JPS6011149B2 - Low temperature plasma treatment equipment for textile products - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus advantageous for low-temperature plasma treatment of both sides of textile products such as cloth linings, strings, and belts.

Traditionally, the industrial process of continuously processing fabrics such as woven and knitted fabrics involves removing water-repellent impurities that are always attached to the fabric, or making it hydrophilic so that the dye solution can easily penetrate the fabric. There is a scouring process to impart properties such as softness, water repellency, anti-static properties, anti-fouling and water absorption after dyeing, but both processes were carried out in water. For example, in the scouring process, in the case of cloth bands containing cotton, alkalis such as caustic soda and soda ash and scouring aids are added, and 100q.
2 powders 1 or more steaming or alkali before and after o.
It is boiled in an aqueous solution containing a scouring aid to solubilize the water-repellent impurities, and then washed with water as a means to remove the chemicals and solubilized impurities adhering to the treated fabric. It was necessary to repeat this process repeatedly, and then to wash the product with water and then dry it.

In addition, in the finishing process, it is necessary to apply a finishing agent dissolved or dispersed in water and then pass it through a dryer to evaporate the water, and depending on the purpose of processing, there may be an additional step of reacting and fixing the finishing agent through high-temperature heat treatment. It was necessary. However, with such treatment means, the cost of the treatment chemicals is high, a large amount of heat is required to cause the chemicals to constantly react with the fabric, and furthermore, in the scouring process, the reaction-treated fabric always contains In order to remove residual liquid, impurities, and/or deposits, a large number of washing machines are required, and a large amount of water resources to be supplied to each of these washing machines, and the washed waste liquid is required. At present, a large amount of water resources and thermal energy are expended in pre-processing cloth, as equipment for disposing of it is required. Furthermore, since the waste liquid discharged from washing machines inevitably contains chemicals, problems such as waste liquid pollution arise, and the treatment of the waste liquid also requires large equipment costs, personnel costs, etc. Therefore, it lacked economic efficiency, especially for the textile processing industry. The present invention was made in view of the above, and uses almost no thermal energy or water resources.
The object of the present invention is to provide a textile processing device that can uniformly process both sides of textile products such as cloth using low-temperature plasma.

The present invention will be explained in detail below based on embodiments shown in the drawings.

In FIG. 1, numeral 11 indicates a reactor, and this reactor 1 has "closed parts 3 and 4 for taking in and out the cloth 2 to be treated".
are provided, and these entrances 3 and 4 are hermetically sealed with a lid 5.

6 and 7 are cloth winding shafts arranged in the vicinity of the openings 3 and 4 in the reactor 1, and
, 7 is a motor or other drive mechanism (not shown). When the fabric is wound onto one of the winding shafts, it is wound onto the other winding shaft, or when both winding shafts are interposed. After the cloth is wound up on one winding shaft 6 by rotating forward and backward, the other winding shaft 7 is reversed and winding is performed on the winding shaft 7, and this winding When the winding by the shaft 7 is completed, the winding shaft 6 is reversed and the winding is switched to the winding shaft 6.

8 and 9, and 8' and 9' are two pairs of electrode plates vertically spaced apart from each other with the cloth band 2 stretched between both wound piths 6 and 7 as the border. , one electrode plate 8 and 8' is supplied with high frequency from an oscillator (not shown) installed outside the reactor 1, and the other electrode plate 9 and 9'
is grounded, but a pair of positive and negative electrode plates 8
and 9, the pair of adjacent positive and negative electrode plates 8' and 9' are upside down.

Further, these electrode plates 8, 8' and 9, 9' are required to be made of, for example, a wire mesh or a porous metal plate so that the gas is uniformly dispersed and distributed over the entire surface of the electrode plates. This is because a substantially uniform low-temperature plasma can be generated from the entire surface of the electrode plate, and the gas excited by the high frequency can be caused to float substantially uniformly near the entire surface of the metal plate. 10 and 10' are gas nozzles for blowing out gas toward the entire surface of the electrode plates 8 and 8', and 11 and 11' are gas nozzles 10 and 10' with the pair of electrode plates in between.
This is an intake duct installed opposite to the

Therefore, with respect to the vertical position of the first electrode plates 8 and 9, the gas nozzle 10, and the intake duct 11,
The vertical positions of ', 9', gas nozzle 10', and intake duct 11' are reversed with Fudake 2 as a boundary. Reference numeral 12 denotes an enclosure provided around the electrode plate 8. This enclosure 12 prevents the scattering of the low-temperature plasma generated by the electrode plates 8, 8' and 9, 9', and efficiently dissipates the excited gas. It was designed to affect Korea.

The above is the configuration of this embodiment. Next, the operation will be described. First, the winding shaft 6 on which the longest cloth 2 is wound.
or 7 is set in the reactor 1, the tip of the cloth mount is hung on the other winding shaft 7 or 6, and the cloth holder 2 is placed on the other winding shaft.
The reactor 1 is sealed by closing the lid 5. Next, the intake ducts 11 and 11'
A vacuum pump (not shown) connected to the reactor 1 is driven, and gas is supplied from the gas nozzles 10 and 10' to maintain the degree of vacuum in the reactor 1 to 0.1 to 1 orr, preferably 0.5 to 1000.
rr! This adjustment is maintained, and then high frequency power, for example around 13.5 M, is supplied to the electrode plate from a high frequency power source to generate low temperature plasma. Next, the winding shaft is driven to move the cloth 2 between the two electrode plates, that is, in a low-temperature plasma atmosphere. In this way, when the textile product is transferred to a low-temperature plasma atmosphere, the low-temperature plasma gas particles permeate between the fibers from both the front and back surfaces of the cloth holder 2, and the low-temperature plasma acts even on the inner core of the cloth holder. Some of the impurities contained in both sides and the inner core of the cloth band 2 and the sizing agent applied to the fibers are decomposed and some of them are made hydrophilic so that they can be easily dissolved in water. Become. The processing conditions for generating the above-mentioned low-temperature plasma include, for example, power, gas type, gas flow rate,
The processing time and the like can be appropriately selected depending on the quality of each fabric to be processed and the processing purpose. In the above example, reactor 1
was a batch type, but as shown in FIG. 2, for example, there is a reaction system equipped with sealing mechanisms 13 and 14 that can maintain a vacuum inside while allowing continuous passage of the cloth 2 through the reactor 1'. It is also possible to carry out double-sided plasma treatment of textile products continuously using a device.

As described above, the present invention includes a reactor that can maintain a vacuum inside, a first electrode pair that faces each other across a transfer path for textile products to be transferred within this reactor, and On the other hand, a second electrode pair arranged next to each other in the direction of the textile product transfer path, and a first gas nozzle that faces the first electrode pair and injects gas toward the electrode pair; A first intake duct that faces the first gas nozzle, a second intake duct that is adjacent to the first gas nozzle in the textile product transfer direction, and a second intake duct that faces the second intake duct across the transfer path. a second gas nozzle, a vacuum mechanism for maintaining the inside of the reactor in a vacuum, a gas supply means for supplying gas into the reactor, and a second gas nozzle for generating low-temperature plasma between both pairs of electrodes. This apparatus is a low-temperature plasma processing apparatus for textile products that is equipped with a power supply means, so that low-temperature plasma acts on both sides of the textile product to be treated, including the inner core thereof.
This has the effect of allowing effective plasma treatment to be performed over the entire front and back surfaces of the cloth, and even to the inner core.

Furthermore, according to the present invention, by treating textile products in a low-temperature plasma atmosphere, it is possible to perform various treatments using extremely small amounts of thermal energy, water resources, or chemicals compared to conventional methods. It is also economical and has the effect of being quickly achieved without causing waste liquid pollution.

[Brief explanation of the drawing]

The drawings all show embodiments of the low temperature plasma processing apparatus according to the present invention, and FIG. 1 is an explanatory diagram showing the first embodiment.
FIG. 2 is an explanatory diagram showing the second embodiment. 1,1'...Reactor, 2...Bujo, 3,4...
Closing part, 5... Lid, 6, 7... Cloth regular winding shaft, 8, 9...
...Electrode plate, 10,10'...Gas nozzle, 11,1
1'...Intake duct, 12...・．． Enclosure, 13...
... Inlet side seal mechanism, 14... Outlet side seal mechanism. Figure 1 Figure 2

Claims (1)

[Claims] 1. A reactor that can maintain a vacuum inside, a first electrode body that faces across a transfer path for textile products to be transferred in this reactor, and a reactor that can maintain a vacuum inside, and a first electrode body that faces across a transfer path for textile products to be transferred within this reactor, and a a second electrode body adjacent to the road direction; a first gas nozzle that faces the first electrode pair and injects gas toward the electrode body; and a first gas nozzle facing the gas nozzle; an intake duct, a second intake duct adjacent to the first gas nozzle in the textile product transfer direction, and a second gas nozzle opposed to the second intake duct across a transfer path; A vacuum mechanism for maintaining a vacuum inside the reactor, a gas supply means for supplying gas into the reactor, and a power supply means for generating low-temperature plasma between both pairs of electrodes. A low-temperature plasma processing device for textile products, characterized by: