CN105368252A - Waterproof coating and preparation method and application thereof - Google Patents
Waterproof coating and preparation method and application thereof Download PDFInfo
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- CN105368252A CN105368252A CN201510796119.9A CN201510796119A CN105368252A CN 105368252 A CN105368252 A CN 105368252A CN 201510796119 A CN201510796119 A CN 201510796119A CN 105368252 A CN105368252 A CN 105368252A
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- waterproof paint
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Abstract
The present invention provides a waterproof coating and a preparation method and application thereof, belongs to the technical field of waterproof materials, and can solve the problems of poor long-term waterproof effect and application limitations of the water-based waterproof coating existing. The waterproof coating includes A and B two components, the A component includes epoxy resin, a diluent, a defoamer, a leveling agent, a dispersant, a thickener, a filler and other raw materials; and the B component includes an epoxy curing agent, a thickener, a filler and other materials. When in use, the A and B two components are mixed and then applied to obtain a dense waterproof coating film. The epoxy curing agent and the epoxy resin are mixed for reaction for film-forming, the obtained waterproof coating film is dense, water does not enter the film when the film is immersed by the water, the bonding strength is excellent; after long-term water immersion for 30 days, the bonding strength of the waterproof coating film can still be up to 3MPa or more, and the tensile strength can be up to 15MPa or more. The waterproof coating is applicable to a wide range, and when the waterproof coating is used in concrete, steel and wood materials, the long-term water immersion-resistant properties are good.
Description
Technical field
The invention belongs to water-proof material technical field, be specifically related to a kind of waterproof paint and its preparation method and application.
Background technology
Coating refers generally to be coated in protected or decorated body surface, and can form the continuous film of firm attachment with coated article.At present, waterproof paint is divided into solvent-type waterproofing paint and the large class of aqueous waterproofing paint two, solvent-type waterproofing paint is because containing organic solvents such as benzene, so to human body and all toxic side effect with polluting of environment, if and solvent-type waterproofing paint contacts with water for a long time, the phenomenon such as esterification, be full of cracks can occur and leak, and its cost is higher.Therefore, in recent years, the aqueous waterproofing paint of environmentally safe is developed rapidly.
Contriver finds that in prior art, at least there are the following problems: 1. the application specific aim of existing aqueous waterproofing paint is stronger, the coating being such as exclusively used in steel plate is not good for its performance after timber, is exclusively used in the not good for its performance after steel plate of cement matrix.2. existing aqueous waterproofing paint long-term water-repellancy effect is undesirable.
Summary of the invention
The present invention is directed to the long-term waterproof effect of existing aqueous waterproofing paint poor, application has circumscribed problem, provides a kind of waterproof paint and its preparation method and application.
The technical scheme that solution the technology of the present invention problem adopts is:
A kind of waterproof paint, comprises A, B two components,
Described component A comprises the raw material of following parts by weight: epoxy resin 30 ~ 75 parts, thinner 5 ~ 8 parts, defoamer 0.5 ~ 1 part, flow agent 0.5 ~ 0.8 part, dispersion agent 0.5 ~ 1 part, thickening material 0 ~ 3 part, filler 0 ~ 55 part;
Described B component comprises the raw material of following parts by weight: epoxy hardener 10 ~ 40 parts, thickening material 0 ~ 3 part, filler 0 ~ 55 part;
Wherein, total number of the thickening material in described component A and the thickening material in described B component is 2 ~ 3 parts; Total number of the filler in the filler in described component A and described B component is 50 ~ 55 parts.
Preferably, described epoxy hardener comprises one or both the mixture in water-soluble fatty amine curing agent, polyamide curing agent.
Preferably, described epoxy resin comprises one or more the mixture in bisphenol A epoxide resin, bisphenol F epoxy resin, novolac epoxy.
Preferably, the weight ratio of described epoxy resin and epoxy hardener is 45 ~ 55:20 ~ 30.
Preferably, described thickening material comprises organobentonite;
Described filler comprises one or more the mixture in barium sulfate, mica powder, talcum powder, cement, calcium carbonate, silica powder.
Preferably, described defoamer comprises silicone antifoam agent; Preferably, described defoamer is selected from BKY defoamer or enlightening height 902W defoamer.
Preferably, described thinner comprises the mixture of one or more in polypropylene glycol diglycidyl ether, ethylene glycol diglycidylether, benzyl glycidyl ether.
Preferably, described dispersion agent comprises one or more the mixture in BKY-104S dispersion agent, HX-4020 dispersion agent, HX-4040 dispersion agent, 5040 dispersion agents, enlightening height 740W dispersion agent;
Described flow agent comprises polysiloxane-based or esters of acrylic acid flow agent.
The present invention also provides a kind of preparation method of above-mentioned waterproof paint, comprises the following steps:
By weight, respectively the raw material of component A is mixed, the raw material of B component is mixed.
The present invention also provides the application of a kind of above-mentioned waterproof paint in concrete, steel, timber, is specially: apply after component A being mixed with B component.
Waterproof paint of the present invention comprises A, B two components, and component A comprises epoxy resin, thinner, defoamer, flow agent, dispersion agent, thickening material, the raw materials such as filler; B component comprises epoxy hardener, thickening material, the raw materials such as filler.During use, coating after A, B two component mixing can be obtained fine and close waterproof coating.Waterproof paint of the present invention is aqueous waterproofing paint, uses environmental protection, nontoxic pollution-free.The present invention reacts film forming after adopting epoxy hardener to mix with epoxy resin, and the waterproof coating obtained is fine and close, and water logging does not enter, and its cohesive strength is excellent.The resistance to long-term water soaking of waterproof paint of the present invention, soaks 30 days for a long time by the base material being coated with waterproof paint of the present invention, and the bonding strength of waterproof coating still can reach more than 3MPa, and tensile strength can reach more than 15MPa.Waterproof paint of the present invention is applied widely, uses it in concrete, steel, timber, and resistance to long-term robust water immersion performance is all good.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of waterproof paint, comprises A, B two components,
Described component A comprises the raw material of following parts by weight: epoxy resin 30 ~ 75 parts, thinner 5 ~ 8 parts, defoamer 0.5 ~ 1 part, flow agent 0.5 ~ 0.8 part, dispersion agent 0.5 ~ 1 part, thickening material 0 ~ 3 part, filler 0 ~ 55 part;
Described B component comprises the raw material of following parts by weight: epoxy hardener 10 ~ 40 parts, thickening material 0 ~ 3 part, filler 0 ~ 55 part;
Wherein, total number of the thickening material in described component A and the thickening material in described B component is 2 ~ 3 parts; Total number of the filler in the filler in described component A and described B component is 50 ~ 55 parts.
The waterproof paint of the present embodiment is aqueous waterproofing paint, uses environmental protection, nontoxic pollution-free.It reacts film forming after adopting epoxy hardener to mix with epoxy resin, and the waterproof coating obtained is fine and close, and water logging does not enter, and its cohesive strength is excellent.And the resistance to long-term water soaking of this waterproof paint, soaked for a long time 30 days by the base material being coated with the waterproof paint of the present embodiment, the bonding strength of waterproof coating still can reach more than 3MPa, and tensile strength can reach more than 15MPa.The waterproof paint of the present embodiment is applied widely, uses it in concrete, steel, timber, and resistance to long-term robust water immersion performance is all good.
Embodiment 2:
The present embodiment provides a kind of waterproof paint, comprises A, B two components,
Described component A comprises the raw material of following parts by weight: epoxy resin 30 ~ 75 parts, thinner 5 ~ 8 parts, defoamer 0.5 ~ 1 part, flow agent 0.5 ~ 0.8 part, dispersion agent 0.5 ~ 1 part, thickening material 2 ~ 3 parts, filler 50 ~ 55 parts;
Described B component comprises the raw material of following parts by weight: epoxy hardener 10 ~ 40 parts.
In use, above-mentioned A, B component are mixed brushing on steel construction, cement, timber.
Embodiment 3:
The present embodiment provides a kind of waterproof paint, comprises A, B two components,
Described component A comprises the raw material of following parts by weight: epoxy resin 30 ~ 75 parts, thinner 5 ~ 8 parts, defoamer 0.5 ~ 1 part, flow agent 0.5 ~ 0.8 part, dispersion agent 0.5 ~ 1 part;
Described B component comprises the raw material of following parts by weight: epoxy hardener 10 ~ 40 parts, thickening material 2 ~ 3 parts, filler 50 ~ 55 parts.
In use, above-mentioned A, B component are mixed brushing on steel construction, cement, timber.
Embodiment 4-8:
Embodiment 4-8 provides a kind of waterproof paint, and the waterproof paint raw material weight number of embodiment 4-8 is in table 1.
Table 1
By above-described embodiment 4 ~ 8, waterproof paint prepared by comparative example 1,2 carries out performance test, testing method adopts PosiTest Pulling escape, the performance test results is as follows: wherein, table 2 is embodiment 4 ~ 8, and waterproof paint prepared by comparative example 1,2 is painted on the performance test results of the cohesive strength after different substrate materials.Table 3 is painted on different substrate materials for waterproof paint embodiment 4 ~ 8 prepared, and within 200 days in water, soaks rear phenomenon.
The performance test of table 2 cohesive strength
| Cohesive strength (MPa) | Timber | Cast Steel Plate | Stainless steel plate | Dry cement base material | Wet cement base material |
| Embodiment 4 | 1.5 | 6.2 | 4.3 | 3.9 | 2.8 |
| Embodiment 5 | 1.7 | 6.4 | 4.1 | 3.6 | 2.6 |
| Embodiment 6 | 1.7 | 7.1 | 4.5 | 3.7 | 2.3 |
| Embodiment 7 | 1.2 | 6.4 | 3.1 | 3.9 | 2.7 |
| Embodiment 8 | 1.5 | 6.1 | 5.7 | 4.5 | 2.8 |
| Comparative example 1 | 0 | 0.9 | 0.2 | 0.1 | 0.6 |
| Comparative example 2 | 0.5 | 0.6 | 0.5 | 1.8 | 1.1 |
Table 3 soaks phenomenon in 200 days in water
| Project | Timber | Cast Steel Plate | Stainless steel plate | Dry cement base material | Wet cement base material |
| Embodiment 4 | Turn white, without destroying | Without destroying | Without destroying | Without destroying | Without destroying |
| Embodiment 5 | Turn white, without destroying | Without destroying | Foaming, hollowing | Without destroying | Without destroying |
| Embodiment 6 | Turn white, without destroying | Without destroying | Foaming, hollowing | Without destroying | Without destroying |
| Embodiment 7 | Turn white, without destroying | Without destroying | Foaming, hollowing | Without destroying | Without destroying |
| Embodiment 8 | Turn white, without destroying | Without destroying | Foaming, hollowing | Without destroying | Without destroying |
| Comparative example 1 | Turn white, come off | Bubble | Entirety is peeled off | Without destroying | Cannot bond |
| Comparative example 2 | Turn white, peel off | Peel off | Cannot bond | Turn white | Turn white |
From the test result of table 2, table 3, waterproof paint prepared by embodiment 4 ~ 8 can for multiple base material, and all there is excellent cohesive strength, after long-term water soaking on the base materials such as timber, cast steel, dry cement base material, wet cement base material without phenomenons such as hollowing, foaming come off.
Embodiment 9
The present embodiment provides a kind of waterproof paint, and its preparation method is similar to Example 4, and the difference of itself and embodiment 4 is:
Epoxy hardener is: polyamide curing agent.
Embodiment 10
The present embodiment provides a kind of waterproof paint, and its preparation method is similar to Example 4, and the difference of itself and embodiment 4 is:
Defoamer is: BKY defoamer.
Embodiment 11
The present embodiment provides a kind of waterproof paint, and its preparation method is similar to Example 4, and the difference of itself and embodiment 4 is:
Thinner is: ethylene glycol diglycidylether.
Embodiment 12 ~ 14
Embodiment 12 ~ 14 the present embodiment provides a kind of waterproof paint, and its preparation method is similar to Example 4, and the difference of itself and embodiment 4 is:
Dispersion agent is respectively: BKY-104S dispersion agent, HX-4020 dispersion agent, HX-4040 dispersion agent.
After tested, the waterproof paint performance of embodiment 9 ~ 14 waterproof paint and embodiment 4 is close.
Obviously, the concrete raw material number of the various embodiments described above also can carry out many changes; Such as: the raw material of other commercially available model all can reach the similar technique effect of above-described embodiment, and thickening material, filler can add in component A, also can add in B component, the gained waterproof paint impact of performance and embodiment 4 close.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a waterproof paint, is characterized in that, comprises A, B two components,
Described component A comprises the raw material of following parts by weight: epoxy resin 30 ~ 75 parts, thinner 5 ~ 8 parts, defoamer 0.5 ~ 1 part, flow agent 0.5 ~ 0.8 part, dispersion agent 0.5 ~ 1 part, thickening material 0 ~ 3 part, filler 0 ~ 55 part;
Described B component comprises the raw material of following parts by weight: epoxy hardener 10 ~ 40 parts, thickening material 0 ~ 3 part, filler 0 ~ 55 part;
Wherein, total number of the thickening material in described component A and the thickening material in described B component is 2 ~ 3 parts; Total number of the filler in the filler in described component A and described B component is 50 ~ 55 parts.
2. waterproof paint according to claim 1, is characterized in that, described epoxy hardener comprises one or both the mixture in water-soluble fatty amine curing agent, polyamide curing agent.
3. waterproof paint according to claim 1, is characterized in that, described epoxy resin comprises one or more the mixture in bisphenol A epoxide resin, bisphenol F epoxy resin, novolac epoxy.
4. waterproof paint according to claim 1, is characterized in that, the weight ratio of described epoxy resin and epoxy hardener is 45 ~ 55:20 ~ 30.
5. waterproof paint according to claim 1, is characterized in that, described thickening material comprises organobentonite;
Described filler comprises one or more the mixture in barium sulfate, mica powder, talcum powder, cement, calcium carbonate, silica powder.
6. waterproof paint according to claim 1, is characterized in that, described defoamer comprises silicone antifoam agent; Preferably, described defoamer is selected from BKY defoamer or enlightening height 902W defoamer.
7. waterproof paint according to claim 1, is characterized in that, described thinner comprises the mixture of one or more in polypropylene glycol diglycidyl ether, ethylene glycol diglycidylether, benzyl glycidyl ether.
8. waterproof paint according to claim 1, is characterized in that, described dispersion agent comprises one or more the mixture in BKY-104S dispersion agent, HX-4020 dispersion agent, HX-4040 dispersion agent, 5040 dispersion agents, enlightening height 740W dispersion agent;
Described flow agent comprises polysiloxane-based or esters of acrylic acid flow agent.
9. a preparation method for waterproof paint, is characterized in that, described waterproof paint is the waterproof paint described in any one of claim 1 ~ 8, comprises the following steps:
By weight, respectively the raw material of component A is mixed, the raw material of B component is mixed.
10. the application of waterproof paint in concrete, steel construction, timber, is characterized in that, described waterproof paint is the waterproof paint described in any one of claim 1 ~ 8, is specially: apply after component A being mixed with B component.
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| CN201510796119.9A CN105368252A (en) | 2015-11-18 | 2015-11-18 | Waterproof coating and preparation method and application thereof |
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| CN201510796119.9A CN105368252A (en) | 2015-11-18 | 2015-11-18 | Waterproof coating and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065258A (en) * | 2016-06-03 | 2016-11-02 | 广东禹能建材科技股份有限公司 | A kind of aqueous strengthened water proof coating and preparation method thereof |
| CN106634520A (en) * | 2016-12-28 | 2017-05-10 | 华北水利水电大学 | Water conservancy project waterproof paint |
| CN107936757A (en) * | 2017-10-30 | 2018-04-20 | 合肥林邦门业有限公司 | A kind of waterproof timber aqueous epoxide resin paint |
| CN113637384A (en) * | 2021-07-26 | 2021-11-12 | 东方雨虹民用建材有限责任公司 | Environment-friendly epoxy resin composite waterproof coating, preparation method and construction method thereof, and waterproof coating |
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| CN101613220A (en) * | 2008-06-25 | 2009-12-30 | 中冶集团建筑研究总院 | Environment-friendly osmotic sealing bottom coating for concrete |
| CN101619189A (en) * | 2009-07-16 | 2010-01-06 | 青岛红树林投资有限公司 | Underwater solventless epoxy anti-corrosive coating and preparation method thereof |
| CN102690583A (en) * | 2012-06-13 | 2012-09-26 | 天长市银狐漆业有限公司 | Anti-corrosion coating composition |
| CN104927565A (en) * | 2015-05-29 | 2015-09-23 | 大禹伟业(北京)国际科技有限公司 | Waterproof solvent-free epoxy resin coating in drinking water project and construction method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101613220A (en) * | 2008-06-25 | 2009-12-30 | 中冶集团建筑研究总院 | Environment-friendly osmotic sealing bottom coating for concrete |
| CN101619189A (en) * | 2009-07-16 | 2010-01-06 | 青岛红树林投资有限公司 | Underwater solventless epoxy anti-corrosive coating and preparation method thereof |
| CN102690583A (en) * | 2012-06-13 | 2012-09-26 | 天长市银狐漆业有限公司 | Anti-corrosion coating composition |
| CN104927565A (en) * | 2015-05-29 | 2015-09-23 | 大禹伟业(北京)国际科技有限公司 | Waterproof solvent-free epoxy resin coating in drinking water project and construction method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065258A (en) * | 2016-06-03 | 2016-11-02 | 广东禹能建材科技股份有限公司 | A kind of aqueous strengthened water proof coating and preparation method thereof |
| CN106634520A (en) * | 2016-12-28 | 2017-05-10 | 华北水利水电大学 | Water conservancy project waterproof paint |
| CN106634520B (en) * | 2016-12-28 | 2019-02-15 | 华北水利水电大学 | A kind of hydraulic engineering water-repellent paint |
| CN107936757A (en) * | 2017-10-30 | 2018-04-20 | 合肥林邦门业有限公司 | A kind of waterproof timber aqueous epoxide resin paint |
| CN113637384A (en) * | 2021-07-26 | 2021-11-12 | 东方雨虹民用建材有限责任公司 | Environment-friendly epoxy resin composite waterproof coating, preparation method and construction method thereof, and waterproof coating |
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Effective date of abandoning: 20190531 |