CN100999865B - Bleaching method of whole black feather - Google Patents
Bleaching method of whole black feather Download PDFInfo
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- CN100999865B CN100999865B CN200610156047A CN200610156047A CN100999865B CN 100999865 B CN100999865 B CN 100999865B CN 200610156047 A CN200610156047 A CN 200610156047A CN 200610156047 A CN200610156047 A CN 200610156047A CN 100999865 B CN100999865 B CN 100999865B
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Abstract
The black feather bleaching process includes the first soaking black feather in pre-treating solution with ferrous salt in 0.3-1.2 wt% and surfactant in 0.1-0.2 wt% at 30-50 deg.c for 0.5-1.5 hr, the subsequent oxidizing bleaching in oxidizing bleaching solution containing hydrogen peroxide in 10-30 wt%, stabilizer and activator and reducing bleaching in reducing bleaching solution containing sodium sulfite in 0.5-1.2 wt%, etc, and final washing and air drying. The bleached feather has whiteness value over 80, strength damage below 5 % and intact feather arrangement, and is suitable for making badminton.
Description
One, technical field
The present invention relates to a kind of method for bleaching of material, particularly the method for bleaching of azelon exactly is a kind of method for bleaching of whole black feather.
Two, background technology
In bird, dark feather is comparatively general.The particularly white feather of light color is used for handicraft and sports goods more, such as shuttlecock.With the shuttlecock that intact feather is made, flight stability, accurate placement in air.If bleaching is improper, the little hook that makes feather form network-like structure sustains damage, and causes feather loose, no longer becomes the lamellar of marshalling, then can't process qualified shuttlecock.
CN 1811047A discloses the method that a kind of coloured feather and down decolours and brightens fast, earlier the feather eider down is soaked in 0.05～0.1% FeSO
4In the solution, brighten with the decolouring of 5～6% hydrogen peroxide then, embathe with 0.5～0.8% watery hydrochloric acid at last.
Three, summary of the invention
The object of the present invention is to provide a kind of whole feather method for bleaching with black.Technical problem to be solved is that the pigment that should effectively remove in the black feather reaches higher whiteness, and the damage and the destruction of to reduce to feather fiber are arranged.
This method for bleaching comprises preliminary treatment, oxidation bleaching and reducing bleach and washing and the drying to whole black feather (calling black feather in the following text, feather).Concrete technical process is as follows:
(1) preliminary treatment is soaked in black feather in the pretreatment fluid exactly, and 30～50 ℃, 0.5～1.5 hour.Pretreatment fluid is to contain 0.3～1.2% (percentage by weight) water miscible ferrous salt and 0.1～0.2% surfactant down together.Surfactant works to reduce water surface tension, soaks into the infiltration that hydrophobic azelon surface makes it wetting, is beneficial to reagent, so ion-type all can use with surfactant nonionic, is good with ionic surfactant.Also can in pretreatment fluid, add 0.5～2% inorganic electrolyte such as KCl, Na for the surface-activity that improves surfactant
2SO
4Deng or/and polar organic matter such as laruyl alcohol, sorbierite, fructose, wood sugar etc.Experimental results show that.When the pH 3～6 that regulates pretreatment fluid with acid, also help improving effects of pretreatment.Preliminary treatment finishes the back washing.
(2) oxidation bleaching is exactly pretreated black feather to be soaked in the oxidation bleaching liquid (calling the oxygen bleaching liquor in the following text) of pH 4～7 45～55 ℃, 0.5～1 hour.Contain 10～30% hydrogen peroxide, 0.1～0.2% water-soluble metasilicate and 0.4～1.0% acyl compounds in the oxygen bleaching liquor, as benzoyl, tetraacetyl ethylene diamine, acetic anhydride, urea etc.Sodium metasilicate has the effect of stablizing pH and thickening oxygen bleaching liquor, to relax the strong oxidizing property of oxygen bleaching liquor.Acyl compounds is a bleach-activating, can interact with hydrogen peroxide and generate peroxycarboxylic acid, and it also has strong oxidizing property under relatively low temperature.Experiment showed, the effect that helps improving oxidation bleaching when in the oxygen bleaching liquor, adding 0.1～0.2% water-soluble alkali earth metal salt.Oxidation bleaching finishes the back washing.
(3) reducing bleach is exactly the feather behind the oxidation bleaching to be soaked in the reducing bleach liquid of pH 3～4 (going back bleaching liquor) 30～50 ℃, 20～40 minutes.Also contain 0.5～1.2% sodium sulfite or sodium hydrogensulfite or sodium thiosulfate or sodium dithionite in the bleaching liquor.Also also can add 0.01～0.03% fluorescent whitening agent as required in the bleaching liquor, to increase whiteness.Reducing bleach finishes back washing, air-dry.One black feather just becomes a white feather.
Experiment showed, that in pretreatment fluid oxygen bleaching liquor neutralization is gone back and can be added all in the bleaching liquor that 0.5～2% bleeding agent is handled to improve, the effect of bleaching.Bleeding agent is methyl-sulfoxide, azone etc.
This processing method is in faintly acid, middle temperature, finish in the short time, technology is simple, and is easy to operate, and the feather whiteness height after the bleaching, good stability, whiteness value all reach more than 80, particularly low, the loss of strength of injury tolerance still is the lamellar of marshalling below 5% in appearance.Be used to process shuttlecock, meet the standard of official ball.
Four, the specific embodiment
(1) water is prepared various treatment fluids
1, pretreatment fluid
Get FeSO
4With surfactant dodecyl sodium sulfate or auxilliary K such as neopelex or fatty alcohol-polyoxyethylene ether
2SO
4Or/and laruyl alcohol, penetrant azone preparation pretreatment fluid is transferred pH 3～6 with sulfuric acid or citric acid.
| Numbering | 1 | 2 | 3 | 4 | 5 |
| Fe 2SO 4 | 0.3％ | 0.5％ | 0.8％ | 1.0％ | 1.2％ |
| Surfactant | 0.15％ | 0.1％ | 0.2％ | 0.12％ | 0.18％ |
| K 2SO 4 | 0.5％ | 2.0％ | 1.5％ | ||
| Laruyl alcohol | 0.5％ | 1.5％ | 2％ | ||
| Azone | 1.5％ | 0.5％ | 2.0％ | ||
| pH | 6 | 5 | 4 | 3 | 6 |
2, oxygen bleaching liquor
Get H
2O
2, water-soluble metasilicate, activating agent benzoyl or auxilliary MgSO such as tetraacetyl ethylene diamine or urea
4With bleeding agent methyl-sulfoxide preparation oxygen bleaching liquor, transfer pH 4～7 with sulfuric acid or citric acid.
| Numbering | 6 | 7 | 8 | 9 |
| H 2O 2 | 10％ | 20％ | 25％ | 30％ |
| Sodium metasilicate | 0.1％ | 0.12％ | 0.2％ | 0.15％ |
| Activating agent | 0.4％ | 0.6％ | 0.8％ | 1.0％ |
| MgSO 4 | 0.1％ | 0.13％ | 0.17％ | 0.2％ |
| Numbering | 6 | 7 | 8 | 9 |
| Bleeding agent | 0.5％ | 1.0％ | 1.5％ | 2.0％ |
| pH | 4.5 | 5 | 6.5 | 7 |
3, go back bleaching liquor
Get reductant Na
2SO
3Or NaHSO
3Or Na
2S
2O
3Or Na
2S
2O
4, the preparation of penetrant azone, fluorescent whitening agent goes back bleaching liquor, transfers pH 3～4 with sulfuric acid or oxalic acid.
| Numbering | 10 | 11 | 12 | 13 |
| Reductant | 0.5％ | 0.8％ | 1.0％ | 1.2％ |
| Bleeding agent | 0.5％ | 1.0％ | 1.5％ | 2.0％ |
| Fluorescent whitening agent | 0.01％ | 0.015％ | 0.02％ | 0.03％ |
| pH | 3.0 | 3.4 | 3.7 | 4.0 |
(2) bleaching of whole black feather is handled
1, black feather is soaked in arbitrary pretreatment fluid of numbering 1～5, respectively at soaking 60min, 50min, 40min, 30min and 20min under 30 ℃, 35 ℃, 40 ℃, 45 ℃, the 50 ℃ conditions.Soak and finish back cold water flush, agitator treating in warm water (50～60 ℃) again.
2, pretreated black feather is soaked in arbitrary oxygen bleaching liquor of numbering 6～9, respectively at soaking 1 hour, 45min, 30min under 45 ℃, 50 ℃, the 60 ℃ conditions.Finish the back cold water flush.
3, the feather after oxygen is floated is soaked in arbitrary the going back in the bleaching liquor of numbering 10～13, respectively at soaking 40min, 30min and 20min under 30 ℃, 40 ℃, the 50 ℃ conditions.Finish back cold water flush, air-dry at last.
Claims (8)
1. the method for bleaching of a whole black feather comprises preliminary treatment, oxidation bleaching and reducing bleach and washing and drying, it is characterized in that:
(1) described preliminary treatment is soaked in black feather in the pretreatment fluid exactly, 30～50 ℃, 0.5～1.5 hour, contain the water-soluble ferrous salt of percentage by weight 0.3～1.2% and the surfactant that plays the effect of reduction water surface of percentage by weight 0.1～0.2% in the pretreatment fluid;
(2) described oxidation bleaching is exactly pretreated black feather to be soaked in the oxidation bleaching liquid of pH 4～7 45～55 ℃, 0.5～1.0 hour; Contain the hydrogen peroxide of percentage by weight 10～30%, the water-soluble metasilicate of percentage by weight 0.1～0.2% and the acyl compounds of percentage by weight 0.4～1.0% in the oxidation bleaching liquid;
(3) described reducing bleach is exactly that the feather behind the oxidation bleaching is soaked in the reducing bleach liquid of pH 3～4,30～50 ℃, 20～40 minutes, contain percentage by weight 0.5～1.2% sodium sulfite or sodium hydrogensulfite or sodium thiosulfate or sodium dithionite in the reducing bleach liquid.
2. method for bleaching according to claim 1 is characterized in that: the inorganic electrolyte that contains percentage by weight 0.5～2% in the pretreatment fluid is or/and polar organic matter.
3. method for bleaching according to claim 1 and 2 is characterized in that: the pH 3～6 of pretreatment fluid.
4. method for bleaching according to claim 3 is characterized in that: the bleeding agent methyl-sulfoxide or the azone that contain percentage by weight 0.5～2% in the pretreatment fluid.
5. according to claim 1 or 4 described method for bleaching, it is characterized in that: the water-soluble alkali earth metal salt that contains percentage by weight 0.1～0.2% in the oxidation bleaching liquid.
6. method for bleaching according to claim 5 is characterized in that: the bleeding agent methyl-sulfoxide or the azone that contain percentage by weight 0.5～2% in the oxidation bleaching liquid.
7. according to claim 1 or 4 or 6 described method for bleaching, it is characterized in that: the bleeding agent methyl-sulfoxide or the azone that contain percentage by weight 0.5～2% in the reducing bleach liquid.
8. method for bleaching according to claim 7 is characterized in that: the fluorescent whitening agent that contains percentage by weight 0.01～0.03% in the reducing bleach liquid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610156047A CN100999865B (en) | 2006-12-29 | 2006-12-29 | Bleaching method of whole black feather |
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| CN200610156047A CN100999865B (en) | 2006-12-29 | 2006-12-29 | Bleaching method of whole black feather |
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| CN100999865B true CN100999865B (en) | 2010-05-19 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720052B (en) * | 2012-07-02 | 2014-07-02 | 北京泛博化学股份有限公司 | Method for bleaching black feathers and adopted bleaching agent, bleaching auxiliary and bleacher |
| CN102817227B (en) * | 2012-08-14 | 2014-07-02 | 安徽舒城县翰文运动用品有限责任公司 | Feather decolorization treatment process |
| CN102851935A (en) * | 2012-09-18 | 2013-01-02 | 安徽明牛羽绒有限公司 | Plush washing technology |
| CN103243542B (en) * | 2013-05-27 | 2015-03-04 | 宁夏荣昌绒业集团有限公司 | Method for bleaching cashmere loose fiber |
| CN103243543B (en) * | 2013-05-27 | 2015-03-04 | 宁夏荣昌绒业集团有限公司 | Decoloration method of colored cashmere loose fiber |
| CN105177983A (en) * | 2014-06-30 | 2015-12-23 | 耿云花 | Cashmere blanching method |
| CN105544178B (en) * | 2016-01-27 | 2017-10-17 | 江苏联宏纺织有限公司 | A kind of method of racoon dog wool fibre bleaching |
| JP2020180220A (en) * | 2019-04-25 | 2020-11-05 | ライオン・スペシャリティ・ケミカルズ株式会社 | Cleaning agent for raw down and cleaning liquid for raw down |
| CN110820310A (en) * | 2019-10-15 | 2020-02-21 | 江阴市长泾花园毛纺织有限公司 | Bleaching treatment process of full-wool fabric |
| CN114164673A (en) * | 2021-12-01 | 2022-03-11 | 安徽芙芮雅羽绒有限公司 | Surface treatment process for improving feather processing characteristics |
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| CN1718906A (en) * | 2005-07-29 | 2006-01-11 | 华南理工大学 | Bleaching method of fenther fabric |
| CN1811047A (en) * | 2006-01-18 | 2006-08-02 | 孙雪保 | Fast decorizing and whitening method of color feather and down |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1718906A (en) * | 2005-07-29 | 2006-01-11 | 华南理工大学 | Bleaching method of fenther fabric |
| CN1811047A (en) * | 2006-01-18 | 2006-08-02 | 孙雪保 | Fast decorizing and whitening method of color feather and down |
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| 张齐明等.黑羽毛的漂白研究.日用化学工业 2.1983,(2),20-23. * |
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