CN104610861A - Waterproof polyurea paint as well as preparation method and application method thereof - Google Patents
Waterproof polyurea paint as well as preparation method and application method thereof Download PDFInfo
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- CN104610861A CN104610861A CN201410857772.7A CN201410857772A CN104610861A CN 104610861 A CN104610861 A CN 104610861A CN 201410857772 A CN201410857772 A CN 201410857772A CN 104610861 A CN104610861 A CN 104610861A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
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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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides containing oxygen in the form of ether groups
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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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Abstract
The invention discloses waterproof polyurea paint as well as a preparation method and application thereof. The waterproof polyurea paint comprises the components in parts by weight: 3.5-4.0 parts of a poly aspartic acid ester polyurea resin, 0.010-0.015 part of an anti-settling agent, 0.50-1.0 part of titanium dioxide, 0.50-1.0 part of talcum powder, 0.010-0.015 part of a dispersing agent, 0.010-0.015 part of an antifoaming agent and 0.005-0.01 part of a flatting agent. The preparation method of the waterproof polyurea paint comprises the following steps: mixing the poly aspartic acid ester polyurea resin, the anti-settling agent, the titanium dioxide and the dispersing agent for the first time so as to obtain a mixed material, and adding the talcum powder, the antifoaming agent and the flatting agent to the mixed material for the second time. The waterproof polyurea paint disclosed by the invention has the advantages of high solid content, good stability, good water resistance, good weather resistance, good color retention, extremely good mechanical strength and extremely good adhesive force, and contains low VOC (volatile organic compounds), so that the waterproof polyurea paint is environmentally-friendly.
Description
Technical field
The present invention relates to paint field, particularly a kind of polyurea waterproof coating material and preparation method thereof and its application method.
Background technology
Along with the high speed development of Chinese national economy and improving constantly of living standards of the people, and the lifting of architect's design concept, buildings is more and more high-grade, multifunctional direction development.Therefore external wall product is also inevitable to new and high technology and multi-functional future development.Wherein, the waterproof paint being applicable to external wall is one of urgent material.This waterproof paint should overcome the conventional waterproof material such as list/double-composition polyurethane waterproof paint and vinylformic acid cruel class emulsion waterproofing paint not ageing-resistant, can not expose, intensity is not high, requires high to construction environment, and solidification is slow, the shortcomings such as inefficiency.
In order to overcome this defect of existing waterproof paint, presently disclosed a kind of spray-coating high-strength elastic waterproof paint of polyurea and constructional method thereof, the wherein semi prepolymer that synthesized by the diphenylmethane diisocyanate that liquefies cruel (MDI) and/or MDI and polyether glycol of component A, B component is by Amino Terminated polyether(ATPE), amine chain extender, various filler and auxiliary combination, its tensile strength is 13MPa, elongation at break is 400 tear strengths is 49kN/m, low-temperature bending flawless at-35 DEG C, 0.3MPa × 30min is waterproof.At disclosed another kind of polyurea elastomer construction engineering waterproof material, wherein component A is made up of isocyanic ester, B component is made up of amino-terminated epoxy alkane compound and diethyl toluene diamine etc., its tensile strength is 10MPa, elongation at break is 350%, tear strength is that 30kN/m, 0.3MPa × 30min is waterproof.At another polyurea waterproof coating material disclosed, it is matrix material by polyethers, polyester, adopts water as solvent.
From disclosed prior art content, current waterproof paint does not also have can possess weather resistant, tint retention simultaneously, and physical strength is not high and sticking power is not strong.
Summary of the invention
The object of the invention is to the above-mentioned deficiency overcoming prior art, a kind of polyurea waterproof coating material and preparation method thereof is provided, during to overcome existing waterproof paint difference, possess weather-proof, tint retention, and the technical problem that physical strength is not high and sticking power is not strong.
Another object of the present invention is to a kind of application method that polyurea waterproof coating material of the present invention is provided.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
A kind of polyurea waterproof coating material, comprises the component of following weight part:
And a kind of preparation method of polyurea waterproof coating material, comprises the steps:
Each component is obtained respectively according to the composition in the invention described above polyurea waterproof coating material and content;
Polyaspartic Polyurea resin, anti-settling agent, titanium white, dispersion agent are carried out first time mixing treatment, obtains mixture;
In described mixture, add talcum powder, defoamer and flow agent carry out second time mixing treatment.
And, the application method of polyurea waterproof coating material of the present invention, by polyurea waterproof coating material of the present invention and elastic cured dose of epoxy, according to weight, this is 3: this example of (1-1.05) carries out mixing treatment, forms paint slurry, described paint slurry is carried out coating masking on coated thing surface.
Polyurea waterproof coating material of the present invention adopts Polyaspartic Polyurea resin to be matrix component, under the effect of the components such as anti-settling agent, titanium white, talcum powder, dispersion agent, defoamer and flow agent, make this polyurea waterproof coating material solid content high (solid content high >=65%w/w), good stability.And containing the low environmental protection of VOC.This polyurea waterproof coating material mixes after film forming with solidifying agent, and its rete has excellent water-repellancy, weathering resistance and tint retention and fabulous physical strength and sticking power simultaneously.
Each component only need be added by step according to formula by above-mentioned polyurea waterproof coating material preparation method, each component is fully mixed, also without the need to special equipment through mixing treatment, therefore, the method technique is simple, is applicable to suitability for industrialized production, save energy consumption, reduce cost.And its house VOC composition is low, its production safety environmental protection.
This polyurea waterproof coating material and elastic cured dose of epoxy only need be carried out mixing treatment according to this example by the application method of above-mentioned polyurea waterproof coating material, and it is easy to use, and this polyurea waterproof coating material itself is low containing VOC composition, its use safety and environmental protection.
Accompanying drawing explanation
Fig. 1 is method flow diagram prepared by the embodiment of the present invention 1 polyurea waterproof coating material.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of weather-proof, tint retention, the polyurea waterproof coating material that physical strength is high and sticking power is good.This polyurea waterproof coating material, comprises the component of following weight part:
Wherein, Polyaspartic Polyurea resin as the matrix component of embodiment of the present invention polyurea waterproof coating material, its physical strength to embodiment of the present invention polyurea waterproof coating material, sticking power and water-repellancy and weather resistance important,
Because in one embodiment, this Polyaspartic Polyurea resin ethyl maleate and polyetheramine is carried out reaction at 45-55 DEG C prepare.In certain embodiments, in the system that ethyl maleate and polyetheramine react, the weight ratio of this ethyl maleate and polyetheramine is 1.0: (0.9 ~ 0.95).The Polyaspartic Polyurea resin prepared by the method has castering action to the physical strength of polyurea waterproof coating material of the present invention, sticking power and water-repellancy and weather resistance.
In certain embodiments, this Polyaspartic Polyurea resin content can be the weight parts such as 3.5 parts, 3.6 parts, 3.7 parts, 3.8 parts, 3.9 parts, 4.0 parts.
In one embodiment, at least one in organobentonite, polyamide wax class selected by above-mentioned anti-settling agent.In certain embodiments, the content of this anti-settling agent in polyurea waterproof coating material can be the weight part such as 0.01 part, 0.011 part, 0.012 part, 0.013 part, 0.014 part, 0.015 part.
Above-mentioned titanium white is to provide certain opacifying power in the effect of polyurea waterproof coating material.In certain embodiments, the content of this titanium white in polyurea waterproof coating material can be the weight parts such as 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1.0 parts.
Above-mentioned talcum powder is volumetric shrinkage when reducing paint solidification in the effect of polyurea waterproof coating material, improves wear resistance, the cohesiveness of coating, reduces costs, coating can also be made to have good storage stability and thermotolerance.In certain embodiments, the house amount of this talcum powder in polyurea waterproof coating material can be the weight parts such as 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1.0 parts.
In one embodiment, above-mentioned dispersion agent select unsaturated polyester carboxylic acid, polysiloxane-based at least one.In certain embodiments, the content of this dispersion agent in polyurea waterproof coating material can be the weight part such as 0.01 part, 0.012 part, 0.013 part, 0.014 part, 0.015 part.
In one embodiment, above-mentioned defoamer selects brokenly bubble polysiloxane-based.In certain embodiments, the content of this defoamer in polyurea waterproof coating material can be the weight part such as 0.01 part, 0.012 part, 0.013 part, 0.014 part, 0.015 part.
In one embodiment, above-mentioned flow agent selects at least one in polyether modified siloxane class.In certain embodiments, the content of this flow agent in polyurea waterproof coating material can be the weight part such as 0.005 part, 0.006 part, 0.007 part, 0.008 part, 0.009 part, 0.010 part.
Therefore, in one embodiment, above-mentioned polyurea waterproof coating material can also be the composition of following parts by weight:
The polyurea waterproof coating material that should contain preferably this routine component, by the controlling and adjustment to component concentration, makes polyurea waterproof coating material have more excellent physical strength, sticking power and water-repellancy and weather resistance.
From the above mentioned, polyurea waterproof coating material in the various embodiments described above adopts Polyaspartic Polyurea resin to be matrix component, under the effect of the components such as anti-settling agent, titanium white, talcum powder, dispersion agent, defoamer and flow agent, this polyurea waterproof coating material Gu She is measured high (solid content high >=65%w/w), good stability.And containing the low environmental protection of VOC.This polyurea waterproof coating material mixes after film forming with solidifying agent, and its rete has excellent water-repellancy, weathering resistance and tint retention and fabulous physical strength and sticking power simultaneously.In addition, by the control to constituent species and content, the performances such as the water-repellancy of polyurea waterproof coating material, weathering resistance and tint retention, physical strength and sticking power can be promoted further.
Correspondingly, the embodiment of the present invention additionally provides a kind of preparation method of above-mentioned polyurea waterproof coating material.This preparation method comprises the steps:
Step S01: obtain each component respectively according to the composition in polyurea waterproof coating material and house amount;
Step S02: Polyaspartic Polyurea resin, anti-settling agent, titanium white, dispersion agent are carried out first time mixing treatment, obtains mixture;
Step S03: add talcum powder, defoamer and flow agent and carry out second time mixing treatment in described mixture.
Particularly, in above-mentioned steps S01, each component of polyurea waterproof coating material as described above, in order to save length, does not repeat them here.
Wherein, Polyaspartic Polyurea resin can obtain according to Polyaspartic Polyurea process for preparing resins mentioned above preparation.In one embodiment, when adopting method above to prepare Polyaspartic Polyurea resin, be add in reactor to react by ethyl maleate and polyetheramine.
In addition, be id reaction in ethyl maleate and polyetheramine reaction process, without the need to adding solvent in addition.
First time mixing treatment in above-mentioned steps S02 is to make Polyaspartic Polyurea resin, anti-settling agent, titanium white, dispersion agent to mix, therefore in order to realize mixing of each component, in one embodiment, Polyaspartic Polyurea resin, anti-settling agent, titanium white, dispersion agent are disperseed 25 minutes in high-speed stirring.
In one embodiment, if this Polyaspartic Polyurea resin be according to above ethyl maleate and polyetheramine are carried out reaction prepare time, carry out first time mixing treatment in the reaction solution after the reaction that anti-settling agent, titanium white, dispersion agent directly can be accessed ethyl maleate and polyetheramine terminates.
Second time mixing treatment in above-mentioned steps S03 is to make talcum powder, defoamer and flow agent can mix in the mixture in step S02, forming uniform and stable coating system.
Each component only need be added by step according to formula by above-mentioned polyurea waterproof coating material preparation method, mixing treatment makes each component fully mix, without complicated procedures of forming, also without the need to special equipment, make the method technique simple, be applicable to suitability for industrialized production, saved energy consumption, reduce cost, and the polyurea waterproof coating material stable performance of preparation.
Above-mentioned polyurea waterproof coating material with and preparation method thereof basis on, the embodiment of the present invention additionally provides the application method of polyurea waterproof coating material mentioned above: by described polyurea waterproof coating material and elastic cured dose of epoxy, according to weight, this is 3: this example of (1-1.05) carries out mixing treatment, form paint slurry, described paint slurry is carried out coating masking on coated thing surface.
Therefore, this polyurea waterproof coating material and elastic cured dose of epoxy only need be carried out mixing treatment according to this example by the application method of this polyurea waterproof coating material, and it is easy to use, and this polyurea waterproof coating material itself is low containing VOC composition, its use safety and environmental protection.
Now with concrete polyurea waterproof coating material formula and be prepared as example, the present invention is further elaborated.
Embodiment 1
A kind of polyurea waterproof coating material component formula and preparation method thereof.This polyurea waterproof coating material is containing, for example the component of lower weight part:
As shown in Figure 1, it comprises following steps in its preparation method technical process:
S11. add in a kettle. weight this be 1.80: 1.63 ethyl maleate and polyetheramine EC310, be warming up to 50 DEG C, stir lower reaction 72 hours, be cooled to room temperature, obtain Polyaspartic Polyurea resin;
S12. in step S11, add anti-settling agent, titanium white, dispersion agent, high-speed stirring disperses 25 minutes, obtains mixture;
S13., after reducing rotating speed, obtaining to step S12 in mixture, adding talcum powder and defoamer, flow agent, stirring discharging after 15 minutes, pack to obtain polyaspartate polyurea waterproof coating material.
Embodiment 2
A kind of polyurea waterproof coating material component formula and preparation method thereof.This polyurea waterproof coating material house has the component of following weight part:
Its preparation method technical process is with reference to shown in Fig. 1, and it comprises following steps:
S21. add in a kettle. weight this be 1.80: 1.7 ethyl maleate and polyetheramine EC301, be warming up to 45 DEG C, stir lower reaction 72 hours, be cooled to room temperature, obtain Polyaspartic Polyurea resin;
S22. in step S21, add anti-settling agent, titanium white, dispersion agent, high-speed stirring disperses 25 minutes, obtains mixture;
S23., after reducing rotating speed, obtaining to step S22 in mixture, adding talcum powder and defoamer, flow agent, stirring discharging after 15 minutes, pack to obtain polyaspartate polyurea waterproof coating material.
Embodiment 3
A kind of polyurea waterproof coating material component formula and preparation method thereof.This polyurea waterproof coating material is containing, for example the component of lower weight part:
Its preparation method technical process is with reference to shown in Fig. 1, and it comprises following steps:
S31. add in a kettle. weight this be 1.80: 1.66 ethyl maleate and polyetheramine EC280, be warming up to 55 DEG C, stir lower reaction 72 hours, be cooled to room temperature, obtain Polyaspartic Polyurea resin;
S32. in step S31, add anti-settling agent, titanium white, dispersion agent, high-speed stirring disperses 25 minutes, obtains mixture;
S33., after reducing rotating speed, obtaining to step S32 in mixture, adding talcum powder and defoamer, flow agent, stirring discharging after 15 minutes, pack to obtain polyaspartate polyurea waterproof coating material.
Performance test
The polyurea waterproof coating material provided by above-described embodiment 1-3 ratio that elastic cured dose is 3: 1 according to weight ratio with epoxy respectively carries out mixing treatment, forms paint slurry, described paint slurry is carried out coating masking on coated thing surface.Respectively polyurea waterproof coating material and corresponding paint film are carried out as the correlated performance test in following table 1.The polyurea waterproof coating material wherein provided in embodiment 1 and corresponding paint film test result are as shown in following table 1.
Polyurea waterproof coating material technical parameter in table 1 embodiment 1
| Project | Technical parameter |
| Amount of solid content/% | ≥65 |
| Surface drying/h | ≤2 |
| Do solid work/h | ≤24 |
| Color | White |
| Duration of service/min (normal temperature) | 60min |
| Tensile strength/MPa | ≥20 |
| Tear strength/kN/m | ≥65 |
| Cohesive strength/MPa | ≥3.5 |
| Elongation at break/% | ≥60 |
| Artificial accelerated aging test Quva | 2000h |
| Acid resistance/240h | Paint film intact (5%NaHO solution) |
| Alkali resistance/240h | Intact (the 5%H of paint film 2S0 4Solution) |
| Water tolerance/30d | Paint film is intact |
| Hardness/Shao A | ≥65 |
As shown in Table 1, polyurea waterproof coating material amount of solid content high (solid content high >=65%w/w) prepared by embodiment 1, good stability, water-repellancy, weathering resistance and tint retention and fabulous physical strength and sticking power, and also house has the low environmental protection of VOC.
The polyurea waterproof coating material provided in embodiment 2 and corresponding paint film test result are as shown in following table 2.
Polyurea waterproof coating material technical parameter in table 2 embodiment 2
| Project | Technical parameter |
| Amount of solid content/% | ≥70 |
| Surface drying/h | ≤2 |
| Do solid work/h | ≤24 |
| Color | White |
| Duration of service/min (normal temperature) | 60min |
| Tensile strength/MPa | ≥20 |
| Tear strength/kN/m | ≥65 |
| Cohesive strength/MPa | ≥3.5 |
| Elongation at break/% | ≥60 |
| Artificial accelerated aging test Quva | 2000h |
| Acid resistance/240h | Paint film intact (5%NaHO solution) |
| Alkali resistance/240h | Intact (the 5%H of paint film 2SO 4Solution) |
| Water tolerance/30d | Paint film is intact |
| Hardness/Shao A | ≥65 |
As shown in Table 2, polyurea waterproof coating material solid part house amount high (solid content high >=70%w/w) prepared by embodiment 2, good stability, water-repellancy, weathering resistance and tint retention and fabulous physical strength and sticking power, and containing the low environmental protection of VOC.
In addition, in polyurea waterproof coating material test result and the table 1 of preparation in embodiment 3, test result is approximate.
Above-described embodiment 1-3 test result is known, and embodiment of the present invention polyurea waterproof coating material solid part house amount is high, good stability, water-repellancy, weathering resistance and tint retention and fabulous physical strength and sticking power, and containing the low environmental protection of VOC.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a polyurea waterproof coating material, comprises the component of following weight part:
2. polyurea waterproof coating material according to claim 1, is characterized in that: described in
3. polyurea waterproof coating material according to claim 1 and 2, is characterized in that: described Polyaspartic Polyurea resin ethyl maleate and polyetheramine is carried out reaction at 45-55 DEG C prepare.
4. polyurea waterproof coating material according to claim 3, is characterized in that: the weight ratio of described ethyl maleate and polyetheramine is 1.0: (0.9 ~ 0.95).
5. polyurea waterproof coating material according to claim 3, is characterized in that: described polyetheramine select polyetheramine EC310, EC301, EC280, at least one.
6. the polyurea waterproof coating material according to claim 1,2,4 or 5, is characterized in that: at least one in organobentonite, polyamide wax selected by described anti-settling agent; Or/and
Described dispersion agent selects unsaturated polyester carboxylic acid, polysiloxane-based at least one.
7. the polyurea waterproof coating material according to claim 1,2,4 or 5, is characterized in that: described defoamer selects brokenly bubble polysiloxane-based; Or/and
Described flow agent selects polyether modified siloxane class.
8. the polyurea waterproof coating material according to claim 1,2,4 or 5, is characterized in that: the solids content of described polyurea waterproof coating material is more than or equal to 65%; Or/and the surface drying time after its film forming is less than or equal to 2 hours, the time of doing solid work is less than or equal to 24 hours.
9. a preparation method for polyurea waterproof coating material, comprises the steps:
Each component is obtained respectively according to the composition in the polyurea waterproof coating material described in any one of claim 1-8 and content;
Polyaspartic Polyurea resin, anti-settling agent, titanium white, dispersion agent are carried out first time mixing treatment, obtains mixture;
In described mixture, add talcum powder, defoamer and flow agent carry out second time mixing treatment.
10. according to the application method of the arbitrary described polyurea waterproof coating material of claim 1-9, be 3 by described polyurea waterproof coating material and elastic cured dose of epoxy according to weight ratio: the ratio of (1-1.05) carries out mixing treatment, form paint slurry, described paint slurry is carried out coating masking on coated thing surface.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199588A (en) * | 2015-09-01 | 2015-12-30 | 江门市长河化工实业集团有限公司 | Polyurea terrace and preparation method thereof |
| CN105238241A (en) * | 2015-08-20 | 2016-01-13 | 成都拜迪新材料有限公司 | Method for preparing low-VOC (Volatile Organic Compound) high-solid-content polyurea anticorrosive primer |
| CN107474712A (en) * | 2017-08-18 | 2017-12-15 | 深圳飞扬骏研新材料股份有限公司 | A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof |
| CN113717622A (en) * | 2021-10-13 | 2021-11-30 | 深圳市深赛尔股份有限公司 | Asparagus resin-containing water-based self-repairing industrial coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101469246A (en) * | 2007-12-27 | 2009-07-01 | 上海涂料有限公司技术中心 | Preparation of polyaspartate polyurea waterproof coating material |
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2014
- 2014-12-31 CN CN201410857772.7A patent/CN104610861A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469246A (en) * | 2007-12-27 | 2009-07-01 | 上海涂料有限公司技术中心 | Preparation of polyaspartate polyurea waterproof coating material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238241A (en) * | 2015-08-20 | 2016-01-13 | 成都拜迪新材料有限公司 | Method for preparing low-VOC (Volatile Organic Compound) high-solid-content polyurea anticorrosive primer |
| CN105199588A (en) * | 2015-09-01 | 2015-12-30 | 江门市长河化工实业集团有限公司 | Polyurea terrace and preparation method thereof |
| CN107474712A (en) * | 2017-08-18 | 2017-12-15 | 深圳飞扬骏研新材料股份有限公司 | A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof |
| CN107474712B (en) * | 2017-08-18 | 2019-06-07 | 深圳飞扬骏研新材料股份有限公司 | A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof |
| CN113717622A (en) * | 2021-10-13 | 2021-11-30 | 深圳市深赛尔股份有限公司 | Asparagus resin-containing water-based self-repairing industrial coating and preparation method thereof |
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Application publication date: 20150513 |