CN115537179B - Normal-temperature waterproof asphalt material and preparation method thereof - Google Patents
Normal-temperature waterproof asphalt material and preparation method thereof Download PDFInfo
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- CN115537179B CN115537179B CN202211299923.2A CN202211299923A CN115537179B CN 115537179 B CN115537179 B CN 115537179B CN 202211299923 A CN202211299923 A CN 202211299923A CN 115537179 B CN115537179 B CN 115537179B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000010008 shearing Methods 0.000 claims abstract description 22
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 21
- 239000004816 latex Substances 0.000 claims abstract description 18
- 229920000126 latex Polymers 0.000 claims abstract description 18
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000006184 cosolvent Substances 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 24
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 24
- 239000002174 Styrene-butadiene Substances 0.000 claims description 17
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 16
- 230000001804 emulsifying effect Effects 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000008149 soap solution Substances 0.000 claims description 9
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- -1 monocyclic aromatic hydrocarbon Chemical class 0.000 claims description 8
- 235000006408 oxalic acid Nutrition 0.000 claims description 8
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 7
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 229940049292 n-(3-(dimethylamino)propyl)octadecanamide Drugs 0.000 claims description 6
- WWVIUVHFPSALDO-UHFFFAOYSA-N n-[3-(dimethylamino)propyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCCN(C)C WWVIUVHFPSALDO-UHFFFAOYSA-N 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- XKZQKPRCPNGNFR-UHFFFAOYSA-N 2-(3-hydroxyphenyl)phenol Chemical compound OC1=CC=CC(C=2C(=CC=CC=2)O)=C1 XKZQKPRCPNGNFR-UHFFFAOYSA-N 0.000 claims description 5
- KUAUJXBLDYVELT-UHFFFAOYSA-N 2-[[2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C1OC1COCC(C)(C)COCC1CO1 KUAUJXBLDYVELT-UHFFFAOYSA-N 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 239000010779 crude oil Substances 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000001294 propane Substances 0.000 claims description 5
- ZIWRUEGECALFST-UHFFFAOYSA-M sodium 4-(4-dodecoxysulfonylphenoxy)benzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCOS(=O)(=O)c1ccc(Oc2ccc(cc2)S([O-])(=O)=O)cc1 ZIWRUEGECALFST-UHFFFAOYSA-M 0.000 claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 4
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 4
- 239000011115 styrene butadiene Substances 0.000 claims description 4
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 claims description 3
- KIKYOFDZBWIHTF-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) cyclohex-3-ene-1,2-dicarboxylate Chemical compound C1CC=CC(C(=O)OCC2OC2)C1C(=O)OCC1CO1 KIKYOFDZBWIHTF-UHFFFAOYSA-N 0.000 claims description 3
- 239000003623 enhancer Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 claims description 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 18
- 230000001788 irregular Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 8
- 230000007547 defect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KTPIWUHKYIJBCR-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) cyclohex-4-ene-1,2-dicarboxylate Chemical compound C1C=CCC(C(=O)OCC2OC2)C1C(=O)OCC1CO1 KTPIWUHKYIJBCR-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
- C09J195/005—Aqueous compositions, e.g. emulsions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a normal-temperature waterproof asphalt material and a preparation method thereof, belonging to the technical field of engineering materials. The normal-temperature waterproof asphalt material comprises the following components in percentage by mass: 20-40% of asphalt, 10-20% of softening oil, 10-20% of reinforcing agent, 6-12% of cross-linking agent, 2-6% of SBR latex, 1-3% of emulsifying agent, 0.6-2% of cosolvent, 0.2-1% of stabilizing agent and the balance of water. The normal-temperature waterproof asphalt material can be used for waterproof construction at normal temperature, has the advantages of good cohesiveness, strong shearing resistance, high-temperature strength and the like, is simple and convenient to construct and operate, has simple procedures, can effectively protect irregular building structure positions with complex shapes, and has reliable waterproof effect.
Description
Technical Field
The invention belongs to the technical field of engineering materials, and relates to a normal-temperature waterproof asphalt material and a preparation method thereof.
Background
Because the building leakage problem in various building projects can cause great influence on the quality of the building projects, the waterproof projects are increasingly valued in various building projects, and the waterproof material is an important factor for determining the quality of the waterproof projects. In the conventional waterproof materials, the asphalt waterproof materials have a very large proportion, but the conventional asphalt waterproof materials are mainly constructed in the form of asphalt waterproof coiled materials, and have a plurality of defects from the aspects of convenience of construction and waterproof effect. For example, many asphalt waterproof coiled materials can be paved by heating during construction, the construction process is complicated, the construction difficulty is high at many irregular building structure positions, even construction cannot be performed, and the defects of poor adhesion with a building surface layer, poor durability, insufficient shearing resistance, excessively small high-temperature strength and the like exist.
Patent CN201110145668.1 proposes a modified asphalt waterproof coiled material and a production method thereof, which can reduce the production cost of the asphalt waterproof coiled material, but does not solve the defects of complicated construction procedures of the asphalt waterproof coiled material, unshelling, separation and the like of a pavement layer caused by improper construction. Patent CN201710395330.9 proposes a hot-melt elastomer modified asphalt waterproof coiled material and a preparation method thereof, although the low-temperature flexibility and hot-melt capability of the asphalt waterproof coiled material are improved, the coiled material is easy to melt, but the defects that the coiled material can be paved only by heating during construction, the construction process is complicated and complex, and the construction difficulty in a plurality of irregular building structure positions is high and even the construction cannot be performed still exist.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a normal-temperature liquid waterproof asphalt material which can be constructed at normal temperature without heating and a preparation method thereof.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
In a first aspect, the invention provides a normal-temperature waterproof asphalt material, which comprises the following components in percentage by mass: 20-40% of asphalt, 10-20% of softening oil, 10-20% of reinforcing agent, 6-12% of cross-linking agent, 2-6% of SBR latex, 1-3% of emulsifying agent, 0.6-2% of cosolvent, 0.2-1% of stabilizing agent and the balance of water.
The normal-temperature waterproof asphalt material prepared by selecting the specific component proportion has the advantages of good cohesiveness, strong shearing resistance, high-temperature strength and the like, is simple and convenient to construct and operate, has simple working procedures, can effectively protect irregular building structure positions with complex shapes, and has reliable waterproof effect.
As a preferred embodiment of the invention, the normal-temperature waterproof asphalt material comprises the following components in percentage by mass: 25 to 35 percent of asphalt, 12 to 18 percent of softening oil, 12 to 18 percent of reinforcing agent, 8 to 10 percent of cross-linking agent, 3 to 5 percent of SBR latex, 1.5 to 2.5 percent of emulsifying agent, 0.8 to 1.8 percent of cosolvent, 0.4 to 0.8 percent of stabilizing agent and the balance of water.
As a preferred embodiment of the present invention, the asphalt is petroleum asphalt produced by refining at least one selected from the group consisting of medium-base and naphthenic crude oils; the penetration range of the asphalt at 25 ℃ is between 40 and 100, and the unit is: 1/10mm.
As a preferred embodiment of the present invention, the property requirements of the softening oil are met: the weight percentage of wax is <1%, the weight percentage of saturated hydrocarbon is < 10%, the weight percentage of aromatic hydrocarbon is >80%, wherein the weight percentage of monocyclic aromatic hydrocarbon in the weight percentage of aromatic hydrocarbon is >20%.
The softened oil takes reduced pressure side stream oil produced by refining middle base or naphthenic base crude oil through an atmospheric and vacuum distillation device of a refinery as a raw material, and then is treated through a furfural refining device of the refinery to obtain aromatic-enriched furfural refined extract oil.
As a preferred embodiment of the present invention, the reinforcing agent comprises neopentyl glycol diglycidyl ether, tetrahydrodiglycidyl phthalate, low molecular weight diphenol propane epoxy resin;
the mass ratio of the neopentyl glycol diglycidyl ether to the tetrahydrophthalic diglycidyl ester to the low molecular weight diphenol propane epoxy resin is 1: (1-2): (2-4).
As a preferred embodiment of the present invention, the crosslinking agent includes oxalic acid, diethylene glycol, diethylenetriamine;
The mass ratio of the dosage of oxalic acid, diethylene glycol and diethylenetriamine is 1: (1-1.2): (2-3).
The preparation method of the cross-linking agent comprises the following steps: adding oxalic acid and diethylene glycol together according to a certain mass ratio into a reaction kettle to react for 10-18 hours at 80-130 ℃, then adding a certain amount of diethylenetriamine, and continuing to react for 5-8 hours at 50-120 ℃ to obtain the catalyst;
As a preferred embodiment of the present invention, the SBR latex is styrene-butadiene latex, the solid content of the styrene-butadiene latex is 10-30%, and the weight percentage of styrene in the SBR latex is 6-18%.
As a preferred embodiment of the present invention, the emulsifier includes surfactant, stearamidopropyl dimethylamine, polyethylene glycol, polyvinyl alcohol;
the mass ratio of the surfactant to the stearamidopropyl dimethylamine to the polyethylene glycol to the polyvinyl alcohol is 3:2:0.5:0.2;
the surfactant comprises at least one of cetyltrimethylammonium chloride and octadecyl trimethylammonium chloride.
The preparation method of the emulsifier comprises the following steps: mixing 3 parts by mass of one or two of cetyltrimethylammonium chloride and octadecyltrimethylammonium chloride according to any proportion, heating to 50-80 ℃, adding 2 parts by mass of stearamidopropyl dimethylamine, mixing uniformly at 50-80 ℃, stirring, then continuously adding 0.5 part by mass of polyethylene glycol and 0.2 part by mass of polyvinyl alcohol, mixing uniformly at 50-80 ℃, stirring, reacting for 5-10 min, and cooling to normal temperature.
As a preferred embodiment of the present invention, the cosolvent includes sodium dodecyl diphenyl ether disulfonate, sodium dodecyl sulfate, and sorbitan fatty acid ester;
The mass ratio of the sodium dodecyl diphenyl ether disulfonate to the sodium dodecyl sulfate to the sorbitan fatty acid ester is 1:1: (2-3).
As a preferred embodiment of the invention, the stabilizer is one or two of hydroxyethyl methylcellulose and hydroxypropyl methylcellulose which are mixed according to any proportion.
As a preferred embodiment of the invention, the water is clear and transparent neutral water without impurities, namely water with pH value of 6.5-7.5.
In a second aspect, the invention provides a preparation method of the normal-temperature waterproof asphalt material, which comprises the following steps:
s1, adding softened oil into a reaction kettle, heating to 60-90 ℃, adding an enhancer, uniformly stirring, cooling to 40-60 ℃, adding a cosolvent, uniformly stirring, and cooling to normal temperature for standby;
S2, uniformly mixing an emulsifier and water to prepare an emulsifier soap solution, heating to 50-80 ℃, adding the emulsifier soap solution into an emulsifying device, heating asphalt to 120-150 ℃, adding the asphalt into the emulsifying device to perform cyclic shearing together with the emulsifier soap solution, reducing the temperature to 40-60 ℃, adding a cross-linking agent and SBR latex to continuously perform mixed cyclic shearing, and then adding the reaction mixture and a stabilizing agent for standby in the step S1 to continuously perform mixed cyclic shearing to obtain the product;
The emulsifying equipment in the step S2 refers to a high-speed emulsifying and circulating shearing machine or a colloid mill, and the shearing rotating speed is required to be more than 3000 revolutions per minute.
Compared with the prior art, the invention has the beneficial effects that: the product of the invention is a normal temperature liquid waterproof asphalt material, which can be used for waterproof construction at normal temperature without heating when in use. The construction method is simple and convenient to construct and operate, simple in working procedure and capable of being used for effectively waterproof protection of irregular building structure positions with complex shapes. The waterproof adhesive also has the performance advantages of good cohesiveness, strong shearing resistance, high-temperature strength and the like, and has durable and reliable waterproof effect. The problems that the existing asphalt waterproof coiled material can be paved by heating during construction, the construction process is complex and complicated, the construction difficulty at a plurality of irregular building structure positions is high, even construction cannot be performed, the adhesion with a building surface layer is poor, the durability is poor, the shearing resistance is insufficient, the high-temperature strength is too small and the like are effectively solved.
Detailed Description
For a better description of the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to the following specific examples.
Examples 1 to 5
The components and the preparation method of the normal-temperature waterproof asphalt material in examples 1 to 5 are as follows:
The components of the normal temperature waterproof asphalt materials of examples 1 to 5 are:
asphalt: petroleum asphalt produced by the name of petrochemical company using intermediate crude oil as raw material has penetration=68 (1/10 mm) at 25 ℃.
Softening oil: the aromatic hydrocarbon-rich furfural refined extract oil obtained by using the reduced pressure side stream oil produced by refining middle base crude oil through an atmospheric and vacuum distillation device as a raw material and then processing the raw material through a furfural refining device is characterized in that: wax content=0.83%, saturated hydrocarbon content=7.9%, aromatic hydrocarbon total content=86.5%, wherein monocyclic aromatic hydrocarbon content=27.3% in the aromatic hydrocarbon total content.
Reinforcing agent: the neopentyl glycol diglycidyl ether, the tetrahydrophthalic acid diglycidyl ester and the low molecular weight diphenol propane epoxy resin are uniformly mixed with each other according to the mass ratio of 1:1:3 at normal temperature.
Crosslinking agent: the self-preparation is prepared by adding oxalic acid and diethylene glycol together according to a certain mass ratio into a reaction kettle to react for 15 hours at 90 ℃, then adding a certain amount of diethylenetriamine, and continuing to react for 6 hours at 70 ℃. Wherein the mass ratio of the oxalic acid to the diethylene glycol to the diethylenetriamine is 1:1:2.
SBR latex: the solid content of the styrene-butadiene latex prepared by the low-temperature (5 ℃) emulsion polymerization method of Bohao chemical company is 20 percent.
Emulsifying agent: the preparation method comprises the steps of heating 3 parts by mass of hexadecyl trimethyl ammonium chloride to 60 ℃, adding 2 parts by mass of stearamidopropyl dimethyl amine, uniformly mixing and stirring for 3min at 60 ℃, continuously adding 0.5 part by mass of polyethylene glycol and 0.2 part by mass of polyvinyl alcohol, uniformly mixing and stirring at 60 ℃, reacting for 8min, and cooling to normal temperature.
Cosolvent: the sodium dodecyl diphenyl ether disulfonate, sodium dodecyl sulfate and sorbitan fatty acid ester are uniformly mixed at normal temperature according to the mass ratio of 1:1:3.
Stabilizing agent: hydroxyethyl methylcellulose.
Water: clear and transparent tap water without impurities.
The composition of the normal temperature waterproof asphalt materials of examples 1 to 5 is shown in Table 1.
The preparation method of the normal-temperature waterproof asphalt material in examples 1 to 5 comprises the following steps:
(1) Firstly, heating softened oil to 80 ℃, pouring the softened oil into a reaction kettle, adding an enhancer, stirring the mixture in the reaction kettle at 80 ℃ for reaction for 8 hours, cooling to 50 ℃, adding a cosolvent, continuously stirring the mixture in the reaction kettle at 50 ℃ for reaction for 3 hours, and cooling to normal temperature for standby.
(2) Adding an emulsifier into water, uniformly stirring to prepare an emulsifier soap solution, heating to 60 ℃, pouring the emulsifier soap solution into an emulsifying device for circulating flow, heating asphalt to 130 ℃, pouring the asphalt into the emulsifying device for circulating shearing together with the emulsifier soap solution, circulating shearing for 8min, adding a cross-linking agent and SBR latex after isothermal reduction to 50 ℃, continuously mixing and circulating shearing for 3min, and adding the reaction mixture and a stabilizing agent to be used in the step (1) together for continuously mixing and circulating shearing for 5min to obtain the product.
The emulsifying device in the step (2) is a high-speed emulsifying and circulating shearing machine, and the shearing rotating speed is 3800 revolutions per minute.
TABLE 1
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Asphalt/g | 200 | 400 | 250 | 350 | 300 |
| Softening oil/g | 200 | 100 | 180 | 120 | 150 |
| Reinforcing agent/g | 200 | 100 | 180 | 120 | 150 |
| Crosslinking agent/g | 120 | 60 | 100 | 80 | 90 |
| SBR latex/g | 60 | 20 | 50 | 30 | 40 |
| Emulsifying agent/g | 30 | 10 | 25 | 15 | 20 |
| Cosolvent/g | 20 | 6 | 18 | 8 | 13 |
| Stabilizer/g | 10 | 2 | 8 | 4 | 6 |
| Water/g | 160 | 302 | 189 | 273 | 231 |
Effect example
The samples of examples 1 to 5 of the present invention were tested for performance according to the technical standards of GB/T328.1-328.27-2007 for building waterproof roll test method and JTG E20-2011 for road engineering asphalt mix test procedure, and the test results are shown in Table 2.
TABLE 2
The performance test results of the samples in each embodiment in Table 2 show that the product of the invention has the advantages of good storage stability, stable quality, high bonding strength, high peeling strength, high shearing and stretching resistance, excellent heat resistance, good low-temperature flexibility and the like. All performance indexes of the product completely meet the requirements of building waterproof engineering.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The normal-temperature waterproof asphalt material is characterized by comprising the following components in percentage by mass: 25 to 35 percent of asphalt, 12 to 18 percent of softening oil, 12 to 18 percent of reinforcing agent, 8 to 10 percent of cross-linking agent, 3 to 5 percent of SBR latex, 1.5 to 2.5 percent of emulsifying agent, 0.8 to 1.8 percent of cosolvent, 0.4 to 0.8 percent of stabilizing agent and the balance of water;
the cross-linking agent comprises oxalic acid, diethylene glycol and diethylenetriamine;
the mass ratio of the dosage of oxalic acid, diethylene glycol and diethylenetriamine is 1: (1-1.2): (2-3);
the preparation method of the cross-linking agent comprises the following steps: adding oxalic acid and diethylene glycol together according to a certain mass ratio into a reaction kettle to react for 10-18 hours at 80-130 ℃, then adding a certain amount of diethylenetriamine, and continuing to react for 5-8 hours at 50-120 ℃ to obtain the catalyst;
The asphalt is petroleum asphalt produced by refining at least one selected from intermediate base or cycloalkyl crude oil; the penetration range of the asphalt at 25 ℃ is 40-100, and the unit is: 1/10mm;
The property requirements of the softening oil are met: wax weight percent <1%, saturated hydrocarbon weight percent < 10%, aromatic hydrocarbon weight percent >80%, wherein the weight percent of monocyclic aromatic hydrocarbon in the aromatic hydrocarbon weight percent is >20%;
The SBR latex is styrene-butadiene latex, the solid content of the SBR latex is 10-30%, and the weight percentage of styrene in the SBR latex is 6% -18%.
2. The room temperature waterproof asphalt material of claim 1, wherein the reinforcing agent comprises neopentyl glycol diglycidyl ether, tetrahydrophthalic diglycidyl ester, low molecular weight diphenol propane epoxy resin;
The mass ratio of the neopentyl glycol diglycidyl ether to the tetrahydrophthalic diglycidyl ester to the low molecular weight diphenol propane epoxy resin is 1: (1-2): (2-4).
3. The room temperature waterproof asphalt material according to claim 1, wherein the emulsifier comprises surfactant, stearamidopropyl dimethylamine, polyethylene glycol, polyvinyl alcohol;
the mass ratio of the surfactant to the stearamidopropyl dimethylamine to the polyethylene glycol to the polyvinyl alcohol is 3:2:0.5:0.2;
the surfactant comprises at least one of cetyltrimethylammonium chloride and octadecyl trimethylammonium chloride.
4. The room temperature water-resistant asphalt material according to claim 1, wherein the cosolvent comprises sodium dodecyl diphenyl ether disulfonate, sodium dodecyl sulfate, and sorbitan fatty acid ester;
the mass ratio of the sodium dodecyl diphenyl ether disulfonate to the sodium dodecyl sulfate to the sorbitan fatty acid ester is 1:1: (2-3).
5. The method for preparing a room-temperature waterproof asphalt material according to any one of claims 1 to 4, comprising the steps of:
S1, adding softened oil into a reaction kettle, heating to 60-90 ℃, adding an enhancer, uniformly stirring, cooling to 40-60 ℃, adding a cosolvent, uniformly stirring, and cooling to normal temperature for standby;
S2, uniformly mixing an emulsifier and water to prepare an emulsifier soap solution, heating to 50-80 ℃, adding the emulsifier soap solution into an emulsifying device, heating asphalt to 120-150 ℃, adding the asphalt into the emulsifying device to perform cyclic shearing together with the emulsifier soap solution, reducing the temperature to 40-60 ℃, adding a cross-linking agent and SBR latex to continuously perform mixed cyclic shearing, and then adding the reaction mixture and a stabilizing agent to be used in the step S1 to continuously perform mixed cyclic shearing to obtain the normal-temperature waterproof asphalt material;
The emulsifying equipment in the step S2 refers to a high-speed emulsifying and circulating shearing machine or a colloid mill, and the shearing rotating speed is required to be more than 3000 revolutions per minute.
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| CN102443272A (en) * | 2010-10-15 | 2012-05-09 | 安徽三缔沥青材料有限公司 | Room-temperature asphalt containing epoxy resin and preparation method thereof |
| CN102226038A (en) * | 2011-06-01 | 2011-10-26 | 北京立高防水工程有限公司 | Modified bitumen waterproof coiled material and production method thereof |
| CN103881401B (en) * | 2013-07-23 | 2016-08-31 | 华东理工大学 | A kind of shoddy modified emulsifying asphalt and preparation method thereof |
| CN105219270B (en) * | 2015-10-25 | 2017-09-12 | 安徽路达泰克沥青新材料有限公司 | A kind of SBS latex modifieds emulsified asphalt and preparation method and application |
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