CN111944425A - Smokeless high-temperature-resistant sagging rubber asphalt waterproof coating and preparation method thereof - Google Patents
Smokeless high-temperature-resistant sagging rubber asphalt waterproof coating and preparation method thereof Download PDFInfo
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- CN111944425A CN111944425A CN202010829330.7A CN202010829330A CN111944425A CN 111944425 A CN111944425 A CN 111944425A CN 202010829330 A CN202010829330 A CN 202010829330A CN 111944425 A CN111944425 A CN 111944425A
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/61—Additives non-macromolecular inorganic
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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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- 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 belongs to the technical field of waterproof materials, and particularly relates to a smokeless high-temperature-resistant sagging rubber asphalt waterproof coating and a preparation method thereof. The non-cured rubber asphalt waterproof coating comprises the following components in parts by weight: 45-60 parts of asphalt; 4-6 parts of styrene butadiene rubber; 10-15 parts of an organic solvent; 8 to 12 parts of SBS thermoplastic elastomer; 2 to 4 portions of sasobit warm mixing agent. The smokeless high-temperature sagging-resistant rubber asphalt waterproof coating effectively reduces asphalt smoke in the asphalt modification process, is stable in rubber asphalt homogeneous system, high-temperature resistant and sagging resistant, has remarkable improvement on physical performance and flame-retardant and waterproof aspects, is simple to operate, short in processing period, reduces smoke and irritant gas emission, and is remarkable in environmental protection benefit.
Description
Technical Field
The invention belongs to the technical field of waterproof coatings, and particularly relates to a smokeless high-temperature-resistant sagging rubber asphalt waterproof coating and a preparation method thereof.
Background
The non-solidified rubber asphalt waterproof paint is made up by using rubber, asphalt and softening oil as main components and adding temp. controller and filler and mixing them, and can retain viscous paste body in service life. The waterproof agent has outstanding effect on waterproof treatment of special parts such as deformation joints of building engineering and the like, and is widely applied to non-exposed building waterproof engineering.
The adhesive has the characteristics of never solidifying, corrosion resistance, ageing resistance and the like, has strong adhesion, can be constructed on a wet base surface, and can be adhered with any foreign matter; and secondly, the waterproof layer has good structural flexibility, excellent extensibility, strong self-healing property, is suitable for deformation of the base layer, can be automatically repaired even if the waterproof layer is damaged during construction, and maintains complete waterproof layer. But also has the outstanding defects of high construction temperature, large asphalt smoke and large smell; 2. the high-temperature sagging resistance is poor, and the coiled material is easy to fall off when being combined with the coiled material and constructed on the side wall; therefore, it is urgent to improve the high temperature sag resistance of the non-curable rubber asphalt waterproofing paint. The only way to solve the problem is to find new materials to improve the asphalt smoke and improve the high-temperature sagging resistance of the non-cured rubber asphalt waterproof coating.
Disclosure of Invention
The invention aims to provide a rubber asphalt waterproof coating which can effectively reduce asphalt smoke in the asphalt modification process and has stable, high-temperature resistant and anti-sagging rubber asphalt homogeneous system and a preparation method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the smokeless high-temperature-resistant sagging rubber asphalt waterproof coating is characterized by comprising the following components in parts by weight: comprises the following components in parts by weight: 45-60 parts of asphalt; 4-6 parts of styrene butadiene rubber; 10-15 parts of an organic solvent; 8 to 12 parts of SBS thermoplastic elastomer; 2 to 4 portions of sasobit warm mixing agent.
The smokeless high-temperature-resistant sagging rubber asphalt waterproof coating is characterized by also comprising the following additional technical characteristics:
-further comprising 1 to 2 parts by weight of a smell-reducing agent including but not limited to molecular sieves;
-the organic solvent is naphthenic oil;
-the bitumen is petroleum bitumen.
The invention further provides a preparation method of the non-cured rubber asphalt waterproof coating, which is characterized by comprising the following steps: the smokeless high-temperature sagging-resistant rubber asphalt waterproof coating mainly comprises the following steps:
step one, adding asphalt and an organic solvent into a reaction kettle according to the weight part ratio, heating to 135-145 ℃, and stirring for dehydration for 0.8-1.2 hours;
step two, adding styrene butadiene rubber into the mixed materials, keeping the temperature between 135 and 145 ℃, mixing and dissolving for 0.5 to 1 hour;
step three, raising the temperature to 155-165 ℃, adding SBS thermoplastic elastomer into the mixture, keeping the temperature, mixing and dissolving for 1.5-2 hours;
and step four, adding a sasobit warm mixing agent into the mixed material, keeping the temperature at 155-165 ℃ for dissolving for 0.5-1 hour, cooling the rubber material to 115-125 ℃, and discharging.
The preparation method of the non-cured rubber asphalt waterproof coating is characterized by also comprising the following additional technical characteristics:
-in step four, a molecular sieve odor removal agent is added simultaneously.
Compared with the prior art, the smokeless high-temperature-resistant sagging rubber asphalt waterproof coating and the preparation method thereof provided by the invention have the following advantages: firstly, because SBS thermoplastic elastomer, styrene butadiene rubber and Sasobit warm mixing agent in the components of the rubber asphalt waterproof coating react with each other, as the Sasobit is melted in the asphalt to form a net-shaped lattice structure, the penetration degree of SBS modified asphalt is reduced along with the increase of the mixing amount of the Sasobit, so that the viscosity and the high-temperature resistant sagging property of the asphalt are increased, the instant cohesiveness and the lasting cohesiveness of the waterproof coating to a base material are improved, and the problems that the high-temperature sagging phenomenon is caused after the side wall construction and the coiled material are combined, and the coiled material is easy to fall off or hollows and the like after the side wall construction are solved; secondly, the molecular chain of the sasobit warm mixing agent in the smokeless high-temperature sagging-resistant rubber asphalt waterproof coating contains an active group capable of reacting with a high-molecular polymer, so that a network structure is formed, a part of flexible chains are added, the brittleness of petroleum asphalt is reduced, and the toughness is enhanced, so that the cracking resistance and the impact resistance of the rubber waterproof coating are improved, and the shear thixotropic property of the waterproof coating is improved, namely the waterproof coating is not easy to flow when the waterproof coating is placed still at a high temperature, and becomes the characteristic of easy flow after the shear force is applied, so that the product is easy to construct and is not easy to sag or slide after construction; thirdly, the drop melting point of the sasobit asphalt modifier is about 99 ℃, and the sasobit asphalt modifier can be completely dissolved in the asphalt mixture when the temperature is higher than 116 ℃, so that the viscosity of the mixture is sharply reduced, the construction of the non-cured rubber asphalt waterproof coating can be carried out at a low temperature, the construction temperature of the non-cured rubber asphalt waterproof coating can be reduced by 30-40 ℃, the fuel consumption is reduced by more than 15%, the energy consumption and the smoke generated in production are greatly reduced, and the dual effects of energy conservation and environmental protection are achieved; fourthly, the addition of the molecular sieve odor removing agent into the non-cured rubber asphalt waterproof coating has a mixed adsorption effect, effectively improves the performance stability of the rubber asphalt, obviously improves the odor of the waterproof coating, can also adsorb impurity particles in an old asphalt mixture, and enhances the service performance of the waterproof coating; fifthly, the preparation process of the non-cured rubber asphalt waterproof coating is simple in process flow and convenient to operate, high-quality organic solvents, molecular sieves and other deodorant and imported high-temperature additives are adopted in the process, the processing temperature is low, the construction cost is low, high temperature resistance and sagging prevention are realized in the preparation and construction processes, smoke generation is low, no pungent smell exists, no harm or pollution is caused to the atmospheric environment basically, and the non-cured rubber asphalt waterproof coating has outstanding economic benefits and popularization values.
Drawings
FIG. 1 shows the performance test data of an embodiment of the smokeless high temperature resistant sagging rubber asphalt waterproof coating of the present invention.
Detailed Description
The invention provides a smokeless high temperature resistant sagging rubber asphalt waterproof coating and a preparation method thereof, which are further described in detail with reference to the following examples.
The smokeless high-temperature-resistant sagging rubber asphalt waterproof coating is characterized by comprising the following components in parts by weight: comprises the following components in parts by weight: 45-60 parts of asphalt; 4-6 parts of styrene butadiene rubber; 10-15 parts of an organic solvent; 8 to 12 parts of SBS thermoplastic elastomer; 2 to 4 portions of sasobit warm mixing agent.
The working principle is as follows: when the petroleum asphalt is modified by the SBS thermoplastic elastomer, the sasobit modifier is added, the molecule of the petroleum asphalt is long-chain aliphatic hydrocarbon wax containing 40-120 carbon atoms, the melting point of the wax is lower than that of the asphalt, the wax can be completely dissolved in a mixture, the viscosity of the asphalt is reduced, the mixed material and compaction temperature are reduced, smoke and harmful gases are effectively reduced, and when the temperature is lower than the melting point, the petroleum asphalt, the asphalt and the SBS thermoplastic elastomer form a reticular lattice structure, the stability of the asphalt is improved, and the high temperature resistance and the sagging prevention performance of the modified asphalt are improved.
In the smokeless high-temperature-resistant sagging rubber asphalt waterproof coating, preferably, the styrene-butadiene rubber is powder or liquid styrene-butadiene rubber, the organic solvent is naphthenic oil, the asphalt is petroleum asphalt, and the sasobit modifier is American import sasobit8906, 8918 or 8905;
further, 1 to 2 parts by weight of odor removing agent is included, and the odor removing agent includes but is not limited to molecular sieve;
the method for preparing the waterproof roll is described by combining the specific embodiments as follows:
step one, adding 50 parts by weight of asphalt and 10 parts by weight of organic solvent into a reaction kettle according to the weight part ratio, heating to 145 ℃, and stirring for dehydration for 1 hour;
secondly, 6 parts by weight of styrene butadiene rubber is added into the mixed material, and the mixed material is mixed and dissolved for 1 hour at the temperature of 145 ℃;
thirdly, raising the temperature to 165 ℃, adding 10 parts by weight of SBS thermoplastic elastomer into the mixed material, keeping the temperature at 165 ℃, mixing and dissolving for 2 hours;
fourthly, 2 parts by weight of sasobit warm-mixing agent and 2 parts by weight of deodorant are added into the mixed material, the temperature is kept at 165 ℃ for dissolving for 1 hour, and then the rubber material is cooled to 115-125 ℃ and discharged.
In the embodiment, the rotation speed of mixing and stirring is controlled to be 40Hz in the first step to the third step, and the rotation speed of mixing and stirring is controlled to be 30Hz in the fourth step; selecting No. 200 environment-friendly petroleum asphalt as the asphalt; naphthenic oil is selected as the organic solvent; the styrene butadiene rubber is specifically SBR liquid styrene butadiene rubber; the SBS thermoplastic elastomer is selected from SAM2001 elastomer; the sasobit warm mixing agent is imported from America and has the brand number of 8906; the smell removing agent is selected from smell removing particles or molecular sieves of New Material technology Limited company of Pinghu Fubo;
example two
The difference from the first example is that, in the fourth step, 3 parts by weight of sasobit warm-mixing agent was added to the above-mentioned mixed material.
EXAMPLE III
The difference from the first embodiment is that, in the fourth step, 1 part by weight of the odor removing agent is added to the mixed material;
the non-cured rubber asphalt waterproof coiled material is subjected to physical property detection, and the parameter indexes are shown in figure 1. The heat resistance of the non-cured rubber asphalt waterproof coiled material is tested after the non-cured rubber asphalt waterproof coiled material is placed at the temperature of (23 +/-2) DEG C for 24 hours, and the detection data show that the non-cured rubber asphalt waterproof coiled material has excellent performance in the aspects of low-temperature flexibility, high-temperature sagging and the like, obviously exceeds the standard of like products, has the quality reaching the product standard of JC/T2428-2017 'non-cured rubber asphalt waterproof coating', is constructed by using the waterproof coating, is green and environment-friendly, and has good high-temperature sagging resistance of side walls.
Claims (6)
1. The smokeless high-temperature-resistant sagging rubber asphalt waterproof coating is characterized by comprising the following components in parts by weight: comprises the following components in parts by weight: 45-60 parts of asphalt; 4-6 parts of styrene butadiene rubber; 10-15 parts of an organic solvent; 8 to 12 parts of SBS thermoplastic elastomer; 2 to 4 portions of sasobit warm mixing agent.
2. The smokeless high-temperature-resistant sagging rubber asphalt waterproof coating material according to claim 1, is characterized in that: also included are 1 to 2 parts by weight of a deodorizing agent including, but not limited to, molecular sieves.
3. The smokeless high-temperature-resistant sagging rubber asphalt waterproof coating material according to claim 1 or 2, characterized in that: the organic solvent is naphthenic oil.
4. The smokeless high-temperature-resistant sagging rubber asphalt waterproof coating material according to claim 1 or 2, characterized in that: the asphalt is petroleum asphalt.
5. A preparation method of a non-cured rubber asphalt waterproof coating is characterized by comprising the following steps: the smokeless high temperature resistant sagging rubber asphalt waterproof coating for preparing the claims 1 to 4 mainly comprises the following steps:
step one, adding asphalt and an organic solvent into a reaction kettle according to the weight part ratio, heating to 135-145 ℃, and stirring for dehydration for 0.8-1.2 hours;
step two, adding styrene butadiene rubber into the mixed materials, keeping the temperature between 135 and 145 ℃, mixing and dissolving for 0.5 to 1 hour;
step three, raising the temperature to 155-165 ℃, adding SBS thermoplastic elastomer into the mixture, keeping the temperature, mixing and dissolving for 1.5-2 hours;
and step four, adding a sasobit warm mixing agent into the mixed material, keeping the temperature at 155-165 ℃ for dissolving for 0.5-1 hour, cooling the rubber material to 115-125 ℃, and discharging.
6. The method for preparing a non-curing rubber asphalt waterproof coating according to claim 5, wherein the method comprises the following steps: in the fourth step, the molecular sieve smell removing agent is added simultaneously.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115851131A (en) * | 2022-12-28 | 2023-03-28 | 禹都建筑防水材料(德州)有限公司 | Environment-friendly low-temperature spraying type hot-melt non-cured rubber asphalt waterproof coating and preparation method thereof |
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| CN106497096A (en) * | 2016-10-19 | 2017-03-15 | 嘉兴潮源新型建材股份有限公司 | Uncured rubber asphalt waterproofing coiled material and preparation method thereof |
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| CN110724455A (en) * | 2018-07-16 | 2020-01-24 | 中国石油化工股份有限公司 | Non-curing rubber asphalt waterproof coating and preparation method thereof and root puncture resistant waterproof material |
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2020
- 2020-08-18 CN CN202010829330.7A patent/CN111944425A/en active Pending
Patent Citations (6)
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| CN105001786A (en) * | 2015-08-11 | 2015-10-28 | 山东大山路桥工程有限公司 | Dual modified emulsified asphalt and preparation method thereof |
| CN106497096A (en) * | 2016-10-19 | 2017-03-15 | 嘉兴潮源新型建材股份有限公司 | Uncured rubber asphalt waterproofing 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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| CN115851131A (en) * | 2022-12-28 | 2023-03-28 | 禹都建筑防水材料(德州)有限公司 | Environment-friendly low-temperature spraying type hot-melt non-cured rubber asphalt waterproof coating and preparation method thereof |
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Address after: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Applicant after: Hengshui Zhongyu Tiexin Waterproof Technology Co.,Ltd. Address before: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Applicant before: HENGSHUI ZHONGTIEJIAN EARTHWORK MATERIAL MANUFACTURING Co.,Ltd. |
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Application publication date: 20201117 |