CN1712631A - Pre-treatment of cotton fabrics by rolling and piling up of enzyme - Google Patents
Pre-treatment of cotton fabrics by rolling and piling up of enzyme Download PDFInfo
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- CN1712631A CN1712631A CNA2005100409565A CN200510040956A CN1712631A CN 1712631 A CN1712631 A CN 1712631A CN A2005100409565 A CNA2005100409565 A CN A2005100409565A CN 200510040956 A CN200510040956 A CN 200510040956A CN 1712631 A CN1712631 A CN 1712631A
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Abstract
The invention provided a fore treatment process of the enzyme rolling pile for the fabric which belongs to the fore treatment process of the dyeing and finishing field. The process is: first to impregnate the fabric into the mixture of the alkali pectinase liquid, neutral proteinase liquid and xylanase liquid, then to keep the temperature, next to wash with the hot water (killing the enzyme) and the cool water last to blanch with the H2O2. The pectinase is produced by the Bacillus subtilis WSHB04-03. The process has many merits such as high efficiency, low work output and the energy conservation and so on.
Description
Technical field
The present invention relates to a kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process, belong to the pre-treatment process technical field of dyeing and finishing industry.
Background technology
Traditional dyeing and finishing technology need consume a large amount of water and chemical substance, not only consumption of natural resource, and generation severe contamination.The basic outlet that addresses this problem is the friendly type dyeing and finishing technology of development environment, and biotechnology particularly enzyme process technology has shown bright development prospect in recent years in this respect.
Be present in the cuticula of cotton fiber and the pectic substance in the primary cell wall, wax, protein, the ash natural impurity that grades and had a strong impact on the wettability of cotton fiber, processing such as the follow-up dyeing of COTTON FABRIC, stamp, arrangement are caused adverse effect.Be intended to improve the concise processing of cotton fabrics wettability and the hydrogen peroxide bleaching processing of raising fabric whiteness, can be follow-up dyeing, the good condition of back arrangement creation by removing impurity such as pectin, cotton wax, natural colouring matter.
For a long time, the concise soda boiling technology that always adopts of COTTON FABRIC consumes a large amount of water and alkali, and the pH value of waste water of discharging, COD value severe overweight have influenced ecological environment, and stronger alkali and high-temperature process also can be damaged fiber.Started the upsurge of biology enzyme application study on textiles abroad since the 1980s, but emphasis is to put in order behind the biology enzyme, and biology enzyme was just begun one's study in the application aspect the cotton pretreatment in nearly ten years.Last century, the nineties Denmark Novozymes Company and Osaka, Japan university developed respectively after alkaline pectase and the protopectinase, the biology enzyme pretreatment technology is developed gradually in industrial application, but also prematurity so far, and domestic still do not have be suitable for the biology enzyme that cotton pretreatment is used, do not have industrial precedent yet.
The selection of enzyme is paid attention in the research of relevant Bio-Enzyme Pretreatment of Cotton Fabric at first both at home and abroad, and single enzyme is to improving the effect of cotton fiber wettability emphatically.Began to turn to the different enzymes of research to mix the complex enzyme of back composition in recent years to improving the synergy of cotton fiber wettability, its emphasis is pectase and cellulase, or add protease, lipase, lignoenzyme, piece together with the back cotton pretreatment is had certain synergy, can remove the impurity on the cotton fiber effectively, also have a certain distance but compare with alkali treatment.Domestic photoinitiator chemical forever company had released " the kiering enzyme SKD " that is made up of polynary complex enzyme last year, Shanghai textile research institute has released " scutching cotton teacher 100 ", also there is multiple commercial complex enzyme formulation on ground such as Suzhou, Guangdong, but these products mostly are biology enzyme pieces together the product that mixes mutually with chemicals (the especially mixture of alkali), and must use (the 100%H up to 10g/L～15g/L when using
2O
2) hydrogen peroxide carry out oxygen and float processing, its alkali consumption height, the oxidation fierceness easily makes fabric impaired.In addition, although these complex enzyme kinds are a lot, on producing, applied as yet.And the alkaline pectase that Novozymes Company released also is difficult to adapt to the characteristics of China's COTTON FABRIC, also is among the application study.
Although years of researches have been carried out in the biology enzyme pre-treatment of COTTON FABRIC, but still be confined to batch (-type) processing, this does not only meet the characteristics that the cotton fabrics serialization is produced, and is difficult to utilize cotton dyeing factory to have process equipment now, thereby is subjected to very big restriction in actual production.Exploitation serialization or semicontinuous enzyme processing technology are of great practical significance.
Summary of the invention
Technical problem to be solved
Solve a kind of optimized technical problem of process conditions of cotton fabrics by rolling and piling up of enzyme pre-treatment process.
Technical scheme
A kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process, adopt semi-continuous rolling and piling enzyme concise, the pre-treatment process of hydrogen peroxide bleaching again, its technological process is: the destarch cotton fabrics pads enzyme liquid earlier, be incubated the processing of banking up again, then through hot water wash (the double enzyme that goes out), cold wash is carried out conventional hydrogen peroxide bleaching operation at last and is finished the pre-treatment processing of cotton fabrics.
(1) the woven cloth of cotton: this technology is applicable to the woven cloth of various types of cottons, as poplin cloth, plain cloth, yarn card, canvas, ply-yarn drill, khaki etc.
(2) pad enzyme liquid: the complex enzyme of selecting for use is the various combination of alkaline pectase, neutral proteinase, neutral cellulase and zytase.During enzyme handle to be bathed, or add the polyoxyethylene-type non-ionic surface active agent and/or anion surfactant is made wetting and penetrating agent, or do not add any wetting and penetrating agent; Consisting of of enzyme liquid: pectase 5-15g/L, neutral cellulase 0.1-2.0g/L, neutral proteinase 0-10g/L, zytase 0-5g/L, wetting and penetrating agent 0-2g/L; More than handling and bathing pH is 8.6-10.0; Pad enzyme treatment fluid temperature and be room temperature to 60 ℃, fabric pick-up 50%-100%; It is excellent that used alkaline pectase produces alkaline pectate lyase with Bacillus subtilis WSHB04-03 (open among the application number 200410065807.X, deposit number is CCTCC NO:M204082) especially.
(3) insulation is banked up: what the present invention adopted is that the insulation method of banking up is to utilize unsaturated steam that cotton fabrics is incubated processing, the preference temperature of enzyme effect both was provided, make processing environment keep certain humidity again, the long fabric liquid carrying rate that causes of reason temperature retention time does not descend.Holding temperature depends on the alive and heat endurance of pectase enzyme.Enzyme optimum temperature height, Heat stability is good, then treatment temperature can be high, otherwise then low.Temperature retention time is relevant with holding temperature, in general, the steam temperature height, the time can lack, and steam temperature is low, and the time should be grown.The decatize condition that the present invention adopts is: 55-65 ℃ of unsaturated steam temperature, steaming time 45-90min.
(4) hot water wash: enzyme generally carries out hot water wash earlier, 80～100 ℃ of temperature, time 5～10min after handling.Purpose is to remove impurity catabolites such as pectin on the one hand, also plays enzyme deactivation (enzyme goes out) effect simultaneously, stops enzyme to proceed catalytic action.
(5) cold wash: will fully wash behind the enzyme that goes out, can adopt cold water, further the concise middle catabolite of eccysis enzyme.
(6) conventional hydrogen peroxide bleaching: bleaching liquid is formed: 30% hydrogen peroxide 24g/L, sodium metasilicate 17g/L, nonionic or anion wetting and penetrating agent 10g/L, pH10.5-11.Pad hydrogen peroxide bleaching liquid, pick-up rate 50% is at 98 ℃ of following decatize 90min.The fully washing of bleaching back.
Beneficial effect
The present invention adopts novel pre-treatment process---the compound biological enzyme rolling and piling pre-treatment process that is different from traditional alkali refining process and enzyme batch (-type) refining process, belongs to semi continuous dyeing and finishing processing mode, realistic production requirement.The biology enzyme that is adopted is the various combination that Bacillus subtilis WSHB04-03 produces alkaline pectate lyase, neutral proteinase, neutral cellulase and zytase.Adopt cotton fabrics bioenzyme pretreatment technology treatment effect of the present invention better, the capillary effect after 105 ℃ of oven dry surpasses 〉=8.5cm/30min, and instantaneous capillary effect is 〉=2.5cm/min.In addition, technology of the present invention has also that fibre damage is little, fabric quality improves, colourity, pH value, the reduction significantly of COD value, energy savings and the production efficiency of waste water are studied the more more high advantage of the concise processing of batch (-type) enzyme more at present, is worth promoting.
The specific embodiment
The cotton fabrics by rolling and piling up of enzyme pre-treatment process is given an example:
Embodiment 1:14.5tex * 14.5tex cotton rainproof cloth
Technological process: cotton fabrics pads complex enzyme liquid after the destarch, and insulation is banked up, hot water wash (the double enzyme that goes out), cold wash, hydrogen peroxide bleaching and washing.
Wherein, the compound biological enzyme treatment fluid consists of: pectase 14g/L, neutral cellulase 0.25g/L, wetting and penetrating agent 2g/L, pH9.1 pads the biology enzyme treatment fluid, and enzyme treatment fluid temperature is a room temperature to 60 ℃, pick-up 100%, 55 ℃ of steam temperatures, steaming time 60min.Be warming up to 95～100 ℃ after the processing and handle 5min go out enzyme, fully washing.Carry out hydrogen peroxide bleaching at last and float after washing.Conditions of bleaching is: 30% hydrogen peroxide 24g/L, sodium metasilicate 17g/L, nonionic or anion wetting and penetrating agent 10g/L, pH10.5-11.Pad hydrogen peroxide bleaching liquid, pick-up rate 50% is at 98 ℃ of following decatize 90min.The fully washing of bleaching back.
Capillary effect 8.5cm/30min behind the cotton fabrics after above-mentioned processing, 105 ℃ of oven dry, instantaneous capillary effect is 2.5cm/min.That R457 whiteness value Wr floats is preceding 59.675%, float back 74.55%, warp-wise ultimate strength 649N.Dyeing K/S value (color depth value) dip-dye 18.14, pad dyeing 44.47.
Embodiment 2:14.5tex * 14.5tex cotton rainproof cloth
Technological process: cotton fabrics pads complex enzyme liquid after the destarch, and insulation is banked up, hot water wash (the double enzyme that goes out), cold wash, hydrogen peroxide bleaching and washing.
Wherein, the compound biological enzyme treatment fluid consists of: Bacillus subtilis WSHB04-03 produces alkaline pectate lyase 6g/L, neutral cellulase 1.75g/L, neutral proteinase 7g/L, wetting and penetrating agent 0g/L, pH9.1 pads the biology enzyme treatment fluid, enzyme treatment fluid temperature is a room temperature to 60 ℃, pick-up 100%, 55 ℃ of steam temperatures, steaming time 60min.Be warming up to 95～100 ℃ after the processing and handle 5min go out enzyme, fully washing.Carry out hydrogen peroxide bleaching at last and float after washing.Conditions of bleaching is: 30% hydrogen peroxide 24g/L, sodium metasilicate 17g/L, nonionic or anion wetting and penetrating agent 10g/L, pH10.5-11.Pad hydrogen peroxide bleaching liquid, pick-up rate 50% is at 98 ℃ of following decatize 90min.The fully washing of bleaching back.
Capillary effect 8.8cm/30min behind the cotton fabrics after above-mentioned processing, 105 ℃ of oven dry, instantaneous capillary effect is 2.6cm/min.That R457 whiteness value Wr floats is preceding 59.03%, float back 74.43%, warp-wise ultimate strength 648N.Dyeing K/S value (color depth value) dip-dye 18.64, pad dyeing 43.34.
Embodiment 3:14.5tex * 14.5tex cotton poplin cloth cloth
Technological process: cotton fabrics pads complex enzyme liquid after the destarch, and insulation is banked up, hot water wash (the double enzyme that goes out), cold wash, hydrogen peroxide bleaching and washing.
Wherein, the compound biological enzyme treatment fluid consists of: pectase 10g/L, neutral cellulase 1.0g/L, zytase 3.5g/L, wetting and penetrating agent 1g/L, pH9.1 pads the biology enzyme treatment fluid, and enzyme treatment fluid temperature is a room temperature to 60 ℃, pick-up 100%, 55 ℃ of steam temperatures, steaming time 60min.Be warming up to 95～100 ℃ after the processing and handle 5min go out enzyme, fully washing.Carry out hydrogen peroxide bleaching at last and float after washing.Conditions of bleaching is: 30% hydrogen peroxide 24g/L, sodium metasilicate 17g/L, nonionic or anion wetting and penetrating agent 10g/L, pH10.5-11.Pad hydrogen peroxide bleaching liquid, pick-up rate 50% is at 98 ℃ of following decatize 90min.The fully washing of bleaching back.
Capillary effect 9.0cm/30min behind the cotton fabrics after above-mentioned processing, 105 ℃ of oven dry, instantaneous capillary effect is 2.5cm/min.That R457 whiteness value Wr floats is preceding 59.18%, float back 75.39%, warp-wise ultimate strength 653N.Dyeing K/S value (color depth value) dip-dye 18.20, pad dyeing 44.53.
Claims (7)
1. a cotton fabrics by rolling and piling up of enzyme pre-treatment process is characterized in that adopting semi-continuous rolling and piling enzyme concise, again the pre-treatment process of hydrogen peroxide bleaching, technological process is that cotton fabrics pads enzyme liquid after the destarch, and insulation is banked up, hot water wash, cold wash, hydrogen peroxide bleaching and washing;
Pad enzyme liquid: the complex enzyme of selecting for use is the various combination of alkaline pectase, neutral proteinase, neutral cellulase and zytase, during enzyme is handled and is bathed, or add the polyoxyethylene-type non-ionic surface active agent and/or anion surfactant is made wetting and penetrating agent, or do not add any wetting and penetrating agent; Consisting of of enzyme liquid: pectase 5-15g/L, neutral cellulase 0.1-2.0g/L, neutral proteinase 0-10g/L, zytase 0-5g/L, wetting and penetrating agent 0-2g/L; More than handling and bathing pH is 8.6-10.0; Pad enzyme treatment fluid temperature and be room temperature to 60 ℃, fabric pick-up 50%-100%;
Insulation is banked up: carry out banking up under the decatize with unsaturated steam, condition is: 55-65 ℃ of unsaturated steam temperature, steaming time 45-90min;
Hot water wash: 80～100 ℃ of hot water wash temperature, time 5～10min has the enzyme effect of going out concurrently;
Cold wash: carry out abundant cold wash behind the enzyme that goes out;
Hydrogen peroxide bleaching: bleaching liquid is formed: 30% hydrogen peroxide 24g/L, and sodium metasilicate 17g/L, nonionic or anion wetting and penetrating agent 10g/L, pH10.5-11 pads hydrogen peroxide bleaching liquid, and pick-up rate 50% is at 98 ℃ of following decatize 90min; The fully washing of bleaching back.
2. a kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process according to claim 1 is characterized in that the cotton fabrics that is applicable to processing comprises poplin cloth, plain cloth, yarn card, canvas, ply-yarn drill or khaki lining.
3. a kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process according to claim 1 is characterized in that the pectase of selecting for use in the enzyme treatment fluid is that Bacillus subtilis WSHB04-03 produces alkaline pectate lyase.
4. a kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process according to claim 1 is characterized in that the enzyme treatment fluid adopts Bacillus subtilis WSHB04-03 to produce the complex enzyme system of alkaline pectate lyase and neutral cellulase composition.
5. a kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process according to claim 1 is characterized in that the enzyme of selecting for use in the enzyme treatment fluid is that Bacillus subtilis WSHB04-03 produces the complex enzyme system that alkaline pectate lyase, neutral cellulase and neutral proteinase are formed.
6. a kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process according to claim 1 is characterized in that the enzyme of selecting for use in the enzyme treatment fluid is that Bacillus subtilis WSHB04-03 produces the complex enzyme system that alkaline pectate lyase, neutral cellulase and zytase are formed.
7. a kind of cotton fabrics by rolling and piling up of enzyme pre-treatment process according to claim 1, it is characterized in that in the biology enzyme treatment fluid, or add the polyoxyethylene-type non-ionic surface active agent and/or anion surfactant is made wetting and penetrating agent, or do not add any wetting and penetrating agent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100409565A CN1282797C (en) | 2005-07-06 | 2005-07-06 | Pre-treatment of cotton fabrics by rolling and piling up of enzyme |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100409565A CN1282797C (en) | 2005-07-06 | 2005-07-06 | Pre-treatment of cotton fabrics by rolling and piling up of enzyme |
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| CN1282797C CN1282797C (en) | 2006-11-01 |
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| CN100424257C (en) * | 2006-10-28 | 2008-10-08 | 江南大学 | Method for desizing, boiling and bleaching cotton fabric by enzyme only |
| CN100427669C (en) * | 2006-10-28 | 2008-10-22 | 江南大学 | Pre-treating method for cotton fabric by one bath two-step enzyme method |
| CN102080331A (en) * | 2010-12-01 | 2011-06-01 | 华纺股份有限公司 | Process for pre-treating fabrics by bio-enzymatic method |
| CN102154230A (en) * | 2010-12-13 | 2011-08-17 | 上海戴迪实业发展有限公司 | Neutral low-temperature refining enzyme and use thereof in pretreatment of fabrics |
| CN102154810A (en) * | 2011-01-15 | 2011-08-17 | 江南大学 | Method for pretreating cotton fabrics by adopting glucoamylase/glucose oxidase, pectinase and CBD (cellulose-binding domain)-lignin peroxidase |
| CN102191692A (en) * | 2011-04-01 | 2011-09-21 | 东华大学 | Cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics |
| CN102220684A (en) * | 2011-05-06 | 2011-10-19 | 浙江传化股份有限公司 | Low-temperature pretreatment process of full-cotton woven fabric |
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| CN101457478B (en) * | 2009-01-08 | 2013-03-27 | 青岛蔚蓝生物集团有限公司 | Pure cotton woven fabric pectinase and hydrogen peroxide warm stack fore treatment process |
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| CN100424257C (en) * | 2006-10-28 | 2008-10-08 | 江南大学 | Method for desizing, boiling and bleaching cotton fabric by enzyme only |
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| WO2019019545A1 (en) * | 2017-07-27 | 2019-01-31 | 南通金康弘纺织品有限公司 | Cotton fiber pretreatment agent, cotton fiber production process, and product |
| CN107675511A (en) * | 2017-11-20 | 2018-02-09 | 枣庄全鼎生物科技有限公司 | A kind of composite biological enzyme preparation and its application |
| CN111364252A (en) * | 2020-04-20 | 2020-07-03 | 无锡德冠生物科技有限公司 | Low-temperature pretreatment method of composite biological enzyme of textile fabric |
| CN111364252B (en) * | 2020-04-20 | 2023-01-17 | 无锡德冠生物科技有限公司 | Low-temperature pretreatment method of composite biological enzyme of textile fabric |
| CN116377704A (en) * | 2023-03-20 | 2023-07-04 | 南通金仕达高精实业股份有限公司 | Clean energy-saving and emission-reduction pretreatment method for home textile fabric |
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