CN102604400B - Epoxy asphalt for roads and bridges and preparation method for same - Google Patents
Epoxy asphalt for roads and bridges and preparation method for same Download PDFInfo
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- CN102604400B CN102604400B CN 201210062052 CN201210062052A CN102604400B CN 102604400 B CN102604400 B CN 102604400B CN 201210062052 CN201210062052 CN 201210062052 CN 201210062052 A CN201210062052 A CN 201210062052A CN 102604400 B CN102604400 B CN 102604400B
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Abstract
The invention relates to epoxy asphalt for roads and bridges and a preparation method for the same, which belong to the technical field of modified asphalt for the roads and the bridges, adopt novel modified epoxy resin, and are good in compatibility and large in asphalt filling amount. The technical scheme includes that the epoxy asphalt for the roads and the bridges is made of, by weight, a component A of modified epoxy resin and a component B including 45-85 parts of heavy traffic paving asphalt, 3-25 parts of fatty acid anhydride, 8-30 parts of fatty group binary acid, 1-20 parts of monomer mixtures, 5-40 parts of modified epoxy resin and 0.1-1.2 parts of curing accelerator, the weight part ratio of the component A to the component B is 1:2-12, and the modified epoxy resin is made of, by weight, 3-9 parts of epoxy resin, 2-8 parts of furfuryl alcohol mud, 0.5-3 parts of polyester and 0.5-3 parts of furfuryl alcohol. The epoxy asphalt for the roads and the bridges is widely applied to the field of paving of road surfaces and bridge surfaces.
Description
Technical field
Bridge of the present invention belongs to bridge with bituminous epoxy and preparation method thereof and uses the modified asphalt technology field.
Background technology
Early oneself is ripe product to epoxy bitumen material abroad, the bituminous epoxy overwhelming majority that China is used now remains the imported from America product, its main drawback is that price is high, complicated construction technique, formula for a product are single, and these have all affected bituminous epoxy and have applied widely.Although domestic, its research is also made some progress, but on the whole, China to the research of bituminous epoxy also in the starting stage, because the selections such as compatilizer, solidifying agent, thinner, promotor and toughener in epoxy bitumen material do not obtain fine solution, bibliographical information, in bituminous epoxy binder and binding material, the weight ratio of epoxy resin and pitch is respectively 1:2.8 and 1:2.45, ratio well below import bituminous epoxy 1:5.85 and 1:4.45, therefore cost is higher, and material property is also far below imported product.
Summary of the invention
The present invention, in order to overcome the deficiencies in the prior art, provides a kind of new modified epoxy that adopts, bituminous epoxy and preparation method thereof for the bridge that consistency is good, the pitch loading level is large.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the bridge bituminous epoxy, raw materials used according to following weight part proportioning:
A component: modified epoxy;
B component: heavy traffic paving asphalt 45-85 part, fatty acid anhydride 3-25 part, aliphatic dibasic acid 8-30 part, monomer mixture 1-20 part, modified epoxy 5-40 part, curing catalyst 0.1-1.2 part;
The weight part ratio of A component and B component is 1:2-12;
The raw material of described modified epoxy forms according to following weight part: epoxy resin 3-9 part, furfuryl alcohol mud 2-8 part, polyester 0.5-3 part, furfuryl alcohol 0.5-3 part.
Described epoxy resin is bisphenol A type epoxy resin.
Described polyester is unsaturated polyester resin.
A kind of preparation method of modified epoxy, the 25%-100% of described weight epoxy umber and described furfuryl alcohol mud and furfuryl alcohol are added to reactor, then be evacuated to vacuum tightness and be 0～-20KPa, and pass into nitrogen and carry out twice replaced air, be warming up to 90 ℃-133 ℃ after heat fused, dehydration 30min-90min; Nitrogen in reactor is disappeared after sky, be cooled to 87 ℃-98 ℃, add the described epoxy resin of residue, stir 15min-40min, then add the sodium hydrate solid catalyzer, 20min-60min adds complete, has added rear reaction 40min-80min, be warming up to again 120 ℃-175 ℃, continue reaction 65min-135min; After finally adding polyester to stir 50min-85min, with sodium hydroxide solution, be neutralized to pH=5-7, obtain modified epoxy;
The weight percent that described sodium hydrate solid accounts for modified epoxy is 0.9%.
Described fatty acid anhydride is the poly-dicarboxylic anhydride that dodecenylsuccinic anhydride, tung oil acid anhydride or aliphatic dicarboxylic acid form through intermolecular dehydration reaction condensation.
Described aliphatic dibasic acid or be a kind of in oxalic acid, succinic acid, propanedioic acid, hexanodioic acid, or be two or more mixture wherein.
Described monomer mixture is polyisobutylene butanedioic anhydride.
Described curing catalyst is aliphatics amine or for quadrol or for hexanediamine or for diethylenetriamine or for triethylene tetramine.
The preparation method of bituminous epoxy for a kind of bridge, carry out according to following steps:
The first step, add reaction attached middle school to mix the 20%-60% of aliphatic dibasic acid described in the B component and fatty acid anhydride and described heavy traffic paving asphalt weight part, in temperature, be under 22 ℃-35 ℃, beginning drips described monomer mixture in reactor, within 3-5 hour, dropwises, and in the dropping process, keeps temperature lower than 50 ℃, after dropwising, controlling temperature of reaction kettle is 110 ℃-130 ℃, and insulation reaction 1.5-4 hour, obtain bituminous epoxy solidifying agent intermediate;
Second step, reactor is cooled, when reactor temperature drops to 80 ℃-95 ℃, the described modified epoxy that mixes and the mixture of curing catalyst are added dropwise in described bituminous epoxy solidifying agent intermediate, and 40min-160min dropwises, and in the dropping process, keeps temperature lower than 95 ℃, after dropwising, controlling temperature of reaction kettle is 118 ℃-130 ℃, and insulation reaction 1.5-3 hour, obtain the bituminous epoxy solidifying agent;
The 3rd step, add the residue heavy traffic paving asphalt in described B component in the bituminous epoxy solidifying agent, uses colloidal mill to disperse 30-75min, obtains the B component;
The 4th step, be warming up to respectively 90 ℃-160 ℃ by A component and B component, then A component and B component mixed, and admixes or do not admix building stones, and insulation 1-60 minute, obtain the bridge bituminous epoxy.
The beneficial effect that the present invention compared with prior art has is: the present invention has further improved the loading level of bituminous epoxy medium pitch, has reduced the cost of product.In addition, the rule that this Project Product changes according to the bituminous epoxy viscosity with temperature, reduced the initial viscosity of bituminous epoxy, thus the curing reaction speed of the bituminous epoxy that slowed down, for the transportation of epoxy asphalt concrete in engineering with mat formation favourable condition is provided.The ratio of epoxy resin and pitch in bituminous epoxy binding material of the present invention and binder (containing solidifying agent) is 1:5.80 and 1:6.80, respectively far above ratio 1:4.45 and the 1:5.85 of U.S.'s product.And the pavement performance of the mechanical property of bituminous epoxy binding material and binder, viscosity, thermostability and compound all significantly improves.Simultaneously preparation method of the present invention is simple, and cost is low, and energy consumption is little, and set time is short can be used for repairing road surface, is conducive to traffic unobstructed fast.And the bituminous epoxy unit elongation that the present invention makes is high, and consistency is good, and tensile strength is large.
Usually the high-temperature behavior of modifying asphalt is all more stable, and as viscoelastic material, low-temperature performance is its important index.
When the present invention adopts BBR the small beam experiment in the SHRP index to study the crack resistance at low-temperature test of bituminous epoxy under-12 ℃ and-18 ℃ of conditions, according to the mensuration girder bend test method adopted in the SHRP standard, bridge is poured in the die trial of BBR girder with bituminous epoxy, again die trial is placed on to insulation 4 h in 120 ℃ of baking ovens, take out the cooling rear shovel mould of die trial, the demoulding, then tested, testing data is as follows:
| The binder type | Test temperature/℃ | Stiffness modulus MPa | Creep speed/s 2 |
| The Japanese epoxy asphalt binder | -18 | 424 | 0.269 |
| The Japanese epoxy asphalt binder | -12 | 221.5 | 0.276 |
| U.S.'s bituminous epoxy binder | -18 | 703 | 0.131 |
| U.S.'s bituminous epoxy binder | -12 | 402 | 0.229 |
| Produce the bituminous epoxy binder | -18 | 385～693 | 0.091～0.243 |
| Produce the bituminous epoxy binder | -12 | 245～455 | 0.196～0.274 |
From the creep speed of data comparison found America bituminous epoxy under Different hypothermia that obtain of table all be less than Japanese epoxy asphalt, the present invention is more lower than U.S.'s bituminous epoxy, from the angle analysis of creep speed, the creep speed value is less, its crack resistance at low-temperature is better.And from experimental phenomena, can observe, the snappiness that U.S.'s bituminous epoxy has had than Japanese epoxy asphalt under low temperature environment, snappiness of the present invention is better.
Embodiment
Heavy traffic paving asphalt used in the present invention is the 90# heavy traffic paving asphalt, and heavy traffic paving asphalt, fatty acid anhydride, aliphatic dibasic acid and epoxy resin technical indicator are: the qualified product that national standard is foundation.
Embodiment mono-
The preparation method of bituminous epoxy for a kind of bridge, carry out according to following steps:
The first step, by bridge with the raw materials of bituminous epoxy according to following weight part proportioning:
50 parts of heavy traffic paving asphalts, 5 parts of dodecenylsuccinic anhydrides, 10 parts of succinic acid, 10 parts of polyisobutylene butanedioic anhydrides, 10 parts of modified epoxies, 0.2 part of quadrol;
The raw material of modified epoxy forms according to following weight part: 5 parts of epoxy resin, 4 parts, furfuryl alcohol mud, 1 part of unsaturated polyester resin, 1 part of furfuryl alcohol;
Second step, prepare modified epoxy
50% and described furfuryl alcohol mud and the furfuryl alcohol of described weight epoxy umber are added to reactor, then be evacuated to vacuum tightness and be 0～-20KPa, and pass into nitrogen and carry out twice replaced air, be warming up to 107 ℃ after heat fused, dehydration 60min; Nitrogen in reactor is disappeared after sky, be cooled to 92 ℃, add the described epoxy resin of residue, stir 30min, then add the sodium hydrate solid catalyzer, 30min adds complete, has added rear reaction 60min, then has been warming up to 150 ℃, continues to react 90min; After finally adding polyester to stir 60min, with sodium hydroxide solution, be neutralized to pH=6.5, obtain modified epoxy; The weight percent that described sodium hydrate solid accounts for modified epoxy is 0.9%;
The 3rd step, 30 parts of described heavy traffic paving asphalts, succinic acid and dodecenylsuccinic anhydride are added in reactor and mix, in temperature, be under 28 ℃, beginning drips described polyisobutylene butanedioic anhydride in reactor, within 4.5 hours, dropwises, and in the dropping process, keeps temperature lower than 50 ℃, after dropwising, controlling temperature of reaction kettle is 115 ℃, and insulation reaction 2 hours, obtain bituminous epoxy solidifying agent intermediate;
The 4th step, reactor is cooled, when reactor temperature drops to 85 ℃, the described modified epoxy that mixes and the mixture of quadrol are added dropwise in described bituminous epoxy solidifying agent intermediate, and 60min dropwises, and in the dropping process, keeps temperature lower than 95 ℃, after dropwising, controlling temperature of reaction kettle is 120 ℃, and insulation reaction 2.5 hours, obtain the bituminous epoxy solidifying agent;
The 5th step, will remain heavy traffic paving asphalt and add in the bituminous epoxy solidifying agent, use colloidal mill to disperse 30-75min, obtain bituminous epoxy solidifying agent B component for bridge;
The 6th step, be warming up to respectively 100 ℃ by A component and B component, then A component and B component mixed, and admixes or do not admix building stones, is incubated 40 minutes, obtains the bridge bituminous epoxy.
Embodiment bis-
The preparation method of bituminous epoxy for a kind of bridge, carry out according to following steps:
The first step, by bridge with the raw materials of bituminous epoxy according to following weight part proportioning:
60 parts of heavy traffic paving asphalts, 10 parts of tung oil acid anhydrides, 15 parts of oxalic acids, 15 parts of polyisobutylene butanedioic anhydrides, 20 parts of modified epoxies, 0.6 part of hexanediamine;
The raw material of modified epoxy forms according to following weight part: 5 parts of epoxy resin, 4.5 parts, furfuryl alcohol mud, 1 part of unsaturated polyester resin, 1 part of furfuryl alcohol;
Second step, prepare modified epoxy
80% and described furfuryl alcohol mud and the furfuryl alcohol of described weight epoxy umber are added to reactor, then be evacuated to vacuum tightness and be 0～-20KPa, and pass into nitrogen and carry out twice replaced air, be warming up to 98 ℃ after heat fused, dehydration 80min; Nitrogen in reactor is disappeared after sky, be cooled to 90 ℃, add the described epoxy resin of residue, stir 35min, then add the solid sodium hydroxide catalyzer, 40min adds complete, has added rear reaction 70min, then has been warming up to 140 ℃, continues to react 110min; After finally adding polyester to stir 55min, with sodium hydroxide solution, be neutralized to 7, obtain modified epoxy; The weight percent that described sodium hydrate solid accounts for modified epoxy is 0.9%;
The 3rd step, 30 parts of described heavy traffic paving asphalts, oxalic acid and tung oil acid anhydride are added in reactor and mix, in temperature, be under 33 ℃, beginning drips described polyisobutylene butanedioic anhydride in reactor, within 3.5 hours, dropwises, and in the dropping process, keeps temperature lower than 50 ℃, after dropwising, controlling temperature of reaction kettle is 127 ℃, and insulation reaction 3.5 hours, obtain bituminous epoxy solidifying agent intermediate;
The 4th step, reactor is cooled, when reactor temperature drops to 92 ℃, the described modified epoxy that mixes and the mixture of hexanediamine are added dropwise in described bituminous epoxy solidifying agent intermediate, and 120min dropwises, and in the dropping process, keeps temperature lower than 95 ℃, after dropwising, controlling temperature of reaction kettle is 128 ℃, and insulation reaction 2 hours, obtain the bituminous epoxy solidifying agent;
The 5th step, will remain heavy traffic paving asphalt and add in the bituminous epoxy solidifying agent, use colloidal mill to disperse 30-75min, obtain bituminous epoxy solidifying agent B component for bridge;
The 6th step, be warming up to respectively 150 ℃ by A component and B component, then A component and B component mixed, and admixes or do not admix building stones, is incubated 30 minutes, obtains the bridge bituminous epoxy.
Embodiment tri-
The preparation method of bituminous epoxy for a kind of bridge, carry out according to following steps:
The first step, by bridge with the raw materials of bituminous epoxy according to following weight part proportioning:
80 parts of heavy traffic paving asphalts, 20 parts of fatty acid anhydrides, 25 parts of aliphatic dibasic acids, 18 parts of polyisobutylene butanedioic anhydrides, 30 parts of modified epoxies, 1 part of diethylenetriamine; Described aliphatic dibasic acid is the mixture that propanedioic acid and hexanodioic acid volume ratio are 2:3;
The raw material of modified epoxy forms according to following weight part: 4 parts of epoxy resin, 6 parts, furfuryl alcohol mud, 1.5 parts of unsaturated polyester resins, 1.2 parts of furfuryl alcohols;
Second step, prepare modified epoxy
40% and described furfuryl alcohol mud and the furfuryl alcohol of described weight epoxy umber are added to reactor, then be evacuated to vacuum tightness and be 0～-20KPa, and pass into nitrogen and carry out twice replaced air, be warming up to 120 ℃ after heat fused, dehydration 35min; Nitrogen in reactor is disappeared after sky, be cooled to 95 ℃, add the described epoxy resin of residue, stir 20min, then add the sodium hydrate solid catalyzer, 50min adds complete, has added rear reaction 50min, then has been warming up to 125 ℃, continues to react 125min; After finally adding polyester to stir 70min, with sodium hydroxide solution, be neutralized to pH=6, obtain modified epoxy; The weight percent that described sodium hydrate solid accounts for modified epoxy is 0.9%;
The 3rd step, 50 parts of described heavy traffic paving asphalts, aliphatic dibasic acid and fatty acid anhydride are added in reactor and mix, in temperature, be under 25 ℃, beginning drips described polyisobutylene butanedioic anhydride in reactor, within 4 hours, dropwises, and in the dropping process, keeps temperature lower than 50 ℃, after dropwising, controlling temperature of reaction kettle is 127 ℃, and insulation reaction 2.5 hours, obtain bituminous epoxy solidifying agent intermediate;
The 4th step, reactor is cooled, when reactor temperature drops to 81 ℃, the described modified epoxy that mixes and the mixture of diethylenetriamine are added dropwise in described bituminous epoxy solidifying agent intermediate, and 90min dropwises, and in the dropping process, keeps temperature lower than 95 ℃, after dropwising, controlling temperature of reaction kettle is 125 ℃, and insulation reaction 3 hours, obtain the bituminous epoxy solidifying agent;
The 5th step, will remain heavy traffic paving asphalt and add in the bituminous epoxy solidifying agent, use colloidal mill to disperse 30-75min, obtain bituminous epoxy solidifying agent B component for bridge;
The 6th step, be warming up to respectively 90 ℃ by A component and B component, then A component and B component mixed, and admixes or do not admix building stones, is incubated 1 minute, obtains the bridge bituminous epoxy.
Embodiment tetra-
The preparation method of bituminous epoxy for a kind of bridge, carry out according to following steps:
The first step, by bridge with the raw materials of bituminous epoxy according to following weight part proportioning:
70 parts of heavy traffic paving asphalts, 25 parts of fatty acid anhydrides, 20 parts of aliphatic dibasic acids, 15 parts of polyisobutylene butanedioic anhydrides, 35 parts of modified epoxies, 0.8 part of triethylene tetramine; Described aliphatic dibasic acid is the mixture that succinic acid, oxalic acid and hexanodioic acid volume ratio are 1:1:1;
The raw material of modified epoxy forms according to following weight part: 7 parts of epoxy resin, 7 parts, furfuryl alcohol mud, 0.8 part of unsaturated polyester resin, 2 parts of furfuryl alcohols;
Second step, prepare modified epoxy
60% and described furfuryl alcohol mud and the furfuryl alcohol of described weight epoxy umber are added to reactor, then be evacuated to vacuum tightness and be 0～-20KPa, and pass into nitrogen and carry out twice replaced air, be warming up to 110 ℃ after heat fused, dehydration 40min; Nitrogen in reactor is disappeared after sky, be cooled to 88 ℃, add the described epoxy resin of residue, stir 25min, then add the sodium hydrate solid catalyzer, 25min adds complete, has added rear reaction 45min, then has been warming up to 130 ℃, continues to react 70min; After finally adding polyester to stir 75min, with sodium hydroxide solution, be neutralized to pH=5.8, obtain modified epoxy; The weight percent that described sodium hydrate solid accounts for modified epoxy is 0.9%;
The 3rd step, 30 parts of described heavy traffic paving asphalts, aliphatic dibasic acid and fatty acid anhydride are added in reactor and mix, in temperature, be under 24 ℃, beginning drips described polyisobutylene butanedioic anhydride in reactor, within 3 hours, dropwises, and in the dropping process, keeps temperature lower than 50 ℃, after dropwising, controlling temperature of reaction kettle is 120 ℃, and insulation reaction 4 hours, obtain bituminous epoxy solidifying agent intermediate;
The 4th step, reactor is cooled, when reactor temperature drops to 88 ℃, the described modified epoxy that mixes and the mixture of triethylene tetramine are added dropwise in described bituminous epoxy solidifying agent intermediate, and 80min dropwises, and in the dropping process, keeps temperature lower than 95 ℃, after dropwising, controlling temperature of reaction kettle is 123 ℃, and insulation reaction 1.5 hours, obtain the bituminous epoxy solidifying agent;
The 5th step, will remain heavy traffic paving asphalt and add in the bituminous epoxy solidifying agent, use colloidal mill to disperse 30-75min, obtain bituminous epoxy solidifying agent B component for bridge;
The 6th step, be warming up to respectively 160 ℃ by A component and B component, then A component and B component mixed, and admixes or do not admix building stones, is incubated 60 minutes, obtains the bridge bituminous epoxy.
Embodiment five
The preparation method of bituminous epoxy for a kind of bridge, carry out according to following steps:
The first step, by bridge with the raw materials of bituminous epoxy according to following weight part proportioning:
40 parts of heavy traffic paving asphalts, 8 parts of fatty acid anhydrides, 12 parts of aliphatic dibasic acids, 5 parts of polyisobutylene butanedioic anhydrides, 5 parts of modified epoxies, 0.1 part of hexanediamine; Described aliphatic dibasic acid is the mixture that oxalic acid, succinic acid, propanedioic acid and hexanodioic acid volume ratio are 1:1:1:1;
The raw material of modified epoxy forms according to following weight part: 4 parts of epoxy resin, 6 parts, furfuryl alcohol mud, 1.5 parts of unsaturated polyester resins, 1.2 parts of furfuryl alcohols;
Second step, prepare modified epoxy
40% and described furfuryl alcohol mud and the furfuryl alcohol of described weight epoxy umber are added to reactor, then be evacuated to vacuum tightness and be 0～-20KPa, and pass into nitrogen and carry out twice replaced air, be warming up to 120 ℃ after heat fused, dehydration 35min; Nitrogen in reactor is disappeared after sky, be cooled to 95 ℃, add the described epoxy resin of residue, stir 20min, then add the sodium hydrate solid catalyzer, 50min adds complete, has added rear reaction 50min, then has been warming up to 125 ℃, continues to react 125min; After finally adding polyester to stir 70min, with sodium hydroxide solution, be neutralized to pH=6, obtain modified epoxy; The weight percent that described sodium hydrate solid accounts for modified epoxy is 0.9%;
The 3rd step, described heavy traffic paving asphalt, aliphatic dibasic acid and fatty acid anhydride are added in reactor and mix, in temperature, be under 27 ℃, beginning drips described polyisobutylene butanedioic anhydride in reactor, within 5 hours, dropwises, and in the dropping process, keeps temperature lower than 50 ℃, after dropwising, controlling temperature of reaction kettle is 118 ℃, and insulation reaction 3 hours, obtain bituminous epoxy solidifying agent intermediate;
The 4th step, reactor is cooled, when reactor temperature drops to 90 ℃, the described modified epoxy that mixes and the mixture of hexanediamine are added dropwise in described bituminous epoxy solidifying agent intermediate, and 150min dropwises, and in the dropping process, keeps temperature lower than 95 ℃, after dropwising, controlling temperature of reaction kettle is 130 ℃, and insulation reaction 2 hours, obtain bituminous epoxy solidifying agent intermediate;
The 5th step, will remain heavy traffic paving asphalt and add in the bituminous epoxy solidifying agent, use colloidal mill to disperse 30-75min, obtain bituminous epoxy solidifying agent B component for bridge;
The 6th step, be warming up to respectively 120 ℃ by A component and B component, then A component and B component mixed, and admixes or do not admix building stones, is incubated 20 minutes, obtains the bridge bituminous epoxy.
The invention is not restricted to above-described embodiment, in the ken possessed those of ordinary skills, can also not break away under the prerequisite of aim of the present invention and make a variety of changes.
Claims (7)
1. bridge bituminous epoxy is characterized in that raw materials used according to following weight part proportioning:
A component: modified epoxy;
B component: heavy traffic paving asphalt 45-85 part, fatty acid anhydride 3-25 part, aliphatic dibasic acid 8-30 part, polyisobutylene butanedioic anhydride 1-20 part, modified epoxy 5-40 part, curing catalyst 0.1-1.2 part;
The weight part ratio of A component and B component is 1:2-12;
The raw material of described modified epoxy forms according to following weight part: epoxy resin 3-9 part, furfuryl alcohol mud 2-8 part, polyester 0.5-3 part, furfuryl alcohol 0.5-3 part;
The preparation method of described modified epoxy is: the 25%-100% of described weight epoxy umber and described furfuryl alcohol mud and furfuryl alcohol are added to reactor, then be evacuated to vacuum tightness and be 0～-20KPa, and pass into nitrogen and carry out twice replaced air, be warming up to 90 ℃-133 ℃ after heat fused, dehydration 30min-90min; Nitrogen in reactor is disappeared after sky, be cooled to 87 ℃-98 ℃, add the described epoxy resin of residue, stir 15min-40min, then add the sodium hydrate solid catalyzer, 20min-60min adds complete, has added rear reaction 40min-80min, be warming up to again 120 ℃-175 ℃, continue reaction 65min-135min; After finally adding polyester to stir 50min-85min, with sodium hydroxide solution, be neutralized to pH=5-7, obtain modified epoxy;
The weight percent that described sodium hydrate solid accounts for modified epoxy is 0.9%.
2. bridge bituminous epoxy according to claim 1, is characterized in that described epoxy resin is bisphenol A type epoxy resin.
3. bridge bituminous epoxy according to claim 1, is characterized in that described polyester is unsaturated polyester resin.
4. bridge bituminous epoxy according to claim 1, is characterized in that described fatty acid anhydride is the poly-dicarboxylic anhydride that dodecenylsuccinic anhydride, tung oil acid anhydride or aliphatic dicarboxylic acid form through intermolecular dehydration reaction condensation.
5. bridge bituminous epoxy according to claim 1, is characterized in that described aliphatic dibasic acid or a kind of in oxalic acid, succinic acid, propanedioic acid, hexanodioic acid, or be two or more mixture wherein.
6. bridge bituminous epoxy according to claim 1, is characterized in that described curing catalyst is the aliphatics amine, described aliphatics amine or be quadrol or for hexanediamine or for diethylenetriamine or for triethylene tetramine.
7. the preparation method of bituminous epoxy for a bridge claimed in claim 1 is characterized in that carrying out according to following steps:
The first step, the 20%-60% of aliphatic dibasic acid described in the B component and fatty acid anhydride and described heavy traffic paving asphalt weight part is added in reactor and mixes, in temperature, be under 22 ℃-35 ℃, beginning drips described polyisobutylene butanedioic anhydride in reactor, within 3-5 hour, dropwises, and in the dropping process, keeps temperature lower than 50 ℃, after dropwising, controlling temperature of reaction kettle is 110 ℃-130 ℃, and insulation reaction 1.5-4 hour, obtain bituminous epoxy solidifying agent intermediate;
Second step, reactor is cooled, when reactor temperature drops to 80 ℃-95 ℃, the described modified epoxy that mixes and the mixture of curing catalyst are added dropwise in described bituminous epoxy solidifying agent intermediate, and 40min-160min dropwises, and in the dropping process, keeps temperature lower than 95 ℃, after dropwising, controlling temperature of reaction kettle is 118 ℃-130 ℃, and insulation reaction 1.5-3 hour, obtain the bituminous epoxy solidifying agent;
The 3rd step, add the residue heavy traffic paving asphalt in described B component in the bituminous epoxy solidifying agent, uses colloidal mill to disperse 30-75min, obtains the B component;
The 4th step, be warming up to respectively 90 ℃-160 ℃ by A component and B component, then A component and B component mixed, and admixes or do not admix building stones, and insulation 1-60 minute, obtain the bridge bituminous epoxy.
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| CN 201210062052 CN102604400B (en) | 2012-03-12 | 2012-03-12 | Epoxy asphalt for roads and bridges and preparation method for same |
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| CN 201210062052 CN102604400B (en) | 2012-03-12 | 2012-03-12 | Epoxy asphalt for roads and bridges and preparation method for same |
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| CN102604400B true CN102604400B (en) | 2013-12-18 |
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|---|---|---|---|---|
| US4162998A (en) * | 1977-04-22 | 1979-07-31 | Kao Soap Co., Ltd. | Process for preparation of asphalt-epoxy resin composition |
| CN1837290A (en) * | 2006-04-28 | 2006-09-27 | 黄卫 | Thermosetting epoxy asphalt materials for pavement and bridge and process for preparing same |
| CN101255276A (en) * | 2008-04-22 | 2008-09-03 | 东南大学 | Epoxy asphalt material for road-bridge and environment-friendly preparation method thereof |
| CN102604331A (en) * | 2012-03-12 | 2012-07-25 | 山西永力实业有限公司 | Modified epoxy resin and preparation method thereof |
-
2012
- 2012-03-12 CN CN 201210062052 patent/CN102604400B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4162998A (en) * | 1977-04-22 | 1979-07-31 | Kao Soap Co., Ltd. | Process for preparation of asphalt-epoxy resin composition |
| CN1837290A (en) * | 2006-04-28 | 2006-09-27 | 黄卫 | Thermosetting epoxy asphalt materials for pavement and bridge and process for preparing same |
| CN101255276A (en) * | 2008-04-22 | 2008-09-03 | 东南大学 | Epoxy asphalt material for road-bridge and environment-friendly preparation method thereof |
| CN102604331A (en) * | 2012-03-12 | 2012-07-25 | 山西永力实业有限公司 | Modified epoxy resin and preparation method thereof |
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| CN102604400A (en) | 2012-07-25 |
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