CN103243540A - Bio-enzyme pretreatment method of ramie fabric - Google Patents
Bio-enzyme pretreatment method of ramie fabric Download PDFInfo
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- CN103243540A CN103243540A CN2013102054143A CN201310205414A CN103243540A CN 103243540 A CN103243540 A CN 103243540A CN 2013102054143 A CN2013102054143 A CN 2013102054143A CN 201310205414 A CN201310205414 A CN 201310205414A CN 103243540 A CN103243540 A CN 103243540A
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- ramie fabric
- enzyme
- bleaching
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- kiering bleaching
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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, relate in particular to a kind of ramie fabric biology enzyme pre-treating method.
Background technology
Ramie fabric is to be the fabric that raw material is made with the ramee.Have moisture absorption loose 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 the ramie fabric surface, forms mannerism.The fracture strength of ramie fabric is very high, and is wet strong outstanding high, and elongation at break is minimum, meet water after the fiber swelling better, suitable national defence and the industrial or agricultural cloth of doing specific (special) requirements is as the base cloth of ribbon tape, filter cloth, card-clothing, cartridge belt, rotary hose etc.
Existing ramie fabric pre-treatment generally includes above-mentioned destarch and blanching step, and each step is consuming time longer, and energy consumption is bigger.
Summary of the invention
At the deficiencies in the prior art, technical problem to be solved by this invention provides a kind of ramie fabric biology enzyme pre-treating method, and destarch and one step of blanching step finish.
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of ramie fabric biology enzyme pre-treating method comprises kiering bleaching, washing and baking step, and described kiering blanching step is:
Ramie fabric added carry out kiering bleaching in the kiering bleaching liquid, the mass ratio of ramie fabric and described kiering bleaching liquid is 1:10-1:20, controls temperature at 50-60 ℃, and the processing time is 30-90 minute;
Described kiering bleaching liquid, formed by 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%, surplus is water
Described compound biological enzyme is made of by weight following component: cutin enzyme 10-20 part, alkaline pectase 30-50 part, 1,4-Β-D-glucose-4-glucoside hydrolase 10-20 part, laccase 20-40 part.
Concrete, in technical scheme of the present invention:
The cutin enzyme, Cutinase, EC3.1.1.74 is that a kind of ester bond that can destroy cutin polymer molecule makes its born of the same parents that are hydrolyzed to monomer and little molecule oligomer induce hydrolase outward, belongs to serine easterase.The cutin enzyme both can the insoluble polymer plant of catalyzing hydrolysis cutin ester bond, also can act on the triglycerides of other long-chain, short-chain aliphatic ester, emulsification and the synthetic ester of solubility etc., be a kind of multi-functional lyases.
Alkaline pectase is a kind of biological enzyme formulation, can be used for come unstuck preliminary treatment and the boiling-off additive of textile fabric.Alkaline-resisting, can under alkaline environment, use, inoglia there is place to go effect preferably, and less to the native cellulose fibre damage, can keep fiber to have good physical property.Can select alkaline pectase Biopmp3000L (Novozymes Company, enzyme activity 3000U/mL) in the present invention for use.
1,4-Β-D-glucose-4-glucoside hydrolase, CAS accession number: 9012-54-8, EINECS accession number: 232-734-4, English name: 1,4-[1,3:1,4]-BETA-D-GLUCAN4-GLUCANO-HYDROLASE.
Laccase, English name: Laccase, CAS numbering: 80498-15-3, EINECS accession number: 420-150-4.Laccase is the copper-containing metal enzyme, and four copper atoms are arranged in each laccase molecule.The typical reaction of laccase is the oxidation phenolic compound, is accompanied by molecular oxygen in the course of reaction and is reduced into water.In the catalytic oxidation process of laccase, substrate loses an electronics and forms free radical, and unsettled free radical can further participate in oxygenation reaction or the non-enzymatic reaction of laccase catalysis, as hydration reaction, polymerisation.
Cetyl betaine, CETYL BETAINE, 693-33-4.。
The present invention adopts complex enzyme-oxygen technology to carry out pre-treatment, utilize separately synergy and biocompatibility each other, adopt cutin enzyme, alkaline pectase, 1, four kinds of composite uses of biology enzyme of 4-Β-D-glucose-4-glucoside hydrolase and laccase produce synergistic function; Further, potassium chloride plays activation to this compound biological enzyme, and the adding of preferred amphoteric surfactant cetyl betaine is more played further synergistic effect to enzyme.
With respect to prior art, the advantage of technical solution of the present invention mainly is presented as:
The present invention adopts compound biological enzyme that ramie fabric is carried out with bath destarch and bleaching, and the treatment conditions gentleness is little to fabric damage, and technological process is short.
The specific embodiment
Ramie fabric, initial whiteness are 44.8%.
Embodiment 1
(1) preparation of compound biological enzyme
Take by weighing cutin enzyme 15 weight portions, alkaline pectase 40 weight portions, 1,4-Β-D-glucose-4-glucoside hydrolase 15 weight portions and laccase 30 weight portions mix, and namely make this compound biological enzyme.
(2) preparation of kiering bleaching liquid
Under the room temperature, compound biological enzyme, hydrogen peroxide, tetraacetyl ethylene diamine, cetyl betaine and potassium chloride are added to the water, mix, make the kiering bleaching liquid,
Described kiering bleaching liquid, formed by 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%, surplus is water.
(3) with bathing the kiering bleaching
Ramie fabric added carry out kiering bleaching in the kiering bleaching liquid, the mass ratio of ramie fabric and kiering bleaching liquid is 1:15, controls temperature at 55 ℃, and dip time is 60 minutes.
(4) adopt conventional method washing, oven dry.
Comparative Examples 1
(1) preparation of kiering bleaching liquid
Under the room temperature, compound biological enzyme, hydrogen peroxide, tetraacetyl ethylene diamine, penetrating agent JFC and the potassium chloride of embodiment 1 preparation are added to the water, mix, make the kiering bleaching liquid, described kiering bleaching liquid, formed by 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 are water.
(2) with bathing the kiering bleaching
Ramie fabric added carry out kiering bleaching in the kiering bleaching liquid, the mass ratio of ramie fabric and kiering bleaching liquid is 1:15, controls temperature at 55 ℃, and dip time is 60 minutes.
(3) adopt conventional method washing, oven dry.
Comparative Examples 2
(1) preparation of kiering bleaching liquid
Under the room temperature, α-Dian Fenmei, hydrogen peroxide, tetraacetyl ethylene diamine, cetyl betaine and potassium chloride are added to the water, mix, make the kiering bleaching liquid,
Described kiering bleaching liquid, formed by following compositions in weight percentage: α-Dian Fenmei 3%, hydrogen peroxide 7.5%, tetraacetyl ethylene diamine 1.5%, cetyl betaine 0.2%, potassium chloride 0.2%, surplus is water.
(2) with bathing the kiering bleaching
Ramie fabric added carry out kiering bleaching in the kiering bleaching liquid, the mass ratio of ramie fabric and kiering bleaching liquid is 1:15, controls temperature at 55 ℃, and dip time is 60 minutes.
(3) adopt conventional method washing, oven dry.
Test case 1
Ramie fabric after embodiment 1, Comparative Examples 1 and Comparative Examples 2 processing is tested, and concrete data see the following form.
Ramie fabric performance test table
| ? | The destarch rate, % | Whiteness, % | Strength retention, % |
| Embodiment 1 | 92.4 | 82.6 | 94 |
| Comparative Examples 1 | 87.2 | 77.5 | 93 |
| Comparative Examples 2 | 86.5 | 75.8 | 93 |
The destarch rate is represented a basic technical indicator of textile sizing material removal degree, and available following formula calculates:
Destarch rate=[fabric sizing percentage before (fabric sizing percentage after the preceding fabric sizing percentage-destarch of destarch)/destarch] * 100%.
Tear tester test strength retention with Elmendorf.Specimen two ends that are of a size of 6.5cm * 10cm are clamped, the otch of a 2cm is vertically cut at the position therebetween, tearing to the shown maximum grams of 4.5cm place this point of 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 more big, illustrates that this operation is more little to the damage of fabric.
The present invention adopts compound biological enzyme that ramie fabric is carried out with bath destarch and bleaching, and the treatment conditions gentleness is little to fabric damage, environmental friendliness, and the technological process weak point only needs 30-90 minute, energy efficient; Fabric sofetening degree height after the processing, good hand touch, dye penetration, level-dyeing property obviously improve.
Claims (2)
1. a ramie fabric biology enzyme pre-treating method comprises kiering bleaching, washing and baking step, it is characterized in that, described kiering blanching step is:
Ramie fabric added carry out kiering bleaching in the kiering bleaching liquid, the mass ratio of ramie fabric and described kiering bleaching liquid is 1:10-1:20, controls temperature at 50-60 ℃, and the processing time is 30-90 minute;
Described kiering bleaching liquid, formed by 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%, surplus is water.
2. ramie fabric biology enzyme pre-treating method as claimed in claim 1 is characterized in that described compound biological enzyme, formed by weight by following component: cutin enzyme 10-20 part, alkaline pectase 30-50 part, 1,4-Β-D-glucose-4-glucoside hydrolase 10-20 part, laccase 20-40 part.
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| CN201310205414.3A CN103243540B (en) | 2013-05-25 | 2013-05-25 | Bio-enzyme pretreatment method of ramie fabric |
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| CN103243540B CN103243540B (en) | 2015-04-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836974A (en) * | 2022-05-06 | 2022-08-02 | 中国农业科学院麻类研究所 | Ramie fiber bleaching method |
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 |
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2013
- 2013-05-25 CN CN201310205414.3A patent/CN103243540B/en not_active Expired - Fee Related
Patent 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114836974A (en) * | 2022-05-06 | 2022-08-02 | 中国农业科学院麻类研究所 | Ramie fiber bleaching method |
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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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