CN104004434A - Waterborne epoxy varnish applied to damp ground and preparation method thereof - Google Patents
Waterborne epoxy varnish applied to damp ground and preparation method thereof Download PDFInfo
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- CN104004434A CN104004434A CN201410181854.4A CN201410181854A CN104004434A CN 104004434 A CN104004434 A CN 104004434A CN 201410181854 A CN201410181854 A CN 201410181854A CN 104004434 A CN104004434 A CN 104004434A
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Abstract
The invention discloses a waterborne epoxy varnish applied to a damp ground. The waterborne epoxy varnish comprises the following components in parts by weight: 50-60 parts of liquid epoxy resin, 10-15 parts of a surface active agent, 3-5 parts of a thixotropic wetting agent, 5-10 parts of a toughening agent, 10-30 parts of water, and 25-30 parts of an aliphatic anhydride curing agent. The waterborne epoxy varnish adopts the epoxy resin as a main part, is different from a market epoxy varnish with a waterborne curing agent as a main part, has the characteristics of low viscosity, good fluidity, excellent permeability, excellent chemical resistance, strong adhesion force on the damp concrete surface, good technical effects and quite environmental protection, and can effectively solve the problem that an ordinary epoxy varnish cannot be adhered on the damp concrete surface.
Description
Technical field:
The present invention relates to a kind of epoxy resin varnish, particularly relate to a kind of aqueous epoxy resins varnish that is applied to moist concrete surface.
Background technology:
Epoxy resin varnish has excellent bonding force to dry concrete after solidifying; can be attached to securely concrete surface; make concrete not play dirt; wear-resistant; resistance to chemical attack; for concrete provides protection and decorates, be widely used in the industrial premises such as food, pharmacy, electronics, machinery, chemical industry.But the problems such as on moist concrete surface, ordinary epoxy resin paint does not have bonding force after solidifying, and very easily occurs coming off, flake, foaming.Therefore, research and develop a kind of environment-friendly type aqueous epoxy resin varnish that can be applicable to wet ground and seem very necessary.
Summary of the invention:
Object of the present invention is to provide a kind of water-base epoxy varnish that is applied to wet ground and preparation method thereof, and this water-base epoxy varnish has environmental protection, smell is little, moist concrete surface bonding power is excellent and the simple feature of preparation technology.
For achieving the above object, a kind of water-base epoxy varnish that is applied to wet ground of the present invention comprises following component in weight part: 50～60 parts of liquid epoxiess, 10～15 parts, tensio-active agent, 3～5 parts of thixotroping wetting agents, 5～10 parts of toughner, 10～30 parts, water, 25～30 parts of aliphatic acid anhydride curing agents.
As technique scheme preferably, the epoxy equivalent (weight) of described epoxy resin is that 180-190 bisphenol A type epoxy resins or epoxy equivalent (weight) are 160--180 double F type epoxy resin.
As technique scheme preferably, described thixotroping wetting agent is polyurethanes or polypropylene ester compound.
As technique scheme preferably, described tensio-active agent is that HLB value is styrylphenol polyoxyethylene ether class or the ether sulfuric salt of 20--30.
As technique scheme preferably, described toughner is the compound that molecule includes soft segment, ehter bond and epoxy group(ing).
As technique scheme preferably, described aliphatic acid anhydride curing agents is polymeric amide or Modified by Aromatic Amines aliphatic acid anhydride curing agents.
First the preparation method who is applied to the water-base epoxy varnish of wet ground of the present invention comprises the steps:, liquid epoxies is heated in reactor to 60～70 ℃, then add successively while stirring tensio-active agent, thixotroping wetting agent, toughner and water, after the system that is stirred to is even, then be cooled to normal temperature, finally add solidifying agent.
Beneficial effect of the present invention is: this water-base epoxy varnish is to take epoxy resin as main body; be different from and take on the market the water-base epoxy varnish that waterborne curing agent is main body; have that viscosity is low, good fluidity, perviousness and chemical resistant properties is good, in the strong feature of moist concrete surface bonding power; can effectively solve common ring oxygen varnish can not be in the problem of moist concrete surface bonding, and technique effect well and very environmental protection.
Embodiment:
Embodiment mono-: a kind of water-base epoxy varnish that is applied to wet ground, comprises in weight part: 50 parts of liquid epoxiess, 10 parts, tensio-active agent, 3 parts of thixotroping wetting agents, 5 parts of toughner, 32 parts, water, 25 parts of aliphatic acid anhydride curing agents.
Wherein, the epoxy equivalent (weight) of epoxy resin is 180--190 bisphenol A type epoxy resin; Tensio-active agent is that HLB value is 26 styrylphenol polyoxyethylene ether class; Thixotroping wetting agent is polyurethanes compound; Toughner is the compound that molecule includes soft segment, ehter bond and epoxy group(ing); Aliphatic acid anhydride curing agents is polyamide modified aliphatic acid anhydride curing agents.
The preparation method of above-mentioned water-base epoxy varnish comprises the steps: liquid epoxies to be heated in reactor to 65 ℃, the stirring velocity of stirrer is transferred to 1000 revs/min, then add successively tensio-active agent, thixotroping wetting agent, toughner and water, stir 20 minutes to system evenly after, be cooled to (25 ℃) under normal temperature, add polyamide modified aliphatic acid anhydride curing agents.
Embodiment bis-: a kind of water-base epoxy varnish that is applied to wet ground, comprises in weight part: 60 parts of liquid epoxiess, 15 parts, tensio-active agent, 5 parts of thixotroping wetting agents, 10 parts of toughner, 10 parts, water, 30 parts of aliphatic acid anhydride curing agents.
Wherein, the epoxy equivalent (weight) of epoxy resin is 180--190 bisphenol f type epoxy resin; Tensio-active agent is that HLB value is 33 ether sulfuric salt; Thixotroping wetting agent is polyacrylacid ester compounds; Toughner is the compound that molecule includes soft segment, ehter bond and epoxy group(ing); Aliphatic acid anhydride curing agents is Modified by Aromatic Amines aliphatic acid anhydride curing agents.
The preparation method of above-mentioned water-base epoxy varnish comprises the steps: liquid epoxies to be heated in reactor to 65 ℃, the stirring velocity of stirrer is transferred to 800 revs/min, then add successively tensio-active agent, thixotroping wetting agent, toughner and water, stir 30 minutes to system evenly after, be cooled to (20 ℃) under normal temperature, add Modified by Aromatic Amines aliphatic acid anhydride curing agents.
Comparative example:
A water-base epoxy varnish, in weight part, comprising: 45 parts of aqueous epoxy curing agents, 10 parts, water, 5 parts of wetting agents, 5 parts of toughner, 25 parts of liquid epoxiess.
Wherein, the epoxy equivalent (weight) of epoxy resin is 180--190 bisphenol A type epoxy resin; Wetting agent is polyacrylacid ester compounds; Toughner is the compound that molecule includes soft segment, ehter bond and epoxy group(ing); Epoxy hardener is watersoluble modified aliphatic firming agent.
Preparation method's following steps of above-mentioned epoxy resin varnish: liquid epoxies is added in reactor, the stirring velocity of stirrer is transferred to 800 revs/min, then adds successively wetting agent, toughner, stir 15 minutes to system evenly after, finally add watersoluble modified aliphatic firming agent and water.
Concrete outcome sees the following form 1:
The aqueous epoxy resins varnish bonding strength of table 1 embodiment and comparative example, perviousness contrast
| Embodiment | Bonding strength (MPA) | Perviousness (mm) |
| Embodiment mono- | 2.2 | 1.5 |
| Embodiment mono- | 2.0 | 1.3 |
| Comparative example | 0.3 | 0.2 |
As seen from Table 1, the water-base epoxy varnish that is applied to wet ground of the present invention is significantly being better than traditional water-base epoxy varnish aspect bonding strength and perviousness.
It should be noted that: above embodiment not imposes any restrictions the content of composition of the present invention, any modification, equivalent variations and decoration that every foundation technical spirit of the present invention or composition components or content are done, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. be applied to a water-base epoxy varnish for wet ground, it is characterized in that comprising following component in weight part: 50～60 parts of liquid epoxiess, 10～15 parts, tensio-active agent, 3～5 parts of thixotroping wetting agents, 5～10 parts of toughner, 10～30 parts, water, 25～30 parts of aliphatic acid anhydride curing agents.
2. the water-base epoxy varnish that is applied to wet ground according to claim 1, is characterized in that: the epoxy equivalent (weight) of described epoxy resin is that 180-190 bisphenol A type epoxy resins or epoxy equivalent (weight) are 160--180 double F type epoxy resin.
3. the water-base epoxy varnish that is applied to wet ground according to claim 1, is characterized in that: described thixotroping wetting agent is polyurethanes or polypropylene ester compound.
4. the water-base epoxy varnish that is applied to wet ground according to claim 1, is characterized in that: described tensio-active agent is styrylphenol polyoxyethylene ether class or the ether sulfuric salt that HLB value is 20--30.
5. the water-base epoxy varnish that is applied to wet ground according to claim 1, is characterized in that: described toughner is the compound that molecule includes soft segment, ehter bond and epoxy group(ing).
6. the water-base epoxy varnish that is applied to wet ground according to claim 1, is characterized in that: described aliphatic acid anhydride curing agents is polymeric amide or Modified by Aromatic Amines aliphatic acid anhydride curing agents.
7. prepare the method that is applied to the water-base epoxy varnish of wet ground claimed in claim 1, it is characterized in that comprising the steps: first, liquid epoxies is heated in reactor to 60～70 ℃, then add successively while stirring tensio-active agent, thixotroping wetting agent, toughner and water, after the system that is stirred to is even, be cooled to again normal temperature, finally add solidifying agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410181854.4A CN104004434A (en) | 2014-04-30 | 2014-04-30 | Waterborne epoxy varnish applied to damp ground and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410181854.4A CN104004434A (en) | 2014-04-30 | 2014-04-30 | Waterborne epoxy varnish applied to damp ground and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106189715A (en) * | 2016-08-26 | 2016-12-07 | 安徽建邦建材有限公司 | A kind of adhesion is strong and the preparation method of impermeabilisation insulating layer of external wall of building coating |
| CN106590323A (en) * | 2015-10-20 | 2017-04-26 | 立邦涂料（中国）有限公司 | Special type water-based epoxy floor paint as well as preparation method and application thereof |
| CN107418372A (en) * | 2017-07-14 | 2017-12-01 | 中科院广州化灌工程有限公司 | A kind of osmosis type Water-base epoxy waterproof paint and preparation method thereof |
| CN111171680A (en) * | 2019-12-31 | 2020-05-19 | 北京东方雨虹防水技术股份有限公司 | Epoxy resin base layer treating agent matched with polyurethane waterproof coating for wet base layer and preparation method thereof |
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| JP2006206709A (en) * | 2005-01-27 | 2006-08-10 | Aica Kogyo Co Ltd | Epoxy primer composition |
| CN101392143A (en) * | 2008-10-28 | 2009-03-25 | 深圳市广田环保涂料有限公司 | Water epoxy seal coat and preparation method and use method thereof |
| CN102212247A (en) * | 2011-04-29 | 2011-10-12 | 宏昌电子材料股份有限公司 | Aqueous epoxy resin composition and preparation method thereof |
| CN103694848A (en) * | 2013-12-03 | 2014-04-02 | 常州市拉特涂料有限公司 | Water-borne epoxy anticorrosive paint for concrete surface |
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2014
- 2014-04-30 CN CN201410181854.4A patent/CN104004434A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006206709A (en) * | 2005-01-27 | 2006-08-10 | Aica Kogyo Co Ltd | Epoxy primer composition |
| CN101392143A (en) * | 2008-10-28 | 2009-03-25 | 深圳市广田环保涂料有限公司 | Water epoxy seal coat and preparation method and use method thereof |
| CN102212247A (en) * | 2011-04-29 | 2011-10-12 | 宏昌电子材料股份有限公司 | Aqueous epoxy resin composition and preparation method thereof |
| CN103694848A (en) * | 2013-12-03 | 2014-04-02 | 常州市拉特涂料有限公司 | Water-borne epoxy anticorrosive paint for concrete surface |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590323A (en) * | 2015-10-20 | 2017-04-26 | 立邦涂料（中国）有限公司 | Special type water-based epoxy floor paint as well as preparation method and application thereof |
| CN106590323B (en) * | 2015-10-20 | 2020-02-14 | 立邦涂料（中国）有限公司 | Special water-based epoxy floor paint and preparation method and application thereof |
| CN106189715A (en) * | 2016-08-26 | 2016-12-07 | 安徽建邦建材有限公司 | A kind of adhesion is strong and the preparation method of impermeabilisation insulating layer of external wall of building coating |
| CN107418372A (en) * | 2017-07-14 | 2017-12-01 | 中科院广州化灌工程有限公司 | A kind of osmosis type Water-base epoxy waterproof paint and preparation method thereof |
| CN107418372B (en) * | 2017-07-14 | 2019-12-31 | 中科院广州化灌工程有限公司 | Permeable water-based epoxy waterproof coating and preparation method thereof |
| CN111171680A (en) * | 2019-12-31 | 2020-05-19 | 北京东方雨虹防水技术股份有限公司 | Epoxy resin base layer treating agent matched with polyurethane waterproof coating for wet base layer and preparation method thereof |
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