CN109355893A - A kind of environmentally friendly degreasing method for bleaching of cotton products - Google Patents
A kind of environmentally friendly degreasing method for bleaching of cotton products Download PDFInfo
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- CN109355893A CN109355893A CN201811057709.XA CN201811057709A CN109355893A CN 109355893 A CN109355893 A CN 109355893A CN 201811057709 A CN201811057709 A CN 201811057709A CN 109355893 A CN109355893 A CN 109355893A
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- cotton
- bleaching
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- cotton products
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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
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
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- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of environmentally friendly degreasing method for bleaching of cotton products, the specific steps are as follows: step 1 boil to cotton products the pre-treatment of drift process, and such as the processing of cotton cotton carding, cotton yarn turns over yarn processing etc.；Water will be added in step 2 in cotton products, water absorbing agent 306 and bleaching agent 308 are then added thereto, stirs evenly and heats up and is kept for 30-60 minutes；Step 3 washes the product of step 2 using hot water.Method and process step of the invention is simple, only needs a step that degreasing and bleaching to cotton products can be realized, shortens process；Only need to 95-98 degrees Celsius progress 30-60 minutes, substantially reduce the time, reduce the gentle dosage of water resource, electric energy, achieve the effect that energy-saving and emission-reduction, the chemical assistant being harmful to the human body without using alkali, secondary chlorine, hydrogen peroxide etc., meet environmental requirement, obtained product is all better than conventionally produced product in feel, strength, whiteness, water imbibition, has a extensive future.
Description
Technical field
The present invention relates to degreasing bleaching field, the environmentally friendly degreasing method for bleaching of specifically a kind of cotton products.
Background technique
What existing absorbent cotton manufacturing enterprise used is still the traditional cotton degreasing method for bleaching of comparison, need by cotton carding,
The process of degreasing, chlorine drift, oxygen bleaching and wash water needs to add 8 tons of water, adds 65 kilograms of degreasing agent, liquid alkaline (quality for 1.1 tons of cottons
Score is 30%) 30 kilograms, and 90-95 degrees Celsius of recirculated water impregnates 8 hours；Add 8 tons of normal-temperature water after draining, adds time 360 kilograms of chlorine-
400 kilograms, the bleaching of normal temperature circulation water is discharged water after impregnating 6 hours；Again plus 90-95 degrees Celsius of 8 side of water, add hydrogen peroxide 200
Kilogram, recirculated water bleaching is impregnated 4 hours, that is, that completes traditional cotton boils drift process.Above-mentioned operation is big in boiling-off and bleaching process
Amount causes degreasing bleached cotton product that can contain using the chemical assistant of the being irritating to the skin property harmful substances such as alkali, secondary chlorine, hydrogen peroxide
Harmful chemicals auxiliary agent residual, and degreasing bleaching will be completed step by step, the production time is long, and energy consumption is high, serious to water pollution.
Summary of the invention
The purpose of the present invention is to provide a kind of environmentally friendly degreasing method for bleaching of cotton products, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of environmentally friendly degreasing method for bleaching of cotton products, the specific steps are as follows:
Step 1 boil to cotton products the pre-treatment of drift process, such as the processing of cotton cotton carding, cotton yarn winder (turning over yarn) processing etc.；
Water will be added in step 2 in cotton products, water absorbing agent 306 and bleaching agent 308 are then added thereto, stirs evenly and rises
Temperature is kept for 30-60 minutes；
Step 3 washes the product of step 2 using hot water.
As a further solution of the present invention: cotton products include but is not limited to cotton, cotton yarn, cotton and pure cotton clothing.
As a further solution of the present invention: the mass ratio of cotton products and water is 1:10 in step 2.
As a further solution of the present invention: the dosage of water absorbing agent 306 is the 1-2% of cotton products quality, bleaching agent 308
Dosage is the 3-8% of cotton products quality.
As a further solution of the present invention: the temperature to heat up in step 2 is 95-98 degrees Celsius.
Compared with prior art, the beneficial effects of the present invention are: method and process step of the invention is simple, only one step of need is
The degreasing and bleaching to cotton products can be achieved, shorten process；Only need to 95-98 degrees Celsius progress 30-60 minutes, greatly shorten
Time, reduces the gentle dosage of water resource, electric energy, achieve the effect that energy-saving and emission-reduction, without using alkali, secondary chlorine, hydrogen peroxide
Etc. the chemical assistant being harmful to the human body, meet environmental requirement, obtained product is all better than biography in feel, strength, whiteness, water imbibition
The product of technique of uniting production, has a extensive future.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of environmentally friendly degreasing method for bleaching of cotton, the specific steps are as follows:
Step 1 carries out cotton carding processing to cotton；
The water of 10 times of its weight will be added in step 2 in cotton, water absorbing agent 306 and bleaching agent 308, water suction are then added thereto
The dosage of agent 306 is the 2% of cotton quality, and the dosage of bleaching agent 308 is the 6% of cotton quality, stirs evenly and is warming up to 95
Degree Celsius and keep 30 minutes；
Step 3 washes the product of step 2 using hot water.
Embodiment 2
A kind of environmentally friendly degreasing method for bleaching of cotton yarn, the specific steps are as follows:
Step 1 carries out winder (turning over yarn) processing to cotton yarn；
The water of 10 times of its weight will be added in step 2 in cotton yarn, water absorbing agent 306 and bleaching agent 308, water suction are then added thereto
The dosage of agent 306 is the 1% of cotton yarn quality, and the dosage of bleaching agent 308 is the 3% of cotton yarn quality, stirs evenly and is warming up to 98
Degree Celsius keep 50 minutes；
Step 3 washes the product of step 2 using hot water.
Embodiment 3
A kind of environmentally friendly degreasing method for bleaching being knitted cotton, the specific steps are as follows:
The knitting cotton for needing degreasing to bleach is ready to by step 1；
Step 2 will be knitted the water that 8 times of its weight is added in cotton, water absorbing agent 306 and bleaching agent 308 be then added thereto,
The dosage of water absorbing agent 306 is the 1.2% of knitted cotton cloth quality, and the dosage of bleaching agent 308 is the 4.6% of knitted cotton cloth quality, stirring
Uniformly, 96 degrees Celsius are warming up to and is kept for 50 minutes；
Step 3 washes the product of step 2 using hot water.
Embodiment 4
A kind of environmentally friendly degreasing method for bleaching of pure cotton clothing, the specific steps are as follows:
Step 1 stretchs out pure cotton clothing, cuts long the end of a thread；
The water of 9 times of its weight will be added in step 2 in pure cotton clothing, water absorbing agent 306 and bleaching agent 308 are then added thereto,
The dosage of water absorbing agent 306 is the 1.6% of pure cotton clothing quality, and the dosage of bleaching agent 308 is the 6.9% of pure cotton clothing quality, stirring
Uniformly, 98 degrees Celsius are warming up to and is kept for 45 minutes；
Step 3 washes the product of step 2 using hot water
The working principle of the invention is: water absorbing agent 306 is the multienzyme preparation of alkaline pectase, zytase and polyphenol oxidase,
The high-tech green product that biological enzyme technology is combined with chemicals, be mainly used in cellulose fibre and its it is blended and
Interweave woven and looped fabric hydrophilic finiss.Water absorbing agent 306 makes cotton products good hygroscopicity, and capillary effect obviously increases；Do not damage fibre
Dimension, does not influence fiber strength, and cotton products weightlessness reduces；Good level-dyeing property, tinctorial yield improve, and dyeing defect rate declines to a great extent, and can save
Save dyestuff；Environmental protection and be free of APEO, free formaldehyde and polymerization formaldehyde, in acidity.
Bleaching agent 308 is to meet environmental requirement using natural mineral as the product of raw material；It is preferred that sodium carbonate peroxide, is not required to make
With a large amount of alkali, hydrogen peroxide and other chemical agents, whiteness needed for cotton products can be made to reach traditional handicraft pre-treatment and capillary effect；
It is good to the impurity dispersion force of pollution cotton, it prevents dyeing fine wrinkle, it is soft to assign dyed fabric；Weightlessness is dropped than common process
Low 8%, intensity is greater than common process 10%；The gentle resource of water, electricity is saved, the discharge of a large amount of chemical agent waste water is reduced；Bleaching
Agent 308 is soluble, can dissolve with the water of any ratio, is suitable for any charging system, and COD of sewage index reduces by 30% or more.
Using method of the invention, have the advantages that
First, product is more environmentally friendly: the new degreasing method for bleaching of cotton products carries out degreasing bleaching using water absorbing agent 306 and bleaching agent 308,
The chemical assistant that alkali used in traditional degreasing method for bleaching, secondary chlorine, hydrogen peroxide etc. are harmful to the human body is discarded；
Second, process is shorter: method of the invention only need a step can degreasing bleaching complete together, and traditional degreasing drift
Best temperature is less than 35 degrees Celsius in whitening method, during dimension chlorine bleaching just will not cause to damage to cotton fiber, and degreasing
Really need high temperature, so to divide three steps that could complete degreasing bleaching process, use the boiling-off degreasing of alkali high temperature before this, then with time chlorine into
The bleaching of row room temperature, finally carries out dechlorination bleaching with hydrogen peroxide again, could complete traditional degreasing bleaching process three times；
Third, the production time is shorter, and production efficiency improves: one step of method of the invention is completed, and is only needed 30-60 minutes, and medical
It is completed with absorbent cotton degreasing bleaching three steps of conventional method point, degreasing bleaching needed for more than ten a hours；
4th, energy conservation, emission reduction: method production of the invention needs 95-98 degrees Celsius, 30-60 minute, traditional handicraft alkali degreasing and pair
90-95 degrees Celsius is needed in oxygen water dechlorination bleaching process, totally 10 hours or more；One step of method of the invention completes degreasing bleaching,
The step of having saved 2/3 than tradition, in the case where not considering reuse, new method water and draining compare tradition and have all saved 2/3；
5th, do not damage cotton fiber: the product feel after conventional method degreasing bleaching, strength etc. all decreased significantly；This hair
Bright method does not damage cotton fiber, and the product after degreasing bleaching is all better than traditional work in feel, strength, whiteness, water imbibition
The product of skill production.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of environmentally friendly degreasing method for bleaching of cotton products, which is characterized in that specific step is as follows:
Step 1 boil to cotton products the pre-treatment of drift process；
Water will be added in step 2 in cotton products, water absorbing agent 306 and bleaching agent 308 are then added thereto, stirs evenly and rises
Temperature is kept for 30-60 minutes；
Step 3 washes the product of step 2 using hot water.
2. the environmentally friendly degreasing method for bleaching of cotton products according to claim 1, which is characterized in that the cotton products include but
It is not limited to cotton, cotton yarn, cotton and pure cotton clothing.
3. the environmentally friendly degreasing method for bleaching of cotton products according to claim 1, which is characterized in that cotton system in the step 2
The mass ratio of product and water is 1:10.
4. the environmentally friendly degreasing method for bleaching of cotton products according to claim 1, which is characterized in that the water absorbing agent 306
Dosage is the 1-2% of cotton products quality, and the dosage of bleaching agent 308 is the 3-8% of cotton products quality.
5. the environmentally friendly degreasing method for bleaching of cotton products according to claim 1, which is characterized in that heat up in the step 2
Temperature be 95-98 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057709.XA CN109355893A (en) | 2018-09-11 | 2018-09-11 | A kind of environmentally friendly degreasing method for bleaching of cotton products |
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| CN201811057709.XA CN109355893A (en) | 2018-09-11 | 2018-09-11 | A kind of environmentally friendly degreasing method for bleaching of cotton products |
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| CN109355893A true CN109355893A (en) | 2019-02-19 |
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| CN201811057709.XA Pending CN109355893A (en) | 2018-09-11 | 2018-09-11 | A kind of environmentally friendly degreasing method for bleaching of cotton products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239901A (en) * | 2020-10-27 | 2021-01-19 | 金荣炳 | Production device of medical absorbent cotton |
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| CN1337488A (en) * | 2000-08-11 | 2002-02-27 | 青岛大学 | Pretreating biological enzyme process for natural cellulosic fibre |
| CN103243539A (en) * | 2013-05-25 | 2013-08-14 | 上海秋橙新材料科技有限公司 | Bio-enzyme pretreatment method of pure cotton fabric |
| CN103243541A (en) * | 2013-05-25 | 2013-08-14 | 上海秋橙新材料科技有限公司 | Bio-enzyme pretreatment method of brocaded silk fabric |
| CN103374823A (en) * | 2012-04-28 | 2013-10-30 | 上海韬鸿化工科技有限公司 | Cotton fabric bio-enzyme and method for performing co-bath scouring and bleaching on cotton fabric |
| CN103541081A (en) * | 2013-11-01 | 2014-01-29 | 百隆东方股份有限公司 | Producing method of heterochromatic polyester cotton melange yarn |
| CN106149384A (en) * | 2016-07-21 | 2016-11-23 | 东莞德永佳纺织制衣有限公司 | A kind of dyeing and finishing method of cotton fabrics |
-
2018
- 2018-09-11 CN CN201811057709.XA patent/CN109355893A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1337488A (en) * | 2000-08-11 | 2002-02-27 | 青岛大学 | Pretreating biological enzyme process for natural cellulosic fibre |
| CN103374823A (en) * | 2012-04-28 | 2013-10-30 | 上海韬鸿化工科技有限公司 | Cotton fabric bio-enzyme and method for performing co-bath scouring and bleaching on cotton fabric |
| CN103243539A (en) * | 2013-05-25 | 2013-08-14 | 上海秋橙新材料科技有限公司 | Bio-enzyme pretreatment method of pure cotton fabric |
| CN103243541A (en) * | 2013-05-25 | 2013-08-14 | 上海秋橙新材料科技有限公司 | Bio-enzyme pretreatment method of brocaded silk fabric |
| CN103541081A (en) * | 2013-11-01 | 2014-01-29 | 百隆东方股份有限公司 | Producing method of heterochromatic polyester cotton melange yarn |
| CN106149384A (en) * | 2016-07-21 | 2016-11-23 | 东莞德永佳纺织制衣有限公司 | A kind of dyeing and finishing method of cotton fabrics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239901A (en) * | 2020-10-27 | 2021-01-19 | 金荣炳 | Production device of medical absorbent cotton |
| CN112239901B (en) * | 2020-10-27 | 2021-08-27 | 王子乐 | Production device of medical absorbent cotton |
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Application publication date: 20190219 |
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