CN108589257A - The method that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values - Google Patents
The method that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values Download PDFInfo
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- CN108589257A CN108589257A CN201810235425.9A CN201810235425A CN108589257A CN 108589257 A CN108589257 A CN 108589257A CN 201810235425 A CN201810235425 A CN 201810235425A CN 108589257 A CN108589257 A CN 108589257A
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- polyamide fibre
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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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/005—Laser beam treatment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/39—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using acid dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
- D06P3/241—Polyamides; Polyurethanes using acid dyes
-
- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Coloring (AREA)
Abstract
The present invention provides a kind of methods that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, belong to textile industry fabric field.The method that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, which is characterized in that comprise the steps of：Step a, fabric pre-processes；Step b, fabric is shaped；Step c, laser pre-treated；Step d, acid fluorescent staining and fixation；Step e, K/S values detect.It improves nylon fabric specific surface area by laser pre-treated, and fiber surface is made to become coarse, improves the hygroscopicity and permeability of polyamide fibre synthetic fibre, while laser treatment generates groove in fiber surface, can improve fabric abrasive fastness；The tinctorial yield of fluorescent dye is improved, K/S values are improved, improves brightness；Same color depth, which consumes dyestuff, to be reduced, and cost is reduced.
Description
Technical field
The invention belongs to textile industry fabric fields, are related to a kind of laser treatment polyamide fibre knitted fabric raising fluorescent staining K/S
The method of value.
Background technology
Fluorescence is a kind of relatively common luminescence phenomenon in nature, i.e., fluorescent chemicals are by the shorter ultraviolet light of wavelength
A kind of phenomenon of longer wavelengths of light is sent out after irradiation.When the shorter ultraviolet lighting of wavelength is mapped to Cucumber, these substances
The visible light of a variety of colors and varying strength can be launched within the extremely short time, and when ultraviolet light stops irradiating, this light
Line also soon disappears therewith, this kind of light is known as fluorescence.According to different excitation energy, fluorescence can be divided into different types：
The fluorescence emitted after being excited by high-velocity electron beam is referred to as electronic fluorescent；The fluorescence generated by excitation of X-rays is referred to as X-fluorescence；
The fluorescence caused by chemistry and electrochemical reaction is referred to as chemistry or electrochemiluminescence.
It is generally believed that fluorescent dye refers to one kind absorbs light wave in infrared or visible-range, another wavelength is given off
More than the dyestuff of absorbing wavelength light wave (i.e. fluorescence).It belongs to special functional material, and both the coloring with Conventional dye was special
Property, and fluorescence can be launched, fabric saturation degree and vividness can be made to improve for textile dyeing, under daylight or moonlight all
It can seem very eye-catching, and irradiate once stopping, luminescence phenomenon can also terminate quickly.The transmitting fluorescence that organic fluorescence molecule contains
Group is known as fluorogen.Common fluorescent material molecule all contain transmitting fluorophor (as=C=0 ,-N=N- ,-CH=N-,
Phenyl ring=NH) and absorbing wavelength can be made to change and with the auxochrome of Fluorescence Increasing (such as-NH ,-NHR ,-OR ,-NHCOR), have
The compound of rigidity, undersaturated plane polyene or aromatic ring structure often there is fluorescence and higher fluorescent quantum to imitate
Rate, any structure for being conducive to improve the electron conjugated degree of n will all improve fluorescence quantum efficiency.Conjugated bonds are greatly to a certain extent
Also fluorescence can be sent out, such as (- CH=CH-) n (n>2), benzene, tea, benzoquinone and benzheterocycle etc..Also, conjugated system is bigger,
The easier excitation of n electronics, fluorescence (or phosphorescence) more easy to produce, and fluorescence quantum yield increases in most cases, and fluorescence is just
It is stronger.
Fluorescent dye belongs to one kind of Functional dye.In recent ten years, organic fluorescent dye is widely used to organic
Fluorescent pigment and coating, the fluorescent dye of plastics and staple fibre, Optical Bleaching Agent, organic scintillator, rocket and steamer and big
The detecting a flaw of type equipment, chemistry and the organic fluorescence source in electrochemiluminescent, fluorescence chemical analysis, biology and medicine fluorescence show
The fields such as the fluorescence source of track and military affairs etc..Therefore, fluorescent dye has vast potential for future development.
Currently, most of iridescent fluorescent dye used for textiles in the market is dispersion fluorescent dye, and it is mainly used in
Polyester fiber is used for polyamide fibre and acetate fiber on a small quantity.Therefore, acid fluorescent dye is as developed fluorescent dye used for textiles
One of kind is studied it and is had a very important significance to the dyeability of nylon fibre.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of laser treatment polyamide fibre knitted fabric
The method for improving fluorescent staining K/S values, the technical problem to be solved is that the fluorescent staining K/S for how improving polyamide fibre knitted fabric for it
Value.
Object of the invention can be realized by the following technical scheme：A kind of laser treatment polyamide fibre knitted fabric raising fluorescence dye
The method of color K/S values, which is characterized in that comprise the steps of：
Step a, fabric pre-processes；
Step b, fabric is shaped；
Step c, laser pre-treated；
Step d, acid fluorescent staining and fixation；
Step e, K/S values detect.
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, the fabric in the step a
Pretreatment includes that fabric is placed in water by step, and -- being heated to 60-65 DEG C of addition treatment fluid --- is heated to 98-100 DEG C of progress
Kiering, time 50-60min --- carry out 90 DEG C, 80 DEG C, 60 DEG C and room temperature washing normal-temperature water are washed --- cloth outputting successively after cloth outputting
Dehydration.
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, the fabric in the step a
Specification is：100% polyamide fibre of material；Grammes per square metre (G/m2) 160 ± 5%；Width (centimetre) 152-154；Thickness (mm) 0.55-0.6 ±
0.02。
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, the fabric in the step a
The formula that pretreatment uses includes scouring agent 10-12g/L, sodium carbonate 10-12g/L, sodium hydrosulfite 8-10g/L and penetrating agent JFC 3-
5g/L, bath raio 1：20-1：30.
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, the fabric in the step b
Sizing carries out drying and processing by forming machine, and drying temperature is 190-200 DEG C, and drying time is 1-2 minutes.
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, the laser in the step c
To be surface-treated to polyamide fiber fabric using metal laser device, process conditions are for pretreatment：Optical maser wavelength：160-
252nm；Pulse frequency：250Hz；Laser intensity：5-6mJ/cm2；Laser output power：70W or 100W or 150W；Laser moves
Dynamic speed：30-35m/min；Positioning accuracy：±0.1mm；Power supply：AC220V ± 5%/50HZ.
It is acid glimmering in the step d in the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values
Light dyes and the technological process of fixation includes adding paregal O and glacial acetic acid --- and it is warming up to 40-50 DEG C and handles 15-
20min --- dye solution is added and rises to boiling in 30-40min, dyes 30-40min --- washing, fixation.
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, dyer in the step d
Skill prescription：Faintly acid fluorescent dye 1-3%owf；Glacial acetic acid is 0.5-0.8ml/L；Paregal O is 1-2g/L；Bath raio is 1:40-
1:50。
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, fixation is matched in the step d
Side includes aldehyde-free colour stabilizer 2-3g/L；Bath raio is 1:40-1：50, color fixing temperature is 75-80 DEG C；Time fixation time is 20-
25min。
In the method that above-mentioned laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, the step e carries out K/S
Stentering forming is carried out by forming machine before value detection, forming machine temperature is 190-200 DEG C, and drying time is 1-2 minutes.
Compared with prior art, the present invention has the following advantages that：
1, laser pre-treated improves nylon fabric specific surface area, and fiber surface is made to become coarse, improves the moisture absorption of polyamide fibre synthetic fibre
Property and permeability, while laser treatment fiber surface generate groove, fabric abrasive fastness can be improved；
2, the tinctorial yield of fluorescent dye is improved, K/S values are improved, improves brightness；
3, same color depth consumes dyestuff and reduces, and reduces cost.
Description of the drawings
Fig. 1 is the K/S value schematic diagrames that the present invention uses color measurement and color match instrument test fabric.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one：
The method that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, comprises the steps of：
Step a, fabric pre-processes；
Step b, fabric is shaped；
Step c, laser pre-treated；
Step d, acid fluorescent staining and fixation；
Step e, K/S values detect.
Further, the fabric pretreatment in step a includes that fabric is placed in water by step -- it is heated to 60 DEG C of additions
Treatment fluid --- be heated to 98 DEG C progress kierings, time 50min --- carried out successively after cloth outputting 90 DEG C, 80 DEG C, 60 DEG C and often
Warm water washes room temperature washing --- and cloth outputting is dehydrated.
Further, the fabric specification in step a is：100% polyamide fibre of material；Grammes per square metre (G/m2) 160 ± 5%；Width
(centimetre) 152；Thickness (mm) 0.55 ± 0.02.
Further, the formula that the fabric pretreatment in the step a uses includes scouring agent 10g/L, sodium carbonate 10g/
L, sodium hydrosulfite 8g/L and penetrating agent JFC 3g/L, bath raio 1：30.
Further, the fabric sizing in the step b carries out drying and processing by forming machine, and drying temperature is 200 DEG C, is dried
The dry time is 1 minute.
Further, the laser pre-treated in step c is to be carried out at surface to polyamide fiber fabric using metal laser device
Reason, process conditions are：Optical maser wavelength：160nm；Pulse frequency：250Hz；Laser intensity：5mJ/cm2；Laser output power：
150W；Laser traverse speed：30m/min；Positioning accuracy：±0.1mm；Power supply：AC220V ± 5%/50HZ.
Further, acid fluorescent staining and the technological process of fixation include adding paregal O and glacial acetic acid in step d ---
--- dye solution is added and rises to boiling in 30min, dyes 40min --- 40 DEG C is warming up to and handles 20min to wash, is solid
Color.
Further, dyeing prescription in step d：Faintly acid fluorescent dye 1-3% owf；Glacial acetic acid is 0.5-
0.8ml/L；Paregal O is 1-2g/L；Bath raio is 1:40-1:50.
Further, fixation formula includes aldehyde-free colour stabilizer 2g/L in step d；Bath raio is 1：50, color fixing temperature is 75 DEG C；
Time fixation time is 25min.
Further, stentering forming is carried out by forming machine before step e carries out K/S value detections, forming machine temperature is 200
DEG C, drying time is 1 minute.
Embodiment two：
The method that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, comprises the steps of：
Step a, fabric pre-processes；
Step b, fabric is shaped；
Step c, laser pre-treated；
Step d, acid fluorescent staining and fixation；
Step e, K/S values detect.
Further, the fabric pretreatment in step a includes that fabric is placed in water by step -- it is heated to 65 DEG C of additions
Treatment fluid --- be heated to 100 DEG C progress kierings, time 60min --- carried out successively after cloth outputting 90 DEG C, 80 DEG C, 60 DEG C and
Room temperature washing normal-temperature water is washed --- and cloth outputting is dehydrated.
Further, the fabric specification in step a is：100% polyamide fibre of material；Grammes per square metre (G/m2) 160 ± 5%；Width
(centimetre) 154；Thickness (mm) 0.6 ± 0.02.
Further, the formula that the fabric pretreatment in the step a uses includes scouring agent 12g/L, sodium carbonate 12g/
L, sodium hydrosulfite 10g/L and penetrating agent JFC 5g/L, bath raio 1：20.
Further, the fabric sizing in the step b carries out drying and processing by forming machine, and drying temperature is 190 DEG C, is dried
The dry time is 2 minutes.
Further, the laser pre-treated in step c is to be carried out at surface to polyamide fiber fabric using metal laser device
Reason, process conditions are：Optical maser wavelength：252nm；Pulse frequency：250Hz；Laser intensity：6mJ/cm2；Laser output power：
70W；Laser traverse speed：35m/min；Positioning accuracy：±0.1mm；Power supply：AC220V ± 5%/50HZ.
Further, acid fluorescent staining and the technological process of fixation include adding paregal O and glacial acetic acid in step d ---
--- dye solution is added and rises to boiling in 40min, dyes 30min --- 50 DEG C is warming up to and handles 15min to wash, is solid
Color.
Further, dyeing prescription in step d：Faintly acid fluorescent dye 1-3% owf；Glacial acetic acid is 0.5-
0.8ml/L；Paregal O is 1-2g/L；Bath raio is 1:40-1:50.
Further, fixation formula includes aldehyde-free colour stabilizer 3g/L in step d；Bath raio is 1:40, color fixing temperature is 80 DEG C；
Time fixation time is 20min.
Further, stentering forming is carried out by forming machine before step e carries out K/S value detections, forming machine temperature is 190
DEG C, drying time is 2 minutes.
Embodiment three：
The method that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, comprises the steps of：
Step a, fabric pre-processes；
Step b, fabric is shaped；
Step c, laser pre-treated；
Step d, acid fluorescent staining and fixation；
Step e, K/S values detect.
Further, the fabric pretreatment in step a includes that fabric is placed in water by step -- it is heated to 63 DEG C of additions
Treatment fluid --- be heated to 99 DEG C progress kierings, time 55min --- carried out successively after cloth outputting 90 DEG C, 80 DEG C, 60 DEG C and often
Warm water washes room temperature washing --- and cloth outputting is dehydrated.
Further, the fabric specification in step a is：100% polyamide fibre of material；Grammes per square metre (G/m2) 160 ± 5%；Width
(centimetre) 153；Thickness (mm) 0.58 ± 0.02.
Further, the formula that the fabric pretreatment in the step a uses includes scouring agent 11g/L, sodium carbonate 11g/
L, sodium hydrosulfite 9g/L and penetrating agent JFC 4g/L, bath raio 1：25.
Further, the fabric in the step b is shaped carries out drying and processing, drying temperature 190-200 by forming machine
DEG C, drying time 90s.
Further, the laser pre-treated in step c is to be carried out at surface to polyamide fiber fabric using metal laser device
Reason, process conditions are：Optical maser wavelength：200nm；Pulse frequency：250Hz；Laser intensity：5.5mJ/cm2；Laser output power：
100W；Laser traverse speed：32m/min；Positioning accuracy：±0.1mm；Power supply：AC220V ± 5%/50HZ.
Further, acid fluorescent staining and the technological process of fixation include adding paregal O and glacial acetic acid in step d ---
--- dye solution is added and rises to boiling in 35min, dyes 35min --- 45 DEG C is warming up to and handles 18min to wash, is solid
Color.
Further, dyeing prescription in step d：Faintly acid fluorescent dye 2%owf；Glacial acetic acid is 0.7ml/L；It is flat
Flat plus O is 1.5g/L；Bath raio is 1:45.
Further, fixation formula includes aldehyde-free colour stabilizer 2.5g/L in step d；Bath raio is 1:45, color fixing temperature 78
℃；Time fixation time is 23min.
Further, stentering forming is carried out by forming machine before step e carries out K/S value detections, forming machine temperature is 195
DEG C, drying time 90s.
One of important indicator to dyeing performance evaluation is exactly dye level, and dye level equation is in testee
Certain functional relation is established between absorption coefficient K and scattering coefficient S, with chromatic material concentration C in solid sample.Pass through meter
Obtained K/S values are bigger, and solid sample surface color is deeper, i.e., chromatic material concentration is higher, and dyeing performance is better.Make
It is as shown below (after black line is laser treatment, before grey lines are laser treatment with the K/S values of color measurement and color match instrument test fabric
).
Show that the K/S values after laser treatment are bigger than before laser treatment according to chart, K/S values variation reduction, rises when being raised to 6%
It is begun to decline to 7%, 6% (owf) is the maximum concentration of fluorescent yellow dye in summary, and advantages of the present invention can be obtained such as from above
Under：
1, laser pre-treated improves nylon fabric specific surface area, and fiber surface is made to become coarse, improves the moisture absorption of polyamide fibre synthetic fibre
Property and permeability, while laser treatment fiber surface generate groove, fabric abrasive fastness can be improved；
2, the tinctorial yield of fluorescent dye is improved, K/S values are improved, improves brightness；
3, same color depth consumes dyestuff and reduces, and reduces cost.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of method that laser treatment polyamide fibre knitted fabric improves fluorescent staining K/S values, which is characterized in that by following steps group
At：
Step a, fabric pre-processes；
Step b, fabric is shaped；
Step c, laser pre-treated；
Step d, acid fluorescent staining and fixation；
Step e, K/S values detect.
2. the method that laser treatment polyamide fibre knitted fabric according to claim 1 improves fluorescent staining K/S values, feature exist
In the fabric pretreatment in the step a includes that fabric is placed in water by step -- it is heated to 60-65 DEG C of addition processing
Liquid --- be heated to 98-100 DEG C progress kiering, time 50-60min --- carried out successively after cloth outputting 90 DEG C, 80 DEG C, 60 DEG C and
Room temperature washing normal-temperature water is washed --- and cloth outputting is dehydrated.
3. the method that laser treatment polyamide fibre knitted fabric according to claim 2 improves fluorescent staining K/S values, feature exist
In the fabric specification in the step a is：100% polyamide fibre of material；Grammes per square metre (G/m2) 160 ± 5%；Width (centimetre) 152-
154；0.55-0.6 ± 0.02 thickness (mm).
4. the method that laser treatment polyamide fibre knitted fabric according to claim 2 improves fluorescent staining K/S values, feature exist
In the formula that the fabric pretreatment in the step a uses includes scouring agent 10-12g/L, sodium carbonate 10-12g/L, sodium hydrosulfite
8-10g/L and penetrating agent JFC 3-5g/L, bath raio 1：20-1：30.
5. the method that laser treatment polyamide fibre knitted fabric according to claim 1 improves fluorescent staining K/S values, feature exist
In the fabric sizing in the step b carries out drying and processing by forming machine, and drying temperature is 190-200 DEG C, drying time 1-
2 minutes.
6. the method that laser treatment polyamide fibre knitted fabric according to claim 1 improves fluorescent staining K/S values, feature exist
In the laser pre-treated in the step c is to be surface-treated to polyamide fiber fabric using metal laser device, process conditions
For：Optical maser wavelength：160-252nm；Pulse frequency：250Hz；Laser intensity：5-6mJ/cm2；Laser output power：70W or
100W or 150W；Laser traverse speed：30-35m/min；Positioning accuracy：±0.1mm；Power supply：AC220V ± 5%/
50HZ。
7. the method that laser treatment polyamide fibre knitted fabric according to claim 1 improves fluorescent staining K/S values, feature exist
In acid fluorescent staining and the technological process of fixation include adding paregal O and glacial acetic acid in the step d --- it is warming up to 40-
50 DEG C and handle 15-20min --- dye solution is added and simultaneously rises to boiling, dyeing 30-40min --- water in 30-40min
It washes, fixation.
8. the method that laser treatment polyamide fibre knitted fabric according to claim 7 improves fluorescent staining K/S values, feature exist
In dyeing prescription in the step d：Faintly acid fluorescent dye 1-3%owf；Glacial acetic acid is 0.5-0.8ml/L；Paregal O
For 1-2g/L；Bath raio is 1:40-1:50.
9. the method that laser treatment polyamide fibre knitted fabric according to claim 1 improves fluorescent staining K/S values, feature exist
In fixation formula includes aldehyde-free colour stabilizer 2-3g/L in the step d；Bath raio is 1:40-1：50, color fixing temperature is 75-80 DEG C；
Time fixation time is 20-25min.
10. the method that laser treatment polyamide fibre knitted fabric according to claim 1 improves fluorescent staining K/S values, feature exist
Stentering forming is carried out by forming machine before, the step e carries out K/S value detections, forming machine temperature is 190-200 DEG C, is dried
The dry time is 1-2 minutes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113373711A (en) * | 2021-04-30 | 2021-09-10 | 江南大学 | Method for patterning nylon fabric |
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