CN104031402B - A kind of preparation technology of tea natural dyestuff and application thereof - Google Patents
A kind of preparation technology of tea natural dyestuff and application thereof Download PDFInfo
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- CN104031402B CN104031402B CN201410269185.6A CN201410269185A CN104031402B CN 104031402 B CN104031402 B CN 104031402B CN 201410269185 A CN201410269185 A CN 201410269185A CN 104031402 B CN104031402 B CN 104031402B
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Abstract
The present invention relates to a kind of preparation technology and application thereof of tea natural dyestuff, this preparation technology, comprising: tealeaves is cleaned by (1), oven dry, utilizes machinery to be pulverized by tealeaves and obtains tea leaf powder; (2) pour in tea leaf powder by aqueous ethanolic solution, stir, be incubated after sealing and standing, cold filtration obtains a filtered liquid of tealeaves, after leaving standstill 1h, carries out the filtered liquid that secondary filtration obtains tealeaves; (3) utilize the method for underpressure distillation by the filtered liquid evaporation concentration of tealeaves, obtain tea natural dyestuff.The present invention extracts natural dyestuff from tealeaves, at leaching process to naturally not polluting, and has effectively kept the special fragrance contained by tealeaves here; At the fabric of the real silk utilizing tea natural dyestuff to dye, wool material, color displays is very natural, characteristic, can not change the material of cloth, sense of touch, has long fragrance, this natural dyestuff access expansion more.
Description
Technical field
The present invention relates to preparation and the Application Areas thereof of natural dyestuff, particularly relate to a kind of preparation technology and application thereof of tea natural dyestuff.
Background technology
Now society be no matter science and technology or social economy all in develop rapidly, the standard of living of people is constantly improving, and the quality of life is also in the change that matter occurs, and the health that hope is not only eaten by increasing people, that wears also wants healthy.The dyestuff still having many chemosynthesis worn in life, this dyestuff not only can to naturally polluting in the process of producing, and after textile dyeing, the color and luster of fabric seems unnatural, it is also very uncomfortable that people wear, particularly infant, they like what being taken just toward putting in the mouth, very dangerous.
And at very flourishing present of Tea Industry, a lot of tea inferior is bad to be drunk, fall unfortunately, in this case, utilizing tealeaves to dye is can't be better, and in tealeaves containing its distinctive tea fragrant and a lot of material favourable to health.
Summary of the invention
Invention overcomes above deficiency, provides a kind of preparation technology and application thereof of tea natural dyestuff, and the present invention can effectively utilize natural resources, not pollute in preparation process, and the fabric color applied is natural, health is practical, have anti-microbial property.
Technical scheme provided by the invention is: a kind of preparation technology of tea natural dyestuff, comprises the following steps:
(1) tealeaves cleaned, dry, utilize machinery to be pulverized by tealeaves and obtain tea leaf powder, get the tea leaf powder of 1kg;
(2) 15kg temperature is 100 DEG C and pH value 6.5 ~ 7.5 aqueous ethanolic solution pour in 1kg tea leaf powder, stir, after sealing and standing, temperature is remained on 20 ~ 30 DEG C, insulation 10 ~ 15min, cold filtration obtains a filtered liquid of tealeaves, after leaving standstill 1h, carry out the filtered liquid that secondary filtration obtains tealeaves;
(3) utilize the method for underpressure distillation by the filtered liquid evaporation concentration to 3 liter of tealeaves, obtain tea natural dyestuff.
Further improvement is: in described aqueous ethanolic solution, the concentration of ethanol is 20% ~ 40%.
Further improvement is, the invention provides a kind of method utilizing aforementioned tea natural dyestuff fabric to be carried out to substantive dyeing, comprises the following steps:
(1) tea natural dyestuff and water are mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 30% ~ 70% of whole tealeaves dye liquor quality, and regulates dye liquor pH value 7 ~ 9;
(2) fabric of real silk or wool material is put into water, it is made to absorb moisture fully, extract and put into tealeaves dye liquor after taking out fabric and dye, the mass ratio making fabric and dye liquor is 1:10 ~ 60, and needs temperature to be controlled to maintain 1h at 30 ~ 50 DEG C;
(3), after having contaminated, use clean water, then dry.
Further improve and be, the invention provides and a kind ofly utilize aforementioned tea natural dyestuff to carry out antibacterial method to fabric, comprise the following steps:
(1) tea natural dyestuff and water are mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 40% ~ 60% of whole tealeaves dye liquor quality, and regulates dye liquor pH value 8 ~ 9;
(2) fabric of real silk or wool material is put into water, it is made to absorb moisture fully, extract and put into tealeaves dye liquor after taking out fabric and dye, the mass ratio making fabric and dye liquor is 1:10 ~ 60, and needs temperature to be controlled to maintain 1h at 30 ~ 50 DEG C;
(3), after having contaminated, use clean water, then dry.
The invention has the advantages that: the present invention extracts natural dyestuff from tealeaves, in leaching process, only need aqueous ethanolic solution, to naturally not polluting, and effectively having kept the special fragrance contained by tealeaves here; At the fabric of the real silk utilizing tea natural dyestuff to dye, wool material, color displays is very natural, characteristic, can not change the material of cloth, sense of touch, has long fragrance; Real silk after tea natural dyeing, wool fabric have excellent germ resistance and reach 97.95%, 90.45% respectively to streptococcus aureus, colibacillary bacteriostasis rate; This natural dyestuff access expansion more.
embodiment:
Embodiment 1:
Tealeaves is cleaned, dries, utilize machinery to be pulverized by tealeaves and obtain tea leaf powder, get the tea leaf powder of 1kg, 15kg temperature is 100 DEG C and pH value 6.5 aqueous ethanolic solution pour in tea leaf powder, wherein in aqueous ethanolic solution, the concentration of ethanol is 20%, stir, after sealing and standing, temperature is remained on 20 DEG C, insulation 15min, cold filtration obtains a filtered liquid of tealeaves, after leaving standstill 1h, carries out the filtered liquid that secondary filtration obtains tealeaves, utilize the method for underpressure distillation by the filtered liquid evaporation concentration to 3 liter of tealeaves, namely obtain tea natural dyestuff.
Embodiment 2:
Tealeaves is cleaned, dries, utilize machinery to be pulverized by tealeaves and obtain tea leaf powder, get the tea leaf powder of 1kg, 15kg temperature is 100 DEG C and pH value 7 aqueous ethanolic solution pour in tea leaf powder, wherein in aqueous ethanolic solution, the concentration of ethanol is 30%, stir, after sealing and standing, temperature is remained on 25 DEG C, insulation 12min, cold filtration obtains a filtered liquid of tealeaves, after leaving standstill 1h, carries out the filtered liquid that secondary filtration obtains tealeaves, utilize the method for underpressure distillation by the filtered liquid evaporation concentration to 3 liter of tealeaves, namely obtain tea natural dyestuff.
Embodiment 3:
Tealeaves is cleaned, dries, utilize machinery to be pulverized by tealeaves and obtain tea leaf powder, get the tea leaf powder of 1kg, 15kg temperature is 100 DEG C and pH value 7.5 aqueous ethanolic solution pour in tea leaf powder, wherein in aqueous ethanolic solution, the concentration of ethanol is 40%, stir, after sealing and standing, temperature is remained on 30 DEG C, insulation 10min, cold filtration obtains a filtered liquid of tealeaves, after leaving standstill 1h, carries out the filtered liquid that secondary filtration obtains tealeaves, utilize the method for underpressure distillation by the filtered liquid evaporation concentration to 3 liter of tealeaves, namely obtain tea natural dyestuff.
Embodiment 4:
(1) fabric of real silk material put in water soak into, take out directly extract stand-by;
(2) mass mixing of tea natural dyestuff and water is mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 30% of whole tealeaves dye liquor quality, and dye liquor pH value is adjusted to 7, control the temperature of tealeaves dye liquor at 50 DEG C, fabric is put into tealeaves dye liquor, make the fixing fabric structure of the volume of fabric and tender Folium Evodiae trichotomae dyestuff maintain 1h at 1:60, after having contaminated, take out and use clean water, then dry.
(3) above-mentioned dyeing sample is oyster.
Embodiment 5:
(1) fabric of wool material put in water soak into, take out directly extract stand-by;
(2) mass mixing of tea natural dyestuff and water is mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 50% of whole tealeaves dye liquor quality, and dye liquor pH value is adjusted to 8, control the temperature of tealeaves dye liquor at 40 DEG C, fabric is put into tealeaves dye liquor, make the fixing fabric structure of the volume of fabric and tender Folium Evodiae trichotomae dyestuff maintain 1h at 1:30, after having contaminated, take out and use clean water, then dry.
(3) above-mentioned dyeing sample is green.
Embodiment 6:
(1) fabric of real silk material put in water soak into, take out directly extract stand-by;
(2) mass mixing of tea natural dyestuff and water is mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 70% of whole tealeaves dye liquor quality, and dye liquor pH value is adjusted to 9, control the temperature of tealeaves dye liquor at 30 DEG C, fabric is put into tealeaves dye liquor, make the fixing fabric structure of the volume of fabric and tender Folium Evodiae trichotomae dyestuff maintain 1h at 1:100, after having contaminated, take out and use clean water, then dry.
(3) above-mentioned dyeing sample is deep green.
Embodiment 7:
(1) fabric of real silk material put in water soak into, take out directly extract stand-by;
(2) mass mixing of tea natural dyestuff and water is mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 40% of whole tealeaves dye liquor quality, and dye liquor pH value is adjusted to 8, control the temperature of tealeaves dye liquor at 50 DEG C, fabric is put into tealeaves dye liquor, make the fixing fabric structure of the volume of fabric and tender Folium Evodiae trichotomae dyestuff maintain 1h at 1:10, after having contaminated, take out and use clean water, then dry.
(3) with reference to E2149-01 " fixing the standard test methods of antibacterial antiplaque agent determination of activity under dynamic Contact condition ", record DYED FABRICS and 94.10%, 89.35% is respectively to streptococcus aureus, colibacillary bacteriostasis rate.
Embodiment 8:
(1) fabric of real silk material put in water soak into, take out directly extract stand-by;
(2) mass mixing of tea natural dyestuff and water is mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 50% of whole tealeaves dye liquor quality, and dye liquor pH value is adjusted to 8.5, control the temperature of tealeaves dye liquor at 40 DEG C, fabric is put into tealeaves dye liquor, make the fixing fabric structure of the volume of fabric and tender Folium Evodiae trichotomae dyestuff maintain 1h at 1:40, after having contaminated, take out and use clean water, then dry.
(3) with reference to E2149-01 " fixing the standard test methods of antibacterial antiplaque agent determination of activity under dynamic Contact condition ", record DYED FABRICS and 93.02%, 87.69% is respectively to streptococcus aureus, colibacillary bacteriostasis rate.
Embodiment 9:
(1) fabric of real silk material put in water soak into, take out directly extract stand-by;
(2) mass mixing of tea natural dyestuff and water is mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 60% of whole tealeaves dye liquor quality, and dye liquor pH value is adjusted to 9, control the temperature of tealeaves dye liquor at 30 DEG C, fabric is put into tealeaves dye liquor, make the fixing fabric structure of the volume of fabric and tender Folium Evodiae trichotomae dyestuff maintain 1h at 1:60, after having contaminated, take out and use clean water, then dry.
(3) with reference to E2149-01 " fixing the standard test methods of antibacterial antiplaque agent determination of activity under dynamic Contact condition ", record DYED FABRICS and 96.95%, 90.22% is respectively to streptococcus aureus, colibacillary bacteriostasis rate.
Claims (4)
1. a preparation technology for tea natural dyestuff, comprises the following steps:
(1) tealeaves cleaned, dry, utilize machinery to be pulverized by tealeaves and obtain tea leaf powder, get the tea leaf powder of 1kg;
(2) 15kg temperature is 100 DEG C and pH value 6.5 ~ 7.5 aqueous ethanolic solution pour in 1kg tea leaf powder, stir, after sealing and standing, temperature is remained on 20 ~ 30 DEG C, insulation 10 ~ 15min, cold filtration obtains a filtered liquid of tealeaves, after leaving standstill 1h, carry out the filtered liquid that secondary filtration obtains tealeaves;
(3) utilize the method for underpressure distillation by the filtered liquid evaporation concentration to 3 liter of tealeaves, obtain tea natural dyestuff.
2. the preparation technology of a kind of tea natural dyestuff according to claim 1, is characterized in that: in described aqueous ethanolic solution, the concentration of ethanol is 20% ~ 40%.
3. utilize the tea natural dyestuff described in claim 1 fabric to be carried out to a method for substantive dyeing, comprise the following steps:
(1) tea natural dyestuff and water are mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 30% ~ 70% of whole tealeaves dye liquor quality, and regulates dye liquor pH value 8 ~ 9;
(2) fabric of real silk or wool material is put into water, it is made to absorb moisture fully, extract and put into tealeaves dye liquor after taking out fabric and dye, the mass ratio making fabric and dye liquor is 1:10 ~ 60, and needs temperature to be controlled to maintain 1h at 30 ~ 50 DEG C;
(3), after having contaminated, use clean water, then dry.
4. utilize the tea natural dyestuff described in claim 1 to carry out an antibacterial method to fabric, comprise the following steps:
(1) tea natural dyestuff and water are mixed with tealeaves dye liquor, wherein tea natural dyestuff accounts for 40% ~ 60% of whole tealeaves dye liquor quality, and regulates dye liquor pH value 8 ~ 9;
(2) fabric of real silk or wool material is put into water, it is made to absorb moisture fully, extract and put into tealeaves dye liquor after taking out fabric and dye, the mass ratio making fabric and dye liquor is 1:10 ~ 60, and needs temperature to be controlled to maintain 1h at 30 ~ 50 DEG C;
(3), after having contaminated, use clean water, then dry.
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104894896A (en) * | 2015-06-10 | 2015-09-09 | 中国农业科学院茶叶研究所 | Method for dyeing silk with natural red series tea dye |
| CN105177818A (en) * | 2015-10-22 | 2015-12-23 | 江苏阳光股份有限公司 | Manufacturing method of milk fiber containing woolen fabric |
| CN105401296A (en) * | 2015-10-22 | 2016-03-16 | 江苏阳光股份有限公司 | Manufacturing method for wool spinning fabric containing soybean fibers |
| CN106564328B (en) * | 2016-11-11 | 2017-11-24 | 南浔善琏鑫婷笔庄 | A kind of writing brush bristles natural dyeing method |
| CN106967305A (en) * | 2017-03-21 | 2017-07-21 | 巍山县民族工艺服装厂 | A kind of preparation method of plant dyeing liquid |
| CN108504132A (en) * | 2018-01-16 | 2018-09-07 | 浙江海明实业有限公司 | One plant tea contaminates the preparation method and colouring method of vegetable colour |
| CN109162116A (en) * | 2018-07-24 | 2019-01-08 | 黎平县侗品源旅游商品服务有限责任公司 | A kind of manufacture craft of tealeaves dyeing |
| CN109837773A (en) * | 2019-01-30 | 2019-06-04 | 欣龙控股（集团）股份有限公司 | A kind of dark brown spunlace non-woven material of tea perfume and preparation method thereof |
| CN109944090A (en) * | 2019-03-20 | 2019-06-28 | 珠海建轩服装有限公司 | The increasing depth gradual change dyeing method and printed fabrics of natural dye |
| CN110256865A (en) * | 2019-05-09 | 2019-09-20 | 武汉职业技术学院 | Natural tea polyphenol dyestuff and its extracting method and application in a kind of Iron Guanyin tea stalk |
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