CN103526608B - Cellulose base fiber fabric faintly acid washing process - Google Patents
Cellulose base fiber fabric faintly acid washing process Download PDFInfo
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- CN103526608B CN103526608B CN201310443662.1A CN201310443662A CN103526608B CN 103526608 B CN103526608 B CN 103526608B CN 201310443662 A CN201310443662 A CN 201310443662A CN 103526608 B CN103526608 B CN 103526608B
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Abstract
The invention discloses a kind of cellulose base fiber fabric faintly acid washing process, comprise acid neutralization, conventional hot water washes, faintly acid high temperature washing step and dry cropping four operations; Faintly acid high temperature washing step, can complete according to the washing lattice of cellulose base fiber fabric direction of travel backflow based on more than three liquid levels; In described each washing lattice, there are the acidity washing lattice of an employing glacial acetic acid adjust ph, the pH=5-6 of this acidity washing lattice, and the side of acid washing lattice line direction before cellulose base fiber fabric is at least communicated with a washing lattice a, meanwhile, this acidity washing lattice are also at least communicated with a washing lattice b at opposite side; When carrying out faintly acid high temperature washing step, cellulose base fiber fabric first, after washing lattice b washing, enters the washing of acid washing lattice, after eventually passing washing lattice a washing, enters and dries cropping operation; In addition, described washing lattice a, acid washing temperature of washing lattice and washing lattice b three reach unanimity, between 90-98 degree Celsius.Through washing process of the present invention, cloth cover pH value is stablized, and does not cause aberration, and after washing, COLOR FASTNESS is good, and washing efficiency is high.
Description
Technical field
The present invention relates to a kind of cellulose base fiber fabric faintly acid washing process, belong to textile dyeing and finishing processing technique field.
Background technology
For cellulose base fiber fabric, general employing reactive printing technique, through decatize, then will pass through washing, eccysis loose colour and slurry after reactive printing.Traditional washing process carries out mostly in the basic conditions, pads, because dip time is short, temperature is low at the first lattice separate unit washing lattice acid adding normal temperature, permeate insufficient, the pH value of cloth cover is unstable, and some Color pair pH values are more responsive, because the instability of pH value causes aberration.In high-temperature alkaline water-washing process, some REACTIVE DYES containing vinyl sulfone(RemzaolHuo Xingranliaohuoxingjituan) are easily hydrolyzed, and loose colour easily stains white background, and the thickener of sodium alginate is difficult to eliminate, and feel is bad.Technique is washed better for the loose colour removal effect after cellulose base fiber fabric reactive printing though entirely boiled in recent years, but the dyestuff for stamp requires very high, some conventional REACTIVE DYES containing vinyl sulfone(RemzaolHuo Xingranliaohuoxingjituan) active group are inapplicable, the pH value of cloth cover is also difficult to stable, in the arrangement process in rear road, also to add acid additive adjust pH, because temperature during dipping is low, the time is short, causes PH unstable equally, cause aberration.Some dark heavy colour flower pattern, traditional handicraft will be carried out 2 times or repeatedly be washed, waste water, electricity, steam, efficiency is low, and effect is bad.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of cellulose base fiber fabric faintly acid washing process, through washing process of the present invention, cloth cover pH value is stablized, and does not cause aberration, and after washing, COLOR FASTNESS is good, and washing efficiency is high, and cost is low, energy-saving and emission-reduction.
For solving the problems of the technologies described above, technical scheme provided by the invention is:
A kind of cellulose base fiber fabric faintly acid washing process, comprise acid neutralization, conventional hot water washes, cropping four operations are washed and dried to high temperature, described high temperature washing step is faintly acid high temperature washing step; Described faintly acid high temperature washing step, can complete according to the washing lattice of cellulose base fiber fabric direction of travel backflow based on more than three liquid levels; In described each washing lattice, there are the acidity washing lattice of an employing glacial acetic acid adjust ph, the pH=5-6 of this acidity washing lattice, and the side of acid washing lattice line direction before cellulose base fiber fabric is at least communicated with a washing lattice a, meanwhile, this acidity washing lattice are also at least communicated with a washing lattice b at opposite side; When carrying out faintly acid high temperature washing step, cellulose base fiber fabric first, after washing lattice b washing, enters the washing of acid washing lattice, after eventually passing washing lattice a washing, enters and dries cropping operation; In addition, described washing lattice a, acid washing temperature of washing lattice and washing lattice b three reach unanimity, between 90-98 degree Celsius.
In described washing lattice b, wash adjacent that of lattice with acidity and wash lattice, in its washing lotion, be added with acidproof detergent.
In described sour neutralization procedure, the glacial acetic acid aqueous solution of pH=3-4 is adopted to carry out pickling 1 lattice to fabric at 20 DEG C; Conventional hot water washes in step, and employing temperature is that the conventional hot water of 85-98 DEG C washes 3-6 lattice.
It is 3 lattice that described conventional hot water washes step, is respectively the hot water wash being warming up to 85 DEG C of the first lattice, the hot water wash being warming up to 85 DEG C of the second lattice, the concussion washing being warming up to 90 DEG C of the 3rd lattice.
The temperature of described faintly acid high temperature washing is 95 DEG C.
Described cellulose base fiber fabric from conventional hot water wash operation enter first of faintly acid high temperature washing step washing lattice discharge the pH=6-7 of liquid.
The speed of a motor vehicle of described washing is 30m/min.
Described acidproof detergent selects the JL-518 of gold Shandong, Shandong Chemical Manufacture, the FX-201 that Fang Ju Science and Technology Ltd. of Foshan City produces, and 209 of Wuhan, Hubei Lion Rock chemistry painting industry factory production, all can buy from market.
By above technical scheme, relative to prior art, the present invention has following beneficial effect:
The originally technique that adopts of factory, not acid adding during washing, or only in the first lattice room temperature acid adding during acid adding, temperature is low, the time is short, and permeate insufficient, cloth cover is meta-alkalescence still, through Final finishing acid adding adjusted to ph, easily produce the instability of cloth cover pH value, thus cause aberration.When long-time high temperature is soaped in the basic conditions, the easy scission of link hydrolysis of REACTIVE DYES of some vinyl sulfone(RemzaolHuo Xingranliaohuoxingjituan)s, loose colour increases; And under alkali condition, do not reduce with the solubility of fibre-reactive dyestuffs, not easily eccysis easily causes white background part to stain on the contrary; The amine substance that residual concentrator produces with urea in some residual dyestuffs, calcium ions and magnesium ions, print paste gathers, water-soluble reduction, be difficult to eccysis, so the eccysis of loose colour and slurry is insufficient, after drying, loose colour and paste deposition, in the yarn fibers inside of fabric, affect COLOR FASTNESS and feel.Even if increase a washing again, also significantly do not change.If washing times is too much, hydrolised dye can be caused on the contrary more than eccysis dyestuff, the phenomenon that COLOR FASTNESS declines on the contrary.
Washing process of the present invention, original high temperature washing step is changed to faintly acid high temperature washing step, and each washing lattice involved by faintly acid high temperature washing step are interconnected, wherein washing lotion liquid level can reflux according to cellulose base fiber fabric direction of travel, make fabric can carry out high temperature washing neutral (the first lattice pH value is 6-7) to the washing lattice of faintly acid (pH value is 5-6), covalent bond between dyestuff and fiber is comparatively stable under faintly acid to neutrallty condition, be difficult to produce scission of link, cause cloth cover loose colour to produce; The alkaline matter of fabric yarn fibrous inside is neutralized washing fully, and cloth cover pH value is stablized; Residual loose colour, slurry, amine impurities dissolubility improve, and can remove thoroughly; White background not staining; Final finishing is without the need to acid adding adjusted to ph, and nature would not cause aberration; Only need a washing, production efficiency is high, and the every COLOR FASTNESS after washing is high.
Specific embodiment
Now a kind of cellulosic fibrous structures provided by the invention is described in detail without faintly acid washing process in conjunction with the embodiments:
Embodiment: sample: textile 14.58tex*14.58tex, 523.6/10cm*30 root/10cm fabric width 266.7cm, reactive printing after washing.
Former washing process:
Speed of a motor vehicle 45m/min; Comprise acid neutralization, conventional hot water washes, cropping four operations are washed and dried to high temperature; Conventional hot water washes operation and is generally 3 lattice; High temperature washing step is 4 lattice, and four of high temperature washing step washing lattice are interconnected, and the washing lotion liquid level in each washing lattice can reflux; Because the cloth cover through dyeing and finishing technology process is generally in alkalescence, therefore, the washing lotion (waste liquid of washed fabric) in each washing lattice, also in alkalescence, affects the dyeing and finishing effect of fabric;
The faintly acid washing process of cellulose base fiber fabric of the present invention:
Speed of a motor vehicle 30m/min
Squezzing, shower water is opened, and padding machine leaves
→ 1# lattice, pad acid (pH controls at 3-4, room temperature)
→ 2# lattice, hot water wash, 85 ° of C, spray is opened, independent lattice;
→ 3# lattice, hot water wash, 85 ° of C, spray is opened, independent lattice;
→ 4# lattice, hot water wash, 90 ° of C, concussion washing, spray is opened, independent lattice;
→ 5# lattice, hot water wash, 95 ° of C, efficiently wash, and in water washing chamber, spray is opened;
→ 6# lattice, hot water wash, 95 ° of C, spray is opened, and adds acidproof detergent JL-518;
→ 7# lattice, adjust pH=5-6 with glacial acetic acid, hot water wash, 95 ° of C, and spray is opened;
→ 8# lattice, hot water wash, 95 ° of C, spray is opened;
→ dry cloth car cropping.
Wherein: 2#, 3#, 4# wash lattice and wash operation for conventional hot water; It is faintly acid high temperature washing step that 5#, 6#, 7#, 8# wash lattice, and these four washing lattice interconnect, and reflux successively from 8# lattice through 7# lattice, 6# lattice to 5# lattice, surveys 5# grillages water pH=6-7; In addition, the wash temperature that 5#, 6#, 7#, 8# wash lattice reaches unanimity, and between 90-98 degree Celsius, is preferably 95 ° of C; It can thus be appreciated that, cellulose base fiber fabric described in the application is in faintly acid high temperature washing step, high temperature washing can be carried out to the washing lattice of faintly acid (pH value is 5-6) neutral (the first lattice pH value is 6-7), covalent bond between dyestuff and fiber is comparatively stable under faintly acid to neutrallty condition, be difficult to produce scission of link, cause cloth cover loose colour to produce; The alkaline matter of fabric yarn fibrous inside is neutralized washing fully, and cloth cover pH value is stablized; Residual loose colour, slurry, amine impurities dissolubility improve, and can remove thoroughly; White background not staining; Final finishing is without the need to acid adding adjusted to ph, and nature would not cause aberration; Only need a washing, production efficiency is high, and the every COLOR FASTNESS after washing is high.
The results contrast obtained after implementing by faintly acid washing process after former washing process and cellulose fibre reactive printing as shown above.
Claims (5)
1.
a kind of cellulose base fiber fabric faintly acid washing process, comprises acid neutralization, conventional hot water washes, cropping four operations are washed and dried to high temperature, it is characterized in that: described high temperature washing step is faintly acid high temperature washing step; Described faintly acid high temperature washing step, can complete according to the washing lattice of cellulose base fiber fabric direction of travel backflow based on more than three liquid levels; In each washing lattice, there are the acidity washing lattice of an employing glacial acetic acid adjust ph, the pH=5-6 of this acidity washing lattice, and the side of acid washing lattice line direction before cellulose base fiber fabric is at least communicated with a washing lattice a, meanwhile, this acidity washing lattice are also at least communicated with a washing lattice b at opposite side; When carrying out faintly acid high temperature washing step, cellulose base fiber fabric first, after washing lattice b washing, enters the washing of acid washing lattice, after eventually passing washing lattice a washing, enters and dries cropping operation; In addition, described washing lattice a, acid washing temperature of washing lattice and washing lattice b three reach unanimity, between 90-98 degree Celsius; In described sour neutralization procedure, the glacial acetic acid aqueous solution of pH=3-4 is adopted to carry out pickling 1 lattice to fabric at 20 DEG C; Conventional hot water washes in step, and employing temperature is that the conventional hot water of 85-98 DEG C washes 3-6 lattice; Described cellulose base fiber fabric from conventional hot water wash operation enter first of faintly acid high temperature washing step washing lattice discharge the pH=6-7 of liquid.
2.
cellulose base fiber fabric faintly acid washing process according to claim 1, is characterized in that: in described washing lattice b, washes adjacent that of lattice and washes lattice, be added with acidproof detergent in its washing lotion with acidity.
3.
cellulose base fiber fabric faintly acid washing process according to claim 2, it is characterized in that: it is 3 lattice that described conventional hot water washes step, be respectively the hot water wash being warming up to 85 DEG C of the first lattice, the hot water wash being warming up to 85 DEG C of the second lattice, the concussion washing being warming up to 90 DEG C of the 3rd lattice.
4.
cellulose base fiber fabric faintly acid washing process according to claim 1, is characterized in that: the temperature of described faintly acid high temperature washing is 95 DEG C.
5.
cellulose base fiber fabric faintly acid washing process according to claim 1, is characterized in that: the speed of a motor vehicle of described washing is 30m/min.
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| CN201310443662.1A CN103526608B (en) | 2013-09-26 | 2013-09-26 | Cellulose base fiber fabric faintly acid washing process |
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| CN201310443662.1A CN103526608B (en) | 2013-09-26 | 2013-09-26 | Cellulose base fiber fabric faintly acid washing process |
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| CN103526608B true CN103526608B (en) | 2015-12-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104195812B (en) * | 2014-09-10 | 2016-06-01 | 福建福田纺织印染科技有限公司 | Washing process after a kind of stamp |
| CN108201278A (en) * | 2018-01-22 | 2018-06-26 | 南通梦琦锐数码纺织有限公司 | A kind of preparation method of bamboo fibre summer sleeping mat |
| CN108754942B (en) * | 2018-07-23 | 2021-03-16 | 稳健医疗用品（荆门）有限公司 | Non-woven fabric dyeing device and process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353843A (en) * | 2008-08-29 | 2009-01-28 | 曹平 | Water-soluble hot melt lining cloth and production method thereof |
| CN102535205A (en) * | 2011-12-28 | 2012-07-04 | 浙江纺织服装职业技术学院 | Post-treatment fixation process for fabric dyeing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353843A (en) * | 2008-08-29 | 2009-01-28 | 曹平 | Water-soluble hot melt lining cloth and production method thereof |
| CN102535205A (en) * | 2011-12-28 | 2012-07-04 | 浙江纺织服装职业技术学院 | Post-treatment fixation process for fabric dyeing |
Non-Patent Citations (1)
| Title |
|---|
| 活性印染逐格逆流全沸洗工艺;武丰才等;《印染》;20101215(第24期);第23-26页 * |
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Address after: 226300 Jiangsu city of Nantong province Tongzhou District Industrial Park building sun Zhihao Patentee after: JIANGSU GOLDSUN TEXTILE TECHNOLOGY CO., LTD. Address before: 226300 Jiangsu city of Nantong province Tongzhou District Industrial Park building sun Zhihao Patentee before: Goldsun Holding Group Co., Ltd. |