CN100436702C - Nano-biological enzyme additive and device and method for making same - Google Patents
Nano-biological enzyme additive and device and method for making same Download PDFInfo
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- CN100436702C CN100436702C CNB2007100085137A CN200710008513A CN100436702C CN 100436702 C CN100436702 C CN 100436702C CN B2007100085137 A CNB2007100085137 A CN B2007100085137A CN 200710008513 A CN200710008513 A CN 200710008513A CN 100436702 C CN100436702 C CN 100436702C
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Abstract
The invention relates to a treating agent of nanometer biological enzyme, the preparation method and the equipment. Especially the invention relates to a nanometer biological enzyme for printing and dyeing pretreatment process of textile. Under the condition of no changing original equipment the nanometer biological enzyme is provided, which can realize environmental protection production to printing and dyeing pre-treatment of fabric. In the invention, there is no need to use caustic soda and other every kind of chemical additive to realize disposable completion of desizing, scouring and bleaching. Constituting components of invention are nanometer titanium dioxide, biological enzyme, chitosan, methylcellulose, sodium silicate, magnesium sulphate, dispersant, sodium hydroxide and water. In preparation, nanometer titanium dioxide is dispersed to lactescence slurry, which is mixed in equality for reserving; then the biological enzyme is compounded into compounded biological enzyme; finally the treating agent of nanometer biological enzyme is compounded.
Description
Technical field
The present invention relates to a kind of nano-biological enzyme additive, especially relate to a kind of nano-biological enzyme additive that is used for textiles (particularly cotton, chemical fibre, blending and each kind fabric thereof) pretreating technology for printing and dyeing.
Background technology
In the textile dyeing and finishing traditional handicraft, the process of its fabric printing pre-treatment comprises destarch, concise and bleach 3 procedures, independently finishes in the process at 3 respectively, and the major defect of this technology is: workload is big; Utilization rate of equipment and installations is not high; Need to add caustic soda (NaOH) and chemical assistants such as scouring agent, bleeding agent, degreaser and bleaching agent, not only big to the fabric fibre damage, and also the waste water of discharging is strong basicity, the toxicity height, and frowziness, environmental pollution is serious.This technology is still being used in dyeing and finishing industry so far.
At the existing shortcoming of traditional handicraft, more existing relevant advanced technology and technology reports.
University Of Qingdao provides a kind of native cellulose fibre biology enzyme single bath process pre-treatment process in the application for a patent for invention of publication number for CN1337488, it is handled to bathe and is made up of biology enzyme and two components of bleaching agent, concise, bleaching and/or destarch are finished in same processing is bathed, the biology enzyme of one of its component can be amylase, pectase, lipase, protease and cellulase, can be that the independent use of a kind of enzyme also can mix use by two or more enzymes.Two the bleaching agent of its component can be clorox, sodium chlorite, hydrogen peroxide (hydrogen peroxide), bleaching powder, sodium perborate, SODIUM PERCARBONATE and peracetic acid, and every kind of bleaching agent can use separately also and can mix use.Use biology enzyme to realize that destarch, concise, bleaching finish in same treatment fluid.But employed biology enzyme kind is complicated and amount is big in this technical recipe, also will add the bleaching agent that clorox and inferior oxygen acid sodium etc. is formed.Especially when the printing and dyeing pre-treatment is used, also in treatment fluid, add surfactant that stabilizing agent such as sodium chloride and sodium sulphate and polyoxyethylene alkyl ether class form etc., and to do the adjustment of different other auxiliary agents of interpolation or different proportionings to different fibers, the technique for applying complexity is difficult for grasping.When discharge of wastewater,, can not guarantee ecological, environmental protective production owing to add other auxiliary agent or caustic soda.Therefore, technology of this invention and product are not used widely so far as yet.
Summary of the invention
The objective of the invention is to guarantee problems such as environmental requirement at existing complex process, difficult grasp and discharge of wastewater in the existing weave dyeing and finishing technique; provide a kind of under the condition that does not change existing equipment; needn't use caustic soda and other all kinds of chemical assistants; can realize disposable the finishing of destarch, concise, bleaching, realize the nano-biological enzyme additive of the environmental protection production of fabric printing pre-treatment.
Another object of the present invention is to provide a kind of method for preparing above-mentioned nano-biological enzyme additive.
The composition of nano-biological enzyme additive of the present invention and content thereof (by mass percentage, down together) are: nano titanium oxide (TiO
2) be 0.1%～0.8%, biology enzyme is 10%～50%, shitosan is 0.1%～0.6%, methylcellulose is 0.1%～0.5%, and sodium metasilicate is 30%～50%, and magnesium sulfate is 5%～10%, dispersant is 0.03%～0.08%, and NaOH is 1%～10%, Yu Weishui.
The particle diameter of nano titanium oxide is preferably 10～40nm.Biology enzyme can adopt amylase, pectase and catalase, and amylase, pectase and catalatic content are preferably amylase 30%～40%, pectase 20%～50%, catalase 10%～50%.Dispersant is preferably silane coupler.Water preferably adopts deionized water.
The preparation method of nano-biological enzyme additive of the present invention may further comprise the steps:
1) dispersing nanometer titanium dioxide:
The a spot of water of adding in nano titanium oxide adds dispersant and disperses after stirring under 10～60 ℃ the condition, add shitosan again and continue to disperse, and the water that adds aequum then stirs, and gets the oyster white slurry, and is standby behind the homogeneous;
2) biology enzyme is compound:
Above-mentioned slurry is moved to the biological ripening reactor, and after adding the biology enzyme stirring under the condition of 38～68 ℃ of constant temperature, static slaking gets compound biology enzyme;
3) nano-biological enzyme additive is synthetic:
Adding sodium metasilicate and magnesium sulfate stir in compound biology enzyme, add methylcellulose again and continue to stir, and add NaOH then, adjust pH value to 13～14, get target product after filtration.
In the dispersing nanometer titanium dioxide step, under 10～60 ℃ condition, preferably stir 5～30min after adding entry, move to the high shear dispersion machine then and add dispersant, under the condition of 5000～20000rpm/min, disperse 10～60min; Slowly reduce revolution to 100～500rpm/min again, at normal temperatures, add shitosan and continue to disperse to stir.
In the composite steps of biology enzyme, describedly adding biology enzyme preferably adding amylase and pectase under the condition of 38～68 ℃ of constant temperature and 300～1000rpm/min under the condition of 38～68 ℃ of constant temperature, stir 30min, add catalase again and continue to stir 10～30min, static slaking 30～60min gets compound biology enzyme.
In the synthesis step of nano-biological enzyme additive, continue behind adding sodium metasilicate and magnesium sulfate and the methylcellulose to stir 30min, described filtration can be filtered through filter press.
The device for preparing nano-biological enzyme additive of the present invention mainly is made up of four parts such as nano material high shear dispersion machine, ecological slaking reaction still, thermostatic mixer and filter presses, it is the curing temperature control system that a kind of stirred tank and ecological slaking jar are integrated, include controllable valve between internal layer and the outer wall, and there are enough spaces to control required temperature by water, by the regulation and control of heating electronic devices and components, can guarantee required temperature constant temperature.Be provided with the stirring system and the mechanical system of transmission with it, being connected by the multiple spot chain can be interactive individually or simultaneously, be characterized in: stirred tank and ecological slaking jar are combined effectively, the slaking jar is located at the bottom of reactor, after stirring, the material that desire is processed enters the slaking state immediately, and synthetic after filter press filters discharge.
Compared with prior art, the outstanding advantage of nano-biological enzyme additive of the present invention and preparation method and device is:
1, the preparation method is simpler, processing ease, output quality stable homogeneous;
2, preparation facilities is more advanced, dispersion, stirring, slaking, the unification of homogeneous quadruple effect;
3, finishing agent is used more convenient, environmental protection, has simplified technological process, has reduced fibre damage, has improved the whiteness and the capillary effect of fabric, has reduced the consumption of chemical assistant, has reduced production cost.
4, the present invention substitutes traditional handicraft and the modern bleaching agent of forming than the clorox that uses in the advanced technologies, inferior oxygen acid sodium etc., the stabilizing agent that sodium chloride, sodium sulphate etc. are formed, the surfactant that the polyoxyethylene alkyl ether class is formed.Realize that thus workload reduces, simple to operate, working environment is pollution-free, reduces fabric damage, satisfies the fabric printing index, and discharge of wastewater satisfies the ecological, environmental protective production purpose of environmental requirement.The present invention can reach the specification requirement of dyeing and finishing pre-treatment and realize environmental protection production under the situation of not using caustic soda (NaOH) and other all kinds of chemical assistants.
The specific embodiment
Following examples will the present invention is further illustrated.
Embodiment 1
When preparation nano-biological enzyme additive of the present invention, can adopt following steps.
1. dispersing nanometer titanium dioxide:
The nano titanium oxide of getting the 0.1Kg particle diameter and be 25nm adds the 13.27Kg deionized water, under 30 ℃ condition, stir 10min, move to the high shear dispersion machine then, add 0.03Kg dispersant (silane coupler) and under the condition of 6000rpm/min, disperse 20min, slowly reduce revolution again to 100rpm/min, be cooled to normal temperature again, add the 0.1Kg shitosan and continue to disperse to stir, the deionized water and stirring that adds 20Kg again, resulting oyster white slurry is standby by the homogenizer homogeneous.
2. biology enzyme is compound:
Above-mentioned slurry is moved to the biological ripening reactor, specified constant temperature slowly adds 3Kg amylase, 2Kg pectase for 50 ℃ under the condition of 300rpm/min, stir 30min, add the 5Kg catalase again and continue to stir 15min, it is standby that static slaking 60min gets compound biology enzyme.
3. nano-biological enzyme additive is synthetic:
Adding 50Kg sodium metasilicate and 5Kg magnesium sulfate stir in compound biology enzyme, add the 0.5Kg methylcellulose and continue to stir 30min, add 1Kg NaOH again and adjust pH value to 13, through filter press, filter discharging through the electrostatic pulse recombiner again, promptly get the nano-biological enzyme additive product after synthesizing.
The physical index contrast (cotton, BLENDED FABRIC) of technology of the present invention and existing technology is referring to table 1, the discharge of wastewater test data contrast of technology of the present invention and existing technology is referring to table 2, and the expense of technology of the present invention and 100 meters fabrics of existing processes contrasts referring to table 3.
Table 1
| The contrast project | Existing technology | Technology of the present invention |
| Whiteness (W 10) | 75～80 | 80～86 |
| Capillary effect (cm/30min) warp-wise broadwise | ≤11.5 ≤11.5 | 12～16 12～16 |
| Ultimate strength (N) warp-wise broadwise | 300～500 300～500 | 300～500 300～500 |
Table 2
| Test event | Existing technology | Technology of the present invention |
| The pH value | 12～13 | 7～8 |
| Colourity | 64～52 | 15～30 |
| COD (mg/L) | 6.70×10 3 | 6.0×10 3 |
| CODcr five days biochemical aerobic (mg/L) | 1.53×10 3 | 1.21×10 3 |
| The total residual amount of BOD5 ammonia nitrogen (mg/L) suspended matter (mg/L) (mg/L) | 9.50～30.0 432～5.61×10 3 2.56×10 3 | 4.50～20.5 400～2.26×10 3 1.12×10 3 |
Table 3 (RMB)
| Expense item | Existing technology | Technology of the present invention |
| Chemicals takes | ≥5.1 | ≤4.8 |
| Water, electricity, vapour can expend | ≥9.4 | ≤4.0 |
| Labour cost | ≥0.46 | ≤0.2 |
| Sewage disposal expense | ≥0.77 | ≤0.1 |
| Depreciation cost | ≥1.35 | ≤0.2 |
| Add up to | ≥17.08 | ≤9.30 |
From the contrast of table 1～3 as can be seen; technology of the present invention and product have remarkable advantages to existing technology; not only can satisfy the process requirements of fabric pretreatment; simplify technological process, reduced fibre damage, improved the whiteness and the capillary effect of fabric; waste water environmental protection discharging; also can directly reduce production costs, energy savings is saved man-hour.In addition; because after using nano-biological enzyme additive of the present invention; needn't add caustic soda and various other chemical assistant again, can guarantee effectively not contain APEO any harmful chemical elements such as (alkylphenol polyoxyethylene) in the fabric, realize the production of textiles ecological, environmental protective.
Embodiment 2
Similar to Example 1, the nano titanium oxide of getting the 0.3Kg particle diameter and be 10nm adds the 17.12Kg deionized water, under 40 ℃ condition, stir 15min, move to the high shear dispersion machine then, add 0.08Kg dispersant (silane coupler) and under the condition of 10000rpm/min, disperse 10min, slowly reduce revolution again to 200rpm/min, be cooled to normal temperature again, adding the 0.4Kg shitosan continues to disperse to stir, the deionized water and stirring that adds 20Kg again, resulting oyster white slurry moves to the biological ripening reactor after by the homogenizer homogeneous, specified constant temperature slowly adds 8Kg amylase for 45 ℃ under the condition of 500rpm/min, the 10Kg pectase, stir 30min, add the 2Kg catalase again and continue to stir 20min, static slaking 50min gets compound biology enzyme, add 30Kg sodium metasilicate and 7Kg magnesium sulfate again, add the 0.1Kg methylcellulose and continue to stir 30min, add 5Kg NaOH and adjust pH value to 13.5, through filter press, filter discharging through the electrostatic pulse recombiner again, promptly get the nano-biological enzyme additive product after synthesizing.
Embodiment 3
Similar to Example 1, the nano titanium oxide of getting the 0.4Kg particle diameter and be 40nm adds the 10.95Kg deionized water, under 10 ℃ condition, stir 30min, move to the high shear dispersion machine then, add 0.05Kg dispersant (silane coupler) and under the condition of 15000rpm/min, disperse 30min, slowly reduce revolution again to 300rpm/min, be cooled to normal temperature again, adding the 0.2Kg shitosan continues to disperse to stir, the deionized water and stirring that adds 20Kg again, resulting oyster white slurry moves to the biological ripening reactor after by the homogenizer homogeneous, specified constant temperature slowly adds 8.75Kg amylase for 38 ℃ under the condition of 700rpm/min, 6.25Kg pectase, stir 30min, add the 10Kg catalase again and continue to stir 30min, static slaking 30min gets compound biology enzyme, add 32Kg sodium metasilicate and 8Kg magnesium sulfate again, add the 0.4Kg methylcellulose and continue to stir 30min, add 3Kg NaOH and adjust pH value to 14, through filter press, filter discharging through the electrostatic pulse recombiner again, promptly get the nano-biological enzyme additive product after synthesizing.
Embodiment 4
Similar to Example 1, the nano titanium oxide of getting the 0.6Kg particle diameter and be 30nm adds the 8.36Kg deionized water, under 50 ℃ condition, stir 20min, move to the high shear dispersion machine then, add 0.04Kg dispersant (silane coupler) and under the condition of 5000rpm/min, disperse 40min, slowly reduce revolution again to 400rpm/min, be cooled to normal temperature again, adding the 0.5Kg shitosan continues to disperse to stir, the deionized water and stirring that adds 24Kg again, resulting oyster white slurry moves to the biological ripening reactor after by the homogenizer homogeneous, specified constant temperature slowly adds 4.8Kg amylase for 45 ℃ under the condition of 500rpm/min, 3.45Kg pectase, stir 30min, add the 6.75Kg catalase again and continue to stir 20min, static slaking 50min gets compound biology enzyme, add 35Kg sodium metasilicate and 6Kg magnesium sulfate again, add the 0.5Kg methylcellulose and continue to stir 30min, add 10Kg NaOH and adjust pH value to 13.5, through filter press, filter discharging through the electrostatic pulse recombiner again, promptly get the nano-biological enzyme additive product after synthesizing.
Embodiment 5
Similar to Example 1, the nano titanium oxide of getting the 0.8Kg particle diameter and be 15nm adds the 11.24Kg deionized water, under 40 ℃ condition, stir 15min, move to the high shear dispersion machine then, add 0.06Kg dispersant (silane coupler) and under the condition of 10000rpm/min, disperse 10min, slowly reduce revolution again to 200rpm/min, be cooled to normal temperature again, adding the 0.6Kg shitosan continues to disperse to stir, the deionized water and stirring that adds 22Kg again, resulting oyster white slurry moves to the biological ripening reactor after by the homogenizer homogeneous, specified constant temperature slowly adds 7.5Kg amylase for 45 ℃ under the condition of 500rpm/min, 7.5Kg pectase, stir 30min, add the 5Kg catalase again and continue to stir 20min, static slaking 50min gets compound biology enzyme, add 33Kg sodium metasilicate and 10Kg magnesium sulfate again, add the 0.3Kg methylcellulose and continue to stir 30min, add 2Kg NaOH and adjust pH value to 13.5, through filter press, filter discharging through the electrostatic pulse recombiner again, promptly get the nano-biological enzyme additive product after synthesizing.
Embodiment 6
Similar to Example 1, the nano titanium oxide of getting the 0.1Kg particle diameter and be 20nm adds the 6.67Kg pure water, under 35 ℃ condition, stir 25min, move to the high shear dispersion machine then, add 0.03Kg dispersant (silane coupler) and under the condition of 8000rpm/min, disperse 25min, slowly reduce revolution again to 350rpm/min, be cooled to normal temperature again, adding the 0.1Kg shitosan continues to disperse to stir, the deionized water and stirring that adds 7Kg again, resulting oyster white slurry moves to the biological ripening reactor after by the homogenizer homogeneous, specified constant temperature slowly adds 15Kg amylase for 60 ℃ under the condition of 550rpm/min, the 10Kg pectase, stir 30min, add the 25Kg catalase again and continue to stir 20min, static slaking 50min gets compound biology enzyme, add 30Kg sodium metasilicate and 5Kg magnesium sulfate again, add the 0.1Kg methylcellulose and continue to stir 30min, add 1Kg NaOH and adjust pH value to 13.5, through filter press, filter discharging through the electrostatic pulse recombiner again, promptly get the nano-biological enzyme additive product after synthesizing.
Embodiment 7
Similar to Example 1, the nano titanium oxide of getting the 0.1Kg particle diameter and be 25nm adds the 13.27Kg pure water, under 50 ℃ condition, stir 20min, move to the high shear dispersion machine then, add 0.03Kg dispersant (silane coupler) and under the condition of 6000rpm/min, disperse 35min, slowly reduce revolution again to 450rpm/min, be cooled to normal temperature again, adding the 0.1Kg shitosan continues to disperse to stir, the deionized water and stirring that adds 20Kg again, resulting oyster white slurry moves to the biological ripening reactor after by the homogenizer homogeneous, specified constant temperature slowly adds 4Kg amylase for 45 ℃ under the condition of 550rpm/min, the 5Kg pectase, stir 30min, add the 1Kg catalase again and continue to stir 20min, static slaking 50min gets compound biology enzyme, add 50Kg sodium metasilicate and 5Kg magnesium sulfate again, add the 0.5Kg methylcellulose and continue to stir 30min, add 1Kg NaOH and adjust pH value to 13.5, through filter press, filter discharging through the electrostatic pulse recombiner again, promptly get the nano-biological enzyme additive product after synthesizing.
The technique for applying and the consumption of nano-biological enzyme additive of the present invention are described below.
Can adopt dipping during application or pad in two kinds of technologies any one:
1, on overflow dyeing machine or impregnating mangle, adopt the textile impregnation treatment process:
Consumption: nano-biological enzyme additive of the present invention is 2%～5%; Hydrogen peroxide (30%) 6%～10%;
Bath raio: 1: 10 or 1: 15;
Technology:---------stirring,---------hot water wash---cold wash---is cleaned out cloth to time 20～45min to 95～105 ℃ of boiling-off temperature to add hydrogen peroxide to add nano-biological enzyme additive of the present invention in water inlet.
2, adopting fabric to pad treatment process on the long vehicle continuously:
Consumption: nano-biological enzyme additive 20～30g/L of the present invention; Hydrogen peroxide (30%) 20～30g/L;
Technology: the water inlet---add nano-biological enzyme additive of the present invention---add hydrogen peroxide---stir---98～105 ℃ of boiling-off temperature---pick-up 80%～90%---time 30～60min (or under 98～105 ℃ of conditions thermal reactor 30～60min)---hot water wash---Warm Wash---is cleaned out cloth.
Claims (7)
1. nano-biological enzyme additive, it is characterized in that its composition and by mass percentage content be: nano titanium oxide is 0.1%～0.8%, biology enzyme is 10%～50%, shitosan is 0.1%～0.6%, and methylcellulose is 0.1%～0.5%, and sodium metasilicate is 30%～50%, magnesium sulfate is 5%～10%, dispersant is 0.03%～0.08%, and NaOH is 1%～10%, Yu Weishui;
Described biology enzyme is amylase, pectase and catalase, and amylase, pectase and catalatic content are amylase 30%～40%, pectase 20%～50%, catalase 10%～50% by mass percentage;
Described dispersant is a silane coupler.
2. nano-biological enzyme additive as claimed in claim 1, the particle diameter that it is characterized in that nano titanium oxide is 10～40nm.
3. nano-biological enzyme additive as claimed in claim 1 is characterized in that the hydromining deionized water.
4. as the preparation method of the described nano-biological enzyme additive of claim 1～3, it is characterized in that may further comprise the steps:
1) dispersing nanometer titanium dioxide: in nano titanium oxide, add entry, after stirring under 10～60 ℃ the condition, add dispersant and disperse, add shitosan again and continue to disperse, add water then and stir, get the oyster white slurry, standby behind the homogeneous;
2) biology enzyme is compound: above-mentioned slurry is moved to the biological ripening reactor, and after adding the biology enzyme stirring under the condition of 38～68 ℃ of constant temperature, static slaking gets compound biology enzyme;
3) synthesizing of nano-biological enzyme additive: adding sodium metasilicate and magnesium sulfate stir in compound biology enzyme, add methylcellulose again and continue to stir, and add NaOH then, adjust pH value to 13～14, get target product after filtration.
5. the preparation method of nano-biological enzyme additive as claimed in claim 4 is characterized in that in the dispersing nanometer titanium dioxide step, and the described time of stirring under 10～60 ℃ condition is 5～30min; Described dispersion is to disperse 10～60min in the high shear dispersion machine under the condition of 5000～20000rpm/min; Slowly reduce revolution to 100～500rpm/min again, at normal temperatures, add shitosan and continue to disperse to stir.
6. the preparation method of nano-biological enzyme additive as claimed in claim 4, it is characterized in that in the composite steps of biology enzyme, described is to add amylase and pectase under the condition of 38～68 ℃ of constant temperature and 300～1000rpm/min adding biology enzyme under the condition of 38～68 ℃ of constant temperature, stir 30min, add catalase again and continue to stir 10～30min, static slaking 30～60min gets compound biology enzyme.
7. the preparation method of nano-biological enzyme additive as claimed in claim 4 is characterized in that in the synthesis step of nano-biological enzyme additive, continues behind adding sodium metasilicate and magnesium sulfate and the methylcellulose to stir 30min, and described filtration is filtered through filter press.
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| CNB2007100085137A CN100436702C (en) | 2007-01-30 | 2007-01-30 | Nano-biological enzyme additive and device and method for making same |
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| CN100436702C true CN100436702C (en) | 2008-11-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101736583B (en) * | 2009-12-18 | 2012-07-25 | 东华大学 | Method for preparing chitin size modified by biological enzyme method |
| CN103669008A (en) * | 2012-09-20 | 2014-03-26 | 上海茶玫新材料科技有限公司 | Biochemical integrated pretreatment agent |
| CN103331178B (en) * | 2013-06-17 | 2015-11-18 | 上海鼎利化工有限公司 | A kind of dyeing waste water regeneration Catalysts and its preparation method and application |
| CN107687098A (en) * | 2017-08-02 | 2018-02-13 | 无锡嘉加科技有限公司 | A kind of preparation method of the concise polishing complex enzyme of neutrality |
| CN107653686A (en) * | 2017-08-02 | 2018-02-02 | 无锡嘉加科技有限公司 | A kind of preparation method of desizing refining complex enzyme |
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| JPH06341067A (en) * | 1993-04-12 | 1994-12-13 | Osaka Prefecture | Processing agent for fiber structure and processing process |
| EP0801165A2 (en) * | 1996-04-13 | 1997-10-15 | CHT R. BEITLICH GmbH | Pretreatment of textiles |
| CN1148479C (en) * | 2000-08-11 | 2004-05-05 | 青岛大学 | Pretreating biological enzyme process for natural cellulosic fibre |
| CN1206401C (en) * | 2002-12-10 | 2005-06-15 | 江南大学 | Pre-treatment process of cotton or cotton/polyester fabric before intermittent dipping of bioenzyme |
| CN1223728C (en) * | 2003-10-02 | 2005-10-19 | 江南大学 | Full-cotton woven fabric amylase, pectinase, proteinase continuous padding-decatizing pretreatment process |
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| JPH06341067A (en) * | 1993-04-12 | 1994-12-13 | Osaka Prefecture | Processing agent for fiber structure and processing process |
| EP0801165A2 (en) * | 1996-04-13 | 1997-10-15 | CHT R. BEITLICH GmbH | Pretreatment of textiles |
| CN1148479C (en) * | 2000-08-11 | 2004-05-05 | 青岛大学 | Pretreating biological enzyme process for natural cellulosic fibre |
| CN1206401C (en) * | 2002-12-10 | 2005-06-15 | 江南大学 | Pre-treatment process of cotton or cotton/polyester fabric before intermittent dipping of bioenzyme |
| CN1223728C (en) * | 2003-10-02 | 2005-10-19 | 江南大学 | Full-cotton woven fabric amylase, pectinase, proteinase continuous padding-decatizing pretreatment process |
| CN1236135C (en) * | 2004-06-02 | 2006-01-11 | 东华大学 | Cellulose fibre, textile assistant for union biochemical pretreatment, perparing method and use |
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