CN1765964A - Normal temperature modification additive for pavement asphalt and its preparation method and uses - Google Patents
Normal temperature modification additive for pavement asphalt and its preparation method and uses Download PDFInfo
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- CN1765964A CN1765964A CN 200410050775 CN200410050775A CN1765964A CN 1765964 A CN1765964 A CN 1765964A CN 200410050775 CN200410050775 CN 200410050775 CN 200410050775 A CN200410050775 A CN 200410050775A CN 1765964 A CN1765964 A CN 1765964A
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Abstract
The invention relates to a normal temperature modification additive for pavement asphalt and its preparation method and uses, which is prepared from high molecular polymer 5-15%, extender oil 20-40%, benzene 30-60%, plasticizer 1-5% and viscosifying resin 3-12%, through two-step process.
Description
Technical field
The present invention relates to a kind of normal temperature modified additive of pavement asphalt and its production and application that is used for, be suitable in the cold construction pavement asphalt material.
Background technology
Heat processing technique is adopted in traditional pavement asphalt modification more, soon under comparatively high temps pitch is carried out modification in the heated bitumen of macromolecule modifier and auxiliary agent input heating and melting, and it is standby that modified bitumen product is sent into the basin insulation.Suitable larger batch process of this explained hereafter modifying asphalt and laying of roadway and the maintenance construction that concentrate in the place, engineering is bigger.And in the use of road surface, for guaranteeing the unimpeded of highway communication, often need hole, road pavement hole, loose, crack and damages such as peel off and in time repair the place dispersion, quantities is little, the pitch demand is few, and modifying asphalt is produced in hot-work and the construction of hot mix compound is very inconvenient, and is subjected to the restriction in weather and season, particularly Han Leng winter and rainy season, the road repair constructional difficulties.
CN1442452A discloses a kind of cold repairing asphalt mixture and manufacture method thereof of convenient and quick construction, at first shears the mixing component A that makes with heavy oil and petroleum resin; Again with solvent oil, the mixing B component that makes of styrene-butadiene rubber(SBR); Make component C with diesel oil or kerosene or gasoline, thermoplastic styrene-butadiene rubber(SBR), naphthenic oil; Component A, B, C mixing are made cold repairing additive with the reaction of RC-10 mineral oil again, the mixing asphalt cold repairing binding material that makes of this additive and fusion road bitumen, fused asphaltic binder and mineral aggregate mix are made cold repairing asphalt mixture, this cold repairing asphalt mixture convenient and quick construction is not limited by weather.But the production of asphalt cold repairing binding material needs a plurality of synthesis steps to finish, the equal more complicated of its composition and production technique, and production cost is higher.And easily lump in the storage of cold-patch compound, influenced usability.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of component collocation rationally, preparation process is simple, and is easy to use, the road-surface asphalt modified additive at normal temperature of excellent property.And the application of property-modifying additive of the present invention in pavement asphalt.
Road-surface asphalt modified additive at normal temperature of the present invention comprises following component by weight:
High molecular polymer 5-15%
Extending oil 20-40%
Benzoline 30-60%
Tackifying resin 3-12%
Softening agent 1-5%
According to the needs that use, can also add in the additives such as anti-aging agent, antistripping agent, fire retardant one or more.Generally speaking, the weight content of above-mentioned additive is:
Anti-aging agent 0.1-2.0%
Antistripping agent 0.1-2.0%
Fire retardant 1.0-3.0%
Above-mentioned high molecular polymer can be macromolecular material of butylbenzene thermoplastic elastomer (SBS) and styrene-butadiene rubber(SBR) (SBR), hydrogenation butylbenzene thermoplastic elastomer (SEBS) and other suitable asphalt modifications etc. one or more.
Above-mentioned extending oil can be one or more of aromatic base rubber filling oil and the refining extraction wet goods that is rich in aromatic hydrocarbons.
Above-mentioned benzoline is one or more of gasoline, diesel oil, kerosene or solvent wet goods light ends oil.
Above-mentioned tackifying resin can be C
5-C
9One or more of petroleum resin and rosin sex change tackifying resin, terpine resin, vinylbenzene terpine resin, octyl group phenolic tackifying resins etc.
Above-mentioned softening agent can be one or more in rubber plastizing agent such as o-phthalic acid dibutyl ester, terephthalic acid dibutyl ester, oxalic acid dibutyl ester, phthalic acid isobutyl fat and the dibutyl phthalate (DBP).
Above-mentioned anti-aging agent can be 2,6 di-tert-butyls-4-sylvan, pentaerythritol tetrathioglycollate etc. one or more.
Above-mentioned antistripping agent: one or more of amine or non-amine asphalt antistripping agent are sold in market.
Above-mentioned fire retardant: three (2, the 3-dibromopropyl) isocyanuric acid ester, melamine phosphate (being called for short MP), ammonium polyphosphate flame retardant (APP), high-efficiency compound fire-proof agent (FR-P) wait one or more.Road-surface asphalt modified additive at normal temperature preparation process of the present invention is as follows:
1, with high molecular polymer 5-15%, tackifying resin 3-10%, softening agent 1-5%, add in the extending oil, in 100-120 ℃ of stirred reactor, reacted 0.5-1.0 hour.
2, temperature drops to about 60-80 ℃ then, and benzoline 30-60% is being added, and continues reaction 0.5-1.0 hour, makes uniform and stable road-surface asphalt modified additive at normal temperature.When using additive, anti-aging agent can add in the 1st step, and antistripping agent and fire retardant can add in the 2nd step.
The application of property-modifying additive of the present invention in pavement asphalt pressed suitable proportion and added in the pavement asphalt, can add an amount of kerosene or diesel oil and make thinner, mixes under 50-60 ℃ and makes normal temperature modified pitch.This modifying asphalt normal temperature flows down easily, but can with mix under the building stones normal temperature, be used for the road repair construction at any time.
The advantage of the normal temperature asphalt modification additive of this invention is:
1, do not need special producing equipment, production technique simple, pollution-free.
2, normal-temperature dissolution pitch and to its modification can significantly improve rheologic behavio(u)rs such as the high-temperature stability of pavement asphalt and low-temperature cracking-resistance.Pavement life can prolong 2-3 doubly.
3, modifying asphalt at normal temperatures, but pitch need not heating installation normal temperature and building stones mix after the modification, convenient and quick construction, pollution-free, be not subjected to the restriction in season to be used for pavement patching at any time and construct, applied widely.
Embodiment
Further specify the solution of the present invention and effect below by specific embodiment.
Table 1 road-surface asphalt modified additive at normal temperature of the present invention is formed and content (wt%)
| Batching | Implement 1 | Implement 2 | Implement 3 | Implement 4 | Implement 5 | Implement 6 | Implement 7 | |
| Macromolecular material tackifying resin plasticizer is filled oily light distillate antistripping agent fire retardant age resistor | The Abietyl modified tree aromatic radical of SBS SBR C9 Petropols is filled the refining oily kerosene diesel oil of extracting out | 5.0 12.0 3.0 30 50 | 10.0 7.0 3.0 40 40 | 14.0 3.0 3.0 30 50 | 10.0 9.0 1.0 40 40 | 5.0 5.0 10.0 5.0 25 50 | 10.0 3.0 4.0 3.0 15 15 20 30 | 10.0 3.0 4.0 3.0 15 15 20 30 0.3 1.5 0.5 |
Embodiment 1,2,3 preparation methods are as follows: (each raw material weight ratio is pressed described in the table 1)
1) (a carat Ma Yi petro-chemical corporation produces aromaticity content 87%, kinematic viscosity 10-14mm with high molecular polymer SBS (about molecular weight 200,000), the aromatic base rubber filling oil KA8012 of certain part by weight
2/ s), C9 petroleum resin (about 110 ℃ of softening temperature), softening agent were o-phthalic acid dibutyl ester, 105 ℃ of following stirring reactions, 1.0 hours.
2) temperature drops to about 70 ℃, adds the kerosene of certain part by weight again, continues reaction 0.5 hour, makes uniform and stable liquid normal temperature asphalt modification additive.
3) get additive 25 weight parts,, mixed 0.5 hour under 50 ℃, obtain the runny modifying asphalt of uniform and stable normal temperature with matrix pitch 70 weight parts of penetration degree 92, diluent kerosene 5 weight parts.
Embodiment 4 preparation methods are as follows:
With reference to embodiment 1 preparation additive and modifying asphalt, different is that tackifying resin is modified rosin resin (about 85 ℃ an of softening temperature).
Embodiment 5 preparation methods are as follows:
With reference to embodiment 1 preparation additive and modifying asphalt, be not both macromolecular material and select SBS Thermoplastic Elastomer and the compound use of styrene butadiene rubber sbr for use, softening agent is o-phthalic acid dibutyl ester and oxalic acid dibutyl ester weight ratio 2: 1.
Embodiment 6 preparation methods are as follows:
1) is aromatic base rubber filling oil KA8012 (a carat Ma Yi petro-chemical corporation produces) with high molecular polymer SBS (about molecular weight 200,000), the extending oil of certain part by weight and refiningly extracts oily (boiling range＞350 ℃ out, aromaticity content 85wt%) 1: 1 mixture of weight ratio, modified rosin resin (about 85 ℃ of softening temperature) and C9 petroleum resin (about 110 ℃ of softening temperature), plasticizer phthalic acid isobutyl fat, 120 ℃ of following stirring reactions, 0.5 hour.
2) temperature drops to about 60 ℃, adds the diesel oil and the kerosene of certain part by weight again, continues reaction 0.5 hour, makes uniform and stable liquid normal temperature asphalt modification additive.
3) get additive 25 weight parts,, mixed 0.5 hour under 50 ℃, obtain the runny modifying asphalt of uniform and stable normal temperature with matrix pitch 70 weight parts of penetration degree 92, diluent kerosene 5 weight parts.
Embodiment 7 preparation methods are as follows:
With reference to embodiment 6 preparation additive and modifying asphalts, different is to have dosed anti-aging agent (2,6 di-tert-butyls-4-sylvan) 0.5% at first step.Antistripping agent (AST-3 petroleum pitch antistripping agent that the sea waffle company that learns a skill of Xian Road Communication Univ. produces) 0.3% and fire retardant (melamine phosphate) 1.5% have been dosed in second step.
60 ℃ of viscosity of normal temperature modified pitch of embodiment 1,2,3,4,5,6 preparations are 2.6Pa.s, 3.0Pa.s, 4.6Pa.s, 3.5Pa.s, 2.2Pa.s, 2.8Pa.s, 2.7Pa.s respectively, and normal temperature easily flows down, builds construction but normal temperature is used for the road surface.
Claims (10)
1, a kind of road-surface asphalt modified additive at normal temperature comprises following component by weight:
High molecular polymer 5-15%
Extending oil 20-40%
Benzoline 30-60%
Tackifying resin 3-12%
Softening agent 1-5%.
2,, it is characterized in that also containing in anti-aging agent, antistripping agent and the fire retardant one or more according to the described additive of claim 1.
3, according to the described additive of claim 2, it is characterized in that described anti-aging agent weight content is 0.1-2.0%, described antistripping agent weight content is 0.1-2.0%, described fire retardant weight content is 1.0-3.0%.
4, according to the described additive of claim 1, it is characterized in that described high molecular polymer be in the macromolecular material of butylbenzene thermoplastic elastomer (SBS) and styrene-butadiene rubber(SBR) (SBR), hydrogenation thermoplastic elastomer (SEBS) and other suitable asphalt modifications one or more, described extending oil is one or more in aromatic base rubber filling oil and the refining extraction oil that is rich in aromatic hydrocarbons, described benzoline is one or more in gasoline, diesel oil and the kerosene, and described tackifying resin is C
5-C
9In petroleum resin and rosin sex change tackifying resin, terpine resin, vinylbenzene terpine resin, the octyl group phenolic tackifying resins one or more, described softening agent is a rubber plastizing agent.
5,, it is characterized in that described softening agent is one or more in o-phthalic acid dibutyl ester, terephthalic acid dibutyl ester, oxalic acid dibutyl ester, phthalic acid isobutyl fat and the dibutyl phthalate (DBP) according to the described additive of claim 4.
6, according to the described additive of claim 2, it is characterized in that described anti-aging agent is 2, in 6 di-tert-butyls-4-sylvan, the pentaerythritol tetrathioglycollate one or more, described antistripping agent be in amine or the non-amine asphalt antistripping agent one or more, described fire retardant is one or more in three (2, the 3-dibromopropyl) isocyanuric acid ester, melamine phosphate, ammonium polyphosphate flame retardant and the high-efficiency compound fire-proof agent.
7, the preparation method of the described additive of a kind of claim 1 comprises following process:
(1) high molecular polymer, tackifying resin and softening agent are added in the extending oil, in 100-120 ℃ of stirred reactor, reacted 0.5-1.0 hour;
(2) temperature drops to 60-80 ℃ then, adds benzoline, continues reaction 0.5-1.0 hour, makes uniform and stable road-surface asphalt modified additive at normal temperature.
8, in accordance with the method for claim 7, it is characterized in that in (1) step, adding anti-aging agent, in (2) step, add antistripping agent and fire retardant.
9, the application of the arbitrary additive of claim 1～6 in pavement asphalt.
10, according to the described application of claim 9, it is characterized in that additive being added in the pavement asphalt by suitable proportion, add an amount of kerosene or diesel oil and make thinner, mix under 50-60 ℃ and make normal temperature modified pitch.
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|---|---|---|---|
| CNB2004100507756A CN100406508C (en) | 2004-10-29 | 2004-10-29 | Normal temperature modification additive for pavement asphalt and its preparation method and uses |
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| CNB2004100507756A CN100406508C (en) | 2004-10-29 | 2004-10-29 | Normal temperature modification additive for pavement asphalt and its preparation method and uses |
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| CN1765964A true CN1765964A (en) | 2006-05-03 |
| CN100406508C CN100406508C (en) | 2008-07-30 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031000A (en) * | 2010-10-28 | 2011-04-27 | 许昌金欧特沥青股份有限公司 | Pit interface repairing agent and preparation method thereof |
| CN102190898A (en) * | 2011-03-22 | 2011-09-21 | 四川国星高分子树脂有限公司 | Preparation method of paving asphalt modified at normal temperature |
| CN101074321B (en) * | 2006-05-19 | 2012-06-27 | 中国石油化工股份有限公司 | Road-surface asphalt modified additive at normal temperature and its production |
| CN102531472A (en) * | 2011-12-20 | 2012-07-04 | 上海浦东路桥建设股份有限公司 | Open-gradation storage type asphalt mixture for patching of draining asphalt pavement |
| CN103275501A (en) * | 2013-06-08 | 2013-09-04 | 湖南云中沥青有限责任公司 | Asphalt regenerating agent for recycling waste asphalt, and preparation method and application thereof |
| CN103723947A (en) * | 2013-12-30 | 2014-04-16 | 上海浦东路桥建设股份有限公司 | Directly-added ecological asphalt mixture cold filling material additive and preparation method and application |
| CN103865228A (en) * | 2014-03-14 | 2014-06-18 | 安徽瑞邦橡塑助剂集团有限公司 | Tackifying resin and preparation method thereof |
| CN107141825A (en) * | 2017-06-09 | 2017-09-08 | 芜湖卧牛山建筑节能材料有限公司 | A kind of fire-retardant modified asphalt, flame-retardant self-adhesive bituminized shingle and preparation method thereof |
| CN108034268A (en) * | 2017-12-26 | 2018-05-15 | 长沙理工大学 | Asphalt cold repairing liquid and preparation method thereof |
| CN108083688A (en) * | 2017-12-26 | 2018-05-29 | 长沙理工大学 | Solvent-borne type cold repairing asphalt mixture and preparation method thereof |
| CN110938312A (en) * | 2019-12-12 | 2020-03-31 | 黑龙江省三江工程建设项目服务中心 | Asphalt base material for pavement engineering normal-temperature construction and preparation method thereof |
| CN111606602A (en) * | 2019-02-26 | 2020-09-01 | 北京路德永泰环保科技有限公司 | Cold-patch rubber asphalt mixture and preparation method thereof |
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| CN1376756A (en) * | 2002-04-04 | 2002-10-30 | 鞍山森远高等级公路养护机械制造有限公司 | Sealing adhesive for crack on road |
| CN1442449A (en) * | 2002-09-29 | 2003-09-17 | 袁永长 | Cold repairing additive for road and its manufacturing method |
| CN1478821A (en) * | 2003-07-10 | 2004-03-03 | 武汉路祥工贸有限公司 | Asphalt road surface normal temperature repairing material and its preparation method |
| CN1487044A (en) * | 2003-09-16 | 2004-04-07 | 上海迎奥庆科技贸易有限公司 | Environment protecting cold adhesive for spreading and repairing road and its usage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074321B (en) * | 2006-05-19 | 2012-06-27 | 中国石油化工股份有限公司 | Road-surface asphalt modified additive at normal temperature and its production |
| CN102031000A (en) * | 2010-10-28 | 2011-04-27 | 许昌金欧特沥青股份有限公司 | Pit interface repairing agent and preparation method thereof |
| CN102190898A (en) * | 2011-03-22 | 2011-09-21 | 四川国星高分子树脂有限公司 | Preparation method of paving asphalt modified at normal temperature |
| CN102190898B (en) * | 2011-03-22 | 2012-07-04 | 四川国星高分子树脂有限公司 | Preparation method of paving asphalt modified at normal temperature |
| CN102531472A (en) * | 2011-12-20 | 2012-07-04 | 上海浦东路桥建设股份有限公司 | Open-gradation storage type asphalt mixture for patching of draining asphalt pavement |
| CN102531472B (en) * | 2011-12-20 | 2013-08-28 | 上海浦东路桥建设股份有限公司 | Open-gradation storage type asphalt mixture for patching of draining asphalt pavement |
| CN103275501A (en) * | 2013-06-08 | 2013-09-04 | 湖南云中沥青有限责任公司 | Asphalt regenerating agent for recycling waste asphalt, and preparation method and application thereof |
| CN103723947A (en) * | 2013-12-30 | 2014-04-16 | 上海浦东路桥建设股份有限公司 | Directly-added ecological asphalt mixture cold filling material additive and preparation method and application |
| CN103865228A (en) * | 2014-03-14 | 2014-06-18 | 安徽瑞邦橡塑助剂集团有限公司 | Tackifying resin and preparation method thereof |
| CN103865228B (en) * | 2014-03-14 | 2016-08-17 | 安徽瑞邦橡塑助剂集团有限公司 | A kind of tackifying resin and preparation method thereof |
| CN107141825A (en) * | 2017-06-09 | 2017-09-08 | 芜湖卧牛山建筑节能材料有限公司 | A kind of fire-retardant modified asphalt, flame-retardant self-adhesive bituminized shingle and preparation method thereof |
| CN107141825B (en) * | 2017-06-09 | 2019-05-17 | 芜湖卧牛山建筑节能材料有限公司 | A kind of fire-retardant modified asphalt, flame-retardant self-adhesive bituminized shingle and preparation method thereof |
| CN108034268A (en) * | 2017-12-26 | 2018-05-15 | 长沙理工大学 | Asphalt cold repairing liquid and preparation method thereof |
| CN108083688A (en) * | 2017-12-26 | 2018-05-29 | 长沙理工大学 | Solvent-borne type cold repairing asphalt mixture and preparation method thereof |
| CN111606602A (en) * | 2019-02-26 | 2020-09-01 | 北京路德永泰环保科技有限公司 | Cold-patch rubber asphalt mixture and preparation method thereof |
| CN111606602B (en) * | 2019-02-26 | 2022-07-15 | 北京路德永泰环保科技有限公司 | Cold-patch rubber asphalt mixture and preparation method thereof |
| CN110938312A (en) * | 2019-12-12 | 2020-03-31 | 黑龙江省三江工程建设项目服务中心 | Asphalt base material for pavement engineering normal-temperature construction and preparation method thereof |
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|---|---|
| CN100406508C (en) | 2008-07-30 |
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