CN105016655B - Can secondary solidification polyurethane modified epoxy asphalt and preparation method and application - Google Patents
Can secondary solidification polyurethane modified epoxy asphalt and preparation method and application Download PDFInfo
- Publication number
- CN105016655B CN105016655B CN201510390350.8A CN201510390350A CN105016655B CN 105016655 B CN105016655 B CN 105016655B CN 201510390350 A CN201510390350 A CN 201510390350A CN 105016655 B CN105016655 B CN 105016655B
- Authority
- CN
- China
- Prior art keywords
- component
- epoxy resin
- modified
- pitch
- modified epoxy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
It is a kind of can secondary solidification polyurethane modified epoxy asphalt, building stones are admixed by polyurethane modified epoxy pitch and formed, are counted in mass ratio, polyurethane modified epoxy pitch be 28, mineral aggregate be 92 98；Wherein polyurethane modified epoxy pitch is made up of the component of A, B, C tri-：Component A is 100 parts of polyurethane modified epoxy resin；B component by following masses part material composition：70 150 parts of curing agent, 0 0.02 parts of accelerator；Component C is 50 200 parts of pitch.The present invention can the polyurethane modified epoxy asphalt of secondary solidification be applied to Steel Bridge Deck, Bridge Surface Paving by Cement, the making of bituminous paving and repairing, and for intersection, stop special road section.
Description
Technical field
The present invention relates to a kind of modified asphalt for road, be specifically it is a kind of can secondary solidification three components thermosetting
High performance polyurethane modified epoxy asphalt.
The invention further relates to the preparation method of above-mentioned compound.
The invention further relates to the application of above-mentioned compound.
Background technology
In recent years, epoxy bitumen material is as a kind of new thermosetting high performance material, in Bridges in Our Country, road pavement
Application in repairing is increasingly extensive.Bituminous epoxy will give full play to its performance, it is necessary to make epoxy resin uniformly, be fully distributed in
In pitch, but epoxy resin belongs to polar substances, and pitch belongs to nonpolar or low pole material, so epoxy resin and pitch
Compatibility it is most important.
Chinese patent CN101255276A discloses a kind of epoxy asphalt material for road-bridge and its environment-friendly preparation method thereof, the party
Method is modified processing to pitch, pitch grafting reactivity functional group is improved the compatibility of epoxy resin and pitch, makes it
Body turns into a kind of curing agent of epoxy resin, then with after curing agent, the comprehensive curing agent of accelerator composition, system is mixed with epoxy resin
Standby modified pitch.
Chinese patent CN1952012A discloses a kind of thermosetting epoxy asphalt material, and it is improved using special bulking agent
The compatibility of epoxy resin and pitch, the bulking agent preparation method is complicated, and cost is high and is not easy industrialized production, and in reality
The stability of modified pitch is difficult to control in, uses complex process.
Because the cured product crosslink density of epoxy resin is high, in 3 D stereo network structure, causes internal stress big, have
The shortcomings such as fragility is big, fatigue durability is poor, poor heat resistance, impact strength are low, in the application of Steel Bridge Deck, epoxy asphalt pavement layer goes out
Show the phenomenon of Mass Cracking damage, and then caused the diseases such as large area delamination, greatly reduce the service life of pave-load layer, shadow
Ring travel safety.
Chinese patent CN104059591A discloses a kind of road and bridge with secondary curing epoxy resin adhesive stick, using modified end
Hydroxyl terminated polybutadiene liquid rubber is epoxy resin toughened, and as curing agent, add a variety of auxiliary agents makes mixed amine as waterproof adhesion coating
With.
The content of the invention
It is an object of the invention to provide it is a kind of can secondary solidification three components thermosetting high performance polyurethane modified epoxy
Asphalt.
It is yet another object of the invention to provide the method that one prepares above-mentioned compound.
To achieve the above object, it is provided by the invention can secondary solidification polyurethane modified epoxy asphalt, by matter
Measure the mineral aggregate composition of the polyurethane modified epoxy pitch and 92-98 than 2-8；Wherein polyurethane modified epoxy pitch is by A, B, C tri-
Component forms：
Component A is 100 parts of polyurethane modified epoxy resin；
B component by following masses part material composition：Curing agent 70-150 parts, accelerator 0-0.02 parts；
Component C is pitch 50-200 parts.
It is described can secondary solidification polyurethane modified epoxy asphalt, wherein：
Polyurethane modified epoxy resin is EU modified epoxy, by epoxy resin and base polyurethane prepolymer for use as
Polymerization is made, and the mass ratio of epoxy resin and base polyurethane prepolymer for use as is 100:5-100:30；
Epoxy resin be bisphenol A epoxide resin, bisphenol F epoxy resin, bisphenol-A D epoxy resin, bisphenol-s epoxy resin,
At least one of resorcinol type epoxy, cardanol epoxy resin；
Base polyurethane prepolymer for use as is made by PPG and polyisocyanic acid polyisocyanate polyaddition, PPG and polyisocyanates
Mass ratio be 1:0.8-1:1.5；
PPG is polyoxypropyleneglycol, PPOX triol, PPOX-castor oil polyhydric alcohol, poly-
At least one of erythritan；
Polyisocyanates is toluene di-isocyanate(TDI) (TDI), '-diphenylmethane diisocyanate (MDI), hexamethylene diisocyanate
(HDI), at least one of terephthalylidene diisocyanate (XDI), IPDI (IPDI)；
Curing agent is the mixture of tung oil-modified amine hardener, long-chain curing agent or both, tung oil-modified amine hardener
Mass ratio with long-chain curing agent is 0-1:1-0；
Tung oil-modified amine hardener is to be synthesized to be made by tung oil, phenols, amine, aldehydes under acidic catalyst effect, paulownia
Oil, phenols, amine, the mass ratio of aldehydes are 0.2-0.5:3-9:15-20:10-20；
Phenols is at least one of phenol, methylphenol, nonyl phenol, mixture cresol；
Amine is at least one of ethylenediamine, diethylenetriamine, triethylene tetramine, diethylamine, m-xylene diamine；
Aldehydes is at least one of formaldehyde, butyraldehyde, paraformaldehyde；
Acidic catalyst is at least one of hydrochloric acid, sulfuric acid, phosphoric acid, nitric acid；
Long-chain curing agent is to be synthesized to be made with maleic anhydride by tung oil, and the mass ratio of tung oil and maleic anhydride is
100:30-100:50；
Accelerator is tertiary amines or imidazoles；
Tertiary amines accelerator is benzyl dimethylamine, N, accelerine, diethylaminopropylamine, (the diformazan ammonia of 2,4,6- tri-
Ylmethyl) one or more in phenol；
Imidazoles accelerator is in imidazoles, 2-methylimidazole, 1- benzyl -2- ethyl imidazol(e)s, 2-ethyl-4-methylimidazole
It is one or more of；
Pitch is asphalt or modified pitch, and modified pitch is thermoplastic elastomer modified pitch, rubber powder modified asphalt
Or composite modified asphalt；
Mineral aggregate is to gather materials and miberal powder.
The method provided by the invention for preparing above-mentioned polyurethane modified epoxy asphalt, step are：
1) PPG obtains base polyurethane prepolymer for use as with polyisocyanates in 70-100 DEG C of reaction；
2) epoxy resin is added into base polyurethane prepolymer for use as, continues stirring reaction at 70-100 DEG C, vacuum defoamation is handled,
Obtain component A polyurethane modified epoxy resin；
3) tung oil, phenols and acidic catalyst are mixed after 50-110 DEG C of reaction, are cooled to 30-60 DEG C, add amine,
Stir and be warming up to 70-90 DEG C, aldehydes, which is added dropwise, after being well mixed reacts, and dehydration, obtains tung oil-modified amine；
4) tung oil is mixed with maleic anhydride, 180-210 DEG C of reaction is warming up in nitrogen atmosphere, obtain long-chain solidification
Agent；
5) the tung oil-modified amine hardener of 40-60 DEG C of insulation adds the stirring of long-chain curing agent, completes the preparation of B component；
6) component A and B component are mixed with the component C of 100-160 DEG C of insulation, obtained in 25-60 DEG C of mixing
Polyurethane modified epoxy pitch；
7) polyurethane modified epoxy pitch is added in mineral aggregate in 60-150 DEG C of stirring, obtains polyurethane modified epoxy pitch
Compound.
In described method, PPG vacuum dehydration 0.5-2h at 110-130 DEG C, adds polyisocyanate in step 1
Cyanate is in 70-100 DEG C of reaction.
In described method, the component C in step 6 is to add pitch in mineral aggregate to mix with component A and B component again after mix
Close stirring.
The present invention can secondary solidification polyurethane modified epoxy asphalt, suitable for Steel Bridge Deck, cement concrete
Deck paving, the making of bituminous paving and repairing, and for intersection, stop special road section.
The present invention compared with prior art, there is following beneficial effect：
1) polyurethane modified epoxy resin of the present invention, C-C flexible in polyurethane is introduced on molecule segment
Chain and C-O-C chains, and active amide group, inierpeneirating network structure, compatibility increase can be formed with epoxy resin.When poly- ammonia
After ester modified bituminous epoxy crosslinking, intermeshing network causes phase region to fix, and two polymer networks mutually act synergistically, when
When being acted on by external force, power is more more scattered than independent cross-linked network, thus to destroy network structure just need to be formed it is bigger should
Power, further lift the intensity and toughness of material.
2) long-chain modified firming agent of the present invention is both a kind of good tough curing agent, is a kind of good again
Interfacial agents, by improving the surface characteristic of resin and asphalt interface, two kinds of materials are made to reach the effect of two-way penetration bonding, increase
The compatibility of epoxy bitumen material.Compatilizer can not be added, you can reduce the composition of the composition material of epoxy bitumen material, drop
Low holistic cost, the toxicity volatilized in preparation process is turn avoid, there is preferable environmental benefit.
3) present invention is compounded using long-chain curing agent and amine curing agent, and it is curable to widen polyurethane modified epoxy pitch
Temperature, its temperature sensitive degree is reduced, reduces the limitation to execution conditions, high temperature and the secondary solidification of low temperature can be achieved, improved
The performance of compound, curing time is reduced, and preparation technology is simpler, the realistic meaning with energy-conserving and environment-protective.
Embodiment
The invention provides a kind of three component can secondary solidification high performance polyurethane modified epoxy asphalt and
Its preparation method.Used polyurethane modified epoxy resin, C-C chains and C- flexible in polyurethane are introduced on molecule segment
O-C chains, and active amide group, inierpeneirating network structure, compatibility increase can be formed with epoxy resin.When polyurethane-modified
After bituminous epoxy crosslinking, intermeshing network causes phase region to fix, and two polymer networks mutually act synergistically, when by outer
The masterpiece used time, power is more more scattered than independent cross-linked network, therefore to destroy network structure and just need to form bigger stress, enters one
The intensity and toughness of step lifting material.Used long-chain curing agent is both a kind of good tough curing agent, is a kind of good again
Good interfacial agents, the performance requirement of curing agent, compatilizer can be met simultaneously；Long-chain curing agent compounds with amine curing agent, opens up
The curable temperature of wide polyurethane modified epoxy pitch, reduces its temperature sensitive degree, reduces the limitation to execution conditions, can
High temperature and the secondary solidification of low temperature are realized, improves the performance of compound, reduces curing time, and preparation technology is simpler, has section
The realistic meaning of energy environmental protection.Polyurethane modified epoxy asphalt provided by the invention can be used in Steel Bridge Deck, coagulating cement
Native deck paving, making and the special road section such as repairing and intersection, stop of bituminous paving.
The polyurethane modified epoxy asphalt of the present invention, admixes building stones by polyurethane modified epoxy pitch and forms, press
Mass ratio meter, polyurethane modified epoxy pitch are 2-8, mineral aggregate 92-98；
Polyurethane modified epoxy pitch includes the component of A, B, C tri-：
Component A is 100 parts of polyurethane modified epoxy resin；
B component is made up of following component according to mass fraction：Curing agent 70-150 parts, accelerator 0-0.02 parts；Described C
Component is pitch 50-200 parts.
The polyurethane modified epoxy resin of component A is EU modified epoxy, and preparation method is：
1) by PPG vacuum dehydration at 110-130 DEG C, polyisocyanates is added, stirring is warming up to 70-100 DEG C
Reaction, obtains base polyurethane prepolymer for use as.
2) epoxy resin is added into base polyurethane prepolymer for use as, continues stirring reaction 1-3h, vacuum defoamation at 70-100 DEG C
Processing, obtains polyurethane modified epoxy resin.
Wherein, PPG is that polyoxypropyleneglycol, PPOX triol, PPOX-castor oil are polynary
At least one of alcohol, polytetrahydrofuran diol.
Wherein, polyisocyanates is toluene di-isocyanate(TDI) (TDI), '-diphenylmethane diisocyanate (MDI), oneself two isocyanides
At least one of acid esters (HDI), terephthalylidene diisocyanate (XDI), IPDI (IPDI).
Wherein, epoxy resin is bisphenol A epoxide resin, bisphenol F epoxy resin, bisphenol-A D epoxy resin, bisphenol S type epoxy
At least one of resin, resorcinol type epoxy.
The curing agent of B component is tung oil-modified amine hardener, long-chain curing agent or two kinds of mixture.
The tung oil-modified amine hardener, synthesized by tung oil, phenols, amine, aldehydes.The phenols is phenol, methyl
At least one of phenol, nonyl phenol, mixture cresol.The amine is ethylenediamine, diethylenetriamine, triethylene tetramine, diethyl
At least one of amine, m-xylene diamine.The aldehydes is at least one of formaldehyde, butyraldehyde, paraformaldehyde.
The preparation method of tung oil-modified amine hardener is：50- is warming up to after tung oil, phenols and acidic catalyst are mixed
110 DEG C, 30-60 DEG C is cooled to after reacting 0.5-3h, adds amine, stirs and is warming up to 70-90 DEG C, aldehyde is added dropwise after well mixed
Class, it is dehydrated after reacting 2-5h, obtains tung oil-modified amine.
Long-chain curing agent, it is to be synthesized by tung oil with maleic anhydride.
The Preparation Method of long-chain curing agent is：Tung oil is mixed with maleic anhydride, nitrogen protection is passed through into container simultaneously
180-210 DEG C is warming up to, 1-5h is reacted, obtains long-chain curing agent.
The accelerator of B component is tertiary amines or imidazoles.Described tertiary amines accelerator is benzyl dimethylamine, N, N- diformazans
One or more in base aniline, diethylaminopropylamine, 2,4,6- tri- (dimethylamino methyl) phenol.Described imidazoles promote
Agent is the one or more in imidazoles, 2-methylimidazole, 1- benzyl -2- ethyl imidazol(e)s, 2-ethyl-4-methylimidazole.
Pitch described in component C is asphalt or modified pitch, and described modified pitch is SBS modified pitch, rubber powder
Modified pitch or TPE modified pitch.
The polyurethane modified epoxy asphalt of the present invention uses AC-13 gradings.
The present invention polyurethane modified epoxy asphalt preparation method be：
1) epoxy resin is added into base polyurethane prepolymer for use as, continues stirring reaction at 70-100 DEG C, vacuum defoamation is handled,
Complete the preparation of component A.
2) polyamide curing agent for being incubated 40-60 degree is added in reactor, is added the stirring of long-chain curing agent, is completed B groups
The preparation divided；
3) component A is mixed with B component, in 25-60 DEG C stirring, then with 100-160 DEG C insulation component C matrix pitch
Mix, that is, obtain polyurethane modified epoxy pitch；
4) polyurethane modified epoxy pitch addition mineral aggregate is stirred in 60-150 DEG C, obtains polyurethane modified epoxy drip
Green grass or young crops, polyurethane modified epoxy asphalt quality ratio are 2-8, and mineral aggregate mass ratio is 92-98.Mineral aggregate is formed by gathering materials with miberal powder.
In the polyurethane modified epoxy asphalt preparation method of the present invention, component A and B component can also be stirred 5-
10min, then add mineral aggregate mix 60-120s simultaneously with component C pitch, that is, obtain polyurethane modified epoxy asphalt.
The polyurethane modified epoxy asphalt of the present invention is applicable to Steel Bridge Deck, Bridge Surface Paving by Cement, drip
The making on blue or green road surface and repairing, while also know for special road sections such as intersection, stops.
The long-chain curing agent of the present invention is simultaneously a kind of good interfacial agents, and its mechanism of action is as follows：Long-chain curing agent is made
For interfacial agents, by improving the surface characteristic of resin and asphalt interface, radioactivity chain type anchoring effect is formed so that two kinds of materials
Reach the effect of two-way penetration bonding, and then increase the compatibility of epoxy bitumen material.
With reference to instantiation, the present invention will be described in detail, and polyurethane modified epoxy asphalt uses AC-
13 gradings.
Embodiment 1：
(1) by 5 parts of polyoxypropyleneglycols at 120 DEG C vacuum dehydration 1h, add 4 parts of '-diphenylmethane diisocyanates,
Stirring is warming up to 80 DEG C of reaction 2h, obtains base polyurethane prepolymer for use as.
(2) 100 parts of epoxy resin are added into base polyurethane prepolymer for use as, continue stirring reaction 2h, vacuum defoamation at 80 DEG C
Processing, obtains component A polyurethane modified epoxy resin.
(3) curing agent of polyamide 6 50 by 60 parts of 60 degree of insulations is added in reactor, 60 parts of long-chain curing agent of addition,
0.005gN, accelerine accelerator, mix 20 minutes, complete the preparation of B component；
(4) 100 parts of component A EU modified epoxies are mixed with B component, stirring at normal temperature 5 minutes；
(5) A, B component and the 70# asphalt of 110 parts of 120 DEG C of insulations are mixed 10 minutes, that is, obtains polyurethane
Modified epoxy pitch；
(6) polyurethane modified epoxy pitch is admixed into building stones, 80 DEG C of stirring 60s, that is, obtains polyurethane modified epoxy pitch
Compound.
Embodiment 2：
(1) vacuum dehydration 1.5h, 6 parts of hexamethylene diisocyanates of addition, stirring at 110 DEG C by 6 parts of PPOX triols
85 DEG C of reaction 2h are warming up to, obtain base polyurethane prepolymer for use as.
(2) 100 parts of epoxy resin are added into base polyurethane prepolymer for use as, continue stirring reaction 3h, vacuum defoamation at 80 DEG C
Processing, obtains component A polyurethane modified epoxy resin.
(3) curing agent of polyamide 6 50 by 50 parts of 60 degree of insulations is added in reactor, 75 parts of long-chain curing agent of addition,
0.00625g benzyl dimethylamine accelerator, mix 20 minutes, complete the preparation of B component；
(4) 100 parts of component A EU modified epoxies are mixed with B component, stirring at normal temperature 5 minutes；
(5) material, the 70# asphalt of 112.5 parts of 110 DEG C of insulations mixed step 4 admixes building stones, 100 DEG C of stirrings
60s, that is, obtain polyurethane modified epoxy asphalt；
Embodiment 3：
(1) by 5 parts of PPOX-castor oil polyhydric alcohols at 130 DEG C vacuum dehydration 2h, add 10 parts of toluene diisocyanates
Acid esters, stirring are warming up to 100 DEG C of reaction 3h, obtain base polyurethane prepolymer for use as.
(2) 100 parts of epoxy resin are added into base polyurethane prepolymer for use as, continue stirring reaction 2h, vacuum defoamation at 95 DEG C
Processing, obtains component A polyurethane modified epoxy resin.
(3) 95 parts of 60 DEG C of 50 curing agent of polyamide 6 are incubated, as B component；
(4) 100 parts of component A EU modified epoxies are mixed with B component, 60 DEG C are stirred 5 minutes；
(5) material mixed step 4 and the 70# asphalt of 95 parts of 120 DEG C of insulations mix 10 minutes, that is, obtain
Polyurethane modified epoxy pitch；
(6) polyurethane modified epoxy pitch is admixed into building stones, 60 DEG C of stirring 60s, that is, obtains polyurethane modified epoxy pitch
Compound.
Embodiment 4：
(1) by 8 parts of polytetrahydrofuran diols, vacuum dehydration 1.5h, 10 parts of terephthalylidenes two of addition are different at 115 DEG C
Cyanate, stirring are warming up to 70 DEG C of reaction 2.5h, obtain base polyurethane prepolymer for use as.
(2) 100 parts of epoxy resin are added into base polyurethane prepolymer for use as, continue stirring reaction 2h, vacuum defoamation at 75 DEG C
Processing, obtains component A polyurethane modified epoxy resin；
(3) 140 parts of long-chain curing agent, 0.0125g2- ethyls -4-methylimidazole accelerator are added into reactor, mixing is stirred
Mix 15 minutes, complete the preparation of B component；
(4) 100 parts of component A EU modified epoxies are mixed with B component, stirred 5 minutes；
(5) material, the 70# asphalt of 120 parts of 135 DEG C of insulations mixed step 4 admixes building stones, 130 DEG C of stirrings
60s, that is, obtain polyurethane modified epoxy asphalt.
The invention is not restricted to above-described embodiment, and the dosage and technique in the range of each quality of materials number are met by adjustment
Condition in parameter area, it can realize the present invention.
Polyurethane modified epoxy asphalt prepared by embodiment 1-4 is according to specification《Highway engineering pitch and pitch
Test mixture code (JTJ E20-2011)》Shaping test piece, maintenance and progress Marshall performance test.Test result such as table 1
It is shown.
The polyurethane modified epoxy performance of asphalt mixture table of table 1
Claims (7)
1. it is a kind of can secondary solidification polyurethane modified epoxy asphalt, by mass ratio 2-8 polyurethane modified epoxy drip
Blue or green and 92-98 mineral aggregate is formed, and wherein polyurethane modified epoxy pitch is made up of the component of A, B, C tri-：
Component A is 100 parts of polyurethane modified epoxy resin；Wherein the polyurethane modified epoxy resin is that EU is modified
Epoxy resin, it is polymerize by epoxy resin with base polyurethane prepolymer for use as and is made, the mass ratio of epoxy resin and base polyurethane prepolymer for use as is 100
∶5-100∶30；The base polyurethane prepolymer for use as is made by PPG and polyisocyanic acid polyisocyanate polyaddition, PPG and more isocyanides
The mass ratio of acid esters is 1: 0.8-1: 1.5；The PPG is polyoxypropyleneglycol, PPOX triol, polyoxygenated
At least one of propylene-castor oil polyhydric alcohol, polytetrahydrofuran diol；
B component by following masses part material composition：Curing agent 70-150 parts, accelerator 0-0.02 parts；Wherein, the curing agent is
The mixture of tung oil-modified amine hardener or tung oil-modified amine hardener and long-chain curing agent, tung oil-modified amine hardener and long-chain
The mass ratio of curing agent is 0-1: 1-0, and the content of tung oil-modified amine hardener is not 0；The tung oil-modified amine hardener is
Synthesized and be made by tung oil, phenols, amine, aldehydes under acidic catalyst effect, tung oil, phenols, amine, the mass ratio of aldehydes are
0.2-0.5∶3-9∶15-20∶10-20；Wherein phenols is at least one of phenol, methylphenol, nonyl phenol, mixture cresol；
Amine is at least one of ethylenediamine, diethylenetriamine, triethylene tetramine, diethylamine, m-xylene diamine；Aldehydes be formaldehyde,
At least one of butyraldehyde, paraformaldehyde；Acidic catalyst is at least one of hydrochloric acid, sulfuric acid, phosphoric acid, nitric acid；Long-chain is consolidated
Agent is to be synthesized to be made with maleic anhydride by tung oil, and the mass ratio of tung oil and maleic anhydride is 100: 30-100: 50：
Component C is pitch 50-200 parts.
2. according to claim 1 can secondary solidification polyurethane modified epoxy asphalt, wherein：
Epoxy resin is bisphenol A epoxide resin, bisphenol F epoxy resin, bisphenol-A D epoxy resin, bisphenol-s epoxy resin, isophthalic
At least one of diphenol epoxy resin, cardanol epoxy resin；
Polyisocyanates is toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate, hexamethylene diisocyanate, terephthalylidene two
At least one of isocyanates, IPDI；
Accelerator is tertiary amines or imidazoles；
Tertiary amines accelerator is benzyl dimethylamine, DMA, diethylaminopropylamine, 2,4,6- tri- (dimethylamino first
Base) one or more in phenol；
Imidazoles accelerator is one kind in imidazoles, 2-methylimidazole, 1- benzyl -2- ethyl imidazol(e)s, 2-ethyl-4-methylimidazole
It is or several；
Pitch is asphalt or modified pitch, and modified pitch is thermoplastic elastomer modified pitch, rubber powder modified asphalt or multiple
Close modified pitch.
3. preparing the method for polyurethane modified epoxy asphalt described in claim 1, step is：
1) PPG obtains base polyurethane prepolymer for use as with polyisocyanates in 70-100 DEG C of reaction；PPG and polyisocyanate
The mass ratio of cyanate is 1: 0.8-1: 1.5；The PPG is polyoxypropyleneglycol, PPOX triol, polyoxy
Change at least one of propylene-castor oil polyhydric alcohol, polytetrahydrofuran diol；
2) epoxy resin is added into base polyurethane prepolymer for use as, continues stirring reaction at 70-100 DEG C, vacuum defoamation processing, obtains
Component A polyurethane modified epoxy resin；The mass ratio of epoxy resin and base polyurethane prepolymer for use as is 100: 5-100: 30；
3) tung oil, phenols and acidic catalyst are mixed after 50-110 DEG C of reaction, is cooled to 30-60 DEG C, add amine, stirring
And 70-90 DEG C is warming up to, aldehydes reaction is added dropwise after being well mixed, dehydration, obtains tung oil-modified amine；The tung oil, phenols, amine,
The mass ratio of aldehydes is 0.2-0.5: 3-9: 15-20: 10-20；Wherein phenols is phenol, methylphenol, nonyl phenol, mixture cresol
At least one of；Amine is at least one in ethylenediamine, diethylenetriamine, triethylene tetramine, diethylamine, m-xylene diamine
Kind；Aldehydes is at least one of formaldehyde, butyraldehyde, paraformaldehyde；Acidic catalyst be hydrochloric acid, sulfuric acid, phosphoric acid, in nitric acid extremely
Few one kind；
4) tung oil is mixed with maleic anhydride, 180-210 DEG C of reaction is warming up in nitrogen atmosphere, obtains long-chain curing agent；
The mass ratio of tung oil and maleic anhydride is 100: 30-100: 50；
5) the tung oil-modified amine hardener of 40-60 DEG C of insulation adds the stirring of long-chain curing agent, completes the preparation of B component；
6) component A and B component are mixed with the component C of 100-160 DEG C of insulation in 25-60 DEG C of mixing, obtains poly- ammonia
Ester modified bituminous epoxy；
7) polyurethane modified epoxy pitch is added in mineral aggregate in 60-150 DEG C of stirring, obtains the mixing of polyurethane modified epoxy pitch
Material.
4. the method according to claim 11, wherein, PPG vacuum dehydration 0.5- at 110-130 DEG C in step 1
2h, polyisocyanates is added in 70-100 DEG C of reaction.
5. according to the method for claim 3, wherein, the component A in step 6 mixes 5-10min with B component, then
Mineral aggregate mix is added with component C simultaneously.
6. according to the method for claim 3, wherein, mineral aggregate is to gather materials and miberal powder.
7. described in claim 1 can secondary solidification polyurethane modified epoxy asphalt, suitable for Steel Bridge Deck, coagulating cement
Native deck paving, the making of bituminous paving and repairing, and for intersection, stop special road section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390350.8A CN105016655B (en) | 2015-07-06 | 2015-07-06 | Can secondary solidification polyurethane modified epoxy asphalt and preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390350.8A CN105016655B (en) | 2015-07-06 | 2015-07-06 | Can secondary solidification polyurethane modified epoxy asphalt and preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105016655A CN105016655A (en) | 2015-11-04 |
| CN105016655B true CN105016655B (en) | 2017-12-15 |
Family
ID=54407027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510390350.8A Active CN105016655B (en) | 2015-07-06 | 2015-07-06 | Can secondary solidification polyurethane modified epoxy asphalt and preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105016655B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925244B (en) * | 2016-07-11 | 2017-12-12 | 江苏燕宁新材料科技发展有限公司 | A kind of water-base epoxy asphalt waterproofing bonding layer material and preparation method thereof |
| JP6795942B2 (en) * | 2016-09-30 | 2020-12-02 | 太陽インキ製造株式会社 | Photocurable resin composition, dry film, cured product and printed wiring board |
| CN108342071A (en) * | 2018-02-28 | 2018-07-31 | 安平 | Asphalt pavement crack restorative procedure |
| CN108558272B (en) * | 2018-05-24 | 2020-10-09 | 浙江绣山园林建设有限公司 | Regenerative road cold-patch material |
| CN109401641A (en) * | 2018-08-31 | 2019-03-01 | 重庆交通大学 | Repair asphalt pavement pit sealing material |
| CN110452552B (en) * | 2019-08-16 | 2021-05-11 | 山西省交通规划勘察设计院有限公司 | Anti-skid wearing layer with high bonding strength and preparation method thereof |
| CN110423556B (en) * | 2019-08-16 | 2021-03-12 | 山西省交通规划勘察设计院有限公司 | Bridge deck waterproof bonding layer with high shear strength and application method thereof |
| CN111825388B (en) * | 2020-06-21 | 2022-05-06 | 江阴市新远见工程有限公司 | Modified epoxy asphalt concrete and processing technology thereof |
| CN111705673A (en) * | 2020-06-29 | 2020-09-25 | 交通运输部公路科学研究所 | High polymer steel bridge deck pavement structure |
| CN111960726B (en) * | 2020-08-10 | 2022-02-18 | 河南聚研材料科技有限公司 | Mercapto-terminated polyurethane modified epoxy mortar and preparation method thereof |
| CN114369372A (en) * | 2022-02-22 | 2022-04-19 | 中铁北方投资有限公司 | Preparation method of cold region high-performance resin asphalt material |
| CN114539796B (en) * | 2022-03-07 | 2023-02-28 | 鄂尔多斯市路泰公路工程有限责任公司 | High-temperature-resistant road epoxy asphalt and preparation method thereof |
| CN115819027B (en) * | 2022-12-24 | 2023-06-30 | 北京路新沥青混凝土有限公司 | Hot-mix epoxy asphalt concrete and preparation method and application thereof |
| CN117126545A (en) * | 2023-08-16 | 2023-11-28 | 重庆诚邦路面材料有限公司 | Modified composite epoxy asphalt mixture and pavement construction method and equipment |
| CN117165033B (en) * | 2023-09-08 | 2024-04-26 | 湖南瑞弗斯科技发展有限公司 | Epoxy asphalt modified material for asphalt pavement repair |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100564457C (en) * | 2007-01-16 | 2009-12-02 | 南京大学 | High performance pavement material of epoxy asphalt and its production and application |
| CN102585528B (en) * | 2012-02-23 | 2014-03-12 | 南京大学 | High-performance epoxy bitumen mixture easy to construct and maintain and preparation method thereof |
| CN103113752A (en) * | 2013-03-05 | 2013-05-22 | 南京大学 | High-performance epoxy resin asphalt warm mixing agent and preparation method thereof |
| CN103194070B (en) * | 2013-04-10 | 2015-06-24 | 湖北大学 | Epoxy asphalt material, as well as preparation method and use method thereof |
| CN103232717B (en) * | 2013-05-15 | 2015-11-11 | 重庆市智翔铺道技术工程有限公司 | A kind of composite modified asphalt and preparation method thereof |
-
2015
- 2015-07-06 CN CN201510390350.8A patent/CN105016655B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105016655A (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105016655B (en) | Can secondary solidification polyurethane modified epoxy asphalt and preparation method and application | |
| CN104987736B (en) | A kind of bituminous epoxy microencapsulation material and application | |
| US11155707B2 (en) | Anti-fatigue cold mixed epoxy resin material, preparation method and application thereof | |
| CN104987737B (en) | A kind of polyurea modified bituminous epoxy and compound | |
| CN102924692B (en) | High-permeability polyurethane graft-modified epoxy resin interpenetrating-network polymer grouting material and preparation method thereof | |
| CN101580686B (en) | Epoxide resin pouring sealant with low density and high impact resistance and preparation method thereof | |
| CN102585528B (en) | High-performance epoxy bitumen mixture easy to construct and maintain and preparation method thereof | |
| CN102408860B (en) | Flexible epoxy adhesive and application | |
| CN102321372A (en) | A kind of aqueous polyurethane epoxy resin modification emulsified bitumen | |
| CN104987735B (en) | A kind of silicon-modified epoxy pitch and compound | |
| US20180312437A1 (en) | Polyurethane, modified asphalt and mixture material containing same and pavement structure | |
| CN105176474B (en) | A kind of road gap-grouting glue suitable for wet facial cleft seam and preparation method thereof | |
| CN104072949A (en) | Epoxy resin material for high-temperature mixed epoxy asphalt, and preparation method and application thereof | |
| CN106977966A (en) | A kind of cold mixing cold-application type epoxy modified asphalt material and preparation method thereof | |
| EP3074475B1 (en) | Polyurethane based asphalt composition | |
| CN112940659B (en) | Modified epoxy resin structural adhesive and preparation method thereof | |
| CN104726048B (en) | The bisphenol A epoxide resin anchoring adhesive and preparation method of a kind of compounding toughness reinforcing of hot environment cementability by force | |
| CN104497603B (en) | Water-borne epoxy composite-containing emulsified asphalt cold-recycling agent and preparation method thereof | |
| CN101003688A (en) | High performance pavement material of epoxy asphalt, preparation method and application | |
| CN103923557A (en) | Special prime coat for spraying polyurea elastomer and preparation method of special prime coat | |
| CN101696097A (en) | Engineering epoxy asphalt mixture and preparation method thereof | |
| CN106866029B (en) | A kind of epoxy resin adhesive material and preparation method thereof for paving steel bridge deck | |
| CN108048007B (en) | Composite modified epoxy resin structural adhesive, composite modifier and preparation method of structural adhesive | |
| CN103224768A (en) | Steel-bar-planting glue and preparation method thereof | |
| CN106008903B (en) | A kind of porous pavement material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191211 Address after: 100176 1204-3, floor 12, building 1, No. 22, Ronghua Middle Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: CRCC (Beijing) Engineering Materials Technology Co., Ltd Address before: 100088 Beijing city Haidian District Xitucheng Road No. 8 Patentee before: Institute of Highway Science, Ministry of Transport |