CN105803755B - A kind of cotton fabric anhydrous pretreatment method and cotton fabric - Google Patents
A kind of cotton fabric anhydrous pretreatment method and cotton fabric Download PDFInfo
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- CN105803755B CN105803755B CN201610289314.7A CN201610289314A CN105803755B CN 105803755 B CN105803755 B CN 105803755B CN 201610289314 A CN201610289314 A CN 201610289314A CN 105803755 B CN105803755 B CN 105803755B
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- fabric
- cotton fabric
- organic solvent
- cotton
- anhydrous
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The present invention provides a kind of cotton fabric anhydrous pretreatment method and cotton fabrics.This method includes the following steps：Cotton fabric fabric is placed in organic solvent and is heated to boiling, then under fluidized state, 1 4h is handled to the cotton fabric fabric using the organic solvent, removes the impurity on the cotton fabric fabric, boiling temperature is 130 DEG C 140 DEG C, bath raio 1：(6‑20)；The organic solvent on the cotton fabric is then removed, and recycles the organic solvent, that is, completes the anhydrous pre-treatment of cotton fabric.
Description
Technical field
The invention belongs to dyeing and finishing technique fields, are related to a kind of cotton fabric anhydrous pretreatment method and cotton fabric.
Background technology
The material of pure cotton fabric is mainly made of cotton fiber, the cotton fiber in these cotton fabric fabrics without dyeing and finishing processing
Contain the natural impuritys such as pectin, wax.The presence of these impurity can cause cotton fabric color and luster to turn to be yellow, and water imbibition is very poor.Therefore, cotton
The first step of type fabric finishing processing is to carry out pre-treatment to its fabric, and the purpose of pre-treatment is that fabric is made to be damaged very little
Under conditions of, remove all kinds of impurity on fabric, make base fabric become printing and dyeing half that are pure white soft and having good wet performance into
Product, to carry out subsequent dyeing process.Pre-treatment for cotton and cotton fabric, present main technique are kiering processing,
By adding in the chemicals such as caustic soda, refining agent, by impurity such as cotton wax, the pectin on cotton fiber, high temperature removes in water, knits cotton
Object obtains good wetability and appearance, so that post-processing can be smoothed out.
Dyeing and finishing pretreatment procedure will generate more sewage, this is one of main source of dyeing and finishing wastewater.Moreover due to me
The water resource of state is extremely limited, and most area all has few water even water shortage, so a large amount of waste water resources will endanger
And the sustainable development of China's economy.At present in entire dyeing and finishing industry, using water wisely and waste water treatment have been the task of top priority,
Therefore the main direction of development of dyeing and finishing pre-treatment is that tend to few water even anhydrous.
Invention content
In view of the shortcomings that above-mentioned prior art, the purpose of the present invention is to provide a kind of cotton fabric anhydrous pretreatment method,
The pre-treating method can replace traditional kiering to handle, and can remove the impurity such as cotton wax, pectin on fabric, not only make cotton fabric
Fabric becomes pure white softness, has good wet performance, additionally it is possible to be recovered the organic solvent system of the pre-treating method and follow
Ring uses.
In order to reach aforementioned goal of the invention, the present invention provides a kind of cotton fabric anhydrous pretreatment method, including following
Step：
Cotton fabric fabric is placed in organic solvent and is heated to boiling, then under fluidized state, using described organic molten
Agent handles 1-4h to the cotton fabric fabric, removes the impurity on the cotton fabric fabric, and boiling temperature is 130 DEG C -140 DEG C,
Bath raio is 1：(6-20)；
The organic solvent on the cotton fabric is then removed, and recycles the organic solvent, that is, completes the anhydrous of cotton fabric
Pre-treatment.
In above-mentioned cotton fabric anhydrous pretreatment method, the temperature range of the system no longer increases after system boiling
Add.
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the organic solvent include amide-type organic solvent with
The mixture of acetates organic solvent；
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the amide-type organic solvent and the acetates
The volume ratio of organic solvent is (2-8)：(8-2).
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the amide-type organic solvent includes N, N- dimethyl
Formamide, DMAC N,N' dimethyl acetamide, N, N- dimethylpropionamides, N, in N- diethyl acetamides and N, N- diethyl propionamide
One or more of combinations.
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the acetates organic solvent include methyl acetate,
The combination of one or more of ethyl acetate, propyl acetate, isopropyl acetate and butyl acetate.
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the organic solvent is to the place of the cotton fabric fabric
Reason mode includes Soxhlet extraction or is directly handled in organic solvent bath.
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the impurity include cotton wax, pectin, itrogenous organic substance,
The combination of one or more of the pollutant being infected in the slurry and fabrication processes that are used in fabrication processes.
In above-mentioned cotton fabric anhydrous pretreatment method, the amide-type organic solvent is mixed with acetates organic solvent
Close object has preferable solvability to cotton wax and pectin.
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the cotton fabric fabric includes pure cotton fabric fabric.
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that the method for removing the organic solvent includes decompression and steams
It evaporates or commonly distills.
In above-mentioned cotton fabric anhydrous pretreatment method, it is preferable that returned while the vacuum distillation or common distillation
Receive the organic solvent.
In above-mentioned cotton fabric anhydrous pretreatment method, it can be removed using vacuum distillation remaining organic on cotton fabric cloth
Solvent, and the organic solvent can be recycled and reused.
The present invention also provides handle the cotton fabric obtained by above-mentioned cotton fabric anhydrous pretreatment method.
Cotton fabric anhydrous pretreatment method provided by the invention overcomes in kiering treatment process traditional at present and uses water
The problem of amount is big and seriously polluted carries out cotton fabric fabric using organic solvent bath and washes pre-treatment, remove the cotton on the fabric
The impurity such as wax, pectin belong to complete Non-aqueous processing.The processing method without sewage discharge, and the organic solvent used can recycle
And recycle, it not only increases the hydrophily of cotton fabric fabric, cotton fabric fabric is made to become pure white softness, make cotton fabric fabric
More smooth so as to following process, and technological process is simple to operate, energy-saving and emission-reduction, reduces cost, environmentally protective.
Specific embodiment
In order to which technical characteristic, purpose and the advantageous effect to the present invention are more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but it is not intended that the present invention can practical range restriction.
Embodiment 1
A kind of cotton fabric anhydrous pretreatment method is present embodiments provided, is included the following steps：
Pure cotton fabric fabric without pre-treatment is placed in the rope for filling dimethylformamide and butyl acetate mixed solution
Mixed system is formed in family name's extractor, the volume ratio of the dimethylformamide and butyl acetate is 1:1；Then by the mixture
System is warming up to boiling, and boiling temperature is 134 DEG C, and the pure cotton fabric fabric is constantly eluted, and keeps state 2h,
The pure cotton eluted is knitted fabric object to be placed in vacuum distillation apparatus, the organic solvent of cloth cover remnants is removed by vacuum distillation,
Complete the anhydrous pre-treatment of the pure cotton fabric；The organic solvent for processing the pure cotton fabric fabric is collected and is recycled.
The pure cotton fabric through pre-treatment obtained to the present embodiment is tested, and be compared with its before processing：
Pure cotton grey fabric fabric without any processing is not hydrophilic, and 5min climbs wet height as 0cm in water.By the above method
It carries out the pure cotton grey fabric fabric of anhydrous pre-treatment its hydrophilicity to be obviously improved, 5min climbs wet height and reaches a 7cm left sides in water
The right side, hydrophilicity is good, the slurry that is used in the cotton wax, pectin, itrogenous organic substance, fabrication processes on former pure cotton grey fabric fabric and
Hydrophilic substance has not obtained preferable removal to pollutant being infected in fabrication processes etc..
Embodiment 2
A kind of cotton fabric anhydrous pretreatment method is present embodiments provided, is included the following steps：
Pure cotton fabric fabric without pre-treatment is placed in and fills the anti-of dimethylformamide and butyl acetate mixed solution
It answers and mixed system is formed in device, the volume ratio of the dimethylformamide and butyl acetate is 1:1, the pure cotton fabric fabric with
The bath raio of the mixed solution is 1：20；Then the mixed system is warming up to boiling, boiling temperature is 134 DEG C, and to this
Pure cotton fabric fabric is constantly eluted, and keeps state 2h, and the pure cotton eluted is knitted fabric object is placed in vacuum distillation dress
In putting, the organic solvent by vacuum distillation removal cloth cover remnants is the anhydrous pre-treatment for completing the pure cotton fabric；It will be processed
The organic solvent of the pure cotton fabric fabric, which is collected, to be recycled.
The pure cotton fabric through pre-treatment obtained to the present embodiment is tested, and be compared with its before processing：
Pure cotton grey fabric fabric without any processing is not hydrophilic, and 5min climbs wet height as 0cm in water.By the above method
It carries out the pure cotton grey fabric fabric of anhydrous pre-treatment its hydrophilicity to be obviously improved, 5min climbs wet height and reaches 7.3cm in water
Left and right, hydrophilicity is good, the slurry used in the cotton wax, pectin, itrogenous organic substance, fabrication processes on former pure cotton grey fabric fabric
Hydrophilic substance has not obtained preferable removal with the pollutant be infected in fabrication processes etc..
By embodiment 1-2 as it can be seen that cotton fabric anhydrous pretreatment method provided by the invention overcomes kiering traditional at present
The problem of water consumption in treatment process is big and seriously polluted carries out cotton fabric fabric using organic solvent bath and washes pre-treatment,
The impurity such as cotton wax, the pectin on the fabric are removed, belong to complete Non-aqueous processing.The processing method without sewage discharge, and use
Organic solvent can be recycled and be recycled, and not only increase the hydrophily of cotton fabric fabric, cotton fabric fabric is made to become pure white
It is soft, make cotton fabric fabric more smooth so as to following process, and technological process is simple to operate, energy-saving and emission-reduction, reduction
Cost, it is environmentally protective.
Claims (8)
1. a kind of cotton fabric anhydrous pretreatment method, includes the following steps：
Cotton fabric fabric is placed in organic solvent and is heated to boiling, then under fluidized state, utilizes the organic solvent pair
The cotton fabric fabric handles 1-4h, removes the impurity on the cotton fabric fabric, and boiling temperature is 130 DEG C -140 DEG C, bath raio
It is 1：(6-20)；The organic solvent on the cotton fabric is then removed, and recycles the organic solvent, that is, completes the nothing of cotton fabric
Water pre-treatment；
The organic solvent is amide-type organic solvent and the mixture of acetates organic solvent；
The amide-type organic solvent and the volume ratio of the acetates organic solvent are (2-8)：(8-2)；
The impurity includes the slurry used in cotton wax, pectin, itrogenous organic substance, fabrication processes and the dirt being infected in fabrication processes
Contaminate the combination of one or more of object.
2. cotton fabric anhydrous pretreatment method according to claim 1, it is characterised in that：The amide-type organic solvent packet
Include N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, N, N- dimethylpropionamides, N, N- diethyl acetamides and N, N- bis-
The combination of one or more of ethyl propionamide.
3. cotton fabric anhydrous pretreatment method according to claim 1 or 2, it is characterised in that：The acetates are organic
Solvent includes the combination of one or more of methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate and butyl acetate.
4. cotton fabric anhydrous pretreatment method according to claim 1, it is characterised in that：The organic solvent is to the cotton
The processing mode of fabric blank includes Soxhlet extraction or is directly handled in organic solvent bath.
5. cotton fabric anhydrous pretreatment method according to claim 1, it is characterised in that：The cotton fabric fabric includes pure
Cotton fabric fabric.
6. cotton fabric anhydrous pretreatment method according to claim 1, it is characterised in that：Remove the side of the organic solvent
Method includes vacuum distillation or common distillation.
7. cotton fabric anhydrous pretreatment method according to claim 6, it is characterised in that：In the vacuum distillation or commonly
The organic solvent is recycled while distillation.
8. a kind of cotton fabric, it is characterised in that：Before the cotton fabric uses claim 1-7 any one of them cotton fabrics anhydrous
Processing method processing obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289314.7A CN105803755B (en) | 2016-05-03 | 2016-05-03 | A kind of cotton fabric anhydrous pretreatment method and cotton fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289314.7A CN105803755B (en) | 2016-05-03 | 2016-05-03 | A kind of cotton fabric anhydrous pretreatment method and cotton fabric |
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| Publication Number | Publication Date |
|---|---|
| CN105803755A CN105803755A (en) | 2016-07-27 |
| CN105803755B true CN105803755B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610289314.7A Active CN105803755B (en) | 2016-05-03 | 2016-05-03 | A kind of cotton fabric anhydrous pretreatment method and cotton fabric |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE325918T1 (en) * | 2001-08-15 | 2006-06-15 | Procter & Gamble | METHOD AND SYSTEMS FOR DRYING TEXTILE GOODS CONTAINING LIPOPHILIC LIQUID |
| CN103556449B (en) * | 2013-10-23 | 2015-11-18 | 武汉纺织大学 | A kind of cold pad-batch pre-treatment method for cotton textile |
| CN103938463B (en) * | 2014-04-16 | 2016-04-06 | 东华大学 | A kind of polyester-cotton fabric one one-step dyeing method of Water-free environment-friendlyurinal |
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