CN116178790A - Environment-friendly asphalt improver and preparation method and application thereof - Google Patents
Environment-friendly asphalt improver and preparation method and application thereof Download PDFInfo
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Abstract
The invention belongs to the field of asphalt, and particularly relates to an environment-friendly asphalt improver as well as a preparation method and application thereof. The environment-friendly asphalt improver provided by the invention comprises the following components: 20-65% of dispersing agent; 15-40% of antioxidant; 15-40% of an odor reactant; the odor reactant includes one or more of limonene, terpinene, alpha-terpinene, pinene, rosin apigenin, myrtenol, verbenol, citral, citronellal, hydroxycitronellal, phellandrene, perillaldehyde, menthone, carvone, dihydrocarvone, piperonyl, camphor, methylnonenal, isopentenyl aldehyde, methylpentyl cinnamaldehyde, ethylcinnamaldehyde, alpha-hexyl cinnamaldehyde, 9-decenal, 2-tridecenal, and hexadecenal. The asphalt improver provided by the invention can obviously improve the ageing resistance in the asphalt mixing and construction processes, and obviously reduce the emission of harmful pollutants.
Description
The application is a divisional application of an invention patent application with the application number of 202010673703.6 and the name of 'an environment-friendly asphalt improver and a preparation method and application' which are filed by the applicant in the year of 7 and 14 in 2020.
Technical Field
The invention belongs to the field of asphalt, and particularly relates to an environment-friendly asphalt improver as well as a preparation method and application thereof.
Background
Asphalt is a temperature-sensitive material, and the higher the temperature is, the lower the viscosity is. In order to obtain better construction workability in the mixing and construction processes, the asphalt is usually heated, the mixing temperature of the common matrix asphalt is about 160 ℃, the modified asphalt is required to reach 180 ℃, and at the temperature, the asphalt can undergo a complex aging process, and the dehydrogenation condensation and oxidation reaction are mainly adopted. The volatilization and the violent chemical reaction of the light components in the asphalt not only can reduce the performance index of the asphalt, but also can generate a great amount of harmful pollutants such as hydrogen sulfide, sulfur dioxide, VOCs and the like.
Along with the increasing importance of the national environmental protection regulations, industries which are easy to generate toxic and organic pollutants and malodorous smell face crisis, environmental protection type and odor purification type asphalt products become research hotspots of the asphalt industry, and how to effectively reduce the emission of harmful pollutants in the asphalt mixing and construction process becomes a technical problem to be solved urgently in the asphalt industry.
Disclosure of Invention
In view of the above, the invention aims to provide an environment-friendly asphalt improver as well as a preparation method and application thereof.
The invention provides an environment-friendly asphalt improver, which comprises the following components in percentage by mass:
20-65% of dispersing agent;
15-40% of antioxidant;
15-40% of an odor reactant;
the odor reactant includes one or more of limonene, terpinene, alpha-terpinene, pinene, rosin apigenin, myrtenol, verbenol, citral, citronellal, hydroxycitronellal, phellandrene, perillaldehyde, menthone, carvone, dihydrocarvone, piperonyl, camphor, methylnonenal, isopentenyl aldehyde, methylpentyl cinnamaldehyde, ethylcinnamaldehyde, alpha-hexyl cinnamaldehyde, 9-decenal, 2-tridecenal, and hexadecenal.
Preferably, the odor reactant includes a plurality of limonene, terpinene, citral, citronellal, alpha-hexyl cinnamaldehyde, and hexadecenal.
Preferably, the odor reactant is a mixture of limonene, terpinene and alpha-hexyl cinnamaldehyde, or a mixture of citral, citronellal and hexadecenal, or a mixture of alpha-hexyl cinnamaldehyde and hexadecenal.
Preferably, the dispersant comprises one or more of ethylene glycol butyl ether acetate, diethylene glycol butyl ether acetate, pentaerythritol tetraisooctanoate, pentaerythritol benzoate, pentaerythritol isononanoate, pentaerythritol triacrylate, pentaerythritol tetraisostearate, pentaerythritol tetraacrylate, rosin glycerol ester, rosin pentaerythritol ester, pentaerythritol oleate, pentaerythritol tetramyristate, neopentyl glycol dioleate, glycerol mono fatty acid ester, ethylene glycol oleate, glycerol mono-octadecanoate, ethylene glycol dimethacrylate, triethylene glycol diisooctanoate, succinimide, bissuccinimide, succinimide boride and polyisobutenyl butanediamide.
Preferably, the dispersant comprises one or more of succinimide, pentaerythritol oleate and glycerol mono-fatty acid esters.
Preferably, the antioxidant comprises one or more of pentaerythritol bisoctadecyl phosphite, 2, 6-di-tert-butyl-4-methylphenol, octadecyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1,3, 5-trimethyl-2, 4, 6-tris (3, 5-tert-butyl-4-hydroxybenzyl) benzene and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid.
Preferably, the antioxidant comprises pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and/or distearyl pentaerythritol diphosphite.
The invention provides a preparation method of the environment-friendly asphalt improver, which comprises the following steps:
and heating and mixing the dispersing agent, the antioxidant and the odor reactant to obtain the environment-friendly asphalt improver.
The invention provides environment-friendly asphalt, which comprises the environment-friendly asphalt modifier and base asphalt.
Preferably, the mass ratio of the environment-friendly asphalt modifier to the base asphalt is (0.01-0.1): 100.
compared with the prior art, the invention provides an environment-friendly asphalt improver as well as a preparation method and application thereof. The environment-friendly asphalt improver provided by the invention comprises the following components: 20-65% of dispersing agent; 15-40% of antioxidant; 15-40% of an odor reactant; the odor reactant includes one or more of limonene, terpinene, alpha-terpinene, pinene, rosin apigenin, myrtenol, verbenol, citral, citronellal, hydroxycitronellal, phellandrene, perillaldehyde, menthone, carvone, dihydrocarvone, piperonyl, camphor, methylnonenal, isopentenyl aldehyde, methylpentyl cinnamaldehyde, ethylcinnamaldehyde, alpha-hexyl cinnamaldehyde, 9-decenal, 2-tridecenal, and hexadecenal. The asphalt improver provided by the invention can obviously improve the ageing resistance in the asphalt mixing and construction processes, and obviously reduce the emission of harmful pollutants. Experimental results show that after the asphalt modifier provided by the invention is added in the asphalt mixing and construction process, the mass loss of TFOT ageing residual substances of asphalt is obviously reduced, and the contents of hydrogen sulfide, sulfur dioxide, nitride and VOCs in asphalt smoke are obviously reduced.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an environment-friendly asphalt improver, which comprises the following components in percentage by mass:
20-65% of dispersing agent;
15-40% of antioxidant;
15-40% of an odor reactant;
the odor reactant includes one or more of limonene, terpinene, alpha-terpinene, pinene, abietyl alcohol, myrtenol, verbenol, citral, citronellal, hydroxycitronellal, phellandrene, perillaldehyde, menthone, carvone, dihydrocarvone, piperonyl, camphor, methylnonenal, isopentenyl aldehyde, methylpentyl cinnamaldehyde, ethylcinnamaldehyde, alpha-hexyl cinnamaldehyde, 9-decenal, 2-tridecenal, and hexadecenal.
The asphalt improver provided by the invention comprises a dispersing agent, an antioxidant and an odor reactant. Wherein the dispersant preferably comprises one or more of ethylene glycol butyl ether acetate, diethylene glycol butyl ether acetate, pentaerythritol tetraisooctanoate, pentaerythritol benzoate, pentaerythritol isononanoate, pentaerythritol triacrylate, pentaerythritol tetraisostearate, pentaerythritol tetraacrylate, rosin glycerol ester, rosin pentaerythritol ester, pentaerythritol oleate, pentaerythritol tetramyristate, neopentyl glycol dioleate, glycerol mono fatty acid ester, ethylene glycol oleate, glycerol mono-octadecanoate, ethylene glycol dimethacrylate, triethylene glycol diisooctanoate, succinimide, bissuccinimide, boronated succinimide, and polyisobutenyl butanediamide; more preferably one or more of succinimide, pentaerythritol oleate and glycerol mono-fatty acid esters. In one embodiment provided by the invention, the dispersing agent is a mixture of succinimide and pentaerythritol oleate, and the mass ratio of the succinimide to the pentaerythritol oleate is preferably 1: (0.5-2), more preferably 1:1; in another embodiment provided by the present invention, the dispersant is a monoglyceride; in other embodiments provided by the invention, the dispersant is a mixture of glycerin fatty acid ester and succinimide, and the mass ratio of glycerin fatty acid ester to succinimide is preferably 1: (0.5-2), more preferably 1:1.
In the asphalt improver provided by the invention, the content of the dispersing agent in the asphalt improver is 20-65 wt%, specifically 20wt%, 21wt%, 22wt%, 23wt%, 24wt%, 25wt%, 26wt%, 27wt%, 28wt%, 29wt%, 30wt%, 31wt%, 32wt%, 33wt%, 34wt%, 35wt%, 36wt%, 37wt%, 38wt%, 39wt%, 40wt%, 41wt%, 42wt%, 43wt%, 44wt%, 45wt%, 46wt%, 47wt%, 48wt%, 49wt%, 50wt%, 51wt%, 52wt%, 53wt%, 54wt%, 55wt%, 56wt%, 57wt%, 58wt%, 59wt%, 60wt%, 61wt%, 62wt%, 63wt%, 64wt% or 65wt%.
In the asphalt improver provided by the invention, the antioxidant preferably comprises one or more of pentaerythritol dioctadecyl phosphite (trade name: antioxidant 618), 2, 6-di-tert-butyl-4-methylphenol (trade name: antioxidant 264), octadecyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (trade name: antioxidant 1076), pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (trade name: antioxidant 1010), 1,3, 5-trimethyl-2, 4, 6-tris (3, 5-tert-butyl-4-hydroxybenzyl) benzene (trade name: antioxidant 330) and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid (trade name: antioxidant 3114), more preferably comprises antioxidant 1010 and/or antioxidant 618, and the mass ratio of the antioxidant 1010 to the antioxidant 618 is preferably 1: (0.5-2), more preferably 1:1.
In the asphalt improver provided by the invention, the content of the antioxidant in the asphalt improver is 15-40 wt%, specifically 15wt%, 16wt%, 17wt%, 18wt%, 19wt%, 20wt%, 21wt%, 22wt%, 23wt%, 24wt%, 25wt%, 26wt%, 27wt%, 28wt%, 29wt%, 30wt%, 31wt%, 32wt%, 33wt%, 34wt%, 35wt%, 36wt%, 37wt%, 38wt%, 39wt% or 40wt%.
In the asphalt improver provided by the invention, the odor reactant comprises one or more of limonene, terpinene, isopulegol, phellandrene, alpha-terpinene, pinene, abietyl alcohol, myrtenol, verbenol, citral, citronellal, hydroxycitronellal, phellandrene, perillaldehyde, menthone, carvone, dihydrocarvone, piperonyl, camphor, methylnonenal, isopentenyl aldehyde, methylpentyl cinnamaldehyde, ethylcinnal, alpha-hexyl cinnamaldehyde, 9-decenal, 2-tridecenal and hexadecenal, preferably comprises a plurality of limonene, terpinene, citral, citronellal, alpha-hexyl cinnamaldehyde and hexadecenal. In one embodiment provided by the invention, the odor reactant is a mixture of limonene, terpinene and alpha-hexyl cinnamaldehyde, wherein the content of the limonene in the mixture is preferably 10-50 wt%, more preferably 25wt%, the content of the terpinene in the mixture is preferably 10-50 wt%, more preferably 25wt%, and the content of the alpha-hexyl cinnamaldehyde in the mixture is preferably 30-70 wt%, more preferably 50wt%; in another embodiment provided by the invention, the odor reactant is a mixture of citral, citronellal and hexadecenal, wherein the content of citral in the mixture is preferably 10 to 50wt%, more preferably 30wt%, the content of citronellal in the mixture is preferably 10 to 50wt%, more preferably 35wt%, and the content of hexadecenal in the mixture is preferably 10 to 50wt%, more preferably 35wt%; in other embodiments provided by the present invention, the odor reactant is a mixture of α -hexyl cinnamaldehyde and hexadecene aldehyde, and the mass ratio of α -hexyl cinnamaldehyde to hexadecene aldehyde is preferably 1: (0.5-2), more preferably 1:1.
In the asphalt improver provided by the invention, the content of the odor reactant in the asphalt improver is 15-40 wt%, specifically 15wt%, 16wt%, 17wt%, 18wt%, 19wt%, 20wt%, 21wt%, 22wt%, 23wt%, 24wt%, 25wt%, 26wt%, 27wt%, 28wt%, 29wt%, 30wt%, 31wt%, 32wt%, 33wt%, 34wt%, 35wt%, 36wt%, 37wt%, 38wt%, 39wt% or 40wt%.
The invention also provides a preparation method of the environment-friendly asphalt improver, which comprises the following steps:
and heating and mixing the dispersing agent, the antioxidant and the odor reactant to obtain the environment-friendly asphalt improver.
In the preparation method provided by the invention, the dispersing agent, the antioxidant and the odor reactant are directly heated and uniformly mixed in proportion, so that the environment-friendly asphalt improver provided by the invention can be obtained. Wherein the temperature of the heating and mixing is preferably 110-150 ℃, and can be specifically 110 ℃, 115 ℃, 120 ℃, 125 ℃, 130 ℃, 135 ℃, 140 ℃, 145 ℃ or 150 ℃; the rotation speed of the heating and mixing is preferably 100-500 rpm, and can be specifically 100 rpm, 150 rpm, 200 rpm, 250 rpm, 300 rpm, 350 rpm, 400 rpm, 450 rpm or 500 rpm; the time for the heating and mixing is preferably 20 to 90 minutes, and specifically may be 20 minutes, 25 minutes, 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes, 60 minutes, 65 minutes, 70 minutes, 75 minutes, 80 minutes, 85 minutes, or 90 minutes. In the present invention, the process of heating and mixing preferably includes: heating and stirring the dispersant, adding the antioxidant and the odor reactant, and continuously stirring to obtain the environment-friendly asphalt improver.
According to the invention, through the optimized design of the component composition of the asphalt modifier, the asphalt modifier capable of obviously improving the environmental protection of asphalt is obtained, the ageing resistance of asphalt in the mixing and construction processes can be obviously improved, and the emission of harmful pollutants is obviously reduced. Experimental results show that after the asphalt modifier provided by the invention is added in the asphalt mixing and construction process, the mass loss of TFOT ageing residual substances of asphalt is obviously reduced, and the contents of hydrogen sulfide, sulfur dioxide, nitride and VOCs in asphalt smoke are obviously reduced.
The invention also provides environment-friendly asphalt, which comprises the environment-friendly asphalt modifier and base asphalt.
The environment-friendly asphalt provided by the invention comprises the environment-friendly asphalt modifier and base asphalt. Wherein the base asphalt includes, but is not limited to, a normal base asphalt or a modified asphalt; the mass ratio of the environment-friendly asphalt improver to the base asphalt is preferably (0.01-0.1): 100, may be specifically 0.01:100, 0.015:100, 0.02:100, 0.025:100, 0.03:100, 0.035:100, 0.04:100, 0.045:100, 0.05:100, 0.055:100, 0.06:100, 0.065:100, 0.07:100, 0.075:100, 0.08:100, 0.085:100, 0.09:100, 0.095:100, or 0.1:100.
The preparation method of the environment-friendly asphalt is not particularly limited, and the environment-friendly asphalt modifier is preferably added into the preheated base asphalt to be uniformly mixed. Wherein the preheating temperature is preferably 120-160 ℃, and can be specifically 120 ℃, 125 ℃, 130 ℃, 135 ℃, 140 ℃, 145 ℃, 150 ℃, 155 ℃ or 160 ℃; the rotation speed of the mixing is preferably 100-500 rpm, and can be specifically 100 rpm, 150 rpm, 200 rpm, 250 rpm, 300 rpm, 350 rpm, 400 rpm, 450 rpm or 500 rpm; the mixing time is preferably 20 to 60 minutes, and may be specifically 20 minutes, 25 minutes, 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes or 60 minutes.
The asphalt modifier provided by the invention is added into the environment-friendly asphalt, has good ageing resistance in the mixing and construction processes, and has less emission of harmful pollutants.
For clarity, the following examples are provided in detail.
Example 1
An environment-friendly asphalt improver consists of the following raw materials: 45wt% of dispersing agent, 20wt% of antioxidant and 35wt% of odor reactant.
The dispersant consisted of 50wt% succinimide with 50wt% pentaerythritol oleate.
The antioxidant is a commercially available antioxidant 1010.
The odor reactant is alpha-hexyl cinnamaldehyde.
The preparation method of the environment-friendly asphalt improver comprises the following steps: adding pentaerythritol oleate and succinimide into a blending kettle, heating to 130 ℃, and stirring for 30 minutes at 300 rpm; adding antioxidant 1010 and alpha-hexyl cinnamaldehyde, and stirring for 30 minutes at 300 revolutions per minute to obtain the environment-friendly asphalt improver.
Example 2
An environment-friendly asphalt improver consists of the following raw materials: 45wt% of dispersing agent, 20wt% of antioxidant and 35wt% of odor reactant.
The dispersant consisted of 50wt% succinimide with 50wt% pentaerythritol oleate.
The antioxidant is a commercially available antioxidant 1010.
The odor reactant is limonene.
The preparation method of the environment-friendly asphalt improver comprises the following steps: adding pentaerythritol oleate and succinimide into a blending kettle, heating to 130 ℃, and stirring for 30 minutes at 300 rpm; adding antioxidant 1010 and limonene, stirring for 30 minutes at 300 rpm to obtain the environment-friendly asphalt improver.
Example 3
An environment-friendly asphalt improver consists of the following raw materials: 45wt% of dispersing agent, 20wt% of antioxidant and 35wt% of odor reactant.
The dispersant consisted of 50wt% succinimide with 50wt% pentaerythritol oleate.
The antioxidant is a commercially available antioxidant 1010.
The odor reactant consisted of 50wt% alpha-hexyl cinnamaldehyde, 25wt% limonene, and 25wt% terpinene.
The preparation method of the environment-friendly asphalt improver comprises the following steps: adding pentaerythritol oleate and succinimide into a blending kettle, heating to 130 ℃, and stirring for 30 minutes at 300 rpm; adding antioxidant 1010, alpha-hexyl cinnamaldehyde, limonene and terpinene, and stirring for 30 minutes at 300 revolutions per minute to obtain the environment-friendly asphalt improver.
Example 4
An environment-friendly asphalt improver consists of the following raw materials: 40wt% of dispersing agent, 35wt% of antioxidant and 25wt% of odor reactant.
The dispersing agent is glycerin fatty acid ester.
The antioxidant consists of 50wt% of antioxidant 618 and 50wt% of antioxidant 1010.
The odor reactant consisted of 30wt% citral, 35wt% citronellal, and 35wt% hexadecenal.
The preparation method of the environment-friendly asphalt improver comprises the following steps: adding the glycerin fatty acid ester into a blending kettle, heating to 130 ℃, adding the antioxidant 1010, the antioxidant 618, the citral, the citronellal and the hexadecene aldehyde, and stirring for 30 minutes at 300 rpm to obtain the environment-friendly asphalt modifier.
Example 5
An environment-friendly asphalt improver consists of the following raw materials: 30wt% of dispersing agent, 35wt% of antioxidant and 35wt% of odor reactant.
The dispersant consisted of 50wt% succinimide with 50wt% pentaerythritol oleate.
The antioxidant consists of 50wt% of antioxidant 618 and 50wt% of antioxidant 1010.
The odor reactant consisted of 30wt% citral, 35wt% citronellal, and 35wt% hexadecenal.
The preparation method of the environment-friendly asphalt improver comprises the following steps: adding pentaerythritol oleate and succinimide into a blending kettle, heating to 130 ℃, stirring for 30 minutes at 300 rpm, adding antioxidant 1010, antioxidant 618, citral, citronellal and hexadecenal, and stirring for 30 minutes at 300 rpm to obtain the environment-friendly asphalt modifier.
Example 6
An environment-friendly asphalt improver consists of the following raw materials: 30wt% of dispersing agent, 35wt% of antioxidant and 35wt% of odor reactant.
The dispersant consisted of 50wt% monoglyceride and 50wt% succinimide.
The antioxidant consists of 50wt% of antioxidant 618 and 50wt% of antioxidant 1010.
The odor reactant consisted of 50wt% alpha-hexyl cinnamaldehyde and 50wt% hexadecene aldehyde.
The preparation method of the environment-friendly asphalt improver comprises the following steps: adding glycerin fatty acid ester and succinimide into a blending kettle, heating to 130 ℃, stirring for 30 minutes at 300 rpm, adding antioxidant 1010, antioxidant 618, hexyl cinnamaldehyde and hexadecene aldehyde, and stirring for 30 minutes at 300 rpm to obtain the environment-friendly asphalt improver.
Evaluation of Performance
The environment-friendly asphalt improvers prepared in examples 1 to 5 were added to asphalt preheated to 140 c, respectively, wherein the environment-friendly asphalt improvers prepared in examples 1, 2 and 3 were added at 0.05wt% of the mass of asphalt, and the environment-friendly asphalt improvers prepared in examples 4, 5 and 6 were added at 0.01wt% of the mass of asphalt. After the addition of the environment-friendly asphalt modifier is finished, stirring for 30 minutes at 300 revolutions per minute, uniformly mixing, detecting asphalt indexes and asphalt smoke composition, and comparing with a blank sample under the same process, wherein the results are shown in the table 1 and the table 2:
table 1 asphalt technical index
TABLE 2 analysis of bitumen flue gas composition
| Technical index | Blank space | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Hydrogen sulfide, ppm | 160.0 | 21.6 | 28.3 | 18.7 | 41.2 | 42.1 | 40.5 |
| Sulfur dioxide, ppm | 3.6 | 1.4 | 1.6 | 1.2 | 1.7 | 2.2 | 2.2 |
| Nitride, ppm | 21 | 3.2 | 4.1 | 2.7 | 5.6 | 7.2 | 5.7 |
| VOCs，ppm | 831 | 113 | 153 | 96 | 234 | 218 | 293 |
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. An environment-friendly asphalt improver comprises the following components in percentage by mass:
20-65% of dispersing agent;
15-40% of antioxidant;
15-40% of an odor reactant;
wherein the odor reactant comprises one or more of limonene, terpinene, phellandrene, alpha-terpinene, pinene, abietyl alcohol, myrtenol, verbenol, citral, citronellal, hydroxycitronellal, phellandrene, perillaldehyde, menthone, carvone, dihydrocarvone, piperonyl, camphor, methylnonenal, isopentenyl aldehyde, methylpentyl cinnamaldehyde, ethylcinnamaldehyde, alpha-hexyl cinnamaldehyde, 9-decenal, 2-tridecenal, and hexadecenal.
2. The environment-friendly asphalt improver according to claim 1, which comprises, in mass percent:
30-50% of dispersing agent;
20-35% of antioxidant;
20-40% of an odor reactant;
wherein the odor reactant includes a plurality of limonene, terpinene, citral, citronellal, alpha-hexyl cinnamaldehyde, and hexadecenal.
3. The environment-friendly asphalt improver according to claim 1 or 2, wherein the odor reactant is a mixture of limonene, terpinene and alpha-hexyl cinnamaldehyde, or a mixture of citral, citronellal and hexadecenal, or a mixture of alpha-hexyl cinnamaldehyde and hexadecenal.
Preferably, the odor reactant is a mixture of limonene, terpinene, and alpha-hexyl cinnamaldehyde.
Preferably, the content of the limonene in the mixture is 10-50 wt%, the content of the terpinene in the mixture is 10-50 wt%, and the content of the alpha-hexyl cinnamaldehyde in the mixture is 30-70 wt%.
Preferably, the content of the limonene in the mixture is 20-40 wt%, the content of the terpinene in the mixture is 20-40 wt%, and the content of the alpha-hexyl cinnamaldehyde in the mixture is 40-60 wt%.
Preferably, the content of the limonene in the mixture is 25wt%, the content of the terpinene in the mixture is 25wt%, and the content of the alpha-hexyl cinnamaldehyde in the mixture is 50wt%.
4. An environmentally friendly asphalt modifier according to any one of claims 1 to 3, wherein the dispersant comprises one or more of ethylene glycol butyl ether acetate, diethylene glycol butyl ether acetate, pentaerythritol tetraisooctanoate, pentaerythritol benzoate, pentaerythritol isononanoate, pentaerythritol triacrylate, pentaerythritol tetraisostearate, pentaerythritol tetraacrylate, rosin glycerol ester, rosin pentaerythritol ester, pentaerythritol oleate, pentaerythritol tetramyristate, neopentyl glycol dioleate, glycerol monofatty acid ester, ethylene glycol oleate, glycerol mono-octadecanoate, ethylene glycol dimethacrylate, triethylene glycol diisooctanoate, succinimide, bissuccinimide, boronated succinimide, and polyisobutenyl butanediamide.
5. The environmentally friendly asphalt modifier of claim 4 wherein said dispersant comprises one or more of succinimide, pentaerythritol oleate, and glycerol mono-fatty acid ester.
Preferably, the dispersant is selected from two of succinimide and pentaerythritol oleate.
Preferably, the dispersing agent comprises the following components in percentage by mass: 40 to 60 weight percent of succinimide and 40 to 60 weight percent of pentaerythritol oleate.
Preferably, the dispersing agent comprises the following components in percentage by mass: 50wt% of succinimide and 50wt% of pentaerythritol oleate.
6. The environment-friendly asphalt improver according to any one of claims 1 to 5, wherein the antioxidant comprises one or more of pentaerythritol dioctadecyl phosphite, 2, 6-di-tert-butyl-4-methylphenol, octadecyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1,3, 5-trimethyl-2, 4, 6-tris (3, 5-tert-butyl-4-hydroxybenzyl) benzene and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid.
7. The environment-friendly asphalt modifier according to claim 6, wherein the antioxidant comprises pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and/or distearyl pentaerythritol diphosphite.
8. A method of preparing the environment-friendly asphalt improver of any one of claims 1 to 7, comprising the steps of:
and heating and mixing the dispersing agent, the antioxidant and the odor reactant to obtain the environment-friendly asphalt improver.
9. An environmentally friendly asphalt comprising the environmentally friendly asphalt improver of any one of claims 1 to 7 and a base asphalt.
10. The environment-friendly asphalt according to claim 9, wherein the mass ratio of the environment-friendly asphalt improver to the base asphalt is (0.01 to 0.1): 100.
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| JP4762687B2 (en) * | 2005-11-15 | 2011-08-31 | 田島ルーフィング株式会社 | A deodorizing composition for dissolved asphalt and a method for reducing the odor of dissolved asphalt using the composition. |
| EP1842565A1 (en) * | 2006-04-05 | 2007-10-10 | The Procter & Gamble Company | Absorbent articles including odour control system |
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