CN106433257A - Long-acting waterproof binding material for concrete bridge deck and preparation method of long-acting waterproof binding material - Google Patents
Long-acting waterproof binding material for concrete bridge deck and preparation method of long-acting waterproof binding material Download PDFInfo
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- CN106433257A CN106433257A CN201610814239.1A CN201610814239A CN106433257A CN 106433257 A CN106433257 A CN 106433257A CN 201610814239 A CN201610814239 A CN 201610814239A CN 106433257 A CN106433257 A CN 106433257A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a long-acting waterproof binding material for a concrete bridge deck. The long-acting waterproof binding material comprises a component A and a component B, wherein the component A is prepared from 20-50 parts by mass of reaction monomers, 15-30 parts by mass of thermoplastic resin, 0.5-1 part by mass of a crosslinking agent, 20-40 parts by mass of filler, 1-2 parts by mass of a thickener, 0-2 parts by mass of fibers, 0.1-1 part by mass of an accelerant and 0-1 part by mass of a coupling agent; the component B is prepared from 0.1-1 part by mass of an initiator. A binding layer and a waterproof layer of the long-acting waterproof binding material for the concrete bridge deck are integrated, the procedure for relaying a binding layer in the traditional method is avoided, and the long-acting waterproof binding material for the concrete bridge deck is more economical than the traditional MMA, PU polymer waterproof materials and is simpler and more convenient to construct.
Description
Technical field
The invention belongs to water-proof bond material field and in particular to a kind of for concrete bridge deck long-acting water-proof bonding material
Material and preparation method thereof.
Background technology
According to the concrete-bridge engineering experience of domestic 30 years to 40 years, particularly past 10 years to old bridge substantial amounts of over 20 years
Maintenance and reinforcement summary of experience all recognizes that the Slope protection of concrete-bridge is mainly concrete carbonization, chlorion, alkali content
The alkali causing with active aggregates, and the frost heaving failure of concrete etc. causes, these diseases are all to cut with watertight
Related.Therefore the setting of bridge deck water-proof and waterproof layer plays an important role to Concrete Bridge Durability.
Current standard《Highway bridge and culvert designs general specification》Clear stipulaties concrete bridge deck pavement in JTG D60-2015
Should set up defences water layer.But the anti-market for water of domestic concrete bridge deck is still very chaotic at present, and waterproof material used can not reach substantially
Above requirement, the problem being primarily present has：1. it is not provided with waterproof layer at all；2. waterproof material market confusion, quality is irregular not
Together；3. waterproof is not done as the waterproof system of an entirety；4. construction technology indiscriminately imitates roof waterproof engineering, bridge floor substantially
Process not thorough；5. the Detection ＆ Controling of the quantitation to construction quality are lacked.Arrange therefore in concrete bridge deck pavement structure
A kind of have water-proof function and have concurrently interlaminar bonding effect long-acting water-proof tack coat most important.
Waterproof material currently used for concrete-bridge mainly has waterproof roll, water-repellent paint (pitch class, high score subclass
Deng) and sealing (slurry seal, crushed stone sealing etc.) three major types.As patent of invention 201610098644.8 and 201310026903.2
In polyurethane water-proof paint；Epoxy resin water-repellent paint in patent of invention 201410683572.；Patent of invention
201410352949.8 and the pitch class water-repellent paint etc. in 201210488095.7.Every kind of classification respectively has pluses and minuses, such as waterproof
Coiled material effect is preferable, but Construction control is difficult；Preferably but puncture resistance is poor for pitch class water-repellent paint and pitch bonding；Macromolecule is prevented
Water paint whole structure is preferable, but relatively costly；Sealing class waterproof effect is poor, and working procedure is complicated.
Content of the invention
It is an object of the invention to provide tack coat and waterproof layer are integrated by one kind, it is to avoid in conventional method, waterproof applies
Material will re-lay the operation of one layer of tack coat, and more traditional MMA class, PU family macromolecule waterproof material are more economical, and construction is also more
For easy long-acting water-proof binding material for concrete bridge deck and preparation method thereof.
The present invention is achieved through the following technical solutions for present invention offer：A kind of long-acting water-proof for concrete bridge deck
Binding material, it is characterised in that including component A and B component, calculates according to mass fraction, and described component A includes reaction monomers 20
～50 parts, 15～30 parts of thermoplastic resin, 0.5～1 part of crosslinking agent, 20～40 parts of filler, 1～2 part of thickener, fiber 0～2
Part, 0.1～1 part of accelerator, 0～1 part of coupling agent；Described B component includes 0.1～1 part of initiator；
Described reaction monomers are methyl methacrylate, EMA, styrene, (methyl) acrylic acid, (first
Base) butyl acrylate, Isooctyl acrylate monomer, lauryl acrylate, octadecyl acrylate, in isobornyl acrylate one
Plant or multiple.
Further, described thermoplastic resin is solid propenoic acid resin.
Further, described crosslinking agent be polyethylene glycol dimethacrylate, trimethylolpropane trimethacrylate,
One or more of two contracting propane diols double methacrylates, tripropylene glycol double methacrylate.
Further, described filler be powdered whiting, kaolin, silica flour, calcite in powder, in blanc fixe one
Plant or multiple.
Further, described fiber is one or more of lignin fibre, polyester fiber, and described accelerator is
DMA, one or more of N, N- dimethyl-p-toluidine.
Further, described coupling agent is gamma-aminopropyl-triethoxy-silane, γ-(2,3- epoxy the third oxygen) propyl group three
Methoxy silane, γ-methacryloxypropyl trimethoxy silane, in vinyl three (2- methoxy ethoxy) silane
One or more, described thickener is aerosil, and described initiator is benzoyl peroxide.
The preparation method of the above-mentioned long-acting water-proof binding material for concrete bridge deck, comprises the steps：
1), component A and B component are weighed by quality proportioning；
2), prepare component A, comprise the steps：
(1) at room temperature, feed intake in special retort in proportion, first put into reaction monomers, thermoplastic resin, crosslinking
Agent, stirring at low speed 10 minutes, temperature control is below 35 DEG C；This step ensure that reaction monomers and crosslinking agent are sufficiently mixed all
Even, thermoplastic resin is completely dissolved；
(2) filler, thickener, fiber, first stirring at low speed 10 minutes, rear high-speed stirred 20 minutes are put into and then in proportion；
The low speed of this step coordinates high-speed stirred it is ensured that filler and thickener are uniformly dispersed, no obvious particle；
(3) accelerator, first stirring at low speed 20 minutes, rear high-speed stirred 10 minutes are put in proportion, temperature control is at 40 DEG C
Below；Now in the system mixing, put into accelerator, be easy to it and preferably disperse.
(4) knead and have no discharging during conglomeration and enter bucket encapsulation, sealing to the material uniform mixing of all inputs, material entirety exquisiteness
It is stored in cool place and lucifuge at standby, temperature not higher than 30 DEG C is dried.
3), weigh the B component of dried and clean in proportion, under the stirring of stirring electric drill, B component is slowly added into preparation
In the component A completing, after B component has added, continue stirring until two components mix can brush or be sprayed on processed
Become on concrete slab.Wherein initiator and accelerator constitute redox initiation system, initiator be in peroxide bridge pole
Unstable easy disconnection, is strong oxidizer；Accelerator is easily oxidized, is reducing agent；They are collectively forming redox system
Produce free radical, make monomer, crosslinking agent constitute reaction chain, monomer occurs polymerisation simultaneously and crosslinking agent crosslinks reaction, directly
To being fully cured.
The mechanism of action of the present invention is as follows：Reaction monomers, crosslinking agent etc. passes through crosslinked and curing reaction formation thermosetting tree
Fat, in the curing process, resin relative molecular mass increases sharply formation macromolecular, and system viscosity quickly increases, and accelerates component
Between incompatible and be separated, thermosetting resin forms tridimensional network；And the thermoplastic resin of wherein addition will not
Can react, so the thermosetting resin that reaction is formed will be separated, and move to its upper strata, so last upper strata is
Thermoplastic resin, and the thermosetting resin that lower floor generates for cross-linking and curing reaction, thus defining the tack coat of self demixing and preventing
The long-acting water-proof binding material system that water layer is integrated.
The new high molecular water-proof paint that the present invention provides, self demixing system is applied on bridge deck water-proof, and waterproof applies
Automatically it is divided into two-layer, upper strata is thermoplastic resin, plays cementation, lower floor is heat cured waterproof material, rises after material solidification
Waterproof action.Tack coat and waterproof layer are integrated by this water-repellent paint, it is to avoid will re-lay one layer of bonding in conventional method
The operation of layer, more traditional MMA class, PU family macromolecule waterproof material are more economical, and construction is also more easy.
Specific embodiment
With most preferred embodiment, the present invention is elaborated below.
Embodiment 1
In the long-acting water-proof binding material of concrete bridge deck, the weight content of each component is：
Wherein component A：Reaction monomers include 25 parts of butyl acrylate, 5 parts of styrene, and thermoplastic resin is thermoplastic propene
25 parts of acid resin, crosslinking agent is 0.5 part of trimethylolpropane trimethacrylate, and filler is 30 parts of powdered whiting, and thickener is
1 part of aerosil, fiber be 0.4 part of polyester fiber, accelerator be 0.12 part of DMA, coupling agent be γ-
0.60 part of aminopropyl triethoxysilane.
B component：0.30 part of 50% dibenzoyl peroxide (50% finger mass fraction).
It is shown in Table 1 respectively according to embodiment 1 gained long-acting water-proof binding material test result.
Embodiment 2
Wherein component A：Reaction monomers are 35 parts of butyl acrylate, and thermoplastic resin includes thermoplastic acrylic resin
27.32 parts, 0.8 part of polyethylene glycol dimethacrylate, filler is 35 parts of kaolin, and thickener is 1 part of aerosil,
Fiber is 0.5 part of lignin fibre, and accelerator is 0.18 part of DMA, and coupling agent is vinyl three (2- methoxyl group
Ethyoxyl) 0.20 part of silane.
B component：50% 0.40 part of dibenzoyl peroxide.
It is shown in Table 1 respectively according to embodiment 2 gained long-acting water-proof binding material test result.
Embodiment 3
Wherein component A：Reaction monomers include 41.8 parts of butyl methacrylate, and thermoplastic resin is thermoplastic acrylic tree
15 parts of fat, crosslinking agent is 1 part of trimethylolpropane trimethacrylate, and filler is 19.1 parts of silica flour, and thickener is gas phase dioxy
1.5 parts of SiClx, fiber is 0.4 part of polyester fiber, and accelerator is 0.20 part of DMA, and coupling agent is γ-(2,3- rings
Oxygen third oxygen) 1.0 parts of propyl trimethoxy silicane.
B component：50% 0.50 part of dibenzoyl peroxide.
It is shown in Table 1 respectively according to embodiment 3 gained long-acting water-proof binding material test result.
Embodiment 4
In concrete bridge long-acting water-proof binding material, the weight content of each component is：
Wherein component A：Reaction monomers include 20 parts of butyl acrylate, 5 parts of Isooctyl acrylate monomer, and thermoplastic resin is thermoplastic
Property 17 parts of acrylic resin, crosslinking agent be 0.5 part of trimethylolpropane trimethacrylate, filler be 30 parts of powdered whiting, increase
Thick dose is 1 part of aerosil, and accelerator is 0.12 part of DMA, and coupling agent is gamma-aminopropyl-triethoxy
0.60 part of silane.
B component：50% 0.50 part of dibenzoyl peroxide.
It is shown in Table 1 respectively according to above example 4 gained long-acting water-proof binding material test result.
Embodiment 5
In concrete bridge long-acting water-proof binding material, the weight content of each component is：
Wherein component A：Reaction monomers include 31 parts of butyl acrylate, 5 parts of isobornyl acrylate, thermoplastic resin propylene
22 parts of acid resin, crosslinking agent is 0.5 part of trimethylolpropane trimethacrylate, and filler is 30 parts of powdered whiting, and thickener is
1 part of aerosil, accelerator is 0.1 part of DMA, and coupling agent is gamma-aminopropyl-triethoxy-silane 0.60
Part.
B component：50% 0.8 part of dibenzoyl peroxide.
It is shown in Table 1 respectively according to above example 5 gained long-acting water-proof binding material test result.
Embodiment 6
In concrete bridge long-acting water-proof binding material, the weight content of each component is：
Wherein component A：Reaction monomers are 50 parts of butyl acrylate, and thermoplastic resin is 25 parts of thermoplastic acrylic resin,
Crosslinking agent is 0.5 part of trimethylolpropane trimethacrylate, and filler is 30 parts of powdered whiting, and thickener is aerosil
1 part, accelerator is 0.12 part of DMA.
B component：50% 0.5 part of dibenzoyl peroxide.
It is shown in Table 1 respectively according to above example 6 gained long-acting water-proof binding material test result.
Table 1 long-acting water-proof binding material test result
Reflect as can be seen from Table 1：The long-acting water-proof bonding of the concrete bridge deck being obtained using technical scheme
The performance such as material impermeability, heat resistance and low temperature flexibility are excellent, good with concrete base layer adhesive force, surface drying time and
Time of doing solid work is all comparatively short, and fracture elongation is high, and bond strength between layers and interlaminar shear strength are all preferable simultaneously.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of long-acting water-proof binding material for concrete bridge deck is it is characterised in that include component A and B component, according to matter
Amount number calculates, and described component A includes 20～50 parts of reaction monomers, 15～30 parts of thermoplastic resin, 0.5～1 part of crosslinking agent, fills out
20～40 parts of material, 1～2 part of thickener, 0～2 part of fiber, 0.1～1 part of accelerator, 0～1 part of coupling agent；Described B component includes
0.1～1 part of initiator；
Described reaction monomers are methyl methacrylate, EMA, styrene, (methyl) acrylic acid, (methyl) third
One of olefin(e) acid butyl ester, Isooctyl acrylate monomer, lauryl acrylate, octadecyl acrylate, isobornyl acrylate or
Multiple.
2. the long-acting water-proof binding material for concrete bridge deck according to claim 2 is it is characterised in that described warm
Plastic resin is solid propenoic acid resin.
3. the long-acting water-proof binding material for concrete bridge deck according to claim 3 is it is characterised in that described friendship
Connection agent is polyethylene glycol dimethacrylate, trimethylolpropane trimethacrylate, two contracting propane diols double methacrylates, three contractings
One or more of propane diols double methacrylate.
4. the long-acting water-proof binding material for concrete bridge deck according to claim 4 is it is characterised in that described fills out
Material is one or more of powdered whiting, kaolin, silica flour, calcite in powder, blanc fixe.
5. the long-acting water-proof binding material for concrete bridge deck according to claim 5 is it is characterised in that described fibre
Dimension is one or more of lignin fibre, polyester fiber, and described accelerator is DMA, N, N- dimethyl
One or more of para-totuidine.
6. the long-acting water-proof binding material for concrete bridge deck according to claim 6 is it is characterised in that described idol
Connection agent is gamma-aminopropyl-triethoxy-silane, γ-(2,3- epoxy the third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl
Base propyl trimethoxy silicane, one or more of vinyl three (2- methoxy ethoxy) silane, described thickener is gas
Aerosil, described initiator is benzoyl peroxide.
7. the preparation method of the long-acting water-proof binding material for concrete bridge deck according to claim 7, its feature exists
In comprising the steps：
1), component A and B component are weighed by quality proportioning；
2), prepare component A, comprise the steps：
(1) at room temperature, feed intake in special retort in proportion, first put into reaction monomers, thermoplastic resin, crosslinking agent, low
Speed stirring 10 minutes, temperature control is below 35 DEG C；
(2) filler, thickener, fiber, first stirring at low speed 10 minutes, rear high-speed stirred 20 minutes are put into and then in proportion；
(3) accelerator, first stirring at low speed 20 minutes, rear high-speed stirred 10 minutes are put in proportion, temperature control is below 40 DEG C；
(4) knead and have no discharging during conglomeration and enter bucket encapsulation, sealing preserve to the material uniform mixing of all inputs, material entirety exquisiteness
It is dried standby at lucifuge in cool place, not higher than 30 DEG C of temperature.
3), weigh the B component of dried and clean in proportion, under the stirring of stirring electric drill, B component is slowly added into preparation and completes
Component A in, after B component has added, continue stirring until two components and mix.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483708A (en) * | 2019-08-12 | 2019-11-22 | 北京东方雨虹防水技术股份有限公司 | A kind of underground engineering macromolecule spray film water-proofing material and preparation method thereof |
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| CN105925091A (en) * | 2016-06-14 | 2016-09-07 | 烟台蒙特防水材料有限公司 | Water-borne corrosion-resistant and waterproof coating for concrete structure |
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2016
- 2016-09-09 CN CN201610814239.1A patent/CN106433257A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101805532A (en) * | 2010-04-02 | 2010-08-18 | 株洲时代新材料科技股份有限公司 | Bi-component methyl methacrylate waterproof paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110483708A (en) * | 2019-08-12 | 2019-11-22 | 北京东方雨虹防水技术股份有限公司 | A kind of underground engineering macromolecule spray film water-proofing material and preparation method thereof |
| CN110483708B (en) * | 2019-08-12 | 2022-04-19 | 北京东方雨虹防水技术股份有限公司 | Polymer spray film waterproof material for underground engineering and preparation method thereof |
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