CN108943263A - A kind of supercritical carbon-dioxicle dyeing method of purple willow item - Google Patents
A kind of supercritical carbon-dioxicle dyeing method of purple willow item Download PDFInfo
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- CN108943263A CN108943263A CN201810363244.4A CN201810363244A CN108943263A CN 108943263 A CN108943263 A CN 108943263A CN 201810363244 A CN201810363244 A CN 201810363244A CN 108943263 A CN108943263 A CN 108943263A
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- purple willow
- supercritical carbon
- willow item
- dyeing method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/02—Staining or dyeing wood; Bleaching wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/025—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
- B27K5/0065—Ultrasonic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Coloring (AREA)
Abstract
The invention discloses a kind of supercritical carbon-dioxicle dyeing method of purple willow item, it is related to technical field of biological environmental protection, including using benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution as entrainer, purple willow item is handled using supercritical carbon dioxide fluid；Be conducive to dye molecule by the supercritical CO 2 dyeing that the present invention uses and enter progress Inner dyeing inside purple willow item；Color is uniform inside and outside purple willow item after dyeing, and remains construction and texture naturally；Dye liquor in purple willow internal penetration uniform in effect, color is soft, naturally, visual experience is comfortable, harmonious, and dyeing rate is fast, and colour fixation is good.
Description
Technical field
The invention belongs to technical field of biological environmental protection, and in particular to a kind of supercritical CO 2 dyeing side of purple willow item
Method.
Background technique
The one kind of purple willow item as green material has the characteristics that nature, environmental protection, is often used to prepare various lives for it and use
Tool, craftwork, have a long history in China, and artist comes forth in large number, and pass on from generation to generation, and establishment is of superb skills, and character of artwork is unique,
With strong folk culture breath.With the development of the social economy, consumer is to this kind of product interest full of natural breath
It is increasingly dense, braiding industrial goods also at many traditional small towns foreign exchange earnings, drive the staple product of economic development, and it is traditional
It is modern wicker plaiting article industry that wicker plaiting article production model, which gradually develops, and the good of industry is realized on the basis of keeping traditional weaving essence
Property cycle development, improving the utilization rate of resource, forming the development model of a set of more industrial chains is wicker plaiting article techno-globalism and market
The prerequisite of change.
One of an important factor for color of wicker products is decision value of the product, it is special to improve wicker products apparent visual
Property, on wicker products surface, spray paint is one of common method, but because of the reasons such as collision, friction, high temperature, humidity, paint
Permanence that is easy to fall off and being difficult to keep color.Since the color of wicker itself is more single, it is not able to satisfy Market Diversification
Demand, and the phenomenon that wicker fiber itself is also easy to happen oxidation stain in use, to influence the appearance beauty of product
Sense, therefore carrying out effective dyeing processing to knitting or braided material is to improve product economy value and protection properties of product
Necessary means.The method of related plant fiber dyeing processing is mostly traditional heating method at present, and not only the processing time is long, and
Dyeing effect is poor.Document " microwave-assisted dyeing influence " to bamboo chip dyeing effect is in pH value to bamboo chip with 250W microwave
71.12% value of chromatism is reached in 5.5 dye liquor after processing 9min, it is seen that microwave has the dye-uptake for improving biomass tissue
Certain facilitation, but wicker fibr tissue is different from bamboo chip, wicker fibre structure is loose, is easy cracking, needs to formulate
Corresponding processing step can be only achieved good dyeing effect and surface property.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of supercritical CO 2 dyeing side of purple willow item is provided
Method.
The present invention is achieved by the following technical solutions:
A kind of supercritical carbon-dioxicle dyeing method of purple willow item, including with benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
For entrainer, purple willow item is handled using supercritical carbon dioxide fluid.
Further, the purple willow item passes through vapor suffocating treatment before supercritical carbon dioxide fluid processing, fumigates
Process conditions are as follows: 15-30min is fumigated under 120 DEG C of vapor.
Further, benzene, ethyl alcohol, pomegranate-bark vegetable dye in the benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
It is mixed in the ratio of 100mL:60mL:30-40g.
Further, then the pomegranate-bark vegetable dye is pressed the preparation method comprises the following steps: granatum crushed 120 meshes
The ratio of 120g:500mL, which is added in deionized water, impregnates 40min at 80 DEG C, and granatum quality 0.35- is added into water
Then 0.45% biuret extracts 30-40min using ultrasonic wave again after mixing evenly.Then it refilters, is evaporated under reduced pressure
Concentration, vacuum drying, obtains powdered pomegranate-bark vegetable dye.
Further, the granatum passes through dilute alkaline soln immersion treatment before crushing.
Further, the dilute alkaline soln is the sodium hydroxide solution that mass fraction is 0.05%, and the immersion treatment time is not low
In for 24 hours, soaking temperature is not higher than 75 DEG C.
Further, the equipment of the supercritical carbon dioxide fluid processing purple willow item is overcritical using HA121-50-01
Extraction equipment.
Further, the supercritical carbon dioxide fluid processing purple willow fluid flow is 18-20Lh-1, processing temperature
Degree is 55 DEG C, processing pressure 25-28MPa.
Further, benzene-ethyl alcohol-granatum plant dye when the processing purple willow using supercritical carbon dioxide fluid
Expect mixed solution 500mL, purple willow 200g.
Since cellulose, hemicellulose and the lignin molecule in purple willow item possess bibulous free hydroxyl group, pass through
Purple willow item is dyed using supercritical carbon dioxide treatment, can get good effect after capable of dyeing to purple willow item
Fruit；The present invention by using critical carbon dioxide fluid to purple willow item processing be to purple willow item improve it is infiltrative simultaneously, make
It obtains inside dye molecule rapid osmotic to purple willow item, is entrainer by benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution,
The extracting substance or degradation pit membrane in pit membrane can be replaced during processing, expand the opening between pit membrane margo,
Expand cell flow channel, so as to improve the permeability of purple willow item, improve purple willow item it is infiltrative simultaneously, dye molecule
It can enter therewith in cell flow channel, want to combine with cell fiber inside purple willow item, thus achieve the effect that dyeing,
When dye molecule is penetrated into inside purple willow item, the presence of biuret can accelerate dye molecule and enter inside purple willow item, and promote
Combine dye molecule cell inside purple willow item.
The present invention has the advantage that the supercritical CO 2 dyeing used by the present invention is advantageous compared with prior art
Enter in dye molecule and carries out Inner dyeing inside purple willow item；Color is uniform inside and outside purple willow item after dyeing, and remains itself
Natural construction and texture；Dye liquor in purple willow internal penetration uniform in effect, color is soft, naturally, visual experience it is comfortable and
Humorous, dyeing rate is fast, and colour fixation is good.
Specific embodiment
Embodiment 1
A kind of supercritical carbon-dioxicle dyeing method of purple willow item, including with benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
For entrainer, purple willow item is handled using supercritical carbon dioxide fluid.
Further, the purple willow item passes through vapor suffocating treatment before supercritical carbon dioxide fluid processing, fumigates
Process conditions are as follows: 15min is fumigated under 120 DEG C of vapor.
Further, benzene, ethyl alcohol, pomegranate-bark vegetable dye in the benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
It is mixed in the ratio of 100mL:60mL:30g.
Further, then the pomegranate-bark vegetable dye is pressed the preparation method comprises the following steps: granatum crushed 120 meshes
The ratio of 120g:500mL, which is added in deionized water, impregnates 40min at 80 DEG C, and granatum quality 0.35% is added into water
Then biuret extracts 30min using ultrasonic wave again after mixing evenly.Then it refilters, vacuum distillation concentration, vacuum
It is dry, obtain powdered pomegranate-bark vegetable dye.
Further, the granatum passes through dilute alkaline soln immersion treatment before crushing.
Further, the dilute alkaline soln is the sodium hydroxide solution that mass fraction is 0.05%, and the immersion treatment time is not low
In for 24 hours, soaking temperature is not higher than 75 DEG C.
Further, the equipment of the supercritical carbon dioxide fluid processing purple willow item is overcritical using HA121-50-01
Extraction equipment.
Further, the supercritical carbon dioxide fluid processing purple willow fluid flow is 18Lh-1, treatment temperature
It is 55 DEG C, processing pressure 25MPa.
Further, benzene-ethyl alcohol-granatum plant dye when the processing purple willow using supercritical carbon dioxide fluid
Expect mixed solution 500mL, purple willow 200g.
Embodiment 2
A kind of supercritical carbon-dioxicle dyeing method of purple willow item, including with benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
For entrainer, purple willow item is handled using supercritical carbon dioxide fluid.
Further, the purple willow item passes through vapor suffocating treatment before supercritical carbon dioxide fluid processing, fumigates
Process conditions are as follows: 30min is fumigated under 120 DEG C of vapor.
Further, benzene, ethyl alcohol, pomegranate-bark vegetable dye in the benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
It is mixed in the ratio of 100mL:60mL:40g.
Further, then the pomegranate-bark vegetable dye is pressed the preparation method comprises the following steps: granatum crushed 120 meshes
The ratio of 120g:500mL, which is added in deionized water, impregnates 40min at 80 DEG C, and granatum quality 0.45% is added into water
Then biuret extracts 40min using ultrasonic wave again after mixing evenly.Then it refilters, vacuum distillation concentration, vacuum
It is dry, obtain powdered pomegranate-bark vegetable dye.
Further, the granatum passes through dilute alkaline soln immersion treatment before crushing.
Further, the dilute alkaline soln is the sodium hydroxide solution that mass fraction is 0.05%, and the immersion treatment time is not low
In for 24 hours, soaking temperature is not higher than 75 DEG C.
Further, the equipment of the supercritical carbon dioxide fluid processing purple willow item is overcritical using HA121-50-01
Extraction equipment.
Further, the supercritical carbon dioxide fluid processing purple willow fluid flow is 20Lh-1, treatment temperature is
55 DEG C, processing pressure 28MPa.
Further, benzene-ethyl alcohol-granatum plant dye when the processing purple willow using supercritical carbon dioxide fluid
Expect mixed solution 500mL, purple willow 200g.
Embodiment 3
A kind of supercritical carbon-dioxicle dyeing method of purple willow item, including with benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
For entrainer, purple willow item is handled using supercritical carbon dioxide fluid.
Further, the purple willow item passes through vapor suffocating treatment before supercritical carbon dioxide fluid processing, fumigates
Process conditions are as follows: 18min is fumigated under 120 DEG C of vapor.
Further, benzene, ethyl alcohol, pomegranate-bark vegetable dye in the benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
It is mixed in the ratio of 100mL:60mL:35g.
Further, then the pomegranate-bark vegetable dye is pressed the preparation method comprises the following steps: granatum crushed 120 meshes
The ratio of 120g:500mL, which is added in deionized water, impregnates 40min at 80 DEG C, and granatum quality 0.38% is added into water
Then biuret extracts 32min using ultrasonic wave again after mixing evenly.Then it refilters, vacuum distillation concentration, vacuum
It is dry, obtain powdered pomegranate-bark vegetable dye.
Further, the granatum passes through dilute alkaline soln immersion treatment before crushing.
Further, the dilute alkaline soln is the sodium hydroxide solution that mass fraction is 0.05%, and the immersion treatment time is not low
In for 24 hours, soaking temperature is not higher than 75 DEG C.
Further, the equipment of the supercritical carbon dioxide fluid processing purple willow item is overcritical using HA121-50-01
Extraction equipment.
Further, the supercritical carbon dioxide fluid processing purple willow fluid flow is 19Lh-1, treatment temperature
It is 55 DEG C, processing pressure 26MPa.
Further, benzene-ethyl alcohol-granatum plant dye when the processing purple willow using supercritical carbon dioxide fluid
Expect mixed solution 500mL, purple willow 200g.
Comparative example 1: with embodiment 1 difference be only that by pomegranate-bark vegetable dye replace with vegetable colour (application No. is
201510949347.5 disclosed vegetable colour).
Comparative example 2: it is only that with the difference of embodiment 1 and directly impregnates benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
Purple willow item, is handled without supercritical carbon dioxide fluid.
Comparative example 3: it is not add biuret in pomegranate-bark vegetable dye preparation process with the difference of embodiment 1.
Even dyeing effect test
It carries out level dyeing degree (Sr) to calculate, the even dyeing effect of analysis purple willow item (specification is 100mm × 5mm)；In dyeing, first throw
Enter first purple willow item, when the 4th, 10,18min successively puts into the purple willow article of same size again, and it is latter then to reach dyeing time
And take out, after drying, the color difference (levelling degree) of first piece with its excess-three is measured using color measurement and color match instrument, color difference is smaller, then
Metachromia is better；
Color fastness to washing: GB/T 3921.1-1997 " color fastness test color fastness to washing "
Use embodiment and comparative example method to purple willow item (specification dyes for 1000mm × 5mm), compares dyeing percentage:
Table 1
As can be seen from Table 1, the present invention not only has good equalization to the dyeing of purple willow item, while dye-uptake is high, color jail
Degree is high.
Test: embodiment and comparative example method is respectively adopted to the purple willow item for criticizing 60 (specification is 1000mm × 5mm)
It is dyed, dyeing stoste optical density is tested using ultraviolet specrophotometer, dye liquor raffinate absorbance is recorded, when recording each half-dyeing
Between:
Time of half dyeing: time of half dyeing is to reach time required for equilibrium adsorption capacity half, time of half dyeing to dyestuff on purple willow item
It is the very important performance indicator that purple willow item is contaminated on dyestuff, time of half dyeing is shorter, and dyestuff dyeing rate is faster；
Table 2
As can be seen from Table 2, it can be greatly reduced by the purple willow time of half dyeing that the method for the present invention dyes；
Based on embodiment 1, for the additive amount of biuret contaminates purple willow item in granatum dyestuff preparation process in embodiment 1
The influence of color time of half dyeing:
Table 3
As can be seen from Table 3, from less to more with biuret additive amount, first increase purple willow dyeing rate reduces afterwards.
Claims (9)
1. a kind of supercritical carbon-dioxicle dyeing method of purple willow item, which is characterized in that including with benzene-ethyl alcohol-granatum plant
Dye mixture solution is entrainer, handles purple willow item using supercritical carbon dioxide fluid.
2. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 1, which is characterized in that the Qi
Wicker passes through vapor suffocating treatment, fumigation process condition are as follows: in 120 DEG C of vapor before supercritical carbon dioxide fluid processing
15-30min is fumigated down.
3. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 1, which is characterized in that described
Benzene, ethyl alcohol, pomegranate-bark vegetable dye are by 100mL:60mL:30-40g's in benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution
Ratio mixes.
4. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 3, which is characterized in that the stone
Pomegranate skin vegetable colour the preparation method comprises the following steps: granatum crushed 120 meshes, then in the ratio of 120g:500mL be added to from
40min is impregnated at 80 DEG C in sub- water, the biuret of granatum quality 0.35-0.45% is added into water, after mixing evenly, so
30-40min is extracted using ultrasonic wave again afterwards, is then refiltered, vacuum distillation concentration, vacuum drying obtains powdered stone
Pomegranate skin vegetable colour.
5. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 4, which is characterized in that the stone
Pomegranate skin passes through dilute alkaline soln immersion treatment before crushing.
6. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 5, which is characterized in that described dilute
Aqueous slkali is the sodium hydroxide solution that mass fraction is 0.05%, and the immersion treatment time, soaking temperature was not higher than 75 not less than for 24 hours
℃。
7. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 1, which is characterized in that described super
The equipment that critical carbon dioxide fluid handles purple willow item uses HA121-50-01 supercritical extraction unit.
8. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 1, which is characterized in that described super
It is 18-20Lh that critical carbon dioxide fluid, which handles purple willow fluid flow,-1, treatment temperature is 55 DEG C, processing pressure 25-
28MPa。
9. a kind of supercritical carbon-dioxicle dyeing method of purple willow item according to claim 1, which is characterized in that described to adopt
Benzene-ethyl alcohol-pomegranate-bark vegetable dye mixed solution 500mL when handling purple willow with supercritical carbon dioxide fluid, purple willow item
200g。
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Cited By (1)
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Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |