Synthetic polymer waterproof coiled material and preparation method thereof

Abstract

The invention discloses a synthetic polymer waterproof coiled material and a preparation method thereof, and relates to the technical field of waterproof coiled materials, the synthetic polymer waterproof coiled material comprises a synthetic polymer layer, polyester layers are arranged on the upper and lower sides of the synthetic polymer layer, the top of the upper polyester layer is fixedly coated with a waterproof coating, and the bottom of the lower polyester layer is fixedly coated with a primer. Oil film protection paper is fixedly adhered to the bottom of the primer, and the preparation method of the synthetic polymer waterproof roll comprises the following steps: step 1, preparing raw materials; 2, preparing a sizing material; the polyester layers are compounded on the upper side and the lower side of the synthetic polymer layer, so that the tensile property and the stability of the whole coiled material are improved by utilizing the characteristics of the polyester layers, meanwhile, the waterproof coiled material has excellent properties such as moisture resistance, UV resistance and chemical substance resistance, and meanwhile, the waterproof coating is coated on the top of the uppermost polyester layer, so that the waterproof performance of the coiled material is improved. Therefore, the waterproof effect of the coiled material is further optimized, and the waterproof comprehensiveness is improved.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof coiled materials, and in particular to a synthetic polymer waterproof coiled material and a preparation method thereof. Background Art

[0002] Waterproofing membranes are mainly used for building walls, roofs, tunnels, roads, landfills, etc. They are a kind of flexible building material product that can be rolled into a roll to resist the leakage of rainwater and groundwater from the outside. As a leak-free connection between the engineering foundation and the building, it is the first barrier to waterproofing the entire project and plays a vital role in the entire project. The waterproofing material product made by impregnating asphalt or polymer waterproofing materials on the matrix is ​​provided in the form of a roll, which is called waterproofing membrane. According to the main component materials, it is divided into asphalt waterproofing membrane, polymer modified asphalt waterproofing membrane and synthetic polymer waterproofing membrane; according to the different matrix, it is divided into matrix-free membrane, paper matrix membrane, glass fiber matrix membrane, glass cloth matrix membrane and polyethylene matrix membrane. The following problems exist in the existing technology: Because the existing synthetic polymer waterproof membrane has poor adhesion, high construction technology requirements, it is difficult to fully bond with the base layer, and there are many overlap seams, which can easily cause poor adhesion of the seams and thus leakage problems. At the same time, the existing synthetic polymer waterproof membrane has large thermal shrinkage and late shrinkage, which often causes the membrane waterproof layer to produce large internal stress and accelerate aging, or cause problems such as the waterproof layer being torn, the overlap seams being pulled off and the edges being warped. Summary of the invention

[0003] The present invention provides a synthetic polymer waterproof coiled material and a preparation method thereof to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: A synthetic polymer waterproof coiled material and a preparation method thereof, comprising a synthetic polymer layer, wherein polyester layers are arranged on the upper and lower sides of the synthetic polymer layer, the top of the upper polyester layer is fixedly coated with a waterproof coating, the bottom of the lower polyester layer is fixedly coated with a primer, and the bottom of the primer is fixedly bonded with an oil film protective paper.

[0005] A further improvement of the technical solution of the present invention is that it comprises the following steps: Step 1: Prepare raw materials; Step 2: Rubber preparation; Step 3: Molding process; Step 4: Vulcanization and inspection; Step 5: Primer coating; Step 6: Packaging and storage; The raw materials in step 1 include main raw materials and auxiliary raw materials, the main raw materials refer to the raw materials required for synthesizing the polymer layer, the polyester layer, and the waterproof coating, the raw materials required for synthesizing the polymer layer are EPDM rubber and polyvinyl chloride, the polyester layer is prepared by compounding polyester resin and glass fiber cloth, and the auxiliary raw materials refer to anti-aging agents, stabilizers, antioxidants, and filling materials; The step 2 includes the following steps: A1: Ingredients: weigh the main raw materials and auxiliary raw materials accurately according to the ratio of 2:1; A2: Mixing: put the weighed raw materials into the internal mixer and mix them to make the various ingredients evenly dispersed; A3: Plastication, plasticizing the mixed rubber material through an open mixing mill; A4: Filter to remove impurities in the rubber material to ensure the purity of the coil; A5: Heat refining, heating the rubber to a certain temperature to make it suitable for extrusion or calendering.

[0006] A further improvement of the technical solution of the present invention is that the step three includes two steps of extrusion molding and calendering molding, and the extrusion molding includes the following steps: B1: Feed the heat-refined rubber into the screw barrel of the extruder; B2: After heating, plasticizing, stirring and compressing in an extruder for one hour, the rubber material is fully plasticized; B3: Extruding the hot melt film through a die to form the initial shape of the coil; B4: A polyester layer can be added during the extrusion process, and the polyester layer can be compounded with the upper and lower surfaces of the hot-melt film by a rolling device.

[0007] A further improvement of the technical solution of the present invention is that the calendering forming comprises the following steps: C1: Feed the pre-extruded sheet between the two rollers of the calender; C2: Use the pressure between the rollers to make the rubber material stretch and deform to make a coil.

[0008] A further improvement of the technical solution of the present invention is that during the vulcanization in step 4, the formed coil needs to be sent to a vulcanization tank for vulcanization treatment, and then the vulcanized coil is subjected to quality inspection, including appearance inspection, size measurement, and pulling coil performance test, to ensure that the coil meets the standard requirements.

[0009] A further improvement of the technical solution of the present invention is that: the coiled material inspected in step five can use a spraying device to evenly spray the primer and waterproof coating on the top of the upper polyester layer and the bottom of the lower polyester layer of the coiled material in step three, and then use a laminating mechanism to attach an oil film protective paper to the bottom of the primer for protection to avoid dust, and then the coiled material is rolled up.

[0010] A further improvement of the technical solution of the present invention is that in step six, the synthetic polymer waterproofing coiled materials that have passed the inspection are divided into rolls and packaged, and then the packaged coiled materials are stored in a dry, ventilated, light-proof environment.

[0011] A further improvement of the technical solution of the present invention is that: a waterproof coiled material spraying device is now proposed, comprising a spraying platform box, a spraying mechanism is arranged on the top rear side of the spraying platform box, a feeding mechanism is arranged on the rear side of the spraying platform box, the spraying mechanism comprises a fixed vertical plate, the fixed vertical plate is fixedly installed on the top rear side of the synthetic polymer layer, a transverse driving plate is fixedly installed on the top of the fixed vertical plate, a slide groove is opened on the front side of the transverse driving plate, a motor is fixedly installed on the left side of the transverse driving plate, the output shaft of the motor passes through the inner cavity of the slide groove and is fixedly installed with a reciprocating screw, a moving plate is threadedly installed on the outer wall of the reciprocating screw, an electric push rod is fixedly installed on the front side of the moving plate, and a lifting plate is fixedly installed on the bottom output end of the electric push rod; A further improvement of the technical solution of the present invention is that: spray boxes are fixedly installed on the left and right sides of the lifting plate, and a plurality of spray nozzles are fixedly installed on the bottoms of the two spray boxes. The feeding mechanism includes a carrying plate, which is fixedly installed on the rear side of the synthetic polymer layer, and a waterproof coating tank is fixedly installed on the left side of the top of the carrying plate. A feed pump 1 is arranged on the right side of the waterproof coating tank, and the feed pump 1 is fixedly installed on the top of the carrying plate. The input end of the feed pump 1 is fixedly connected to the inner cavity of the waterproof coating tank. A primer storage tank is fixedly installed on the right side of the top of the carrying plate, and a feed pump 2 is arranged on the left side of the primer storage tank. The feed pump 2 is fixedly installed on the top of the carrying plate, and the input end of the feed pump 2 is fixedly connected to the inner cavity of the primer storage tank. The output ends of the feed pump 2 and the feed pump 1 are fixedly connected with water delivery hoses, and the output ends of the two water delivery hoses are respectively fixedly connected to the tops of the two spray boxes; A further improvement of the technical solution of the present invention lies in that: telescopic cylinders are fixedly installed on the left and right sides of the bottom of the inner wall of the spray platform box, and the top output ends of the two telescopic cylinders are fixedly installed with a lifting and placing plate, and the lifting and placing plate is provided with three suction cup holes that pass through from top to bottom, and three air pipes are fixedly installed on the bottom of the inner wall of the spray platform box, and the tops of the three air pipes are all fixedly connected with suction cups, and the three suction cups are respectively located on the inner sides of the three suction cup holes, and connecting pipes are fixedly connected between the opposite surfaces of the three air pipes, and an air pump is fixedly installed on the rear side of the bottom of the inner wall of the spray platform box, and the input end of the air pump is fixedly connected with an exhaust pipe, and the exhaust pipe is fixedly connected to one of the connecting pipes, and material troughs are provided on the left and right sides of the top of the spray platform box, and the material troughs are located on the left and right sides of the lifting and placing plate.

[0012] Due to the adoption of the above technical solution, the present invention has the following technical advances compared with the prior art: 1. The present invention provides a synthetic polymer waterproof coiled material and a preparation method thereof. A polyester layer is compositely arranged on both the upper and lower sides of a synthetic polymer layer, thereby utilizing the inherent characteristics of the polyester layer to improve the tensile strength and stability of the overall coiled material, and at the same time, the waterproof coiled material can have excellent properties such as moisture resistance, UV resistance, and chemical resistance. At the same time, a waterproof coating is applied to the top of the uppermost polyester layer, thereby further optimizing the waterproof effect of the coiled material and improving the comprehensiveness of waterproofing.

[0013] 2. The present invention provides a synthetic polymer waterproof roll and a preparation method thereof. By applying a primer to the bottom of the lowest polyester layer, the entire roll is made more stable when bonded and installed on a flat surface, thereby avoiding thermal shrinkage and late shrinkage of the synthetic polymer waterproof roll, as well as warping problems.

[0014] 3. The present invention provides a synthetic polymer waterproof coiled material and a preparation method thereof. Through the mutual cooperation among the spraying platform box, spraying mechanism, and feeding mechanism included in the waterproof coiled material spraying equipment, the waterproof coating and primer required for the coiled material can be sprayed quickly and evenly, thereby improving the preparation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the preparation method of the present invention; Figure 3 It is an overall schematic diagram of the waterproof coiled material spraying equipment of the present invention; Figure 4 A schematic diagram of a spraying mechanism of the present invention; Figure 5 A schematic diagram of a feeding mechanism of the structure of the present invention; Figure 6It is a cross-sectional schematic diagram of the spray platform box of the structure of the present invention.

[0016] In the figure: 1. synthetic polymer layer; 2. polyester layer; 3. waterproof coating; 4. primer; 5. oil film protection paper; 6. spray platform box; 61. telescopic cylinder; 62. lifting and placing plate; 63. suction cup hole; 64. air pipe; 65. connecting pipe; 66. suction cup; 67. air pump; 68. exhaust pipe; 69. material trough; 7. spray mechanism; 71. fixed vertical plate; 72. horizontal drive plate; 73. slide; 74. motor; 75. reciprocating screw; 76. moving plate; 77. electric push rod; 78. lifting plate; 781. spray box; 782. spray nozzle; 8. feeding mechanism; 81. carrying plate; 82. waterproof coating tank; 83. feeding pump 1; 84. water supply hose; 85. primer storage tank; 86. feeding pump 2. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with embodiments: Example 1 like Figure 1-6 As shown, the present invention provides a synthetic polymer waterproof coiled material, including a synthetic polymer layer 1, polyester layers 2 are arranged on the upper and lower sides of the synthetic polymer layer 1, a waterproof coating 3 is fixedly coated on the top of the upper polyester layer 2, a primer 4 is fixedly coated on the bottom of the lower polyester layer 2, and an oil film protective paper 5 is fixedly bonded to the bottom of the primer 4.

[0018] In this embodiment, the polyester layer 2 has good tensile properties and stability. Since its properties are based on polyester fibers and resins, it can provide longer-lasting protection. In addition, it also has excellent properties such as moisture resistance, UV resistance, and chemical resistance. The primer 4 is a colorless, solvent-containing liquid with siloxane as the main raw material. It is specially used as a connector between addition-type silicone and condensation-type silicone and a variety of difficult-to-bond materials. The oil film protection paper 5 can protect the primer 4 well before the roll is used and can be torn off when used.

[0019] Example 2 like Figure 1-6 As shown, based on Example 1, the present invention provides a method for preparing a synthetic polymer waterproofing coiled material: preferably, the method comprises the following steps: Step 1: Prepare raw materials; Step 2: Rubber preparation; Step 3: Molding process; Step 4: Vulcanization and inspection; Step 5: Primer coating; Step 6: Packaging and storage; The raw materials in step 1 include main raw materials and auxiliary raw materials. The main raw materials refer to the raw materials required for synthesizing the polymer layer, the polyester layer, and the waterproof coating. The raw materials required for synthesizing the polymer layer are EPDM rubber and polyvinyl chloride, and the polyester layer is prepared by compounding polyester resin and glass fiber cloth. The auxiliary raw materials refer to anti-aging agents, stabilizers, antioxidants, and filling materials. Step 2 includes the following steps: A1: Ingredients: weigh the main raw materials and auxiliary raw materials accurately according to the ratio of 2:1; A2: Mixing: put the weighed raw materials into the internal mixer and mix them to make the various ingredients evenly dispersed; A3: Plastication, plasticizing the mixed rubber material through an open mixing mill; A4: Filter to remove impurities in the rubber material to ensure the purity of the coil; A5: Heat refining, heating the rubber to a certain temperature to make it suitable for extrusion or calendering; Step three includes two steps of extrusion molding and calendering molding, and the extrusion molding includes the following steps: B1: Feed the heat-refined rubber into the screw barrel of the extruder; B2: After heating, plasticizing, stirring and compressing in an extruder for one hour, the rubber material is fully plasticized; B3: Extruding the hot melt film through a die to form the initial shape of the coil; B4: A polyester layer can be added during the extrusion process, and the polyester layer is compounded with the upper and lower surfaces of the hot-melt film through a rolling device; Calendering includes the following steps: C1: Feed the pre-extruded sheet between the two rollers of the calender; C2: Use the pressure between the rollers to make the rubber material stretch and deform to make a coil; During the vulcanization in step 4, the formed coil needs to be sent to the vulcanization tank for vulcanization treatment, and then the quality inspection of the vulcanized coil is carried out, including appearance inspection, size measurement, and pulling coil performance test to ensure that the coil meets the standard requirements.

[0020] Example 3 like Figure 1-6 As shown, on the basis of Example 2, the present invention provides a technical solution: preferably, the coiled material inspected in step five can use a spraying device to evenly spray the primer and the waterproof coating on the top of the upper polyester layer and the bottom of the lower polyester layer of the coiled material in step three, and then use a laminating mechanism to attach the oil film protection paper to the bottom of the primer for protection to avoid dust, and then the coiled material is rolled up, and in step six, the synthetic polymer waterproof coiled material that has passed the inspection is divided into rolls and packaged, and then the packaged coiled material is stored in a dry, ventilated, light-proof environment.

[0021] Example 4 like Figure 1-6 As shown, on the basis of Example 2, the present invention provides a waterproof coiled material spraying device: preferably, it includes a spraying platform box 6, a spraying mechanism 7 is arranged on the top rear side of the spraying platform box 6, a feeding mechanism 8 is arranged on the rear side of the spraying platform box 6, the spraying mechanism 7 includes a fixed vertical plate 71, the fixed vertical plate 71 is fixedly installed on the top rear side of the synthetic polymer layer 1, a transverse driving plate 72 is fixedly installed on the top of the fixed vertical plate 71, a slide groove 73 is opened on the front side of the transverse driving plate 72, a motor 74 is fixedly installed on the left side of the transverse driving plate 72, the output shaft of the motor 74 passes through the inner cavity of the slide groove 73 and is fixedly installed with a reciprocating screw 75, the outer A movable plate 76 is installed with a wall thread, an electric push rod 77 is fixedly installed on the front side of the movable plate 76, a lifting plate 78 is fixedly installed on the bottom output end of the electric push rod 77, spray boxes 781 are fixedly installed on the left and right sides of the lifting plate 78, and a plurality of spray nozzles 782 are fixedly installed on the bottom of the two spray boxes 781. The feeding mechanism 8 includes a bearing plate 81, the bearing plate 81 is fixedly installed on the rear side of the synthetic polymer layer 1, a waterproof coating tank 82 is fixedly installed on the left side of the top of the bearing plate 81, and a feed pump 83 is arranged on the right side of the waterproof coating tank 82, and the feed pump 83 is fixedly installed on the top of the bearing plate 81, and the input end of the feed pump 83 is connected to the waterproof coating tank The inner cavity of the primer storage tank 82 is fixedly connected, a primer storage tank 85 is fixedly installed on the right side of the top of the carrier plate 81, and a feed pump 86 is arranged on the left side of the primer storage tank 85. The feed pump 86 is fixedly installed on the top of the carrier plate 81, and the input end of the feed pump 86 is fixedly connected to the inner cavity of the primer storage tank 85. The output ends of the feed pump 86 and the feed pump 1 83 are fixedly connected with a water hose 84, and the output ends of the two water hoses 84 are respectively fixedly connected to the tops of the two spray boxes 781. Telescopic cylinders 61 are fixedly installed on the left and right sides of the bottom of the inner wall of the spray platform box 6, and the top output ends of the two telescopic cylinders 61 are fixedly installed with a lifting and placing plate 62. The lifting and placing plate 62 is provided with three suction cup holes 63 which pass through from top to bottom. Three air pipes 64 are fixedly installed on the bottom of the inner wall of the spray platform box 6. The tops of the three air pipes 64 are all fixedly connected with suction cups 66. The three suction cups 66 are respectively located on the inner sides of the three suction cup holes 63. Connecting pipes 65 are fixedly connected between the opposite surfaces of the three air pipes 64. An air pump 67 is fixedly installed on the rear side of the bottom of the inner wall of the spray platform box 6. An exhaust pipe 68 is fixedly connected to the input end of the air pump 67. The exhaust pipe 68 is fixedly connected to one of the connecting pipes 65. Material taking troughs 69 are provided on the left and right sides of the top of the spray platform box 6. The material taking troughs 69 are located on the left and right sides of the lifting and placing plate 62.

[0022] In this embodiment, when in use, the cut coil is first spread out and placed on the lifting plate 62, and then the air pump 67 in the inner cavity of the spraying platform box 6 is started, so that the three air pipes 64 are pulled by the connection between the exhaust pipe 68 and the connecting pipe 65, so that the suction cup 66 sucks the coil placed on the top thereof, and then the two telescopic cylinders 61 can be started to drive the lifting plate 62 to descend, so that the coil is suspended in the air to avoid a large amount of leakage on the lifting plate 62 during spraying, and then the motor 74 on the left side of the horizontal driving plate 72 can be started to drive the reciprocating screw 75 in the slide slot 73 to rotate, and the reciprocating screw 75 can be driven to rotate with the threaded connection with the moving plate 76 to drive the moving plate 76 to drive the electric push rod 77 to reciprocate left and right as a whole, and at the same time, the motor 74 on the left side of the horizontal driving plate 72 can be started to drive the reciprocating screw 75 in the slide slot 73 to rotate. By moving the electric push rod 77, the lifting plate 78 can be lowered to make it closer to the coiled material. Then, the feed pump 86 on the top of the carrying plate 81 can be started first to extract the primer in the primer storage tank 85 and transport it to the spray box 781 on the right side of the lifting plate 78 through the water hose 84. The coiled material is sprayed back and forth by a plurality of spray nozzles 782. After spraying, it can be covered with oil film protection paper 5. Then, the steps of opening and placing are repeated to turn the coiled material over and place it by adsorption. Then, the feed pump 83 can be started again to extract the waterproof coating in the waterproof coating tank 82 and transport it to the spray box 781 on the left side of the lifting plate 78 through the water hose 84. The coiled material is sprayed back and forth by a plurality of spray nozzles 782, thereby completing the spraying process of the coiled material.

[0023] The working principle of the synthetic polymer waterproof membrane and its preparation method will be described in detail below.

[0024] like Figure 1-6 As shown, by compounding the polyester layer 2 on both the upper and lower sides of the synthetic polymer layer 1, the inherent characteristics of the polyester layer 2 are utilized to improve the tensile strength and stability of the overall roll material, and at the same time, the waterproof roll material can have excellent properties such as moisture resistance, UV resistance, and chemical resistance. At the same time, the top of the uppermost polyester layer 2 is coated with a waterproof coating 3, so as to further optimize the waterproof effect of the roll material and improve the comprehensiveness of waterproofing. A primer 4 is coated on the bottom of the lowermost polyester layer 2, so that the overall roll material is more stable when bonded and installed on a plane, thereby avoiding thermal shrinkage and late shrinkage of the synthetic polymer waterproof roll material, as well as warping problems.

[0025] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A synthetic polymer waterproofing roll material, comprising a synthetic polymer layer (1), characterized in that: The synthetic polymer layer (1) is provided with a polyester layer (2) on both the upper and lower sides; the top of the upper polyester layer (2) is fixedly coated with a waterproof coating (3); the bottom of the lower polyester layer (2) is fixedly coated with a primer (4); and the bottom of the primer (4) is fixedly bonded with an oil film protective paper (5).

2. A method for preparing a synthetic polymer waterproofing coiled material, characterized in that: The following steps are involved: Step 1: Prepare raw materials; Step 2: Rubber preparation; Step 3: Molding process; Step 4: Vulcanization and inspection; Step 5: Primer coating; Step 6: Packaging and storage; The raw materials in step 1 include main raw materials and auxiliary raw materials, the main raw materials refer to the raw materials required for synthesizing the polymer layer, the polyester layer, and the waterproof coating, the raw materials required for synthesizing the polymer layer are EPDM rubber and polyvinyl chloride, the polyester layer is prepared by compounding polyester resin and glass fiber cloth, and the auxiliary raw materials refer to anti-aging agents, stabilizers, antioxidants, and filling materials; The step 2 includes the following steps: A1: Ingredients: weigh the main raw materials and auxiliary raw materials accurately according to the ratio of 2:1; A2: Mixing: put the weighed raw materials into the internal mixer and mix them to make the various ingredients evenly dispersed; A3: Plastication, plasticizing the mixed rubber material through an open mixing mill; A4: Filter to remove impurities in the rubber material to ensure the purity of the coil; A5: Heat refining, heating the rubber to a certain temperature to make it suitable for extrusion or calendering.

3. The method for preparing a synthetic polymer waterproofing coiled material according to claim 2, characterized in that: The step three includes two steps of extrusion molding and calendering molding, and the extrusion molding includes the following steps: B1: Feed the heat-refined rubber into the screw barrel of the extruder; B2: After heating, plasticizing, stirring and compressing in an extruder for one hour, the rubber material is fully plasticized; B3: Extruding the hot melt film through a die to form the initial shape of the coil; B4: A polyester layer can be added during the extrusion process, and the polyester layer can be compounded with the upper and lower surfaces of the hot-melt film by a rolling device.

4. The method for preparing a synthetic polymer waterproof coiled material according to claim 3, characterized in that: The calendering process comprises the following steps: C1: Feed the pre-extruded sheet between the two rollers of the calender; C2: Use the pressure between the rollers to make the rubber material stretch and deform to make a coil.

5. The method for preparing a synthetic polymer waterproofing coiled material according to claim 2, characterized in that: During the vulcanization in step 4, the formed coil needs to be sent to a vulcanization tank for vulcanization treatment, and then the vulcanized coil is subjected to quality inspection, including appearance inspection, size measurement, and pulling coil performance test, to ensure that the coil meets the standard requirements.

6. The method for preparing a synthetic polymer waterproofing coiled material according to claim 2, characterized in that: The coiled material inspected in step five can be evenly sprayed with primer and waterproof coating on the top of the upper polyester layer and the bottom of the lower polyester layer of the coiled material in step three using a spraying device, and then the oil film protective paper is attached to the bottom of the primer using a laminating mechanism for protection to avoid dust, and then the coiled material is rolled up.

7. The method for preparing a synthetic polymer waterproofing coiled material according to claim 2, characterized in that: In the step six, the synthetic polymer waterproofing coiled materials that have passed the inspection are divided into rolls and packaged, and then the packaged coiled materials are stored in a dry, ventilated, light-proof environment.

8. According to the method for preparing a synthetic polymer waterproofing coiled material according to claim 2, a waterproofing coiled material spraying device is provided, comprising a spraying platform box (6), characterized in that: A spraying mechanism (7) is arranged at the rear side of the top of the spraying platform box (6), and a feeding mechanism (8) is arranged at the rear side of the spraying platform box (6). The spraying mechanism (7) comprises a fixed vertical plate (71), and the fixed vertical plate (71) is fixedly mounted on the rear side of the top of the synthetic polymer layer (1). A transverse driving plate (72) is fixedly mounted on the top of the fixed vertical plate (71), and a slide groove (73) is provided on the front side of the transverse driving plate (72). A motor (74) is fixedly mounted on the left side of the transverse driving plate (72), and the output shaft of the motor (74) passes through the inner cavity of the slide groove (73) and is fixedly mounted with a reciprocating screw (75), and a moving plate (76) is threadedly mounted on the outer wall of the reciprocating screw (75), and an electric push rod (77) is fixedly mounted on the front side of the moving plate (76), and a lifting plate (78) is fixedly mounted on the bottom output end of the electric push rod (77).

9. The method for preparing a synthetic polymer waterproofing coiled material according to claim 8, characterized in that: A spray box (781) is fixedly mounted on both left and right sides of the lifting plate (78), and a plurality of spray nozzles (782) are fixedly mounted on the bottom of the two spray boxes (781). The feeding mechanism (8) comprises a carrying plate (81), and the carrying plate (81) is fixedly mounted on the rear side of the synthetic polymer layer (1). A waterproof coating tank (82) is fixedly mounted on the left side of the top of the carrying plate (81), and a feed pump (83) is arranged on the right side of the waterproof coating tank (82). The feed pump (83) is fixedly mounted on the top of the carrying plate (81), and the input end of the feed pump (83) is connected to the waterproof coating tank (82). The inner cavity of the water coating tank (82) is fixedly connected, a primer storage tank (85) is fixedly installed on the right side of the top of the supporting plate (81), and a feed pump 2 (86) is arranged on the left side of the primer storage tank (85). The feed pump 2 (86) is fixedly installed on the top of the supporting plate (81), and the input end of the feed pump 2 (86) is fixedly connected to the inner cavity of the primer storage tank (85). The output ends of the feed pump 2 (86) and the feed pump 1 (83) are both fixedly connected with a water delivery hose (84), and the output ends of the two water delivery hoses (84) are respectively fixedly connected to the tops of the two spray boxes (781).

10. The method for preparing a synthetic polymer waterproofing coiled material according to claim 8, characterized in that: Telescopic cylinders (61) are fixedly mounted on both left and right sides of the bottom of the inner wall of the spraying platform box (6); a lifting plate (62) is fixedly mounted on the top output ends of the two telescopic cylinders (61); the lifting plate (62) is provided with three suction cup holes (63) extending vertically; three air supply pipes (64) are fixedly mounted on the bottom of the inner wall of the spraying platform box (6); the tops of the three air supply pipes (64) are fixedly connected with suction cups (66); the three suction cups (66) are respectively located at the three suction cups (66). Inside the disk hole (63), connecting pipes (65) are fixedly connected between the opposite surfaces of the three air delivery pipes (64); an air pump (67) is fixedly installed on the rear side of the bottom of the inner wall of the spray platform box (6); an air extraction pipe (68) is fixedly connected to the input end of the air pump (67); the air extraction pipe (68) is fixedly connected to one of the connecting pipes (65); and material extraction troughs (69) are provided on both sides of the top of the spray platform box (6); the material extraction troughs (69) are located on the left and right sides of the lifting and placing plate (62).

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