Graphene modified exposed composite self-adhesive modified asphalt waterproof coiled material and preparation method thereof

Abstract

The invention discloses a graphene modified exposed composite self-adhesion modified asphalt waterproof coiled material, which comprises a graphene modified heat insulation coating and a self-adhesion modified asphalt waterproof coiled material, the self-adhesive modified asphalt waterproof coiled material comprises a first high-temperature-resistant modified asphalt layer, a first matrix layer, a first self-adhesive modified asphalt layer, a second matrix layer, a second self-adhesive modified asphalt layer, a second high-temperature-resistant modified asphalt layer and an isolating membrane layer, the graphene modified heat insulation coating is arranged on the first high-temperature-resistant modified asphalt layer. The excellent aging resistance and corrosion resistance of graphene in the graphene modified heat-insulation waterproof coating and the heat-insulation performance of titanium dioxide and white carbon black are utilized, and the adhesion and high-temperature resistance of the waterproof roll are combined, so that the problems of water seepage and water leakage caused by damage of a surface isolating layer and aging of the roll due to long-time exposure of an existing waterproof roll are solved.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof coiled materials, and in particular to a graphene-modified exposed composite self-adhesive modified asphalt waterproof coiled material and a preparation method thereof. Background Art

[0002] Waterproofing membrane is the most widely used type of waterproofing material in today's society, and is widely used in waterproofing projects such as basements, bathrooms, balconies, roofs, car roofs and tunnels. Among them, waterproofing membranes with mineral granules, aluminum foil, aluminum film and other materials on the upper surface can be used in exposed waterproofing projects, but in actual applications, the above exposed materials are exposed to the sun for a long time due to direct sunlight, which leads to weathering and breaking of mineral granules, aging and breaking of aluminum foil / aluminum film, causing the waterproof asphalt layer to come into direct contact with the air, and the waterproof asphalt layer ages rapidly, resulting in the damage and failure of the waterproof layer, and the final appearance is seepage and leakage. The renovation and re-construction of the waterproof layer not only increases the maintenance cost of the building, but also because the airtightness of the renovation and re-construction is difficult to ensure, resulting in the risk of seepage and leakage on the building roof. Summary of the invention

[0003] The purpose of the present invention is to provide a graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane and a preparation method, utilizing the excellent aging resistance and corrosion resistance of graphene in the graphene-modified thermal insulation waterproof coating and the thermal insulation properties of titanium dioxide and white carbon black, combined with the adhesion and high temperature resistance of the waterproof membrane, to solve the problem that the existing waterproof membrane is exposed to the sun for a long time, resulting in damage to the surface isolation layer, aging of the membrane and thus water seepage and leakage.

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

[0005] A graphene-modified exposed composite self-adhesive modified asphalt waterproofing coiled material, the waterproofing coiled material comprising: a graphene-modified thermal insulation coating and a self-adhesive modified asphalt waterproofing coiled material;

[0006] The self-adhesive modified asphalt waterproofing membrane comprises a first high temperature resistant modified asphalt layer, a first carcass layer, a first self-adhesive modified asphalt layer, a second carcass layer, a second self-adhesive modified asphalt layer, a second high temperature resistant modified asphalt layer, and an isolation film layer;

[0007] The graphene-modified thermal insulation coating is arranged on the first high-temperature-resistant modified asphalt layer.

[0008] Further: the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer are composed of 35-45 parts of 70# road petroleum asphalt, 5-10 parts of 10# road petroleum asphalt, 3-5 parts of softening oil, 2-5 parts of styrene, 1-3 parts of polyolefin, 12-18 parts of recycled rubber powder, and 20-35 parts of heavy calcium carbonate in parts by mass;

[0009] Among them, softened oil, calculated by mass: 1-3 parts of second-line oil, 2-3 parts of naphthenic oil;

[0010] The recycled rubber powder is 80 mesh and the heavy calcium is 150 mesh.

[0011] Further: the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are composed of 30-45 parts of 70# road petroleum asphalt, 5-10 parts of 200# synthetic asphalt, 4-8 parts of softening oil, 1-3 parts of styrene, 2-5 parts of styrene rubber powder, 10-15 parts of recycled rubber powder, and 18-35 parts of heavy calcium;

[0012] Among them; softened oil, calculated by mass: 2-5 parts of second-line oil, 3-5 parts of aromatic oil;

[0013] The recycled rubber powder is 80 mesh and the heavy calcium is 150 mesh.

[0014] Furthermore: the graphene modified thermal insulation coating comprises, by mass, 40-60 parts of high molecular polymer emulsion, 1-2 parts of functional additives, 30-45 parts of ultrafine fillers, 5-15 parts of water, and 0.1-0.3 parts of thickener.

[0015] Further:

[0016] The high molecular polymer emulsion is one or more of acrylic emulsion, acetic acid acrylic emulsion, and silicone acrylic emulsion;

[0017] The functional additives may be one or more of defoamers, dispersants, bactericides, antioxidants, silane coupling agents, and phthalate coupling agents;

[0018] Ultrafine fillers, including: titanium dioxide, heavy calcium, barium sulfate, white carbon black;

[0019] Among them, titanium dioxide is 325 mesh, heavy calcium carbonate is 1250 mesh, barium sulfate is 1250 mesh precipitated barium sulfate, and white carbon black is 3000 mesh.

[0020] Furthermore: the first carcass layer is glass fiber reinforced non-woven fabric, the second carcass layer is long-fiber polyester non-woven fabric, and the isolation film layer is PE silicone oil isolation film.

[0021] Further: The preparation method of the graphene-modified thermal insulation coating:

[0022] Add high molecular polymer emulsion and water and stir, then add functional additives, ultrafine fillers and thickeners in sequence and stir to obtain graphene modified thermal insulation coating material.

[0023] Further: the preparation method of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer:

[0024] Put 10# road petroleum asphalt in the asphalt pool and heat it to melt until it is fluid, then pump 70# road petroleum asphalt and 10# road petroleum asphalt into the mixing kettle in turn, heat it and stir;

[0025] Add softened oil and stir under controlled temperature;

[0026] Add styrene and styrene rubber powder in sequence, and control the temperature while stirring;

[0027] Add 80 mesh recycled rubber powder and stir under controlled temperature;

[0028] Add 150 mesh heavy calcium and control the temperature and stir;

[0029] The materials of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer are obtained.

[0030] Further: The first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are prepared by:

[0031] Pump 70# road petroleum asphalt and 200# synthetic asphalt into the mixing kettle in turn, heat up and stir;

[0032] Add styrene and styrene rubber powder in sequence, and control the temperature while stirring;

[0033] Add 80 mesh recycled rubber powder and stir under controlled temperature;

[0034] Add 150 mesh heavy calcium and control the temperature and stir;

[0035] The materials of the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are obtained.

[0036] Further: The preparation method of the waterproof coiled material comprises the following steps:

[0037] Step 1) After unwinding, drying, and pre-impregnation and squeezing, the long-fiber polyester non-woven fabric is uniformly dipped with a first self-adhesive modified asphalt layer and a second self-adhesive modified asphalt layer, and the thickness is controlled by a first thickness control roller after dipping;

[0038] Step 2) The glass fiber reinforced non-woven fabric is unwound and pressed into the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer together with the long fiber polyester non-woven fabric dipped in the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer in step 1). After dipping, the thickness is controlled by the second thickness control roller.

[0039] Step 3) The coiled material coming out of the second thickness control roller is subjected to the graphene modified heat insulation coating spraying on the first high temperature resistant modified asphalt layer on the upper surface of the coiled material, and the second high temperature resistant modified asphalt layer on the lower surface of the coiled material is subjected to the isolation film lamination process at the same time, and the bottom of the isolation film is cooled by circulating water;

[0040] Step 4) entering the cooling water pool, then being transported by cooling rollers, stored on storage racks, and rolled into a roll, thereby obtaining the graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane.

[0041] Compared with the prior art, the present invention has at least one of the following beneficial effects:

[0042] Combining the aging and corrosion resistance of graphene, the reflective insulation properties of titanium dioxide and white carbon black, the aging and high temperature resistance of the middle modified asphalt layer, and the excellent bonding properties of the lower modified asphalt layer, the durability of the waterproof membrane in exposed waterproofing projects can be increased, and it still has excellent aging resistance after long-term exposure; even after the graphene modified thermal insulation coating is damaged by human beings, the excellent aging and high temperature resistance of the high temperature resistant modified asphalt layer can greatly delay the aging of the waterproof membrane, thereby maximizing the integrity and effectiveness of the waterproof layer and ensuring the safe use of the building. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0044] The following is a detailed description of the graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane and the preparation method of the embodiment of the present invention.

[0045] A graphene-modified exposed composite self-adhesive modified asphalt waterproofing coiled material, the waterproofing coiled material comprising: a graphene-modified thermal insulation coating and a self-adhesive modified asphalt waterproofing coiled material;

[0046] The self-adhesive modified asphalt waterproofing membrane comprises a first high temperature resistant modified asphalt layer, a first carcass layer, a first self-adhesive modified asphalt layer, a second carcass layer, a second self-adhesive modified asphalt layer, a second high temperature resistant modified asphalt layer, and an isolation film layer;

[0047] The graphene-modified thermal insulation coating is arranged on the first high-temperature-resistant modified asphalt layer.

[0048] The first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer are composed of 35-45 parts of 70# road petroleum asphalt, 5-10 parts of 10# road petroleum asphalt, 3-5 parts of softening oil, 2-5 parts of styrene, 1-3 parts of polyolefin, 12-18 parts of 80 mesh recycled rubber powder, and 20-35 parts of 150 mesh heavy calcium;

[0049] Among them, softening oil, calculated by mass, includes 1-3 parts of second-line oil and 2-3 parts of cyclohexane oil.

[0050] The first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are composed of 30-45 parts of 70# road petroleum asphalt, 5-10 parts of 200# synthetic asphalt, 4-8 parts of softening oil, 1-3 parts of styrene, 2-5 parts of styrene rubber powder, 10-15 parts of 80-mesh recycled rubber powder, and 18-35 parts of 150-mesh heavy calcium;

[0051] Among them, softened oil, calculated by mass, is composed of 2-5 parts of second-line oil and 3-5 parts of aromatic oil.

[0052] The graphene modified thermal insulation coating comprises, by weight: 40-60 parts of high molecular polymer emulsion, 1-2 parts of functional additives, 30-45 parts of ultrafine fillers, 5-15 parts of water, and 0.1-0.3 parts of thickener;

[0053] Wherein, the high molecular polymer emulsion is one or more of acrylic emulsion, acetic acid acrylic emulsion, and silicone acrylic emulsion, and the weight parts are as follows: 30-45 parts of acrylic emulsion, 5-15 parts of acetic acid acrylic emulsion, and 5-15 parts of silicone acrylic emulsion;

[0054] Among them, the functional additives are selected from one or more of defoamers, dispersants, fungicides, antioxidants, silane coupling agents, and phthalate coupling agents, and the weight parts are as follows: defoamer 0.3-0.6 parts, dispersant 0.1-0.4 parts, fungicides 0.1-0.3 parts, antioxidants 0.2-0.5 parts, silane coupling agents 0.1-0.3 parts, phthalate coupling agents 0.1-0.3 parts;

[0055] The ultrafine filler is calculated by weight as follows: 5-10 parts of 325 mesh titanium dioxide, 20-35 parts of 1250 mesh heavy calcium sulfate, 5-10 parts of 1250 mesh precipitated barium sulfate, and 1-5 parts of 3000 mesh white carbon black.

[0056] The first carcass layer is glass fiber reinforced non-woven fabric, the second carcass layer is long-fiber polyester non-woven fabric, and the isolation film layer is PE silicone oil isolation film.

[0057] The graphene modified thermal insulation coating preparation method:

[0058] Add high molecular polymer emulsion and water, control the speed to 200r / min, and stir for 5min;

[0059] Add functional additives, increase the speed to 400r / min, and stir for 15-20min;

[0060] Add ultrafine filler, increase the speed to 600r / min, and stir for 30-45min;

[0061] Add thickener, reduce the speed to 300r / min, and stir for 5-10min;

[0062] The graphene-modified thermal insulation coating material is obtained and set aside.

[0063] Preparation method of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer:

[0064] Put 10# road petroleum asphalt in the asphalt pool and heat it to melt until it becomes fluid. Then pump 70# road petroleum asphalt and 10# road petroleum asphalt into the stirring kettle in turn, heat it to 180-200℃, control the speed to 60-100r / min, and stir for 5-10min.

[0065] Add softening oil, control the temperature at 180-190℃, and stir for 5 minutes; add styrene and polyolefin in sequence, control the temperature at 170-190℃, and stir for 60-90 minutes;

[0066] Add 80 mesh recycled rubber powder, control the temperature at 170-190℃, and stir for 60-80 minutes; add 150 mesh heavy calcium, control the temperature at 150-170℃, and stir for 30-45 minutes;

[0067] The materials of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer are obtained and set aside.

[0068] Preparation method of the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer:

[0069] Pump 70# road petroleum asphalt and 200# synthetic asphalt into the stirring kettle in turn, heat it to 180-200℃, control the speed to 60-100r / min, and stir for 5-10min;

[0070] Add styrene and styrene rubber powder in sequence, control the temperature at 170-180°C, and stir for 60-90 minutes;

[0071] Add 80 mesh recycled rubber powder, control the temperature at 170-190℃, and stir for 60-80 minutes; add 150 mesh heavy calcium, control the temperature at 150-170℃, and stir for 30-45 minutes;

[0072] The materials of the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are obtained and set aside.

[0073] The preparation method of the waterproof coiled material comprises the following steps:

[0074] Step 1) After unwinding, drying, and pre-impregnation and squeezing, the long-fiber polyester non-woven fabric is uniformly dipped with a first self-adhesive modified asphalt layer and a second self-adhesive modified asphalt layer, and the thickness is controlled by a first thickness control roller after dipping;

[0075] Step 2) The glass fiber reinforced non-woven fabric is unwound and pressed into the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer together with the long fiber polyester non-woven fabric dipped in the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer in step 1). After dipping, the thickness is controlled by the second thickness control roller.

[0076] Step 3) The coiled material coming out of the second thickness control roller is subjected to the graphene modified heat insulation coating spraying on the first high temperature resistant modified asphalt layer on the upper surface of the coiled material, and the second high temperature resistant modified asphalt layer on the lower surface of the coiled material is subjected to the isolation film lamination process at the same time, and the bottom of the isolation film is cooled by circulating water;

[0077] The material of the graphene-modified thermal insulation coating is placed in a high-pressure sprayer, and the spraying pressure is controlled to be 0.4-0.6MPa;

[0078] Step 4) The roll material is sprayed with a graphene modified thermal insulation coating through the first high temperature resistant modified asphalt layer on the upper surface and a second high temperature resistant modified asphalt layer on the lower surface, and then enters a cooling water pool, controls the cooling water level to ensure that the upper coating is not submerged in water, and then is transported by cooling rollers, stored on storage racks, and rolled into a roll to obtain a graphene modified exposed composite self-adhesive modified asphalt waterproof roll material.

[0079] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.

[0080] Example

[0081] Unless otherwise specified, the detection methods and preparation methods in each embodiment are all existing operating methods. Unless otherwise specified, all reagents are obtained from commercial channels.

[0082] Example 1

[0083] Preparation method of graphene modified thermal insulation coating:

[0084] Add high molecular polymer emulsion and water, control the speed to 200r / min, and stir for 5min;

[0085] Add functional additives, increase the speed to 400r / min, and stir for 15 minutes;

[0086] Add ultrafine filler, increase the speed to 600r / min, and stir for 45min;

[0087] Add thickener, reduce the speed to 300r / min, and stir for 10min;

[0088] The graphene-modified thermal insulation coating material is obtained and set aside.

[0089] Preparation method of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer:

[0090] Put 10# road petroleum asphalt in the asphalt pool and heat it to melt until it becomes fluid. Then pump 70# road petroleum asphalt and 10# road petroleum asphalt into the stirring kettle in turn, heat it to 180℃, control the speed to 100r / min, and stir for 10min.

[0091] Add softening oil, control the temperature at 180℃, and stir for 5 minutes; add styrene and polyolefin in turn, control the temperature at 190℃, and stir for 60 minutes;

[0092] Add 80 mesh recycled rubber powder, control the temperature at 180℃, and stir for 70 minutes; add 150 mesh heavy calcium, control the temperature at 160℃, and stir for 45 minutes;

[0093] The materials of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer are obtained and set aside.

[0094] Preparation method of the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer:

[0095] Pump 70# road petroleum asphalt and 200# synthetic asphalt into the stirring kettle in turn, heat it to 180℃, control the speed to 100r / min, and stir for 10min;

[0096] Add styrene and styrene rubber powder in sequence, control the temperature at 180°C, and stir for 60 minutes;

[0097] Add 80 mesh recycled rubber powder, control the temperature at 170℃, and stir for 60 minutes; add 150 mesh heavy calcium, control the temperature at 170℃, and stir for 45 minutes;

[0098] The materials of the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are obtained and set aside.

[0099] Step 1) After unwinding, drying, and pre-impregnation and squeezing, the long-fiber polyester non-woven fabric is uniformly dipped with a first self-adhesive modified asphalt layer and a second self-adhesive modified asphalt layer, and the thickness is controlled by a first thickness control roller after dipping;

[0100] Step 2) The glass fiber reinforced non-woven fabric is unwound and pressed into the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer together with the long fiber polyester non-woven fabric dipped in the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer in step 1). After dipping, the thickness is controlled by the second thickness control roller.

[0101] Step 3) The coiled material coming out of the second thickness control roller is subjected to the graphene modified heat insulation coating spraying on the first high temperature resistant modified asphalt layer on the upper surface of the coiled material, and the second high temperature resistant modified asphalt layer on the lower surface of the coiled material is subjected to the isolation film lamination process at the same time, and the bottom of the isolation film is cooled by circulating water;

[0102] The material of the graphene-modified thermal insulation coating is placed in a high-pressure sprayer, and the spraying pressure is controlled to be 0.5 MPa;

[0103] Step 4) The roll material is sprayed with a graphene modified thermal insulation coating through the first high temperature resistant modified asphalt layer on the upper surface and a second high temperature resistant modified asphalt layer on the lower surface, and then enters a cooling water pool, controls the cooling water level to ensure that the upper coating is not submerged in water, and then is transported by cooling rollers, stored on storage racks, and rolled into a roll to obtain a graphene modified exposed composite self-adhesive modified asphalt waterproof roll material.

[0104] The other examples were all operated according to the preparation method in Example 1.

[0105] The features and performance of the present invention are further described in detail below in conjunction with the embodiments, as shown in Table 1.

[0106] Table 1 Formula table of the embodiment of the present invention

[0107]

[0108] Comparative Example 1: A self-adhesive waterproof membrane with a surface of 4.0 mm (GB 23441-2009 Type I) meeting the standards on the market was selected;

[0109] Comparative Example 2 uses a 4.0mm aluminum foil surface (GB 18242-2008 Type I) styrene-modified asphalt waterproofing membrane that meets the standards on the market;

[0110] Comparative Example 3 uses a self-adhesive waterproofing roll with an aluminum film surface of 4.0 mm (GB 23441-2009I type) that meets the standards on the market;

[0111] The performance tests of the embodiments and comparative examples are shown in Table 2.

[0112] Table 2 Performance table of the embodiment of the present invention

[0113]

[0114] In summary, Examples 1 to 4 are products of this patented technology, Comparative Example 1 is a 4.0mm material of mineral granules of self-adhesive polymer modified asphalt waterproofing coil, Comparative Example 2 is a 4.0mm material of aluminum foil surface of SBS modified asphalt waterproofing coil, and Comparative Example 3 is a 4.0mm material of aluminum film of self-adhesive polymer modified asphalt waterproofing coil. Comparative Examples 1 to 3 are all materials that can be exposed for use. Through the detection and analysis of various indicators, it can be known that the product of this technology patent has significantly improved tension and elongation due to the use of a double-layer tire base, and the low-temperature flexibility is also significantly improved. After heat aging treatment, the performance is better than that of self-adhesive materials, and the advantages in ultraviolet performance are more obvious, with a tension retention rate of over 80% and an elongation of about 30%. It can be seen that the product of this patented technology has better performance in terms of physical properties, especially in terms of ultraviolet performance, which is more obvious than ordinary exposed materials.

[0115] Although the present invention is described herein with reference to a number of illustrative embodiments of the present invention, it will be appreciated that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the present disclosure and claims, a variety of variations and improvements may be made to the components and / or layout of the subject combination layout. In addition to the variations and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane, characterized in that: The waterproof roll material comprises: a graphene-modified thermal insulation coating and a self-adhesive modified asphalt waterproof roll material; The self-adhesive modified asphalt waterproofing membrane comprises a first high temperature resistant modified asphalt layer, a first carcass layer, a first self-adhesive modified asphalt layer, a second carcass layer, a second self-adhesive modified asphalt layer, a second high temperature resistant modified asphalt layer, and an isolation film layer; The graphene-modified thermal insulation coating is arranged on the first high-temperature-resistant modified asphalt layer.

2. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 1, characterized in that: The first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer are composed of 35-45 parts of 70# road petroleum asphalt, 5-10 parts of 10# road petroleum asphalt, 3-5 parts of softening oil, 2-5 parts of styrene, 1-3 parts of polyolefin, 12-18 parts of recycled rubber powder, and 20-35 parts of 150 heavy calcium carbonate. Among them, softening oil, calculated by mass, includes 1-3 parts of second-line oil and 2-3 parts of cyclohexane oil.

3. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 1, characterized in that: The first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are composed of 30-45 parts of 70# road petroleum asphalt, 5-10 parts of 200# synthetic asphalt, 4-8 parts of softening oil, 1-3 parts of styrene, 2-5 parts of styrene rubber powder, 10-15 parts of recycled rubber powder, and 18-35 parts of heavy calcium carbonate. Among them, softened oil, calculated by mass, is composed of 2-5 parts of second-line oil and 3-5 parts of aromatic oil.

4. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 1, characterized in that: The graphene modified thermal insulation coating comprises, by weight: 40-60 parts of high molecular polymer emulsion, 1-2 parts of functional additives, 30-45 parts of ultrafine fillers, 5-15 parts of water, and 0.1-0.3 parts of thickener.

5. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 4, characterized in that: The high molecular polymer emulsion is one or more of acrylic emulsion, acetic acid acrylic emulsion, and silicone acrylic emulsion; The functional additives may be one or more of defoaming agent, dispersant, bactericide, antioxidant, silane coupling agent, and phthalate coupling agent; Ultrafine fillers, including: titanium dioxide, heavy calcium, barium sulfate, and white carbon black.

6. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 1, characterized in that: The first carcass layer is glass fiber reinforced non-woven fabric, the second carcass layer is long-fiber polyester non-woven fabric, and the isolation film layer is PE silicone oil isolation film.

7. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 4, characterized in that: The graphene modified thermal insulation coating preparation method: The high molecular polymer emulsion and water are added and stirred, and then the functional additive, the ultrafine filler and the thickener are added in sequence and stirred to obtain the graphene-modified thermal insulation coating material.

8. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 2, characterized in that: Preparation method of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer: Put 10# road petroleum asphalt in the asphalt pool and heat it to melt until it is fluid, then pump 70# road petroleum asphalt and 10# road petroleum asphalt into the mixing kettle in turn, heat it and stir; Add softened oil and stir under controlled temperature; Add styrene and styrene rubber powder in sequence, and control the temperature while stirring; Add recycled rubber powder and stir under controlled temperature; Add heavy calcium and control the temperature while stirring; The materials of the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer are obtained.

9. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 3, characterized in that: Preparation method of the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer: Pump 70# road petroleum asphalt and 200# synthetic asphalt into the mixing kettle in turn, heat up and stir; Add styrene and styrene rubber powder in sequence, and control the temperature while stirring; Add recycled rubber powder and stir under controlled temperature; Add heavy calcium and control the temperature while stirring; The materials of the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer are obtained.

10. The graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane according to claim 6, characterized in that: The preparation method of the waterproof coiled material comprises the following steps: Step 1) After unwinding, drying, and pre-impregnation and squeezing, the long-fiber polyester non-woven fabric is uniformly dipped with a first self-adhesive modified asphalt layer and a second self-adhesive modified asphalt layer, and the thickness is controlled by a first thickness control roller after dipping; Step 2) The glass fiber reinforced non-woven fabric is unwound and pressed into the first high temperature resistant modified asphalt layer and the second high temperature resistant modified asphalt layer together with the long fiber polyester non-woven fabric dipped in the first self-adhesive modified asphalt layer and the second self-adhesive modified asphalt layer in step 1). After dipping, the thickness is controlled by the second thickness control roller. Step 3) The coiled material coming out of the second thickness control roller is subjected to the graphene modified heat insulation coating spraying on the first high temperature resistant modified asphalt layer on the upper surface of the coiled material, and the second high temperature resistant modified asphalt layer on the lower surface of the coiled material is subjected to the isolation film lamination process at the same time, and the bottom of the isolation film is cooled by circulating water; Step 4) entering the cooling water pool, then being transported by cooling rollers, stored on storage racks, and rolled into a roll, thereby obtaining the graphene-modified exposed composite self-adhesive modified asphalt waterproofing membrane.

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