CN109266374B - Australian C-320 asphalt and production method thereof - Google Patents
Australian C-320 asphalt and production method thereof Download PDFInfo
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- CN109266374B CN109266374B CN201811174557.1A CN201811174557A CN109266374B CN 109266374 B CN109266374 B CN 109266374B CN 201811174557 A CN201811174557 A CN 201811174557A CN 109266374 B CN109266374 B CN 109266374B
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- 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
- C10C3/005—Working-up pitch, asphalt, bitumen by mixing several fractions (also coaltar fractions with petroleum fractions)
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses Australian C-320 asphalt and a production method thereof, wherein the asphalt comprises the following components in parts by mass: 100 parts of vacuum residue; 0-5 parts of extract oil; 0-10 parts of hard asphalt. The invention adopts specific and suitable crude oil, specific mixing proportion and specific production process to produce vacuum residue oil, and then the vacuum residue oil is mixed with extract oil and hard asphalt with specific requirements according to specific conditions to produce asphalt products meeting the quality index requirements of Australian No. C-320 asphalt. The problem that the asphalt product produced by adopting the traditional petroleum refining raw materials, the formula and the process can not reach the quality index of Australian No. C-320 asphalt is solved.
Description
Technical Field
The invention relates to the field of petroleum processing products, in particular to Australian No. C-320 asphalt and a production method thereof.
Background
In recent years, with the increasing petroleum refining capacity of domestic oil refineries, the domestic asphalt production capacity is rapidly increased, so that the competition of the current domestic asphalt product market is very strong, particularly homogenization competition. In order to seek higher profit and sales volume, at present, domestic oil refiners all hope to produce asphalt products meeting foreign standards. However, the quality indexes of the asphalt in foreign countries are greatly different from those of the asphalt in China, and the asphalt products produced by adopting the traditional petroleum refining raw materials, formulas and processes are difficult to meet the requirements of the quality standards of the asphalt in foreign countries.
For example, although the import demand of asphalt products in australia reaches millions of tons every year, the asphalt products produced by the traditional petroleum refining raw materials and production process formulas in China all mainly meet the national asphalt product standards and cannot meet the asphalt quality index requirements of australia, so that the produced asphalt products cannot be exported to australia, and an important asphalt export market is lost.
Disclosure of Invention
The first purpose of the invention is to provide Australian C-320 asphalt, and the invention meets the requirements of relevant performance indexes.
A second object of the present invention is to provide a process for the production of Australian C-320 bitumen as defined above.
The purpose of the invention can be realized by the following technical scheme:
australian No. C-320 asphalt comprises the following components in parts by mass:
vacuum residue 100
0-5 parts of extract oil
0 to 10 portions of hard asphalt
Preferably, the vacuum residue is prepared by mixing the Iran heavy crude oil and the Egyptim crude oil according to the weight ratio of 9: 1 proportion of the mixture or mixing the Saudi medium crude oil and the Columbia Cassia crude oil according to the proportion of 3: mixing at a ratio of 1.
Preferably, the vacuum residue production device adopts a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the process operating conditions of a vacuum system are as follows:
the total outlet temperature of the pressure reduction furnace is 365-;
the temperature at the top of the decompression tower is 40-100 ℃, the vacuum degree at the top of the decompression tower is not less than 95kPa, the temperature of the second-line liquid phase is 220-.
Preferably, the penetration range of the vacuum residue after deep drawing is controlled to be 401/10 mm-701/10 mm.
Preferably, the extract oil is refined by four-way furfural and has an open flash point of more than 250 ℃.
Preferably, the hard asphalt is low-grade straight-run asphalt refined from Sauter heavy crude oil, the dynamic viscosity at 60 ℃ is more than 380Pa.s, and the penetration is 201/10 mm-301/10 mm.
A method for producing Australian No. C-320 asphalt comprises the following steps:
1) heating 100 parts by mass of vacuum residue to 135-150 ℃, injecting the vacuum residue into an asphalt blending tank, and mechanically stirring the vacuum residue at the temperature of 135-150 ℃;
2) detecting the dynamic viscosity index of the vacuum residue at 60 ℃;
3) if the detection value of the dynamic viscosity index of the vacuum residue oil at 60 ℃ is more than 380Pa.s, injecting the extract oil with the corresponding mass part into an asphalt blending tank according to the proportion that 1 mass part of the extract oil is correspondingly added in each 20Pa.s, and mechanically stirring and blending the extract oil with the vacuum residue oil at the temperature of 135-150 ℃ for 4-6 h;
if the detection value of the dynamic viscosity index of the vacuum residue oil at 60 ℃ is less than 260Pa.s, injecting the hard asphalt with the corresponding mass part into an asphalt blending tank according to the proportion that 1 mass part of hard asphalt is correspondingly added into each 8Pa.s, and mechanically stirring and blending the hard asphalt and the vacuum residue oil at the temperature of 135-150 ℃ for 4-6 h;
if the detection value of the dynamic viscosity index of the vacuum residue at 60 ℃ is between 260Pa.s and 380Pa.s, the vacuum residue is directly mechanically stirred for 1 to 2 hours at the temperature of between 135 and 150 ℃ without injecting extract oil or hard asphalt;
4) after stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 110-130 ℃, and is delivered from a factory within 15 days.
The extraction oil injection rule stated in step 3) means that if the detection value of the dynamic viscosity index of the vacuum residue at 60 ℃ is greater than 380Pa.s, 1 mass part of extraction oil is injected into the asphalt blending tank to be mechanically stirred and blended with the vacuum residue every 20Pa.s, for example, if the detection value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 400Pa.s, 1 mass part of extraction oil is injected, if the detection value is 420Pa.s, 2 mass parts of extraction oil is injected, if the remainder of the difference value of the detection values is less than 20Pa.s, the difference value is calculated according to 20Pa.s, for example, the detection value is 390Pa.s, 1 mass part of extraction oil needs to be injected, and if the detection value is 428Pa.s, 3 mass parts of extraction oil needs to be injected, and so on.
The injection rule of the hard asphalt means that if the detection value of the dynamic viscosity index of the vacuum residue at 60 ℃ is less than 260Pa.s, 1 part by mass of the hard asphalt is injected into an asphalt blending tank to be mechanically stirred and blended with the vacuum residue every 8Pa.s, for example, if the detection value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 252Pa.s, 1 part by mass of the hard asphalt is injected, if the detection value is 244Pa.s, 2 parts by mass of the hard asphalt is injected, if the remainder of the difference of the detection values is less than 8Pa.s, for example, the detection value is 255Pa.s, 1 part by mass of the hard asphalt needs to be injected, if the detection value is 239Pa.s, 3 parts by mass of the hard asphalt needs to be injected, and the like.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention adopts specific and suitable crude oil, specific mixing proportion and specific production process to produce vacuum residue oil, and then the vacuum residue oil is mixed with extract oil and hard asphalt with specific requirements according to specific conditions to produce asphalt products meeting the quality index requirements of Australian No. C-320 asphalt. The problem that the asphalt product produced by adopting the traditional petroleum refining raw materials, the formula and the process can not reach the quality index of Australian No. C-320 asphalt is solved.
2) The production raw materials are easy to obtain, the production process is simple, and the method is suitable for industrial production.
3) The production process technical formula provided by the invention fills the blank of the technology for producing export asphalt in China and improves the export competitiveness of asphalt products in China.
Detailed Description
The following examples further illustrate the invention so that those skilled in the art may better understand it and practice it, but the examples are not intended to limit the invention.
Example one
(1) 100 parts by mass of vacuum residue is heated to 150 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 150 ℃.
(2) And detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 466 Pa.s.
(3) And 5 parts by mass of extract oil is injected into an asphalt blending tank to be mechanically stirred and blended with the vacuum residue at the temperature of 150 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
The vacuum residue in this example was prepared from Iran heavy crude oil and Egyptim crude oil in the following ratio of 9: the mixture is mixed according to the proportion of 1 and then is deeply drawn out by a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the penetration degree is 411/10 mm.
The extract oil in the embodiment adopts tetra furfural reduced refined extract oil refined from Sauter light crude oil, and the open flash point is more than 250 ℃.
Example two
(1) 100 parts by mass of vacuum residue is heated to 150 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 150 ℃.
(2) And detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 473 Pa.s.
(3) And 5 parts by mass of extract oil is injected into an asphalt blending tank to be mechanically stirred and blended with the vacuum residue at the temperature of 150 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
The vacuum residue in this example was prepared from Saudi medium crude oil and Columbia Cassia crude oil in a ratio of 3: the mixture is mixed according to the proportion of 1 and then is deeply drawn out by a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the penetration degree is 421/10 mm.
The extract oil in the embodiment adopts tetra furfural reduced refined extract oil refined from Sauter light crude oil, and the open flash point is more than 250 ℃.
EXAMPLE III
(1) 100 parts by mass of vacuum residue is heated to 145 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 145 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 369 Pa.s.
(3) The mechanical stirring of the vacuum residue was continued at a temperature of 145 ℃ for 1 h.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
The vacuum residue in this example was prepared from Iran heavy crude oil and Egyptim crude oil in the following ratio of 9: the mixture is mixed according to the proportion of 1 and then is deeply drawn out by a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the penetration degree is 531/10 mm.
Example four
(1) 100 parts by mass of vacuum residue is heated to 145 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 145 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 314 Pa.s.
(3) The mechanical stirring of the vacuum residue was continued at a temperature of 145 ℃ for 1 h.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
The vacuum residue in this example was prepared from Saudi medium crude oil and Columbia Cassia crude oil in a ratio of 3: the mixture is mixed according to the proportion of 1 and then is deeply drawn out by a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the penetration degree is 561/10 mm.
EXAMPLE five
(1) 100 parts by mass of vacuum residue is heated to 140 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 140 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 195 Pa.s.
(3) 9 parts by mass of hard asphalt is injected into an asphalt blending tank to be mechanically stirred and blended with vacuum residue at the temperature of 140 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
The vacuum residue in this example was prepared from Iran heavy crude oil and Egyptim crude oil in the following ratio of 9: the mixture is mixed according to the proportion of 1 and then is deeply drawn out by a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the penetration degree is 671/10 mm.
The hard asphalt in the embodiment adopts low-grade straight-run asphalt refined from Sauter heavy crude oil, the dynamic viscosity at 60 ℃ is 785Pa.s, and the penetration is 271/10 mm.
EXAMPLE six
(1) 100 parts by mass of vacuum residue is heated to 140 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 140 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 182 Pa.s.
(3) Injecting 10 parts by mass of hard asphalt into an asphalt blending tank, and mechanically stirring and blending the hard asphalt and the vacuum residue at the temperature of 140 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
The vacuum residue in this example was prepared from Saudi medium crude oil and Columbia Cassia crude oil in a ratio of 3: the mixture is mixed according to the proportion of 1 and then is deeply drawn out by a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the penetration degree is 691/10 mm.
The hard asphalt in the embodiment adopts low-grade straight-run asphalt refined from Sauter heavy crude oil, the dynamic viscosity at 60 ℃ is 785Pa.s, and the penetration is 271/10 mm.
EXAMPLE seven
(1) 105 parts by mass of vacuum residue was heated to 140 ℃ and poured into an asphalt blending tank, and mechanically stirred at 140 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 182 Pa.s.
(3) Injecting 10 parts by mass of hard asphalt into an asphalt blending tank, and mechanically stirring and blending the hard asphalt and the vacuum residue at the temperature of 140 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
Example eight
(1) 110 parts by mass of vacuum residue is heated to 140 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 140 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 182 Pa.s.
(3) Injecting 10 parts by mass of hard asphalt into an asphalt blending tank, and mechanically stirring and blending the hard asphalt and the vacuum residue at the temperature of 140 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
Example nine
(1) 115 parts by mass of vacuum residue is heated to 140 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 140 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 182 Pa.s.
(3) Injecting 10 parts by mass of hard asphalt into an asphalt blending tank, and mechanically stirring and blending the hard asphalt and the vacuum residue at the temperature of 140 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
Example ten
(1) 120 parts by mass of vacuum residue is heated to 140 ℃ and then injected into an asphalt blending tank, and mechanical stirring is carried out at 140 ℃.
(2) And (3) detecting the dynamic viscosity index of the vacuum residue at 60 ℃, wherein the detected value of the dynamic viscosity index of the vacuum residue at 60 ℃ is 182 Pa.s.
(3) Injecting 10 parts by mass of hard asphalt into an asphalt blending tank, and mechanically stirring and blending the hard asphalt and the vacuum residue at the temperature of 140 ℃ for 6 hours.
(4) After stirring and blending, the finished product is conveyed into an asphalt storage tank for storage at the temperature of 120 ℃ for 15 days before delivery.
The properties of the samples obtained in the first to sixth examples were measured, and the measurement results are shown in table 1.
Table 1 analysis of properties of examples
As shown in the test results in Table 1, the asphalt product produced by adopting the raw material formula and the process technology completely meets the quality index requirements of Australian asphalt No. C-320. Fills the blank of the technology for producing export asphalt in China and improves the export competitiveness of asphalt products in China.
The above-described embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and various other modifications, substitutions and alterations can be made to the above-described structure of the present invention without departing from the basic technical concept of the present invention as described above, according to the common technical knowledge and conventional means in the field of the present invention.
Claims (4)
1. Australian No. C-320 asphalt is characterized by comprising the following components in parts by mass:
vacuum residue 100
0-5 parts of extract oil
0-10 parts of hard asphalt;
the preparation process of Australian No. C-320 asphalt comprises the following steps: stirring and heating 100 parts by mass of vacuum residue to 135-150 ℃, and detecting the dynamic viscosity index at 60 ℃; if the detection value is more than 380Pa.s, adding 1 part by mass of extract oil according to the proportion of every 20Pa.s, and mechanically stirring and blending the extract oil and the vacuum residue oil at the temperature of 135-150 ℃ for 4-6 h; if the detection value is less than 260Pa.s, adding 1 part by mass of hard asphalt per 8Pa.s, and mechanically stirring and blending the corresponding parts by mass of hard asphalt and the vacuum residue at the temperature of 135-150 ℃ for 4-6 h; if the detected value is between 260Pa.s and 380Pa.s, the extract oil or the hard asphalt does not need to be injected, and the mechanical stirring is carried out for 1 to 2 hours at the temperature of 135 to 150 ℃;
the vacuum residue is prepared by mixing Iran heavy crude oil and Egyptian crude oil according to the weight ratio of 9: 1 proportion of the mixture or mixing the Saudi medium crude oil and the Columbia Cassia crude oil according to the proportion of 3: 1, mixing in proportion; the extract oil is refined by four-way furfural and refined by Saudi light crude oil, and the opening flash point is more than 250 ℃; the hard asphalt is low-grade straight-run asphalt refined from Sauter heavy crude oil, the dynamic viscosity at 60 ℃ is more than 380Pa.s, and the penetration is 201/10-301/10 mm.
2. Australian asphalt No. C-320 according to claim 1, wherein: the production device of the vacuum residue adopts a 1000-ten-thousand-ton atmospheric and vacuum distillation device, and the process operating conditions of a vacuum system are as follows:
the total outlet temperature of the pressure reduction furnace is 365-;
the temperature at the top of the decompression tower is 40-100 ℃, the vacuum degree at the top of the decompression tower is not less than 95kPa, the temperature of the second-line liquid phase is 220-.
3. An Australian C-320 asphalt according to any one of claims 1 to 2, wherein: the penetration range of the vacuum residue after deep drawing is controlled between 401/10mm and 701/10 mm.
4. A method for producing Australian No. C-320 asphalt is characterized by comprising the following steps:
1) heating 100 parts by mass of vacuum residue to 135-150 ℃, injecting the vacuum residue into an asphalt blending tank, and mechanically stirring the vacuum residue at the temperature of 135-150 ℃;
2) detecting the dynamic viscosity index of the vacuum residue at 60 ℃;
3) if the detection value of the dynamic viscosity index of the vacuum residue at 60 ℃ is more than 380Pa.s, injecting the extract oil with the corresponding mass part into an asphalt blending tank according to the proportion that 1 extract oil with the corresponding mass part is correspondingly added in every 20Pa.s, and mechanically stirring and blending the extract oil with the vacuum residue at the temperature of 135-150 ℃ for 4-6 h;
if the detection value of the dynamic viscosity index of the vacuum residue oil at 60 ℃ is less than 260Pa.s, injecting the hard asphalt with the corresponding mass part into an asphalt blending tank according to the proportion that 1 mass part of hard asphalt is correspondingly added into each 8Pa.s, and mechanically stirring and blending the hard asphalt and the vacuum residue oil at the temperature of 135-150 ℃ for 4-6 h;
if the detection value of the dynamic viscosity index of the vacuum residue at 60 ℃ is between 260Pa.s and 380Pa.s, the vacuum residue is directly mechanically stirred for 1 to 2 hours at the temperature of between 135 and 150 ℃ without injecting extract oil or hard asphalt;
4) after stirring and blending, conveying the finished product into an asphalt storage tank for storage at the temperature of 110-130 ℃, and leaving the factory within 15 days;
the vacuum residue is prepared by mixing Iran heavy crude oil and Egyptian crude oil according to the weight ratio of 9: 1 proportion of the mixture or mixing the Saudi medium crude oil and the Columbia Cassia crude oil according to the proportion of 3: 1, mixing in proportion; the extract oil is refined by four-way furfural and refined by Saudi light crude oil, and the opening flash point is more than 250 ℃; the hard asphalt is low-grade straight-run asphalt refined from Sauter heavy crude oil, the dynamic viscosity at 60 ℃ is more than 380Pa.s, and the penetration is 201/10-301/10 mm.
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| CN114426778B (en) * | 2020-10-29 | 2022-12-16 | 中国石油化工股份有限公司 | Asphalt composition and preparation method thereof |
| CN113969183B (en) * | 2021-10-27 | 2023-06-16 | 中国石油化工股份有限公司 | Combined asphalt and preparation method thereof |
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| WO1991017228A1 (en) * | 1990-05-07 | 1991-11-14 | Emoleum (Australia) Limited | Improved bitumen emulsions |
| CN1378582A (en) * | 1999-10-29 | 2002-11-06 | 埃克森美孚研究工程公司 | Method for enhancing asphalt properties |
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| CN102532920A (en) * | 2010-12-17 | 2012-07-04 | 中国石油天然气股份有限公司 | Warm mixed asphalt cement and preparation method thereof |
| CN105778966A (en) * | 2016-03-11 | 2016-07-20 | 佛山高富中石油燃料沥青有限责任公司 | Raw materials and technological method for producing No. 50 hard asphalt with mixed crude of Venezuelan Boscan crude and Venezuelan Merey-16 crude |
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| US7645829B2 (en) * | 2004-04-15 | 2010-01-12 | Exxonmobil Chemical Patents Inc. | Plasticized functionalized propylene copolymer adhesive composition |
| US8901212B2 (en) * | 2012-06-11 | 2014-12-02 | Chandrasekaran Ramayya Pillai | Recycled polymer and bitumen composite asphalt additive |
| US20160194498A1 (en) * | 2015-01-07 | 2016-07-07 | Hari Chandra Chandrasekaran | Heat Resistant Polymer Modified Asphalt Composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991017228A1 (en) * | 1990-05-07 | 1991-11-14 | Emoleum (Australia) Limited | Improved bitumen emulsions |
| CN1378582A (en) * | 1999-10-29 | 2002-11-06 | 埃克森美孚研究工程公司 | Method for enhancing asphalt properties |
| CN101050383A (en) * | 2007-04-30 | 2007-10-10 | 中国石油化工股份有限公司 | Combined technique for processing heavy oil |
| CN102532920A (en) * | 2010-12-17 | 2012-07-04 | 中国石油天然气股份有限公司 | Warm mixed asphalt cement and preparation method thereof |
| CN105778966A (en) * | 2016-03-11 | 2016-07-20 | 佛山高富中石油燃料沥青有限责任公司 | Raw materials and technological method for producing No. 50 hard asphalt with mixed crude of Venezuelan Boscan crude and Venezuelan Merey-16 crude |
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