CN104593876A - Method for performing human hair descaling treatment by utilizing human hair bleaching waste water - Google Patents
Method for performing human hair descaling treatment by utilizing human hair bleaching waste water Download PDFInfo
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- CN104593876A CN104593876A CN201510031741.0A CN201510031741A CN104593876A CN 104593876 A CN104593876 A CN 104593876A CN 201510031741 A CN201510031741 A CN 201510031741A CN 104593876 A CN104593876 A CN 104593876A
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- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
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Abstract
The invention belongs to the field of processing human hair products, and particularly relates to a method for performing human hair descaling treatment by utilizing human hair bleaching waste water. The method comprises the following steps: firstly, preoxidizing human hair fibers by using human hair bleaching waste water, then treating with catalase, and finally treating with protease. The recycling of bleaching waste water can be realized by adopting the human hair descaling treatment method; the limited damage to the scale layer of human hair fibers can be realized, and further the strength property of the fibers can be enhanced; the method is simple in technology and suitable for industry production.
Description
Technical field
The invention belongs to the manufacture field of people's hair products, be specifically related to a kind of method utilizing human hair bleaching effluent to carry out human hair desquamation process.
Background technology
In the production process of people's hair products, need first deface scale layer-stripping squama process, then destroy the natural black pigment in human hair with oxidation or reduction means, and then produce the people's hair products comprising all kinds of color and performance.But the basic ingredient of human hair scale layer is the rigid keratin protein of various natural amino acid composition, stability is high, good springiness, dilatancy are little, and itself plays very important protective effect for the cortical layer of human hair inside and melanin.For this reason, first traditional human hair product row sparetime university many employings chloro-containing reagent carries out stripping squama process (acid system desquamation) to human hair, thus enables bleaching assistant penetrate into human hair inside, and then reacts with melanin generation number of chemical and be removed.But, the method due to the process of reaction restive, easily cause reaction irregular, and bigger than normal to the strength damage of human hair; And a large amount of absorbable organohalogen compounds AOX can be generated in process, environment is worked the mischief.
In the fiber bleached process of human hair, hydrogen peroxide is the most frequently used to a class bleaching agent, and the oxidation of melanin in human hair fiber can effectively be faded and be dissolved in bleaching liquid by it.In order to realize the effect that human hair fiber is bleached preferably, hydrogen peroxide needs excessive more, thus causes in waste water too containing more hydrogen peroxide composition.This bleaching effluent general cannot carry out recovery again and use, and can only all enter wastewater treatment equipment and process, thus cause the larger wasting of resources.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of method utilizing human hair bleaching effluent to carry out human hair desquamation process, realize the recycling of bleaching effluent; Realize the limited damage to human hair fiber scale layer, and then improve the strength property of fiber; Technique is simple, be suitable for suitability for industrialized production.
The method utilizing human hair bleaching effluent to carry out human hair desquamation process of the present invention, first, with human hair bleaching effluent to the process of human hair fiber preoxidation, then uses hydrogen peroxide ferment treatment, finally uses Protease Treatment.
The described human hair bleaching effluent that utilizes carries out the method for human hair desquamation process, comprises the following steps:
(1) pre-oxidation treatment of human hair fiber
First, the mass content controlling hydrogen peroxide in human hair bleaching effluent is 0.5% to 4%; Put into human hair fiber again to soak, soak complete taking-up human hair fiber;
(2) hydrogen peroxide ferment treatment
Add hydrogen peroxide enzyme aqueous solution in human hair fiber after the pre-oxidation treatment that step (1) obtains to process, be disposed and take out human hair fiber;
(3) Protease Treatment
Human hair fiber after the hydrogen peroxide ferment treatment obtain step (2) is put into aqueous solution of protease and is soaked, and takes out and cleans, obtain the human hair fiber of desquamation.
Wherein,
In step (1), human hair bleaching effluent is the waste water after human hair fiber carries out hydrogen peroxide bleaching.Preferred: pH value is 7-8.5, the mass content of hydrogen peroxide is 0.05%-5%, and the mass content of potassium peroxydisulfate is 0.5%-2%, and the mass content of sodium metasilicate is the waste water of 0.5%-3%.
In step (1), soaking temperature is 20-40 DEG C, and soak time is 10-30min.In immersion process, pH can change with soak time, and therefore immersion process needs constantly to follow the tracks of pH change, constantly adds ammoniacal liquor maintenance pH and stablizes.
In step (2), in hydrogen peroxide enzyme aqueous solution, catalatic mass content is 0.1%-5%; Wherein, catalase is Terminox Ultra 50L.
In step (3), the pH value of aqueous solution of protease is 4-8; Protease is the one in microbe-derived protease, the protease of plant origin or the protease of animal origin; The mass percent of protease and human hair fiber is 0.1%-10%.
Microbe-derived protease is one or more in actinomyces protease, alkali protease, serrapeptass, mold protease, Aspergillus oryzae or aspergillus niger; The protease of plant origin is one or more in papain, ficin or bromelain; The protease of animal origin be trypsase or intestines coagulate in enzyme one or both.
In step (3), soaking temperature is 20-60 DEG C, and soak time is 10-30min.
The bath raio of step (1), step (2) and step (3) is respectively 1:10-1:50,1:10-1:40 and 1:10-1:50.
Utilize human hair bleaching effluent to carry out the method for human hair desquamation process, be suitable for carrying out desquamation process in vitro human hair fiber.Human hair fiber after desquamation process bleaching more conveniently and mordant dyeing technique carries out.
Compared with prior art, the present invention has the following advantages:
(1) the present invention adopt mass content be 0.5% to 4% hydrogenperoxide steam generator pre-oxidation treatment is carried out to human hair fiber, soaking temperature is 20-40 DEG C, and soak time is 10-30min.With this understanding, hydrogen peroxide can be oxidized the part disulfide bond in scale effectively, is unlikely to cause larger fibre damage under this concentration and temperature simultaneously.By the bleaching effluent direct reuse containing undecomposed hydrogen peroxide in the desquamation operation of human hair fiber, realize the destruction of scale layer and divest, reducing energy consumption and the water consumption of whole bleaching process.
(2) with protease, human hair fiber is processed, effectively can realize enzyme molecule to the combination of scale layer keratin substrate and the single-minded destruction of special efficacy, thus realize the partial destruction of scale layer instead of divest completely.Present invention, avoiding the shortcoming of environmental pollution that traditional acid system desquamation technique causes and poor working environment, reduce the discharge of organohalogen compounds; Realize the recycling of bleaching effluent, and then reduce the water consumption in whole bleaching process; Meanwhile, the preheating in bleaching effluent directly can be utilized not need more energy loss for desquamation technique, realize the energy-saving and cost-reducing of enterprise's production.
(3) the present invention passes through the control of bleaching effluent pretreatment stage concentration of hydrogen peroxide and temperature, and the utilization of Protease Treatment technique, achieve the limited damage to human hair fiber scale layer, instead of divesting completely scale layer in classical acid metallization processes, and then improve the strength property of fiber.Under the condition through identical following bleaching technique, the human hair fibre whiteness of the inventive method process is adopted to reach 22-24, strength property can reach more than 129.0cN, the whiteness value of more traditional acid system desquamation technique improves more than 10%, strength property improves more than 15%, and feel is more plentiful and lubricious.
(4) present invention process is simple, effective, be easy to realize suitability for industrialized production.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
The all raw materials used in embodiment, except specified otherwise, are commercial.
The mensuration of content of hydrogen peroxide
Measure according to the permanganimetric method in GB " industrial hydrogen peroxide " GB 1616-2003.
Measuring brightness
Sample is put into sample box, adopts X-Rite8400 type color measurement and color match instrument, choice criteria D65 standard illuminants, 10 ° of visual fields measure, and adopt conventional Stensby whiteness formulas to calculate whiteness, and Specimen Determination 10 calculating mean values are hair-care articles whiteness value.
Ultimate strength measures
Use the ultimate strength of YG004E type electronic mono-fiber strong force instrument test sample.The clamping length 50mm of human hair fiber, draw speed 100mm/min.Human hair fiber after every a collection of bleaching is chosen 20 of even thickness and is measured, and averages and obtains its ultimate strength.
Embodiment 1
(1) pre-oxidation treatment of human hair fiber: the mass content for hydrogen peroxide is the bleaching effluent of 1.2%, add 10kg human hair fiber and soak, soaking temperature is 30 DEG C, and soak time is 20min; Ammonification water management pH=8 in immersion process.Soak complete, discharge water and take out human hair fiber.Bath raio controls at 1:20.
(2) hydrogen peroxide ferment treatment: add hydrogen peroxide enzyme aqueous solution in the human hair fiber after the pre-oxidation treatment that step (1) obtains, stirred at ambient temperature 20min, discharges water, takes out human hair fiber, with cold water washing once.Wherein, bath raio controls at 1:25; In hydrogen peroxide enzyme aqueous solution, the mass content of catalase Terminox Ultra 50L is 2%.
(3) Protease Treatment: be dissolved in water by serrapeptass and Aspergillus oryzae, then add the human hair fiber that step (2) obtains and soak, soaking temperature is 40 DEG C, and soak time is 20min, takes out and cleans, obtain the human hair fiber of desquamation.The mass percent of serrapeptass and Aspergillus oryzae and human hair fiber is 5%.Bath raio controls at 1:30.
Embodiment 2
(1) pre-oxidation treatment of human hair fiber: the mass content for hydrogen peroxide is the bleaching effluent of 0.05%, add 30% hydrogen peroxide and the mass content of hydrogen peroxide is adjusted to 0.5%, add 10kg human hair fiber to soak, soaking temperature is 40 DEG C, and soak time is 30min; Ammonification water management pH=8.5 in immersion process.Soak complete, discharge water and take out human hair fiber.Bath raio controls at 1:50.
(2) hydrogen peroxide ferment treatment: add hydrogen peroxide enzyme aqueous solution in the human hair fiber after the pre-oxidation treatment that step (1) obtains, stirred at ambient temperature 30min, discharges water, takes out human hair fiber, with cold water washing once.Wherein, bath raio controls at 1:40; In hydrogen peroxide enzyme aqueous solution, the mass content of catalase Terminox Ultra 50L is 0.1%.
(3) Protease Treatment: be dissolved into by ficin in water, then add the human hair fiber that step (2) obtains and soak, soaking temperature is 60 DEG C, and soak time is 30min, takes out and cleans, obtain the human hair fiber of desquamation.The mass percent of ficin and human hair fiber is 0.1%.Bath raio controls at 1:50.
Embodiment 3
(1) pre-oxidation treatment of human hair fiber: the mass content for hydrogen peroxide is the bleaching effluent of 5%, the mass content being diluted with water to hydrogen peroxide is 4%, and add 10kg human hair fiber and soak, soaking temperature is 20 DEG C, and soak time is 10min; Ammonification water management pH=7.5 in immersion process.Soak complete, discharge water and take out human hair fiber.Bath raio controls at 1:10.
(2) hydrogen peroxide ferment treatment: add hydrogen peroxide enzyme aqueous solution in the human hair fiber after the pre-oxidation treatment that step (1) obtains, stirred at ambient temperature 10min, discharges water, takes out human hair fiber, with cold water washing once.Wherein, bath raio controls at 1:10; In hydrogen peroxide enzyme aqueous solution, the mass content of catalase Terminox Ultra 50L is 5%.
(3) Protease Treatment: be dissolved into by trypsase in water, then add the human hair fiber that step (2) obtains and soak, soaking temperature is 20 DEG C, and soak time is 10min, takes out and cleans, obtain the human hair fiber of desquamation.The mass percent of trypsase and human hair fiber is 10%.Bath raio controls at 1:10.
Comparative example 1
Tradition acid system desquamation: human hair fiber is added in desquamation treatment fluid, bath raio 1:20, stir 10min under room temperature condition, discharge water, cold water flush twice, obtain the human hair fiber of desquamation.Wherein the consisting of of acid system desquamation treatment fluid: clorox 13mL/L, concentrated sulfuric acid 3mL/L, solvent is water.
Bleached respectively by human hair fiber after embodiment 1-3 and comparative example 1 desquamation process, carry out whiteness and ultimate strength mensuration to it after bleaching, measurement result is in table 1.
Bleaching process used comprises pre-matchmaker process and bleaching process:
(1) pre-matchmaker's process: the human hair fiber of desquamation is added in pre-matchmaker's treatment fluid, bath raio 1:10, stir 160min at being incubated 80 DEG C.Discharge water subsequently, hot water wash once, cold wash once, for next step bleaching.Wherein, the consisting of of pre-matchmaker's treatment fluid: citric acid 30g/L, FeSO
415g/L, NaCl 20g/L, solvent is water.
(2) bleaching: add in bleaching liquid by the human hair fiber after pre-matchmaker's process, bath raio 1:15, ammoniacal liquor adjust ph is 8.5, stirs 4h at being incubated 40 DEG C.Discharge water subsequently, once, cold wash once for hot water wash.Wherein, consisting of of bleaching liquid: 30% hydrogen peroxide 22mL/L, potassium peroxydisulfate 13g/L, sodium metasilicate 15g/L, solvent is water.
Whiteness after human hair after table 1 embodiment 1-3 and comparative example 1 desquamation process is fiber bleached and ultimate strength performance
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | |
| Whiteness | 22.8 | 23.4 | 22.8 | 20.3 |
| Ultimate strength performance | 129 | 134 | 131 | 110 |
Claims (9)
1. utilize human hair bleaching effluent to carry out a method for human hair desquamation process, it is characterized in that: first, with human hair bleaching effluent to the process of human hair fiber preoxidation, then use hydrogen peroxide ferment treatment, finally use Protease Treatment.
2. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 1, is characterized in that: comprise the following steps:
(1) pre-oxidation treatment of human hair fiber
First, the mass content controlling hydrogen peroxide in human hair bleaching effluent is 0.5% to 4%; Put into human hair fiber again to soak, soak complete taking-up human hair fiber;
(2) hydrogen peroxide ferment treatment
Add hydrogen peroxide enzyme aqueous solution in human hair fiber after the pre-oxidation treatment that step (1) obtains to process, be disposed and take out human hair fiber;
(3) Protease Treatment
Human hair fiber after the hydrogen peroxide ferment treatment obtain step (2) is put into aqueous solution of protease and is soaked, and takes out and cleans, obtain the human hair fiber of desquamation.
3. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 2, is characterized in that: in step (1), human hair bleaching effluent is the waste water after human hair fiber carries out hydrogen peroxide bleaching.
4. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 2, is characterized in that: in step (1), soaking temperature is 20-40 DEG C, and soak time is 10-30min.
5. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 2, it is characterized in that: in step (2), in hydrogen peroxide enzyme aqueous solution, catalatic mass content is 0.1%-5%; Wherein, catalase is Terminox Ultra 50L.
6. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 2, is characterized in that: in step (3), the pH value of aqueous solution of protease is 4-8; Protease is the one in microbe-derived protease, the protease of plant origin or the protease of animal origin; The mass percent of protease and human hair fiber is 0.1%-10%.
7. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 6, is characterized in that: microbe-derived protease is one or more in actinomyces protease, alkali protease, serrapeptass, mold protease, Aspergillus oryzae or aspergillus niger; The protease of plant origin is one or more in papain, ficin or bromelain; The protease of animal origin be trypsase or intestines coagulate in enzyme one or both.
8. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 2, is characterized in that: in step (3), soaking temperature is 20-60 DEG C, and soak time is 10-30min.
9. the method utilizing human hair bleaching effluent to carry out human hair desquamation process according to claim 2, is characterized in that: the bath raio of step (1), step (2) and step (3) is respectively 1:10-1:50,1:10-1:40 and 1:10-1:50.
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| CN103924439A (en) * | 2014-04-25 | 2014-07-16 | 江南大学 | Method for protease-method wool felt-proofing treatment by using ultrasonic technology |
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2015
- 2015-01-22 CN CN201510031741.0A patent/CN104593876B/en active Active
Patent Citations (6)
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| CN1213715A (en) * | 1997-10-05 | 1999-04-14 | 青岛即发集团股份有限公司 | Dephosphorizing method of human hair |
| CN1301320A (en) * | 1998-05-20 | 2001-06-27 | 诺沃挪第克生物化学北美公司 | Method for enzymatic treatment of wool |
| CN1405400A (en) * | 2001-08-15 | 2003-03-26 | 徐永来 | Method for treating wool by bio-modification |
| CN102965960A (en) * | 2012-11-21 | 2013-03-13 | 山东来利来毛纺有限公司 | Shrink-proof technique of chemical fiber |
| CN103924439A (en) * | 2014-04-25 | 2014-07-16 | 江南大学 | Method for protease-method wool felt-proofing treatment by using ultrasonic technology |
| CN104264490A (en) * | 2014-09-03 | 2015-01-07 | 长兴国圆印染有限公司 | Wool dyeing method using enzymic method |
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