CN116749610A - High-temperature-resistant modified asphalt waterproof coiled material and preparation method thereof - Google Patents
High-temperature-resistant modified asphalt waterproof coiled material and preparation method thereof Download PDFInfo
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- CN116749610A CN116749610A CN202310794308.7A CN202310794308A CN116749610A CN 116749610 A CN116749610 A CN 116749610A CN 202310794308 A CN202310794308 A CN 202310794308A CN 116749610 A CN116749610 A CN 116749610A
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- modified asphalt
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- 239000000463 material Substances 0.000 title claims abstract description 79
- 238000002360 preparation method Methods 0.000 title claims abstract description 72
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 86
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- 229960000892 attapulgite Drugs 0.000 claims abstract description 23
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- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims abstract description 13
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- PYMYPHUHKUWMLA-UHFFFAOYSA-N 2,3,4,5-tetrahydroxypentanal Chemical compound OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 claims description 16
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
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- 238000001914 filtration Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
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- 238000009210 therapy by ultrasound Methods 0.000 claims description 6
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- ZTHYODDOHIVTJV-UHFFFAOYSA-N Propyl gallate Chemical compound CCCOC(=O)C1=CC(O)=C(O)C(O)=C1 ZTHYODDOHIVTJV-UHFFFAOYSA-N 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- SPSPIUSUWPLVKD-UHFFFAOYSA-N 2,3-dibutyl-6-methylphenol Chemical compound CCCCC1=CC=C(C)C(O)=C1CCCC SPSPIUSUWPLVKD-UHFFFAOYSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 2
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 claims description 2
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 2
- 235000010388 propyl gallate Nutrition 0.000 claims description 2
- 239000000473 propyl gallate Substances 0.000 claims description 2
- 229940075579 propyl gallate Drugs 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 239000004250 tert-Butylhydroquinone Substances 0.000 claims description 2
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims description 2
- GQIUQDDJKHLHTB-UHFFFAOYSA-N trichloro(ethenyl)silane Chemical compound Cl[Si](Cl)(Cl)C=C GQIUQDDJKHLHTB-UHFFFAOYSA-N 0.000 claims description 2
- 239000005050 vinyl trichlorosilane Substances 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 10
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- 238000009413 insulation Methods 0.000 description 6
- 241000219122 Cucurbita Species 0.000 description 5
- 235000009852 Cucurbita pepo Nutrition 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 239000008187 granular material Substances 0.000 description 3
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- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000005501 phase interface Effects 0.000 description 2
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- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 125000003277 amino group Chemical group 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
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- 239000005060 rubber Substances 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application belongs to the technical field of waterproof coiled material preparation, and particularly discloses a high-temperature-resistant modified asphalt waterproof coiled material and a preparation method thereof. The high-temperature-resistant modified asphalt waterproof coiled material comprises a base layer, a modified asphalt layer and a PE film which are sequentially arranged, wherein the modified asphalt layer comprises the following raw materials in parts by weight: 80-100 parts of asphalt, 25-35 parts of polyethylene, 18-25 parts of styrene-butadiene rubber, 10-15 parts of ethylene-vinyl acetate, 10-20 parts of attapulgite, 15-25 parts of wood vinegar, 10-20 parts of bamboo powder, 8-18 parts of glass beads, 28-35 parts of modified graphene, 2-3 parts of antioxidant and 1-2 parts of stabilizer. The high-temperature-resistant modified asphalt waterproof coiled material prepared by the application has good mechanical property and high-temperature resistance, and all raw material components are matched with each other to jointly improve the mechanical property and the high-temperature resistance of asphalt, so that the waterproof coiled material prepared by the modified asphalt is widely applied.
Description
Technical Field
The application relates to the technical field of waterproof coiled material preparation, in particular to a high-temperature-resistant modified asphalt waterproof coiled material and a preparation method thereof.
Background
The waterproof coiled material is a material which is prepared by mixing asphalt, rubber and other auxiliary agents, has better waterproof performance and flexibility, is widely applied to waterproof projects such as industrial and civil buildings, has the characteristics of convenient construction, short construction period, stable and uniform thickness and dimension, is easy to manage on site during construction, and is easy to perform construction treatment.
The waterproof coiled materials are divided into asphalt waterproof coiled materials, high polymer modified asphalt waterproof coiled materials and synthetic high polymer waterproof coiled materials according to different raw material components, wherein the asphalt waterproof coiled materials are widely applied due to the advantages of strong adaptability to a base layer, simple and convenient spraying surface treatment, good waterproof performance and the like.
However, most asphalt waterproof coiled materials have high temperature flowing due to the nature of asphalt after absorbing heat when the weather is hot, so that the service life of the waterproof coiled materials is seriously influenced, and therefore, the high temperature resistant modified asphalt waterproof coiled materials are needed to overcome the defect that the asphalt waterproof coiled materials are not high temperature resistant.
Disclosure of Invention
In order to solve the problem that the asphalt waterproof coiled material is not high-temperature resistant, the application provides a high-temperature resistant modified asphalt waterproof coiled material and a preparation method thereof.
The application provides a high-temperature-resistant modified asphalt waterproof coiled material, which adopts the following technical scheme:
the high-temperature-resistant modified asphalt waterproof coiled material comprises a base layer, a modified asphalt layer and a PE film which are sequentially arranged, wherein the modified asphalt layer comprises the following raw materials in parts by weight: 80-100 parts of asphalt, 25-35 parts of polyethylene, 18-25 parts of styrene-butadiene rubber, 10-15 parts of ethylene-vinyl acetate, 10-20 parts of attapulgite, 15-25 parts of wood vinegar, 10-20 parts of bamboo powder, 8-18 parts of glass beads, 28-35 parts of modified graphene, 2-3 parts of antioxidant and 1-2 parts of stabilizer.
By adopting the technical scheme, the waterproof coiled material is composed of the base layer, the modified asphalt layer and the PE film, the waterproof coiled material has good waterproof performance and high temperature resistance, other raw materials are added into the raw material components of the modified asphalt layer to modify asphalt, the asphalt has good waterproof and anti-corrosion performances, the polyethylene has excellent mechanical properties, high wear resistance, impact strength and heat resistance, the mechanical properties and heat resistance of the asphalt are changed when the polyethylene is mixed with the asphalt, the styrene-butadiene rubber has good phase interface, uniformity, dispersibility and stability, the styrene-butadiene rubber has good processability, good elastic wear resistance and wet skid resistance, ethylene-vinyl acetate has certain viscosity, the viscosity of the raw material system is regulated, the attapulgite has a unique layered chain crystal structure and a porous structure, the asphalt can enter the pore canal of the attapulgite to be wrapped by the attapulgite, and the heat resistance of the asphalt is improved.
The wood vinegar has the effects of sterilization and disinfection, improves the antibacterial property of asphalt, the bamboo wood powder has better mechanical property, heat insulation and heat preservation, hardness, water resistance and weather resistance, is mixed with attapulgite and asphalt, improves the corresponding property of asphalt, and the bamboo wood powder can be loaded on the surface and in pores of the attapulgite, so that the mechanical property and heat insulation property of asphalt are improved, the glass beads are light, high-strength, fire-resistant, fireproof and heat-insulation and are mixed with asphalt, the high temperature resistance of an asphalt system is improved, the modified graphene has better mechanical property and heat resistance, can be mixed with the glass beads and the attapulgite, the modified graphene effectively coats the glass beads and the bamboo wood powder, improves the mechanical property and the high temperature resistance of asphalt, and all raw material components in the modified asphalt are mutually matched to jointly improve the mechanical property and the high temperature resistance of asphalt, so that the waterproof coiled material prepared by the modified asphalt is widely applied.
Preferably, the preparation method of the bamboo powder comprises the following steps:
(1) Cutting bamboo, pulverizing, soaking in lime water for 1-2 hr, washing with water, filtering, adding into sodium hydroxide solution, stirring for 30-45min, washing with water, and filtering to obtain powder particles;
(2) Dispersing the powder particles treated in the step (1) in absolute ethyl alcohol, adding coconut fibers, stirring for 2-3 hours at 65-70 ℃, adding high methoxyl pectin, stirring for 30-35min, filtering, drying and grinding to obtain treated powder particles;
(3) Grinding and sieving the luffa fiber, dispersing in deionized water, adding the powder particles treated in the step (2), adding chitosan and malic acid, stirring for 1-3h, filtering, and drying to obtain bamboo wood powder.
Through adopting above-mentioned technical scheme, contain abundant trace elements and substances such as limestone in the lime wash, can play stronger antiseptic effect, the lime wash is handled the bamboo, improves the antiseptic property of bamboo, then mixes with sodium hydroxide solution, and sodium hydroxide carries out the denudation of certain degree to the bamboo surface, removes the waxy layer on bamboo surface, is favorable to follow-up aftertreatment to the bamboo granule.
The coconut fiber has good mechanical properties, has a loose porous ventilation structure, is mixed with bamboo particles, the bamboo particles can be loaded on the surface and in the porous structure of the coconut fiber, the mechanical properties of the bamboo particles are improved, and then high methoxy pectin is added, has certain viscosity, can strengthen the connectivity between the bamboo particles and the coconut fiber, and enables the bamboo particles and the coconut fiber to be tightly connected.
The loofah fiber structure is grid-shaped, flexible and elastic, and has good mechanical properties, the powder particles obtained by the treatment in the step (2) can be loaded in the grid of the loofah fiber, and the chitosan has certain viscosity, so that the loofah fiber is coated, the powder particles are firmly loaded in the grid of the loofah fiber, the mechanical properties of the system are improved, and the subsequent improvement of the mechanical properties of asphalt is facilitated.
Preferably, the mass ratio of the bamboo to the coconut fiber to the high methoxy pectin is 1:0.4-0.6:0.1-0.3.
By adopting the technical scheme, the mass ratio of the bamboo, the coconut fiber and the high methoxy pectin is further limited, and the bamboo wood powder with better mechanical property is obtained. The bamboo particles can be loaded on the surface and in the pores of the coconut fiber, and the high methoxy pectin carries out certain cladding on the coconut fiber, so that the connectivity between the bamboo particles and the coconut fiber can be increased, the bamboo particles are firmly loaded on the coconut fiber, and the corresponding mechanical properties of the bamboo powder are improved.
Preferably, the mass ratio of the bamboo to the luffa fiber to the chitosan is 1:0.5-0.8:0.08-0.2.
By adopting the technical scheme, the mass ratio of the bamboo, the towel gourd fiber and the chitosan is further limited, the bamboo wood powder with better mechanical properties is obtained, particles mixed by the coconut fiber and the bamboo can be loaded in the grid of the towel gourd fiber, the towel gourd fiber is coated with the chitosan to a certain extent, the connectivity between the coconut fiber, the bamboo mixed particles and the towel gourd fiber can be increased, the coconut fiber and the bamboo mixed particles are firmly loaded on the towel gourd fiber, and the improvement of the corresponding mechanical properties of the bamboo wood powder is facilitated.
Preferably, the pretreatment of the glass beads comprises the following steps: soaking the hollow glass beads in hydrogen peroxide for 1-2 hours at the temperature of 120-150 ℃, washing with water, then adding nano titanium dioxide particles, stirring for 15-20 minutes, washing with water, and drying to obtain the pretreated hollow glass beads.
Through adopting above-mentioned technical scheme, the hollow glass bead is oxidized with hydrogen peroxide, makes the glass bead surface become coarse porous, has improved the specific surface area of glass bead, and the heating helps the acceleration of oxidation reaction rate, and nanometer titanium dioxide granule can load in the hole on glass bead surface, and then has increased the specific surface area of glass bead, and hollow glass bead has better adsorptivity, can adsorb nanometer titanium dioxide granule.
The nano titanium dioxide particles have the characteristics of strong ultraviolet absorption capacity, stable optical performance, good dispersibility, large specific surface area, high surface binding energy and the like, and are excellent in mechanical properties, and have the characteristics of good high temperature resistance, high compressive strength, high melting point, small density, good flame retardance, small thermal shrinkage coefficient and the like, and the properties of the nano titanium dioxide particles and the hollow glass particles are combined with each other, so that the obtained pretreated glass particles have good mechanical properties and high temperature resistance, and the tensile strength, impact strength, hardness and other mechanical properties and high temperature resistance of asphalt are improved when the nano titanium dioxide particles are subsequently applied to asphalt.
Preferably, the preparation method of the modified graphene comprises the following steps:
(1) Dispersing graphene in absolute ethyl alcohol, performing ultrasonic treatment for 1-2 hours, adding alkylphenol polyoxyethylene sodium sulfate, and continuing ultrasonic treatment for later use;
(2) Adding alumina nano particles into the graphene solution treated in the step (1), stirring for 1-2h, then adding an amino-containing silane coupling agent, and stirring for 2-3h for later use;
(3) And (3) adding silicon carbide particles into the graphene solution treated in the step (2), and stirring for 1-2h to obtain the modified graphene.
Through adopting above-mentioned technical scheme, mix graphene and alkylphenol ethoxylate sodium sulfate, improve the surface activity of graphene, help the dispersion of graphene, the aluminium oxide nanoparticle load is on the surface of graphene, the graphene has better mechanical properties and high temperature resistance, and the aluminium oxide nanoparticle has good extinction effect to infrared, have better surface strength, wearability, corrosion resistance, insulating properties and high temperature resistance, and then increase the corresponding performance of graphene, then add the silane coupling agent that contains amino, carry out the crosslinking reaction with graphene, the aluminium oxide nanoparticle load is in the crosslinked structure that amino silane coupling agent and graphene formed, further increased the structural stability of aluminium oxide nanoparticle in graphene system, help guaranteeing the excellent performance of graphene.
The silicon carbide particles have higher strength, are added into graphene, are loaded in a cross-linked network structure formed by the graphene, strengthen the mechanical strength of the graphene structure, can adjust the viscosity of a system, are beneficial to adjusting the dispersibility of raw material components of the graphene system, further improve the heat resistance of the graphene system, and are matched with alumina nanoparticles and an amino-containing silane coupling agent to further improve the mechanical property and heat resistance of the graphene, thereby being beneficial to subsequently improving the corresponding performance of asphalt.
Preferably, the mass ratio of the graphene to the alumina nano particles to the amino-containing silane coupling agent is 1:0.1-0.3:0.05-0.1.
By adopting the technical scheme, the mass ratio of the graphene, the alumina nano-particles and the amino-containing silane coupling agent is further limited, so that the modified graphene with better mechanical property and heat resistance is obtained, the alumina nano-particles are loaded on the surface of the graphene, the amino-containing silane coupling agent and the graphene undergo a crosslinking reaction, the alumina nano-particles are coated in a crosslinking structure formed by the graphene and the amino-containing silane coupling agent, the structural stability of the alumina nano-particles is improved, the alumina nano-particles are more firmly loaded in a network structure of the graphene and the amino-containing silane coupling agent, and the corresponding mechanical property and heat resistance of the modified graphene are improved.
Preferably, the stabilizer is selected from one or more of vinyltriethoxysilane, vinyltrichlorosilane and vinyltrimethoxysilane.
By adopting the technical scheme, the effect of the stabilizer is beneficial to uniformly mixing the raw material components in the asphalt system, simultaneously is beneficial to ensuring the storage stability of the asphalt system and is beneficial to the service life of the prepared modified asphalt layer.
Preferably, the antioxidant is selected from one or more of dibutyl hydroxy toluene, butyl hydroxy anisole, propyl gallate and tert-butyl hydroquinone.
By adopting the technical scheme, the antioxidant is beneficial to delaying the aging of asphalt in the use process, prolonging the service life of asphalt, and further prolonging the service life of the modified asphalt layer.
In a second aspect, the application also provides a preparation method of the high-temperature-resistant modified asphalt waterproof coiled material, which comprises the following steps: uniformly mixing asphalt, polyethylene, styrene-butadiene rubber, ethylene-vinyl acetate attapulgite, wood vinegar, bamboo powder, glass beads, modified graphene, an antioxidant and a stabilizer, and carrying out melt extrusion to obtain a sheet, then adhering the sheet on a base layer, adhering a PE film on one side of the sheet far away from the base layer, and then drying to obtain the high-temperature-resistant modified asphalt waterproof coiled material.
By adopting the technical scheme, the high-temperature-resistant modified asphalt waterproof coiled material is prepared by adopting the steps, so that the raw materials are uniformly mixed, the processing is easy, the operation is simple, the impact resistance and the heat resistance of the high-temperature-resistant modified asphalt waterproof coiled material are improved together, and the subsequent industrial production is facilitated.
In summary, the application has the following beneficial effects:
1. according to the application, the waterproof coiled material is composed of the base layer, the modified asphalt layer and the PE film, the waterproof performance and the high temperature resistance are good, other raw materials are added into the raw material components of the modified asphalt layer to modify asphalt, the polyethylene has excellent mechanical properties, high wear resistance, impact strength and heat resistance, the polyethylene is mixed with asphalt to change the mechanical properties and heat resistance of the asphalt, the asphalt has good phase interface, uniformity, dispersibility and stability, the styrene-butadiene rubber has good processability, good elastic wear resistance and good wet skid resistance, ethylene-vinyl acetate has certain viscosity, the viscosity of a raw material system is regulated, the attapulgite has a unique layered chain crystal structure and a porous structure, the asphalt can enter the pore canal of the attapulgite to be wrapped by the attapulgite, and the heat resistance of the asphalt is improved.
2. The bamboo wood powder has better mechanical property, heat insulation, hardness, water resistance and weather resistance, is mixed with the attapulgite and the asphalt, improves the corresponding property of the asphalt, can be loaded on the surface and in pores of the attapulgite, further improves the mechanical property and the heat insulation property of the asphalt, is light in weight, high in strength, fireproof and heat insulation, is mixed with the asphalt, improves the high temperature resistance of an asphalt system, has better mechanical property and heat resistance, can be mixed with the glass bead and the attapulgite, effectively coats the glass bead and the bamboo wood powder, improves the mechanical property and the high temperature resistance of the asphalt, and mutually cooperates with each raw material component in the modified asphalt to jointly improve the mechanical property and the high temperature resistance of the asphalt, so that the waterproof coiled material prepared by the modified asphalt is widely applied.
3. According to the application, the bamboo particles can be loaded on the surface and in the pores of the coconut fiber, and the high methoxy pectin is used for coating the coconut fiber to a certain extent, so that the connectivity between the bamboo particles and the coconut fiber can be increased, the bamboo particles are firmly loaded on the coconut fiber, and the bamboo particles are further beneficial to improving the corresponding mechanical properties of the bamboo powder.
Detailed Description
The present application will be described in further detail with reference to examples.
The raw materials used in the examples and comparative examples are all commercially available; wherein the stabilizer is vinyl triethoxysilane, and the antioxidant is dibutyl hydroxy toluene.
Preparation example of bamboo wood powder
PREPARATION EXAMPLE 1-1
The preparation method of the bamboo powder comprises the following steps:
(1) Cutting 3kg of bamboo, crushing, soaking in 5L of lime water with the mass concentration of 30% for 2 hours, washing with water, filtering, adding into 3.5L of sodium hydroxide solution with the mass concentration of 10%, stirring for 45 minutes, washing with water, and filtering to obtain powder particles;
(2) Dispersing the powder particles treated in the step (1) in 2.5L absolute ethyl alcohol, adding coconut fibers, stirring for 3 hours at the stirring temperature of 70 ℃, adding high methoxyl pectin, stirring for 30 minutes, filtering, drying and grinding to obtain treated powder particles; (3) Grinding the loofah fibers, sieving with a 50-mesh sieve, dispersing in 2.5L of deionized water, adding the powder particles treated in the step (2), adding chitosan and 0.5L of 15-mass-concentration malic acid, stirring for 3 hours, filtering, and drying to obtain bamboo wood powder.
Wherein the mass ratio of bamboo, coconut fiber and high methoxy pectin is 1:0.4:0.3;
the mass ratio of the bamboo to the luffa fiber to the chitosan is 1:0.5:0.2.
PREPARATION EXAMPLES 1-2
The difference from preparation example 1-1 is that in step (2), coconut fiber is not added.
Preparation examples 1 to 3
The difference from preparation example 1-1 is that in step (2), high methoxyl pectin is not added.
Preparation examples 1 to 4
The difference from preparation example 1-1 is that in step (3), no loofah fiber was added.
Preparation examples 1 to 5
The difference from preparation example 1-1 is that chitosan was not added in step (3).
Preparation examples 1 to 6
The difference from preparation example 1-1 is that the mass ratio of bamboo, coconut fiber and high methoxy pectin is 1:0.6:0.1.
Preparation examples 1 to 7
The difference from preparation example 1-1 is that the mass ratio of bamboo, coconut fiber and high methoxy pectin is 1:0.9:0.05.
Preparation examples 1 to 8
The difference from preparation example 1-1 is that the mass ratio of bamboo, loofah fiber and chitosan is 1:0.8:0.08.
Preparation examples 1 to 9
The difference from preparation example 1-1 is that the mass ratio of bamboo, loofah fiber and chitosan is 1:0.2:0.5.
Preparation example of modified graphene
PREPARATION EXAMPLE 2-1
The preparation method of the modified graphene comprises the following steps:
(1) Dispersing 0.5g of graphene in 2L of absolute ethyl alcohol, carrying out ultrasonic treatment for 2 hours, adding 0.2kg of alkylphenol ethoxylate sodium sulfate, and continuing ultrasonic treatment for later use;
(2) Adding alumina nano particles into the graphene solution treated in the step (1), stirring for 2 hours, then adding an amino-containing silane coupling agent, and stirring for 3 hours for later use;
(3) Adding 0.5kg of silicon carbide particles into the graphene solution treated in the step (2), and stirring for 2 hours to obtain modified graphene; wherein the mass ratio of the graphene to the alumina nano particles to the amino-containing silane coupling agent is 1:0.1:0.05.
PREPARATION EXAMPLE 2-2
The difference from preparation example 2-1 is that in step (2), alumina nanoparticles are not added.
PREPARATION EXAMPLES 2-3
The difference from preparation example 2-1 is that in step (2), the amino group-containing silane coupling agent is not added.
PREPARATION EXAMPLES 2 to 4
The difference from preparation example 2-1 is that silicon carbide particles are not added in step (3).
PREPARATION EXAMPLES 2 to 5
The difference from preparation example 2-1 is that the mass ratio of graphene, alumina nanoparticles and amino-containing silane coupling agent is 1:0.3:0.1.
Preparation examples 2 to 6
The difference from preparation example 2-1 is that the mass ratio of graphene, alumina nanoparticles and amino-containing silane coupling agent is 1:0.6:0.01.
Examples
Example 1
The high-temperature-resistant modified asphalt waterproof coiled material comprises a base layer, a modified asphalt layer and a PE film which are sequentially arranged, wherein the modified asphalt layer comprises the following raw materials in parts by weight: 90kg of asphalt, 30kg of polyethylene, 22kg of styrene-butadiene rubber, 12kg of ethylene-vinyl acetate, 15kg of attapulgite, 20kg of wood vinegar, 15kg of bamboo powder, 12kg of glass beads, 30kg of modified graphene, 2.5kg of antioxidant and 1.5kg of stabilizer.
The preparation method of the high-temperature-resistant modified asphalt waterproof coiled material comprises the following steps: uniformly mixing asphalt, polyethylene, styrene-butadiene rubber, ethylene-vinyl acetate attapulgite, wood vinegar, bamboo powder, glass beads, modified graphene, an antioxidant and a stabilizer, and carrying out melt extrusion to obtain a sheet, then carrying out hot pressing adhesion on the sheet on a base layer, carrying out hot pressing adhesion on a PE film on one side of the sheet far away from the base layer, and then drying to obtain the high-temperature-resistant modified asphalt waterproof coiled material.
The pretreatment of the glass beads comprises the following steps: soaking 0.1kg of hollow glass beads in 2L of 12% hydrogen peroxide at 150 ℃ for 2h, washing with water, adding 0.2kg of nano titanium dioxide particles, stirring for 20min, washing with water, and drying to obtain pretreated hollow glass beads.
Bamboo wood powder was prepared using preparation example 1-1 and modified graphene was prepared using preparation example 2-1.
Example 2
A high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that bamboo wood powder is prepared by adopting the preparation examples 1-2.
Example 3
A high temperature resistant modified asphalt waterproof coiled material is different from example 1 in that bamboo wood powder is prepared by adopting preparation examples 1-3.
Example 4
A high temperature resistant modified asphalt waterproof coiled material is different from example 1 in that bamboo wood powder is prepared by adopting preparation examples 1-4.
Example 5
A high temperature resistant modified asphalt waterproof coiled material is different from example 1 in that bamboo wood powder is prepared by adopting preparation examples 1-5.
Example 6
A high temperature resistant modified asphalt waterproof coiled material is different from example 1 in that bamboo wood powder is prepared by adopting preparation examples 1-6.
Example 7
A high temperature resistant modified asphalt waterproof coiled material is different from example 1 in that bamboo wood powder is prepared by adopting preparation examples 1-7.
Example 8
A high temperature resistant modified asphalt waterproof coiled material is different from example 1 in that bamboo wood powder is prepared by adopting preparation examples 1-8.
Example 9
A high temperature resistant modified asphalt waterproof coiled material is different from example 1 in that bamboo wood powder is prepared by adopting preparation examples 1-9.
Example 10
A high temperature resistant modified asphalt waterproof roll is different from example 1 in that bamboo wood powder is commercially available.
Example 11
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that modified graphene is prepared by adopting a preparation example 2-2.
Example 12
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that modified graphene is prepared by adopting the preparation examples 2-3.
Example 13
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that modified graphene is prepared by adopting preparation examples 2-4.
Example 14
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that modified graphene is prepared by adopting preparation examples 2-5.
Example 15
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that modified graphene is prepared by adopting preparation examples 2-6.
Example 16
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that the raw material components of the modified asphalt layer comprise the following raw materials in weight: 80kg of asphalt, 25kg of polyethylene, 18kg of styrene-butadiene rubber, 15kg of ethylene-vinyl acetate, 10kg of attapulgite, 15kg of wood vinegar, 20kg of bamboo powder, 8kg of glass beads, 35kg of modified graphene, 2kg of antioxidant and 1kg of stabilizer.
Example 17
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that the raw material components of the modified asphalt layer comprise the following raw materials in weight: 100kg of asphalt, 25kg of polyethylene, 25kg of styrene-butadiene rubber, 10kg of ethylene-vinyl acetate, 20kg of attapulgite, 15kg of wood vinegar, 10kg of bamboo powder, 18kg of glass beads, 28kg of modified graphene, 3kg of antioxidant and 2kg of stabilizer.
Example 18
The difference between the high temperature resistant modified asphalt waterproof coiled material and the embodiment 1 is that nano titanium dioxide particles are not added in the pretreatment process of the glass beads.
Example 19
The high temperature resistant modified asphalt waterproof roll is different from example 1 in that the glass beads are commercially available.
Comparative example
Comparative example 1
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that the raw material components of the modified asphalt layer comprise the following raw materials in weight: 70kg of asphalt, 45kg of polyethylene, 28kg of styrene-butadiene rubber, 8kg of ethylene-vinyl acetate, 5kg of attapulgite, 30kg of wood vinegar, 8kg of bamboo powder, 6kg of glass beads, 39kg of modified graphene, 1kg of antioxidant and 3kg of stabilizer.
Comparative example 2
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that the raw material components of the modified asphalt layer comprise the following raw materials in weight: : 110kg of asphalt, 15kg of polyethylene, 12kg of styrene-butadiene rubber, 25kg of ethylene-vinyl acetate, 25kg of attapulgite, 12kg of wood vinegar, 25kg of bamboo powder, 28kg of glass beads, 25kg of modified graphene, 4kg of antioxidant and 0.5kg of stabilizer.
Comparative example 3
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that no bamboo powder is added.
Comparative example 4
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that modified graphene is not added.
Comparative example 5
The high temperature resistant modified asphalt waterproof coiled material is different from the embodiment 1 in that the modified graphene is replaced by the same amount of graphene.
Performance test
The high temperature resistant modified asphalt waterproof coiled materials prepared in examples 1 to 19 and comparative examples 1 to 5 were subjected to performance test, tensile force, elongation at maximum tensile force and high temperature resistance were tested according to the method in JC/T974-2005, and the results are shown in Table 1.
Table 1 test data for examples and comparative examples
As can be seen from Table 1, the high temperature resistant modified asphalt waterproof coiled materials prepared in the embodiment 1, the embodiment 6, the embodiment 8, the embodiment 14 and the embodiments 16-17 have better mechanical properties and high temperature resistance, wherein the data prepared in the embodiment 1 are optimal, the longitudinal tensile force is 910N/50mm, the transverse tensile force is 850N/50mm, the elongation under the longitudinal maximum tensile force is 52.3%, the elongation under the transverse maximum tensile force is 45.1%, and meanwhile, the waterproof coiled materials have no sliding, flowing and dripping at 130 ℃, so that the high temperature resistant modified asphalt waterproof coiled materials prepared in the application have better mechanical properties and high temperature resistance, and the waterproof coiled materials prepared from the modified asphalt are widely applied.
In the preparation method of the bamboo wood powder in the embodiment 2, the coconut fiber is not added, in the preparation method of the bamboo wood powder in the embodiment 3, the high methoxy pectin is not added, in the embodiment 7, the mass ratio of the bamboo, the coconut fiber and the high methoxy pectin is changed, compared with the embodiment 1, the mechanical properties are obviously reduced, the high temperature resistance is basically unchanged, the bamboo fiber has better mechanical properties, the bamboo particles can be loaded on the surface and the porous structure of the coconut fiber, the mechanical properties of the bamboo particles are improved, the high methoxy pectin has certain viscosity, the connectivity between the bamboo particles and the coconut fiber can be enhanced, the bamboo particles and the coconut fiber are tightly connected, and the bamboo, the coconut fiber and the high methoxy pectin are cooperated, so that the improvement of the corresponding mechanical properties of the bamboo wood powder is facilitated.
In the preparation method of the bamboo wood powder in example 4, no loofah fiber is added, in the preparation method of the bamboo wood powder in example 5, no chitosan is added, and in example 9, the mass ratio of the bamboo, the loofah fiber and the chitosan is changed, as compared with example 1, the mechanical properties are obviously reduced, and the high temperature resistance is basically unchanged, which indicates that the structure of the loofah fiber is grid-shaped, flexible and elastic, the particles mixed by the coconut fiber and the bamboo can be loaded in the grid of the loofah fiber, the chitosan coats the loofah fiber to a certain extent, the connectivity between the coconut fiber and the mixed particles of the bamboo and the loofah fiber can be increased, so that the mixed particles of the coconut fiber and the bamboo are firmly loaded on the loofah fiber, and the corresponding mechanical properties of the bamboo wood powder can be improved.
The bamboo wood powder in example 10 is commercially available, and compared with example 1, the mechanical properties are obviously reduced, and the high temperature resistance is basically kept unchanged, so that the bamboo wood powder prepared by the application has better properties, and is beneficial to improving the mechanical properties and the high temperature resistance of asphalt.
According to the preparation method of the modified graphene, no alumina nano particles are added, compared with the preparation method of the modified graphene, the mechanical properties are obviously reduced, the high temperature resistance is poor, sliding, flowing and dripping are avoided at 110 ℃, compared with the preparation method of the modified graphene in example 1, the alumina nano particles have better surface strength, wear resistance, corrosion resistance, insulating property and high temperature resistance, and further the corresponding properties of the graphene are affected, the preparation method of the modified graphene in example 12 is not added with an amino-containing silane coupling agent, compared with the preparation method of the modified graphene in example 1, the mechanical properties are obviously reduced, the high temperature resistance is free from sliding, flowing and dripping at 120 ℃, the mass ratio of the graphene, the alumina nano particles and the amino-containing silane coupling agent is changed in example 15, compared with the preparation method of the modified graphene in example 1, the mechanical properties are obviously reduced, the high temperature resistance is poor, the sliding, flowing and dripping are avoided at 125 ℃, the alumina nano particles are enabled to be loaded on the surface of the graphene, the amino-containing silane coupling agent and the graphene are subjected to a crosslinking reaction, and the crosslinking reaction can be enabled to be improved in the corresponding coupling structure of the graphene and the amino-containing silane coupling agent, and the modified mechanical properties are improved.
According to the preparation method of the modified graphene in the embodiment 13, silicon carbide particles are not added, and compared with the preparation method of the modified graphene in the embodiment 1, the mechanical properties are obviously reduced, and the high-temperature resistance is free from sliding, flowing and dripping at 120 ℃, so that the silicon carbide particles have higher strength, are loaded in a cross-linked network structure formed by graphene, and the mechanical strength and the high-temperature resistance of the graphene structure are enhanced.
In the pretreatment process of the glass beads of example 18, no nano titanium dioxide particles are added, and compared with example 1, the mechanical properties are obviously reduced, and the high temperature resistance is free from sliding, flowing and dripping at 110 ℃, so that the nano titanium dioxide particles can be loaded in the pores on the surfaces of the glass beads, and the mechanical properties and the high temperature resistance of the glass beads are improved.
The glass beads of example 19 are commercially available, and compared with example 1, the glass beads have obviously smaller mechanical properties, and the high temperature resistance is free from sliding, flowing and dripping at 100 ℃, so that the glass beads prepared by the application have better properties, and are beneficial to improving the mechanical properties and the high temperature resistance of asphalt.
Comparative examples 1-2 the raw material amounts of the high temperature resistant modified asphalt waterproof coiled material are changed, and compared with example 1, the tensile force, the elongation under the maximum tensile force and the high temperature resistant performance are greatly reduced, which shows that each raw material component is mixed according to a certain content ratio so that the high temperature resistant modified asphalt waterproof coiled material has better mechanical property and high temperature resistant performance, and the change of the raw material amounts affects the corresponding performance of the high temperature resistant modified asphalt waterproof coiled material.
Comparative example 3, in which no bamboo powder was added, shows that the elongation at the tensile force and the maximum tensile force are greatly reduced, and the high temperature resistance is basically maintained, compared with example 1, showing that the bamboo powder obviously affects the mechanical properties of the high temperature resistant modified asphalt waterproof coiled material; compared with the embodiment 1, the tensile force, the elongation percentage under the maximum tensile force and the high temperature resistance are greatly reduced in the comparative example 4 without adding the modified graphene, which shows that the mechanical property and the high temperature resistance of the high temperature resistant modified asphalt waterproof coiled material are obviously affected by the addition of the modified graphene; compared with the embodiment 1, the modified graphene in the comparative example 5 is replaced by equivalent graphene, and the tensile force, the elongation percentage under the maximum tensile force and the high temperature resistance are greatly reduced, so that the modified graphene has better mechanical property and high temperature resistance, and further the corresponding performance of the high temperature resistant modified asphalt waterproof coiled material is influenced.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (10)
1. The high-temperature-resistant modified asphalt waterproof coiled material is characterized by comprising a base layer, a modified asphalt layer and a PE film which are sequentially arranged, wherein the modified asphalt layer comprises the following raw materials in parts by weight: 80-100 parts of asphalt, 25-35 parts of polyethylene, 18-25 parts of styrene-butadiene rubber, 10-15 parts of ethylene-vinyl acetate, 10-20 parts of attapulgite, 15-25 parts of wood vinegar, 10-20 parts of bamboo powder, 8-18 parts of glass beads, 28-35 parts of modified graphene, 2-3 parts of antioxidant and 1-2 parts of stabilizer.
2. The high-temperature-resistant modified asphalt waterproof coiled material according to claim 1, wherein the preparation method of the bamboo powder comprises the following steps:
(1) Cutting bamboo, pulverizing, soaking in lime water for 1-2 hr, washing with water, filtering, adding into sodium hydroxide solution, stirring for 30-45min, washing with water, and filtering to obtain powder particles;
(2) Dispersing the powder particles treated in the step (1) in absolute ethyl alcohol, adding coconut fibers, stirring for 2-3 hours at 65-70 ℃, adding high methoxyl pectin, stirring for 30-35min, filtering, drying and grinding to obtain treated powder particles;
(3) Grinding and sieving the luffa fiber, dispersing in deionized water, adding the powder particles treated in the step (2), adding chitosan and malic acid, stirring for 1-3h, filtering, and drying to obtain bamboo wood powder.
3. The high-temperature-resistant modified asphalt waterproof coiled material according to claim 2, wherein the mass ratio of the bamboo to the coconut fiber to the high-methoxy pectin is 1:0.4-0.6:0.1-0.3.
4. The high-temperature-resistant modified asphalt waterproof coiled material according to claim 2, wherein the mass ratio of the bamboo to the loofah fiber to the chitosan is 1:0.5-0.8:0.08-0.2.
5. The high temperature resistant modified asphalt waterproof coiled material according to claim 1, wherein the pretreatment of the glass beads comprises the following steps: soaking the hollow glass beads in hydrogen peroxide for 1-2 hours at the temperature of 120-150 ℃, washing with water, then adding nano titanium dioxide particles, stirring for 15-20 minutes, washing with water, and drying to obtain the pretreated hollow glass beads.
6. The high-temperature-resistant modified asphalt waterproof coiled material according to claim 1, wherein the preparation method of the modified graphene comprises the following steps:
(1) Dispersing graphene in absolute ethyl alcohol, performing ultrasonic treatment for 1-2 hours, adding alkylphenol polyoxyethylene sodium sulfate, and continuing ultrasonic treatment for later use;
(2) Adding alumina nano particles into the graphene solution treated in the step (1), stirring for 1-2h, then adding an amino-containing silane coupling agent, and stirring for 2-3h for later use;
(3) And (3) adding silicon carbide particles into the graphene solution treated in the step (2), and stirring for 1-2h to obtain the modified graphene.
7. The high-temperature-resistant modified asphalt waterproof coiled material according to claim 6, wherein the mass ratio of the graphene to the alumina nano particles to the amino-containing silane coupling agent is 1:0.1-0.3:0.05-0.1.
8. The high-temperature-resistant modified asphalt waterproof coiled material according to claim 1, wherein the stabilizer is one or more selected from vinyltriethoxysilane, vinyltrichlorosilane and vinyltrimethoxysilane.
9. The high-temperature-resistant modified asphalt waterproof coiled material according to claim 1, wherein the antioxidant is one or more selected from the group consisting of dibutyl hydroxy toluene, butyl hydroxy anisole, propyl gallate and tertiary butyl hydroquinone.
10. The method for preparing a high temperature resistant modified asphalt waterproof coiled material according to any one of claims 1 to 9, comprising the steps of: uniformly mixing asphalt, polyethylene, styrene-butadiene rubber, ethylene-vinyl acetate attapulgite, wood vinegar, bamboo powder, glass beads, modified graphene, an antioxidant and a stabilizer, and carrying out melt extrusion to obtain a sheet, then adhering the sheet on a base layer, adhering a PE film on one side of the sheet far away from the base layer, and then drying to obtain the high-temperature-resistant modified asphalt waterproof coiled material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310794308.7A CN116749610A (en) | 2023-06-30 | 2023-06-30 | High-temperature-resistant modified asphalt waterproof coiled material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117343418A (en) * | 2023-11-14 | 2024-01-05 | 云南欣城防水科技有限公司 | Ageing-resistant graphene composite HDPE waterproof coiled material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117343418A (en) * | 2023-11-14 | 2024-01-05 | 云南欣城防水科技有限公司 | Ageing-resistant graphene composite HDPE waterproof coiled material and preparation method thereof |
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