CN102888755B - Enzyme additive for cotton knitted fabric and preparation method and application thereof - Google Patents

Enzyme additive for cotton knitted fabric and preparation method and application thereof Download PDF

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Publication number
CN102888755B
CN102888755B CN201210407123.8A CN201210407123A CN102888755B CN 102888755 B CN102888755 B CN 102888755B CN 201210407123 A CN201210407123 A CN 201210407123A CN 102888755 B CN102888755 B CN 102888755B
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China
Prior art keywords
enzyme
cotton fabrics
auxiliary agent
treatment
neutral
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CN201210407123.8A
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Chinese (zh)
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CN102888755A (en
Inventor
贾佳
崔桂新
朱俊伟
李翠萍
杨国荣
姚登辉
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绍兴中纺院江南分院有限公司
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Abstract

The invention discloses an enzyme additive for a cotton knitted fabric and a preparation method and an application thereof, and belongs to the technical field of pretreatment processes and formulas in the cotton knitted fabric dyeing and finishing industry. The enzyme additive for a cotton knitted fabric is characterized by comprising the following components by weight percentage: 40-75 of neutral cellulose, 6-15 of deoxyenzyme, 7-30 of protective agent and 8-20 of enzyme activity promoter. The enzyme additive for a cotton knitted fabric is applied to the deoxidizing, polishing dyeing one-bath process of cotton knitted fabrics; and with the method, enzyme activity is kept stable, the technological steps are shortened, the energy consumption is reduced, and the waste water discharge is reduced.

Description

A kind of enzyme auxiliary agent, preparation method and application for cotton fabrics
Technical field:
The present invention relates to a kind of enzyme auxiliary agent, preparation method and application for cotton fabrics, belong to the pre-treatment process formula technique field of cotton fabrics dyeing and finishing industry.
Background technology:
Traditional cotton Dyeing & Finishing Process of Knitted Fabrics is mainly batch (-type) processing, float for boiling → biology enzyme of current work flow deoxygenation → biopolishing → dyeing → arrange afterwards.Wherein, except oxygenase is catalase, best use pH value is neutrality.Polishing often adopts acidic cellulase, the best pH value that uses is in 4.5~4.8 scope, original ph when reactive dyeing is neutral, adding pH value after soda ash fixation is 10~11, due to the difference in the requirement of pH value, deoxygenation, polishing and dyeing need to be divided bath segmentation to carry out, especially after polishing, also need to be heated to 80 DEG C or add alkali the pH value of working solution is adjusted more than 10 cellulase is carried out to " deactivation " processing, therefore need multiple tracks treatment process, water consumption is large, man-hour is long, does not meet energy-saving and emission-reduction requirement.
Application number is 20091010112364.8, and the Chinese invention patent of " for the enzyme preparation of one-bath process of deoxidizing, polishing and dyeing " by name discloses a kind of formula by forming except oxygenase, neutral cellulase, non-ionic surface active agent, Sodium Benzoate, buffer.Glossing is used neutral cellulase polishing instead, has overcome the difference on pH value requires, and makes original technique become a step from three steps, has advantages of certain.But before and after washing, technique pH value changes little, only has 0.5 difference, add buffer and not only acted on not quite, and easily made the Enrichment of sodium ion in system, according to the ratio of above-mentioned patent description, the content of its sodium ion exceedes 10%, part zymoprotein can be separated out, cause inactivation, so this formulation stability is inadequate, Sodium Benzoate just plays corrosion-resistant effect, and wanting to realize real stablizing effect also needs compound auxiliary to realize.
Summary of the invention:
The technical problem of solution required for the present invention is for cotton fabrics one-bath process of deoxidizing, polishing and dyeing, and provide a kind of cotton fabrics enzyme auxiliary agent that has deoxygenation and polishing action concurrently, and before REACTIVE DYES is dyed and in dyeing course, enzyme is lived and is kept stable, thereby processing step is shortened, reduce energy consumption, reduce sewage discharge.
To achieve the above object, a first aspect of the present invention object is to provide a kind of cotton fabrics enzyme auxiliary agent, it is characterized in that, comprises following composition by weight percentage:
Neutral cellulase 40-75%
Except oxygenase 6-15%
Protective agent 7-30%
Enzyme activity promoter 8-20%.
In above-mentioned formula:
Described neutral cellulase is made by microorganism fermentation, can under neutrallty condition, use, as the neutral cellulase product of Kang Di grace bio tech ltd, there is wide pH value (5.0-8.0) applicability, enzymatic activity in wide temperature range, excellent salt tolerance.
Described except oxygenase be to be obtained by bacterium or pluck fermenting and producing, commercially available.As the oxygenase that removes of letter (China) Bioisystech Co., Ltd of Novi.
Described enzyme activity promoter is preferably isooctanol polyoxydivinyl ether phosphate or alkyl polyoxyethylene ether etc.
Described protective agent can keep the stable in properties of enzyme, also has certain activation simultaneously.Protective agent is preferably one or more of sorbierite, potassium sorbate, sucrose, sodium chloride etc.; preferably add fashionable a certain amount of deionized water that mixes; described deionized water adds as solvent, and there is no particular restriction for its addition, can be according to the concentration free adjustment of finished product.
In described protective agent, sorbierite, sucrose and sodium chloride can make cellulase protein molecule in hydrone, easily keep its rock-steady structure, and mutability does not lose activity.
Select following protective agent composition, can obtain better cotton fabrics treatment effect:
Protective agent total content (accounting for auxiliary agent mass percent) is 7%: the deionized water that consists of 3% sorbierite, 2% potassium sorbate and 2%.
Protective agent total content is 30%: consist of 8% sorbierite, 5% potassium sorbate, 2% sucrose, 5% sodium chloride, 10% deionized water.
Protective agent total content is 20%: consist of 10% sorbierite and 5% sodium chloride, 5% deionized water.
Cotton fabrics of the present invention is as follows by the preparation method of enzyme auxiliary agent: in reactor, add successively neutral cellulase, remove oxygenase, enzyme activity promoter, protective agent; at room temperature mix; low rate mixing 30 minutes, obtains liquid cotton fabrics enzyme auxiliary agent finished product.
The present invention also provides a kind of above-mentioned cotton fabrics enzyme auxiliary agent to bathe the application in enzyme treatment process at cotton fabrics deoxidizing, polishing and dyeing one, it is characterized in that, comprise the following steps: grey cloth first passes through pre-treatment, then Warm Wash 15min at 60 DEG C, then use vinegar acid for adjusting pH value to neutral, then add 0.8g/L cotton fabrics enzyme auxiliary agent, after 55 DEG C of operation 10-15min, dye, then wash, soap, after dehydration, oven dry, obtain finished product.
The present invention compared with prior art, has following remarkable result:
1, complex enzyme of the present invention has wide pH value (5.0-8.0) applicability, in reactive dyeing is bathed, can not affect defeathering effect because of pH fluctuation, and before and after washing, pH value only has 0.5 undulating value.
2, technological process is short, is particularly suitable for cotton fabrics deoxygenation, polishing, the three-in-one technique of dyeing, and treatment effect and existing bathes enzyme preparation as compared with the Cellusoft Combi of Novozymes Company, good stability, and changes of shade is little, and polishing reappearance is good.
3, use this auxiliary agent, production cost does not increase, and in sewage disposal, has saved the part expense of disposing of sewage, so overall cost.
4, auxiliary agent of the present invention belongs to environmental protection auxiliary agent, does not contain the material of harmful environmental protection such as APEO, formaldehyde, heavy metal.
Below in conjunction with specific embodiment, the present invention is described in further detail, but the present invention is not only confined to following examples.
Detailed description of the invention:
Preparation Example,
Cotton fabrics enzyme auxiliary agent of the present invention, obtains by following formula and preparation method.
Cotton fabrics enzyme auxiliary agent formula, the raw material that comprises following percentage by weight composition:
Neutral cellulase 40-75%
Except oxygenase 6-15%
Protective agent 7-30%
Enzyme activity promoter 8-20%.
Cotton fabrics enzyme auxiliary agent preparation method, comprises the following steps:
In reactor, add successively neutral cellulase, remove oxygenase, protective agent, enzyme activity promoter, at room temperature mix low rate mixing 30 minutes, obtain liquid finished product.
According to above-mentioned Preparation Example of the present invention, regulate composition and content in formula, obtain specific embodiment as shown in table 1.
Table 1: the enzyme auxiliary agent for cotton fabrics (by weight percentage) of different compositions.
Table 1 remarks:
In embodiment 1: protective agent consists of the deionized water of 3% sorbierite, 2% potassium sorbate and 2%.
In embodiment 2: protective agent consists of 8% sorbierite, 5% potassium sorbate, 2% sucrose, 5% sodium chloride, 10% deionized water.
In embodiment 3: protective agent consists of 5% sorbierite, 8% sucrose, 5% sodium chloride and 1% deionized water.
In embodiment 4,5: protective agent consists of 5% potassium sorbate, 10% sodium chloride and 2% deionized water.
In embodiment 6: protective agent consists of 10% sorbierite, 3% sucrose and 2% deionized water.
In embodiment 7: protective agent consists of 10% sorbierite and 5% sodium chloride, 5% deionized water.
In embodiment 8: protective agent consists of 4% potassium sorbate and 10% sucrose, 11% deionized water.
Application Example: auxiliary agent of the present invention is bathed the application in enzyme treatment process at cotton fabrics deoxidizing, polishing and dyeing one.
The auxiliary agent that adopts above-described embodiment to prepare, is applied to cotton fabrics deoxidizing, polishing and dyeing one and bathes enzyme treatment process, and cotton fabrics kind is selected 21s pure cotton knitted fabric.Then bathe enzymatic process and contrast with cotton fabrics conventional treatment process, Novi's letter one.
(1) common process: (85 DEG C of grey cloth → pre-treatment → hot water wash, 20min) → cold wash → neutralization, deoxygenation are (by extremely neutrality of vinegar acid for adjusting pH value, then add 0.1g/L except oxygenase operation 15min) → acidic cellulase polishing (enzyme dosage 0.6g/L, 55 DEG C × 45min, then be warming up to more than 80 DEG C, add soda ash and regulate the above enzyme-deactivating that makes of pH value to 10) → washing, adjusting pH value → dye → wash, soap → dewater, dry.
(2) adopt one of auxiliary agent of the present invention to bathe enzymatic process: (60 DEG C of grey cloth → pre-treatment → Warm Wash, 15min) → neutralization, deoxygenation, polishing, dyeing one are bathed (extremely neutral with vinegar acid for adjusting pH value, then add 0.8g/L mono-and bathe 55 DEG C of operation 10-15min of enzyme, last normal dyeing) → wash, soap → dewater, dry.
(3) Novi's letter one is bathed enzyme: technological process is with (2).
Statistical effect:
Taking embodiment 1, embodiment 2, embodiment 7 formulas as example, bathe enzymatic process with cotton fabrics common process and Novi's letter one respectively and compare, obtain table 2, table 3, table 4.
Table 2: enzyme bathed by one of auxiliary agent of the present invention and common process, Novi's letter one are bathed enzyme deaerating effect and the comparison of defeathering effect.
Enzyme bathed by one of table 3, auxiliary agent of the present invention and common process, Novi believe that one bathes the performance comparison of the rear fabric of enzyme processing.
Table 4: enzyme bathed by one of auxiliary agent of the present invention and common process, Novi believe that one bathes the energy consumption comparison of enzymatic process.
Table 2-4 remarks:
(1) surface smoothness, pass judgment on cloth cover fine hair residual quantity:
1 grade: cloth cover fine hair is not removed completely
2 grades: cloth cover fine hair is removed on a small quantity
3 grades: cloth cover fine hair half amount is removed
4 grades: cloth cover fine hair great majority are removed
5 grades: cloth cover fine hair is removed substantially.
(2) bursting strength: measure instrument according to GB/T14800-93 standard: YG (B) the 031T type tensometer that Wenzhou Daiei Instrument Ltd. produces.Unit: newton.
(3) soaping fastness: carry out GB/T 3921-2008C standard.
(4) crock fastness: carry out GB/T 3920-2008 standard.
(5) the consumption time: refer to that deoxygenation, polishing, dyeing process (do not comprise and soaping) consume the time altogether.
(6) water consumption, power consumption are referring to process in (5).
Analyze:
Associative list 2~4 is found out, adopts one of auxiliary agent of the present invention to bathe enzyme compared with common process, Novi's letter one bath enzyme, has following obvious advantage:
1, the hydrogen peroxide removal efficiency that the present invention one bathes enzyme in 5 minutes is obviously greater than common process, is also better than Novi's letter one and bathes enzyme, and this is because auxiliary agent of the present invention can improve action effect and the effect stability except oxygenase.
2, the present invention is better than common process and Novi's letter one bath enzyme processing aspect the case depth (K/S value), strength retention of fabric.
3, adopt after auxiliary agent of the present invention; one bathes enzymatic process completes biological deoxidation, polishing and dyeing in same dye bath; with common process ratio; dye front deoxygenation, polishing one is bathed operation and has only been used 15min; add alkali deactivation nor need to heat up again; directly can dye, this also gives the credit to enzyme activity promoter and protective agent in auxiliary formula of the present invention, the best use of effect of limit performance enzyme that can be maximum.Therefore, that the present invention has is energy-saving and cost-reducing, shorten man-hour, save the features such as cost, meets the requirement of green dyeing and finishing.

Claims (3)

1. cotton fabrics is bathed the application in enzyme treatment process with enzyme auxiliary agent at cotton fabrics deoxidizing, polishing and dyeing one, it is characterized in that, described cotton fabrics comprises following composition by weight percentage with enzyme auxiliary agent:
Neutral cellulase 40-75%
Except oxygenase 6-15%
Protective agent 7-30%
Enzyme activity promoter 8-20%;
Described neutral cellulase is the neutral cellulase that Kang Di grace bio tech ltd produces;
Described enzyme activity promoter is isooctanol polyoxydivinyl ether phosphate or alkyl polyoxyethylene ether;
Described protective agent consists of sorbierite, potassium sorbate and deionized water;
Described treatment process comprises the following steps: grey cloth first passes through pre-treatment, then Warm Wash 15min at 60 DEG C, use again vinegar acid for adjusting pH value to neutral, then add 0.8g/L cotton fabrics enzyme auxiliary agent, after 55 DEG C of operation 10-15min, dye, then wash, soap, after dehydration, oven dry, obtain finished product.
2. cotton fabrics is bathed the application in enzyme treatment process with enzyme auxiliary agent at cotton fabrics deoxidizing, polishing and dyeing one, it is characterized in that, described cotton fabrics comprises following composition by weight percentage with enzyme auxiliary agent:
Neutral cellulase 40-75%
Except oxygenase 6-15%
Protective agent 7-30%
Enzyme activity promoter 8-20%;
Described neutral cellulase is the neutral cellulase that Kang Di grace bio tech ltd produces;
Described enzyme activity promoter is isooctanol polyoxydivinyl ether phosphate or alkyl polyoxyethylene ether;
Described protective agent consists of sorbierite, potassium sorbate, sucrose, sodium chloride and deionized water;
Described treatment process comprises the following steps: grey cloth first passes through pre-treatment, then Warm Wash 15min at 60 DEG C, use again vinegar acid for adjusting pH value to neutral, then add 0.8g/L cotton fabrics enzyme auxiliary agent, after 55 DEG C of operation 10-15min, dye, then wash, soap, after dehydration, oven dry, obtain finished product.
3. cotton fabrics is bathed the application in enzyme treatment process with enzyme auxiliary agent at cotton fabrics deoxidizing, polishing and dyeing one, it is characterized in that, described cotton fabrics comprises following composition by weight percentage with enzyme auxiliary agent:
Neutral cellulase 40-75%
Except oxygenase 6-15%
Protective agent 7-30%
Enzyme activity promoter 8-20%;
Described neutral cellulase is the neutral cellulase that Kang Di grace bio tech ltd produces;
Described enzyme activity promoter is isooctanol polyoxydivinyl ether phosphate or alkyl polyoxyethylene ether;
Described protective agent consists of sorbierite, sodium chloride and deionized water;
Described treatment process comprises the following steps: grey cloth first passes through pre-treatment, then Warm Wash 15min at 60 DEG C, use again vinegar acid for adjusting pH value to neutral, then add 0.8g/L cotton fabrics enzyme auxiliary agent, after 55 DEG C of operation 10-15min, dye, then wash, soap, after dehydration, oven dry, obtain finished product.
CN201210407123.8A 2012-10-24 2012-10-24 Enzyme additive for cotton knitted fabric and preparation method and application thereof CN102888755B (en)

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Families Citing this family (8)

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CN103435848B (en) * 2013-07-31 2015-06-03 绍兴中纺院江南分院有限公司 Preparation method of medical cellulose sponge
CN103669046B (en) * 2013-11-27 2015-07-22 浙江东方华强纺织印染有限公司 Synchronous dehairing and dyeing technology for polyester cotton mixed fabric
CN103669010A (en) * 2013-12-02 2014-03-26 常熟市新蕾针织有限公司 Preparation method of enzyme aid for cotton knitted fabric
CN103741492A (en) * 2013-12-04 2014-04-23 江苏双圆袋鼠服饰有限公司 Cotton knitted fabric deoxygenation polishing dyeing-enzyme bath treatment process
CN103643562B (en) * 2013-12-09 2015-12-09 上海市纺织科学研究院 Composite biological enzyme preparation for solvent method bamboo fiber fabric and application thereof
CN104652141A (en) * 2015-03-20 2015-05-27 际华三五四三针织服饰有限公司 One-bath short-process dyeing technology of cellulose fiber fabric
CN105369634A (en) * 2015-11-18 2016-03-02 德清县伊得利丝绸有限公司 Cotton and linen interwoven fabric bleaching dyeing deoxygenization process
CN105671993A (en) * 2016-01-20 2016-06-15 冠宏股份有限公司 Dyeing and finishing method of cotton knitted fabric

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CN101624775A (en) * 2009-08-14 2010-01-13 福建省晋江新德美化工有限公司 Enzyme preparation for one-bath process of deoxidizing, polishing and dyeing
CN102587121A (en) * 2012-02-09 2012-07-18 武汉新华扬生物股份有限公司 Solid low-temperature pretreatment compound preparation
CN102605604A (en) * 2012-03-13 2012-07-25 无锡德冠生物科技有限公司 Enzyme preparation for deoxidizing, polishing and dyeing one-bath method and application of enzyme preparation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101624775A (en) * 2009-08-14 2010-01-13 福建省晋江新德美化工有限公司 Enzyme preparation for one-bath process of deoxidizing, polishing and dyeing
CN102587121A (en) * 2012-02-09 2012-07-18 武汉新华扬生物股份有限公司 Solid low-temperature pretreatment compound preparation
CN102605604A (en) * 2012-03-13 2012-07-25 无锡德冠生物科技有限公司 Enzyme preparation for deoxidizing, polishing and dyeing one-bath method and application of enzyme preparation

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