CN101987921B - Natural negative ion composite modified asphalt and preparation method thereof - Google Patents
Natural negative ion composite modified asphalt and preparation method thereof Download PDFInfo
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- CN101987921B CN101987921B CN2010102558122A CN201010255812A CN101987921B CN 101987921 B CN101987921 B CN 101987921B CN 2010102558122 A CN2010102558122 A CN 2010102558122A CN 201010255812 A CN201010255812 A CN 201010255812A CN 101987921 B CN101987921 B CN 101987921B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 27
- 229920001971 elastomer Polymers 0.000 claims abstract description 25
- 239000005060 rubber Substances 0.000 claims abstract description 25
- 230000008961 swelling Effects 0.000 claims abstract description 7
- 239000000654 additive Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000011280 coal tar Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004575 stone Substances 0.000 claims abstract description 5
- 230000035484 reaction time Effects 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 150000002500 ions Chemical class 0.000 claims description 16
- 239000011301 petroleum pitch Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 5
- 235000011613 Pinus brutia Nutrition 0.000 claims description 5
- 241000018646 Pinus brutia Species 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 3
- 241000276489 Merlangius merlangus Species 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract 4
- 239000010920 waste tyre Substances 0.000 abstract 2
- 241000779819 Syncarpia glomulifera Species 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000001739 pinus spp. Substances 0.000 abstract 1
- 229940036248 turpentine Drugs 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 239000011295 pitch Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 231100000987 absorbed dose Toxicity 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- PVMNPAUTCMBOMO-UHFFFAOYSA-N 4-chloropyridine Chemical compound ClC1=CC=NC=C1 PVMNPAUTCMBOMO-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Natural products CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- -1 heteroaromatic hydrocarbon Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses natural negative ion composite modified asphalt and a preparation method thereof. The preparation method of the natural negative ion composite modified asphalt comprises the following steps of: conveying petroleum asphalt by an asphalt pump, metering the petroleum asphalt by a mass flowmeter, and heating the petroleum asphalt to the temperature of between 170 and 180 DEG C by a rapid heating heat exchange system; and metering the heated hot asphalt, rubber powder and additives in proportion, then adding the asphalt, the rubber powder and the additives into a blending machine, stirring the materials for mixing and swelling, wherein the reaction time is 40 minutes, and in percentage by weight, the materials comprise 42 percent of the petroleum asphalt, 35 percent of the rubber powder, 15 percent of coal tar, 3 percent of dimethyl-aminopyridine, 2 percent of medical stone, 1 percent of pearl powder, 1 percent of shell powder, and 1 percent of natural turpentine. The natural negative ion composite modified asphalt is added with waste tire rubber powder at high proportion to have an important environmental protection meaning, and simultaneously, the addition of the waste tire rubber powder at high proportion reduces the wax content of the finished product asphalt, expands the temperature application range to be between 40 DEG C below zero and 90 DEG C, maintains the 180-degree rotational viscosity value at 1.5 to 2.5 Pa.s, and improves the construction workability.
Description
Technical field
The present invention relates to building, road construction material and preparation method thereof, is natural negative ion composite modified asphalt and preparation method thereof specifically.
Background technology
Shortcomings such as there is poor flexibility in plain asphalt itself, fragile under low temperaturely splits, high temperature is easily softening can not satisfy modern road construction work and construction waterproofing engineering to its performance demands.Therefore, plain asphalt must carry out the modification processing.
Existing asphalt modification technology normally in pitch the admixture high molecular polymer improve the bituminous temperature performance, as, the thermotolerance of comparatively high temps and cryogenic fragility, and improve its elasticity.
Chinese patent literature discloses a kind of " desulfurization glue powder-modified asphalt " (ZL03118863.X), this modifying asphalt is stirred by high speed shear under comparatively high temps by desulfurization rubber powder, pitch and compatilizer or the grinding of colloidal mill makes, its medium pitch accounts for 70～95% of raw material gross weight, the desulfurization rubber powder accounts for 5～30% of raw material gross weight, and phase solvent accounts for 0～1.5% of raw material gross weight.Compatilizer is epoxidized polybutadiene, methacrylic acid epoxy ester, glycidyl methacrylate or maleic acid.
Summary of the invention
The purpose of this invention is to provide a kind of natural negative ion composite modified asphalt, in the time of with raising rubber powder addition content, improve the high and low temperature performance of modifying asphalt.
The object of the present invention is achieved like this: a kind of natural negative ion composite modified asphalt is characterized in that: be made up of following raw material mixing by weight percentage:
Petroleum pitch 42%; Rubber powder 35%; Coal tar 15%; Dimethylamino pyridine 3%; Medical stone 2%; Pearl powder 1%; Oyster shell whiting 1%; Natural pine gum 1%.Wherein, rubber powder is the junked tire desulfurized powder, and except that pitch and two major ingredients of rubber powder, all the other are additive.
Another object of the present invention provides the preparation technology of above-mentioned natural negative ion composite modified asphalt.
Another object of the present invention is achieved in that a kind of preparation method of natural negative ion composite modified asphalt, carries out according to the following steps:
A, petroleum pitch are carried by bitumenpump, and mass flow meter measures and is warming up to 170～180 ℃ through the heat exchange system that is rapidly heated;
B, heated bitumen, rubber powder and additive after will heating up measure the back in proportion and add and stir in the mixing machine to mix swelling, reaction times: 40 minutes;
C, gained mixture in b step is pumped to colloidal mill shears grinding;
D, will shear mixture after grinding and be pumped to the reaction hold-up vessel fast once more after the swelling, and reply and be pumped to colloidal mill and generate qualified natural negative ion composite modified asphalt finished product to shear once more to grind.
Compared with prior art, the present invention has following characteristics and advantage:
1, a high proportion of material modified admixture technology
In the aforementioned prior art, the additional proportion of damaged tire rubber powder in pitch is in 5.5%～42.8% scope, and promptly maximum additional proportion is 42.8%.And the damaged tire rubber powder is 83.3% to the bituminous additional proportion among the present invention, and usually, 10 tons of natural negative ion composite modified asphalts of every production can utilize 3.5 tons of damaged tire rubber powders, has important environment protection significance to eliminating the damaged tire black pollution.
2, admixture damaged tire rubber powder in high proportion makes the wax content of road asphalt drop to the level that is lower than Imported Asphalt, has improved the road asphalt quality product greatly, and temperature applicable range expands to-40 ℃～90 ℃ from 5 ℃～45 ℃;
3,180 ℃ of rotary viscosity values of the natural negative ion composite modified asphalt of finished product remain on 1.5～2.5Pa.s, and its liquidity scale is near petroleum pitch, and construction workability strengthens greatly, for the enforcement of admixture damaged tire rubber powder at high proportion provides feasibility.
The invention belongs to the further improvement of rubber modified asphalt (patent applied for), except that technical superiority with rubber modified asphalt and performance characteristic, and: this patented technology be applied to modifying asphalt production and the moulding that in highway, paves after, every cubic centimetre of highway pavement surface layer negative ion quantity that (test of certain time) discharges in air average p.s. is not less than 500, and it is to highway pavement tail gas that driving vehicle discharges such as CO, CO
2, hydrocarbon polymer etc. effective absorbed dose be not less than 50%, the technology application life was not less than 5 years.Simultaneously, this patented technology is applied to the manufacturing of modifying asphalt, will further optimize the technical performance index such as penetration degree, softening temperature, ductility, recovery of elasticity, rotary viscosity value, thin film oven experimental value of original modified bitumen product.
The present invention is mainly used in road construction work, especially the high-grade highway engineering.
Embodiment
Preparation embodiment:
Petroleum pitch is carried by bitumenpump, and mass flow meter measures and is warming up to 170～180 ℃ through the heat exchange system that is rapidly heated; Heated bitumen, rubber powder and additive after heating up are measured back the adding in proportion to be stirred in the mixing machine to mix swelling, reaction times: 40 minutes.This ratio is: petroleum pitch 42%; Rubber powder 35%; Coal tar 15%; Dimethylamino pyridine 3% (catalyzer); Medical stone 2%; Pearl powder 1%; Oyster shell whiting 1%; Natural pine gum 1%.
Gained mixture in b step is pumped to colloidal mill shears grinding; Mixture after shear grinding is pumped to the reaction hold-up vessel fast once more after the swelling, replys and be pumped to colloidal mill and generate qualified natural negative ion composite modified asphalt finished product to shear once more to grind.
Medical stone: a kind of to biological nontoxic, harmless, and certain bioactive complex ore is arranged or swing that to use rock, main component be the inorganic silicon-aluminum hydrochlorate.
Natural pine gum: be commonly called as pine gum, a kind of natural resin.In air, disperse the faint yellow solid block of forming behind the volatile matter by the toughness transparent liquid colloid that incision needle trunk oozes out, mainly form by rosin and turps.
Petroleum pitch (mid-temperature pitch): softening temperature (ring and ball method) ℃: 75～90 ℃.
Coal tar: be aromatic hydrocarbons and polynuclear aromatics and nitrogenous, oxygen, the mixture of the heteroaromatic hydrocarbon of sulphur.Outward appearance is black viscous liquid (or semi-solid).Proportion 1.18～1.23 is dissolved in benzene, ether, dithiocarbonic anhydride, chloroform, ethanol, acetone and methyl alcohol.Be slightly soluble in water.
Dimethylamino pyridine (being the 4-Dimethylamino pyridine): make by 4-chloropyridine and dimethylamine reaction.
The natural negative ion composite modified asphalt of the present invention (N-AR-C) belongs to the environment-friendly type upgrading products of rubber modified asphalt.
The present invention be applied to modifying asphalt production and the moulding that in highway, paves after, the natural negative ion quantity that every cubic centimetre of highway pavement surface layer average p.s. (test of certain time) discharges in air is not less than 500, and it is to highway pavement tail gas that driving vehicle discharges such as CO, CO
2, hydrocarbon polymer etc. effective absorbed dose be not less than 50%, the technology application life was not less than 5 years;
The present invention is applied to the manufacturing of modifying asphalt, will further optimize the technical performance index such as penetration degree, softening temperature, ductility, recovery of elasticity, rotary viscosity value, thin film oven experimental value of original modified bitumen product.
Performance comparison test the results list of the relative rubber modified asphalt (AR) of the present invention (N-AR-C) is as follows:
Claims (2)
1. natural negative ion composite modified asphalt is characterized in that: mixed by by weight percentage following raw material and form:
Petroleum pitch 42%; Rubber powder 35%; Coal tar 15%; Dimethylamino pyridine 3%; Medical stone 2%; Pearl powder 1%; Oyster shell whiting 1%; Natural pine gum 1%.
2. the preparation method of a natural according to claim 1 negative ion composite modified asphalt is characterized in that: carry out according to the following steps:
A, petroleum pitch are carried by bitumenpump, and mass flow meter measures and is warming up to 170～180 ℃ through the heat exchange system that is rapidly heated;
B, heated bitumen, rubber powder and additive after will heating up measure the back in proportion and add and stir in the mixing machine to mix swelling, reaction times: 40 minutes;
C, gained mixture in b step is pumped to colloidal mill shears grinding;
D, will shear mixture after grinding and be pumped to the reaction hold-up vessel fast once more after the swelling, and reply and be pumped to colloidal mill and generate qualified natural negative ion composite modified asphalt finished product to shear once more to grind.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102558122A CN101987921B (en) | 2010-08-18 | 2010-08-18 | Natural negative ion composite modified asphalt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102558122A CN101987921B (en) | 2010-08-18 | 2010-08-18 | Natural negative ion composite modified asphalt and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101987921A CN101987921A (en) | 2011-03-23 |
| CN101987921B true CN101987921B (en) | 2011-11-02 |
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| CN116333505B (en) * | 2023-04-10 | 2024-03-26 | 湖北工业大学 | Preparation method of biomass self-healing modified asphalt coiled material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189453A (en) * | 1997-01-28 | 1998-08-05 | 新疆石油管理局独山子石油化工总厂 | Petroleum asphalt based active carbon and its prepn. method |
| CN1970639A (en) * | 2006-12-13 | 2007-05-30 | 上海三瑞化学有限公司 | Asphalt base ground material capable of purifying air |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3935061B2 (en) * | 2002-07-10 | 2007-06-20 | 東亜道路工業株式会社 | Asphalt emulsion composition for paving |
-
2010
- 2010-08-18 CN CN2010102558122A patent/CN101987921B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189453A (en) * | 1997-01-28 | 1998-08-05 | 新疆石油管理局独山子石油化工总厂 | Petroleum asphalt based active carbon and its prepn. method |
| CN1970639A (en) * | 2006-12-13 | 2007-05-30 | 上海三瑞化学有限公司 | Asphalt base ground material capable of purifying air |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-91761A 2004.03.25 |
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