CN118185470A - Hot-melt rubber asphalt waterproof coating with obviously improved peel strength, and preparation method and application thereof - Google Patents
Hot-melt rubber asphalt waterproof coating with obviously improved peel strength, and preparation method and application thereof Download PDFInfo
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- CN118185470A CN118185470A CN202410256933.0A CN202410256933A CN118185470A CN 118185470 A CN118185470 A CN 118185470A CN 202410256933 A CN202410256933 A CN 202410256933A CN 118185470 A CN118185470 A CN 118185470A
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- asphalt
- waterproof
- waterproof coating
- styrene
- melt rubber
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- 239000010426 asphalt Substances 0.000 title claims abstract description 181
- 229920001971 elastomer Polymers 0.000 title claims abstract description 94
- 239000005060 rubber Substances 0.000 title claims abstract description 94
- 238000000576 coating method Methods 0.000 title claims abstract description 88
- 239000011248 coating agent Substances 0.000 title claims abstract description 85
- 239000012943 hotmelt Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 75
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 61
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims abstract description 19
- 239000011247 coating layer Substances 0.000 claims abstract description 18
- 239000003607 modifier Substances 0.000 claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims abstract description 17
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 15
- 239000003973 paint Substances 0.000 claims description 49
- 239000003921 oil Substances 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 11
- 239000003208 petroleum Substances 0.000 claims description 10
- 238000004078 waterproofing Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 238000004901 spalling Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000011398 Portland cement Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims description 2
- 239000010692 aromatic oil Substances 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 239000010705 motor oil Substances 0.000 claims description 2
- 239000004209 oxidized polyethylene wax Substances 0.000 claims description 2
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 150000003505 terpenes Chemical class 0.000 claims description 2
- 235000007586 terpenes Nutrition 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract description 31
- 230000014759 maintenance of location Effects 0.000 abstract description 8
- 238000002791 soaking Methods 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000010276 construction Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 239000002994 raw material Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000007654 immersion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 229920000587 hyperbranched polymer Polymers 0.000 description 3
- 229920005672 polyolefin resin Polymers 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012745 toughening agent Substances 0.000 description 3
- XPVIQPQOGTVMSU-UHFFFAOYSA-N (4-acetamidophenyl)arsenic Chemical compound CC(=O)NC1=CC=C([As])C=C1 XPVIQPQOGTVMSU-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920006978 SSBR Polymers 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 239000002998 adhesive polymer Substances 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229920013640 amorphous poly alpha olefin Polymers 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000003375 sulfoxide group Chemical group 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- 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
-
- 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
- B32B2419/00—Buildings or parts thereof
- B32B2419/06—Roofs, roof membranes
-
- 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
- B32B2607/00—Walls, panels
- B32B2607/02—Wall papers, wall coverings
-
- 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
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a hot melt rubber asphalt waterproof coating with obviously improved peeling strength, a preparation method and application thereof. The waterproof coating comprises asphalt, tackifying resin, softening oil, a polymer modifier, an inorganic anti-stripping agent and an organic anti-stripping agent, wherein the pH value of the inorganic anti-stripping agent is 12-14, the polymer modifier is a linear styrene-butadiene-styrene block copolymer and styrene-butadiene rubber, and the mass ratio of the asphalt, the tackifying resin, the softening oil, the linear styrene-butadiene-styrene block copolymer and the styrene-butadiene rubber is 30-40:5-10:15-25:4-7:2-4. The waterproof coating can be used for waterproof laminates, and comprises a substrate layer, a waterproof coating layer, an asphalt-based waterproof coiled material layer, or an asphalt-based waterproof coiled material layer, a waterproof coating layer and an asphalt-based waterproof coiled material layer. The waterproof coating has excellent adhesive property with a cement base layer or an asphalt base waterproof coiled material, and has excellent peel strength and retention rate of peel strength after soaking.
Description
The invention discloses a high-adhesion hot-melt rubber asphalt waterproof coating, a preparation method thereof and a divisional application of a waterproof laminate, wherein the application date is 2023, 03 and 02, and the application number is 202310191447.0.
Technical Field
The invention relates to a hot melt rubber asphalt waterproof coating with obviously improved peeling strength, a preparation method and application thereof.
Background
In recent years, a 'coil' composite waterproof system formed by non-cured rubber asphalt waterproof paint and asphalt-based waterproof coiled materials is widely applied in the field of domestic building waterproof. The waterproof system can fully exert the respective advantages of the waterproof coiled material and the waterproof coating, and the constructed integral closed waterproof system can effectively prevent the hidden trouble of water channeling between the composite waterproof layer and the base layer. However, the non-cured rubber asphalt waterproof paint has the following defects: 1) The coating is never solidified, and has the characteristics of easy deformation and flowing at high temperature, thereby limiting the application of the coating in the waterproof fields of sloping roofs, vertical walls, composite exposed coiled materials and the like; 2) Because the non-cured rubber asphalt waterproof paint has lower strength, the bonding strength between the coiled material and the base layer is smaller, and the coiled material can well seal cracks and capillary holes of the base layer, but cannot resist water pressure, when the non-cured rubber asphalt waterproof paint is applied to underground waterproof engineering with pressure-bearing water, a basement side wall or a paint layer cannot reach the standard required thickness, the stripping of the base layer and the waterproof coiled material layer is extremely easy to occur, so that the leakage of a 'coated coil' composite waterproof system is caused; 3) Because the non-cured rubber asphalt waterproof coating can not bond two layers of asphalt-based waterproof coiled materials, lap joint of the asphalt-based waterproof coiled materials can not be realized, and the lap joint edge of the asphalt-based waterproof coiled materials still needs to be treated independently after construction is finished to the 'coil coating' composite waterproof system of the non-cured rubber asphalt waterproof coating at present, so that the construction efficiency is affected.
While hot melt rubber asphalt waterproof coatings may avoid some of the disadvantages of non-cured rubber asphalt waterproof coatings. In order to further improve the high-temperature performance of the hot-melt rubber asphalt waterproof paint, a polymer modifier is usually added for modification in the prior art, but when the addition amount of the polymer modifier is large, the cohesion of the waterproof paint product is increased, the creep property is poor, and the bonding performance of the waterproof paint product and a cement base layer, especially a cement base layer which is not firm in a plane and has floating ash (the situation is common in the actual waterproof construction process) is poor.
The invention discloses a hot-melt rubber asphalt waterproof paint, a preparation method thereof and Chinese patent CN112745765A applied thereto, which comprises the following components: 50-70 parts of asphalt, 10-15 parts of plasticizer, 10-15 parts of rubber, 5-10 parts of olefin resin, 5-8 parts of toughening agent and 0.1-1 part of defoamer. Wherein the rubber, the olefin resin and the toughening agent all constitute a polymer modifier, and the total amount of the rubber, the olefin resin and the toughening agent is 20-33 parts by weight, and although the waterproof coating has excellent puncture resistance, elastic recovery rate and water impermeability, the bonding effect between the coiled materials and the cement base layer of the waterproof coating is still to be improved.
Chinese patent CN114921226a, entitled hot-melt rubber asphalt waterproof paint, method for preparing same, and hot-melt rubber asphalt waterproof paint sealing tape and waterproof roll lapping method, discloses a hot-melt rubber asphalt waterproof paint comprising the following components: 60-80 parts of 90# asphalt, 5-10 parts of 200# asphalt, 5-10 parts of softener, 3-8 parts of polyethylene wax, 12-16 parts of star-shaped SBS, 1-3 parts of SSBR, 10-15 parts of rubber powder, 0.05-0.1 part of rubber activator, 1-5 parts of hyperbranched polymer, 5-10 parts of APAO, 5-9 parts of C9 petroleum resin and 10-15 parts of filler. Wherein the polyethylene wax, the star SBS, the SSBR, the rubber powder, the hyperbranched polymer and the APAO form a polymer modifier, and the total amount is 32-57 parts by weight. The waterproof coating adopts hyperbranched polymer with special functional groups, has good strength and water pressure resistance, can resist 0.3MPa water pressure when the thickness of a coating film is 2mm, can solve the problem of short-side lap joint of modified asphalt waterproof coiled materials of fine sand and mineral grains, but the bonding effect of the waterproof coating between coiled materials and a cement base layer is still to be improved, and the peeling strength retention rate of the waterproof coating in a peeling state and after soaking is not enough.
The invention discloses a hot-melt rubber asphalt waterproof paint and a Chinese patent CN114231178A of a preparation method thereof, wherein the hot-melt rubber asphalt waterproof paint comprises the following components: 100-105 parts of petroleum asphalt, 8-12 parts of modifier, 2-4 parts of tackifier, 1.5-3 parts of functional auxiliary agent, 14-20 parts of compatilizer and 66-80 parts of filler. Although the waterproof coating solves the defects of weak lap joint of coiled materials, sagging in vertical wall construction, falling off of composite coiled materials, incapability of independent single-pass use and the like caused by low cohesive strength and adhesive strength, intolerance to water pressure and the like of the hot-melt non-cured rubber asphalt waterproof coating, the peeling strength of the waterproof coating between the coiled materials and a cement base layer, the peeling state and the peeling strength retention rate after soaking are still to be improved and improved.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the hot melt rubber asphalt waterproof coating with obviously improved peeling strength. The waterproof coating has excellent bonding performance with a cement base layer or an asphalt-based waterproof coiled material, and can obviously improve the peeling strength of the waterproof coiled material and the cement base layer and the peeling strength and peeling strength retention rate after soaking on the premise of ensuring excellent extensibility and high and low temperature performance when being used for bonding the cement base layer and the waterproof coiled material.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
The hot-melt rubber asphalt waterproof paint comprises asphalt, tackifying resin, softening oil and a polymer modifier, wherein the hot-melt rubber asphalt waterproof paint further comprises an inorganic anti-stripping agent and an organic anti-stripping agent, the pH value of the inorganic anti-stripping agent is 12-14, the polymer modifier is a linear styrene-butadiene-styrene block copolymer (SBS) and styrene-butadiene rubber (SBR), and the mass ratio of asphalt, tackifying resin, softening oil, linear styrene-butadiene-styrene block copolymer and styrene-butadiene rubber is 30-40:5-10:15-25:4-7:2-4.
In some embodiments of the invention, the mass ratio of bitumen, tackifying resin, softening oil, linear styrene-butadiene-styrene block copolymer and styrene butadiene rubber is from 35 to 40:5-10:20-25:4-6:2-3.
In some embodiments of the invention, the inorganic anti-spalling agent is selected from portland cement and/or slaked lime.
In some embodiments of the invention, the organic antistripping agent has a flash point of 200 ℃ or above, and the organic antistripping agent is selected from amine antistripping agents or non-amine antistripping agents. The organic anti-stripping agent can be liquid or solid.
In some embodiments of the invention, the mass ratio of the asphalt to the inorganic anti-spalling agent is from 30 to 40:5-10.
In some embodiments of the invention, the mass ratio of the bitumen to the organic anti-spalling agent is from 30 to 40:0.2-1.0.
In some embodiments of the invention, the bitumen is selected from the group consisting of one or more of 70# bitumen, 90# bitumen, and 110# bitumen.
In some embodiments of the invention, the linear styrene-butadiene-styrene block copolymer is in the form of particles.
In some embodiments of the invention, the styrene-butadiene rubber is in powder form.
In some embodiments of the invention, the tackifying resin is selected from the group consisting of one or more of C5 petroleum resins, C9 petroleum resins, C5C9 copolymerized petroleum resins, terpene resins, and hydrogenated petroleum resins.
In some embodiments of the invention, the softening oil is selected from the group consisting of one or more of aromatic oils, naphthenic oils, white oils, and motor oils.
In some embodiments of the invention, the hot melt rubber asphalt waterproofing paint further comprises a high Wen Chuji and a filler, the high temperature adjuvant having a melt point of 115-135 ℃. The high-temperature auxiliary agent can improve the high-temperature performance of the hot-melt rubber asphalt waterproof coating, so that the high-temperature auxiliary agent is melted into a liquid state when the coating is higher than the melting point of the high-temperature auxiliary agent, the lubricant of the coating is acted, and when the melting point of the high auxiliary agent is lower than the melting point of the high auxiliary agent Wen Chuji, the high Wen Chuji melted and dispersed in the system can be crystallized and separated out to form a stable netlike lattice structure, and the molecular movement of the system is blocked, so that the high-temperature resistance of the coating is improved.
In some embodiments of the invention, the mass ratio of the asphalt to the high temperature adjuvant is 30-40:2-8.
In some embodiments of the invention, the mass ratio of the bitumen to the filler is from 30 to 40:20-30.
In some embodiments of the invention, the hot melt rubber asphalt waterproofing paint further comprises a high Wen Chuji and a filler, wherein the mass ratio of asphalt, tackifying resin, softening oil, linear styrene-butadiene-styrene block copolymer, styrene-butadiene rubber, high Wen Chuji, inorganic anti-stripping agent, organic anti-stripping agent and filler is 30-40:5-10:15-25:4-7:2-4:2-8:5-10:0.2-1.0:20-30.
In some embodiments of the present invention, the high temperature co-agent is selected from the group consisting of oxidized polyethylene wax powder, modified polypropylene wax powder, and polyamide wax powder, and has a melt drop point of 115-135 ℃.
In some embodiments of the invention, the filler is selected from the group consisting of one or more of heavy calcium carbonate, light calcium carbonate, talc, and mica powder.
In some embodiments of the invention, the hot melt rubber asphalt waterproofing paint has a viscosity of 140 °c of
3000-8000mPa.s。
The hot-melt rubber asphalt waterproof coating improves the adhesive property between an asphalt-based waterproof coiled material and a cement base layer or between the asphalt-based waterproof coiled material and the asphalt-based waterproof coiled material through the following two aspects, so that high adhesive force is realized: 1) The inorganic anti-stripping agent and the organic anti-stripping agent with the pH value of 12-14 are added into the components of the waterproof coating, and the inorganic anti-stripping agent and the organic anti-stripping agent can synergistically improve the bonding performance of the waterproof coating and a cement base layer, and the mechanism is as follows: the inorganic stripping-resistant agent is strongly alkaline, and the asphalt contains a small amount of carboxylic acid and sulfoxide groups, so that the asphalt is weakly acidic, therefore, when the inorganic stripping-resistant agent is uniformly distributed in the hot melt rubber asphalt waterproof coating, the inorganic stripping-resistant agent reacts with asphalt which is a main component in the coating to generate products with stronger adsorptivity, and the products can be firmly adhered on the surface of a cement base layer without stripping; the organic anti-stripping agent is a surfactant, and has polar end groups and nonpolar end groups in molecules, and respectively has extremely strong binding force with molecules of polar cement base layers and nonpolar paint, so that the organic anti-stripping agent can erect a molecular bridge which is mutually connected between two interfaces of the paint and the cement base layers, and can mutually and closely adhere two materials which are not mutually compatible by virtue of the molecular bridge, thereby forming anti-stripping function and effect; 2) The hot-melt rubber asphalt waterproof coating has proper cohesive force by controlling the dosage of the polymer modifier in the waterproof coating, so that the peeling strength of the asphalt-based waterproof coiled material and the cement base layer or the asphalt-based waterproof coiled material and the asphalt-based waterproof coiled material reaches more than 2.0N/mm (the non-cured rubber asphalt waterproof coating is only about 0.5N/mm), and the damage form is cohesive failure. If the cohesive force of the waterproof coating is increased and the creep property is poor, the waterproof coating has poor bonding performance with a cement base layer, especially a cement base layer with an infirm plane and floating ash (the situation is common in practical waterproof construction), and a peeling experiment shows that an interface is damaged, namely the waterproof coating cannot seal cracks and capillary holes of the base layer, once water seepage occurs, the waterproof coating and the cement base layer are very easy to separate; if the cohesive force of the waterproof paint is smaller and the creep property is better, the waterproof paint is the non-cured rubber asphalt waterproof paint, which has a series of problems described in the background technology; 3) The inorganic anti-stripping agent can generate hydration reaction when meeting water, and the reaction product can further react with a cement base layer to strengthen the bonding strength of the hot melt rubber asphalt waterproof paint and the cement base layer; the hydrophilic end (amino, carboxyl and the like) of the organic anti-stripping agent can react with an alkaline cement base layer after meeting water, and the bonding strength of the hot melt rubber asphalt waterproof paint and the cement base layer is further enhanced. Namely, the inorganic anti-stripping agent and the organic anti-stripping agent have the function of improving the bonding performance of the hot melt rubber asphalt waterproof coating and the cement base layer, so that the retention rate of the peel strength of the waterproof coating and the cement base layer after soaking is more than 90 percent (generally, the retention rate of the peel strength of the oil-based coating and the water-based coating after soaking is lower than 60 percent).
The invention further provides a preparation method of the hot melt rubber asphalt waterproof paint, which comprises the following steps:
1) Uniformly mixing the asphalt, the tackifying resin and the softening oil and heating to obtain an asphalt mixture;
2) Adding the polymer modifier to the asphalt mixture, and melting and dispersing the polymer modifier into the asphalt mixture under heating and stirring;
3) Adding Wen Chuji, heating and stirring to enable the high-temperature auxiliary agent to be melted and dispersed;
4) Adding an inorganic anti-stripping agent and an organic anti-stripping agent, heating and stirring to uniformly disperse the inorganic anti-stripping agent and the organic anti-stripping agent;
5) Adding filler, heating and stirring to disperse the filler uniformly to obtain the hot melt rubber asphalt waterproof coating
In some embodiments of the invention, the temperature of the heating in step 1) is 135-160 ℃.
In some embodiments of the invention, the temperature of the heating in step 2) is 170-185 ℃.
In some embodiments of the invention, the stirring in step 2) is for a period of time ranging from 1 to 5 hours.
In some embodiments of the invention, the temperature of the heating in step 3) is 170-185 ℃.
In some embodiments of the invention, the stirring in step 3) is for a period of time ranging from 1 to 4 hours.
In some embodiments of the invention, the temperature of the heating in step 4) is 170-185 ℃.
In some embodiments of the invention, the stirring in step 4) is for a period of time ranging from 1 to 4 hours.
In some embodiments of the invention, the temperature of the heating in step 5) is 170-185 ℃.
In some embodiments of the invention, the stirring in step 5) is for a period of time ranging from 1 to 4 hours.
The invention still further provides a waterproof laminate comprising a substrate layer, a waterproof coating layer, an asphalt-based waterproof roll layer, the waterproof coating layer being formed from the aforementioned hot melt rubber asphalt waterproof coating.
Further, the waterproof coating is formed by coating the hot melt rubber asphalt waterproof coating on a substrate layer.
Further, the waterproof laminate is prepared by bonding an asphalt-based waterproof roll to the waterproof coating layer.
Preferably, the asphalt-based waterproof roll is selected from SBS waterproof roll or APP waterproof roll. The surfaces of the two waterproof coiled materials are not provided with isolating films, and can be directly adhered to the waterproof coating on the substrate layer.
Further, the waterproof laminate is prepared by removing the separator of the asphalt-based waterproof roll and then adhering to the waterproof coating layer.
Preferably, the asphalt-based waterproof coiled material is selected from a wet-laid waterproof coiled material or a self-adhesive polymer modified asphalt waterproof coiled material. The surfaces of the two waterproof coiled materials are provided with isolating films, the isolating films are removed, and the isolating films are adhered to the waterproof coating on the substrate layer after the adhesive layers in the isolating films are exposed.
Further, the substrate layer is a building face.
Preferably, the building surface is a roof, a garage roof or a basement side wall.
The invention still further provides a waterproof laminate comprising a first asphalt-based waterproof roll layer, a waterproof coating layer and a second asphalt-based waterproof roll layer, wherein the waterproof coating layer is formed by the hot melt rubber asphalt waterproof coating.
Further, the waterproof coating is formed by coating the hot melt rubber asphalt waterproof coating on the first asphalt-based waterproof coiled material.
Further, the waterproof laminate is prepared by bonding a second asphalt-based waterproof roll to the waterproof coating layer.
Since the asphalt-based waterproof roll is generally rectangular in shape having long sides and short sides, in actual construction, it is necessary to splice a plurality of asphalt-based waterproof rolls so as to cover all areas of a target building, and when the asphalt-based waterproof roll is spliced, the long sides (or short sides) of one asphalt-based waterproof roll are overlapped on the long sides (or short sides) of another asphalt-based waterproof roll, and the aforementioned waterproof laminate structure including the first asphalt-based waterproof roll layer, the waterproof coating layer, and the second asphalt-based waterproof roll layer is formed at the splice.
In some embodiments of the present invention, the hot-melt rubber asphalt waterproof coating is heated to 160-200 ℃, then uniformly coated on the building surface, the asphalt-based waterproof coiled material is immediately bonded to the waterproof coating while hot (wherein the wet-laid waterproof coiled material and the self-adhesive polymer modified asphalt waterproof coiled material are required to be removed after the isolating film is removed, then the hot-melt rubber asphalt waterproof coating is subjected to paving construction), finally the hot-melt rubber asphalt waterproof coating heated to 160-200 ℃ is uniformly coated between two layers of waterproof coiled materials with long and short bridging edges of the asphalt-based waterproof coiled material, and the bridging edges are immediately compacted while hot, so that the bridging edge construction is completed, and then the waterproof building can be prepared.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
According to the invention, the inorganic anti-stripping and organic anti-stripping agents with the pH value of 12-14 are added into the waterproof coating, and through the synergistic effect of the inorganic anti-stripping and organic anti-stripping agents, the dosage of the polymer modifier in the waterproof coating is controlled, so that the waterproof coating has proper cohesive force, the bonding strength between the hot-melt rubber asphalt waterproof coating and a base layer is greater than 0.2MPa when a waterproof laminated body is formed by the hot-melt rubber asphalt waterproof coating, the peeling strength between the waterproof coiled material and the peeling strength between the waterproof coiled material and the cement base layer are tested, the peeling strength between the coiled material and the coiled material is greater than 2.0N/mm, the peeling strength between the coiled material and the cement base layer is greater than 2.5N/mm (the existing non-cured rubber asphalt waterproof coating is about 0.5N/mm), and the peeling strength retention rate of the waterproof laminated body after water immersion is obviously improved, and the peeling strength retention rate between the coiled material and the cement base layer is above 90%, so that the waterproof effect and service life of a building are greatly improved.
The hot-melt rubber asphalt waterproof coating has excellent high and low temperature resistance, the heat resistance temperature is up to 90 ℃, the cold resistance temperature is as low as-30 ℃, and the hot-melt rubber asphalt waterproof coating can be greatly suitable for the use requirements of different areas and different environments.
The waterproof laminate comprises a substrate layer, a waterproof coating layer and an asphalt-based waterproof coiled material layer, or an asphalt-based waterproof coiled material layer, a waterproof coating layer and an asphalt-based waterproof coiled material layer, wherein the waterproof coating layer is formed by the hot melt rubber asphalt waterproof coating. Namely, the hot melt rubber asphalt waterproof coating can be used for replacing non-cured rubber asphalt waterproof coating to be applied to large-area waterproof construction of buildings, and can also be applied to sealing waterproof construction of joint edges of asphalt-based waterproof coiled materials.
The hot-melt rubber asphalt waterproof coating can be applied to the waterproofing of the planes and the vertical surfaces of various buildings, and solves the problems of poor heat resistance and small cohesive force (small peeling strength between a waterproof coiled material and a cement base layer) of the non-cured rubber asphalt waterproof coating and the problem of complicated construction of the water emulsion type asphalt-based waterproof coating.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a graph showing the peel strength of the webs of example 1 and comparative example 1 and the failure mode comparison after the web to base layer peel strength test.
Fig. 2 and 3 are schematic structural diagrams of two waterproof laminates.
1, An asphalt-based waterproof coiled material layer; 2. a high-cohesive-force hot-melt rubber asphalt waterproof paint layer; 3. and (3) building a cement base layer.
Fig. 4 is a schematic view of the waterproof coating material of the present invention used for asphalt-based waterproof coiled material construction, wherein the black frame portion is a splice of asphalt-based waterproof coiled materials, constituting a second waterproof laminate structure of the present invention.
Detailed Description
The following detailed description of the present invention is provided in connection with specific embodiments so that those skilled in the art may better understand and practice the present invention, but is not intended to limit the scope of the present invention.
Example 1
The hot-melt rubber asphalt waterproof paint with obviously improved peel strength is provided in the example, the raw material composition is shown in table 1, and the preparation method is as follows:
Uniformly mixing asphalt, tackifying resin and softening oil, and heating to 150 ℃; adding linear styrene-butadiene-styrene block copolymer SBS and styrene butadiene rubber SBR particles, uniformly stirring, heating to 180 ℃, and stirring for 3 hours; adding Wen Chuji, maintaining 180 ℃, and stirring for 1h; adding an inorganic anti-stripping agent and an organic anti-stripping agent, maintaining 180 ℃, and stirring for 1h; adding filler, maintaining 180 ℃, and stirring for 2 hours; cooling to 150 ℃ and discharging to obtain the hot melt rubber asphalt waterproof coating product.
Examples 2 to 5
This example provides a hot melt rubber asphalt waterproof paint with significantly improved peel strength, which is prepared by the same process as in example 1, except that the raw material composition is different from that of example 1, and the specific composition is shown in table 1.
Comparative example 1
The present example provides a hot melt rubber asphalt waterproof paint with significantly improved peel strength, the preparation process of which is the same as that of example 1, except that the raw material composition is different from that of example 1, specifically, inorganic anti-stripping agent and organic anti-stripping agent are not added.
Comparative example 2
The present example provides a hot melt rubber asphalt waterproof paint with significantly improved peel strength, the preparation process of which is the same as that of example 1, except that the raw material composition is different from that of example 1, specifically, no inorganic anti-peeling agent is added.
Comparative example 3
The present example provides a hot melt rubber asphalt waterproof paint with significantly improved peel strength, the preparation process of which is the same as that of example 1, except that the raw material composition is different from that of example 1, specifically, no organic anti-peeling agent is added.
Comparative example 4
The present example provides a hot-melt rubber asphalt waterproof coating with significantly improved peel strength, and the preparation process is the same as that of example 2, except that the raw material composition is different from that of example 2, specifically increasing the amounts of SBS and SBR.
Comparative example 5
This example provides a commercially available non-cured rubber asphalt waterproofing paint product.
Table 1 raw material composition of the hot melt rubber asphalt waterproofing paint of each example and comparative example
The hot-melt rubber asphalt waterproof paint of examples 1 to 5 and comparative examples 1 to 5 was subjected to performance test according to the standard JC/T2678-2022 "hot-melt rubber asphalt waterproof paint", the determination of the broken form was performed according to the adhesion performance test method in the standard JCT 2428-2017 "non-cured rubber asphalt waterproof paint", the peel strength of the coil and the coil before and after immersion and the peel strength sample preparation of the coil and the base layer were performed according to the standard JC/T2678-2022 "hot-melt rubber asphalt waterproof paint", the peel strength of the coil and the peel strength sample test method of the base layer before immersion were performed according to the standard JC/T2678-2022 "hot-melt rubber asphalt waterproof paint", the peel strength sample test method of the coil and the coil after immersion was performed according to the standard GBT 35467-2017 "wet-laid waterproof coil", the peel strength sample test method of the coil and the base layer after immersion was performed according to the standard JCT 1069-2008 "asphalt base layer waterproof coil treatment agent", and the test results are shown in table 2.
Table 2 Performance results of the hot melt rubber asphalt waterproofing coatings of examples and comparative examples
As can be seen from table 2, the hot-melt rubber asphalt waterproof coating material with significantly improved peel strength of the present invention has a suitable cohesive force, and when a waterproof laminate is formed with a waterproof roll and a cement base layer (the waterproof laminate includes a base material layer, a waterproof coating layer, an asphalt-based waterproof roll layer, or an asphalt-based waterproof roll layer, a waterproof coating layer, an asphalt-based waterproof roll layer), peel properties test of the waterproof roll and the waterproof roll, and peel properties test of the waterproof roll and the cement base layer are performed, the peel strength is greater than 2.0N/mm (the non-cured rubber asphalt waterproof coating material is about 0.5N/mm), and both are cohesive failure. According to the invention, the inorganic anti-stripping agent and the organic anti-stripping agent are added, and the dosage of the polymer modifier is controlled, so that the excellent adhesive property of the waterproof laminated body and the adhesive property after soaking can be realized.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the present invention and implement the same according to the present invention, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
Claims (11)
1. The hot melt rubber asphalt waterproof paint comprises asphalt, tackifying resin, softening oil and a polymer modifier, and is characterized in that: the hot-melt rubber asphalt waterproof coating also comprises an inorganic anti-stripping agent and an organic anti-stripping agent, wherein the pH value of the inorganic anti-stripping agent is 12-14, the polymer modifier is a linear styrene-butadiene-styrene block copolymer and styrene-butadiene rubber, and the mass ratio of asphalt, tackifying resin, softening oil, linear styrene-butadiene-styrene block copolymer and styrene-butadiene rubber is 30-40:5-10:15-25:4-7:2-4.
2. The hot melt rubber asphalt waterproof paint according to claim 1, wherein: the mass ratio of the asphalt, the tackifying resin, the softening oil, the linear styrene-butadiene-styrene block copolymer and the styrene-butadiene rubber is 35-40:5-10:20-25:4-6:2-3.
3. The hot melt rubber asphalt waterproof paint according to claim 1, wherein: the inorganic anti-spalling agent is selected from Portland cement and/or slaked lime; and/or the organic antistripping agent has a flash point of 200 ℃ or higher, and the organic antistripping agent is selected from amine antistripping agents or non-amine antistripping agents; and/or the mass ratio of the asphalt to the inorganic anti-stripping agent is 30-40:5-10; and/or the mass ratio of the asphalt to the organic anti-stripping agent is 30-40:0.2-1.0.
4. The hot melt rubber asphalt waterproof paint according to claim 1, wherein: the asphalt is selected from one or more of 70# asphalt, 90# asphalt and 110# asphalt; and/or, the linear styrene-butadiene-styrene block copolymer is particulate; and/or, the styrene-butadiene rubber is in a powder form; and/or the tackifying resin is selected from one or more combinations of C5 petroleum resins, C9 petroleum resins, C5C9 copolymerized petroleum resins, terpene resins, and hydrogenated petroleum resins; and/or the softening oil is selected from one or more of aromatic oil, naphthenic oil, white oil and engine oil.
5. The hot melt rubber asphalt waterproof paint according to claim 1, wherein: the hot melt rubber asphalt waterproof coating also comprises a high Wen Chuji and a filler, wherein the melting point of the high-temperature auxiliary agent is 115-135 ℃.
6. The hot melt rubber asphalt waterproof paint according to claim 5, wherein: the mass ratio of the asphalt to the high-temperature auxiliary agent is 30-40:2-8; and/or the mass ratio of the asphalt to the filler is 30-40:20-30.
7. The hot melt rubber asphalt waterproof paint according to claim 1, wherein: the hot-melt rubber asphalt waterproof coating also comprises a high Wen Chuji and a filler, wherein the mass ratio of asphalt, tackifying resin, softening oil, linear styrene-butadiene-styrene block copolymer, styrene-butadiene rubber, high Wen Chuji, inorganic anti-stripping agent, organic anti-stripping agent and filler is 30-40:5-10:15-25:4-7:2-4:2-8:5-10:0.2-1.0:20-30.
8. The hot melt rubber asphalt waterproofing paint according to any one of claims 5 to 7, characterized in that: the high-temperature auxiliary agent is selected from one or a combination of more of oxidized polyethylene wax powder, modified polypropylene wax powder and polyamide wax powder; and/or the filler is selected from one or a combination of a plurality of heavy calcium carbonate, light calcium carbonate, talcum powder and mica powder.
9. A process for preparing the hot melt rubber asphalt waterproofing paint according to any one of claims 5 to 8, characterized in that: the method comprises the following steps:
1) Uniformly mixing the asphalt, the tackifying resin and the softening oil and heating to obtain an asphalt mixture;
2) Adding the polymer modifier to the asphalt mixture, and melting and dispersing the polymer modifier into the asphalt mixture under heating and stirring;
3) Adding Wen Chuji, heating and stirring to enable the high-temperature auxiliary agent to be melted and dispersed;
4) Adding an inorganic anti-stripping agent and an organic anti-stripping agent, heating and stirring to uniformly disperse the inorganic anti-stripping agent and the organic anti-stripping agent;
5) Adding filler, heating and stirring to uniformly disperse the filler, thus obtaining the hot melt rubber asphalt waterproof coating.
10. A waterproof laminate, characterized in that: the waterproof laminate comprises a base material layer, a waterproof coating layer formed from the hot melt rubber asphalt waterproof coating material according to any one of claims 1 to 8, and an asphalt-based waterproof roll layer.
11. A waterproof laminate, characterized in that: the waterproof laminate comprises a first asphalt-based waterproof roll layer, a waterproof coating layer, and a second asphalt-based waterproof roll layer, the waterproof coating layer being formed of the hot melt rubber asphalt waterproof coating material according to any one of claims 1 to 8.
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| US7833339B2 (en) * | 2006-04-18 | 2010-11-16 | Franklin Industrial Minerals | Mineral filler composition |
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