CN104831518A - Atmospheric pressure plasma jet wet-method shrink-proofing method for wool knitted fabric - Google Patents
Atmospheric pressure plasma jet wet-method shrink-proofing method for wool knitted fabric Download PDFInfo
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- CN104831518A CN104831518A CN201510233235.XA CN201510233235A CN104831518A CN 104831518 A CN104831518 A CN 104831518A CN 201510233235 A CN201510233235 A CN 201510233235A CN 104831518 A CN104831518 A CN 104831518A
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Abstract
The invention discloses an atmospheric pressure plasma jet wet-method shrink-proofing method for a wool knitted fabric, and belongs to novel wool shrink-proofing finishing methods. According to the atmospheric pressure plasma jet wet-method shrink-proofing method, the surface of wet wool is modified by using atmospheric pressure plasma jet (APPJ). On the premise that the mechanical property and the dyeing fastness of wool are generally not affected, etching of APPJ to the scale layer of wool can be enhanced by using the wet-method treatment process, the static and dynamic orientation friction effect of the scale of wool can be reduced, the wool knitted fabric can meet the machine-washable standard that the shrink-proofing rate is less than 8.0%, and the apparent dyeing depth of the wool knitted fabric, by reactive dyes can be improved. The APPJ wet-method treatment disclosed by the invention has the characteristics of low environment requirements, simplicity and convenience in processing and treatment, small fiber damage and the like, the treatment effect of APPJ on wool fabrics with high moisture regain can be improved, limit on wet processing on wool in practical application can be reduced, and thus convenience can be provided for industrial popularization and application of the atmospheric pressure plasma jet wet-method shrink-proofing method.
Description
Technical field
The present invention relates to a kind of normal pressure jet plasma that utilizes and surface modification is carried out to the wool of hygrometric state, belong to the technical field of preventing felting and shrinking of wood fabric Final finishing.
Background technology
The direction friction effect (DFE) of wool surface scale layer, can make wool textile that felting phenomenon occurs in washing process, has a strong impact on its outward appearance, feel, easy care performance energy and wearability.Therefore, the emphasis reducing wool textile felting property is the DFE reducing wool, and main chemical method or the Physical of adopting arranges at present.Typical chemical method is that chlorination is conspicuous can Saite RESIN FINISH, and its anti-felting effect is remarkable, but technique is loaded down with trivial details, and the Adsorbable organic halogens (AOX) of generation can health risk and environment.
In recent years, be that the application of Physical in field of textiles of representative receives much attention with lower temperature plasma technology, particularly atmospheric plasma body technique, due to low to environmental requirement, processing process is easy, little of energy-conserving and environment-protective etc. to fibre damage, more with potential applications in actual production.Atmospheric plasma only etches in fiber surface 550 nm, and at the active group that fiber surface excites generation new, the DFE of wool can be reduced, the shrinkproof of wool textile can not only be improved, and its moisture pick-up properties, antistatic property and dyeability can be improved.
At present except atmospheric dielectric barrier discharge plasma (DBD) is with except atmospheric pressure glow discharge plasma (APGD), normal pressure jet plasma (APPJ) becomes the study hotspot of field of textiles gradually, APPJ is used for the feld proofing of wool fabric by the people such as such as Hatice Aylin Karahan and AlbertoCeria, but tricot de laine seldom can be made to reach the report of " machine washable " standard.Secondly, because wool fibre has higher regain, and need to carry out the wet processing such as scouring of wool, therefore, moisture or the impact of ambient humidity on APPJ process wool fabric most important, but not yet have research in this respect so far.
Summary of the invention
The invention provides a kind of method for sorting normal pressure jet plasma (APPJ) technology being applied to hygrometric state tricot de laine, significantly reducing the change in size that tricot de laine produces because of felting when washing, thus improve the added value of tricot de laine.
Technical scheme: for achieving the above object, by the following technical solutions, concrete steps comprise as follows in the present invention.
Wool sample alcohol vibration is cleaned 10 min by step 1, and with distilled water cleaning, constant temperature and humidity (temperature 20 DEG C, humidity 65 %) balances 24 more than h, for subsequent use as former state.
Step 2 uses jet plasma (APPJ) to carry out surface treatment to wool.
Step 3, according to industry standard FZ/T 70009-2012, carries out shrinkproof evaluation to sample.
Sample in described step 1 comprises the wool product such as yarn and knitted fabric.
The wool sample of different water capacity can be processed in described step 2, comprise dry state textiles, hygrometric state textiles and water logging textiles.
The work atmosphere that APPJ occurs in described step 2 is helium (He), oxygen (O
2) mist.Through optimizing, in described step 2, APPJ discharge power is 150 W, and processing speed is 12.0 mm/s, and sample distance outlet height is 5.0 mm, He/O
2control at 30.0/0.4 L/min.
Test the industry standard FZ/T 70009-2012 of shrinkproof in described step 3 for " wool spinning product is lax size changing rate and felting size changing rate test method after washing ", result is identified by the third party authority testing agency of certification qualification and is provided.
According to above technical scheme, following beneficial effect can be realized: APPJ process can be carried out under room temperature atmospheric pressure environment, little to wool Effect on Mechanical Properties; Moisture is comparatively large on the impact of APPJ process wool surfaces microscopic pattern, and the APPJ process of hygrometric state is particularly remarkable to the etching effect of scale, obvious to the static and dynamic Status direction friction effect effect of wool; Compared with former state, the process of APPJ can improve the DIMENSIONAL STABILITY of woollen jersey, weakens the felting property of fabric, and the knitted fabric of especially hygrometric state APPJ process reaches the standard that felting rate is less than the machine washable of 8.0 % substantially; The APPJ process of hygrometric state can improve the dyeability of tricot de laine, but does not affect its fastness to soaping.The present invention will be conducive to improving APPJ to the treatment effect of high regain wool textile, be conducive to reducing in practical application the restriction of processing of wetting to wool, thus be the industrialization of this invention
Apply and provide convenient.
Accompanying drawing explanation
Fig. 1 is the impact of humidity on APPJ process wool sample scans Electronic Speculum figure (SEM), wherein: (a) former state fabric is without APPJ process; The APPJ process of (b) dry state fabric; The APPJ process of (c) wet web; The APPJ process of (d) water logging fabric.
Fig. 2 is the impact of humidity on APPJ process wool sample mechanical property, wherein: the ultimate strength change of (a) sample; The elongation at break change of (b) sample.
Detailed description of the invention
Below in conjunction with embodiment the present invention done and describe in detail further, but the scope of protection of present invention is not limited to the scope that embodiment represents.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.It is below the embodiment to concrete material processed.
Embodiment 1.
The Cement Composite Treated by Plasma of dry state wool textile.
Wool textile balances after 48 h carry out damping under the condition of temperature 20 ± 1 DEG C and humidity 10 ± 1 %, and be evenly laid on operating desk by sample, all carry out Cement Composite Treated by Plasma respectively at ambient pressure to its tow sides, every face processes 1 time.Regulate plasma generator parameter: discharge power is 150 W, and processing speed is 12.0 mm/s, sample distance outlet height is 5.0 mm, He/O
2control at 30.0/0.4 L/min.
Embodiment 2.
The Cement Composite Treated by Plasma of hygrometric state wool textile.
Wool textile is placed after 48 h carry out balance damping at the condition lower seal of temperature 20 ± 1 DEG C and humidity 98 ± 1 %, and be evenly laid on operating desk by sample, all carry out Cement Composite Treated by Plasma respectively at ambient pressure to its tow sides, every face processes 1 time.Regulate plasma generator parameter: discharge power is 150 W, and processing speed is 12.0 mm/s, sample distance outlet height is 5.0 mm, He/O
2control at 30.0/0.4 L/min.
Embodiment 3.
The Cement Composite Treated by Plasma of water logging wool textile.
Wool textile is immersed in distilled water, and place after 48 h carry out balance damping at the condition lower seal of temperature 20 ± 1 DEG C, be evenly laid on operating desk by sample, all carry out Cement Composite Treated by Plasma respectively at ambient pressure to its tow sides, every face processes 1 time.Regulate plasma generator parameter: discharge power is 150 W, and processing speed is 12.0 mm/s, sample distance outlet height is 5.0 mm, He/O
2control at 30.0/0.4 L/min.
the invention process effect.
(1) microscopic appearance of wool surfaces is processed
To the sample of the different water capacities processed according to embodiment 1, example 2 and example 3, use ESEM (JSM-5600LV Model, NEC Optical Co., Ltd) Morphology analysis is carried out to the surface of wool fibre before and after APPJ process, after sample under vacuum metal spraying, multiplication factor 5000 times observation.
The SEM of APPJ is as shown in accompanying drawing Fig. 1.
As can be seen from (a) in Fig. 1 ~ (d), former state scale is high-visible, and edge is complete, and corner angle are clearly demarcated, and scale overlap covers and forms stepped construction; After Cement Composite Treated by Plasma, the corrasion of fiber surface subject plasma, there is a large amount of micro-hole and small spot in surface, wherein a large amount of fragments or obvious crackle appear in dry state wool surfaces scale; The passivation of hygrometric state wool scale is obvious, and edge is tending towards flat and covers, and reduces with fiber trunk difference; Water logging wool scale taper and root are difficult to identification, and top end rake angle does not exist, and surface is smooth-out.
After preliminary treatment and binarization segmentation are carried out to the SEM image gathered, carry out quantitative analysis by the morphological feature parameter of Image J image analysis software to wool fibre.Choose distance between adjacent two scale free edges as scale height, and according to fineness, scale height, scale area, the scale girth of wool fibre, scale angle angles etc. calculate scale standard girth (scale girth/fibre fineness) and scale standard area (scale area/fibre fineness), and characterization result is in table 1.
APPJ process wool scale layer quantitatively characterizing result under table 1 different humidity.
As known from Table 1, along with the increase of wool water capacity, after APPJ process, originally scale structure destroys gradually, and scale area and scale height all can reduce, and scale edge is more and more irregular, and therefore data result is consistent with the direct vision situation of SEM.
(2) direction friction effect of wool fibre is processed.
Utilize Y151 fiber type frictionmeter (Changzhou second textile instrument factory) to measure static and dynamic friction coefficient and the direction friction effect of wool fibre before and after APPJ process, calculate as shown in formula 1 and formula 2, wherein μ is coefficient of friction; f
0for clips quality, 200 mg(wool fibre crispation numbers are more); Reading value on weighing scale to test twisting force when m is test sound state friction co-efficient value, unit is mg; μ
2forbidden lamella sheet coefficient of friction; μ
1along scale coefficient of friction, measure 10 times its average, measurement result is in table 2;
formula 1
formula 2.
Table 2 humidity is on the impact of APPJ process wool sample frictional behaviour.
Close examination table 2, when characterizing the DFE of wool with static state or dynamic friction coefficient, compared with former state, after APPJ process, the DFE of dry state, hygrometric state and immersion wool declines all to some extent, and little all than dry state fabric of the static DFE of wet web and dynamically DFE, and hygrometric state and immersion process the static DFE of two kinds of damping modes and dynamically DFE difference is very micro-.
(3) mechanical property of wool yarn is processed.
With reference to GB/T 3916-2013 " mensuration of textiles package yarn single yarn ultimate strength and elongation at break " (CRE method), single thread force-machine (Laizhou Electron Instrument Co., Ltd.) carries out the test of ultimate strength and elongation at break, stretching distance is 500 mm, draw speed is 500 mm/min, to wool yarn (32/2 pure wool yarn, Xinjiang quintar Woolen Textile Co., Ltd provides), survey and average for 20 times, result is as shown in accompanying drawing Fig. 2.
Can be drawn by (a) in Fig. 2 and (b), the impact of humidity on APPJ process wool sample mechanical property is less.
(4) shrinkproof of tricot de laine is processed.
With reference to FZ/T 70009-2012 testing standard and method, test result is by third party testing agency ITS(Tianxiang quality technology Services Co., Ltd) provide, as shown in table 3.
Under the different water capacity condition of table 3, before and after APPJ process, the felting rate of sample changes.
Known by table 3, compared with former state, the flat tricot de laine of individual layer latitude (190 g/m
2xinjiang quintar Woolen Textile Co., Ltd provides) after APPJ process, the transverse direction of dry state, hygrometric state and immersion sample or longitudinal size rate of change and felting rate obviously decline, especially the hygrometric state knitted fabric of APPJ process, anti-felting effect is best, reach the felt proofing standard (8.0 below %) that International Wool Secretariat specifies, the wool fabric of process has the effect of " machine washable ".
(5) dyeability of tricot de laine is processed.
With LANSOL red 6G, the tricot de laine of former state and hygrometric state APPJ process is dyeed, adopt the color measuring system (Hunter Lab UItrascan PRO) to measure before and after fabric treating
k/S, L*, a*, b*, C*, hetc. color feature value; Dyefastness test is with reference to GB/T 3921-2008 " textile color stability test fastness to soaping ", and result is provided by third party testing agency (in the spin industrial detection center) qualification of authority, and test result is in listed by table 4.
Dyeing is as follows: dyestuff 2.0 %(to fabric weight, owf), glauber salt 5.0 %(owf), wool bleeding agent Y-228 2.0 %(owf), HAc 2.0 %(owf), bath raio 1:40,40 DEG C enter dye, with the programming rate to 90 DEG C of 1 DEG C/min, be incubated 60 min, washing, soaps, washing, dries.
Table 4 humidity is on the impact of APPJ process wool test dyeing performance.
Close examination table 4, compared with former state, hygrometric state APPJ process is woolen dyed
k/Svalue improves, lightness
l*reduce.Therefore, humidity is conducive to the deep-cutting gorge improving APPJ process wool.In addition, the fastness to soaping impact of humidity on APPJ process is little.
Claims (7)
1. utilize normal pressure jet plasma to carry out a method for wool wet method felt proofing, it is characterized in that: it comprises the following steps:
Wool textile uses solvent to shake preliminary treatment by step 1, removes pollutant and other organic impuritiess of remained on surface.
Step 2 utilizes jet plasma (APPJ) technology to process wool sample.
Step 3, according to country or industry standard, is tested the mechanical property of sample, shrinkproof and dyeability.
2. one according to claim 1 utilizes normal pressure jet plasma (APPJ) to carry out the method for wool wet method felt proofing, it is characterized in that: described in step 1, sample balances damping in accordance with the following methods, dry state fabric: temperature 20 ± 1 DEG C, humidity 10 ± 1 %, balances 48 more than h; Wet web: temperature 20 ± 1 DEG C, humidity 98 ± 1 %, balances 48 more than h; Water logging fabric: temperature is 20 ± 1 DEG C, sample is immersed in 48 more than h in water, and sealing is placed for subsequent use.
3. one according to claim 1 utilizes normal pressure jet plasma (APPJ) to carry out the method for wool wet method felt proofing, it is characterized in that: the treatment conditions of the normal pressure jet plasma described in step 2 are:
Power is 150 W;
Processed wool surfaces distance outlet height is 5.0 mm;
Processing speed is 12.0 mm/s.
4. one according to claim 3 utilizes normal pressure jet plasma (APPJ) to carry out the method for wool wet method felt proofing, it is characterized in that: shower nozzle geomery is the rectangle structure of long 100 mm, wide 2 mm, work atmosphere is the mist of helium, oxygen, and the flow of gas and proportion adjustment control as 30.0/0.4 L/min(He/O
2).
5. the one described in Claims 1 to 4 utilizes normal pressure jet plasma (APPJ) to carry out the method for wool wet method felt proofing, it is characterized in that: can process the various type of textiles of hygrometric state wool, comprise yarn and knit product etc.
6. the one described in Claims 1 to 4 utilizes normal pressure jet plasma (APPJ) to carry out the method for wool wet method felt proofing, it is characterized in that: after the process of hygrometric state wool, the surface scale of fiber is by etching to a certain extent, reduce the direction friction effect of wool scale, but its mechanical property is not almost affected.
7. the one described in Claims 1 to 4 utilizes normal pressure jet plasma (APPJ) to carry out the method for wool wet method felt proofing, it is characterized in that: after the process of hygrometric state wool, the anti-felting effect of fabric significantly improves, reach the requirement of " machine washable ", improve the apparent dye level of REACTIVE DYES simultaneously.
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| CN107299544A (en) * | 2017-08-15 | 2017-10-27 | 马鞍山中港服饰有限公司 | A kind of woolen sweater dyeing technique |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153459A (en) * | 2007-09-17 | 2008-04-02 | 东华大学 | Felt proofing process method FOR wool fabric |
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| CN101153459A (en) * | 2007-09-17 | 2008-04-02 | 东华大学 | Felt proofing process method FOR wool fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299544A (en) * | 2017-08-15 | 2017-10-27 | 马鞍山中港服饰有限公司 | A kind of woolen sweater dyeing technique |
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