CN105063992B - A kind of discoloration method of natural colored animal origin - Google Patents
A kind of discoloration method of natural colored animal origin Download PDFInfo
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- CN105063992B CN105063992B CN201510469040.5A CN201510469040A CN105063992B CN 105063992 B CN105063992 B CN 105063992B CN 201510469040 A CN201510469040 A CN 201510469040A CN 105063992 B CN105063992 B CN 105063992B
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- animal origin
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- desolventing technology
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Abstract
The invention discloses a kind of discoloration method of natural colored animal origin, including A, pretreatment；B, for the first time decolouring；C, rinsing；D, second decolouring；E, third time are decolourized；F, air-dried treatment.The present invention can solve the problem that the deficiencies in the prior art, reduce damage of the decolorization for animal origin.
Description
Technical field
The present invention relates to animal origin processing technique field, especially a kind of discoloration method of natural colored animal origin.
Background technology
Animal origin has soft texture, good heat preservation performance, the characteristics of durability is strong, belongs to high-grade textile material.But,
Because some animal origins carry color, when needing to obtain achromatic fibrils it is necessary to carry out desolventing technology to it.Existing decolouring
Method is stronger due to oxidation, thus cause decolourize after animal origin can produce stronger damage, reduce animal origin
Quality.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of discoloration method of natural colored animal origin, can solve the problem that existing
There is the deficiency of technology, reduce damage of the decolorization for animal origin.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of discoloration method of natural colored animal origin, it is characterised in that comprise the following steps：
A, pretreatment
Animal origin is put into pretreatment fluid, is stirred 2~3 hours, pretreatment fluid includes following components：
The degreasing agent of 10wt%~15wt%, the sodium acid carbonate of 3wt%~5wt%, the dimethyl of 5.5wt%~7wt%
Sulfoxide, 2,4- dihydroxy-N- (2- ethoxys) benzamide of 0.3wt%~0.5wt%, 3.2wt%~4wt% 2- it is chloro-
The ethanol of 5- nitro-acetophenones, 20wt%~25wt%, balance of water；
B, for the first time decolouring
To be put into first time desolventing technology liquid by the animal origin of pretreatment, stand 10~12 hours, it is de- for the first time
Color treatment fluid includes following components：
The hydrogen peroxide of 3wt%~5wt%, the sodium chloride of 10wt%~15wt%, 2wt%~3wt% (S) -4- phenyl -
2- 3-hydroxyethyl butyrates, the 4- ethylo benzene phosphorus diphenol of 3wt%~7wt%, the 3- amino phthalic acid of 0.7wt%~1.5wt%,
The lauroyl chloride of 2.5wt%~5wt%, the acetone of 5wt%~10wt%, balance of water；
C, rinsing
The animal origin treated by step B is put into water and is rinsed, the residual medicament on removal fiber；
D, second decolouring
To be put into second desolventing technology liquid by the animal origin of rinsing, stirred 0.5~1 hour, second decolouring
Treatment fluid includes following components：
The sodium hypochlorite of 0.03wt%~0.05wt%, the benzoyl peroxide of 1.5wt%~2wt%, 3.5wt%~
The 3- chlorine-4-iodines toluene of 6wt%, the o-methyl-benzene formyl chloride of 1.2wt%~1.5wt%, the acetoacetate of 3wt%~7wt%
Methyl esters, the 2- acetyl cyclohexanones of 2.5wt%~4wt%, the acetone of 20wt%~30wt%, balance of water；
E, third time are decolourized
The animal origin that will be treated by step D is tiled, and thickness is maintained at 2~3mm, animal origin is entered using briquetting
Row pressing, the bottom surface that briquetting is contacted with animal origin is provided with shower nozzle, and shower nozzle sprays to animal origin surface while pressing
Third time desolventing technology liquid, pressing 3~5 times, the fountain height of third time desolventing technology liquid is 300g/ ㎡~400g/ ㎡；For the third time
The preparation method of desolventing technology liquid is：The shield suede of 1.5wt%~3wt% is added in concentration is for the ammoniacal liquor of 20wt%~25wt%
Agent is made；
F, to animal origin air-dry treatment.
Preferably, in step A, the temperature of pretreatment fluid is maintained at 45 DEG C~60 DEG C, and bath raio is controlled 5:1~8:1；Step
In rapid B, the temperature of first time desolventing technology liquid is maintained at 10 DEG C~15 DEG C, and bath raio is controlled 20:1~25:1.
Preferably, in step C, the temperature of rinsing is higher than the temperature of first time desolventing technology liquid 15 DEG C~and 20 DEG C.
Preferably, in step D, the temperature of second desolventing technology liquid is maintained at 55 DEG C~60 DEG C, and bath raio is controlled 10:
1~12:1.
Preferably, in step E, at 85 DEG C~90 DEG C, pressure is maintained at 2.5bar~3bar to the temperature control of pressing.
The beneficial effect brought using above-mentioned technical proposal is：The present invention is pre-processed by animal origin,
The pigment composition in animal origin is set to carry out separation progressively.Then first time desolventing technology is directly carried out, at first time decolouring
Reason is carried out by the way of stand at low temperature, can extend action time of the pretreatment fluid inside animal origin, while for the first time
Desolventing technology carries out oxidative decoloration, and last longer using the oxidant of low concentration, is ensureing that fiber is not oxidized in itself
Agent can be such that oxidant is fully reacted with the pigment composition of fibrous inside on the premise of damaging, and reduce fibrous inside pigment
Conjugation.Decolourize for second to carry out quick decolorization treatment to fiber using strong oxidizer, more jail can be combined to fibrous inside
Solid pigment molecular effectively removed.The auxiliary reagent for being added in decolorization twice can effectively improve animal origin
The inoxidizability of itself, so as to play a part of to protect animal origin.Animal origin is carried out most finally by the mode of pressing
Once decolourize afterwards, this decolouring mode add treatment fluid while using pressurization friction treatment, can promote treatment fluid with
Fiber combination in itself and absorption, have removal effect higher hence for the residual pigment of fibrous inside deep place.By
It is preferable in the volatility of third time desolventing technology liquid, so by can directly carry out air-drying treatment after third time desolventing technology,
So that shield suede agent fully can be combined with each other with animal origin, animal origin quality in itself is improved.
Specific embodiment
A kind of discoloration method of natural colored animal origin, comprises the following steps：
A, pretreatment
Animal origin is put into pretreatment fluid, is stirred 3 hours, pretreatment fluid includes following components：
The degreasing agent of 12wt%, the sodium acid carbonate of 4.5wt%, the dimethyl sulfoxide (DMSO) of 6wt%, the 2,4- dihydroxies of 0.4wt%
Base-N- (2- ethoxys) benzamide, the chloro- 5- nitro-acetophenones of 2- of 3.8wt%, the ethanol of 21wt%, balance of water；
B, for the first time decolouring
To be put into first time desolventing technology liquid by the animal origin of pretreatment, 12 hours are stood, at first time decolouring
Reason liquid includes following components：
The hydrogen peroxide of 4.5wt%, the sodium chloride of 13wt%, (S) -4- phenyl -2- 3-hydroxyethyl butyrates of 2.8wt%,
The 4- ethylo benzene phosphorus diphenol of 5.5wt%, the 3- amino phthalic acid of 0.8wt%, the lauroyl chloride of 4wt%, the acetone of 7wt%,
Balance of water；
C, rinsing
The animal origin treated by step B is put into water and is rinsed, the residual medicament on removal fiber；
D, second decolouring
To be put into second desolventing technology liquid by the animal origin of rinsing, stirred 0.5 hour, second desolventing technology
Liquid includes following components：
The sodium hypochlorite of 0.05wt%, the benzoyl peroxide of 1.8wt%, the 3- chlorine-4-iodines toluene of 5wt%, 1.4wt%
O-methyl-benzene formyl chloride, the methyl acetoacetate of 4wt%, the 2- acetyl cyclohexanones of 3wt%, the acetone of 27wt%, surplus
It is water；
E, third time are decolourized
The animal origin that will be treated by step D is tiled, and thickness is maintained at 2~3mm, animal origin is entered using briquetting
Row pressing, the bottom surface that briquetting is contacted with animal origin is provided with shower nozzle, and shower nozzle sprays to animal origin surface while pressing
Third time desolventing technology liquid, pressing 4 times, the fountain height of third time desolventing technology liquid is 370g/ ㎡；Third time desolventing technology liquid
Preparation method is：The shield suede agent of 1.7wt% is added to be made in concentration is by the ammoniacal liquor of 20wt%~25wt%；
F, to animal origin air-dry treatment.
In addition, in step A, the temperature of pretreatment fluid is maintained at 47 DEG C~50 DEG C, and bath raio is controlled 8:1；In step B, the
The temperature of desolventing technology liquid is maintained at 10 DEG C~11 DEG C, and bath raio is controlled 20:1.
In step C, the temperature of rinsing is higher than the temperature of first time desolventing technology liquid 16 DEG C~and 17 DEG C.
In step D, the temperature of second desolventing technology liquid is maintained at 58 DEG C~60 DEG C, and bath raio is controlled 12:1.
In step E, at 88 DEG C~90 DEG C, pressure is maintained at 3bar to the temperature control of pressing.
Further studied by inventor, the trishydroxymethylaminomethane acetate of 0.1wt% added in pretreatment fluid,
Osmotic effect of the degreasing agent for animal origin can be improved.The hexadecane of 0.5wt% is added in the first desolventing technology liquid
Base sodium sulphate, can extend action time of the pretreatment fluid in animal origin.Added in the second desolventing technology liquid
The phenylphosphonyl dichloride of 0.75wt%, it is possible to reduce damage of the oxidant for fiber surface.
Wherein, from the TF100 degreasing agents of Xiongguan Science ＆ Tech., Ltd., Tianjin, shield suede agent buying is certainly for degreasing agent buying
The SYSCHEM2708 shield suede agent of upper Haifa Zhe Sen textile materials Co., Ltd.
The present invention can effectively protect animal origin quality in itself while decolourizing, and make the animal origin after decolouring still
So with the excellent specific property that its own has.
Foregoing description only proposes as enforceable technical scheme of the invention, not as to its technical scheme single in itself
Restrictive condition.
Claims (3)
1. a kind of discoloration method of natural colored animal origin, it is characterised in that comprise the following steps：
A, pretreatment
Animal origin is put into pretreatment fluid, is stirred 2~3 hours, pretreatment fluid includes following components：
The degreasing agent of 10wt%~15wt%, the sodium acid carbonate of 3wt%~5wt%, the dimethyl sulfoxide (DMSO) of 5.5wt%~7wt%,
2,4- dihydroxy-N- (2- ethoxys) benzamide of 0.3wt%~0.5wt%, the chloro- 5- nitros of 2- of 3.2wt%~4wt%
The ethanol of acetophenone, 20wt%~25wt%, balance of water；
The temperature of pretreatment fluid is maintained at 45 DEG C~60 DEG C, and bath raio is controlled 5:1~8:1；
B, for the first time decolouring
To be put into first time desolventing technology liquid by the animal origin of pretreatment, 10~12 hours are stood, at first time decolouring
Reason liquid includes following components：
The hydrogen peroxide of 3wt%~5wt%, the sodium chloride of 10wt%~15wt%, (S) -4- phenyl -2- hydroxyls of 2wt%~3wt%
Base ethyl butyrate, the 4- ethylo benzene phosphorus diphenol of 3wt%~7wt%, the 3- amino phthalic acid of 0.7wt%~1.5wt%,
The lauroyl chloride of 2.5wt%~5wt%, the acetone of 5wt%~10wt%, balance of water；
The temperature of first time desolventing technology liquid is maintained at 10 DEG C~15 DEG C, and bath raio is controlled 20:1~25:1；
C, rinsing
The animal origin treated by step B is put into water and is rinsed, the residual medicament on removal fiber；
D, second decolouring
To be put into second desolventing technology liquid by the animal origin of rinsing, stirred 0.5~1 hour, second desolventing technology
Liquid includes following components：
The sodium hypochlorite of 0.03wt%~0.05wt%, the benzoyl peroxide of 1.5wt%~2wt%, 3.5wt%~6wt%
3- chlorine-4-iodines toluene, the o-methyl-benzene formyl chloride of 1.2wt%~1.5wt%, the methyl acetoacetate of 3wt%~7wt%,
The 2- acetyl cyclohexanones of 2.5wt%~4wt%, the acetone of 20wt%~30wt%, balance of water；
The temperature of second desolventing technology liquid is maintained at 55 DEG C~60 DEG C, and bath raio is controlled 10:1~12:1；
E, third time are decolourized
The animal origin that will be treated by step D is tiled, and thickness is maintained at 2~3mm, animal origin is pressed using briquetting
Pressure, the bottom surface that briquetting is contacted with animal origin is provided with shower nozzle, and shower nozzle sprays the 3rd to animal origin surface while pressing
Secondary desolventing technology liquid, pressing 3~5 times, the fountain height of third time desolventing technology liquid is 300g/ ㎡~400g/ ㎡；Third time is decolourized
The preparation method for the treatment of fluid is：The shield suede agent system of 1.5wt%~3wt% is added in concentration is for the ammoniacal liquor of 20wt%~25wt%
Into；
F, to animal origin air-dry treatment.
2. the discoloration method of natural colored animal origin according to claim 1, it is characterised in that：In step C, rinsing
Temperature is higher than the temperature of first time desolventing technology liquid 15 DEG C~and 20 DEG C.
3. the discoloration method of natural colored animal origin according to claim 1, it is characterised in that：In step E, pressing
At 85 DEG C~90 DEG C, pressure is maintained at 2.5bar~3bar to temperature control.
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| CN105063992B true CN105063992B (en) | 2017-06-20 |
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| CN107059385B (en) * | 2017-04-17 | 2021-10-26 | 武汉纺织大学 | Decoloring method for improving strength of colored velvet |
| CN111962285A (en) * | 2020-08-04 | 2020-11-20 | 天津工业大学 | Bleaching agent for yakwool and processing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243543A (en) * | 2013-05-27 | 2013-08-14 | 宁夏荣昌绒业集团有限公司 | Decoloration method of colored cashmere loose fiber |
| CN103243542A (en) * | 2013-05-27 | 2013-08-14 | 宁夏荣昌绒业集团有限公司 | Method for bleaching cashmere loose fiber |
| CN104047156A (en) * | 2014-06-30 | 2014-09-17 | 滁州惠智科技服务有限公司 | Low-temperature cashmere bleaching agent and bleaching method thereof |
| CN105002740A (en) * | 2015-08-03 | 2015-10-28 | 安徽创荣服装辅料有限公司 | Production technology of health care down feather with fragrance |
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| JP4426347B2 (en) * | 2004-03-12 | 2010-03-03 | ユニチカトレーディング株式会社 | Method for producing spun yarn with excellent shrinkage resistance and anti-pilling property |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243543A (en) * | 2013-05-27 | 2013-08-14 | 宁夏荣昌绒业集团有限公司 | Decoloration method of colored cashmere loose fiber |
| CN103243542A (en) * | 2013-05-27 | 2013-08-14 | 宁夏荣昌绒业集团有限公司 | Method for bleaching cashmere loose fiber |
| CN104047156A (en) * | 2014-06-30 | 2014-09-17 | 滁州惠智科技服务有限公司 | Low-temperature cashmere bleaching agent and bleaching method thereof |
| CN105002740A (en) * | 2015-08-03 | 2015-10-28 | 安徽创荣服装辅料有限公司 | Production technology of health care down feather with fragrance |
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