CN1172052C - Ultraviolet laser method for improving dyeing peformance of cationic dye on polyester fabric - Google Patents
Ultraviolet laser method for improving dyeing peformance of cationic dye on polyester fabric Download PDFInfo
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- CN1172052C CN1172052C CNB021363293A CN02136329A CN1172052C CN 1172052 C CN1172052 C CN 1172052C CN B021363293 A CNB021363293 A CN B021363293A CN 02136329 A CN02136329 A CN 02136329A CN 1172052 C CN1172052 C CN 1172052C
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Abstract
The present invention relates to a method for changing the dyeing performance of cationic dyes of polyester fabrics by an ultraviolet laser. In the method, the surface shapes and the surface base groups of the polyester fabrics are changed by an excimer ultraviolet laser, and periodic undulant structure vertical to a fiber axis is formed on the surfaces of polyester fibers, so the processing method of dyeability of cationic dyes is achieved. The method is especially suitable for dacron fabrics, and can increase the range of dyes used for the dacron fabrics. The method of the present invention not only has convenience, practicality, no damage to the main body structure of the fabrics, and no influence on integral performance of the fabrics, but also is a clean production method.
Description
Technical field
The present invention is an invention that changes the polyester-containing textiles dyeability, promptly is the method that a kind of Ultra-Violet Laser changes polyester-containing textiles cationic dyeing performance.Feature of the present invention is configuration of surface and the surface group that changes polyester-containing textiles by Excimer UV laser, makes it to obtain the processing method of cationic dye capable of dyeing.Be particularly useful for dacron, can increase the scope that this kind fabric is selected dyestuff for use.Ultra-Violet Laser irradiation polyester-containing textiles, the fiber surface in textiles forms the periodic undulations shape structure perpendicular to fiber axis, and this phenomenon also has very big scientific value in the repercussion study of laser and macromolecular material.
Background technology
Polyester-containing textiles has purposes widely in industrial and agricultural production and people's daily life.Polyester fiber is owing to lack the group that can combine with dyestuff in the molecular structure, arrange closely between the simultaneously big molecule, therefore can only adopt DISPERSE DYES under High Temperature High Pressure (130 ℃), to dye, dyeing conditional request height, the selection faciostenosis of dyestuff (Wang Jusheng, Sun Kai chief editor, principle of dyeing and finishing process, China Textiles Press, nineteen eighty-three front page).For a long time, the dyeability of improvement polyester fiber is research worker's a important subject always.Cation dyes are bright-colored, and fastness to light is good, are mainly used in the dyeing of acrylic fiber, and the dyeing of some polyester fibers that are used for polymeric modification is arranged recently, but to the great conventional polyester fiber of use amount can not on dye, limited its use.
The characteristic pattern that laser irradiation material surface forms at material surface, only relevant with the performance and the Wavelength of Laser of material, for example on semi-conducting material Ge, form periodically striped (Young Jeff F., Preston J.S., Van Driel H.M.﹠amp; Sipe J., Laser-induced periodic surface structureII experiments on Ge, Si, Al and Brass, Physics Review 1983, B127 (2): 1155).Adhesion strength (Toshio OKAMOTO, the TomoakiSHIMIZU ﹠amp of all right reinforced TFE of Ultra-Violet Laser; Ken HATAO, Development of Even Exposure System forImprovement of Dyeing Properties of Fluorocarbon-Resin Surface, LaserScience Progress Report of RIKEN (Japanese), 1997,19:67-69).
Summary of the invention
The purpose of this invention is to provide the method that a kind of Ultra-Violet Laser changes polyester-containing textiles cationic dyeing performance.
In order to solve the foregoing problems of prior art, the present invention carries out surface treatment 1～50 time with Excimer UV laser to polyester-containing textiles, after Ultra-Violet Laser is with certain irradiation intensity irradiation polyester-containing textiles, change the configuration of surface and the surface group of textiles, in the periodic undulations shape structure of fiber surface formation perpendicular to fiber axis, some chemical change takes place in fiber surface simultaneously.With these polyester-containing textiles through laser irradiation, dye with cation dyes, cation dyes are dyed on can be obviously as a result.
Described Ultra-Violet Laser radiation treatment (seeing accompanying drawing 1) is to be that wavelength is, energy density is 25～400mJ/cm between 180～370nm
2Between, pulse width is the laser beam G1 (producing from excimer laser (1-1)) of 10～50ns, behind uniform device (1-2), become uniform light beam G2, behind speculum (1-3) reflection and adjustable imaging device (1-4), become the light beam G3 that is shaped as regular rectangular shape, shine on the textiles (1-6) that is placed on the two-dimentional workbench (1-5), same position irradiation number of times is between 1～50 time.
Description of drawings
Fig. 1 polyester-containing textiles Excimer UV laser irradiation treating apparatus;
Fig. 2 polyester textile is λ through wavelength
1And λ
2Excimer UV laser irradiation handle rear surface well-regulated fluctuating shape structure;
Fig. 3 cationic dyeing process curve.
In the accompanying drawing 1,1-1 is an excimer laser, and 1-2 is a uniform device, and 1-3 is a speculum, 1-4 is adjustable imaging device, and 1-5 is two-dimentional workbench, and 1-6 is a textiles, and G1 is a laser beam, G2 is even laser beam, and G3 is the regular rectangular shape laser beam, and X and Y represent the axial of two-dimentional workbench.Fig. 1 shows that laser beam G1 produces from excimer laser (1-1), behind uniform device (1-2), behind speculum (1-3) reflection and adjustable imaging device (1-4), become the light beam G3 that is shaped as regular rectangular shape, shine on the textiles (1-6) that is placed on the two-dimentional workbench (1-5).
Method of the present invention is carried out surface irradiation to fiber and is handled with Excimer UV laser irradiation polyester-containing textiles surface, makes its surface that some chemical change take place, make cation dyes can on dye, method therefor is simple.Utilize this treatment technology can carry out the treatment with irradiation of different pattern, can obtain required decorative pattern by dyeing to textiles.Because material is bigger to the absorption coefficient of Ultra-Violet Laser, and action time is shorter, only changes the character of textile surface, does not destroy the body construction of textiles, web integrity can be unaffected.The processing procedure cleaning, the chemical contamination when no chemical modification is handled.
Method of the present invention is simple and practical, is a kind of method that is suitable for suitability for industrialized production.
The specific embodiment
To help to understand the present invention by following embodiment, but not limit content of the present invention.
At first dacron is carried out the Ultra-Violet Laser radiation treatment, used optical maser wavelength is λ
1And λ
2For wavelength is two kinds of different PRKs between 180～370nm, the pulse width of laser is 20～40ns.Treating apparatus such as Fig. 1, the energy density of laser is 50～150mJ/cm
2, the size of laser facula is 4mm * 6mm, and dacron is made by DTY, and processing area is 12cm * 6cm, and irradiated number of times is 5～10 times.The used rotating speed of motor of workbench is 200 rev/mins, and the translation by workbench scans the entire process zone successively.The well-regulated fluctuating shape structure in dacron surface after the Excimer UV laser irradiation of different wave length, its formation is seen Fig. 2-1 and Fig. 2-2 perpendicular to the periodic undulations structure of fibre axis.Different optical maser wavelength irradiation can produce different spout widths, different periodic structures.
Adopt three kinds of different cationic dyeing prescriptions to obtain the dyeing curve, as shown in Figure 3 according to the normal dyeing method of cation dyes.Three kinds of different cationic dyeing prescriptions are as follows:
Prescription 1
Cationic Pure Blue GB (C.I.Basic Blue 3) (power part 250%) 2% (o.w.f.), retarding agents 12270.5% (o.w.f.), acetic acid-sodium acetate buffer solution is regulated pH value to 4.5, adds distilled water to 60ml.Cloth weighs 2 grams, bath raio: 30: 1.
Prescription 2
Cationic golden yellow X-GL (C.I.Basic Yellow 28) 2% (o.w.f.), retarding agents 1,227 0.5% (o.w.f.), acetic acid-sodium acetate buffer solution is regulated pH value to 4.5, adds distilled water to 60ml.Cloth weighs 2 grams, bath raio: 30: 1.
Prescription 3
Cationic Red X-GRL (C.I.Basic Red 46) (power part 250%) 2% (o.w.f.), retarding agents 1,227 0.5% (o.w.f.), acetic acid-sodium acetate buffer solution is regulated pH value to 4.5, adds distilled water to 60ml.Cloth weighs 2 grams, bath raio: 30: 1.
Above-mentioned dacron dyeing after washing dries.The mensuration that the dacron that uses Datacolor SF600 color measurement and color match system that identical prescription before and after the laser treatment is dyeed carries out colour brightness, brightness value is CIE L
*a
*b
*L in the colour system
*Value, numerical value is between 0～100, and its value is more little, and the expression color sample is dense more.The result is shown in table 1 and 2.
The dacron of the Excimer UV laser treatment of table 1 different-energy density and pulse number
With the brightness value L after the Cationic Pure Blue GB dyeing
*
Energy density pulse number L
*
The sample 90.54 of laser treatment not
5 times 89.74
50mJ/cm
-2
10 times 89.70
5 times 87.24
100mJ/cm
-2
10 times 82.93
5 times 83.36
150mJ/cm
-2
10 times 82.74
Table 2 dacron is after the Excimer UV laser treatment
Use three kinds of brightness value L behind the cationic dyeing respectively
* a
Dye species L
*
The sample 90.54 of laser treatment not
Bright blue GB
Sample 82.93 through laser treatment
The sample 90.79 of laser treatment not
Golden yellow X-GL
Sample 86.65 through laser treatment
The sample 88.80 of laser treatment not
Red X-GRL
Sample 86.77 through laser treatment
A: Excimer UV optical maser wavelength is λ
1, energy density is 100mJ/cm
2
As can be seen from the table, after the employing said method was handled, the dacron dyeing concentration obviously increased, and dyed on cation dyes are obvious, and wherein energy density is at 100mJ/cm
2More than, especially obvious under the 10 subpulse conditions.
Claims (2)
1 one kinds of Ultra-Violet Lasers change the method for polyester-containing textiles cationic dyeing performance, it is characterized in that handling the polyester-containing textiles surface 1～50 time by Excimer UV laser irradiation, change the configuration of surface and the surface group of polyester-containing textiles, make it to obtain the processing method of cationic dye capable of dyeing; This method wavelength is between 180～370nm, energy density is 25～400mJ/cm
2Between, pulse width is that the laser beam G1 of 10～50ns produces from excimer laser (1-1), become uniform light beam G2 through uniform device (1-2), behind speculum (1-3) reflection and adjustable imaging device (1-4), become the rectangular light beam G3 of regular shape, shine on the textiles (1-6) that is placed on the two-dimentional workbench (1-5).
2, a kind of Ultra-Violet Laser as claimed in claim 1 changes the method for polyester-containing textiles cationic dyeing performance, it is characterized in that described polyester-containing textiles is meant polyester woven fabric or knitted fabric.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB021363293A CN1172052C (en) | 2002-08-01 | 2002-08-01 | Ultraviolet laser method for improving dyeing peformance of cationic dye on polyester fabric |
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| CNB021363293A CN1172052C (en) | 2002-08-01 | 2002-08-01 | Ultraviolet laser method for improving dyeing peformance of cationic dye on polyester fabric |
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| CN1172052C true CN1172052C (en) | 2004-10-20 |
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| CN108589257B (en) * | 2018-03-21 | 2021-07-30 | 嘉兴职业技术学院 | Method for improving fluorescent dyeing K/S value by laser processing of nylon knitted fabric |
| CN109351716B (en) * | 2019-01-08 | 2021-04-02 | 常州英诺激光科技有限公司 | Method for cleaning fabric by laser |
| CN110042648A (en) * | 2019-05-14 | 2019-07-23 | 江苏田园新材料股份有限公司 | A kind of textile material dry modification methods based on laser emission |
| CN114673019B (en) * | 2022-04-14 | 2023-12-01 | 南通金仕达高精实业股份有限公司 | Method for preparing jacquard-like fabric through anhydrous modification and jacquard-like fabric |
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