CN109354971A - A kind of corrosion-resistant epoxy coating for building - Google Patents

A kind of corrosion-resistant epoxy coating for building Download PDF

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Publication number
CN109354971A
CN109354971A CN201811229567.0A CN201811229567A CN109354971A CN 109354971 A CN109354971 A CN 109354971A CN 201811229567 A CN201811229567 A CN 201811229567A CN 109354971 A CN109354971 A CN 109354971A
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Prior art keywords
corrosion
epoxy resin
resistant epoxy
resistant
resin
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CN201811229567.0A
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Chinese (zh)
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不公告发明人
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Fuzhou Beauty Network Technology Co Ltd
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Fuzhou Beauty Network Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates 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
    • C08G59/14Polycondensates modified by chemical after-treatment
    • C08G59/1433Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
    • C08G59/1477Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/48Stabilisers against degradation by oxygen, light or heat
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/221Oxides; Hydroxides of metals of rare earth metal
    • C08K2003/2213Oxides; Hydroxides of metals of rare earth metal of cerium

Abstract

The invention discloses a kind of corrosion-resistant epoxy coatings for building, the weight percent of each raw material are as follows: corrosion-resistant epoxy resin 45-60%, titanium dioxide 10-15%, compound ultraviolet light screener 10-15%, curing agent 3-8%, levelling agent 0.5-1.2%, defoaming agent 0.3-0.8%, surplus is solvent;First by being modified to amino silicone, ring-opening polymerization occurs for the epoxy group in the amino and epoxy resin in modified organic silicone resin, then the double bond on composite epoxy resin is oxidized to alkylene oxide, further increases the adhesive strength and anti-aging property of epoxy resin;The modified organic silicon fat chain of introducing substantially increases the antiseptic property of epoxy coating so that epoxy coating has low double layer capacity and high reaction resistance.

Description

A kind of corrosion-resistant epoxy coating for building
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of corrosion-resistant epoxy coating for building.
Background technique
Building Prolonged exposure is in outdoor, and by rain erosion and exposure in sunshine, be easily corroded aging, and corrosion is as building One of principal mode of material failure causes great harm to national economy, is in building surface coating organic coating Current most economical, efficient method.Epoxy resin have lot of advantages, such as: superior mechanical strength, thermal stability, cementability, Insulating properties and anti-corrosive properties are the most widely used a kind of resins in corrosion-resistant field.However, for pure epoxy resin, Its viscosity is larger, and tridimensional network is presented after solidification, leads to various disadvantages, as humidity resistance is poor, weatherability difference and brittleness are big Deng, it is difficult to the heavy antisepsis requirement of building field is adapted to, therefore the antiseptic property for improving epoxy resin is imperative.
Summary of the invention
The purpose of the present invention is to provide a kind of corrosion-resistant epoxy coatings for building, first by amino silicone Resin is modified, and ring-opening polymerization occurs for the epoxy group in the amino and epoxy resin in modified organic silicone resin, is introduced Modified organic silicon fat chain so that epoxy coating have low double layer capacity and high reaction resistance, substantially increase asphalt mixtures modified by epoxy resin The antiseptic property of grease coating material.
The technical problem to be solved in the invention are as follows:
(1) tridimensional network is presented after existing epoxy resin cure, leads to epoxy coating poor corrosion resistance, weather-proof Property is poor, brittleness is easy to crack greatly;
(2) existing epoxy resin is modified through organic siliconresin, causes to be bonded since epoxy group open loop participates in reaction Reduced performance, so as to cause the perishable aging of epoxy coating;
(3) covering power of titanium dioxide is weaker, can not shielding ultraviolet rays completely incidence, epoxy resin film rapid aging drop Solution.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of corrosion-resistant epoxy coating for building, the weight percent of each raw material are as follows: corrosion-resistant epoxy resin 45-60%, titanium dioxide 10-15%, compound ultraviolet light screener 10-15%, curing agent 3-8%, levelling agent 0.5-1.2%, defoaming Agent 0.3-0.8%, surplus are solvent;
The preparation method of the corrosion-resistant epoxy resin, specifically includes the following steps:
The synthesis of S1, modified organic silicone resin
Amino silicone 1, modifying agent maleic anhydride 2 and solvent n,N-Dimethylformamide are added in reaction flask, In the environment of nitrogen, it is heated to 90-100 DEG C of progress acylation reaction 40-60min, acid catalyst is subsequently added into, is warming up to 130- 140 DEG C, cyclization dehydration 3h is carried out to get modified organic silicone resin 3 has been arrived;
Reaction equation is as follows:
S2, modified organic silicone resin and epoxy resin it is compound
Epoxy resin 4 is dissolved in double solvents, is heated to 70-75 DEG C, catalyst is added, is and then added dropwise and is modified Organic siliconresin 3 keeps temperature-resistant, drips in 30min, be warming up to 115 DEG C, and the reaction was continued 2.5h has been obtained compound Epoxy resin 5;
N in the epoxy resin 4 is 8-12;
Reaction equation is as follows:
Ring-opening polymerization occurs for the epoxy group in the amino and epoxy resin in modified organic silicone resin, introduces linear Organosilicon fat chain and amide group are flexible chain, increase the flexibility of composite epoxy resin, can effectively make up asphalt mixtures modified by epoxy resin The expansion rate of the contraction that rouge generates when solidifying, composite epoxy resin reaches 1.1%, it might even be possible to the material slightly expanded, To improve the adhesive strength and impact strength of composite epoxy resin;
Because main chain is inorganic Si-O key in modified organic silicone resin, bond energy is higher, and the high temperature with inorganic material is steady Qualitative and high rigidity;Small molecule has firmly wedged epoxy cross-linking by way of chemistry key connection containing the short chain of modified organic silicone resin In network, increase compact in paint film degree, while the Si-O key bond energy generated is big, generates chemistry with the hydroxyl bond on construction substrate surface Bonding, C-Si is again rotatable, improves the tensile strength and adhesive force of composite epoxy resin paint film;It is introduced in composite epoxy resin After the low silicon oxygen bond of surface energy, paint film hydrophobicity increases, to significantly improve the weatherability and corrosion resistance of coating;
The preparation of S3, corrosion-resistant epoxy resin
Composite epoxy resin 5 is dissolved in ethyl alcohol, phase transfer catalyst, dimethyl methane dioxide is added, at 35-40 DEG C Stirring carries out epoxidation reaction 1-1.5h, has obtained corrosion-resistant epoxy resin 6;
Reaction equation is as follows:
Double bond on composite epoxy resin 5 is oxidized to by corrosion-resistant epoxy resin 6 on the basis of composite epoxy resin 5 Alkylene oxide further increases the adhesive strength and anti-aging property of epoxy resin;
The modified organic silicon fat chain of introducing, so that epoxy coating has low double layer capacity and high reaction resistance, significantly Improve the antiseptic property of epoxy coating.
Further, amino silicone 1 described in step S1,2 molar ratio of modifying agent maleic anhydride are 1:0.9-0.95.
Further, acid catalyst described in step S1 is sulfamic acid, and the additional amount of sulfamic acid is that amino silicone 1 is rubbed The 2% of that amount.
Further, the molar ratio of epoxy resin 4 and modified organic silicone resin 3 described in step S2 is 1:2.1-2.3.Work as ring When the molar ratio of the amino in epoxy group and modified organic silicone resin 3 in oxygen resin 4 is greater than 1:1, epoxy group fails to join completely With react, cause prepare epoxy resin concrete solidification it is slower;When the epoxy group and modified organic silicone resin in epoxy resin 4 When the molar ratio of amino in 3 is less than 1:1, the epoxy coating curing time of epoxy group fully reacting, preparation is short, because This, to guarantee epoxy group fully reacting, the molar ratio of epoxy resin 4 and modified organic silicone resin 3 is set to 1 by the present invention: 2.1-2.3。
Further, it is the solvent that 2:1 is mixed to get that double solvents described in step S2 is ethyl alcohol and isobutanol by volume.
Further, catalyst described in step S2 is boron trifluoride ethylamine, and the dosage of the catalyst is epoxy resin 4 The 1.5% of mole.Under the catalysis of boron trifluoride ethylamine, modified organic silicone resin 3 and epoxy resin progress ring-opening polymerisation are anti- It answers, high catalytic efficiency, the general ring-opening polymerization time is foreshortened into 2.5h by 5-8h, and yield is up to 96.7%.
Further, the molar ratio of composite epoxy resin 5, dimethyl methane dioxide and phase transfer catalyst described in step S3 For 1:2.2-2.5:0.01-0.05;The phase transfer catalyst is dodecyl trimethyl ammonium chloride.
Further, the compound ultraviolet light screener the preparation method comprises the following steps:
(1) kaolin is added in ball mill and is ground, is acidified, filtering, washing to neutrality is dried, is subsequently placed into Muffle furnace is calcined at 600-800 DEG C, and after calcining, cooled to room temperature is ground up, sieved the kaolin activated, Activating kaolinic partial size is 11-95nm;
(2) cerium oxide and deionized water are added in ball mill and are uniformly mixed, the height of the activation of step (1) preparation is added Ridge soil, mechanical lapping mixing, cerium oxide load on kaolin, and evaporation removes water, is put into Muffle furnace and is calcined to get arriving Compound ultraviolet light screener.
Further, the cerium oxide and the kaolinic mass ratio of activation are 6-10:100.
Further, the solvent is cyclohexanone.The volatility of cyclohexanone is 0.3, and when later period coating generates, what is used is easy The solvent of volatilization is conducive to remove, and instead of the solvent of class containing phenyl ring such as benzene, toluene for endangering people's health, is conducive to human health.
Beneficial effects of the present invention:
(1) amino and asphalt mixtures modified by epoxy resin of the present invention first by being modified to amino silicone, in modified organic silicone resin Ring-opening polymerization occurs for the epoxy group in rouge, introduces linear organosilicon fat chain and amide group is flexible chain, increase multiple The flexibility of epoxy resin is closed, the contraction generated when can effectively make up epoxy resin cure solves epoxy resin brittleness Big problem easy to crack;The expansion rate of composite epoxy resin reaches 1.1%, it might even be possible to the material slightly expanded, thus Improve the adhesive strength and impact strength of composite epoxy resin;
Because main chain is inorganic Si-O key in modified organic silicone resin, bond energy is higher, and the high temperature with inorganic material is steady Qualitative and high rigidity;Small molecule has firmly wedged epoxy cross-linking by way of chemistry key connection containing the short chain of modified organic silicone resin In network, increase compact in paint film degree, while the Si-O key bond energy generated is big, generates chemistry with the hydroxyl bond on construction substrate surface Bonding, C-Si is again rotatable, improves the tensile strength and adhesive force of composite epoxy resin paint film;It is introduced in composite epoxy resin After the low silicon oxygen bond of surface energy, paint film hydrophobicity increases, to significantly improve the weatherability and corrosion resistance of coating;
(2) corrosion-resistant epoxy resin 6 aoxidizes the double bond on composite epoxy resin 5 on the basis of composite epoxy resin 5 At alkylene oxide, the adhesive strength and anti-aging property of epoxy resin are further increased;
The modified organic silicon fat chain of introducing, so that epoxy coating has low double layer capacity and high reaction resistance, significantly Improve the antiseptic property of epoxy coating;
(3) titanium dioxide improves the glossiness of coating as main coloring pigment, the opacity and reflectivity of titanium dioxide; Using the high margin of itself and the refractive index of surrounding medium, the covering power of coating is improved.Point of the nanoscale titanium dioxide in coating Scattered property is preferable, and manufactured coating is more smooth and improves the glossiness of coating;Since traditional organic coating is coated in building base When material surface, construction substrate can react with the organic group in coating, and film is made to become fragile, and film adhesive reduces, Yi Cong Substrate surface falls off;When ultraviolet wavelength is 350-400nm, the covering power of titanium dioxide is weaker, can not complete shielding ultraviolet rays Incidence, the rapid degradation with aging of film;Therefore, cerium oxide is as co-pigmentation pigment, on the one hand, ultraviolet light is stopped to improve coating Ageing resistance, prevent the intrusion of corrosive medium, keep the toughness of film and the adhesive force to substrate, cerium oxide is loaded to On kaolin, increases building surface to ultraviolet reflection and scattering process, and reduce the dosage of cerium oxide, economize on resources.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.
Embodiment 1
A kind of corrosion-resistant epoxy coating for building, the weight percent of each raw material are as follows: corrosion-resistant epoxy resin 45%, titanium dioxide 12%, compound ultraviolet light screener 15%, curing agent 5%, levelling agent 0.5%, defoaming agent 0.3%, cyclohexanone 22.2%;
The preparation method of the corrosion-resistant epoxy resin, specifically includes the following steps:
The synthesis of S1, modified organic silicone resin
100mol amino silicone 1,95mol modifying agent maleic anhydride 2 and 1.5L solvent N,N-dimethylformamide are added Enter into reaction flask, in the environment of nitrogen, is heated to 95 DEG C of progress acylation reaction 40min, is subsequently added into 2mol acid catalyst Sulfamic acid is warming up to 135 DEG C, carries out cyclization dehydration 3h to get modified organic silicone resin 3 has been arrived;
Reaction equation is as follows:
S2, modified organic silicone resin and epoxy resin it is compound
20mol epoxy resin 4 is dissolved in 100ml double solvents, is heated to 70 DEG C, 0.3mol catalyst three is added And then 42mol modified organic silicone resin 3 is added dropwise in boron fluoride ethamine, keep temperature-resistant, drip, be warming up in 30min 115 DEG C, the reaction was continued 2.5h, composite epoxy resin 5 is obtained;N in the epoxy resin 4 is 8-12;
The double solvents is that ethyl alcohol and isobutanol are the solvent that 2:1 is mixed to get by volume;
Reaction equation is as follows:
The preparation of S3, corrosion-resistant epoxy resin
10mol composite epoxy resin 5 is dissolved in ethyl alcohol, 0.1mol phase transfer catalyst trimethyl chlorine is added Change ammonium, 23mol dimethyl methane dioxide, stirring carries out epoxidation reaction 1h at 35 DEG C, has obtained corrosion-resistant epoxy resin 6;
Reaction equation is as follows:
The compound ultraviolet light screener the preparation method comprises the following steps:
(1) 1kg kaolin is added in ball mill and is ground, is acidified, filtering, washing to neutrality is dried, then put Entering Muffle furnace in 800 DEG C of calcining 5h, after calcining, cooled to room temperature is ground up, sieved the kaolin activated, Activating kaolinic partial size is 11-95nm;
(2) 70g cerium oxide and 50ml deionized water are added in ball mill and are uniformly mixed, step (1) preparation is added The kaolin of activation, mechanical lapping mixing, cerium oxide load on kaolin, and evaporation removes water, is put into Muffle furnace at 600 DEG C Calcining 3h is carried out to get compound ultraviolet light screener has been arrived.
Embodiment 2
A kind of corrosion-resistant epoxy coating for building, the weight percent of each raw material are as follows: corrosion-resistant epoxy resin 60%, titanium dioxide 10%, compound ultraviolet light screener 10%, curing agent 3%, levelling agent 1.2%, defoaming agent 0.8%, cyclohexanone 15%;
The preparation method is the same as that of Example 1 for the corrosion-resistant epoxy resin;
The preparation method is the same as that of Example 1 for the compound ultraviolet light screener.
Embodiment 3
A kind of corrosion-resistant epoxy coating for building, the weight percent of each raw material are as follows: corrosion-resistant epoxy resin 55%, titanium dioxide 14%, compound ultraviolet light screener 13%, curing agent 6.5%, levelling agent 1%, defoaming agent 0.5%, cyclohexanone 10%;
The preparation method is the same as that of Example 1 for the corrosion-resistant epoxy resin;
The preparation method is the same as that of Example 1 for the compound ultraviolet light screener.
Comparative example 1
A kind of corrosion-resistant epoxy coating for building, is changed to ordinary epoxy resin for corrosion-resistant epoxy resin, Remaining is the same as embodiment 3.
Comparative example 2
A kind of corrosion-resistant epoxy coating for building, the weight percent of each raw material are as follows: corrosion-resistant epoxy resin 55%, titanium dioxide 14%, cerium oxide 0.9%, curing agent 6.5%, levelling agent 1%, defoaming agent 0.5%, surplus are cyclohexanone;
The preparation method is the same as that of Example 1 for the corrosion-resistant epoxy resin.
One, the performance test of corrosion-resistant epoxy resin:
1, the performance test of corrosion-resistant epoxy resin is as shown in Table 1:
The performance test results of table one, corrosion-resistant epoxy resin
Two, the performance test of corrosion-resistant epoxy coating
By embodiment 1-3, comparative example 1-2 preparation epoxy coating be coated on building surface layer, to coating into Row performance test;As a result as shown in Table 2;
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention Design or beyond the scope defined by this claim, be within the scope of protection of the invention.

Claims (10)

1. a kind of corrosion-resistant epoxy coating for building, it is characterised in that: the weight percent of each raw material are as follows: corrosion-resistant Epoxy resin 45-60%, titanium dioxide 10-15%, compound ultraviolet light screener 10-15%, curing agent 3-8%, levelling agent 0.5- 1.2%, defoaming agent 0.3-0.8%, surplus are solvent;
The preparation method of the corrosion-resistant epoxy resin, specifically includes the following steps:
The synthesis of S1, modified organic silicone resin
Amino silicone 1, modifying agent maleic anhydride 2 and solvent n,N-Dimethylformamide are added in reaction flask, in nitrogen In the environment of, it is heated to 90-100 DEG C of progress acylation reaction 40-60min, acid catalyst is subsequently added into, is warming up to 130-140 DEG C, Cyclization dehydration 3h is carried out, that is, has obtained modified organic silicone resin 3;
Reaction equation is as follows:
S2, modified organic silicone resin and epoxy resin it is compound
Epoxy resin 4 is dissolved in double solvents, is heated to 70-75 DEG C, catalyst is added, it is organic that modification is and then added dropwise Silicone resin 3 keeps temperature-resistant, drips in 30min, be warming up to 115 DEG C, and the reaction was continued 2.5h has obtained composite epoxy Resin 5;
N in the epoxy resin 4 is 8-12;
Reaction equation is as follows:
The preparation of S3, corrosion-resistant epoxy resin
Reaction equation is as follows:
Composite epoxy resin 5 is dissolved in ethyl alcohol, phase transfer catalyst, dimethyl methane dioxide is added, is stirred at 35-40 DEG C Epoxidation reaction 1-1.5h is carried out, corrosion-resistant epoxy resin 6 has been obtained.
2. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: step S1 institute Amino silicone 1,2 molar ratio of modifying agent maleic anhydride stated are 1:0.9-0.95.
3. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: step S1 institute The acid catalyst stated is sulfamic acid, and the additional amount of sulfamic acid is the 2% of 1 mole of amino silicone.
4. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: step S2 institute The molar ratio of the epoxy resin 4 and modified organic silicone resin 3 stated is 1:2.1-2.3.
5. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: step S2 institute The double solvents stated is that ethyl alcohol and isobutanol are the solvent that 2:1 is mixed to get by volume.
6. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: step S2 institute The catalyst stated is boron trifluoride ethylamine, and the dosage of the catalyst is the 1.5% of 4 mole of epoxy resin.
7. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: step S3 institute The molar ratio of composite epoxy resin 5, dimethyl methane dioxide and the phase transfer catalyst stated is 1:2.2-2.5:0.01-0.05; The phase transfer catalyst is dodecyl trimethyl ammonium chloride.
8. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: described answers Close ultraviolet light screener the preparation method comprises the following steps:
(1) kaolin is added in ball mill and is ground, is acidified, filtering, washing to neutrality dries, is subsequently placed into Muffle Furnace is calcined at 600-800 DEG C, and after calcining, cooled to room temperature is ground up, sieved the kaolin activated, activation Kaolinic partial size is 11-95nm;
(2) cerium oxide and deionized water are added in ball mill and are uniformly mixed, the kaolinite of the activation of step (1) preparation is added Soil, mechanical lapping mixing, cerium oxide load on kaolin, and evaporation removes water, is put into Muffle furnace and is calcined to get arriving Compound ultraviolet light screener.
9. a kind of corrosion-resistant epoxy coating for building according to claim 8, it is characterised in that: the oxygen The kaolinic mass ratio for changing cerium and activation is 6-10:100.
10. a kind of corrosion-resistant epoxy coating for building according to claim 1, it is characterised in that: described Solvent is cyclohexanone.
CN201811229567.0A 2018-10-22 2018-10-22 A kind of corrosion-resistant epoxy coating for building Withdrawn CN109354971A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102101964A (en) * 2011-01-06 2011-06-22 杭州油漆有限公司 Organic silicon modified epoxy heat-resistant and anti-corrosive coating and preparation method thereof
CN103602220A (en) * 2013-11-14 2014-02-26 中国海洋石油总公司 Siloxane hybrid anticorrosive paint
CN106366916A (en) * 2016-09-05 2017-02-01 华南理工大学 Normal temperature curable epoxy modified organic silicone resin, preparation method thereof and application

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102101964A (en) * 2011-01-06 2011-06-22 杭州油漆有限公司 Organic silicon modified epoxy heat-resistant and anti-corrosive coating and preparation method thereof
CN103602220A (en) * 2013-11-14 2014-02-26 中国海洋石油总公司 Siloxane hybrid anticorrosive paint
CN106366916A (en) * 2016-09-05 2017-02-01 华南理工大学 Normal temperature curable epoxy modified organic silicone resin, preparation method thereof and application

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘丹等: "环氧树脂防腐性能研究进展", 《中国材料进展》 *
吕天喜等: "纳米氧化铈抗紫外的研究", 《江西化工》 *

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Application publication date: 20190219