CN113122012B - Construction petroleum asphalt No. 10 and preparation method thereof - Google Patents
Construction petroleum asphalt No. 10 and preparation method thereof Download PDFInfo
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- CN113122012B CN113122012B CN202110436221.3A CN202110436221A CN113122012B CN 113122012 B CN113122012 B CN 113122012B CN 202110436221 A CN202110436221 A CN 202110436221A CN 113122012 B CN113122012 B CN 113122012B
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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
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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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
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention provides a construction petroleum asphalt No. 10, which is prepared from deoiled asphalt, hydrogenated tail oil and/or recycle oil, SBS and sulfur. Compared with the prior art, the invention prepares the deoiled asphalt which can not meet the requirement of asphalt index (GBT494-2010 construction petroleum asphalt), hydrogenated tail oil/recycle oil, SBS and sulfur into qualified construction petroleum asphalt No. 10, on one hand, the source of asphalt production raw materials is widened, the wax-containing crude oil can also be used as the asphalt production raw materials, and the deoiled asphalt is obtained to be used as the raw material of No. 10 asphalt; on the other hand, the production process of the asphalt is enriched, and the production limit of No. 10 asphalt caused by the environmental protection problem is solved. The invention also provides a preparation method of the building petroleum asphalt No. 10.
Description
Technical Field
The invention belongs to the technical field of petroleum asphalt, and particularly relates to construction petroleum asphalt No. 10 and a preparation method thereof.
Background
Along with the rapid development of economic construction, especially infrastructure, in China, the demand of waterproof materials is larger and larger, and the application range is also rapidly expanded. The variety of waterproof materials is wide, and especially the environmental protection and the multi-functionalization become the development direction of the future waterproof materials.
Petroleum asphalt is a product of crude oil processing, and is a black or blackish brown viscous liquid, semisolid or solid at normal temperature, mainly containing hydrocarbon and non-hydrocarbon derivatives soluble in trichloroethylene, and its properties and composition vary depending on the crude oil source and production method. The main production methods of the prior petroleum asphalt comprise: distillation, blending, oxidation, solvent deasphalting, and the like.
At present, the production process of the oxidation method is mainly adopted for the construction of No. 10 petroleum asphalt, but the oxidation process has the phenomenon of serious environmental pollution, and the state forbids the reconstruction of an asphalt oxidation device. No. 10 asphalt is mainly used for improving the high-temperature performance of the waterproof roll and avoiding the phenomenon of paralysis and softness in summer.
Disclosure of Invention
In view of the above, the invention aims to provide the construction petroleum asphalt No. 10 and the preparation method thereof, and the method provided by the invention can be used for preparing the construction petroleum asphalt No. 10 with qualified performance.
The invention provides a construction petroleum asphalt No. 10, which is prepared from the following raw materials:
deoiling asphalt;
oil substances selected from hydrogenated tail oil and/or cycle oil;
SBS；
sulfur.
Preferably, the mass ratio of the deoiled asphalt to the oil substances to the SBS to the sulfur is (7-9): (0.5-2): (0.05-0.3) and (0.006-0.012).
Preferably, the preparation method of the deoiled asphalt comprises the following steps:
the asphalt is prepared by adopting a solvent deasphalting process.
Preferably, the kinematic viscosity of the oil substance at 100 ℃ is 1-10 mm 2 /s。
Preferably, the flash point of the oil substance is more than or equal to 260 ℃.
Preferably, the aromatic hydrocarbon mass content in the oil substances is 65-75%.
Preferably, the SBS is linear SBS.
Preferably, the SBS has an average molecular weight of 10-20 ten thousand.
Preferably, the purity of the sulphur is preferably > 99%.
The invention provides a preparation method of the building petroleum asphalt No. 10, which comprises the following steps:
mixing deoiled asphalt and oil substances uniformly, heating and stirring uniformly, then adding SBS, heating and stirring until no solid particles exist, adding sulfur, and stirring uniformly to obtain the No. 10 building petroleum asphalt.
The invention provides a construction petroleum asphalt No. 10, which is prepared from deoiled asphalt, hydrogenated tail oil and/or recycle oil, SBS and sulfur. Compared with the prior art, the invention prepares the deoiled asphalt which can not meet the requirement of asphalt index (GBT494-2010 construction petroleum asphalt), hydrogenated tail oil/recycle oil, SBS and sulfur into qualified construction petroleum asphalt No. 10, on one hand, the source of asphalt production raw materials is widened, the wax-containing crude oil can also be used as the asphalt production raw materials, and the deoiled asphalt is obtained to be used as the raw material of No. 10 asphalt; on the other hand, the production process of the asphalt is enriched, and the production limit of No. 10 asphalt caused by the environmental protection problem is solved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other examples, which may be modified or appreciated by those of ordinary skill in the art based on the examples given herein, are intended to be within the scope of the present invention. It should be understood that the embodiments of the present invention are only for illustrating the technical effects of the present invention, and are not intended to limit the scope of the present invention. In the examples, the methods used are conventional methods unless otherwise specified.
The invention provides a construction petroleum asphalt No. 10, which is prepared from the following raw materials:
deoiling asphalt;
oil substances selected from hydrogenated tail oil and/or cycle oil;
SBS；
sulfur.
In the invention, the needle penetration of the deoiled asphalt at 25 ℃ is preferably 0-10 dmm, more preferably 2-8 dmm, and most preferably 3-6 dmm; the softening point is preferably > 100 ℃, more preferably 100 to 120 ℃, and most preferably 110 ℃.
In the present invention, the method for preparing the deoiled asphalt preferably comprises:
is prepared by adopting a solvent deasphalting process.
The source of the deoiled asphalt is not particularly limited, the deoiled asphalt can be prepared according to the method, and can also be purchased from the market, such as the constant force petrochemical deoiled asphalt 200 #.
In the present invention, the oil substance is selected from hydrogenated tail oil and/or recycle oil; the kinematic viscosity of the oil substance at 100 ℃ is preferably 1-10 mm 2 (ii) s, more preferably 2 to 8mm 2 S, most preferably 3 to 6mm 2 S; the flash point of the oil substances is preferably equal to or more than 260 ℃; the aromatic hydrocarbon mass content in the oil substances is preferably 65-75%, more preferably 68-72%, and most preferably 70%.
In the invention, the hydrogenated oil can be obtained from the market, such as constant force petrochemical hydrogenated tail oil.
In the present invention, the recycle oil is preferably a catalytic cracking product, such as a catalytic cracker product.
In the invention, the recycle oil contains aromatic hydrocarbon and colloid components, so that the ductility of the asphalt can be improved, and meanwhile, the modifier SBS is swelled.
In the present invention, the SBS (styrene-butadiene-styrene block copolymer) is preferably linear SBS; the average molecular weight of SBS is 10-20 ten thousand preferably, 12-18 ten thousand more preferably, 14-16 ten thousand most preferably.
The source of the SBS is not particularly limited, and the SBS is commercially available.
In the present invention, the purity of the sulfur is preferably > 99%.
In the present invention, the sulfur is preferably a desulfurization product, such as a desulfurization unit product.
In the present invention, the sulfur preferably also contains a sulfate, which promotes the crosslinking of the SBS modifier and the asphalt component.
In the invention, the mass ratio of the deoiled asphalt, the oil substances, the SBS and the sulfur is preferably (7-9): (0.5-2): (0.05-0.3): (0.006-0.012), more preferably (7.5-8.5): (0.7-1.5): (0.05-0.15): (0.008-0.01), most preferably 8: (1-1.3): (0.08-0.12): 0.009.
the invention provides a preparation method of the building petroleum asphalt No. 10 in the technical scheme, which comprises the following steps:
mixing deoiled asphalt and oil substances uniformly, heating and stirring uniformly, then adding SBS, heating and stirring until no solid particles exist, adding sulfur, heating and stirring uniformly to obtain the No. 10 building petroleum asphalt.
In the invention, the deoiled asphalt and the oil substances are uniformly mixed, and the temperature when the deoiled asphalt and the oil substances are uniformly heated and stirred is preferably 140-160 ℃, more preferably 145-155 ℃, and most preferably 150 ℃; the heating and stirring time is preferably 30-60 min, more preferably 35-55 min, more preferably 40-50 min, and most preferably 45 min.
In the invention, SBS is added, and the temperature of heating and stirring is preferably 160-170 ℃, more preferably 162-168 ℃, and most preferably 164-166 ℃ until no solid particles exist; the time for heating and stirring is preferably 30-60 min, more preferably 35-55 min, more preferably 40-50 min, and most preferably 45 min.
In the invention, sulfur is added, and the temperature when the mixture is heated and stirred uniformly is preferably 160-170 ℃, more preferably 162-168 ℃, and most preferably 164-166 ℃; the heating and stirring time is preferably 60-80 min, more preferably 65-75 min, and most preferably 70 min.
The invention provides a construction petroleum asphalt No. 10, which is prepared from deoiled asphalt, hydrogenated tail oil and/or recycle oil, SBS and sulfur. Compared with the prior art, the invention prepares the deoiled asphalt which can not meet the requirement of asphalt index (GBT494-2010 construction petroleum asphalt), hydrogenated tail oil/recycle oil, SBS and sulfur into qualified construction petroleum asphalt No. 10, on one hand, the source of asphalt production raw materials is widened, the wax-containing crude oil can also be used as the asphalt production raw materials, and the deoiled asphalt is obtained to be used as the raw material of No. 10 asphalt; on the other hand, the production process of the asphalt is enriched, and the production limit of No. 10 asphalt caused by the environmental protection problem is solved.
The deoiled asphalt used in the following examples of the present invention is a permanent petrochemical deoiled asphalt No. 200, the hydrogenated tail oil is a permanent petrochemical hydrogenated tail oil, the recycle oil is a catalytic cracking unit product, a sulfur desulfurization unit product, and the SBS is a Yueyang petrochemical 791H product.
Example 1
Deoiled asphalt (penetration degree of 2dmm at 25 ℃ and softening point of 110 ℃) and recycle oil (kinematic viscosity of 2mm at 100 ℃) are adopted 2 The method comprises the following steps of preparing No. 10 building petroleum asphalt by using 67% of aromatic hydrocarbon by mass, an SBS modifier (with the molecular weight of 12.5 ten thousand) and sulfur (with the content (purity) of more than 99%), uniformly mixing 150 parts by weight of deoiled asphalt and 30 parts by weight of remixed oil, heating and stirring uniformly at 150 ℃, then adding 3 parts by weight of SBS, heating and stirring at 170 ℃ until no solid particles exist, adding 0.017 part by weight of sulfur, stirring uniformly at 170 ℃, and taking 3 hours in total.
The performance of the construction petroleum asphalt No. 10 prepared in the example 1 of the present invention was measured, and the results are shown in Table 1.
Table 1 performance test results of construction petroleum asphalt No. 10 prepared in example 1 of the present invention
Example 2
Deoiled asphalt (penetration degree of 2dmm at 25 ℃ and softening point of 110 ℃) and recycle oil (kinematic viscosity of 2mm at 100 ℃) are adopted 2 S, aromatic hydrocarbon content 67%), SBS modifier (molecular weight 12.5 ten thousand), sulfur (content > 99%) to prepare No. 10 construction petroleum asphalt, 160 weight portions of deoiled asphalt and 20 weight portions of recycle oil are mixed evenly, heated and stirred evenly at 150 ℃, then 2 weight portions of SBS are added, heated and stirred at 170 ℃ until no solid particles exist, 0.017 weight portion of sulfur is added, stirred evenly at 170 ℃, and the total time is 3 hours.
The performance of the construction petroleum asphalt No. 10 prepared in the example 2 of the present invention was measured, and the results are shown in Table 2.
Table 2 performance test results of the architectural petroleum asphalt No. 10 prepared in example 2 of the present invention
Example 3
Deoiled asphalt (penetration of 2dmm at 25 ℃, softening point of 110 ℃) and cycle oil (kinematic viscosity of 2mm at 100 ℃) are adopted 2 S, aromatic hydrocarbon content 67%), SBS modifier (molecular weight 12.5 ten thousand), sulfur (content > 99%) to prepare No. 10 construction petroleum asphalt, 170 weight portions of deoiled asphalt and 15 weight portions of recycle oil are mixed evenly, heated and stirred evenly at 150 ℃, then 1.5 weight portions of SBS are added, heated and stirred at 170 ℃ until no solid particles exist, 0.017 weight portion of sulfur is added, stirred evenly at 170 ℃, and the total time is 3 hours.
The performance of the construction petroleum asphalt No. 10 prepared in example 3 of the present invention was measured, and the measurement results are shown in Table 3.
Table 3 performance test results of the architectural petroleum asphalt No. 10 prepared in example 3 of the present invention
Example 4
Deoiled asphalt (penetration degree of 2dmm at 25 ℃ and softening point of 110 ℃) and recycle oil (kinematic viscosity of 2mm at 100 ℃) are adopted 2 S, aromatic hydrocarbon content 67%), SBS modifier (molecular weight 12.5 ten thousand), sulfur (content > 99%) to prepare No. 10 construction petroleum asphalt, 160 weight portions of deoiled asphalt and 15 weight portions of recycle oil are mixed evenly, heated and stirred evenly at 150 ℃, then 1.5 weight portions of SBS are added, heated and stirred at 170 ℃ until no solid particles exist, 0.017 weight portion of sulfur is added, stirred evenly at 170 ℃, and the total time is 3 hours.
The performance of the construction petroleum asphalt No. 10 prepared in the example 4 of the present invention was measured, and the results are shown in Table 4.
Table 4 performance test results of construction petroleum asphalt No. 10 prepared in example 4 of the present invention
Example 5
Deoiled asphalt (penetration degree of 2dmm at 25 ℃ and softening point of 110 ℃) and hydrogenated tail oil (kinematic viscosity of 8mm at 100 ℃) are adopted 2 (s, aromatic hydrocarbon content 71%), SBS modifier (molecular weight 12.5 ten thousand), sulfur (content > 99%) to prepare No. 10 construction petroleum asphalt, 160 weight portions of deoiled asphalt and 15 weight portions of hydrogenated tail oil are mixed evenly, heated and stirred evenly at 150 ℃, then 1.5 weight portions of SBS are added, heated and stirred at 170 ℃ until no solid particles exist, 0.017 weight portion of sulfur is added, stirred evenly at 170 ℃, and the total time is 3 hours.
The performance of the construction petroleum asphalt No. 10 prepared in example 5 of the present invention was measured, and the measurement results are shown in Table 5.
TABLE 5 Performance test results for No. 10 petroleum asphalt for construction prepared in example 5 of the present invention
Comparative example 1
The Dongying morning-derived chemical company Limited markets construction petroleum asphalt No. 10.
The performance of the construction petroleum asphalt No. 10 provided in comparative example 1 of the present invention was measured, and the results are shown in Table 6.
TABLE 6 Performance test results of No. 10 Petroleum asphalt for construction provided in comparative example 1 of the present invention
According to the performance detection results, the method provided by the embodiment of the invention can be used for preparing the building petroleum asphalt product with qualified performance.
From the above examples, the invention provides a construction petroleum asphalt No. 10, which is prepared from deoiled asphalt, hydrogenated tail oil and/or recycle oil, SBS and sulfur. Compared with the prior art, the invention prepares the deoiled asphalt which can not meet the asphalt index (GBT494-2010 construction petroleum asphalt), the hydrogenated tail oil/recycle oil, the SBS and the sulfur into the qualified construction petroleum asphalt No. 10, on one hand, the source of asphalt production raw materials is widened, the wax-containing crude oil can also be used as the asphalt production raw materials, and the deoiled asphalt is obtained to be used as the raw material of the No. 10 asphalt; on the other hand, the production process of the asphalt is enriched, and the production limit of No. 10 asphalt caused by the environmental protection problem is solved.
While only the preferred embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. A construction petroleum asphalt No. 10 is prepared from the following raw materials:
deoiling asphalt;
oil substances selected from hydrogenated tail oil and/or cycle oil;
SBS；
sulfur;
the mass ratio of the deoiled asphalt to the oil substances to the SBS to the sulfur is (7-9): (0.5-2): (0.05-0.3): (0.006-0.012);
the kinematic viscosity of the oil substance at 100 ℃ is 1-10 mm 2 /s；
The flash point of the oil substances is more than or equal to 260 ℃;
the mass content of aromatic hydrocarbon in the oil substances is 65-75%.
2. The construction petroleum asphalt 10 of claim 1, wherein the deoiled asphalt is prepared by the method comprising:
is prepared by adopting a solvent deasphalting process.
3. The architectural petroleum asphalt No. 10 of claim 1, wherein said SBS is linear SBS.
4. The construction petroleum asphalt No. 10 of claim 1, wherein the SBS has an average molecular weight of 10-20 ten thousand.
5. The architectural petroleum asphalt No. 10 of claim 1, wherein the sulfur is > 99% pure.
6. A method of preparing the construction petroleum asphalt No. 10 of claim 1, comprising:
mixing deoiled asphalt and oil substances uniformly, heating and stirring uniformly, then adding SBS, heating and stirring until no solid particles exist, adding sulfur, and stirring uniformly to obtain the No. 10 building petroleum asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110436221.3A CN113122012B (en) | 2021-04-22 | 2021-04-22 | Construction petroleum asphalt No. 10 and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110436221.3A CN113122012B (en) | 2021-04-22 | 2021-04-22 | Construction petroleum asphalt No. 10 and preparation method thereof |
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| CN113122012A CN113122012A (en) | 2021-07-16 |
| CN113122012B true CN113122012B (en) | 2022-09-23 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164344A (en) * | 1984-09-12 | 1986-03-19 | Exxon France | Bituminous compositions and preparation thereof |
| US7811373B2 (en) * | 2007-09-28 | 2010-10-12 | Sierra Process Systems, Inc. | Incorporation of heat-treated recycled tire rubber in asphalt compositions |
| CN106317917A (en) * | 2016-08-12 | 2017-01-11 | 中国石油化工股份有限公司 | Building asphalt and preparing method thereof |
| CN108384253B (en) * | 2018-01-31 | 2020-06-02 | 中国石油天然气股份有限公司长庆石化分公司 | Building asphalt prepared by hard deoiled asphalt |
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