CN101955673A - Thermosetting epoxy asphalt material and preparation method thereof - Google Patents
Thermosetting epoxy asphalt material and preparation method thereof Download PDFInfo
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- CN101955673A CN101955673A CN201010511283.8A CN201010511283A CN101955673A CN 101955673 A CN101955673 A CN 101955673A CN 201010511283 A CN201010511283 A CN 201010511283A CN 101955673 A CN101955673 A CN 101955673A
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Abstract
The invention relates to a thermosetting epoxy asphalt material and a preparation method thereof, which are mainly used in field of buildings. The thermosetting epoxy asphalt material is characterized by being prepared from the following raw materials in part by weight: 100 parts of asphalt, 20 to 40 parts of epoxy resin, 20 to 40 parts of vulcanizer, 20 to 40 parts of curing agent, 0.3 to 1.2 parts of curing accelerator and 20 to 60 parts of oleoylchloride thermosetting epoxy asphalt compatibilizer. In the thermosetting epoxy asphalt material prepared by the method, the asphalt and the epoxy resin are uniformly mixed.
Description
Technical field
The present invention relates to a kind of thermosetting epoxy asphalt material and preparation method thereof, be mainly used in the building field.
Background technology
Pitch has good water-fast, moistureproof, non-corrosibility, and its aboundresources, and price is lower, is used to ground surface material and water-proof material etc. for a long time always.But, make it higher to temperature sensitivity because the bituminous relative molecular weight is low and its molecular weight distribution broad.When elevated temperature, the bituminous strength degradation; Bituminous material becomes fragile when reducing temperature.So limited the bituminous widespread use to a great extent.
Along with the fast development of highway in China construction, among national trunk road network is forming, a large amount of makings of high-grade highway, the construction of long-span bridge beam.Make the use of road bitumen material more and more seem important and general.China belongs to the country in many lakes, many rivers, Longspan Bridge is used widely in road construction, the long-span bridge beam has structure key light weight, transports and set up characteristics such as convenience, short construction period, though the bridge deck structure of Longspan Bridge have construction simple, from the advantage of heavy and light, it is more and more outstanding that the problem of deck paving also seems.Especially bridge floor is easy to produce early damage.Because the bituminous concrete resistance to elevated temperatures is poor, and steel construction belongs to the good conductor of heat, and during summer high temperature, pass easily at the interface between carload and pyritous coupling lower steel plate and bituminous concrete; Simultaneously, because bituminous concrete has certain space, rainwater easily sees through oil mat and oozes to surface of steel plate, under the acting in conjunction of water and air, the water-proof tack coat of surface of steel plate subjects to destroy, and then reduces the interface binding intensity between steel plate and the bituminous concrete.Make will occur when steel box girder bridge runs into summer high temperature in various degree passing, hold together diseases such as bag and rut.Need asphalt that stronger deformability is arranged during winter.Therefore, the pitch that the steel bridge deck paving is used not only needs the excellent high-temperature rutting resistance, low temperature cracking resistance ability, and need good antifatigue deformability.Obviously.Plain asphalt can not satisfy above-mentioned requirements, has only pitch is carried out modification, could satisfy above-mentioned requirements.
One is meant polymer modified asphalt modifying asphalt, and the type of polymer that is used for modification is a lot, and one is commonly used natural rubber, styrene-butadiene rubber(SBR), styrene butadiene block copolymer, polyethylene, ethene one acetate ethylene copolymer and Resins, epoxy etc.Wherein epoxy modified asphalt is usually used in the modified asphalt material that motorway and bridge are used.In CN1546571, provided the epoxy bitumen material that comprises the modification of usefulness polyisobutylene butanedioic anhydride that a kind of motorway and bridge are used.In CN1952012, provided thermosetting epoxy asphalt material that a kind of use contains the senior fatty carbon chain of low-pole and strong polar mannich base or Resins, epoxy and the dedicated compatibilizer modification of the epoxy bitumen material of the compound of polyvalent alcohol composition, it must not carry out chemical modification to pitch, do not need to limit the bituminous kind yet, only need in pitch, add dedicated compatibilizer, cooperate conventional Resins, epoxy and solidifying agent just can form thermosetting epoxy asphalt material.In CN101003688, provided relate to a kind of with pitch, solidifying agent, promotor, the high performance pavement material of epoxy asphalt that defoamer is formed.It has good solidity to corrosion, water tolerance, weathering resistance, resistance to fatigue, high temperature creep resistant and low temperature resistance to brittle fracture.In CN101020601, provided a kind of poured epoxytar laying of roadway material with modification alkylphenol, glycidyl ether modification.It is a kind ofly have that construction temperature is low, good fluidity, the poured epoxytar concrete material easily of constructing.USP6399680 has provided with the sulfuric acid of the 0.02-3% of modifying asphalt total amount, phosphoric acid, Glacial acetic acid or nitric acid and has done promotor, contains the modifying asphalt that the multipolymer of epoxy group(ing) of the 0.2-15% of modifying asphalt total amount is made; Provided among the USP4162998 with polyamines and epoxy resin modification bituminous method; USP5576363 has provided the method for preparing the two-pack modified asphalt material with modifications such as multipolymer that contains epoxide group and carboxylic acids; USP4360608 has provided with pitch, the epoxy bitumen material that Resins, epoxy and polyether glycol expanding material are formed, and as road surfacing material, it has thermal deformation resistant ability and trickling property preferably.Provided the modifying asphalt that the modifying asphalt that contains the mineral acid group and linearity or branched polymers prepare among the USP5095055, the road surface of laying this kind material has the visco-elasticity of the property improved, and softening temperature raises, the storage-stable property improvement.Provided the polymer modified asphalt material that total amount 0.1-5% contains epoxide group among the USP5306750, the polymkeric substance that contains epoxide group forms external phase in pitch, obtain having anti-rut thus, low temperature cracking resistance, the thermosetting modification pitch of anti-flexible fracture and the wet destructiveness of moisture resistance.In the thermoplastic polymer modifying asphalt, because Resins, epoxy and bituminous consistency are poor, do not form netted crosslinking structure by the pitch in the thermoplastic polymer modifying asphalt, Resins, epoxy and polymkeric substance, of long duration from asphalt component, separate out easily, thereby cause the downgrade of modifying asphalt.In the thermosetting epoxy resin modifying asphalt, be that a small amount of Resins, epoxy is added in the pitch, warp and solidifying agent generation curing reaction, form the irreversible solidifying agent of cross-linked network, its curing reaction makes pitch from the thermoplasticity converted into thermoset, therefore thermosetting epoxy asphalt have than the plain asphalt excellence physics, the mechanical property of Duoing, as high strength, good anti-fatigue performance, favorable durability and ageing resistance etc.
Summary of the invention
The purpose of this invention is to provide a kind of thermosetting epoxy asphalt material and preparation method thereof, thermosetting epoxy asphalt material medium pitch and Resins, epoxy mixing uniformity that this method obtains are good.
To achieve these goals, technical scheme that the present invention takes is: a kind of thermosetting epoxy asphalt material, it is characterized in that it forms by comprising pitch, Resins, epoxy, vulcanizing agent, solidifying agent, curing catalyst and oleoyl chloride thermosetting epoxy asphalt expanding material feedstock production, the shared parts by weight of each raw material are: 100 parts of pitches, Resins, epoxy 20-40 part, vulcanizing agent 20-40 part, solidifying agent 20-40 part, curing catalyst 0.3-1.2 part, oleoyl chloride thermosetting epoxy asphalt expanding material 20-60 part.
The preparation method of above-mentioned a kind of thermosetting epoxy asphalt material is characterized in that it comprises the steps:
1) by the shared parts by weight of each raw material is: 100 parts of pitches, Resins, epoxy 20-40 part, vulcanizing agent 20-40 part, solidifying agent 20-40 part, curing catalyst 0.3-1.2 part, oleoyl chloride thermosetting epoxy asphalt expanding material 20-60 part, choose pitch, Resins, epoxy, vulcanizing agent, solidifying agent, curing catalyst and oleoyl chloride thermosetting epoxy asphalt expanding material, standby;
2) pitch, Resins, epoxy, vulcanizing agent, solidifying agent, curing catalyst and oleoyl chloride thermosetting epoxy asphalt expanding material are mixed, be heated to 80-90 ℃, stir, 100-120 ℃ solidified 0.5-6 hour down again, obtained thermosetting epoxy asphalt material.
Described pitch is petroleum pitch or coal-tar pitch.Petroleum pitch comprises 70
#, 90
#, 100
#National highway, one-level road, town and country bitumen for road use, SBS modifying asphalt, 10
#Waterproof building material pitch, 2
#Pipeline corrosion protection pitch.
Described Resins, epoxy is Resins, epoxy E-51, epoxy resin E-44, Resins, epoxy E-42 or Resins, epoxy E-41 etc.
Described vulcanizing agent is a vulcanizer, for example: sulphur or tetramethyl-thiuram disulfide etc.
Described solidifying agent is acid anhydride type curing agent or the amine curing agent that is used for cured epoxy resin.For example: methyl tetrahydro phthalic anhydride, Tetra hydro Phthalic anhydride, methyl hexahydrophthalic anhydride, different Fu Er ketone diamines, polymeric amide polyamines or 4,4-diaminodiphenylmethane etc.
Described curing catalyst is the tertiary amines curing catalyst, for example: 2,4,6-three (dimethylamino methyl) phenol etc.
Described raw material also comprises building stones, and the shared weight part of building stones is 1000 parts (in an embodiment, can admix 1000 parts of weight building stones when mixing).
The preparation method of described oleoyl chloride thermosetting epoxy asphalt expanding material, it comprises the steps:
1) preparation of oleoyl chloride: be by the shared parts by weight of each raw material: 100 parts in lipid acid, chloride reagent 16.5-17 part, organic solvent 110-120 part, choose lipid acid, chloride reagent and organic solvent; Lipid acid and chloride reagent are added in the organic solvent,, isolate lower sediment thing (abandoning throw out), steam organic solvent, obtain oleoyl chloride in 50-60 ℃ of reaction 4-5 hour;
2) by the shared parts by weight of each raw material be: 100 parts of Resins, epoxy, basic solution 17.5-20 part, oleoyl chloride 298-335 part, acetone 200-380 part, toluene 300-360 part, pyridine 70-90 part, acetate 40-50, vitriol oil 5.4-6 part, hydrogen peroxide 22-30 part, choose Resins, epoxy, basic solution, oleoyl chloride, acetone, toluene, pyridine, acetate, the vitriol oil and hydrogen peroxide, wherein, the concentration of basic solution is 5wt%-8wt%; Resins, epoxy, acetone and basic solution are mixed, at 35 ℃ of following hydrolysis 1-2 hours; Add oleoyl chloride, toluene and pyridine then, reacted 2-2.5 hour down, tell lower floor's white precipitate, obtain solution product with separating funnel in 55-65 ℃; Resulting solution product and acetate, the vitriol oil is miscible, splash into hydrogen peroxide again in 30-55 ℃ of epoxidation reaction 1-3 hour, oleoyl chloride thermosetting epoxy asphalt expanding material (being called for short the thermosetting epoxy asphalt expanding material).
Described lipid acid is the unsaturated fatty acids that contains 16-22 carbon atom, or both mixtures.As any one in stearic acid, oleic acid, undecylenic acid, the lauroleic acid etc. or any mixing more than two kinds, any is any proportioning when mixing more than two kinds.
Described chloride reagent is phosphorus trichloride or dimethyl sulfoxide (DMSO) etc.
Described organic solvent is trichloromethane or toluene.
Described Resins, epoxy is Resins, epoxy E-51, epoxy resin E-44, Resins, epoxy E-42 or Resins, epoxy E-41 etc.
Described basic solution is the NaOH aqueous solution.
Resultant oleoyl chloride thermosetting epoxy asphalt expanding material, its structural formula comprise following three kinds of structural formulas:
Structural formula (1):
Structural formula (2):
Structural formula (3):
Wherein A is the dihydroxyphenyl propane group
Described dihydroxyphenyl propane group can obtain from bisphenol A type epoxy resin E-51, E-44, E-42 etc.Senior fatty carbon chain group and epoxide group exist simultaneously.
The action principle that thermosetting epoxy asphalt expanding material of the present invention prepares thermosetting epoxy asphalt material is as follows: thermosetting epoxy asphalt expanding material (modified epoxy expanding material) is the compound that contains the strong polar group that the unsaturated senior fatty carbon chain group of low-pole is connected with Resins, epoxy, the middle-and-high-ranking fatty carbon chain group of this compound is connected with four active groups (or two active groups) of Resins, epoxy, and the common trait of expanding material is all to contain the strong polar structure that the weak senior fatty carbon chain of polarity and the strong epoxy group(ing) of polarity are formed in the molecular structure.The compatibilization of expanding material in pitch and Resins, epoxy is similar to the emulsifying effect of tensio-active agent in You Heshui.The senior fatty carbon chain and the pitch of low-pole is more affine in the expanding material molecular structure, and strong polar part is more affine with Resins, epoxy, simultaneously; Vulcanization reaction takes place in the unsaturated double-bond of low-pole and pitch under the vulcanizing agent effect, strong polar epoxy group(ing) under the effect of solidifying agent and curing catalyst with Resins, epoxy generation curing reaction, make pitch and Resins, epoxy blended purpose more equably thereby reach.
Embodiment 1 has represented the feature of prepared expanding material, from their infared spectrum, can see, the absorption peak of alkyl has, this makes expanding material affinity preferably to be arranged with pitch, the absorption peak that unsaturated double-bond is arranged simultaneously can carry out vulcanization crosslinking under the effect of vulcanizing agent.Phenyl ring and epoxy group(ing) are then given the expanding material molecule with strong polarity, simultaneously can be under the solidifying agent effect, with Resins, epoxy generation curing cross-linking reaction.This molecular structure has determined the compatibilization of expanding material in pitch and Resins, epoxy.
The general formula of molecular structure of thermosetting epoxy asphalt expanding material is as follows:
Described senior unsaturated fatty acids carbochain part can be that some carbon atom quantities are formed at the higher fatty acid of 11-22.As: stearic acid, oleic acid, undecylenic acid, lauroleic acid etc.Strong polarity partly is epoxy group(ing).
The present invention compared with prior art has following beneficial effect:
1, the major advantage of the thermosetting epoxy asphalt material (being epoxy asphalt concrete) of thermosetting epoxy asphalt expanding material preparation is: intensity height, rigidity are big; Under 20 ℃ of normal temperature, the curved stiffness modulus that draws of epoxy asphalt concrete is up to 12000MPa, and the plain asphalt concrete only is 3000MPa.Anti-plasticity and permanent deformation are strong during high temperature, and crack resistance at low-temperature is good.Epoxy asphalt concrete almost is 10 to 30 times of plain asphalt concrete fatigue life-span because the intensity height under same stress level, shows fabulous anti-fatigue performance.Epoxy asphalt concrete has the ability that opposing chemical substance highly comprises fuel and oil corrosion.
2, the present invention need not carry out chemical modification to pitch, can enlarge bituminous like this and use kind.Only need in pitch, to add expanding material, cooperate conventional Resins, epoxy and solidifying agent thereof, curing catalyst just can form thermosetting epoxy asphalt material again, simple to operate, with low cost.The coal-tar pitch of asphalt stone non-modified of the present invention or petroleum pitch.And provided the modifying asphalt that comprises band carboxyl or anhydride group that a kind of bridge uses, the thermosetting epoxy asphalt material of aliphatic dibasic acid, dimeracid or Synolac among the preparation method CN1837290 of existing thermoset bituminous material.
3, in the thermosetting epoxy asphalt material of the present invention, because the compatibilization of the expanding material that adds, described epoxy resin ingredient is applicable to most Resins, epoxy, as glycidyl ether based epoxy resin, glycidyl ester based epoxy resin, Racemic glycidol amine epoxy resin, aliphatic category Resins, epoxy or cycloaliphatic epoxy resin, not only to be suitable for a single class, make the raw material selectable range of preparation thermosetting epoxy asphalt material enlarge like this, broad selection space is provided for reducing cost.And the bituminous epoxy constituent, the epoxy asphalt pavement miscellany that epoxy resin component are provided and have utilized this constituent to make among the existing thermoset bitumen production method CN101130622.Wherein epoxy resin component is 300～1500, includes the diglycidyl ether bisphenol A type epoxy resin of 2 above epoxy group(ing) and molecular weight are 500～2000, molecular structure includes 2.2 above epoxy group(ing) novolac glycidyl ethers Resins, epoxy etc. at molecular structure to be host with molecular weight, and is the epoxy resin component of stiffening agent with the Polyurethane.
4, the senior fatty carbon chain of expanding material of the present invention partly is a unsaturated fatty acids, and polarity partly is epoxide group.Vulcanization reaction can take place with pitch in unsaturated group under the effect of vulcanizing agent, curing reaction can take place with Resins, epoxy in epoxy group(ing) under the effect of solidifying agent and curing catalyst, can make pitch, Resins, epoxy, expanding material form three-dimensional cross-linked reticulated structure like this.And existing thermoset bitumen production method CN1952012 has prepared a kind of expanding material, this expanding material is that the form with disperse phase distributes wherein equably in pitch, between pitch and Resins, epoxy, play an instrumentality, to reduce the interfacial tension between Resins, epoxy and pitch two interfaces.
5, expanding material of the present invention can with pitch and Resins, epoxy generation chemical crosslink reaction, thereby help strengthening the intensity of thermosetting epoxy asphalt.
6, owing to the bisphenol A type epoxy resin wide material sources, and among the present invention, the first-selected bisphenol A epoxide resin of selected raw material epoxy resin, this can reduce this production cost of products greatly.
7, the present invention adds building stones in the preparation of thermoset bituminous, can further increase its intensity.
Description of drawings
Fig. 1 is in the embodiment of the invention 1 used 70
#The bituminous infared spectrum.
Fig. 2 is the infared spectrum of thermosetting epoxy asphalt material in the embodiment of the invention 1.
Fig. 3 is the infared spectrum of gained oleoyl chloride thermosetting epoxy asphalt expanding material in the embodiment of the invention 1.
Fig. 4 is the scanning electron photomicrograph (100 *) of thermosetting epoxy asphalt material in the embodiment of the invention 1.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1:
One, the preparation method of oleoyl chloride thermosetting epoxy asphalt expanding material, it comprises the steps:
1) preparation of oleoyl chloride: in the 500mL there-necked flask of constant temperature oil bath, whipping appts, reflux is housed, add 126 gram oleic acid, 21 gram phosphorus trichlorides, 140 gram trichloromethanes, be warming up to 50 ℃ of reactions 4 hours, isolate the lower sediment thing, steam solvent (trichloromethane), obtain 134 gram oleoyl chlorides.
2) 40 gram Resins, epoxy E-51,80 gram acetone are joined in the 250mL there-necked flask, stirring fully is dissolved in the acetone Resins, epoxy, is warming up to 35 ℃, drips the 7 gram 5wt%NaOH aqueous solution, reacted 1.5 hours down at 35 ℃ after dripping fully, obtain hydrolysis Resins, epoxy.Get 134 gram oleoyl chlorides and join the 500mL there-necked flask with hydrolysis Resins, epoxy (40 gram), 120 gram toluene, the 36 gram pyridines that this step obtains, be warming up to 65 ℃ of stirring reactions 2 hours, tell lower floor's white precipitate with separating funnel, obtain solution product (127 gram); The solution product of gained and 20 gram acetate, the 2.4 gram vitriol oils (commercially available) are added in the 500ml there-necked flasks, slowly splash into 12 gram hydrogen peroxide, again in 45 ℃ of following epoxidation reactions 1 hour, oleoyl chloride thermosetting epoxy asphalt expanding material.
Resulting a kind of oleoyl chloride thermosetting epoxy asphalt expanding material, its structural formula comprises following three kinds of structural formulas:
Structural formula (1):
Structural formula (2):
Structural formula (3):
Wherein A is the dihydroxyphenyl propane group
Two, a kind of preparation method of thermosetting epoxy asphalt material, it comprises the steps: No. 70 pitches of 100 gram shell, 35 gram epoxy resin E-44s, 40 gram expanding materials (oleoyl chloride thermosetting epoxy asphalt expanding material), 40 gram vulcanizing agents (tetramethyl-thiuram disulfide), 20 gram methyl tetrahydro phthalic anhydrides and 0.7 gram 2,4,6-three (dimethylamino methyl) phenol (DMP-30) mixes, be heated to 85 ℃ and stir, put into 120 ℃ of curing ovens 3 hours, get thermosetting epoxy asphalt material.
Among Fig. 1 70
#The contrast of the infared spectrum of thermosetting epoxy asphalt material among bituminous infared spectrum and Fig. 2, the group that the thermosetting epoxy asphalt material that utilizes oleoyl chloride thermosetting epoxy asphalt expanding material to prepare is as can be seen given prominence to illustrates pitch has been carried out chemical modification.Fig. 3 illustrates and contains experiment required epoxy group(ing) and double bond functional group in the gained oleoyl chloride thermosetting epoxy asphalt expanding material, can carry out chemical reaction with Resins, epoxy and pitch.
The effect experiment: oleoyl chloride thermosetting epoxy asphalt expanding material of the present invention is playing a crucial role in the thermosetting epoxy asphalt system, by respectively with Resins, epoxy and pitch generation chemical crosslink reaction, the material that makes these two kinds of solubility parameters of polar Resins, epoxy and nonpolar pitch differ bigger can mix uniformly.The mass ratio of No. 70 pitches of shell, epoxy resin E-44, oleoyl chloride thermosetting epoxy asphalt expanding material, TMTD, methyl tetrahydro phthalic anhydride, DMP-30 is 10: 3.5: 4: 4: 2: 0.7; With tetramethyl-thiuram disulfide (TMTD) as vulcanizing agent, methyl tetrahydro phthalic anhydride is as solidifying agent, and DMP-30 is as curing catalyst, the mixed solution of Resins, epoxy, pitch, expanding material is heated to 85 ℃ mixes, get mixed solution and be coated onto on the slide glass, solidified 3 hours at 120 ℃ again.Microtexture with the sem observation thermosetting epoxy asphalt material.Show as the SEM photo among Fig. 4, Resins, epoxy, pitch, expanding material can form cross-linked network, illustrate that the oleoyl chloride thermosetting epoxy asphalt expanding material that this method obtains can make pitch and Resins, epoxy mix more equably, promptly the thermosetting epoxy asphalt material medium pitch and the Resins, epoxy mixing uniformity that obtain of this method is good.
Embodiment 2:
One, the preparation method of oleoyl chloride thermosetting epoxy asphalt expanding material, it comprises the steps:
1) preparation of oleoyl chloride: in the 500mL there-necked flask of constant temperature oil bath, whipping appts, reflux is housed, add 100 gram stearic acid, 17 gram phosphorus trichlorides, 120 gram trichloromethanes, be warming up to 50 ℃ of reactions 5 hours, isolate the lower sediment thing, steam solvent (trichloromethane), obtain oleoyl chloride.
2) 100 gram epoxy resin E-44s, 200 gram acetone are joined in the 500mL there-necked flask, stirring fully is dissolved in the acetone Resins, epoxy, is warming up to 35 ℃, drips the 20 gram 5wt%NaOH aqueous solution, reacted 1.5 hours down at 35 ℃ after dripping fully, obtain hydrolysis Resins, epoxy.Get 298 gram oleoyl chlorides and join the 500mL there-necked flask, be warming up to 55 ℃ of stirring reactions 2 hours, tell lower floor's white precipitate, obtain solution product with separating funnel with hydrolysis Resins, epoxy, 300 gram toluene, the 70 gram pyridines that this step obtains; The solution product of gained and 40 gram acetate, the 5.4 gram vitriol oils (commercially available) are added in the 500ml there-necked flasks, slowly splash into 22 gram hydrogen peroxide, again in 45 ℃ of following epoxidation reactions 1 hour, oleoyl chloride thermosetting epoxy asphalt expanding material.
Two, a kind of preparation method of thermosetting epoxy asphalt material, it comprises the steps: 100 gram petroleum pitch (Shandong board AH-90 heavy duty road asphalt), 20 gram Resins, epoxy E-51,20 gram expanding materials (oleoyl chloride thermosetting epoxy asphalt expanding material), 20 gram vulcanizing agents (sulphur), 20 gram Tetra hydro Phthalic anhydrides and 0.3 gram 2,4,6-three (dimethylamino methyl) phenol (DMP-30) mixes, being heated to 80 ℃ stirs, put into 100 ℃ of curing ovens 3 hours, and obtained thermosetting epoxy asphalt material.
Microtexture with the sem observation thermosetting epoxy asphalt material, the SEM photo shows, Resins, epoxy, pitch, expanding material can form cross-linked network, illustrate that the oleoyl chloride thermosetting epoxy asphalt expanding material that this method obtains can make pitch and Resins, epoxy mix more equably, promptly the thermosetting epoxy asphalt material medium pitch and the Resins, epoxy mixing uniformity that obtain of this method is good.
Embodiment 3:
One, the preparation method of oleoyl chloride thermosetting epoxy asphalt expanding material, it comprises the steps:
1) preparation of oleoyl chloride: in the 500mL there-necked flask of constant temperature oil bath, whipping appts, reflux is housed, add 100 gram undecylenic acids, 17 gram dimethyl sulfoxide (DMSO), 120 gram toluene, be warming up to 60 ℃ of reactions 4 hours, isolate the lower sediment thing, steam solvent (toluene), obtain oleoyl chloride.
2) 100 gram Resins, epoxy E-42,380 gram acetone are joined in the 500mL there-necked flask, stirring fully is dissolved in the acetone Resins, epoxy, is warming up to 35 ℃, drips the 20 gram 8wt%NaOH aqueous solution, reacted 1.0 hours down at 35 ℃ after dripping fully, obtain hydrolysis Resins, epoxy.Get 298 gram oleoyl chlorides and join the 500mL there-necked flask, be warming up to 55 ℃ of stirring reactions 2.5 hours, tell lower floor's white precipitate, obtain solution product with separating funnel with hydrolysis Resins, epoxy, 353 gram toluene, the 70 gram pyridines that this step obtains; The solution product of gained and 41 gram acetate, the 5.7 gram vitriol oils (commercially available) are added in the 500ml there-necked flasks, slowly splash into 24 gram hydrogen peroxide, again in 55 ℃ of following epoxidation reactions 3 hours, oleoyl chloride thermosetting epoxy asphalt expanding material.
Two, a kind of preparation method of thermosetting epoxy asphalt material, it comprises the steps: 100 gram petroleum pitch (100
#Bitumen for road use), 20 gram Resins, epoxy E-51,20 gram expanding materials (oleoyl chloride thermosetting epoxy asphalt expanding material), 20 gram vulcanizing agents (sulphur), 20 gram Tetra hydro Phthalic anhydrides, 0.3 gram 2,4,6-three (dimethylamino methyl) phenol (DMP-30) and 1000 gram building stones mix, being heated to 80 ℃ stirs, put into 100 ℃ of curing ovens 6 hours, and got thermosetting epoxy asphalt material.
Microtexture with the sem observation thermosetting epoxy asphalt material, the SEM photo shows, Resins, epoxy, pitch, expanding material can form cross-linked network, illustrate that the oleoyl chloride thermosetting epoxy asphalt expanding material that this method obtains can make pitch and Resins, epoxy mix more equably, promptly the thermosetting epoxy asphalt material medium pitch and the Resins, epoxy mixing uniformity that obtain of this method is good.
Embodiment 4:
One, the preparation method of oleoyl chloride thermosetting epoxy asphalt expanding material, it comprises the steps:
1) preparation of oleoyl chloride: in the 500mL there-necked flask of constant temperature oil bath, whipping appts, reflux is housed, add 100 gram lauroleic acids, 16.5 gram dimethyl sulfoxide (DMSO), 110 gram trichloromethanes, be warming up to 60 ℃ of reactions 5 hours, isolate lower sediment thing (abandoning throw out), steam solvent (trichloromethane), obtain oleoyl chloride.
2) 100 gram Resins, epoxy E-41,300 gram acetone are joined in the 500mL there-necked flask, stirring fully is dissolved in the acetone Resins, epoxy, is warming up to 35 ℃, drips the 17.5 gram 7wt%NaOH aqueous solution, reacted 2 hours down at 35 ℃ after dripping fully, obtain hydrolysis Resins, epoxy.Get 335 gram oleoyl chlorides and join the 500mL there-necked flask, be warming up to 65 ℃ of stirring reactions 2.5 hours, tell lower floor's white precipitate, obtain solution product with separating funnel with hydrolysis Resins, epoxy, 360 gram toluene, the 90 gram pyridines that this step obtains; The solution product of gained and 50 gram acetate, the 6 gram vitriol oils (commercially available) are added in the 500ml there-necked flasks, slowly splash into 30 gram hydrogen peroxide, again in 45 ℃ of following epoxidation reactions 3 hours, oleoyl chloride thermosetting epoxy asphalt expanding material.
Two, a kind of preparation method of thermosetting epoxy asphalt material, it comprises the steps: 100 gram coal-tar pitch, 40 gram Resins, epoxy E-42,60 gram expanding materials (oleoyl chloride thermosetting epoxy asphalt expanding material), 40 gram vulcanizing agents (tetramethyl-thiuram disulfide), 40 gram methyl hexahydrophthalic anhydrides and 1.2 grams 2,4,6-three (dimethylamino methyl) phenol (DMP-30) mixes, be heated to 90 ℃ and stir, put into 120 ℃ of curing ovens 0.5 hour, get thermosetting epoxy asphalt material.
Microtexture with the sem observation thermosetting epoxy asphalt material, the SEM photo shows, Resins, epoxy, pitch, expanding material can form cross-linked network, illustrate that the oleoyl chloride thermosetting epoxy asphalt expanding material that this method obtains can make pitch and Resins, epoxy mix more equably, promptly the thermosetting epoxy asphalt material medium pitch and the Resins, epoxy mixing uniformity that obtain of this method is good.
Each raw material that the present invention is cited, and the bound of each raw material of the present invention, interval value, and the bound of processing parameter (as temperature, time etc.), interval value can both realize the present invention, do not enumerate embodiment one by one at this.
Claims (15)
1. thermosetting epoxy asphalt material, it is characterized in that it forms by comprising pitch, Resins, epoxy, vulcanizing agent, solidifying agent, curing catalyst and oleoyl chloride thermosetting epoxy asphalt expanding material feedstock production, the shared parts by weight of each raw material are: 100 parts of pitches, Resins, epoxy 20-40 part, vulcanizing agent 20-40 part, solidifying agent 20-40 part, curing catalyst 0.3-1.2 part, oleoyl chloride thermosetting epoxy asphalt expanding material 20-60 part.
2. the preparation method of a kind of thermosetting epoxy asphalt material as claimed in claim 1 is characterized in that it comprises the steps:
1) by the shared parts by weight of each raw material is: 100 parts of pitches, Resins, epoxy 20-40 part, vulcanizing agent 20-40 part, solidifying agent 20-40 part, curing catalyst 0.3-1.2 part, oleoyl chloride thermosetting epoxy asphalt expanding material 20-60 part, choose pitch, Resins, epoxy, vulcanizing agent, solidifying agent, curing catalyst and oleoyl chloride thermosetting epoxy asphalt expanding material, standby;
2) pitch, Resins, epoxy, vulcanizing agent, solidifying agent, curing catalyst and oleoyl chloride thermosetting epoxy asphalt expanding material are mixed, be heated to 80-90 ℃, stir, 100-120 ℃ solidified 0.5-6 hour down again, obtained thermosetting epoxy asphalt material.
3. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 2, it is characterized in that: described pitch is petroleum pitch or coal-tar pitch.
4. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 2, it is characterized in that: described Resins, epoxy is Resins, epoxy E-51, epoxy resin E-44, Resins, epoxy E-42 or Resins, epoxy E-41.
5. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 2, it is characterized in that: described vulcanizing agent is a vulcanizer.
6. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 2, it is characterized in that: described solidifying agent is acid anhydride type curing agent or the amine curing agent that is used for cured epoxy resin.
7. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 2, it is characterized in that: described curing catalyst is the tertiary amines curing catalyst.
8. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 2, it is characterized in that: described raw material also comprises building stones, and the shared weight part of building stones is 1000 parts.
9. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 2, it is characterized in that: the preparation of described oleoyl chloride thermosetting epoxy asphalt expanding material comprises the steps:
1) preparation of oleoyl chloride: be by the shared parts by weight of each raw material: 100 parts in lipid acid, chloride reagent 16.5-17 part, organic solvent 110-120 part, choose lipid acid, chloride reagent and organic solvent; Lipid acid and chloride reagent are added in the organic solvent,, isolate the lower sediment thing, steam organic solvent, obtain oleoyl chloride in 50-60 ℃ of reaction 4-5 hour;
2) by the shared parts by weight of each raw material be: 100 parts of Resins, epoxy, basic solution 17.5-20 part, oleoyl chloride 298-335 part, acetone 200-380 part, toluene 300-360 part, pyridine 70-90 part, acetate 40-50, vitriol oil 5.4-6 part, hydrogen peroxide 22-30 part, choose Resins, epoxy, basic solution, oleoyl chloride, acetone, toluene, pyridine, acetate, the vitriol oil and hydrogen peroxide, wherein, the concentration of basic solution is 5wt%-8wt%; Resins, epoxy, acetone and basic solution are mixed, at 35 ℃ of following hydrolysis 1-2 hours; Add oleoyl chloride, toluene and pyridine then, reacted 2-2.5 hour down, tell lower floor's white precipitate, obtain solution product with separating funnel in 55-65 ℃; Resulting solution product and acetate, the vitriol oil is miscible, splash into hydrogen peroxide again in 30-55 ℃ of epoxidation reaction 1-3 hour, oleoyl chloride thermosetting epoxy asphalt expanding material.
10. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 9, it is characterized in that: described lipid acid is the unsaturated fatty acids that contains 16-22 carbon atom, or their both mixtures.
11. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 9, it is characterized in that: lipid acid is any one or any mixing more than two kinds in stearic acid, oleic acid, undecylenic acid, the lauroleic acid, and any is any proportioning when mixing more than two kinds.
12. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 9 is characterized in that: described chloride reagent is phosphorus trichloride or dimethyl sulfoxide (DMSO).
13. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 9 is characterized in that: described organic solvent is trichloromethane or toluene.
14. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 9 is characterized in that: described Resins, epoxy is Resins, epoxy E-51, epoxy resin E-44, Resins, epoxy E-42 or Resins, epoxy E-41.
15. the preparation method of a kind of thermosetting epoxy asphalt material according to claim 9 is characterized in that: described basic solution is the NaOH aqueous solution.
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| CN102174245A (en) * | 2011-03-10 | 2011-09-07 | 中公高科（北京）养护科技有限公司 | Epoxy asphalt for gravel sealing layer, gravel sealing layer material and gravel sealing layer method |
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| CN105503041A (en) * | 2015-12-16 | 2016-04-20 | 四川国星高分子树脂有限公司 | Asphalt with pebbles as aggregates and preparing method thereof |
| CN106587735A (en) * | 2016-11-17 | 2017-04-26 | 长安大学 | Isophthalic unsaturated polyester resin modified asphalt concrete and preparation method thereof |
| CN107044079A (en) * | 2016-12-09 | 2017-08-15 | 浙江大学宁波理工学院 | Plant raw foam type asphaltic road-mix surface course structure |
| CN107603248A (en) * | 2017-08-29 | 2018-01-19 | 武汉工程大学 | A kind of epoxy castor oil thermoset pitch bulking agent, modified heat convertible bituminous epoxy and preparation method thereof |
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| CN107603248A (en) * | 2017-08-29 | 2018-01-19 | 武汉工程大学 | A kind of epoxy castor oil thermoset pitch bulking agent, modified heat convertible bituminous epoxy and preparation method thereof |
| CN110922771A (en) * | 2018-09-20 | 2020-03-27 | 中国石油化工股份有限公司 | Modified epoxy asphalt, water-based drilling fluid and preparation method thereof |
| CN110922771B (en) * | 2018-09-20 | 2022-03-08 | 中国石油化工股份有限公司 | Modified epoxy asphalt, water-based drilling fluid and preparation method thereof |
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Effective date of registration: 20171024 Address after: Ten mile Industrial Park, Hubei, Guangshui, China 432700 Patentee after: HUBEI YONGYANG MATERIAL INDUSTRY CO.,LTD. Address before: 430074 Wuhan, Hongshan Province District, hung Chu street, No. 693 Patentee before: Wuhan Institute of Technology |
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