CN110747629A - Preparation method of waterproof, dustproof and mothproof wool fabric - Google Patents

Preparation method of waterproof, dustproof and mothproof wool fabric Download PDF

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Publication number
CN110747629A
CN110747629A CN201910903090.8A CN201910903090A CN110747629A CN 110747629 A CN110747629 A CN 110747629A CN 201910903090 A CN201910903090 A CN 201910903090A CN 110747629 A CN110747629 A CN 110747629A
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wool
treatment
fibers
fabric
wool fibers
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吴栋标
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JIANGYIN XINGWU WOOL FABRIC TECHNOLOGY Co Ltd
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JIANGYIN XINGWU WOOL FABRIC TECHNOLOGY Co Ltd
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    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
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Abstract

The invention discloses a preparation method of waterproof, dustproof and mothproof wool fabric, which comprises the following steps: (1) fiber washing treatment; (2) fiber H2O2Pre-treating; (3) protease treatment of the fiber; (4) treatment of the fibers with dichloroisocyanuric acid; (5) dechlorinating the fiber; (6) fiber wetting, carding and wool mixing treatment; (7) carding, spinning and weaving; (8) performing moth-proofing treatment on the fabric; (9) and (3) performing water and oil proofing treatment on the fabric. The invention provides a preparation method of a wool fabric which is good in waterproof, dustproof and mothproof effects, soft in hand feeling and comfortable to wear.

Description

Preparation method of waterproof, dustproof and mothproof wool fabric
Technical Field
The invention relates to the technical field of wool fabric preparation methods, in particular to a preparation method of a waterproof, dustproof and mothproof wool fabric.
Background
The wool fiber has the advantages of good elasticity, strong hygroscopicity, good heat retention property and the like, is widely applied to textile raw materials, plays an increasingly important role in textile processing, has the characteristics of plump texture, smooth hand feeling, good drapability, noble, light and comfortable wearing and the like, and is popular with consumers all the time. Along with the development of society, the living standard of people is gradually improved, the consumption habit is gradually changed, and some performance requirements of consumers on traditional wool clothes are higher and higher, and the wool clothes are expected to be endowed with cashmere-like soft and fine handfeel, and have the water resistance, oil resistance and easy cleaning of synthetic fiber fabrics, and have good mothproof performance. In the prior art, a waterproof auxiliary agent and a moth-proofing auxiliary agent are generally added in the post-finishing process to enable the fabric to have waterproof and moth-proofing effects.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the preparation method of the wool fabric, which has good waterproof, dustproof and mothproof effects, soft hand feeling and comfortable wearing.
In order to achieve the purpose, the technical scheme of the invention is to design a preparation method of a waterproof, dustproof and mothproof wool fabric, which comprises the following steps:
(1) fiber washing treatment: weighing wool fibers, measuring washing water according to a bath ratio of 1: 20-1: 25, adding a detergent (detergent 209) with the concentration of 2-5 g/L, and adding Na2CO3Adjusting the pH value to 7-8, and heating to 30-35 ℃ to treat the wool fibers for 20-30 min; and after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80-85 ℃. Because of the existence of the grease on the surface of the wool fiber, the wool needs to be washed firstly so as to remove the micromolecular impurities among scales and the grease and natural impurities on the surface of the fiber, thereby creating good conditions for subsequent treatment. The detergent used was a commercial detergent 209.
(2) Fiber H2O2Pretreatment: weighing the washed and dried wool fibers, measuring clear water according to a bath ratio of 1: 30-35, and adding 30% by mass of H2O2So that H is2O2The volume concentration of the treatment liquid is 40ml/L, the sodium pyrophosphate is 6.0g/L, and the sodium oxalate is 3g/L, heating to 80 ℃ to treat the wool fibers for 45-60 min; and after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80-85 ℃.
In the fiber pretreatment, the wool fibers are subjected to protease treatment, the protease molecules are large and are not easy to enter the interior of a wool fiber scale layer, an outermost layer of the wool fiber surface is called a scale surface layer, and the action of the enzyme and the surface layer is very slow and uneven, so that the scales are required to be treated to be loose, expanded and softened. The pretreatment agent comprises a reducing agent, a chlorinating agent, an oxidizing agent and the like, wherein the oxidation of the wool protein by the hydrogen peroxide is relatively mild, and the wool fiber is pretreated by the hydrogen peroxide without pollution. The oxydol oxidation treatment is mainly concentrated on the part of the sulfur-containing amino acid residue, namely mainly occurs outside the scale layer rich in cystine, so that the cystine is promoted to be converted into cysteine as much as possible, and the subsequent enzyme treatment is uniform and effective.
(3) Protease treatment of the fiber: weighing the warp H2O2Pretreating the dried wool fibers, measuring clear water according to a bath ratio of 1:25, adding protease with the mass fraction of 3-5%, adjusting the pH value to 7-8 by using ammonia water, and heating to 45 ℃ to treat the wool fibers for 15-20 min; and after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80-85 ℃.
The scales on the surface of the wool fiber are protein and contain a large amount of cystine, and the scales are properly treated by biological enzyme, so that the structure of the scales on the surface of the fiber is changed or part of the scales fall off under the condition that the strength loss of the wool fiber is as small as possible, the surface friction factor of the wool fiber is increased, and the cohesion performance of the wool among the fibers in the spinning process is improved.
(4) Treatment of fibers with dichloroisocyanuric acid: weighing the wool fibers after being treated and dried by the protease, measuring clear water according to a bath ratio of 1:25, adding 0.1-0.4% of dichloroisocyanuric acid by mass fraction, adjusting the p H value to 4-5 by using acetic acid, and heating to 28-30 ℃ to treat the wool fibers for 30-40 min; and after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80-85 ℃.
DCCA (dichloroisocyanuric acid) is widely applied to shrink-proof treatment in wool spinning at present, and can slowly release effective chlorine to oxidize disulfide bonds in cysteine in a scale layer, so that scales are softened, and the goal of shrink-proof is achieved. The DCCA chlorinating agent with a lower mass fraction is selected to perform chlorination treatment on the wool fibers so as to achieve partial change of the surface morphology of the wool fibers and increase the cohesive force among the fibers.
(5) Dechlorination treatment of fibers: weighing the wool fiber after being treated and dried by dichloroisocyanuric acid, measuring clear water according to a bath ratio of 1:25, and adding NaHSO3Heating the wool fibers to the concentration of 2-3 g/L to 40-45 ℃ for 5-10 min; and after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80-85 ℃.
After DCCA treatment, a certain amount of organic halide AOX is released to pollute the environment, and meanwhile, dechlorination treatment can also prevent the fibers from yellowing, so the fibers must be dechlorinated after DCCA treatment.
(6) Fiber wetting, carding and wool processing: spraying clear water into the wool fibers, fully wetting the wool fibers, standing for 1 day in a closed manner; combing the wool fiber, and adding wool-blending oil; firstly, 50% of wool fibers and wool blending oil are mixed through a wool blending machine, the wool blending oil is added after mixing, the wool blending oil is mixed with the rest of the wool fibers and the wool after being subjected to wool stuffiness for 6 hours, the rest of the wool blending oil and the wool are added, the wool is subjected to wool stuffiness for 24 hours, and the total adding amount of the wool blending oil is 10-15 mL/m3。
(7) Carding, spinning and weaving: carding the wool fibers after the wool blending treatment by using a carding machine; spinning the spun yarn by using a spinning frame; the fabric pieces are woven with the spun yarn and sewn together.
(8) Performing moth-proofing treatment on the fabric: preparing vernonia esculenta mothproof finishing liquid, adopting a two-dipping two-rolling process, wherein the rolling liquid rate is 75-80%, stacking the fabrics at the temperature of 30-35 ℃ for 12-24 h, washing with water at the temperature of 60-65 ℃ for two times, and drying.
Vernonia esculenta has effects of promoting pigmentation, eliminating dampness, relieving swelling, dispelling cold, relieving pain, and expelling intestinal parasites. Component analysis of Vernonia esculenta extract shows that the Vernonia esculenta extract contains 7 flavones (eriodictyol, apigenin, butrin, isorhamnetin, sulfoluteolin, luteolin), 4 phenolic acids (caffeic acid, isorhamnetin, sulfoluteolin, etc.),A protocatechuic acid, 3,
Figure BDA0002212444450000031
5-dicaffeoylquinic acid methyl ester, 3, 4-dicaffeoylquinic acid methyl ester), 2 alkaloids (from acetylindole-3-carbaldehyde, 1-ethylindole-3-carboxylic acid) and 1 sterol (stigmasterol). The vernonia esculenta extract is added into the mothproof finishing liquid, so that the wool fabric has good mothproof effect and microorganism inhibition effect.
(9) And (3) carrying out water and oil proofing treatment on the fabric: washing the fabric with absolute ethyl alcohol and clear water in sequence, and drying the fabric at the temperature of 80-85 ℃ for later use; uniformly spraying a titanium dioxide modified hydrophobic agent on the surface of the fabric; the dosage of the titanium dioxide modified hydrophobic agent is 10-20 mL/m2(ii) a And (3) putting the sprayed fabric into an oven, and drying for 0.5-1 h at the temperature of 120-130 ℃.
The surface roughness of the fabric can be obviously improved by finishing the nano titanium dioxide particles on the surface of the fabric, and then the surface of the fabric is modified by using a low-surface-energy substance to reduce the surface free energy, so that the super-hydrophobic surface is obtained.
As a preferred technical scheme, the formula of the crude oil is as follows by mass percent: 65-80% of BSK and crude oil, 15-30% of castor oil polyoxyethylene ether, 2-5% of alkylphenol polyoxyethylene ether and 1-3% of succinate. Castor oil polyoxyethylene ether is the antistatic component.
The wool oil plays a role in lubricating during the carding process of the wool fibers. The wool-blending oil is prepared into aqueous solution with certain concentration, the aqueous solution of the wool-blending oil is uniformly sprayed on wool fibers by adopting an atomization device, and the aqueous solution of the wool-blending oil starts to be adsorbed and spread on the fibers and gradually forms an oil film state on the surfaces of the wool fibers. When the wool fibers with the oil film are carded, the oil film isolates the direct friction of the wool fibers with each other, also isolates the direct friction of the wool fibers and the metal needle plate, and also isolates the direct friction of the wool fibers and the leather plate to achieve a lubricating state.
According to the preferable technical scheme, the proportion of the wool oil and the water added into the wool fibers is 2: 1-3: 1.
As a preferred technical scheme, the vernonia esculenta mothproof finishing liquid is prepared from the following components in percentage by mass: 75-85% of a wool mothproofing agent and 15-25% of vernonia esculenta extracting solution; the method for extracting the vernonia esculenta extracting solution comprises the following steps: reflux-extracting Vernonia esculenta dry fruit with 80% ethanol for 3 times, mixing extractive solutions, concentrating under reduced pressure, uniformly dispersing with distilled water, defatting with petroleum ether, extracting with ethyl acetate, concentrating to obtain Vernonia esculenta extract, dispersing with distilled water, and mixing the dispersion with wool mothproofing agent. The wool mothproofing agent is permethrin mothproofing agent of Shanghai Tuona company, vernonia galamensis extract is added on the basis of the existing mothproofing agent, the mothproofing effect of the clothes is improved through the synergistic effect of mothproofing and mothproofing, and wool fabrics treated by the mothproofing agent cannot be washed by water and washed for many times to prevent the mothproofing effect from weakening in the washing process.
As a preferred technical scheme, the preparation method of the titanium dioxide modified hydrophobic agent comprises the following steps:
400mL of tetrahydrofuran, 0.1mL of hexadecyltrimethoxysilane, 10g of polydimethoxysilane and 2-10 g of silicon dioxide, and the above substances are uniformly stirred in a magnetic stirrer for 6 hours, and then 10g of polydimethoxysilane is added.
According to a preferable technical scheme, the particle size of the silicon dioxide is 10-100 nm.
The invention has the advantages and beneficial effects that: according to the invention, the wool fabric is subjected to moth-proof aftertreatment in a manner of two-dipping and two-rolling, and the vernonia galamensis extract is added on the basis of the traditional moth-proof agent, so that the wool fabric has a good moth-proof effect and the antibacterial effect is improved by more than 80%; the nano titanium dioxide water-proof and oil-proof treatment is carried out on the surface of the wool fabric in a spraying mode, so that the loss of the mothproofing agent in the washing process is reduced, and an even coating is formed on the surface of the fabric, so that the fabric is soft in hand feeling and excellent in water-proof effect.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
A preparation method of waterproof, dustproof and mothproof wool fabric comprises the following steps:
(1) fiber washing treatment: weighing wool fibers, measuring washing water according to a bath ratio of 1:20, adding a detergent (detergent 209) with a concentration of 2g/L, and adding Na2CO3Adjusting the pH value to 7-8, and heating to 30 ℃ to treat the wool fibers for 30 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(2) fiber H2O2Pretreatment: weighing the washed and dried wool fibers, measuring clear water according to a bath ratio of 1:30, and adding 30% by mass of H2O2So that H is2O2The volume concentration of the treatment liquid is 40ml/L, the sodium pyrophosphate is 6.0g/L, the sodium oxalate is 3g/L, and the wool fiber is treated by heating to 80 ℃ for 45 min; after the treatment is finished, washing the mixture by using clear water, and drying the mixture in an 80-degree drying oven;
(3) protease treatment of the fiber: weighing the warp H2O2Pretreating the dried wool fibers, measuring clear water according to a bath ratio of 1:25, adding protease with the mass fraction of 3%, adjusting the pH value to 7-8 by using ammonia water, and heating to 45 ℃ to treat the wool fibers for 20 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(4) treatment of fibers with dichloroisocyanuric acid: weighing the wool fibers after being treated and dried by the protease, measuring clear water according to a bath ratio of 1:25, adding 0.1% by mass of dichloroisocyanuric acid, adjusting the p H value to 4-5 by using acetic acid, and heating to 28-30 ℃ to treat the wool fibers for 30 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(5) dechlorination treatment of fibers: weighing the wool fiber after being treated and dried by dichloroisocyanuric acid, measuring clear water according to a bath ratio of 1:25, and adding NaHSO3Heating to a concentration of 2g/L to 40 deg.C for treating wool fiber for 10 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(6) fiber wetting, carding and wool processing: spraying clear water into the wool fibers, fully wetting the wool fibers, standing for 1 day in a closed manner; combing the wool fiber, and adding wool-blending oil; firstly 50% of wool fiber is mixed withMixing the crude oil with a wool blending machine, adding the wool blending oil again after mixing, mixing with the rest wool fiber and wool after 6h of wool sealing, adding the rest wool blending oil, sealing the wool for 24h, wherein the total addition amount of the wool blending oil is 10mL/m3(ii) a The blending ratio of the crude oil is 80 percent of BSK and crude oil, 15 percent of castor oil polyoxyethylene ether, 2 percent of alkylphenol polyoxyethylene ether and 3 percent of succinate; the wool fibers were added at a ratio of wool oil to water of 2: 1. BSK and crude oil are commercially available.
(7) Carding, spinning and weaving: carding the wool fibers after the wool blending treatment by using a carding machine; spinning the spun yarn by using a spinning frame; the fabric pieces are woven with the spun yarn and sewn together.
(8) And (3) moth-proofing treatment of the fabric: preparing vernonia esculenta mothproof finishing liquid, adopting a two-dipping two-rolling process, wherein the rolling liquid rate is 75%, stacking the fabrics at 30 ℃ for 24 hours, washing the fabrics twice at 60 ℃, and drying the fabrics; the formula of the vernonia galamensis mothproof finishing liquid comprises the following components in percentage by mass: 75% of wool mothproofing agent and 25% of vernonia galamensis extract; the method for extracting the vernonia esculenta extracting solution comprises the following steps: reflux-extracting Vernonia esculenta dry fruit with 80% ethanol for 3 times, mixing extractive solutions, concentrating under reduced pressure, uniformly dispersing with distilled water, defatting with petroleum ether, extracting with ethyl acetate, concentrating to obtain Vernonia esculenta extract, dispersing with distilled water, and mixing the dispersion with wool mothproofing agent.
(9) And (3) water and oil proofing treatment of the fabric: washing the fabric with absolute ethyl alcohol and clear water in sequence, and drying the fabric at the temperature of 80-85 ℃ for later use; uniformly spraying a titanium dioxide modified hydrophobic agent on the surface of the fabric; the dosage of the titanium dioxide modified hydrophobing agent is 10mL/m2(ii) a And (3) putting the sprayed fabric into an oven, and drying for 1h at 120 ℃. The preparation method of the titanium dioxide modified hydrophobic agent comprises the following steps: 400mL of tetrahydrofuran, 0.1mL of hexadecyltrimethoxysilane, 10g of polydimethoxysilane and 2g of silicon dioxide, wherein the substances are uniformly stirred for 6 hours in a magnetic stirrer, and 10g of polydimethoxysilane is added, and the particle size of the silicon dioxide is 10-100 nm.
Through detection, the bacteriostatic rate of the wool fabric on escherichia coli is 98.1%, and the bacteriostatic rate on staphylococcus aureus is 95.6%.
Example 2
A preparation method of waterproof, dustproof and mothproof wool fabric comprises the following steps:
(1) fiber washing treatment: weighing wool fibers, measuring washing water according to a bath ratio of 1:25, adding a detergent (detergent 209) with a concentration of 5g/L, and adding Na2CO3Adjusting the pH value to 7-8, and heating to 35 ℃ to treat the wool fibers for 20 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at 85 ℃;
(2) fiber H2O2Pretreatment: weighing the washed and dried wool fibers, measuring clear water according to a bath ratio of 1: 30-35, and adding 30% by mass of H2O2So that H is2O2The volume concentration of the treatment liquid is 40ml/L, the sodium pyrophosphate is 6.0g/L, the sodium oxalate is 3g/L, and the wool fiber is treated by heating to 80 ℃ for 60 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at 85 ℃;
(3) protease treatment of the fiber: weighing the warp H2O2Pretreating the dried wool fibers, measuring clear water according to a bath ratio of 1:25, adding protease with the mass fraction of 5%, adjusting the pH value to 7-8 by using ammonia water, and heating to 45 ℃ to treat the wool fibers for 20 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at 85 ℃;
(4) treatment of fibers with dichloroisocyanuric acid: weighing the wool fibers after being treated and dried by the protease, measuring clear water according to a bath ratio of 1:25, adding 0.4% of dichloroisocyanuric acid, adjusting the p H value to 4-5 by using acetic acid, and heating to 28-30 ℃ to treat the wool fibers for 40 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at 85 ℃;
(5) dechlorination treatment of fibers: weighing the wool fibers treated and dried by the dichloroisocyanuric acid, measuring clear water according to a bath ratio of 1:25, adding NaHSO3 to enable the concentration of the clear water to be 3g/L, and heating to 45 ℃ to treat the wool fibers for 5 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at 85 ℃;
(6) fiber wetting, carding and wool processing: spraying clear water into the wool fibers, fully wetting the wool fibers, standing for 1 day in a closed manner; combing the wool fiber, and adding wool-blending oil; firstly 50% of wool fiber is mixed withMixing the crude oil with a wool blending machine, adding the wool blending oil again after mixing, mixing with the rest wool fiber and wool after 6h of wool sealing, adding the rest wool blending oil, sealing the wool for 24h, wherein the total addition amount of the wool blending oil is 15mL/m3(ii) a The formula of the wool oil comprises the following components in percentage by mass: 80% of BSK and crude oil, 15% of castor oil polyoxyethylene ether, 3% of alkylphenol polyoxyethylene ether and 2% of succinate. The proportion of the wool oil and the water added into the wool fibers is 2: 1-3: 1.
(7) Carding, spinning and weaving: carding the wool fibers after the wool blending treatment by using a carding machine; spinning the spun yarn by using a spinning frame; weaving the spun yarn into garment pieces, and sewing the garment pieces;
(8) and (3) moth-proofing treatment of the fabric: preparing vernonia esculenta mothproof finishing liquid, adopting a two-dipping two-rolling process, wherein the rolling liquid rate is 80%, stacking the fabrics at 35 ℃ for 12 hours, washing the fabrics twice at 65 ℃, and drying the fabrics; the formula of the vernonia galamensis mothproof finishing liquid comprises the following components in percentage by mass: 85% of wool mothproofing agent and 15% of vernonia esculenta extract; the method for extracting the vernonia esculenta extracting solution comprises the following steps: reflux-extracting Vernonia esculenta dry fruit with 80% ethanol for 3 times, mixing extractive solutions, concentrating under reduced pressure, uniformly dispersing with distilled water, defatting with petroleum ether, extracting with ethyl acetate, concentrating to obtain Vernonia esculenta extract, dispersing with distilled water, and mixing the dispersion with wool mothproofing agent.
(9) And (3) water and oil proofing treatment of the fabric: washing the fabric with absolute ethyl alcohol and clear water in sequence, and drying the fabric at 85 ℃ for later use; uniformly spraying a titanium dioxide modified hydrophobic agent on the surface of the fabric; the dosage of the titanium dioxide modified hydrophobing agent is 20mL/m2(ii) a And (3) putting the sprayed fabric into an oven, and drying for 0.5-1 h at 130 ℃. The preparation method of the titanium dioxide modified hydrophobic agent comprises the following steps: 400mL of tetrahydrofuran, 0.1mL of hexadecyltrimethoxysilane, 10g of polydimethoxysilane and 2-10 g of silicon dioxide, and the above substances are uniformly stirred in a magnetic stirrer for 6 hours, and then 10g of polydimethoxysilane is added. The particle size of the silicon dioxide is 50 nm.
Through detection, the bacteriostatic rate of the wool fabric on escherichia coli is 87%, and the bacteriostatic rate on staphylococcus aureus is 82.7%.
Example 3
A preparation method of waterproof, dustproof and mothproof wool fabric comprises the following steps:
(1) fiber washing treatment: weighing wool fibers, measuring washing water according to a bath ratio of 1:25, adding a detergent with the concentration of 3g/L, and adding Na2CO3Adjusting the pH value to 7-8, and heating to 30 ℃ to treat the wool fibers for 25 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(2) fiber H2O2Pretreatment: weighing the washed and dried wool fibers, measuring clear water according to a bath ratio of 1:30, and adding 30% by mass of H2O2So that H is2O2The volume concentration of the treatment liquid is 40ml/L, the sodium pyrophosphate is 6.0g/L, the sodium oxalate is 3g/L, and the wool fiber is treated by heating to 80 ℃ for 50 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(3) protease treatment of the fiber: weighing the warp H2O2Pretreating the dried wool fibers, measuring clear water according to a bath ratio of 1:25, adding 4% protease by mass, adjusting the pH value to 7-8 by using ammonia water, and heating to 45 ℃ to treat the wool fibers for 20 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(4) treatment of fibers with dichloroisocyanuric acid: weighing the wool fibers after being treated and dried by the protease, measuring clear water according to a bath ratio of 1:25, adding 0.3% of dichloroisocyanuric acid, adjusting the p H value to 4-5 by using acetic acid, and heating to 28 ℃ to treat the wool fibers for 30 min; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(5) dechlorination treatment of fibers: weighing the wool fiber after being treated and dried by dichloroisocyanuric acid, measuring clear water according to a bath ratio of 1:25, and adding NaHSO3Heating to 40 deg.C to treat wool fiber for 10min to make its concentration be 3 g/L; after the treatment is finished, washing the mixture with clear water, and drying the mixture in an oven at the temperature of 80 ℃;
(6) fiber wetting, carding and wool processing: spraying clear water into the wool fibers, fully wetting the wool fibers, standing for 1 day in a closed manner; combing the wool fiber, and adding wool-blending oil; firstly 50% of wool fiber is communicated with wool oilMixing with wool blending machine, adding wool blending oil again after mixing, mixing with the rest wool fiber and wool after 6h of wool stuffing, adding the rest wool blending oil and wool stuffing for 24h, wherein the total addition amount of the wool blending oil is 15mL/m3(ii) a The formula of the wool oil comprises the following components in percentage by mass: 70% of BSK and crude oil, 22% of castor oil polyoxyethylene ether, 5% of alkylphenol polyoxyethylene ether and 3% of succinate. The wool fibers were added at a ratio of wool oil to water of 3: 1.
(7) Carding, spinning and weaving: carding the wool fibers after the wool blending treatment by using a carding machine; spinning the spun yarn by using a spinning frame; weaving the spun yarn into garment pieces, and sewing the garment pieces;
(8) and (3) moth-proofing treatment of the fabric: preparing vernonia esculenta mothproof finishing liquid, adopting a two-dipping two-rolling process, wherein the rolling liquid rate is 80%, stacking the fabrics at the temperature of 30 ℃ for 18h, washing the fabrics twice at the temperature of 60 ℃, and drying the fabrics; the formula of the vernonia galamensis mothproof finishing liquid comprises the following components in percentage by mass: 80% of wool mothproofing agent and 20% of vernonia esculenta extract; the method for extracting the vernonia esculenta extracting solution comprises the following steps: reflux-extracting Vernonia esculenta dry fruit with 80% ethanol for 3 times, mixing extractive solutions, concentrating under reduced pressure, uniformly dispersing with distilled water, defatting with petroleum ether, extracting with ethyl acetate, concentrating to obtain Vernonia esculenta extract, dispersing with distilled water, and mixing the dispersion with wool mothproofing agent.
(9) And (3) water and oil proofing treatment of the fabric: washing the fabric with absolute ethyl alcohol and clear water in sequence, and drying the fabric at 80 ℃ for later use; uniformly spraying a titanium dioxide modified hydrophobic agent on the surface of the fabric; the dosage of the titanium dioxide modified hydrophobic agent is 15mL/m2(ii) a And (3) putting the sprayed fabric into an oven, and drying for 1h at 120 ℃. The preparation method of the titanium dioxide modified hydrophobic agent comprises the following steps: 400mL of tetrahydrofuran, 0.1mL of hexadecyltrimethoxysilane, 10g of polydimethoxysilane and 8g of silica were stirred in a magnetic stirrer for 6 hours, and 10g of polydimethoxysilane was added. The particle size of the silicon dioxide is 100 nm.
Through detection, the bacteriostatic rate of the wool fabric to escherichia coli is 94.5%, and the bacteriostatic rate to staphylococcus aureus is 93.2%.
Example 4
The difference between example 4 and example 3 is that:
and (3) moth-proofing treatment of the fabric: preparing vernonia esculenta mothproof finishing liquid, adopting a two-dipping two-rolling process, wherein the rolling liquid rate is 80%, stacking the fabrics for 24 hours at the temperature of 35 ℃, washing the fabrics twice at the temperature of 65 ℃, and drying the fabrics; the formula of the vernonia galamensis mothproof finishing liquid comprises the following components in percentage by mass: 78% of a wool mothproofing agent and 22% of vernonia esculenta extracting solution; the method for extracting the vernonia esculenta extracting solution comprises the following steps: reflux-extracting Vernonia esculenta dry fruit with 80% ethanol for 3 times, mixing extractive solutions, concentrating under reduced pressure, uniformly dispersing with distilled water, defatting with petroleum ether, extracting with ethyl acetate, concentrating to obtain Vernonia esculenta extract, dispersing with distilled water, and mixing the dispersion with wool mothproofing agent.
And (3) water and oil proofing treatment of the fabric: washing the fabric with absolute ethyl alcohol and clear water in sequence, and drying the fabric at 80 ℃ for later use; uniformly spraying a titanium dioxide modified hydrophobic agent on the surface of the fabric; the dosage of the titanium dioxide modified hydrophobing agent is 12mL/m2(ii) a And (3) putting the sprayed fabric into an oven, and drying for 1h at 120 ℃. The preparation method of the titanium dioxide modified hydrophobic agent comprises the following steps: 400mL of tetrahydrofuran, 0.1mL of hexadecyltrimethoxysilane, 10g of polydimethoxysilane and 6g of silica were stirred in a magnetic stirrer for 6 hours, and 10g of polydimethoxysilane was added. The particle size of the silicon dioxide is 80-100 nm.
Through detection, the bacteriostatic rate of the wool fabric on escherichia coli is 95%, and the bacteriostatic rate on staphylococcus aureus is 93.6%.
Through detection, the wool fabrics in the embodiments 1 to 4 are qualified in mothproof detection and meet the standard of the textile industry.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A preparation method of waterproof, dustproof and mothproof wool fabric is characterized by comprising the following steps:
(1) fiber washing treatment: weighing wool fibers, measuring washing water according to a bath ratio of 1: 20-1: 25, adding a detergent with the concentration of 2-5 g/L, and adding Na2CO3Adjusting the pH value to 7-8, and heating to 30-35 ℃ to treat the wool fibers for 20-30 min; after the treatment is finished, washing the wool fibers with clear water, and drying the wool fibers in an oven at the temperature of 80-85 ℃;
(2) fiber H2O2Pretreatment: weighing the washed and dried wool fibers, measuring clear water according to a bath ratio of 1: 30-35, and adding 30% by mass of H2O2So that H is2O2The volume concentration of the treatment liquid is 40mL/L, the sodium pyrophosphate is 6.0g/L, and the sodium oxalate is 3g/L, and the wool fibers are treated for 45-60 min by heating to 80 ℃; after the treatment is finished, washing the wool fibers with clear water, and drying the wool fibers in an oven at the temperature of 80-85 ℃;
(3) protease treatment of the fiber: weighing the warp H2O2Pretreating the dried wool fibers, measuring clear water according to a bath ratio of 1:25, adding protease with the mass fraction of 3-5%, adjusting the pH value to 7-8 by using ammonia water, and heating to 45 ℃ to treat the wool fibers for 15-20 min; after the treatment is finished, washing the wool fibers with clear water, and drying the wool fibers in an oven at the temperature of 80-85 ℃;
(4) treatment of fibers with dichloroisocyanuric acid: weighing the wool fibers after being treated and dried by the protease, measuring clear water according to a bath ratio of 1:25, adding 0.1-0.4% of dichloroisocyanuric acid by mass fraction, adjusting the pH value to 4-5 by using acetic acid, and heating to 28-30 ℃ to treat the wool fibers for 30-40 min; after the treatment is finished, washing the wool fibers with clear water, and drying the wool fibers in an oven at the temperature of 80-85 ℃;
(5) dechlorination treatment of fibers: weighing the wool fiber after being treated and dried by dichloroisocyanuric acid, measuring clear water according to a bath ratio of 1:25, and adding NaHSO3Heating the wool fibers to the concentration of 2-3 g/L to 40-45 ℃ for 5-10 min; after the treatment is finished, washing the wool fibers with clear water, and drying the wool fibers in an oven at the temperature of 80-85 ℃;
(6) fiber wetting, carding and wool processing: spraying clear water into the wool fibers, fully wetting the wool fibers, standing for 1 day in a closed manner; combing the wool fiber, and adding wool-blending oil; firstly, useMixing 50% of wool fibers and wool blending oil through a wool blending machine, adding the wool blending oil again after mixing, mixing the wool blending oil with the rest of the wool fibers and the wool after 6h of wool sealing, adding the rest of the wool blending oil, sealing the wool for 24h, wherein the total addition amount of the wool blending oil is 10-15 mL/m3；
(7) Carding, spinning and weaving: carding the wool fibers after the wool blending treatment by using a carding machine; spinning the spun yarn by using a spinning frame; weaving the spun yarn into garment pieces, and sewing the garment pieces;
(8) and (3) moth-proofing treatment of the fabric: preparing vernonia esculenta mothproof finishing liquid, adopting a two-dipping two-rolling process, wherein the rolling liquid rate is 75-80%, stacking the fabrics at the temperature of 30-35 ℃ for 12-24 h, washing the wool fabrics twice at the temperature of 60-65 ℃, and drying;
(9) and (3) water and oil proofing treatment of the fabric: washing the fabric with absolute ethyl alcohol and clear water in sequence, and drying the fabric at the temperature of 80-85 ℃ for later use; uniformly spraying a titanium dioxide modified hydrophobic agent on the surface of the fabric; the dosage of the titanium dioxide modified hydrophobic agent is 10-20 mL/m2(ii) a And (3) putting the sprayed fabric into an oven, and drying for 0.5-1 h at the temperature of 120-130 ℃.
2. The preparation method of the waterproof dustproof mothproof wool fabric as claimed in claim 1, wherein the formula of the wool oil is as follows by mass percent: 65-80% of BSK and crude oil, 15-30% of castor oil polyoxyethylene ether, 2-5% of alkylphenol polyoxyethylene ether and 1-3% of succinate.
3. The preparation method of the waterproof, dustproof and mothproof wool fabric as claimed in claim 2, wherein the proportion of the wool oil and the water added into the wool fibers is 2: 1-3: 1.
4. The preparation method of the waterproof dustproof mothproof wool fabric as claimed in claim 3, wherein the formula of the vernonia galamensis mothproof finishing liquid is as follows by mass percent: 75-85% of a wool mothproofing agent and 15-25% of vernonia esculenta extracting solution; the method for extracting the vernonia esculenta extracting solution comprises the following steps: reflux-extracting Vernonia esculenta dry fruit with 80% ethanol for 3 times, mixing extractive solutions, concentrating under reduced pressure, uniformly dispersing with distilled water, defatting with petroleum ether, extracting with ethyl acetate, concentrating to obtain Vernonia esculenta extract, dispersing with distilled water, and mixing the dispersion with wool mothproofing agent.
5. The method for preparing the waterproof, dustproof and mothproof wool fabric according to claim 4, wherein the method for preparing the titanium dioxide modified hydrophobic agent comprises the following steps: 400mL of tetrahydrofuran, 0.1mL of hexadecyltrimethoxysilane, 10g of polydimethoxysilane and 2-10 g of silicon dioxide, and the above substances are uniformly stirred in a magnetic stirrer for 6 hours, and then 10g of polydimethoxysilane is added.
6. The method for preparing a waterproof, dustproof and mothproof wool fabric according to claim 5, wherein the particle size of the silicon dioxide is 10-100 nm.
CN201910903090.8A 2019-09-24 2019-09-24 Preparation method of waterproof, dustproof and mothproof wool fabric Pending CN110747629A (en)

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