CN101555664A - Method for increasing cellulose enzyme activity in processing ramie fabrics - Google Patents
Method for increasing cellulose enzyme activity in processing ramie fabrics Download PDFInfo
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- CN101555664A CN101555664A CNA2009101038895A CN200910103889A CN101555664A CN 101555664 A CN101555664 A CN 101555664A CN A2009101038895 A CNA2009101038895 A CN A2009101038895A CN 200910103889 A CN200910103889 A CN 200910103889A CN 101555664 A CN101555664 A CN 101555664A
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Abstract
The invention discloses a method for increasing cellulose enzyme activity in processing ramie fabrics, which is realized after a series of processes, including ramie fabrics desizing, enzyme treatment, enzyme inactivation, scrubbing and so on. The invention can effectively increase the reduction rate of ramie fabrics, save enzymes and reduce the strength and the stiffness of ramie fabrics, so as to realize the aim of reducing the rigidity of fabrics and increasing the softness of fabrics.
Description
Technical field
The present invention relates to the Textile Engineering technical field, particularly relate to a kind of method that improves cellulose enzyme activity in processing ramie fabrics.
Background technology
That the ramie textile product have is ventilative, absorbing sweat, nice and cool and good wearability comfortable and easy to wear, is the first-selected textile raw material of pursuing environmental protection, is subjected to domestic and international consumer's generally favor.But, because the ramee rigidity is big, flexibility is little, extension at break is little, poor flexibility, feel are coarse, when taking human body is produced prodding and itching feeling, influenced the wearability of ramie lining to a great extent, especially the development difficulty of the frivolous comfortable lining of top grade in summer is bigger.
The prodding and itching feeling of eliminating bast fiber fabrics is the important content of linen textile arrangement research always.When fiber was firm, the straight and upright chance in the surface of filoplume was many, caused contact point little and pressure is big easily to skin, and when this hard fiber tip and contact skin, the system that can excite nerve produces and disturbs gargalesthesia or tingling sensation.At present, in the back arrangement of general linen, white silk, soft finish technology are singed, floated to main the employing, remove filoplume and the filoplume rigidity that remains in fabric face is reduced, not only use strong acid and strong bases in a large number in process, environmental pollution is serious, and the cost height, effect is undesirable.Therefore, improve the performance of flax fibre and fabric thereof, improve quality, cut down finished cost, it is top priority in the flax spinning industry to the pollution of environment that control adds man-hour.
It is more both at home and abroad cellulase to be made the research report of bast fiber fabrics finishing agent.Mainly be about cellulase to the biopolishing of fibre, return the research of old arrangement, less to how improving behind the ramie fabric in the arrangement research of used cellulase activity.Utilize the high selectivity of cellulase, can make the β-1 in the cellulose fibre under certain condition, 4 glycosidic bond hydrolysis, microvillus to fiber surface has attenuation, under the prerequisite that does not influence fibrous inner structure, the wearability of fabric is greatly improved, and, cellulase is to Microvillares attenuation, also playing an important role aspect the biopolishing of ramie fabric, the surface cleaning.But, find in the research that in the process of cellulase catalyzing cellulose hydrolysis, its reaction rate is with the rapid downward trend that is of reaction.Because the activity of cellulase itself with regard to low (only being diastatic 1/100), directly causes the enzyme demand to increase, thereby its application cost is increased considerably, using value is extremely low economically producing.At present, mainly adopt methods such as gene modification, immobilised enzymes to improve the activity of cellulase with expectation.But the gene modification improves the research of cellulase activity still in the primary stage, and immobilized cellulase practicality in the processing of flax spinning raw material is low, and very big limitation is arranged.
Summary of the invention
The object of the present invention is to provide a kind of method that improves cellulose enzyme activity in processing ramie fabrics, this method can significantly improve the effect of cellulose treatment ramie fabric, comprises the enzyme treatment effect that characterizes with reduction rate, strength loss rate, stiffness.
The present invention realizes successively through the following steps:
(1) ramie grey cloth destarch
With concentration is that 10g/LNaoH and 1g/LJFC mixed solution boil and boil ramie grey cloth 30min, and bath raio is 1: 30, fully washs with cold water after fully washing with hot water again, dries then to constant weight;
(2) enzyme is handled
With the ramie fabric after the cellulase solution processing destarch, the enzyme prescription for the treatment of liquid is:
A, enzyme and KH
2PO
4Mixed solution, enzyme concentration are fabric to be weighed 1%, KH
2PO
4Concentration is that fabric is weighed 0.2～1%; Or:
B, enzyme and NaH
2PO
4.2H
2O mixed solution, enzyme concentration are fabric to be weighed 1%, NaH
2PO
4.2H
2O concentration is that fabric is weighed 0.2～1%;
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20.
(3) enzyme-deactivating and washing
Behind the conventional high temperature enzyme-deactivating, fully wash, use cold water washing again with 80 ℃ hot water.
In the said method, JFC is a fatty alcohol-polyoxyethylene ether, bleeding agent.
In the said method, the heavy concentration of fabric being represented quality than concentration, is 100: 1 as enzyme concentration for the mass ratio that fabric is weighed 1% expression fabric and enzyme.
Advantage of the present invention is: can improve the reduction rate of ramie fabric effectively, save enzyme reagent, reduce brute force, the stiffness of ramie fabric, thereby reach the reduction fabric stiffness, improve the purpose of fabric sofetening degree.
The specific embodiment
With concentration is that 10g/LNaoH and 1g/LJFC mixed solution boil and boil ramie grey cloth 30min; bath raio is 1: 30, fully washs with cold water after fully washing with hot water again, dries then to constant weight; obtain the ramie fabric after the destarch, the described method of by specification is carried out following 1～8 embodiment operation then:
Embodiment 1:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), KH
2PO
4Concentration is 0.2% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 3 times of contrast with only, and strength loss is 0.79 times of contrast, and the stiffness of dangling is 1 times of contrast, and flexural stiffness is 0.98 times that contrasts.
Embodiment 2:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), KH
2PO
4Concentration is 0.5% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 6 times of contrast with only, and strength loss is 0.74 times of contrast, and the stiffness of dangling is 0.98 times of contrast, and flexural stiffness is 0.98 times that contrasts.
Embodiment 3:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), KH
2PO
4Concentration is 0.8% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 5 times of contrast with only, and strength loss is 0.74 times of contrast, and the stiffness of dangling is 0.93 times of contrast, and flexural stiffness is 0.90 times that contrasts.
Embodiment 4:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), KH
2PO
4Concentration is 1% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 6 times of contrast with only, and strength loss is 0.74 times of contrast, and the stiffness of dangling is 0.97 times of contrast, and flexural stiffness is 1 times that contrasts.
Embodiment 5:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), NaH
2PO
4.2H
2O concentration is 0.2% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 3 times of contrast with only, and strength loss is 1 times of contrast, and the stiffness of dangling is 0.99 times of contrast, and flexural stiffness is 0.98 times that contrasts.
Embodiment 6:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), NaH
2PO
4.2H
2O concentration is 0.5% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 5 times of contrast with only, and strength loss is 0.95 times of contrast, and the stiffness of dangling is 0.98 times of contrast, and flexural stiffness is 0.92 times that contrasts.
Embodiment 7:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), NaH
2PO
4.2H
2O concentration is 0.8% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 5 times of contrast with only, and strength loss is 0.95 times of contrast, and the stiffness of dangling is 0.93 times of contrast, and flexural stiffness is 0.90 times that contrasts.
Embodiment 8:
Ramie fabric after the destarch: 30cm * 30cm;
The enzyme prescription for the treatment of liquid is: enzyme concentration is 1% (heavy to fabric), NaH
2PO
4.2H
2O concentration is 1% (heavy to fabric);
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20;
The result: with the contrast of enzyme processing cloth specimen, reduction rate is 8 times of contrast with only, and strength loss is 0.90 times of contrast, and the stiffness of dangling is 0.92 times of contrast, and flexural stiffness is 1 times that contrasts.
Claims (1)
1, a kind of method that improves cellulose enzyme activity in processing ramie fabrics is characterized in that, realizes through the following steps successively:
(1) ramie grey cloth destarch
With concentration is that 10g/LNaoH and 1g/LJFC mixed solution boil and boil ramie grey cloth 30min, and bath raio is 1: 30, fully washs with cold water after fully washing with hot water again, dries then to constant weight;
(2) enzyme is handled
With the ramie fabric after the cellulase solution processing destarch, the enzyme prescription for the treatment of liquid is:
A, enzyme and KH
2PO
4Mixed solution, enzyme concentration are fabric to be weighed 1%, KH
2PO
4Concentration is that fabric is weighed 0.2～1%; Or:
B, enzyme and NaH
2PO
4.2H
2O mixed solution, enzyme concentration are fabric to be weighed 1%, NaH
2PO
4.2H
2O concentration is that fabric is weighed 0.2～1%;
The enzyme treatment process condition is: pH6, time 60min, 50 ℃ of temperature, bath raio 1: 20.
(3) enzyme-deactivating and washing
Behind the conventional high temperature enzyme-deactivating, fully wash, use cold water washing again with 80 ℃ hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101038895A CN101555664A (en) | 2009-05-20 | 2009-05-20 | Method for increasing cellulose enzyme activity in processing ramie fabrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101038895A CN101555664A (en) | 2009-05-20 | 2009-05-20 | Method for increasing cellulose enzyme activity in processing ramie fabrics |
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| Publication Number | Publication Date |
|---|---|
| CN101555664A true CN101555664A (en) | 2009-10-14 |
Family
ID=41173928
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|---|---|---|---|
| CNA2009101038895A Pending CN101555664A (en) | 2009-05-20 | 2009-05-20 | Method for increasing cellulose enzyme activity in processing ramie fabrics |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154837A (en) * | 2010-12-22 | 2011-08-17 | 青岛大学 | Inactivation method for polished cellulolytic enzyme |
| CN102505505A (en) * | 2011-12-02 | 2012-06-20 | 浙江理工大学 | Anti-itchy finishing method for ramie fabric |
| CN103114456A (en) * | 2013-03-05 | 2013-05-22 | 江西井竹实业有限公司 | Ramine socks and treatment method thereof |
| CN104512056A (en) * | 2013-09-26 | 2015-04-15 | 沙伯特(亚洲)有限公司 | Technology and device for forming crimped edges or folded edges on molded fiber pulp products |
| CN110031332A (en) * | 2019-04-29 | 2019-07-19 | 西南大学 | A kind of test method of boardness |
| CN113818167A (en) * | 2021-08-27 | 2021-12-21 | 常熟市宏芳针织服饰有限公司 | Washing process for increasing flexibility of synthetic fiber cloth |
-
2009
- 2009-05-20 CN CNA2009101038895A patent/CN101555664A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154837A (en) * | 2010-12-22 | 2011-08-17 | 青岛大学 | Inactivation method for polished cellulolytic enzyme |
| CN102154837B (en) * | 2010-12-22 | 2012-07-04 | 青岛大学 | Inactivation method for polished cellulolytic enzyme |
| CN102505505A (en) * | 2011-12-02 | 2012-06-20 | 浙江理工大学 | Anti-itchy finishing method for ramie fabric |
| CN102505505B (en) * | 2011-12-02 | 2014-05-07 | 浙江理工大学 | Anti-itchy finishing method for ramie fabric |
| CN103114456A (en) * | 2013-03-05 | 2013-05-22 | 江西井竹实业有限公司 | Ramine socks and treatment method thereof |
| CN104512056A (en) * | 2013-09-26 | 2015-04-15 | 沙伯特(亚洲)有限公司 | Technology and device for forming crimped edges or folded edges on molded fiber pulp products |
| CN112455012A (en) * | 2013-09-26 | 2021-03-09 | 沙伯特（中山）有限公司 | Process and apparatus for forming a curl or hem in a molded fibrous pulp article |
| CN110031332A (en) * | 2019-04-29 | 2019-07-19 | 西南大学 | A kind of test method of boardness |
| CN110031332B (en) * | 2019-04-29 | 2023-03-31 | 西南大学 | Method for testing stiffness of fabric |
| CN113818167A (en) * | 2021-08-27 | 2021-12-21 | 常熟市宏芳针织服饰有限公司 | Washing process for increasing flexibility of synthetic fiber cloth |
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Open date: 20091014 |