CN109944056A - A kind of cylinder yarn short-flow pre-treating process - Google Patents
A kind of cylinder yarn short-flow pre-treating process Download PDFInfo
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- CN109944056A CN109944056A CN201910232635.7A CN201910232635A CN109944056A CN 109944056 A CN109944056 A CN 109944056A CN 201910232635 A CN201910232635 A CN 201910232635A CN 109944056 A CN109944056 A CN 109944056A
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- cotton yarn
- bleaching liquor
- deoxidation
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Abstract
The invention discloses a kind of cylinder yarn short-flow pre-treating process, comprising the following steps: (1) caustic soda, BLU refining agent and hydrogen peroxide are added to temperature is to be uniformly mixed in 45~55 DEG C of warm water, obtains described boiling bleaching liquor；The pH value for boiling bleaching liquor is 10.5~11.0；(2) raw cotton yarn is put into and is boiled in bleaching liquor, being heated to temperature is 95~105 DEG C, boils 10~30min of drift；(3) 10~20min of circulating water wash in 35~45 DEG C of warm water of the cotton yarn after floating will be boiled；(4) cotton yarn after washing is entered into deoxidation bath and carries out deoxidation, the temperature of the deoxidation bath is 35~45 DEG C, 15~25min of deaeration time.Present invention process boils the cotton yarn after drift compared to traditional handicraft effect, and the loss of cotton yarn weightlessness is smaller, reduces 0.5% or more than traditional handicraft weightlessness, reduces cotton yarn loss, has saved cotton yarn.And it is excellent compared to traditional handicraft cotton yarn capillary effect, strongly higher.
Description
Technical field
The present invention relates to textile technology fields, and in particular to a kind of cylinder yarn pre-treating technology.
Background technique
With the increasingly raising of environmental requirement, energy-efficient printing and dyeing pre-treatment is had been to be concerned by more and more people.Tradition
Cotton yarn pre-treatment need the caustic soda of higher temperature and higher concentration, in favor of the impurity contained on removal cotton fiber, beaten for dyeing
Good basis.Due to use high concentration caustic soda (caustic soda at concentrations up to 3.5wt% or more), need repeatedly to wash after boiling drift and
It neutralizes, process is longer, and discharge of wastewater is more, and treatment pressure of sewage is big.And caustic soda and the high-temperature boiling drift of high concentration, it also results in and boils
The problems such as cotton yarn loss is big during drift, influences the strength of cotton yarn.
Therefore, cylinder yarn pre-treatment is improved towards the energy-efficient direction of low alkali, is target and the direction of cotton yarn treatment process.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the deficienciess of the prior art, providing a kind of cylinder yarn short route
Pre-treating technology, the treatment process process flow is short, energy-saving and emission-reduction, and small to the low damage of cotton yarn loss.
In order to solve the above technical problems, the technical scheme is that
A kind of cylinder yarn short-flow pre-treating process, comprising the following steps:
(1) it prepares and boils bleaching liquor: caustic soda, BLU refining agent and hydrogen peroxide being added in the warm water that temperature is 45~55 DEG C, mixed
It closes uniformly, obtains described boiling bleaching liquor；Described boil contains 1.0~2.0wt% of caustic soda, 1.0~2.0wt% of BLU refining agent in bleaching liquor
With 4.5~5.5wt% of hydrogen peroxide；The pH value for boiling bleaching liquor is 10.5~11.0；
(2) it boils drift: raw cotton yarn being put into and is boiled in bleaching liquor, being heated to temperature is 95~105 DEG C, boils 10~30min of drift；
(3) it washes: the 10~20min of circulating water wash in 35~45 DEG C of warm water of the cotton yarn after floating will be boiled；
(4) deoxidation: entering deoxidation bath for the cotton yarn after washing and carry out deoxidation, and the temperature of the deoxidation bath is 35~45 DEG C,
15~25min of deaeration time.
Present inventor is according to oxygen bleaching process condition analysis, and pH value is under the conditions of 10.5~11, fiber strength, polymerization
Degree keeps best, exceeds this pH range, fiber strength, the degree of polymerization will decline.But pH value is lower than 10, whiteness can decline.Cause
This, the bleaching liquor that boils of the invention improves 10% dioxygen water consumption.Traditional handicraft dioxygen water consumption is 4.0~4.5%.
As a kind of improved technical solution, the BLU refining agent is modified fatty alcohol polyethenoxy ether refining agent；It is described
Modified fatty alcohol polyethenoxy ether is obtained using the modification of anionic comb polymer.
The Ou Ge orchid BLU of the preferred Qingdao Ou Ge textile material Co., Ltd production of BLU refining agent, its main component
Anionic comb polymer modified fatty alcohol polyethenoxy ether, using anionic comb polymer Surfactant into
Row is modified, anionic comb polymer modified surface active's agent micella, is had characteristics that by reducing critical micelle concentration
(CMC) concentration of active surface activating agent in processing bath is improved.Compared with conventional detergent, washing ability is improved at least
30%.Make the solid particle stable dispersion of dispersion by steric hindrance and electrostatic interaction.It improves to greasy dirt, wax and finishing agent
Emulsion stability.Improve the hydrophily of fabric.With fabulous washing ability, can be good at removing the spot on fabric.
With high emulsifying capacity.The low alkali bleaching of high temperature for cotton and its blended fabric, to shorten the dyeing and printing process of this kind fabric
Process achievees the purpose that reduce production cost, improves production efficiency and energy-saving and emission-reduction.
As a kind of improved technical solution, step (2) boil drift after, boil bleaching liquor pH value be 7.5~8.5.
As a kind of preferred technical solution, neutralization procedure is not needed after the washing of step (3), is directly entered deoxidation
Step (4).
As a kind of preferred technical solution, deoxygenase used in the deoxidation bath of step (4) is deoxygenase MK-27；Institute
Stating deoxygenase content is 0.05~0.15wt%.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
Cylinder yarn short-flow pre-treating process of the invention, the BLU refining agent used have fabulous washing ability, can be very
Spot on good removal fabric；With high emulsifying capacity, the low alkali bleaching of high temperature for cotton and its blended fabric can be with
It carries out boiling drift using the caustic soda of low concentration, and reduces boil 10 DEG C of temperature of drift or more compared with prior art, saved the heating-up time,
Steam consumption is saved, CO is reduced2Discharge.And since initial pH value is low, under the conditions of pH value 10.5-11, fiber strength,
The degree of polymerization keeps best, exceeds this pH range, fiber strength, the degree of polymerization will decline.This technique, which boils drift, to be terminated, and it is basic to boil bleaching liquor
It is in neutrality, therefore does not need neutralization procedure and directly carry out deoxidation, washing also only needs once, and therefore, which greatly shortens
Pre-treating technology process, discharge of wastewater is few, and caustic soda, water consumption save, and does not use neutralizing acid, not only reduces production cost and life
Production capacity consumption, and it is small to the loss of cotton yarn, and strength damage is small.
Present invention process boils the cotton yarn after drift compared to traditional handicraft effect, and the loss of cotton yarn weightlessness is smaller, loses than traditional handicraft
0.5% or more is reduced again, is reduced cotton yarn loss, has been saved cotton yarn.And, strength excellent compared to traditional handicraft cotton yarn capillary effect is more
It is high.
Specific embodiment
Below with reference to specific embodiment, the present invention is further explained.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Embodiment 1
(1) it prepares and boils bleaching liquor: caustic soda, BLU refining agent and hydrogen peroxide being added in the warm water that temperature is 50 DEG C, mixing is equal
It is even, it obtains boiling bleaching liquor；Described boil contains caustic soda 1.5wt%, BLU refining agent 1.5wt% and hydrogen peroxide 5.0wt% in bleaching liquor；Institute
Stating and boiling the pH value of bleaching liquor is 10.5.
(2) boil drift: by 36.4tex yarn raw cotton yarn be put into it is above-mentioned boil in bleaching liquor, be heated to temperature be 98 DEG C, heat preservation operation
Boil drift 15min；It is 7.8 to the pH value for boiling bleaching liquor, drain.
(3) it washes: the circulating water wash 15min in 40 DEG C of warm water of the cotton yarn after floating will be boiled；Drain.
(4) deoxidation: entering the deoxidation bath that deoxygenase MK-27 content is 0.10wt% for the cotton yarn after washing and carry out deoxidation,
The temperature of the deoxidation bath is 40 DEG C, deaeration time 20min.
Boiling drift ice elution oxygen terminates, and takes cylinder yarn to see presentation quality, overall effect is even, saturating, and whiteness is uniform.
Embodiment 2
(1) it prepares and boils bleaching liquor: the BLU refining agent and hydrogen peroxide that caustic soda, Qingdao Ou Ge textile material Co., Ltd are produced
It is added in the warm water that temperature is 48 DEG C, is uniformly mixed, obtains boiling bleaching liquor；Described boil contains caustic soda 1.3wt%, BLU in bleaching liquor
Refining agent 1.6wt% and hydrogen peroxide 5.5wt%；The pH value for boiling bleaching liquor is 10.8.
(2) boil drift: by 36.4tex yarn raw cotton yarn be put into it is above-mentioned boil in bleaching liquor, be heated to temperature be 100 DEG C, heat preservation fortune
Row boils drift 18min；It is 8.0 to the pH value for boiling bleaching liquor, drain.
(3) it washes: the circulating water wash 20min in 38 DEG C of warm water of the cotton yarn after floating will be boiled；Drain.
Cotton yarn after washing is entered into the deoxidation bath that deoxygenase MK-27 content is 0.08wt% and carries out deoxidation, the deoxidation
The temperature of bath is 44 DEG C, deaeration time 22min.
(4) deoxidation: boiling drift ice elution oxygen terminates, and takes cylinder yarn to see presentation quality, overall effect is even, saturating, and whiteness is uniform.
Embodiment 3
(1) it prepares and boils bleaching liquor: the BLU refining agent and hydrogen peroxide that caustic soda, Qingdao Ou Ge textile material Co., Ltd are produced
It is added in the warm water that temperature is 52 DEG C, is uniformly mixed, obtains boiling bleaching liquor；Described boil contains caustic soda 1.4wt%, BLU in bleaching liquor
Refining agent 1.1wt% and hydrogen peroxide 4.8wt%；The pH value for boiling bleaching liquor is 11.0.
(2) boil drift: by 36.4tex yarn raw cotton yarn be put into it is above-mentioned boil in bleaching liquor, be heated to temperature be 102 DEG C, heat preservation fortune
Row boils drift 12min；It is 8.2 to the pH value for boiling bleaching liquor, drain.
(3) it washes: the circulating water wash 16min in 42 DEG C of warm water of the cotton yarn after floating will be boiled；Drain.
Cotton yarn after washing is entered into the deoxidation bath that deoxygenase MK-27 content is 0.12wt% and carries out deoxidation, the deoxidation
The temperature of bath is 38 DEG C, deaeration time 18min.
(4) deoxidation: boiling drift ice elution oxygen terminates, and takes cylinder yarn to see presentation quality, overall effect is even, saturating, and whiteness is uniform.
Comparative example 1
(1) prepare and boil bleaching liquor: by caustic soda, refining agent EPD-C, (this refining agent is the production of Shanghai Ke Kai Chemical Co., Ltd.
, main component is the compound of a variety of isomery alcohol) and hydrogen peroxide to be added to temperature be to be uniformly mixed, obtain in 50 DEG C of warm water
To boiling bleaching liquor；Described boil contains caustic soda 3.5wt%, refining agent 1.5wt% and hydrogen peroxide 4.0wt% in bleaching liquor；It is described to boil bleaching liquor
PH value be 13.0.
(2) boil drift: by 36.4tex yarn raw cotton yarn be put into it is above-mentioned boil in bleaching liquor, be heated to temperature be 110 DEG C, heat preservation fortune
Row boils drift 30min；Boil drift finish boil bleaching liquor pH value be 11.0, drain.
(3) it washes: the circulating water wash 15min in 40 DEG C of warm water of the cotton yarn after floating will be boiled；Drain；Then it is repeated once water
It washes, circulating water wash 15min, drain in 40 DEG C of warm water.
(4) it neutralizes: neutralizing acid is added in the cotton yarn after washing, being neutralized to pH value is 8.0, drain.
(5) deoxidation: entering the deoxidation bath that deoxygenase MK-27 content is 0.10wt% for the cotton yarn after neutralization and carry out deoxidation,
The temperature of the deoxidation bath is 40 DEG C, deaeration time 20min.
Embodiment 1-3 and the processed cotton yarn of comparative example 1 are detected using same detection method, testing result is such as
Table 1.
Table 1
Claims (4)
1. a kind of cylinder yarn short-flow pre-treating process, it is characterised in that the following steps are included:
(1) it prepares and boils bleaching liquor: caustic soda, BLU refining agent and hydrogen peroxide being added in the warm water that temperature is 45~55 DEG C, mixing is equal
It is even, it obtains described boiling bleaching liquor；Described boil contains 1.0~2.0wt% of caustic soda, 1.0~2.0wt% of BLU refining agent and double in bleaching liquor
4.0~6.0wt% of oxygen water；The pH value for boiling bleaching liquor is 10.5~11.0；
(2) it boils drift: raw cotton yarn being put into and is boiled in bleaching liquor, being heated to temperature is 95~105 DEG C, boils 10~30min of drift；
(3) it washes: the 10~20min of circulating water wash in 35~45 DEG C of warm water of the cotton yarn after floating will be boiled；
(4) deoxidation: the cotton yarn after washing is entered into deoxidation bath and carries out deoxidation, the temperature of the deoxidation bath is 35~45 DEG C, deoxidation
15~25min of time.
2. cylinder yarn short-flow pre-treating process as described in claim 1, it is characterised in that: the BLU refining agent is modified rouge
Fat alcohol polyoxyethylene ether refining agent；The modified fatty alcohol polyethenoxy ether is obtained using the modification of anionic comb polymer
's.
3. cylinder yarn short-flow pre-treating process as described in claim 1, it is characterised in that: step (2) boil drift after, boil
The pH value of bleaching liquor is 7.5~8.5.
4. cylinder yarn short-flow pre-treating process as described in claim 1, it is characterised in that: used in the deoxidation bath of step (4)
Deoxygenase be deoxygenase MK-27；The deoxygenase content is 0.05~0.15wt%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342779A (en) * | 2020-11-11 | 2021-02-09 | 河南省沈丘县三闸纺织有限公司 | Process for combining deoxidation and acidification in yarn barrel dyeing |
| CN115821568A (en) * | 2022-12-23 | 2023-03-21 | 合肥市东方美捷分子材料技术有限公司 | Flexible pretreatment process for pure cotton gauze |
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| CN101037842A (en) * | 2007-04-19 | 2007-09-19 | 上海祺瑞纺织化工有限公司 | Low-temperature scouring and bleaching agent and preparation method thereof and preprocessing technique |
| CN102704259A (en) * | 2012-06-25 | 2012-10-03 | 河北宁纺集团有限责任公司 | Low-temperature scouring and bleaching agent and application thereof |
| CN105386214A (en) * | 2015-12-22 | 2016-03-09 | 孚日集团股份有限公司 | Moisture-proof and sand-proof beach towel manufacturing process |
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2019
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037842A (en) * | 2007-04-19 | 2007-09-19 | 上海祺瑞纺织化工有限公司 | Low-temperature scouring and bleaching agent and preparation method thereof and preprocessing technique |
| CN102704259A (en) * | 2012-06-25 | 2012-10-03 | 河北宁纺集团有限责任公司 | Low-temperature scouring and bleaching agent and application thereof |
| CN105386214A (en) * | 2015-12-22 | 2016-03-09 | 孚日集团股份有限公司 | Moisture-proof and sand-proof beach towel manufacturing process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342779A (en) * | 2020-11-11 | 2021-02-09 | 河南省沈丘县三闸纺织有限公司 | Process for combining deoxidation and acidification in yarn barrel dyeing |
| CN115821568A (en) * | 2022-12-23 | 2023-03-21 | 合肥市东方美捷分子材料技术有限公司 | Flexible pretreatment process for pure cotton gauze |
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Application publication date: 20190628 |