CN110872446B - 一种改性道路沥青及其制备方法 - Google Patents
一种改性道路沥青及其制备方法 Download PDFInfo
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- CN110872446B CN110872446B CN201810998787.3A CN201810998787A CN110872446B CN 110872446 B CN110872446 B CN 110872446B CN 201810998787 A CN201810998787 A CN 201810998787A CN 110872446 B CN110872446 B CN 110872446B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 145
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 229920000137 polyphosphoric acid Polymers 0.000 claims abstract description 14
- 239000003607 modifier Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims description 25
- 230000035515 penetration Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 239000010779 crude oil Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 239000003208 petroleum Substances 0.000 description 7
- 239000000084 colloidal system Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/329—Phosphorus containing acids
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
Description
项目 | 第一基质沥青70号沥青 | 第一基质沥青90号沥青 | 第二基质沥青 |
针入度(25℃),(0.1mm) | 70 | 91 | 72 |
针入度指数(PI) | -1.45 | -1.4 | 1.3 |
软化点,℃ | 46 | 45 | 52 |
延伸度(10℃),cm | >150 | >150 | — |
延伸度(15℃),cm | >150 | >150 | — |
延伸度(25℃),cm | >150 | >150 | 82 |
闪点,℃ | >260 | >260 | 242 |
动力粘度(60℃),Pa•s | 221 | — | >180 |
蜡含量(蒸馏法),% | 0.7 | 0.71 | — |
薄膜烘箱试验(163℃,5h) | |||
质量变化,% | ≯0.8 | ≯0.8 | ≯0.8 |
针入度比,% | 88 | 85 | 66 |
延伸度(10℃),cm | >150 | >150 | 5 |
沥青质,% | 0.6 | 0.6 | 22 |
符合标准 | 70A | 90A | / |
项目 | 调和沥青1 | 调和沥青2 | 调和沥青3 |
第一基质沥青 70号沥青,% | 85 | 85 | — |
第一基质沥青 90号沥青,% | — | — | 85 |
第二基质沥青,% | 15 | 25 | 15 |
调和沥青针入度(25℃),0.1mm | 83 | 77 | 94 |
调和沥青针入度(0℃),0.1mm | 22 | 24 | 25 |
针入度指数PI | -1.6 | -1.6 | -1.6 |
调和沥青软化点,℃ | 44 | 45 | 43 |
调和沥青脆点,℃ | -14 | -14 | -14 |
延伸度(0℃,5cm/min)/cm | 0 | 0 | 0 |
延伸度(25℃,5cm/min)/cm | >100 | >100 | >100 |
闪点/℃ | 278 | 272 | 270 |
加入后软化点变化,℃ | 2.8 | 2.5 | 2.9 |
薄膜烘箱试验(163℃,5h) | |||
质量变化,% | ≯0.8 | ≯0.8 | ≯0.8 |
针入度比,% | 76 | 78 | 74 |
达标情况 | 不符合BND 60/90 | 不符合BND 60/90 | 不符合BND 90/130 |
项目 | 实施例1 | 实施例2 | 实施例3 | 对比例1 | 对比例2 | 对比例3 | 哈萨克斯坦道路沥青BND 60/90 |
沥青原料种类 | 调和沥青1 | 调和沥青2 | 调和沥青3 | 第一基质沥青70号 | 第一基质沥青90号 | 调和沥青1 | - |
沥青加入量,% | 98.7 | 99.4 | 98.7 | 98.7 | 98.7 | 97 | - |
PPA,% | 1.3 | 0.6 | 1.3 | 1.3 | 1.3 | 3.0 | - |
针入度(25℃),0.1mm | 79 | 82 | 85 | 63 | 78 | 55 | 61~90 |
针入度(0℃),0.1mm | 22 | 23 | 23 | 21 | 22 | 17 | ≮20 |
PI值 | -0.5 | -0.2 | -0.6 | -0.9 | -0.6 | 0.6 | -1.0~+1.0 |
软化点,℃ | 48 | 49 | 47 | 49 | 48 | 57 | ≮47 |
脆点,℃ | -19 | -20 | -19 | -14 | -15 | -15 | ≯-18 |
延伸度(0℃,5cm/min),cm | 7 | 8 | 8 | 0 | 0 | 3 | ≮3.5 |
延伸度(25℃,5cm/min),cm | >100 | >100 | >100 | >100 | >100 | 40 | ≮55 |
闪点/℃ | >230 | >230 | >230 | >230 | >230 | >230 | >230 |
加入后软化点变化,℃ | 3.8 | 2.7 | 3.7 | 4.0 | 4.2 | / | ≯5 |
薄膜烘箱试验(163℃,5h) | 薄膜试验后沥青结皮 | ||||||
质量变化,% | ≯0.8 | ≯0.8 | ≯0.8 | ≯0.8 | ≯0.8 | / | ≯0.8 |
针入度比,% | 78 | 77 | 78 | 79 | 78 | / | ≮50 |
达标情况 | 符合BND60/90 | 符合BND60/90 | 符合BND60/90 | 不符合BND60/90 | 不符合BND60/90 | 不符合BND60/90 |
Claims (6)
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112442280B (zh) * | 2019-08-27 | 2023-03-31 | 中国石油化工股份有限公司 | 一种道路沥青及其制备方法 |
CN114163829B (zh) * | 2020-09-11 | 2023-07-04 | 中国石油化工股份有限公司 | 一种sbs改性沥青及其制备方法 |
CN116023790A (zh) * | 2021-10-26 | 2023-04-28 | 中国石油化工股份有限公司 | 一种宽温度域沥青及其制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5347423A (en) * | 1976-10-14 | 1978-04-27 | Mitsubishi Oil Co | Method of reforming asphalt |
CN1508188A (zh) * | 2002-12-19 | 2004-06-30 | 中国石油化工股份有限公司 | 一种改性沥青及其制备方法 |
CN101492570A (zh) * | 2008-01-23 | 2009-07-29 | 中国石油化工股份有限公司 | 一种硬质道路沥青组合物及其制备方法 |
CN102464989A (zh) * | 2010-11-04 | 2012-05-23 | 中国石油化工股份有限公司 | 一种高软化点沥青的制备方法 |
CN103044932A (zh) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | 用低沥青质含量的原料制备改性沥青的方法 |
CN103804925A (zh) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | 一种改性沥青及其制备方法 |
-
2018
- 2018-08-30 CN CN201810998787.3A patent/CN110872446B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5347423A (en) * | 1976-10-14 | 1978-04-27 | Mitsubishi Oil Co | Method of reforming asphalt |
CN1508188A (zh) * | 2002-12-19 | 2004-06-30 | 中国石油化工股份有限公司 | 一种改性沥青及其制备方法 |
CN101492570A (zh) * | 2008-01-23 | 2009-07-29 | 中国石油化工股份有限公司 | 一种硬质道路沥青组合物及其制备方法 |
CN102464989A (zh) * | 2010-11-04 | 2012-05-23 | 中国石油化工股份有限公司 | 一种高软化点沥青的制备方法 |
CN103044932A (zh) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | 用低沥青质含量的原料制备改性沥青的方法 |
CN103804925A (zh) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | 一种改性沥青及其制备方法 |
Non-Patent Citations (4)
Title |
---|
"多聚磷酸对不同沥青的改性及改性机理研究";张恒龙等;《建筑材料学报》;20130415;第16卷(第2期);第255-260页 * |
"多聚磷酸对沥青性能影响研究 ";杨国明等;《当代化工》;20170330;第46卷(第3期);第422-425页 * |
"多聚磷酸改性沥青性能研究";黄刚等;《西部交通科技》;20180615(第6期);第5-10页 * |
"多聚磷酸改性沥青改性机制";王岚等;《复合材料学报》;20170105;第34卷(第10期);第2330-2336页 * |
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Effective date of registration: 20231008 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |