CN107974845B - A kind of preparing rose extracting stock solution is dyed cloth the method for material - Google Patents
A kind of preparing rose extracting stock solution is dyed cloth the method for material Download PDFInfo
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- CN107974845B CN107974845B CN201711261736.4A CN201711261736A CN107974845B CN 107974845 B CN107974845 B CN 107974845B CN 201711261736 A CN201711261736 A CN 201711261736A CN 107974845 B CN107974845 B CN 107974845B
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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
- 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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
-
- 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
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
-
- 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
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
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Abstract
The present invention provides a kind of method that preparing rose extracting stock solution is dyed cloth, 1) by roseleaf alcohol extracting, be separated by solid-liquid separation, rose filtrate；2) molecular sieve is added in above-mentioned rose filtrate, after handling a period of time, filtered to get rose extracting object；3) rose extracting object is uniformly mixed with water, light-coloured vinegar, obtains rose coloring agent；4) cloth is dyed, is dehydrated, rear mordant dyeing, is dehydrated using above-mentioned rose coloring agent, dry in the shade to get.With the difference of soaking time, obtained fabric color is also different.It impregnates 30 minutes, cloth is lightpink, is impregnated 1 hour, and cloth is rose pink colour, impregnates 3h, and cloth is aubergine, impregnates 6h or more, cloth is smoky gray.Rose liquid reactive extract liquor of the invention has antibacterial, and whitening function is dyed cloth with extract liquor, and dyed cloth material is very beneficial for human health.
Description
Technical field
The invention belongs to colouring art, in particular to a kind of preparing rose extracting stock solution is dyed cloth the method for material.
Background technique
Plant dyeing, which refers to, not to be used in dyeing course or seldom uses chemical assistant, and use is obtained from the Nature
Vegetable dyes, a kind of technique that product is dyed.Plant dyeing is with a long history, but the modern times are due to chemical synthetic dye
Be easy to mass production, it is at low cost, gradually captured most dyeing market.But wherein containing there are many harmful substance, harm
Human health pollutes environment.
Plant dyeing has accumulated the experience and wisdom of many forefathers, these excellent Color Cultures should be endowed new meaning
Justice will not just make culture form fault-layer-phenomenon；Plant dyeing not only available various bright-coloured high chroma colors, it is more available
A large amount of fine and smooth Neutral colour, and redying through different numbers and different form and aspect, can dye richer meaningful color layer
It is secondary；The characteristics of plant dyeing, is the continuous utilization of natural resources, while can be to avoid the serious pollution problem of chemical dye；With
The increasingly raising of people's living standard, pay attention to day by day environmental protection pursue health care, the market demand of plant dyeing is more next
More urgent, the demand of especially high-end market has shown.
And existing plant dyeing generally refers to extract phytochrome by way of heating boiling, very likely can in this way
Pigment composition itself and its efficacy effect are destroyed, so that expected plant dyeing target is not achieved.Such as: Chinese patent
CN105780530A discloses a kind of rose cloth dyeing technology, takes rose, the water of 1~30 times of weight is added, in 100 DEG C of water
After boiling 30 minutes~2 hours, it is filtered into coloring agent liquid.But the mode of its thermophilic digestion makes loss of effective components in rose
Greatly, dyeing efficiency is low.
On the other hand, pigment is dissolved from animal, plant or mineral chapter also by various extracting process, is separated by the prior art
Out, when but due to extracting natural pigment, other water soluble ingredients in natural dye is contained in and also are extracted out together, are caused
The pigment composition of natural dye is extremely complex, and the affinity between fiber is poor, washable, wear-resisting, sunlight fastness is poor.
Therefore, it is badly in need of providing a kind of simple, efficient natural plant dye colouring method.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of method that preparing rose extracting stock solution dyes cloth material, this method
Compared to the effective component that traditional heating means can retain rose stoste comprehensively, coloring and health aspect effect are more preferable, because of rose
Rare flower has high medicinal health value, and the cloth dyed when human body is worn, is very beneficial for health.After dying cloth
The water of discharge does not have any pollution to environment, very environmentally friendly.This method technological design is reasonable, operation easy to implement.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of preparing rose extracting stock solution is dyed cloth the method for material, comprising:
1) by roseleaf alcohol extracting, be separated by solid-liquid separation, rose filtrate；
2) above-mentioned rose filtrate is purified with molecular sieve film, collects filtrate to get rose extracting object；
3) rose extracting object is uniformly mixed with water, light-coloured vinegar, obtains rose coloring agent；
4) cloth is dyed, is dehydrated, rear mordant dyeing, is dehydrated using above-mentioned rose coloring agent, dry in the shade to get.
Existing rose pigment generally uses alcohol extracting method to obtain, but the application research is found: the rose pattern after alcohol extracting
Element still contains partial impurities, if will lead to that affinity between fiber is poor, sun-resistant jail directly as coloring agent for dyeing
Spend the problems such as poor.The present invention purifies the rose pigment after alcohol extracting, and passes through the staining method of mordant dyeing twice, obtains
Preferably dyeing effect was obtained, the sunlight fastness of cloth significantly improves after dyeing.
Preferably, in step 1), the rose is freeze-drying, smashed Flos Rosae Rugosas pollen.
Preferably, in step 1), the condition of the alcohol extracting are as follows: by rose pH value be 2.5 or so, mass concentration 65
In~70% ethanol solution, 35~40min is impregnated.
Since the complicated and specific type of impurity component after rose alcohol extracting is unknown.In order to obtain preferably refining effect,
The present invention has attempted a variety of way of purification such as extraction, UF membrane, solid absorption method, chromatography, dialysis, discovery: cellulose acetate film
Nanofiltration is carried out to rose extract, can get the higher rose extracting liquid of purity, and filter method is simple.
Therefore, currently preferred to be separated by solid-liquid separation as centrifuge separation in step 1).
Preferably, in step 1), it is described solidify isolated temperature be 0-5 DEG C.
Preferably, the molecular sieve film is cellulose acetate film.
Since rose is natural plant dye, direct staining is difficult to determine pigment in fiber, causes washable, resistance to
Mill, poor color fastness.For this purpose, the present invention attempts to improve its color fastness by way of adding mordant, chanced in research: with
The prior art individually using first mordant dyeing, rear mordant dyeing, middle mordant dyeing or altogether bath mordant dyeing compare, it is total using acid mordant and iron mordant
Bath mordant dyeing can effectively improve the dyeing efficiency of rose extracting liquid, can obtain different face by the change of soaking time
Color, and there is preferably pigment stability and color fastness.Therefore, preferred dye liquor composition in the present invention are as follows: water, light-coloured vinegar, rose
The mass ratio of flower extract liquor is 10:3:1.
Preferably, the mass ratio of the cloth and dye liquor is 1:20.
Preferably, during the rear mordant dyeing, mordant is mixed by iron rust, acetic acid, water with the weight ratio of 1:2:2.
Preferably, the cloth is pure cotton cloth, crudefiber crop or cloth of real silk.
Beneficial effects of the present invention
(1) rose liquid reactive extract liquor of the invention has antibacterial, and whitening function is dyed cloth with extract liquor, institute
Material of dying cloth is very beneficial for human health, and pollutes to environment without draining after dyeing.
(2) preparation method of the present invention is simple, dyeing efficiency is high, practical, easy to spread.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is process flow chart of the invention.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
A kind of preparing rose extracting stock solution is dyed cloth the method for material, wherein and the rose is Pingyin No.1 polyphyll red rose,
The rose extracting object is obtained as prepared by the following steps: (1) clean roseleaf: take fresh roseleaf, in water into
Simple cleaning in row 3 minutes, dries in the shade；(2) preparation rose slurry: the roseleaf is placed in blade mixer and stirs powder
It is broken, rose slurry is uniformly mixed to get with solvent, wherein the solvent is alcohol solution；(3) it extracts rose filtrate: will walk
Suddenly the rose slurry of (2) is separated by solid-liquid separation, and is removed solid impurity, is left liquid and obtain rose filtrate；(4) purification rose filter
Liquid: the rose filtrate of step (3) being handled with molecular sieve film and is purified, and obtains rose extracting screening liquid；(5) preparation dyeing
Agent: water and light-coloured vinegar are mixed according to the volume ratio of 10:3, by the rose extracting screening liquid of step (4) with certain volume than being added
Wherein, it is uniformly mixing to obtain rose coloring agent；(6) dyeing dehydration: after cloth is impregnated 2 hours with clear water, surface is disposed
Dust or impurity, then be added in dye liquor and dyed with certain weight ratio.With the difference of soaking time, obtained fabric color
It is different.Cloth after dyeing is dehydrated with dewaterer；(7) fixation is dried in the shade: iron rust, acetic acid, water are configured to the weight ratio of 1:2:2
The cloth of step (6) is put into the fixation liquid for having added color fixing agent, is dried in the shade after fixation by color fixing agent.Rose liquid of the invention
Reactive extraction liquid has antibacterial, and whitening function is dyed cloth with extract liquor, and dyed cloth material is very beneficial for human health, and contaminates
Environment is polluted without draining after color.
Embodiment 1
A kind of dye liquor containing rose extracting object, the rose are Pingyin No.1 polyphyll red rose, the rose
Extract is obtained as prepared by the following steps:
(1) it extracts: the rose of freeze-drying crushing, crosses 40 meshes, takes 1 kilogram of rose, the ethyl alcohol with 5L 65wt%
Solution impregnates 40min under the conditions of pH is 2.5, and centrifuge separation obtains filter residue and filtrate；Filter residue is molten with the ethyl alcohol of 5L 65wt%
Liquid is repeated to impregnate and be filtered 2-3 times under the conditions of pH is 2.5, will be obtained filtrate and is merged with above-mentioned filtrate, is concentrated under reduced pressure into 2.8L,
Up to rose filtrate.
(2) above-mentioned rose filtrate is carried out sodium filter (aperture of film is 0.05 μm) with cellulose acetate film, filtrate is dense
10L or so is reduced to get rose extracting liquid.
(3) above-mentioned rose extracting liquid is uniformly mixed with water, light-coloured vinegar according to the volume ratio of 1:10:3 to get coloring agent.
(4) will after cotton impregnates 2 hours with clear water, be added in above-mentioned dye liquor dyeing (mass ratio of cotton and dye liquor is 1:
20), according to the difference of target cotton color, corresponding soaking time is selected.It impregnates 30 minutes, cotton is lightpink, and it is small to impregnate 1
When, cotton is rose pink colour, impregnates 3h, and cotton is aubergine, impregnates 6h or more, cotton is smoky gray.And in dyeing course constantly
Overturning agitation, so that cotton even dyeing.Even if cotton dyeing is uneven, natural gradient color can also be claimed, it is beautiful comfortable.
(5) by cotton washing, the dehydration after dyeing, cloth weight 3wt% mordant is added (by iron rust, acetic acid, water with 1:2:2
Weight ratio mix), weigh 20 times of water cloth is added, stir 1 hour, wash, dehydration, dry in the shade to get.
Embodiment 2
A kind of dye liquor containing rose extracting object, the rose are Pingyin No.1 polyphyll red rose, the rose
Extract is obtained as prepared by the following steps:
(1) it extracts: the rose of freeze-drying crushing, crosses 40 meshes, takes 1 kilogram of rose, the ethyl alcohol with 5L 70wt%
Solution impregnates 35min under the conditions of pH is 2.5, and centrifuge separation obtains filter residue and filtrate；Filter residue is molten with the ethyl alcohol of 5L 70wt%
Liquid is repeated to impregnate and be filtered 2-3 times under the conditions of pH is 2.5, will be obtained filtrate and is merged with above-mentioned filtrate, is concentrated under reduced pressure into 2.8L,
Up to rose filtrate.
(2) above-mentioned rose filtrate is carried out sodium filter (aperture of film is 0.05 μm) with cellulose acetate film, filtrate is dense
10L or so is reduced to get rose extracting liquid.
(3) above-mentioned rose extracting liquid is uniformly mixed with water, light-coloured vinegar according to the volume ratio of 1:10:3 to get coloring agent.
(4) will after burlap impregnates 2 hours with clear water, be added in above-mentioned dye liquor dyeing (mass ratio of burlap and dye liquor is 1:
20), according to the difference of target burlap color, corresponding soaking time is selected.It impregnates 30 minutes, burlap is lightpink, and it is small to impregnate 1
When, burlap is rose pink colour, impregnates 3h, and burlap is aubergine, impregnates 6h or more, burlap is smoky gray.And in dyeing course constantly
Overturning agitation, so that burlap even dyeing.Even if burlap dyeing is uneven, natural gradient color can also be claimed, it is beautiful comfortable.
(5) by burlap washing, the dehydration after dyeing, cloth weight 3wt% mordant is added (by iron rust, acetic acid, water with 1:2:2
Weight ratio mix), weigh 20 times of water cloth is added, stir 1 hour, wash, dehydration, dry in the shade to get.
Embodiment 3
A kind of dye liquor containing rose extracting object, the rose are Pingyin No.1 polyphyll red rose, the rose
Extract is obtained as prepared by the following steps:
(1) it extracts: the rose of freeze-drying crushing, crosses 40 meshes, takes 1 kilogram of rose, the ethyl alcohol with 5L 67wt%
Solution impregnates 38min under the conditions of pH is 2.5, and centrifuge separation obtains filter residue and filtrate；Filter residue is molten with the ethyl alcohol of 5L 67wt%
Liquid is repeated to impregnate and be filtered 2-3 times under the conditions of pH is 2.5, will be obtained filtrate and is merged with above-mentioned filtrate, is concentrated under reduced pressure into 2.8L,
Up to rose filtrate.
(2) above-mentioned rose filtrate is carried out sodium filter (aperture of film is 0.05 μm) with cellulose acetate film, filtrate is dense
10L or so is reduced to get rose extracting liquid.
(3) above-mentioned rose extracting liquid is uniformly mixed with water, light-coloured vinegar according to the volume ratio of 1:10:3 to get coloring agent.
(4) after impregnating cloth of real silk 2 hours with clear water, the dyeing (mass ratio of cloth of real silk and dye liquor in above-mentioned dye liquor is added
Corresponding soaking time is selected according to the difference of target cloth of real silk color for 1:20).It impregnates 30 minutes, cloth of real silk is light pink
Color impregnates 1 hour, and cloth of real silk is rose pink colour, impregnates 3h, and cloth of real silk is aubergine, impregnates 6h or more, cloth of real silk is smoky gray.
And constantly overturning agitation in dyeing course, so that cloth of real silk even dyeing.Even if silk cloth dyeing is uneven, can also claim naturally gradually
Discoloration, it is beautiful comfortable.
(5) cloth of real silk after dyeing is washed, dehydration, addition cloth weight 3wt% mordant (by iron rust, acetic acid, water with 1:2:
2 weight ratio mixes), weigh 20 times of water cloth is added, stir 1 hour, wash, dehydration, dry in the shade to get.
Comparative example 1
A kind of dye liquor containing rose extracting object, the rose are Pingyin No.1 polyphyll red rose, the rose
Extract is obtained as prepared by the following steps:
(1) it extracts: the rose of freeze-drying crushing, crosses 40 meshes, takes 1 kilogram of rose, the ethyl alcohol with 5L 70wt%
Solution impregnates 35min under the conditions of pH is 2.5, and centrifuge separation obtains filter residue and filtrate；Filter residue is molten with the ethyl alcohol of 5L 70wt%
Liquid is repeated to impregnate and be filtered 2-3 times under the conditions of pH is 2.5, will be obtained filtrate and is merged with above-mentioned filtrate, is concentrated under reduced pressure into 2.8L,
Up to rose filtrate.
(2) above-mentioned rose filtrate is uniformly mixed with water, light-coloured vinegar according to the volume ratio of 1:10:3 to get coloring agent.
(3) will after burlap impregnates 2 hours with clear water, be added in above-mentioned dye liquor dyeing (mass ratio of burlap and dye liquor is 1:
20) 30min-6h, is impregnated.
(4) by burlap washing, the dehydration after dyeing, cloth weight 3wt% mordant is added (by iron rust, acetic acid, water with 1:2:2
Weight ratio mix), weigh 20 times of water cloth is added, stir 1 hour, wash, dehydration, dry in the shade to get.
Comparative example 2
A kind of dye liquor containing rose extracting object, the rose are Pingyin No.1 polyphyll red rose, the rose
Extract is obtained as prepared by the following steps:
(1) it extracts: the rose of freeze-drying crushing, crosses 40 meshes, takes 1 kilogram of rose, the ethyl alcohol with 5L 70wt%
Solution impregnates 35min under the conditions of pH is 2.5, and centrifuge separation obtains filter residue and filtrate；Filter residue is molten with the ethyl alcohol of 5L 70wt%
Liquid is repeated to impregnate and be filtered 2-3 times under the conditions of pH is 2.5, will be obtained filtrate and is merged with above-mentioned filtrate, is concentrated under reduced pressure into 2.8L,
Up to rose filtrate.
(2) above-mentioned rose filtrate is carried out sodium filter (aperture of film is 0.05 μm) with cellulose acetate film, filtrate is dense
10L or so is reduced to get rose extracting liquid.
(3) above-mentioned rose extracting liquid is uniformly mixed with water, light-coloured vinegar according to the volume ratio of 1:10:3 to get coloring agent.
(4) will after burlap impregnates 2 hours with clear water, be added in above-mentioned dye liquor dyeing (mass ratio of burlap and dye liquor is 1:
20), impregnate 30min-6h, wash, dehydration, dry in the shade to get.
Comparative example 3
A kind of dye liquor containing rose extracting object, the rose are Pingyin No.1 polyphyll red rose, the rose
Extract is obtained as prepared by the following steps:
(1) it extracts: the rose of freeze-drying crushing, crosses 40 meshes, takes 1 kilogram of rose, the ethyl alcohol with 5L 70wt%
Solution impregnates 35min under the conditions of pH is 2.5, and centrifuge separation obtains filter residue and filtrate；Filter residue is molten with the ethyl alcohol of 5L 70wt%
Liquid is repeated to impregnate and be filtered 2-3 times under the conditions of pH is 2.5, will be obtained filtrate and is merged with above-mentioned filtrate, is concentrated under reduced pressure into 2.8L,
Up to rose filtrate.
(2) above-mentioned rose filtrate is carried out sodium filter (aperture of film is 0.05 μm) with cellulose acetate film, filtrate is dense
10L or so is reduced to get rose extracting liquid.
(3) using above-mentioned rose extracting liquid as coloring agent.
(4) will after burlap impregnates 2 hours with clear water, be added in above-mentioned dye liquor dyeing (mass ratio of burlap and dye liquor is 1:
20) 30min-6h, is impregnated.
(5) by burlap washing, the dehydration after dyeing, cloth weight 3wt% mordant is added (by iron rust, acetic acid, water with 1:2:2
Weight ratio mix), weigh 20 times of water cloth is added, stir 1 hour, wash, dehydration, dry in the shade to get.
It is detected according to the fabric that national standard prepares the above embodiments and comparative example, the results are shown in Table 1
Table 1
Finally it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not limited to this hair
It is bright, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still
It can modify to technical solution documented by previous embodiment, or part is equivalently replaced.It is all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not to the scope of the present invention
Limitation, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not required to
Make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (4)
- A kind of method of material 1. preparing rose extracting stock solution is dyed cloth characterized by comprising1) by roseleaf alcohol extracting, separation of solid and liquid, be concentrated, rose filtrate；2) above-mentioned rose filtrate is purified with molecular sieve film, collects filtrate to get rose extracting object；3) rose extracting object is uniformly mixed with water, light-coloured vinegar, obtains rose coloring agent；4) cloth is dyed, is dehydrated, rear mordant dyeing, is dehydrated using above-mentioned rose coloring agent, dry in the shade to get；In step 1), the condition of the alcohol extracting are as follows: by rose in the ethanol solution that pH value is 2.5, mass concentration is 65 ~ 70% In, impregnate 35 ~ 40min；It is described to be separated by solid-liquid separation as centrifuge separation in step 1)；In step 1), the temperature of the separation of solid and liquid is 0 ~ 5 DEG C；In step 2, the molecular sieve film is cellulose acetate film；In step 3), in the coloring agent, water, light-coloured vinegar, rose extracting liquid mass ratio be 10:3:1；In step 4), it is described after in mordant dyeing laking process, color fixing agent by iron rust, acetic acid, water with the weight ratio mixing of 1:2:2 and At.
- 2. the method as described in claim 1, which is characterized in that in step 1), the rose is freeze-drying, smashed rose Pollen.
- 3. the method as described in claim 1, which is characterized in that the mass ratio of the cloth and dye liquor is 1:20.
- 4. the method as described in claim 1, which is characterized in that the cloth is pure cotton cloth, crudefiber crop or cloth of real silk.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780530A (en) * | 2014-12-22 | 2016-07-20 | 宋雅男 | Rose flower cloth dyeing technology |
| CN106266587A (en) * | 2015-06-02 | 2017-01-04 | 青山兰花生物科技有限公司 | Cymbidium ensifolium (L.) Sw. extract and its preparation method and application |
| CN107216681A (en) * | 2017-04-17 | 2017-09-29 | 浙江理工大学 | A kind of vegetation dye dyestuff and colouring method |
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2017
- 2017-12-04 CN CN201711261736.4A patent/CN107974845B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780530A (en) * | 2014-12-22 | 2016-07-20 | 宋雅男 | Rose flower cloth dyeing technology |
| CN106266587A (en) * | 2015-06-02 | 2017-01-04 | 青山兰花生物科技有限公司 | Cymbidium ensifolium (L.) Sw. extract and its preparation method and application |
| CN107216681A (en) * | 2017-04-17 | 2017-09-29 | 浙江理工大学 | A kind of vegetation dye dyestuff and colouring method |
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