CN109505153A - A kind of efficient tea dyeing method - Google Patents
A kind of efficient tea dyeing method Download PDFInfo
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- CN109505153A CN109505153A CN201811423108.6A CN201811423108A CN109505153A CN 109505153 A CN109505153 A CN 109505153A CN 201811423108 A CN201811423108 A CN 201811423108A CN 109505153 A CN109505153 A CN 109505153A
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- tea
- dye liquor
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/34—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using natural dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2011—Application of vibrations, pulses or waves for non-thermic purposes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
A kind of efficient tea dyeing method；Include: one, tea raw material is dried to moisture content less than 7%, and is ground into the super fine tea powder of 300 ~ 800 mesh；Two, add water, tea-water proportion 1:50 ~ 80 in tea powder, and be uniformly mixed；Mixed liquor is placed in ultrasonoscope and carries out dye liquor preparation, 50 ~ 80KHz of frequency, 40 ~ 60min of time, 70 ~ 80 DEG C of temperature；By the mixed liquor cooling after ultrasound and tea dye liquor is obtained by filtration；Three, the acid solution of 1 ~ 3%wt is added in tea dye liquor, makes tea dye liquor pH value 3.5 ~ 4.5；Four, fabric to be contaminated is put into tea dye liquor, bath raio is 1:40 ~ 50, then is placed in ultrasonoscope, 50 ~ 80KHz of frequency, 5 ~ 10min of time, 70 ~ 80 DEG C of temperature；Five, the fabric that ultrasound was impregnated is taken out from tea dye liquor, first microwave drying dyeing, 0.1 ~ 5W/g of power, 1 ~ 3 min of time, then far-infrared ray drying 1 ~ 3min of fixation, 500 ~ 800 W of power, 60 ~ 80 DEG C of temperature.The present invention has the advantages that natural environmental-protective, energy-efficient and color fastness are high.
Description
Technical field
The present invention relates to textile dyeing technical fields, and in particular to a kind of efficient, environmentally protective, no chemical residues fabrics
Tea dyeing method.
Background technique
In recent years, with the enhancing of people's awareness of environment protection and health, people gradually recognize that chemical dye is good for human body
Health and harm to environment are increasingly becoming popular trend using vegetable colour.
Tealeaves, not only nutritional ingredient rich in, but also have containing tea polyphenols, tea polysaccharide, Tea Pigment etc. are a variety of
The ingredient of healthcare function, in addition tealeaves also has unique faint scent, therefore, dyed using tealeaves, can not only make fabric
Green natural environmental protection, smell can also make one to refresh the mind, and can expelling worms and preventing moth, while also there is uvioresistant, protection skin
The effects of skin.
Currently, the preparation of tea dye liquor is mainly by boiling extraction for fresh tea leaves or dry tea into the water, but this biography
The Tea Pigment dissolution for way of uniting is limited, cannot make full use of the pigment in tealeaves, will cause the wasting of resources.Meanwhile conventional tea contaminates
Method takes a long time, consuming energy, and degree of fixation is not high, poor color fastness, also big in order to improve the mordant that coloring effect uses
All based on metallic compound, residual is be easy to cause to be harmful to human health, the process of dyeing can also cause damages to environment.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the project of the invention to be researched and solved.
Summary of the invention
The object of the present invention is to provide a kind of efficient tea dyeing methods.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of efficient tea dyeing method；The following steps are included:
Step 1: preparing tea leaf powder
Tea raw material is dried to moisture content less than 7%, and the tea raw material is ground into 300 by a micronizer ~
The super fine tea powder of 800 mesh；
Step 2: ultrasonic wave auxiliary prepares tea dye liquor
Add water, tea-water proportion 1:50 ~ 80 in tea powder, and is uniformly mixed；
Mixed liquor is placed in a ultrasonoscope progress dye liquor preparation, ultrasonic frequency when preparation is 50 ~ 80KHz, when ultrasonic
Between be 40 ~ 60min, ultrasonic temperature be 70 ~ 80 DEG C；
It by the mixed liquor cooling after ultrasound and filters, it is spare to obtain tea dye liquor；
Step 3: acid processing
The acid solution of 1 ~ 3%wt is added in the tea dye liquor, makes the pH value of tea dye liquor between 3.5 ~ 4.5；
Step 4: ultrasonic pre-dyed
Fabric to be contaminated is put into the tea dye liquor after acid processing, bath raio is 1:40 ~ 50, is placed in the ultrasonoscope
In, ultrasonic frequency is 50 ~ 80KHz, and ultrasonic time is 5 ~ 10min, and ultrasonic temperature is 70 ~ 80 DEG C；
Step 5: microwave coupling far infrared dyes
The fabric that ultrasound was impregnated is taken out from tea dye liquor, moisture state but no bright water is kept, is first placed in microwave drying oven
In dyed, microwave power be 0.1 ~ 5W/g, 1 ~ 3 min of microwave time, be then placed within fixation 1 in far infrared drying oven ~
3min, far infrared power are 500 ~ 800 W, and temperature is 60 ~ 80 DEG C.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, in step 1, the tea raw material selects fresh tea leaves；
The fresh tea leaves are dry by freeze-drying United microwave, make moisture content less than 7%.
2. in above scheme, the dry program of the freeze-drying United microwave is as follows:
By the fresh tea leaves under the conditions of -15 ~ -20 DEG C of temperature 1.5 ~ 2.5h of pre-freeze, be subsequently placed in a freeze drier and carry out
Freeze-drying process；
When freeze-drying process, the temperature of the freeze drier is first set in -3 ~ -7 DEG C, carries out distillation 3 ~ 4h of processing, then
Temperature is set to 3 ~ 7 DEG C, carries out dissection process, parses 2 ~ 3h of time；
After the completion of freeze-drying process, the fresh tea leaves are taken out from freeze drier, be placed in a microwave drying oven into
Row microwave drying treatment；
When microwave drying treatment, the microwave drying oven is dried fresh tea passes according to the power of 5 ~ 10W/g, and drying time is
5 ~ 8min makes the moisture content of the fresh tea leaves less than 7%.
3. in above scheme, in step 3, the acid solution is acetic acid.
4. in above scheme, further includes:
Step 6: shakeouing
After completing dyeing, by textile finishing, shakeout.
The working principle of the invention and advantage are as follows:
A kind of efficient tea dyeing method of the present invention, has the characteristics that natural environmental-protective, energy-efficient and color fastness are high, main flow packet
It includes: tea powder preparation, dye liquor preparation, acid processing, ultrasonic pre-dyed, the dyeing of microwave coupling far infrared.It, can through tea dyeing technique of the invention
To greatly shorten the tea dye time, energy consumption is reduced, tea is improved and contaminates effect, to obtain natural environmental-protective, safety without chemical reagent
The tea dyeing and weaving object of residual, colour stable.
It will not be damaged in dyeing course by the fabric that above-mentioned steps of the present invention dye, properties of product are excellent, day
So harmless, having the corresponding healthcare function of tealeaves, for example uvioresistant, insect prevention are mothproof, refresh the mind, but also can have uniqueness
Tealeaves faint scent.
The present invention does not use metal salt mordant, will not generate chemical residual, will not pollute the environment.It can effectively drop
Low dyeing cost, increases economic efficiency.Meanwhile not will cause energy waste, environment will not be polluted, there is energy-saving ring
The characteristics of guarantor, be following tea dye clean, be efficient, industrialization and Standardization Development direction.
The present invention can also be used in combination different vegetable colour and health-care components, be configured to according to needs of production
Different colours research and develop riotous with colour and plurality of health care functions fabric.
Specific embodiment
The present invention will be further described below with reference to examples:
Embodiment: a kind of efficient tea dyeing method is illustrated by taking silk fabrics as an example.The following steps are included:
Step 1: preparing tea leaf powder
Tea raw material is dried to moisture content less than 7%, and the tea raw material is ground into 300 by a micronizer ~
The super fine tea powder of 800 mesh；The micronizer is the prior art, can be obtained for those skilled in the art.
The optional fresh tea leaves of tea raw material or expired tealeaves, discarded tea grounds；If not considering cost, higher dye is pursued
Color effect, then select fresh tea leaves；If having no excessively high requirement to dyeing effect, relatively inexpensive expired tealeaves also may be selected, give up
Abandon tea grounds.Wherein, the selection of fresh tea leaves is also possible to the tea tree branches and leaves obtained when trimming tea tree, or has not enough time to the fresh of processing
Leaf.
If the tea raw material selects fresh tea leaves, the fresh tea leaves are dry by freeze-drying United microwave, make moisture
Content is less than 7%.The dry program of the freeze-drying United microwave is as follows: first by the fresh tea leaves in -15 ~ -20 DEG C of temperature conditions
1.5 ~ 2.5h of lower pre-freeze, is subsequently placed in a freeze drier and carries out freeze-drying process；It, first will be described when freeze-drying process
The temperature of freeze drier is set in -3 ~ -7 DEG C, carries out distillation 3 ~ 4h of processing, then temperature is set to 3 ~ 7 DEG C, carries out at parsing
Reason parses 2 ~ 3h of time；After the completion of freeze-drying process, the fresh tea leaves are taken out from freeze drier, it is micro- to be placed in one
Microwave drying treatment is carried out in wave drying box；When microwave drying treatment, the microwave drying oven is according to the power of 5 ~ 10W/g to fresh
Tealeaves is dried, and drying time is 5 ~ 8min, makes the moisture content of the fresh tea leaves less than 7%.
The chlorophyll of tealeaves after drying can be made to keep the 70% ~ 80% of fresh sample in this way, be conducive to subsequent dyeing, after dry
Fresh tea leaves are more suitable for the coloration requirements that some greens are silk goods.
Step 2: ultrasonic wave auxiliary prepares tea dye liquor
Add water, tea-water proportion 1:50 ~ 80(weight ratio in tea powder), and be uniformly mixed；
Mixed liquor is placed in a ultrasonoscope progress dye liquor preparation, ultrasonic frequency when preparation is 50 ~ 80KHz, when ultrasonic
Between be 40 ~ 60min, ultrasonic temperature be 70 ~ 80 DEG C；
It by the mixed liquor cooling after ultrasound and filters, it is spare to obtain tea dye liquor；
By ultrasonic wave assisted extraction pigment, using the high vibration of ultrasonic wave, increase pressure and temperature in minimum range
Degree, moment increase the kinetic energy of molecule, so that the coloring matter be conducive in tea powder is spread into water, are more advantageous to Tea Pigment
Dissolution improves resource utilization.
In addition, tea powder slag can reuse, to save cost.
Step 3: acid processing
The acid solution of 1 ~ 3%wt is added in the tea dye liquor, makes the pH value of tea dye liquor between 3.5 ~ 4.5；
Citric acid, ascorbic acid, malic acid, acetum or mixed solution can be selected in the acid solution, is all food production
In additive, it is nontoxic, guarantee that silk goods to the safety of human body, while will not pollute ecological environment.
The preferred acetic acid of acid solution, because acetic acid can be increased with temperature and be volatilized, no in subsequent dyeing course
It can remain in silk goods, more can guarantee the security performance of silk goods.
Step 4: ultrasonic pre-dyed
Silk goods to be contaminated are put into the tea dye liquor after acid processing, bath raio is 1:40 ~ 50, is placed in the ultrasonic wave
In instrument, ultrasonic frequency is 50 ~ 80KHz, and ultrasonic time is 5 ~ 10min, and ultrasonic temperature is 70 ~ 80 DEG C；
By ultrasonic wave pre-dyed, Tea Pigment is attached to silk fabrics surface using ultrasonic activation.It is far red by microwave coupling
Outer dyeing, Tea Pigment can be quickly through the silks in the bonding patterns such as hydrogen bond, hydrophobic bond, ionic bond and covalent bond and silk fabrics
Protein binding, and promote the deep oxidation of tea polyphenols, polymerization, therefore dyefastness increases, darkens.Dye is greatly shortened simultaneously
The color time reduces energy waste, improves coloring effect, and resistance to dry color fastness and moisture-proof colorfastness to rubbing all reach 5 grades, while advantageous
Automation, mechanization are realized in tea dyeing technique.
Step 5: microwave coupling far infrared dyes
The silk fabrics that ultrasound was impregnated is taken out from tea dye liquor, keeps moisture state but no bright water, is first placed in microwave drying
Dyed in case, microwave power is the dry weight of 0.1 ~ 5W/g(silk fabrics), 1 ~ 3 min of microwave time is then placed within remote red
1 ~ 3min of fixation in outer drying box, far infrared power are 500 ~ 800 W, and temperature is 60 ~ 80 DEG C；
Microwave technology has many advantages, such as that the thermal efficiency is high, temperature is uniform, but receives the influence of silk fabrics and dye component, is easy
Color is uneven, and if power control it is improper, silk fabrics can be made impaired.Far infrared drying technology not only can be more uniform
Colouring, but also can be impaired to avoid silk goods.Microwave coupling far infrared is highly efficient, energy saving, the fast, efficiency with speed
Height, uniform feature of painting, automation easy to accomplish.When far infrared dyes, heat is entered inside silk fabrics with radiation forms, is led
It causes Tea Pigment molecule to generate resonance, and generates thermal energy rapidly, be conducive to uniformly paint, while the compound in Tea Pigment can be made
It converts, generates aromatic substance.Therefore using the heating of microwave coupling far infrared, it can be achieved that rapid dyeing, makes silk fabrics table
Reveal preferable performance, silk fabrics colouring is preferable and strongly fragrant.
Step 6: shakeouing
After completing dyeing, silk fabrics is arranged, is shakeout；Static waiting storage is shakeout, silk fabrics desiccation after fixation,
There is no need to dry again, process is saved, improves efficiency.
The present invention has the characteristics that natural environmental-protective, energy-efficient and color fastness are high, and main flow includes: tea powder preparation, dye
Liquid preparation, acid processing, ultrasonic pre-dyed, the dyeing of microwave coupling far infrared.Through tea dyeing technique of the invention, tea dye can be greatly shortened
Time reduces energy consumption, improves tea and contaminates effect, to obtain natural environmental-protective, safety without chemical agent residue, colour stable
Tea dyeing and weaving object.
It will not be damaged in dyeing course by the fabric that above-mentioned steps of the present invention dye, properties of product are excellent, day
So harmless, having the corresponding healthcare function of tealeaves, for example uvioresistant, insect prevention are mothproof, refresh the mind, but also can have uniqueness
Tealeaves faint scent.
The present invention does not use metal salt mordant, will not generate chemical residual, will not pollute the environment.It can effectively drop
Low dyeing cost, increases economic efficiency.Meanwhile not will cause energy waste, environment will not be polluted, there is energy-saving ring
The characteristics of guarantor, be following tea dye clean, be efficient, industrialization and Standardization Development direction.
In addition, the present invention can also be used in combination different vegetable colour and health-care components, match according to needs of production
Different colours are set to, riotous with colour and plurality of health care functions fabric is researched and developed.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of efficient tea dyeing method；It is characterized by comprising following steps:
Step 1: preparing tea leaf powder
Tea raw material is dried to moisture content less than 7%, and the tea raw material is ground into 300 by a micronizer ~
The super fine tea powder of 800 mesh；
Step 2: ultrasonic wave auxiliary prepares tea dye liquor
Add water, tea-water proportion 1:50 ~ 80 in tea powder, and is uniformly mixed；
Mixed liquor is placed in a ultrasonoscope progress dye liquor preparation, ultrasonic frequency when preparation is 50 ~ 80KHz, when ultrasonic
Between be 40 ~ 60min, ultrasonic temperature be 70 ~ 80 DEG C；
It by the mixed liquor cooling after ultrasound and filters, it is spare to obtain tea dye liquor；
Step 3: acid processing
The acid solution of 1 ~ 3%wt is added in the tea dye liquor, makes the pH value of tea dye liquor between 3.5 ~ 4.5；
Step 4: ultrasonic pre-dyed
Fabric to be contaminated is put into the tea dye liquor after acid processing, bath raio is 1:40 ~ 50, is placed in the ultrasonoscope
In, ultrasonic frequency is 50 ~ 80KHz, and ultrasonic time is 5 ~ 10min, and ultrasonic temperature is 70 ~ 80 DEG C；
Step 5: microwave coupling far infrared dyes
The fabric that ultrasound was impregnated is taken out from tea dye liquor, moisture state but no bright water is kept, is first placed in microwave drying oven
In dyed, microwave power be 0.1 ~ 5W/g, 1 ~ 3 min of microwave time, be then placed within fixation 1 in far infrared drying oven ~
3min, far infrared power are 500 ~ 800 W, and temperature is 60 ~ 80 DEG C.
2. according to the method described in claim 1, it is characterized by: the tea raw material selects fresh tea leaves in step 1；
The fresh tea leaves are dry by freeze-drying United microwave, make moisture content less than 7%.
3. according to the method described in claim 2, it is characterized by:
The dry program of the freeze-drying United microwave is as follows:
By the fresh tea leaves under the conditions of -15 ~ -20 DEG C of temperature 1.5 ~ 2.5h of pre-freeze, be subsequently placed in a freeze drier and carry out
Freeze-drying process；
When freeze-drying process, the temperature of the freeze drier is first set in -3 ~ -7 DEG C, carries out distillation 3 ~ 4h of processing, then
Temperature is set to 3 ~ 7 DEG C, carries out dissection process, parses 2 ~ 3h of time；
After the completion of freeze-drying process, the fresh tea leaves are taken out from freeze drier, be placed in a microwave drying oven into
Row microwave drying treatment；
When microwave drying treatment, the microwave drying oven is dried fresh tea passes according to the power of 5 ~ 10W/g, and drying time is
5 ~ 8min makes the moisture content of the fresh tea leaves less than 7%.
4. according to the method described in claim 1, it is characterized by: the acid solution is acetic acid in step 3.
5. according to the method described in claim 1, it is characterized by also including:
Step 6: shakeouing
After completing dyeing, by textile finishing, shakeout.
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| CN201811423108.6A CN109505153A (en) | 2018-11-27 | 2018-11-27 | A kind of efficient tea dyeing method |
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