CN104179022A - Pure-cotton fabric biological enzyme scouring and bleaching one-bath process - Google Patents
Pure-cotton fabric biological enzyme scouring and bleaching one-bath process Download PDFInfo
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- CN104179022A CN104179022A CN201410457036.2A CN201410457036A CN104179022A CN 104179022 A CN104179022 A CN 104179022A CN 201410457036 A CN201410457036 A CN 201410457036A CN 104179022 A CN104179022 A CN 104179022A
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Abstract
The invention discloses a pure-cotton fabric biological enzyme scouring and blenching one-bath process. The process comprises the following steps: preprocessing a piece of gray fabric in a heater, then scouring and bleaching the gray fabric in an enzyme oxygen scouring and bleaching solution, neutralizing and washing the gray fabric by utilizing organic acid, washing the gray fabric by utilizing cold water, dewatering the fabric, and drying the fabric by utilizing a drying machine. The capillary effect, whiteness and color yield of a pretreatment semi-finished product are better than those of a traditional alkaline agent scouring and bleaching process; by adopting the low-bath-ratio process technology, the consumption of water, electricity and vapor can be effectively reduced, and the discharge of waste water can be reduced; by adopting the bio-degradation technology, the damage of chemical assistants such as caustic soda, a penetrating agent, hydrogen peroxide stabilizer, a chelating dispersion agent used in the traditional high-temperature alkaline scouring process to cloth can be avoided, a great amount of hot water in the later washing step is not needed, and only the biological enzyme is used for neutralizing washing; the biological enzyme is toxic-free and easy to biologically degrade, so that the comprehensive benefit is obvious.
Description
Technical field
The present invention relates to a kind of pure cotton knitted fabric pre-treatment process, specifically a kind of bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique.
Background technology
From technological process, two step process technology are floated in traditional boiling, although the impurity-eliminating effect of COTTON FABRIC is good, capillary effect good, and long flow path, energy consumption is high, and fabric feeling is poor, and strength loss is large, and efficiency is minimum; And traditional soda boiling one bath process, although effectively shortened technological process, because the main still high temperature highly basic adopting boils the chemical scheme of floating, the washing of rear road also needs to use a large amount of hot water cleans, and energy consumption is high, and blowdown flow rate is large; From technical recipe, traditional soda boiling-oxygen floats two-step process, with alkali-oxygen one bath boiling and bleaching process, what adopt is all chemical methodes of high temperature highly basic, need to use the chemical substances such as a large amount of alkaline agents, concise bleeding agent, hydrogen peroxide stabilizer, chelated dispersants, hydrogen peroxide, these chemical substances, by producing a large amount of sewage discharges, increase the series of problems such as sewage disposal difficulty, expense; And the bath raio that two-step process technology and traditional soda boiling one bath process are floated in traditional boiling is 1:10, water, electricity, vapour consumption are larger, and waste discharge amount is more.
Summary of the invention
The object of the present invention is to provide the bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique that a kind of suitability is wide, cost performance is excellent, economic benefit is high, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique, comprise following operating procedure: (1) takes the clean cotton enzyme of 4.0～5.0g and for the enzyme oxygen of 10-10.5 boils, floats solution, the urea of 30% hydrogen peroxide of 10～20mL, 10～20g is made pH value, take pure cotton knitted fabric grey cloth, and pure cotton knitted fabric grey cloth and enzyme oxygen to boil the bath raio of floating solution be 1:8; (2) heater of pure cotton knitted fabric grey cloth being put into 89～91 ℃ carries out preliminary treatment, heating 9～11min; (3) pretreated pure cotton knitted fabric grey cloth is put into enzyme oxygen and boiled and float solution, in temperature is the heater of 89～91 ℃, boils and float 70～80min; (4) by boiling pure cotton knitted fabric after floating, to put into temperature be that the organic acid of 48～52 ℃ neutralizes washing 8～12min; (5) pure cotton knitted fabric after neutralization washing is put into after cold water is washed 8～12min and dewatered; (6) pure cotton knitted fabric of dehydration being put into the dryer of 104～106 ℃ dries.
As the further scheme of the present invention: the complex enzyme that described clean cotton enzyme is kiering enzyme, cutinase, cellulase and pectase.
Compared with prior art, the invention has the beneficial effects as follows:
Capillary effect, whiteness and the tinctorial yield of bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique pre-treatment semi-products are all better than traditional alkaline agent boiling and bleaching process, and technique of the present invention is simple, owing to having shortened technological process, and adopt low bath raio technology, can effectively reduce water, electricity, vapour energy consumption, reduce the discharge of waste water, what the present invention adopted is biodegradation technique, the caustic soda of having avoided conventional high-temperature soda boiling to use, bleeding agent, hydrogen peroxide stabilizer, the chemical assistants such as chelated dispersants, after in road washing step without using a large amount of hot water to clean, only need to use in biology enzyme and washing, can greatly reduce the discharge of alkaline water, reduced the cost of sewage disposal, comprehensive benefit is obvious, while biology enzyme avirulence, be easy to biodegradation, so widely popularize biology enzyme in the application of China's Dyeing-finishing Industry, meet industrial policy, be conducive to the sustainable development of China's dyeing industry, there are wide market prospects.
The specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Temperature, time, concentration, catalyst have very large impact in bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique:
1. the impact of temperature on enzyme oxygen single bath process technique: the whiteness of fabric increases along with the rising of temperature, after temperature surpasses 90 ℃, the whiteness increase of fabric is very little, along with temperature raises, the capillary effect of fabric constantly increases, after temperature surpasses 90 ℃, continue to heat up very little to the raising of wool effect of the fabric, in sum, selecting temperature to be 90 ℃ is preferably, in Table 1.
Table 1: the impact for the treatment of temperature on cotton pretreatment effect
| Treatment temperature/℃ | 60 | 70 | 80 | 90 | 100 |
| Whiteness/% | 76.7 | 78.9 | 81.1 | 84.3 | 84.6 |
| Capillary effect/cm | 3 | 3.5 | 6.3 | 13 | 14.4 |
2. the impact of time on enzyme oxygen single bath process technique: the whiteness of fabric and capillary effect are along with the processing time increases and increases, when the time is during at 75min, the whiteness of fabric and capillary effect are respectively 85.7% and 14.4cm, reached goodish effect, when the time, surpass after 75min, the whiteness of fabric and capillary effect change very little, therefore, choosing the processing time is that 75min is preferably, in Table 2.
Table 2: the impact of processing time on cotton pretreatment
| Processing time/min | 30 | 45 | 60 | 75 | 90 |
| Whiteness/% | 81.3 | 82.5 | 83.7 | 85.7 | 86.1 |
| Capillary effect/cm | 5.4 | 9.2 | 14.6 | 14.4 | 14.9 |
3. the impact of enzyme dosage on enzyme oxygen single bath process technique: when clean cotton enzyme dosage is during at 1～5g/L, along with the increase of clean cotton enzyme dosage, the whiteness of fabric improves constantly, when clean cotton enzyme dosage surpasses 4g/L, the whiteness of fabric improves very little, when clean cotton enzyme dosage is during at 1～2g/L, the capillary effect of fabric is very low, when clean cotton enzyme dosage surpasses 3g/L, the capillary effect of fabric all can reach the requirement of pre-treatment, in sum, choosing clean cotton enzyme dosage 4g/L is preferably, in Table 3.
Table 3: the impact of clean cotton enzyme dosage on cotton pretreatment effect
| Clean cotton cruel enzyme dosage g/L | 1 | 2 | 3 | 4 | 5 |
| Whiteness % | 80 | 81.4 | 82.3 | 84.1 | 84.3 |
| Capillary effect/cm | 1.2 | 2.7 | 8.1 | 8.8 | 9.6 |
4. the impact of urea on enzyme oxygen single bath process technique: urea has certain stabilization and activation to hydrogen peroxide, by adding amount of urea in various degree, the relatively impact on cotton pretreatment effect.Adding urea all has raising in various degree to the whiteness of fabric, capillary effect and brute force, and when amount of urea reaches after 15g/L, the performance change of fabric is very little, is preferably, in Table 4 therefore the effect consumption of urea is elected 15g/L as.
Table 4: the impact of urea on cotton pretreatment effect
| Amount of urea g/L | 0 | 7.5 | 15 | 20 |
| Whiteness/% | 86.15 | 86.5 | 87 | 87.6 |
| Capillary effect/cm | 8.75 | 10.5 | 12.8 | 14.01 |
| Brute force/N | 465.2 | 466 | 468.5 | 469 |
The impact of 5.TAED catalyst on enzyme preparation effect:
TAED catalyst carries out to pure cotton knitted fabric that enzyme is concise can effectively improve non-cellulosic impurity in COTTON FABRIC, more conventional enzyme is concise has improved 25.13%, hydrogen peroxide is applied to the concise and bleaching of the enzyme of COTTON FABRIC, wherein the clearance of wax, pectic substance and cotton seed hulls is respectively 92.27%, 87.35% and 88.06%, suitable with corresponding 95.66%, 89.57% and 90.33% removal effect after alkaline scouring and tradition bleaching.
Embodiment 1
A kind of bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique, comprise following operating procedure: (1) takes the complex enzyme of 4.0g kiering enzyme, cutinase, cellulase and pectase, the urea of 30% hydrogen peroxide of 10mL, 10g is made pH value is that 10 enzyme oxygen boils and floats solution, take pure cotton knitted fabric grey cloth, and pure cotton knitted fabric grey cloth and enzyme oxygen to boil the bath raio of floating solution be 1:8; (2) heater of pure cotton knitted fabric grey cloth being put into 89 ℃ carries out preliminary treatment, heating 9min; (3) pretreated pure cotton knitted fabric grey cloth is put into enzyme oxygen and boiled and float solution, in temperature is the heater of 89 ℃, boils and float 70min; (4) by boiling pure cotton knitted fabric after floating, to put into temperature be that the organic acid of 48 ℃ neutralizes washing 82min; (5) pure cotton knitted fabric after neutralization washing is put into after cold water is washed 8min and dewatered; (6) pure cotton knitted fabric of dehydration being put into the dryer of 104 ℃ dries.
Embodiment 2
A kind of bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique, comprise following operating procedure: (1) takes the complex enzyme of 4.5g kiering enzyme, cutinase, cellulase and pectase, the urea of 30% hydrogen peroxide of 15mL, 15g is made pH value is that 10.2 enzyme oxygen boils and floats solution, take pure cotton knitted fabric grey cloth, and pure cotton knitted fabric grey cloth and enzyme oxygen to boil the bath raio of floating solution be 1:8; (2) heater of pure cotton knitted fabric grey cloth being put into 90 ℃ carries out preliminary treatment, heating 10min; (3) pretreated pure cotton knitted fabric grey cloth is put into enzyme oxygen and boiled and float solution, in temperature is the heater of 90 ℃, boils and float 75min; (4) by boiling pure cotton knitted fabric after floating, to put into temperature be that the organic acid of 50 ℃ neutralizes washing 10min; (5) pure cotton knitted fabric after neutralization washing is put into after cold water is washed 10min and dewatered; (6) pure cotton knitted fabric of dehydration being put into the dryer of 105 ℃ dries.
Embodiment 3
A kind of bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique, comprise following operating procedure: (1) takes the complex enzyme of 5.0g kiering enzyme, cutinase, cellulase and pectase, the urea of 30% hydrogen peroxide of 20mL, 20g is made pH value is that 10.5 enzyme oxygen boils and floats solution, take pure cotton knitted fabric grey cloth, and pure cotton knitted fabric grey cloth and enzyme oxygen to boil the bath raio of floating solution be 1:8; (2) heater of pure cotton knitted fabric grey cloth being put into 91 ℃ carries out preliminary treatment, heating 11min; (3) pretreated pure cotton knitted fabric grey cloth is put into enzyme oxygen and boiled and float solution, in temperature is the heater of 91 ℃, boils and float 80min; (4) by boiling pure cotton knitted fabric after floating, to put into temperature be that the organic acid of 52 ℃ neutralizes washing 12min; (5) pure cotton knitted fabric after neutralization washing is put into after cold water is washed 12min and dewatered; (6) pure cotton knitted fabric of dehydration being put into the dryer of 106 ℃ dries.
Capillary effect, whiteness and the tinctorial yield of bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique pre-treatment semi-products are all better than traditional alkaline agent boiling and bleaching process, and technique of the present invention is simple, owing to having shortened technological process, and adopt low bath raio technology, can save a large amount of water, electricity, vapour, reduce the discharge of waste water, what the present invention adopted is biodegradation technique, the caustic soda of having avoided conventional high-temperature soda boiling to use, bleeding agent, hydrogen peroxide stabilizer, the chemical assistants such as chelated dispersants, after in road washing step without using a large amount of hot water to clean, only need to use in biology enzyme and washing, can greatly reduce the discharge of alkaline water, reduced the cost of sewage disposal, comprehensive benefit is obvious, while biology enzyme avirulence, be easy to biodegradation, so widely popularize biology enzyme in the application of China's Dyeing-finishing Industry, meet industrial policy, be conducive to the sustainable development of China's dyeing industry, there are wide market prospects.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (2)
1. a bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique, it is characterized in that, comprise following operating procedure: (1) takes the clean cotton enzyme of 4.0～5.0g and for the enzyme oxygen of 10-10.5 boils, floats solution, the urea of 30% hydrogen peroxide of 10～20mL, 10～20g is made pH value, take pure cotton knitted fabric grey cloth, and pure cotton knitted fabric grey cloth and enzyme oxygen to boil the bath raio of floating solution be 1:8; (2) heater of pure cotton knitted fabric grey cloth being put into 89～91 ℃ carries out preliminary treatment, heating 9～11min; (3) pretreated pure cotton knitted fabric grey cloth is put into enzyme oxygen and boiled and float solution, in temperature is the heater of 89～91 ℃, boils and float 70～80min; (4) by boiling pure cotton knitted fabric after floating, to put into temperature be that the organic acid of 48～52 ℃ neutralizes washing 8～12min; (5) pure cotton knitted fabric after neutralization washing is put into after cold water is washed 8～12min and dewatered; (6) pure cotton knitted fabric of dehydration being put into the dryer of 104～106 ℃ dries.
2. bio-enzyme of pure cotton knitted fabrics boiling, bleaching-bathing technique according to claim 1, is characterized in that, the complex enzyme that described clean cotton enzyme is kiering enzyme, cutinase, cellulase and pectase.
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Cited By (10)
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| CN104799458A (en) * | 2015-03-23 | 2015-07-29 | 圣华盾服饰有限公司 | Production method of permanent ultraviolet protecting, moisture absorbing and sweat removing fabric |
| CN105735014A (en) * | 2016-04-01 | 2016-07-06 | 太仓市锦达印染有限公司 | Dyeing and finishing process of PLA fiber/pearl fiber blended fabric |
| CN106012549A (en) * | 2016-05-28 | 2016-10-12 | 湖南细心信息科技有限公司 | Method for processing cotton embroidery threads before dyeing |
| CN106917294A (en) * | 2017-03-17 | 2017-07-04 | 维信（内蒙古）针织高科技有限公司 | A kind of cotton and the pre-treating method of polyester cotton |
| CN107604509A (en) * | 2017-09-29 | 2018-01-19 | 南通海汇科技发展有限公司 | Cotton and cotton core-spun yarn interwoven latitude bullet adhesive lining and its production method |
| CN109023915A (en) * | 2018-06-11 | 2018-12-18 | 如皋市协和印染有限公司 | A kind of cotton, people's cotton satin drill stretch fabric pre-treating technology |
| CN109736069A (en) * | 2018-12-25 | 2019-05-10 | 潍坊苏瑞新材料科技有限公司 | A kind of no pollution to the environment has the net cotton liquid of the net cotton function of degreasing |
| CN110306346A (en) * | 2019-07-10 | 2019-10-08 | 广东湛丰精细化工有限公司 | A kind of refining dye enzyme and preparation method thereof promoting the anti-fuzz balls performance of cotton knitwear |
| WO2019210527A1 (en) * | 2018-05-03 | 2019-11-07 | 南通市苏中纺织有限公司 | Matte production processing method for cotton fabric textile |
| CN111979778A (en) * | 2020-08-24 | 2020-11-24 | 清远瑞华助剂有限公司 | Environment-friendly bleaching agent |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799458A (en) * | 2015-03-23 | 2015-07-29 | 圣华盾服饰有限公司 | Production method of permanent ultraviolet protecting, moisture absorbing and sweat removing fabric |
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| CN107604509A (en) * | 2017-09-29 | 2018-01-19 | 南通海汇科技发展有限公司 | Cotton and cotton core-spun yarn interwoven latitude bullet adhesive lining and its production method |
| WO2019210527A1 (en) * | 2018-05-03 | 2019-11-07 | 南通市苏中纺织有限公司 | Matte production processing method for cotton fabric textile |
| CN109023915A (en) * | 2018-06-11 | 2018-12-18 | 如皋市协和印染有限公司 | A kind of cotton, people's cotton satin drill stretch fabric pre-treating technology |
| CN109736069A (en) * | 2018-12-25 | 2019-05-10 | 潍坊苏瑞新材料科技有限公司 | A kind of no pollution to the environment has the net cotton liquid of the net cotton function of degreasing |
| CN110306346A (en) * | 2019-07-10 | 2019-10-08 | 广东湛丰精细化工有限公司 | A kind of refining dye enzyme and preparation method thereof promoting the anti-fuzz balls performance of cotton knitwear |
| CN111979778A (en) * | 2020-08-24 | 2020-11-24 | 清远瑞华助剂有限公司 | Environment-friendly bleaching agent |
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