Manufacturing process of high-water-absorption dust-free cloth

Abstract

According to the high-water-absorption dust-free cloth manufacturing technology, 75 D 100% polyester is used for weaving to form a polyester composite layer, separation yarn is implanted into the polyester composite layer to form a containing cavity, and space is provided for placing of a macromolecule water-absorption resin layer and a water-absorption sponge layer. And the water absorption performance of the dust-free cloth is improved by using the macromolecular water-absorbent resin layer, so that the dust-free cloth can quickly absorb and lock liquid, and secondary pollution of the liquid is avoided. Meanwhile, through ultrasonic pressing and laser edge sealing processes, firm combination of all the layers of the dust-free cloth and sealing performance of the edges are guaranteed, and the using performance and durability of the dust-free cloth are further improved. The non-dust cloth is cleaned, dried and packaged in cleaning rooms of different levels, pollution to the non-dust cloth in the production process is reduced, and it is guaranteed that the non-dust cloth can achieve the ideal cleaning effect in the using process.

Description

Technical Field

[0001] The invention relates to the technical field of dust-free cloths, and in particular to a manufacturing process of highly water-absorbent dust-free cloths. Background Art

[0002] With the rapid development of modern industry, the demand for production environments and products with extremely high cleanliness requirements is increasing. As a cleaning tool widely used in the electronics, optics, semiconductor, medical and other industries, the performance of dust-free cloth directly affects the quality and production efficiency of the product. Traditional dust-free cloth not only has poor liquid absorption capacity, but is also prone to liquid leakage and secondary contamination when absorbing water; and traditional dust-free cloth also has some problems in the manufacturing process. When washing and packaging, it is handled in the same level of clean room, which makes it easy for the dust-free cloth to be contaminated, affecting its cleanliness. Summary of the invention

[0003] In order to overcome the above technical defects, the present invention provides a process for producing a highly absorbent dust-free cloth.

[0004] In order to solve the above problems, the present invention is implemented according to the following technical solutions:

[0005] In a first aspect, the present invention provides a process for producing a highly absorbent dust-free cloth, characterized in that the process for producing a highly absorbent dust-free cloth comprises the following steps:

[0006] Step 1: Making a polyester composite layer, selecting 75D 100% polyester, using 28 needles to weave the polyester to form a polyester composite layer, and when weaving the polyester composite layer, implanting spacer yarns at a certain interval, and the spacer yarns constitute the boundary of the accommodating cavity;

[0007] Step 2: Preparation of a polymer water-absorbent resin layer: preparing a skeleton with a plurality of circular grooves, and then filling the polymer water-absorbent resin blocks into the plurality of circular grooves to form a polymer water-absorbent resin layer;

[0008] Step 3: a composite process, in which the water-absorbing sponge layer and the polymer water-absorbing resin layer are sequentially placed in the accommodating cavity of the polyester composite layer to form a dust-free cloth, and then the dust-free cloth is placed on an ultrasonic pressing device, and finally the ultrasonic pressing device is used to pre-press the dust-free cloth to form adhesion between the layers;

[0009] Step 4: Laser edge banding: Place the pre-pressed dust-free cloth on the laser edge banding workbench and perform edge banding on the periphery of the dust-free cloth according to the preset cutting path;

[0010] Step 5: In a Class 100 clean room, clean and dry the dust-free cloth in step 4;

[0011] Step 6: In a Class 10 clean room, double-layer vacuum pack the unlayered cloth from step 5.

[0012] In combination with the first aspect, the present invention further provides a first implementation of the first aspect, wherein the interior of the polyester composite layer has a plurality of inwardly recessed accommodating cavities, and the accommodating cavities are formed by a hot pressing process.

[0013] In combination with the first aspect, the present invention further provides a second implementation of the first aspect, wherein the power of the laser edge banding workbench is 80 to 110 W, and the cutting speed is 400 mm / s to 500 mm / s.

[0014] In combination with the first aspect, the present invention further provides a third implementation of the first aspect, wherein the dust-free cloth is cleaned using deionized water with a resistivity of 18.2 megohms, and the cleaning time is 10 to 15 minutes.

[0015] In combination with the first aspect, the present invention further provides a fourth implementation of the first aspect, wherein a DHI-3000 dryer is selected for drying the dust-free cloth, the temperature of the DHI-3000 dryer is adjusted to 15-25° C., and the drying time is 15 minutes.

[0016] In combination with the first aspect, the present invention further provides a fifth implementation of the first aspect, wherein the double-layer vacuum packaging uses a dust-free plastic bag.

[0017] In combination with the first aspect, the present invention further provides a sixth implementation of the first aspect, wherein the vacuum packaging uses a DZD-400 / 2S double-chamber vacuum machine;

[0018] The DZD-400 / 2S double chamber vacuum machine is set to a vacuum level lower than -0.8 bar.

[0019] In combination with the first aspect, the present invention further provides a seventh implementation of the first aspect, wherein the Class 100 clean room has a temperature of 18°C-26°C, a humidity of 30%-70%, a concentration of solid particles in the air with a diameter of not less than 0.5 microns, and a concentration of particles not exceeding 3500 particles / m 3 ;

[0020] The Class 10 clean room has a temperature of 20℃-25℃, a humidity of 45%-65%, a concentration of solid particles in the air with a diameter of not less than 0.5 microns, and a particle concentration of no more than 120 particles / m 3 .

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The manufacturing process of a highly absorbent dust-free cloth described in the present invention uses 75D 100% polyester to weave a polyester composite layer, and a spacer yarn is implanted inside the polyester composite layer to form a receiving cavity, which provides space for the placement of a polymer absorbent resin layer and a water-absorbing sponge layer. The use of a polymer absorbent resin layer improves the water absorption performance of the dust-free cloth, and can quickly absorb and lock the liquid to avoid secondary contamination of the liquid. At the same time, the ultrasonic pressing and laser edge sealing processes ensure the firm bonding between the layers of the dust-free cloth and the sealing of the edges, further improving the performance and durability of the dust-free cloth. The dust-free cloth is cleaned, dried and packaged in clean rooms of different levels, which reduces the contamination of the dust-free cloth during the production process and ensures that the dust-free cloth can achieve an ideal cleaning effect during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein:

[0024] Figure 1 It is a structural schematic diagram of a highly absorbent dust-free cloth of the present invention.

[0025] In the figure: 1-dust-free cloth body; 101-polyester composite layer; 102-water-absorbent sponge layer; 103-polymer water-absorbent resin layer. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0027] Example 1

[0028] like Figure 1 As shown, a highly absorbent dust-free cloth comprises a dust-free cloth body 1, the basis weight of the dust-free cloth body 1 is 130g per square meter, the width of the dust-free cloth body 1 is 120cm, the thickness of the dust-free cloth body 1 is 0.8mm, the water absorption capacity of the dust-free cloth body 1 is 800ml per square meter, the water absorption rate of the dust-free cloth body 1 is 0.24s / g, and the cleanliness of the layerless cloth body 1 is 124count / pcs; the dust-free cloth body 1 comprises a polyester composite layer 101, a water-absorbent sponge layer 102 and a polymer water-absorbent resin layer 103, the polyester composite layer 101 is provided with a plurality of accommodating cavities formed by inward depressions, the water-absorbent sponge layer 102 and the polymer water-absorbent resin layer 103 are placed in the accommodating cavities in sequence, and then the dust-free cloth body 1 is edge-sealed by a laser edge-sealing workbench.

[0029] A process for producing a highly absorbent dust-free cloth, the process comprising the following steps:

[0030] Step 1: Making a polyester composite layer, selecting 75D 100% polyester, using 28 needles to weave the polyester to form a polyester composite layer, and when weaving the polyester composite layer, implanting spacer yarns at a certain interval, and the spacer yarns constitute the boundary of the accommodating cavity;

[0031] Step 2: Preparation of a polymer water-absorbent resin layer: preparing a skeleton with a plurality of circular grooves, and then filling the polymer water-absorbent resin blocks into the plurality of circular grooves to form a polymer water-absorbent resin layer;

[0032] Step 3: a composite process, firstly, placing the water-absorbing sponge layer and the polymer water-absorbing resin layer in the receiving side cavity of the polyester composite layer in sequence to form a dust-free cloth, then placing the dust-free cloth on an ultrasonic pressing device, and finally using the ultrasonic pressing device to pre-press the dust-free cloth to form adhesion between the layers;

[0033] Step 4: Laser edge banding: Place the dust-free cloth in step 3 on the laser edge banding workbench and perform edge banding on the periphery of the dust-free cloth according to the preset cutting path;

[0034] Step 5: In a Class 100 clean room, clean and dry the dust-free cloth in step 4;

[0035] Step 6: In a Class 10 clean room, double-layer vacuum pack the unlayered cloth from step 5.

[0036] In a specific implementation, the polyester composite layer has a plurality of inwardly recessed accommodating cavities inside, and the accommodating cavities are formed by a hot pressing process.

[0037] In a specific implementation, the power of the laser cutting machine in step 4 is 80W, and the cutting speed is 400mm / s.

[0038] In a specific implementation, the dust-free cloth is cleaned using deionized water with a resistivity of 18.2 megohms, and the cleaning time is 10 minutes.

[0039] Specifically, the dust-free cloth is repeatedly cleaned three to four times with 18.2 megohm deionized water, each time for 10 minutes. After cleaning, a dust particle counter is used to detect the amount of dust in the dust-free cloth to determine whether it is cleaned thoroughly. If it is not cleaned thoroughly, the dust-free cloth needs to be cleaned again until the amount of dust in the dust-free cloth is less than 3500 particles / cubic foot.

[0040] In a specific implementation, the dust-free cloth is dried using a DHI-3000 dryer, the temperature of the DHI-3000 dryer is adjusted to 15° C., and the drying time is 15 minutes.

[0041] Specifically, the dust-free cloth that has passed the test is placed in the DHI-3000 dryer and dried at 15°C for 15 minutes. After cooling, the dust-free cloth needs to be tested again in a Class 100 clean room environment with a dust particle counter to determine the dust emission of the dust-free cloth to ensure that it meets the Class 100 dust-free grade standard. At the same time, the dust-free cloth needs to be tested for water absorption to ensure the expected high water absorption requirements of the product.

[0042] In a specific implementation, the double-layer vacuum packaging adopts a dust-free plastic bag.

[0043] Specifically, the use of dust-free plastic bags can ensure tear resistance and moisture resistance, while effectively preventing the external environment from contaminating the dust-free cloth.

[0044] In a specific implementation, the vacuum packaging machine adopts a DZD-400 / 2S double-chamber vacuum machine; the vacuum level of the DZD-400 / 2S double-chamber vacuum machine is set to be lower than -0.8 bar.

[0045] Specifically, before packaging the dust-free cloth, it is necessary to conduct an air dust test on the dust-free cloth. If the number of air dust in the dust-free cloth does not exceed 120 particles / cubic foot, the dust-free cloth can be packaged. The dust-free cloth needs to be double-layer vacuum packaged in a Class 10 clean room. The qualified dust-free cloth is folded neatly and placed in the first layer packaging bag. The air in the first layer vacuum packaging bag is extracted using a DZD-400 / 2S double-chamber vacuum machine. The bag mouth is heated and pressed by a heat sealer to ensure that the first layer is sealed tightly to prevent air from entering. Finally, check whether there are bubbles or defects in the first layer packaging bag. The first layer packaging bag uses polyester film. The sealed first layer packaging bag is packaged in the second layer. The second layer uses an aluminum foil bag. The air in the second layer packaging bag is extracted using a DZD-400 / 2S double-chamber vacuum machine until the set vacuum level is reached, usually below -0.8 bar. Keep it for a certain time to ensure stability in the bag. After the vacuum is drawn, the outer polyester film or aluminum foil bag is immediately heat-sealed to ensure that no air can penetrate.

[0046] In one embodiment, the Class 100 clean room has a temperature of 18°C-26°C, a humidity of 30%-70%, a concentration of solid particles in the air with a diameter of not less than 0.5 microns, and a concentration of particles not exceeding 3500 particles / m 3 The Class 10 clean room has a temperature of 20℃-25℃, a humidity of 45%-65%, a concentration of solid particles in the air with a diameter of not less than 0.5 microns, and a particle concentration of no more than 120 particles / m 3 .

[0047] Example 2

[0048] like Figure 1As shown, a highly absorbent dust-free cloth comprises a dust-free cloth body 1, the basis weight of the dust-free cloth body 1 is 180g per square meter, the width of the dust-free cloth body 1 is 120cm, the thickness of the dust-free cloth body 1 is 0.8mm, the water absorption capacity of the dust-free cloth body 1 is 1200ml per square meter, the water absorption rate of the dust-free cloth body 1 is 0.24s / g, and the cleanliness of the layerless cloth body 1 is 124count / pcs; the dust-free cloth body 1 comprises a polyester composite layer 101, a water-absorbent sponge layer 102 and a polymer water-absorbent resin layer 103, the polyester composite layer 101 is provided with a plurality of accommodating cavities formed by inward depressions, the water-absorbent sponge layer 102 and the polymer water-absorbent resin layer 103 are placed in the accommodating cavities in sequence, and then the dust-free cloth body 1 is edge-sealed by a laser edge-sealing workbench.

[0049] A process for producing a highly absorbent dust-free cloth, the process comprising the following steps:

[0050] Step 1: Making a polyester composite layer, selecting 75D 100% polyester, using 28 needles to weave the polyester to form a polyester composite layer, and when weaving the polyester composite layer, implanting spacer yarns at a certain interval, and the spacer yarns constitute the boundary of the accommodating cavity;

[0051] Step 2: Preparation of a polymer water-absorbent resin layer: preparing a skeleton with a plurality of circular grooves, and then filling the polymer water-absorbent resin blocks into the plurality of circular grooves to form a polymer water-absorbent resin layer;

[0052] Step 3: a composite process, firstly, placing the water-absorbing sponge layer and the polymer water-absorbing resin layer in the receiving side cavity of the polyester composite layer in sequence to form a dust-free cloth, then placing the dust-free cloth on an ultrasonic pressing device, and finally using the ultrasonic pressing device to pre-press the dust-free cloth to form adhesion between the layers;

[0053] Step 4: Laser edge banding: Place the dust-free cloth in step 3 on the laser edge banding workbench and perform edge banding on the periphery of the dust-free cloth according to the preset cutting path;

[0054] Step 5: In a Class 100 clean room, clean and dry the dust-free cloth in step 4;

[0055] Step 6: In a Class 10 clean room, double-layer vacuum pack the unlayered cloth from step 5.

[0056] In a specific implementation, the polyester composite layer has a plurality of inwardly recessed accommodating cavities inside, and the accommodating cavities are formed by a hot pressing process.

[0057] In a specific implementation, the power of the laser cutting machine in step 4 is 110 W, and the cutting speed is 500 mm / s.

[0058] In a specific implementation, the dust-free cloth cleaning uses deionized water with a resistivity of 18.2 megohms, and the cleaning time is 15 minutes.

[0059] Specifically, the dust-free cloth is repeatedly washed with 18.2 megohm deionized water for more than five times, each time for 15 minutes. After the cleaning is completed, a dust particle counter is used to detect the amount of dust in the dust-free cloth to determine whether it is cleaned thoroughly. If it is not cleaned thoroughly, the dust-free cloth needs to be cleaned again until the dust amount in the dust-free cloth is less than 3500 particles / cubic foot.

[0060] In a specific implementation, the dust-free cloth is dried using a DHI-3000 dryer, the temperature of the DHI-3000 dryer is adjusted to 25° C., and the drying time is 15 minutes.

[0061] Specifically, the dust-free cloth that has passed the test is placed in the DHI-3000 dryer and dried at 25°C for 15 minutes. After cooling, the dust-free cloth needs to be tested again in a Class 100 clean room environment with a dust particle counter to determine the dust emission of the dust-free cloth to ensure that it meets the Class 100 clean room standard. At the same time, the dust-free cloth needs to be tested for water absorption to ensure the expected high water absorption requirements of the product.

[0062] In a specific implementation, the double-layer vacuum packaging adopts a dust-free plastic bag.

[0063] Specifically, the use of dust-free plastic bags can ensure tear resistance and moisture resistance, while effectively preventing the external environment from contaminating the dust-free cloth.

[0064] In a specific implementation, the vacuum packaging machine adopts a DZD-400 / 2S double-chamber vacuum machine; the vacuum level of the DZD-400 / 2S double-chamber vacuum machine is set to be lower than -0.8 bar.

[0065] Specifically, before packaging the dust-free cloth, it is necessary to conduct an air dust test on the dust-free cloth. If the number of air dust in the dust-free cloth does not exceed 120 particles / cubic foot, the dust-free cloth can be packaged. The dust-free cloth needs to be double-layer vacuum packaged in a Class 10 clean room. The qualified dust-free cloth is folded neatly and placed in the first layer packaging bag. The air in the first layer vacuum packaging bag is extracted using a DZD-400 / 2S double-chamber vacuum machine. The bag mouth is heated and pressed by a heat sealer to ensure that the first layer is sealed tightly to prevent air from entering. Finally, check whether there are bubbles or defects in the first layer packaging bag. The first layer packaging bag uses polyester film. The sealed first layer packaging bag is packaged in the second layer. The second layer uses an aluminum foil bag. The air in the second layer packaging bag is extracted using a DZD-400 / 2S double-chamber vacuum machine until the set vacuum level is reached, usually below -0.8 bar. Keep it for a certain time to ensure stability in the bag. After the vacuum is drawn, the outer polyester film or aluminum foil bag is immediately heat-sealed to ensure that no air can penetrate.

[0066] In one embodiment, the Class 100 clean room has a temperature of 18°C-26°C, a humidity of 30%-70%, a concentration of solid particles in the air with a diameter of not less than 0.5 microns, and a concentration of particles not exceeding 3500 particles / m 3 The Class 10 clean room has a temperature of 20℃-25℃, a humidity of 45%-65%, a concentration of solid particles in the air with a diameter of not less than 0.5 microns, and a particle concentration of no more than 120 particles / m 3 .

[0067] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Therefore, any modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A process for producing a highly absorbent dust-free cloth, characterized in that: The highly absorbent dust-free cloth manufacturing process comprises the following steps: Step 1: Making a polyester composite layer, selecting 75D 100% polyester, using 28 needles to weave the polyester to form a polyester composite layer, and when weaving the polyester composite layer, implanting spacer yarns at a certain interval, and the spacer yarns constitute the boundary of the accommodating cavity; Step 2: Preparation of a polymer water-absorbent resin layer: preparing a skeleton with a plurality of circular grooves, and then filling the polymer water-absorbent resin blocks into the plurality of circular grooves to form a polymer water-absorbent resin layer; Step 3: a composite process, in which the water-absorbing sponge layer and the polymer water-absorbing resin layer are sequentially placed in the accommodating cavity of the polyester composite layer to form a dust-free cloth, and then the dust-free cloth is placed on an ultrasonic pressing device, and finally the ultrasonic pressing device is used to pre-press the dust-free cloth to form adhesion between the layers; Step 4: Laser edge banding: Place the pre-pressed dust-free cloth on the laser edge banding workbench and perform edge banding on the periphery of the dust-free cloth according to the preset cutting path; Step 5: In a Class 100 clean room, clean and dry the dust-free cloth in step 4; Step 6: In a Class 10 clean room, double-layer vacuum pack the unlayered cloth from step 5.

2. The process for producing a highly absorbent dust-free cloth according to claim 1, characterized in that: The polyester composite layer has a plurality of inwardly recessed accommodating cavities inside, and the accommodating cavities are formed by a hot pressing process.

3. The process for producing a highly absorbent dust-free cloth according to claim 1, characterized in that: The power of the laser edge banding workbench is 80-110W, and the cutting speed is 400mm / s-500mm / s.

4. The process for producing a highly absorbent dust-free cloth according to claim 1, characterized in that: The dust-free cloth is cleaned using deionized water with a resistivity of 18.2 megohms, and the cleaning time is 10 to 15 minutes.

5. The process for producing a highly absorbent dust-free cloth according to claim 1, characterized in that: The dust-free cloth is dried using a DHI-3000 dryer, the temperature of the DHI-3000 dryer is adjusted to 15-25° C., and the drying time is 15 minutes.

6. The process for producing a highly absorbent dust-free cloth according to claim 1, characterized in that: The double-layer vacuum packaging adopts a dust-free plastic bag.

7. The process for producing a highly absorbent dust-free cloth according to claim 6, characterized in that: The vacuum packaging adopts DZD-400 / 2S double-chamber vacuum machine; The DZD-400 / 2S double chamber vacuum machine is set to a vacuum level lower than -0.8 bar.

8. The process for producing a highly absorbent dust-free cloth according to claim 1, characterized in that: The Class 100 clean room has a temperature of 18-26°C, a humidity of 30%-70%, a concentration of solid particles in the air of no less than 0.5 microns, and a particle concentration of no more than 3,500 particles / m 3 ; The Class 10 clean room has a temperature of 20℃-25℃, a humidity of 45%-65%, a concentration of solid particles in the air of not less than 0.5 microns, and a particle concentration of no more than 120 particles / m 3 .

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