CN107299472A - The technique that a kind of utilization acidic cellulase removes cotton scratch print - Google Patents
The technique that a kind of utilization acidic cellulase removes cotton scratch print Download PDFInfo
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- CN107299472A CN107299472A CN201710442571.4A CN201710442571A CN107299472A CN 107299472 A CN107299472 A CN 107299472A CN 201710442571 A CN201710442571 A CN 201710442571A CN 107299472 A CN107299472 A CN 107299472A
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- acidic cellulase
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B7/00—Mercerising, e.g. lustring by mercerising
- D06B7/08—Mercerising, e.g. lustring by mercerising of fabrics of indefinite length
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C9/00—Singeing
- D06C9/02—Singeing by flame
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Abstract
The present invention provides the technique that a kind of utilization acidic cellulase removes cotton scratch print, belongs to dyeing and finishing technique field.Including：Sanding：By cotton by roughing-up machine to there is the cotton that scratch prints to carry out light sanding processing；Singe：The cotton handled by sanding is subjected to processing of singing by gas singeing machine；Mercerising：Cotton by processing of singing is subjected to mercerization finish；Acid cellulose ferment treatment：Cotton by mercerization finish is put into the solution added with nonionic penetrant, acetic acid and acidic cellulase and handled；Alkali cleaning, hot water wash and drying.The present invention removes cotton scratch print technique first with carbon roller to there is the cotton that scratch prints to carry out light sanding processing, abrasive cloth cover is abraded after sanding at print and play fine hair, then the fine hair at scratch print is removed with mercerising through singing, cellulase is finally recycled to play the role of hydrolysis polishing to cotton fiber, it will be removed by the micro- down singed with cloth cover is remained in after mercerization finish, so as to reach the purpose for eliminating scratch print.
Description
Technical field
The invention belongs to dyeing and finishing technique field, specially a kind of utilization acidic cellulase removes the work of cotton scratch print
Skill.
Background technology
All cotton fabric is in specific dyeing and finishing production process, it is easy to caused due to operation or mechanical disorder aspect
Abrade and leave abrasive vestige in cotton surface, existing general use, which is washed or returns mercerising, to be removed it, but this processing
Only the slighter marking of many scratches effectively, the complete removal to scratch print can not be realized when rub is heavier, causes life technique
Scratch print is also remained in all cotton fabric cost of output, the presentation quality of cotton is influenceed.
The content of the invention
It is an object of the invention to provide the technique that a kind of utilization acidic cellulase removes cotton scratch print, work of the present invention
Skill step is simple and easy to apply, and the cotton with scratch print is handled using acidic cellulase, can effectively improve scratch print
Removal effect, improve cotton outward appearance and usage comfort.
The object of the invention is realized by following technical proposals：
A kind of utilization acidic cellulase removes the technique of cotton scratch print, comprises the following steps：
A, sanding：By cotton by roughing-up machine, the cotton for having scratch to print gently is ground using the carbon roller in roughing-up machine
Hair processing；
B, singe：The cotton handled by sanding is subjected to processing of singing by gas singeing machine；
C, mercerising：By the cotton by processing of singing by mercerizing machine, mercerization finish is carried out in the presence of soda bath；
D, acid cellulose ferment treatment：By by mercerization finish cotton be put into added with nonionic penetrant, acetic acid and
Handled in the solution of acidic cellulase；
E, alkali cleaning, hot water wash：Cotton Jing Guo above-mentioned processing is sequentially placed into soda ash solution and hot water and cleaned；
F, drying：Cotton drying after over cleaning be can obtain into the cotton without scratch print.
The present invention removes cotton scratch print technique first with carbon roller to there is the cotton that scratch prints to carry out light sanding processing,
Abrasive cloth cover is abraded print after sanding and played fine hair, then remove the fine hair abraded at print with mercerising through singing again, then
Cellulase is recycled to play the role of hydrolysis polishing to cotton fiber, will be by singing and cloth cover scratch print being remained in after mercerization finish
Micro- down at place is removed, and cloth cover is polished so as to reach, makes cloth cover smooth, eliminates the purpose of scratch print.
In addition, the acidic cellulase that the present invention has nonionic penetrant and acetic acid using adding is to by singing and mercerising
The cotton of processing is handled, compared to general cellulase, and cellulose can be improved by adding acetic acid and nonionic penetrant
Infiltration and suitable ph value of reaction of the enzyme in cotton fiber, so as to improve its hydrolysis polishing action to cotton, improve cotton table
The smoothness in face, reaches and preferably goes scratch print effect.
Furthermore, sanding in present invention process, singe and mercerization finish is that the pretreatment that print is carried out is abraded to cotton, its
Purpose is will to produce fine hair through sanding at scratch print, and then recycling is subsequently singed, mercerising and acid cellulose ferment treatment are removed
Fine hair, so that reaching makes whole cotton surface smooth, it is smooth consistent, reach the purpose for removing scratch print.Only using the present invention
Pretreatment carries out pre-treatment to scratch print, makes to produce fine hair at scratch print, and can just have follow-up fine hair to remove makes cloth so as to reach
Face is smooth, removes the purpose of scratch print, so, pre-treatment of the present invention is indispensable, if having lacked early stage pretreatment
It can not then reach that the present invention removes the technique effect of scratch print.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
In example, step A, the sanding uses two roller sandings, and the speed of roughing-up machine is 30m/min.The present invention uses two roller sandings, and will
Roughing-up machine speed is defined to 30m/min, and cloth cover strength can be made impaired less, and scratch print is eliminated, and is optimal roughing process.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
Example, in step B, the gas singeing machine uses three positive burners, and flame temperature is 850~900 DEG C, flame and fabric distance 1~
2cm, and the speed of gassing frame is 70m/min.Gassing frame speed using three positive burners and 70m/min is coordinated to the present invention
The fine hair produced by sanding carries out processing of singing, and can more effectively realize the removal to fine hair, improves later stage scratch print
Removal effect, is optimal singeing while improving cloth cover ultimate strength damage very little.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
In example, step C, the concentration of the soda bath is 220~250g/L, and temperature is 20~25 DEG C, and the tension force of the mercerizing machine is
250~280N, processing speed is 40~45m/min.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
Example, in step D, the concentration of the acidic cellulase is 1g/L, and the concentration of the nonionic penetrant is 2~3g/L, described
The concentration of acetic acid is 1~2g/L, and the processing time of the acidic cellulase is 25~30min, and temperature is 45~55 DEG C.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
Example, the nonionic penetrant is AEO.The effect of nonionic penetrant is to improve cellulase in cotton fibre
Seeing through in dimension and disperse dynamics, so as to improve its hydrolysis polishing action to cotton, improve the smoothness of cotton surface, reach
Preferably go scratch print effect.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
Example, the pH value of the acid cellulose enzyme solutions is 4~6.The effect of acetic acid is the acidity pH for adjusting acid cellulose enzyme solutions
Value, nonionic penetrant helps infiltration of the cellulase in cotton fiber and scattered, so as to improve water of the cellulase to cotton
Polishing action is solved, the smoothness of cotton surface is improved, reaches and preferably removes scratch print effect.Acidic cellulase of the present invention is molten
The setting of liquid pH values is obtained according to many experiments effect and data, in the range of the pH that the present invention is limited, can make fiber
Hydrolysis and polishing action of the plain enzyme to cotton fiber reach most preferably, so that the removal effect of scratch print reaches most preferably.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
In example, step E, the concentration of the soda ash solution is 2~3g/L, and temperature is 80~100 DEG C, and the hot water temperature is 90~100
℃.The purpose that soda ash is cleaned in present invention process is to inactivate acidic cellulase, using soda ash solution to acidic cellulase
Neutralized, it is alkalescence neutral or on the weak side that the acidic cellulase remained on cotton, which is neutralized, is prevented due to acidic cellulase
Long in the cotton surface residence time, effect is excessive to cause secondary damage to cotton.The concentration of soda ash solution of the present invention and processing
Time is determined according to the amount of above acidic cellulase, as long as the purpose for inactivating acidic cellulase can be realized i.e.
Can.
Hot water cleaning is to be purged the remaining alkali lye of above-mentioned steps and acidic cellulase, finished product cotton is had more
Good cleanliness factor.
A specific implementation of the technique of cotton scratch print is removed as a kind of utilization acidic cellulase of the present invention
In example, step F, the drying uses dryer, and dryer drying cylinder steam pressure is 0.2~0.25MP, and speed is 40m/min.
Beneficial effects of the present invention：
The present invention removes cotton scratch print technique first with carbon roller to there is the cotton that scratch prints to carry out light sanding processing,
Abrasive cloth cover is abraded print after sanding and played fine hair, then remove the fine hair abraded at print with mercerising through singing again, then
Cellulase is recycled to play the role of hydrolysis polishing to cotton fiber, will be by singing and cloth cover scratch print being remained in after mercerization finish
Micro- down at place is removed, and cloth cover is polished so as to reach, makes cloth cover smooth, eliminates the purpose of scratch print.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
The specific embodiment that the present embodiment removes cotton scratch print using acidic cellulase is as follows：
A, sanding：By cotton by roughing-up machine, the cotton for having scratch to print gently is ground using the carbon roller in roughing-up machine
Hair processing；Wherein, sanding uses two roller sandings, and the speed of roughing-up machine is 30m/min.
B, singe：The cotton handled by sanding is subjected to processing of singing by gas singeing machine；Wherein, gas singeing machine
Using three positive burners, flame temperature is 900 DEG C, and flame is with fabric apart from 1cm, and gassing frame speed is 70m/min.
C, mercerising：By the cotton by processing of singing by mercerizing machine, mercerization finish is carried out in the presence of soda bath；
Wherein, the concentration of soda bath is 240g/L, and temperature is 22 DEG C, and the tension force of mercerizing machine is 250N, and processing speed is 40m/min.
D, acid cellulose ferment treatment：Cotton by mercerization finish is put into added with nonionic penetrant and acetic acid
Handled in acid cellulose enzyme solutions；Wherein, the concentration of acidic cellulase is 1g/L, and the concentration of nonionic penetrant is
2g/L, the concentration of acetic acid is 1.5g/L, and the pH of acid cellulose enzyme solutions is 5, and processing time is 30min, and temperature is 50 DEG C.
E, alkali cleaning, hot water wash：Cotton Jing Guo above-mentioned processing is sequentially placed into soda ash solution and hot water and cleaned；Its
In, the concentration of soda ash solution is 2.3g/L, and temperature is 90 DEG C, and the hot water temperature is 90 DEG C.
F, drying：Cotton drying after over cleaning be can obtain into the cotton without scratch print, wherein, drying is using drying
Machine, dryer drying cylinder steam pressure is 0.2MP, and speed is 40m/min.
Cotton scratch print is removed using above-mentioned technology utilization acidic cellulase, the cloth cover undercoat after processing is several
It is removed, the clearance of scratch print reaches 95%.
Embodiment 2
The specific embodiment that the present embodiment removes cotton scratch print using acidic cellulase is as follows：
A, sanding：By cotton by roughing-up machine, the cotton for having scratch to print gently is ground using the carbon roller in roughing-up machine
Hair processing；Wherein, sanding uses two roller sandings, and the speed of roughing-up machine is 30m/min.
B, singe：The cotton handled by sanding is subjected to processing of singing by gas singeing machine；Wherein, gas singeing machine
Using three positive burners, flame temperature is 900 DEG C, and flame is with fabric apart from 2cm, and gassing frame speed is 70m/min.
C, mercerising：By the cotton by processing of singing by mercerizing machine, mercerization finish is carried out in the presence of soda bath；
Wherein, the concentration of soda bath is 240g/L, and temperature is 25 DEG C, and the tension force of mercerizing machine is 260N, and the processing speed of mercerizing machine is
40m/min。
D, acid cellulose ferment treatment：Cotton by mercerization finish is put into added with nonionic penetrant and acetic acid
Handled in acid cellulose enzyme solutions；Wherein the concentration of acidic cellulase is 1g/L, and the concentration of nonionic penetrant is
2g/L, the concentration of acetic acid is 1.5g/L, and the pH of acid cellulose enzyme solutions is 5.5, and the time of processing is 25min, and temperature is 52
℃；
E, alkali cleaning, hot water wash：Cotton Jing Guo above-mentioned processing is sequentially placed into soda ash solution and hot water and cleaned；Its
In, the concentration of soda ash solution is 2.5g/L, and temperature is 95 DEG C, and the hot water temperature is 95 DEG C.
F, drying：Cotton drying after over cleaning be can obtain into the cotton without scratch print, wherein, drying is using drying
Machine, dryer drying cylinder steam pressure is 0.23MP, and speed is 40m/min.
Cotton scratch print is removed using above-mentioned technology utilization acidic cellulase, the cloth cover undercoat after processing is several
It is removed, the clearance of scratch print reaches 98%.
Embodiment 3
The specific embodiment that the present embodiment removes cotton scratch print using acidic cellulase is as follows：
A, sanding：By cotton by roughing-up machine, the cotton for having scratch to print gently is ground using the carbon roller in roughing-up machine
Hair processing；Wherein, sanding uses two roller sandings, and the speed of roughing-up machine is 30m/min.
B, singe：The cotton handled by sanding is subjected to processing of singing by gas singeing machine；Wherein, gas singeing machine
Using three positive burners, flame temperature is 900 DEG C, and flame is with fabric apart from 2cm, and gassing frame speed is 70m/min.
C, mercerising：By the cotton by processing of singing by mercerizing machine, mercerization finish is carried out in the presence of soda bath；
Wherein, the concentration of soda bath is 240g/L, and temperature is 30 DEG C, and the tension force of mercerizing machine is 280N, and the processing speed of mercerizing machine is
35m/min。
D, acid cellulose ferment treatment：Cotton by mercerization finish is put into added with nonionic penetrant and acetic acid
Handled in acid cellulose enzyme solutions；Wherein, the concentration of acidic cellulase is 1g/L, and the concentration of nonionic penetrant is
3g/L, the concentration of acetic acid is 2g/L, and the pH of acid cellulose enzyme solutions is 5, and the time of processing is 25min, and temperature is 55 DEG C.
E, alkali cleaning, hot water wash：Cotton Jing Guo above-mentioned processing is sequentially placed into soda ash solution and hot water and cleaned；Its
In, the concentration of soda ash solution is 3g/L, and temperature is 90 DEG C, and the hot water temperature is 90 DEG C.
F, drying：Cotton drying after over cleaning be can obtain into the cotton without scratch print, wherein, drying is using drying
Machine, dryer drying cylinder steam pressure is 0.23MP, and speed is 40m/min.
Cotton scratch print is removed using above-mentioned technology utilization acidic cellulase, the cloth cover undercoat after processing is several
It is removed, the clearance of scratch print reaches 96%.
Comparative example
The effect removed is printed to scratch in order to protrude present invention process each step mutual cooperation, and to the mill of pretreatment
Hair, singe, the effect of the step played in whole technique such as mercerising is illustrated, the production technology of embodiment 1 is modified,
Each processing step and condition is better described to going the played effect of scratch print.
A, by the sanding in embodiment 1, singe, mercerising pre-treatment step remove (remaining step and process conditions and implementation
Example 1 is identical), directly the cotton with scratch print is handled using acidic cellulase, print is as a result abraded on cotton
Clearance there was only 42%.Because not by pretreatment, it is impossible to cotton surface is abraded the fibre pick at print, without
The cotton fibre at scratch print can be made to depart from cloth cover, and only defeathering polishing is hydrolyzed to the scratch print for playing fine hair in acidic cellulase
Processing, could eliminate scratch print, and heavier for some scratches, and the scratch print of non-teasing is then difficult to remove.
B, by embodiment 1 sanding pretreatment remove (remaining step and process conditions are identical with embodiment 1), tie
The clearance that print is abraded on fruit cotton only has 53%, and its reason is as comparative example a.
C, by singing in embodiment 1 or mercerising while remove, or one of which remove (remaining step and process conditions and
Embodiment 1 is identical), the clearance that print is as a result abraded on cotton only has 66%, although remains sanding and abrades print to cotton
The processing at place, makes it produce fine hair, but if being singed and mercerising without follow-up, it is also difficult to realize the complete removal of fine hair,
The technique effect of embodiment 1 is not reached.
D, by the acidic cellulase in embodiment 1, the concentration of nonionic penetrant and acetic acid is changed to acid cellulose
The clearance that print is abraded on enzyme 0.8g/L, nonionic penetrant 1.5g/L, acetic acid 1g/L, pH value 5.8, cotton is 83%.This is
Because acid cellulose enzyme dosage is few, hydrolysis polishing effect of the acidic cellulase to fine hair have impact on；Nonionic penetrant
Consumption is few, also have impact on diffusion of the acidic cellulase to fabric.
E, the pH value of the acid cellulose enzyme solutions in embodiment 1 is changed to pH value 3, pH value 6, pH value 8 remaining step respectively
Rapid and process conditions are identical with embodiment 1), the clearance that print is as a result abraded on cotton is respectively 65%, 85%, 35%,
So it is because pH value is too small and excessive, then to influence the effect of the reactivity degree of acidic cellulase, reduction hydrolysis and polishing,
So that the removal effect reduction of scratch print.
F, the soda ash solution cleaning step in embodiment 1 removed into (remaining step and the complete phase of process conditions and embodiment 1
Together), the as a result strength damage 30% of cotton, if being so because no soda ash solution to acidic cellulase go out except living
Property, the acidic cellulase of the residual on cotton can produce Continuous Damage to cotton, cause strength to decline.
In addition, inventor has also been carried out preferably to the parameters in specific handling process of the invention, in present invention restriction
Technological parameter under cotton can be made to go scratch to print effect reach most preferably, while can make that cloth cover is bright, smooth, softness again, have
Body technology parameter is preferably as follows：
1st, (other techniques and parameter are in this hair for influence of the different roughing process to the removal effect of scratch print and fabric quality
In the range of bright restriction), as a result as shown in table 1：
The removal effect and fabric quality of print are abraded under the different roughing process of table 1
Find out in above-mentioned table 1, triple-roller mill felt side strength damage is serious, it is impossible to apply；Two roller sandings, 40m/min cars
Speed, cloth cover also has minor scratches print, it is impossible to apply；Two roller sandings, 20m/min speeds, cloth cover strength damage is serious, it is impossible to should
With；Two roller sandings, 30m/min speeds, cloth cover strength is impaired less, and scratch print is eliminated, and is optimal roughing process.
2nd, (other techniques and parameter are in this hair for influence of the different singeings to the removal effect of scratch print and fabric quality
In the range of bright restriction), as a result as shown in table 2：
The removal effect and fabric quality of print are abraded under the different singeings of table 2
Lower machine cloth of singing singes 5 grades of series to be best, and cloth cover is hairless；1 grade is worst, is not singed.Find out in table 2, two
The lower machine cloth of positive burner singeing is singed, and series is low less than 3.5 grades, and cloth cover also has more suede undercoat not dryout only, it is impossible to should
With；Three positive burners, the lower machine cloth ultimate strength of speed 60m/min singeings reduce more, it is impossible to apply；Three positive burners, car
Fast 80m/min singeings are singed, and series is low 4 grades, and cloth cover also has a small amount of down not dryout only, it is impossible to apply；Three positive burners,
Speed 70m/min singeings are singed, and series is low 4.5 grades, and cloth cover only has few down, and cloth cover ultimate strength damage very little is
Optimal singeing.
3rd, (other techniques and parameter are in this hair for influence of the different mercerizations to the removal effect of scratch print and fabric quality
In the range of bright restriction), as a result as shown in table 3：
The removal effect and fabric quality of print are abraded under the different mercerizations of table 3
| Concentration of caustic soda g/L | Mercerising speed m/min | Cloth cover effect |
| 200 | 40 | Cloth cover is without undercoat, the obvious harsh feeling of feel, |
| 220~250 | 40 | Cloth cover is without undercoat, and feel has trickle velvet |
| 270 | 40 | Cloth cover is without undercoat, and feel has trickle velvet |
Find out in above-mentioned table 3, during 220~250g/L of concentration of caustic soda, cloth cover has trickle velvet without undercoat, is optimal silk
Light technique.
4th, different acid cellulose enzyme concentrations influence (other techniques and parameter to the removal effect and fabric quality of scratch print
In the framework of the present definition), as a result as shown in table 4：
The different acid cellulose enzyme concentrations of table 4 are to the removal effect of scratch print and the influence of fabric quality
Find out in upper table 4, when acidic cellulase is that concentration 0.5g/L handles cloth cover, cloth cover has pole minor scratches print
Trace, brightless, feel is not smooth, and this technique can not be applied；When acidic cellulase is that concentration 1.5g/L handles cloth cover, cloth cover is strong
Power damage is serious, and this technique can not be applied；When acidic cellulase is that concentration 1g/L handles cloth cover, cloth cover light prints without scratch,
The smooth softness of feel, cloth cover strength damage is smaller, and this technique is optimal acid cellulose enzyme treatment process.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. the technique that a kind of utilization acidic cellulase removes cotton scratch print, it is characterised in that comprise the following steps：
A, sanding：By cotton by roughing-up machine, using the carbon roller in roughing-up machine to there is the cotton that scratch prints to carry out at light sanding
Reason；
B, singe：The cotton handled by sanding is subjected to processing of singing by gas singeing machine；
C, mercerising：By the cotton by processing of singing by mercerizing machine, mercerization finish is carried out in the presence of soda bath；
D, acid cellulose ferment treatment：It will be put into by the cotton of mercerization finish added with nonionic penetrant, acetic acid and acidity
Handled in the solution of cellulase；
E, alkali cleaning, hot water wash：Cotton Jing Guo above-mentioned processing is sequentially placed into soda ash solution and hot water and cleaned；
F, drying：Cotton drying after over cleaning be can obtain into the cotton without scratch print.
2. a kind of technique that utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that step
In A, the sanding uses two roller sandings, and the speed of roughing-up machine is 30m/min.
3. a kind of technique that utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that step
In B, the gas singeing machine uses three positive burners, and flame temperature is 850~900 DEG C, flame and fabric 1~2cm of distance, and is burnt
The speed of hair machine is 70m/min.
4. a kind of technique that utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that step
In C, the concentration of the soda bath is 220~250g/L, and temperature is 20~25 DEG C, the tension force of the mercerizing machine for 250~
280N, processing speed is 40~45m/min.
5. a kind of technique that utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that step
In D, the concentration of the acidic cellulase is 1g/L, and the concentration of nonionic penetrant is 2~3g/L, the concentration of acetic acid for 1~
2g/L, the processing time of the acid cellulose enzyme solutions is 25~30min, and temperature is 45~55 DEG C.
6. the technique that a kind of utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that described
Nonionic penetrant is AEO.
7. the technique that a kind of utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that described
The pH value of acid cellulose enzyme solutions is 4~6.
8. a kind of technique that utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that step
In E, the concentration of the soda ash solution is 2~3g/L, and temperature is 80~100 DEG C, and the hot water temperature is 90~100 DEG C.
9. a kind of technique that utilization acidic cellulase removes cotton scratch print as claimed in claim 1, it is characterised in that step
In F, the drying uses dryer, and dryer drying cylinder steam pressure is 0.2~0.25MP, and speed is 40m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN114875597A (en) * | 2022-05-26 | 2022-08-09 | 佛山市顺德区东奥宏特印染有限公司 | Dyeing and finishing process of knitted cotton fabric with cool and thick hand feeling and product thereof |
| CN115233409A (en) * | 2022-08-17 | 2022-10-25 | 互太(番禺)纺织印染有限公司 | Dyeing and printing process of cotton fabric |
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