CN111138872A - Modified asphalt coating material, modified asphalt waterproof coiled material and preparation method thereof - Google Patents
Modified asphalt coating material, modified asphalt waterproof coiled material and preparation method thereof Download PDFInfo
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- CN111138872A CN111138872A CN201911400550.1A CN201911400550A CN111138872A CN 111138872 A CN111138872 A CN 111138872A CN 201911400550 A CN201911400550 A CN 201911400550A CN 111138872 A CN111138872 A CN 111138872A
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- modified asphalt
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- 239000010426 asphalt Substances 0.000 title claims abstract description 120
- 239000000463 material Substances 0.000 title claims abstract description 94
- 239000011248 coating agent Substances 0.000 title claims abstract description 47
- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003607 modifier Substances 0.000 claims abstract description 27
- 239000004743 Polypropylene Substances 0.000 claims abstract description 19
- -1 polypropylene Polymers 0.000 claims abstract description 19
- 229920001155 polypropylene Polymers 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000006229 carbon black Substances 0.000 claims abstract description 16
- 239000003208 petroleum Substances 0.000 claims abstract description 13
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 9
- 150000001412 amines Chemical class 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 229920000570 polyether Polymers 0.000 claims abstract description 9
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 11
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical group CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000004250 tert-Butylhydroquinone Substances 0.000 claims description 10
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical group [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 8
- 235000010215 titanium dioxide Nutrition 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 239000004902 Softening Agent Substances 0.000 claims description 2
- 235000006708 antioxidants Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000003017 thermal stabilizer Substances 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 8
- 239000004814 polyurethane Substances 0.000 abstract description 6
- 229920002635 polyurethane Polymers 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 238000003878 thermal aging Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 24
- 230000008569 process Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a modified asphalt coating material, a modified asphalt waterproof coiled material and a preparation method thereof. The modified asphalt coating material comprises the following raw materials: 50-60 wt% of petroleum asphalt, 3-6 wt% of softener, 12-14 wt% of SBS modifier, 2-6 wt% of polypropylene modifier, 2-6 wt% of polyether amine, 0.5-1.5 wt% of heat stabilizer, 0.5-1.5 wt% of antioxidant, 4-8 wt% of titanium dioxide and 10-16 wt% of white carbon black. The modified asphalt waterproof coiled material has good high temperature resistance, thermal aging resistance and ultraviolet aging resistance, improves the durability, can improve the bonding strength of polyurethane and the coiled material by more than 1 time, is particularly suitable for roof waterproof engineering application, and can solve the problem that the lap joint sealing property of the coiled material is influenced by the thermal size change of the coiled material in hot days.
Description
Technical Field
The invention belongs to the field of waterproof coiled materials, and particularly relates to a modified asphalt coating material, a modified asphalt waterproof coiled material and a preparation method thereof.
Background
The modified asphalt waterproof coiled material is the most widely applied material for roof waterproofing at present, and is generally adhered to a roof base layer by hot melting construction to serve as a waterproof 'membrane' wrapping the roof. Due to the convenience in use, the main size specification of the conventional modified asphalt waterproof coiled material is 10m multiplied by 1m, so that a roof has a plurality of lap joints, wherein short edges are lapped, and due to the expansion caused by heat and cold of the material, the deformation of a building structure body and the expansion influence of steam wrapped by the coiled material and a base layer, the problem of short edge displacement easily occurs in the lapping of the short edges in hot weather, so that a water channeling channel occurs at the lapping part, and the waterproof effect is influenced; secondly, a protective layer needs to be arranged on the common modified asphalt coiled material according to the national standard requirements, but in order to reduce the building cost, a plurality of contractors usually directly expose and use the modified asphalt coiled material at the cost of sacrificing the waterproof service life, which aggravates the water leakage problem caused by the factors of material aging, material thermal deformation and the like again, and the waterproof service life is greatly reduced. Therefore, from the design and production angles of the modified asphalt waterproof coiled material, a new technology is urgently needed to be developed, the problem of short edge displacement of hot weather after being paved and attached is solved, and the phenomenon that improper exposure and use of the material are inhibited to a certain extent is slowed down, so that the service life of the waterproof coiled material is protected, and the property safety of residents is maintained.
Disclosure of Invention
The invention aims to solve the problems and provides a modified asphalt coating material, a modified asphalt waterproof coiled material and a preparation method thereof. The heat aging resistance, ultraviolet aging resistance and better thermal stability of the modified asphalt coating are improved through formula development, and the bonding strength between the modified asphalt coiled material and polyurethane can be improved by more than 1 time; and secondly, a spike-tooth spiral unfolding roller or a driving roller is introduced into a high-temperature part from the aspect of process, so that transverse stentering of the coiled material is realized, tension in the running direction is resisted, internal stress of the coiled material is dispersed, the problem of short edge shrinkage of the coiled material in hot weather is solved, and the exposed service life of the coiled material is prolonged by improving the dimensional stability of a framework of the coiled material and the ageing resistance of an upper surface layer.
In order to achieve the above object, a first aspect of the present invention provides a modified asphalt coating material, which comprises the following raw materials:
50-60 wt% of petroleum asphalt, 3-6 wt% of softener, 12-14 wt% of SBS modifier, 2-6 wt% of polypropylene modifier, 2-6 wt% of polyether amine, 0.5-1.5 wt% of heat stabilizer, 0.5-1.5 wt% of antioxidant, 4-8 wt% of titanium dioxide and 10-16 wt% of white carbon black.
Preferably, the raw materials of the modified asphalt coating material comprise:
52-56 wt% of petroleum asphalt, 3-6 wt% of softener, 12-14 wt% of SBS modifier, 2-3 wt% of polypropylene modifier, 2-4 wt% of polyether amine, 0.5-1.5 wt% of heat stabilizer, 0.5-1.5 wt% of antioxidant, 7-8 wt% of titanium dioxide and 12-16 wt% of white carbon black.
Preferably, the polyetheramine is polyetheramine T5000 with 3-functionality, and in the invention, the polyetheramine T5000 can effectively improve the bonding strength of polyurethane and asphalt materials.
According to the invention, SBS and asphalt molecules form a similar net structure by adding the ammonium citrate, so that the storage stability of the modified asphalt is improved.
Preferably, the antioxidant is tert-butylhydroquinone, and in the invention, the addition of tert-butylhydroquinone can effectively improve the stability of the polymer to light.
Preferably, the petroleum asphalt is 70# heavy traffic petroleum asphalt, such as Kunlun 70# heavy traffic petroleum asphalt.
Preferably, the softener is naphthenic base rubber oil, such as naphthenic base rubber oil of Qinhuang island refinery.
As a preferable scheme, the SBS modifier is star-shaped SBS, the molecular weight of the SBS modifier is 20-25 ten thousand, and the SBS modifier can be applied to the asphalt coiled material to improve the phenomena that the matrix asphalt is easy to flow at high temperature and easy to crack at low temperature, such as star-shaped SBS4402-1 produced by Yueyang petrochemical industry.
Preferably, the polypropylene modifier is random polypropylene APP.
As a preferred scheme, the titanium dioxide is 150-250-mesh anatase titanium dioxide powder, such as Tourette's blue anatase titanium dioxide, and has the functions of reinforcement, aging resistance and filling.
As a preferable scheme, the white carbon black can be 150-250 mesh white carbon black, such as 200 mesh white carbon black.
The second aspect of the present invention provides a method for preparing the above-mentioned modified asphalt coating material, comprising:
shearing and blending petroleum asphalt, a softening agent, an SBS modifier, a polypropylene modifier, polyetheramine, a heat stabilizer, an antioxidant, titanium dioxide and white carbon black at 190 ℃ and stirring for development to obtain the modified asphalt waterproof coiled material coating material.
Preferably, the mixing time in the preparation of the modified asphalt coating material is generally 6 to 7 hours.
The third aspect of the invention provides a modified asphalt waterproof coiled material, which comprises an upper surface modified asphalt layer, a middle layer and a lower surface modified asphalt layer which are sequentially arranged from top to bottom;
the gram weight of the intermediate layer is 200-250g/m2The long-fiber polyester spun-bonded non-woven fabric with the thickness of 1.2-1.6mm has the elongation rate of more than or equal to 40 percent;
the raw materials of the upper surface modified asphalt layer and the lower surface modified asphalt layer are the modified asphalt coating material.
According to the invention, the width, length, thickness and the like of the modified asphalt waterproof roll can be reasonably adjusted according to the needs of customers, and under the normal condition, the nominal width of the roll is 1000mm, and the nominal thickness of the waterproof roll is 3-4 mm.
The fourth aspect of the present invention provides a preparation method of the above modified asphalt waterproof roll, including:
the middle layer is unfolded through an unfolding roller, then enters a presoaking groove through a first oil pressing roller for presoaking, is conveyed through a first driving roller and is squeezed to be dry through a squeezing roller;
the squeezed middle layer is driven into an oiling pool through a second driving roller, the middle layer is pressed into a modified asphalt coating material of the oiling pool through a second oil pressing roller in the oiling pool, and the modified asphalt coating material of the modified asphalt layer on the lower surface and the modified asphalt coating material of the modified asphalt layer on the upper surface are coated; and then the modified asphalt waterproof coiled material is obtained after thickness setting by a thickness setting roller and cooling.
According to the present invention, the preparation methods of the modified asphalt coating material and the modified asphalt waterproof coiled material are the methods conventionally adopted by those skilled in the art.
Preferably, spike-tooth bulges are arranged on two sides of the first oil pressing roller, the first driving roller, the second oil pressing roller and the second driving roller.
Preferably, the nail tooth protrusions are distributed in a spiral line, and the lead of the spiral line is 0.5-1 cm.
Preferably, the height of the convex part of the nail teeth is 0.1-0.2 mm.
Preferably, the diameter of the first oil pressing roller, the diameter of the first driving roller and the diameter of the second oil pressing roller are 10-20cm, and the diameter of the second driving roller is 50-100 cm.
The invention has the beneficial effects that:
the invention improves the heat aging resistance, ultraviolet aging resistance and thermal stability of the modified asphalt coating layer through formula improvement, and can improve the bonding strength of the modified asphalt coiled material and polyurethane by more than 1 time; and secondly, a spike-tooth spiral unfolding roller or a driving roller is introduced into a high-temperature part from the aspect of process, so that transverse stentering of the coiled material is realized, tension in the running direction is resisted, internal stress of the coiled material is dispersed, the problem of short edge shrinkage of the coiled material in hot weather is solved, and the exposed service life of the coiled material is prolonged by improving the dimensional stability of a framework of the coiled material and the ageing resistance of an upper surface layer.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
Figure 1 shows a process flow diagram of example 1 of the present invention.
FIG. 2 shows a schematic block diagram of a first roll press employed in the process flow of one embodiment of the present invention.
Description of reference numerals:
1-spreading roller, 2-first oil pressing roller, 3-first driving roller, 4-squeezing roller, 5-second oil pressing roller, 6-second driving roller, 7-thickness fixing roller, 11-spreading roller and 22-oil coating pool.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the embodiment of the invention, the 70# asphalt is Kunlun 70# heavy-traffic petroleum asphalt; the naphthenic base rubber oil is naphthenic base rubber oil of Qinhuang island refinery; the SBS4402-1 modifier is star SBS4402-1 produced by Yueyang petrochemical industry, and the molecular weight is 20-25 ten thousand; the APP polypropylene is an atactic polypropylene APP produced by Qingdao Sainuo New Material Co.Ltd; the T5000 polyetheramine is polyetheramine T5000 with 3-functionality produced by Hensman Huntsman; the ammonium citrate is BP93 ammonium citrate produced by Suzhou Byghur chemical industry; the tert-butyl hydroquinone is the tert-butyl hydroquinone produced by Zhengzhou Jiuding chemical products Limited; the anatase titanium dioxide is 200-mesh anatase titanium dioxide produced by gallery blue department.
In the examples of the present invention,% means weight percentage.
Example 1
(1) Prepared modified asphalt coating material
54% of No. 70 asphalt, 3% of naphthenic base rubber oil, 14% of SBS4402-1 modifier, 2% of APP polypropylene, 2% of T5000 polyether amine, 0.5% of ammonium citrate, 0.5% of tert-butyl hydroquinone, 8% of anatase titanium dioxide and 16% of 200-mesh white carbon black are heated to 180 ℃ for shearing and blending, and the mixture is stirred and developed for 6 hours to obtain the modified asphalt coating material.
(2) The modified asphalt waterproof coiled material is prepared
The modified asphalt waterproof coiled material comprises an upper surface modified asphalt layer, a middle layer and a lower surface modified asphalt layer which are sequentially arranged from top to bottom; the gram weight of the middle layer is 250g/m2The elongation of the long-fiber polyester spun-bonded non-woven fabric with the thickness of 1.4mm is more than or equal to 40 percent (purchased from Shandong Tiandingfeng non-woven fabric Co., Ltd.); the raw materials of the upper surface modified asphalt layer and the lower surface modified asphalt layer are the modified asphalt coating material.
Referring to fig. 1, the preparation method comprises the following steps:
the middle layer is unfolded by an unfolding roller 1, enters a presoaking groove 11 for presoaking by a first pressure oil roller 2 (the diameter is 15cm), is conveyed by a first driving roller 3 (the diameter is 15cm) and is squeezed by a squeezing roller 4; the squeezed middle layer is driven into an oiling pool 22 through a second driving roller 6 (the diameter is 75cm), the middle layer is pressed into a modified asphalt coating material of the oiling pool 22 through a second oil pressing roller 5 (the diameter is 15cm) in the oiling pool 22, and the modified asphalt coating material of the modified asphalt layer on the lower surface and the modified asphalt coating material of the modified asphalt layer on the upper surface are coated; and then the modified asphalt waterproof coiled material is obtained after the thickness is determined by a thickness determining roller 7 and the cooling is carried out. The two sides of the first oil pressing roller, the first driving roller, the second oil pressing roller and the second driving roller are respectively provided with a spike tooth protrusion and a spike tooth protrusion which are distributed in a spiral line, and the lead of the spiral line is 1 cm; the height of the protruding nail teeth is 0.2 mm. Referring to fig. 2, fig. 2 is a schematic structural view of a first roll press employed in a process flow according to an embodiment of the present invention.
Example 2
(1) Prepared modified asphalt coating material
56% of No. 70 asphalt, 3% of naphthenic base rubber oil, 14% of SBS4402-1 modifier, 2% of APP polypropylene, 3% of T5000 polyether amine, 1% of ammonium citrate, 1% of tert-butyl hydroquinone, 8% of anatase titanium dioxide and 12% of 200-mesh white carbon black are heated to 180 ℃ for shearing and blending, stirred and developed for 6 hours to obtain the SBS modified asphalt coating material.
(2) The modified asphalt waterproof coiled material is prepared
Same as example 1
Example 3
(1) Prepared modified asphalt coating material
55% of No. 70 asphalt, 4% of naphthenic base rubber oil, 12% of SBS4402-1 modifier, 2% of APP polypropylene, 3% of T5000 polyether amine, 1.5% of ammonium citrate, 1.5% of tert-butyl hydroquinone, 8% of anatase titanium dioxide and 13% of 200-mesh white carbon black are heated to 180 ℃ for shearing and blending, stirred and developed for 6 hours to obtain the SBS modified asphalt coating material.
(2) The modified asphalt waterproof coiled material is prepared
Same as example 1
Example 4
(1) Prepared modified asphalt coating material
52% of No. 70 asphalt, 6% of naphthenic base rubber oil, 12% of SBS4402-1 modifier, 3% of APP polypropylene, 4% of T5000 polyether amine, 1.5% of ammonium citrate, 1.5% of tert-butyl hydroquinone, 8% of anatase titanium dioxide and 12% of 200-mesh white carbon black are heated to 180 ℃ for shearing and blending, stirred and developed for 7 hours to obtain the SBS modified asphalt coating material.
(2) The modified asphalt waterproof coiled material is prepared
Same as example 1
Comparative example 1
(1) Prepared modified asphalt coating material
52% of No. 70 asphalt, 6% of naphthenic base rubber oil, 12% of SBS4402-1 modifier, 3% of APP polypropylene, 1.5% of ammonium citrate, 1.5% of tert-butyl hydroquinone, 8% of anatase titanium dioxide and 16% of 200-mesh white carbon black are heated to 180 ℃ for shearing and blending, stirred and developed for 6 hours to obtain the SBS modified asphalt coating material.
(2) The modified asphalt waterproof coiled material is prepared
Same as example 1
Comparative example 2
(1) Prepared modified asphalt coating material
60% of 70# asphalt, 4% of naphthenic base rubber oil, 14% of SBS4402-1 modifier, 6% of APP polypropylene and 16% of 200 mesh white carbon black are heated to 180 ℃ for shearing and blending, and stirred and developed for 6 hours to obtain the SBS modified asphalt coating material.
(2) The modified asphalt waterproof coiled material is prepared
Same as example 1
The modified asphalt waterproofing membrane performance of the above examples and comparative examples was tested: the low-temperature flexibility is evaluated according to GB/T328.14; evaluating the artificial accelerated weathering according to a GB 18242 + 2008 detection method; evaluating the thermal dimension change rate according to a GB/T328.12 detection method; the adhesion strength of the drawn polyurethane to the coil was measured by brushing the same one-component polyurethane on the surface of the coil after curing using a drawing machine, and the results are shown in table 1.
TABLE 1
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The modified asphalt coating material is characterized by comprising the following raw materials:
50-60 wt% of petroleum asphalt, 3-6 wt% of softener, 12-14 wt% of SBS modifier, 2-6 wt% of polypropylene modifier, 2-6 wt% of polyether amine, 0.5-1.5 wt% of heat stabilizer, 0.5-1.5 wt% of antioxidant, 4-8 wt% of titanium dioxide and 10-16 wt% of white carbon black.
2. The modified asphalt coating material according to claim 1, wherein the raw material composition of the modified asphalt coating material comprises:
52-56 wt% of petroleum asphalt, 3-6 wt% of softener, 12-14 wt% of SBS modifier, 2-3 wt% of polypropylene modifier, 2-4 wt% of polyether amine, 0.5-1.5 wt% of heat stabilizer, 0.5-1.5 wt% of antioxidant, 7-8 wt% of titanium dioxide and 12-16 wt% of white carbon black.
3. The modified asphalt coating material according to claim 1 or 2, wherein the polyetheramine is polyetheramine T5000 of 3 functionality.
4. The modified asphalt coating according to claim 1 or 2, wherein the thermal stabilizer is ammonium citrate.
5. A modified asphalt coating according to claim 1 or 2, wherein the antioxidant is tert-butylhydroquinone.
6. The modified asphalt coating material according to claim 1 or 2,
the petroleum asphalt is 70# heavy traffic petroleum asphalt;
the softener is naphthenic base rubber oil;
the SBS modifier is star-shaped SBS with molecular weight of 20-25 ten thousand;
the polypropylene modifier is random polypropylene APP;
the titanium dioxide is 150-250-mesh anatase titanium dioxide powder.
7. The method of producing a modified asphalt coating material according to any one of claims 1 to 6, comprising:
shearing and blending petroleum asphalt, a softening agent, an SBS modifier, a polypropylene modifier, polyetheramine, a heat stabilizer, an antioxidant, titanium dioxide and white carbon black at 190 ℃ and stirring for development to obtain the modified asphalt waterproof coiled material coating material.
8. The modified asphalt waterproof coiled material is characterized by comprising an upper surface modified asphalt layer, a middle layer and a lower surface modified asphalt layer which are sequentially arranged from top to bottom;
the gram weight of the intermediate layer is 200-250g/m2The long-fiber polyester spun-bonded non-woven fabric with the thickness of 1.2-1.6mm has the elongation rate of more than or equal to 40 percent;
the raw materials of the upper surface modified asphalt layer and the lower surface modified asphalt layer are respectively the modified asphalt coating material of any one of claims 1 to 5.
9. The method for preparing the modified asphalt waterproofing membrane of claim 8, characterized in that the method comprises:
the middle layer is unfolded through an unfolding roller, then enters a presoaking groove through a first oil pressing roller for presoaking, is conveyed through a first driving roller and is squeezed to be dry through a squeezing roller;
the squeezed middle layer is driven into an oiling pool through a second driving roller, the middle layer is pressed into a modified asphalt coating material of the oiling pool through a second oil pressing roller in the oiling pool, and the modified asphalt coating material of the modified asphalt layer on the lower surface and the modified asphalt coating material of the modified asphalt layer on the upper surface are coated; and then the modified asphalt waterproof coiled material is obtained after thickness setting by a thickness setting roller and cooling.
10. The production method according to claim 9, wherein,
nail tooth bulges are arranged on two sides of the first oil pressing roller, the first driving roller, the second oil pressing roller and the second driving roller;
the nail tooth protrusions are distributed in a spiral line, and the lead of the spiral line is 0.5-1 cm;
the height of the nail teeth is 0.1-0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911400550.1A CN111138872B (en) | 2019-12-30 | 2019-12-30 | Modified asphalt coating material, modified asphalt waterproof coiled material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911400550.1A CN111138872B (en) | 2019-12-30 | 2019-12-30 | Modified asphalt coating material, modified asphalt waterproof coiled material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111138872A true CN111138872A (en) | 2020-05-12 |
| CN111138872B CN111138872B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911400550.1A Active CN111138872B (en) | 2019-12-30 | 2019-12-30 | Modified asphalt coating material, modified asphalt waterproof coiled material and preparation method thereof |
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| CN (1) | CN111138872B (en) |
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| JPH0866962A (en) * | 1994-08-30 | 1996-03-12 | Shoji Matsumoto | Laminator having crease preventive function for sealed film |
| CN103540147A (en) * | 2013-10-23 | 2014-01-29 | 潍坊市晨鸣新型防水材料有限公司 | High-strength and anti-stripping elastomer modified asphalt waterproof coiled material and production process |
| CN104497596A (en) * | 2014-12-07 | 2015-04-08 | 陈长琼 | Preparation process of polyether amine-added anti-strip asphalt |
| CN204382760U (en) * | 2014-11-28 | 2015-06-10 | 浙江康成新材料科技有限公司 | Transfer-film leather set composite |
| CN206201643U (en) * | 2016-08-31 | 2017-05-31 | 昆山科顺防水材料有限公司 | A kind of anti-fold film covering device |
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| JPH0866962A (en) * | 1994-08-30 | 1996-03-12 | Shoji Matsumoto | Laminator having crease preventive function for sealed film |
| CN103540147A (en) * | 2013-10-23 | 2014-01-29 | 潍坊市晨鸣新型防水材料有限公司 | High-strength and anti-stripping elastomer modified asphalt waterproof coiled material and production process |
| CN204382760U (en) * | 2014-11-28 | 2015-06-10 | 浙江康成新材料科技有限公司 | Transfer-film leather set composite |
| CN104497596A (en) * | 2014-12-07 | 2015-04-08 | 陈长琼 | Preparation process of polyether amine-added anti-strip asphalt |
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| CN111138872B (en) | 2022-03-15 |
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Effective date of registration: 20240221 Address after: 221400 No.9, Weiqi Road, Xinyi Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: XUZHOU WONIUSHAN NEW WATERPROOF MATERIALS CO.,LTD. Country or region after: China Patentee after: BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Address before: 221400 No.9, Weiqi Road, Xinyi Economic Development Zone, Xuzhou City, Jiangsu Province Patentee before: XUZHOU WONIUSHAN NEW WATERPROOF MATERIALS CO.,LTD. Country or region before: China |