechanism 3 comprises a water filtering component 7, an air drying component 8 is arranged right above the water filtering component 7, and the air drying component 8 is used for dewatering the soaked fabric; the pressing rollers 10 are arranged on two side edges above the negative pressure cavity 4 and the water filtering component 7, and the pressing rollers 10 are used for conveying the fabric smoothly above the negative pressure cavity 4 and the water filtering component 7; the spraying assembly 6 is connected with the air drying assembly 8 through a linkage plate 9, the upper portion of the linkage plate 9 is connected with a ceiling through a driving rod 91, and the driving rod 91 stretches and retracts to drive the linkage plate 9 to move up and down.
Further, the driving rod 91 is preferably a cylinder or a cylinder.
Further, the bottom of one side of the middle part of the soaking pool 1 close to the spray-soaking mechanism 2 and the bottom of one side of the dewatering mechanism 3 are both provided with a guide roller 11, the guide roller 11 conveys the fabric conveyed out from the spray-soaking mechanism 2 to the middle part of the soaking pool 1 to soak the fabric, the soaking length of the fabric is equal to the length of the fabric treated by the spray-soaking mechanism 2, the length of the fabric processed by the spray soaking mechanism 2 is equal to the length of the fabric processed by the dewatering mechanism 3, the spray soaking mechanism 2 is utilized to firstly carry out spray soaking treatment on the fabric, so that the finishing liquid soaks the fabric, then the fabric is conveyed into the soaking tank 1 through the conveying roller shaft 12 and the guide roller 11, the soaking tank 1 soaks the fabric after the spraying and soaking treatment, so that the fabric can be completely soaked in the finishing liquid in the soaking tank 1, then, the dewatering mechanism 3 is used for dewatering and air drying the completely soaked fabric, so that the moisture on the surface of the soaked fabric is removed.
Referring to fig. 6-7, further, a feeding end and a discharging end of the spray-dip mechanism 2 and a feeding end and a discharging end of the dewatering mechanism 3 are respectively provided with a conveying roller shaft 12, and electric control valves 13 are respectively arranged between the spray-dip mechanism 2 and the soaking tank 1 and between the dewatering mechanism 3 and the soaking tank 1, and are used for discharging the finishing liquid into the soaking tank 1 when the spray-dip mechanism 2 and the dewatering mechanism 3 stop working, and controlling the finishing liquid received by the spray-dip mechanism 2 and the dewatering mechanism 3 to flow back into the soaking tank 1 by using the electric control valves 13, so that the finishing liquid is recovered.
Referring to fig. 8, further, the negative pressure chamber 4 further includes a support plate 41, and a negative pressure hole 42 is disposed on the support plate 41; the end part above the negative pressure hole 42 is provided with a first fillet 43, the fabric is prevented from being scratched by the end part of the negative pressure hole 42, the stripping component 5 is positioned below the support plate 41, the negative pressure machine 44 is arranged outside the negative pressure cavity 4, the air draft side of the negative pressure machine 44 is communicated with the negative pressure cavity 4 through an air pipe, the negative pressure machine 44 is used for conducting air draft treatment on the negative pressure cavity 4, negative pressure is formed inside the negative pressure cavity 4, then when the fabric is positioned above the support plate 41, the spray component 6 sprays finishing liquid on the fabric, and meanwhile, under the negative pressure inside the negative pressure cavity 4, the negative pressure hole 42 generates suction on the fabric, and the finishing liquid infiltration effect on the fabric is better.
Further, the stripping assembly 5 comprises a movable plate 51, the upper surface of the movable plate 51 is provided with an ejector rod 52 matched with the negative pressure hole 42, the end part of the ejector rod 52 is provided with a hemisphere 53, the front end and the rear end of the movable plate 51 are both provided with telescopic rods 54 connected with the support plate 41, the ejector rod 52 arranged on the upper surface of the movable plate 51 is utilized, when the fabric is sprayed and soaked, the telescopic rods 54 contract to drive the movable plate 51 to move upwards, so that the hemisphere 53 at the end part of the ejector rod 52 is located at the first fillet 43 of the negative pressure hole 42, the fabric damage caused by the fact that the fabric is sucked into the negative pressure hole 42 through the negative pressure hole 42 is avoided, after spraying is finished, the hemisphere 53 completely extends out of the negative pressure hole 42 to push the fabric upwards, the fabric is separated from the end part of the negative pressure hole 42, and the fabric damage caused by the fact that sticky substances in finishing liquid adsorb at the end part of the negative pressure hole 42 and convey the fabric forwards is avoided.
Further, the extension rod 54 is preferably a cylinder or an oil cylinder.
Referring to fig. 5, further, the spraying assembly 6 further includes a liquid storage cavity 62, the liquid storage cavity 62 is fixed on one side of the lower surface of the linkage plate 9, a plurality of nozzles 63 are arranged at the bottom of the liquid storage cavity 62, the nozzles 63 are arranged facing the negative pressure cavity 4, one side of the liquid storage cavity 62 is connected with the circulating pump 61 through a hose 64, the hose 64 is preferably a telescopic hose in the prior art, and may be a hose in other prior art. The finishing liquid in the infiltration tank 1 is pumped into the liquid storage cavity 62 by the circulating pump 61 and is sprayed out through the spray head 63 below the liquid storage cavity 62, so that the finishing liquid is sprayed on the surface of the fabric above the negative pressure cavity 4.
Referring to fig. 6, further, the water filtering assembly 7 includes a water filtering plate 71, a water filtering hole 72 is formed in the water filtering plate 71, a second round corner 73 is formed above the water filtering hole 72, a blowing cavity 74 is formed in the bottom of the water filtering plate 71, one side of the blowing cavity 74 is connected with one side of the negative pressure machine 44 through an air pipe, redundant finishing liquid on the fabric is guided into the soaking pool 1 through the water filtering hole 72 on the water filtering plate 71, air is blown to the blowing cavity 74 through one end of the negative pressure machine 44, air is blown upwards from the water filtering hole 72, and the surface water removal is performed on the fabric through the air drying assembly 8 above the water filtering assembly 7.
Preferably, the blowing chamber 74 is blown upward with a weak blow to prevent the fabric from blowing loose.
Referring to fig. 5, further, the air drying assembly 8 comprises an air blowing cavity 81, the air blowing cavity 81 is located on the other side of the lower surface of the linkage plate 9, an electric heating fan 82 is arranged on one side of the air blowing cavity 81, a plurality of air blowing ports 83 are formed in the lower surface of the air blowing cavity 81, the air blowing ports 83 are arranged towards the water filtering assembly 7, hot air is blown out of the fabric below the electric heating fan 82 through the air blowing cavity 81 and the air blowing ports 83 in a matched mode, drying is conducted, moisture on the surface of the fabric is volatilized quickly, and the situation that the fabric is conveyed out of the device and contains a large amount of moisture is avoided, and processing environment pollution is caused.
When the fabric soakage processing device is used, the fabric is processed along the length direction of the fabric section by section, firstly, the starting end of the fabric passes through the fabric soakage processing device and then is wound in a winding roller of the winding device, so that the fabric can move in the fabric soakage processing device; the material may be wound in a winding manner in the feed roller, the winding roller winding while the feed roller unwinding.
The fabric is guided into the spray-dipping mechanism 2 through the conveying roller shaft 12, and under the action of the press roller 10, the fabric is conveyed flatly above the negative pressure cavity 4 in the spray-dipping mechanism 2.
In a shutdown state (namely the winding roller and the conveying roller shaft 12 stop moving), spraying and soaking a section of fabric (namely a first section of fabric) on the negative pressure cavity 4; the spray dipping treatment specifically comprises the following steps: the circulating pump 61 pumps the finishing liquid in the infiltration tank 1 into the liquid storage cavity 62 and sprays the finishing liquid out through the spray head 63 below the liquid storage cavity 62, so that the finishing liquid is sprayed on the surface of the fabric above the negative pressure cavity 4, then the negative pressure machine 44 is used for carrying out air draft treatment on the negative pressure cavity 4, negative pressure is formed inside the negative pressure cavity 4, then when the fabric is located above the supporting plate 41, the spraying assembly 6 sprays the finishing liquid on the fabric, and meanwhile, under the negative pressure inside the negative pressure cavity 4, the negative pressure holes 42 generate suction on the fabric, so that the finishing liquid infiltration effect on the fabric is better. After the fabric is sprayed and soaked for a period of time, the spraying assembly 6 stops working, the fabric is separated from the supporting plate 41 by the stripping assembly 5 in the negative pressure cavity 4, the ejector rod 52 arranged on the upper surface of the movable plate 51 is utilized, when the fabric is sprayed and soaked, the telescopic rod 54 is contracted to drive the movable plate 51 to move upwards, so that the ejector rod 52 and the hemisphere 53 at the end part of the ejector rod are positioned at the first fillet 43 of the negative pressure hole 42, the fabric is prevented from being sucked into the negative pressure hole 42 due to the negative pressure hole 42 to cause fabric damage, after spraying is finished, the hemisphere 53 completely extends out of the negative pressure hole 42 to jack the fabric upwards, the fabric is separated from the end part of the negative pressure hole 42, and the fabric damage caused by the fact that sticky substances in finishing liquid adsorb the fabric at the end part of the negative pressure hole 42 and convey the fabric forwards is avoided. After the spraying and soaking treatment is finished, the fabric is separated from the supporting plate 41, the conveying roller shaft 12 is matched with the rotation of a winding roller in the winding device, and the guide roller 11 is matched to convey the fabric into the soaking pool 1 until the next section of fabric completely covers the upper part of the negative pressure cavity 4; stopping the machine again, and carrying out spray-dipping treatment on the next section of fabric.
When the fabric subjected to spray-dipping treatment is conveyed into the dipping tank 1 from the negative pressure cavity 4 for dipping, because the length of the soaked fabric is equal to the length of the fabric treated by the spray-dipping mechanism 2, when one section of the fabric is subjected to spray-dipping treatment, the other section of the fabric subjected to spray-dipping treatment is in a soaking state.
When the soaked fabric is conveyed to the dewatering mechanism 3, removing redundant moisture on the surface of the fabric, guiding redundant finishing liquid on the fabric into the soaking tank 1 by utilizing the water filtering holes 72 on the water filtering plate 71, blowing air to the air blowing cavity 74 through the air blowing end of the negative pressure machine 44, further blowing air upwards from the water filtering holes 72, performing surface dewatering on the fabric by matching with the air drying component 8 above the water filtering component 7, and preventing the fabric from being blown away by adopting weak air blowing upwards from the air blowing cavity 74; in the air-drying component 8, utilize electric fan 82 to blow the face fabric of mouth 83 to its below through the cooperation of blowing of blast air cavity 81 and weather the processing, make face fabric surface moisture volatilize fast, prevent that the face fabric from transmitting out of the device, carry a large amount of finishing liquid, lead to the waste and the processing environmental pollution of finishing liquid, then the face fabric spouts soaks mechanism 2 and soaks pond 1 and process the face fabric of back simultaneously when carrying out the air-dry surface, save the time that the face fabric soaks the finishing liquid, the face fabric accomplishes the surface and air-dries the back, carry roller 12, the winding roll continues work, carry out the face fabric soaks the processing apparatus with this section of face fabric, accomplish the processing that a section of face fabric soaks the finishing liquid.
The invention has the advantages that: the fabric is sprayed and soaked by the spraying and soaking mechanism 2, so that the fabric is soaked by the finishing liquid, then the fabric after the spraying and soaking treatment is soaked by the soaking pool 1, so that the fabric is completely soaked by the finishing liquid, then the completely soaked fabric is subjected to liquid removal and air drying treatment by the dewatering mechanism 3, so that the moisture on the surface of the soaked fabric is removed, and the spraying and soaking mechanism 2 and the soaking pool 1 simultaneously process the following fabric while the surface of the fabric is air-dried, so that the time for the fabric to soak the finishing liquid is saved.
Further, the finishing liquid in the infiltration tank 1 is pumped into the liquid storage cavity 62 through the circulating pump 61 and is sprayed out through the spray head 63 below the liquid storage cavity 62, so that the finishing liquid is sprayed on the surface of the fabric above the negative pressure cavity 4, the negative pressure machine 44 is used for conducting air draft treatment on the negative pressure cavity 4, negative pressure is formed inside the negative pressure cavity 4, then when the fabric is located above the supporting plate 41, the spraying assembly 6 sprays the finishing liquid on the fabric, and meanwhile, under the negative pressure inside the negative pressure cavity 4, the negative pressure holes 42 generate suction force on the fabric, so that the soaking effect of the finishing liquid on the fabric is better.
Further, through the ejector pin 52 that the upper surface of the movable plate 51 set up, when the surface fabric sprays and soaks the processing, the telescopic link 54 contracts, drive the movable plate 51 rebound, make the hemisphere 53 of ejector pin 52 and tip be located the first fillet 43 department of negative pressure hole 42, avoid causing the surface fabric damage because of negative pressure hole 42 inhales the surface fabric in the negative pressure hole 42, and after spraying, hemisphere 53 stretches out the negative pressure hole 42 completely and upwards pushes up the surface fabric, make the surface fabric break away from the negative pressure hole tip, avoid adsorbing the surface fabric at the negative pressure hole 42 tip because of the gluing material in the finishing liquid, when carrying forward, cause the surface fabric damage.
Further, the fabric is soaked through the soaking tank 1, the spraying and soaking mechanism 2 is used for spraying and soaking the next section of fabric, the fabric is guided into the soaking tank under the action of the two guide rollers 11 by utilizing the time, the soaking treatment is carried out on the fabric after the spraying and soaking treatment, the soaking tank 1 is positioned between the spraying and soaking mechanism 2 and the dewatering mechanism 3, the fabric after each spraying and soaking treatment can be completely soaked under the finishing liquid level in the soaking tank 1, and the surface of the fabric, which is attached to the support plate 41, is effectively soaked, so that the fabric soaking and finishing liquid has a better effect.
Further, the redundant finishing liquid on the fabric is guided into the soaking pool 1 through the water filtering holes 72 on the water filtering plate 71, the air is blown to the air blowing cavity 74 through the negative pressure machine 44, and then the air is blown upwards from the water filtering holes 72, the air blowing cavity 74 is blown upwards by weak air, the fabric is prevented from being blown away, the electric heating fan 82 is matched with the air blowing port through the air blowing cavity 81 to blow the fabric below the air blowing cavity, the moisture on the surface of the fabric is volatilized quickly, and when the fabric is prevented from being transmitted out of the fabric soaking device, a large amount of finishing liquid is carried, so that the waste of the finishing liquid and the pollution to the processing environment are caused.
Test examples
The fabrics prepared in examples 1-7 and comparative examples 1-2 were tested for antibacterial and anti-mite performance.
(1) The antibacterial performance detection is carried out according to the evaluation method of AATCC 100-;
(2) the anti-mite performance is carried out by reference to the FZ/T62012-2009 bed clothes anti-mite detection standard, and the test result is shown in the table 2;
TABLE 1
TABLE 2
From the test results in tables 1 and 2, the fabric prepared by the process has excellent mite-resistant and degerming effects.
In the examples 1, 2 and 3, the anti-mite and bacteriostatic post-treatment of the fabrics is completely the same, the difference is only that the fiber compositions are different, and the data in the tables 1 and 2 show that the brand new fabrics have good anti-mite and degerming effects. After the fabric is washed for many times, the anti-mite and degerming effects produced by post-treatment are no longer obvious, and the anti-mite and degerming functions of the fabric are determined by fibers forming the fabric. Because the cotton fiber is poor in mold resistance, vinylon is not easy to mildew and is high in moisture absorption, and the bamboo pulp fiber has good natural bacteriostasis and moisture absorption, after 30 times of washing, the differences of the anti-mite and bacterium removing effects are large, the effect is the worst in the embodiment 1, after 30 times of washing, the anti-mite and bacterium removing effects are slightly better than those in the embodiment 1 because 50% of vinylon is mixed in the embodiment 2, and after 30 times of washing, the anti-mite and bacterium removing effects are obvious because of the embodiment 1 because 50% of bamboo pulp fiber is mixed in the embodiment 3.
In example 4, the mixed fiber of 40% cotton fiber, 30% vinylon and 30% bamboo pulp fiber was used as the raw material of the fabric, and after 30 times of washing, the anti-mite and antibacterial effects were also better than those of example 1, but slightly worse than that of example 3.
In example 5, the mixed fiber formed by 25% of cotton fiber, 20% of kapok fiber, 5% of vinylon, 20% of bamboo pulp fiber, 20% of wormwood fiber and 10% of soybean protein fiber is used as the raw material of the fabric, and after 30 times of washing, the anti-mite and sterilization effects are also obviously better than those of example 1.
Compared with example 4 and example 7 with example 5, the fabric composition is the same, the content of each component in the finishing liquid is different, the content of each component in the finishing liquid in example 4 and example 5 is the same as that in example 1, and the content of the effective component for resisting mites and inhibiting bacteria in example 1 is the highest, so that the anti-mite and inhibiting bacteria of the brand-new fabric prepared in example 6 is slightly worse than that in example 4, and the anti-mite and inhibiting bacteria of the brand-new fabric prepared in example 7 is slightly worse than that in example 5, but after multiple times of washing, the difference between the antibacterial rate and the anti-mite rate is not obvious.
Therefore, the fabric prepared by using the fiber with natural anti-mite and antibacterial effects as the raw material has good anti-mite and antibacterial effects and durability.
Compared with the example 1, in the comparative example 1, when the anti-mite and bacteriostatic finishing liquid is prepared, the anti-bacterial rate and the anti-mite rate of the brand-new fabric are reduced compared with the example 1 without adding carboxymethyl chitosan, but the anti-bacterial rate and the anti-mite rate of the fabric after being washed for multiple times are not greatly different from those of the example 1 because the fabric is the same as the fiber used in the example 1.
Compared with the example 1, when the fabric is subjected to the anti-mite and anti-bacteria post-treatment in the comparative example 2, the spray soaking treatment is not carried out, the soaking treatment is directly carried out, the treatment time is the same as the total time of the spray soaking treatment and the soaking treatment in the example 1, and the fabric is not fully penetrated by the finishing liquid due to the short soaking treatment time, so that the antibacterial rate and the anti-mite rate of the prepared brand new fabric are reduced as in the example 1, but the antibacterial rate and the anti-mite rate of the fabric are smaller than those in the example 1 after the fabric is washed for multiple times because the fiber used by the fabric is the same as that in the example 1.
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 (9)
1. The preparation process of the anti-mite and bacteriostatic fabric is characterized by comprising the following steps of:
(1) spinning the fibers into yarns;
(2) weaving the yarn into a fabric;
(3) carrying out post-treatment on the fabric by using an anti-mite and bacteriostatic finishing liquid to obtain an anti-mite and bacteriostatic fabric;
the anti-mite and bacteriostatic finishing liquid is used for post-treating the fabric, and the method specifically comprises the following steps:
1) carrying out spray-dipping treatment on the fabric by using an anti-mite and bacteriostatic finishing liquid;
2) soaking the sprayed and soaked fabric by using an anti-mite and bacteriostatic finishing liquid to complete the soaking of the fabric;
3) and (4) carrying out liquid removal and blow-drying treatment on the soaked fabric.
2. The process for preparing the anti-mite bacteriostatic fabric according to claim 1, wherein the fibers comprise natural plant fibers.
3. The process for preparing the anti-mite bacteriostatic fabric according to claim 2, wherein the fibers further comprise chemical fibers.
4. The preparation process of the anti-mite and bacteriostatic fabric according to claim 2 or 3, wherein the natural plant fibers comprise at least one of cotton fibers and kapok fibers.
5. The process for preparing the anti-mite and bacteriostatic fabric according to claim 3, wherein the chemical fibers comprise at least one of synthetic fibers and regenerated fibers.
6. The process for preparing the anti-mite and bacteriostatic fabric according to claim 5, wherein the synthetic fibers comprise vinylon.
7. The process for preparing the anti-mite and bacteriostatic fabric according to claim 5, wherein the regenerated fibers comprise at least one of regenerated plant cellulose fibers and regenerated plant protein fibers;
the regenerated plant cellulose fiber comprises at least one of bamboo pulp fiber and wormwood fiber;
the regenerated vegetable protein fiber comprises soy protein fiber.
8. The preparation process of the anti-mite and bacteriostatic fabric according to claim 1, wherein the anti-mite and bacteriostatic finishing liquid comprises the following components in parts by weight: 5-10 parts of carboxymethyl chitosan, 3-5 parts of matrine, 1-2 parts of 2-methyl-4-isothiazoline-3-ketone, 500 parts of pure water, 0.1-0.5 part of emulsifier, 0.1-0.5 part of silane coupling agent and 0.05-0.1 part of sodium alginate;
the preparation steps are as follows:
1) weighing the raw materials according to the proportion;
2) adding sodium alginate and carboxymethyl chitosan into pure water, and stirring to obtain a transparent and viscous solution;
3) adding matrine into the transparent and viscous solution, and stirring to completely dissolve to obtain a mixed solution;
4) adding 2-methyl-4-isothiazoline-3-ketone, an emulsifier and a silane coupling agent into the mixed solution, and stirring until the mixture is uniformly dispersed to prepare the anti-mite and bacteriostatic finishing liquid.
9. The preparation process of the anti-mite and bacteriostatic fabric according to claim 1, characterized in that a fabric soaking treatment device is adopted to carry out anti-mite and bacteriostatic post-treatment on the fabric, and comprises a soaking tank (1); a spraying and soaking mechanism (2) is arranged at the top end of one side of the soaking tank (1), and a dewatering mechanism (3) is arranged at the top end of the other side of the soaking tank (1);
the spraying and soaking mechanism (2) comprises a negative pressure cavity (4);
the negative pressure cavity (4) comprises a stripping component (5), the stripping component (5) is positioned above the negative pressure cavity (4), and the stripping component (5) is used for stripping the fabric from the negative pressure cavity (4) after the fabric is sprayed and soaked;
the spraying and soaking mechanism (2) further comprises a spraying component (6), the spraying component (6) is positioned right above the negative pressure cavity (4), and one side of the spraying component (6) is connected with the soaking pool (1) through a circulating pump (61);
the dewatering mechanism (3) comprises a water filtering component (7), an air drying component (8) is arranged right above the water filtering component (7), and the air drying component (8) is used for dewatering the soaked fabric;
and the pressing rollers (10) are arranged on two side edges above the negative pressure cavity (4) and the water filtering component (7), and the pressing rollers (10) are used for conveying the fabric smoothly above the negative pressure cavity (4) and the water filtering component (7).
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