CN112280476A - Heat-resistant non-cured rubber asphalt waterproof coating, preparation method and coiled material thereof - Google Patents
Heat-resistant non-cured rubber asphalt waterproof coating, preparation method and coiled material thereof Download PDFInfo
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- CN112280476A CN112280476A CN202011243831.3A CN202011243831A CN112280476A CN 112280476 A CN112280476 A CN 112280476A CN 202011243831 A CN202011243831 A CN 202011243831A CN 112280476 A CN112280476 A CN 112280476A
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- 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
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- 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
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention provides a heat-resistant non-cured rubber asphalt waterproof coating, a preparation method and a coiled material thereof, wherein the heat-resistant non-cured rubber asphalt waterproof coating comprises the following raw materials in parts by weight: 55-65 parts of asphalt, 1-5 parts of tackifying resin, 1-5 parts of SBS, 20-35 parts of plasticizer, 1-5 parts of modified SBR, 10-17 parts of desulfurized rubber powder, 2-4 parts of silane coupling agent and 0.2-0.5 part of heat-resistant modifier. The product obtained by adopting the technical scheme of the invention is green and environment-friendly, can keep the form of 'never solidifying', has higher heat resistance and cohesiveness, has the heat resistance of 100 ℃, has good thermal aging performance, and can play the long-term and reliable waterproof and heat-resistant functions.
Description
Technical Field
The invention belongs to the field of building engineering materials, and particularly relates to a heat-resistant non-cured rubber asphalt waterproof coating, a preparation method and a coiled material thereof.
Background
In the building waterproof engineering, the waterproof layer is broken due to vibration, expansion with heat and contraction with cold of a building, sedimentation deformation of a base layer, cracking and the like, and then leakage is caused. In practical engineering application, for waterproof engineering with large deformation of a base layer, a waterproof layer is generally constructed by a non-laying method or a point bonding method so as to relieve the damage of deformation and cracking of the base layer to the waterproof layer, but the phenomena of water channeling and the like caused by local leakage are also easy to occur. Therefore, the waterproof field of building urgently needs a novel creep material, requires that this material have excellent cohesiveness, creep nature and self-healing nature, can realize fully gluing with base plane and waterproof layer homoenergetic, and the creep nature of material self can absorb and eliminate the tensile stress that transmits for the waterproof layer that reasons such as basic unit's geology subsides, expend with heat and contract with cold well, and the hole that external force reason caused can self-heal during the construction. The non-curing rubber asphalt waterproof coating can meet the requirements, the excellent creep property of the material can well absorb and release stress generated by cracking of a building base layer, the material never cures after being contacted with air for a long time, the viscosity and the self-healing property are kept for a long time, the capillary holes and the micro cracks of the base layer can be well sealed, once the material is bonded, the material is difficult to peel off, the holes can be rapidly self-healed even if a part of the material is damaged by external force, and the water channeling phenomenon is avoided. Therefore, the non-cured rubber asphalt waterproof paint has wider application at present, but the traditional non-cured rubber asphalt waterproof paint has lower heat resistance which is about 65-70 ℃, and is easy to flow and slide at high temperature in summer in facade construction, and the general stress relaxation is over 0.25 and the creep property is not very good when the non-cured rubber asphalt waterproof paint is made into the heat resistance.
Disclosure of Invention
The invention mainly solves the technical problem of providing the heat-resistant non-cured rubber asphalt waterproof coating, the preparation method and the coiled material thereof, so that the prepared coating can have higher heat resistance under the condition of ensuring good creep property, cohesiveness and stress relaxation, and can meet the use requirement under strict environmental conditions.
In order to solve the technical problems, the invention adopts a technical scheme that:
a heat-resistant non-cured rubber asphalt waterproof coating comprises the following raw materials in parts by weight: 55-65 parts of asphalt, 1-5 parts of tackifying resin, 1-5 parts of SBS, 20-35 parts of plasticizer, 1-5 parts of modified SBR, 10-17 parts of desulfurized rubber powder, 2-4 parts of silane coupling agent and 0.2-0.5 part of heat-resistant modifier.
In a particular embodiment of the invention, the plasticizer is selected from one or more of alkane oils, dialkyl phthalates, petrolatum, and microcrystalline waxes.
In a particular embodiment of the invention, the plasticizer is chosen from paraffinic oils, preferably naphthenic oils.
In a particular embodiment of the invention, the bitumen is selected from 70#Asphalt, 90#And (3) asphalt.
In a specific embodiment of the invention, the silane coupling agent is selected from one or more of KH550, KH560, KH570 and KH 792.
In a particular embodiment of the invention, the heat resistance modifier is selected from 8903, allyl methacrylate, preferably allyl methacrylate.
The invention also provides a preparation method of the coating, which comprises the following steps:
mixing asphalt, tackifying resin, a silane coupling agent, a plasticizer, desulfurized rubber powder and modified SBR, heating to 125-140 ℃, stirring for 40-50 min, adding the rest raw materials, heating to 160-170 ℃, and stirring for 1-1.2 h to obtain the modified asphalt.
The invention also provides a heat-resistant non-cured rubber asphalt waterproof coiled material which comprises an isolation film, a crossed film, a covering material and a bottom film.
Further, the coating material is composed of the heat-resistant non-cured rubber asphalt waterproof coating material according to claim 1.
Further, the bottom film is selected from one of a PET isolation film, a PE isolation film and kraft paper.
Further, the bottom film is a PET isolation film.
Compared with the prior art, the invention has the beneficial effects that:
the product of the invention not only has good creep property, adhesive property, water resistance, thermal aging and self-healing property, but also can obviously improve the heat resistance of the non-cured rubber asphalt waterproof coating through improving the heat resistance of the non-cured rubber asphalt waterproof coating, and the heat resistance can reach 100 ℃.
Detailed Description
The technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The processing steps of the coiled material such as thickness determination, cooling, setting, rolling and the like are all traditional production processes in the technical field.
Example 1
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 70#55 parts of asphalt, 1 part of tackifying resin, 20 parts of naphthenic oil, 1 parts of modified SBR, 10 parts of desulfurized rubber powder and 5502 parts of silane coupling agent are mixed, heated to 125 ℃ at the heating rate of 2 ℃/min and stirred for 40min at the stirring rate of 1100 r/min.
(2) Adding 0.2 part of allyl methacrylate, heating to 160 ℃ at the heating rate of 1 ℃/min, stirring for 1h at the stirring rate of 400r/min, uniformly mixing, cooling to room temperature, finishing preparation, inspecting, barreling and warehousing.
Example 2
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 90#65 parts of asphalt, 5 parts of tackifying resin, 35 parts of naphthenic oil, 5 parts of modified SBR, 17 parts of desulfurized rubber powder and 5604 parts of silane coupling agent KH, heating to 140 ℃ at the heating rate of 2 ℃/min, and stirring for 50min at the stirring rate of 1100 r/min.
(2) Adding 89030.5 parts of heat-resistant modifier, heating to 170 ℃ at the heating rate of 2 ℃/min, stirring for 1.2h at the stirring rate of 500r/min, uniformly mixing, cooling to room temperature, finishing preparation, inspecting, barreling and warehousing.
Example 3
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 70#60 parts of asphalt, 4 parts of tackifying resin, 25 parts of naphthenic oil, 4 parts of modified SBR, 15 parts of desulfurized rubber powder and KH 5702 parts of silane coupling agent, heating to 130 ℃ at the heating rate of 1 ℃/min, and stirring for 45min at the stirring rate of 1100 r/min.
(2) Adding 89030.3 parts of heat-resistant modifier, heating to 165 ℃ at the heating rate of 1 ℃/min, stirring for 1.1h at the stirring rate of 500r/min, uniformly mixing, cooling to room temperature, finishing preparation, inspecting, barreling and warehousing.
Example 4
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 70#55 parts of asphalt, 3 parts of tackifying resin, 23 parts of naphthenic oil, 3 parts of modified SBR, 15 parts of desulfurized rubber powder and 7923 parts of silane coupling agent KH, heating to 135 ℃ at the heating rate of 2 ℃/min, and stirring for 48min at the stirring rate of 1200 r/min.
(2) Adding 0.4 part of allyl methacrylate, heating to 166 ℃ at the heating rate of 1 ℃/min, stirring for 1.2h at the stirring rate of 450r/min, uniformly mixing, cooling to room temperature, completing preparation, inspecting, barreling and warehousing.
Example 5
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 70#62 parts of asphalt, 3 parts of tackifying resin, 27 parts of naphthenic oil, 5 parts of modified SBR, 14 parts of desulfurized rubber powder and 7923 parts of silane coupling agent KH, heating to 130 ℃ at the heating rate of 3 ℃/min, and stirring for 42min at the stirring rate of 1100 r/min.
(2) Adding 0.2 part of allyl methacrylate, heating to 164 ℃ at the heating rate of 2 ℃/min, stirring for 1.2h at the stirring rate of 450r/min, uniformly mixing, cooling to room temperature, completing preparation, inspecting, barreling and warehousing.
Example 6
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 90#55-65 parts of asphalt and tackification5 parts of resin, 35 parts of naphthenic oil, 1 parts of modified SBR, 13 parts of desulfurized rubber powder and 5503 parts of silane coupling agent KH, heating to 130 ℃ at the heating rate of 1 ℃/min, and stirring for 44min at the stirring rate of 1100 r/min.
(2) Adding 89030.4 parts of heat-resistant modifier, heating to 169 ℃ at the heating rate of 3 ℃/min, stirring for 1h at the stirring rate of 500r/min, uniformly mixing, cooling to room temperature, finishing preparation, inspecting, barreling and warehousing.
Example 7
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 90#64 parts of asphalt, 3 parts of tackifying resin, 24 parts of naphthenic oil, 3 parts of modified SBR, 16 parts of desulfurized rubber powder and KH 5703 parts of silane coupling agent, heating to 127 ℃ at the heating rate of 2 ℃/min, and stirring for 44min at the stirring rate of 1100 r/min.
(2) Adding 89030.4 parts of heat-resistant modifier, heating to 167 ℃ at the heating rate of 2 ℃/min, stirring for 1.1h at the stirring rate of 470r/min, uniformly mixing, cooling to room temperature, completing preparation, inspecting, barreling and warehousing.
Example 8
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 90#58 parts of asphalt, 2 parts of tackifying resin, 20 parts of naphthenic oil, 1 parts of modified SBR, 17 parts of desulfurized rubber powder and 7924 parts of silane coupling agent KH, heating to 140 ℃ at the heating rate of 3 ℃/min, and stirring for 50min at the stirring rate of 1200 r/min.
(2) Adding 89030.5 parts of heat-resistant modifier, heating to 170 ℃ at the heating rate of 3 ℃/min, stirring for 1h at the stirring rate of 500r/min, uniformly mixing, cooling to room temperature, finishing preparation, inspecting, barreling and warehousing.
Example 9
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 70#65 parts of asphalt, 5 parts of tackifying resin, 20 parts of naphthenic oil and modified SBR3After being mixed, 11 parts of desulfurized rubber powder and 5504 parts of silane coupling agent KH are heated to 135 ℃ at the heating rate of 1 ℃/min and stirred for 50min at the stirring rate of 1100 r/min.
(2) Adding 89030.4 parts of heat-resistant modifier, heating to 170 ℃ at the heating rate of 3 ℃/min, stirring for 1.2h at the stirring rate of 400r/min, uniformly mixing, cooling to room temperature, finishing preparation, inspecting, barreling and warehousing.
Example 10
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 70#60 parts of asphalt, 2 parts of tackifying resin, 26 parts of naphthenic oil, 4 parts of modified SBR, 13 parts of desulfurized rubber powder and 5502 parts of silane coupling agent, heating to 125 ℃ at the heating rate of 1 ℃/min, and stirring for 45min at the stirring rate of 1200 r/min.
(2) And then adding 0.2 part of allyl methacrylate, heating to 165 ℃ at the heating rate of 2 ℃/min, stirring for 1.1h at the stirring rate of 450r/min to uniformly mix, cooling to room temperature, completing preparation, inspecting, barreling and warehousing.
Example 11
A heat-resistant non-cured rubber asphalt waterproof coating is prepared by the following steps:
(1) will 90#55-65 parts of asphalt, 25 parts of tackifying resin, 25 parts of naphthenic oil, 5 parts of modified SBR, 10 parts of desulfurized rubber powder and 5603 parts of silane coupling agent KH, heating to 130 ℃ at the heating rate of 1 ℃/min, and stirring for 44min at the stirring rate of 1100 r/min.
(2) Adding heat-resistant modifier 8903, heating to 160 deg.C at a rate of 2 deg.C/min, stirring at 550r/min for 1h, mixing, cooling to room temperature, inspecting, barreling, and storing.
Example 12
The coating prepared in example 1 is used for preparing a heat-resistant non-cured rubber asphalt waterproof coiled material, and the preparation method comprises the following steps:
covering the upper surface of the coating with the thickness of 2mm with a crossed film with the thickness of 5 mu m, then pasting a PET film on the lower surface of the coating, and obtaining the heat-resistant non-cured rubber asphalt waterproof coiled material after thickness setting, cooling, setting, rolling and packaging.
The comprehensive properties of the coatings prepared in examples 1-6 were tested, and the average test indexes are shown in table 1.
TABLE 1 comprehensive properties of the heat-resistant non-cured rubberized asphalt waterproofing paint of the invention
As can be seen from Table 1, the non-cured rubber asphalt waterproof coating prepared by the invention has good cohesiveness, creep property, self-healing property and thermal aging property, the heat resistance can reach 100 ℃, and the non-cured rubber asphalt waterproof coating can be widely applied to waterproof engineering of various building structures.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The heat-resistant non-cured rubber asphalt waterproof coating is characterized by comprising the following raw materials in parts by weight: 55-65 parts of asphalt, 1-5 parts of tackifying resin, 1-5 parts of SBS, 20-35 parts of plasticizer, 1-5 parts of modified SBR, 10-17 parts of desulfurized rubber powder, 2-4 parts of silane coupling agent and 0.2-0.5 part of heat-resistant modifier.
2. The coating according to claim 1, wherein the plasticizer is selected from one or more of alkane oils, dialkyl phthalates, petrolatum, and microcrystalline waxes.
3. The coating according to claim 1, characterized in that the plasticizer is chosen from paraffinic oils, preferably naphthenic oils.
4. The coating according to claim 1, characterized in that said bitumen is selected from 70#Asphalt, 90#And (3) asphalt.
5. The coating according to claim 1, wherein the silane coupling agent is selected from one or more of KH550, KH560, KH570, KH 792.
6. The coating of claim 1, wherein the heat resistance modifier is selected from 8903, allyl methacrylate, preferably allyl methacrylate.
7. The method for preparing the coating according to any one of claims 1 to 6, comprising the steps of:
mixing asphalt, tackifying resin, a silane coupling agent, a plasticizer, desulfurized rubber powder and modified SBR, heating to 125-140 ℃, stirring for 40-50 min, adding the rest raw materials, heating to 160-170 ℃, and stirring for 1-1.2 h to obtain the modified asphalt.
8. A heat-resistant non-cured rubber asphalt waterproof coiled material is characterized by comprising an isolation film, a crossed film, a covering material and a bottom film; the covering material is composed of the heat-resistant non-cured rubber asphalt waterproof coating material according to any one of claims 1 to 6.
9. The paint of claim 8, wherein the base film is selected from one of a PET release film, a PE release film, and kraft paper.
10. The coating of claim 9, wherein the carrier film is a PET release film.
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Cited By (4)
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| CN113174201A (en) * | 2021-05-08 | 2021-07-27 | 四川环图材料科技有限公司 | Preparation method of non-cured rubber asphalt waterproof coating |
| CN114181622A (en) * | 2021-12-02 | 2022-03-15 | 胜利油田大明新型建筑防水材料有限责任公司 | High-heat-resistance non-cured rubber asphalt waterproof coating and preparation method thereof |
| CN115948120A (en) * | 2022-12-23 | 2023-04-11 | 苏州市姑苏新型建材有限公司 | Special non-cured rubber asphalt waterproof coating and preparation method thereof |
| CN116254054A (en) * | 2023-03-10 | 2023-06-13 | 中科博翰新材料(北京)有限公司 | Water-based non-cured high-elastic asphalt rubber waterproof coating |
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| CN114181622A (en) * | 2021-12-02 | 2022-03-15 | 胜利油田大明新型建筑防水材料有限责任公司 | High-heat-resistance non-cured rubber asphalt waterproof coating and preparation method thereof |
| CN114181622B (en) * | 2021-12-02 | 2022-07-15 | 胜利油田大明新型建筑防水材料有限责任公司 | High-heat-resistance non-cured rubber asphalt waterproof coating and preparation method thereof |
| CN115948120A (en) * | 2022-12-23 | 2023-04-11 | 苏州市姑苏新型建材有限公司 | Special non-cured rubber asphalt waterproof coating and preparation method thereof |
| CN116254054A (en) * | 2023-03-10 | 2023-06-13 | 中科博翰新材料(北京)有限公司 | Water-based non-cured high-elastic asphalt rubber waterproof coating |
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