CN104312176A - Modified asphalt - Google Patents
Modified asphalt Download PDFInfo
- Publication number
- CN104312176A CN104312176A CN201410616149.2A CN201410616149A CN104312176A CN 104312176 A CN104312176 A CN 104312176A CN 201410616149 A CN201410616149 A CN 201410616149A CN 104312176 A CN104312176 A CN 104312176A
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- China
- Prior art keywords
- parts
- starch
- weight
- modifying asphalt
- asphalt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 33
- 229920002472 Starch Polymers 0.000 claims abstract description 44
- 239000008107 starch Substances 0.000 claims abstract description 44
- 235000019698 starch Nutrition 0.000 claims abstract description 44
- -1 polyethylene Polymers 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000005060 rubber Substances 0.000 claims abstract description 19
- NCPXQVVMIXIKTN-UHFFFAOYSA-N trisodium;phosphite Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])[O-] NCPXQVVMIXIKTN-UHFFFAOYSA-N 0.000 claims abstract description 16
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004698 Polyethylene Substances 0.000 claims abstract description 10
- 229920000573 polyethylene Polymers 0.000 claims abstract description 10
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 20
- 229920001451 polypropylene glycol Polymers 0.000 claims description 14
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 10
- 150000001408 amides Chemical class 0.000 claims description 9
- SDNVJMZXSOXXQN-UHFFFAOYSA-N 3,4-ditert-butyl-2-methylphenol Chemical compound CC1=C(O)C=CC(C(C)(C)C)=C1C(C)(C)C SDNVJMZXSOXXQN-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000004368 Modified starch Substances 0.000 abstract description 3
- 229920000881 Modified starch Polymers 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 235000019426 modified starch Nutrition 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 abstract 2
- 239000004952 Polyamide Substances 0.000 abstract 2
- 229940095259 butylated hydroxytoluene Drugs 0.000 abstract 2
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 abstract 2
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 abstract 2
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 abstract 2
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 abstract 2
- 229920002647 polyamide Polymers 0.000 abstract 2
- 229940037312 stearamide Drugs 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- 229910000162 sodium phosphate Inorganic materials 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000018984 mastication Effects 0.000 description 1
- 238000010077 mastication Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Abstract
The invention discloses modified asphalt. The modified asphalt is prepared from the following raw materials: asphalt, polyamide, rubber powder, polyethylene, polysiloxane, stearamide, sodium phosphite, 2, 6-butylated hydroxytoluene, hydroxypropyl methyl cellulose, modified starch and alkylphenol ethoxylates. According to the modified asphalt, the adhesion and the ageing resistance of the asphalt are modified by adding polyamide, rubber powder, polyethylene, polysiloxane and stearamide, and the viscosity and the softening point of the asphalt are improved by adding sodium phosphate, 2, 6-butylated hydroxytoluene, hydroxypropyl methyl cellulose, modified starch and alkylphenol ethoxylates, and after modification, the adhesive property of starch is improved. All components take synergistic effect, so that the obtained modified asphalt has the advantages that the high-temperature softening point is 110 to 115 DEG C, and the low-temperature ductility is 2.1 to 2.6 cm.
Description
Technical field
The present invention relates to a kind of preparation method of modified asphalt, belong to industrial chemical technical field.
Background technology
Pitch is usually used in preparing the material of paving the way with roof Material.In road construction and road pavement industry, ripe practical method is fluid asphalt coating aggregate (aggregate) material utilizing heat, such as sand, gravel, rubble or its mixture, when its also heat, the material of coating is sprawled as homogeneous layer on roadbed or the previous road built, and by heavy road roller roll extrusion by homogeneous layer compacting, to form ganoid road.
The combination of pitch and aggregate materials such as sand, gravel, rubble or its mixture is referred to as " bituminous concrete ".Pitch, is also referred to as " bituminous concrete tackiness agent ", normally a kind of liquid adhesive containing bituminous matter, resin and oils.It can be naturally occurring, also can be (such as, by the fractionation or by precipitation (such as utilizing propane)) that obtain from the residue of crude oil, or obtain afterwards at crude refinement processes (such as cracking).Pitch comprises the hydro carbons with high asphalt content (such as, 12 % by weight or higher) usually.Pitch also can through some further process (such as blowing), thus make pitch component through the oxidation of peroxide (as air) or chemical composition (as phosphoric acid).
Along with the fast development of highway in China carrier, oil and asphalt price rise steadily, and bituminous coat project investment increases greatly.In addition, the vehicle in transport by road maximizes, heavily loaded, overloading is more and more serious, and highroad is more and more higher in high-temperature stability, low-temperature cracking-resistance, resistance to deterioration and life requirement.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of modifying asphalt is provided.
Technical scheme of the present invention is as follows:
A kind of modifying asphalt, be made up of the raw material of following parts by weight: pitch 100-120 part, polymeric amide 15-22 part, rubber powder 11-17 part, polyethylene 11-17 part, polysiloxane 4-6 part, stearylamide 12-18 part, sodium phosphite 2-5 part, 2,6 one di-tertiary butyl methyl phenol 2-5 parts, Vltra tears 1-3 part, treated starch 3-7 part and polyoxyethylene alkylphenol ether 1-3 part.
Described a kind of modifying asphalt, described rubber powder and poly weight ratio are 1:1.
Described a kind of modifying asphalt, the weight ratio of Vltra tears and polyoxyethylene alkylphenol ether is 1:1.
Described a kind of modifying asphalt, described treated starch is obtained by following steps: mixed with the water of same weight by starch, be heated to 55-60 DEG C, after mixing, add ethanol and polypropylene glycol, back flow reaction 30-50min, concentrated postlyophilization obtains treated starch.
Described a kind of modifying asphalt, the ethanol added and the weight of polypropylene glycol are 0.8-1.5 and 0.5-0.8 of starch weight.
Described a kind of modifying asphalt, described rubber powder, sodium phosphite, Vltra tears and treated starch all cross 200 mesh sieves.
Beneficial effect of the present invention:
Modifying asphalt of the present invention changes adhesivity and the ageing resistance of pitch by adding polymeric amide, rubber powder, polyethylene, polysiloxane and hard acid amides, sodium phosphite, 2,6 one di-tertiary butyl methyl phenol, Vltra tears, treated starch and polyoxyethylene alkylphenol ether improve viscosity and the softening temperature of pitch, and the adhesive property of modified starch improves.Each component synergy, the modifying asphalt hot mastication point obtained is 110-115 DEG C, and low-temperature ductility is 2.1-2.6cm.
Embodiment
Embodiment 1
In the present embodiment, a kind of modifying asphalt, be made up of the raw material of following parts by weight: pitch 100 parts, polymeric amide 22 parts, rubber powder 11 parts, polyethylene 11 parts, polysiloxane 6 parts, stearylamide 18 parts, sodium phosphite 2 parts, 2,6 one di-tertiary butyl methyl phenol 2 parts, Vltra tears 1 part, treated starch 7 parts and polyoxyethylene alkylphenol ether 1 part.Described rubber powder, sodium phosphite, Vltra tears and treated starch all cross 200 mesh sieves.
Wherein, described treated starch is obtained by following steps: mixed with the water of same weight by starch, be heated to 5 DEG C, after mixing, add ethanol and polypropylene glycol, back flow reaction 30min, concentrated postlyophilization obtains treated starch.The ethanol added and the weight of polypropylene glycol are 0.8 and 0.5 of starch weight.
Embodiment 2
In the present embodiment, a kind of modifying asphalt, be made up of the raw material of following parts by weight: pitch 120 parts, polymeric amide 15 parts, rubber powder 17 parts, polyethylene 17 parts, polysiloxane 4 parts, stearylamide 12 parts, sodium phosphite 5 parts, 2,6 one di-tertiary butyl methyl phenol 5 parts, Vltra tears 3 parts, treated starch 3 parts and polyoxyethylene alkylphenol ether 3 parts.Described rubber powder, sodium phosphite, Vltra tears and treated starch all cross 200 mesh sieves.
Wherein, described treated starch is obtained by following steps: mixed with the water of same weight by starch, be heated to 55 DEG C, after mixing, add ethanol and polypropylene glycol, back flow reaction 50min, concentrated postlyophilization obtains treated starch.The ethanol added and the weight of polypropylene glycol are 1.5 and 0.8 of starch weight.
Embodiment 3
In the present embodiment, a kind of modifying asphalt, be made up of the raw material of following parts by weight: pitch 110 parts, polymeric amide 20 parts, rubber powder 15 parts, polyethylene 15 parts, polysiloxane 5 parts, stearylamide 13 parts, sodium phosphite 4 parts, 2,6 one di-tertiary butyl methyl phenol 4 parts, Vltra tears 2 parts, treated starch 5 parts and polyoxyethylene alkylphenol ether 2 parts.Described rubber powder, sodium phosphite, Vltra tears and treated starch all cross 200 mesh sieves.
Wherein, described treated starch is obtained by following steps: mixed with the water of same weight by starch, be heated to 60 DEG C, after mixing, add ethanol and polypropylene glycol, back flow reaction 40min, concentrated postlyophilization obtains treated starch.The ethanol added and the weight of polypropylene glycol are 0.9 and 0.6 of starch weight.
Embodiment 4
In the present embodiment, a kind of modifying asphalt, be made up of the raw material of following parts by weight: pitch 100 parts, polymeric amide 16 parts, rubber powder 16 parts, polyethylene 16 parts, polysiloxane 6 parts, stearylamide 17 parts, sodium phosphite 2 parts, 2,6 one di-tertiary butyl methyl phenol 2 parts, Vltra tears 1 part, treated starch 4 parts and polyoxyethylene alkylphenol ether 1 part.Described rubber powder, sodium phosphite, Vltra tears and treated starch all cross 200 mesh sieves.
Wherein, described treated starch is obtained by following steps: mixed with the water of same weight by starch, be heated to 60 DEG C, after mixing, add ethanol and polypropylene glycol, back flow reaction 30min, concentrated postlyophilization obtains treated starch.The ethanol added and the weight of polypropylene glycol are 1.2 and 0.7 of starch weight.
Embodiment 5
In the present embodiment, a kind of modifying asphalt, be made up of the raw material of following parts by weight: pitch 115 parts, polymeric amide 17 parts, rubber powder 13 parts, polyethylene 13 parts, polysiloxane 5 parts, stearylamide 14 parts, sodium phosphite 4 parts, 2,6 one di-tertiary butyl methyl phenol 4 parts, Vltra tears 3 parts, treated starch 6 parts and polyoxyethylene alkylphenol ether 3 parts.Described rubber powder, sodium phosphite, Vltra tears and treated starch all cross 200 mesh sieves.
Wherein, described treated starch is obtained by following steps: mixed with the water of same weight by starch, be heated to 58 DEG C, after mixing, add ethanol and polypropylene glycol, back flow reaction 35min, concentrated postlyophilization obtains treated starch.The ethanol added and the weight of polypropylene glycol are 1.4 and 0.6 of starch weight.
Claims (6)
1. a modifying asphalt, it is characterized in that, be made up of the raw material of following parts by weight: pitch 100-120 part, polymeric amide 15-22 part, rubber powder 11-17 part, polyethylene 11-17 part, polysiloxane 4-6 part, stearylamide 12-18 part, sodium phosphite 2-5 part, 2,6 one di-tertiary butyl methyl phenol 2-5 parts, Vltra tears 1-3 part, treated starch 3-7 part and polyoxyethylene alkylphenol ether 1-3 part.
2. a kind of modifying asphalt according to claim 1, is characterized in that, described rubber powder and poly weight ratio are 1:1.
3. a kind of modifying asphalt according to claim 1, is characterized in that, the weight ratio of Vltra tears and polyoxyethylene alkylphenol ether is 1:1.
4. a kind of modifying asphalt according to claim 1, it is characterized in that, described treated starch is obtained by following steps: mixed with the water of same weight by starch, be heated to 55-60 DEG C, after mixing, add ethanol and polypropylene glycol, back flow reaction 30-50min, concentrated postlyophilization obtains treated starch.
5. a kind of modifying asphalt according to claim 4, is characterized in that, the ethanol added and the weight of polypropylene glycol are 0.8-1.5 and 0.5-0.8 of starch weight.
6. a kind of modifying asphalt according to claim 1, is characterized in that, described rubber powder, sodium phosphite, Vltra tears and treated starch all cross 200 mesh sieves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616149.2A CN104312176B (en) | 2014-11-05 | 2014-11-05 | A kind of modified pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616149.2A CN104312176B (en) | 2014-11-05 | 2014-11-05 | A kind of modified pitch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104312176A true CN104312176A (en) | 2015-01-28 |
| CN104312176B CN104312176B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410616149.2A Active CN104312176B (en) | 2014-11-05 | 2014-11-05 | A kind of modified pitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104312176B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504839A (en) * | 2015-12-30 | 2016-04-20 | 上海浦东路桥沥青材料有限公司 | Low-viscosity rubber powder asphalt |
| CN105907020A (en) * | 2016-04-21 | 2016-08-31 | 天津市公路工程总公司 | Wheel sticking prevention modified emulsified asphalt and preparation method thereof |
| CN106633959A (en) * | 2016-12-09 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Modified asphalt and preparation method thereof |
| CN107488355A (en) * | 2017-09-12 | 2017-12-19 | 江苏诺路桥工程检测有限公司 | A kind of anti-low-temperature cracking asphaltic products |
| CN108299964A (en) * | 2018-01-31 | 2018-07-20 | 河南龙翔电气股份有限公司 | Anti-aging coating of insulation for outdoor box switchyard and preparation method thereof |
| CN110157202A (en) * | 2018-02-07 | 2019-08-23 | 山东联星能源集团有限公司 | A kind of superhard pitch and preparation method thereof |
| CN110643077A (en) * | 2019-11-07 | 2020-01-03 | 江苏路耐德公路养护技术有限公司 | Warm-mixing modifier and preparation method thereof |
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| JP2004091728A (en) * | 2002-09-03 | 2004-03-25 | East Japan Railway Co | Asphalt-based-waterproofing composition and method for providing waterproof asphalt construction |
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2014
- 2014-11-05 CN CN201410616149.2A patent/CN104312176B/en active Active
Patent Citations (6)
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Non-Patent Citations (1)
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| 韩瑞民等: "掺抗剥落剂沥青混合料的试验研究", 《石油沥青》, vol. 16, no. 3, 30 September 2002 (2002-09-30) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504839A (en) * | 2015-12-30 | 2016-04-20 | 上海浦东路桥沥青材料有限公司 | Low-viscosity rubber powder asphalt |
| CN105907020A (en) * | 2016-04-21 | 2016-08-31 | 天津市公路工程总公司 | Wheel sticking prevention modified emulsified asphalt and preparation method thereof |
| CN105907020B (en) * | 2016-04-21 | 2018-10-26 | 天津市公路工程总公司 | Not viscous wheel modified emulsifying asphalt and preparation method thereof |
| CN106633959A (en) * | 2016-12-09 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Modified asphalt and preparation method thereof |
| CN107488355A (en) * | 2017-09-12 | 2017-12-19 | 江苏诺路桥工程检测有限公司 | A kind of anti-low-temperature cracking asphaltic products |
| CN108299964A (en) * | 2018-01-31 | 2018-07-20 | 河南龙翔电气股份有限公司 | Anti-aging coating of insulation for outdoor box switchyard and preparation method thereof |
| CN110157202A (en) * | 2018-02-07 | 2019-08-23 | 山东联星能源集团有限公司 | A kind of superhard pitch and preparation method thereof |
| CN110643077A (en) * | 2019-11-07 | 2020-01-03 | 江苏路耐德公路养护技术有限公司 | Warm-mixing modifier and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104312176B (en) | 2016-08-24 |
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Effective date of registration: 20240125 Address after: 315000 Pingtang Village, Dongwu Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Hengshun Transportation Engineering Co.,Ltd. Country or region after: China Address before: 215212 Wuqiao Village, Lili Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: WUJIANG HUAWEI SPECIAL OIL Co.,Ltd. Country or region before: China |