CN104961371A - Environmentally-friendly non-amine asphalt modifier and preparation method thereof - Google Patents
Environmentally-friendly non-amine asphalt modifier and preparation method thereof Download PDFInfo
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- CN104961371A CN104961371A CN201510316512.3A CN201510316512A CN104961371A CN 104961371 A CN104961371 A CN 104961371A CN 201510316512 A CN201510316512 A CN 201510316512A CN 104961371 A CN104961371 A CN 104961371A
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Abstract
The invention relates to an environmentally-friendly non-amine asphalt modifier. The modifier comprises, by weight, 50-60 parts of phosphate ester, 5-6 parts of n-dodecanol, 20-30 parts of acrylate, 8-10 parts of kaolin, 12-18 parts ofstearic acid, 15-20 parts of N-methyl-2-pyrrolidone, 10-18 parts of sodium hydroxide, 10-15 parts of a stabilizer, 1-6 parts of an antioxidant and 3-10 parts of a warm mixing agent. The environmentally-friendly non-amine asphalt modifier can greatly improve the adhesiveness of asphalt and aggregates, and has the advantages of simple production process, use convenience, small dosage, low cost and good environmental protection performance. The invention also provides a preparation method of the asphalt modifier.
Description
Technical field
The present invention relates to the agent of a kind of pavement asphalt material modification, particularly a kind of environment-friendly type non-amine asphalt properties-correcting agent and preparation method thereof.
Background technology
According to design specifications during construction motorway, when using acid stone, for making the adhesivity of pitch and building stones reach 5 grades, asphalt anti-stripping agent must be added.Only in this way could reduce and resist the infringement of water to motorway, extend the work-ing life of motorway.For the grouan that the dioxide-containing silica of the acidity of motorway use is high, the adhesivity of the building stones such as basalt and pitch has obvious effect, can bring up to 4-5 level adhesivity from 1-2 level.Current domestic production and the asphalt anti-stripping agent great majority of liquid form that motorway uses be amine.The resisting ageing for long time performance of the asphalt anti-stripping agent of amine is bad, according to specification test, amine asphalt anti-stripping agent is carried out 163 DEG C, after 5 hours aging, adhesivity can reach 5 grades for qualified, at 163 DEG C after aging 10 hours, adhesivity does not reach 5 grades, and wherein part is 4 grades (defective), continue 163 DEG C aging 20 hours, until after 48 hours, asphalt anti-stripping agent all lost efficacy, the adhesivity of pitch and building stones was the same with when not adding pitch anti-stripping agent.
The bituminous concrete used in road construction is mixed and stirred at 180 DEG C-190 DEG C by pitch, building stones, then be transported to highway pavement lay, and the aging point of pitch is from being greater than 170 DEG C, after more than 170 DEG C, pitch is along with time lengthening, pitch starts aging, performance starts to decline, and degree of aging here and degradation are directly proportional to temperature and time after 170 DEG C.Traditional amine asphalt anti-stripping agent 163 DEG C, just aging after 5 hours, what be more difficult to adaptation 180 DEG C-190 DEG C mixes and stirs temperature condition.
Summary of the invention
The object of the invention is to provide a kind of environment-friendly type non-amine asphalt properties-correcting agent, the adhesivity that can significantly improve pitch Yu gather materials, production technique is simple, easy to use, consumption is few, cost is low, good environmental protection, provides the preparation method of this asphalt modifier simultaneously.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of environment-friendly type non-amine asphalt properties-correcting agent, its moiety is counted as follows by weight:
Phosphoric acid ester: 50-60 part
N-dodecanol: 5-6 part
Acrylate: 20-30 part
Kaolin: 8-10 part
Stearic acid: 12-18 part
METHYLPYRROLIDONE: 15-20 part
Sodium hydroxide: 10-18 part
Stablizer: 10-15 part
Antioxidant: 1-6 part
Warm-mixing agent: 3-10 part;
Described stablizer is counted by weight and is mixed with is formed by silicone oil 2-6 part, tetramethylolmethane 1-3 part, glycerol 1-4 part, sodium sorbate 0-3 part;
Described antioxidant is counted by weight and is mixed with is formed by 2,6-di-tert-butyl-4-methy phenol 8-12 part, the two octadecyl 1-3 part of thio-2 acid;
Described warm-mixing agent is counted by weight and is mixed with is formed by vinyl carbinol polyoxyalkyl ether 4-8 part, polyethylene 1-3 part, Palmiticacid 0-2 part.
The preparation method of above-mentioned a kind of environment-friendly type non-amine asphalt properties-correcting agent, its preparation method is: above-mentioned each component added in reactor and carry out three stepwise heating stirrings, first stage Heating temperature is 35-45 DEG C, heat-up time is 1-2h, temperature is increased to 60-80 DEG C after terminating and carries out subordinate phase heating by first stage heating in 10-20min, heat-up time is 0.5-1h, after subordinate phase heating terminates, in 5-10min, temperature is raised and carry out phase III heating at 100-120 DEG C, heat-up time is 2-3h, phase III heating naturally cools to room temperature after terminating.
Beneficial effect of the present invention is:
The present invention can significantly improve pitch and the adhesivity of gathering materials, production technique is simple, easy to use, consumption is few, cost is low, good environmental protection, increases substantially the performance of bituminous pavement anti-water damage, improves the anti-ageing property of pitch, greatly extend drop the work-ing life on road surface, reduce and decrease maintenance cost.
Specific embodiment
Below by way of specific embodiment, the specific embodiment of the present invention is described in further detail.
Example one
A preparation method for environment-friendly type non-amine asphalt properties-correcting agent, its preparation method is:
(1) stablizer is prepared: count by weight and silicone oil 4 parts, tetramethylolmethane 2 parts, glycerol 3 parts, sodium sorbate 2 parts are mixed with to obtain stablizer;
(2) antioxidant is prepared: count by weight and 2,6-di-tert-butyl-4-methy phenol 10 parts, the two octadecyl 2 parts of thio-2 acid are mixed with to obtain antioxidant;
(3) warm-mixing agent is prepared: count by weight and vinyl carbinol polyoxyalkyl ether 5 parts, polyethylene 2 parts, Palmiticacid 1 part are mixed with to obtain warm-mixing agent;
(4) count phosphoric acid ester by weight: 55 parts, n-dodecanol: 5.5 parts, acrylate: 25 parts, kaolin: 9 parts, stearic acid: 15 parts, METHYLPYRROLIDONE: 17 parts, sodium hydroxide: 15 parts, stablizer: 12 parts, antioxidant: 3 parts, warm-mixing agent: 6 parts add in reactor and carry out three stepwise heating stirrings, first stage Heating temperature is 40 DEG C, heat-up time is 1.5h, temperature is increased to 70 DEG C after terminating and carries out subordinate phase heating by first stage heating in 15min, heat-up time is 1h, after subordinate phase heating terminates, in 8min, temperature is raised and carry out phase III heating at 110 DEG C, heat-up time is 2.5h, phase III heating naturally cools to room temperature after terminating.
Example two
A preparation method for environment-friendly type non-amine asphalt properties-correcting agent, its preparation method is:
(1) stablizer is prepared: count by weight and silicone oil 2 parts, tetramethylolmethane 1 part, glycerol 1 part are mixed with to obtain stablizer;
(2) antioxidant is prepared: count by weight and 2,6-di-tert-butyl-4-methy phenol 8 parts, the two octadecyl 1 part of thio-2 acid are mixed with to obtain antioxidant;
(3) warm-mixing agent is prepared: count by weight and vinyl carbinol polyoxyalkyl ether 4 parts, polyethylene 1 part are mixed with to obtain warm-mixing agent;
(4) count phosphoric acid ester by weight: 50 parts, n-dodecanol: 5 parts, acrylate: 20 parts, kaolin: 8 parts, stearic acid: 12 parts, METHYLPYRROLIDONE: 15 parts, sodium hydroxide: 10 parts, stablizer: 10 parts, antioxidant: 1 part, warm-mixing agent: 3-part adds in reactor carries out three stepwise heating stirrings, first stage Heating temperature is 35 DEG C, heat-up time is 1h, temperature is increased to 60 DEG C after terminating and carries out subordinate phase heating by first stage heating in 10min, heat-up time is 0.5h, after subordinate phase heating terminates, in 5min, temperature is raised and carry out phase III heating at 100 DEG C, heat-up time is 2h, phase III heating naturally cools to room temperature after terminating.
Example three
A preparation method for environment-friendly type non-amine asphalt properties-correcting agent, its preparation method is:
(1) stablizer is prepared: count by weight and silicone oil 6 parts, tetramethylolmethane 3 parts, glycerol 4 parts, sodium sorbate 3 parts are mixed with to obtain stablizer;
(2) antioxidant is prepared: count by weight and 2,6-di-tert-butyl-4-methy phenol 12 parts, the two octadecyl 3 parts of thio-2 acid are mixed with to obtain antioxidant;
(3) warm-mixing agent is prepared: count by weight and vinyl carbinol polyoxyalkyl ether 8 parts, polyethylene 3 parts, Palmiticacid 2 parts are mixed with to obtain warm-mixing agent;
(4) count phosphoric acid ester by weight: 60 parts, n-dodecanol: 6 parts, acrylate: 30 parts, kaolin: 10 parts, stearic acid: 18 parts, METHYLPYRROLIDONE: 20 parts, sodium hydroxide: 18 parts, stablizer: 15 parts, antioxidant: 6 parts, warm-mixing agent: 10 parts add in reactor and carry out three stepwise heating stirrings, first stage Heating temperature is 45 DEG C, heat-up time is 2h, temperature is increased to 80 DEG C after terminating and carries out subordinate phase heating by first stage heating in 20min, heat-up time is 1h, after subordinate phase heating terminates, in 10min, temperature is raised and carry out phase III heating at 120 DEG C, heat-up time is 3h, phase III heating naturally cools to room temperature after terminating.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (2)
1. an environment-friendly type non-amine asphalt properties-correcting agent, is characterized by, and its moiety is counted as follows by weight:
Phosphoric acid ester: 50-60 part
N-dodecanol: 5-6 part
Acrylate: 20-30 part
Kaolin: 8-10 part
Stearic acid: 12-18 part
METHYLPYRROLIDONE: 15-20 part
Sodium hydroxide: 10-18 part
Stablizer: 10-15 part
Antioxidant: 1-6 part
Warm-mixing agent: 3-10 part;
Described stablizer is counted by weight and is mixed with is formed by silicone oil 2-6 part, tetramethylolmethane 1-3 part, glycerol 1-4 part, sodium sorbate 0-3 part;
Described antioxidant is counted by weight and is mixed with is formed by 2,6-di-tert-butyl-4-methy phenol 8-12 part, the two octadecyl 1-3 part of thio-2 acid;
Described warm-mixing agent is counted by weight and is mixed with is formed by vinyl carbinol polyoxyalkyl ether 4-8 part, polyethylene 1-3 part, Palmiticacid 0-2 part.
2. the preparation method of a kind of environment-friendly type non-amine asphalt properties-correcting agent as claimed in claim 1, it is characterized by, its preparation method is: above-mentioned each component added in reactor and carry out three stepwise heating stirrings, first stage Heating temperature is 35-45 DEG C, heat-up time is 1-2h, temperature is increased to 60-80 DEG C after terminating and carries out subordinate phase heating by first stage heating in 10-20min, heat-up time is 0.5-1h, after subordinate phase heating terminates, in 5-10min, temperature is raised and carry out phase III heating at 100-120 DEG C, heat-up time is 2-3h, phase III heating naturally cools to room temperature after terminating.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2156227C1 (en) * | 1999-01-18 | 2000-09-20 | Военный инженерно-технический университет | Method of preparing asphalt-concrete mix |
| CN1789340A (en) * | 2004-12-17 | 2006-06-21 | 同济大学 | Asphalt anti-stripping agent and its preparation method |
| CN101774778A (en) * | 2010-01-05 | 2010-07-14 | 河海大学 | Nonionic non-amine asphalt anti-stripping agent and preparation method thereof |
| CN102504555A (en) * | 2011-11-15 | 2012-06-20 | 镇江金阳道路材料科技发展有限公司 | Non-amine liquid asphalt anti-stripping agent and preparation method thereof |
| CN103525101A (en) * | 2013-09-17 | 2014-01-22 | 镇江金阳道路材料科技发展有限公司 | Novel asphalt mixture modifier capable of being warmly mixed as well as preparation method thereof and preparation method of mixture thereof |
-
2015
- 2015-06-11 CN CN201510316512.3A patent/CN104961371B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2156227C1 (en) * | 1999-01-18 | 2000-09-20 | Военный инженерно-технический университет | Method of preparing asphalt-concrete mix |
| CN1789340A (en) * | 2004-12-17 | 2006-06-21 | 同济大学 | Asphalt anti-stripping agent and its preparation method |
| CN101774778A (en) * | 2010-01-05 | 2010-07-14 | 河海大学 | Nonionic non-amine asphalt anti-stripping agent and preparation method thereof |
| CN102504555A (en) * | 2011-11-15 | 2012-06-20 | 镇江金阳道路材料科技发展有限公司 | Non-amine liquid asphalt anti-stripping agent and preparation method thereof |
| CN103525101A (en) * | 2013-09-17 | 2014-01-22 | 镇江金阳道路材料科技发展有限公司 | Novel asphalt mixture modifier capable of being warmly mixed as well as preparation method thereof and preparation method of mixture thereof |
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