阅读说明：本技术 一种抗静电防水透湿涂层织物及制备方法 (Antistatic waterproof moisture-permeable coated fabric and preparation method thereof ) 是由 潘佳峰 于 2020-06-20 设计创作，主要内容包括：本申请公开了一种抗静电防水透湿涂层织物,涉及纺织技术领域,其包括基布、涂覆于基布上的涂层；所述基布为丙纶织物；所述涂层包括80-100g/L的水性聚丙烯酸酯类软胶、2-3g/L的增稠剂、1-1.2g/L的牢度增强剂和1.5-2.5g/L的交联剂；所述基布背离涂层的一侧嵌织有导电纤维层。本申请具有提高面料防水性能的效果。(The application discloses an antistatic waterproof moisture-permeable coated fabric, which relates to the technical field of textile and comprises base cloth and a coating coated on the base cloth; the base cloth is a polypropylene fabric; the coating comprises 80-100g/L of water-based polyacrylate soft rubber, 2-3g/L of thickening agent, 1-1.2g/L of fastness reinforcing agent and 1.5-2.5g/L of crosslinking agent; and a conductive fiber layer is embedded in one side of the base fabric, which is far away from the coating. This application has the effect that improves surface fabric waterproof performance.)

1. An antistatic waterproof moisture-permeable coated fabric is characterized in that: comprises a base cloth (1) and a coating (2) coated on the base cloth (1); the base cloth (1) is a polypropylene fabric; the coating (2) comprises 80-100g/L of water-based polyacrylate soft rubber, 2-3g/L of thickening agent, 1-1.2g/L of fastness reinforcing agent and 1.5-2.5g/L of crosslinking agent; and a conductive fiber layer (3) is embedded in one side of the base cloth (1) departing from the coating (2).

2. The antistatic waterproof moisture-permeable coated fabric according to claim 1, characterized in that: the conductive fiber layer (3) is formed by weaving conductive fibers; the conductive fiber is formed by spinning and twisting conductive yarn and terylene.

3. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 1, characterized in that: the preparation method comprises the following preparation steps:

s1, weaving, namely weaving into a base fabric (1) fabric through a large circular loom;

s2, performing waterproof finishing, namely performing waterproof treatment on the base cloth (1) by using 30g/L C6 low-temperature waterproof agent to enable the mangle ratio of the base cloth (1) to be 70%;

s3, drying, and baking the waterproof finished fabric for 3min at the temperature of 135 ℃;

s4, coating, namely coating the coating (2) on one side of the base cloth (1) through a coating machine (4);

and S5, embedding and weaving, namely embedding the conductive fibers into one side of the base cloth (1) away from the coating (2) in a tucking mode.

4. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 3, characterized in that: the coating machine (2) comprises a base (41), a feeding groove (42) arranged above the base (41) and a coating mechanism (43) arranged on the feeding groove (42); the coating mechanism (43) comprises two fixed plates (431) respectively arranged at two ends of the feed tank (42), a coating roller (432) rotatably connected between the two fixed plates (431), and a feeding roller (433) rotatably connected in the feed tank (42) and positioned right below the coating roller (432); a driving roller (434) is rotatably connected between the two fixing plates (431) and is positioned right above the coating roller (432); a coating motor (44) is arranged on one side of the fixing plate (431) which is far away from the coating roller (432), and an output shaft of the coating motor (44) is fixed with the end part of the coating roller (432); one side of the other fixing plate (431) is rotatably connected with a first gear (45) and a second gear (46); the first gear (45) and the second gear (46) are meshed with each other, the first gear (45) is fixed to the end portion of the coating roller (432), and the second gear (46) is fixed to the end portion of the feeding roller (433).

5. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 4, wherein the method comprises the following steps: a through hole (411) is formed in the base (41) and is positioned below the feeding groove (42); a storage tank (5) is arranged on the base (41) and is positioned right below the through hole (411); a material conveying mechanism (6) is connected between the storage tank (5) and the feeding tank (42).

6. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 5, wherein the method comprises the following steps: the material conveying mechanism (6) comprises a feed inlet and a conveying pump (61) communicated with one side of the storage tank (5); the discharge hole of the conveying pump (61) is communicated with the feed tank (42) through a conveying pipe (62); and a liquid level sensor (421) is arranged on the inner wall of the feeding groove (42) and above the axis of the feeding roller (433).

7. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 5, wherein the method comprises the following steps: a sewage draining outlet (51) is formed in one side of the storage tank (5), and a valve is arranged at the sewage draining outlet (51); the storage tank (5) is provided with a cleaning mechanism (7) for cleaning the interior of the storage tank (5); the cleaning mechanism (7) comprises a first U-shaped plate (71) arranged on the stock chest (5) in a sliding manner, a second U-shaped plate (72) arranged on the stock chest (5) in a sliding manner, and a driving mechanism (73) arranged on one side of the stock chest (5) and used for driving the first U-shaped plate (71) and the second U-shaped plate (72) to slide along the length direction of the stock chest (5); the vertical parts of the first U-shaped plate (71) and the second U-shaped plate (72) are in sliding fit with the two outer side walls of the storage tank (5), and cleaning plates (74) are arranged on the horizontal parts of the first U-shaped plate (71) and the second U-shaped plate (72); the two sides of the cleaning plate (74) are respectively attached to the two inner side walls of the storage tank (5), and the bottom of the cleaning plate (74) is attached to the bottom of the storage tank (5).

8. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 7, wherein the method comprises the following steps: the driving mechanism (73) comprises a first strip-shaped plate (731) arranged at the lower end of the vertical part of the first U-shaped plate (71), a second strip-shaped plate (732) arranged at the lower end of the vertical part of the second U-shaped plate (72) and a driving gear (733) rotatably arranged on the outer side wall of the storage tank (5); the length directions of the first strip-shaped plate (731) and the second strip-shaped plate (732) are consistent with the length direction of the material storage tank (5); the driving gear (733) is positioned at the center of the storage tank (5) in the length direction; a driving motor (734) is fixed on the outer side wall of the storage tank (5), and an output shaft of the driving motor (734) is fixed with a driving gear (733); the lower end surface of one first strip-shaped plate (731) is provided with a first rack (735) meshed with the upper surface of the driving gear (733); the upper end surface of the other second strip-shaped plate (732) is provided with a second rack (736) meshed with the lower surface of the driving gear (733).

9. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 7, wherein the method comprises the following steps: mounting plates (52) are fixed at two ends of the storage tank (5); a water pump (53) is arranged on the mounting plate (52); a water guide opening (741) is formed in the upper end of the cleaning plate (74); the water pump (53) is communicated with the water guide opening (741) through a water pipe; a water storage tank (742) communicated with the water guide opening (741) is formed in the cleaning plate (74); a round hole (743) is formed in the position, close to the end part of the material storage tank (5), of the cleaning plate (74); an annular groove (744) is formed in one side of the cleaning plate (74) and located on the outer side of the circular hole (743); a mounting cylinder (745) is arranged in the circular groove (744) in a sliding manner; the mounting cylinder (745) is connected with the wall of the circular groove (744) through a spring (746); a water guide plate (747) is fixed on one side of the mounting cylinder (745) departing from the spring (746); a plurality of first water through holes (748) are formed in the water guide plate (747); and a blocking piece (75) for blocking the first water through hole (748) is arranged at the round hole (743).

10. The method for preparing the antistatic waterproof moisture-permeable coated fabric according to claim 9, wherein the method comprises the following steps: the blocking piece (75) comprises a disc-shaped blocking plate (751) arranged at the round hole (743); a plurality of second water through holes (753) are formed in the blocking plate (751); the first water through hole (748) and the second water through hole (753) are arranged in a staggered mode; the circle center of the plugging plate (751) is superposed with the center of the circular hole (743); a fixing rod (752) is arranged between one side of the blocking plate (751) and the wall of the water storage tank (742) deviating from the circular hole (743); a sealing cylinder (754) is arranged on one side, close to the plugging plate (751), of the water guide plate (747); the inner wall of the sealing cylinder (754) is in sliding fit with the circumferential direction of the blocking plate (751), and the outer wall of the sealing cylinder (754) is in sliding fit with the wall of the circular hole (743).

Technical Field

The application relates to the technical field of spinning, in particular to an antistatic waterproof moisture-permeable coated fabric and a preparation method thereof.

Background

At present, a tent is a shed which is supported on the ground to shield wind, rain and sunlight and is used for temporary living, and is widely applied to the aspects of field construction operation, camping training, temporary meeting places, sports and entertainment places, army command posts, field hospitals, emergency rescue and relief work, camping, leisure, tourism and the like.

Tent fabrics on the market are generally formed by coating a polyurethane coating and a woven fabric, and the tent fabric comprises the following specific steps: firstly, obtaining a woven fabric base fabric through warp drafting, warping and weaving; then grinding, stirring and mixing chemical raw materials such as a cross-linking agent, a plasticizer, a stabilizer and the like to prepare a coating; and finally, coating the prepared coating on the surface of the woven fabric base cloth to form a coating, and carrying out embossing, trimming and roll dividing inspection to obtain the fabric.

However, when the waterproof tent is used in a complex outdoor environment, a large amount of water drops are accumulated on the surface of the fabric often to cause a water permeation phenomenon, so that the comfort of users of the tent is affected.

Disclosure of Invention

In order to reduce the phenomenon that the fabric is often permeable to water, the application provides an antistatic waterproof moisture-permeable coated fabric and a preparation method thereof.

In a first aspect, the application provides an antistatic waterproof moisture-permeable coated fabric, which adopts the following technical scheme:

an antistatic waterproof moisture permeable coated fabric comprises a base cloth and a coating coated on the base cloth; the base cloth is a polypropylene fabric; the coating comprises 80-100g/L of water-based polyacrylate soft rubber, 2-3g/L of thickening agent, 1-1.2g/L of fastness reinforcing agent and 1.5-2.5g/L of crosslinking agent; and a conductive fiber layer is embedded in one side of the base fabric, which is far away from the coating.

By adopting the technical scheme, the polypropylene fiber fabric is polypropylene fiber, the polypropylene fiber fabric has high strength, light weight and good wear resistance, and the density and the chemical resistance of the polypropylene fiber fabric are both due to terylene, so the polypropylene fiber fabric is a good material for outdoor products. The coating is coated on the base cloth, and the waterproof performance of the base cloth can be enhanced. Because the base cloth is a polypropylene fabric, the high-temperature resistance is avoided, the water-based polyacrylate soft glue can be solidified into a film at a low temperature, the film forming speed of the soft glue is high, and the adhesive force between the coating and the base cloth can be improved. The thickening agent can improve the viscosity of the coating, so that the coating is kept in a uniform and stable suspension state or an emulsion state, or gel is formed, the coating work of the coating is facilitated, and the coating can be stably adhered to the base cloth. The fastness reinforcing agent is nano titanium dioxide dispersion liquid, has strong chemical bonding adsorptivity and good film forming property, and can improve the light resistance of the base cloth. The cross-linking agent is used to generate chemical bonds between linear molecules to connect the linear molecules to form a network structure, so that the strength and the adhesion of the coating can be improved. The conductive fibers are embedded and woven, so that the antistatic performance of the base fabric can be improved.

Preferably, the conductive fiber layer is woven by conductive fibers; the conductive fiber is formed by spinning and twisting conductive yarn and terylene.

Through adopting above-mentioned technical scheme, dacron crease resistance and shape preserving nature are fine, have higher intensity and elasticity recovery ability, and are firm durable, and it is twisted with conductive fiber through conductive filament and dacron spinning, can improve conductive fiber's weaving intensity, improve conductive fiber's wearability, be favorable to improving the antistatic properties of conductive fiber when using for a long time.

In a second aspect, the application provides a preparation method of an antistatic waterproof moisture-permeable coated fabric, which adopts the following technical scheme:

a preparation method of an antistatic waterproof moisture-permeable coated fabric comprises the following preparation steps:

s1, weaving, namely weaving into a base fabric through a large circular loom;

s2, performing waterproof finishing, namely performing waterproof treatment on the base cloth by using 30g/L C6 low-temperature waterproof agent to ensure that the mangle reaching rate of the base cloth is 70%;

s3, drying, and baking the waterproof finished fabric for 3min at the temperature of 135 ℃;

s4, coating, namely coating the coating on one side of the base cloth by a coating machine;

and S5, embedding and weaving, namely embedding the conductive fibers into one side of the base cloth, which is far away from the coating, in a tucking mode.

By adopting the technical scheme, the base cloth is a polypropylene fabric and is not high-temperature resistant, and most of waterproof agents in the market need to be processed under a high-temperature condition, so that the C6 low-temperature waterproof agent is selected for carrying out waterproof treatment on the base cloth. The C6 low-temperature waterproof agent is a fluorocarbon waterproof agent, can form a layer of protective film on the surface layer of the fabric to wrap the fiber, and meanwhile, the functional monomer in the fluorocarbon polymer can be firmly combined with the fiber, so that the finished fabric has excellent waterproof performance. Fluorocarbon waterproofing agents are classified into short chain C6 and long chain C8 types according to the length of fluorocarbon chains. However, the C8 type contains ammonium perfluorooctanoate and perfluorooctane sulfonyl compounds, which are environmentally friendly, and the C6 waterproof agent can avoid the problem. The C6 low-temperature waterproof agent is preferably ZJ-560 waterproof agent, and can be crosslinked with fabric to generate waterproof effect at low temperature of 120 ℃.

Preferably, the coating machine comprises a base, a feeding groove arranged above the base and a coating mechanism arranged on the feeding groove; the coating mechanism comprises two fixing plates respectively arranged at two ends of the feeding tank, a coating roller rotationally connected between the two fixing plates and a feeding roller rotationally connected in the feeding tank and positioned right below the coating roller; a driving roller is rotatably connected between the two fixing plates and is positioned right above the coating roller; one side of the fixing plate, which is far away from the coating roller, is provided with a coating motor, and an output shaft of the coating motor is fixed with the end part of the coating roller; one side of the other fixing plate is rotatably connected with a first gear and a second gear; the first gear and the second gear are meshed with each other, the first gear is fixed to the end portion of the coating roller, and the second gear is fixed to the end portion of the feeding roller.

Through adopting above-mentioned technical scheme, start the coating motor, can drive first gear revolve, with first gear engagement's second gear revolve for on the coating roller is adhered to the coating roller with the coating of the coating in the feed tank to the material loading roller, the coating roller material loading is even, and can fall into the feed tank in the clout after the coating roller coating, makes things convenient for reuse, reduces the waste of material.

Preferably, a through hole is formed in the base and positioned below the feeding groove; a storage tank is arranged on the base and is positioned right below the through hole; and a material conveying mechanism is connected between the storage tank and the feeding tank.

Through adopting above-mentioned technical scheme, set up the through-hole on the base, can avoid the coating adhesion of coating not firm and drip, can not only improve coating for the feed tank by the stock chest, can also hold the coating that drips, further reduce the waste of coating, practice thrift the environmental protection more.

Preferably, the material conveying mechanism comprises a conveying pump with a feeding hole communicated with one side of the storage tank; the discharge hole of the conveying pump is communicated with the feed tank through a conveying pipe; and a liquid level sensor is arranged on the inner wall of the feeding groove and above the axis of the feeding roller.

Through adopting above-mentioned technical scheme, when the coating liquid level in the feed tank was less than level sensor, start the delivery pump, in the feed tank was carried in time with the coating of stock chest through the delivery pump, can uninterruptedly coat the coating on the base cloth, improved work efficiency.

Preferably, a sewage draining outlet is formed in one side of the storage tank, and a valve is arranged at the sewage draining outlet; the storage tank is provided with a cleaning mechanism for cleaning the interior of the storage tank; the cleaning mechanism comprises a first U-shaped plate arranged on the stock chest in a sliding manner, a second U-shaped plate arranged on the stock chest in a sliding manner, and a driving mechanism arranged on one side of the stock chest and used for driving the first U-shaped plate and the second U-shaped plate to slide along the length direction of the stock chest; the vertical parts of the first U-shaped plate and the second U-shaped plate are in sliding fit with the two outer side walls of the storage tank, and cleaning plates are arranged on the horizontal parts of the first U-shaped plate and the second U-shaped plate; the both sides of cleaning plate laminate with two inside walls of stock chest respectively, and the bottom of cleaning plate laminates with the bottom of stock chest.

Through adopting above-mentioned technical scheme, set up the drain, can in time get rid of the waste liquid in the stock chest to carry out new coating work. First U template and second U template erect on the stock chest, through actuating mechanism, can drive first U template and second U template and slide along the length direction of stock chest to drive two cleaning plates and remove in the inside of stock chest, the clearance can be scraped to the inside of stock chest in week side of cleaning plate, thereby can be with the clean up in the stock chest.

Preferably, the driving mechanism comprises a first strip-shaped plate arranged at the lower end of the vertical part of the first U-shaped plate, a second strip-shaped plate arranged at the lower end of the vertical part of the second U-shaped plate and a driving gear rotatably arranged on the outer side wall of the storage tank; the length directions of the first strip-shaped plate and the second strip-shaped plate are consistent with the length direction of the storage tank; the driving gear is positioned in the center of the storage tank in the length direction; a driving motor is fixed on the outer side wall of the storage tank, and an output shaft of the driving motor is fixed with the driving gear; the lower end surface of one first strip-shaped plate is provided with a first rack meshed with the upper surface of the driving gear; and a second rack meshed with the lower surface of the driving gear is arranged on the upper end surface of the other second strip-shaped plate.

Through adopting above-mentioned technical scheme, start driving motor for driving motor drives drive gear and rotates, with drive gear upper surface meshing and with the first bar shaped plate and the second bar shaped plate horizontal migration of drive gear lower surface meshing, thereby can drive first U template and second U template and slide to both opposite directions along the length direction of stock chest. When the driving motor rotates reversely, the first strip-shaped plate and the second strip-shaped plate move to the position close to the end part of the storage tank, and the cleaning plate is driven to move to the position close to the end part of the storage tank. The setting of first U template and second U template can be stabilized and remove along the length direction of stock chest.

Preferably, mounting plates are fixed at two ends of the storage tank; a water pump is arranged on the mounting plate; the upper end of the cleaning plate is provided with a water guide port; the water pump is communicated with the water guide port through a water pipe; a water storage tank communicated with the water guide port is formed in the cleaning plate; a circular hole is formed in the position, close to the end part of the storage tank, of the cleaning plate; an annular groove is formed in one side of the cleaning plate and positioned on the outer side of the round hole; an installation cylinder is arranged in the circular groove in a sliding manner; the mounting cylinder is connected with the wall of the circular groove through a spring; a water guide plate is fixed on one side of the mounting cylinder, which is far away from the spring; a plurality of first water through holes are formed in the water guide plate; and a blocking piece for blocking the first water through hole is arranged at the round hole.

Through adopting above-mentioned technical scheme, when needs clear up in to the feed tank through clearance mechanism, at first let in clean inboard with the clear water through the water pump for be full of the clear water in the clean inboard, extrude the water deflector through the clear water, make the water deflector overcome the pulling force of spring and keep away from the shutoff piece, make first limbers and the inside intercommunication of aqua storage tank, the clear water can switch on and spray out from first limbers, washs in the stock chest. When not needing to clear up in the stock chest, the clean board is equipped with one side of water deflector and supports the tip at the stock chest tightly, and under the effect of spring, shutoff board and shutoff piece laminating, and first limbers seal, and the coating in the stock chest is difficult for entering into in the stock chest.

Preferably, the blocking piece comprises a disc-shaped blocking plate arranged at the round hole; a plurality of second water through holes are formed in the plugging plate; the first water through holes and the second water through holes are arranged in a staggered mode; the circle center of the plugging plate is superposed with the center of the circular hole; a fixed rod is arranged between one side of the plugging plate and the wall of the water storage tank deviating from the round hole; a sealing cylinder is arranged on one side of the water guide plate close to the plugging plate; the inner wall of the sealing cylinder is in sliding fit with the circumferential direction of the plugging plate, and the outer wall of the sealing cylinder is in sliding fit with the hole wall of the round hole.

Through adopting above-mentioned technical scheme, first limbers and second limbers stagger each other, when not leading to water and entering into the cleaning board inside, under the effect of spring, the shutoff board is laminated with the water deflector all the time, first limbers and second limbers seal, sealed section of thick bamboo can keep the leakproofness between shutoff board and the round hole pore wall, and can effectively reduce rivers from the possibility that ring groove takes place the seepage, the whole leakproofness is better, when need not clean the stock chest in, the difficult inside that infiltrates the cleaning board of coating in the stock chest.

In summary, the present application has the following beneficial effects:

1. the polypropylene fiber fabric is polypropylene fiber, the polypropylene fiber fabric has high strength, light weight and good wear resistance, the density and the chemical resistance of the polypropylene fiber fabric are both due to terylene, the polypropylene fiber fabric is a good outdoor article material, and the coating is coated on the base cloth, so that the waterproof performance of the base cloth can be enhanced;

2. the terylene has good crease resistance and shape retention, higher strength and elastic recovery capability, is firm and durable, and the conductive fiber is spun and twisted with the terylene through the conductive yarn, so that the weaving strength of the conductive fiber can be improved, the wear resistance of the conductive fiber is improved, and the antistatic property of the conductive fiber after long-term use is favorably improved;

3. stagger first limbers and second limbers each other, when not leading to water and entering into the cleaning board inside, under the effect of spring, the shutoff board is laminated with the water guide board all the time, and first limbers and second limbers seal, and a sealed section of thick bamboo can keep the leakproofness between shutoff board and the round hole pore wall, and can effectively reduce rivers from the possibility that the seepage took place in ring groove, and overall leakproofness is better.

Drawings

Fig. 1 is a schematic structural diagram of an antistatic waterproof moisture-permeable coated fabric according to an embodiment of the present application.

Fig. 2 is a schematic step diagram of a method for preparing an antistatic waterproof moisture-permeable coated fabric according to an embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of the coating machine.

Fig. 4 is a schematic structural view of the coating mechanism.

Fig. 5 is a schematic structural view of the cleaning mechanism.

Fig. 6 is a schematic view of the structure of the cleaning plate.

Reference numerals: 1. a base cloth; 2. coating; 3. a conductive fiber layer; 4. a coating machine; 41. a base; 411. a through hole; 42. a feeding tank; 421. a liquid level sensor; 43. a coating mechanism; 431. a fixing plate; 432. a paint roller; 433. a feeding roller; 434. a driving roller; 44. a paint motor; 45. a first gear; 46. a second gear; 5. a storage tank; 51. a sewage draining outlet; 52. mounting a plate; 53. a water pump; 6. a material conveying mechanism; 61. a delivery pump; 62. a delivery pipe; 7. a cleaning mechanism; 71. a first U-shaped plate; 72. a second U-shaped plate; 73. a drive mechanism; 731. a first strip-shaped plate; 732. 73 a second strip; 733. a drive gear; 734. a drive motor; 735. a first rack; 736. a second rack; 74. cleaning the plate; 741. a water guide port; 742. a water storage tank; 743. a circular hole; 744. a circular groove; 745. mounting the cylinder; 746. a spring; 747. a water guide plate; 748. a first water passage hole; 75. a blocking member; 751. a plugging plate; 752. fixing the rod; 753. a second water through hole; 754. and (6) sealing the cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses an antistatic waterproof moisture-permeable coated fabric.