CN101538797B - Finishing method of biological enzyme in wood fiber fabrics - Google Patents
Finishing method of biological enzyme in wood fiber fabrics Download PDFInfo
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- CN101538797B CN101538797B CN200910022108XA CN200910022108A CN101538797B CN 101538797 B CN101538797 B CN 101538797B CN 200910022108X A CN200910022108X A CN 200910022108XA CN 200910022108 A CN200910022108 A CN 200910022108A CN 101538797 B CN101538797 B CN 101538797B
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- pectase
- cellulase
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Abstract
The invention relates to a finishing method of biological enzyme in wood fiber fabrics, which is characterized in that a nonionic wetting agent is adopted for preliminary treatment, cellulase and pectase are added for enzyme treatment, and finally, hot water is used for inactivation and washing. By adopting the method, the fabrics containing wood fibers have smooth and fluffy hand feelings, the service performance thereof is greatly improved, and the water absorption performance of the fabrics is further improved; since the cellulase and the pectase are used as finishing agents, chemical pollution can not be caused in production, hazardous substances can not remain in the fabrics, and the cellulase and the pectase can degrade after being discharged in an environment and can not pollute the environment, thereby the finishing method belongs to an environment friendly afterfinish technology. Through detection, after the treatment by the method, the water absorption performance of the wood fiber fabrics is improved by more than 34%, the strength damage is within 10%, the drapability, the white content and the pliability are obviously improved, and the improved magnitude is more than 30%.
Description
Technical field
The invention belongs to finishing technique field behind the fabric, be specifically related to utilize cellulase and pectase to improve the method for wood fiber fabrics performance.
Background technology
Xylon, claim wood fibre (Wood Fiber) again, its product is one of string of current international popular, and it adopts the natural pollution-free America fallen leaves trees birches (birches) of 2～3 years fast growing period is raw material, through pulverizing, extract fiber again and make with after thermophilic digestion becomes wood pulp.Xylon is the part of trees xylem, it has very strong holding power, and its degree of being of close texture and pliability all reach optimum state, because of wooden inborn sponginess and transmission property is arranged, so wood fiber product can freely absorb and transpiring moisture, has extremely strong water imbibition and oil extraction dirt-removing power.Particularly absorbent ventilate is better than traditional cotton fabric and other string, and towel, bath towel, the socks product produced with it have unique " wicking " effect.
The pure natural wood fiber product is the achievement of modern high technology.Xylon is rejected the sugar in the timber and fat part through special technique and production technology, and sophistication is eradicated the static reaction of material.It does not contain any chemical addition component, and also without any chemical constituent, the same with cotton is 100% green product in the whole sewing work production process.Because xylon does not contain sugar and fat makes it have natural antibiotic health care, remove peculiar smell and self-cleaning function, the hardening of not hardening is real pure green health product.
Wood fiber product has the water absorbing properties more superior than cotton fiber, permeability, has natural antibiotic health care simultaneously, removes advantages such as peculiar smell, self-cleaning function.But xylon knitted fabric quality with respect to the cotton fiber knitted fabric is harder, if as human daily washing, daily necessities, very hard with contacting of skin, sense of touch is relatively poor, and the result causes the scope of application of this high-quality natural fibre product to be restricted.
By retrieval, yet there are no handlebar cellulase and pectase and be applied to the patent report put in order behind the wood fiber fabrics and technology report.
Summary of the invention
At the existing defective of wood fiber fabrics, the purpose of this invention is to provide a kind of rear finishing duplex process that contains wood fiber fabrics with cellulase and pectase, by can not only further improving the water absorbing properties of wood fiber fabrics after the method processing, improve its thick and stiff quality, make it have smooth, fluffy, soft hand feeling, and this method can not cause the residual and environmental pollution of nuisance.
The finishing method of biological enzyme that contains wood fiber fabrics that the present invention proposes, include four steps of deactivation washing of pre-treatment, cellulose treatment, pectase processing, enzyme, it is characterized in that: described pre-treatment is to adopt nonionic wetting agent (as JFC or paregal O etc.), 40～60 ℃ of water temperatures, the bath raio of solution and fabric is 15～10: 1,10～20 minutes time; Then add cellulose treatment, the cellulase consumption is 100,000 u/L～200,000 u/L, and degradation treatment is 10～15 minutes under pH value 5.0～6.0,40～50 ℃ of conditions of temperature; Add pectase again and handle, the pectase consumption is 100,000 u/L～300,000 u/L, and degradation treatment is 25～45 minutes under pH value 5.0～6.0,45～55 ℃ of conditions of temperature; With 60～80 ℃ of water wood fiber fabrics is washed by 20～15: 1 bath raio at last, to reach the purpose of deactivation and removal enzyme preparation.
The present invention contains the finishing method of biological enzyme of wood fiber fabrics, also can adopt three steps of deactivation washing of pre-treatment, cellulase and pectase processing, enzyme, it is characterized in that: after described pre-treatment is finished, cellulase and pectase are mixed the adding processing, and degradation treatment is 25～60 minutes under 40～50 ℃ of conditions of temperature; Carry out the deactivation washing of enzyme at last.Described enzyme dosage and pH value are as hereinbefore.
By the comparison of two kinds of processing methods, four step of discovery treatment effects are effective than the three-step approach processing.
Among the present invention, treatment temperature and time relation are when bath raio is identical: the temperature height, and the processing time is short relatively; Temperature is low, and the processing time is long relatively.And when bath raio was big, treatment temperature was just low or the processing time is short relatively; Bath raio hour, treatment temperature is long relatively with regard to height or processing time.
The described fabric that contains xylon can be the BLENDED FABRIC of pure wood fiber fabrics or xylon and cotton fiber or the BLENDED FABRIC of xylon and other fibers.
The present invention adopts cellulase and pectase to carry out enzyme in the back arrangement process of wood fiber fabrics and handles, and mainly is the principle of utilizing cellulase that xylon degraded and pectase are degraded to pectic substance.Cellulase is the general name that the energy hydrocellulose is generated the class of enzymes of cellobiose and glucose, wherein contains C
1Enzyme, Cx enzyme and β-1, the 4-dextranase.C in the cellulase
1The enzymatic degradation native cellulose becomes the straight chain cellulose, and the straight chain cellulose is become cellobiose with the cellulose of handling by the Cx enzymatic degradation, and again by β-1, the 4-dextranase is degraded into glucose.The present invention uses the selectivity of cellulase just, makes the cellulose long-chain structural degradation become the short chain structure, perhaps makes the degraded of fiber side chain and fiber ends, and its physical property is changed.Therefore, the part-structure of fiber changes after cellulose treatment, thereby has changed fabric property, makes its smooth surface, and is soft, has stronger water imbibition.Simultaneously, contain pectic substance in the xylon, its existence influences the water absorbing properties of fabric, and the water imbibition of the high more fabric of its content is poor more.The present invention utilizes pectase pectic substance to be had the selectivity characteristics of degraded, with pectase wood fiber fabrics is handled, the abundant pectic substance in the degraded xylon makes it form water-soluble glucide and is removed, thereby further improves the water absorbing properties of fabric.
By as can be seen above-mentioned, the present invention has the following advantages: the present invention makes fabric have smooth, fluffy feel, has improved its serviceability greatly; Further improved the water absorbing properties of fabric; Cellulase and pectase are as finishing agent, and these two kinds of metabolites that enzyme preparation is safe microorganism can not bring chemical contamination in the production, more can not cause in the fabric nuisance residual, but self degrade in the discharging environment, do not pollute the environment, belong to the postfinishing process of environmental protection fully.After testing, the result after employing the present invention handles: the wood fiber fabrics water absorbing properties improves more than 34%, and strength damage is within 10%, and drapability, whiteness and flexibility are significantly improved, and increase rate is all more than 30%.
The specific embodiment
Below the present invention will be further described with instantiation.Agents useful for same in the example, cellulase are the faintly acid cellulase that Wuxi bio-engineering corporation of outstanding energy section produces, specification 20,000 u/g; Pectase is the pectase that the Tianjin magnificent enzyme preparation of profit technology company produces, specification 100,000 u/g.
Example 1, xylon towel specification: 26 * 26cm
2
The above-mentioned fabrics of 10kg is inserted industry washer, add 0.2kg wetting agent jfc solution in 50 ℃, bath raio 12: 1 is moved 15 minutes; Then add the 0.9kg cellulase and handle, 45 ℃ of temperature, with acetic acid-sodium acetate adjust pH to 5.5, the time is 12min; Add the 0.24kg pectase again and handle, 50 ℃ of temperature, adjust pH to 5.5, the time is 35min.Use hot wash at last, temperature is 70 ℃, and the time is 20min, and bath raio 18: 1 goes out cylinder, dehydration, oven dry.
The result: the treatment samples ultimate strength is 218.4N (contrast 231.6N), suspended coefficient 35.29% (contrast 55.83%), capillary effect 14.6cm/30min (contrast 9.6cm/30min), whiteness 68% (contrast 44%), bending coefficient 1.41% (contrast 2.37%).
By test result, capillary effect reflection water absorbing properties, water absorbing properties and whiteness have improved 52% and 54% respectively; Bending coefficient reflection softness, bending coefficient and suspended coefficient are the smaller the better, and draping property and flexibility have improved 37% and 41% respectively; Brute force a little a bit descends, but does not influence the serviceability of product.
Example 2, xylon towel specification: 26 * 26cm
2
The above-mentioned fabrics of 10kg is inserted industry washer, add 0.2kg wetting agent jfc solution in 50 ℃, bath raio 13: 1 is moved 15 minutes; Add 0.9kg cellulase and 0.24kg pectase and handle, 50 ℃ of temperature, with acetic acid-sodium acetate adjust pH to 5.5, the time is 45min; Use hot wash at last, temperature is 70 ℃, and the time is 20min, and bath raio 18: 1 goes out cylinder, dehydration, oven dry.
The result: the treatment samples ultimate strength is 218.5N (contrast 230.8N), suspended coefficient 38.89% (contrast 55.83%), capillary effect 13.1cm/30min (contrast 9.8cm/30min), whiteness 58% (contrast 44%), bending coefficient 1.52% (contrast 2.34%).
By test result, capillary effect reflection water absorbing properties, water absorbing properties and whiteness have improved 34% and 32% respectively; Bending coefficient reflection softness, bending coefficient and suspended coefficient are the smaller the better, and draping property and flexibility have improved 30% and 35% respectively; Brute force a little a bit descends, but does not influence the serviceability of product.
By example 1 and example 2 as can be seen, under the essentially identical condition of enzyme treatment conditions, adopt four step processing method effects to adopt three step processing methods effective, particularly water imbibition and whiteness are obvious especially.
Example 3, xylon towel specification: 30 * 60cm
2
The above-mentioned fabrics of 10kg is inserted industry washer, add 0.1kg wetting agent peregal 0 solution in 40 ℃, bath raio 10: 1 is moved 10 minutes; Then add the 0.5kg cellulase and handle, 40 ℃ of temperature, with acetic acid-sodium acetate adjust pH to 5.0, the time is 10min; Add the 0.45kg pectase again and handle, 45 ℃ of temperature, adjust pH to 5.0, the time is 25min; Use hot wash at last, temperature is 60 ℃, and the time is 15min, and bath raio 15: 1 goes out cylinder, dehydration, oven dry.
The result: the treatment samples ultimate strength is 205.4N (contrast 218.6N), suspended coefficient 30.48% (contrast 47.45%), capillary effect 13.9cm/30min (contrast 9.8cm/30min), whiteness 63% (contrast 42%), bending coefficient 1.54% (contrast 2.39%).
By test result, capillary effect reflection water absorbing properties, water absorbing properties and whiteness have improved 42% and 50% respectively; Bending coefficient reflection softness, bending coefficient and suspended coefficient are the smaller the better, and draping property and flexibility have improved 36% and 36% respectively; Brute force a little a bit descends, but does not influence the serviceability of product.
Example 4, wood fiber fabrics specification: fabric tissue is a plain weave
The above-mentioned fabrics of 10kg is inserted industry washer, add 0.45kg wetting agent jfc solution in 60 ℃, bath raio 15: 1 is moved 20 minutes; Then add the 1.50kg cellulase and handle, 50 ℃ of temperature, with acetic acid-sodium acetate adjust pH to 6.0, the time is 15min; Add the 0.1kg pectase again and carry out 55 ℃ of treatment temperatures, adjust pH to 6.0, the time is 45min; Use hot wash at last, temperature is 80 ℃, and the time is 25min, and bath raio 20: 1 goes out cylinder, dehydration, oven dry.
The result: the treatment samples ultimate strength is 272.9N (contrast 289.5N), suspended coefficient 40.49% (contrast 58.83%), capillary effect 13.5cm/30min (contrast 9.9cm/30min), whiteness 46% (contrast 69%), bending coefficient 1.63% (contrast 2.41%).
By test result, capillary effect reflection water absorbing properties, water absorbing properties and whiteness have improved 36% and 33% respectively; Bending coefficient reflection softness, bending coefficient and suspended coefficient are the smaller the better, and draping property and flexibility have improved 31% and 32% respectively; Brute force a little a bit descends, but does not influence the wearability of product.Simultaneously as can be seen because the tight treatment effect of woven fabric structure is poor slightly with respect to the knitted fabric effect.
Claims (1)
1. finishing method of biological enzyme that contains wood fiber fabrics, include the step of pre-treatment and enzyme-deactivating washing, it is characterized in that: described pre-treatment is to adopt the nonionic wetting agent, 40～60 ℃ of water temperatures, the bath raio of solution and fabric is 15～10: 1,10～20 minutes processing times; Then add cellulase degradation treatment 10～15 minutes under pH value 5.0～6.0,40～50 ℃ of conditions of temperature; Add pectase degradation treatment 25～45 minutes under pH value 5.0～6.0,45～55 ℃ of conditions of temperature again; With 60～80 ℃ of water wood fiber fabrics is washed by 20～15: 1 bath raio at last; Described cellulase consumption is 100,000 u/L～200,000 u/L, and the pectase consumption is 100,000 u/L～300,000 u/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910022108XA CN101538797B (en) | 2009-04-20 | 2009-04-20 | Finishing method of biological enzyme in wood fiber fabrics |
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| CN200910022108XA CN101538797B (en) | 2009-04-20 | 2009-04-20 | Finishing method of biological enzyme in wood fiber fabrics |
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| CN101538797A CN101538797A (en) | 2009-09-23 |
| CN101538797B true CN101538797B (en) | 2011-04-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102990750B (en) * | 2012-10-25 | 2015-01-14 | 青岛华辰中小企业创新创业服务有限公司 | Preparation method of wood fiber used for towels |
| CN102995474B (en) * | 2012-10-25 | 2015-04-29 | 郭荣才 | Wood fiber used for towels |
| CN106149373A (en) * | 2016-08-02 | 2016-11-23 | 长兴德诚纺织有限公司 | The ventilative super pendency finishing technique of the height of a kind of bafta |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267841B1 (en) * | 1992-09-14 | 2001-07-31 | Steven W. Burton | Low energy thermomechanical pulping process using an enzyme treatment between refining zones |
| CN1718912A (en) * | 2005-07-14 | 2006-01-11 | 沙洲职业工学院 | Immersion method bioenzyme pretreatment technology of hemp and its cospinned fabric |
| CN101215718A (en) * | 2008-01-08 | 2008-07-09 | 刘俊巧 | Biological enzyme degumming method for tree bast fibre |
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2009
- 2009-04-20 CN CN200910022108XA patent/CN101538797B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267841B1 (en) * | 1992-09-14 | 2001-07-31 | Steven W. Burton | Low energy thermomechanical pulping process using an enzyme treatment between refining zones |
| CN1718912A (en) * | 2005-07-14 | 2006-01-11 | 沙洲职业工学院 | Immersion method bioenzyme pretreatment technology of hemp and its cospinned fabric |
| CN101215718A (en) * | 2008-01-08 | 2008-07-09 | 刘俊巧 | Biological enzyme degumming method for tree bast fibre |
Non-Patent Citations (1)
| Title |
|---|
| 赵文娟等.木纤维织物的复合酶整理.《印染》.2008,(第9期),18-19. * |
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