CN103243540B - Bio-enzyme pretreatment method of ramie fabric - Google Patents
Bio-enzyme pretreatment method of ramie fabric Download PDFInfo
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- CN103243540B CN103243540B CN201310205414.3A CN201310205414A CN103243540B CN 103243540 B CN103243540 B CN 103243540B CN 201310205414 A CN201310205414 A CN 201310205414A CN 103243540 B CN103243540 B CN 103243540B
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Abstract
The invention discloses a bio-enzyme pretreatment method of a ramie fabric, which comprises the steps of boiling and bleaching, water washing and drying, wherein in the boiling and bleaching step, a ramie fabric is added into a boiling and bleaching solution to carry out boiling and bleaching, wherein the mass ratio of the ramie fabric to the boiling and bleaching solution is 1:10-1:20, the temperature is controlled at 50-60 DEG C, the treatment time is 30-90 minutes, and the boiling and bleaching solution is prepared from the following components in percentage by weight: 2-4% of composite bio-enzyme, 6.5-8.5% of hydrogen peroxide, 1-2% of tetraacetyl ethylenediamine, 0.1-0.3% of cetyl betaine, 0.1-0.3% of potassium chloride and the balance of water. By performing desizing and bleaching in the same bath, the invention has the advantages of mild treatment conditions, small damage to fabrics, and short treatment time.
Description
Technical field
The present invention relates to a kind of fabric pretreatment method, particularly relate to a kind of Bio-enzyme pretreatment method of ramie fabric.
Background technology
Ramie fabric take ramee as the fabric that raw material is made.There is moisture absorption to fall apart wet fast, good luster, very refreshing ventilative characteristic, be suitable for and make summer clothes, sheet, bed clothes, mosquito net and handkerchief etc.Often there are bead, tufted yarn in ramie fabric surface, forms mannerism.The fracture strength of ramie fabric is very high, and wet strong outstanding high, elongation at break is minimum, and after meeting water, fiber is better bloating tendency, is suitable for national defence and the industrial or agricultural cloth of making particular/special requirement, as the Ji Bu, cartridge belt, rotary hose etc. of ribbon tape, filter cloth, card-clothing.
Existing ramie fabric pre-treatment, generally includes above-mentioned destarch and blanching step, and each step is consuming time longer, and energy consumption is larger.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention is to provide a kind of Bio-enzyme pretreatment method of ramie fabric, and destarch and blanching step one step complete.
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of Bio-enzyme pretreatment method of ramie fabric, comprise kiering bleaching, washing and baking step, described kiering blanching step is:
Added by ramie fabric in kiering bleaching liquid and carry out kiering bleaching, the mass ratio of ramie fabric and described kiering bleaching liquid is 1:10-1:20, and control temperature is at 50-60 DEG C, and the processing time is 30-90 minute;
Described kiering bleaching liquid, is made up of following compositions in weight percentage: compound biological enzyme 2-4%, hydrogen peroxide 6.5-8.5%, tetraacetyl ethylene diamine 1-2%, cetyl betaine 0.1-0.3%, potassium chloride 0.1-0.3%, and surplus is water
Described compound biological enzyme, is made up of by weight following component: cutinase 10-20 part, alkaline pectase 30-50 part, Isosorbide-5-Nitrae-Β-D-Glucose-4-glucoside hydrolase 10-20 parts, laccase 20-40 part.
Concrete, in the inventive solutions:
Cutinase, Cutinase, EC3.1.1.74, be that a kind of ester bond that can destroy cutin polymer molecules makes the outer induced hydrolysis enzyme of its born of the same parents being hydrolyzed to monomer and Small molecular oligomer, belong to serine easterase.Cutinase both can the ester bond of the insoluble polymer Plant Cuticular of catalyzing hydrolysis, and also can act on other long-chain, short-chain aliphatic ester, the triglycerides of emulsification and the synthetic ester etc. of solubility, be a kind of multi-functional lyases.
Alkaline pectase is a kind of biological enzyme formulation, can be used for come unstuck pretreatment and the boiling-off additive of textile fabric.Alkaline-resisting, can use under alkaline environment, have good place to go to act on to inoglia, and less to native cellulose fibre damage, fiber can be kept to have good physical property.Alkaline pectase Biopmp3000L (Novozymes Company, enzyme activity 3000U/mL) can be selected in the present invention.
Isosorbide-5-Nitrae-Β-D-Glucose-4-glucoside hydrolase, CAS accession number: 9012-54-8, EINECS accession number: 232-734-4, English name: Isosorbide-5-Nitrae-[1,3:1,4]-BETA-D-GLUCAN4-GLUCANO-HYDROLASE.
Laccase, English name: Laccase, CAS number: 80498-15-3, EINECS accession number: 420-150-4.Laccase is copper-containing metal enzyme, has four copper atoms in each laccase molecule.The typical reaction of laccase is oxidation phenolic compound, along with reducing molecular oxygen Cheng Shui in course of reaction.In the catalytic oxidation process of laccase, substrate loses an electronics and forms free radical, and unstable free radical can participate in the oxygenation reaction of Laccase Catalyzed or non-enzymatic reaction, further as hydration reaction, polymerisation.
Cetyl betaine, CETYL BETAINE, 693-33-4.。
The present invention adopts complex enzyme-oxygen technique to carry out pre-treatment, utilize respective synergy and biocompatibility each other, adopt cutinase, alkaline pectase, Isosorbide-5-Nitrae-Β-D-Glucose-4-glucoside hydrolase and laccase four kinds of composite uses of biology enzyme, produce synergistic function; Further, potassium chloride plays activation to this compound biological enzyme, adding of preferred amphoteric surfactant cetyl betaine, more plays further synergistic effect to enzyme.
Relative to prior art, the advantage major embodiment of technical solution of the present invention is:
The present invention adopts compound biological enzyme to carry out with bath destarch and bleaching to ramie fabric, and treatment conditions are gentle, little to fabric damage, and technological process is short.
Detailed description of the invention
Ramie fabric, initial whiteness is 44.8%.
Embodiment 1
(1) preparation of compound biological enzyme
Take cutinase 15 weight portion, alkaline pectase 40 weight portion, Isosorbide-5-Nitrae-Β-D-Glucose-4-glucoside hydrolase 15 weight portion and laccase 30 weight portion, be uniformly mixed, be i.e. this compound biological enzyme obtained.
(2) preparation of kiering bleaching liquid
Under room temperature, compound biological enzyme, hydrogen peroxide, tetraacetyl ethylene diamine, cetyl betaine and potassium chloride are added to the water, are uniformly mixed, obtained kiering bleaching liquid,
Described kiering bleaching liquid, is made up of following compositions in weight percentage: described compound biological enzyme 3%, hydrogen peroxide 7.5%, tetraacetyl ethylene diamine 1.5%, cetyl betaine 0.2%, potassium chloride 0.2%, and surplus is water.
(3) with bath kiering bleaching
Added by ramie fabric in kiering bleaching liquid and carry out kiering bleaching, the mass ratio of ramie fabric and kiering bleaching liquid is 1:15, and control temperature is at 55 DEG C, and dip time is 60 minutes.
(4) adopt conventional method washing, dry.
Comparative example 1
(1) preparation of kiering bleaching liquid
Under room temperature, compound biological enzyme, hydrogen peroxide, tetraacetyl ethylene diamine, penetrating agent JFC and the potassium chloride embodiment 1 prepared are added to the water, be uniformly mixed, obtained kiering bleaching liquid, described kiering bleaching liquid, be made up of following compositions in weight percentage: described compound biological enzyme 3%, hydrogen peroxide 7.5%, tetraacetyl ethylene diamine 1.5%, penetrating agent JFC 0.2%, potassium chloride 0.2%, surplus is water.
(2) with bath kiering bleaching
Added by ramie fabric in kiering bleaching liquid and carry out kiering bleaching, the mass ratio of ramie fabric and kiering bleaching liquid is 1:15, and control temperature is at 55 DEG C, and dip time is 60 minutes.
(3) adopt conventional method washing, dry.
Comparative example 2
(1) preparation of kiering bleaching liquid
Under room temperature, AMS, hydrogen peroxide, tetraacetyl ethylene diamine, cetyl betaine and potassium chloride are added to the water, are uniformly mixed, obtained kiering bleaching liquid,
Described kiering bleaching liquid, is made up of following compositions in weight percentage: AMS 3%, hydrogen peroxide 7.5%, tetraacetyl ethylene diamine 1.5%, cetyl betaine 0.2%, potassium chloride 0.2%, and surplus is water.
(2) with bath kiering bleaching
Added by ramie fabric in kiering bleaching liquid and carry out kiering bleaching, the mass ratio of ramie fabric and kiering bleaching liquid is 1:15, and control temperature is at 55 DEG C, and dip time is 60 minutes.
(3) adopt conventional method washing, dry.
Test case 1
Test the ramie fabric after the process of embodiment 1, comparative example 1 and comparative example 2, concrete data see the following form.
Ramie fabric performance test table
| Destarch rate, % | Whiteness, % | Strength retention, % | |
| Embodiment 1 | 92.4 | 82.6 | 94 |
| Comparative example 1 | 87.2 | 77.5 | 93 |
| Comparative example 2 | 86.5 | 75.8 | 93 |
Destarch rate represents that a basic technical indicator of degree removed by textile sizing material, available following formulae discovery:
Destarch rate=[before (before destarch after fabric sizing percentage-destarch fabric sizing percentage)/destarch fabric sizing percentage] × 100%.
With Elmendorf Tear tester test strength retention.One is of a size of the test sample two ends clamping of 6.5cm × 10cm, the otch of a 2cm is vertically cut at position therebetween, tearing to the maximum grams shown by this point of 4.5cm place measurement, measure 3 times, average, and with the measured value of this mean value divided by undressed sample, its quotient is strength retention.Strength retention is larger, illustrates that the damage of this operation to fabric is less.
The present invention adopts compound biological enzyme to carry out with bath destarch and bleaching ramie fabric, and treatment conditions are gentle, little to fabric damage, environmental friendliness, and technological process is short only needs 30-90 minute, saves energy consumption; Fabric softness after process is high, good hand touch, and dye penetration, level-dyeing property significantly improve.
Claims (1)
1. a Bio-enzyme pretreatment method of ramie fabric, comprise kiering bleaching, washing and baking step, it is characterized in that, described kiering blanching step is:
Added by ramie fabric in kiering bleaching liquid and carry out kiering bleaching, the mass ratio of ramie fabric and described kiering bleaching liquid is 1:10-1:20, and control temperature is at 50-60 DEG C, and the processing time is 30-90 minute;
Described kiering bleaching liquid, is made up of following compositions in weight percentage: compound biological enzyme 2-4%, hydrogen peroxide 6.5-8.5%, tetraacetyl ethylene diamine 1-2%, cetyl betaine 0.1-0.3%, potassium chloride 0.1-0.3%, and surplus is water;
Described compound biological enzyme, is made up of by weight following component: cutinase 10-20 part, alkaline pectase 30-50 part, Isosorbide-5-Nitrae-Β-D-Glucose-4-glucoside hydrolase 10-20 parts, laccase 20-40 part.
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| CN103243540B true CN103243540B (en) | 2015-04-29 |
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Citations (5)
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| CN1048409A (en) * | 1989-06-28 | 1991-01-09 | 武汉大学 | New process for rapid biodegumming of ramie |
| CN101130894A (en) * | 2007-09-27 | 2008-02-27 | 江苏紫荆花纺织科技股份有限公司 | Method for degumming jute by using complex enzyme |
| CN102191692A (en) * | 2011-04-01 | 2011-09-21 | 东华大学 | Cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics |
| CN102505502A (en) * | 2011-09-23 | 2012-06-20 | 安徽工程大学 | Short-process dyeing pretreatment technology for ramee |
| CN102587121A (en) * | 2012-02-09 | 2012-07-18 | 武汉新华扬生物股份有限公司 | Solid low-temperature pretreatment compound preparation |
-
2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048409A (en) * | 1989-06-28 | 1991-01-09 | 武汉大学 | New process for rapid biodegumming of ramie |
| CN101130894A (en) * | 2007-09-27 | 2008-02-27 | 江苏紫荆花纺织科技股份有限公司 | Method for degumming jute by using complex enzyme |
| CN102191692A (en) * | 2011-04-01 | 2011-09-21 | 东华大学 | Cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics |
| CN102505502A (en) * | 2011-09-23 | 2012-06-20 | 安徽工程大学 | Short-process dyeing pretreatment technology for ramee |
| CN102587121A (en) * | 2012-02-09 | 2012-07-18 | 武汉新华扬生物股份有限公司 | Solid low-temperature pretreatment compound preparation |
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| Title |
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| 棉织物酶精练漂白同浴处理工艺;阎贺静等;《印染》;20110501(第9期);第5-9页 * |
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Inventor after: Wang Yanzhou Inventor before: Huang Meirong |
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Effective date of registration: 20170711 Address after: 221200 No. 9 Industrial Road, Sha town, Xuzhou County, Jiangsu, Suining Patentee after: XUZHOU YUEXIN STOCKS CO., LTD. Address before: Room 271, building 280, Shuguang Road, Shanghai, Minhang District, 201111, China Patentee before: Shanghai Qiucheng New Material Technology Co., Ltd. |
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