CN121538831A - Nano micro-molecular wool cashmere fabric and preparation method thereof - Google Patents
Nano micro-molecular wool cashmere fabric and preparation method thereofInfo
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- CN121538831A CN121538831A CN202511797737.5A CN202511797737A CN121538831A CN 121538831 A CN121538831 A CN 121538831A CN 202511797737 A CN202511797737 A CN 202511797737A CN 121538831 A CN121538831 A CN 121538831A
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Abstract
The invention relates to a nanometer micro-molecule wool cashmere fabric and a preparation method thereof, wherein the nanometer micro-molecule wool cashmere fabric comprises 15-20 parts of nanometer micro-molecule capsules, 2-5 parts of softening agent, 1-3 parts of nonionic surfactant, 1-4 parts of citric acid, 55-65 parts of ethyl acrylate-methyl methacrylate copolymer water dispersion and 10-20 parts of chitosan solution, wherein a rolling agent is obtained by proportioning, a rolling solution is obtained after mixing with water, wool is subjected to rolling treatment by utilizing the rolling solution, and nanometer micro-molecule wool is obtained after curing treatment. According to the invention, after biomass activated carbon is used for adsorbing eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver, an ethyl acrylate-methyl methacrylate copolymer and chitosan are used for coating to prepare the nano micro-molecular capsule, and the nano micro-molecular capsule is added into a rolling solution system to roll and solidify wool and cashmere wool, so that the wool and cashmere fabric has lasting antibacterial effect, and the wear resistance and water shrinkage resistance of the wool and cashmere fabric are enhanced.
Description
Technical Field
The invention belongs to the technical field of wool and cashmere fabrics, and particularly relates to a nano micro-molecular wool and cashmere fabric and a preparation method thereof.
Background
Wool and cashmere fibers are widely used in the fields of clothing, home textiles and the like because of excellent softness, warmth retention property, hygroscopicity and comfort, and are widely used as high-grade textile raw materials for a long time, however, the surfaces of the wool and cashmere fibers are provided with a scale layer structure, so that the wool and cashmere fibers are easy to tangle under the action of water washing and friction to cause shrinkage, pilling and deformation of fabrics, and meanwhile, the wool and cashmere fibers are easy to absorb moisture, so that conditions are provided for the growth of microorganisms (such as bacteria and fungi), so that the wool and cashmere fibers are easy to generate peculiar smell, mildew and even cause skin allergy and the like in the wearing and storage processes.
In order to improve the problems, a chemical finishing method is generally adopted in the prior art, such as a resin finishing agent, a softening agent, an antibacterial agent and the like are used for processing the wool cashmere fabric, however, the traditional antibacterial finishing method adopts a mode of directly adding the antibacterial agent (such as quaternary ammonium salt, silver ion and the like), so that the problems of poor antibacterial durability, easiness in elution and the like exist, and in addition, other properties (such as wear resistance and water shrinkage resistance) are difficult to be considered while certain properties (such as antibacterial property) are improved by the conventional finishing agent, so that the nano micro-molecule wool cashmere fabric and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to solve the problems and provide a nano micro-molecular wool cashmere fabric and a preparation method thereof.
The invention realizes the above purpose through the following technical scheme:
the preparation method of the nanometer micro-molecule wool cashmere fabric specifically comprises the following steps:
15-20 parts of nanometer micro-molecular capsules, 2-5 parts of softening agent, 1-3 parts of nonionic surfactant, 1-4 parts of citric acid, 55-65 parts of ethyl acrylate-methyl methacrylate copolymer water dispersion and 10-20 parts of chitosan solution are proportioned to obtain a rolling agent, the rolling agent is mixed with water to obtain a rolling solution, the rolling solution is used for rolling wool and curing to obtain nanometer micro-molecular wool and wool;
The method for obtaining the nano-micro-molecular capsule comprises the steps of adsorbing eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver by using biomass activated carbon, mixing with nano-micro-capsule suspension prepared from ethyl acrylate-methyl methacrylate copolymer and chitosan, and spray drying;
The nano micro-molecular capsule is prepared from, by weight, 1-5 parts of biomass activated carbon, 2-5 parts of eucalyptus essential oil, 2-5 parts of lemon grass essential oil, 8-12 parts of medium chain triglyceride, 1-3 parts of nano zinc oxide, 1-3 parts of nano silver, 55-65 parts of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 15-25 parts of chitosan solution;
and step two, spinning by taking the nanometer micro-molecule wool cashmere yarns as warps and wefts to obtain the nanometer micro-molecule wool cashmere fabric.
In the first step, the biomass activated carbon is obtained by mixing loofah sponge and coconut fibers according to the mass ratio of (1-2), heating to 300-450 ℃ at the heating rate of 8-12 ℃ per minute under the nitrogen atmosphere, carbonizing for 2.5-4.5 hours, heating to 500-600 ℃ at the heating rate of 3-8 ℃ per minute, carbonizing for 2-3 hours, washing to neutrality, and drying in vacuum.
In the first step, the method for obtaining the nano-micro-molecular capsule comprises the steps of mixing biomass activated carbon, eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver in deionized water, wherein the solid-to-liquid ratio is 1:20 (w/v), adding 1-3.5wt% chitosan solution (chitosan is obtained by dissolving 1-2% acetic acid solution) after ultrasonic dispersion treatment, continuing stirring for 10-20min, adding an ethyl acrylate-methyl methacrylate copolymer water dispersion with the solid content of 25-35%, regulating the pH value to 5.0-5.5, stirring and reacting for 2-3 hours at 50-60 ℃ to form nano-micro-capsule suspension, centrifuging (3000-4000 r/min,10 min), washing 2-3 times with deionized water, spray drying, the inlet temperature is 130-140 ℃, the outlet temperature is 70-80 ℃, the rotating speed of an atomizer is 20000-200000 r/min, obtaining a powdery micro-capsule product, sieving through a 100-200 mesh standard sieve, and collecting the nano-micro-capsules.
As a further optimization scheme of the invention, the ultrasonic dispersion frequency is 35-50KHz, the power is 200-300W, the time is 10-20min, and the temperature is 28-35 ℃.
As a further optimization scheme of the invention, in the first step, 10-20g of a rolling agent and 100-150g of wool are added into every 1kg of a rolling solution;
the tilting treatment is that the materials are soaked for 10 to 20 minutes at the temperature of between 30 and 40 ℃ and the rolling surplus rate is between 70 and 85 percent;
the curing treatment is that the pre-baking is carried out for 5-8min at 60-70 ℃ and the baking is carried out for 2-5min at 80-90 ℃.
As a further optimization scheme of the invention, the softener is amino modified silicone oil, and the nonionic surfactant is at least one of fatty acid polyoxyethylene ester and fatty alcohol polyoxyethylene ether.
In the second step, the weaving structure of the nanometer micro-molecule wool cashmere fabric is plain weave, the weaving density of warp threads is 60-80 pieces/cm, and the weaving density of weft threads is 50-65 pieces/cm.
A nanometer micro-molecule wool cashmere fabric is prepared by any one of the preparation methods.
The invention has the beneficial effects that:
The invention takes loofah sponge and coconut shell fiber as biomass raw materials to prepare biomass activated carbon, after eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver are adsorbed, ethyl acrylate-methyl methacrylate copolymer and chitosan are coated to prepare nano micro-molecular capsules, the nano micro-molecular capsules are added into a roll solution system containing ethyl acrylate-methyl methacrylate copolymer water dispersion and chitosan solution, and the wool cashmere yarns obtained after the roll treatment and solidification treatment of the wool cashmere yarns have lasting antibacterial effect, and the wool cashmere fabric obtained by spinning the wool cashmere yarns also has high wear resistance and high shrink resistance;
The loofah sponge and the coconut shell fibers have certain mutual synergistic effect, so that the antibacterial durability can be remarkably improved, the wear resistance and the shrink-proof performance of the wool and cashmere fabric can be improved, and the applicability is better.
Detailed Description
The following detailed description of the application is provided to illustrate the application and should not be construed as limiting the scope of the application since it is intended that the following detailed description is given for the purpose of illustration only, and that certain non-essential modifications and adaptations of the application may occur to those skilled in the art in light of the foregoing disclosure.
Material
1. Medium chain triglycerides purchased from sienna vitamin biotechnology limited with a purity of 99%;
2. eucalyptus essential oil purchased from Jiang Zhou Biotechnology Co., taian, with purity of 99%;
3. Lemon grass essential oil purchased from Wuhan energy kernel pharmaceutical chemical industry Co., ltd, and having purity of 99%;
4. Nano zinc oxide and nano silver, which are purchased from Yu mu (Ningbo) new materials limited company, and the purity is 99.9%;
5. An aqueous ethyl acrylate-methyl methacrylate copolymer dispersion having a solids content of 30% purchased from the biotechnology company of the division of the biological sciences of the Wuhan Pengpeng;
6. Chitosan solution is obtained by dissolving chitosan (purchased from the chemical industry Co., ltd., siam Conno, purity 99%) in 1-2% (the following experiment is preferably 1.8%) acetic acid solution;
7. Wool sheep wool, 75% wool and 25% cashmere;
8. The soft agent is amino modified silicone oil, the nonionic surfactant is at least one of fatty acid polyoxyethylene ester and fatty alcohol polyoxyethylene ether, and the following experiment adopts the fatty acid polyoxyethylene ester;
9. Commercially available coconut shell activated carbon is purchased from the chemical industry Co., ltd. In Fedda, suzhou, and has the purity of 99 percent, and is used after being screened by a 120-mesh sieve;
note that the following experiments of the present invention all employed preferred parameters;
The following examples, in which no particular method is identified, may be carried out in accordance with conventional methods, and other materials, reagents, etc. may be commercially available unless otherwise specified.
Method of
Example 1
In this embodiment, a preparation method of a nano-micro-molecule wool cashmere fabric specifically includes the following steps:
(1) Preparation of biomass activated carbon
In the embodiment, the biomass activated carbon is obtained by mixing loofah sponge and coconut fiber according to a mass ratio of 1:1, heating to 400 ℃ at a heating rate of 10 ℃ per minute under a nitrogen atmosphere, carbonizing for 4 hours, washing to neutrality, and drying in vacuum.
(2) Preparation of nano-micro-molecular capsule
In the embodiment, the preparation raw materials of the nanometer micro-molecular capsule comprise, by weight, 1 part of biomass activated carbon, 5 parts of eucalyptus essential oil, 4 parts of lemon grass essential oil, 12 parts of medium chain triglyceride, 2 parts of nanometer zinc oxide, 1 part of nanometer silver, 60 parts of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 15 parts of chitosan solution;
in the embodiment, the method for obtaining the nano-micro-molecular capsule comprises the steps of mixing biomass activated carbon, eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver in deionized water, performing ultrasonic dispersion treatment (the ultrasonic dispersion frequency is 40KHz, the power is 230W, the time is 12min, the temperature is 30 ℃), adding 1.5wt% of chitosan solution, continuously stirring for 15min, adding an ethyl acrylate-methyl methacrylate copolymer aqueous dispersion with the solid content of 30%, regulating the pH value to 5.3, stirring and reacting for 2.5 hours at 55 ℃ to form nano-micro-capsule suspension, performing centrifugal separation (3600 r/min,10 min), washing 2-3 times with deionized water, performing spray drying, the inlet temperature is 135 ℃, the outlet temperature is 75 ℃, the rotating speed of an atomizer is 22000r/min, sieving through a 150-mesh standard sieve, and collecting the nano-micro-molecular capsule.
(3) Preparation of nano-micro-molecular wool fleece and fabric
The preparation raw materials of the nanometer micro-molecule wool fleece comprise 15 parts by weight of nanometer micro-molecule capsules, 5 parts by weight of softening agent, 1 part by weight of nonionic surfactant, 4 parts by weight of citric acid, 60 parts by weight of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 15 parts by weight of chitosan solution;
According to the proportion, a rolling agent is obtained, the rolling agent is mixed with water to obtain a rolling solution, 16g of the rolling agent is added into each 1kg of the rolling solution, 120g of the wool is soaked for 15min under the temperature condition of 35 ℃, the rolling surplus rate is 78%, the wool after the rolling treatment is cured for 8min under the temperature of 60 ℃ and 5min under the temperature of 85 ℃, the nano micro-molecular wool is obtained after the curing treatment, the nano micro-molecular wool is used as warps and wefts to be woven to obtain the nano micro-molecular wool cashmere fabric, the weaving density of the warps is 70 pieces/cm, and the weaving density of the wefts is 55 pieces/cm.
Example 2
In this embodiment, a preparation method of a nano-micro-molecule wool cashmere fabric specifically includes the following steps:
(1) Preparation of biomass activated carbon
In the embodiment, the biomass activated carbon is obtained by mixing loofah sponge and coconut fiber according to a mass ratio of 1:1, heating to 400 ℃ at a heating rate of 10 ℃ per minute under a nitrogen atmosphere, carbonizing for 4 hours, washing to neutrality, and drying in vacuum.
(2) Preparation of nano-micro-molecular capsule
In the embodiment, the preparation raw materials of the nanometer micro-molecular capsule comprise, by weight, 3 parts of biomass activated carbon, 2 parts of eucalyptus essential oil, 3 parts of lemon grass essential oil, 8 parts of medium chain triglyceride, 2 parts of nanometer zinc oxide, 2 parts of nanometer silver, 60 parts of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 20 parts of chitosan solution;
in the embodiment, the method for obtaining the nano-micro-molecular capsule comprises the steps of mixing biomass activated carbon, eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver in deionized water, performing ultrasonic dispersion treatment (the ultrasonic dispersion frequency is 40KHz, the power is 230W, the time is 12min, the temperature is 30 ℃), adding 1.5wt% of chitosan solution, continuously stirring for 15min, adding an ethyl acrylate-methyl methacrylate copolymer aqueous dispersion with the solid content of 30%, regulating the pH value to 5.3, stirring and reacting for 2.5 hours at 55 ℃ to form nano-micro-capsule suspension, performing centrifugal separation (3600 r/min,10 min), washing 2-3 times with deionized water, performing spray drying, the inlet temperature is 135 ℃, the outlet temperature is 75 ℃, the rotating speed of an atomizer is 22000r/min, sieving through a 150-mesh standard sieve, and collecting the nano-micro-molecular capsule.
(3) Preparation of nano-micro-molecular wool fleece and fabric
The preparation raw materials of the nanometer micro-molecule wool fleece comprise 15 parts by weight of nanometer micro-molecule capsules, 5 parts by weight of softening agent, 1 part by weight of nonionic surfactant, 4 parts by weight of citric acid, 60 parts by weight of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 15 parts by weight of chitosan solution;
According to the proportion, a rolling agent is obtained, the rolling agent is mixed with water to obtain a rolling solution, 16g of the rolling agent is added into each 1kg of the rolling solution, 120g of the wool is soaked for 15min under the temperature condition of 35 ℃, the rolling surplus rate is 78%, the wool after the rolling treatment is cured for 8min under the temperature of 60 ℃ and 5min under the temperature of 85 ℃, the nano micro-molecular wool is obtained after the curing treatment, the nano micro-molecular wool is used as warps and wefts to be woven to obtain the nano micro-molecular wool cashmere fabric, the weaving density of the warps is 70 pieces/cm, and the weaving density of the wefts is 55 pieces/cm.
Example 3
In this embodiment, a preparation method of a nano-micro-molecule wool cashmere fabric specifically includes the following steps:
(1) Preparation of biomass activated carbon
In the embodiment, the biomass activated carbon is obtained by mixing loofah sponge and coconut fiber according to a mass ratio of 1:1, heating to 400 ℃ at a heating rate of 10 ℃ per minute under a nitrogen atmosphere, carbonizing for 4 hours, washing to neutrality, and drying in vacuum.
(2) Preparation of nano-micro-molecular capsule
In the embodiment, the preparation raw materials of the nanometer micro-molecular capsule comprise, by weight, 5 parts of biomass activated carbon, 2 parts of eucalyptus essential oil, 2 parts of lemon grass essential oil, 10 parts of medium chain triglyceride, 1 part of nanometer zinc oxide, 3 parts of nanometer silver, 55 parts of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 22 parts of chitosan solution;
in the embodiment, the method for obtaining the nano-micro-molecular capsule comprises the steps of mixing biomass activated carbon, eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver in deionized water, performing ultrasonic dispersion treatment (the ultrasonic dispersion frequency is 40KHz, the power is 230W, the time is 12min, the temperature is 30 ℃), adding 1.5wt% of chitosan solution, continuously stirring for 15min, adding an ethyl acrylate-methyl methacrylate copolymer aqueous dispersion with the solid content of 30%, regulating the pH value to 5.3, stirring and reacting for 2.5 hours at 55 ℃ to form nano-micro-capsule suspension, performing centrifugal separation (3600 r/min,10 min), washing 2-3 times with deionized water, performing spray drying, the inlet temperature is 135 ℃, the outlet temperature is 75 ℃, the rotating speed of an atomizer is 22000r/min, sieving through a 150-mesh standard sieve, and collecting the nano-micro-molecular capsule.
(3) Preparation of nano-micro-molecular wool fleece and fabric
The preparation raw materials of the nanometer micro-molecule wool fleece comprise 15 parts by weight of nanometer micro-molecule capsules, 5 parts by weight of softening agent, 1 part by weight of nonionic surfactant, 4 parts by weight of citric acid, 60 parts by weight of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 15 parts by weight of chitosan solution;
According to the proportion, a rolling agent is obtained, the rolling agent is mixed with water to obtain a rolling solution, 16g of the rolling agent is added into each 1kg of the rolling solution, 120g of the wool is soaked for 15min under the temperature condition of 35 ℃, the rolling surplus rate is 78%, the wool after the rolling treatment is cured for 8min under the temperature of 60 ℃ and 5min under the temperature of 85 ℃, the nano micro-molecular wool is obtained after the curing treatment, the nano micro-molecular wool is used as warps and wefts to be woven to obtain the nano micro-molecular wool cashmere fabric, the weaving density of the warps is 70 pieces/cm, and the weaving density of the wefts is 55 pieces/cm.
Example 4
In the embodiment, the preparation method of the nano micro molecule wool cashmere fabric is based on the embodiment 2, the preparation raw materials of the nano micro molecule wool cashmere yarn in the step (3) are adjusted, and the preparation raw materials of the nano micro molecule wool cashmere yarn comprise 18 parts of nano micro molecule capsules, 3 parts of softening agent, 2 parts of nonionic surfactant, 3 parts of citric acid, 60 parts of ethyl acrylate-methyl methacrylate copolymer water dispersion and 14 parts of chitosan solution in parts by weight;
The remainder remained the same as in example 2.
Example 5
In the embodiment, the preparation method of the nano micro-molecule wool cashmere fabric is based on the embodiment 2, and after the preparation raw materials of the nano micro-molecule wool cashmere yarn in the step (3) are adjusted, the preparation raw materials of the nano micro-molecule wool cashmere yarn comprise 20 parts of nano micro-molecule capsules, 2 parts of softening agent, 3 parts of nonionic surfactant, 1 part of citric acid, 56 parts of ethyl acrylate-methyl methacrylate copolymer water dispersion and 18 parts of chitosan solution in parts by weight;
The remainder remained the same as in example 2.
Example 6
In the embodiment, the preparation method of the nano-micro-molecular wool cashmere fabric is based on embodiment 4, the method for obtaining the biomass activated carbon in the step (1) is adjusted, and after the adjustment, the method for obtaining the biomass activated carbon is that loofah sponge and coconut shell fibers are mixed according to a mass ratio of 1:1, and the mixture is heated to 400 ℃ at a heating rate of 10 ℃ per minute under a nitrogen atmosphere, carbonized for 4 hours, heated to 550 ℃ at a heating rate of 6 ℃ per minute, carbonized for 2.5 hours, washed to be neutral and dried in vacuum, so that the nano-micro-molecular wool cashmere fabric is obtained;
the remainder remained the same as in example 4.
Comparative example 1
In the comparative example, the preparation method of the nano-micro-molecular wool cashmere fabric is based on the embodiment 6, and the method for obtaining the biomass activated carbon in the step (1) is adjusted, wherein after the adjustment, the method for obtaining the biomass activated carbon is that loofah sponge is heated to 400 ℃ at a heating rate of 10 ℃ per minute under a nitrogen atmosphere, carbonized for 4 hours, heated to 550 ℃ at a heating rate of 6 ℃ per minute, carbonized for 2.5 hours, washed to be neutral and dried in vacuum, so that the nano-micro-molecular wool cashmere fabric is obtained;
The remainder remained the same as in example 6.
Comparative example 2
In the comparative example, the preparation method of the nano-micro-molecular wool cashmere fabric is based on the embodiment 6, and the method for obtaining the biomass activated carbon in the step (1) is adjusted, wherein after the adjustment, the biomass activated carbon is obtained by heating coconut shell fibers to 400 ℃ at a heating rate of 10 ℃ per minute under a nitrogen atmosphere, carbonizing for 4 hours, heating to 550 ℃ at a heating rate of 6 ℃ per minute, carbonizing for 2.5 hours, washing to neutrality, and drying in vacuum;
The remainder remained the same as in example 6.
Comparative example 3
In the comparative example, a preparation method of a nano-micro molecule wool cashmere fabric is based on example 6, and the biomass activated carbon prepared in the step (1) is replaced by commercially available coconut activated carbon to prepare a nano-micro molecule capsule;
The remainder remained the same as in example 6.
Blank 1
In the blank group, the preparation method of the nanometer micro-molecule wool cashmere fabric is based on the embodiment 6, the steps (1) and (2) are omitted, the step (3) after adjustment is that the preparation raw materials of the nanometer micro-molecule wool cashmere fabric comprise 5 parts by weight of softening agent, 1 part by weight of nonionic surfactant, 4 parts by weight of citric acid, 60 parts by weight of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 15 parts by weight of chitosan solution;
Obtaining a rolling agent according to the proportion, mixing the rolling agent with water to obtain a rolling solution, using the rolling solution to roll and treat wool, adding 16g of the rolling agent into each 1kg of the rolling solution, soaking 120g of the wool for 15min at the temperature of 35 ℃, and curing the rolled wool for 8min at 60 ℃ and 5min at 85 ℃ to obtain the nanometer micro-molecule wool; the nanometer micro-molecule wool cashmere fabric is obtained by spinning the nanometer micro-molecule wool cashmere yarns serving as warps and wefts, wherein the weaving weave of the nanometer micro-molecule wool cashmere fabric is plain weave, the weaving density of the warps is 70 pieces/cm, and the weaving density of the wefts is 55 pieces/cm
Performance testing
(1) Antibacterial property test
Washing 50 times of fabric samples, namely carrying out washing test on the fabric samples of examples 1-6, comparative examples 1-3 and blank groups according to a standard regulation program of a household washing and drying program for textile test of GB/T8629-2001, carrying out washing test by adopting a horizontal rotary drum type washing machine, carrying out washing test on the fabric samples with a total load of 3.5kg and 28 ℃ for 24min, carrying out washing cycle times of 50 times, dehydrating for 6min after the last washing cycle is finished, and drying the fabric samples at 40 ℃ plus or minus 3 ℃;
Antibacterial Property test the antibacterial Properties of the fabric samples of examples 1 to 6, comparative examples 1 to 3 and the blank group were tested according to the Standard GB/T20944.2-2007 evaluation of antibacterial Property of textiles part 2 absorption method, test species were staphylococcus aureus (gram positive bacteria) and escherichia coli (gram negative bacteria), each fabric sample was cut into 20 mm. Times.20 mm according to the standard specification, and the unwashed sample fabrics of examples 1 to 6, comparative examples 1 to 3 and the blank group and the fabric samples washed 50 times with water were subjected to antibacterial test, and the test data are shown in Table 1:
Table 1 antibacterial property test data recording table for fabrics
;
The experiment conclusion shows that in the examples 1-6, the fabric samples prepared by the preparation method of the example 6 have the optimal antibacterial property, and can still keep higher antibacterial property after washing for many times, and the comparison analysis shows that the biomass activated carbon prepared by taking the loofah sponge and the coconut fiber as biomass raw materials has a lasting antibacterial effect after adsorbing eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver, and then coating the loofah sponge and the coconut fiber with ethyl acrylate-methyl methacrylate copolymer and chitosan to prepare the nano micro molecular capsule, and the nano micro molecular capsule is added into a rolling solution system containing ethyl acrylate-methyl methacrylate copolymer water dispersion and chitosan solution, so that the wool and cashmere obtained after the rolling treatment and the curing treatment of the wool and cashmere has a lasting antibacterial effect, wherein a certain interaction synergistic effect exists between the loofah sponge and the coconut fiber, and the antibacterial durability can be remarkably improved.
(2) Wear resistance test
Abrasion resistance index Ai test the above-mentioned fabric samples of examples 1 to 6, comparative examples 1 to 3 and blank group were respectively subjected to abrasion resistance tests under the same experimental conditions with reference to the standard of "GB/T21196.2-2007 determination of abrasion resistance of textile Martindale method fabrics", the abrasion resistance index Ai (average mass loss per friction) thereof was measured, and the test results are shown in Table 2 below:
Table 2 wear resistance test data recording table for fabric
;
The experimental conclusion shows that, based on the data analysis in the table 2, in a tilting solution system containing ethyl acrylate-methyl methacrylate copolymer water dispersion and chitosan solution, after the nanometer micro-molecular capsules are added and solidified, the wear resistance of a fabric sample can be obviously improved, and the biomass activated carbon prepared by taking the luffa and the coconut shell fibers as biomass raw materials is added into the biomass activated carbon after adsorbing nanometer zinc oxide and nanometer silver, so that the strength of a framework supporting structure is enhanced, the wear resistance is obviously improved, the fabric is not easy to fall off, and the durability is strong.
(3) Test of anti-shrink property
The shrinkage test is carried out on the fabric samples of the examples 1-6, the comparative examples 1-3 and the blank group respectively under the same experimental conditions, the fabric samples of each group are sewn by polyester threads after being folded in half, cross marks are respectively formed at the two ends of the fabric samples, the size L 0 before shrinkage is recorded, the fabric samples are placed in a washing machine for continuous washing for 30 hours, the rotating speed is 1200r/min, the temperature is 32 ℃, the temperature is 45 ℃ plus or minus 5 ℃, the shrinkage of the fabric samples is recorded, the shrinkage of the fabric samples is calculated according to L 0 and L 1, the calculation formula is [ (L 0-L1）/L0 ] ×100%, and the calculated test results are shown in the table 3:
table 3 fabric shrinkage performance test data recording table
;
The experimental conclusion shows that, based on the data analysis in the table 3, in a tilting solution system containing ethyl acrylate-methyl methacrylate copolymer water dispersion and chitosan solution, after the nanometer micro-molecular capsules are added and solidified, the anti-shrink performance of the fabric sample can be obviously improved, and the biomass activated carbon prepared by taking the loofah sponge and the coconut shell fibers as biomass raw materials is added into the biomass activated carbon after adsorbing nanometer zinc oxide and nanometer silver, so that the strength of a skeleton supporting structure is enhanced, the anti-shrink performance of the fabric sample is obviously improved, the fabric sample is not easy to shrink and deform after washing, and the effect is better.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (8)
1. The preparation method of the nanometer micro-molecule wool cashmere fabric is characterized by comprising the following steps of:
15-20 parts of nanometer micro-molecular capsules, 2-5 parts of softening agent, 1-3 parts of nonionic surfactant, 1-4 parts of citric acid, 55-65 parts of ethyl acrylate-methyl methacrylate copolymer water dispersion and 10-20 parts of chitosan solution are proportioned to obtain a rolling agent, the rolling agent is mixed with water to obtain a rolling solution, the rolling solution is used for rolling wool and curing to obtain nanometer micro-molecular wool and wool;
The method for obtaining the nano-micro-molecular capsule comprises the steps of adsorbing eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nano zinc oxide and nano silver by using biomass activated carbon, mixing with nano-micro-capsule suspension prepared from ethyl acrylate-methyl methacrylate copolymer and chitosan, and spray drying;
The nano micro-molecular capsule is prepared from, by weight, 1-5 parts of biomass activated carbon, 2-5 parts of eucalyptus essential oil, 2-5 parts of lemon grass essential oil, 8-12 parts of medium chain triglyceride, 1-3 parts of nano zinc oxide, 1-3 parts of nano silver, 55-65 parts of ethyl acrylate-methyl methacrylate copolymer aqueous dispersion and 15-25 parts of chitosan solution;
and step two, spinning by taking the nanometer micro-molecule wool cashmere yarns as warps and wefts to obtain the nanometer micro-molecule wool cashmere fabric.
2. The preparation method of the nanometer micro-molecular wool cashmere fabric is characterized in that in the first step, the biomass activated carbon is obtained by mixing loofah sponge and coconut fiber according to the mass ratio of (1-2), heating to 300-450 ℃ at the heating rate of 8-12 ℃ per minute under nitrogen atmosphere, carbonizing for 2.5-4.5h, heating to 500-600 ℃ at the heating rate of 3-8 ℃ per minute, carbonizing for 2-3h, washing to neutrality, and drying in vacuum.
3. The preparation method of the nanometer micro-molecule wool cashmere fabric is characterized in that in the first step, the preparation method of the nanometer micro-molecule capsule comprises the steps of mixing biomass activated carbon, eucalyptus essential oil, lemon grass essential oil, medium chain triglyceride, nanometer zinc oxide and nanometer silver into deionized water, carrying out ultrasonic dispersion treatment, adding 1-3.5wt% chitosan solution, continuing stirring for 10-20min, adding an ethyl acrylate-methyl methacrylate copolymer aqueous dispersion with the solid content of 25-35%, regulating the pH value to 5.0-5.5, carrying out stirring reaction for 2-3h at 50-60 ℃, forming nanometer micro-capsule suspension, carrying out centrifugal separation, washing 2-3 times with deionized water, spray drying, screening, and collecting the obtained nanometer micro-molecule capsule.
4. The method for preparing the nanometer micro-molecule wool cashmere fabric, as claimed in claim 3, wherein the ultrasonic dispersion frequency is 35-50KHz, the power is 200-300W, the time is 10-20min, and the temperature is 28-35 ℃.
5. The method for preparing nano-micro-molecular wool cashmere fabric according to claim 1, wherein in the first step, 10-20g of a padding agent and 100-150g of wool cashmere yarn are added into each 1kg of padding solution;
the tilting treatment is that the materials are soaked for 10 to 20 minutes at the temperature of between 30 and 40 ℃ and the rolling surplus rate is between 70 and 85 percent;
the curing treatment is that the pre-baking is carried out for 5-8min at 60-70 ℃ and the baking is carried out for 2-5min at 80-90 ℃.
6. The method for preparing nano-molecule wool cashmere fabric according to claim 1, wherein the softener is amino modified silicone oil, and the nonionic surfactant is at least one of fatty acid polyoxyethylene ester and fatty alcohol polyoxyethylene ether.
7. The method for preparing the nanometer micro-molecule wool cashmere fabric, which is disclosed in claim 1, is characterized in that in the second step, the weaving weave of the nanometer micro-molecule wool cashmere fabric is plain weave, the weaving density of warp is 60-80 pieces/cm, and the weaving density of weft is 50-65 pieces/cm.
8. A nano-micro-molecular wool cashmere fabric is characterized by being prepared by the preparation method of any one of the claims 1-7.
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| CN202511797737.5A CN121538831A (en) | 2025-12-02 | 2025-12-02 | Nano micro-molecular wool cashmere fabric and preparation method thereof |
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