CN104559676A - Low-temperature quick-curing epoxy coating and preparation method thereof - Google Patents
Low-temperature quick-curing epoxy coating and preparation method thereof Download PDFInfo
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- CN104559676A CN104559676A CN201510041691.4A CN201510041691A CN104559676A CN 104559676 A CN104559676 A CN 104559676A CN 201510041691 A CN201510041691 A CN 201510041691A CN 104559676 A CN104559676 A CN 104559676A
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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
- 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
- C09D7/20—Diluents or solvents
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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
- C09D7/65—Additives macromolecular
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a low-temperature quick-curing epoxy coating and a preparation method of the low-temperature fast-curing epoxy coating. The coating is prepared from a main agent and a curing agent, wherein the main agent comprises modified epoxy resins, petroleum resins, wetting dispersants, antifoaming agents, defoaming agents, anti-settling agents, anti-sag agents, adhesion promoters, pigments, fillers and solvents; the curing agent is toluene diisocynate copolymer or xylene diisocyanate copolymer and a solvent; the modified epoxy resins are double polycondensate of the modified bisphenol A and epoxy epichlorohydrin; a modifying agent is linear chain alkyl diol or pentaerythritol; and the linear chain alkyl diol has carbon atom number of 6-10. The coating can be quickly cured under a cold environment of below 5 DEG C; the preparation method is carried out in a cold area of below 10 DEG C, half-hardening and half-drying can be realized in two days and the coating is used for coating. The coating is high in corrosion resistant performance and high in adhesion force, and can achieve heavy corrosion protection of steel surfaces.
Description
Technical field
The present invention relates to a kind of low-temperature fast-curing epoxy coating and preparation method thereof.
Background technology
Epoxy coating has excellent antiseptic property and chemical resistance performance, excellent sticking power is had to steel and other grounds, matching system can be formed with finish paints such as polyurethane coating, fluorocarbon coating, phenoxy propionic acid coating, matching performance is good, is therefore widely used in the fields such as boats and ships, bridge, storage tank, oceanographic engineering.Epoxy coating normally carries out by the amido in the epoxy group(ing) of epoxy resin and solidifying agent the object that dry solidification is played in condensation reaction.At present, the more of polyamide-based solidifying agent is adopted in domestic corrosion-resistant epoxy paint.But; as traditional acid amides; polyamide-based solidifying agent is limited by very large in low-temperature construction; when outside temperature is lower than 10 DEG C; the reaction of amides solidifying agent and epoxy resin becomes slowly; even if add various curing catalyst, be also difficult to the solidification rate accomplishing quickening less than 5 DEG C.
In order to epoxypaint can be made to construct in the winter time, now a lot of company is proposed the winter and uses type product, and mainly employing a kind of take cashew nut oil as the amine additives solidifying agent (phenol amino alcohol solidifying agent) of main raw material.Wherein weakly acidic phenolic hydroxyl group, can catalyze fatty diamine end group and epoxy group(ing) low-temperature curing, but actual use temperature below 0 DEG C, this reaction is still slowly.Still normal construction can not be ensured in the cold district such as winter and siberian of northern China cold.A kind ofly below 0 DEG C, extremely important practical significance and economic benefit can be had by the protective system of dry solidification so research and develop.
Summary of the invention
For above-mentioned deficiency of the prior art, the invention provides one can under extremely low temperature quick-drying low-temperature fast-curing epoxy coating.
The present invention also provides the preparation method of above-mentioned coating.
Low-temperature fast-curing epoxy coating provided by the invention, be made up of host and solidifying agent two portions, host comprises modified epoxy, petroleum resin, wetting dispersing agent, defoamer, deaerating agent, anti-settling agent, anti-sagging agent, adhesion promoter, pigment, filler and solvent; Solidifying agent is tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer, and solvent; Described modified epoxy is through the dihydroxyphenyl propane of modification and the double polycondensate of epoxy chloropropane, and properties-correcting agent is straight chained alkyl glycol or tetramethylolmethane, and the carbonatoms of straight chained alkyl glycol is 6 ~ 10.The carbonatoms of straight chained alkyl glycol is excessive, and modified epoxy viscosity is large, and product is partially soft, and carbonatoms is less than 6, and modified epoxy does not have toughening effect, is not also suitable for low-temperature fast-curing coating.Above-mentioned each component all can select commercially available prod.
Through straight chained alkyl glycol or the modified dihydroxyphenyl propane of tetramethylolmethane and the double polycondensate of epoxy chloropropane, to make on epoxy chain, containing more hydroxy functional group, to add reactive behavior.The poly-hydroxy modification intermediate molecular weight epoxy resin that modified epoxy can use Japanese DIC company to produce.
Use tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer as solidifying agent, speed of response is fast at low temperatures with modified epoxy, coating can reach semihard drying in 48 hours under-10 DEG C of conditions, effectively can solve the problem that in cold environment, protective system cannot be constructed under existence conditions, in coating, each component cooperatively interacts, product film is made to have excellent antiseptic property, without phenomenons such as any foaming come off.
Preferably, described modified epoxy number-average molecular weight is 3000 ~ 5000, and the modified epoxy modest viscosity within the scope of this coordinates advantageously in coating application with other components in composition.
The ratio risen due to resin viscosity in low temperature environment is very fast, adds wetting dispersing agent energy effective wetting filler, reduces coating system viscosity, prevents the too fast problem causing fillers dispersed uneven because viscosity rises.
Time the rising of host system viscosity also must cause application, bubble is stayed in paint film or surface, affects the condition of surface of antiseptic property and application, so add the generation that deaerating agent and defoamer solve problems.Deaerating agent is used for making application paint film or produces in whipping process that bubble migration is to coatingsurface, and defoamer Main Function is broken to steep, and makes bubbles burst.Defoamer is preferably 2035 of Dutch EFKA company; 2040 of the preferred Dutch EFKA company of deaerating agent.
In addition, anti-settling agent and anti-sagging agent is also needed to add to improve stability in storage and the application property of coating; Consider the attachment issue of organic coating and inorganic ground, add adhesion promoter to improve sticking power therebetween.System internal solvent is organic solvent, is applicable to low temperature environment.Anti-settling agent preferably uses oxidized polyethlene wax.In host agent prescription of the present invention, use oxidized polyethlene wax, it, possessing on result of prevention basis, also has good dispersiveness, play usefulness abundant, and raw materials cost is low.Anti-sagging agent can use the DEURHEO 229 of the modest chemical company of Taiwan DS.
Preferably, in above-mentioned low-temperature fast-curing epoxy coating, the preferred C of described petroleum resin
9petroleum resin, compared to other conventional oil resins, C
9petroleum resin and formula system consistency of the present invention better, make product have higher preservative property, further increase toughness and the drying rate of product simultaneously.C
9petroleum resin can buy German Johanna Lüttge Products.
Preferably, in above-mentioned low-temperature fast-curing epoxy coating, described adhesion promoter is silane coupled resin CH
2(O) CHCH
2oC
3h
6-Si (OCH
3)
3(Dow corning Products can be used).Silane can generate the compound of Si-Fe with iron, strengthen the sticking power with steel plate, and the epoxy group(ing) of the other end can be fused in epoxy systems well, enhances the sticking power of epoxy and ground.
Preferably, in above-mentioned low-temperature fast-curing epoxy coating, described filler is iron mica and talcum powder.Because coating is the anti-corrosion primer being used as extreme cold area, good preservative property and quick-drying should be had, preferably supporting sticking power is had again with finish paint, so the coarse and good iron mica of shield effectiveness of filler preferred surface, talcum powder overlaps for filling sheet iron mica the space stayed, and is all greatly improved for the salt spray resistance of film, foaming, the performance such as corrosion and be full of cracks.
Talcous used in amounts is greater than iron mica, and to guarantee to fill completely, iron mica and the preferred amount ratio of talcum powder are 1:2 ~ 5(mass ratio).Wherein select the talcum powder of 400 order globule sizes, make product performance in opacifying power, viscosity, film porosity, glossiness and fineness etc. more excellent.
Preferably, in above-mentioned low-temperature fast-curing epoxy coating, described solvent is the mixed solution of dimethylbenzene and vinyl acetic monomer.In mixed solution, xylene content is higher than vinyl acetic monomer.The vinyl acetic monomer mixed with dimethylbenzene plays and strengthens solvent effect.
Preferably, in above-mentioned low-temperature fast-curing epoxy coating, the mass percentage of each composition of host is: modified epoxy 12.0 ~ 22.0%, petroleum resin 10.0 ~ 15.0%, wetting dispersing agent 0.6 ~ 2.8%, defoamer 0.1 ~ 0.2%, deaerating agent 0.1 ~ 0.2%, anti-settling agent 1.0 ~ 1.5%, anti-sagging agent 2.0 ~ 3.2%, adhesion promoter 0.5 ~ 1.0%, pigment 3 ~ 4.2%, filler 38.9 ~ 52.4% and balance of solvent; In solidifying agent, the mass percentage of each composition is: tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer 60 ~ 80%, solvent 20 ~ 40%.
Preferably, in above-mentioned low-temperature fast-curing epoxy coating, the mass ratio of host and solidifying agent is 9:1.
The preparation method of a kind of low-temperature fast-curing epoxy coating provided by the invention, step is:
(1) preparation of host: first add modified epoxy and petroleum resin by formula ratio, slowly anti-settling agent is added under stirring, be dispersed in after homogeneous thickness paste liquid, add wetting dispersing agent and defoamer, then add partial solvent adjusting viscosity, add pigment and filler while stirring, continue to be stirred to and be uniformly dispersed, mediation adds deaerating agent, adhesion promoter and anti-sagging agent, with balance solvent adjustment solid part, filters and packages and is host;
(2) preparation of solidifying agent: by formula ratio by tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer, adds stirring solvent evenly, filters subpackage and is solidifying agent.
In use, host and solidifying agent are carried out joining paint, then stirs, obtain low-temperature fast-curing epoxy coating.
Compared with prior art, the present invention has following beneficial effect:
Low-temperature fast-curing epoxy coating of the present invention be applicable to cold environment (less than-5 DEG C) construction can quick-setting heavy-duty coating, solve the problem that in cold environment, protective system cannot be constructed under existence conditions, coating can reach semihard drying in 48 hours under-10 DEG C of conditions, carry out covering painting, film has excellent antiseptic property, 200 μm of films are in good condition 2000 hours salt fog rear surfaces, without phenomenons such as any foaming come off.
The present invention can meet the technical requirements of epoxy coating completely, is greater than 3MPa with the sticking power of substrate of steel plate, and excellent with the supporting sticking power such as epoxy coating itself, alkydpaints, polyurethane coating and fluorocarbon coating, is all greater than 2MPa.
Embodiment
(1) preparation of host: first add modified epoxy and petroleum resin by formula ratio, slowly anti-settling agent is added under stirring, it is extremely after homogeneous thickness paste liquid that high speed dispersion is about 10min, add wetting dispersing agent and defoamer, add partial solvent (dimethylbenzene and vinyl acetic monomer mixed solution), add various pigment and filler while stirring, continue high-speed stirring 20min to after being uniformly dispersed, mediation adds deaerating agent, adhesion promoter, anti-sagging agent stirring, with a small amount of solvent adjustment solid part, filter and package and be host.
(2) preparation of solidifying agent: by formula ratio, tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer and solvent are uniformly dispersed, filter and package and be solidifying agent.Tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer are Japanese military field industry drug company product (TAKENATE D-102 or be equal to it).
(3) preparation of low-temperature fast-curing epoxy coating: the ratio being 9:1 in the quality proportioning of host and solidifying agent carries out joining paint, then stirs evenly, obtains this low-temperature fast-curing epoxy coating.Airless spraying atomizing effect is good, and can, according to actual situations of construction, select to brush or roller coating.
The each component proportion of low-temperature fast-curing epoxy coating of embodiment 1 to embodiment 6 is as shown in table 1, and wherein silane coupled resin is silane coupled resin CH
2(O) CHCH
2oC
3h
6-Si (OCH
3)
3.
The low-temperature fast-curing epoxy coating component of table 1 and consumption
The low-temperature fast-curing epoxy coating component of table 2 and consumption
Test the performance of the low-temperature fast-curing epoxy coating (usage ratio of host and solidifying agent is 9:1) in embodiment 1 to embodiment 6 respectively, result is as shown in table 3, with reference to SYT0457-2000.
Table 3 product performance detected result
Above-described embodiment is only for the invention example is clearly described, and the restriction not to the invention embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among the protection domain of the invention claim.
Claims (10)
1. a low-temperature fast-curing epoxy coating, be made up of host and solidifying agent two portions, it is characterized in that, host comprises modified epoxy, petroleum resin, wetting dispersing agent, defoamer, deaerating agent, anti-settling agent, anti-sagging agent, adhesion promoter, pigment, filler and solvent; Solidifying agent is tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer, and solvent;
Described modified epoxy is through the dihydroxyphenyl propane of modification and the double polycondensate of epoxy chloropropane, and properties-correcting agent is straight chained alkyl glycol or tetramethylolmethane, and the carbonatoms of straight chained alkyl glycol is 6 ~ 10.
2. low-temperature fast-curing epoxy coating according to claim 1, is characterized in that, the number-average molecular weight of described modified epoxy is 3000 ~ 5000.
3. low-temperature fast-curing epoxy coating according to claim 1, is characterized in that, described petroleum resin are C
9petroleum resin.
4. low-temperature fast-curing epoxy coating according to claim 1, is characterized in that, described adhesion promoter is silane coupled resin CH
2(O) CHCH
2oC
3h
6-Si (OCH
3)
3.
5. low-temperature fast-curing epoxy coating according to claim 1, is characterized in that, described filler is iron mica and talcum powder.
6. low-temperature fast-curing epoxy coating according to claim 5, is characterized in that, iron mica and talcous mass ratio are 1:2 ~ 5.
7. low-temperature fast-curing epoxy coating according to claim 1, is characterized in that, described solvent is the mixed solution of dimethylbenzene and vinyl acetic monomer.
8. according to the arbitrary described low-temperature fast-curing epoxy coating of claim 1 ~ 7, it is characterized in that, the mass percentage of each composition of host is: modified epoxy 12.0 ~ 22.0%, petroleum resin 10.0 ~ 15.0%, wetting dispersing agent 0.6 ~ 2.8%, defoamer 0.1 ~ 0.2%, deaerating agent 0.1 ~ 0.2%, anti-settling agent 1.0 ~ 1.5%, anti-sagging agent 2.0 ~ 3.2%, adhesion promoter 0.5 ~ 1.0%, pigment 3 ~ 4.2%, filler 38.9 ~ 52.4% and balance of solvent; In solidifying agent, the mass percentage of each composition is: tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer 60 ~ 80%, solvent 20 ~ 40%.
9., according to the arbitrary described low-temperature fast-curing epoxy coating of claim 1 ~ 7, it is characterized in that, the mass ratio of host and solidifying agent is 9:1.
10. the preparation method of the arbitrary described low-temperature fast-curing epoxy coating of claim 1 ~ 7, it is characterized in that, step is:
(1) preparation of host: first add modified epoxy and petroleum resin by formula ratio, slowly anti-settling agent is added under stirring, be dispersed in after homogeneous thickness paste liquid, add wetting dispersing agent and defoamer, then add partial solvent adjusting viscosity, add pigment and filler while stirring, continue to be stirred to and be uniformly dispersed, mediation adds deaerating agent, adhesion promoter and anti-sagging agent, with balance solvent adjustment solid part, filters and packages and is host;
(2) preparation of solidifying agent: tolylene diisocyanate multipolymer or Xylene Diisocyanate multipolymer are filtered subpackage by formula ratio, adds stirring solvent evenly, is solidifying agent.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108864896A (en) * | 2018-06-20 | 2018-11-23 | 江苏爱可青实业有限公司 | anti-corrosion steel plate and preparation method thereof |
| CN108948965A (en) * | 2018-07-27 | 2018-12-07 | 史丹龙涂料（常州）有限公司 | General temperature curing epoxy low paint of large arch dam and preparation method thereof |
| CN111423782A (en) * | 2019-01-10 | 2020-07-17 | 株式会社Kcc | Water-soluble epoxy coating composition |
| CN112646530A (en) * | 2020-12-18 | 2021-04-13 | 黄世斌 | Moisture-curing hot melt adhesive capable of being rapidly cured at low temperature |
| CN115785764A (en) * | 2022-12-22 | 2023-03-14 | 上海海隆赛能新材料有限公司 | Quick-drying protective coating for ships and preparation method thereof |
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| CN103409037A (en) * | 2013-08-06 | 2013-11-27 | 信和新材料股份有限公司 | Solvent type double-composition epoxy coating material quick to solidify at low temperature and preparation method thereof |
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| CN101646706A (en) * | 2007-03-20 | 2010-02-10 | Sika技术股份公司 | Epoxy group-terminated polymkeric substance, its composition and as the purposes of impact resistance modifiers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108864896A (en) * | 2018-06-20 | 2018-11-23 | 江苏爱可青实业有限公司 | anti-corrosion steel plate and preparation method thereof |
| CN108948965A (en) * | 2018-07-27 | 2018-12-07 | 史丹龙涂料（常州）有限公司 | General temperature curing epoxy low paint of large arch dam and preparation method thereof |
| CN111423782A (en) * | 2019-01-10 | 2020-07-17 | 株式会社Kcc | Water-soluble epoxy coating composition |
| CN112646530A (en) * | 2020-12-18 | 2021-04-13 | 黄世斌 | Moisture-curing hot melt adhesive capable of being rapidly cured at low temperature |
| CN115785764A (en) * | 2022-12-22 | 2023-03-14 | 上海海隆赛能新材料有限公司 | Quick-drying protective coating for ships and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN104559676B (en) | 2018-05-01 |
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