CN101135063A - Method for degumming jute by using complex enzyme - Google Patents
Method for degumming jute by using complex enzyme Download PDFInfo
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- CN101135063A CN101135063A CNA2007101225784A CN200710122578A CN101135063A CN 101135063 A CN101135063 A CN 101135063A CN A2007101225784 A CNA2007101225784 A CN A2007101225784A CN 200710122578 A CN200710122578 A CN 200710122578A CN 101135063 A CN101135063 A CN 101135063A
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- jute
- complex enzyme
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- tossa
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- 240000000491 Corchorus aestuans Species 0.000 title claims abstract description 83
- 235000011777 Corchorus aestuans Nutrition 0.000 title claims abstract description 83
- 235000010862 Corchorus capsularis Nutrition 0.000 title claims abstract description 83
- 108090000790 Enzymes Proteins 0.000 title claims abstract description 79
- 102000004190 Enzymes Human genes 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 36
- 108010029541 Laccase Proteins 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 238000007598 dipping method Methods 0.000 claims abstract description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000010792 warming Methods 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 17
- 230000009849 deactivation Effects 0.000 claims description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229920005610 lignin Polymers 0.000 abstract description 25
- 230000001105 regulatory effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229940088598 enzyme Drugs 0.000 description 61
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 36
- 238000010790 dilution Methods 0.000 description 18
- 239000012895 dilution Substances 0.000 description 18
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 18
- 235000017557 sodium bicarbonate Nutrition 0.000 description 18
- 239000000835 fiber Substances 0.000 description 17
- 239000001814 pectin Substances 0.000 description 16
- 229920001277 pectin Polymers 0.000 description 16
- 235000010987 pectin Nutrition 0.000 description 16
- 238000004061 bleaching Methods 0.000 description 9
- 238000009987 spinning Methods 0.000 description 9
- 241000208202 Linaceae Species 0.000 description 7
- 235000004431 Linum usitatissimum Nutrition 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 5
- 240000008564 Boehmeria nivea Species 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 108010059892 Cellulase Proteins 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 229940106157 cellulase Drugs 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229940059442 hemicellulase Drugs 0.000 description 2
- 108010002430 hemicellulase Proteins 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 108010059820 Polygalacturonase Proteins 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
- Enzymes And Modification Thereof (AREA)
Abstract
The process of degumming jute with composite enzyme comprising pectase and laccase includes the following steps: dipping jute in composite enzyme aqua compounded with pectase and laccase in 12-40 times weight of jute; regulating the pH value of composite enzyme aqua to 5.0-5.5, heating to 55-60 deg.c and maintaining for 51-120 min; regulating the pH value of composite enzyme aqua to 7.5-8.0, heating to 60-70 deg.c and maintaining for 20-120 min; and deactivating enzyme of treated jute. The process is simple and has high lignin eliminating effect.
Description
Technical field
The present invention relates to a kind of jute degumming method, particularly relate to the method that a kind of applying composite enzyme comes unstuck to jute.
Background technology
Because flax fibre has sucting wet air permeability, low static behaviour and good antibacterial characteristics preferably, crudefiber crop fabric clothing lining more and more is subjected to people's favor.The lining of existing crudefiber crop fabric clothing is meant that mainly flax, ramie raw materials or this type of raw material and other fiber carry out blending/interweave as cotton, wool, chemical fibre, silk etc. and make, but, make that the crudefiber crop textiles does not have to be more widely used because flax, ramie price are higher.And jute is the second-biggest-in-the-world cellulose fibre that is only second to cotton, and it is cheap, and compares with flax, ramie and to have better hygroscopicity and drapability, and antibacterial ability is only second to hemp, has huge using value and potentiality to be exploited.But because the content of lignin higher (can reach 10-13%) in the jute is higher several times than flax, uses common Degumming method and tossa is come unstuck, removes lignin be difficult to obtain desirable effect, this has restricted the application of jute aspect garment material greatly." Tianjin University of Technology's journal " August the 24th in 2005, the influence that cellulase, hemicellulase, lignoenzyme and pectin depolymerase are handled tossa studied in volume the 4th phase " enzyme is handled a tossa Effect on Performance " literary composition, what but this article was mainly studied is to utilize above-mentioned various enzyme separately tossa to be handled respectively, even wherein mentioning complex enzyme handles, also only be to utilize laccase and hemicellulase compound with cellulase respectively, facts have proved that this article disclosed method is unsatisfactory to the effect that tossa comes unstuck, removes lignin.Chinese patent literature CN1232691C discloses the method that a kind of applying composite enzyme comes unstuck to jute, this method with the complex enzyme of pectase and laccase to the tossa processing of coming unstuck, the tossa of gained through with other fiber as cotton, chemical fibre blending or interweave and can satisfy the requirement of garment material substantially.But above-mentioned patent documentation disclosed method is desirable not enough to the removal of lignin impurity in the tossa, clearance only is about 76%, the content of lignin is still higher in the tossa of gained, need with other fiber as cotton, chemical fibre blending or interweave, the quality of the garment material that makes is still waiting further raising.
Summary of the invention
For this reason, the method that provides a kind of applying composite enzyme that jute is come unstuck is provided technical problem to be solved by this invention, and this method can effectively be removed pectin and the lignin impurity in the tossa.
For solving the problems of the technologies described above, technical scheme of the present invention is: the method that a kind of applying composite enzyme comes unstuck to jute, and described complex enzyme comprises pectase and laccase, may further comprise the steps:
A. will jute be flooded by the complex enzyme aqueous solution that pectase and laccase are mixed with, the weight ratio of the described complex enzyme aqueous solution and jute is 12: 1-40: 1;
B. adjusting described complex enzyme pH value of aqueous solution is 5.0-5.5, and is warming up to 55 ℃-60 ℃, keeps 51-120 minute;
C. the pH value of adjusting solution then is 7.5-8.0, keeps 20-120 minute under 60 ℃-70 ℃ temperature;
D. the jute after handling through described complex enzyme being carried out enzyme deactivation handles.
Said method also is included in described steps d and carries out the step that synergy is banked up and handled before.
Said method, described synergy time of handling of banking up is 6-24 hour.
Said method, the enzyme deactivation in the described steps d are treated to the high temperature washing or regulate the pH value and carry out enzyme deactivation processing, perhaps both combinations.
Said method, the weight ratio of pectase is 30-90% in the described complex enzyme.
Said method, the weight ratio of described complex enzyme and jute are 0.5: 100-5: 100.
Said method, the temperature of water is more than 75 ℃ when carrying out the washing of described high temperature; PH value when adjusting pH value is carried out the enzyme deactivation processing is more than 10.0 or less than 4.0.
Said method also is included in described step a and before jute is carried out pretreated step.
Said method, described preliminary treatment are one or more the combination in water-bath, acid bath or the hydrogen peroxide dipping.The temperature of described water-bath is 30 ℃ to 100 ℃; Use sulfuric acid or acetic acid during described acid bath.
Characteristics and content (other crudefiber crops such as relative flax, ramie at pectin in the jute and lignin self, content of lignin is higher), jute complex enzyme degumming method of the present invention, chosen the technological parameter that is complementary, especially in laccase activity higher pH interval, prolong more than the temperature retention time to 50 minute, and other each parameter is adjusted in cooperation, make laccase can bring into play the effect of best removal lignin, thereby Degumming method of the present invention can be removed lignin more effectively than prior art, obtains the tossa with better spinnability.
Compared with prior art, technical scheme of the present invention has the following advantages: (1) method of the present invention adopts complex enzyme to the tossa processing of coming unstuck, chosen the technological parameter that is complementary, especially in laccase activity higher pH interval, prolong more than the temperature retention time to 50 minute, and other each parameter is adjusted in cooperation, and before carrying out the high temperature washing or regulate the processing of pH value inactivation, the jute after complex enzyme is handled carries out the synergy processing of banking up, can remove pectin and lignin in the tossa effectively, its pectin clearance is about 90%, reach as high as 96%, lignin removing rate reaches more than 79%, reach as high as 86%, the tossa after the coming unstuck of acquisition has higher spinnability.(2) method of the present invention had been carried out preliminary treatment before to the jute complex enzyme degumming, jute has been played expanded preferably effect, to weaken the associating power between filament, be more conducive to enzyme liquid and contact with the direct of flax fibre, can better remove pectin and lignin in the tossa.
The specific embodiment
Embodiment 1
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out the water-bath preliminary treatment, and the temperature of water-bath is 65 ℃, temperature retention time is 2 hours;
Pectase and laccase were mixed with complex enzyme by weight 3: 7, press with jute and got the complex enzyme that configures, and be diluted with water to 12 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 0.5: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.5, is warming up to 55 ℃, keeps 51 minutes;
PH value with the sodium bicarbonate regulator solution is 7.5 then, is warming up to 60 ℃, keeps 20 minutes;
Then jute is taken out from solution and bank up carrying out the synergy processing of banking up, synergy time of handling of banking up is 24 hours;
To carry out hot water with 80 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 2
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out acid bath and water-bath preliminary treatment, and used acid is that concentration is the concentrated sulfuric acid more than 90%, and the temperature of water-bath is 30 ℃, and temperature retention time is 1 hour;
Pectase and laccase were mixed with complex enzyme by weight 9: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 40 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 5: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.0, is warming up to 60 ℃, keeps 120 minutes;
PH value with the sodium bicarbonate regulator solution is 7.5 then, is warming up to 65 ℃, keeps 40 minutes;
Then jute is taken out from solution and bank up carrying out the synergy processing of banking up, synergy time of handling of banking up is 6 hours;
To carry out hot water with 95 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 3
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And jute carried out the acid bath preliminary treatment, used acid is that concentration is the acetic acid more than 90%.
Pectase and laccase were mixed with complex enzyme by weight 1: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 20 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 1: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.0, is warming up to 55 ℃, keeps 60 minutes;
PH value with the sodium bicarbonate regulator solution is 8.0 then, is warming up to 70 ℃, keeps 50 minutes;
Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 10 hours;
To carry out hot water with 85 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 4
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out the hydrogen peroxide dipping preliminary treatment, the concentration of used hydrogen peroxide is 5g/L;
Pectase and laccase were mixed with complex enzyme by weight 2: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 30 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 2: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.3, is warming up to 58 ℃, keeps 90 minutes;
PH value with the sodium bicarbonate regulator solution is 7.8 then, is warming up to 69 ℃ and keeps 90 minutes;
Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 15 hours;
To carry out hot water with 90 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 5
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out the water-bath preliminary treatment, and the temperature of described water-bath is 100 ℃, temperature retention time is half an hour;
Pectase and laccase were mixed with complex enzyme by weight 5: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 12 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 3: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.0, is warming up to 55 ℃, keeps 80 minutes;
PH value with the sodium bicarbonate regulator solution is 7.7 then, is warming up to 65 ℃, keeps 70 minutes;
Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 20 hours;
The jute that to bank up after handling through synergy is that 11.0 the aqueous solution cleans with pH value, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.Therefrom as can be seen, the effect of using technical scheme among this embodiment is one of optimum.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 6
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram;
Pectase and laccase were mixed with complex enzyme by weight 4: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 14 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 4: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.0, is warming up to 60 ℃, keeps 70 minutes;
PH value with the sodium bicarbonate regulator solution is 8.0 then, is warming up to 65 ℃ and keeps 80 minutes;
Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 12 hours;
The jute that to bank up after handling through synergy is that 3.0 the aqueous solution cleans with pH value, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.Therefrom as can be seen, the effect of using technical scheme among this embodiment is one of optimum.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 7
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram;
Pectase and laccase were mixed with complex enzyme by weight 2: 3, press with jute and got the complex enzyme that configures, and be diluted with water to 13 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 1: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.2, is warming up to 57 ℃, keeps 100 minutes;
PH value with the sodium bicarbonate regulator solution is 8.0 then, is warming up to 60 ℃ and keeps 100 minutes;
Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 8 hours;
To carry out hot water with 85 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 8
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram;
Pectase and laccase were mixed with complex enzyme by weight 3: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 13 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 2: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.0, is warming up to 58 ℃, keeps 110 minutes;
PH value with the sodium bicarbonate regulator solution is 7.8 then, keeps 110 minutes at 70 ℃;
Then jute is taken out from solution and with the pH value be 10.0, temperature is that 75 ℃ hot water cleans, handle to carry out enzyme deactivation, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Embodiment 9
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram;
Pectase and laccase were mixed with complex enzyme by weight 2: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 16 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 1: 100;
The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 5.4, is warming up to 56 ℃, keeps 100 minutes;
PH value with the sodium bicarbonate regulator solution is 7.6 then, is warming up to 55 ℃ and keeps 120 minutes;
Then jute is taken out from solution and with the pH value be 3.5, temperature is that 80 ℃ hot water cleans, handle to carry out enzyme deactivation, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
Tossa after above-mentioned the coming unstuck is carried out bleaching, strikes the tossa product that can obtain having better spinning property after fiber crops are handled, clean, dewater, dry by prior art.
Pectase and laccase used in the foregoing description are respectively pectase (Bioprep) and the laccase of being produced by Denmark Novozymes Company (Denilite).
Table 1 has provided among each embodiment the clearance of pectin and lignin in the tossa after resulting the coming unstuck.
Table 1
| Embodiment | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| The pectin clearance | 86％ | 96％ | 90％ | 90％ | 95％ | 96％ | 91％ | 91％ | 89％ |
| Lignin removing rate | 79％ | 80％ | 79％ | 80％ | 84％ | 86％ | 82％ | 81％ | 79％ |
Obviously, the foregoing description only is the example that provides for clearly illustrating, they are not to be limitation of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change must fall into protection scope of the present invention.
Claims (10)
1. method that applying composite enzyme comes unstuck to jute, described complex enzyme comprises pectase and laccase, it is characterized in that, may further comprise the steps:
A. will jute be flooded by the complex enzyme aqueous solution that pectase and laccase are mixed with, the weight ratio of the described complex enzyme aqueous solution and jute is 12: 1-40: 1;
B. adjusting described complex enzyme pH value of aqueous solution is 5.0-5.5, and is warming up to 55 ℃-60 ℃, keeps 51-120 minute;
C. the pH value of adjusting solution then is 7.5-8.0, keeps 20-120 minute under 60 ℃-70 ℃ temperature;
D. the jute after handling through described complex enzyme being carried out enzyme deactivation handles.
2. method according to claim 1 is characterized in that, also is included in described steps d and carries out the step that synergy is banked up and handled before.
3. method according to claim 2 is characterized in that, described synergy time of handling of banking up is 6-24 hour.
4. according to each described method among the claim 1-3, it is characterized in that the enzyme deactivation in the described steps d is treated to the high temperature washing or regulates the pH value and carry out enzyme deactivation processing, perhaps both combinations.
5. according to each described method among the claim 1-3, it is characterized in that the weight ratio of pectase is 30-90% in the described complex enzyme.
6. according to each described method among the claim 1-3, it is characterized in that the weight ratio of described complex enzyme and jute is 0.5: 100-5: 100.
7. method according to claim 4 is characterized in that, the temperature of water is more than 75 ℃ when carrying out the washing of described high temperature; PH value when adjusting pH value is carried out the enzyme deactivation processing is more than 10.0 or less than 4.0.
8. according to each described method among the claim 1-3, it is characterized in that, also be included in described step a and before jute carried out pretreated step.
9. method according to claim 8 is characterized in that, described preliminary treatment is one or more the combination in water-bath, acid bath or the hydrogen peroxide dipping.
10. method according to claim 9 is characterized in that, the temperature of described water-bath is 30 ℃ to 100 ℃; Use sulfuric acid or acetic acid during described acid bath.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101225784A CN100560817C (en) | 2007-09-27 | 2007-09-27 | Method for Degumming Jute Using Compound Enzyme |
| PCT/CN2008/001659 WO2009049484A1 (en) | 2007-09-27 | 2008-09-26 | Method of using composite enzyme for degumming jute (2) |
| JP2010526132A JP2010540784A (en) | 2007-09-27 | 2008-09-26 | Degumming of jute using complex enzyme (2) |
| US12/680,469 US20100304469A1 (en) | 2007-09-27 | 2008-09-26 | The method of degumming jute fibres with complex enzyme (2) |
| CA2700793A CA2700793A1 (en) | 2007-09-27 | 2008-09-26 | Method of using composite enzyme for degumming jute (2) |
| EP08800651A EP2194171A4 (en) | 2007-09-27 | 2008-09-26 | Method of using composite enzyme for degumming jute (2) |
| MX2010003348A MX2010003348A (en) | 2007-09-27 | 2008-09-26 | Method of using composite enzyme for degumming jute (1). |
| KR1020107006716A KR20100066523A (en) | 2007-09-27 | 2008-09-26 | Method of using composite enzyme for degumming jute(2) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101225784A CN100560817C (en) | 2007-09-27 | 2007-09-27 | Method for Degumming Jute Using Compound Enzyme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101135063A true CN101135063A (en) | 2008-03-05 |
| CN100560817C CN100560817C (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101225784A Expired - Fee Related CN100560817C (en) | 2007-09-27 | 2007-09-27 | Method for Degumming Jute Using Compound Enzyme |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009049484A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (2) |
| WO2009049485A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (3) |
| WO2009049483A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (1) |
-
2007
- 2007-09-27 CN CNB2007101225784A patent/CN100560817C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009049484A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (2) |
| WO2009049485A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (3) |
| WO2009049483A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (1) |
| US8268127B2 (en) | 2007-09-27 | 2012-09-18 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of degumming jute fibres with complex enzyme |
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| CN100560817C (en) | 2009-11-18 |
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