CN112745684B - Non-amine asphalt anti-stripping agent and preparation method thereof - Google Patents
Non-amine asphalt anti-stripping agent and preparation method thereof Download PDFInfo
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- CN112745684B CN112745684B CN202110070517.8A CN202110070517A CN112745684B CN 112745684 B CN112745684 B CN 112745684B CN 202110070517 A CN202110070517 A CN 202110070517A CN 112745684 B CN112745684 B CN 112745684B
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a non-amine asphalt anti-stripping agent, which comprises the following components in parts by weight: 50-60 parts of paraffin, 20-30 parts of oleic acid, 20-30 parts of sodium dodecyl phosphate, 50-60 parts of molecular sieve, 4-6 parts of long-chain organosilane, 3-7 parts of aminosilane, 4-10 parts of antioxidant, 2-4 parts of phosphorus pentoxide and 1-3 parts of manganese dioxide. The non-amine asphalt anti-stripping agent can effectively improve the adhesion of the pavement asphalt material to various stones, simultaneously improve the aging resistance of the pavement asphalt material and prolong the service life of the pavement asphalt material.
Description
Technical Field
The invention relates to the field of asphalt anti-stripping agents, in particular to a non-amine asphalt anti-stripping agent and a preparation method thereof.
Background
The phenomena of loosening and pit and groove are easy to occur after the pavement asphalt material is used for a long time, so that in order to reduce the damage of the asphalt pavement, an asphalt anti-stripping agent is required to be added into asphalt or an asphalt mixture. Most of the traditional asphalt anti-stripping agents are amine substances, so that the traditional asphalt anti-stripping agents have the defects of high environmental pollution, poor effect of improving the asphalt adhesion and poor ultraviolet aging resistance.
Disclosure of Invention
Aiming at the problems, the invention provides a non-amine asphalt anti-stripping agent and a preparation method thereof, and the non-amine asphalt anti-stripping agent has the advantages of small environmental pollution, excellent ultraviolet aging resistance and capability of effectively improving the adhesion between asphalt and stone.
The technical scheme adopted by the invention is as follows:
a non-amine asphalt anti-stripping agent comprises the following components: paraffin, oleic acid, sodium dodecyl phosphate, a molecular sieve and silane.
In a further technical scheme, the antioxidant is also included.
In a further technical scheme, the phosphorus pentoxide compound also comprises phosphorus pentoxide.
In a further technical scheme, the manganese dioxide is also included.
In a further aspect, the silanes include long chain organosilanes and aminosilanes.
In a further technical scheme, the weight parts of the components are as follows: 50-60 parts of paraffin, 20-30 parts of oleic acid, 20-30 parts of sodium dodecyl phosphate, 50-60 parts of molecular sieve, 4-6 parts of long-chain organosilane, 3-7 parts of aminosilane, 4-10 parts of antioxidant, 2-4 parts of phosphorus pentoxide and 1-3 parts of manganese dioxide.
The formula of the invention mainly comprises paraffin, oleic acid, sodium dodecyl phosphate, a molecular sieve and silane, wherein the phosphate sodium dodecyl phosphate is added in the formula, so that the adhesiveness of asphalt to stone materials can be improved, meanwhile, long-chain organosilane, aminosilane and antioxidant are adopted to carry out anti-ultraviolet aging modification on the molecular sieve, and the long-chain organosilane, aminosilane and antioxidant are grafted on the surface of the molecular sieve, so that after the asphalt anti-stripping agent disclosed by the invention is mixed with asphalt materials, the anti-ultraviolet aging performance of asphalt materials on road surfaces can be effectively improved, and the service life of asphalt road surfaces is prolonged.
The invention also provides a preparation method of the non-amine asphalt anti-stripping agent, and the technical scheme is as follows:
a preparation method of a non-amine asphalt anti-stripping agent comprises the following steps:
s1, dissolving a molecular sieve in an organic solvent, sequentially adding long-chain organosilane, aminosilane and an antioxidant, keeping an inert environment, heating and refluxing, cooling to room temperature, filtering, washing and drying to obtain the ultraviolet aging resistant modified molecular sieve;
s2, adding paraffin, oleic acid, sodium dodecyl phosphate and the prepared ultraviolet aging resistant modified molecular sieve into a mixer, and stirring at the temperature of 80-95 ℃ until the mixture is uniformly mixed;
and S3, sequentially adding phosphorus pentoxide and manganese dioxide which are ground by a ball mill into the mixture, continuously and uniformly mixing, cooling to room temperature, and drying to obtain the non-amine asphalt anti-stripping agent.
In a further technical scheme, in the step S1, the heating reflux temperature is 75-80 ℃, and the reflux time is 6-7 h.
The invention has the beneficial effects that:
1. the addition of sodium dodecyl phosphate as phosphate salt can raise the adhesion of asphalt to stone material.
2. The long-chain organosilane, the aminosilane and the antioxidant are adopted to carry out anti-ultraviolet aging modification on the molecular sieve, and the long-chain organosilane, the aminosilane and the antioxidant are grafted on the surface of the molecular sieve, so that the anti-ultraviolet aging performance of the asphalt material for the pavement can be effectively improved and the service life of the asphalt pavement can be prolonged after the asphalt anti-stripping agent is mixed with asphalt materials.
Detailed Description
The following provides a detailed description of embodiments of the invention.
Example 1:
a non-amine asphalt anti-stripping agent comprises the following components: paraffin, oleic acid, sodium dodecyl phosphate, molecular sieve and silane.
In this embodiment, an antioxidant is also included.
In this embodiment, phosphorus pentoxide is also included.
In this embodiment, manganese dioxide is also included.
In this embodiment, silanes include long chain organosilanes and aminosilanes.
In this example, the weight parts of the components are as follows: 55 parts of paraffin, 25 parts of oleic acid, 25 parts of sodium dodecyl phosphate, 55 parts of molecular sieve, 5 parts of long-chain organosilane, 5 parts of aminosilane, 7 parts of antioxidant, 3 parts of phosphorus pentoxide and 2 parts of manganese dioxide.
The preparation method of the non-amine asphalt anti-stripping agent comprises the following steps:
s1, dissolving a molecular sieve in an organic solvent, sequentially adding long-chain organosilane, aminosilane and an antioxidant, keeping an inert environment, heating and refluxing for 6-7 h at the temperature of 75-80 ℃, cooling to room temperature, filtering, washing and drying to prepare the anti-ultraviolet aging modified molecular sieve;
s2, adding paraffin, oleic acid, sodium dodecyl phosphate and the prepared ultraviolet aging resistant modified molecular sieve into a mixer, and stirring at the temperature of 80-95 ℃ until the mixture is uniformly mixed;
and S3, sequentially adding phosphorus pentoxide and manganese dioxide which are ground by a ball mill into the mixture, continuously and uniformly mixing, cooling to room temperature, and drying to obtain the non-amine asphalt anti-stripping agent.
The formula of the invention mainly comprises paraffin, oleic acid, sodium dodecyl phosphate, a molecular sieve and silane, wherein the phosphate sodium dodecyl phosphate is added in the formula, so that the adhesiveness of asphalt to stone materials can be improved, meanwhile, long-chain organosilane, aminosilane and antioxidant are adopted to carry out anti-ultraviolet aging modification on the molecular sieve, and the long-chain organosilane, aminosilane and antioxidant are grafted on the surface of the molecular sieve, so that after the asphalt anti-stripping agent disclosed by the invention is mixed with asphalt materials, the anti-ultraviolet aging performance of asphalt materials on road surfaces can be effectively improved, and the service life of asphalt road surfaces is prolonged.
Example 2:
the components and preparation method of the formulation described in example 1 are the same as those of this example, except that the weight parts of the components in this example are as follows: 50 parts of paraffin, 20 parts of oleic acid, 20 parts of sodium dodecyl phosphate, 50 parts of molecular sieve, 4 parts of long-chain organosilane, 3 parts of aminosilane, 4 parts of antioxidant, 2 parts of phosphorus pentoxide and 1 part of manganese dioxide.
Example 3:
the components and preparation method of the formulation described in example 1 are the same in this example, except that the components in this example are as follows in parts by weight: 60 parts of paraffin, 30 parts of oleic acid, 30 parts of sodium dodecyl phosphate, 60 parts of molecular sieve, 6 parts of long-chain organosilane, 7 parts of aminosilane, 10 parts of antioxidant, 4 parts of phosphorus pentoxide and 3 parts of manganese dioxide.
The non-amine asphalt anti-stripping agents prepared in examples 1 to 3 were heated to 180 ℃ to 190 ℃ and mixed in a ratio of 99.2% to 99.5% of the asphalt material of the pavement to 0.05% to 0.08% of the non-amine asphalt anti-stripping agent to test the adhesion grade and the aging resistance of the asphalt pavement to limestone, basalt and granite, and the results were as follows:
therefore, the non-amine asphalt anti-stripping agent can effectively improve the adhesion of the pavement asphalt material to various stone materials, simultaneously improve the aging resistance of the pavement asphalt material and prolong the service life of the pavement asphalt material.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (1)
1. The preparation method of the non-amine asphalt anti-stripping agent is characterized by comprising the following steps:
s1, dissolving a molecular sieve in an organic solvent, sequentially adding long-chain organosilane, aminosilane and an antioxidant, keeping an inert environment, heating and refluxing, cooling to room temperature, filtering, washing and drying to obtain the ultraviolet aging resistant modified molecular sieve;
s2, adding paraffin, oleic acid, sodium dodecyl phosphate and the prepared ultraviolet aging resistant modified molecular sieve into a mixer, and stirring at the temperature of 80-95 ℃ until the mixture is uniformly mixed;
s3, sequentially adding phosphorus pentoxide and manganese dioxide which are ground by a ball mill into the mixture, continuously and uniformly mixing, cooling to room temperature, and drying to obtain the non-amine asphalt anti-stripping agent;
in the step S1, the heating reflux temperature is 75-80 ℃, and the reflux time is 6-7 h; wherein the content of the first and second substances,
the non-amine asphalt anti-stripping agent comprises the following components in parts by weight: 50-60 parts of paraffin, 20-30 parts of oleic acid, 20-30 parts of sodium dodecyl phosphate, 50-60 parts of molecular sieve, 4-6 parts of long-chain organosilane, 3-7 parts of aminosilane, 4-10 parts of antioxidant, 2-4 parts of phosphorus pentoxide and 1-3 parts of manganese dioxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110070517.8A CN112745684B (en) | 2021-01-19 | 2021-01-19 | Non-amine asphalt anti-stripping agent and preparation method thereof |
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| CN202110070517.8A CN112745684B (en) | 2021-01-19 | 2021-01-19 | Non-amine asphalt anti-stripping agent and preparation method thereof |
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| CN112745684B true CN112745684B (en) | 2023-04-07 |
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| CN114751769B (en) * | 2022-05-24 | 2023-03-17 | 南京盛科道路新材料科技有限公司 | Anti-rutting pavement asphalt mixture and preparation method thereof |
| CN115418027B (en) * | 2022-10-17 | 2023-09-19 | 炜宏新材料科技有限公司 | Anti-aging asphalt anti-stripping agent, and preparation method and application thereof |
| CN115975389B (en) * | 2023-02-24 | 2024-02-02 | 山东海韵沥青有限公司 | Chemically modified aging-resistant asphalt and preparation method thereof |
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| CN1673282A (en) * | 2004-03-26 | 2005-09-28 | 天津市市政工程研究院 | Asphalt modifier and its usage |
| RU2642661C2 (en) * | 2012-10-31 | 2018-01-25 | Акцо Нобель Кемикалз Интернэшнл Б.В. | Phosphate compounds as adhesion promotors |
| CN104693234A (en) * | 2013-12-04 | 2015-06-10 | 青岛惠城石化科技有限公司 | A synthesis process of a monododecyl phosphate asphalt anti-stripping agent |
| CN105131623B (en) * | 2015-10-08 | 2018-12-14 | 苏州拓博琳新材料科技有限公司 | A kind of asphalt anti-stripping agent, preparation method and application |
| CN108219486A (en) * | 2017-12-29 | 2018-06-29 | 常州市鼎日环保科技有限公司 | A kind of high Humid Area asphalt anti-stripping agent of saliferous |
| CN110451846B (en) * | 2018-05-07 | 2022-03-08 | 中国石油化工股份有限公司 | Asphalt anti-stripping agent with ultraviolet aging resistance and preparation method thereof |
| CN108623207A (en) * | 2018-06-11 | 2018-10-09 | 江苏金阳新材料科技有限公司 | A kind of asphalt anti-stripping agent and its application method of phosphate ester-containing salt |
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