CN107761361B - Device and method for deeply hydrophobic treatment of fabric - Google Patents
Device and method for deeply hydrophobic treatment of fabric Download PDFInfo
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- CN107761361B CN107761361B CN201710952011.3A CN201710952011A CN107761361B CN 107761361 B CN107761361 B CN 107761361B CN 201710952011 A CN201710952011 A CN 201710952011A CN 107761361 B CN107761361 B CN 107761361B
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- fabric
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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
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/08—Organic compounds
-
- 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
-
- 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
- D06M2101/10—Animal fibres
-
- 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
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Abstract
The invention provides a device for deeply hydrophobic treatment of fabric, which comprises a treatment chamber, wherein an upper electrode and a lower electrode are oppositely arranged in the treatment chamber; the upper electrode is connected with a radio frequency power supply through a matching network circuit, and the lower electrode is grounded; a left chuck and a right chuck for applying axial stretching or compression action to the fabric are arranged between the upper electrode and the lower electrode; at least one of the left chuck and the right chuck is connected with a force sensor. The device provided by the invention stretches and compresses the fabric to be treated through the left chuck and the right chuck, when the fabric is stretched, the fabric can be stretched and deformed, the pores between the yarns are increased, and the fiber surface between two adjacent yarns can be effectively treated; when the fabric is compressed, the yarns are relaxed, fibers in a single yarn are sparse, and then the plasma can effectively enter the inside of the single yarn, so that the inner area of the single yarn is effectively treated, the purpose of fabric deep treatment is realized, and the super-hydrophobic fabric is obtained.
Description
Technical Field
The invention relates to a functional hydrophobic finishing technology of fabric, in particular to a device and a method for deeply hydrophobic treatment of fabric.
Background
The improvement of living standard leads people to have higher requirements on the functionality of the fabric. In the wearing process of the clothes, the fabric is easy to stain due to the hydrophilicity of the fabric, and frequent washing is needed in the nursing process. In addition, in order to meet the requirements of functional fabrics for self-cleaning, rain prevention and the like, a new requirement is put forward on the hydrophobicity of the fabrics. In the prior art, plasma treatment, as an ecological dry finishing technology, has been rapidly developed in the aspects of textile surface modification and graft polymerization, and is widely used in the hydrophobic treatment of fabrics. Two low-pressure plasma generation modes adopted by common fabric treatment are generally adopted, namely plasma generated by inductive coupling type discharge and plasma generated by capacitive coupling type discharge.
At present, patents related to plasma equipment and methods mainly improve devices, optimize plasma discharge electric fields, and the like. However, for a multi-scale fabric structure, due to twisting of fibers and tight weaving of yarns, fibers between adjacent yarns are difficult to enter in the fabric processing process, and processing of fibers inside the yarns is weakened, so that the plasma processing effect is influenced.
Disclosure of Invention
The invention aims to provide a plasma device and a plasma method which can effectively treat a covering area between adjacent yarns and an inner area of a single yarn.
In order to solve the technical problem, the technical scheme of the invention is to provide a device for deeply hydrophobic treatment of fabric, which is characterized in that: comprises a processing chamber, wherein an upper electrode and a lower electrode are oppositely arranged in the processing chamber; the upper electrode is connected with a radio frequency power supply through a matching network circuit, and the lower electrode is grounded;
A left chuck and a right chuck for applying axial stretching or compression action to the fabric are arranged between the upper electrode and the lower electrode; at least one of the left chuck and the right chuck is connected with a force sensor.
Preferably, the left end and the right end of the processing chamber are respectively provided with an air inlet hole and an air outlet hole.
Preferably, the upper electrode and the upper electrode are arranged oppositely; the left chuck and the right chuck are arranged oppositely left and right; the force sensor is used for recording corresponding force values of the left chuck and the right chuck when the left chuck and the right chuck apply axial tension or compression to the fabric in real time.
Preferably, the moving displacement range of the left chuck and the right chuck is 0-5 cm; the measuring range of the force sensor is 0-50N, and the precision is 0.001N.
Preferably, when the left chuck and the right chuck exert axial tension or compression on the fabric, the pores between the yarns in the fabric are increased by stretching the fabric, so that plasma treatment on the surfaces of the adjacent yarns in the fabric is facilitated; by compressing the fabric, the porosity within the yarns in the fabric is increased, facilitating plasma treatment within the yarns.
The invention also provides a method for deeply hydrophobic treatment of fabric, which adopts the device for deeply hydrophobic treatment of fabric and is characterized by comprising the following steps:
Step 1: clamping the fabric, and setting a left chuck and a right chuck to apply pre-tension to the fabric;
Step 2: the horizontal displacement of the left chuck and the right chuck is adjusted to exert an axial stretching effect on the fabric, so that the gap between adjacent yarns of the fabric is increased;
And step 3: introducing treatment gas into the treatment chamber, turning on a radio frequency power supply, converting the introduced treatment gas into plasma, and performing plasma coating treatment on the surface of the fabric;
And 4, step 4: adjusting the left chuck and the right chuck to return to the positions before the step 2, and then adjusting the horizontal displacement of the left chuck and the right chuck to apply axial compression action on the fabric, so that the yarn is loosened, and gaps among fibers in the yarn are enlarged;
And 5: repeating the step 2 to the step 4, and carrying out deep plasma coating treatment on the fabric to obtain a hydrophobic fabric subjected to more effective plasma coating treatment between adjacent yarns of the fabric and between fibers in the yarns;
The sequence of the step 2 and the step 4 can be exchanged.
Preferably, in the step 1, the fabric is a pure or blended knitted fabric or woven fabric of cotton, wool, silk, hemp or viscose.
Preferably, in the step 1, the pre-tension is in the range of 0.01N to 0.05N.
Preferably, in the step 2, the axial stretching displacement corresponding to the axial stretching action is 0.5 cm-1.5 cm; in the step 4, the axial compression displacement corresponding to the axial compression action is 0.5 cm-1 cm.
Preferably, in the step 3, the treatment gas is hexamethyldisiloxane vapor or a corresponding compound gas with lower surface energy than that of the polymerization product of organosiloxane-based or fluorine-containing polyacrylic acid, although the fluorine-containing compound is better, but harmful to the environment and human body, and is basically forbidden; the plasma coating treatment is low-pressure plasma, and the air pressure range is 0.5 multiplied by 10 < -1 > to 2 multiplied by 10 < -1 > mbar.
the device provided by the invention overcomes the defects of the prior art, the left chuck and the right chuck can stretch and compress the processed fabric, when the fabric is stretched, the fabric can be stretched and deformed, the pores between the yarns are increased, and the fiber surface between two adjacent yarns can be effectively processed; when the fabric is compressed, the yarns are relaxed, fibers in a single yarn are sparse, and then the plasma can effectively enter the inside of the single yarn, so that the inner area of the single yarn is effectively treated, the purpose of fabric deep treatment is realized, and the super-hydrophobic fabric is obtained.
Drawings
FIG. 1 is a schematic view of an apparatus for deep hydrophobic treatment of fabrics;
Description of reference numerals:
1-a processing chamber; 2-a positive electrode; 3-a negative electrode; 4-a matching network circuit; 5-radio frequency power supply; 6-left chuck; 7-right chuck; 8-air inlet holes; 9-air vent.
Detailed Description
The invention will be further illustrated with reference to the following specific examples.
Fig. 1 is a schematic view of an apparatus for fabric deep hydrophobic treatment, which comprises a treatment chamber 1, an upper electrode 2, a lower electrode 3, a matching network circuit 4, a radio frequency power supply 5, a left chuck 6, a right chuck 7 and corresponding signal acquisition and control circuits.
The upper electrode 2 and the lower electrode 3 are both disposed in the processing chamber 1, and the upper electrode 2 and the upper electrode 3 are disposed opposite to each other. The upper electrode 2 is connected with a radio frequency power supply 5 through a matching network circuit 4, and the lower electrode 3 is grounded. The left and right ends of the processing chamber 1 are respectively provided with an air inlet 8 and an air outlet 9.
the left chuck 6 and the right chuck 7 are positioned between the upper electrode 2 and the lower electrode 3, and the left chuck 6 and the right chuck 7 are oppositely arranged left and right. The left chuck 6 and the right chuck 7 are respectively connected with a force sensor. The left chuck 6 and the right chuck 7 are used for applying axial stretching or compressing force to the fabric, and when the axial stretching or compressing force is applied, the corresponding chuck moving displacement range is 0-5 cm. The force sensor is used for recording corresponding force values of the left chuck 6 and the right chuck 7 when the left chuck and the right chuck apply axial tension or compression to the fabric in real time; the measuring range of the force sensor is 0-50N, and the precision is 0.001N.
The method of use of the apparatus for the deep hydrophobic treatment of fabrics is illustrated below in two specific examples.
Example 1
The device for deeply hydrophobic treatment of the fabric comprises the following steps:
The plain weave cotton fabric a was held between the left grip 6 and the right grip 7 and the fabric was straightened to a 0.01N pre-tensioned state.
And closing an air inlet 8 of the processing chamber 1, and exhausting air through an air outlet 9 until the basic vacuum degree is 1 multiplied by 10 -3 mbar to ensure the reaction environment in the plasma processing engineering.
Hexamethyldisiloxane steam is introduced, the vacuum degree is adjusted to be 0.5 multiplied by 10 -1 mbar through the steam introduction amount, and the left clamping head 6 is arranged to move left 0.5cm relative to the right clamping head 7 to stretch the fabric, so that the gap between the connected yarns of the fabric is increased.
And (3) turning on the radio frequency power supply 5, adjusting the power of the radio frequency power supply to 200W, exciting hexamethyldisiloxane steam to form plasma jet, carrying out polymerization grafting on the surface of the yarn, and setting the duration of treatment to be 5 min.
and adjusting the left chuck 8 to reset, setting the left chuck 8 to move 0.5cm to the right relative to the right chuck 9, compressing the fabric to enable fibers in the yarn to be in a loose state so that hexamethyldisiloxane is polymerized and grafted on the surfaces of the fibers in the yarn, and thus realizing multi-scale deep hydrophobic treatment on the fabric, wherein the treatment time is 5min in the compressed state.
After the treatment, the left chuck 8 was reset, and vacuum was pumped through the vent hole 9 to a vacuum degree of 1 × 10 -3 mbar, and the radio frequency power supply 5 was turned off, and after standing for 5min, the sample was taken out to obtain a hydrophobic plain cotton fabric, and the results of the obtained plain cotton fabric surface contact angle test were compared with the corresponding treated cotton fabric surface contact angle without stretching and compressing as shown in table 1.
TABLE 1 contact Angle comparison results of fabrics after plasma treatment without stretching, compression and with stretching, compression
Example 2
the device for deeply hydrophobic treatment of the fabric comprises the following steps:
The twill fabric was held between left and right clamps 6 and 7 and straightened to a 0.05N pre-tensioned state.
And closing an air inlet 8 of the processing chamber 1, and exhausting air through an air outlet 9 until the basic vacuum degree is 1 multiplied by 10 -3 mbar to ensure the reaction environment in the plasma processing engineering.
Hexamethyldisiloxane vapor was admitted, the vacuum was adjusted to 2X 10 -1 mbar by the vapor admission, and the fabric was compressed by setting the left chuck 6 to move 1cm to the right relative to the right chuck 7.
And (3) turning on the radio frequency power supply 5, adjusting the power of the radio frequency power supply to be 100W, exciting hexamethyldisiloxane steam to form plasma jet, carrying out polymerization grafting on the surfaces of the yarns and the loose internal fibers, and setting the duration of treatment to be 5 min.
And adjusting the left chuck 8 to reset, setting the left chuck 8 to move left by 1.5cm relative to the right chuck 9, stretching the fabric to increase the space between yarns so that hexamethyldisiloxane is polymerized and grafted between adjacent yarns of the fabric, thereby realizing multi-scale deep hydrophobic treatment of the fabric, wherein the treatment time is 5min in a stretched state.
After the treatment is finished, the left chuck 8 is reset, the vacuum degree is pumped to 1 multiplied by 10 -3 mbar through the vent hole 9, the radio frequency power supply 5 is closed, and the sample is taken out after standing for 5min to obtain the hydrophobic twill wool fabric.
the results of the twill fabric surface contact angle test are shown in table 1, compared to the corresponding treated fabric surface contact angle without stretching and compression.
it will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments.
While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that the foregoing and other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (9)
1. A method for fabric deep hydrophobic treatment adopts a device for fabric deep hydrophobic treatment, the device for fabric deep hydrophobic treatment comprises a treatment chamber (1), an upper electrode (2) and a lower electrode (3) are oppositely arranged in the treatment chamber (1); the upper electrode (2) is connected with a radio frequency power supply (5) through a matching network circuit (4), and the lower electrode (3) is grounded; a left chuck (6) and a right chuck (7) which are used for applying axial stretching or compression action to the fabric are arranged between the upper electrode (2) and the lower electrode (3); at least one of the left chuck (6) and the right chuck (7) is connected with a force sensor; the method is characterized by comprising the following steps: step 1: clamping the fabric, and setting a left chuck (6) and a right chuck (7) to apply pre-tension to the fabric; step 2: the horizontal displacement of the left clamping head (6) and the right clamping head (7) is adjusted to exert an axial stretching effect on the fabric, so that the gap between adjacent yarns of the fabric is increased; and step 3: introducing treatment gas into the treatment chamber (1), turning on the radio frequency power supply (5), converting the introduced treatment gas into plasma, and performing plasma coating treatment on the surface of the fabric; and 4, step 4: adjusting the left chuck (6) and the right chuck (7) to return to the positions before the step 2, and then adjusting the horizontal displacement of the left chuck (6) and the right chuck (7) to exert an axial compression effect on the fabric, so that the yarn is loosened, and gaps among fibers in the yarn are enlarged; and 5: repeating the step 2 to the step 4, and carrying out deep plasma coating treatment on the fabric to obtain a hydrophobic fabric subjected to more effective plasma coating treatment between adjacent yarns of the fabric and between fibers in the yarns; the sequence of the step 2 and the step 4 can be exchanged.
2. A method for the deep hydrophobic treatment of fabric according to claim 1, wherein: the left end and the right end of the processing chamber (1) are respectively provided with an air inlet (8) and an air outlet (9).
3. A method for the deep hydrophobic treatment of fabric according to claim 1, wherein: the upper electrode (2) and the lower electrode (3) are arranged oppositely up and down; the left chuck (6) and the right chuck (7) are oppositely arranged left and right; the force sensor is used for recording corresponding force values of the left chuck (6) and the right chuck (7) when the left chuck and the right chuck apply axial tension or compression to the fabric in real time.
4. A method for the deep hydrophobic treatment of fabric according to claim 1, wherein: the moving displacement range of the left chuck (6) and the right chuck (7) is 0-5 cm; the measuring range of the force sensor is 0-50N, and the precision is 0.001N.
5. A method for the deep hydrophobic treatment of fabric according to claim 1, wherein: when the left chuck (6) and the right chuck (7) exert axial tension or compression action on the fabric, the pores between yarns in the fabric are increased by stretching the fabric, which is beneficial to plasma treatment of the surfaces of adjacent yarns in the fabric; by compressing the fabric, the porosity within the yarns in the fabric is increased, facilitating plasma treatment within the yarns.
6. A method for the deep hydrophobic treatment of fabric according to claim 1, wherein: in the step 1, the fabric is a pure or blended knitted fabric or woven fabric of cotton, wool, silk, hemp or viscose.
7. A method for the deep hydrophobic treatment of fabric according to claim 1, wherein: in the step 1, the pre-tension range is 0.01N-0.05N.
8. A method for the deep hydrophobic treatment of fabric according to claim 1, wherein: in the step 2, the axial stretching displacement corresponding to the axial stretching action is 0.5 cm-1.5 cm; in the step 4, the axial compression displacement corresponding to the axial compression action is 0.5 cm-1 cm.
9. the method for deeply hydrophobic finish of fabric according to claim 1, wherein in step 3, the treating gas is hexamethyldisiloxane vapor or a corresponding compound gas having a lower surface energy than the surface energy of the product of polymerization of organosiloxane-based or fluorine-containing polyacrylic acid, and the plasma coating treatment is low pressure plasma having a pressure in the range of 0.5X 10 -1 to 2X 10 -1 mbar.
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| CN201710952011.3A CN107761361B (en) | 2017-10-12 | 2017-10-12 | Device and method for deeply hydrophobic treatment of fabric |
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| CN201710952011.3A CN107761361B (en) | 2017-10-12 | 2017-10-12 | Device and method for deeply hydrophobic treatment of fabric |
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| CN107761361A CN107761361A (en) | 2018-03-06 |
| CN107761361B true CN107761361B (en) | 2019-12-10 |
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| CN109322143A (en) * | 2018-12-07 | 2019-02-12 | 东华大学 | A kind of type siloxane monomer plasma processing method of superhydrophobic surface material |
| CN112301725B (en) * | 2019-08-02 | 2023-04-07 | 香港纺织及成衣研发中心 | Waterproof fabric obtained by plasma technique |
| CN111494668B (en) * | 2020-04-30 | 2021-11-12 | 深圳奥拦科技有限责任公司 | Sterilization method |
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| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
| CN101045610A (en) * | 2007-03-29 | 2007-10-03 | 刘东平 | Self-clean film material and preparation method |
| CN102507324A (en) * | 2011-11-16 | 2012-06-20 | 苏州大学 | Textile variable-speed stretching performance tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101589203B1 (en) * | 2013-04-25 | 2016-01-28 | 한국과학기술원 | Method of Fabricating Surfaces Having Superhydrophobicity and Hydrophilicity and Apparatus of Preparing the Same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
| CN101045610A (en) * | 2007-03-29 | 2007-10-03 | 刘东平 | Self-clean film material and preparation method |
| CN102507324A (en) * | 2011-11-16 | 2012-06-20 | 苏州大学 | Textile variable-speed stretching performance tester |
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