Environment-friendly plant-puncture-resistant PVC (polyvinyl chloride) waterproof coiled material and preparation method thereof

Abstract

The invention belongs to the technical field of PVC (polyvinyl chloride) waterproof coiled materials, and particularly relates to an environment-friendly plant-puncture-resistant PVC waterproof coiled material and a preparation method thereof, and the environment-friendly plant-puncture-resistant PVC waterproof coiled material comprises the following raw material components in parts by weight: 30-50 parts of phenolic resin; 15 to 30 parts of chlorine-vinegar-horse resin; 20 to 45 parts of polyvinyl chloride resin; 1-8 parts of a stabilizer; 3 to 10 parts of trehalose; 2 to 10 parts of dimethyl tetrachlorophenoxypropionic acid; 5-8 parts of a coupling agent; 1 to 3 parts of calcium bentonite; 0.1 to 0.8 part of phytosterol; 4 to 10 parts of diphenol propane; 1 to 5 parts of phenyl alkyl sulfonate; 3 to 10 parts of calcium stearate; 0.35 to 2 parts of a mildew-resistant agent; 0.2 to 0.5 part of an antioxidant; the chemical corrosion resistance is high, and specific occasions can be adapted; the plant root system can be inhibited and driven, so that the plant root system cannot continue to grow downwards, the penetrability damage of the plant root system to the waterproof coiled material is reduced, the integrity of the waterproof coiled material is guaranteed, and the service life of the waterproof coiled material is greatly prolonged.

Description

Technical Field

[0001] The invention belongs to the technical field of PVC waterproof coiled materials, in particular to an environmentally friendly plant puncture-resistant PVC waterproof coiled material and a preparation method thereof. Background Art

[0002] Modern society pursues green health and requires increasing green space and protecting vegetation. However, in cities with high-rise buildings, land is extremely valuable and there is less land available for greening. Therefore, people have come up with the idea of ​​planting plants on the roofs of buildings to increase green space, purify the air and beautify the environment. In the process of building construction, waterproofing construction is required to prevent water seepage and leakage in buildings. The most common waterproofing construction is to lay waterproof membrane on the roof of the building.

[0003] The existing anti-seepage and root penetration resistant waterproof membrane is one of metal base waterproof membrane, modified asphalt root penetration resistant waterproof membrane, root penetration resistant polyethylene base polymer modified asphalt waterproof membrane and root penetration resistant polyethylene composite waterproof membrane. Among them, the modified asphalt root penetration resistant waterproof membrane usually includes a color film, an anti-seepage layer, a polymer waterproof layer, a base layer, a root penetration resistant layer, a reinforcement layer, an asphalt layer and a base membrane. By coating each coating with an anti-root self-adhesive film, it has the characteristics of high strength, root penetration resistance and effective prevention of water seepage, thereby improving the strength and adaptability of the waterproof membrane.

[0004] The waterproof roll used in the prior art adopts modified asphalt as the main waterproof layer, which has good waterproof performance and low cost, but is not resistant to root thorns. Asphalt is toxic to plant roots and affects plant growth. Ordinary modified asphalt layers are easily pierced by particles left on the surface of the building, resulting in a decrease or even loss of waterproof performance, causing leakage.

[0005] To this end, the present invention provides an environmentally friendly plant puncture-resistant PVC waterproof coiled material and a preparation method thereof. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve the technical problem is: the environmentally friendly plant puncture-resistant PVC waterproof coiled material of the present invention comprises the following raw material components in parts by weight:

[0008] Phenolic resin: 30-50 parts;

[0009] Chloro-acetic-maltose resin: 15-30 parts;

[0010] Polyvinyl chloride resin: 20-45 parts;

[0011] Stabilizer: 1 to 8 parts;

[0012] Trehalose: 3-10 parts;

[0013] Dimethyl tetrachlorophenoxypropionic acid: 2-10 parts;

[0014] Coupling agent: 5-8 parts;

[0015] Calcium bentonite: 1-3 parts;

[0016] Phytosterols: 0.1-0.8 parts;

[0017] Diphenol propane: 4-10 parts;

[0018] Alkyl sulfonate phenyl ester: 1-5 parts;

[0019] Calcium stearate: 3-10 parts;

[0020] Antifungal agent: 0.35-2 parts;

[0021] Antioxidant: 0.2-0.5 parts.

[0022] Preferably, the PVC waterproof membrane comprises two polyvinyl chloride (PVC) layers, a root penetration resistant layer is provided between the two polyvinyl chloride (PVC) layers, a glass fiber reinforcement layer is pressed on the upper surface of the upper polyvinyl chloride (PVC) layer, and a wear-resistant layer is pressed on the lower surface of the lower polyvinyl chloride (PVC) layer.

[0023] The method for preparing an environmentally friendly plant puncture-resistant PVC waterproof coiled material preferably comprises the following steps:

[0024] S1: Accurately weigh each raw material component:

[0025] S2: Phenolic resin, chlorine-vinyl-maltose resin, polyvinyl chloride resin, stabilizer, antifungal agent and antioxidant are mixed and added into a reactor, coupling agent is added and refluxed for 2 hours, and the reactor temperature is 250°C;

[0026] S3: Add calcium stearate, dimethyl tetrachlorophenoxypropionic acid and alkyl phenyl sulfonate, continue stirring at a speed of 500 rad / min, add phytosterols, trehalose and diphenol propane after uniformity, stir well, let stand for 4 hours, and then take out and cool naturally;

[0027] S4: microwave-ultrasonic treatment;

[0028] S5: Add calcium bentonite, mix and stir for 10 minutes;

[0029] S6: put into single screw extruder for granulation;

[0030] S7: The glass fiber reinforcement layer is calendered and compounded through a calendering device, and the temperature is controlled below 45°C. The waterproof membrane is pulled to a curling machine for curling to obtain a finished waterproof membrane.

[0031] Preferably, in S6, the tensile strength of the finished waterproof coiled material is 24-30 MPa, and the elongation at break is 350-420%.

[0032] Preferably, in S5, the processing temperature of the single screw extruder is 230°C.

[0033] Preferably, in S4, the microwave-ultrasonic treatment is performed with a microwave frequency of 2200 MHz, a microwave time of 22 min, an ultrasonic frequency of 100 KHz, an ultrasonic time of 45 min, and a temperature of 250°C.

[0034] Preferably, the calendering device comprises a calendering box, the top of which is rotatably connected to two first calendering rollers via a roller shaft, and the two first calendering rollers are arranged in parallel; the middle of the calendering box is rotatably connected to three second calendering rollers via a roller shaft, and the three second calendering rollers are arranged vertically; the bottom end of the calendering box is rotatably connected to a guide roller via a roller shaft; the bottom end of the calendering box is symmetrically rotatably connected to two tensioning rollers via a roller shaft, and the guide roller is arranged between the tensioning roller and the second calendering roller; a through hole is opened on one side of the calendering box, and two conveying rollers are rotatably connected in the through hole via a roller shaft; a gear box is fixedly connected to the side wall of the calendering box, and a gear set is arranged in the gear box;

[0035] The bottom end of the calender box is connected and fixedly connected with a cooling water pipe; the outer side of the cooling water pipe is evenly inserted with fins arranged linearly; the outer side of the calender box is fixedly connected with a cooling water tank, one end of the cooling water pipe is connected and fixedly connected to the cooling water tank, and the other end of the cooling water pipe extends to the outside of the calender box and is installed on a circulating water pump, and the circulating water pump is connected and fixedly connected to the water tank through a hose;

[0036] The bottom of the calendering box is rotatably connected to two fans via a rotating shaft; the bottom of the rotating shaft is fixedly connected to a rotating wheel, and a belt is sleeved between the two rotating wheels; the bottom of the calendering box is fixedly connected to an L-shaped plate, the bottom of the L-shaped plate is fixedly connected to a motor, and the output shaft of the motor is fixedly connected to the bottom of the rotating shaft.

[0037] Preferably, the two side walls of the calendering box are respectively fixed with a first electric push rod and a second electric push rod; the output end of the first electric push rod is fixed with a first mounting frame, and the first mounting frame is rotatably connected with three first cleaning brushes via a roller shaft; the output end of the second electric push rod is fixed with a second mounting frame, and the second mounting frame is rotatably connected with a second cleaning brush via a roller shaft; the first cleaning brush and the second cleaning brush are respectively in contact with the first calendering roller and the second calendering roller; the bottom end of the calendering box is fixed with an inclined plate, and the inclined plate is arranged between the tensioning roller and the guide roller; the bottom of the calendering box is fixed with four pillars.

[0038] The beneficial effects of the present invention are as follows:

[0039] 1. The environmentally friendly plant puncture-resistant PVC waterproofing coiled material and the preparation method thereof of the present invention have a tensile strength of 24-30 MPa and an elongation at break of 350-420% by setting the environmentally friendly plant puncture-resistant PVC waterproofing coiled material; the dimensional change rate after heat treatment is as low as 0.14%; the anti-seepage performance is good and water does not leak; the wind resistance is strong; the water absorption is good; the chemical corrosion resistance is strong and can be adapted to specific occasions; the roots of plants can be suppressed and driven away so that they will not continue to grow downward, thereby reducing the penetration damage of the plant roots to the waterproofing coiled material, ensuring the integrity of the waterproofing coiled material, and greatly extending the service life of the waterproofing coiled material.

[0040] 2. The environmentally friendly plant puncture-resistant PVC waterproof coil and the preparation method thereof described in the present invention, through the cooperation of the cooling water pipe, fins and fans, start the circulating water pump, the circulating water pump inputs the cooling water in the cooling water tank into the cooling water pipe, then start the motor, the motor drives the shaft to rotate, the shaft drives the connected wheel and fan to rotate, the wheel drives the belt to rotate, the belt drives another wheel to rotate, the wheel drives the connected shaft and fan to rotate, the two fans rotate at the same time, and the cold air emitted from the cooling water pipe is blown to the PVC coil, wherein the cold water in the cooling water pipe passes through the fins, the contact area is expanded, and the amount of cold air emitted is increased; the water in the cooling water pipe finally flows into the cooling water tank, and after cooling, it is used for transportation by the circulating water pump, thereby realizing the recycling function of cooling water.

[0041] 3. The environmentally friendly plant puncture-resistant PVC waterproof coiled material and the preparation method thereof described in the present invention, through the cooperation of the first cleaning roller and the second cleaning roller, when cleaning is needed, the first electric push rod and the second electric push rod are turned on, and the first mounting frame and the first cleaning roller are driven to move by the first electric push rod, and the first cleaning roller is stopped when the first cleaning roller contacts the first calendering roller and the second calendering roller respectively, and the second mounting frame and the second cleaning roller are driven to move by the second electric push rod, and the second cleaning roller is stopped when the second cleaning roller contacts the first calendering roller. At this time, the gear set in the gear box is driven, and the first calendering roller and the second calendering roller are rotated, and rubbed with the first cleaning roller and the second cleaning roller respectively, so as to clean the raw materials adhered to the first calendering roller and the second calendering roller, thereby realizing the function of cleaning the first calendering roller and the second calendering roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The present invention will be further described below in conjunction with the accompanying drawings.

[0043] Figure 1 is a flow chart of the method of the present invention;

[0044] Figure 2 is a first stereogram of the present invention;

[0045] Figure 3 is a second stereogram of the present invention;

[0046] Figure 4 is a cross-sectional view of the present invention;

[0047] Figure 5 It is a schematic diagram of the structure of the rotating wheel and the belt in the present invention;

[0048] Figure 6 It is a schematic diagram of the structure of the first calendering roller and the second calendering roller in the present invention;

[0049] Figure 7 It is a structural schematic diagram of the inclined plate in the present invention;

[0050] In the figure: 1. calender box; 11. gear box; 12. support; 2. first calender roller; 21. second calender roller; 22. first electric push rod; 23. first mounting frame; 24. first cleaning brush; 25. second electric push rod; 26. second mounting frame; 27. second cleaning brush; 28. inclined plate; 3. cooling water tank; 31. circulating water pump; 32. cooling water pipe; 33. fin; 34. fan; 35. wheel; 36. L-shaped plate; 37. motor; 38. belt; 4. guide roller; 41. tensioning roller; 42. conveying roller. DETAILED DESCRIPTION

[0051] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0052] Embodiment 1:

[0053] like Figure 1 As shown, the environmentally friendly plant puncture-resistant PVC waterproof coiled material described in the embodiment of the present invention includes the following raw material components in parts by weight:

[0054] Phenolic resin: 30~ parts;

[0055] Chloro-acetic-malt resin: 15 parts;

[0056] Polyvinyl chloride resin: 20 parts;

[0057] Stabilizer: 1 part;

[0058] Trehalose: 3~ parts;

[0059] Dimethyl tetrachlorophenoxypropionic acid: 2 parts;

[0060] Coupling agent: 5 parts;

[0061] Calcium bentonite: 1 part;

[0062] Phytosterols: 0.1 parts;

[0063] Diphenol propane: 4 parts;

[0064] Alkyl sulfonate phenyl ester: 1 part;

[0065] Calcium stearate: 3 parts;

[0066] Antifungal agent: 0.35 parts;

[0067] Antioxidant: 0.2 parts.

[0068] The PVC waterproofing coiled material comprises two polyvinyl chloride (PVC) layers, a root penetration resistant layer is arranged between the two polyvinyl chloride (PVC) layers, a glass fiber reinforcement layer is pressed on the upper surface of the upper polyvinyl chloride (PVC) layer, and a wear-resistant layer is pressed on the lower surface of the lower polyvinyl chloride (PVC) layer.

[0069] The method for preparing an environmentally friendly plant puncture-resistant PVC waterproof coiled material comprises the following steps:

[0070] S1: Accurately weigh each raw material component:

[0071] S2: Phenolic resin, chlorine-vinyl-maltose resin, polyvinyl chloride resin, stabilizer, antifungal agent and antioxidant are mixed and added into a reactor, coupling agent is added and refluxed for 2 hours, and the reactor temperature is 250°C;

[0072] S3: Add calcium stearate, dimethyl tetrachlorophenoxypropionic acid and alkyl phenyl sulfonate, continue stirring at a speed of 500 rad / min, add phytosterols, trehalose and diphenol propane after uniformity, stir well, let stand for 4 hours, and then take out and cool naturally;

[0073] S4: microwave-ultrasonic treatment;

[0074] S5: Add calcium bentonite, mix and stir for 10 minutes;

[0075] S6: put into single screw extruder for granulation;

[0076] S7: The glass fiber reinforcement layer is calendered and compounded through a calendering device, and the temperature is controlled below 45°C. The waterproof membrane is pulled to a curling machine for curling to obtain a finished waterproof membrane.

[0077] In S6, the tensile strength of the finished waterproof coiled material is 24 MPa, and the elongation at break is 350%.

[0078] Embodiment 2:

[0079] like Figure 1 As shown, the environmentally friendly plant puncture-resistant PVC waterproof coiled material described in the embodiment of the present invention includes the following raw material components in parts by weight:

[0080] Phenolic resin: 40 parts;

[0081] Chloro-acetic-malic acid resin: 23 parts;

[0082] Polyvinyl chloride resin: 33 parts;

[0083] Stabilizer: 5 parts;

[0084] Trehalose: 7 parts;

[0085] Dimethyl tetrachlorophenoxypropionic acid: 6 parts;

[0086] Coupling agent: 7 parts;

[0087] Calcium bentonite: 2 parts;

[0088] Phytosterols: 0.5 parts;

[0089] Diphenol propane: 7 parts;

[0090] Alkyl sulfonate phenyl ester: 3 parts;

[0091] Calcium stearate: 7 parts;

[0092] Antifungal agent: 1.2 parts;

[0093] Antioxidant: 0.35 parts.

[0094] The PVC waterproofing coiled material comprises two polyvinyl chloride (PVC) layers, a root penetration resistant layer is arranged between the two polyvinyl chloride (PVC) layers, a glass fiber reinforcement layer is pressed on the upper surface of the upper polyvinyl chloride (PVC) layer, and a wear-resistant layer is pressed on the lower surface of the lower polyvinyl chloride (PVC) layer.

[0095] The method for preparing an environmentally friendly plant puncture-resistant PVC waterproof coiled material comprises the following steps:

[0096] S1: Accurately weigh each raw material component:

[0097] S2: Phenolic resin, chlorine-vinyl-maltose resin, polyvinyl chloride resin, stabilizer, antifungal agent and antioxidant are mixed and added into a reactor, coupling agent is added and refluxed for 2 hours, and the reactor temperature is 250°C;

[0098] S3: Add calcium stearate, dimethyl tetrachlorophenoxypropionic acid and alkyl phenyl sulfonate, continue stirring at a speed of 500 rad / min, add phytosterols, trehalose and diphenol propane after uniformity, stir well, let stand for 4 hours, and then take out and cool naturally;

[0099] S4: microwave-ultrasonic treatment;

[0100] S5: Add calcium bentonite, mix and stir for 10 minutes;

[0101] S6: put into single screw extruder for granulation;

[0102] S7: The glass fiber reinforcement layer is calendered and compounded through a calendering device, and the temperature is controlled below 45°C. The waterproof membrane is pulled to a curling machine for curling to obtain a finished waterproof membrane.

[0103] In S6, the tensile strength of the finished waterproof membrane is 27 MPa, and the elongation at break is 385%.

[0104] Embodiment three:

[0105] like Figure 1 As shown, the environmentally friendly plant puncture-resistant PVC waterproof coiled material described in the embodiment of the present invention includes the following raw material components in parts by weight:

[0106] Phenolic resin: 50 parts;

[0107] Chloro-acetic-malic acid resin: 30 parts;

[0108] Polyvinyl chloride resin: 45 parts;

[0109] Stabilizer: 8 parts;

[0110] Trehalose: 10 parts;

[0111] Dimethyl tetrachlorophenoxypropionic acid: 10 parts;

[0112] Coupling agent: 8 parts;

[0113] Calcium bentonite: 3 parts;

[0114] Phytosterols: 0.8 parts;

[0115] Diphenol propane: 10 parts;

[0116] Alkyl sulfonate phenyl ester: 5 parts;

[0117] Calcium stearate: 10 parts;

[0118] Antifungal agent: 2 parts;

[0119] Antioxidant: 0.5 parts.

[0120] The PVC waterproofing coiled material comprises two polyvinyl chloride (PVC) layers, a root penetration resistant layer is arranged between the two polyvinyl chloride (PVC) layers, a glass fiber reinforcement layer is pressed on the upper surface of the upper polyvinyl chloride (PVC) layer, and a wear-resistant layer is pressed on the lower surface of the lower polyvinyl chloride (PVC) layer.

[0121] The method for preparing an environmentally friendly plant puncture-resistant PVC waterproof coiled material comprises the following steps:

[0122] S1: Accurately weigh each raw material component:

[0123] S2: Phenolic resin, chlorine-vinyl-maltose resin, polyvinyl chloride resin, stabilizer, antifungal agent and antioxidant are mixed and added into a reactor, coupling agent is added and refluxed for 2 hours, and the reactor temperature is 250°C;

[0124] S3: Add calcium stearate, dimethyl tetrachlorophenoxypropionic acid and alkyl phenyl sulfonate, continue stirring at a speed of 500 rad / min, add phytosterols, trehalose and diphenol propane after uniformity, stir well, let stand for 4 hours, and then take out and cool naturally;

[0125] S4: microwave-ultrasonic treatment;

[0126] S5: Add calcium bentonite, mix and stir for 10 minutes;

[0127] S6: put into single screw extruder for granulation;

[0128] S7: The glass fiber reinforcement layer is calendered and compounded through a calendering device, and the temperature is controlled below 45°C. The waterproof membrane is pulled to a curling machine for curling to obtain a finished waterproof membrane.

[0129] In S6, the tensile strength of the finished waterproof membrane is 30 MPa and the elongation at break is 420%.

[0130] like Figure 1 As shown, in S5, the processing temperature of the single screw extruder is 230°C.

[0131] like Figure 1 As shown, in S4, microwave-ultrasonic treatment is performed with a microwave frequency of 2200 MHz, a microwave time of 22 min, an ultrasonic frequency of 100 KHz, an ultrasonic time of 45 min, and a temperature of 250°C.

[0132] The environmentally friendly plant puncture-resistant PVC waterproofing coiled material provided by the present invention has a tensile strength of 24-30 MPa and a breaking elongation of 350-420% when in use; the dimensional change rate after heat treatment is as low as 0.14%; good anti-seepage performance and no water leakage; strong wind resistance; good water absorption; strong chemical corrosion resistance and adaptability to specific occasions; and can inhibit and drive away the roots of plants so that they will not continue to grow downward, thereby reducing the penetrating damage of the plant roots to the waterproofing coiled material, ensuring the integrity of the waterproofing coiled material, and greatly extending the service life of the waterproofing coiled material.

[0133] like Figures 2 to 7 As shown, the calendering device includes a calendering box 1, the top of the calendering box 1 is rotatably connected to two first calendering rollers 2 through a roller shaft, and the two first calendering rollers 2 are arranged in parallel; the middle of the calendering box 1 is rotatably connected to three second calendering rollers 21 through a roller shaft, and the three second calendering rollers 21 are arranged vertically; the bottom end of the calendering box 1 is rotatably connected to a guide roller 4 through a roller shaft; the bottom end of the calendering box 1 is symmetrically rotatably connected to two tensioning rollers 41 through a roller shaft, and the guide roller 4 is arranged between the tensioning roller 41 and the second calendering roller 21; a through hole is opened on one side of the calendering box 1, and two conveying rollers 42 are rotatably connected in the through hole through a roller shaft; a gear box 11 is fixedly connected to the side wall of the calendering box 1, and a gear set is arranged in the gear box 11;

[0134] The bottom end of the calender box 1 is connected and fixedly connected with a cooling water pipe 32; the outer side of the cooling water pipe 32 is evenly inserted with fins 33 arranged linearly; the outer side of the calender box 1 is fixedly connected with a cooling water tank 3, one end of the cooling water pipe 32 is connected and fixedly connected to the cooling water tank 3, and the other end of the cooling water pipe 32 extends to the outside of the calender box 1 and is installed on a circulating water pump 31, and the circulating water pump 31 is connected and fixedly connected to the water tank through a hose;

[0135] The bottom of the calendering box 1 is rotatably connected to two fans 34 via a rotating shaft; the bottom of the rotating shaft is fixedly connected to a rotating wheel 35, and a belt 38 is sleeved between the two rotating wheels 35; the bottom of the calendering box 1 is fixedly connected to an L-shaped plate 36, and the bottom of the L-shaped plate 36 is fixedly connected to a motor 37, and the output shaft of the motor 37 is fixedly connected to the bottom of the rotating shaft.

[0136] The raw material is calendered by the first calendering roller 2, and then looped through the second calendering roller 21 to improve the effect of calendering the raw material into a PVC coil. Then the PVC coil is wound around the guide roller 4 from the bottom of the second calendering roller 21 at the bottom, and passes through the guide roller 4 successively from the bottom of the two tensioning rollers 41. It needs to be cooled and shaped between the two tensioning rollers 41, and finally output from between the conveying rollers 42. Under the action of the conveying rollers 42, the PVC coil is prevented from contacting and wearing the calendering box 1. During calendering, it is necessary to drive the gear set in the gear box 11 so that the first calendering roller 2 and the second calendering roller 21 rotate synchronously. The cooling water pipe 32, the fin 33 and the fan 34 provided by the present invention are used to cool and shape the PVC coil when in use, and the circulating water pump 3 is turned on. 1. The circulating water pump 31 inputs the cooling water in the cooling water tank 3 into the cooling water pipe 32. At this time, the motor 37 is turned on, and the motor 37 drives the shaft to rotate, and the shaft drives the connected wheel 35 and the fan 34 to rotate, and the belt 38 is driven to rotate by the wheel 35, and the belt 38 drives another wheel 35 to rotate, and the connected shaft and the fan 34 are driven to rotate by the wheel 35. The two fans 34 rotate at the same time, and the cold air emitted by the cooling water pipe 32 is blown to the PVC coil, wherein the water in the cooling water pipe 32 passes through the fins 33, expands the contact area, and increases the emission of cold air; the water in the cooling water pipe 32 finally flows into the cooling water tank 3, and is used for the transportation of the circulating water pump 31 after cooling, so as to realize the recycling function of cooling water.

[0137] like Figures 2 to 4 and Figure 6 As shown, the two side walls of the calendering box 1 are respectively fixed with the first electric push rod 22 and the second electric push rod 25; the output end of the first electric push rod 22 is fixed with the first mounting frame 23, and the first mounting frame 23 is rotatably connected with three first cleaning brushes 24 through a roller shaft; the output end of the second electric push rod 25 is fixed with the second mounting frame 26, and the second mounting frame 26 is rotatably connected with a second cleaning brush 27 through a roller shaft; the first cleaning brush 24 and the second cleaning brush 27 are in contact with the first calendering roller 2 and the second calendering roller 21 respectively; the bottom end of the calendering box 1 is fixed with an inclined plate 28, and the inclined plate 28 is arranged between the tensioning roller 41 and the guide roller 4; the bottom of the calendering box 1 is fixed with four pillars 12.

[0138] If the raw materials adhered to the first calendering roller 2 and the second calendering roller 21 are not cleaned in time, the PVC coil calendered at the position where the raw materials adhered will be thinner during the calendering process, resulting in different thicknesses of the PVC coils. The first cleaning roller and the second cleaning roller provided by the present invention are used to clean the raw materials adhered to the first calendering roller 2 and the second calendering roller 21 when in use. When cleaning is required, the first electric push rod 22 and the second electric push rod 25 are turned on, and the first mounting frame 23 and the first cleaning roller are driven to move by the first electric push rod 22, and the first cleaning roller is stopped after the first cleaning roller contacts the first calendering roller 2 and the second calendering roller 21 respectively. The second mounting frame 26 and the second cleaning roller are driven to move by the second electric push rod 25, and the second cleaning roller is stopped after the second cleaning roller contacts the first calendering roller 2. At this time, the gear set in the gear box 11 is driven, and the first calendering roller 2 and the second calendering roller 21 are rotated, and rubbed with the first cleaning roller and the second cleaning roller respectively, thereby cleaning the raw materials adhered to the first calendering roller 2 and the second calendering roller 21, thereby realizing the function of cleaning the first calendering roller 2 and the second calendering roller 21.

[0139] Working principle: The environmentally friendly plant puncture-resistant PVC waterproofing membrane provided by the present invention has a tensile strength of 24-30MPa and a breaking elongation of 350-420% when in use; the dimensional change rate after heat treatment is as low as 0.14%; good anti-seepage performance, no water leakage; strong wind resistance; good water absorption; strong chemical corrosion resistance, and can adapt to specific occasions; can inhibit and drive away the roots of plants so that they will not continue to grow downward, thereby reducing the penetration damage of plant roots to the waterproofing membrane, ensuring the integrity of the waterproofing membrane, and greatly extending the service life of the waterproofing membrane;

[0140] The raw material is calendered by the first calendering roller 2, and then looped through the second calendering roller 21 to improve the effect of calendering the raw material into a PVC coil. Then the PVC coil is wound around the guide roller 4 from the bottom of the second calendering roller 21 at the bottom, and passes through the guide roller 4 successively from the bottom of the two tensioning rollers 41. It needs to be cooled and shaped between the two tensioning rollers 41, and finally output from between the conveying rollers 42. Under the action of the conveying rollers 42, the PVC coil is prevented from contacting and wearing the calendering box 1. During calendering, it is necessary to drive the gear set in the gear box 11 so that the first calendering roller 2 and the second calendering roller 21 rotate synchronously. The cooling water pipe 32, the fin 33 and the fan 34 provided by the present invention are used to cool and shape the PVC coil when in use, and the circulating water pump 3 is turned on. 1. The circulating water pump 31 inputs the cooling water in the cooling water tank 3 into the cooling water pipe 32. At this time, the motor 37 is turned on, and the motor 37 drives the shaft to rotate, and the shaft drives the connected runner 35 and the fan 34 to rotate, and the runner 35 drives the belt 38 to rotate, and the belt 38 drives another runner 35 to rotate, and the runner 35 drives the connected shaft and the fan 34 to rotate. The two fans 34 rotate at the same time, and the cold air emitted from the cooling water pipe 32 is blown to the PVC coil, wherein the water in the cooling water pipe 32 passes through the fins 33, expands the contact area, and increases the amount of cold air emitted; the water in the cooling water pipe 32 finally flows into the cooling water tank 3, and is used for the transportation of the circulating water pump 31 after cooling, so as to realize the recycling function of the cooling water;

[0141] If the raw materials adhered to the first calendering roller 2 and the second calendering roller 21 are not cleaned in time, the PVC coil calendered at the position where the raw materials adhered will be thinner during the calendering process, resulting in different thicknesses of the PVC coils. The first cleaning roller and the second cleaning roller provided by the present invention are used to clean the raw materials adhered to the first calendering roller 2 and the second calendering roller 21 when in use. When cleaning is required, the first electric push rod 22 and the second electric push rod 25 are turned on, and the first mounting frame 23 and the first cleaning roller are driven to move by the first electric push rod 22, and the first cleaning roller is stopped after the first cleaning roller contacts the first calendering roller 2 and the second calendering roller 21 respectively. The second mounting frame 26 and the second cleaning roller are driven to move by the second electric push rod 25, and the second cleaning roller is stopped after the second cleaning roller contacts the first calendering roller 2. At this time, the gear set in the gear box 11 is driven, and the first calendering roller 2 and the second calendering roller 21 are rotated, and rubbed with the first cleaning roller and the second cleaning roller respectively, thereby cleaning the raw materials adhered to the first calendering roller 2 and the second calendering roller 21, thereby realizing the function of cleaning the first calendering roller 2 and the second calendering roller 21.

[0142] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. Environmentally friendly plant puncture resistant PVC waterproof membrane, in parts by weight, includes the following raw material components: Phenolic resin: 30-50 parts; Chloro-acetic-maltose resin: 15-30 parts; Polyvinyl chloride resin: 20-45 parts; Stabilizer: 1 to 8 parts; Trehalose: 3-10 parts; Dimethyl tetrachlorophenoxypropionic acid: 2-10 parts; Coupling agent: 5-8 parts; Calcium bentonite: 1-3 parts; Phytosterols: 0.1-0.8 parts; Diphenol propane: 4-10 parts; Alkyl sulfonate phenyl ester: 1-5 parts; Calcium stearate: 3-10 parts; Antifungal agent: 0.35-2 parts; Antioxidant: 0.2-0.5 parts.

2. The environmentally friendly plant puncture-resistant PVC waterproof coiled material according to claim 1, characterized in that: The PVC waterproofing coiled material comprises two polyvinyl chloride (PVC) layers, a root penetration resistant layer is arranged between the two polyvinyl chloride (PVC) layers, a glass fiber reinforcement layer is pressed on the upper surface of the upper polyvinyl chloride (PVC) layer, and a wear-resistant layer is pressed on the lower surface of the lower polyvinyl chloride (PVC) layer.

3. A method for preparing an environmentally friendly plant puncture-resistant PVC waterproofing coiled material, applicable to the environmentally friendly plant puncture-resistant PVC waterproofing coiled material according to any one of claims 1 to 2, characterized in that: The following steps are involved: S1: Accurately weigh each raw material component: S2: Phenolic resin, chlorine-vinyl-maltose resin, polyvinyl chloride resin, stabilizer, antifungal agent and antioxidant are mixed and added into a reactor, coupling agent is added and refluxed for 2 hours, and the reactor temperature is 250°C; S3: Add calcium stearate, dimethyl tetrachlorophenoxypropionic acid and alkyl phenyl sulfonate, continue stirring at a speed of 500 rad / min, add phytosterols, trehalose and diphenol propane after uniformity, stir well, let stand for 4 hours, and then take out and cool naturally; S4: microwave-ultrasonic treatment; S5: Add calcium bentonite, mix and stir for 10 minutes; S6: put into single screw extruder for granulation; S7: The glass fiber reinforcement layer is calendered and compounded through a calendering device, and the shape is fixed. The temperature is controlled below 45°C, and the waterproof membrane is pulled to a curling machine for curling to obtain a finished waterproof membrane.

4. The method for preparing the environmentally friendly plant puncture-resistant PVC waterproof coiled material according to claim 3, characterized in that: In the above S6, the tensile strength of the finished waterproof coiled material is 24-30 MPa, and the elongation at break is 350-420%.

5. The method for preparing the environmentally friendly plant puncture-resistant PVC waterproof coiled material according to claim 4, characterized in that: In S5, the processing temperature of the single screw extruder is 230°C.

6. The method for preparing the environmentally friendly plant puncture-resistant PVC waterproof coiled material according to claim 5, characterized in that: In the S4, microwave-ultrasonic treatment is performed with a microwave frequency of 2200 MHz, a microwave time of 22 min, an ultrasonic frequency of 100 KHz, an ultrasonic time of 45 min, and a temperature of 250°C.

7. The method for preparing the environmentally friendly plant puncture-resistant PVC waterproof coiled material according to claim 6, characterized in that: The calendering device comprises a calendering box (1), the top of the calendering box (1) is rotatably connected to two first calendering rollers (2) via a roller shaft, and the two first calendering rollers (2) are arranged in parallel; the middle of the calendering box (1) is rotatably connected to three second calendering rollers (21) via a roller shaft, and the three second calendering rollers (21) are arranged vertically; the bottom end of the calendering box (1) is rotatably connected to a guide roller (4) via a roller shaft; the bottom end of the calendering box (1) is symmetrically rotatably connected to two tensioning rollers (41) via a roller shaft, and the guide roller (4) is arranged between the tensioning roller (41) and the second calendering roller (21); a through hole is opened on one side of the calendering box (1), and two conveying rollers (42) are rotatably connected in the through hole via a roller shaft; a gear box (11) is fixedly connected to the side wall of the calendering box (1), and a gear set is arranged in the gear box (11); The bottom end of the calender box (1) is connected and fixedly connected with a cooling water pipe (32); the outer side of the cooling water pipe (32) is evenly and linearly inserted with fins (33); the outer side of the calender box (1) is fixedly connected with a cooling water tank (3), one end of the cooling water pipe (32) is connected and fixedly connected to the cooling water tank (3), and the other end of the cooling water pipe (32) extends to the outside of the calender box (1) and is installed on a circulating water pump (31), and the circulating water pump (31) is connected and fixedly connected to the water tank through a hose; The bottom of the calender box (1) is rotatably connected to two fans (34) via a rotating shaft; the bottom of the rotating shaft is fixedly connected to a rotating wheel (35), and a belt (38) is sleeved between the two rotating wheels (35); the bottom of the calender box (1) is fixedly connected to an L-shaped plate (36), the bottom of the L-shaped plate (36) is fixedly connected to a motor (37), and the output shaft of the motor (37) is fixedly connected to the bottom of the rotating shaft.

8. The method for preparing the environmentally friendly plant puncture-resistant PVC waterproof coiled material according to claim 7, characterized in that: The two side walls of the calendering box (1) are respectively fixedly connected with a first electric push rod (22) and a second electric push rod (25); the output end of the first electric push rod (22) is fixedly connected with a first mounting frame (23), and the first mounting frame (23) is rotatably connected with three first cleaning brushes (24) via a roller shaft; the output end of the second electric push rod (25) is fixedly connected with a second mounting frame (26), and the second mounting frame (26) is rotatably connected with a second cleaning brush (27) via a roller shaft; the first cleaning brush (24) and the second cleaning brush (27) are respectively in contact with the first calendering roller (2) and the second calendering roller (21); the bottom end of the calendering box (1) is fixedly connected with an inclined plate (28), and the inclined plate (28) is arranged between the tensioning roller (41) and the guide roller (4); the bottom of the calendering box (1) is fixedly connected with four pillars (12).

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