CN118006221A - Composition for non-cured waterproof coating, preparation method and application thereof - Google Patents
Composition for non-cured waterproof coating, preparation method and application thereof Download PDFInfo
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- CN118006221A CN118006221A CN202311819832.1A CN202311819832A CN118006221A CN 118006221 A CN118006221 A CN 118006221A CN 202311819832 A CN202311819832 A CN 202311819832A CN 118006221 A CN118006221 A CN 118006221A
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- waterproof coating
- asphalt
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- 239000011248 coating agent Substances 0.000 title claims abstract description 48
- 238000000576 coating method Methods 0.000 title claims abstract description 48
- 239000000203 mixture Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 28
- 239000010426 asphalt Substances 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000002156 mixing Methods 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 239000004014 plasticizer Substances 0.000 claims abstract description 16
- 229920003051 synthetic elastomer Polymers 0.000 claims abstract description 15
- 239000005061 synthetic rubber Substances 0.000 claims abstract description 15
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 14
- 238000004078 waterproofing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 28
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 25
- 239000003054 catalyst Substances 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 15
- 239000003960 organic solvent Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000005060 rubber Substances 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 4
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 claims description 2
- 239000005062 Polybutadiene Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920002367 Polyisobutene Polymers 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000010692 aromatic oil Substances 0.000 claims description 2
- 239000010705 motor oil Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 229920002857 polybutadiene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims 7
- 239000002699 waste material Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 7
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 22
- IUVCFHHAEHNCFT-INIZCTEOSA-N 2-[(1s)-1-[4-amino-3-(3-fluoro-4-propan-2-yloxyphenyl)pyrazolo[3,4-d]pyrimidin-1-yl]ethyl]-6-fluoro-3-(3-fluorophenyl)chromen-4-one Chemical compound C1=C(F)C(OC(C)C)=CC=C1C(C1=C(N)N=CN=C11)=NN1[C@@H](C)C1=C(C=2C=C(F)C=CC=2)C(=O)C2=CC(F)=CC=C2O1 IUVCFHHAEHNCFT-INIZCTEOSA-N 0.000 description 14
- BSIDXUHWUKTRQL-UHFFFAOYSA-N nickel palladium Chemical compound [Ni].[Pd] BSIDXUHWUKTRQL-UHFFFAOYSA-N 0.000 description 12
- 238000005984 hydrogenation reaction Methods 0.000 description 9
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical class N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000012876 carrier material Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 230000005465 channeling Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- FXPLCAKVOYHAJA-UHFFFAOYSA-N 2-(4-carboxypyridin-2-yl)pyridine-4-carboxylic acid Chemical compound OC(=O)C1=CC=NC(C=2N=CC=C(C=2)C(O)=O)=C1 FXPLCAKVOYHAJA-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 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
- 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
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
- C10C3/023—Working-up pitch, asphalt, bitumen by chemical means reaction with inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of building waterproofing, and discloses a composition for non-cured waterproof coating, a preparation method and application thereof, wherein the content of hydrogenated asphalt in the composition is 40-60wt%, the content of synthetic rubber is 5-15wt%, the content of plasticizer is 20-40wt%, and the content of wax-containing auxiliary agent is 5-15wt%. The preparation method of the waterproof coating comprises the following steps: preheating and mixing a plasticizer and hydrogenated asphalt to obtain a material I; the material I and the synthetic rubber are subjected to first stirring and mixing to obtain a material II; and (3) carrying out second stirring and mixing on the material II and the wax-containing auxiliary agent to obtain the non-curing waterproof coating. The raw materials of the non-curing waterproof coating provided by the invention are uniformly distributed, the layering phenomenon of the non-curing waterproof coating is solved, and the compatibility of the raw materials is improved.
Description
Technical Field
The invention relates to the field of building waterproofing, in particular to a composition for non-cured waterproof coating, a preparation method and application thereof.
Background
The non-curing waterproof coating is widely used for various new or maintenance waterproof projects, can be used for waterproof of conventional parts, can also be used for waterproof of special parts such as deformation joints and the like, and mainly comprises plasticizers, asphalt, rubber and high-temperature-resistant wax.
The high-temperature-resistant wax is high-temperature-resistant Wen Chuji, ensures that the non-cured waterproof coating still has certain cohesive force in a high-temperature environment, and ensures that the coiled material cannot offset and fall off in a dislocation in the high-temperature environment after being compounded.
However, because asphalt is a high-polarity material and high-temperature-resistant wax is a low-polarity material, the direct compatibility of the asphalt and the high-temperature-resistant wax is poor, layering phenomenon is easy to occur, so that the internal substances of the non-curing waterproof coating are unevenly distributed, the upper layer material is poor in low-temperature flexibility due to the fact that the high-temperature-resistant wax floats upwards, and the lower layer is poor in high-temperature-resistant performance due to the fact that the high-temperature-resistant wax is lacking, and therefore the stability of the non-curing waterproof coating is affected.
For example, CN115141547a discloses a non-curing waterproof coating comprising the following components: softening oil, modified wax powder, thermoplastic elastomer, resin, silane coupling agent and filler. The grafting group on the modified wax powder in the composition is mainly utilized to react with other components containing unsaturated double bonds, so that the compatibility of the modified wax powder in a system is improved.
Therefore, the development of a new non-curing waterproof coating is of great importance.
Disclosure of Invention
The invention aims to solve the problems that the non-curing waterproof paint in the prior art has layering phenomenon and cannot balance high-low temperature performance, extensibility and channeling resistance.
In order to achieve the above object, a first aspect of the present invention provides a composition for a non-curable waterproof coating material, which contains a hydrogenated asphalt, a synthetic rubber, a plasticizer and a wax-containing auxiliary agent;
Based on the total weight of the composition, the content of the hydrogenated asphalt is 40-60wt%, the content of the synthetic rubber is 5-15wt%, the content of the plasticizer is 20-40wt%, and the content of the wax-containing auxiliary agent is 5-15wt%;
The hydrogenated asphalt is prepared by a method comprising the following steps: introducing asphalt into a reactor filled with a nickel-palladium-cerium oxide-loaded composite catalyst in the presence of an organic solvent for hydrotreating; the hydrotreating conditions include: the temperature is 280-350 ℃, the pressure is 4-8MPa, and the volume ratio of hydrogen to asphalt is 1200-1800:1, the mass airspeed is 0.05-0.3h -1.
In a second aspect, the present invention provides a method for preparing a non-curable waterproof coating material by using the components of the composition for a non-curable waterproof coating material according to the first aspect, comprising: in the reactor, the reaction vessel is provided with a plurality of reaction vessels,
(S1) preheating and mixing a plasticizer and hydrogenated asphalt to obtain a material I;
(S2) carrying out first stirring and mixing on the material I and the synthetic rubber to obtain a material II;
And (S3) carrying out second stirring and mixing on the material II and the wax-containing auxiliary agent to obtain the non-curing waterproof coating.
A third aspect of the present invention provides a non-cured waterproof coating material prepared by the method for preparing a non-cured waterproof coating material described in the foregoing second aspect.
A fourth aspect of the present invention provides the use of the non-curable waterproofing paint according to the third aspect described above in the field of waterproofing of buildings.
Through the technical scheme, the invention has at least the following advantages:
(1) Solves the layering phenomenon of the non-curing waterproof coating, improves the compatibility of all raw materials, obviously improves the low-temperature flexibility, heat resistance, extensibility, self-healing property and water channeling resistance of the non-curing waterproof coating, and comprehensively improves the performance of the non-curing waterproof coating.
(2) The non-curing waterproof coating is ensured not to generate brittle fracture phenomenon at the ambient temperature of-25 to 75 ℃, and after being compounded with the coiled material, the coiled material can be firmly bonded on the vertical surface and the inclined surface, so that the coiled material is prevented from falling off.
Detailed Description
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.
In the present invention, room temperature represents 25.+ -. 2 ℃ unless otherwise stated.
As previously described, a first aspect of the present invention provides a composition for a non-curable waterproof coating material, the composition comprising a hydrogenated asphalt, a synthetic rubber, a plasticizer and a wax-containing auxiliary agent;
Based on the total weight of the composition, the content of the hydrogenated asphalt is 40-60wt%, the content of the synthetic rubber is 5-15wt%, the content of the plasticizer is 20-40wt%, and the content of the wax-containing auxiliary agent is 5-15wt%;
the hydrogenated asphalt is prepared by a method comprising the following steps: introducing asphalt into a reactor (hereinafter referred to as a first reactor for distinguishing) filled with a nickel palladium cerium oxide composite catalyst supported by an organic solvent for hydrotreating; the hydrotreating conditions include: the temperature is 280-350 ℃, the pressure is 4-8MPa, and the volume ratio of hydrogen to asphalt is 1200-1800:1, the mass airspeed is 0.05-0.3h -1.
According to a preferred embodiment, the hydrotreating conditions are controlled such that the degree of hydrogenation of the resulting hydrogenated bitumen is in the range of 70 to 85%.
The hydrogenation degree of the hydrogenated asphalt is calculated by the following formula:
hydrogenation degree% = [1- (content of unsaturated bonds in hydrogenated asphalt after hydrogenation/content of unsaturated bonds in raw material asphalt before hydrogenation) ] ×100%.
The content of the unsaturated bond may be detected by a method conventional in the art, and may be detected by ultraviolet/visible spectroscopy or nuclear magnetic resonance, for example.
Preferably, the reactor (i.e. the first reactor) is a fixed bed catalytic reactor.
Preferably, the pitch has a penetration of 60-100 and a softening point of 40-60 ℃.
More preferably, the asphalt is selected from at least one of coal tar asphalt, petroleum asphalt, and natural asphalt.
Preferably, the organic solvent is selected from at least one of cyclohexane and carbon tetrachloride.
More preferably, the volume ratio of the asphalt to the organic solvent is 1:4-6.
The process for producing hydrogenated asphalt of the present invention may be further pretreated by various means known in the art, and the present invention is not particularly limited thereto, and for example, may be carried out in a direct dissolution manner. Illustratively, the present invention may include: the organic solvent is directly added into a stirred tank at room temperature to dissolve the asphalt. And will not be described in detail herein, those skilled in the art should not be construed as limiting the invention.
The method for producing hydrogenated asphalt of the present invention may be carried out by any means known in the art, and the present invention is not particularly limited to this, and may be carried out by, for example, condensation, distillation, or the like. Illustratively, the present invention may comprise condensing the mixture obtained after the hydrotreating step, and then subjecting the condensed mixture to a solvent recovery treatment, wherein the residual solids are the hydrogenated asphalt of the present invention, and will not be described herein in detail, and those skilled in the art should not understand the limitation of the present invention.
The inventor of the invention discovers that when the hydrogenated asphalt obtained by the method is used for preparing the non-curing waterproof coating, the raw materials cannot be layered, and the low-temperature flexibility, heat resistance, extensibility, self-healing property and water channeling resistance of the non-curing waterproof coating are obviously improved.
According to a preferred embodiment, the nickel palladium cerium oxide composite catalyst is prepared by a process comprising the steps of:
(1) Mixing cerium oxide carrier with bipyridine derivative containing hydroxyl to react to obtain carrier material I;
(2) And (3) carrying out contact mixing on the carrier material I and a metal source solution to obtain the nickel-palladium cerium oxide composite catalyst.
Preferably, the weight ratio of the cerium oxide support to the bipyridine derivative containing hydroxyl groups is 500:2-5. The inventors of the present invention found that, in this preferred case, the nickel palladium cerium oxide composite catalyst provided by the present invention can increase the hydrogenation degree of the hydrogenated asphalt.
Preferably, the metal source solution contains a molar ratio of 1:0.4-0.6 nickel element and palladium element. The inventors of the present invention found that, in this preferred case, the nickel palladium cerium oxide composite catalyst provided by the present invention can increase the hydrogenation degree of the hydrogenated asphalt.
Preferably, the specific surface area of the cerium oxide carrier is 2-5m 2/g, the pore volume is 0.2-0.5mL/g, and the cerium oxide carrier is columnar. The inventors of the present invention found that, in this preferred case, the nickel palladium cerium oxide composite catalyst provided by the present invention can increase the hydrogenation degree of the hydrogenated asphalt.
Preferably, the bipyridine derivative containing hydroxyl is selected from at least one of 4 '-hydroxy-2, 2':6', 2' -terpyridine and 2,2 '-bipyridine-4, 4' -dicarboxylic acid. The inventors of the present invention found that, in this preferred case, the nickel palladium cerium oxide composite catalyst provided by the present invention can increase the hydrogenation degree of the hydrogenated asphalt.
Preferably, the metal source solution is used in an amount of 10-80mL relative to 10g of the support material I.
Preferably, the concentration of the nickel element in the metal source solution is 0.01-0.1mol/L, and the concentration of the palladium element is 0.004-0.06mol/L.
Preferably, in step (1) and step (2), the conditions of the mixing reaction and the contact mixing are the same or different, each independently comprising: the temperature is 30-50 ℃ and the time is 20-28h.
In step (1), the bipyridine derivative having a hydroxyl group may be dissolved in the organic solvent to obtain the carrier material I. The organic solvent may be ethanol or diethyl ether, and the amount of the organic solvent added is mainly controlled so that the bipyridine derivative containing hydroxyl group is completely dissolved. And will not be described in detail herein, those skilled in the art should not be construed as limiting the invention.
Preferably, in step (1), a first drying is performed after the mixing reaction to obtain the support material I.
Preferably, in the step (2), the second drying, calcining and activating treatment are sequentially performed after the contact mixing, so as to obtain the nickel palladium cerium oxide composite catalyst.
Preferably, the conditions of the first drying and the second drying are the same or different, each independently including: the temperature is 40-100deg.C, and the time is 1-10h.
Preferably, the calcining conditions include: 400-500 ℃ for 4-8h.
It should be noted that the activation treatment may be performed by a method known in the art, and illustratively, the activation treatment may be performed by heating in a hydrogen atmosphere to reduce the oxide to the metal, which is not described herein, and those skilled in the art should not understand the limitation of the present invention.
The method for preparing the nickel palladium cerium oxide composite catalyst in the present invention may be performed by a pretreatment method known in the art, and the present invention is not particularly limited thereto, for example, a heat treatment method may be used to remove impurities and adsorbates from the surface of the cerium oxide support. The process parameters such as the temperature of the heat treatment are not particularly required in the present invention, and will not be described herein in detail, and those skilled in the art should not understand the limitation of the present invention.
Preferably, the synthetic rubber is at least one of styrene-isoprene-styrene rubber and styrene-butadiene-styrene rubber.
Particularly preferably, the synthetic rubber is styrene-butadiene-styrene rubber; further preferably, the styrene-butadiene-styrene rubber has a melt index of 0.01 to 2g/10min at 200℃under 5Kg conditions.
Preferably, the plasticizer is at least one selected from naphthenic oil, polyisobutene with a number average molecular weight not higher than 5000, polybutadiene with a number average molecular weight not higher than 5000, aromatic oil, and used engine oil.
Particularly preferably, the plasticizer is selected from naphthenic oils having a kinematic viscosity of 100-300m 2/s at 40 ℃.
Preferably, the wax-containing auxiliary agent is at least one selected from polyethylene wax, fischer-Tropsch wax and polypropylene wax with a number average molecular weight not higher than 2 ten thousand.
As described above, the second aspect of the present invention provides a method for producing a non-curable waterproof coating material, the method being carried out using the components of the composition for a non-curable waterproof coating material described in the first aspect, comprising: in the reactor (hereinafter referred to as the second reactor for distinction),
(S1) preheating and mixing a plasticizer and hydrogenated asphalt to obtain a material I;
(S2) carrying out first stirring and mixing on the material I and the synthetic rubber to obtain a material II;
And (S3) carrying out second stirring and mixing on the material II and the wax-containing auxiliary agent to obtain the non-curing waterproof coating.
Preferably, the reactor (i.e. the second reactor) is a planetary stirred tank.
Preferably, in step (S1), the conditions of the pre-heating and mixing are such that the temperature of the material I is raised to 160-200 ℃.
Preferably, in step (S2), the first agitation mixing conditions include a temperature of 160 to 200 ℃.
Preferably, in step (S3), the conditions of the second agitation mixing include a temperature of 150 to 180 ℃.
Preferably, in step (S2), the first stirring and mixing time is 1.5 to 3 hours.
Preferably, in step (S3), the second stirring and mixing time is 0.5 to 1.5 hours.
The stirring speed of the first stirring and mixing and the second stirring and mixing is not particularly limited in the present invention, and may be selected according to the stirring speeds known in the art.
As described above, the third aspect of the present invention provides a non-cured waterproof coating material prepared by the method for preparing a non-cured waterproof coating material described in the foregoing second aspect.
As previously described, a fourth aspect of the present invention provides the use of the non-curable waterproofing paint according to the third aspect described above in the field of waterproofing of buildings.
The invention will be described in detail below by way of examples. In the following examples, unless otherwise specified, various materials and instruments were used as commercial products, and specific sources of the materials are shown in Table 1.
TABLE 1
Model information of a part of the instruments used in the following examples is as follows:
the fixed bed catalytic reactor is of the model SW-Q2 and is purchased from the Utility research science and technology Co., ltd;
a planetary stirred tank, model TX-J-2, was purchased from Tai also (Shanghai) Utility Co., ltd.
The A series preparation example of the invention is used for preparing the nickel palladium cerium oxide composite catalyst.
The cerium oxide support used in the following examples was subjected to heat treatment prior to the mixing reaction with the bipyridine derivative having a hydroxyl group, the heat treatment conditions including a temperature of 100℃for 2 hours.
Preparation example A1
(1) Mixing cerium oxide carrier with bipyridine derivative containing hydroxyl (dissolved in ethanol), and drying the mixture obtained after the mixing reaction at 60 ℃ for 10 hours to obtain carrier material I;
(2) And (3) carrying out contact mixing on the carrier material I and a metal source solution, drying the mixture obtained after contact mixing at 60 ℃ for 5 hours, continuously calcining at 450 ℃ for 6 hours, and heating the calcined sample in a hydrogen atmosphere to obtain the nickel-palladium cerium oxide composite catalyst.
Unless otherwise specified, the remaining preparation examples were carried out with reference to the process of preparation example A1, except that the starting materials and process parameters used in each preparation example were not identical, see in particular the cases listed in Table 2.
TABLE 2
| Preparation example A1 | Preparation example A2 | |
| Step (1) | ||
| Cerium oxide support | ||
| Species of type | Cerium oxide support I | Cerium oxide support II |
| Dosage/g | 100g | Same preparation example A1 |
| Bipyridine derivative containing hydroxyl group/g | 0.5 | Same preparation example A1 |
| Mixing reaction | ||
| Temperature/. Degree.C | 40 | Same preparation example A1 |
| Time/h | 24 | Same preparation example A1 |
| Step (2) | ||
| Carrier material I/g | 80 | Same preparation example A1 |
| Metal source solution | ||
| Nickel element concentration (mol/L) | 0.02 | Same preparation example A1 |
| Palladium element concentration (mol/L) | 0.01 | Same preparation example A1 |
| Anions in metal source solutions | NO3 - | Same preparation example A1 |
| Dosage/mL | 80 | Same preparation example A1 |
| Contact mixing | ||
| Temperature/. Degree.C | 40 | Same preparation example A1 |
| Time/h | 24 | Same preparation example A1 |
| Nickel palladium cerium oxide composite catalyst naming | Catalyst A1 | Catalyst A2 |
The B series preparation examples of the invention are used for preparing hydrogenated asphalt.
Preparation example B1
At room temperature, adding an organic solvent (cyclohexane) into a stirred tank to dissolve asphalt (petroleum asphalt), introducing the dissolved asphalt into a fixed bed catalytic reactor filled with a nickel-palladium-cerium oxide supported composite catalyst for hydrotreating, condensing the mixture obtained after the hydrotreating step, and recovering cyclohexane, wherein the residual solid is the hydrogenated asphalt.
The hydrotreating conditions are shown in table 3.
Unless otherwise specified, the remaining preparation examples were carried out with reference to the process of preparation example B1, except that the raw materials and process parameters used in each preparation example were not identical, specifically referring to the cases listed in table 3.
TABLE 3 Table 3
The amounts of the raw materials in the following examples were parts by weight unless otherwise specified, and 1g was expressed per part by weight.
Example 1
(S1) preheating and mixing a plasticizer and hydrogenated asphalt in a planetary stirring kettle to obtain a material I;
(S2) carrying out first stirring and mixing on the material I and the synthetic rubber to obtain a material II;
And (S3) carrying out second stirring and mixing on the material II and the wax-containing auxiliary agent to obtain the non-curing waterproof coating T1.
The remaining examples were carried out with reference to the process of example 1, without any particular explanation, except that the starting materials and process parameters used in each example were not identical, see in particular the cases listed in table 4.
TABLE 4 Table 4
Comparative example 4
Comparative example 4 the procedure of example 1 was conducted except that 50 parts by weight of hydrogenated asphalt B1 in example 1 was replaced with 25 parts by weight of hydrogenated asphalt and 25 parts by weight of petroleum asphalt to prepare a non-cured waterproof coating material D-T4.
Comparative example 5
Comparative example 5 the procedure of example 1 was followed, except that the hydrogenated asphalt B1 of example 1 was replaced with an equal weight part of petroleum asphalt, to prepare a non-cured waterproof coating material D-T5.
Test case
The waterproof paint in the example is discharged, canned and cooled, and then the upper 1/4 sample and the lower 1/4 sample are respectively taken, and the lowest extreme low-temperature flexibility, the highest extreme heat resistance, the extensibility, the self-healing property and the water channeling resistance of the sample are respectively tested by referring to the standard JC/T2428-2017 non-cured rubber asphalt waterproof paint. The test results are shown in Table 5.
TABLE 5
As can be seen from the results of Table 5, the comparative examples were different in low-temperature flexibility and heat resistance properties, and the delamination phenomenon was remarkable. The non-curing waterproof coating prepared by the method has the advantages of improving low-temperature flexibility, heat resistance, extensibility, self-healing property and water channeling resistance, solving the layering phenomenon of the non-curing waterproof coating and comprehensively improving the performance of the non-curing waterproof coating.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, a number of simple variants of the technical solution of the invention are possible, including combinations of the individual technical features in any other suitable way, which simple variants and combinations should likewise be regarded as being disclosed by the invention, all falling within the scope of protection of the invention.
Claims (10)
1. A composition for non-curing waterproof paint is characterized in that the composition contains hydrogenated asphalt, synthetic rubber, plasticizer and wax-containing auxiliary agent;
Based on the total weight of the composition, the content of the hydrogenated asphalt is 40-60wt%, the content of the synthetic rubber is 5-15wt%, the content of the plasticizer is 20-40wt%, and the content of the wax-containing auxiliary agent is 5-15wt%;
The hydrogenated asphalt is prepared by a method comprising the following steps: introducing asphalt into a reactor filled with a nickel-palladium-cerium oxide-loaded composite catalyst in the presence of an organic solvent for hydrotreating; the hydrotreating conditions include: the temperature is 280-350 ℃, the pressure is 4-8MPa, and the volume ratio of hydrogen to asphalt is 1200-1800:1, the mass airspeed is 0.05-0.3h -1.
2. The composition for a non-curable waterproof coating material according to claim 1, wherein the penetration of the asphalt is 60 to 100 and the softening point is 40 to 60 ℃.
3. The composition for a non-curable waterproof coating material according to claim 1, wherein the synthetic rubber is at least one of styrene-isoprene-styrene rubber and styrene-butadiene-styrene rubber.
4. The composition for a non-curable waterproof coating material according to claim 1, wherein the plasticizer is at least one selected from the group consisting of naphthenic oil, polyisobutylene having a number average molecular weight of not more than 5000, polybutadiene having a number average molecular weight of not more than 5000, aromatic oil, and waste engine oil.
5. The composition for a non-curable waterproof coating material according to claim 1, wherein the wax-containing auxiliary agent is at least one selected from polyethylene wax, fischer-tropsch wax, polypropylene wax having a number average molecular weight of not more than 2 ten thousand.
6. A method for preparing a non-curable waterproof coating material, characterized in that the method is carried out using the components of the composition for a non-curable waterproof coating material according to any one of claims 1 to 5, comprising: in the reactor, the reaction vessel is provided with a plurality of reaction vessels,
(S1) preheating and mixing a plasticizer and hydrogenated asphalt to obtain a material I;
(S2) carrying out first stirring and mixing on the material I and the synthetic rubber to obtain a material II;
And (S3) carrying out second stirring and mixing on the material II and the wax-containing auxiliary agent to obtain the non-curing waterproof coating.
7. The method of claim 6, wherein the reactor is a planetary stirred tank.
8. The method according to claim 6 or 7, wherein, in step (S1), the conditions of the pre-heating mixing are such that the material I is warmed up to 160-200 ℃;
And/or, in step (S2), the conditions of the first agitation mixing include a temperature of 160 to 200 ℃;
and/or, in step (S3), the conditions of the second agitation mixing include a temperature of 150 to 180 ℃.
9. A non-cured waterproof coating material produced by the method for producing a non-cured waterproof coating material according to any one of claims 6 to 8.
10. Use of the non-curable waterproof coating material according to claim 9 in the field of building waterproofing.
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| CN85105609A (en) * | 1984-06-22 | 1987-01-28 | 千代田化工建设株式会社 | Method for hydrogenating coal tar pitch |
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| CN113897137A (en) * | 2021-10-14 | 2022-01-07 | 南通科顺建筑新材料有限公司 | Rubber asphalt waterproof coating composition, preparation method thereof and building material |
| CN114181623A (en) * | 2021-12-30 | 2022-03-15 | 辽宁大禹防水科技发展有限公司 | Root-resistant non-cured rubber asphalt waterproof coating and preparation method thereof |
| US20220372385A1 (en) * | 2019-10-31 | 2022-11-24 | China Petroleum & Chemical Corporation | Process and system for hydrotreating deoiled asphalt |
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2023
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| CN85105609A (en) * | 1984-06-22 | 1987-01-28 | 千代田化工建设株式会社 | Method for hydrogenating coal tar pitch |
| CN102031002A (en) * | 2010-12-22 | 2011-04-27 | 北京东方雨虹防水技术股份有限公司 | Non-cured asphalt mastic |
| US20220372385A1 (en) * | 2019-10-31 | 2022-11-24 | China Petroleum & Chemical Corporation | Process and system for hydrotreating deoiled asphalt |
| CN113897137A (en) * | 2021-10-14 | 2022-01-07 | 南通科顺建筑新材料有限公司 | Rubber asphalt waterproof coating composition, preparation method thereof and building material |
| CN114181623A (en) * | 2021-12-30 | 2022-03-15 | 辽宁大禹防水科技发展有限公司 | Root-resistant non-cured rubber asphalt waterproof coating and preparation method thereof |
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