CN104231995A - Low-temperature rapidly cured acrylic ester modified epoxy resin joint sealant used in road and bridge - Google Patents
Low-temperature rapidly cured acrylic ester modified epoxy resin joint sealant used in road and bridge Download PDFInfo
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- CN104231995A CN104231995A CN201410434262.9A CN201410434262A CN104231995A CN 104231995 A CN104231995 A CN 104231995A CN 201410434262 A CN201410434262 A CN 201410434262A CN 104231995 A CN104231995 A CN 104231995A
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Abstract
The invention discloses a low-temperature rapidly cured acrylic ester modified epoxy resin joint sealant used in roads and bridges. The joint sealant comprises a component A and a component B, wherein the component A comprises 55 parts of bisphenol F diglycidyl ether, 10-12 parts of graft polymerized epoxy resin and acrylic copolymer and 33-60 parts of an acrylic monomer; the component B comprises 5-15 parts of modified 1,3-cyclohexanediamine and 30-45 parts of modified hexamethylenediamine; the joint sealant is prepared by respectively stirring and mixing the component A and the component B, mixing the two components in the mass ratio of 100:(90-100), uniformly stirring, adding 1-5 parts by mass of an accelerant diacyl organic peroxide into the mixed liquid, and further stirring. The joint sealant disclosed by the invention is high in binding strength, has the characteristic of excellent aging resistance, low flexibility, low viscosity, high interface binding force, secondary fatigue cracking resistance and the like, and can be used in joint sealing construction all year around.
Description
Technical field
The present invention relates to resin asphalt and epoxy asphalt mixture pave-load layer preventive maintenance material, and the quick cementation of fissures repair materials of bituminous pavement, particularly relate to a kind of road and bridge with low-temperature fast-curing acrylated epoxy base joint grouting glue.
Background technology
Resin asphalt RA and bituminous epoxy EA is as thermoset resin material, there is extremely strong Rut resistance and antifatigue lesion capability, be applicable to very much the occasion being applied in needs pave-load layer and infrastructure cooperative transformation, abroad as far back as the sixties in last century just report synthesis use epoxy resin modified asphalt, and drop into engineer applied.Domestic from calendar year 2001 since Nanjing Er Qiao introduces epoxy asphalt pavement technology first, by the end of the end of the year 2013, the domestic epoxy asphalt pavement total area will reach 1,000,000 more than m2.But due to the environment for use of domestic high temperature heavy load, and the overall factor on the low side etc. of domestic paving steel bridge deck construction level, after domestic epoxy asphalt pavement often uses 3-5, just start to occur comparatively serious early disease, comprise crack, hole groove and delamination etc., have a strong impact on the service level in the work-ing life of bridge.Timeliness coverage crack disease, carries out the punishment of the preventive maintenance cementation of fissures, can effectively slow down disease tempo, postpone the medium-capital overhauling time and reduce life cycle management maintenance costs.
Resin asphalt and epoxy asphalt mixture less demanding to aggregate grading, but design bitumen aggregate ratio be generally greater than 7.0%, far above the 4.5-5.5% bitumen aggregate ratio requirement of plain asphalt compound.RA or the EA mixture gap rate that Practical Project uses is only 0-2%, through the equal fine and close bellding of mix surface that rubber tire and steel wheel roll.However, still there is more disease in domestic Large Span Bridges epoxy asphalt pavement, and wherein crack disease is the one that very early time occurs.Hair shape is only because crack is apparent in early days, in addition usual normal traveling to be had no effect, therefore very easily ignored by people, and after cracking initiation of mating formation immerses water, easily there is map cracking again in pave-load layer, become to cheat the diseases such as groove delamination until fast-developing under dynamic hydraulic pressure effect.
Research shows that the crack that epoxy asphalt pavement layer occurs mainly is divided into two classes, structural stressed crack and the stressed crack of unstructuredness.Structural stressed crack appears at mechanical analysis most unfavorable combination usually, as stress or strain maximum, and the U rib top of corresponding steel box girder bridge floor paving or wheel path position.The stressed crack of unstructuredness presents stochastic distribution, may appear between pavement surfaces or pave-load layer.Comparatively speaking, it is closely knit that the stressed crack of unstructuredness only needs the cementation of fissures to fill, structural stressed crack not only needs filling closely knit, also need to possess and former epoxy asphalt pavement cohesive force and sizing material self snappiness, ensure that the pave-load layer structural strength of cementation of fissures process is recovered, avoiding mating formation there is secondary cracking disease.Chinese patent CN10192146A provides a kind of crack repairing agent, comprise the first and second two kinds of mixtures, first kind mixture comprises epoxy resin, toughner, epoxy active diluent, second kind mixture comprises modified amine curing agent, promotor and organo-siloxane coupling agent, though its over-all properties is better than traditional pitch gap-grouting material, it exists, and fragility is large, poor toughness, the defect such as not water-fast, not acidproof.Chinese patent CN 101643636A give water-base joint grouting glue for normal temperature road, after water, aqueous adhesive, pitch, dispersion agent copolymerization, the environmental protection gap-grouting material of a kind of high viscosity formed through macromolecular water-soluble resin and rubber latex modifier, high cohesive force, high-adhesiveness.But this kind of material is only applicable to plain asphalt and cement pavement, in gel state under base joint grouting glue room temperature, can stir but not trickle, and water soluble, be not adapted at applying in Steel Bridge Deck epoxy asphalt pavement layer.Chinese patent CN 102408675A give a kind of epoxy resin crack filling material and preparation method thereof, comprise the component A be made up of glycidyl ester epoxy resin and aliphatic epoxy resin and polyurethane modified epoxy resin, and have solidifying agent and the formulated B component of curing catalyst.It is good that this kind of material has snappiness, cohesive strength is high, water-tolerant, the features such as temperature tolerance is good, but due to this kind of resin material, viscosity is higher under cryogenic, corresponding penetrating quality is very poor, and the resin low-temperature curing time is long, is also not suitable for using in the Steel Bridge Deck epoxy asphalt pavement layer cementation of fissures.
Along with the development of domestic communication industry, the requirement of deck paving cementation of fissures conserving material is also progressively being improved, except requiring, with except the stronger cohesive force of former pavement material and pliable and tough weather resistance, to require in practical implementation that gap-grouting material also must possess low-temperature fast-curing ability.Particularly domestic Large Span Bridges majority is all on Trunk highway or motorway, is very important transport hub.Therefore mat formation in maintenance construction for the type resin asphalt, require that construction process traffic is more short better for off-period, corresponding conserving material requires can fast setting.The Large Span Bridges One's name is legion of the Yangtze valley, this region mostly is sleety weather again winter, and current existing epoxide resin material is difficult to meet fast setting requirement under cryogenic, and therefore winter in spring, the development of deck paving disease was also relatively very fast.Chinese patent CN 103642175 A gives a kind of road and bridge with the agent of the normal temperature fast-curing epoxy resin cementation of fissures, this material comprises A and B two component, component A primarily of epoxy resin, promotor, modified toughened dose, epoxy silane coupling, reactive thinner and tinting material composition, B component oil polyetheramine and the mixture of phenolic aldehyde amine, promotor and defoamer composition.This resin has the advantages such as cohesive strength is high, good toughness, viscosity are low, wetting property good, ambient cure, even if but under normal temperature, set time also reaches 3-5 hour, particularly close under 0 DEG C of condition under cold condition, set time will extend more, have a strong impact on operating efficiency, long-time close traffic will affect bridge normal traffic, will affect traffic safety time serious.
Summary of the invention
The object of the invention is for above-mentioned deficiency of the prior art, provide a kind of and be applicable to the road and bridge of cementation of fissures construction fast under low temperature condition with low-temperature fast-curing acrylated epoxy base joint grouting glue.
The object of the invention is to be achieved through the following technical solutions:
A kind of road and bridge are with low-temperature fast-curing acrylated epoxy base joint grouting glue, described base joint grouting glue comprises A and B two kinds of components, and described component A comprises the component of following parts by weight: the epoxy resin of Bisphenol F diglycidylether 55 parts, graft polymerization and acrylic copolymer 10-12 part, Acrylic Acid Monomer 33-60 part; Described B component comprises the component of following parts by weight: modification 1,3-cyclohexanediamine 5-15 part and modification hexanediamine 30-45 part; After component A and B component are uniformly mixed configuration respectively, undertaken mixing and stirring by 100:90-100 mass fraction, in mixed solution, add the promotor diacyl organic peroxide of 1-5 mass fraction, continue to stir and obtain described base joint grouting glue.
Wherein, described Bisphenol F diglycidylether (BPF), its structural formula is:
The epoxy resin of described graft polymerization and acrylic copolymer are obtained by following method: get Bisphenol F diglycidylether (BPF) 30-45 part, after methyl methacrylate 5-25 part, β-dimethyl-aminoethylmethacrylate 5-11 part, methacrylic acid 6-10 part, vinylbenzene 0-4 part, lauryl methacrylate(LMA) 1 part mix; under shielding gas atmosphere under 90 DEG C of oil bath temperatures; the BPO initiator (promotor) adding 0.2%-0.5% mass fraction reacts; terminate to exothermic heat of reaction, obtain epoxy resin and the acrylic copolymer of described graft polymerization.Its reaction formula is:
Described Acrylic Acid Monomer is selected from methyl methacrylate, β-dimethyl-aminoethylmethacrylate, vinylbenzene, n-butyl acrylate, lauryl methacrylate(LMA), n octyl methacrylate, 2-Hydroxy ethyl acrylate, 2-hydroxypropyl acrylate, methacrylic acid-2-hydroxy methacrylate, methacrylic acid-2-hydroxy propyl ester, N-hydroxymethylacrylate acid amides, N-butyl methyl (methyl) acrylamide, diacetone acrylamide (DAAM), methacrylic acid methyl aceto acetate (AAEM), Vinylstyrene, vinyltrimethoxy silane, vinyltriethoxysilane, γ-methacryloxypropyl trimethoxy silane.
Described Acrylic Acid Monomer is three parts composition (by ratio of quality and the number of copies), and be respectively hard monomer, soft monomer and cross-linking monomer, wherein (1) hard monomer comprises: methyl methacrylate 2-15 part, β-dimethyl-aminoethylmethacrylate 3-10 part, vinylbenzene 2-5 part; (2) soft monomer comprises: lauryl methacrylate(LMA) 8-12 part, n-butyl acrylate 2-8 part, n octyl methacrylate 2-3 part; (3) cross-linking monomer comprises: methacrylic acid-2-hydroxy methacrylate 1-2 part, methacrylic acid methyl aceto acetate (AAEM) 2-7 part, γ-methacryloxypropyl trimethoxy silane 1-2 part.
Described modification 1,3-cyclohexanediamine is the toxicity adopting acrylate modified method to lower 1,3-cyclohexanediamine, and synthesis steric hindrance type ester diamines, mainly contains N, N-2-methylpropanoic acid methyl esters-1,3-cyclohexanediamine and N, N-2-methylpropanoate-1,3-cyclohexanediamine.The ratio of weight and number of N, N-2-methylpropanoic acid methyl esters-1,3-cyclohexanediamine and N, N-2-methylpropanoate-1,3-cyclohexanediamine is 21:17.1,3-cyclohexanediamine structural formula is:
.
N, N-2-methylpropanoic acid methyl esters-1,3-cyclohexanediamine structural formula is:
.
N, N-2-methylpropanoate-1,3-cyclohexanediamine structural formula is:
.
Modification 1; the main synthetic reaction process of 3-cyclohexanediamine is: in nitrogen N 2 shielding gas atmosphere; according to design metering interpolation 1; 3-cyclohexanediamine and benzene solvent; slowly stir, temperature control in 60 DEG C of oil baths, slowly adds properties-correcting agent (methyl methacrylate or β-dimethyl-aminoethylmethacrylate); regulate properties-correcting agent addition and keep stirring, in guarantee reaction process in mixeding liquid temperature 70 DEG C ± 2 DEG C.After 4-6 hour, reaction end obtains a kind of water white low-viscosity (mobile) liquid.Low-pressure distillation at 45 DEG C of temperature, removing benzene solvent obtains modification 1,3-cyclohexanediamine solidifying agent.
Described modification hexanediamine is transparent nontoxic, low viscous liquid curing-agent.Adopt acrylate modified method to hexanediamine, the ester modified hexanediamine of synthesis steric hindrance type, mainly contains: N, N-2-methylpropanoic acid methyl esters-1,6-hexanediamine and N, N-2-methylpropanoate-1,6-hexanediamine.Wherein the ratio of quality and the number of copies of N, N-2-methylpropanoic acid methyl esters-1,6-hexanediamine and N, N-2-methylpropanoate-1,6-hexanediamine is 31:19.Described hexanediamine structural formula is as follows:
N, N-2-methylpropanoic acid methyl esters-1,6-hexanediamine structural formula is:
.
N, N-2-methylpropanoate-1,6-hexanediamine structural formula is:
.
Main synthetic reaction process is: in nitrogen N 2 shielding gas atmosphere; hexanediamine and anhydrous ethanol solvent is added according to design metering; slowly stir; temperature control in 55 DEG C of oil baths; slowly add properties-correcting agent (methyl methacrylate or β-dimethyl-aminoethylmethacrylate); regulate properties-correcting agent addition and keep stirring, in guarantee reaction process in mixeding liquid temperature 67 DEG C ± 2 DEG C.After 3-4 hour, reaction terminates the low-viscosity (mobile) liquid obtaining a kind of light-coloured transparent.Low-pressure distillation at 50 DEG C of temperature, removing anhydrous ethanol solvent obtains modification hexanediamine solidifying agent.
Described diacyl organic peroxide is benzoyl peroxide (BPO) or peroxidized t-butyl perbenzoate (TBPB).The TBPB of pulverous BPO or liquid state is optionally used according to practical situation.
Described base joint grouting glue also comprises staining agent, and described staining agent is metallized dye, for distinguishing different components, and component A resin blush dyeing, the faint yellow dyeing of B component solidifying agent.
Using method of the present invention is: during the punishment of the field conduct cementation of fissures, according to crack disease development, and crack is hair shape or wire distribution, when fracture width is not more than 0.7mm, natural white brown fine, soft fur brush is adopted to dip base joint grouting glue, brushing fracture faces, until base joint grouting glue penetrates into crack completely.Fracture width is between 0.7mm-1.5mm, and big area does not appear in crack pave-load layer comes to nothing disease, adopts air pump air compressor machine slip casting method, at crack location injection base joint grouting glue, till filling crack with glue is full.At usual air themperature 25 DEG C, base joint grouting glue operable time is no less than 35 minutes, is less than 45 minutes set time.Under low temperature-10 DEG C of limiting condition, can realize being less than 55 minutes set time.Open to traffic is got final product after base joint grouting glue solidifies completely.
The low-temperature fast-curing principle that realizes is mainly epoxy resin and solidifying agent by acrylic acid-grafted ortho position carbon atom steric effect, affects ehter bond open loop.When adding initiator in blending ingredients, acrylate monomer is polymerized, ehter bond simultaneously in epoxy, α-H on its ortho position carbon atom is relatively active, free radical can be formed under the effect of initiator, and with unsaturated Acrylic Acid Monomer graft polymerization reaction, produce a large amount of polymerization reaction heat, mixeding liquid temperature can reach 65-75 DEG C, inspire modification hexanediamine secondary amine hydrogen and epoxy resin ring-opening polymerization further, cross-linked network is formed fast, is interspersed with acrylate flexible unit polymkeric substance in network, and the resin solidified is cashed as good low temperature flexibility.
The present invention has following outstanding beneficial effect:
The each component of base joint grouting glue of the present invention is low-viscosity (mobile) liquid, has excellent low temperature osmotic; The high calorie discharged by polyreaction is applicable to resin fast setting under cold condition.Base joint grouting glue and epoxy asphalt mixture adhesion property excellence, cohesive strength is high, effectively prevents structural stressed crack from occurring secondary fatigue cracking.
Base joint grouting glue of the present invention has the working conditions of universality more, namely the construction of the annual cementation of fissures is realized, particularly still can realize the punishment of the quick cementation of fissures in microthermal climate, simultaneously, base joint grouting glue of the present invention, except the fundamental characteristics such as sealing, waterproof possessing ordinary resin base joint grouting glue, also possesses the characteristics such as excellent ageing-resistant, low temperature flexibility, low viscosity, interface high cohesive force and anti-secondary fatigue cracking.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
embodiment 1:
Raw material prepares:
1) epoxy resin of graft polymerization and vinylformic acid (ester) multipolymer: get Bisphenol F diglycidylether (BPF) 40 parts; after methyl methacrylate 5 parts, β-dimethyl-aminoethylmethacrylate 5 parts, methacrylic acid 10 parts mix; add the BPO promotor of 0.2% mass fraction; reaction 6.5-7h is carried out under shielding gas atmosphere and under 90 DEG C of oil bath temperatures; terminate to be as the criterion with exothermic heat of reaction; prepare epoxy resin and the acrylic copolymer of graft polymerization, stand-by.
2) Acrylic Acid Monomer: get methyl methacrylate 15 parts, β-dimethyl-aminoethylmethacrylate 10 parts, vinylbenzene 12 parts, lauryl methacrylate(LMA) 8 parts, methacrylic acid methyl aceto acetate (AAEM) 6 parts, γ-methacryloxypropyl trimethoxy silane 2 parts, N-hydroxymethylacrylate acid amides 1 part, N-butyl methyl (methyl) acrylamide 1 part, 2-Hydroxy ethyl acrylate 1 part, 2-hydroxypropyl acrylate 1 part, methacrylic acid-2-hydroxy methacrylate 1 part, methacrylic acid-2-hydroxy propyl ester 1 part, mix, stand-by.
3) modification 1,3 cyclohexanediamine solidifying agent: be the ratio of 21:17 according to the ratio of weight and number of N, N-2-methylpropanoic acid methyl esters-1,3-cyclohexanediamine and N, N-2-methylpropanoate-1,3-cyclohexanediamine, prepare modification 1,3 cyclohexanediamine solidifying agent stand-by.
4) modification hexanediamine solidifying agent: be the ratio of 31:19 according to the ratio of quality and the number of copies of N, N-2-methylpropanoic acid methyl esters-1,6-hexanediamine and N, N-2-methylpropanoate-1,6-hexanediamine, prepares modification hexanediamine solidifying agent stand-by.
Road and bridge use with low-temperature fast-curing acrylated epoxy base joint grouting glue preparation:
1) take Bisphenol F diglycidylether (BPF) 55 parts, the epoxy resin of graft polymerization and vinylformic acid (ester) copolymer 12 parts, acrylate monomer 60 parts, staining agent 0.2 part carries out being uniformly mixed being mixed with component A.
2) take 15 parts, modification 1,3 cyclohexanediamine solidifying agent, 45 parts, modification hexanediamine solidifying agent carries out being uniformly mixed being mixed with B component.
3) the above-mentioned component A for preparing and B component are undertaken mixing and stirring by 100:90-100 mass fraction, and add the promotor benzoyl peroxide of 5 parts wherein, continue to stir, obtain described base joint grouting glue.
embodiment 2:
Raw material prepares:
1) epoxy resin of graft polymerization and vinylformic acid (ester) multipolymer: get Bisphenol F diglycidylether (BPF) 30 parts; after methyl methacrylate 15 parts, β-dimethyl-aminoethylmethacrylate 11 parts, methacrylic acid 6 parts mix; add the BPO promotor of 0.2% mass fraction; reaction 6.5-7h is carried out under shielding gas atmosphere and under 90 DEG C of oil bath temperatures; terminate to be as the criterion with exothermic heat of reaction; prepare epoxy resin and the acrylic copolymer of graft polymerization, stand-by.
2) Acrylic Acid Monomer: get methyl methacrylate 5 parts, β-dimethyl-aminoethylmethacrylate 3 parts, vinylbenzene 3 parts, lauryl methacrylate(LMA) 12 parts, methacrylic acid methyl aceto acetate (AAEM) 5 parts, γ-methacryloxypropyl trimethoxy silane 1 part, N-hydroxymethylacrylate acid amides 1 part, diacetone acrylamide (DAAM) 1 part, 2-Hydroxy ethyl acrylate 1 part, 2-hydroxypropyl acrylate 1 part, methacrylic acid-2-hydroxy methacrylate 1 part, methacrylic acid-2-hydroxy propyl ester 1 part, mix, stand-by.
3) modification 1,3 cyclohexanediamine solidifying agent: be the ratio of 21:17 according to the ratio of weight and number of N, N-2-methylpropanoic acid methyl esters-1,3-cyclohexanediamine and N, N-2-methylpropanoate-1,3-cyclohexanediamine, prepare modification 1,3 cyclohexanediamine solidifying agent stand-by.
4) modification hexanediamine solidifying agent: be the ratio of 31:19 according to the ratio of quality and the number of copies of N, N-2-methylpropanoic acid methyl esters-1,6-hexanediamine and N, N-2-methylpropanoate-1,6-hexanediamine, prepares modification hexanediamine solidifying agent stand-by.
Road and bridge use with low-temperature fast-curing acrylated epoxy base joint grouting glue preparation:
1) take Bisphenol F diglycidylether (BPF) 55 parts, the epoxy resin of graft polymerization and vinylformic acid (ester) copolymer 10 part, acrylate monomer 33 parts, staining agent 0.01 part carries out being uniformly mixed being mixed with component A.
2) take 15 parts, modification 1,3 cyclohexanediamine solidifying agent, 30 parts, modification hexanediamine solidifying agent carries out being uniformly mixed being mixed with B component.
3) the above-mentioned component A for preparing and B component are undertaken mixing and stirring by 100:90-100 mass fraction, and add the promotor peroxidized t-butyl perbenzoate of 3.5 parts wherein, continue to stir, obtain described base joint grouting glue.
embodiment 3:
Raw material prepares:
1) epoxy resin of graft polymerization and vinylformic acid (ester) multipolymer: get Bisphenol F diglycidylether (BPF) 45 parts; after methyl methacrylate 22 parts, β-dimethyl-aminoethylmethacrylate 10 parts, methacrylic acid 8 parts, vinylbenzene 4 parts mix; add the BPO promotor of 0.5% mass fraction; reaction 7.5h is carried out under shielding gas atmosphere and under 90 DEG C of oil bath temperatures; terminate to be as the criterion with exothermic heat of reaction; prepare epoxy resin and the acrylic copolymer of graft polymerization, stand-by.
2) Acrylic Acid Monomer: get methyl methacrylate 5 parts, β-dimethyl-aminoethylmethacrylate 3 parts, vinylbenzene 3 parts, lauryl methacrylate(LMA) 12 parts, methacrylic acid methyl aceto acetate (AAEM) 5 parts, γ-methacryloxypropyl trimethoxy silane 1 part, N-hydroxymethylacrylate acid amides 1 part, diacetone acrylamide (DAAM) 1 part, 2-Hydroxy ethyl acrylate 1 part, 2-hydroxypropyl acrylate 1 part, methacrylic acid-2-hydroxy methacrylate 1 part, methacrylic acid-2-hydroxy propyl ester 1 part, Vinylstyrene 1 part, vinyltrimethoxy silane 0.5 part, vinyltriethoxysilane 0.5 part, mix, stand-by.
3) modification 1,3 cyclohexanediamine solidifying agent: be the ratio of 21:17 according to the ratio of weight and number of N, N-2-methylpropanoic acid methyl esters-1,3-cyclohexanediamine and N, N-2-methylpropanoate-1,3-cyclohexanediamine, prepare modification 1,3 cyclohexanediamine solidifying agent stand-by.
4) modification hexanediamine solidifying agent: be the ratio of 31:19 according to the ratio of quality and the number of copies of N, N-2-methylpropanoic acid methyl esters-1,6-hexanediamine and N, N-2-methylpropanoate-1,6-hexanediamine, prepares modification hexanediamine solidifying agent stand-by.
Road and bridge use with low-temperature fast-curing acrylated epoxy base joint grouting glue preparation:
1) take Bisphenol F diglycidylether (BPF) 55 parts, the epoxy resin of graft polymerization and vinylformic acid (ester) copolymer 11 part, acrylate monomer 45 parts, staining agent 0.1 part carries out being uniformly mixed being mixed with component A.
2) take 15 parts, modification 1,3 cyclohexanediamine solidifying agent, 45 parts, modification hexanediamine solidifying agent carries out being uniformly mixed being mixed with B component.
3) the above-mentioned component A for preparing and B component are undertaken mixing and stirring by 100:90-100 mass fraction, and add the promotor benzoyl peroxide of 1.5 parts wherein, continue to stir, obtain described base joint grouting glue.
The base joint grouting glue of gained and organic silicone glue prepared by embodiment 1-3, existing certain resin base joint grouting glue domestic makes a service test detection, acquired results sees the following form:
Table: acrylated epoxy base joint grouting glue shop experiment performance technologies index
As can be seen from performance test results, the result data such as perviousness, ambient cure time, tensile strength, fatigue lifetime of base joint grouting glue of the present invention is all better than the detected result of organic silicone glue and existing certain resin base joint grouting glue domestic, base joint grouting glue of the present invention is described except the fundamental characteristics such as sealing, waterproof possessing ordinary resin base joint grouting glue, also possesses the characteristics such as excellent ageing-resistant, low temperature flexibility, low viscosity, interface high cohesive force and anti-secondary fatigue cracking.
Be more than preferred embodiment of the present invention, all changes done according to technical solution of the present invention, when the function produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (8)
1. road and bridge are with low-temperature fast-curing acrylated epoxy base joint grouting glue, it is characterized in that, described base joint grouting glue comprises A and B two kinds of components, and described component A comprises the component of following parts by weight: the epoxy resin of Bisphenol F diglycidylether 55 parts, graft polymerization and acrylic copolymer 10-12 part, Acrylic Acid Monomer 33-60 part; Described B component comprises the component of following parts by weight: modification 1,3-cyclohexanediamine 5-15 part and modification hexanediamine 30-45 part; After component A and B component are uniformly mixed configuration respectively, undertaken mixing and stirring by 100:90-100 mass fraction, in mixed solution, add the promotor diacyl organic peroxide of 1-5 mass fraction, continue to stir and obtain described base joint grouting glue.
2. base joint grouting glue according to claim 1, it is characterized in that, the epoxy resin of described graft polymerization and acrylic copolymer are obtained by following method: get Bisphenol F diglycidylether 30-45 part, methyl methacrylate 5-25 part, β-dimethyl-aminoethylmethacrylate 5-11 part, methacrylic acid 6-10 part, vinylbenzene 0-4 part, after lauryl methacrylate(LMA) 1 part mixes, under shielding gas atmosphere under 90 DEG C of oil bath temperatures, the BPO promotor of adding 0.2-0.5 mass fraction is reacted, terminate to exothermic heat of reaction, obtain epoxy resin and the acrylic copolymer of described graft polymerization.
3. base joint grouting glue according to claim 1, it is characterized in that, described Acrylic Acid Monomer is selected from methyl methacrylate, β-dimethyl-aminoethylmethacrylate, vinylbenzene, ethyl propenoate, n-butyl acrylate, lauryl acrylate, ethyl acrylate, lauryl methacrylate(LMA), n octyl methacrylate, 2-Hydroxy ethyl acrylate, 2-hydroxypropyl acrylate, methacrylic acid-2-hydroxy methacrylate, methacrylic acid-2-hydroxy propyl ester, methyl propenoic acid glycidyl ether, acrylic acid amides, N-hydroxymethylacrylate acid amides, N-butyl methyl (methyl) acrylamide, diacetone acrylamide, methacrylic acid methyl aceto acetate, Vinylstyrene, vinyltrimethoxy silane, vinyltriethoxysilane, vinyl silane triisopropoxide, γ-methacryloxypropyl trimethoxy silane.
4. base joint grouting glue according to claim 3, it is characterized in that, described Acrylic Acid Monomer comprises hard monomer, soft monomer and cross-linking monomer three part, and wherein said hard monomer and by weight consumption are: methyl methacrylate 2-15 part, β-dimethyl-aminoethylmethacrylate 3-10 part, vinylbenzene 2-5 part; Described soft monomer and by weight consumption are: lauryl methacrylate(LMA) 8-12 part, n-butyl acrylate 2-8 part, n octyl methacrylate 2-3 part; Described cross-linking monomer and by weight consumption are: methacrylic acid-2-hydroxy methacrylate 1-2 part, methacrylic acid methyl aceto acetate 2-7 part, γ-methacryloxypropyl trimethoxy silane 1-2 part.
5. base joint grouting glue according to claim 1, is characterized in that, described modification 1,3-cyclohexanediamine is by the composition of N, N-2-methylpropanoic acid methyl esters-1,3-cyclohexanediamine and N, N-2-methylpropanoate-1,3-cyclohexanediamine 21:17 by ratio of weight and the number of copies.
6. base joint grouting glue according to claim 1, is characterized in that, described modification hexanediamine is by N, N-2-methylpropanoic acid methyl esters-1,6-hexanediamine and N, N-2-methylpropanoate-1,6-hexanediamine 31:19 composition by ratio of weight and the number of copies.
7. base joint grouting glue according to claim 1, is characterized in that, described diacyl organic peroxide is benzoyl peroxide or peroxidized t-butyl perbenzoate.
8. base joint grouting glue according to claim 1, is characterized in that, described base joint grouting glue also comprises the staining agent for distinguishing component A and B component, and described staining agent is metallized dye.
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| CN105950027A (en) * | 2016-05-26 | 2016-09-21 | 航天材料及工艺研究所 | Epoxy resin adhesive and preparation method thereof |
| CN106433536A (en) * | 2016-09-20 | 2017-02-22 | 湖南固特邦土木技术发展有限公司 | Dual-curing epoxy resin-vinyl ester resin adhesive used for leaking stoppage and reinforcement of underground engineering fracture |
| CN106905476A (en) * | 2017-04-07 | 2017-06-30 | 重庆沐联环境工程有限公司 | A kind of polymer matrix development of anti stripping agent for asphalt and its preparation method and application |
| CN107090251A (en) * | 2017-05-19 | 2017-08-25 | 大连理工大学 | A kind of acrylic ester type Low-viscosity asphalt pavement microcrack fast repairing material and preparation method |
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| CN111825813A (en) * | 2020-08-07 | 2020-10-27 | 广东晨宝复合材料股份有限公司 | UV resin for quickly repairing asphalt pavement and preparation method thereof |
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| CN105950027B (en) * | 2016-05-26 | 2019-08-09 | 航天材料及工艺研究所 | A kind of epoxyn and preparation method thereof |
| CN106433536A (en) * | 2016-09-20 | 2017-02-22 | 湖南固特邦土木技术发展有限公司 | Dual-curing epoxy resin-vinyl ester resin adhesive used for leaking stoppage and reinforcement of underground engineering fracture |
| CN106433536B (en) * | 2016-09-20 | 2017-12-22 | 湖南固特邦土木技术发展有限公司 | A kind of double cured epoxy resin vinyl ester resin adhesive for underground engineering fracture plugging reinforcement |
| CN106905476A (en) * | 2017-04-07 | 2017-06-30 | 重庆沐联环境工程有限公司 | A kind of polymer matrix development of anti stripping agent for asphalt and its preparation method and application |
| CN107090251A (en) * | 2017-05-19 | 2017-08-25 | 大连理工大学 | A kind of acrylic ester type Low-viscosity asphalt pavement microcrack fast repairing material and preparation method |
| CN107216832A (en) * | 2017-06-16 | 2017-09-29 | 佛山赛威光电技术有限公司 | It is a kind of to consolidate epoxy adhesive and preparation method thereof soon |
| CN109401642A (en) * | 2018-08-31 | 2019-03-01 | 重庆交通大学 | Asphalt pavement crack fills out envelope sealant |
| CN111825813A (en) * | 2020-08-07 | 2020-10-27 | 广东晨宝复合材料股份有限公司 | UV resin for quickly repairing asphalt pavement and preparation method thereof |
| CN117089302A (en) * | 2023-09-11 | 2023-11-21 | 广东和天新材料科技有限公司 | Organic silicon pouring sealant for display screen and preparation method thereof |
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