CN106883733A - A kind of freeze-thawing resistant epoxy protective coating and preparation method thereof - Google Patents
A kind of freeze-thawing resistant epoxy protective coating and preparation method thereof Download PDFInfo
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- CN106883733A CN106883733A CN201710197363.2A CN201710197363A CN106883733A CN 106883733 A CN106883733 A CN 106883733A CN 201710197363 A CN201710197363 A CN 201710197363A CN 106883733 A CN106883733 A CN 106883733A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/56—Amines together with other curing agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1515—Three-membered rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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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
- C09D5/08—Anti-corrosive 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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The present invention proposes a kind of freeze-thawing resistant epoxy protective coating, is by weight 3 by component A and B component:1 mixes, wherein the component A includes in parts by weight：75 90 parts of epoxy resin, 5 15 parts of toughener, 2~10 parts of diluent, 10 30 parts of silicon powder, 0.20 2.0 parts of thixotropic agent, 0.1 0.3 parts of silane coupler；The B component includes in parts by weight：10 45 parts of Flexible Curing Agent, 10 45 parts of modified amine curing agent, 5 10 parts of silicon powder, 0.20 0.80 parts of thixotropic agent, 0.1 0.3 parts of silane coupler.Present invention employs new epoxy balanced constant, cured glue body has stronger water-fast decay resistance and preferable pliability in itself, brush in concrete or steel structure surface, freeze-thaw damage can be caused with the moisture intrusion base material in the obstruct environment of aftereffect, the crackle blocking ability of base material is improved, and reduces material internal stress.The features such as present invention has that bond effect is good, high-strength and high ductility, anti-cracking ability are strong, long-term water resistance is excellent.
Description
Technical field
The present invention relates to a kind of freeze-thawing resistant epoxy protective coating and preparation method thereof.
Background technology
Buildings waterproof occupies critically important status in Building Engineering Design with construction, is directly connected to building and constructs
The normal use of thing and life-span.The general water resistance of current coating is less desirable, and can not use in wet condition, one
There is crackle in denier base material, and its coating also can at once produce crack to display.
The content of the invention
The present invention proposes a kind of freeze-thawing resistant epoxy protective coating and preparation method thereof, employs new epoxy ligand
System, cured glue body has stronger water-fast decay resistance and preferable pliability in itself, brushes in concrete or steel knot
Structure surface, can cause freeze-thaw damage with the moisture intrusion base material in the obstruct environment of aftereffect, improve the crackle blocking energy of base material
Power, and reduce material internal stress.With spies such as bond effect is good, high-strength and high ductility, anti-cracking ability are strong, long-term water resistance is excellent
Point.
The technical proposal of the invention is realized in this way：
A kind of freeze-thawing resistant epoxy protective coating, is 3 by component A and B component by weight:1 mixes, wherein,
The component A includes in parts by weight：Epoxy resin 75-90 parts, toughener 5-15 parts, 2~10 parts of diluent, silicon
Micro mist 10-30 parts, thixotropic agent 0.20-2.0 parts, silane coupler 0.1-0.3 parts；
The B component includes in parts by weight：Flexible Curing Agent 10-45 parts, modified amine curing agent 10-45 parts, silicon is micro-
Powder 5-10 parts, thixotropic agent 0.20-0.80 parts, silane coupler 0.1-0.3 parts.
Preferably, described epoxy resin is in the hybrid resin of E51 types epoxy resin or E51 and E44 type epoxy resin
Any one.
Preferably, the Flexible Curing Agent is Flexible Curing Agent H112, and the modified amine curing agent is solid for modified amine
Agent CP400.
Preferably, the diluent is in benzyl glycidyl ether, benzyl glycidol ether, butyl glycidyl ether
It is at least one.
Preferably, the silane coupler is γ-glycidyl ether oxygen propyl trimethoxy silicane, the second of γ-aminopropyl three
At least one in TMOS.
Preferably, the toughener is island structure toughener.
Preferably, the thixotropic agent is hydrophilic aerosil A200.
A kind of preparation method of freeze-thawing resistant epoxy protective coating, comprises the following steps：
(1) preparation of component A：It is 75-90 parts of epoxy resin by weight portion, 5-15 parts of toughener, 2~10 parts dilute
Agent is released, 10-30 parts of silicon powder, 0.20-2.0 parts of thixotropic agent, 0.1-0.3 parts of silane coupler sequentially adds high speed shear dispersion
Stirred in machine, it is uniformly dispersed, milled by three-roll mill, then packed；
(2) preparation of B component：It is 10-45 parts of Flexible Curing Agent by weight portion, 10-45 parts of modified amine curing agent,
0.2-0.8 parts of thixotropic agent, 5-10 parts of silicon powder, 0.1-0.3 parts of silane coupler is stirred in sequentially adding high speed shear dispersion machine
Mix well mixed, milled by three-roll mill, then packed；
(3) by A, B component according to 3:1 weight stirs than mixing, that is, a kind of freeze-thawing resistant epoxy protective coating is obtained.
What the present invention was produced has the beneficial effect that：.
(1) epoxy glue system mainly selects the relatively low epoxy resin E51 of viscosity, can improve system in concrete surface
Mobility and wellability, adhesive when making uncured are fully infiltrated in concrete surface capillary pipe structure, are improved and are bonded by force
Degree；
(2) present invention in simultaneously add reactive diluent can with epoxy resin and the good intersolubility of curative systems, and
And system viscosity is reduced, increase wellability；
(3) toughener selected in the present invention is " island structure " toughener, and island structure toughener is spherical by being formed
Particle, dispersed phase is formed in resin crosslinks network continuous phase, that is, form " island structure " to increase toughness.Two kinds of system toughness reinforcings
Agent can effectively absorb extraneous load energy, improve the toughness of material.
(4) curing agent selected in the present invention is Flexible Curing Agent H112, and molecular structure is long-chain flexible structure, and cooperation changes
Property amine curing agent CP400 use, cured glue body has compared with high elongation rate and toughness.
(5) with excellent adhesion strength and scour ＆ wear resistance energy, long-term water resistance is splendid, and protection is reliable；Protective coating
Toughness is big, and cracking resistance is excellent, can be allocated according to environmental condition, using supporting primary coat, can apply in wet condition, adaptability
Extensively；Normal temperature cure, construction temperature is more than 5 DEG C；Construction quick and convenient, reliable construction quality under super-humid conditions, easy construction；
Non-volatility component, pollution-free, work progress little effect on the human body；Solidfied material is nontoxic, resistance to medium is good, environment-friendly.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with the embodiment of the present invention, it is clear that retouched
The embodiment stated is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
Embodiment 1
Component A, by weight：
85 parts of epoxy resin E51 --- ---；
10 parts of toughener --- ---；
5.5 parts of diluent (benzyl glycidyl ether) --- ---；
20 parts of silicon powder --- ---；
0.5 part of thixotropic agent (aerosil A200) --- ---；
Silane coupler (γ-glycidyl ether oxygen propyl trimethoxy silicane) --- 0.2 part.
B component, by weight：
30 parts of Flexible Curing Agent H112 --- ---；
35 parts of modified amine curing agent CP400 --- ---；
8 parts of silicon powder --- ---；
0.5 part of thixotropic agent (aerosil A200) --- ---；
0.2 part of silane coupler (gamma-aminopropyl-triethoxy-silane) --- ---.
Above A, B component are stirred in being sequentially added into high speed shear dispersion machine, it is uniformly dispersed, and are milled by three rollers
Machine is milled, and is then packed, by A, B component according to 3:1 weight stirs than mixing, that is, a kind of freeze-thawing resistant epoxy is obtained
Protective coating.
Measure gel strength performance indications：
Tensile strength：25MPa；
Tension elastic modelling quantity：2850MPa；
Elongation：2.60%；
Steel to steel tensile shear strength (standard value)：15MPa；
Steel just draws adhesion strength to C45 concrete：3.8MPa (concrete cohesional failure)；
Freezing-thawing cycles：175 times.
Embodiment 2
Component A, by weight：
90 parts of epoxy resin E51 --- ---；
5 parts of toughener --- ---；
10 parts of diluent (butyl glycidyl ether) --- ---；
10 parts of silicon powder --- ---；
2 parts of thixotropic agent (aerosil A200) --- ---；
Silane coupler (γ-glycidyl ether oxygen propyl trimethoxy silicane) --- 0.1 part.
B component, by weight：
10 parts of Flexible Curing Agent H112 --- ---；
45 parts of modified amine curing agent CP400 --- ---；
5 parts of silicon powder --- ---；
0.8 part of thixotropic agent (aerosil A200) --- ---.
Above A, B component are stirred in being sequentially added into high speed shear dispersion machine, it is uniformly dispersed, and are milled by three rollers
Machine is milled, and is then packed, by A, B component according to 3:1 weight stirs than mixing, that is, a kind of freeze-thawing resistant epoxy is obtained
Protective coating.
Measure gel strength performance indications：
Tensile strength：24MPa；
Tension elastic modelling quantity：2750MPa；
Elongation：2.50%；
Steel to steel tensile shear strength (standard value)：16MPa；
Steel just draws adhesion strength to C45 concrete：3.6MPa (concrete cohesional failure)；
Freezing-thawing cycles：180 times.
Embodiment 3
Component A, by weight：
75 parts of epoxy resin E51 --- ---；
15 parts of toughener --- ---；
2 parts of diluent (benzyl glycidol ether) --- ---；
30 parts of silicon powder --- ---；
0.2 part of thixotropic agent (aerosil A200) --- ---；
Silane coupler (γ-glycidyl ether oxygen propyl trimethoxy silicane) --- 0.3 part；
B component, by weight：
45 parts of Flexible Curing Agent H112 --- ---；
10 parts of modified amine curing agent CP400 --- ---；
10 parts of silicon powder --- ---；
0.2 part of thixotropic agent (aerosil A200) --- ---；
0.3 part of silane coupler (gamma-aminopropyl-triethoxy-silane) --- ---.
Above A, B component are stirred in being sequentially added into high speed shear dispersion machine, it is uniformly dispersed, and are milled by three rollers
Machine is milled, and is then packed, by A, B component according to 3:1 weight stirs than mixing, that is, a kind of freeze-thawing resistant epoxy is obtained
Protective coating.
Measure gel strength performance indications：
Tensile strength：24MPa；
Tension elastic modelling quantity：2650MPa；
Elongation：2.80%；
Steel to steel tensile shear strength (standard value)：16MPa；
Steel just draws adhesion strength to C45 concrete：3.4MPa (concrete cohesional failure)；
Freezing-thawing cycles：185 times.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of freeze-thawing resistant epoxy protective coating, it is characterised in that by component A and B component by weight being 3:1 mixes,
Wherein,
The component A includes in parts by weight：Epoxy resin 75-90 parts, toughener 5-15 parts, 2~10 parts of diluent, silicon powder
10-30 parts, thixotropic agent 0.20-2.0 parts, silane coupler 0.1-0.3 parts；
The B component includes in parts by weight：Flexible Curing Agent 10-45 parts, modified amine curing agent 10-45 parts, silicon powder 5-
10 parts, thixotropic agent 0.20-0.80 parts, silane coupler 0.1-0.3 parts.
2. a kind of freeze-thawing resistant epoxy protective coating as claimed in claim 1, it is characterised in that described epoxy resin is E51
Any one in the hybrid resin of type epoxy resin or E51 and E44 type epoxy resin.
3. a kind of freeze-thawing resistant epoxy protective coating as claimed in claim 1, it is characterised in that the Flexible Curing Agent is flexibility
Curing agent H112, the modified amine curing agent is modified amine curing agent CP400.
4. a kind of freeze-thawing resistant epoxy protective coating as claimed in claim 1, it is characterised in that the diluent is that benzyl shrinks
At least one in glycerin ether, benzyl glycidol ether, butyl glycidyl ether.
5. a kind of freeze-thawing resistant epoxy protective coating as claimed in claim 1, it is characterised in that the silane coupler be γ-
At least one in glycidyl ether oxygen propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane.
6. a kind of freeze-thawing resistant epoxy protective coating as claimed in claim 1, it is characterised in that the toughener is island structure
Toughener.
7. a kind of freeze-thawing resistant epoxy protective coating as claimed in claim 1, it is characterised in that the thixotropic agent is hydrophilic gas
Aerosil A200.
8. a kind of preparation method of freeze-thawing resistant epoxy protective coating, it is characterised in that comprise the following steps：
(1) preparation of component A：By the epoxy resin that weight portion is 75-90 parts, 5-15 parts of toughener, 2~10 parts of dilution
Agent, 10-30 parts of silicon powder, 0.20-2.0 parts of thixotropic agent, 0.1-0.3 parts of silane coupler sequentially adds high speed shear dispersion machine
Middle stirring, makes it be uniformly dispersed, and is milled by three-roll mill, is then packed；
(2) preparation of B component：By the Flexible Curing Agent that weight portion is 10-45 parts, 10-45 parts of modified amine curing agent, 0.2-
0.8 part of thixotropic agent, 5-10 parts of silicon powder, stirring is mixed during 0.1-0.3 parts of silane coupler sequentially adds high speed shear dispersion machine
Close uniform, milled by three-roll mill, then packed；
(3) by A, B component according to 3:1 weight stirs than mixing, that is, a kind of freeze-thawing resistant epoxy protective coating is obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197363.2A CN106883733A (en) | 2017-03-29 | 2017-03-29 | A kind of freeze-thawing resistant epoxy protective coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710197363.2A CN106883733A (en) | 2017-03-29 | 2017-03-29 | A kind of freeze-thawing resistant epoxy protective coating and preparation method thereof |
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Family
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Cited By (4)
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|---|---|---|---|---|
| CN109321095A (en) * | 2018-10-09 | 2019-02-12 | 于乐庆 | A kind of flexible compound water proof anti-corrosive paint and its production method |
| CN112574644A (en) * | 2020-12-17 | 2021-03-30 | 深圳市旭龙光电有限公司 | Antibacterial coating suitable for pc/pma composite base material and preparation method thereof |
| CN112980372A (en) * | 2019-12-16 | 2021-06-18 | 深圳市优宝新材料科技有限公司 | Adhesive and preparation method thereof |
| CN117247721A (en) * | 2023-08-28 | 2023-12-19 | 四川省承华建固防水材料有限公司 | Solvent-free flexible epoxy waterproof material and preparation and construction methods thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321095A (en) * | 2018-10-09 | 2019-02-12 | 于乐庆 | A kind of flexible compound water proof anti-corrosive paint and its production method |
| CN112980372A (en) * | 2019-12-16 | 2021-06-18 | 深圳市优宝新材料科技有限公司 | Adhesive and preparation method thereof |
| CN112574644A (en) * | 2020-12-17 | 2021-03-30 | 深圳市旭龙光电有限公司 | Antibacterial coating suitable for pc/pma composite base material and preparation method thereof |
| CN117247721A (en) * | 2023-08-28 | 2023-12-19 | 四川省承华建固防水材料有限公司 | Solvent-free flexible epoxy waterproof material and preparation and construction methods thereof |
| CN117247721B (en) * | 2023-08-28 | 2024-04-05 | 四川省承华建固防水材料有限公司 | Solvent-free flexible epoxy waterproof material and preparation and construction methods thereof |
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Application publication date: 20170623 |