CN103173995A - Co-bath treatment method with simple process for modification pretreatment of cotton fabric - Google Patents
Co-bath treatment method with simple process for modification pretreatment of cotton fabric Download PDFInfo
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- CN103173995A CN103173995A CN2013101102277A CN201310110227A CN103173995A CN 103173995 A CN103173995 A CN 103173995A CN 2013101102277 A CN2013101102277 A CN 2013101102277A CN 201310110227 A CN201310110227 A CN 201310110227A CN 103173995 A CN103173995 A CN 103173995A
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Abstract
The invention discloses a co-bath treatment mehtod with simple process for modification pretreatment of cotton fabric. The co-bath treatment mehtod comprises the following steps: performing pretreatment on the cotton fabric, directly adding a cationic modifier into a pretreatment solution for continuously performing treatment after the pretreatment is performed for a certain period of time, then washing with water and airing. The co-bath treatment mehtod disclosed by the invention is simple in process, and after the cotton fabric treated by the co-bath treatment mehtod disclosed by the invention is dyed by an active dye, the color fixing rate achieves 90%, the washing fastness is about level 4, the dry rubbing fastness achieves levels 4-5 and the wet rubbing fastness is about level 3.
Description
The application is application number: 201110172931.6, the applying date: 2011.06.24, title: the dividing an application of " pre-treatment of cotton type fabric-modifying with bathe processing method ".
Technical field
The present invention relates to the pre-treatment of a kind of cotton type fabric-modifying with bathing processing method.
Background technology
The textile waste total release is dyeing and finishing wastewater more than 80%, and impurity content is large, and colourity is dark, and change of water quality is large, administers difficulty.Process 0.70 yuan of sewage subsistence level per ton expense, have even up to 3.00 yuan per ton.Printing and dyeing assistant has security and biological degradability to the impact of environment.The discharging of dyeing and finishing sewage causes the pollution of most rivers, and ecological environment is consisted of harm, so using water wisely and sewage disposal are to solve the significant problem that dyeing and finishing industry pollutes.From producing the source of sewage, be mainly that the sewage quantity that produces in production process is large, contain unmanageable chemical substance, this just requires to improve shortened process, reduce the discharge capacity of sewage, in process of production, do not use or use less auxiliary agent harmful or low evil.
Both at home and abroad the colourist all seek a kind of can shortened process, simplified apparatus, reduction energy consumption, the way of ensuring the quality of products, be high efficiency shortened process technique, two-step method and one-step method are arranged at present, two step method has destarch, kiering, bleaching act of union and destarch, kiering merge, then bleaching, be called for short respectively D-SB method and DS--the B method; One-step method is three operations to be merged carry out, and is comparatively ideal technical process, has very high using value, uses many in production practices.
REACTIVE DYES is complete, bright in colour with its chromatogram, technique for applying is simple, can form covalent bonds with many fibers, and be subject to extensive concern, becomes topmost dyestuff.But also there are some problems in reactive dyeing, as with fiber generation covalent bonds the time, also can with medium, particularly aqueous solution generation hydrolysis, dye utilization rate is only generally 50%-60%; Need add stronger alkaline agent fixation when in addition, needing during reactive dyeing with a large amount of electrolyte, fixation.After dyeing, these hydrolised dyes, electrolyte, alkaline agent remain in the aqueous solution in a large number, not only increase the burden of sewage disposal, serious environment pollution after discharging also increases processing cost because dye utilization rate is not high, hinder the expansion of REACTIVE DYES and used, become the difficult point that current urgent need solves.
The best approach that improves the reactive dye color fixing rate is exactly to fibre modification, and the modification of cotton fiber roughly has three kinds of approach: be at first physical aspect and the micro-structural change to fiber, cause that its dyeability changes.The most important thing is to process with highly basic, for example COTTON FABRIC is carried out mercerising, also comprise with liquefied ammonia, glycerine and phosphoric acid and processing, they all can change little knot mandarin orange of cotton fiber, cause that even crystal formation changes, not only great changes will take place for physical property, and dyeability is also promoted to some extent.Another kind of modification is to fiber surface modification, and this comprises physics, physical chemistry and chemical method.Can cause also after fiber surface modification that dyeability changes.Also have a kind of approach exactly to whole fiber comprise its surface and inside carry out chemical modification.This sex change generally can cause the variation that dyeability is larger.The reagent of chemical modification has multiple, and chemical modification can also adopt some specific process, for example low temperature plasma, ultraviolet ray and laser israds, and the processing of enzyme, they can cause that all the dyeability of fiber changes, and dyeability is promoted in some meetings, and what have can weaken dyeability.
Summary of the invention
The object of the present invention is to provide and a kind ofly make cotton type fabric-modifying pre-treatment that the dyeability after cotton type textile dyeing effectively improves with bathing processing method.
Technical solution of the present invention is:
The pre-treatment of a kind of cotton type fabric-modifying comprises cotton type fabric is carried out pre-treatment with bathing processing method, it is characterized in that: after pre-treatment a period of time, directly add cation modifier to continue to process in pretreatment liquid, then wash and dry.
Add the treatment fluid after modifier to be formed by following ingredients in described pretreatment liquid:
Cation modifier 4-20g/L
27% hydrogen peroxide 4-25ml/L
NaOH 4-20g/L
Sodium metasilicate 2-4g/L
Water surplus;
The pH value for the treatment of fluid is 6-10, and temperature is 70-98 ℃; The cotton type processing time of fabric in adding the pretreatment liquid of cation modifier is 30-100 minute.
The bath raio of the processing of cotton type fabric in adding the pretreatment liquid of cation modifier is 10:1.
Described pre-treatment a period of time is 8 ~ 12 minutes.
Described cation modifier is PECH, Prefix k, grafting agent CY or HH-1688A.
Technological process of the present invention is simple, through cotton type fabric that the present invention processes after with reactive dyeing, degree of fixation reaches 90%, 4 grades of left and right of washing fastness, dry fastness 4-5 level, fastness to wet rubbing 3 grades of left and right, namely greatly improved the degree of fixation of REACTIVE DYES on cotton type fabric, and doing after dying, fastness to wet rubbing and the fastness of soaping, fade are all high than common process, and reduce in dyeing course and even do not use inorganic glauber salt, reduce the dyeing waste water discharge capacity.
The invention will be further described below in conjunction with embodiment.
The specific embodiment
The pre-treatment of a kind of cotton type fabric-modifying is with bathing processing method, comprise cotton type fabric (cotton ammonia stockinette, cotton binding textiles, ramie cotton fabric, polyester cotton or polyamide/cotton mixture) is carried out pre-treatment, it is characterized in that: after pre-treatment 8 ~ 12 minutes (example 8 minutes, 10 minutes, 12 minutes), directly add cation modifier to continue to process in pretreatment liquid, then wash and dry.
Add the treatment fluid after modifier to be formed by following ingredients in described pretreatment liquid:
Cation modifier 4-20g/L(example 4 g/L, 12 g/L, 20 g/L)
27% hydrogen peroxide 4-25ml/L(example 4 ml/L, 15 ml/L, 25 ml/L)
NaOH 4-20g/L(example 4 g/L, 12 g/L, 20 g/L)
Sodium metasilicate 2-4g/L(example 2 g/L, 3g/L, 4 g/L)
Water surplus;
The pH value for the treatment of fluid is 6-10(example 6,8,10), temperature is 70-98 ℃ (70 ℃, 85 ℃, 98 ℃ of examples); The cotton type processing time of fabric in adding the pretreatment liquid of cation modifier is 30-100 minute (example 30 minutes, 70 minutes, 100 minutes).
The bath raio of the processing of cotton type fabric in adding the pretreatment liquid of cation modifier is 10:1.Described cation modifier is PECH(or Prefix k or grafting agent CY or HH-1688A).
Cotton type fabric after the present embodiment is processed carries out salt-free dyeing with the plain red BF-RF of the refined lattice of REACTIVE DYES, 60 ℃ enter to dye, dye 60 minutes after, carry out post processing.Bath raio 10:1.
The performance of DYED FABRICS sees the following form:
Upper table has reflected excellent effect of the present invention.
Claims (2)
1. the simple cotton type fabric-modifying of flow process pre-treatment is with bathing processing method, comprise cotton type fabric is carried out pre-treatment, it is characterized in that: after pre-treatment a period of time, directly add cation modifier to continue to process in pretreatment liquid, then wash and dry; Add the treatment fluid after modifier to be formed by following ingredients in described pretreatment liquid:
Cation modifier 4-20g/L
27% hydrogen peroxide 4-25ml/L
NaOH 4-20g/L
Sodium metasilicate 2-4g/L
Water surplus;
The pH value for the treatment of fluid is 6-10, and temperature is 70-98 ℃; The cotton type processing time of fabric in adding the pretreatment liquid of cation modifier is 30-100 minute; Described cation modifier is Prefix k or grafting agent CY.
2. the pre-treatment of the simple cotton type fabric-modifying of flow process according to claim 1 is with bathing processing method, and it is characterized in that: described pre-treatment a period of time is 8 ~ 12 minutes.
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CN2013101102277A CN103173995A (en) | 2011-06-24 | 2011-06-24 | Co-bath treatment method with simple process for modification pretreatment of cotton fabric |
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CN2013101102277A CN103173995A (en) | 2011-06-24 | 2011-06-24 | Co-bath treatment method with simple process for modification pretreatment of cotton fabric |
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CN2011101729316A Division CN102392343B (en) | 2011-06-24 | 2011-06-24 | Pretreatment and bath-treatment method for modifying cotton fabrics |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106223066A (en) * | 2016-08-01 | 2016-12-14 | 太仓市鑫泰针织有限公司 | A kind of technique of the firm dyeing of linen-cotton knitwear |
CN115726190A (en) * | 2022-11-28 | 2023-03-03 | 赵子瑞 | Preparation method of reduced graphene oxide/cation modified cotton fabric |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101381963A (en) * | 2007-09-09 | 2009-03-11 | 胡红湘 | Salt free dyeing with reactive dye |
CN101457490A (en) * | 2008-12-26 | 2009-06-17 | 盛虹集团有限公司 | Deep color coating dyeing method of all cotton yarn fabric |
CN101864676A (en) * | 2010-06-08 | 2010-10-20 | 上海工程技术大学 | Cation modified dyeing method of ceiba fiber textiles |
-
2011
- 2011-06-24 CN CN2013101102277A patent/CN103173995A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101381963A (en) * | 2007-09-09 | 2009-03-11 | 胡红湘 | Salt free dyeing with reactive dye |
CN101457490A (en) * | 2008-12-26 | 2009-06-17 | 盛虹集团有限公司 | Deep color coating dyeing method of all cotton yarn fabric |
CN101864676A (en) * | 2010-06-08 | 2010-10-20 | 上海工程技术大学 | Cation modified dyeing method of ceiba fiber textiles |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106223066A (en) * | 2016-08-01 | 2016-12-14 | 太仓市鑫泰针织有限公司 | A kind of technique of the firm dyeing of linen-cotton knitwear |
CN115726190A (en) * | 2022-11-28 | 2023-03-03 | 赵子瑞 | Preparation method of reduced graphene oxide/cation modified cotton fabric |
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Application publication date: 20130626 |