CN109206928A - A kind of highway heat resist modification pitch and preparation method thereof - Google Patents
A kind of highway heat resist modification pitch and preparation method thereof Download PDFInfo
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- CN109206928A CN109206928A CN201811047003.5A CN201811047003A CN109206928A CN 109206928 A CN109206928 A CN 109206928A CN 201811047003 A CN201811047003 A CN 201811047003A CN 109206928 A CN109206928 A CN 109206928A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
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Abstract
The present invention provides a kind of highway heat resist modification pitch and preparation method thereof, the highway is made of with heat resist modification pitch asphalt, modifier A and modifying agent B, and the modifier A includes following raw material: epoxy resin, polyester fiber, ethylene bis stearamide, chitosan oligosaccharide, 3- piperazinopropyl methyl dimethoxysilane, n-butanol, compound ultraviolet absorbing agent, anti-aging agent；The modifying agent B includes following raw material: 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester, diisobutyl sodium naphthalene sulfonate, graphene oxide.Modified pitch proposed by the present invention, formula rationally, are easily constructed, and production cost is low, and stability is good, and bearing capacity is high, and flatness retentivity is good, and heat resistance and wear-resisting property are excellent, long service life, and maintenance load is small.
Description
Technical field
The present invention relates to chemical technology field more particularly to a kind of highway heat resist modification pitches and preparation method thereof.
Background technique
The dark brown complex mixture that pitch is made of the hydrocarbon and its non metallic derivatives of different molecular weight,
It is a kind of high viscosity organic liquid, is widely used in coatings, plastics, rubber and other industries and the pavement etc., is especially spreading
The frequency of use highest built the road in face.
For the magnitude of traffic flow, traveling frequency on highroad and road all in sharp increase, the axis of freight focuses on continuous increasing
Add, this also just proposes more stern challenge to the performance of pitch used on surfacing.Conventional asphalt temperature
Degree stability is poor, and winter easy embrittlement, summer easily softens；The retentivity of flatness is poor, and not only sedimentation deteriorates flatness, Er Qiecai
Material softening easily forms track, reduces the service life on road surface, increases the workload of pavement maintenance.Based on existing in the prior art
Deficiency, the present invention propose a kind of highway heat resist modification pitch and preparation method thereof.
Summary of the invention
That the purpose of the present invention is to solve the heat resistances of existing highway asphalt is poor, flatness retentivity is poor,
The problem that service life is short, maintenance load is big, and a kind of highway heat resist modification pitch and preparation method thereof proposed.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of highway heat resist modification pitch, is made of, the modifier A asphalt, modifier A and modifying agent B
It is the 10%~18% of oil pitch quality, the modifying agent B is the 1%~3% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 5~10 parts of epoxy resin, 3~8 parts of polyester fiber, ethylene are double
1~3 part of stearmide, 3~8 parts of chitosan oligosaccharide, 3~7 parts of 3- piperazinopropyl methyl dimethoxysilane, 5~10 parts of n-butanol,
0.2~0.4 part of compound ultraviolet absorbing agent, 0.5~2.5 part of anti-aging agent；
The modifying agent B includes the raw material of following parts by weight: 3- glycidyl ether oxypropyltriethoxysilane 10~
16 parts, 2~5 parts of sulfide aliphatic acid ester, 3~8 parts of diisobutyl sodium naphthalene sulfonate, 0.5~1.5 part of graphene oxide.
Preferably, the modifier A includes the raw material of following parts by weight: 7 parts of epoxy resin, 6 parts of polyester fiber, ethylene are double
2 parts of stearmide, 6 parts of chitosan oligosaccharide, 5 parts of 3- piperazinopropyl methyl dimethoxysilane, 7 parts of n-butanol, compound ultraviolet light are inhaled
Receive 0.3 part of agent, 1.5 parts of anti-aging agent.
Preferably, the modifying agent B includes the raw material of following parts by weight: 3- glycydoxy triethoxysilicane
13 parts of alkane, 4 parts of sulfide aliphatic acid ester, 5 parts of diisobutyl sodium naphthalene sulfonate, 1 part of graphene oxide.
Preferably, the compound ultraviolet absorbing agent is prepared by following methods: first being weighed according to mass ratio for 2:3
UV-9 and UV-531, and UV-9 and UV-531 is mixed, suitable acetone is added, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 1~2h, subtracts
Pressure concentration is dried in vacuo up to compound ultraviolet absorbing agent.
Preferably, the anti-aging agent is antioxidant 264 or antioxidant 4010.
Preferably, the modifier A is the 14% of oil pitch quality, and the modifying agent B is oil pitch quality
2%.
The invention also provides a kind of highway preparation methods of heat resist modification pitch, comprising the following steps:
S1, modifier A is prepared: according to 5~10 parts of epoxy resin, 3~8 parts of polyester fiber, ethylene bis stearamide 1~3
Part, 3~8 parts of chitosan oligosaccharide, 3~7 parts of 3- piperazinopropyl methyl dimethoxysilane, 5~10 parts of n-butanol, compound ultraviolet light are inhaled
Receive 0.2~0.4 part of agent, 0.5~2.5 part of anti-aging agent weigh each raw material of modifier A, by epoxy resin, polyester fiber and n-butanol
It is added in dispersator, temperature is controlled at 60~80 DEG C, disperses 30~60min, and ethylene bis stearamide, shell is then added
Oligosaccharides and 3- piperazinopropyl methyl dimethoxysilane continue to disperse 30min, are cooled to 40 DEG C and compound ultraviolet radiation absorption is added
Agent and anti-aging agent disperse 10min to get modifier A；
S2, modifying agent B is prepared: according to 10~16 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfurized fatty
2~5 parts of acid esters, 3~8 parts of diisobutyl sodium naphthalene sulfonate, 0.5~1.5 part of graphene oxide weigh each raw material of modifying agent B, by sulphur
Change aliphatic ester, diisobutyl sodium naphthalene sulfonate and graphene oxide and is added to 3- glycidyl ether oxypropyltriethoxysilane
In, first ultrasonic disperse 20min is transferred in blender, with the speed stirring 1h of 500~600r/min to get modifying agent B；
The preparation of S3, raw material: weighing asphalt, and weigh modifier A according to the 10%~18% of oil pitch quality,
Modifying agent B is weighed according to the 1%~3% of oil pitch quality；
The first modification of S4, asphalt: asphalt being heated and is melted, and is kept in the temperature-resistant asphalt to fusing
Modifier A is added, is stirred to react 1h to get modified mixture at the beginning of asphalt；
S5, the end of asphalt are modified: holding step S4's is temperature-resistant, at the beginning of the asphalt being prepared to step S4
The modifying agent B that is prepared of step S2 is added in modified mixture, the reaction was continued 30~40min is cooled to room temperature up to public
Road heat resist modification pitch.
Modified pitch proposed by the present invention, advantage is compared with prior art:
1, modified pitch proposed by the present invention, formula rationally, by modifier A be just modified to asphalt, then leads to
It crosses modifying agent B to be modified first modified asphalt again, the modified pitch with excellent combination property is prepared,
The heat resistance of effectively solution conventional road asphalt is poor, flatness retentivity is poor, service life is short, maintenance load is big
The problem of.
2, pass through addition epoxy resin and 3- piperazinopropyl in modifier A used in modified pitch proposed by the present invention
Methyl dimethoxysilane increase just modified asphalt cementability, improve asphalt can application property, reduce petroleum
The production cost of pitch passes through polyester fiber, ethylene bis stearamide, chitosan oligosaccharide, compound ultraviolet absorbing agent and anti-aging agent
The stability that can be improved first modified asphalt is added, effectively solves that conventional petroleum pitch is easily settled, flatness retentivity
The problem of difference.
3, modifying agent B used in modified pitch proposed by the present invention by rational proportion 3- glycydoxy
Triethoxysilane, sulfide aliphatic acid ester, diisobutyl sodium naphthalene sulfonate and graphene oxide are prepared, the addition of modifying agent B
The tolerable temperature of asphalt can be significantly improved, increases asphalt road surface bearing capacity, avoids conventional petroleum pitch winter easy
The phenomenon that embrittlement, summer easily soften, high temperature is also easy to produce track, extends the service life on road surface, reduces the maintenance load on road surface,
The use scope for expanding asphalt, is applicable not only to the Code in Hazardous Special Locations such as airport, intersection, is also applied for common public affairs
Road can satisfy the requirement of highroad and road to asphalt performance, and the experiment proved that 3- glycydoxy three
Again to first modified petroleum after Ethoxysilane, sulfide aliphatic acid ester, diisobutyl sodium naphthalene sulfonate and graphene oxide compounding
The whole modified obtained modified pitch heat resistance of pitch progress, which is better than, directly uses four effects achieved, and modifier A
It also has a certain impact to the comprehensive performance tool of asphalt with modified sequence of the modifying agent B to asphalt.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment 1
A kind of highway heat resist modification pitch proposed by the present invention, is made of asphalt, modifier A and modifying agent B,
The modifier A is the 10% of oil pitch quality, and the modifying agent B is the 1% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 5 parts of epoxy resin, 3 parts of polyester fiber, ethylene stearic bicine diester
1 part of amine, 3 parts of chitosan oligosaccharide, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, compound ultraviolet absorbing agent 0.2
Part, 0.5 part of anti-aging agent；The compound ultraviolet absorbing agent is prepared by following methods: first being weighed according to mass ratio for 2:3
UV-9 and UV-531, and UV-9 and UV-531 is mixed, suitable acetone is added, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 1h, depressurizes dense
It contracts, be dried in vacuo up to compound ultraviolet absorbing agent；The anti-aging agent is antioxidant 264；
The modifying agent B includes the raw material of following parts by weight: 10 parts of 3- glycidyl ether oxypropyltriethoxysilane,
2 parts of sulfide aliphatic acid ester, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide.
A kind of preparation method of highway heat resist modification pitch the following steps are included:
S1, modifier A is prepared: according to 5 parts of epoxy resin, 3 parts of polyester fiber, 1 part of ethylene bis stearamide, chitosan oligosaccharide 3
Part, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, 0.2 part of compound ultraviolet absorbing agent, anti-aging agent 0.5
Part weighs each raw material of modifier A, and epoxy resin, polyester fiber and n-butanol are added in dispersator, and temperature control exists
60 DEG C, disperse 60min, ethylene bis stearamide, chitosan oligosaccharide and 3- piperazinopropyl methyl dimethoxysilane is then added, after
Continuous dispersion 30min, is cooled to 40 DEG C and compound ultraviolet absorbing agent and anti-aging agent is added, and disperses 10min to get modifier A；
S2, modifying agent B is prepared: according to 10 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester 2
Part, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide weigh each raw material of modifying agent B, by sulfide aliphatic acid ester, two isobutyls
Base sodium naphthalene sulfonate and graphene oxide are added in 3- glycidyl ether oxypropyltriethoxysilane, first ultrasonic disperse
20min is transferred in blender, with the speed stirring 1h of 500r/min to get modifying agent B；
The preparation of S3, raw material: asphalt is weighed, and weighs modifier A according to the 10% of oil pitch quality, according to stone
The 1% of oil asphalt quality weighs modifying agent B；
The first modification of S4, asphalt: asphalt being heated and is melted, and is kept in the temperature-resistant asphalt to fusing
Modifier A is added, is stirred to react 1h to get modified mixture at the beginning of asphalt；
S5, the end of asphalt are modified: holding step S4's is temperature-resistant, at the beginning of the asphalt being prepared to step S4
The modifying agent B that is prepared of step S2 is added in modified mixture, the reaction was continued 30min is cooled to room temperature up to highway use
Heat resist modification pitch.
Embodiment 2
A kind of highway heat resist modification pitch proposed by the present invention, is made of asphalt, modifier A and modifying agent B,
The modifier A is the 14% of oil pitch quality, and the modifying agent B is the 2% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 7 parts of epoxy resin, 6 parts of polyester fiber, ethylene stearic bicine diester
2 parts of amine, 6 parts of chitosan oligosaccharide, 5 parts of 3- piperazinopropyl methyl dimethoxysilane, 7 parts of n-butanol, compound ultraviolet absorbing agent 0.3
Part, 1.5 parts of anti-aging agent；The compound ultraviolet absorbing agent is prepared by following methods: first being weighed according to mass ratio for 2:3
UV-9 and UV-531, and UV-9 and UV-531 is mixed, suitable acetone is added, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 1.5h, decompression
It is concentrated, is dried in vacuo up to compound ultraviolet absorbing agent；The anti-aging agent is antioxidant 4010；
The modifying agent B includes the raw material of following parts by weight: 13 parts of 3- glycidyl ether oxypropyltriethoxysilane,
4 parts of sulfide aliphatic acid ester, 5 parts of diisobutyl sodium naphthalene sulfonate, 1 part of graphene oxide.
A kind of preparation method of highway heat resist modification pitch the following steps are included:
S1, modifier A is prepared: according to 7 parts of epoxy resin, 6 parts of polyester fiber, 2 parts of ethylene bis stearamide, chitosan oligosaccharide 6
Part, 5 parts of 3- piperazinopropyl methyl dimethoxysilane, 7 parts of n-butanol, 0.3 part of compound ultraviolet absorbing agent, anti-aging agent 1.5
Part weighs each raw material of modifier A, and epoxy resin, polyester fiber and n-butanol are added in dispersator, and temperature control exists
70 DEG C, disperse 45min, ethylene bis stearamide, chitosan oligosaccharide and 3- piperazinopropyl methyl dimethoxysilane is then added, after
Continuous dispersion 30min, is cooled to 40 DEG C and compound ultraviolet absorbing agent and anti-aging agent is added, and disperses 10min to get modifier A；
S2, modifying agent B is prepared: according to 13 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester 4
Part, 5 parts of diisobutyl sodium naphthalene sulfonate, 1 part of graphene oxide weigh each raw material of modifying agent B, by sulfide aliphatic acid ester, diisobutyl
Sodium naphthalene sulfonate and graphene oxide are added in 3- glycidyl ether oxypropyltriethoxysilane, first ultrasonic disperse 20min,
It transfers in blender, with the speed stirring 1h of 550r/min to get modifying agent B；
The preparation of S3, raw material: asphalt is weighed, and weighs modifier A according to the 14% of oil pitch quality, according to stone
The 2% of oil asphalt quality weighs modifying agent B；
The first modification of S4, asphalt: asphalt being heated and is melted, and is kept in the temperature-resistant asphalt to fusing
Modifier A is added, is stirred to react 1h to get modified mixture at the beginning of asphalt；
S5, the end of asphalt are modified: holding step S4's is temperature-resistant, at the beginning of the asphalt being prepared to step S4
The modifying agent B that is prepared of step S2 is added in modified mixture, the reaction was continued 35min is cooled to room temperature up to highway use
Heat resist modification pitch.
Embodiment 3
A kind of highway heat resist modification pitch proposed by the present invention, is made of asphalt, modifier A and modifying agent B,
The modifier A is the 18% of oil pitch quality, and the modifying agent B is the 3% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 10 parts of epoxy resin, 8 parts of polyester fiber, ethylene stearic bicine diester
3 parts of amine, 8 parts of chitosan oligosaccharide, 7 parts of 3- piperazinopropyl methyl dimethoxysilane, 10 parts of n-butanol, compound ultraviolet absorbing agent
0.4 part, 2.5 parts of anti-aging agent；The compound ultraviolet absorbing agent is prepared by following methods: first being claimed according to mass ratio for 2:3
UV-9 and UV-531 are taken, and UV-9 and UV-531 is mixed, suitable acetone is added, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 2h, decompression
It is concentrated, is dried in vacuo up to compound ultraviolet absorbing agent；The anti-aging agent is antioxidant 264 or antioxidant 4010；
The modifying agent B includes the raw material of following parts by weight: 16 parts of 3- glycidyl ether oxypropyltriethoxysilane,
5 parts of sulfide aliphatic acid ester, 8 parts of diisobutyl sodium naphthalene sulfonate, 1.5 parts of graphene oxide.
A kind of preparation method of highway heat resist modification pitch the following steps are included:
S1, modifier A is prepared: according to 10 parts of epoxy resin, 8 parts of polyester fiber, 3 parts of ethylene bis stearamide, chitosan oligosaccharide 8
Part, 7 parts of 3- piperazinopropyl methyl dimethoxysilane, 10 parts of n-butanol, 0.4 part of compound ultraviolet absorbing agent, anti-aging agent 2.5
Part weighs each raw material of modifier A, and epoxy resin, polyester fiber and n-butanol are added in dispersator, and temperature control exists
80 DEG C, disperse 30min, ethylene bis stearamide, chitosan oligosaccharide and 3- piperazinopropyl methyl dimethoxysilane is then added, after
Continuous dispersion 30min, is cooled to 40 DEG C and compound ultraviolet absorbing agent and anti-aging agent is added, and disperses 10min to get modifier A；
S2, modifying agent B is prepared: according to 16 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester 5
Part, 8 parts of diisobutyl sodium naphthalene sulfonate, 1.5 parts of graphene oxide weigh each raw material of modifying agent B, by sulfide aliphatic acid ester, two isobutyls
Base sodium naphthalene sulfonate and graphene oxide are added in 3- glycidyl ether oxypropyltriethoxysilane, first ultrasonic disperse
20min is transferred in blender, with the speed stirring 1h of 600r/min to get modifying agent B；
The preparation of S3, raw material: asphalt is weighed, and weighs modifier A according to the 18% of oil pitch quality, according to stone
The 3% of oil asphalt quality weighs modifying agent B；
The first modification of S4, asphalt: asphalt being heated and is melted, and is kept in the temperature-resistant asphalt to fusing
Modifier A is added, is stirred to react 1h to get modified mixture at the beginning of asphalt；
S5, the end of asphalt are modified: holding step S4's is temperature-resistant, at the beginning of the asphalt being prepared to step S4
The modifying agent B that is prepared of step S2 is added in modified mixture, the reaction was continued 40min is cooled to room temperature up to highway use
Heat resist modification pitch.
Comparative example 1
A kind of highway heat resist modification pitch proposed by the present invention, is made of, the modification asphalt and modifying agent B
Agent B is the 1% of oil pitch quality；
The modifying agent B includes the raw material of following parts by weight: 10 parts of 3- glycidyl ether oxypropyltriethoxysilane,
2 parts of sulfide aliphatic acid ester, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide.
A kind of preparation method of highway heat resist modification pitch the following steps are included:
S1, modifying agent B is prepared: according to 10 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester 2
Part, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide weigh each raw material of modifying agent B, by sulfide aliphatic acid ester, two isobutyls
Base sodium naphthalene sulfonate and graphene oxide are added in 3- glycidyl ether oxypropyltriethoxysilane, first ultrasonic disperse
20min is transferred in blender, with the speed stirring 1h of 500r/min to get modifying agent B；
The preparation of S2, raw material: asphalt is weighed, and weighs modifying agent B according to the 1% of oil pitch quality；
The modification of S3, asphalt: asphalt being heated and is melted, and keeps adding in the temperature-resistant asphalt to fusing
Enter the modifying agent B that step S2 is prepared, reacts 30min, be cooled to room temperature up to highway heat resist modification pitch.
Comparative example 2
A kind of highway heat resist modification pitch proposed by the present invention, is made of, the modification asphalt and modifier A
Agent A is the 10% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 5 parts of epoxy resin, 3 parts of polyester fiber, ethylene stearic bicine diester
1 part of amine, 3 parts of chitosan oligosaccharide, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, compound ultraviolet absorbing agent 0.2
Part, 0.5 part of anti-aging agent；The compound ultraviolet absorbing agent is prepared by following methods: first being weighed according to mass ratio for 2:3
UV-9 and UV-531, and UV-9 and UV-531 is mixed, suitable acetone is added, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 1h, depressurizes dense
It contracts, be dried in vacuo up to compound ultraviolet absorbing agent；The anti-aging agent is antioxidant 264.
A kind of preparation method of highway heat resist modification pitch the following steps are included:
S1, modifier A is prepared: according to 5 parts of epoxy resin, 3 parts of polyester fiber, 1 part of ethylene bis stearamide, chitosan oligosaccharide 3
Part, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, 0.2 part of compound ultraviolet absorbing agent, anti-aging agent 0.5
Part weighs each raw material of modifier A, and epoxy resin, polyester fiber and n-butanol are added in dispersator, and temperature control exists
60 DEG C, disperse 60min, ethylene bis stearamide, chitosan oligosaccharide and 3- piperazinopropyl methyl dimethoxysilane is then added, after
Continuous dispersion 30min, is cooled to 40 DEG C and compound ultraviolet absorbing agent and anti-aging agent is added, and disperses 10min to get modifier A；
The preparation of S2, raw material: asphalt is weighed, and weighs modifier A according to the 10% of oil pitch quality；
The modification of S4, asphalt: asphalt being heated and is melted, and keeps adding in the temperature-resistant asphalt to fusing
Enter modifier A, be stirred to react 1h, is cooled to room temperature up to highway heat resist modification pitch.
Comparative example 3
A kind of highway heat resist modification pitch proposed by the present invention, is made of asphalt, modifier A and modifying agent B,
The modifier A is the 10% of oil pitch quality, and the modifying agent B is the 1% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 5 parts of epoxy resin, 3 parts of polyester fiber, ethylene stearic bicine diester
1 part of amine, 3 parts of chitosan oligosaccharide, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, compound ultraviolet absorbing agent 0.2
Part, 0.5 part of anti-aging agent；The compound ultraviolet absorbing agent is prepared by following methods: first being weighed according to mass ratio for 2:3
UV-9 and UV-531, and UV-9 and UV-531 is mixed, suitable acetone is added, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 1h, depressurizes dense
It contracts, be dried in vacuo up to compound ultraviolet absorbing agent；The anti-aging agent is antioxidant 264；
The modifying agent B includes the raw material of following parts by weight: 10 parts of 3- glycidyl ether oxypropyltriethoxysilane,
2 parts of sulfide aliphatic acid ester, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide.
A kind of preparation method of highway heat resist modification pitch the following steps are included:
S1, modifier A is prepared: according to 5 parts of epoxy resin, 3 parts of polyester fiber, 1 part of ethylene bis stearamide, chitosan oligosaccharide 3
Part, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, 0.2 part of compound ultraviolet absorbing agent, anti-aging agent 0.5
Part weighs each raw material of modifier A, and epoxy resin, polyester fiber and n-butanol are added in dispersator, and temperature control exists
60 DEG C, disperse 60min, ethylene bis stearamide, chitosan oligosaccharide and 3- piperazinopropyl methyl dimethoxysilane is then added, after
Continuous dispersion 30min, is cooled to 40 DEG C and compound ultraviolet absorbing agent and anti-aging agent is added, and disperses 10min to get modifier A；
S2, prepare modifying agent B raw material: according to 10 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfurized fatty
2 parts of acid esters, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide weigh each raw material of modifying agent B；
The preparation of S3, raw material: asphalt is weighed, and weighs modifier A according to the 10% of oil pitch quality, according to stone
The 1% of oil asphalt quality weighs the corresponding raw material of modifying agent B；
The first modification of S4, asphalt: asphalt being heated and is melted, and is kept in the temperature-resistant asphalt to fusing
Modifier A is added, is stirred to react 1h to get modified mixture at the beginning of asphalt；
S5, the end of asphalt are modified: holding step S4's is temperature-resistant, at the beginning of the asphalt being prepared to step S4
The weighed 3- glycidyl ether oxypropyltriethoxysilane of step S2, sulfide aliphatic acid ester, two are added in modified mixture
Sodium isobutyl naphthalene sulfonate, graphene oxide, the reaction was continued 30min are cooled to room temperature up to highway heat resist modification pitch.
Comparative example 4
A kind of highway heat resist modification pitch proposed by the present invention, is made of asphalt, modifier A and modifying agent B,
The modifier A is the 10% of oil pitch quality, and the modifying agent B is the 1% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 5 parts of epoxy resin, 3 parts of polyester fiber, ethylene stearic bicine diester
1 part of amine, 3 parts of chitosan oligosaccharide, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, compound ultraviolet absorbing agent 0.2
Part, 0.5 part of anti-aging agent；The compound ultraviolet absorbing agent is prepared by following methods: first being weighed according to mass ratio for 2:3
UV-9 and UV-531, and UV-9 and UV-531 is mixed, suitable acetone is added, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 1h, depressurizes dense
It contracts, be dried in vacuo up to compound ultraviolet absorbing agent；The anti-aging agent is antioxidant 264；
The modifying agent B includes the raw material of following parts by weight: 10 parts of 3- glycidyl ether oxypropyltriethoxysilane,
2 parts of sulfide aliphatic acid ester, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide.
A kind of preparation method of highway heat resist modification pitch the following steps are included:
S1, modifier A is prepared: according to 5 parts of epoxy resin, 3 parts of polyester fiber, 1 part of ethylene bis stearamide, chitosan oligosaccharide 3
Part, 3 parts of 3- piperazinopropyl methyl dimethoxysilane, 5 parts of n-butanol, 0.2 part of compound ultraviolet absorbing agent, anti-aging agent 0.5
Part weighs each raw material of modifier A, and epoxy resin, polyester fiber and n-butanol are added in dispersator, and temperature control exists
60 DEG C, disperse 60min, ethylene bis stearamide, chitosan oligosaccharide and 3- piperazinopropyl methyl dimethoxysilane is then added, after
Continuous dispersion 30min, is cooled to 40 DEG C and compound ultraviolet absorbing agent and anti-aging agent is added, and disperses 10min to get modifier A；
S2, modifying agent B is prepared: according to 10 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester 2
Part, 3 parts of diisobutyl sodium naphthalene sulfonate, 0.5 part of graphene oxide weigh each raw material of modifying agent B, by sulfide aliphatic acid ester, two isobutyls
Base sodium naphthalene sulfonate and graphene oxide are added in 3- glycidyl ether oxypropyltriethoxysilane, first ultrasonic disperse
20min is transferred in blender, with the speed stirring 1h of 500r/min to get modifying agent B；
The preparation of S3, raw material: asphalt is weighed, and weighs modifier A according to the 10% of oil pitch quality, according to stone
The 1% of oil asphalt quality weighs modifying agent B；
The first modification of S4, asphalt: asphalt being heated and is melted, and is kept in the temperature-resistant asphalt to fusing
The modifying agent B that step S2 is prepared is added, reacts 30min to get modified mixture at the beginning of asphalt；
S5, the end of asphalt are modified: holding step S4's is temperature-resistant, at the beginning of the asphalt being prepared to step S4
The modifier A that step S1 is prepared is added in modified mixture, is stirred to react 1h, is cooled to room temperature up to the resistance to height of highway
Warm modified pitch.
The modified pitch that Examples 1 to 3 and comparative example 1~4 are prepared is tested for the property, and as a result see the table below.
Experimental result shows, modified pitch softening point prepared by the embodiment of the present invention 1~3, PAV aging temperature and -10
DEG C flexural tensile strength be above comparative example, and dynamic stability is all larger than comparative example, and rutting depth is respectively less than comparative example, shows this hair
Phenomena such as modified pitch of bright proposition has excellent heat resistance and bearing capacity, is not susceptible to embrittlement, softening, service life
It is long, and 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester, diisobutyl naphthalene sulphur known to experimental data
Modified obtained modified pitch heat resistance eventually is carried out to first modified oil pitch again after sour sodium and graphene oxide compounding
It is better than directly using four effects achieved, and modifier A and modifying agent B are to the modified sequentially also to petroleum of asphalt
The comprehensive performance tool of pitch has a certain impact.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of highway heat resist modification pitch, which is characterized in that be made of asphalt, modifier A and modifying agent B, institute
10%~18% that modifier A is oil pitch quality is stated, the modifying agent B is the 1%~3% of oil pitch quality；
The modifier A includes the raw material of following parts by weight: 5~10 parts of epoxy resin, 3~8 parts of polyester fiber, ethylene are double stearic
It is 1~3 part of amide, 3~8 parts of chitosan oligosaccharide, 3~7 parts of 3- piperazinopropyl methyl dimethoxysilane, 5~10 parts of n-butanol, compound
0.2~0.4 part of ultraviolet absorbing agent, 0.5~2.5 part of anti-aging agent；
The modifying agent B includes the raw material of following parts by weight: 10~16 parts of 3- glycidyl ether oxypropyltriethoxysilane,
2~5 parts of sulfide aliphatic acid ester, 3~8 parts of diisobutyl sodium naphthalene sulfonate, 0.5~1.5 part of graphene oxide.
2. a kind of highway heat resist modification pitch according to claim 1, which is characterized in that the modifier A includes
The raw material of following parts by weight: 7 parts of epoxy resin, 6 parts of polyester fiber, 2 parts of ethylene bis stearamide, 6 parts of chitosan oligosaccharide, 3- piperazinyl
5 parts of hydroxypropyl methyl dimethoxysilane, 7 parts of n-butanol, 0.3 part of compound ultraviolet absorbing agent, 1.5 parts of anti-aging agent.
3. a kind of highway heat resist modification pitch according to claim 1, which is characterized in that the modifying agent B includes
The raw material of following parts by weight: 13 parts of 3- glycidyl ether oxypropyltriethoxysilane, 4 parts of sulfide aliphatic acid ester, two isobutyls
5 parts of base sodium naphthalene sulfonate, 1 part of graphene oxide.
4. a kind of highway heat resist modification pitch according to claim 1 or 2, which is characterized in that described compound ultraviolet
Light absorbers are prepared by following methods: first according to mass ratio being that 2:3 weighs UV-9 and UV-531, and by UV-9 and UV-531
Mixing, is added suitable acetone, in 40 DEG C of ultrasonic dissolutions, keeps the temperature 1~2h, is concentrated under reduced pressure, is dried in vacuo up to compound ultraviolet light
Absorbent.
5. a kind of highway heat resist modification pitch according to claim 1 or 2, which is characterized in that the anti-aging agent is
Antioxidant 264 or antioxidant 4010.
6. a kind of highway heat resist modification pitch according to claim 1, which is characterized in that the modifier A is stone
The 14% of oil asphalt quality, the modifying agent B are the 2% of oil pitch quality.
7. a kind of highway preparation method of heat resist modification pitch, which comprises the following steps:
S1, modifier A is prepared: according to 5~10 parts of epoxy resin, 3~8 parts of polyester fiber, 1~3 part of ethylene bis stearamide, shell
3~8 parts of oligosaccharides, 3~7 parts of 3- piperazinopropyl methyl dimethoxysilane, 5~10 parts of n-butanol, compound ultraviolet absorbing agent
0.2~0.4 part, 0.5~2.5 part of anti-aging agent weighs each raw material of modifier A, and epoxy resin, polyester fiber and n-butanol are added
Into dispersator, temperature is controlled at 60~80 DEG C, disperses 30~60min, and ethylene bis stearamide, chitosan oligosaccharide is then added
With 3- piperazinopropyl methyl dimethoxysilane, continue to disperse 30min, be cooled to 40 DEG C be added compound ultraviolet absorbing agents and
Anti-aging agent disperses 10min to get modifier A；
S2, modifying agent B is prepared: according to 10~16 parts of 3- glycidyl ether oxypropyltriethoxysilane, sulfide aliphatic acid ester 2
~5 parts, 3~8 parts of diisobutyl sodium naphthalene sulfonate, 0.5~1.5 part of graphene oxide weigh each raw material of modifying agent B, by sulfurized fatty
Acid esters, diisobutyl sodium naphthalene sulfonate and graphene oxide are added in 3- glycidyl ether oxypropyltriethoxysilane, first
Ultrasonic disperse 20min, transfers in blender, with the speed stirring 1h of 500~600r/min to get modifying agent B；
The preparation of S3, raw material: weighing asphalt, and weigh modifier A according to the 10%~18% of oil pitch quality, according to
The 1%~3% of oil pitch quality weighs modifying agent B；
The first modification of S4, asphalt: asphalt being heated and is melted, and keeps being added in the temperature-resistant asphalt to fusing
Modifier A is stirred to react 1h to get modified mixture at the beginning of asphalt；
S5, the end of asphalt are modified: holding step S4's is temperature-resistant, and the asphalt being prepared to step S4 is just modified
The modifying agent B that is prepared of step S2 is added in mixture, the reaction was continued 30~40min is cooled to room temperature up to highway use
Heat resist modification pitch.
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