CN114409301A - Pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier - Google Patents
Pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier Download PDFInfo
- Publication number
- CN114409301A CN114409301A CN202210078935.6A CN202210078935A CN114409301A CN 114409301 A CN114409301 A CN 114409301A CN 202210078935 A CN202210078935 A CN 202210078935A CN 114409301 A CN114409301 A CN 114409301A
- Authority
- CN
- China
- Prior art keywords
- parts
- mixture
- asphalt
- ductility
- asphalt mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 91
- 239000000203 mixture Substances 0.000 title claims abstract description 82
- 239000003607 modifier Substances 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 53
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000284 extract Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- MGSRCZKZVOBKFT-UHFFFAOYSA-N thymol Chemical compound CC(C)C1=CC=C(C)C=C1O MGSRCZKZVOBKFT-UHFFFAOYSA-N 0.000 claims abstract description 18
- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 claims abstract description 16
- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 16
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims abstract description 14
- 230000008929 regeneration Effects 0.000 claims abstract description 14
- 238000011069 regeneration method Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- LZDOYVMSNJBLIM-UHFFFAOYSA-N 4-tert-butylphenol;formaldehyde Chemical compound O=C.CC(C)(C)C1=CC=C(O)C=C1 LZDOYVMSNJBLIM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920001577 copolymer Polymers 0.000 claims abstract description 11
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims abstract description 9
- 240000001548 Camellia japonica Species 0.000 claims abstract description 9
- 239000005844 Thymol Substances 0.000 claims abstract description 9
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000018597 common camellia Nutrition 0.000 claims abstract description 9
- 239000001630 malic acid Substances 0.000 claims abstract description 9
- 235000011090 malic acid Nutrition 0.000 claims abstract description 9
- 229940105902 mint extract Drugs 0.000 claims abstract description 9
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229960003415 propylparaben Drugs 0.000 claims abstract description 9
- 229960000790 thymol Drugs 0.000 claims abstract description 9
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 claims abstract description 7
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 claims abstract description 7
- 229960002216 methylparaben Drugs 0.000 claims abstract description 7
- 239000004405 propyl p-hydroxybenzoate Substances 0.000 claims abstract description 7
- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 claims abstract description 7
- 240000005001 Paeonia suffruticosa Species 0.000 claims abstract description 4
- 235000003889 Paeonia suffruticosa Nutrition 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 17
- 229920001684 low density polyethylene Polymers 0.000 claims description 10
- 239000004702 low-density polyethylene Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002440 industrial waste Substances 0.000 claims description 6
- 239000010705 motor oil Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 229920006039 crystalline polyamide Polymers 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004332 deodorization Methods 0.000 abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 244000272264 Saussurea lappa Species 0.000 abstract 1
- 235000006784 Saussurea lappa Nutrition 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 235000019645 odor Nutrition 0.000 description 22
- 239000002699 waste material Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 235000002598 Inula helenium Nutrition 0.000 description 2
- 244000116484 Inula helenium Species 0.000 description 2
- -1 chloropropyl Chemical group 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000192700 Cyanobacteria Species 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920006345 thermoplastic polyamide Polymers 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2092—Resistance against biological degradation
Abstract
The invention discloses a pure natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier, which comprises the following components in percentage by weight: 58 parts of thermoplastic elastomer material, 30 parts of polyvinyl butyral (PVB), 2 parts of p-tert-butylphenol formaldehyde resin, 2 parts of chloropropane resin ethylene-propylene copolymer, 5 parts of high-molecular organic wax, 3 parts of asphalt regeneration material, 3-7 parts of citric acid, 3-7 parts of malic acid, 4-8 parts of thymol, 16-22 parts of tree peony bark extract, 20-27 parts of mint extract, 14-19 parts of costus root extract, 12-17 parts of camellia extract, 1-6 parts of methyl paraben, 1-5 parts of propyl paraben and 88-97 parts of water, the technical scheme of the product is simple and reliable to operate, and the product selects pure natural materials as a base, can effectively remove odor at the drainage port of asphalt material and road surface, absorbs peculiar smell gas in the atmosphere to a certain degree, and performs deodorization, disinfection and bacteriostasis on public places, is favorable for traffic environment and ecological environment protection.
Description
Technical Field
The invention relates to the technical field of road pavement, in particular to a pure natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier.
Background
The ultrathin overlay is a functional overlay with the paving thickness of less than 25mm, is suitable for preventing or repairing diseases of various grades of roads, needs to improve the service performance such as skid resistance and the like, and has structural strength meeting the use requirement of the asphalt pavement. Asphalt pavement is an important pavement form in the construction of highways and urban roads. The ultrathin overlay asphalt mixture is mainly used for preventive maintenance of roads and urban asphalt pavements and corrective maintenance of slight diseases, can also be used as a surface wearing layer of a newly-built road, has the characteristics of skid resistance, noise reduction, wear resistance, environmental protection and the like, and can effectively improve the pavement evenness and improve the road running conditions. In order to improve the high ductility and elastic effect of the ultrathin overlay, part of students propose to add a high ductility and elasticity ultrathin overlay asphalt mixture modifier into a common hot-mix modified asphalt mixture.
However, in reality, the asphalt material has odor, and the road surface drainage port also has odor due to sewage, which seriously affects the health and traffic environment. Therefore, in order to alleviate the problem and absorb peculiar smell in the atmosphere to regulate ecological pollution, the invention of the pure natural odor-removing high-ductility ultra-thin overlay asphalt mixture modifier is urgently needed.
Disclosure of Invention
The invention aims to provide a pure natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier, which is based on pure natural materials, can remove peculiar smell at an ultrathin overlay asphalt and a road surface drainage port, has lasting fragrance, and can sterilize, disinfect and remove odor of air in a public environment.
The purpose of the invention can be realized by the following technical scheme:
a pure natural odor-removing high-ductility ultra-thin overlay asphalt mixture modifier is prepared by the following steps:
the method comprises the following steps: heating a thermoplastic elastomer material to 155-165 ℃, adding the polyvinyl butyral, and reacting for 20-60 min under stirring at a rotation speed of 200-400 r/min to obtain a mixture A;
step two: adding p-tert-butylphenol formaldehyde resin, chloropropane resin ethylene-propylene copolymer and high molecular organic wax into the mixture A, raising the temperature to 175-185 ℃, and shearing at a shearing rate of 3000-6000 rpm for 30-60 min to obtain a mixture B;
step three: adding an asphalt regeneration material into the mixture B at 175-185 ℃, and stirring and reacting for 150-360 min at a rotating speed of 100-250 rpm until the material is uniform and has no particles to obtain a mixture C;
step four: and adding the natural mixed material into the mixture C, completely mixing, standing for 35-45 min, filtering out insoluble substances in the mixed solution, and adding into the mixture C to obtain the modifier.
As a further scheme of the invention: and in the fourth step, insoluble substances in the mixed solution are filtered before the natural mixed material is added into the mixture C.
As a further scheme of the invention: the preparation of the natural mixture comprises the following steps:
s1: putting water, citric acid and malic acid into a liquid mixer, and stirring for 8-13 min;
s2: sequentially putting the thymol and the moutan bark extract liquid into a liquid mixer, and stirring for 16-21 min;
s3: and finally, adding the mint extract, the costustoot extract, the camellia extract, the methyl paraben and the propyl paraben into a liquid mixer, continuously stirring for 17-22 min, and completely mixing to obtain the natural mixture.
As a further scheme of the invention: the thermoplastic elastomer material is a block copolymer consisting of a high-melting-point crystalline polyamide hard segment and an amorphous polyether or polyester soft segment.
As a further scheme of the invention: the asphalt regeneration material is prepared by mixing low-density polyethylene, asphaltene and industrial waste engine oil according to the mass ratio of 1:1: 8;
wherein the low density polyethylene has a molecular weight of 8000 to 12000.
As a further scheme of the invention: the pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier comprises the following components in parts by weight: 58 parts of thermoplastic elastomer material, 30 parts of polyvinyl butyral, 2 parts of p-tert-butylphenol formaldehyde resin, 2 parts of chloropropane resin ethylene-propylene copolymer, 5 parts of high-molecular organic wax, 3 parts of asphalt regeneration material, 3-7 parts of citric acid, 3-7 parts of malic acid, 4-8 parts of thymol, 16-22 parts of tree peony bark extract, 20-27 parts of mint extract, 14-19 parts of costustoot extract, 12-17 parts of camellia extract, 1-6 parts of methyl hydroxybenzoate, 1-5 parts of propyl hydroxybenzoate and 88-97 parts of water.
As a further scheme of the invention: adding the pure natural odor-removing high-ductility elasticity ultrathin overlay asphalt mixture modifier into the asphalt mixture for fully mixing to obtain an asphalt mixture finished product, wherein the pure natural odor-removing high-ductility elasticity ultrathin overlay asphalt mixture modifier accounts for 6.0-9.0% of the dosage of the asphalt mixture.
The invention has the beneficial effects that: the technical scheme of the invention has simple and reliable operation and lower cost, and can effectively remove the odor at the drainage port of the asphalt material and the road surface, absorb the odor gas in the atmosphere to a certain extent, deodorize, disinfect and inhibit bacteria in public places on the basis of selecting pure natural materials, thereby being beneficial to body health, traffic environment and ecological environmental protection;
the asphalt regeneration material is a hydrocarbon which can improve the physical and chemical properties of the binder and is added into asphalt, has the capability of adjusting the viscosity of old asphalt so as to achieve the viscosity required by the asphalt mixture, softens the old asphalt mixture which is too brittle and hard, fully disperses the old asphalt mixture under the action of machinery and heating so as to be uniformly mixed with new asphalt and new aggregate, ensures that a cementing material has enough adhesiveness, can permeate into the old asphalt mixture, fully blends with the old asphalt, redissolves and disperses the asphalt which is agglomerated after aging, and adjusts the asphalt colloid structure so as to achieve the purpose of improving the rheological property of the asphalt.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention relates to a pure natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier, which comprises the following components in parts by weight: 58 parts of thermoplastic elastomer material, 30 parts of polyvinyl butyral, 2 parts of p-tert-butylphenol formaldehyde resin, 2 parts of chloropropane resin ethylene-propylene copolymer, 5 parts of high-molecular organic wax, 3 parts of asphalt regeneration material, 3 parts of citric acid, 3 parts of malic acid, 4 parts of thymol, 16 parts of moutan bark extract liquid, 20 parts of mint extract liquid, 14 parts of elecampane extract liquid, 12 parts of camellia extract liquid, 6 parts of methyl paraben, 5 parts of propyl paraben and 97 parts of water;
the pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier is prepared by the following steps:
the method comprises the following steps: heating a thermoplastic elastomer material to 155-165 ℃, adding the polyvinyl butyral, and reacting for 20-60 min under stirring at a rotation speed of 200-400 r/min to obtain a mixture A;
the thermoplastic elastomer material is a polyamide thermoplastic elastomer (TPAE), and a block copolymer consisting of a high-melting-point crystalline polyamide hard segment and an amorphous polyether or polyester soft segment has good mechanical property and elasticity, and excellent wear resistance and flexibility, and is a thermoplastic elastomer suitable for being used at high temperature;
the thermoplastic elastomer material has the elasticity of rubber at normal temperature;
polyvinyl butyral is a product obtained by condensing polyvinyl alcohol and butyraldehyde under the catalysis of acid, and PVB molecules contain longer branched chains, so that the PVB has good flexibility, low vitrification temperature, very high tensile strength and impact strength, excellent transparency, good solubility, good light resistance, water resistance, heat resistance, cold resistance and film forming property;
step two: adding p-tert-butylphenol formaldehyde resin, chloropropane resin ethylene-propylene copolymer and high molecular organic wax into the mixture A, raising the temperature of the mixture A to 175-185 ℃, and shearing at a shearing rate of 3000-6000 rpm for 30-60 min to obtain a mixture B;
wherein, the p-tert-butylphenol formaldehyde resin is oil-soluble phenolic resin prepared by the polycondensation of formaldehyde and p-tert-butylphenol, and is one of pure phenolic resin;
the chloropropane resin ethylene-propylene copolymer has the properties of high impact resistance, toughening grade, weather resistance and aging resistance;
the high molecular organic wax can improve the construction workability of the asphalt mixture;
step three: adding an asphalt regeneration material into the mixture B at 175-185 ℃, and stirring and reacting for 150-360 min at a rotating speed of 100-250 rpm until the material is uniform and has no particles to obtain a mixture C;
the asphalt regeneration material is prepared by mixing low-density polyethylene, asphaltene and industrial waste engine oil, wherein the mass ratio of the low-density polyethylene to the asphaltene to the industrial waste engine oil is 1:1:8, and the molecular weight of the low-density polyethylene is 8000-12000;
low-density polyethylene, asphaltene and industrial waste engine oil can be extracted from hydrocarbon extracted from waste materials, the low-density polyethylene is extracted from waste plastics, the asphaltene is separated from rock asphalt with the purity of 99% by a melt extraction method, and the industrial waste engine oil is extracted from waste oil, so that the low-density polyethylene has the capability of adjusting the viscosity of the waste asphalt to achieve the viscosity required by asphalt mixture, soften the old asphalt mixture which is too brittle and hard, fully disperse under the action of machinery and heating so as to be uniformly mixed with new asphalt and new aggregate, and ensure that the cementing material has enough adhesiveness; meanwhile, the asphalt is infiltrated into the old mixture and fully mixed with the old asphalt, the asphalt which is agglomerated after aging is dissolved and dispersed again, and the asphalt colloid structure is adjusted, so that the aim of improving the rheological property of the asphalt is fulfilled;
step four: adding the natural mixed material into the mixture C, completely mixing, standing for 35-45 min, filtering out insoluble substances in the mixed solution, and adding into the mixture C to obtain the modifier;
the preparation of the natural mixed material comprises the following steps:
s1: putting water, citric acid and malic acid into a liquid mixer, and stirring for 8-13 min;
s2: sequentially putting the thymol and the moutan bark extract liquid into a liquid mixer, and stirring for 16-21 min;
s3: finally, adding mint extract, costustoot extract, camellia extract, methyl paraben and propyl paraben into a liquid mixer, continuously stirring for 17-22 min, and completely mixing to obtain the natural mixture;
since the odor is generally alkaline, acidic raw materials (citric acid and malic acid) are added to absorb the odor in the asphalt material; sterilizing the asphalt material by methyl paraben and propyl paraben; the odor of the asphalt material is neutralized by the fragrance of the thymol, the tree peony bark extract, the mint extract, the costustoot extract and the camellia extract, so that the natural deodorization, sterilization and fragrance emission can be comprehensively realized.
Example 2
The embodiment of the embodiment is basically the same as that of the embodiment 1, except that the pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier comprises the following components in parts by weight: 58 parts of thermoplastic elastomer material, 30 parts of polyvinyl butyral, 2 parts of p-tert-butylphenol formaldehyde resin, 2 parts of chloropropane resin ethylene-propylene copolymer, 5 parts of high-molecular organic wax, 3 parts of asphalt regeneration material, 7 parts of citric acid, 7 parts of malic acid, 8 parts of thymol, 22 parts of moutan bark extract liquid, 27 parts of mint extract liquid, 19 parts of elecampane extract liquid, 17 parts of camellia extract liquid, 1 part of methyl paraben, 1 part of propyl paraben and 88 parts of water.
Example 3
The embodiment of the embodiment is basically consistent with that of the embodiment 1, except that the multifunctional thin-layer modifier of the high-ductility and elastic ultrathin overlay asphalt mixture comprises the following components in parts by weight: 58 parts of thermoplastic elastomer material, 30 parts of polyvinyl butyral, 4 parts of p-tert-butylphenol formaldehyde resin, 4 parts of chloropropyl resin ethylene-propylene copolymer, 8 parts of high molecular organic wax and 5 parts of asphalt regeneration material.
Comparative example 1
A pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier is prepared from the following raw materials in parts by weight: 58 parts of thermoplastic elastomer material, 30 parts of polyvinyl butyral, 2 parts of p-tert-butylphenol formaldehyde resin, 2 parts of chloropropyl resin ethylene-propylene copolymer, 5 parts of high molecular organic wax, 3 parts of asphalt regeneration material and 100 parts of water.
The deodorizing materials obtained in examples 1 to 2 and comparative example 1 were deodorized using cyanobacteria algae sludge as an odor sourceAnd (6) testing. The experimental method comprises the following steps: putting the deodorizing material into a purifier, and covering the whole purifier with a plastic bag; then at 30m2Putting a certain amount of odor source substances into a test laboratory, heating for 3 minutes to rapidly emit odor, closing a heater, simultaneously starting a stirring fan to stir for 5 minutes, detecting the initial odor grade, removing a plastic bag on a purifier, starting the purification fan and starting timing, and detecting the odor grade after 60 minutes.
Odor grade standard
Level 0: without bad smell
Level 1: can slightly feel extremely weak odor with or without the odor
And 2, stage: the odor can be distinguished from the taste, for example, sour or burnt taste can be barely smelled
And 3, level: can obviously smell odor, such as clear boiled water in hospitals
4, level: strong smelly odors, e.g. from poorly managed toilets
And 5, stage: the strong foul gas can cause nausea, vomiting and headache, and further can cause strong smell of trachitis.
Experiments show that the initial odor grade is 5, after 60 minutes of treatment, the grade of examples 1-2 is 2, and the grade of comparative example 1 is 4, which shows that the material has good deodorization effect.
The asphalt mixture consists of common asphalt, coarse aggregate, fine aggregate and mineral powder, and meets the relevant regulation of CJJ1-2008 of urban road engineering construction and quality acceptance Specifications;
the pure natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier in the embodiment 1 is added into the asphalt mixture to be fully mixed to obtain an asphalt mixture finished product, wherein the pure natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier is 6.0-9.0% of the dosage of the asphalt mixture, the specific addition amount is determined according to the index requirements of table 1, and the asphalt mixture gradation generally meets the requirements of table 2:
TABLE 1 modifier index requirements
TABLE 2 grading requirements
In conclusion, the asphalt mixture compounded by the pure natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier can greatly improve the self-bonding capability of the mixture and is not easy to disperse and peel off; meanwhile, the high-temperature performance, the adhesion performance and the water damage resistance of the asphalt mixture are obviously improved, especially, the odor at the drainage port of the asphalt material and the pavement can be effectively removed, the odor in the atmosphere can be absorbed to a certain degree, and the deodorization, the disinfection and the bacteriostasis are carried out on public places, thereby being beneficial to the health, the traffic environment and the ecological environmental protection.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. A pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier is characterized by being prepared by the following steps:
the method comprises the following steps: heating a thermoplastic elastomer material to 155-165 ℃, adding polyvinyl butyral, and reacting for 20-60 min under stirring at a rotation speed of 200-400 r/min to obtain a mixture A;
step two: adding p-tert-butylphenol formaldehyde resin, chloropropane resin ethylene-propylene copolymer and high molecular organic wax into the mixture A, raising the temperature to 175-185 ℃, and shearing at a shearing rate of 3000-6000 rpm for 30-60 min to obtain a mixture B;
step three: adding an asphalt regeneration material into the mixture B at 175-185 ℃, and stirring and reacting for 150-360 min at a rotating speed of 100-250 rpm until the material is uniform and has no particles to obtain a mixture C;
step four: and adding the natural mixed material into the mixture C, completely mixing, standing for 35-45 min, filtering out insoluble substances in the mixed solution, and adding into the mixture C to obtain the modifier.
2. The all-natural odor-removing high-ductility ultra-thin overlay asphalt mixture modifier as claimed in claim 1, wherein insoluble substances in the mixed solution are filtered before the natural mixed materials are added into the mixture C in the fourth step.
3. The all-natural odor-removing high-ductility ultra-thin overlay asphalt mixture modifier as claimed in claim 2, wherein the preparation of the natural mixture comprises the following steps:
s1: putting water, citric acid and malic acid into a liquid mixer, and stirring for 8-13 min;
s2: sequentially putting the thymol and the moutan bark extract liquid into a liquid mixer, and stirring for 16-21 min;
s3: and finally, adding the mint extract, the costustoot extract, the camellia extract, the methyl paraben and the propyl paraben into a liquid mixer, continuously stirring for 17-22 min, and completely mixing to obtain the natural mixed material.
4. The all-natural odor-removing high-ductility elastic ultrathin overlay asphalt mixture modifier as claimed in claim 1, wherein the thermoplastic elastomer material is a block copolymer composed of a high-melting-point crystalline polyamide hard segment and a non-crystalline polyether or polyester soft segment.
5. The pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier as claimed in claim 1, wherein the asphalt regeneration material is prepared by mixing low-density polyethylene, asphaltene and industrial waste engine oil according to a mass ratio of 1:1: 8;
wherein the low density polyethylene has a molecular weight of 8000 to 12000.
6. The pure natural odor-removing high-ductility and ultra-thin overlay asphalt mixture modifier according to any one of claims 1 to 5, which is characterized by comprising the following components in parts by weight: 58 parts of thermoplastic elastomer material, 30 parts of polyvinyl butyral, 2 parts of p-tert-butylphenol formaldehyde resin, 2 parts of chloropropane resin ethylene-propylene copolymer, 5 parts of high-molecular organic wax, 3 parts of asphalt regeneration material, 3-7 parts of citric acid, 3-7 parts of malic acid, 4-8 parts of thymol, 16-22 parts of tree peony bark extract, 20-27 parts of mint extract, 14-19 parts of costustoot extract, 12-17 parts of camellia extract, 1-6 parts of methyl hydroxybenzoate, 1-5 parts of propyl hydroxybenzoate and 88-97 parts of water.
7. The pure natural odor-removing high-ductility-elasticity ultrathin covering asphalt mixture modifier as claimed in claim 6, is characterized in that the pure natural odor-removing high-ductility-elasticity ultrathin covering asphalt mixture modifier is added into an asphalt mixture and fully mixed to obtain an asphalt mixture finished product, wherein the pure natural odor-removing high-ductility-elasticity ultrathin covering asphalt mixture modifier is 6.0% -9.0% of the amount of the asphalt mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210078935.6A CN114409301A (en) | 2022-01-24 | 2022-01-24 | Pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210078935.6A CN114409301A (en) | 2022-01-24 | 2022-01-24 | Pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114409301A true CN114409301A (en) | 2022-04-29 |
Family
ID=81277768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210078935.6A Pending CN114409301A (en) | 2022-01-24 | 2022-01-24 | Pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114409301A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120204760A1 (en) * | 2011-02-15 | 2012-08-16 | Flow Polymers, Llc | Deodorized asphalt additive composition |
| CN108744003A (en) * | 2018-08-26 | 2018-11-06 | 郭烽燕 | A kind of pure natural air deodorant |
| CN111662033A (en) * | 2020-06-24 | 2020-09-15 | 河源市海川新材料科技有限公司 | Odorless high-viscosity asphalt modifier and asphalt mixture thereof |
| CN111825994A (en) * | 2020-08-06 | 2020-10-27 | 上海缤德新材料科技有限公司 | High-ductility high-elasticity modified asphalt composition and preparation method thereof |
-
2022
- 2022-01-24 CN CN202210078935.6A patent/CN114409301A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120204760A1 (en) * | 2011-02-15 | 2012-08-16 | Flow Polymers, Llc | Deodorized asphalt additive composition |
| CN108744003A (en) * | 2018-08-26 | 2018-11-06 | 郭烽燕 | A kind of pure natural air deodorant |
| CN111662033A (en) * | 2020-06-24 | 2020-09-15 | 河源市海川新材料科技有限公司 | Odorless high-viscosity asphalt modifier and asphalt mixture thereof |
| CN111825994A (en) * | 2020-08-06 | 2020-10-27 | 上海缤德新材料科技有限公司 | High-ductility high-elasticity modified asphalt composition and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11155696B2 (en) | Preparation and uses of bio-adhesives | |
| CN106574122B (en) | Bituminous binder composition and the method for making and using it | |
| EP2489701B1 (en) | Doedorized asphalt additive composition containing zinc ricinoleate | |
| CN1396213A (en) | Polymer emulsified and re-cross-linked asphalt colloid mixture and its preparing process | |
| US7700683B2 (en) | Colourable binder composition | |
| CN111662033A (en) | Odorless high-viscosity asphalt modifier and asphalt mixture thereof | |
| KR20050090336A (en) | Asphalt modifier, and asphart composition comprising the same | |
| KR101625846B1 (en) | Modified asphalt composition and asphalt roadbed for railway | |
| CN114015246B (en) | Modified asphalt composite particle and preparation thereof, modified asphalt and application thereof | |
| CN114409301A (en) | Pure natural odor-removing high-ductility ultrathin overlay asphalt mixture modifier | |
| KR102397853B1 (en) | Additive composition for asphalt concrete and manufacturing method of asphalt concrete using the same | |
| CN106147248A (en) | A kind of asphalt mixture warm-mixing additive and preparation method thereof | |
| KR100963068B1 (en) | Light Curable Asphalt Composition having Good Durability and Process for Preparing Thereof | |
| JP3742028B2 (en) | Color pavement binder composition | |
| CN106147251B (en) | A kind of warm-mixed asphalt additive and preparation method thereof | |
| CN109867971A (en) | A kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin | |
| CN112608603B (en) | Spraying type rubber asphalt with excellent adhesion performance and preparation method thereof | |
| EP2478058B1 (en) | Waterproofing asphalt top seal composition | |
| CN114477857B (en) | Bridge deck stress absorption layer material with high elastic recovery rate and preparation method thereof | |
| RU2000125874A (en) | MODIFIER FOR IMPROVEMENT OF TECHNICAL CHARACTERISTICS OF BITUMINOUS MIXTURES APPLICABLE IN ROAD COATINGS | |
| CN114163811A (en) | Multifunctional thin-layer modifier for high-ductility ultrathin overlay asphalt mixture | |
| WO2021259778A1 (en) | Biodegradable and compostable composition for use as bio-infill on artificial turf fields | |
| ES2829918T3 (en) | Superior waterproof asphalt sealing composition | |
| CN1978533A (en) | Construction-easy draining road modified asphalt, and its preparing method | |
| CN1978534A (en) | Construction-easy draining road modified asphalt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220429 |