CN102168387B - Method for efficiently stripping fluorescent bleaching and dyeing dyestuff - Google Patents

Method for efficiently stripping fluorescent bleaching and dyeing dyestuff Download PDF

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CN102168387B
CN102168387B CN 201110045811 CN201110045811A CN102168387B CN 102168387 B CN102168387 B CN 102168387B CN 201110045811 CN201110045811 CN 201110045811 CN 201110045811 A CN201110045811 A CN 201110045811A CN 102168387 B CN102168387 B CN 102168387B
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stripping
stripped
fabric
dye
owf
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CN102168387A (en
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金黔宏
林祖夏
金婷婷
潘思杰
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Yiwu Zhongli Industry & Trade Co Ltd
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金黔宏
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Abstract

The invention relates to a method for efficiently stripping a fluorescent bleaching and dyeing dyestuff, belonging to the technical field of textile printing, dyeing and stripping. The dyestuff provided by the invention comprises a stripped fabric and a Doristrip W compound strippant, and is characterized in that the liquor ratio owf of a Doristrip W compound is 3-8%, the pH value is 4-7, the bath ratio is 10-20, the stripping temperature id 50-120 DEG C, and a dipping method is adopted; and stripping and dipping are carried out for 30-60 minutes, sodium thiosulfate or vat powder are used for dechlorinating, and stripping is carried out according to the following technical process: stripping the stripped fabric by utilizing the Doristrip W compound strippant; dechlorinating with sodium thiosulfate or vat powder; fully washing with water; and drying. The dyestuff can be used for thoroughly stripping the brightener and dyestuff on textile fabrics, and the defects such as residue and uneven dye can be prevented, thus the problem that dyed products have blemishes can be solved through stripping and redying; and in addition, when buy textile stock is remade, the effect of remaking the buy textile stock into a new product can be achieved.

Description

Peel the method for fluorescent brightening and dye off
Technical field
The invention belongs to the fabrics printing and dyeing technical field of stripping, be specifically related to a kind of method of peeling fluorescent brightening and dye off.
Background technology
The quality defect occurs during the printing and dyeing of actual woven product are produced unavoidable, especially brighten the goods of goods, emerald green orchid and gorgeous blue macromolecular structure dyeing, this fault comprises unintentionally staining and the uneven dyeings such as aberration, look mark and barriness; Also have in addition the problems such as renovation of the dead stock's goods of textiles, solution to the problems described above has usually:
(1) goods of brightening agent especially are infected with in the discount that downgrades;
(2) be coloured to again dark color after light fabric moves and dyes, particularly cotton reducing dye dyeing;
(3) improve level dyeing with dressing agent, terylene dispersion dyeing and acrylic cationic dyeing; The method of revising the employing of dyeing defective product depends on the character of defect to a great extent, if aberration is less, cloth cover is more even again, common available coating, REACTIVE DYES etc. are dyed material it are directly carried out correcting process. to reach the quality requirements of certified products. but in most cases, the dyeing defective cloth often inhomogeneous, the color spot of cloth cover or color and luster fully to not going up standard specimen, in this case, the dyeing defective product is stripped and just seemed very necessary, shelled the materials control standard of look and beaten again the test sample, then amplified sample and again dye.By traditional stripping agent---the stripping of sodium hydrosulfite/caustic soda or clorox changes the goods dyeing of dying with needs and shoals, more in addition again dyeing.The method is mainly used in the modification of cotton-padded clothes dyeing defect, but the easier dyeing flower of again dyeing.And for requiring staining, brightening and emerald green orchid/gorgeous blue dyeing articles thoroughly divests and again dyeing, the reaction condition that adopts existing stripping agent and the process of stripping to adopt also can't be realized.So can't realize that reason is as follows:
Stripping is to utilize redox chemical action, and the conjugated system in the dyestuff on the fiber or the brightening agent color development functional group of being infected with or the chemical constitution is destroyed fully, makes it to excite under the illumination condition function that loses color development.The stripping agent of chemical method mainly contains two classes; One class is the reducibility stripping agent, and it is by the carboxyl in the reducing dye structure, carbonyl, azo structure or unsaturated double-bond, makes color development system in the molecular structure of dye destroy and reach and fade or the purpose of colour killing.The dyestuff of azo structure for example, its azo group may be reduced into amino and lose color.But reductant is reversible to the destruction of the dyestuff color development system of some dye structure, thereby it fades and can recover, and the color development system of anthraquinone ring is exactly like this.Sodium hydrosulfite, rongalite are the reducibility stripping agents of commonly using.
Another kind of is the oxidisability stripping agent, and wherein the most frequently used is hydrogen peroxide and clorox.The group that oxidant can cause some to form dye molecule color development system under certain condition destroys, such as azo group decomposition, amino oxidation, HM, complexation of metal ions disengaging etc.These irreversible structural changes, caused fading or colour killing of dyestuff, thereby the oxidisability stripping agent should have the good effect of stripping in theory, but in fact it brightens at the processing brightening agent, and the effect of perhaps stripping on emerald green orchid, the gorgeous blue dyeing articles is limited.The people such as Chen Qi point out in " stripping and returning something for repairs of middle dark product color spot, look flower " literary composition; Use sodium hydrosulfite in the process of stripping. because sodium hydrosulfite is reductant, if bring residual sodium hydrosulfite into dye liquor, to directly affect Color, therefore, will carry out oxidation to cotton fabrics, use hydrogen peroxide to strip, this effect of stripping more has limitation, the just variation of weight can't reach fully and divests.
The aberration stripping method of general REACTIVE DYES, available clorox is directly stripped.But to the REACTIVE DYES of metal ion for example emerald green blue G and gorgeous blue R, then should at first in the solution of chelating, boil and boil. then in alkaline reduction liquid or hypochlorite oxidation liquid, strip.The thing of usually need can being stripped of stripping fully boils 30 minutes (when processing viscose glue with soda ash for well) in alkali and sodium hydrosulfite are bathed, then fully wash. and then carry out cold floating in the liquor natrii hypochloritis, the whole operation of stripping is very loaded down with trivial details and complicated.
The people such as Ji Huijun have inquired into homemade stripping agent JF to the reduction cleaning effect of azo-type and the rear terylene pin thing of ahthraquinone disperse dye dyeing in February, 2007 publication in " the New Stripping reduction system cleans the research of disperse dyed polyester " paper on " printing and dyeing assistant " magazine, though its effect is better than traditional sodium hydrosulfite and caustic soda stripping method, but still fail thoroughly to divest totally, only reduce than original depth of color.
The people such as Wang Yan deliver " research of the NDA of the system of stripping " literary composition at hosiery industry in March, 2006 magazine, with the homemade cotton fabrics of the NDA of system to REACTIVE DYES and reducing dye dyeing of stripping, the polyester knitting thing of disperse dyeing, the research of stripping of the Acrylic Knits of cationic dyeing, studies show that the NDA effect of stripping is better than traditional sodium hydrosulfite stripping technique, but result of the test still has a considerable amount of dyestuffs residual, can't reach the most degree of thorough stripping.
Summary of the invention
The objective of the invention is to provide a kind of method of peeling fluorescent brightening and dye off, use the method, making and adopting trichlorine triazinetrione compound is the dyeing processing of stripping agent, can be with staining, brighten and emerald green orchid/gorgeous blue dyeing articles is thoroughly stripped and then dyeed, and can not exist dyestuff that the disadvantages such as residual, dyeing flower are arranged.
Above-mentioned goal of the invention is achieved through the following technical solutions: a kind of method of peeling fluorescent brightening and dye off, it comprises the fabric of being stripped, trichlorine triazinetrione compound stripping agent, its main points are the liquor ratio owf:3 of trichlorine triazinetrione compound~8%, acidity-basicity ph value: 4~7; bath raio: 10~20; stripping treatment temperature: 50~120 ° of C; and adopt dipping method; stripped dipping: 30-60 minute; with sodium thiosulfate or sodium hydrosulfite dechlorination, and strip by following technological process:
Technological process: fabric → three chlorotriazines, the three copper compound stripping agents of being stripped carry out stripping treatment → sodium thiosulfate or sodium hydrosulfite dechlorination → fully washing → oven dry.
The above-mentioned method of peeling fluorescent brightening and dye off, one of its technical scheme fabric of being stripped is that cotton is brightened cloth, the liquor ratio owf:3 of stripping agent trichlorine triazinetrione compound~8%, regulate acidity-basicity ph value: 6.5~7; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, the dip time of stripping: 30 minutes with soda ash.
The above-mentioned method of peeling fluorescent brightening and dye off, one of its technical scheme fabric of being stripped is new dyed cotton fabric, the liquor ratio owf:5% of stripping agent trichlorine triazinetrione compound, regulate acidity-basicity ph value: 6.5; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, the dip time of stripping: 30 minutes with soda ash.
The above-mentioned method of peeling fluorescent brightening and dye off, one of its technical scheme fabric of being stripped is polyester knitting thing after the disperse dyeing, the liquor ratio owf:8% of stripping agent trichlorine triazinetrione compound, regulate acidity-basicity ph value: 6.5~7; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, the dip time of stripping: 45 minutes with soda ash.
The above-mentioned method of peeling fluorescent brightening and dye off, one of its technical scheme fabric of being stripped is polyester knitting thing after the disperse dyeing, the liquor ratio owf:8% of stripping agent trichlorine triazinetrione compound, regulate the acidity-basicity ph value with soda ash: carry out under neutrality, the acid condition; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, dip time: 45 minutes.
The above-mentioned method of peeling fluorescent brightening and dye off, one of its technical scheme fabric of being stripped is that terylene brightens cloth, the liquor ratio owf:8% of stripping agent trichlorine triazinetrione compound, regulate the acidity-basicity ph value with soda ash: carry out under neutrality, the acid condition; bath raio: 1 ︰ 15~20; stripping treatment temperature: 130 ° of C, the dip time of stripping: 45 minutes.
The above-mentioned method of peeling fluorescent brightening and dye off, one of its technical scheme fabric of being stripped is the colored acrylon knitted fabric, the liquor ratio owf:3% of stripping agent trichlorine triazinetrione compound; bath raio: 1 ︰ 10~15; stripping treatment temperature: 100~120 ° of C, the dip time of stripping: 30~40 minutes.
The above-mentioned method of peeling fluorescent brightening and dye off, one of its technical scheme fabric of being stripped is that dyeing contains blended cloth laniferous, the liquor ratio owf:3% of stripping agent trichlorine triazinetrione compound; bath raio: 1 ︰ 10~15; stripping treatment temperature: 35 ° of C, the dip time of stripping: 30~40 minutes.
The present invention can thoroughly stripping be most to the brightening agent on the textiles, dyestuff, can't exist dyestuff that the disadvantages such as residual, dyeing flower are arranged, so can make staining and the faults such as aberration, look mark and barriness uneven dyeing of the goods existence of brightening goods, emerald green orchid and gorgeous blue macromolecular structure dyeing, dyeing solves by stripping again; In addition, the renovation of the dead stock's goods of textiles also can reach renovation as new effect.
The specific embodiment
Embodiment one
The fabric of being stripped is that cotton is brightened cloth, and stripping agent is the trichlorine triazinetrione, and the liquor ratio owf:5% of trichlorine triazinetrione regulates the acidity-basicity ph value with soda ash: 6.5, and bath raio: 1 ︰ 18, stripping treatment temperature: 100 ° of C, the dip time of stripping: 30 minutes; Use the sodium thiosulfate dechlorination, and strip by following technological process:
Technological process: cotton is brightened cloth → three chlorotriazines, three copper compound stripping agents and carries out stripping treatment → sodium thiosulfate dechlorination → fully washing → oven dry.
Embodiment two
The fabric of being stripped is polyester knitting thing after the disperse dyeing, and stripping agent is the trichlorine triazinetrione, the liquor ratio owf:8% of trichlorine triazinetrione, regulate the acidity-basicity ph value with soda ash: 7; bath raio: 1 ︰ 15, stripping treatment temperature: 100 ° of C, the dip time of stripping: 45 minutes; Use the sodium thiosulfate dechlorination, and strip by following technological process:
Technological process: polyester knitting thing after the disperse dyeing → three chlorotriazines, three copper compound stripping agents carry out stripping treatment → sodium thiosulfate dechlorination → fully washing → oven dry.
Embodiment three
The fabric of being stripped is the colored acrylon knitted fabric, and stripping agent is the trichlorine triazinetrione, and the liquor ratio owf:3% of trichlorine triazinetrione regulates the acidity-basicity ph value with soda ash: 5, and bath raio: 1 ︰ 12, stripping treatment temperature: 120 ° of C, the dip time of stripping: 40 minutes; Use the sodium hydrosulfite dechlorination, and strip by following technological process:
Technological process: cotton is brightened cloth → three chlorotriazines, three copper compound stripping agents and carries out stripping treatment → sodium thiosulfate dechlorination → fully washing → oven dry.
Embodiment four
The fabric of being stripped is to contain blended cloth laniferous, stripping agent is the trichlorine triazinetrione, the liquor ratio owf:3% of trichlorine triazinetrione, regulate the acidity-basicity ph value with soda ash: 5; bath raio: 1 ︰ 15; stripping treatment temperature: 35 ° of C, the too high meeting for the treatment of temperature causes the damage to wool fibre, the dip time of stripping: 45 minutes; Use the sodium thiosulfate dechlorination, and strip by following technological process:
Technological process: contain blended cloth laniferous → three chlorotriazines, three copper compound stripping agents and carry out stripping treatment → sodium thiosulfate dechlorination → fully washing → oven dry.

Claims (6)

1. method of peeling fluorescent brightening and dye off, it comprises the fabric of being stripped, trichlorine triazinetrione compound stripping agent, it is characterized in that the liquor ratio owf:3 of trichlorine triazinetrione compound~8%, the acidity-basicity ph value: 4~7, bath raio: 10~20, stripping treatment temperature: 50~120 ° of C, and employing dipping method, stripped dipping: 30-60 minute, and with sodium thiosulfate or sodium hydrosulfite dechlorination, and stripped by following technological process:
Technological process: fabric → three chlorotriazines, the three copper compound stripping agents of being stripped carry out stripping treatment → sodium thiosulfate or sodium hydrosulfite dechlorination → fully washing → oven dry.
2. the method for peeling fluorescent brightening and dye off according to claim 1, the fabric that it is characterized in that being stripped is that cotton is brightened cloth, the liquor ratio owf:3 of stripping agent trichlorine triazinetrione compound~8%, regulate acidity-basicity ph value: 6.5~7; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, the dip time of stripping: 30 minutes with soda ash.
3. the method for peeling fluorescent brightening and dye off according to claim 1, the fabric that it is characterized in that being stripped is new dyed cotton fabric, the liquor ratio owf:5% of stripping agent trichlorine triazinetrione compound, regulate acidity-basicity ph value: 6.5; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, the dip time of stripping: 30 minutes with soda ash.
4. the method for peeling fluorescent brightening and dye off according to claim 1, the fabric that it is characterized in that being stripped is polyester knitting thing after the disperse dyeing, the liquor ratio owf:8% of stripping agent trichlorine triazinetrione compound, regulate acidity-basicity ph value: 6.5~7; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, the dip time of stripping: 45 minutes with soda ash.
5. the method for peeling fluorescent brightening and dye off according to claim 1, the fabric that it is characterized in that being stripped is polyester knitting thing after the disperse dyeing, the liquor ratio owf:8% of stripping agent trichlorine triazinetrione compound, regulate the acidity-basicity ph value with soda ash: carry out under neutrality, the acid condition; bath raio: 1 ︰ 15~20; stripping treatment temperature: 100 ° of C, dip time: 45 minutes.
6. the method for peeling fluorescent brightening and dye off according to claim 1, the fabric that it is characterized in that being stripped is the colored acrylon knitted fabric, the liquor ratio owf:3% of stripping agent trichlorine triazinetrione compound; bath raio: 1 ︰ 10~15; stripping treatment temperature: 100~120 ° of C, the dip time of stripping: 30~40 minutes.
CN 201110045811 2011-02-25 2011-02-25 Method for efficiently stripping fluorescent bleaching and dyeing dyestuff Active CN102168387B (en)

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CN108951233A (en) * 2018-05-29 2018-12-07 武汉纺织大学 A kind of discoloration method of colored terylene fabric

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101187150A (en) * 2007-12-07 2008-05-28 东华大学 Method for suppressing and eliminating fluorescence of textile product by fluorescence quenching agent

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101187150A (en) * 2007-12-07 2008-05-28 东华大学 Method for suppressing and eliminating fluorescence of textile product by fluorescence quenching agent

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Title
甘霖.新型漂白剂——三氯异氰尿酸.《氯碱工业》.1980,(第5期),第44页第4部分. *

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Owner name: ZHONGLI INDUSTRY AND TRADE CO., LTD., YIWU CITY

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Address before: 322000 Yiwu industry and Trade Co., Ltd., 5, Changqing Road, Liu Qing industry zone, Jinhua, Zhejiang, Yiwu

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