CN103073911A - Extraction method of walnut shell dye - Google Patents
Extraction method of walnut shell dye Download PDFInfo
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- CN103073911A CN103073911A CN2012105904855A CN201210590485A CN103073911A CN 103073911 A CN103073911 A CN 103073911A CN 2012105904855 A CN2012105904855 A CN 2012105904855A CN 201210590485 A CN201210590485 A CN 201210590485A CN 103073911 A CN103073911 A CN 103073911A
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Abstract
The invention relates to an extraction method of walnut shell dye. The extraction method of the walnut shell dye comprises the following steps: weighing walnut shells; putting the walnut shells for 4-6 hours at 20-30 DEG C for naturally airing; adding deionized water according to a ratio of 1: 20, soaking the walnut shells for 30-60 minutes, adding 0.5-3 g/l of NaOH, regulating pH value to 12.5-13.5, heating to 80-90 DEG C, and performing constant-temperature reaction for 60-90minutes to obtain extract; cooling the extract to 20-30 DEG C, and filtering; removing plant residues; and drying the extract for 2-4 hours at 110-120 DEG C, and storing a finished product in a sealed way. In an extraction process of plant dye, no toxic chemical is added, a natural pigment within a plant is taken and is green and environment-friendly, and the extracted plant residues can be naturally degraded, can be used as a natural fertilizer after simple treatment and does not cause any pollution to the ecological environment.
Description
Technical field
The invention belongs to dyestuff extraction field, particularly a kind of nut-shell dyestuff extracting process.
Background technology
Along with the day by day in short supply and synthetic chemistry dyeing of the petroleum resources potential hazard healthy to people, severe contamination to living environment, seek and a kind ofly can substitute the again textile dyeing agent of safety and environmental protection of synthetic chemistry dyestuff, guarantee the Sustainable development of textile industry, become the common recognition of industry.Vegetable dye take from the flower of plant, really, the natural pigment in the stem, seed, skin forms, but residue natural degradation nontoxic, harmless, after extracting, with environmentally compatible, meet the theory of cleaner production, must become the new power that promotes the textile industry Sustainable development.
China is vast in territory, plant resources is extremely abundant, and is of a great variety, but most of kind pigment extracted amount is low, cost is high, or very responsive to temperature, potential of hydrogen and sunlight, can not present a kind of stable tone, changes of shade is very large, weather and light are poor, easily take off variable color, be used for textile coloration processing, can not satisfy the human consumer to the requirement of coloured light and fastness.
The green peel of walnut element can be used as tinting material and use, and can make to be colored object and to become brown.Also may have through long oxidation can the generation redness.Green peel of walnut includes English walnut, α-hydrojuglone-4-glycoside, tannin, gallic acid, the liquor-saturated alkaloid of English walnut (C1OH6O3) and eye etc. how.Wherein the materials such as tannin (being Weibull) and gallic acid can be dyed material brown after oxidizing reaction.Therefore, it can obtain through refining dyestuff.
Summary of the invention
Technical problem to be solved by this invention provides a kind of nut-shell dyestuff extracting process, vegetable dye extraction process of the present invention does not add any poisonous chemical agent, take from natural pigment in the plant, environmental protection, plant residue energy natural degradation after extracting, after simple process, can be used as Natural fertilizers, ecotope is not caused any pollution.
A kind of nut-shell dyestuff extracting process of the present invention comprises:
Weighing → drying → extraction → filtration → oven dry → finished product
(1) weighing: take by weighing nut-shell with electronic scales;
(2) drying: place, naturally dry in the shade;
(3) extract: add deionized water by bath raio 1:20, soaked 30～60 minutes, add the NaOH of 0.5～3g/l, regulate pH value to 12.5～13.5, be warmed up to 80 ℃～90 ℃ isothermal reactions 60～90 minutes, obtain extracting solution; Preferably, temperature 90 degree, 60 minutes time;
(4) filter: extracting solution is cooled to 20 ℃～30 ℃, filter; Remove plant residue;
(5) oven dry: oven dry, the finished product sealing is preserved.
Be 4～6 hours the storage period in the described step (2), and laying temperature is 20 ℃～30 ℃.
Drying time in the described step (5) is 2～4 hours, and bake out temperature is 110 ℃～120 ℃.
Vegetable dye detects index:
1, sealing was preserved validity period 3～6 months
2, WASHING COLOR FASTNESS 〉=3.5 grade
3, weathering color fastness 〉=3 grade
4, colour fastness to perspiration 〉=3.5 grade
5, colour fasteness to rubbing: xerotripsis 〉=3.5 grade wet rubbing 〉=2.5 grades
6, the colour fastness of anti-saliva the 〉=3 grade
7, aberration 〉=3.5 grade.
The present invention is from hundreds of plant, test by every fastness index on screening, refinement, process for processing sample and the final textiles, therefrom select color light stabilizing good, on dye that fastness and pigment extraction cost are fit to produce in enormous quantities the plant variety of using on the textiles, such as: nut-shell, orange skin, mast, bush, Flower of Aztec Marigold, mulberries, concubine's Huang, madder, bluegrass root, safflower, WUBEIZI etc., therefrom extracting pigment is that vegetable dye is used for textile dyeing processing.
Beneficial effect
Vegetable dye extraction process of the present invention does not add any poisonous chemical agent, takes from natural pigment in the plant, environmental protection, and the plant residue energy natural degradation after extracting can be used as Natural fertilizers after simple process, ecotope is not caused any pollution.
Description of drawings
Fig. 1 is nut-shell dyestuff extraction process curve;
Fig. 2 is nut-shell dyestuff maximum absorption wavelength standard absorption curves.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
(1) weighing: take by weighing nut-shell with electronic scales;
(2) drying: placed 4 hours, and naturally dried in the shade for 20 ℃;
(3) extract: add deionized water by bath raio 1:20, soaked 30 minutes, add NaOH0.5g/l, regulate pH value to 12.5, be warmed up to 80 ℃ of isothermal reactions 90 minutes, obtain extracting solution;
(4) filter: extracting solution is cooled to 20 ℃, filter; Remove plant residue;
(5) oven dry: 110 ℃ of lower oven dry 2 hours, the finished product sealing is preserved.
(1) weighing: take by weighing nut-shell with electronic scales;
(2) drying: placed 6 hours, and naturally dried in the shade for 30 ℃;
(3) extract: add deionized water by bath raio 1:20, soaked 30 minutes, add NaOH3g/l, regulate pH value to 13.5, be warmed up to 90 ℃ of isothermal reactions 60 minutes, obtain extracting solution;
(4) filter: extracting solution is cooled to 30 ℃, filter; Remove plant residue;
(5) oven dry: 120 ℃ of lower oven dry 4 hours, the finished product sealing is preserved.
The detection index of gained dyestuff is
(1) effective ingredient 5.2%～6%,
(2) the relative standard specimen of aberration △ E≤0.5(),
(3) dyestuff power part 100%,
(4) standard absorbance.
Claims (4)
1. nut-shell dyestuff extracting process comprises:
(1) takes by weighing nut-shell;
(2) place, naturally dry in the shade;
(3) add deionized water by bath raio 1:20, soaked 30～60 minutes, add the NaOH of 0.5～3g/l, regulate pH value to 12.5～13.5, be warmed up to 80 ℃～90 ℃ isothermal reactions 60～90 minutes, obtain extracting solution;
(4) extracting solution is cooled to 20 ℃～30 ℃, filter; Remove plant residue;
(5) oven dry, the finished product sealing is preserved.
2. a kind of nut-shell dyestuff extracting process according to claim 1, it is characterized in that: be 4～6 hours the storage period in the described step (2), laying temperature is 20 ℃～30 ℃.
3. a kind of nut-shell dyestuff extracting process according to claim 1 is characterized in that: the temperature of reaction in the described step (3) is 90 degree, and the reaction times is 60 minutes.
4. a kind of nut-shell dyestuff extracting process according to claim 1, it is characterized in that: the drying time in the described step (5) is 2～4 hours, bake out temperature is 110 ℃～120 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105904855A CN103073911A (en) | 2012-12-28 | 2012-12-28 | Extraction method of walnut shell dye |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105904855A CN103073911A (en) | 2012-12-28 | 2012-12-28 | Extraction method of walnut shell dye |
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| CN103073911A true CN103073911A (en) | 2013-05-01 |
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| CN2012105904855A Pending CN103073911A (en) | 2012-12-28 | 2012-12-28 | Extraction method of walnut shell dye |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340770A (en) * | 2013-06-09 | 2013-10-09 | 吕梁学院 | Preparation method for hair dye based on walnut green husk pigment |
| CN103757942A (en) * | 2014-01-03 | 2014-04-30 | 蒋立宪 | Method for harmless dyeing of school uniform fabric |
| CN104910643A (en) * | 2015-06-08 | 2015-09-16 | 昆明理工大学 | Method for extracting walnut-shell brown pigments |
| CN106879577A (en) * | 2017-02-28 | 2017-06-23 | 江苏泗水纺织有限公司 | A kind of store method of walnut green husk pigment |
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| CN1031549A (en) * | 1987-08-18 | 1989-03-08 | 蔡传英 | The extracting method of polyphenol edible natural pigment |
| CN1031281C (en) * | 1991-01-05 | 1996-03-13 | 云南省中医中药研究所 | Extraction method of natural edible yellow colouring agent |
| WO2001053418A2 (en) * | 2000-01-18 | 2001-07-26 | Royal Caviar, Inc. | Method of preparing black dye from a natural product |
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| CN102516800A (en) * | 2011-11-18 | 2012-06-27 | 大连得达科技发展有限公司 | Preparation method for walnut peel vegetable dye |
| CN102516804A (en) * | 2010-12-14 | 2012-06-27 | 常州云卿纺织品有限公司 | Dye of walnut green husk prepared by walnut green husk, its preparation method and method for dyeing fabric |
| CN102644204A (en) * | 2012-04-24 | 2012-08-22 | 大连工业大学 | Method for dyeing modified cellulose fabrics by green walnut epicarp pigment |
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2012
- 2012-12-28 CN CN2012105904855A patent/CN103073911A/en active Pending
Patent Citations (7)
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| CN1031549A (en) * | 1987-08-18 | 1989-03-08 | 蔡传英 | The extracting method of polyphenol edible natural pigment |
| CN1031281C (en) * | 1991-01-05 | 1996-03-13 | 云南省中医中药研究所 | Extraction method of natural edible yellow colouring agent |
| WO2001053418A2 (en) * | 2000-01-18 | 2001-07-26 | Royal Caviar, Inc. | Method of preparing black dye from a natural product |
| CN1810887A (en) * | 2005-01-24 | 2006-08-02 | 顾振新 | Bofanic dye and its production process and use |
| CN102516804A (en) * | 2010-12-14 | 2012-06-27 | 常州云卿纺织品有限公司 | Dye of walnut green husk prepared by walnut green husk, its preparation method and method for dyeing fabric |
| CN102516800A (en) * | 2011-11-18 | 2012-06-27 | 大连得达科技发展有限公司 | Preparation method for walnut peel vegetable dye |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340770A (en) * | 2013-06-09 | 2013-10-09 | 吕梁学院 | Preparation method for hair dye based on walnut green husk pigment |
| CN103340770B (en) * | 2013-06-09 | 2015-04-08 | 吕梁学院 | Preparation method for hair dye based on walnut green husk pigment |
| CN103757942A (en) * | 2014-01-03 | 2014-04-30 | 蒋立宪 | Method for harmless dyeing of school uniform fabric |
| CN104910643A (en) * | 2015-06-08 | 2015-09-16 | 昆明理工大学 | Method for extracting walnut-shell brown pigments |
| CN106879577A (en) * | 2017-02-28 | 2017-06-23 | 江苏泗水纺织有限公司 | A kind of store method of walnut green husk pigment |
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Application publication date: 20130501 |