CN102060474B - Thermosetting flexible epoxy resin modified emulsified asphalt - Google Patents
Thermosetting flexible epoxy resin modified emulsified asphalt Download PDFInfo
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- CN102060474B CN102060474B CN2010105694646A CN201010569464A CN102060474B CN 102060474 B CN102060474 B CN 102060474B CN 2010105694646 A CN2010105694646 A CN 2010105694646A CN 201010569464 A CN201010569464 A CN 201010569464A CN 102060474 B CN102060474 B CN 102060474B
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Abstract
The invention relates to the technical field of engineering construction, in particular to thermosetting flexible epoxy resin modified emulsified asphalt. The thermosetting flexible epoxy resin modified emulsified asphalt is prepared from the following steps of: diluting epoxy resins by using hydrophilic ethylene glycol diglycidylether, and reacting with unit polyether amine of a hydrophilic polyglycolic group (PEG) to prepare water-dispersible epoxy resins containing no emulsifying agents; diluting polyurethane resins at the nonylphenols sealing end by using hydrophilic ethylene glycol diglycidylether, and reacting with unit polyether amine of the hydrophilic polyglycolic group (PEG) to prepare a water-dispersible epoxy resin flexibilizer, and mixing with each other to prepare flexible epoxy resin water solutions containing no emulsifying agents; preparing an epoxy resin curing agent by using modified fatty amine and the like and water solutions of alkyl phenolic gather ethylene oxide, and mixing with emulsified asphalt. The water-dispersible epoxy resins and the water-dispersible epoxy resin flexibilizer both have the advantages of no emulsifying agents, no toxicity residues or emission of the emulsifying agents, and is environment-friendly, can be stored for a long time under the water-free condition, and is convenient to transport and store.
Description
Technical field
The present invention relates to the engineering construction technical field, refer in particular to the thermoset flexible-epoxy modified emulsifying asphalt of stress absorbing layer that a kind of waterproof that is widely used in highway, bridge, building foundation, bonding, the cementation of fissures, bituminous concrete cast be added with layer etc.
Background technology
Since the mankind's civilization comes into existence, road, just unlimited extension forward in people's underfooting.From the rugged and rough trail that people tread, the sidewalk just to the pebbles shop from the cement pavement of concrete depositing, until the extensive bituminous pavement that adopts of quilt today, has proved the development history of human civilization from a side.
We know, now by the bituminous pavement of extensive employing have wear resistance good, do not play advantages such as dirt, motor-driven vehicle going braking is good, yet it also has, and melting point is low, the shortcoming of poor performance at low temperatures.That is be in hot summer, to burn down at pyritous, the heat absorption of the road surface of black is softening, and under the rolling of motor vehicle, soft road surface is easy to form pit and convex closure; In the cryogenic winter, the shortcoming of poor performance at low temperatures makes it be easy to be full of cracks, the process of wheel, and be full of cracks place is then damaged, causes the damage on road surface.Other has a maximum shortcoming is the bituminous pavement cast of must the scene heating, and seriously polluted, labor intensity of operating staff is big.
In order to solve the bituminous pavement cast of must the scene heating, seriously polluted, the shortcoming that labor intensity of operating staff is big, people have invented emulsified bitumen, heavy-gravity pitch is carried out emulsification after, again its similar watering generally is sprayed on the road surface of desire asphalt.Though solve above-mentioned shortcoming, and improved efficiency greatly, reduced labour cost, the consumption of asphalt amount on equal road surface is reduced.But, but because after pitch carried out emulsification, its melting point was lower, makes the popularization of this technology receive constraint.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point of the prior art, and a kind of thermoset flexible-epoxy modified emulsifying asphalt is provided.
The present invention realizes through following technical scheme: behind wetting ability ethylene glycol diglycidylether dilution epoxy resin, again with hydrophilic gather ethanol based (PEG) but the unit polyetheramine react the epoxy resin of processing emulsifier-free, water decentralized; With the end capped polyurethane resin of NP with after the wetting ability ethylene glycol diglycidylether dilution; Again with hydrophilic gather ethanol based (PEG) but the reaction of unit polyetheramine process water decentralized epoxy resin toughener, both are hybridly prepared into mutually and do not contain epoxy resin aqueous solution emulsifying agent, flexible; Process epoxy curing agent with one or more mixed amines of modified fatty amine, phenolic aldehyde amine, aromatic amine, polyetheramine, aliphatic cyclic amine and the aqueous solution of alkylphenol polyethylene oxide, the two mixes use with emulsified bitumen.
Because but but epoxy resin and the water decentralized epoxy resin toughener of water decentralized do not contain emulsifying agent, the remaining and discharging of emulsifier-free toxicity, not only environmental protection, but also can be under anhydrous condition prolonged preservation, convenient transportation and storage.During application, the water with various component ratios decomposes dilution at any time.Good to the emulsified bitumen intermiscibility, modified effect is good, and the emulsified bitumen that can make unmodified mistake dissolves since 60 ℃, changes 160 ℃ of all thawless thermoset high polymerss into, and cohesive strength and resistance to elevated temperatures all significantly improve; Because increased flexible toughening material, resistance to low temperature improves greatly, and-25 ℃ of not embrittlement recover elastic characteristic fully after the recovery.
Embodiment
1). oxirane value is at the epoxy resin of 0.38eq/100g～0.54eq/100g; Behind wetting ability epoxide resin reactive diluent ethylene glycol diglycidylether (consumption be epoxy resin content 5%～15%) mixed diluting, again with the hydrophilic unit polyetheramine that gathers ethanol based (PEG) (consumption be epoxy resin and thinner total amount 10%～25%) but the epoxy resin of emulsifier-free, water decentralized is processed in reaction;
Or:
Oxirane value is compound at the unit polyetheramine that gathers ethanol based (PEG) of the epoxy resin of 0.38eq/100g～0.54eq/100g and possess hydrophilic property; But process the epoxy resin of emulsifier-free, water decentralized; Its ratio is: epoxy resin 75%～85%, amine 25%～15%.
2). the end capped polyurethane resin of NP with wetting ability ethylene glycol diglycidylether dilution (consumption be polyurethane resin content 5%～15%) mixed diluting after; Again with the hydrophilic unit polyetheramine reaction that gathers ethanol based (PEG) (consumption be polyurethane resin and thinner total amount 10%～25%), but process water decentralized epoxy resin toughener;
Or:
Directly let polyurethane resin and the hydrophilic unit polyetheramine that gathers ethanol based (PEG) react (consumption is 100: 20～30), but process water decentralized epoxy resin toughener.
3). modified fatty amine, phenolic aldehyde amine, aromatic amine, polyetheramine, aliphatic cyclic amine and the aqueous solution that contains 5%～10% alkylphenol polyethylene oxide are processed epoxy curing agent, amine preparation separately, but also various kinds of amine is composite.Its ratio is: amine 70%～30% contains the aqueous solution 30%～70% of 5%～15% alkylphenol polyethylene oxide.
4). pitch is processed emulsifying water pitch (universal standard type emulsifying water petroleum pitch) with emulsifying agent.
5) but. but the epoxy resin of the emulsifier-free of making, water decentralized, water decentralized epoxy resin toughener are poured in the emulsifying water pitch in the ratio of application product demand after with water-dispersion; After thorough mixing is even, promptly can be made into thermoset flexible-epoxy modified emulsifying asphalt;
Or:
But but the epoxy resin of the available emulsifier-free of making, water decentralized mixes with water decentralized epoxy resin toughener mutually; Be mixed with and do not contain epoxy resin aqueous solution emulsifying agent, flexible; Its ratio is: epoxy resin 60%～95%, toughner 40%～5%.
6). the epoxy curing agent that makes is used water-dispersion, in the ratio adjustment water of application product demand and the ratio of solidifying agent.In mixing, the solids content of epoxy curing agent is 10%～80%, after thorough mixing is even, promptly processes the thermosetting epoxy resin solidifying agent.
Example 1: epoxy resin (87 parts) mixes under conventional stirrer stirs with ethylene glycol diglycidylether (13 parts), adds 15% and gathers the unit polyetheramine reaction of ethanol based (PEG), but promptly process the epoxy resin of emulsifier-free, water decentralized.
Example 2: the end capped polyurethane resin of NP (87 parts) mixes under conventional stirrer stirs with ethylene glycol diglycidylether (13 parts); Add 15% and gather the unit polyetheramine reaction of ethanol based (PEG), but promptly process the epoxy resin toughener of emulsifier-free, water decentralized.
Example 3: aromatic amine, polyetheramine, aliphatic cyclic amine (60 parts) stir to be mixed into fully down at conventional stirrer with the aqueous solution (40 parts) that contains 5%～10% alkylphenol polyethylene oxide and mix, and are distributed to nothing and condense the small-particle that can see and get final product.
Example 4: using solid contents is 60% epoxy resin (80 parts), is that the end capped water decentralized of 60% NP epoxy resin toughener (20 parts) mixes but mix solid contents, processes the flexible epoxy resin aqueous solution.Be to add the flexible epoxy resin aqueous solution (13 parts) in 60% the emulsified bitumen (87 parts) to mix at solid contents again; Process the flexible-epoxy modified emulsifying asphalt; Mixing solid contents again is that 60% epoxy curing agent (7 parts) mixing is crosslinked; After the curing, promptly aggregate into and contain 20% epoxy resin, thermotolerance, all good thermosetting epoxy resin polymers in modified asphalt of anti-low temperature.
In above-mentioned preparation and reaction process, be under normal temperature, the normal pressure and carry out.As have ready conditions, in the manufacturing processed of aqueous epoxy resins, water-based toughner, waterborne curing agent, temperature of reaction is controlled between 60 ℃ ~ 80 ℃, can accelerate and controls reaction speed, reduces the reaction times, improves reaction mass.
Waterproof, bonding, the cementation of fissures, the bituminous concrete cast that the present invention can be widely used in highway, bridge, building foundation is added with the waterproof, anticorrosion of underground installation, roofing, timber, the stone material of stress absorbing layer, steelwork storage tank, steel pipe, cement concrete storage tank, pipeline, the buildings of layer; A plurality of fields such as the manufacturing of waterproof roll.
Claims (2)
1. thermoset flexible-epoxy modified emulsifying asphalt; It is characterized in that: oxirane value is at the epoxy resin of 0.38eq/100g～0.54eq/100g; After using 5%～15% the wetting ability epoxide resin reactive diluent ethylene glycol diglycidylether mixed diluting of consumption, but use consumption to process the epoxy resin of emulsifier-free, water decentralized as 10%～25% the hydrophilic unit polyetheramine reaction that gathers ethanol based of epoxy resin and thinner total amount again as epoxy resin content; After the end capped urethane resin of NP uses 5%～15% the wetting ability ethylene glycol diglycidylether diluted mixture dilution of consumption as urethane resin content; Use 10%～25% the hydrophilic unit polyetheramine reaction that gather ethanol based of consumption again, but process water decentralized epoxy resin toughener as urethane resin and thinner total amount; In modified fatty amine, phenolic aldehyde amine, aromatic amine, polyetheramine, the aliphatic cyclic amine one or more are processed epoxy curing agent with the aqueous solution that contains 5%～10% alkylphenol polyethylene oxide; Its ratio is: amine 30%～70% contains the aqueous solution 5%～15% of 70%～30% alkylphenol polyethylene oxide; But but the epoxy resin of the emulsifier-free of making, water decentralized, water decentralized epoxy resin toughener are poured in the emulsifying water pitch in the ratio of application product demand after with water-dispersion; After thorough mixing is even, promptly process thermoset flexible-epoxy modified emulsifying asphalt.
2. thermoset flexible-epoxy modified emulsifying asphalt according to claim 1; It is characterized in that: but but mix mutually with water decentralized epoxy resin toughener with the emulsifier-free of making, the epoxy resin of water decentralized; Be mixed with and do not contain epoxy resin aqueous solution emulsifying agent, flexible; Its ratio is: epoxy resin 60%～95%, toughner 40%～5%.
3. thermoset flexible-epoxy modified emulsifying asphalt according to claim 1; It is characterized in that: the epoxy curing agent that makes is used water-dispersion; In the ratio adjustment water of application product demand and the ratio of solidifying agent, in mixing, the solids content of epoxy curing agent is 10%～80%; After thorough mixing is even, promptly process the thermosetting epoxy resin solidifying agent.
4, thermoset flexible-epoxy modified emulsifying asphalt according to claim 1; It is characterized in that: but but in the manufacturing processed of the epoxy resin of water decentralized, water decentralized epoxy resin toughener, epoxy curing agent; Temperature of reaction is controlled between 60 ℃ ~ 80 ℃; Can accelerate and controls reaction speed, reduce the reaction times, improve reaction mass.
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| CN2010105694646A CN102060474B (en) | 2010-12-02 | 2010-12-02 | Thermosetting flexible epoxy resin modified emulsified asphalt |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322009A (en) * | 2011-05-20 | 2012-01-18 | 东莞欧博建材科技有限公司 | Normal temperature type epoxy resin modified emulsified bitumen stress absorption layer |
| CN102618045B (en) * | 2012-03-30 | 2015-03-11 | 重庆融极环保工程有限公司 | Waterborne epoxy resin modified emulsified asphalt and preparation and application thereof |
| CN106995302B (en) * | 2017-05-03 | 2020-01-03 | 广东中和正通工程技术有限公司 | High-performance mixture and construction method thereof |
| CN108192363B (en) * | 2017-11-22 | 2020-11-03 | 北京建筑大学 | Preparation technology and low-temperature performance improvement method of waterborne epoxy resin modified emulsified asphalt |
| CN107916086B (en) * | 2017-12-12 | 2020-09-18 | 山西省交通科技研发有限公司 | Toughening type water-based epoxy resin system and preparation method thereof |
| CN108084720B (en) * | 2017-12-12 | 2020-07-07 | 山西省交通科技研发有限公司 | Embedded anti-skid waterproof fog seal layer and preparation method thereof |
| CN113563009B (en) * | 2021-07-15 | 2022-05-10 | 重庆特铺路面工程技术有限公司 | Pouring type normal-temperature cementing material and normal-temperature pouring type asphalt concrete |
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| CN1657708A (en) * | 2005-02-21 | 2005-08-24 | 湖北高科交通工程咨询有限公司 | Bituonen-concrete-steel bridge floor and its spreading method |
| CN101463180A (en) * | 2007-12-19 | 2009-06-24 | 中国科学院广州化学研究所 | Aqueous single-component external emulsion epoxy resin emulsion and preparation thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1657708A (en) * | 2005-02-21 | 2005-08-24 | 湖北高科交通工程咨询有限公司 | Bituonen-concrete-steel bridge floor and its spreading method |
| CN101463180A (en) * | 2007-12-19 | 2009-06-24 | 中国科学院广州化学研究所 | Aqueous single-component external emulsion epoxy resin emulsion and preparation thereof |
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