CN104031396B - A kind of cold mixing epoxy bitumen material and preparation method thereof - Google Patents

A kind of cold mixing epoxy bitumen material and preparation method thereof Download PDF

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Publication number
CN104031396B
CN104031396B CN201310588823.6A CN201310588823A CN104031396B CN 104031396 B CN104031396 B CN 104031396B CN 201310588823 A CN201310588823 A CN 201310588823A CN 104031396 B CN104031396 B CN 104031396B
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epoxy
bitumen material
bituminous
parts
diluent
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CN104031396A (en
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周威
徐逢来
蒋涛
王东怡
田科
曹志龙
敖成鸿
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Hubei Hengbiao Plastic Co., Ltd.
Hubei University
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Hubei Hengbiao Plastic Co Ltd
Hubei University
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Abstract

The present invention provides a kind of cold mixing epoxy bitumen materials and preparation method thereof.A kind of cold mixing epoxy bitumen material, including part A and part B;The part A comprises the following components in parts by weight: 100 parts of pitch;5~50 parts of bituminous epoxy diluent;10~50 parts of bituminous epoxy expanding material;5~50 parts of bituminous epoxy curing agent;The part B comprises the following components in parts by weight: 40~100 parts of epoxy resin, 5~50 parts of epoxy resin diluent;The weight ratio of the part A and part B is (0.5~5): 1.In the present invention, the epoxy bitumen material that asphalt flux and epoxide diluent make has preferable construction mobility at room temperature, can be easy to penetrate into pavement crack to be repaired;It can be used simultaneously with being stirred under room temperature, without carrying out heating and heat insulation transportation.

Description

A kind of cold mixing epoxy bitumen material and preparation method thereof
Technical field
The present invention relates to building material technical fields, more particularly to a kind of mixing can be stirred at room temperature, construct one Kind cold mixing epoxy bitumen material and preparation method thereof.
Background technique
Epoxy bitumen material disclosed in the prior art is semifluid paste at room temperature, is being mated formation in use, must be tight It is heated under the high-temperature control of lattice, its viscosity is made to reach 200cp or so, as the temperature of mixing and stirring of U.S.'s ChemCo bituminous epoxy is 121 DEG C, the temperature of mixing and stirring of Japanese TAF bituminous epoxy is 180 DEG C.Moreover, gathering materials by the bituminous epoxy mixed and stirred must protect It transports from blending station to construction site, is caused so on the one hand since external heat makes the production energy consumption of bituminous epoxy under the conditions of temperature Height, simultaneously because must carry out heat insulation transportation cause construction when transport difficulty it is big, another aspect bituminous epoxy during heating, The bitumen flue gas being harmful to the human body can be generated, large effect is caused to the body and environment of constructor.
Therefore, the construction temperature of bituminous epoxy how is reduced, reduces construction transport difficulty, in particular for road surface or bridge When there is small area repairing, the stringent operating condition of Conventional epoxy pitch brings bigger difficulty to reparation construction, develops energy Enough epoxy bitumen materials used that mixes and stirs at room temperature become technical problem urgently to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of cold mixing epoxy bitumen materials and preparation method thereof.In the present invention, pitch The epoxy bitumen material that diluent and epoxide diluent make has preferable construction mobility at room temperature, can be easy to It penetrates into pavement crack and is repaired;It can be used simultaneously with being stirred under room temperature, without carrying out heating and heat insulation transportation;Epoxy drip Green expanding material can be effectively improved the compatibility between pitch and epoxy resin.The experimental results showed that epoxy provided by the invention The average tensile strength of asphalt material is 2.53MPa, and elongation at break 255%, Marshall stability is average up to 58KN, is moved Stability is even more to show as superfine anti-rut behavior more than 24500 times/mm;Material is placed under conditions of -20 DEG C After for 24 hours, ductile rupture is presented in material when splitting, shows the excellent low temperature resistance of this material.Peel strength average value is 45.7MPa can have preferable cementability with basic foundation.
The present invention provides a kind of cold mixing epoxy bitumen materials, including part A and part B;
The part A comprises the following components in parts by weight:
The part B comprises the following components in parts by weight:
40~100 parts of epoxy resin;
5~50 parts of epoxy resin diluent;
The weight ratio of the part A and part B is (0.5~5): 1.
Preferably, the bituminous epoxy diluent is styrene, methyl methacrylate, ethyl methacrylate and methyl At least one of propyl acrylate.
Preferably, the bituminous epoxy expanding material is epoxidized soybean oil, epoxy stearic acid, epoxy methyl stearate, epoxy Ethyl stearate, epoxy stearic acid propyl ester, epoxy butyl stearate, epoxy stearic acid pentyl ester, the own ester of epoxy stearic acid, epoxy are hard At least one of ester heptyl heptylate, epoxy octyl stearate and polyethylene oxide stearic acid.
Preferably, the bituminous epoxy curing agent is fatty amines curing agent, alicyclic ring amine curing agent, aromatic amine solidification At least one of agent and polyamide-based curing agent.
Preferably, the epoxy resin be bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol-s epoxy resin, At least one of bisphenol-A D-ring oxygen resin and resorcinol type epoxy.
Preferably, the epoxy resin diluent is styrene oxide, phenyl glycidyl ether, paracresol glycidol Ether, 2- glycidol phenyl glycidyl ether, 2,6- 2-glycidyl phenyl glycidyl ether, phthalic acid 2-glycidyl At least one of ester, tetrahydrophthalic acid 2-glycidyl ester and hexahydrophthalic acid 2-glycidyl ester.
The present invention provides a kind of preparation method of cold mixing epoxy bitumen material described in above-mentioned technical proposal, including it is following Step:
A) pitch is added to together with asphalt flux, bituminous epoxy expanding material, bituminous epoxy curing agent common anti- It answers in kettle and is stirred, obtain the part A of epoxy bitumen material;
B) epoxy resin and epoxide diluent are added in common reaction kettle together and are stirred, obtain bituminous epoxy The part B of material;
C) by the epoxy bitumen material part A that the step a) obtains and the epoxy bitumen material part B that step b) obtains Agitating mixing, obtains epoxy bitumen material, and the weight ratio of the part A and the part B is (0.5~5): 1;
The step a) and the step b) are without sequencing.
Preferably, the step a) and b) in agitating incorporation time be each independently 5~300min, in step c) Agitating incorporation time is 5~30min.
Preferably, the step a) and b) in agitating mixing temperature be each independently room temperature~180 DEG C, in step c) Agitating mixing temperature be room temperature.
The present invention provides sides described in cold mixing epoxy bitumen material described in a kind of above-mentioned technical proposal and above-mentioned technical proposal The application method for the cold mixing epoxy bitumen material that method obtains, comprising the following steps:
According to weight ratio be (0.5~5) by the part A and part B: 1 mixes, and obtains epoxy bitumen material;
The epoxy bitumen material is directly layed in road surface, or is layed in road surface after mixing with collection with building stones.
The present invention provides a kind of cold mixing epoxy bitumen materials, including part A and part B;The part A includes following heavy The component of amount part: 100 parts of pitch;5~50 parts of asphalt flux;10~50 parts of epoxy compatibilizer;Bituminous epoxy curing agent 5~50 Part;The part B comprises the following components in parts by weight: 40~100 parts of epoxy resin, 5~50 parts of epoxide diluent;The portion A Dividing with the weight ratio of part B is (0.5~5): 1.In the present invention, the epoxy drip that asphalt flux and epoxide diluent make Green material has preferable construction mobility at room temperature, can be easy to penetrate into pavement crack to be repaired;It simultaneously can It is used with being stirred under room temperature, without carrying out heating and heat insulation transportation.At room temperature can mix use reduce epoxy bitumen material The energy consumption used, while it is possible to prevente effectively from damage of the bitumen flue gas to operator's body when heating, is truly realized green Energy-saving and environment-friendly requirement.The experimental results showed that epoxy bitumen material provided by the invention is about 180cp in 20 DEG C of viscosity.
In addition, epoxy bitumen material provided by the invention includes bituminous epoxy expanding material, matrix pitch and epoxy are improved The alternate compatibility of resin two, thus the comprehensive performance of the epoxy bitumen material improved;The experimental results showed that the present invention The average tensile strength of the epoxy bitumen material of offer is 2.53MPa, and elongation at break 255%, Marshall stability averagely may be used Up to 58KN, dynamic stability is even more to show as superfine anti-rut behavior more than 24500 times/mm;Item of the material at -20 DEG C After placing for 24 hours under part, ductile rupture is presented in material when splitting, shows the excellent low temperature resistance of this material.Peel strength is average Value is 45.7MPa, can there is preferable cementability with basic foundation.
Detailed description of the invention
Fig. 1 is the stereoscan photograph of epoxy bitumen material obtained in the embodiment of the present invention 1.
Specific embodiment
The present invention provides a kind of cold mixing epoxy bitumen materials, including part A and part B;
The part A comprises the following components in parts by weight:
The part B comprises the following components in parts by weight:
40~100 parts of epoxy resin;
5~50 parts of epoxy resin diluent;
The weight ratio of the part A and part B is (0.5~5): 1.
Well known to those skilled in the art, common modified pitch and epoxy bitumen material is semifluid paste at room temperature, Mating formation in use, must be heated under stringent high-temperature control, so that its viscosity is reached 200cp or so and could be constructed and answer With if the temperature of mixing and stirring of U.S.'s ChemCo bituminous epoxy is 121 DEG C, the temperature of mixing and stirring of Japanese TAF bituminous epoxy is 180 DEG C;And And the bituminous epoxy by having mixed and stirred gathers materials and must transport from blending station to construction site under heat-retaining condition.The present invention provides Epoxy bitumen material include the epoxy bitumen material that makes of bituminous epoxy diluent and epoxy resin diluent at room temperature With preferable construction mobility, can be easy to penetrate into pavement crack to be repaired;It can be made simultaneously with being stirred under room temperature With, without carry out heating and heat insulation transportation, while at room temperature can mix use, reduce the energy that epoxy bitumen material uses Consumption, while it is possible to prevente effectively from damage of the bitumen flue gas to operator's body when heating, is truly realized energy-saving and environment friendly Requirement.
Epoxy bitumen material provided by the invention includes part A and part B, and the weight ratio of the part A and part B is (0.5~5): 1, preferably (1~4): 1, more preferably (2~3): 1.
In the present invention, by weight, the part A includes 100 parts of pitch, and the present invention is to the pitch kind Class and source do not have special limitation, type and source using pitch well known to those skilled in the art.In the present invention In, the pitch is preferably at least one of asphalt, oxidized asphalt, coal tar pitch and lake asphalt.
In the present invention, by weight, the part A includes 5~50 parts of bituminous epoxy diluent, and preferably 10 ~45 parts, more preferably 15~40 parts.Asphalt flux is added in the present invention in asphalt material, the epoxy bitumen material made There is lower viscosity at room temperature, so that making it at room temperature has preferable construction mobility, can be easy to permeate It is repaired into pavement crack;It can be used at room temperature with building stones mix.Bituminous epoxy diluent used in the present invention With high reactivity, polymerization reaction can occur in the case where not adding or adding initiator on a small quantity and generate long-chain point Minor structure advanced optimizes the cross-linked network structure and mechanical property of prepared bituminous epoxy.That is, ring used in the present invention The viscosity of bituminous epoxy can be effectively reduced in oxygen asphalt flux when using initial stage, increases the operability of construction, is using Later period can serve as cure-crosslinking agent, improve the consolidated structures and mechanical property of bituminous epoxy.In the present invention, the ring At least one of oxygen asphalt flux styrene, methyl methacrylate, ethyl methacrylate and propyl methacrylate. The present invention does not have special limitation to the bituminous epoxy diluent source, using the commercial goods of above-mentioned asphalt flux ?.
In the present invention, by weight, the part A includes 10~50 parts of bituminous epoxy expanding material, preferably 15~45 parts, more preferably 20~40 parts.In the present invention, in the bituminous epoxy expanding material strand contained by one end Non-polar carbon chains can be effectively compatible with pitch, and epoxy group contained by the other end can effectively and epoxy resin compatibility change Matrix pitch and the alternate compatibility of epoxy resin two have been apt to it, thus the comprehensive performance of the epoxy bitumen material improved; Meanwhile epoxy group contained in strand, it can also crosslink and react with bituminous epoxy curing agent, further increase Compatibility between pitch and epoxy resin improves the mechanical strength and stability of asphalt material.In the present invention, described Bituminous epoxy expanding material is epoxidized soybean oil, epoxy stearic acid, epoxy methyl stearate, epoxy Ethyl stearate, the hard ester of epoxy Propyl propionate, epoxy butyl stearate, epoxy stearic acid pentyl ester, epoxy stearic acid heptyl ester, epoxy octyl stearate and polycyclic oxygen second At least one of alkane stearic acid.The present invention does not have special limitation to the epoxy compatibilizer source, using above-mentioned epoxy The commercial goods of expanding material.
In the present invention, by weight, the part A includes 10~50 parts of bituminous epoxy curing agent, preferably 15~45 parts, more preferably 20~40 parts, most preferably 25~35 parts.In the present invention, the bituminous epoxy curing agent is At least one of fatty amines curing agent, alicyclic ring amine curing agent, aromatic amine curing agent and polyamide-based curing agent.At this In invention, the molecular chain structure of the bituminous epoxy curing agent can form gantry knot flexible between pitch and epoxy resin Structure, the mechanical strength and stability of the asphalt material improved, effectively improves the brittleness of asphalt material, makes Epoxy bitumen material toughness with higher;Meanwhile bituminous epoxy curing agent used in the present invention is amine curing agent, is had Higher reactivity can be crosslinked at relatively low temperatures with epoxy resin and be reacted, and can be formed in the short period Relatively high solidification intensity, the quick opening after being conducive to road repair.Source of the present invention to the bituminous epoxy curing agent There is no special limitation, can use bituminous epoxy curing agent commercial goods, can such as use the trade mark for 650 polyamide ring Oxygen curing agent.
In the present invention, by weight, the part B includes 40~100 parts of epoxy resin.In the present invention, The epoxy resin is bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol-s epoxy resin, bisphenol-A D-ring oxygen At least one of resin and resorcinol type epoxy, preferably bisphenol A type epoxy resin, bisphenol-A D-ring oxygen resin and At least one of benzenediol epoxy resin.The present invention does not have special limitation to the source of the epoxy resin, using ability The commercial goods for the epoxy resin that field technique personnel approve, can such as use the trade mark for E-51, Sinopec Group Ba Ling The epoxy resin that petrochemical industry Co., Ltd sells.
In the present invention, by weight, the part B includes 5~50 parts of epoxy resin diluent, preferably 10 ~45 parts, more preferably 15~40 parts.Epoxide diluent is added in the present invention in epoxy bitumen material, the bituminous epoxy made Material has lower viscosity at room temperature, so that making it at room temperature has preferable construction mobility, it can be in room temperature Lower and building stones mix uses.Well known to those skilled in the art, epoxy resin diluent can be divided by whether having reactivity Nonactive epoxy resin diluent and active (response type) epoxy resin diluent, the effect of non-activated thinner are only to reduce The viscosity of system cannot participate in relevant chemical reaction, compared with nonactive epoxy resin diluent, active (response type) epoxy The viscosity of epoxy resin not only can be effectively reduced in diluent resin, increases construction mobility, and because contain on its strand There is the epoxy group that can be reacted, thus cross-linking reaction can be cured with bituminous epoxy curing agent, and improves epoxy resin Solidification effect, increase the toughness of epoxy resin-cured product.In the present invention, epoxy resin diluent is styrene oxidation Object, phenyl glycidyl ether, paracresol glycidol ether, 2- glycidol phenyl glycidyl ether, 2,6- 2-glycidyl benzene Base glycidol ether, o-phthalic acid diglycidyl ester, tetrahydrophthalic acid 2-glycidyl ester and hexahydro O-phthalic At least one of sour 2-glycidyl ester.The present invention does not have a special limitation to the epoxide diluent source, in use State the commercial goods of epoxide diluent, can such as use the trade mark for 632 glycidyl ether type epoxy diluent.
The present invention provides a kind of a kind of preparation methods of cold mixing epoxy bitumen material described in above-mentioned technical proposal, including with Lower step:
A) pitch is added to together with asphalt flux, bituminous epoxy expanding material, bituminous epoxy curing agent common anti- It answers in kettle and is stirred, obtain the part A of epoxy bitumen material;
B) epoxy resin and epoxide diluent are added in common reaction kettle together and are stirred, obtain bituminous epoxy The part B of material;
C) by the epoxy bitumen material part A that the step a) obtains and the epoxy bitumen material part B that step b) obtains Agitating mixing, obtains epoxy bitumen material, and the weight ratio of the part A and the part B is (0.5~5): 1;
The step a) and the step b) are without sequencing.
According to the present invention, the part A and part B with it is upper described identical, details are not described herein.
In the present invention, those skilled in the art's approval that do not mention in some above-mentioned steps can be inserted is mixed into other The step of substance.The type and additional amount of mixed substance do not have special limitation, the object approved using those skilled in the art Matter.
Pitch is first added to general by the present invention together with asphalt flux, bituminous epoxy expanding material, bituminous epoxy curing agent In logical reaction kettle, 5~300min is being stirred under conditions of room temperature~180 DEG C, is obtaining the part A of epoxy bitumen material.This Each component is directly added at one time in reaction vessel by the method that invention provides, and each in part A disclosed in the prior art Component, which is added portionwise, to be compared, and method provided by the invention carries out high speed dispersion without dedicated colloid mill, and there are no need to be passed through Nitrogen protection reaction or the complex operations using condensate return a few hours.Method and process control provided by the invention is simple, if It is standby to occupy less, as long as each component of part A is directly added at one time in common reaction kettle, it is uniformly mixed and obtains the portion A Point.In the present invention, the type and weight of the pitch, asphalt flux, bituminous epoxy expanding material and bituminous epoxy curing agent More consistent than with described in above-mentioned technical proposal, details are not described herein.
Epoxy resin is first added in common reaction kettle by the present invention together with epoxide diluent, in room temperature~180 DEG C Under conditions of stir 5~300min, obtain the part B of epoxy bitumen material.In the present invention, the epoxy resin, epoxy The type and weight ratio of diluent are consistent with described in above-mentioned technical proposal, and details are not described herein.
Well known to those skilled in the art, conventional modified pitch and epoxy bitumen material is when construction application, it is necessary to After first progress high temperature (150-180 DEG C) is mixed and stirred under special batching plant, extremely using (120 DEG C) of dedicated asphalt thermal insulation vehicle transports Construction site, there are materials to mix and stir the disadvantages of energy consumption is high, transport difficulty is big for technology.The present invention is by the part A and part B in room Mix 5~30min under warm (20 DEG C), obtain epoxy bitumen material, the weight ratio of the part A and the part B be (0.5~ 5): 1.Part A mixes under room temperature (20 DEG C) with part B in epoxy bitumen material provided by the invention, and epoxy drip can be obtained Green material, compared with prior art, epoxy bitumen material provided by the invention is without carrying out heating use and heat insulation transportation, the portion A Dividing has lower viscosity after mixing at room temperature with part B, can guarantee necessary mobility when construction.Reduce epoxy The energy consumption that asphalt material uses, while it is possible to prevente effectively from damage of the bitumen flue gas to operator's body when heating, really real The requirement of energy-saving and environment friendly is showed.In the present invention, the weight ratio of the type, part A and part B of the epoxy resin with it is upper State consistent described in technical solution, details are not described herein.
The present invention provides a kind of cold mixing epoxy bitumen material described in a kind of above-mentioned technical proposal or above-mentioned technical proposal institutes A kind of application method for cold mixing epoxy bitumen material that the method for stating obtains, comprising the following steps:
According to weight ratio be (0.5~5) by the part A and part B: 1 mixes at room temperature, and epoxy drip is obtained after stirring Green material;
The cold mixing epoxy bitumen material is directly layed in road surface, or by the cold mixing epoxy bitumen material in room After mixing with collection with building stones under temperature, it is layed in road surface.
Cold mixing epoxy bitumen material provided by the invention is before use, part A is mixed at room temperature with part B, stirring After obtain cold mixing epoxy bitumen material and be directly layed in road surface;Can also by obtained cold mixing epoxy bitumen material at room temperature with Collection is mixed with building stones, is layed in road surface.The cold mixing epoxy bitumen material that the present invention obtains can also be used in pavement seam filling repairing, can also With the more demanding occasion of the laying of arterial street, Bus stand and airport pavement and highway and bridge etc..
The present invention provides a kind of cold mixing epoxy bitumen materials, including part A and part B;The part A includes following heavy The component of amount part: 100 parts of pitch;5~50 parts of bituminous epoxy diluent;10~50 parts of bituminous epoxy expanding material;Bituminous epoxy is solid 5~50 parts of agent;The part B comprises the following components in parts by weight: 40~100 parts of epoxy resin, epoxy resin diluent 5~ 50 parts;The weight ratio of the part A and the part B is (0.5~5): 1.In the present invention, bituminous epoxy diluent and epoxy The epoxy bitumen material that diluent resin makes has preferable construction mobility at room temperature, can be easy to penetrate into road It is repaired in facial cleft seam;It can be used simultaneously with being stirred under room temperature, without carrying out heating and heat insulation transportation.It at room temperature can mix The energy consumption used using epoxy bitumen material is reduced, while it is possible to prevente effectively from bitumen flue gas is to operator's body when heating Damage, be truly realized the requirement of energy-saving and environment friendly.The experimental results showed that epoxy bitumen material provided by the invention is 20 DEG C viscosity be about 180cp.
In addition, epoxy bitumen material provided by the invention includes bituminous epoxy expanding material, matrix pitch and epoxy are improved The alternate compatibility of resin two, thus the comprehensive performance of the epoxy bitumen material improved;The experimental results showed that experiment knot Fruit shows that the average tensile strength of epoxy bitumen material provided by the invention is 2.47MPa, and elongation at break 280%, horse has a rest Your stability is average up to 60KN, and dynamic stability is even more to show as superfine anti-rut behavior more than 25000 times/mm;Material After material is placed for 24 hours under conditions of -20 DEG C, ductile rupture is presented in material when splitting, shows the excellent low temperature resistance of this material. Peel strength average value is 45MPa, can there is preferable cementability with basic foundation.
In order to further illustrate the present invention, below with reference to embodiment to epoxy bitumen material provided by the invention and its preparation Method and application method are described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Accurately weigh 30g pitch (the shell pitch that the trade mark is No. 70, similarly hereinafter), (purchase of 10g bituminous epoxy diluent styrene From Tianjin Bo Di Chemical Co., Ltd., similarly hereinafter), 17g bituminous epoxy expanding material epoxy octyl stearate (is purchased from Wuhan gold promise chemical industry Co., Ltd, similarly hereinafter), 10g epoxy hardener polyamide 6 50(is purchased from Shanghai Resin Factory Co., Ltd., similarly hereinafter), it is added to 80 DEG C Common response kettle in stir 60min, obtain the part A of epoxy bitumen material;8g epoxy resin diluent 632(is weighed to be purchased from Yu Sheng Chemical Co., Ltd., Yantai City), (trade mark E-51 is purchased from the limited duty of Sinopec Group Ba Ling petrochemical industry to 20g epoxy resin Ren company, similarly hereinafter), it is added in 80 DEG C of reaction kettle and stirs 45min, obtain the part B of epoxy bitumen material;Then by epoxy The part A of asphalt material and the part B of epoxy bitumen material, which are added in normal-temperature reaction kettle, stirs 20min, after mixing will Obtained mixed material is cooled to room temperature to get epoxy bitumen material.
The performance of epoxy resin asphalt material obtained in embodiment 1 is tested, test result such as 1 institute of table is obtained Show.
Epoxy resin asphalt material obtained in embodiment 1 is tested using scanning electron microscope, it is obtained and sweeps Electromicroscopic photograph is retouched, as shown in Figure 1.
Embodiment 2
Accurately weigh 30g pitch, 12g asphalt flux styrene, 15g bituminous epoxy expanding material epoxy octyl stearate, 12g epoxy hardener polyamide 6 50 is added in 80 DEG C of common response kettle and stirs 60min, obtains the A of epoxy bitumen material Part;8g epoxy resin diluent 632 is weighed, 20g epoxy resin is added in 80 DEG C of reaction kettle and stirs 45min, obtains ring The part B of oxygen asphalt material;Then it is anti-the part B of the part A of epoxy bitumen material and epoxy bitumen material to be added to room temperature It answers and stirs 20min in kettle, obtained mixed material is cooled to room temperature to get epoxy bitumen material after mixing.
The performance of epoxy bitumen material obtained in embodiment 2 is tested, it is as shown in table 1 to obtain test result.
Embodiment 3
Accurately weigh 30g pitch, 10g bituminous epoxy diluent methyl methacrylate, 15g bituminous epoxy expanding material epoxy Octyl stearate, 12g epoxy hardener polyamide 6 50 are added in 80 DEG C of common response kettle and stir 60min, obtain epoxy The part A of asphalt material;10g epoxy resin diluent 632 is weighed, 20g epoxy resin is added in 80 DEG C of reaction kettle and stirs 45min obtains the part B of epoxy bitumen material;Then by the part B of the part A of epoxy bitumen material and epoxy bitumen material It is added in normal-temperature reaction kettle and stirs 20min, obtained mixed material is cooled to room temperature to get bituminous epoxy after mixing Material.
The performance of epoxy bitumen material obtained in embodiment 3 is tested, it is as shown in table 1 to obtain test result.
Embodiment 4
4.1 accurately weigh 300g pitch, 100g bituminous epoxy diluent methyl methacrylate, 170g bituminous epoxy increase-volume Agent epoxy octyl stearate, 100g epoxy hardener polyamide 6 50 are added in common response kettle at room temperature and stir 60min, Obtain the part A of epoxy bitumen material;80g epoxy resin diluent 632 is weighed, 200g epoxy resin is added at room temperature 60min is stirred in reaction kettle, obtains the part B of epoxy bitumen material;Then by the part A of epoxy bitumen material and bituminous epoxy The part B of material, which is added in normal-temperature reaction kettle, stirs 30min, is after mixing cooled to room temperature obtained mixed material, Up to epoxy bitumen material.
4.2 integrating the epoxy bitumen material obtained obtained in 4.1 and AC-10 with building stones by bitumen aggregate ratio as 7.0%:1's Ratio mixing, obtains epoxy asphalt concrete material.
The performance of epoxy asphalt concrete material obtained in epoxy bitumen material and 4.2 obtained in 4.1 is surveyed Examination, it is as shown in table 1 to obtain test result.
The performance for the asphalt material that the present invention detects, detailed process is as follows:
According to standard No. be GBT1040.3-2006 national standard " the measurement third portion of plastic tensile performance: it is thin modeling and The experimental condition of thin slice " in record method the tensile strength and elongation at break of obtained epoxy bitumen material are examined It surveys.
National standard " the adhesive 180 degree peeling strength test method flexibility material for being GB/T2790-1995 according to standard No. Expect to rigid material " in record method the peel strength of obtained epoxy bitumen material is detected.
In the professional standard " highway engineering pitch and Asphalt Mixture Experiment regulation " for being JTJ052-2000 according to standard No. The operable time of the epoxy bitumen material that the method test of record obtains, thermosetting property, Marshall stability, dynamic stability, Freeze-thaw split intensity ratio, anti-stretch bending strength, bending-type panel and maximum flexural-tensile strain.
The low temperature splitting of epoxy bitumen material is that the bituminous epoxy plate of completion of cure is prepared into trousers shape tearing batten, It after being placed for 24 hours under conditions of -20 DEG C, is stretched immediately with cupping machine after having taken, sets tensile speed as 100mm/min, Measuring temperature is 23 ± 2 DEG C, until batten is broken, shoots section situation in optical microscopy.
Table 1 is the performance test of epoxy bitumen material and epoxy asphalt concrete material that the embodiment of the present invention 1~4 obtains As a result.
The performance test results of table 1 bituminous epoxy and epoxy asphalt concrete material
As can be seen from Table 1, the tensile strength average value after epoxy bitumen material solidifies is 2.53Pa, and fracture elongation is flat Mean value is 255%, considerably beyond U.S.'s bituminous epoxy technical indicator (tensile strength >=1.5Mpa, fracture elongation >=200%) Requirement, it was demonstrated that this kind of material has taken into account intensity and toughness this two big index well.
The horse for bituminous concrete mixture after health that epoxy bitumen material provided by the invention and building stones are mixed to get Xie Er stability has reached 58KN, embodies the superior elasticity and bonding capacity of this epoxy bitumen material, reflects from side The excellent the mechanical properties and performance of this kind of epoxy asphalt mixture.
For epoxy asphalt mixture of the present invention after Frozen-thawed cycled, freeze-thaw split intensity is averagely up to 90%, is more than technical indicator Required 75%, illustrate this material has more excellent water stabilizing.
After the completion of dynamic stability test under the conditions of 80 DEG C, dynamic stability reaches 24500 times/mm or more.Excellent anti-vehicle Rut ability embodies the outstanding high temperature stability performance of obtained epoxy asphalt mixture of the invention, can meet steel box girder bridge face very well Pavement performance at a high temperature of 70 DEG C of summer avoids occurring track disease under high temperature.
Low temperature bend test result meets technical indicator well, embodies the epoxy asphalt mixture that the present invention obtains While possessing high intensity, it may have good low-temperature cracking-resistance.The flexibility of its low temperature becomes for meeting steel box girder bridge face The larger feature meaning of shape is very great.
As seen from the above embodiment, the present invention provides a kind of epoxy bitumen materials, including part A and part B;The A Part comprises the following components in parts by weight: 100 parts of pitch;5~50 parts of bituminous epoxy diluent;Bituminous epoxy expanding material 10~50 Part;5~50 parts of bituminous epoxy curing agent;The part B comprises the following components in parts by weight: 40~100 parts of epoxy resin, epoxy 5~50 parts of diluent resin;The weight ratio of the part A and the part B is (0.5~5): 1.In the present invention, epoxy is dilute Releasing epoxy bitumen material that agent makes at room temperature has preferable construction mobility, thus make its without heat using and Heat insulation transportation can be used at room temperature with building stones mix, and have longer operable time.At room temperature can mix make The energy consumption used with epoxy bitumen material is reduced, while it is possible to prevente effectively from bitumen flue gas is to operator's body when heating Damage, is truly realized the requirement of energy-saving and environment friendly.The experimental results showed that epoxy bitumen material provided by the invention is at 20 DEG C Viscosity be about 180cp, at room temperature i.e. have lower viscosity, ensure that necessary mobility when use;Viscosity reaches The time of 1000cp is 86.7min, so that epoxy bitumen material has longer operable time, slows down construction pressure significantly Power.
In addition, epoxy bitumen material provided by the invention includes epoxy compatibilizer, matrix pitch and epoxy resin are improved Two alternate compatibilities, thus the comprehensive performance of the epoxy bitumen material improved;And in the present invention, bituminous epoxy Curing agent can form portal structure flexible between pitch and epoxy resin, further increase between pitch and epoxy resin Compatibility, improve the mechanical strength and stability of asphalt material, effectively improve the brittleness of asphalt material, the ring made Oxygen asphalt material toughness with higher.The experimental results showed that the experimental results showed that, epoxy bitumen material provided by the invention Average tensile strength is 2.53MPa, and elongation at break 255%, Marshall stability is average up to 58KN, and dynamic stability is even more More than 24500 times/mm, superfine anti-rut behavior is shown as;After material is placed for 24 hours under conditions of -20 DEG C, when splitting Ductile rupture is presented in material, shows the excellent low temperature resistance of this material.Peel strength average value is 45.7MPa, can be with basis Ground has preferable cementability.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (7)

1. a kind of cold mixing epoxy bitumen material, is made of part A and part B;
The part A is grouped as by the group of following parts by weight:
The part B is grouped as by the group of following parts by weight:
40~100 parts of epoxy resin;
5~50 parts of epoxy resin diluent;
The weight ratio of the part A and part B is (0.5~5): 1;The bituminous epoxy diluent is styrene, metering system At least one of sour methyl esters, ethyl methacrylate and propyl methacrylate;
The bituminous epoxy expanding material be epoxidized soybean oil, epoxy stearic acid, epoxy methyl stearate, epoxy Ethyl stearate, Epoxy stearic acid propyl ester, epoxy butyl stearate, epoxy stearic acid pentyl ester, the own ester of epoxy stearic acid, epoxy stearic acid heptyl ester, ring At least one of oxygen octyl stearate and polyethylene oxide stearic acid;
The epoxy resin diluent is styrene oxide, phenyl glycidyl ether, 2- toluene glycidol ether, paracresol contracting Water glycerin ether, 2- glycidol phenyl glycidyl ether, 2,6- 2-glycidyl phenyl glycidyl ether, N, N- bis- (shrink sweet Oil base) aniline, benzyl glycidyl ether, o-phthalic acid diglycidyl ester, tetrahydrophthalic acid 2-glycidyl ester, six At least one of hydrogen o-phthalic acid diglycidyl ester.
2. cold mixing epoxy bitumen material according to claim 1, which is characterized in that the bituminous epoxy curing agent is fat At least one of amine curing agent, alicyclic ring amine curing agent, aromatic amine curing agent and polyamide-based curing agent.
3. cold mixing epoxy bitumen material according to claim 1, which is characterized in that the epoxy resin is bisphenol-A type ring In oxygen resin, bisphenol f type epoxy resin, bisphenol-s epoxy resin, bisphenol-A D-ring oxygen resin and resorcinol type epoxy It is at least one.
4. a kind of preparation method of cold mixing epoxy bitumen material described in claims 1 to 3 any one, comprising the following steps:
A) pitch is added to together with bituminous epoxy diluent, bituminous epoxy expanding material, bituminous epoxy curing agent common anti- It answers in kettle and is stirred, obtain the part A of epoxy bitumen material;
B) epoxy resin and epoxy resin diluent are added in common reaction kettle together and are stirred, obtain bituminous epoxy The part B of material;
C) the epoxy bitumen material part A that the step a) is obtained and the epoxy bitumen material part B that step b) is obtained are stirred Mixing, obtains epoxy bitumen material, and the weight ratio of the part A and part B is (0.5~5): 1;
The step a) and the step b) are without sequencing.
5. the preparation method according to claim 4, which is characterized in that the step a) and b) in be stirred the time each From 5~300min independently is, the time that is stirred in step c) is 5~30min.
6. preparation method according to claim 4 or 5, which is characterized in that the step a) with b) in agitating mix temperature Degree is each independently room temperature~180 DEG C, and the temperature that is stirred in step c) is room temperature.
7. cold mixing epoxy bitumen material described in a kind of claims 1 to 3 any one or claim 4~6 any one institute The application method of the cold mixing epoxy bitumen material of preparation, comprising the following steps:
According to weight ratio be (0.5~5) by the part A and part B: 1 mixes, and obtains epoxy bitumen material;
The epoxy bitumen material is directly layed in road surface, or is layed in road surface after mixing with collection with building stones.
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