CN114892398A - Imitation method of gambiered plant gauze - Google Patents
Imitation method of gambiered plant gauze Download PDFInfo
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- CN114892398A CN114892398A CN202210440521.3A CN202210440521A CN114892398A CN 114892398 A CN114892398 A CN 114892398A CN 202210440521 A CN202210440521 A CN 202210440521A CN 114892398 A CN114892398 A CN 114892398A
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- silk
- gambiered
- ions
- fabric
- imitation
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- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a method for imitating gambiered plant muskmelon, and belongs to the field of functional textiles. The preparation process comprises the following steps: the method comprises the steps of forming a polyphenol film on silk fabric in a mode of rapid oxidative polymerization of polyphenol compounds and essence, enabling the fabric to be yellow brown, sequentially carrying out technical operations such as in-situ loading of metal ions and packaging and coating of organic silicon materials on the modified fabric, enabling the silk fabric to have various properties including fragrance, antibiosis, antifouling property and the like, and obtaining imitation gamboge yarn, wherein the fabric is yellow brown to black. The invention has the following advantages and effects: the adopted raw materials are easy to obtain, are not limited by seasons, have quick, simple and convenient imitation process and are suitable for large-scale production; the prepared imitation fragrant and cloudy fabric is cool, stiff and soft in hand feeling, has the characteristics of lasting fragrance release at high temperature, high-efficiency antibiosis, super-hydrophobicity, easy decontamination, easy washing and drying, good washing fastness and the like.
Description
Technical Field
The invention belongs to the field of functional textiles, and relates to a method for imitating gambiered Canton gauze.
Background
The gambiered Canton gauze is special silk with black front surface and yellow brown back surface and different colors, has a price higher than that of gold, can trace back to the Ming dynasty after a long-term generation of history, and is classified as a national-grade non-material cultural heritage in 2008. The fabric has the characteristics of unique texture, style and color, and still belongs to high-grade clothing materials. However, the production process of the gambiered plant gauze has the defects of complicated process, large water consumption, more obtained wastewater, low yield, limited industrialization and the like, and the defects become the main reasons why the gambiered plant gauze cannot be popularized.
The traditional production process flow of the gambiered Canton gauze comprises the following steps: silk preparation → dioscorea cirrhosa soaking juice (the dioscorea cirrhosa juice contains gel and tannic acid) → sun-drying dioscorea cirrhosa → repeatedly sun-drying dioscorea cirrhosa (the fabric is bonded with a layer of yellow brown colloidal substance after sun-drying) → overy (the fabric is covered with river mud, the river mud contains iron oxide, and after washing, the fabric colloid becomes black) → washing → sun-drying → spreading → tentering → silk rolling. Wherein the 'over-black' is the key for obtaining the black and bright color of the front surface of the gambiered plant gauze.
The conventional process flow mainly has the following three problems in the technical aspect: firstly, the fragrant cloud yarn prepared by the river mud often has mud odor, and the fragrant cloud yarn prepared directly is not suitable for daily wearing and needs additional fragrance finishing, so that the process steps can be reduced by improving the smell of the river mud. Secondly, the river surge of the Zhujiang Delta is seriously polluted in the industrial process, the available river mud is sharply reduced, and the sustainable production of the gamboge gauze is threatened, so that the development of a river mud substitute is very necessary. Third, polluted river mud contains a large number of bacterial microorganisms, which affect the health of the wearer, and therefore, the novel gambiered plant muskmelon needs to have antibacterial and antiviral capabilities. A method for rapidly determining the availability of gambiered plant wu river mud is disclosed in the patent with the application number CN201610326076.2 and the publication number CN 106018393B. The scientific method for determining the availability of the gambiered plant muskmelon river mud is high in accuracy, short in time consumption, stable and reliable. The problem of the diminishing availability of river mud still remains and the three important problems mentioned above cannot be solved from the root. The development of river mud substitutes with antibacterial performance and the antibacterial after-finishing of silk are beneficial to solving the problems. At present, no technology can solve the three problems simultaneously, and most of gambiered plant production factories are closed, so that the smooth inheritance of non-material cultural heritage gambiered plant dyeing and finishing skills is endangered.
In addition, the polyphenol compounds widely exist in natural plants, are natural, green, nontoxic, cheap and rich in polyhydroxy compounds, and have the functions of oxidative polymerization, coordination and complexation, adhesion and raw generationThe compatibility and other characteristics, so that the compound can be widely applied to the construction of multifunctional coatings. For example, Zhao et al proposed a simple method to prepare multifunctional cotton fabric with antibacterial activity and super-hydrophobicity [ Cellulose,2019,26, 6979-. Li et al prepared a hydrophobic, flame retardant and antibacterial multifunctional coating on PET fabric, the composite coating was composed of polyphosphate (APP), PDA, PDMS silica (PDMS-SiO) 2 ) And silver nanoparticles (AgNPs) [ Progress in Organic Coatings,2021,157,106296 ]. The excellent adhesiveness of the polyphenol compound is derived from phenolic hydroxyl and amino in the structure, and by utilizing the characteristic, an organic/inorganic hybrid double-wall self-lubricating microcapsule, a preparation method and a self-lubricating composite material containing the microcapsule are provided in patent applications with application numbers of CN201710031882.1 and CN 106674748B. And modifying the surface of the self-lubricating microcapsule by utilizing dopamine to obtain the self-lubricating microcapsule with the modified surface. And coating the outer layer of the self-lubricating microcapsule with the surface modified with silicon dioxide to prepare the organic/inorganic hybrid double-wall self-lubricating microcapsule. The application number is CN201811053467.7, and the publication number is CN108997617A, which discloses a preparation method of a polydopamine-coated red phosphorus microcapsule flame retardant. However, studies on the aspect of depositing functional substances on silk fabrics by using the characteristics of oxidative polymerization, coordination and complexation, adhesion and the like of polyphenol compounds to imitate gambiered silk yarns have not been reported.
Disclosure of Invention
There are three main problems based on the background art: the invention provides a manufacturing method of waterproof imitation fragrant cloud yarn with lasting fragrance and antibacterial performance, which has mud odor, small amount of available river mud and a great amount of bacterial microorganisms in the current river mud.
According to the invention, firstly, a polyphenol film is formed on the silk fabric in a mode of rapid oxidative polymerization of polyphenol compounds and essence, polyphenol is used for replacing dioscorea cirrhosa juice in the traditional process, so that the surface of the silk is changed into yellow brown, and functional groups such as amino groups, phenolic hydroxyl groups and the like are introduced to the surface of the fabric; then soaking the modified fabric in an essence aqueous solution to endow the fabric with a lasting fragrance releasing performance; then, the obtained fabric is impregnated with a metal ion aqueous solution, and the metal ions are reduced to metal nano particles on the fabric in situ, so that the fabric has antibacterial performance; meanwhile, the fabric jelly becomes black, and the metal ion solution can play the role of ferric oxide in river mud; and finally, impregnating the obtained fabric with organic silicon emulsion to enable the finished fabric to have fluorine-free antifouling performance, and finally obtaining the imitation gambiered plant gauze.
The invention is realized by the following technical scheme:
1) deposition of polyphenols and perfume on silk:
soaking silk in appropriate amount of water, adding a certain amount of polyphenol compounds, stirring well, and adjusting pH to alkaline range. Adding a proper amount of essence, stirring uniformly, and quickly polymerizing and depositing the polyphenol compounds and the essence on the surface of the silk.
2) Antibacterial fluorine-free antifouling finishing: soaking the silk obtained in the step 1) in a metal ion aqueous solution with a certain concentration, and generating antibacterial metal nanoparticles on the surface of the silk through an in-situ reduction reaction. And soaking the obtained silk in organic silicon emulsion with a certain concentration, drying to form a film, coating organic silicon on the surface layer of the silk, and performing encapsulation protection on the essence and the metal nano particles.
Preferably, in step 1), the polyphenol compounds include, but are not limited to, resveratrol, tannic acid, dopamine, flavone, catechol, gallic acid, catechin and the like.
Preferably, in the step 1), the mass ratio of the polyphenol compound to the silk is controlled to be between 0.1:1 and 1: 1. This is because the amount of polyphenols used is too low to provide multiple points of force; too high a level of polyphenolic compound causes the fabric to become non-soft.
Preferably, in step 1), Tris (Tris hydroxymethyl aminomethane) is used to adjust the pH value to be in the alkaline range of 7.5-9.5. This is because when exposed to air under weakly alkaline conditions, it polymerizes and forms a uniform nanofilm of polyphenol on almost any solid surface.
Preferably, in the step 1), the mass ratio of the essence to the silk is controlled to be between 1:1 and 20: 1. The essence is too low in dosage, and almost a few essence remains after being washed for many times, so that the effect of easy smell cannot be achieved; too high a quantity of perfume will occupy too many binding sites, thereby affecting the next modification effect.
Preferably, in step 1), the types of the essence include, but are not limited to, molecular essential oil, molecular perfume powder, microcapsule emulsion, microcapsule powder, etc., wherein the molecular essence has fast fragrance emission and short sustained release time, and the microcapsule essence has long sustained release time. The fragrance of the essence includes, but is not limited to, lavender, thyme, rose, jasmine, sandalwood, and the like.
Preferably, in the step 1), the soaking time is 3-48 h. The reason is that when the soaking time is less than 3h, the polyphenol compounds and the essence are not completely reacted, the bonding capacity is weak, and the essence is easy to fall off in the washing process.
Preferably, in step 2), the types of metal ions include, but are not limited to, iron ions, gold ions, silver ions, copper ions, manganese ions, zinc ions, lead ions, tin ions, mercury ions, cadmium ions, and the like. These metal ions are susceptible to polyphenol coordination, which reduces the metal ions to their original form and deposits on any solid surface. Most importantly, the nano-metals have certain antibacterial effect, especially gold, silver, copper and the like.
Preferably, in the step 2), the mass ratio of the metal ions to the silk is controlled to be between 0.1:1 and 1: 1. This is because the antibacterial effect is not good when the amount of the metal ions used is too low; when the amount of the metal ions is too high, softness and air permeability of the fabric are affected.
Preferably, in the step 2), the soaking time is 3-48 h. The reason is that when the soaking time is less than 3 hours, the polyphenol compounds and metal ions are not completely reacted, the bonding capacity is weak, the metal ions are easy to fall off in the washing process, and the antibacterial performance of the fabric cannot be endowed.
Preferably, in step 2), the type of silicone includes, but is not limited to, polydimethylsiloxane, cyclomethicone, aminosiloxane, polymethylphenylsiloxane, polyether polysiloxane copolymer, and the like. This is because the main chain of silicone is very flexible and the intermolecular force is much weaker than that of hydrocarbon, and therefore, it has a lower viscosity, a lower surface tension and a higher film-forming ability than that of hydrocarbon having the same molecular weight. So that the product has excellent performances of hydrophobicity, anti-sticking, lubrication, glazing and the like.
Preferably, in the step 2), the mass ratio of the organic silicon to the silk is controlled to be between 1:1 and 10: 1. When the dosage of the organic silicon is too low, the hydrophobic effect is poor, the fabric is not coated fully, the effect of secondary essence packaging cannot be achieved, and the lasting fragrance release capacity is reduced; when the dosage of the organic silicon is too high, the softness and the air permeability of the fabric are influenced, the fragrance of the essence cannot be released, the contact of silver ions and bacteria is also influenced, and the antibacterial effect is reduced.
Preferably, in the step 2), the soaking time is 5min to 360 min. This is because when the soaking time is less than 5min, the organic silicon is not enough to completely coat the fabric, and the hydrophobic effect is poor.
Compared with the prior art, the invention has the following advantages:
1) according to the invention, a polyphenol film is formed on the silk fabric by adopting a mode of rapid polyphenol oxidation polymerization, polyphenol is used for replacing dioscorea cirrhosa juice in the traditional process, the metal ion solution plays a role of ferric oxide in river mud, and the mixture of polyphenol compounds and metal ions can effectively become a substitute of river mud, so that the method is more beneficial to industrial production.
2) The 'river mud substitute' used in the invention introduces a large amount of functional groups such as amino, phenolic hydroxyl and the like on the surface of the fabric, and provides action sites for the access of the functional groups, so that the preparation method of the invention is beneficial to the development of multifunctional gambiered plant yarn.
3) The imitated fragrant and cloudy fabric has the characteristics of yellow and brown color on one surface and black color on the other surface, smooth, stiff and soft hand feeling, lasting fragrance release at high temperature, high-efficiency antibiosis, strong hydrophobicity, easiness in washing and drying, good hand washing fastness and the like.
4) The raw materials adopted by the invention are easy to obtain, are not limited by seasons, and the imitation process is quick, simple and convenient and is suitable for large-scale production; the prepared imitation fragrant and cloudy fabric is cool, stiff and soft in hand feeling, has the characteristics of lasting fragrance release at high temperature, high-efficiency antibiosis, super-hydrophobicity, easy decontamination, easy washing and drying, good washing fastness and the like.
Drawings
FIG. 1 is an electron microscope image of (a, e) silk, (b, f) silk/flavor microcapsules, (c, g) silk/flavor microcapsules/Ag, (d, h) silk/flavor microcapsules/Ag/PDMS-imitation gamboge yarn of examples 7-10;
FIG. 2 shows the controlled release rate of the fragrance of silk, silk/fragrance microcapsules/Ag and silk/fragrance microcapsules/Ag/PDMS-imitation chiyunnan yarns in examples 7 to 10;
FIG. 3 shows (a, e) silk in examples 7 to 10; (b, f) silk/fragrance microcapsules; (c, g) silk/fragrance microcapsules/Ag/PDMS; (d, h) inhibition of growth of silk/fragrance microcapsules/Ag/PDMS-imitation chiyunnan yarns against Escherichia coli and Staphylococcus aureus;
FIG. 4 shows (a) water contact angle and (b) water rolling angle (inclination angle: 10 ℃) of silk, silk/flavor microcapsules/Ag and silk/flavor microcapsules/Ag/PDMS-imitation cloud yarn in examples 7 to 10;
FIG. 5 shows the water contact angle change of silk/flavor microcapsules/Ag/PDMS-imitation chiyunnan yarns in friction cycle (a) and washing times (b) of examples 7 to 10.
Fig. 6 is a property diagram of the gambiered plant gauze prepared in example 7.
The specific implementation mode is as follows:
the following examples are further illustrative of the present invention and are not intended to be limiting thereof.
A method for imitating gambiered plant gauze comprises the following steps:
1) deposition of polyphenols and perfume on silk: soaking silk in appropriate amount of water, adding a certain amount of polyphenol compounds, stirring well, and adjusting pH to alkaline range. Adding a proper amount of essence, stirring uniformly, and quickly polymerizing and depositing the polyphenol compounds and the essence on the surface of the silk.
2) Antibacterial fluoride-free antifouling finishing: soaking the silk obtained in the step 1) in a metal ion aqueous solution with a certain concentration, and generating antibacterial metal nanoparticles on the surface of the silk through an in-situ reduction reaction. And soaking the obtained silk in organic silicon emulsion with a certain concentration, drying to form a film, coating organic silicon on the surface layer of the silk, and performing encapsulation protection on the essence and the metal nano particles.
Specific conditions for the preparation of the imitation chiyun yarns of comparative examples 1 and 2 and examples 1 to 10 are shown in tables 1 to 3, the imitation chiyun yarns cannot be successfully prepared in comparative example 1 and comparative example 2, and the imitation chiyun yarns can be prepared in examples 1 to 10. Wherein the amount of silk used was 1g for each of comparative examples and examples.
Table 1: formula for depositing polyphenol compounds and essence on silk in imitation method of gambiered plant yarn and related performance test thereof
Table 2: formula of antibacterial finishing in imitation method of gambiered Canton gauze and related performance test thereof
Table 3: formula of antifouling finishing in imitation method of gambiered Canton yarn and related performance test thereof
According to the observation that the silk in the comparative examples 1 and 2 is milk white, the fabric prepared in the examples 1-10 has different colors on two sides and one dark side and one light side, and the fabric which is exactly like the gambiered Canton gauze can be obtained. The imitated gambiered gauze prepared in the embodiments 1 to 4 has the defects of high fragrance releasing rate, low antibacterial efficiency, poor hydrophobic effect and the like, and the main reason is that the dosage of the functional substances is insufficient. In examples 5 and 6, the prepared imitation gambiered plant yarn has the advantages of slow fragrance releasing rate, high antibacterial efficiency and strong hydrophobic effect, but due to excessive input of functional substances, excessive modification causes the fabric to feel rough and too thick. The formula prepared in the embodiment 7-10 can obtain the imitation gambiered plant gauze which has the performances of lasting fragrance release at high temperature, high bacteriostasis rate, strong hydrophobicity, easiness in washing and drying, good hand washing fastness and the like, and is shown in the figures 1-5. Examples 11 to 15 are inferior to examples 7 to 10 in effect and are significantly superior to examples 1 to 6 in effect.
The property diagram of the musty yarn prepared in example 7 is shown in fig. 6, a polyphenol film is formed on a silk fabric in a mode of rapid oxidative polymerization of polyphenol compounds and essence, the fabric is tawny, then technical operations such as in-situ loading of metal ions and encapsulation coating of an organic silicon material are sequentially performed on the modified fabric, various performances including fragrance, antibiosis, antifouling and the like are given to the silk fabric, and the imitated musty yarn is obtained, and the fabric is tawny to black.
Wherein example 7 is the best preparation method for imitation gambiered yarn. Example 7: first-step dopamine modification: selecting high-quality silk, cutting into square silk samples (about 1.0g) with the side length of 10 cm, soaking the silk samples in 200mL of water, adding 0.4g of DA, stirring uniformly, and adjusting the pH value to 8.5 by using Tris. Second step of aromatic finishing: and (3) adding 12g of essence into the solution in the first step, uniformly stirring, standing and soaking for 6 hours at room temperature, sequentially washing with water and ethanol for multiple times, and naturally drying. The third step is antibacterial finishing: soaking the silk obtained in the second step in the solution of 0.3g AgNO 3 And then the mixture is kept standing and soaked for 8 hours in 30mL of aqueous solution at room temperature, and then the mixture is washed for multiple times by water and ethanol in sequence and is naturally dried. Fourthly, hydrophobic finishing: and (3) soaking the silk obtained in the third step in 40g of THF solution dissolved in 4g of PDMS, standing and soaking for 30min at room temperature, washing with water and ethanol for multiple times in sequence, and naturally drying.
Claims (10)
1. The imitation method of the gambiered plant gauze is characterized by comprising the following steps:
1) deposition of polyphenols and perfume on silk:
soaking silk in water, adding polyphenol compounds, stirring uniformly, adjusting the pH value to be in an alkaline range, adding essence, stirring uniformly, and rapidly polymerizing and depositing the polyphenol compounds and the essence on the surface of the silk;
2) antibacterial fluorine-free antifouling finishing:
soaking the silk obtained in the step 1) in a metal ion aqueous solution, generating antibacterial metal nanoparticles on the surface of the silk through an in-situ reduction reaction, soaking the silk in an organic silicon emulsion, drying to form a film, coating organic silicon on the surface layer of the silk, and performing encapsulation protection on essence and the metal nanoparticles.
2. The imitation method of gambiered plant yarn as claimed in claim 1, wherein in step 1), the polyphenol compound is at least one of resveratrol, tannic acid, dopamine, flavone, catechol, gallic acid and catechin.
3. An imitation method of gambiered plant yarn according to claim 1, wherein in the step 1), the mass ratio of the polyphenol compound to the silk is controlled to be 0.1:1 to 1: 1.
4. An imitation method of gambiered san according to claim 1, wherein in the step 1), tris (hydroxymethyl) aminomethane is used for adjusting the pH value to be in the alkaline range of 7.5-9.5.
5. The imitation method of gambiered plant yarn as claimed in claim 1, wherein in step 1), the essence is at least one of molecular essential oil, molecular incense powder, microcapsule emulsion and microcapsule powder.
6. An imitation method of gambiered Canton gauze as claimed in claim 1, wherein in step 1), the mass ratio of the essence to the silk is controlled to be 1: 1-20: 1, and the soaking time is 3-48 h.
7. The imitation method of gambiered plant yarn according to claim 1, wherein in the step 2), the metal ions are at least one of iron ions, gold ions, silver ions, copper ions, manganese ions, zinc ions, lead ions, tin ions, mercury ions and cadmium ions.
8. An imitation method of gambiered Canton gauze as claimed in claim 1, wherein in step 2), the mass ratio of the metal ions to the silk is controlled to be 0.1:1 to 1:1, and the soaking time is 3h to 48 h.
9. A method as claimed in claim 1, wherein in step 2), the silicone is at least one of polydimethylsiloxane, cyclomethicone, aminosiloxane, polymethylphenylsiloxane, and polyether polysiloxane copolymer.
10. An imitation method of gambiered Canton gauze as claimed in claim 1, wherein in step 2), the mass ratio of the organic silicon to the silk is controlled to be 1: 1-10: 1, and the soaking time is 5-360 min.
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