CN102995462A - Natural antibacterial coloured fabric and preparation method thereof - Google Patents
Natural antibacterial coloured fabric and preparation method thereof Download PDFInfo
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- CN102995462A CN102995462A CN2012105713190A CN201210571319A CN102995462A CN 102995462 A CN102995462 A CN 102995462A CN 2012105713190 A CN2012105713190 A CN 2012105713190A CN 201210571319 A CN201210571319 A CN 201210571319A CN 102995462 A CN102995462 A CN 102995462A
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Abstract
The invention discloses a natural antibacterial coloured fabric which contains chestnut shell extract. The preparation method of the natural antibacterial coloured fabric comprises the following steps of: drying and smashing cleaned chestnut shells, extracting in weak base solution, filtering to obtain a chestnut shell pigment stock solution, concentrating the chestnut shell pigment stock solution, drying and smashing, so as to obtain powdery natural chestnut shell pigment; and finally applying the chestnut shell pigment to dyeing on a fabric, so that the fabric is coloured and also has antibacterial property. The natural antibacterial coloured fabric disclosed by the invention has the advantages that a preparation process is simple, cost is low, large-scale production is easy to realize and antibacterial capability is strong.
Description
Technical field
The present invention relates to the functional fabric field, especially relate to a kind of natural antibacterial colored fabric and preparation technology thereof.
Background technology
Along with the development of science and technology, the raising of living standards of the people, people more and more pay close attention to healthy and safe life style.Each kind fabric at people's everyday general purpose has adhered to a large amount of pathogenic bacteria, and these pathogenic bacteria are important infections sources of numerous diseases; In addition, people at the fabric color of constantly pursuing new meaning, therefore, research and develop the existing social effect of antibiotic colored fabric and have again economic benefit again.
Generally speaking, antibiotic fabric can obtain by two kinds of methods, and a kind of is directly to be developed into antibiotic fabric with anti-bacterial fibre; Another kind is that fabric is put in order through antibacterial finishing agent, and antibacterial finishing agent is fixed on the fiber.The natural antibacterial fabric is that fabric is put in order through natural antibacterial agent, antiseptic is fixed on the fiber and preparation has the fabric of anti-microbial property.
At present the natural antibacterial fabric mainly is to be added on the fabric by means such as infusion process, padding methods after natural antibacterial agent and other chemicals are made microcapsules, be that CN102367634A and publication number are described in the patent of CN102359014A such as publication number, in the preparation process of natural antibacterial colored fabric, also have following problem to need to solve:
(1) although is natural extract, but being prepared into microcapsules anchors on the base cloth, in the process of preparation microcapsules, can add the chemicals such as polyvinyl alcohol, glutaraldehyde and do microcapsule wall material (for example publication number CN102367634A and publication number are CN102359014A), these chemicals locate all to have excitant to the eyes of human body etc., and the antibiotic finish of pure natural is not temporarily arranged;
(2) at present people to prepare antibiotic fabric be the rear antibiotic finish of dyeing first mostly, can in dyeing course, synthetic dyestuffs be added into above the fabric, synthetic dyestuffs have obvious harm or potential hazard to human body.The report that also textile dyeing and antibiotic finish is not carried out simultaneously at present;
The yield of extract before is lower, just has about 11% during the instruments such as use microwave, extracts when using conventional method to reach 4% ~ 5%, and recovery rate is low.
Summary of the invention
The object of the present invention is to provide a kind of natural environmental-protective, have fabric of antibacterial functions and preparation method thereof.
The invention provides a kind of natural antibacterial colored fabric, this natural antibacterial colored fabric be with chestnut shell extract as natural antibiotic coloring agent, fabric is dyeed and antibiotic finish, like this, in the preparation process, dyeing and the antibiotic finish of fabric are carried out simultaneously.
The present invention also provides a kind of preparation method of above-mentioned natural antibacterial colored fabric, and concrete steps are:
(1) chestnut shell is cleaned in the preparation of chestnut shell extract, oven dry, be crushed to 50 ~ 200 orders, join in the weak alkaline aqueous solution, add the hot reflux lixiviate, obtain extract, extract filters, with the filter residue after filtering, join in the identical weak alkaline aqueous solution, add the hot reflux lixiviate 2 ~ 3 times, merging filtrate, the filtrate that merges is concentrated into 1/3 ~ 1/5 of original solution volume, the air blast oven dry obtains chestnut shell extract under 70 ~ 85 ℃ of temperature after the pulverizing
As preferably: weak alkaline aqueous solution is the aqueous solution of sodium carbonate or potash, and the consumption of sodium carbonate or potash is 0.10% ~ 0.15% of chestnut shell quality, and the quality of water is 8 ~ 16 times of chestnut shell quality,
As preferably: add in the hot reflux lixiviate operation, heating-up temperature is 80 ~ 90 ℃, and extraction time is 1.5 ~ 2.5h;
(2) dying operation of fabric, chestnut shell extract is made into dyeing liquor, with wetting fabric, be 1% ~ 5% of fabric quality in the chestnut shell extract mass content, temperature is 90 ~ 95 ℃, and pH is 3 ~ 5, and bath raio is the 30 ~ 60min that dyes in the dyeing liquor of 1:30 ~ 1:90, dyeing is washed fabric with clear water after finishing, 100 ℃ of lower oven dry DYED FABRICS.
The present invention also provides a kind of application of chestnut shell extract, and chestnut shell extract can be used as the natural antibacterial coloring agent, when fabric is dyeed, fabric is carried out antibacterial treatment.
The invention has the beneficial effects as follows:
Preparing natural antibacterial agent in natural antibacterial colored fabric process, only added sodium carbonate carbonate such as (or) potash and these two kinds of chemicals of acetic acid, without harm or minimum harm, the antibiotic colored fabric that therefore obtains also is pure natural to these two kinds of chemicals to human body, safety, environmental protection;
Fabric also is in antibiotic finish in the process of dyeing, and Cost reduction is increased the benefit;
The chestnut shell extract recovery rate is high, can reach 18% ~ 20%, improves the chestnut shell utilization rate, increases economic efficiency.
The specific embodiment
Embodiment 1
Take by weighing the 50g chestnut shell, clean post-drying, pulverizing with clear water, add the aqueous solution 400mL that contains 0.050g sodium carbonate, backflow lixiviate 1.5h under 80 ℃ of temperature, extraction time is 2 times, merges all filtrates, filters to get chestnut shell pigment stoste; 1/5, the 85 ℃ of lower air blast that chestnut shell pigment stoste is concentrated into the original solution volume is dried, is crushed to 50 orders, obtains pulverous natural chestnut shell pigment, and recovery rate is 17.67%, and color is yellowish-brown.
Cotton is immersed in the water fully wetting, wrings out after the taking-up, put into the chestnut shell dye liquor and dye, dyeing condition is that dye dosage is 1% of cotton amount, dyeing temperature is 90 ℃, and the pH value is 5, and dyeing time is 30min, and bath raio is 1:30, soap after having dyed, dry, obtain the COTTON FABRIC of yellowish-brown.
Cotton after the dyeing of chestnut shell dye liquor is cut into the circle that diameter is 2cm, undyed cotton also is cut into the circle that diameter is 2cm as blank sample, for subsequent use, then by GB/T20944.2---the solid nutrition base that 2007 agar plate diffusion methods prepare is at 121 ℃ of high-temperature sterilization 20min, pour in the surface plate while hot and cool off, coat Escherichia coli and staphylococcus aureus after the condensation, cotton and blank sample after the dyeing tightly are attached on the solid nutrition base, in incubator, cultivate 18h, observing the cotton of processing is 72% to colibacillary bacteriostasis rate, antibiotic rate to staphylococcus aureus is 76%, and cotton blank sample is respectively 12% and 14% to the bacteriostasis rate of Escherichia coli and staphylococcus aureus.
Embodiment 2
Take by weighing the 50g chestnut shell, clean post-drying, pulverizing with clear water, add the aqueous solution 500mL that contains 0.055g sodium carbonate, backflow lixiviate 2.0h under 85 ℃ of temperature, extraction time is 3 times, merges all filtrates, filters to get chestnut shell pigment stoste; 1/4, the 80 ℃ of lower air blast that chestnut shell pigment stoste is concentrated into the original solution volume is dried, is crushed to 100 orders, obtains pulverous natural chestnut shell pigment, and recovery rate is 19.34%, and color is yellowish-brown.
Real silk is immersed in the water fully wetting, wrings out after the taking-up, put into the chestnut shell dye liquor and dye, dyeing condition is that dye dosage is 1% of real silk quality, dyeing temperature is 91 ℃, and the pH value is 5, and dyeing time is 40min, and bath raio is 1:45, soap after having dyed, dry, obtain the real silk fabric of yellowish-brown.
Real silk after the dyeing of chestnut shell dye liquor is cut into the circle that diameter is 2cm, undyed real silk also is cut into the circle that diameter is 2cm as blank sample, for subsequent use, then by GB/T20944.2---the solid nutrition base that 2007 agar plate diffusion methods prepare is at 121 ℃ of high-temperature sterilization 20min, pour in the surface plate while hot and cool off, coat Escherichia coli and staphylococcus aureus after the condensation, real silk and blank sample after the dyeing tightly are attached on the solid nutrition base, in incubator, cultivate 18h, observing the real silk of processing is 79% to colibacillary bacteriostasis rate, antibiotic rate to staphylococcus aureus is 82%, and the real silk blank sample is respectively 13% and 15% to the bacteriostasis rate of Escherichia coli and staphylococcus aureus.
Embodiment 3
Take by weighing the 50g chestnut shell, clean post-drying, pulverizing with clear water, add the aqueous solution 600mL that contains 0.075g sodium carbonate, backflow lixiviate 2.5h under 90 ℃ of temperature, extraction time is 3 times, merges all filtrates, filters to get chestnut shell pigment stoste; 1/3, the 75 ℃ of lower air blast that chestnut shell pigment stoste is concentrated into the original solution volume is dried, is crushed to 50 orders, obtains pulverous natural chestnut shell pigment, and recovery rate is 20.16%, and color is yellowish-brown.
Cotton is immersed in the water fully wetting, wrings out after the taking-up, put into the chestnut shell dye liquor and dye, dyeing condition is that dye dosage is 5% of cotton amount, dyeing temperature is 95 ℃, and the pH value is 4, and dyeing time is 60min, and bath raio is 1:60, soap after having dyed, dry, obtain the COTTON FABRIC of yellowish-brown.
Cotton after the dyeing of chestnut shell dye liquor is cut into the circle that diameter is 2cm, undyed cotton also is cut into the circle that diameter is 2cm as blank sample, for subsequent use, then by GB/T20944.2---the solid nutrition base that 2007 agar plate diffusion methods prepare is at 121 ℃ of high-temperature sterilization 20min, pour in the surface plate while hot and cool off, coat Escherichia coli and staphylococcus aureus after the condensation, cotton and blank sample after the dyeing tightly are attached on the solid nutrition base, in incubator, cultivate 18h, observing the cotton of processing is 96% to colibacillary bacteriostasis rate, antibiotic rate to staphylococcus aureus is 94%, and cotton blank sample is respectively 12% and 14% to the bacteriostasis rate of Escherichia coli and staphylococcus aureus.
Embodiment 4
Take by weighing the 50g chestnut shell, clean post-drying, pulverizing with clear water, add the aqueous solution 700mL that contains 0.060g sodium carbonate, backflow lixiviate 2.0h under 87 ℃ of temperature, extraction time is 3 times, merges all filtrates, filters to get chestnut shell pigment stoste; 1/4, the 80 ℃ of lower air blast that chestnut shell pigment stoste is concentrated into the original solution volume is dried, is crushed to 120 orders, obtains pulverous natural chestnut shell pigment, and recovery rate is 19.28%, and color is yellowish-brown.
Real silk is immersed in the water fully wetting, wrings out after the taking-up, put into the chestnut shell dye liquor and dye, dyeing condition is that dye dosage is 3% of real silk quality, dyeing temperature is 92 ℃, and the pH value is 3, and dyeing time is 50min, and bath raio is 1:90, soap after having dyed, dry, obtain the real silk fabric of yellowish-brown.
Real silk after the dyeing of chestnut shell dye liquor is cut into the circle that diameter is 2cm, undyed real silk also is cut into the circle that diameter is 2cm as blank sample, for subsequent use, then by GB/T20944.2---the solid nutrition base that 2007 agar plate diffusion methods prepare is at 121 ℃ of high-temperature sterilization 20min, pour in the surface plate while hot and cool off, coat Escherichia coli and staphylococcus aureus after the condensation, real silk and blank sample after the dyeing tightly are attached on the solid nutrition base, in incubator, cultivate 18h, observing the real silk of processing is 85% to colibacillary bacteriostasis rate, antibiotic rate to staphylococcus aureus is 85%, and the real silk blank sample is respectively 13% and 15% to the bacteriostasis rate of Escherichia coli and staphylococcus aureus.
Comparative Examples 1
Take by weighing the 50g chestnut shell, clean post-drying, pulverizing with clear water, add the aqueous solution 400mL that contains 0.050g sodium carbonate, backflow lixiviate 3.0h under 93 ℃ of temperature, extraction time is 2 times, merges all filtrates, filters to get chestnut shell pigment stoste; 1/5, the 85 ℃ of lower air blast that chestnut shell pigment stoste is concentrated into the original solution volume is dried, is crushed to 50 orders, obtains pulverous natural chestnut shell pigment, and recovery rate is 17.68%, and color is yellowish-brown.In contrast to embodiment 1, although extract that temperature raises, extraction time lengthens, the chestnut shell recovery rate obviously improves, and should be lower than 90 ℃, extraction time and is lower than 2.5h so extract temperature, can subtract low-energy supply cost.
Cotton is immersed in the water fully wetting, wrings out after the taking-up, put into the chestnut shell dye liquor and dye, dyeing condition is that dye dosage is 8% of cotton amount, dyeing temperature is 95 ℃, and the pH value is 4, dyeing time 60min, and bath raio is 1:60, soap after having dyed, dry, obtain the COTTON FABRIC of yellowish-brown.
Cotton after the dyeing of chestnut shell dye liquor is cut into the circle that diameter is 2cm, undyed cotton also is cut into the circle that diameter is 2cm as blank sample, for subsequent use, then by GB/T20944.2---the solid nutrition base that 2007 agar plate diffusion methods prepare is at 121 ℃ of high-temperature sterilization 20min, pour in the surface plate while hot and cool off, coat Escherichia coli and staphylococcus aureus after the condensation, cotton and blank sample after the dyeing tightly are attached on the solid nutrition base, in incubator, cultivate 18h, observing the cotton of processing is 96% to colibacillary bacteriostasis rate, is 94% to the antibiotic rate of staphylococcus aureus.In contrast to embodiment 3, although dye dosage is brought up to 8% of cotton amount, therefore antibacterial effect does not improve, so dye dosage there is no need to surpass 5% of fabric.
Comparative Examples 2
Take by weighing the 50g chestnut shell, clean post-drying, pulverizing with clear water, add the aqueous solution 500mL that contains 0.020g sodium carbonate, backflow lixiviate 2.0h under 85 ℃ of temperature, extraction time is 3 times, merges all filtrates, filters to get chestnut shell pigment stoste; 100 orders are dried, are crushed in 1/4, the 80 ℃ of lower air blast that chestnut shell pigment stoste is concentrated into the original solution volume, obtain pulverous natural chestnut shell pigment, recovery rate is 13.17%, color is yellowish-brown, in contrast to embodiment 2, because the consumption of sodium carbonate reduces, the recovery rate of chestnut shell descends, so the consumption of sodium carbonate is preferably 0.10% ~ 0.15% of chestnut shell quality.
Real silk is immersed in the water fully wetting, wrings out after the taking-up, put into the chestnut shell dye liquor and dye, dyeing condition is that dye dosage is 0.5% of real silk quality, dyeing temperature is 91 ℃, and the pH value is 5, and dyeing time is 40min, and bath raio is 1:45, soap after having dyed, dry, obtain the real silk fabric of yellowish-brown.
Real silk after the dyeing of chestnut shell dye liquor is cut into the circle that diameter is 2cm, undyed real silk also is cut into the circle that diameter is 2cm as blank sample, for subsequent use, then by GB/T20944.2---the solid nutrition base that 2007 agar plate diffusion methods prepare is at 121 ℃ of high-temperature sterilization 20min, pour in the surface plate while hot and cool off, coat Escherichia coli and staphylococcus aureus after the condensation, real silk and blank sample after the dyeing tightly are attached on the solid nutrition base, in incubator, cultivate 18h, observing the real silk of processing is 64% to colibacillary bacteriostasis rate, antibiotic rate to staphylococcus aureus is 72%, in contrast to embodiment 2, because dye dosage accounts for reducing of real silk quality proportion, the real silk of processing descends to some extent to the antibiotic rate of germ, therefore, dye dosage is that 1 ~ 5% scope of fabric is proper.
Comparative Examples 3
Take by weighing the 50g chestnut shell, clean post-drying, pulverizing with clear water, add the aqueous solution 600mL that contains 0.1g sodium carbonate, backflow lixiviate 2.5h under 90 ℃ of temperature, extraction time is 3 times, merges all filtrates, filters to get chestnut shell pigment stoste; 1/3, the 75 ℃ of lower air blast that chestnut shell pigment stoste is concentrated into the original solution volume is dried, is crushed to 50 orders, obtains pulverous natural chestnut shell pigment, and recovery rate is 20.18%, and color is yellowish-brown.In contrast to embodiment 3, although sodium carbonate amount increases, the chestnut shell recovery rate does not obviously improve, so sodium carbonate amount need not surpass 0.15%.
Cotton is immersed in the water fully wetting, wrings out after the taking-up, put into the chestnut shell dye liquor and dye, dyeing condition is that dye dosage is 5% of cotton amount, dyeing temperature is 85 ℃, and the pH value is 4, dyeing time 60min, and bath raio is 1:60, soap after having dyed, dry, obtain the COTTON FABRIC of yellowish-brown.
Cotton after the dyeing of chestnut shell dye liquor is cut into the circle that diameter is 2cm, undyed cotton also is cut into the circle that diameter is 2cm as blank sample, for subsequent use, then by GB/T20944.2---the solid nutrition base that 2007 agar plate diffusion methods prepare is at 121 ℃ of high-temperature sterilization 20min, pour in the surface plate while hot and cool off, coat Escherichia coli and staphylococcus aureus after the condensation, cotton and blank sample after the dyeing tightly are attached on the solid nutrition base, in incubator, cultivate 18h, observing the cotton of processing is 86% to colibacillary bacteriostasis rate, is 83% to the antibiotic rate of staphylococcus aureus.In contrast to embodiment 3, dyeing temperature is 85 ℃, and the cotton of processing descends to the antibiotic rate of germ, so dyeing temperature is more suitable in 90 ~ 95 ℃ of scopes.
Claims (6)
1. natural antibacterial colored fabric, it is characterized in that: described antibiotic colored fabric is, as natural antibiotic coloring agent fabric to be dyeed and antibiotic finish with chestnut shell extract.
2. the preparation method of natural antibacterial colored fabric as claimed in claim 1: it is characterized in that: in described preparation method's process, dyeing and the antibiotic finish of fabric are carried out simultaneously.
3. the preparation method of natural antibacterial colored fabric as claimed in claim 2: it is characterized in that: described preparation method's concrete steps are:
(1) chestnut shell is cleaned in the preparation of chestnut shell extract, oven dry, be crushed to 50 ~ 200 orders, join in the weak alkaline aqueous solution, add the hot reflux lixiviate, obtain extract, extract filters, with the filter residue after filtering, join in the identical weak alkaline aqueous solution, add the hot reflux lixiviate 2 ~ 3 times, merging filtrate is concentrated into 1/3 ~ 1/5 of original solution volume with the filtrate that merges, the air blast oven dry obtains chestnut shell extract under 70 ~ 85 ℃ of temperature after the pulverizing;
(2) dying operation of fabric, chestnut shell extract is made into dyeing liquor, with wetting fabric, be 1% ~ 5% of fabric quality in the chestnut shell extract mass content, temperature is 90 ~ 95 ℃, and pH is 3 ~ 5, and bath raio is the 30 ~ 60min that dyes in the dyeing liquor of 1:30 ~ 1:90, dyeing is washed fabric with clear water after finishing, 100 ℃ of lower oven dry DYED FABRICS.
4. the preparation method of natural antibacterial colored fabric as claimed in claim 3: it is characterized in that: the weak alkaline aqueous solution described in the step (1) is the aqueous solution of sodium carbonate or potash, the consumption of sodium carbonate or potash is 0.10% ~ 0.15% of chestnut shell quality, and the quality of water is 8 ~ 16 times of chestnut shell quality.
5. the preparation method of natural antibacterial colored fabric as claimed in claim 3: it is characterized in that: adding in the hot reflux lixiviate operation described in the step (1),, heating-up temperature is 80 ~ 90 ℃, and extraction time is 1.5 ~ 2.5h.
6. such as the application of each described chestnut shell extract of claim 1 to 5, it is characterized in that: described being applied as, chestnut shell extract can be used as the natural antibacterial coloring agent, when fabric is dyeed, fabric are carried out antibacterial treatment.
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| CN2012105713190A CN102995462A (en) | 2012-12-25 | 2012-12-25 | Natural antibacterial coloured fabric and preparation method thereof |
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| CN2012105713190A CN102995462A (en) | 2012-12-25 | 2012-12-25 | Natural antibacterial coloured fabric and preparation method thereof |
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| CN102995462A true CN102995462A (en) | 2013-03-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104962030A (en) * | 2015-07-12 | 2015-10-07 | 陆思烨 | Natural antibacterial and aging-resistant ABS (acrylonitrile butadiene styrene copolymer) material and preparation method thereof |
| CN105484044A (en) * | 2016-01-08 | 2016-04-13 | 湖州市千金丝织厂 | Novel mildew-proof antibacterial finishing agent and preparation method thereof |
| CN113480872A (en) * | 2021-07-07 | 2021-10-08 | 苏州麻朵纺织科技有限公司 | Method for preparing chestnut shell vegetable dye by subcritical method and dyeing method thereof |
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| CN1569970A (en) * | 2003-07-16 | 2005-01-26 | 中国科学院沈阳应用生态研究所 | Chestnut shell natural brown pigment extraction method |
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| CN1569970A (en) * | 2003-07-16 | 2005-01-26 | 中国科学院沈阳应用生态研究所 | Chestnut shell natural brown pigment extraction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104962030A (en) * | 2015-07-12 | 2015-10-07 | 陆思烨 | Natural antibacterial and aging-resistant ABS (acrylonitrile butadiene styrene copolymer) material and preparation method thereof |
| CN105484044A (en) * | 2016-01-08 | 2016-04-13 | 湖州市千金丝织厂 | Novel mildew-proof antibacterial finishing agent and preparation method thereof |
| CN113480872A (en) * | 2021-07-07 | 2021-10-08 | 苏州麻朵纺织科技有限公司 | Method for preparing chestnut shell vegetable dye by subcritical method and dyeing method thereof |
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Application publication date: 20130327 |