CN102392343B - Pretreatment and bath-treatment method for modifying cotton fabrics - Google Patents
Pretreatment and bath-treatment method for modifying cotton fabrics Download PDFInfo
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- CN102392343B CN102392343B CN2011101729316A CN201110172931A CN102392343B CN 102392343 B CN102392343 B CN 102392343B CN 2011101729316 A CN2011101729316 A CN 2011101729316A CN 201110172931 A CN201110172931 A CN 201110172931A CN 102392343 B CN102392343 B CN 102392343B
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Abstract
The invention discloses a pretreatment and bath-treatment method for modifying cotton fabrics. The pretreatment and bath-treatment method comprises the following steps of: carrying out pretreatment on cotton fabrics; after certain period of pretreatment, directly adding a cationic modifying agent to a pretreatment solution for continuous treatment; and then washing by using water and drying. The method has a simple process flow; after being dyed by using reactive dyes, the cotton fabric treated by the method has the color fixing rate as high as 90%, the washing fastness of about 4 levels, the dry friction fastness of 4-5 levels and the wet friction fastness of about 3 levels.
Description
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 big, and colourity is dark, and change of water quality is big, administers difficulty.Handle 0.70 yuan of sewage subsistence level per ton expense, have in addition up to 3.00 yuan per ton.Printing and dyeing assistant has security and biological degradability to the influence of environment.The dyeing and finishing sewage emissions causes the pollution of most rivers, and ecological environment is constituted 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, mainly be that the sewage quantity that produces in the production process is big, contain unmanageable chemical substance, this just requires to improve shortened process, reduce the sewage emissions amount, in process of production, do not use or few use auxiliary agent harmful or low evil.
The colourist is in the way of seeking a kind of energy shortened process, simplified apparatus, cutting down the consumption of energy, ensure the quality of products both at home and abroad, be high efficiency shortened process technology, 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, bleaching is called for short D-SB method and DS--B method respectively then; 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 subjected 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 generally only is 50%-60%; In addition, need add stronger alkaline agent fixation in the time of need be during reactive dyeing with a large amount of electrolyte, fixation.These hydrolised dyes of dyeing back, electrolyte, alkaline agent remain in the aqueous solution in a large number, not only increase the burden of sewage disposal, discharging back serious environment pollution 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: at first be physical aspect and the micro-structural change to fiber, cause that its dyeability changes.The most important thing is to handle, for example COTTON FABRIC is carried out mercerising, also comprise with liquefied ammonia, glycerine and phosphoric acid and handling with highly basic, they all can change little knot mandarin orange of cotton fiber, even cause that 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 behind the 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 bigger.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 the meeting that has, and what have then 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 the 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 and continue to handle in pretreatment liquid, wash then and dry.
Treatment fluid in the described pretreatment liquid behind the adding modifier is made up of following ingredients:
The pH value of treatment fluid is 6-10, and temperature is 70-98 ℃; The cotton processing time of type fabric in the pretreatment liquid that adds cation modifier is 30-100 minute.
The bath raio of the processing of cotton type fabric in the pretreatment liquid that adds 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 handles after with reactive dyeing, degree of fixation reaches 90%, about 4 grades of washing fastnesses, dry fastness 4-5 level, about 3 grades of fastness to wet rubbings, promptly improved the degree of fixation of REACTIVE DYES on the cotton type fabric greatly, and doing after dying, fastness to wet rubbing and the fastness of soaping, fade be all than common process height, and reduce in dyeing course and even do not use inorganic glauber salt, reduces 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 nylon cotton interwoven thing) is carried out pre-treatment, it is characterized in that: after pre-treatment 8～12 minutes (example 8 minutes, 10 minutes, 12 minutes), directly in pretreatment liquid, add cation modifier and continue to handle, wash then and dry.
Treatment fluid in the described pretreatment liquid behind the adding modifier is made up of following ingredients:
The pH value of treatment fluid is 6-10 (example 6,8,10), and temperature is 70-98 ℃ (70 ℃, 85 ℃, 98 ℃ of examples); The cotton processing time of type fabric in the pretreatment liquid that adds cation modifier is 30-100 minute (example 30 minutes, 70 minutes, 100 minutes).
The bath raio of the processing of cotton type fabric in the pretreatment liquid that adds cation modifier is 10: 1.Described cation modifier is PECH (or Prefix k or grafting agent CY or HH-1688A).
Cotton type fabric after present embodiment is handled carries out salt-free dyeing with the red BF-RF of the refined lattice element of REACTIVE DYES, 60 ℃ go into to dye, dye 60 minutes after, carry out post processing.Bath raio 10: 1.
The performance of DYED FABRICS sees the following form:
Last table has reflected excellent effect of the present invention.
Claims (1)
1. cotton type fabric-modifying pre-treatment 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 and continue to handle in pretreatment liquid, wash then and dry; Treatment fluid in the described pretreatment liquid behind the adding modifier is made up of following ingredients:
The pH value of treatment fluid is 6-10, and temperature is 70-98 ℃; The cotton processing time of type fabric in the pretreatment liquid that adds cation modifier is 30-100 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101729316A CN102392343B (en) | 2011-06-24 | 2011-06-24 | Pretreatment and bath-treatment method for modifying cotton fabrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101729316A CN102392343B (en) | 2011-06-24 | 2011-06-24 | Pretreatment and bath-treatment method for modifying cotton fabrics |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109764XA Division CN103173994A (en) | 2011-06-24 | 2011-06-24 | Co-bath treatment method for modification pretreatment of fabric |
| CN2013101102277A Division CN103173995A (en) | 2011-06-24 | 2011-06-24 | Co-bath treatment method with simple process for modification pretreatment of cotton fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392343A CN102392343A (en) | 2012-03-28 |
| CN102392343B true CN102392343B (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101729316A Expired - Fee Related CN102392343B (en) | 2011-06-24 | 2011-06-24 | Pretreatment and bath-treatment method for modifying cotton fabrics |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898777B (en) * | 2014-04-10 | 2016-02-24 | 广东溢达纺织有限公司 | A kind of method improving reactive dyeing degree of fixation |
| CN104177865B (en) * | 2014-07-31 | 2016-01-06 | 青岛大学 | The cation-modified raffinate of cotton fabric is utilized to prepare the method for organic pigment dispersions |
| CN104264232B (en) * | 2014-08-27 | 2016-04-06 | 青岛大学 | The method of functional bast fiber is prepared in a kind of modification of coming unstuck |
| 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 |
| CN107675324A (en) * | 2017-09-30 | 2018-02-09 | 宁波市鄞州区超锐食品科技有限公司 | Absorb water gas permeability fabric |
| CN112281486A (en) * | 2020-11-10 | 2021-01-29 | 广东溢达纺织有限公司 | Cationic modification method of fabric and application thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101705626B (en) * | 2009-11-23 | 2012-06-06 | 浙江理工大学 | Textile printing method with little amount of water of cotton fabric by utilizing reactive dye |
| CN101864676B (en) * | 2010-06-08 | 2012-02-15 | 上海工程技术大学 | Cation modified dyeing method of ceiba fiber textiles |
| CN102061634B (en) * | 2010-12-09 | 2012-05-30 | 张家港三得利染整科技有限公司 | Method for dyeing yarn containing cellulose fiber by reactive dye |
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Inventor after: Gao Xiaohong Inventor after: Jia Xueping Inventor after: Zhu Yi Inventor after: Shi Lei Inventor after: You Kefei Inventor after: Zhang Ziyi Inventor after: Jiu Qinhua Inventor after: Kong Lingjie Inventor before: Gao Xiaohong Inventor before: Jia Xueping Inventor before: Zhu Yi |
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Free format text: CORRECT: INVENTOR; FROM: GAO XIAOHONG JIA XUEPING ZHU YI TO: GAO XIAOHONG JIA XUEPING ZHU YI SHI LEI YOU KEFEI ZHANG ZIYI MIAO QINHUA KONG LINGJIE |
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