CN102911517A - Preparation method and usage of special tea dye for silk - Google Patents
Preparation method and usage of special tea dye for silk Download PDFInfo
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- CN102911517A CN102911517A CN2012104237553A CN201210423755A CN102911517A CN 102911517 A CN102911517 A CN 102911517A CN 2012104237553 A CN2012104237553 A CN 2012104237553A CN 201210423755 A CN201210423755 A CN 201210423755A CN 102911517 A CN102911517 A CN 102911517A
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Abstract
The invention provides a preparation method and usage of special tea dye for silk. The method comprises the steps of making tea for dye through instant fixation, cell disruption, low temperature storage or rapid drying with fresh tea leaves, taking alkalescent salt or alcohol as a solvent, extracting silk tea dye with the tea polyphenol content greater than 0.3% from the tea for the dye, selecting appropriate dyeing conditions, and dyeing the silk with the dye. According to the method, the tea shape can be faded so that the cost can be lowered; the tea dye can be combined with a mordanting assistant on a fibre for color fixation; the color fastness can be improved; summer and autumn tea resources can be utilized to research and develop tea dye silk fabrics which are environment-friendly and have simple, unsophisticated and quietly elegant colors as well as antibacterial and uvioresistant functions; the market prospect is wide; great economic benefits can be produced; and great social benefits can also be achieved.
Description
Technical field
The invention belongs to field of deep tea processing technology, relate to the preparation method of the special-purpose tealeaves dyestuff of a kind of silk.
Background technology
China is the tealeaves place of origin, and tea culture is with a long history.In recent years, the planting scale of tealeaves constantly enlarges, and tea yield increases thereupon.According to statistics, China's tea yield in 2011 and the output value occupy the No. 1 in the world.Tealeaves not only has very high product drink and is worth, and also possesses certain nourishing function.Thereby, except brewing with the tea, also develop the tealeaves product innovation at present, contain tea makeup that cakes and sweetmeats product, beauty treatment preserve youthful looks and the dark tea textiles of liking of health environment-friendly personage etc. such as the instantaneity tea drink that favored by the human consumer, tea cake etc.The successful research and development of these tealeaves end products have prolonged the tea industrial chain, and the sustainable and healthy development that can be the tea industry provides safeguard.
Tea dyes and is under the jurisdiction of plant dyeing technique, and the textiles color of tealeaves dyeing is simple and elegant, simple and unsophisticated, also with tea smell.External as the states such as Japan, Korea S have have all researched and developed the textiless such as tea delivery towel, tea socks, tea underwear, still are in the exploratory stage but the relevant tea of China dyes research.When tea pigment directly dyed silk, dye uptake was low, colour fastness is poor (Han Li cuckoo etc., 2010); During tea-polyphenol genonema fabric, adopt mordant to help and dye, can promote tinctorial quality (Yang Cheng etc., 2010; Qian Hong flies, and 2012).Above-mentioned studies show that, tea leaf extract can be used to the silk that dyes, and has certain anti-ultraviolet function.But tealeaves is not high as the market cognition degree of dyestuff so far, mainly is that the progress that relevant tea dyes the aspect is slow because tea is not deep enough with subject crossing, the infiltration of weaving, causes the special-purpose tea of the dyestuff scale of failing to be gone on the market.Therefore, preparing the special-purpose tealeaves dyestuff of silk take the bright leaf of tea as raw material, is the development trend that meets natural plant dye, also is that machine is adopted the efficient new route that utilizes of summer autumn tea.
Summary of the invention
The preparation method who the purpose of this invention is to provide the special-purpose tealeaves dyestuff of a kind of silk.By tea being dyed the test of the effects such as silk colour fastness, antibacterial and uvioresistant, find that its colour fastness is good, and have antibiotic, anti-ultraviolet function.
The present invention is achieved through the following technical solutions: at first being that the bright leaf of tea is made dyestuff tea through processing such as fixation, cytoclasises, secondly is according to the painted requirement of silk, carries out dyestuff alcohol extracting or alkali and carries.
The inventive method realizes by following steps:
(1) dyestuff is with the preparation of tea: get the bright leaf of tea that appropriateness spreads, prepare in season leaf and adopt the TRANSIENT HIGH TEMPERATURE fixation, color fixing temperature at 200 ℃-300 ℃, fixation time at 0.5 min-3.0 min, carry out rapidly the airing cooling after the fixation, rub and cut, then 0 ℃-10 ℃ lower storages or quick dewatering drying, namely get dyestuff tea.
(2) extract the special-purpose tealeaves dyestuff of silk: according to the painted requirement of silk, be the weakly alkaline salt of 1%-4% and extraction using alcohol silk special use tealeaves dyestuff that volume ratio is 30%-70% with mass ratio respectively.Wherein the feed liquid mass ratio is 1:10-1:40, and extracting temperature is 30 ℃-100 ℃, and extraction time is 10 min-50 min.
(3) concentrated tealeaves dye liquor: the tealeaves dyestuff that enrichment step (2) obtains makes polyphenol content more than 0.3%.Then add aluminium salt or mantoquita mordant, at 40 ℃-80 ℃ lower dyeing 30min-120 min, can take out rinsing, dry.
The used tea raw material of the present invention is the bright leaf of the tea of summer and autumn.
Another object of the present invention provides a kind of application of preparation method in the silk dyestuff of silk specialty tealeaves dyestuff.
Certain progress has been got in the research work of the extraction of tealeaves dyestuff and dyeing aspect, but perfect not enough.During the characterization of adsorption of research tealeaves dyestuff on silk, be mostly to replace the tealeaves dyestuff with tea-polyphenol, yet the component of tealeaves dyestuff singly not tea-polyphenol to also have catechin, theoflavin, thearubigins etc.These materials can both be combined with mordanting assistants on fiber, and then fixation.And can be because of the difference of auxiliary agent kind different form and aspect, promote colour fastness.The present invention points out that used tea raw material is the bright leaf of tea of summer and autumn, and dyestuff can be desalinated the tealeaves profile with the processing of tea, but thereby Cost reduction; Poisonous chemical reagent is not used in the extraction of the special-purpose tealeaves dyestuff of silk, and discarded tea grounds can biological degradation, thereby is a kind of environmental protection method for making; Tea dyes and can utilize existing dyeing installation, need not to acquire new installation; Be applied to the safety in production of textile industry, can produce in a large number.The present invention efficiently utilizes summer autumn tea resource, research and develop environment amenable, color simple and unsophisticated simple and elegant, have tea antibiotic, anti-ultraviolet function and dye silk goods, market outlook are wide, can not only produce very large economic benefit, also can obtain great social benefit simultaneously.
Embodiment
The present invention is further described in conjunction with the embodiments.
Embodiment 1: the bright leaf of tea at 200 ℃ of lower fixation 2.0min, is then rubbed and cut, directly add extraction using alcohol tealeaves dyestuff.Solid-liquid ratio during extraction (weight ratio), extraction temperature and extraction time are controlled at respectively 1:20,50 ℃ and 30 min, filter after lixiviate finishes, and make in the dye liquor polyphenol content more than 0.3%; By bath raio 1:20 preparation dye liquor, make silk fabrics at 50 ℃ of lower dyeing 1 h again, dyeing 1 h in 0.6% aluminium salt mordanting bath cleans with pure water at last again, dries into the yellow-green colour silk goods.
Embodiment 2: the bright leaf of tea at 240 ℃ of lower fixation 1.0min, is then rubbed and cut, directly add extraction using alcohol tealeaves dyestuff.Solid-liquid ratio is that weight ratio, extraction temperature and extraction time are controlled at respectively 1:15,60 ℃ and 30 min during extraction, filters after lixiviate finishes, and makes in the dye liquor polyphenol content more than 0.3%; By bath raio 1:20 preparation dye liquor, make silk fabrics at 50 ℃ of lower dyeing 1 h again, dyeing 1 h in 0.6% aluminium salt mordanting bath cleans with pure water at last again, dries into the yellow-green colour silk goods.
Embodiment 3: the bright leaf of tea at 220 ℃ of lower fixation 1.5min, is then rubbed and cut, directly add sodium carbonate extraction tealeaves dyestuff.Solid-liquid ratio is that weight ratio, extraction temperature and extraction time are controlled at respectively 1:20,60 ℃ and 35 min during extraction, filters after lixiviate finishes, and polyphenol content is more than 0.3% in the dye liquor; By bath raio 1:20 preparation dye liquor, make silk fabrics at 60 ℃ of lower dyeing 1 h again, dyeing 1 h in 0.6% mantoquita mordanting bath cleans with pure water at last again, dries into the champagne silk goods.
Embodiment 4: the bright leaf of tea at 300 ℃ of lower fixation 0.5min, is then rubbed and cut, directly add sodium carbonate extraction tealeaves dyestuff.Solid-liquid ratio is that weight ratio, extraction temperature and extraction time are controlled at respectively 1:30,60 ℃ and 25 min during extraction, filters after lixiviate finishes, and polyphenol content is more than 0.3% in the dye liquor; By bath raio 1:20 preparation dye liquor, make silk fabrics at 60 ℃ of lower dyeing 1 h again, dyeing 1 h in 0.6% mantoquita mordanting bath cleans with pure water at last again, dries into the champagne silk goods.
The tea that embodiment 1-4 is obtained dyes silk fabrics and carries out antibacterial ability, anti-uv-ray and colour fastness test, and the result is referring to table 1, table 2.
Annotate: the anti-microbial property that tea dyes silk fabrics detects by GB/T 20944.3-2008 method, and washable and colour fastness to rubbing presses respectively GB/T3921-2008 and the GB/T3920-2008 method is measured.
Can find out from table 1 and table 2, tea dyes silk fabrics and not only has antibiotic effect, also have very strong anti-uv-ray, and colour fastness is good.
Claims (4)
1. the preparation method of the special-purpose tealeaves dyestuff of silk is characterized in that, is achieved through the following technical solutions:
(1) dyestuff is with the preparation of tea: get the bright leaf of tea, adopt the TRANSIENT HIGH TEMPERATURE fixation, color fixing temperature, then carried out the airing cooling, rubs and cut at 0.5 minute-3.0 minutes at 200 ℃-300 ℃, fixation time, then 0 ℃-10 ℃ lower storages or quick dewatering drying, namely get dyestuff tea;
(2) extract the special-purpose tealeaves dyestuff of silk: according to the painted requirement of silk, be the special-purpose tealeaves dyestuff of the weakly alkaline salt of 1%-4% and extraction using alcohol silk that volume ratio is 30%-70% with mass ratio respectively, wherein the feed liquid mass ratio is 1:10-1:40, extracting temperature is 30 ℃-100 ℃, and extraction time is 10 minutes-50 minutes;
(3) concentrated tealeaves dye liquor: the tealeaves dyestuff that enrichment step (2) obtains, make polyphenol content more than 0.3%, then add aluminium salt or mantoquita mordant, 40 ℃-80 ℃ lower dyeing 30 minutes-120 minutes, can take out rinsing, dry.
2. the preparation method of the special-purpose tealeaves dyestuff of a kind of silk according to claim 1 is characterized in that, the bright leaf of tea that the used bright leaf of tea of step (1) is summer and autumn.
3. the preparation method of the special-purpose tealeaves dyestuff of a kind of silk according to claim 1 is characterized in that, described step (2) weakly alkaline salt is selected yellow soda ash.
4. the application of preparation method according to claim 1 in the silk dyestuff.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360784A (en) * | 2013-07-16 | 2013-10-23 | 南通大学 | Broadbean pericarp dye and extraction method and application thereof |
| CN104031402A (en) * | 2014-06-17 | 2014-09-10 | 徐宏伟 | Preparation process and application of natural tea dye |
| CN104389201A (en) * | 2014-11-14 | 2015-03-04 | 安徽宏祥丝绸织造有限公司 | Silk dyeing auxiliary |
| 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 |
| CN105780533A (en) * | 2016-03-11 | 2016-07-20 | 南通大学 | Dyeing method for textile containing enzymatic tea pigments |
| CN106928746A (en) * | 2017-04-28 | 2017-07-07 | 赵云国 | A kind of preparation method of natural Dragon Well tea Tea Pigment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360784A (en) * | 2013-07-16 | 2013-10-23 | 南通大学 | Broadbean pericarp dye and extraction method and application thereof |
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| CN104031402B (en) * | 2014-06-17 | 2016-02-03 | 徐宏伟 | A kind of preparation technology of tea natural dyestuff and application thereof |
| CN104389201A (en) * | 2014-11-14 | 2015-03-04 | 安徽宏祥丝绸织造有限公司 | Silk dyeing auxiliary |
| CN104389201B (en) * | 2014-11-14 | 2016-06-08 | 安徽宏祥丝绸织造有限公司 | A kind of silk dyeing auxiliary |
| 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 |
| CN105780533A (en) * | 2016-03-11 | 2016-07-20 | 南通大学 | Dyeing method for textile containing enzymatic tea pigments |
| CN106928746A (en) * | 2017-04-28 | 2017-07-07 | 赵云国 | A kind of preparation method of natural Dragon Well tea Tea Pigment |
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Application publication date: 20130206 |