CN102720052B - Method for bleaching black feathers and adopted bleaching agent, bleaching auxiliary and bleacher - Google Patents
Method for bleaching black feathers and adopted bleaching agent, bleaching auxiliary and bleacher Download PDFInfo
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- CN102720052B CN102720052B CN201210228075.6A CN201210228075A CN102720052B CN 102720052 B CN102720052 B CN 102720052B CN 201210228075 A CN201210228075 A CN 201210228075A CN 102720052 B CN102720052 B CN 102720052B
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Abstract
The invention relates to the field of chemical industry, in particular to a method for bleaching black feathers and a bleaching agent, a bleaching auxiliary and a bleacher adopted by the method. The method for bleaching black feathers comprises the steps of: soaking black feathers in a solution composed of water, ferrous sulphate and the bleaching agent; oxidatively bleaching the soaked black feathers in a solution composed of water, hydrogen peroxide and the bleaching agent; removing residual ferrous ions on the black feathers, which are oxidatively bleached, in a solution composed of water, oxalic acid and the bleacher, and reductively bleaching the black feathers which are oxidatively bleached. Through the method for bleaching black feathers provided by the invention, proteins, which are destroyed by the hydrogen peroxide, of the black feathers in the oxidative bleaching process can be repaired, and the damage of the black feathers in the bleaching processes can be reduced.
Description
Technical field
The present invention relates to chemical field, especially relate to a kind of method of bleaching black plumage and used float toner, float look auxiliary agent and bleaching agent.
Background technology
In feather products, the application of white feather is very extensive, and especially often supply falls short of demand for the feather such as goose, duck, and white feather itself can be made shuttlecock etc., or can, after dyeing, make other feather products.
In the existing method that black plumage is bleached, first with ferrous ion, feather is carried out and processing, then in hydrogen peroxide, carry out oxidation bleaching, finally in hydrosulfurous acid sodium solution, carry out reducing bleach.Because pigment granule is with sulfydryl key and the chromoprotein combination of cysteine, exist in the cortical layer in feather fiber, and pigment granule is in heaps, be distributed in this one deck without certain rule, the scale layer that when bleaching, hydrogen peroxide must be first sees through feather could contact with pigment granule with cortical layer, in this process hydrogen peroxide with mao scale layer and cortical layer effect and make the scale layer of feather and cortical layer destroyed.
The scale layer of feather and cortical layer are destroyed in bleaching, make to be occurred damage by the black plumage after bleaching, and are unfavorable for by the use after bleaching.
Summary of the invention
The present invention proposes the method for bleaching black plumage and used float toner, float look auxiliary agent and bleaching agent, can repair the black plumage protein that hydrogen peroxide destroys in bleaching process, being reduced in the damage of black plumage in bleaching process.
In order to achieve the above object, technical scheme of the present invention is achieved in that
The method of bleaching black plumage, comprising:
Black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms; Wherein, in every 1000g water, ferrous sulfate is respectively 9g-11g and 10g-12g with the content that floats look auxiliary agent;
The black plumage after soaking being carried out to oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms; Wherein in every 1000g water, hydrogen peroxide is respectively 60g-70g and 14g-16g with the content that floats toner;
In the solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out to reducing bleach processing; Wherein, every 1000g water mesoxalic acid and the content part of floating toner Wei 1g-4g and 3.5g-4.5g.
Preferably, in the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, soaking temperature is 60 DEG C-65 DEG C;
And/or,
In the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, the acidity-basicity ph value of immersion is between 3-3.5;
And/or,
In the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, soak time is 2-3 hour.
Preferably, described the black plumage after soaking being carried out in the step of oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms, the acidity-basicity ph value of described solution is between 8-9;
And/or,
Described the black plumage after soaking being carried out in the step of oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms, the time of described oxidation bleaching is 10-12 hour.
Preferably, in the described solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out in the step of reducing bleach processing, the acidity-basicity ph value of described solution is between 1.5-3;
And/or,
In the described solution being made up of water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out in the step of reducing bleach processing, the time of processing is 4-6 hour.
Preferably, in the described solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out after the step of reducing bleach processing, also comprise that increasing the sense of workprint oil processes;
The sense of described increase workprint oil is treated to, and black plumage is used to the emulsifying agent for increasing the smooth degree of black plumage and brightness.
The used toner that floats in the method for bleaching black plumage, described in float toner and comprise by weight: 1 part-2 parts, 4.5 parts-5.5 parts of sodium pyrophosphates, 1.5 parts-2.5 parts of sodium hydrogen phosphates and magnesium sulfate;
Described floating also comprises 1 part-2 parts of 0.5 part-1.5 parts of fish peptones and polyalcohols in toner.
Preferably, described in float toner and also comprise by weight: 0.4 part-0.6 part of soda ash, and/or, 1.3 parts-1.6 parts of peroxide, and/or, 0.4 part-0.6 part of sodium glutamate.
In the method for bleaching black plumage, the used look auxiliary agent that floats, is characterized in that, described in float look auxiliary agent and comprise by weight: 3.5 parts-4.5 parts of 4.5 parts-6.5 parts of organic acids and sodium hydrogensulfites.
Preferably, described organic acid is nylon acid or lactic acid, or the two by weight, the mixing that 3 parts-5 parts of nylon acid and lactic acid are 1 part-2 parts.
Bleaching agent used in the method for bleaching black plumage, described bleaching agent comprises by weight: the mixture that 4 parts-5 parts of sodium dithionites, 1 part-2 parts of stabilizing agents, 1.5 parts-2.5 parts of sodium pyrophosphates and sodium sulfite are 1.5 parts-2.5 parts.
Can be found out by above description, the present invention has the following advantages:
In the time black plumage being carried out to oxidation bleaching processing, floating fish peptone and the polyalcohol for repairing the black plumage being destroyed by hydrogen peroxide that toner comprises can repair the protein of the scale layer of the feather being destroyed by hydrogen peroxide and cortical layer, thereby is reduced in the damage of black plumage in bleaching process.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, accompanying drawing to required use in embodiment or description of the Prior Art being done to one below introduces simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of the method for the bleaching black plumage that provides of the embodiment of the present invention one;
Fig. 2 is the flow chart of the method for the bleaching black plumage that provides of the embodiment of the present invention two;
Fig. 3 is the flow chart of the method for the bleaching black plumage that provides of the embodiment of the present invention three.
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The method of bleaching black plumage, is characterized in that, comprising:
Black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms; Wherein, in every 1000g water, ferrous sulfate is respectively 9g-11g and 10g-12g with the content that floats look auxiliary agent;
The black plumage after soaking being carried out to oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms; Wherein in every 1000g water, hydrogen peroxide is respectively 60g-70g and 14g-16g with the content that floats toner;
In the solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out to reducing bleach processing; Wherein, every 1000g water mesoxalic acid and the content part of floating toner Wei 1g-4g and 3.5g-4.5g.
Because the ferrous ion of divalence is easy to the oxidized iron ion that becomes trivalent, there is stronger reducibility and float look auxiliary agent, can make the ferrous ion in ferrous sulfate remain unchanged.Float toner and can make hydrogen peroxide keep stable, and wherein contain peptone and polyalcohol.Composition in peptone and polyalcohol can combine with destroyed protein,, can repair to a certain extent the protein being destroyed by hydrogen peroxide that is, is reduced in the damage of black plumage in bleaching process.Owing to remaining divalence ferrous ion on oxidation bleaching black plumage after treatment, after divalence ferrous ion is oxidized, become ferric ion, ferric ion be the color of iron rust, can affect the color of the black plumage after bleaching, therefore with oxalic acid, ferrous ion is processed the ferric oxalate that generation can be water-soluble.Can oxidizedly present light yellowly for fear of melanin destroyed in the black plumage of peroxide bleaching processing, therefore use bleaching agent to carry out reducing bleach to oxidation bleaching black plumage after treatment, make feather more pure white.
In each embodiment of the present invention, as preferred version, in the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, soaking temperature is 60 DEG C-65 DEG C;
And/or,
In the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, the acidity-basicity ph value of immersion is between 3-3.5;
And/or,
In the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, the time of immersion is 2-3 hour.
Because feather contains a large amount of protein, too high temperature both can make protein denaturation, can cause again the waste of the energy; Too low temperature can make in the speed of black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms slack-off, reduces the efficiency of feather bleaching, therefore selects between 60 DEG C-65 DEG C.At normal temperatures, the best pH value that melanin and ferrous ion are combined is between 4.5-5, and between 60 DEG C-65 DEG C, according to experiment, the best pH value that melanin and ferrous ion are combined is between 3-3.5.Due in the time black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, ferrous ion needs the regular hour to combine with melanin, through experiment, in the time of black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, generally at 2-3 hour, the effect of processing is best.
In each embodiment of the present invention, as preferred version, described the black plumage after soaking being carried out in the step of oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms, the soda acid pH value of described solution is between 8-9;
And/or,
Described the black plumage after soaking being carried out in the step of oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms, the time of described oxidation bleaching is 10-12 hour.
Hydrogen peroxide is alkalescence, therefore needs, under alkali condition, black plumage is carried out to oxidation bleaching, and through experiment, best acidity-basicity ph value is between 8-9.Need oxidation bleaching processing the melanin in black plumage can be destroyed fully through the time of 10-12 hour.
In each embodiment of the present invention, as preferred version, in the described solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out in the step of reducing bleach processing, the acidity-basicity ph value of described solution is between 1.5-3;
And/or,
In the described solution being made up of water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out in the step of reducing bleach processing, the time of processing is 4-6 hour.
Because ferric oxalate is strong acid weak base salt, can be water-soluble, and bleaching agent is acidic materials, pH value is redox most effective between 1.5-3.Through experiment, in the solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and to the black plumage after oxidation bleaching carry out reducing bleach process process time more than 4 hours, make it reaction more abundant.
In each embodiment of the present invention, as preferred version, in the described solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out after the step of reducing bleach processing, also comprise that increasing the sense of workprint oil processes;
The sense of described increase workprint oil is treated to, and black plumage is used to the lubricant emulsion for increasing the smooth degree of black plumage and brightness.
Owing to removing ferrous ion residual on the black plumage after oxidation bleaching in the solution being formed by water, oxalic acid and bleaching agent, and the black plumage after oxidation bleaching is carried out after reducing bleach processing, grease on black plumage can be destroyed or be washed off, make feather lackluster, can increase the smooth degree of black plumage and brightness with lubricant emulsion.Preferably, described lubricant emulsion is silicone emulsion.
The used toner that floats in the method for bleaching black plumage, described in float toner and comprise by weight: 1 part-2 parts, 4.5 parts-5.5 parts of sodium pyrophosphates, 1.5 parts-2.5 parts of sodium hydrogen phosphates and magnesium sulfate;
Described floating also comprises 1 part-2 parts of 0.5 part-1.5 parts of fish peptones and polyalcohols in toner.
The toner that floats provided by the invention can make hydrogen peroxide keep stable, and wherein contains fish peptone and polyalcohol.Composition in fish peptone and polyalcohol can combine with destroyed protein,, can repair the protein being destroyed by hydrogen peroxide that is, is reduced in the damage of black plumage in bleaching process.
In each embodiment of the present invention, as preferred version, described in float toner and also comprise by weight: 0.4 part-0.6 part of soda ash, and/or, 1.3 parts-1.6 parts of peroxide, and/or, 0.4 part-0.6 part of sodium glutamate.
Above-mentioned material can play regulating action, makes to float toner effect better.For example glutamic acid ammonia can combine with destroyed protein, reduces the fragility occurring after the bleaching of black plumage black plumage; Soda ash can regulate the pH value that floats toner; Peroxide can strengthen the stability of hydrogen peroxide.
The used look auxiliary agent that floats in the method for bleaching black plumage, described in float look auxiliary agent and comprise by weight: 3.5 parts-4.5 parts of 4.5 parts-6.5 parts of organic acids and sodium hydrogensulfites.
Because organic acid is more high temperature resistant, so add organic acid floating in look auxiliary agent, can improve in the temperature of black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, thereby improve in the speed of black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms.Sodium hydrogensulfite has stronger reducibility, can make the ferrous ion of divalence keep stable.
In each embodiment of the present invention, as preferred version, described organic acid is nylon acid or lactic acid, or the two by weight, the mixing that 3 parts-5 parts of nylon acid and lactic acid are 1 part-2 parts.
Due to nylon acid and lactic acid structure in the situation that temperature is higher more stable, therefore can make to accelerate in the speed of black plumage being carried out to immersion treatment by water, ferrous sulfate and in floating the solution that look auxiliary agent forms for floating look auxiliary agent.
Bleaching agent used in the method for bleaching black plumage, described bleaching agent comprises by weight: the mixture that 4 parts-5 parts of sodium dithionites, 1 part-2 parts of stabilizing agents, 1.5 parts-2.5 parts of sodium pyrophosphates and sodium sulfite are 1.5 parts-2.5 parts.
Embodiment mono-:
Referring to Fig. 1, the method for the bleaching black plumage that embodiment mono-provides comprises:
Step 101: black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms; Wherein, in every 1000g water, ferrous sulfate is respectively 9g and 10g with the content that floats look auxiliary agent;
Step 102: the black plumage after soaking being carried out to oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms; Wherein in every 1000g water, hydrogen peroxide is respectively 60g and 14g with the content that floats toner;
Step 103: remove ferrous ion residual on the black plumage after oxidation bleaching in the solution being formed by water, oxalic acid and bleaching agent, and the black plumage after oxidation bleaching is carried out to reducing bleach processing; Wherein, every 1000g water mesoxalic acid and the content part of floating toner Wei 1g and 3.5g.
Embodiment bis-:
Referring to Fig. 2, the method for the bleaching black plumage that embodiment bis-provides comprises:
Step 201: be 60 DEG C in temperature, acidity-basicity ph value is 3 o'clock, black plumage being carried out to immersion treatment 2 hours by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, wherein, in every 1000g water, ferrous sulfate is respectively 11g and 12g with the content that floats look auxiliary agent;
Step 202: be 8 o'clock at acidity-basicity ph value, the black plumage after soaking being carried out to oxidation bleaching 10 hours by water, hydrogen peroxide and in floating the solution that toner forms, wherein in every 1000g water, hydrogen peroxide is respectively 70g and 16g with the content that floats toner;
Step 203: be 1.5 o'clock at acidity-basicity ph value, in the solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out to reducing bleach and process 4 hours, wherein, every 1000g water mesoxalic acid and the content part of floating toner Wei 4g and 4.5g.
Embodiment tri-:
Referring to Fig. 3, the method for the bleaching black plumage that embodiment tri-provides comprises:
Step 301: be 65 DEG C in temperature, acidity-basicity ph value is 3.5 o'clock, black plumage being carried out to immersion treatment 3 hours by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, wherein, in every 1000g water, ferrous sulfate is respectively 11g and 12g with the content that floats look auxiliary agent;
Step 302: be 9 o'clock at acidity-basicity ph value, the black plumage after soaking being carried out to oxidation bleaching 12 hours by water, hydrogen peroxide and in floating the solution that toner forms, wherein in every 1000g water, hydrogen peroxide is respectively 70g and 16g with the content that floats toner;
Step 303: be 3 o'clock at acidity-basicity ph value, in the solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out to reducing bleach and process 6 hours, wherein, every 1000g water mesoxalic acid and the content part of floating toner Wei 4g and 4.5g.
Embodiment tetra-:
Floating toner comprises by weight: 1 part, 4.5 parts of sodium pyrophosphates, 1.5 parts of sodium hydrogen phosphates and magnesium sulfate;
Described floating also comprises 1 part of 0.5 part of fish peptone and polyalcohol in toner;
Described floating in toner also comprises 0.4 part of soda ash, 1.3 parts of peroxide, 0.4 part of sodium glutamate.
Embodiment five:
Floating toner comprises by weight: 2 parts, 5.5 parts of sodium pyrophosphates, 2.5 parts of sodium hydrogen phosphates and magnesium sulfate;
Described floating also comprises 2 parts of 1.5 parts of fish peptones and polyalcohols in toner;
Described floating in toner also comprises 0.6 part of soda ash, 1.6 parts of peroxide, 0.6 part of sodium glutamate.
Embodiment six:
The described look auxiliary agent that floats comprises by weight: 3.5 parts of 4.5 parts of organic acids and sodium hydrogensulfites.
Wherein, organic acid comprises by weight: 1 part of 3 parts of nylon acid and lactic acid.
Embodiment seven:
The described look auxiliary agent that floats comprises by weight: 4.5 parts of 6.5 parts of organic acids and sodium hydrogensulfites.
Wherein, organic acid comprises by weight: 2 parts of 5 parts of nylon acid and lactic acid.
Embodiment eight:
Described bleaching agent comprises by weight: the mixture that 4 parts of sodium dithionites, 1 part of stabilizing agent, 1.5 parts of sodium pyrophosphates and sodium sulfite are 1.5 parts.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. the method for bleaching black plumage, is characterized in that, comprising:
Black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms; Wherein, in every 1000g water, ferrous sulfate is respectively 9g-11g and 10g-12g with the content that floats look auxiliary agent;
The black plumage after soaking being carried out to oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms; Wherein in every 1000g water, hydrogen peroxide is respectively 60g-70g and 14g-16g with the content that floats toner;
In the solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out to reducing bleach processing; Wherein, content part of every 1000g water mesoxalic acid and bleaching agent Wei 1g-4g and 3.5g-4.5g;
The described toner that floats comprises by weight: 1 part-2 parts of 4.5 parts-5.5 parts of sodium pyrophosphates, 1.5 parts-2.5 parts of sodium hydrogen phosphates, 1 part-2 parts, magnesium sulfate, 0.5 part-1.5 parts of fish peptones and polyalcohols.
2. the method for bleaching black plumage according to claim 1, is characterized in that, in the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, soaking temperature is 60 DEG C-65 DEG C;
And/or,
In the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, the acidity-basicity ph value of immersion is between 3-3.5;
And/or,
In the described step black plumage being soaked by water, ferrous sulfate and in floating the solution that look auxiliary agent forms, soak time is 2-3 hour.
3. the method for bleaching black plumage according to claim 1, it is characterized in that, described the black plumage after soaking being carried out in the step of oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms, the acidity-basicity ph value of described solution is between 8-9;
And/or,
Described the black plumage after soaking being carried out in the step of oxidation bleaching by water, hydrogen peroxide and in floating the solution that toner forms, the time of described oxidation bleaching is 10-12 hour.
4. the method for bleaching black plumage according to claim 1, it is characterized in that, in the described solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out in the step of reducing bleach processing, the acidity-basicity ph value of described solution is between 1.5-3;
And/or,
In the described solution being made up of water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out in the step of reducing bleach processing, the time of processing is 4-6 hour.
5. the method for bleaching black plumage according to claim 1, it is characterized in that, in the described solution being formed by water, oxalic acid and bleaching agent, remove ferrous ion residual on the black plumage after oxidation bleaching, and the black plumage after oxidation bleaching is carried out after the step of reducing bleach processing, also comprise that increasing the sense of workprint oil processes;
The sense of described increase workprint oil is treated to, and black plumage is used to the emulsifying agent for increasing the smooth degree of black plumage and brightness.
6. the method for bleaching black plumage according to claim 1, is characterized in that, described in float toner and also comprise by weight: 0.4 part-0.6 part of soda ash, and/or, 1.3 parts-1.6 parts of peroxide, and/or, 0.4 part-0.6 part of sodium glutamate.
7. the method for bleaching black plumage according to claim 1, is characterized in that, described in float look auxiliary agent and comprise by weight: 3.5 parts-4.5 parts of 4.5 parts-6.5 parts of organic acids and sodium hydrogensulfites.
8. the method for bleaching black plumage according to claim 7, is characterized in that, described organic acid is nylon acid or lactic acid, or the two by weight, the mixing that 3 parts-5 parts of nylon acid and lactic acid are 1 part-2 parts.
9. the method for bleaching black plumage according to claim 1, it is characterized in that, described bleaching agent comprises by weight: the mixture that 4 parts-5 parts of sodium dithionites, 1 part-2 parts of stabilizing agents, 1.5 parts-2.5 parts of sodium pyrophosphates and sodium sulfite are 1.5 parts-2.5 parts.
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| CN104294577B (en) * | 2013-07-16 | 2016-03-09 | 威海市锐达羽毛制品有限公司 | A kind of method for bleaching of coloured pinaculum of badminton |
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| CN105040398A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved cashmere oxidation bleaching method |
| CN107022902A (en) * | 2017-05-02 | 2017-08-08 | 安徽繁盛禽业有限公司 | A kind of preparation method of shuttlecock feather piece |
| CN108221357A (en) * | 2018-01-09 | 2018-06-29 | 重庆菲利克思农业发展有限公司 | A kind of peacock feather purificant and the method for bleaching peacock feather |
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| US5084066A (en) * | 1989-01-19 | 1992-01-28 | United States Of America, As Represented By The Secretary Of Agriculture | Sequential oxidative and reductive bleaching of pigmented and unpigmented fibers |
| CN1718906A (en) * | 2005-07-29 | 2006-01-11 | 华南理工大学 | Bleaching method of fenther fabric |
| CN100999865A (en) * | 2006-12-29 | 2007-07-18 | 安徽大学 | Bleaching method of whole black feather |
| CN101215776A (en) * | 2008-01-18 | 2008-07-09 | 安徽大学 | Method for bleaching black feather and cotton fabric |
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