CN105421019B - A kind of fiber bleached technique of human hair - Google Patents
A kind of fiber bleached technique of human hair Download PDFInfo
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Abstract
The invention discloses a kind of fiber bleached techniques of human hair, include the following steps：（1）The surface preparation of human hair fiber；（2）The fed batch oxidation processes of human hair fiber after pretreatment；（3）The reduction treatment of human hair fiber after oxidation processes.Present invention process is simple, it is of low cost, be easy to industrialization, solve human hair it is fiber bleached during yield is low, fibre damage is big deficiency, there is good development prospect and economic value.
Description
Technical field
The invention belongs to textile dyeing and finishing field, more particularly to a kind of fiber bleached technique of human hair.
Background technology
With the improvement of living standards, wig has become the necessary article of the rare crowd of hair and people seeking beauty, these people need
The wig of more colors is wanted to prick up oneself.In addition, liking to be beautiful fashion as one kind, it is deep by many stars and height to wear wig
Consumer groups are liked, and people are more and more frequent for the update of wig, this wig industrial expansion just promoted.Although change
The wig color of fine class is beautiful and cheap, but if wear-time is long, the discomforts such as stuffy, dry can be brought to people
Sense, in some instances it may even be possible to cause skin disease.And human hair belongs to natural fiber, sucting wet air permeability and anti-flammability etc. are fine far better than chemical
Class wig is tieed up, therefore the wig made of human hair is still the first choice of people.Chinese Hair color is even to carry bletilla based on black
Huang etc. is variegated, the difference of wig color is required to meet different crowd, it is necessary to carry out bleaching and dyeing processing to human hair.
The basis of hair is keratin protein, and keratin protein is made of amino acid, they are improved needed for natural on-off cycles of hair growth
Nutrition and ingredient, various amino acid fibers crosslinking is wound mutually by spiral, spring mechanism, forms keratoprotein
Intensity and flexible, so as to impart the exclusive strong and unyielding performance of hair.So propose that human hair is fine during human hair fiber is bleached
Also the destruction of the complete crosslinking method of various amino acid fibers is avoided while melanin in dimension, can be obtained by damage in this way
Hinder human hair fibre technology technology small, that yield is high.
Liu Baojiang etc. discloses a kind of bleaching side of human hair fiber low-carbon in Chinese patent application 201010598676.7
Method, by adding in protease, photooxidation is bleached and washing, has obtained the fiber bleached technique of human hair with certain bleaching effect.
In addition, Liu Baojiang etc. discloses a kind of bleaching of human hair fibers at low temperature with low damage in Chinese patent application 201010598379.2
Human hair fiber agent pretreatment fluid and then is put into pre- matchmaker's treatment fluid, finally by method by adding in scale in human hair fiber
Low-temperature activated bleaching has obtained the fiber bleached technique of human hair with certain fibre whiteness.Above-mentioned report uses different methods
Bleaching is carried out, but the contradiction to human hair between fiber bleached whiteness, yield and intensity does not do deep spy to human hair fiber
It begs for.Chemicals addition simultaneously is more complicated, need to make larger modification for the current technology of enterprise.
Sun Yunfei etc. exists《Wool spinning science and technology》In the paper that the 7th 21-24 pages of the phase of volume 42 in 2014 delivers, using oxalic acid and Asia
Iron ion is initially formed complex compound and carries out catalytic pretreatment to human hair fiber, using hydrogen peroxide as drift agent, has investigated oxalic acid and ferrous iron
The influence of salt dosage, catalytic reaction temperature and time to bleaching human hair whiteness and ultimate strength.But the research emphasis of the paper exists
In the process optimization of catalytic pretreatment, there is no further investigateds in terms of yield, whiteness and intensity.
In recent years, the market demand increase of human hair fiber, price are higher and higher.And come from current correlative study report
See, the contradiction between the fiber bleached whiteness of human hair, yield and intensity still fails to be effectively overcome, a kind of high yield pulp1, high whiteness,
The fiber bleached technique of human hair of low damage, at the same suitable for existing enterprise's process modification bleaching process be improve product quality,
Meet the dual needs of the market demand.
Invention content
The purpose of the present invention is to provide a kind of human hair fiber bleached technique, which is the improvement of industrialization process,
The fed batch technique of oxidation processes section can effectively reduce the oxidant concentration in bleach system, when oxidant concentration is relatively low
It adds in due course, and the post-bleach of human hair fiber is realized in reduction treatment section.With simple for process, of low cost, efficient, dirty
Contaminate that small, low energy consumption, easy industrialized production, it is good to the bleaching effect of human hair fiber, damage is small, there is good development prospect and warp
Ji value.
In order to realize above-mentioned purpose, the scheme of the invention is：
A kind of fiber bleached technique of human hair, which is characterized in that include the following steps：
Step 1, the surface preparation of human hair fiber：
Add in a certain amount of pretreatment fluid in human hair fiber, the bath raio of human hair fiber and pretreatment fluid is 1:4~1:30,
At 50 ~ 95 DEG C of constant temperature, 0.5 ~ 8h is handled；
Step 2, the fed batch oxidation processes of human hair fiber after pretreatment：
It is 1 in bath raio:4~1:30, under the conditions of temperature is 30 ~ 80 DEG C, carry out oxidation processes；Divide the oxygen needed for 2 ~ 8 batches of inputs
The property changed drift agent, the oxidisability drift total addition of agent are 0.1 with over dry human hair fiber quality ratio:1~5:1, every batch of interval 0.5 ~ for 24 hours, always
Bleaching time is controlled in 1 ~ 48h, and before feeding intake for the last time, adds in the friendship for being equivalent to over dry human hair fiber quality 0.1% ~ 5%
Join agent, the reaction was continued 0.5 ~ for 24 hours, it is washed with clear water to neutrality；
Step 3, the reduction treatment of human hair fiber after oxidation processes：
The reproducibility drift for being equivalent to over dry human hair fiber quality 0.1% ~ 5% is added in human hair fiber after above-mentioned oxidation processes
Agent, bath raio 1:4~1:30,0.5 ~ 5h is handled under the conditions of 40 ~ 95 DEG C of constant temperature.It is washed with clear water to neutrality.
In one embodiment of the invention, the pretreatment fluid in the step 1 is organic acid soln and ferrous salt solution
Mass ratio is 1:1~5:1 mixed solution.
In one embodiment of the invention, the organic acid soln in the pretreatment fluid in the step 1 for tartaric acid,
One kind in oxalic acid.
In one embodiment of the invention, the ferrous salt solution in the pretreatment fluid in the step 1 is sub- for oxidation
One kind in iron, ferrous sulfate.
In one embodiment of the invention, the oxidisability drift agent in the step two is hydrogen peroxide.
In one embodiment of the invention, the crosslinking agent in the step two is citric acid, glutaraldehyde, turns glutamy
One kind in amine enzyme (TG), peroxidase (POD), polyphenol oxidase (PPO).
In one embodiment of the invention, the Reductive Bleaching agent described in step 3 is sodium dithionite, titanium dioxide
One kind in thiocarbamide, urea.
By prior art scheme, the beneficial effects of the invention are as follows：
The surface scale of pretreated human hair fiber partially opens effective efficient oxidation decomposition, it can be achieved that melanin,
And the oxidant concentration in bleach system is effectively reduced, reduce extent of the destruction of the oxidation bleaching to fibre strength performance.It is aoxidizing
It is added in due course when agent concentration is relatively low, the oxidant concentration in maintenance system.The multiple drift of reduction supplement finally is being carried out, oxidation can be reduced
To the damage of human hair fiber in bleaching process, the yield and whiteness of human hair fiber are improved.So as to obtain with high yield pulp1, high whiteness
With the human hair fiber of low damage.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, further
Illustrate the present invention.For especially not dated technological parameter, routine techniques progress can refer to.
Following embodiment should be not limited to by realizing the technological means of the present invention, and can be in the technical conditions of foregoing invention content
In the range of be adjusted.
A kind of fiber bleached technique of human hair, which is characterized in that include the following steps：
Step 1, the surface preparation of human hair fiber：
Add in a certain amount of pretreatment fluid in human hair fiber, the bath raio of human hair fiber and pretreatment fluid is 1:4~1:30,
At 50 ~ 95 DEG C of constant temperature, 0.5 ~ 8h is handled.
Step 2, the fed batch oxidation processes of human hair fiber after pretreatment：
It is 1 in bath raio:4~1:30, under the conditions of temperature is 30 ~ 80 DEG C, carry out oxidation processes.Divide the oxygen needed for 2 ~ 8 batches of inputs
The property changed drift agent, oxidisability drift agent（Mass concentration is 30% hydrogen peroxide）Total addition is with over dry human hair fiber quality ratio
0.1:1~5:1, every batch of interval 0.5 ~ for 24 hours, total bleaching time control is in 1 ~ 48h, and before feeding intake for the last time, addition is equivalent to
The crosslinking agent of over dry human hair fiber quality 0.1% ~ 5%, the reaction was continued 0.5 ~ for 24 hours.It is washed with clear water to neutrality.
Step 3, the reduction treatment of human hair fiber after oxidation processes：
The reproducibility drift for being equivalent to over dry human hair fiber quality 0.1% ~ 5% is added in human hair fiber after above-mentioned oxidation processes
Agent, bath raio 1:4~1:30,0.5 ~ 5h is handled under the conditions of 40 ~ 95 DEG C of constant temperature.It is washed with clear water to neutrality；Described in step 3
Reductive Bleaching agent is sodium dithionite, one kind in thiourea dioxide, urea.
Further, the pretreatment fluid wherein in step 1 is organic acid soln and ferrous salt solution mass ratio is 1:1~5:
1 mixed solution, and the organic acid soln in the pretreatment fluid in step 1 is tartaric acid, one kind in oxalic acid；Usually, in advance
Ferrous salt solution in treatment fluid is ferrous oxide, one kind in ferrous sulfate.
Wherein in step 2 oxidisability drift agent be hydrogen peroxide, and the crosslinking agent in step 2 for citric acid, glutaraldehyde,
One kind in transglutaminase (TG), peroxidase (POD), polyphenol oxidase (PPO).
Embodiment 1：
（1）Pretreatment of the pretreatment fluid to human hair fiber：
Ferrous ion in pretreatment fluid has good suction-operated, while again can to the melanin in protein fibre
Realize the catalytic decomposition to hydrogen peroxide.The ferrous sulfate solution of 35g/L tartaric acid, 20g/L are added in over dry human hair fiber,
Bath raio is 1:8, constant temperature water bath is 80 DEG C of processing 3h.
（2）It is fed in batches oxidation bleaching human hair fiber：
Oxidisability floats agent, and in the bleaching time-division, active oxygen is put in explanation, and then active oxygen acts on the chromophoric group of melanin, makes
Pigmentary structures are destroyed, and fiber is made to decolourize.Strong destruction can be also generated to feather keratin simultaneously, makes two sulphur between cutin macromolecular
Key is broken, and hair fiber is caused to be badly damaged.And the big energy discharged during hydrogen peroxide decomposition can promote the decomposition of itself,
So in batches input hydrogen peroxide can reduce hydrogen peroxide decompose in itself release energy promote active oxygen to human hair fiber
Damage.
First, addition is equal with over dry human hair fiber quality in above-mentioned human hair fiber, and mass concentration is 30% peroxidating
Hydrogen floats agent, and it is 1 to be adjusted to bath raio:12, temperature is 45 DEG C of bleaching 3h；
Secondly, over dry human hair fiber quality 50% is continuously added in above-mentioned human hair fiber, mass concentration is 30% peroxide
Change hydrogen drift agent, bath raio 1:12, temperature is 45 DEG C of bleaching 5h；
Finally, the citric acid of over dry human hair fiber quality 0.2% is continuously added in above-mentioned human hair fiber, temperature is 45 DEG C
Bleach 5h.It is washed again in room temperature with clear water to neutrality.
（3）The reduction of human hair fiber is floated again：
Since the active oxygen that oxidisability drift agent generates in oxidation bleaching is big to the breaking of keratoprotein of human hair fiber, so subtracting
Few oxidation bleaching time can reduce damage of the oxidation bleaching to human hair fiber, but can reduce human hair fibre whiteness again.Therefore,
After oxidation bleaching, continue to restore multiple drift, with effective protection human hair fibre strength and required whiteness can be reached.
The sodium dithionite reproducibility drift for being equivalent to over dry human hair fiber quality 3.0% is added in above-mentioned human hair fiber
Agent is 1 in bath raio:15, constant temperature is to handle 1h, then washed with clear water to neutrality in room temperature at 50 DEG C.
Embodiment 2：
（1）Pretreatment of the pretreatment fluid to human hair fiber：
Ferrous ion in pretreatment fluid has good suction-operated, while again can to the melanin in protein fibre
Realize the catalytic decomposition to hydrogen peroxide.The ferrous sulfate solution of 35g/L tartaric acid, 20g/L are added in over dry human hair fiber,
Bath raio is 1:8, constant temperature water bath is 80 DEG C of processing 3h.
（2）It is fed in batches oxidation bleaching human hair fiber：
Oxidisability floats agent, and in the bleaching time-division, active oxygen is put in explanation, and then active oxygen acts on the chromophoric group of melanin, makes
Pigmentary structures are destroyed, and fiber is made to decolourize.Strong destruction can be also generated to feather keratin simultaneously, makes two sulphur between cutin macromolecular
Key is broken, and hair fiber is caused to be badly damaged.And the big energy discharged during hydrogen peroxide decomposition can promote the decomposition of itself,
So in batches input hydrogen peroxide can reduce hydrogen peroxide decompose in itself release energy promote active oxygen to human hair fiber
Damage.
First, addition is equal with over dry human hair fiber quality in above-mentioned human hair fiber, and mass concentration is 30% peroxidating
Hydrogen floats agent, and it is 1 to be adjusted to bath raio:15, temperature is 45 DEG C of bleaching 3h；
Secondly, over dry human hair fiber quality 50% is continuously added in above-mentioned human hair fiber, mass concentration is 30% peroxide
Change hydrogen drift agent, bath raio 1:15, temperature is 45 DEG C of bleaching 5h；
Again, over dry human hair fiber quality 50% is continuously added in above-mentioned human hair fiber, mass concentration is 30% peroxide
Change hydrogen drift agent, bath raio 1:15, temperature is 45 DEG C of bleaching 5h；
Finally, the citric acid of over dry human hair fiber quality 0.5% is continuously added in above-mentioned human hair fiber, temperature is 45 DEG C
Bleach 5h.It is washed again in room temperature with clear water to neutrality.
（3）The reduction of human hair fiber is floated again：
Since the active oxygen that oxidisability drift agent generates in oxidation bleaching is big to the breaking of keratoprotein of human hair fiber, so subtracting
Few oxidation bleaching time can reduce damage of the oxidation bleaching to human hair fiber, but can reduce human hair fibre whiteness again.Therefore,
After oxidation bleaching, continue to restore multiple drift, with effective protection human hair fibre strength and required whiteness can be reached.
The sodium dithionite reproducibility drift for being equivalent to over dry human hair fiber quality 2.0% is added in above-mentioned human hair fiber
Agent is 1 in bath raio:25, constant temperature is to handle 2h, then washed with clear water to neutrality in room temperature at 50 DEG C.
Embodiment 3：
（1）Pretreatment of the pretreatment fluid to human hair fiber：
Ferrous ion in pretreatment fluid has good suction-operated, while again can to the melanin in protein fibre
Realize the catalytic decomposition to hydrogen peroxide.The ferrous sulfate solution of 35g/L tartaric acid, 20g/L are added in over dry human hair fiber,
Bath raio is 1:8, constant temperature water bath is 80 DEG C of processing 3h.
（2）It is fed in batches oxidation bleaching human hair fiber：
Oxidisability floats agent, and in the bleaching time-division, active oxygen is put in explanation, and then active oxygen acts on the chromophoric group of melanin, makes
Pigmentary structures are destroyed, and fiber is made to decolourize.Strong destruction can be also generated to feather keratin simultaneously, makes two sulphur between cutin macromolecular
Key is broken, and hair fiber is caused to be badly damaged.And the big energy discharged during hydrogen peroxide decomposition can promote the decomposition of itself,
So in batches input hydrogen peroxide can reduce hydrogen peroxide decompose in itself release energy promote active oxygen to human hair fiber
Damage.
First, addition is equal with over dry human hair fiber quality in above-mentioned human hair fiber, and mass concentration is 30% peroxidating
Hydrogen floats agent, and it is 1 to be adjusted to bath raio:12, temperature is 40 DEG C of bleaching 5h；
Secondly, over dry human hair fiber quality 50% is continuously added in above-mentioned human hair fiber, mass concentration is 30% peroxide
Change hydrogen drift agent, bath raio 1:12, temperature is 40 DEG C of bleaching 7h；
Finally, the citric acid of over dry human hair fiber quality 1.0% is continuously added in above-mentioned human hair fiber, temperature is 40 DEG C
Bleach 5h.It is washed again in room temperature with clear water to neutrality.
（3）The reduction of human hair fiber is floated again：
Since the active oxygen that oxidisability drift agent generates in oxidation bleaching is big to the breaking of keratoprotein of human hair fiber, so subtracting
Few oxidation bleaching time can reduce damage of the oxidation bleaching to human hair fiber, but can reduce human hair fibre whiteness again.Therefore,
After oxidation bleaching, continue to restore multiple drift, with effective protection human hair fibre strength and required whiteness can be reached.
The sodium dithionite reproducibility drift for being equivalent to over dry human hair fiber quality 1.5% is added in above-mentioned human hair fiber
Agent is 1 in bath raio:15, constant temperature is to handle 1h, then washed with clear water to neutrality in room temperature at 50 DEG C.
Embodiment 4：
（1）Pretreatment of the pretreatment fluid to human hair fiber：
Ferrous ion in pretreatment fluid has good suction-operated, while again can to the melanin in protein fibre
Realize the catalytic decomposition to hydrogen peroxide.The ferrous sulfate solution of 35g/L tartaric acid, 20g/L are added in over dry human hair fiber,
Bath raio is 1:8, constant temperature water bath is 80 DEG C of processing 3h.
（2）It is fed in batches oxidation bleaching human hair fiber：
Oxidisability floats agent, and in the bleaching time-division, active oxygen is put in explanation, and then active oxygen acts on the chromophoric group of melanin, makes
Pigmentary structures are destroyed, and fiber is made to decolourize.Strong destruction can be also generated to feather keratin simultaneously, makes two sulphur between cutin macromolecular
Key is broken, and hair fiber is caused to be badly damaged.And the big energy discharged during hydrogen peroxide decomposition can promote the decomposition of itself,
So in batches input hydrogen peroxide can reduce hydrogen peroxide decompose in itself release energy promote active oxygen to human hair fiber
Damage.
First, addition is equal with over dry human hair fiber quality in above-mentioned human hair fiber, and mass concentration is 30% peroxidating
Hydrogen floats agent, and it is 1 to be adjusted to bath raio:15, temperature is 40 DEG C of bleaching 5h；
Secondly, over dry human hair fiber quality 50% is continuously added in above-mentioned human hair fiber, mass concentration is 30% peroxide
Change hydrogen drift agent, bath raio 1:15, temperature is 40 DEG C of bleaching 7h；
Again, over dry human hair fiber quality 50% is continuously added in above-mentioned human hair fiber, mass concentration is 30% peroxide
Change hydrogen drift agent, bath raio 1:15, temperature is 40 DEG C of bleaching 7h；
Finally, the citric acid of over dry human hair fiber quality 1.0% is continuously added in above-mentioned human hair fiber, temperature is 40 DEG C
Bleach 5h.It is washed again in room temperature with clear water to neutrality.
（3）The reduction of human hair fiber is floated again：
Since the active oxygen that oxidisability drift agent generates in oxidation bleaching is big to the breaking of keratoprotein of human hair fiber, so subtracting
Few oxidation bleaching time can reduce damage of the oxidation bleaching to human hair fiber, but can reduce human hair fibre whiteness again.Therefore,
After oxidation bleaching, continue to restore multiple drift, with effective protection human hair fibre strength and required whiteness can be reached.
The sodium dithionite reproducibility drift for being equivalent to over dry human hair fiber quality 2.0% is added in above-mentioned human hair fiber
Agent is 1 in bath raio:25, constant temperature is to handle 2h, then washed with clear water to neutrality in room temperature at 50 DEG C.
The basic principle of patent of the present invention and main feature and the advantages of patent of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that patent of the present invention is not restricted to the described embodiments, described in above embodiments and description
Only illustrate the principle of patent of the present invention, under the premise of patent spirit and scope of the present invention are not departed from, patent of the present invention is also
Various changes and modifications are had, these changes and improvements are both fallen in claimed invention the scope of the claims.Patent of the present invention
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of fiber bleached technique of human hair, which is characterized in that include the following steps：
Step 1, the surface preparation of human hair fiber：
Add in a certain amount of pretreatment fluid in human hair fiber, the bath raio of human hair fiber and pretreatment fluid is 1:4~1:30, in perseverance
At 50 ~ 95 DEG C of temperature, 0.5 ~ 8h is handled；
Step 2, the fed batch oxidation processes of human hair fiber after pretreatment：
It is 1 in bath raio:4~1:30, under the conditions of temperature is 30 ~ 80 DEG C, carry out oxidation processes；Divide the oxidisability needed for 2 ~ 8 batches of inputs
Agent is floated, the oxidisability drift total addition of agent is 0.1 with over dry human hair fiber quality ratio:1~5:1, every batch of interval 0.5 ~ for 24 hours, it is total to bleach
Time control adds in the crosslinking agent for being equivalent to over dry human hair fiber quality 0.1% ~ 5% in 1 ~ 48h, and before feeding intake for the last time,
The reaction was continued 0.5 ~ for 24 hours, it is washed with clear water to neutrality；
Crosslinking agent in the step two is citric acid, glutaraldehyde, transglutaminase (TG), peroxidase (POD), polyphenol
One kind in oxidizing ferment (PPO)；
Step 3, the reduction treatment of human hair fiber after oxidation processes：
The Reductive Bleaching agent for being equivalent to over dry human hair fiber quality 0.1% ~ 5% is added in human hair fiber after above-mentioned oxidation processes,
Bath raio is 1:4~1:30,0.5 ~ 5h is handled under the conditions of 40 ~ 95 DEG C of constant temperature, is washed with clear water to neutrality.
A kind of 2. fiber bleached technique of human hair according to claim 1, which is characterized in that the pretreatment in the step 1
Liquid is that the mass ratio of organic acid soln and ferrous salt solution is 1:1~5:1 mixed solution.
A kind of 3. fiber bleached technique of human hair according to claim 2, which is characterized in that having in the pretreatment fluid
Machine acid solution is tartaric acid, one kind in oxalic acid.
A kind of 4. fiber bleached technique of human hair according to claim 2, which is characterized in that the Asia in the pretreatment fluid
Iron salt solutions are ferrous oxide, one kind in ferrous sulfate.
A kind of 5. fiber bleached technique of human hair according to claim 1, which is characterized in that the oxidation in the step two
Property drift agent be hydrogen peroxide.
A kind of 6. fiber bleached technique of human hair according to claim 1, which is characterized in that the reproducibility described in step 3
Drift agent is sodium dithionite, one kind in thiourea dioxide, urea.
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| CN107156975B (en) * | 2017-06-23 | 2018-11-02 | 山东理工大学 | The method that biological fermentation process removes melanin in human hair fiber |
| CN107173896B (en) * | 2017-06-23 | 2018-11-02 | 山东理工大学 | The biological decolouring technique of Yangization Fa treatment oil dyeing human hair fibers |
| CN108252079A (en) * | 2018-01-19 | 2018-07-06 | 安徽富泰发饰文化股份有限公司 | A kind of method of Bleaching of Black Human Hair decoloration |
| CN108729208A (en) * | 2018-06-14 | 2018-11-02 | 许昌学院 | Yi Zhong treatment oil human hair bleaching process |
| CN110424147A (en) * | 2019-06-20 | 2019-11-08 | 许昌学院 | A kind of method of the Shuan oxygen water Piao Bai treatment oil human hair of simple green high-efficient |
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| CN1221814A (en) * | 1997-12-27 | 1999-07-07 | 中国科学院新疆化学研究所 | Reduction-oxidation dyeing method for hair |
| CN102080328A (en) * | 2010-12-21 | 2011-06-01 | 东华大学 | Low-carbon bleaching method for human hair fiber |
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| JPH0247358A (en) * | 1988-08-04 | 1990-02-16 | Toyobo Co Ltd | Bleaching of composite raw material |
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| CN1050232A (en) * | 1989-09-15 | 1991-03-27 | 刘士杰 | The technology that a kind of chemical treatment people sends out |
| CN1221814A (en) * | 1997-12-27 | 1999-07-07 | 中国科学院新疆化学研究所 | Reduction-oxidation dyeing method for hair |
| CN102080328A (en) * | 2010-12-21 | 2011-06-01 | 东华大学 | Low-carbon bleaching method for human hair fiber |
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