CN105177729A - Production method of Carex meyeriana fibers - Google Patents
Production method of Carex meyeriana fibers Download PDFInfo
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- CN105177729A CN105177729A CN201410266028.XA CN201410266028A CN105177729A CN 105177729 A CN105177729 A CN 105177729A CN 201410266028 A CN201410266028 A CN 201410266028A CN 105177729 A CN105177729 A CN 105177729A
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Abstract
The invention discloses a production method of Carex meyeriana fibers. The production method comprises the following steps: immersing Carex meyeriana straws in water, boiling the Carex meyeriana straws in water, preliminarily processing, carrying out biological enzyme treatment, prewashing by using water, carrying out alkali-oxygen one bath treatment, pickling, post-washing by using water, carrying out air drying, and devillicating to obtain the Carex meyeriana fibers, wherein the water boiling process is carried out for 2h; the biological enzyme treatment process is degumming treatment adopting hemicellulase and pectase, the use amount of the hemicellulase is 8-16%, the use amount of the pectase is 1-3%, the treatment temperature is 45-55DEG C, the pH value of a solution is 4.5-5.5, the treatment time is 2-4h, and the bath ratio is 1:40; and the alkali-oxygen one bath treatment process adopts 8-10g/L of sodium hydroxide, 6-8g/L of hydrogen peroxide and 1-3% of magnesium sulfate, the bath ratio is 1:50, the temperature rises to 100DEG C from room temperature, and the boiling water bath treatment time is 100min. The extracted Carex meyeriana fibers can be further textured to form composite materials.
Description
Technical field
The present invention relates to textile material technology, be specially a kind of preparation method of meyer sedge fiber.
Background technology
There is the Carex meyeriana Kunth of the title of " northeast Triratna ", the excellent warmth retention property had with it and deodorizing biocidal property and receive the concern of people.Prepare meyer sedge fiber, study its application in textile industry and it will be made to give full play to speciality, and be of value to the quality of life improving people.
The method of current extraction meyer sedge fiber is all adopt chemical method, one is soda boiling method (see " a kind of production technology of meyer sedge fiber silk and product (application number 200410010645.X) "), this technique adopts alkaline-heating method or High Temperature High Pressure alkaline boiling method to extract meyer sedge fiber, there is the degumming process time and be longer than 48h in this technique, treatment effect is uneven, use high pressure cost high, the bleaching process loaded down with trivial details and bleaching agent drawback such as not environmentally.Two be alkali-oxygen one bath (be illustrated in beautiful red etc. meyer sedge fiber---a kind of novel textile fiber material [J]. Shandong Textile and science and technology, 2006, (1): 54-56), the method that this technique adopts soda boiling to be combined with bleaching process, this technique exists in alkaline oxygen bath process does not add any chemical reagent, Carex meyeriana Kunth is come unstuck uneven, weak effect, and at high temperature H
2o
2decomposition rate is uncontrolled, and bleaching effect is not good, and can oxycellulose, to problems such as the destruction of fiber are serious.Three is ultrasonic wave-chemical combined degumming tech (see " production methods (application number 201210183527.3) of a kind of meyer sedge fiber "), the Degumming method of this technique is the method adopting ultrasonic wave to be combined with alkaline oxygen bath, certain NaOH is added during ultrasonic wave, in alkaline oxygen bath process, add multiple auxiliary agent as stabilizing agent, this technological process is many, complex operation, and the chemical reagent kind used is many, not environmentally, cost is high, is unfavorable for a large amount of production.Find through experiment, the chemical composition of Carex meyeriana Kunth stalk is similar to the chemical composition of cotton stalk skin, rice straw, mulberry fibre etc., and the extracting method of this several fiber has chemical method, physicomechanical processes, biological enzyme.Wherein to have selectivity strong for biological enzyme, and catalytic efficiency is high, action temperature and, not easy damaged fiber, and the advantages such as safety and environmental protection.
Summary of the invention
Problem to be solved by this invention
There is the problems such as complicated operation, cost are higher, contaminated environment for existing meyer sedge fiber preparation method, the key issue that quasi-solution of the present invention is determined is, a kind of preparation method of meyer sedge fiber is provided, the method adopts the technique of biology enzyme-chemical combined extraction meyer sedge fiber, aim to provide a kind of method of novel extraction meyer sedge fiber, the advantages such as it is simple that this leaching process has technique, clean environment firendly, safe and reliable.
The technical scheme that the present invention solves affiliated technical problem is: the preparation method designing a kind of meyer sedge fiber, and the method adopts following technique to carry out:
Technological process is:
Carex meyeriana Kunth stalk → bubble → poach → preliminary working → cellulase treatment → front washing → alkaline oxygen bath → pickling → after washing → air-dry → sub-wire → meyer sedge fiber; Wherein,
Described bubble technique for soak 24h by Carex meyeriana Kunth stalk in cold water;
Described boiled process is by Carex meyeriana Kunth stalk poach 1-2h in boiling water bath, takes out after cooling;
Described preliminary working technique is roll the Carex meyeriana Kunth after poach, tears and combing, makes Carex meyeriana Kunth be processed into filament;
Described cellulase treatment technique carries out enzyme degumming process for putting into biology enzyme solution to Carex meyeriana Kunth filament, and wherein used biology enzyme is hemicellulase and pectase;
Described front washing process is the enzyme preparation that Carex meyeriana Kunth remains cleaned;
Described alkaline oxygen bath technology for adding NaOH 8-10g/L, hydrogen peroxide 6-8g/L, magnesium sulfate 1-3%, bath raio is 1:50, rises to 100 DEG C from room temperature, boiling water bath 100min;
Described acid cleaning process is that the meyer sedge fiber after alkaline oxygen bath is soaked 2min in the sulfuric acid solution of 1g/L;
Compared with existing meyer sedge fiber technology of preparing, the invention has the beneficial effects as follows: biological enzyme technology is used in the preparation technology of meyer sedge fiber, and carry out boiling water boiling and tear being carded to filament to Carex meyeriana Kunth stalk before cellulase treatment, add the contact area of enzyme and Carex meyeriana Kunth, before cellulase treatment is placed on chemical treatment, the effect of biology enzyme can be given prominence to, and biology enzyme action condition is gentle, safety and environmental protection, not easy damaged fiber, after cellulase treatment, for improving the spinnability of fiber further, alkaline oxygen bath is carried out to Carex meyeriana Kunth, obtain the better meyer sedge fiber of performance, this kind of method both compensate for the undesirable shortcoming of independent cellulase treatment effect, prevent again chemical treatment easy damaged fiber, drawback not environmentally.The preparation technology of meyer sedge fiber provided by the invention has environmental protection more, the advantage such as little to fibre damage, safe and reliable compared with existing meyer sedge fiber preparation technology.
detailed description of the invention:
Below in conjunction with embodiment, the present invention is described in further details:
The preparation method of the meyer sedge fiber that the present invention relates to adopts following technique:
Carex meyeriana Kunth stalk → bubble → poach → preliminary working → cellulase treatment → front washing → alkaline oxygen bath → pickling → after washing → air-dry → sub-wire → meyer sedge fiber; Wherein,
Described bubble technique for soak 24h by Carex meyeriana Kunth stalk in cold water;
Described boiled process is by Carex meyeriana Kunth stalk poach 1-2h in boiling water bath, takes out after cooling;
Described preliminary working technique is roll the Carex meyeriana Kunth after poach, tears and combing, makes Carex meyeriana Kunth be processed into filament;
Described cellulase treatment technique carries out enzyme degumming process for putting into biology enzyme solution to Carex meyeriana Kunth filament, wherein used biology enzyme is hemicellulase and pectase, hemicellulose enzyme dosage is 8-16%, pectase consumption is 1-3%, treatment temperature is 45-55 DEG C, PH is the sodium hydrogen phosphate-citrate buffer solution of 4.5-5.5, and the time is 2-4h, and bath raio is 1:40;
Described front washing process is the enzyme preparation that Carex meyeriana Kunth remains cleaned;
Described alkaline oxygen bath technology for adding NaOH 8-10g/L, hydrogen peroxide 6-8g/L, magnesium sulfate 1-3%, bath raio is 1:50, rises to 100 DEG C from room temperature, boiling water bath 100min;
Described acid cleaning process is that the meyer sedge fiber after alkaline oxygen bath is soaked 2min in the sulfuric acid solution of 1g/L;
Described after washing technique for be washed to neutrality by meyer sedge fiber in warm water;
Described air-dry technique is in fume hood inner drying by meyer sedge fiber;
Described sub-wire technique is that the meyer sedge fiber be sticked together is carried out shredding, obtains meyer sedge fiber.
The major parameter of meyer sedge fiber prepared by the present invention is: after cellulase treatment, the mass loss rate of Carex meyeriana Kunth is 13.5-18.5%, the meyer sedge fiber diameter 70-120 μm obtained, fracture strength 50-140Mpa, elongation at break 2.5-6%, stretched film amount 6.5-18.5Gpa.This meyer sedge fiber is suitable for further textile process, is applicable to again doing composite.
Provide specific embodiments of the invention below.These embodiments, only for illustrating technical scheme of the present invention in detail, do not limit the scope of the application's claim protection.
embodiment 1
Carex meyeriana Kunth stalk 10g is soaked 24h in cold water, takes out poach 2h in boiling water bath, after cooling, carry out rolling, tear, combing obtains Carex meyeriana Kunth filament, then carry out cellulase treatment, hemicellulose consumption is 8%, pectase consumption is 1%, PH is 4.5, and temperature is 48 DEG C, ferment treatment 2h, then carry out alkaline oxygen bath process, alkali consumption is 8g/L, hydrogen peroxide consumption is 6g/L, and magnesium sulfate consumption is 2%, and bath raio is 1:50,100 DEG C are risen to, boiling water bath 100min from room temperature.Then air-dry sub-wire is carried out.After ferment treatment, the mass loss rate of Carex meyeriana Kunth is 9.56%, and the average diameter of the meyer sedge fiber obtained is 117.65 μm, and average fracture strength is 76.11Mpa, and average elongation at break is 4.69%, and average tensile modulus is 10.84Gpa.
embodiment 2
Carex meyeriana Kunth stalk 10g is soaked 24h in cold water, takes out poach 2h in boiling water bath, after cooling, carry out rolling, tear, combing obtains Carex meyeriana Kunth filament, then carry out cellulase treatment, hemicellulose consumption is 14%, pectase consumption is 1%, PH is 4.5, and temperature is 48 DEG C, ferment treatment 2h, then carry out alkaline oxygen bath process, alkali consumption is 8g/L, hydrogen peroxide consumption is 6g/L, and magnesium sulfate consumption is 2%, and bath raio is 1:50,100 DEG C are risen to, boiling water bath 100min from room temperature.Then air-dry sub-wire is carried out.After ferment treatment, the mass loss rate of Carex meyeriana Kunth is 13.64%, and the average diameter of the meyer sedge fiber obtained is 92.50 μm, and average fracture strength is 91.42Mpa, and average elongation at break is 3.06%, and average tensile modulus is 8.90Gpa.
embodiment 3
Carex meyeriana Kunth stalk 10g is soaked 24h in cold water, takes out poach 2h in boiling water bath, after cooling, carry out rolling, tear, combing obtains Carex meyeriana Kunth filament, then carry out cellulase treatment, hemicellulose consumption is 14%, pectase consumption is 2%, PH is 4.5, and temperature is 48 DEG C, ferment treatment 3h, then carry out alkaline oxygen bath process, alkali consumption is 8g/L, hydrogen peroxide consumption is 6g/L, and magnesium sulfate consumption is 2%, and bath raio is 1:50,100 DEG C are risen to, boiling water bath 100min from room temperature.Then air-dry sub-wire is carried out.After ferment treatment, the mass loss rate of Carex meyeriana Kunth is 18.32%, and the average diameter of the meyer sedge fiber obtained is 79.90 μm, and average fracture strength is 140.16Mpa, and average elongation at break is 2.44%, and average tensile modulus is 18.46Gpa.
embodiment 4
Carex meyeriana Kunth stalk 10g is soaked 24h in cold water, takes out poach 2h in boiling water bath, after cooling, carry out rolling, tear, combing obtains Carex meyeriana Kunth filament, then carry out cellulase treatment, hemicellulose consumption is 14%, pectase consumption is 2%, PH is 5.0, and temperature is 48 DEG C, ferment treatment 3h, then carry out alkaline oxygen bath process, alkali consumption is 8g/L, hydrogen peroxide consumption is 6g/L, and magnesium sulfate consumption is 2%, and bath raio is 1:50,100 DEG C are risen to, boiling water bath 100min from room temperature.Then air-dry sub-wire is carried out.After ferment treatment, the mass loss rate of Carex meyeriana Kunth is 18.32%, and the average diameter of the meyer sedge fiber obtained is 92.59 μm, and average fracture strength is 91.89Mpa, and average elongation at break is 1.87%, and average tensile modulus is 9.75Gpa.
Claims (3)
1. a preparation method for meyer sedge fiber, this preparation method adopts following technique:
Carex meyeriana Kunth stalk → bubble → poach → preliminary working → cellulase treatment → front washing → alkaline oxygen bath → pickling → after washing → air-dry → sub-wire → meyer sedge fiber; Wherein,
Described bubble technique for soak 24h by Carex meyeriana Kunth stalk in cold water;
Described boiled process is by Carex meyeriana Kunth stalk poach 1-2h in boiling water bath, takes out after cooling;
Described preliminary working technique is roll the Carex meyeriana Kunth after poach, tears and combing, makes Carex meyeriana Kunth be processed into filament;
Described cellulase treatment technique carries out enzyme degumming process for Carex meyeriana Kunth filament is put into biology enzyme solution;
Described front washing process is the enzyme preparation that Carex meyeriana Kunth remains cleaned;
Described alkaline oxygen bath technology for adding NaOH 8-10g/L, hydrogen peroxide 6-8g/L, magnesium sulfate 1-3%, bath raio is 1:50, rises to 100 DEG C from room temperature, boiling water bath 100min;
Described acid cleaning process is that the meyer sedge fiber after alkaline oxygen bath is soaked 2min in the sulfuric acid solution of 1g/L;
Described after washing technique for be washed to neutrality by meyer sedge fiber in warm water;
Described air-dry technique is in fume hood inner drying by meyer sedge fiber;
Described sub-wire technique is that the meyer sedge fiber be sticked together is carried out shredding, obtains meyer sedge fiber.
2. the preparation method of meyer sedge fiber according to claim 1, it is characterized in that: biology enzyme adopts hemicellulase and pectase, wherein hemicellulose enzyme dosage is 8-16%, pectase consumption is 1-3%, treatment temperature is 45-55 DEG C, PH is 4.5-5.5, and the time is 2-4h, and bath raio is 1:40.
3. the major parameter of meyer sedge fiber that prepared by the present invention is: after cellulase treatment, the mass loss rate of Carex meyeriana Kunth is 13.5-18.5%, the meyer sedge fiber diameter 70-120 μm obtained, fracture strength 50-140Mpa, elongation at break 2.5-6%, stretch modulus 6.5-18.5Gpa, this meyer sedge fiber is suitable for further textile process, is applicable to again doing composite.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106119980A (en) * | 2016-09-09 | 2016-11-16 | 天津工业大学 | A kind of preparation method that becoming more meticulous of meyer sedge fiber |
| CN106566266A (en) * | 2016-10-11 | 2017-04-19 | 洛阳鼎威材料科技有限公司 | Preparation method for organic photodiffusion material |
| CN107829153A (en) * | 2017-12-11 | 2018-03-23 | 吉林工程技术师范学院 | A kind of preparation method of sedge blended cloth |
| CN109371474A (en) * | 2018-10-11 | 2019-02-22 | 江西服装学院 | A kind of application of lotus fiber producing processes and the lotus fiber and lotus fiber of preparation |
| CN109480295A (en) * | 2018-10-23 | 2019-03-19 | 王晴 | Sedge water-soluble dietary fiber and preparation method thereof and defaecation purposes |
| CN110680115A (en) * | 2019-10-14 | 2020-01-14 | 黑龙江壹善汉麻生物科技有限公司 | Preparation method of mattress with antibacterial, mite-killing and natural far infrared functions |
| CN111962179A (en) * | 2020-07-03 | 2020-11-20 | 浙江裕源纺织有限公司 | Anti-ultraviolet DTY (draw textured yarn) and production process thereof |
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| CN102660779A (en) * | 2012-06-06 | 2012-09-12 | 天津工业大学 | Production method of carex meyeriana fiber |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119980A (en) * | 2016-09-09 | 2016-11-16 | 天津工业大学 | A kind of preparation method that becoming more meticulous of meyer sedge fiber |
| CN106566266A (en) * | 2016-10-11 | 2017-04-19 | 洛阳鼎威材料科技有限公司 | Preparation method for organic photodiffusion material |
| CN107829153A (en) * | 2017-12-11 | 2018-03-23 | 吉林工程技术师范学院 | A kind of preparation method of sedge blended cloth |
| CN109371474A (en) * | 2018-10-11 | 2019-02-22 | 江西服装学院 | A kind of application of lotus fiber producing processes and the lotus fiber and lotus fiber of preparation |
| CN109371474B (en) * | 2018-10-11 | 2021-06-08 | 江西服装学院 | Lotus fiber preparation method, lotus fiber prepared by same and application of lotus fiber |
| CN109480295A (en) * | 2018-10-23 | 2019-03-19 | 王晴 | Sedge water-soluble dietary fiber and preparation method thereof and defaecation purposes |
| CN110680115A (en) * | 2019-10-14 | 2020-01-14 | 黑龙江壹善汉麻生物科技有限公司 | Preparation method of mattress with antibacterial, mite-killing and natural far infrared functions |
| CN111962179A (en) * | 2020-07-03 | 2020-11-20 | 浙江裕源纺织有限公司 | Anti-ultraviolet DTY (draw textured yarn) and production process thereof |
| CN111962179B (en) * | 2020-07-03 | 2022-08-09 | 浙江裕源纺织有限公司 | Anti-ultraviolet DTY (draw textured yarn) and production process thereof |
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Application publication date: 20151223 |