CN106149063A - A kind of chemical-biological combined preparation process of meyer sedge fiber - Google Patents
A kind of chemical-biological combined preparation process of meyer sedge fiber Download PDFInfo
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- CN106149063A CN106149063A CN201510108948.3A CN201510108948A CN106149063A CN 106149063 A CN106149063 A CN 106149063A CN 201510108948 A CN201510108948 A CN 201510108948A CN 106149063 A CN106149063 A CN 106149063A
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Abstract
The present invention discloses the chemical-biological combined preparation process of a kind of meyer sedge fiber, and the technique that this preparation method uses is: sedge stalk → water boils → preliminary working → front soda boiling → washing → alkaline oxygen bath → washing → rear soda boiling → washing → laccase treatment → washing → oil supply → meyer sedge fiber.Wherein front soda boiling uses the higher alkali lye of concentration, adds urea element to carry out expanding treatment degumming.Alkaline oxygen bath adds JFC bleeding agent so that alkali and hydrogen peroxide effect are more abundant.Rear soda boiling uses the less alkali lye of concentration, adds the further degumming of JFC bleeding agent.Laccase treatment uses the method for shaking table vibration, beaker puts temperature at 40～60 DEG C into, concussion speed be 40～90rpm shaking table in degumming 15～30min so that degumming is soft uniformly.The present invention is simple to operate, efficient, clean environment firendly, degumming are soft uniformly.The meyer sedge fiber fineness extracted is uniform, soft, may be used for further spinning and weaving.
Description
Technical field
The present invention relates to textile material technology, the chemical-biological combined preparation process of specially a kind of meyer sedge fiber.
Background technology
Sedge, there is the title of one of " northeast Triratna " former times, has excellent warmth retention property and deodorizing biocidal property, enjoy the happiness of people
Like.For making it easier for spinning and weaving, the meyer sedge fiber extracting excellent performance seems particularly critical important.
The preparation method of current meyer sedge fiber is all to use chemical method, and one is that soda boiling method (sees " a kind of meyer sedge fiber
The production technology of silk and product (application number 200410010645.X) "), this technique uses alkaline-heating method or HTHP alkaline boiling method
Extracting meyer sedge fiber, there is a soda boiling degumming effect difference in this technique, treatment effect is uneven, obtains fiber thicker
Shortcoming.Two is that ultrasonic wave-chemical combined degumming tech (sees " production method (application number of a kind of meyer sedge fiber
201210183527.3) "), the Degumming method of this technique is the method using ultrasonic wave to be combined with alkaline oxygen bath, is equivalent to use
The method of soda boiling twice, the alkali number that this technique exists alkaline oxygen bath addition greatly and uses boiling water bath, and the uninterrupted process time is long, makes
Obtaining cellulose and being easy to damage, the fiber obtaining through experimental verification discovery is brittle, not soft.It is simple that biological enzyme degumming has technique,
Act on soft, do not damage the advantages such as fiber.Therefore the present invention is on the premise of reducing the soda boiling time, adds biological enzyme degumming method,
Obtain the meyer sedge fiber of excellent performance.
Content of the invention
Problem to be solved by this invention
For existing meyer sedge fiber preparation method have that processing method is single, treatment effect is uneven, chemical treatment is easy to damage
The problems such as fiber, pollution environment, process time length, the technical problem that the present invention intends to solve is to provide a kind of meyer sedge fiber
Chemical-biological combined preparation process, it is desirable to provide a kind of method of novel extraction meyer sedge fiber, takes into full account de-during being somebody's turn to do
The uniformity of glue, mildness and high efficiency, have simple to operate, can discontinuity treatment, clean environment firendly, safe and reliable, obtain
Fibre fineness uniformity and the good advantage of flexibility.
The technical scheme that the present invention solves affiliated technical problem is to design the chemical-biological combined preparation process of a kind of meyer sedge fiber,
The method uses following technique to carry out:
Technological process is:
Sedge stalk → water boils → preliminary working → front soda boiling → washing → alkaline oxygen bath → washing → rear soda boiling → washing → laccase at
Reason → washing → oil supply → meyer sedge fiber；Wherein,
Described preliminary working technique, for carrying out rolling combing sedge stalk, makes the sedge stalk of three prismatic tentatively become thread；
Described front soda boiling technique for use alkali concn be 12～16g/L, urea element consumption be 2～6% solution right under the conditions of 80～95 DEG C
Sedge carries out preliminary expanded degumming process 30min～60min；Described alkaline oxygen bath technology is 4～8g/L for using alkali concn,
Hydrogen peroxide concentration is 4～8g/L, JFC bleeding agent be 1～3% solution from room temperature rise to 70～90 DEG C process 30min～60min；
Described rear soda boiling technique is 6-10g/L for using alkali concn, and JFC bleeding agent is that the solution of 1～3% is 80～95 DEG C of conditions
Lower process 30min～60min；
Described laccase treatment technique for be 4～6 at PH, laccase consumption be 10～18%, temperature be 40～60 DEG C under conditions of at
Reason 15～30min；
For making degumming abundant further, degumming effect is uniform, and the present invention uses the method that shaking table vibrates in laccase treatment, will burn
Cup is put in the shaking table of constant temperature constant speed, and the temperature arranging shaking table is 40～60 DEG C, and concussion speed is 40～90rpm, make laccase with
The full and uniform contact of sedge, reaches the uniform effect of degumming.
Described washing process is and first uses hot wash 3～4 times, re-uses cold water and is washed till neutrality, and last of washing is all over by crow
The grass hand that carries out submerged in water is drawn to pull combing.
The performance of meyer sedge fiber prepared by the present invention is: after laccase treatment, the diameter of meyer sedge fiber 40.72～
60.12 μm, fracture strength 139.12～203.76MPa, pliability 0.11～0.29 twists with the fingers * dtex-1*m-1.This meyer sedge fiber is fitted
Together in further spinning and weaving.
Water employed in the present invention boils, soda boiling and alkaline oxygen bath are routine techniques means, but the treatment conditions being used are special
Door is for designed by sedge stalk, and owing to the colloid of stalk is more, a soda boiling can not be removed perfect, because of before this
Soda boiling technique add the higher alkali of concentration and a small amount of urea element, while Swelling Functions is played to sedge, make alkali lye be easier to into
Enter and act on inside sedge；Alkaline oxygen bath technology adds bleeding agent, have emulsification, infiltration effect, make reagent with
Sedge fully acts on, and the temperature of employing is at 70～90 DEG C, it is therefore prevented that temperature is too high to fibre damage, makes effect gentleer；
Rear soda boiling technique uses the alkali lye of less concentration to add JFC penetrant treating, removes colloid and the impurity that alkaline oxygen bath stays further；
Temperature in whole chemical treating process all not higher than 95 DEG C, it is ensured that cellulose does not sustains damage.For optimizing fiber further
Flexibility and fineness, add laccase treatment technique, and conventional laccase treatment different from the past, the present invention uses the side that shaking table vibrates
Beaker is put in the shaking table of constant temperature constant speed by method, and the temperature arranging shaking table is 40～60 DEG C, and concussion speed is 40～90rpm,
Make that laccase is full and uniform with sedge to be contacted, reach the uniform effect of degumming.
Compared with existing meyer sedge fiber technology of preparing, present invention have the advantage that each stage chemically treated, add one
Fixed auxiliary agent, adds the high efficiency of reagent effect；In chemical treating process, maximum temperature is less than 95 DEG C, and protection cellulose is exempted from
Damaged by reagent under high temperature；Use shaking table oscillation method during laccase treatment, make that laccase is full and uniform with sedge to be contacted,
Reach the uniform purpose of degumming；Each phases-time of degumming process is short, can be with intermittent operation.The change of meyer sedge fiber of the present invention
Learn bio combined Degumming method degumming uniformly, act on soft, efficient, and have simple to operate, can discontinuity treatment, clean environment firendly,
Safe and reliable advantage, the fibre fineness uniformity obtaining and flexibility are good.
The innovation of the present invention is that chemical treatment part selects three soda boilings, adds the surface-active such as urea element, penetrating agent JFC
Agent so that reagent and sedge effect are more abundant, in each stage chemically treated, maximum temperature is less than 95 DEG C, single treatment
Time is short, it is to avoid cellulose is destroyed by reagent；Use shaking table oscillation method during laccase treatment, the temperature of shaking table is set
Being 40～60 DEG C, concussion speed is 40～90rpm, makes that laccase is full and uniform with sedge to be contacted, reaches degumming uniformly soft
Purpose.
Detailed description of the invention:
Illustrate below in conjunction with the detailed description of the invention to the present invention for the embodiment.The present invention is not directed to part and is applicable to prior art.
These embodiments are only used for illustrating in detail technical scheme, are not limiting as the model of the application claim protection
Enclose.
Embodiment 1
Sedge stalk 10g water in boiling water bath is boiled 2h, after cooling, carries out rolling combing and obtain sedge filament, to beaker
The alkali of interior addition 12g/L, the urea element of 2%, the water of 500mL, under conditions of 85 DEG C, process 30min, take out sedge advanced
Row hot wash 4 times, washs 3 times carrying out cold water so that it is reach neutral, when last time washing, carries out hand in water
Pulling combing so that it is straight, alkaline oxygen bath is the alkali of addition 6g/L, the hydrogen peroxide of 6g/L, 2%JFC bleeding agent, 500mL
Water, rises to 90 DEG C from room temperature and processes 30min, then wash, rear soda boiling for adding the alkali of 8g/L, the JFC bleeding agent of 2%,
The water of 500mL, processes 30min, washing under the conditions of 85 DEG C, and last laccase treatment is the buffer solution of preparation PH=5.0,
Add 12% laccase, add 200mL water, in 50 DEG C, 40rpm under conditions of process 15min, take out washing, oil supply,
Dry, obtain meyer sedge fiber.A diameter of 46.18 μm of the meyer sedge fiber obtaining, fracture strength is 169.29MPa, can
Amount of deflection is 0.18 sth. made by twisting * dtex-1*m-1。
Embodiment 2
Sedge stalk 10g water in boiling water bath is boiled 2h, after cooling, carries out rolling combing and obtain sedge filament, to beaker
The alkali of interior addition 12g/L, the urea element of 2%, the water of 500mL, under conditions of 80 DEG C, process 40min, take out sedge advanced
Row hot wash 4 times, washs 3 times carrying out cold water so that it is reach neutral, when last time washing, carries out hand in water
Pulling combing so that it is straight, alkaline oxygen bath is the alkali of addition 8g/L, the hydrogen peroxide of 6g/L, 2%JFC bleeding agent, 500mL
Water, rises to 90 DEG C with the heating rate of 1 DEG C/min and processes 40min, then wash, and rear soda boiling is the alkali of addition 8g/L, and 2%
JFC bleeding agent, the water of 500mL, under the conditions of 80 DEG C process 40min, washing, last laccase treatment for preparation PH=6.0
Buffer solution, add 14% laccase, add 200mL water, in 60 DEG C, 40rpm under conditions of process 15min, take out
Washing, oil supply, dry, obtain meyer sedge fiber.A diameter of 44.85 μm of the meyer sedge fiber obtaining, fracture strength is
168.71MPa, pliability is 0.13 sth. made by twisting * dtex-1*m-1。
Embodiment 3
Sedge stalk 10g water in boiling water bath is boiled 2h, after cooling, carries out rolling combing and obtain sedge filament, to beaker
The alkali of interior addition 14g/L, the urea element of 2%, the water of 500mL, under conditions of 70 DEG C, process 60min, take out sedge advanced
Row hot wash 4 times, washs 3 times carrying out cold water so that it is reach neutral, when last time washing, carries out hand in water
Pulling combing so that it is straight, alkaline oxygen bath is the alkali of addition 8g/L, the hydrogen peroxide of 6f/L, 2%JFC bleeding agent, 500mL
Water, rises to 90 DEG C from room temperature and processes 60min, then wash, rear soda boiling for adding the alkali of 8g/L, the JFC bleeding agent of 2%,
The water of 500mL, processes 60min, washing under the conditions of 70 DEG C, and last laccase treatment is the buffer solution of preparation PH=5.0,
Add 14% laccase, add 200mL water, in 50 DEG C, 40rpm under conditions of process 15min, take out washing, oil supply,
Dry, obtain meyer sedge fiber.A diameter of 42.56 μm of the meyer sedge fiber obtaining, fracture strength is 201.51MPa, can
Amount of deflection is 0.29 sth. made by twisting * dtex-1*m-1。
Claims (3)
1. a chemical-biological combined preparation process for meyer sedge fiber, the following technique of this preparation method employing:
Sedge stalk → water boils → preliminary working → front soda boiling → washing → alkaline oxygen bath → washing → rear soda boiling → washing → laccase at
Reason → washing → oil supply → meyer sedge fiber；Wherein,
Described preliminary working technique, for carrying out rolling combing sedge stalk, makes the sedge stalk of three prismatic tentatively become thread；
Described front soda boiling technique is 12～16g/L for using alkali concn, and urea element consumption is that the solution of 2～6% is 80～95 DEG C of conditions
Under carry out preliminary expanded degumming process 30min～60min to sedge；
Described alkaline oxygen bath technology is 4～8g/L for using alkali concn, and hydrogen peroxide concentration is 4～8g/L, JFC bleeding agent is 1～
The solution of 3% rises to 70～90 DEG C from room temperature and processes 30min～60min；
Described rear soda boiling technique is 6-10g/L for using alkali concn, and JFC bleeding agent is that the solution of 1～3% is 80～95 DEG C of conditions
Lower process 30min～60min；
Described laccase treatment technique for be 4～6 at PH, laccase consumption be 10～18%, temperature be 40～60 DEG C under conditions of at
Reason 15～30min；
Described washing process is and first uses hot wash 3～4 times, re-uses cold water and is washed till neutrality, and last of washing is all over by crow
The grass hand that carries out submerged in water is drawn to pull combing.
2. the chemical-biological combined preparation process of meyer sedge fiber according to claim 1, it is characterised in that: laccase treatment technique
Use the method for shaking table vibration, beaker is put in the shaking table of constant temperature constant speed, the temperature of shaking table is set at 40～60 DEG C, concussion speed
Rate is 40～90rpm, makes that laccase solution is full and uniform with sedge to be contacted.
3. a meyer sedge fiber, uses the method described in claim 1 and 2 to prepare, and the major parameter of this meyer sedge fiber is: warp
After crossing laccase treatment, the diameter of meyer sedge fiber 40.72～60.12 μm, fracture strength 139.12～203.76MPa, pliability
0.11～0.29 sth. made by twisting * dtex-1*m-1.This meyer sedge fiber is suitable for further spinning and weaving.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113026119A (en) * | 2021-03-19 | 2021-06-25 | 齐齐哈尔大学 | Degumming method of hemp fiber |
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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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2015
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660779A (en) * | 2012-06-06 | 2012-09-12 | 天津工业大学 | Production method of carex meyeriana fiber |
Non-Patent Citations (2)
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| 孙颖等: ""乌拉草预氧处理和二煮法的化学脱胶工艺"", 《毛纺科技》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113026119A (en) * | 2021-03-19 | 2021-06-25 | 齐齐哈尔大学 | Degumming method of hemp fiber |
| CN113026119B (en) * | 2021-03-19 | 2023-01-10 | 齐齐哈尔大学 | Degumming method of hemp fiber |
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Application publication date: 20161123 |