CN102965960B - Shrink-proof technique of chemical fiber - Google Patents
Shrink-proof technique of chemical fiber Download PDFInfo
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- CN102965960B CN102965960B CN201210474821.XA CN201210474821A CN102965960B CN 102965960 B CN102965960 B CN 102965960B CN 201210474821 A CN201210474821 A CN 201210474821A CN 102965960 B CN102965960 B CN 102965960B
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- enzyme preparation
- wool fibre
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- temperature controls
- shrink
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- 239000000835 fiber Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000000126 substance Substances 0.000 title abstract description 8
- 102000004190 Enzymes Human genes 0.000 claims abstract description 52
- 108090000790 Enzymes Proteins 0.000 claims abstract description 51
- 210000002268 wool Anatomy 0.000 claims abstract description 49
- 238000002360 preparation method Methods 0.000 claims abstract description 38
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 241000588724 Escherichia coli Species 0.000 claims description 13
- 230000018044 dehydration Effects 0.000 claims description 11
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- 238000003809 water extraction Methods 0.000 claims description 11
- 102000009658 Peptidylprolyl Isomerase Human genes 0.000 claims description 8
- 108010020062 Peptidylprolyl Isomerase Proteins 0.000 claims description 8
- 241000283690 Bos taurus Species 0.000 claims description 5
- 102000004142 Trypsin Human genes 0.000 claims description 5
- 108090000631 Trypsin Proteins 0.000 claims description 5
- 239000012588 trypsin Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 5
- 239000010842 industrial wastewater Substances 0.000 abstract description 3
- 238000002791 soaking Methods 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- 102000004169 proteins and genes Human genes 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 239000012467 final product Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241001494479 Pecora Species 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009950 felting Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 108091005508 Acid proteases Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a shrink-proof technique of chemical fiber, and particularly discloses a shrink-proof technique of wool fiber, which comprises the following steps: treating by hydrogen peroxide, soaking, treating by enzyme preparation A, soaking for the second time to remove the enzyme preparation A, treating by enzyme preparation B, drying and the like. By adopting pure enzyme reagent for treatment, the shrink-proof technique is better in shrink-proof performance parameters, avoids the pollution of chemical reagent to the wool fiber, and reduces the emission of industrial waste water.
Description
Technical field
The invention belongs to textile technology field, relate to a kind of shrink-proof process method of chemical fibre, be specifically related to a kind of shrink-proof process method of wool fibre.
Background technology
Wool fibre is the deformations of the skin of sheep, and warmth retention property is splendid, is used for the clothes of autumn and winter season, but very easily damages by worms.Weaving wool fibre is main is sheep's wool, so-called wool, or claims wool fibre, or is called for short hair.Wool is natural protein fibre, and main component makes the protein of angle protein form, and angle protein content accounts for 97%, inorganic matter 1-3%, and the essential element of wool angle protein is C, O, N, H, S.
Because wool surface has scale layer, in washing process, easily produce shrinkage, shape is unstable, have much the treatable research of wool fibre, be divested by physics, chemical method or weaken the scale layer of wool fibre mostly, thus improve the shortcoming of its shrinkage; But adopt Chemical Physics method inevitably to use various physics and chemistry reagent, it not only can residue in wool fibre, also pollute the environment, produce a large amount of industrial wastewaters, such as, in prior art conventional chloridizing and permanganimetric method (as CN201010269379).Along with the development of biological zymetology, the defect utilizing zymetology technology to change wool fibre is problem more popular in recent years.Chinese patent CN200810059502 and CN201010127072, all employs enzyme preparation, but in said method, many places employ chemical reagent equally, easily causes environmental pollution, and partly can residue in wool fibre, works the mischief to human body.
How utilizing merely enzyme preparation to process wool fibre, and reach the object of wrinkle resistant environmental protection, is prior art technical problem anxious to be resolved.
Summary of the invention
The object of this invention is to provide a kind of shrink-proof process method of chemical fibre, particularly relate to a kind of shrink-proof process method of wool fibre, it adopts pure zymetology technology, can be effectively wrinkle resistant, and environmental protection, human body is not injured.
The object of the invention is to be achieved through the following technical solutions:
A shrink-proof process method for wool fibre, it comprises the steps:
1) hydrogen peroxide process: first wool fibre is paved expansion, then adds the hydrogen peroxide accounting for wool fibre weight fraction 3% and evenly sprays process to it, and hydrogen peroxide concentration is 20%(w/w), the processing time is 30 minutes, and temperature controls at 30 DEG C;
2) soak: be soaked in water the wool fibre of step 1) 10min, and water temperature controls at 30 DEG C, then with Water Extraction Machinery dehydration, moisture controls below 5%;
3) enzyme preparation A process: enzyme preparation A comprises Escherichia coli disulfide bond oxidoreducing enzyme DsbA, DsbB(Escherichia coli disulfide bond oxidoreducing enzyme, the chemistry of life, 2008) and Escherichia coli proline isomerase A(PPIaseA); Wherein in above-mentioned enzyme preparation, DsbA and DsbB is respectively 500-600U/ml, and Escherichia coli proline isomerase A is 800-1000U/ml;
By step 2) wool fibre to be soaked in mass concentration be in the enzyme preparation solution A of 1% 10 minutes, temperature controls at 37 DEG C, pH6.3;
4) secondary soaks removing enzyme preparation A: be soaked in water the wool fibre of step 3) 3min, and water temperature controls at 30 DEG C, and then with Water Extraction Machinery dehydration, moisture controls below 5%;
5) enzyme preparation B process: enzyme preparation B comprises bovine trypsin 1000-1200U/ml; The wool fibre of step 4) being soaked in mass concentration is in the enzyme preparation B solution of 2% 30 minutes, and temperature controls at 37 DEG C, pH7.8;
6) dry: adopt Water Extraction Machinery dehydration, then circulated air is dried, and bake out temperature controls at 50 DEG C, and the time is 10 minutes, to obtain final product.
The beneficial effect that the present invention brings:
The present invention adopts pure enzyme agent treated, avoid the pollution of chemical reagent to wool fibre, and shrinkproof performance parameter is higher;
The present invention adopts two step enzyme preparation methods, and efficiency is high, and enzyme utilization rate is few, active high;
The industrial wastewater COD that the present invention produces is low, and less environmental pollution, is obviously better than conventional method.
Detailed description of the invention
To the mode of specific embodiment be adopted to carry out detailed description to the present invention below, but should not be construed limitation of the present invention.
Embodiment 1
A shrink-proof process method for wool fibre, it comprises the steps:
1) hydrogen peroxide process: first wool fibre is paved expansion, then adds the hydrogen peroxide accounting for wool fibre weight fraction 3% and evenly sprays process to it, and hydrogen peroxide concentration is 20%, and the processing time is 30 minutes, and temperature controls at 30 DEG C;
2) soak: be soaked in water the wool fibre of step 1) 10min, and water temperature controls at 30 DEG C, then with Water Extraction Machinery dehydration, moisture controls below 5%.
3) enzyme preparation A process: enzyme preparation A comprises Escherichia coli disulfide bond oxidoreducing enzyme DsbA, DsbB and Escherichia coli proline isomerase A(PPIaseA); Wherein in above-mentioned enzyme preparation, DsbA and DsbB is respectively 500U/ml, and Escherichia coli proline isomerase A is 800U/ml;
By step 2) wool fibre to be soaked in mass concentration be in the enzyme preparation solution A of 1% 10 minutes, temperature controls at 37 DEG C, pH6.3;
4) secondary soaks removing enzyme preparation A: be soaked in water the wool fibre of step 3) 3min, and water temperature controls at 30 DEG C, and then with Water Extraction Machinery dehydration, moisture controls below 5%;
5) enzyme preparation B process: enzyme preparation B is bovine trypsin, and enzyme is lived as 1000U/ml; The wool fibre of step 4) being soaked in mass concentration is in the enzyme preparation B solution of 2% 30 minutes, and temperature controls at 37 DEG C, pH7.8;
6) dry: adopt Water Extraction Machinery dehydration, then circulated air is dried, and bake out temperature controls at 50 DEG C, and the time is 10 minutes, to obtain final product.
Embodiment 2
A shrink-proof process method for wool fibre, it comprises the steps:
1) hydrogen peroxide process: first wool fibre is paved expansion, then adds the hydrogen peroxide accounting for wool fibre weight fraction 3% and evenly sprays process to it, and hydrogen peroxide concentration is 20%, and the processing time is 30 minutes, and temperature controls at 30 DEG C;
2) soak: be soaked in water the wool fibre of step 1) 10min, and water temperature controls at 30 DEG C, then with Water Extraction Machinery dehydration, moisture controls below 5%.
3) enzyme preparation A process: enzyme preparation A comprises Escherichia coli disulfide bond oxidoreducing enzyme DsbA, DsbB and Escherichia coli proline isomerase A(PPIaseA); Wherein in above-mentioned enzyme preparation, DsbA and DsbB is respectively 600U/ml, and Escherichia coli proline isomerase A is 1000U/ml;
By step 2) wool fibre to be soaked in mass concentration be in the enzyme preparation solution A of 1% 10 minutes, temperature controls at 37 DEG C, pH6.3;
4) secondary soaks removing enzyme preparation A: be soaked in water the wool fibre of step 3) 3min, and water temperature controls at 30 DEG C, and then with Water Extraction Machinery dehydration, moisture controls below 5%;
5) enzyme preparation B process: enzyme preparation B is bovine trypsin, and enzyme is lived as 1200U/ml; The wool fibre of step 4) being soaked in mass concentration is in the enzyme preparation B solution of 2% 30 minutes, and temperature controls at 37 DEG C, pH7.8;
6) dry: adopt Water Extraction Machinery dehydration, then circulated air is dried, and bake out temperature controls at 50 DEG C, and the time is 10 minutes, to obtain final product.
Embodiment 3
To process 10 kilograms of wool fibres equally, the chloridizing of permanganimetric method, acid protease+permanganimetric method (CN201010269379) and routine that contrast test selects this area conventional, often kind of method in triplicate, obtains following test data:
| Indexes Comparison | The embodiment of the present invention 1 | Permanganimetric method | Enzyme+permanganimetric method | Chloridizing |
| Felting sphere volume cm3 | 16.34±2.1 | 13.45±3.4 | 14.25±2.8 | 12.87±3.4 |
| Fiber strength cN | 3.9±0.2 | 3.2±0.2 | 3.1±0.2 | 3.4±0.1 |
| Elongation at break % | 41.2±4.2 | 26.4±5.7 | 27.9±4.4 | 19.7±3.8 |
| Weight reduction rates | 1.2±0.1 | 4.9±1.3 | 4.8±1.1 | 6.1±0.9 |
| Physical chemistry injurious factor | Unharmful substance | Detect Mn ion | Detect Mn ion | Detect AOX |
| The COD(mg/L produced) | 52±9 | 490±24 | 320±31 | 630±46 |
Conclusion: found by contrast test, the shrinkproof method of process wool fibre of the present invention has had larger improvement in felting sphere volume, fiber strength, elongation at break and weight reduction etc., and decrease the infringement of each unfavorable factor to human body, reduce wastewater discharge.
Although above done detailed explanation with general explanation and detailed description of the invention to this case, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, amendment done without departing from theon the basis of the spirit of the present invention or improvement, all belong to the scope of protection of present invention.
Claims (1)
1. a shrink-proof process method for wool fibre, it comprises the steps:
1) hydrogen peroxide process: first wool fibre is paved expansion, then adds the hydrogen peroxide accounting for wool fibre weight fraction 3% and evenly sprays process to it, and hydrogen peroxide concentration is 20%, and the processing time is 30 minutes, and temperature controls at 30 DEG C;
2) soak: be soaked in water the wool fibre of step 1) 10min, and water temperature controls at 30 DEG C, then with Water Extraction Machinery dehydration, moisture controls below 5%;
3) enzyme preparation A process: by step 2) to be soaked in mass concentration be in the enzyme preparation solution A of 1% 10 minutes for the wool fibre that obtains, temperature controls at 37 DEG C, pH6.3, described enzyme preparation A comprise Escherichia coli disulfide bond oxidoreducing enzyme DsbA, DsbB and Escherichia coli proline isomerase A; In wherein said enzyme preparation A, DsbA and DsbB enzyme is lived and is respectively 500-600U/ml, and the enzyme of Escherichia coli proline isomerase A is lived as 800-1000U/ml;
4) secondary soaks removing enzyme preparation A: be soaked in water the wool fibre of step 3) 3min, and water temperature controls at 30 DEG C, and then with Water Extraction Machinery dehydration, moisture controls below 5%;
5) enzyme preparation B process: the wool fibre of step 4) being soaked in mass concentration is in the enzyme preparation B solution of 2% 30 minutes, and temperature controls at 37 DEG C, pH7.8, and described enzyme preparation B is bovine trypsin, the enzyme of described bovine trypsin is lived as 1000-1200U/ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210474821.XA CN102965960B (en) | 2012-11-21 | 2012-11-21 | Shrink-proof technique of chemical fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210474821.XA CN102965960B (en) | 2012-11-21 | 2012-11-21 | Shrink-proof technique of chemical fiber |
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| Publication Number | Publication Date |
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| CN102965960A CN102965960A (en) | 2013-03-13 |
| CN102965960B true CN102965960B (en) | 2014-12-17 |
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| CN201210474821.XA Active CN102965960B (en) | 2012-11-21 | 2012-11-21 | Shrink-proof technique of chemical fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104562221B (en) * | 2015-01-22 | 2016-08-24 | 山东理工大学 | The enzyme of Crinis Carbonisatus fiber is combined desquamation technique |
| CN104593876B (en) * | 2015-01-22 | 2016-06-15 | 山东理工大学 | Utilize the method that Crinis Carbonisatus bleaching effluent carries out Crinis Carbonisatus desquamation process |
| CN105063871A (en) * | 2015-07-11 | 2015-11-18 | 江苏丹毛纺织股份有限公司 | Method for preparing low pilling cashmere knitted fabrics |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034032A (en) * | 1987-10-28 | 1989-07-19 | 舍勒哈德图姆股份公司 | The enzyme of wool is handled |
| EP0358386A2 (en) * | 1988-08-31 | 1990-03-14 | Precision Processes Textiles Limited | Method for the treatment of wool |
| CN1405400A (en) * | 2001-08-15 | 2003-03-26 | 徐永来 | Method for treating wool by bio-modification |
| CN101565902A (en) * | 2009-04-22 | 2009-10-28 | 江南大学 | Wool-fabric protease anti-felting method based on weak oxidation and cutinase pretreatment |
| CN102965958A (en) * | 2012-10-31 | 2013-03-13 | 江南大学 | Wool product two-bath process anti-felting treatment technology based on composite bio-enzyme |
-
2012
- 2012-11-21 CN CN201210474821.XA patent/CN102965960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034032A (en) * | 1987-10-28 | 1989-07-19 | 舍勒哈德图姆股份公司 | The enzyme of wool is handled |
| EP0358386A2 (en) * | 1988-08-31 | 1990-03-14 | Precision Processes Textiles Limited | Method for the treatment of wool |
| CN1405400A (en) * | 2001-08-15 | 2003-03-26 | 徐永来 | Method for treating wool by bio-modification |
| CN101565902A (en) * | 2009-04-22 | 2009-10-28 | 江南大学 | Wool-fabric protease anti-felting method based on weak oxidation and cutinase pretreatment |
| CN102965958A (en) * | 2012-10-31 | 2013-03-13 | 江南大学 | Wool product two-bath process anti-felting treatment technology based on composite bio-enzyme |
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| CN102965960A (en) | 2013-03-13 |
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Owner name: SHANDONG LAILILAI ECO-TEXTILE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANDONG LAILILAI WOOL SPINNING CO., LTD. |
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Address after: 276017 Shandong Province, Linyi city Luozhuang District Po Road Middle Shandong Lilai Woolen Co. Ltd. Patentee after: Shandong Laililai Wool Spinning Co.,Ltd. Address before: 276017 Shandong Province, Linyi city Luozhuang District Po Road Middle Shandong Lilai Woolen Co. Ltd. Patentee before: SHANDONG LAILILAI WOOL TEXTILE Co.,Ltd. |
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