CN107286797A - Self-emulsified aqueous epoxy phosphate anti-corrosion emulsion and preparation method thereof - Google Patents
Self-emulsified aqueous epoxy phosphate anti-corrosion emulsion and preparation method thereof Download PDFInfo
- Publication number
- CN107286797A CN107286797A CN201710329218.5A CN201710329218A CN107286797A CN 107286797 A CN107286797 A CN 107286797A CN 201710329218 A CN201710329218 A CN 201710329218A CN 107286797 A CN107286797 A CN 107286797A
- Authority
- CN
- China
- Prior art keywords
- component
- epoxy resin
- epoxy
- self
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
-
- 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
- C08G59/00—Polycondensates 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
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1488—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Epoxy Resins (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion, including component A, B component and component C, the percentage by weight of three is：The ︰ 56~65 of 20~30 ︰ 10~15；Component A includes 15~20 parts of epoxy resin body, 5~10 parts of cosolvent, phosphorous 0.1~0.5 part of acid solution；The B component includes 1~5 part of solvent, 1~5 part of soft monomer, 1~5 part of hard monomer, 1~5 part of function monomer, 0.1~1.0 part of initiator；The component C includes 1~5 part of nertralizer, 55~60 parts of deionized water.The invention also discloses a kind of preparation method of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion.Elder generation's esterification by ring opening epoxy resin body of the invention, phosphate group is added to epoxy resin body formation epoxy phosphate ester, graft modification epoxy phosphate ester again, enhance the adhesive force of film and base material, antiseptic power is good, when brushing anti-corrosion emulsion of the present invention on steel, without carrying out phosphorating treatment to steel surface.
Description
Technical field
The invention belongs to resin making technique field, specifically a kind of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion and its
Preparation method.
Background technology
The annual national economy caused by metal erosion loses more serious, anti-using coating in order to reduce metal erosion
Corruption is one of the most economic, effective, easy approach.Epoxy resin is based on adhesive force that it has is strong, radioresistance is good, hot steady
The characteristics such as qualitative good, acid and alkali-resistance, good insulating and mechanical strength height, and it is widely used in coating, binder and composite wood
The every field such as material.Although epoxy coating has outstanding physical and chemical performance, because traditional epoxy coating is generally
Solvent-borne type, the organic compound VOC content volatilized when it is used is high, and danger is brought to ecological environment and the healthy of people
Evil.By contrast, the characteristics of aqueous epoxy resins are based on its environmental protection, health, is increasingly taken seriously, changes in particular by chemistry
Property normal direction epoxy molecule chain in introduce polar group and realize the self-emulsifying of epoxy resin, obtained emulsion particle diameter is small, steady
Qualitative height, film performance is excellent.But when direct brushing aqueous epoxy resin emulsion is in steel surface, steel dodges erosion seriously, because
This generally requires to do phosphorating treatment on the surface of steel, then brushing aqueous epoxy resin emulsion, improve dope layer adhesive force with
The anti-corrosion capability of steel, but do phosphorating treatment every time, process is more, it is necessary to select not react with steel substrate surface, and
The phosphorating treatment base material good with aqueous epoxy resins compatibility.
The content of the invention
It is an object of the invention to provide a kind of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion and preparation method thereof, preparation side
Method is environment-friendly, and obtained anti-corrosion emulsion particle diameter is small, and stability is high, and the organic compound VOC content volatilized is low, anti-corrosion emulsion
Without carrying out phosphorating treatment to base material before steel surface brushing.
To achieve the above object, the technical solution adopted by the present invention is：A kind of anti-fermented bean curd of self-emulsified aqueous epoxy phosphate
Liquid, including component A, B component and component C, the percentage by weight of three is：The ︰ 56~65 of 20~30 ︰ 10~15；The component A bag
Include 15~20 parts of epoxy resin body, 5~10 parts of cosolvent, phosphorous 0.1~0.5 part of acid solution；The B component includes solvent
1~5 part, 1~5 part of soft monomer, 1~5 part of hard monomer, 1~5 part of function monomer, 0.1~1.0 part of initiator；The component C bag
Include 1~5 part of nertralizer, 55~60 parts of deionized water.
Further, the epoxy resin body in the component A is epoxy resin E20；Cosolvent is butyl glycol ether, second
Two kinds of mixture in alcohol, n-butanol or propylene glycol monomethyl ether；Phosphorous acid solution is in hypophosphorous acid, phosphorous acid, phosphoric acid, metaphosphoric acid
One kind, the concentration of phosphorous acid solution is 14.5~16.5mol/L.
Further, the solvent in the B component is propylene glycol monomethyl ether or butyl glycol ether；Soft monomer is that acrylic acid is different pungent
One kind in ester, ethyl acrylate, butyl acrylate, n-octyl or lauryl ester；Hard monomer is third
One kind in e pioic acid methyl ester, methyl methacrylate, EMA, styrene；Function monomer is acrylic acid, Malaysia
One kind in acid, methacrylic acid or itaconic acid；Initiator is benzoyl peroxide.
Further, the nertralizer in the component C is triethylamine, ammoniacal liquor, N, N-dimethylethanolamine or triethanolamine
In one kind.
Present invention also offers a kind of preparation method based on above-mentioned self-emulsified aqueous epoxy phosphate anti-corrosion emulsion, including
Following steps：
1) by epoxy resin body and cosolvent using mass ratio as 15~20：5~10 mix and heat up, and treat epoxy resin sheet
Body adds 0.1~0.5 part of the phosphorous acid solution that concentration is 14.5~16.5mol/L after being completely dissolved, 1~2h of back flow reaction is obtained
Component A；
2) added in component A containing 1~5 part of solvent, 1~5 part of soft monomer, 1~5 part of hard monomer, 1~5 part of function monomer,
The B component of 0.1~1.0 part of initiator, isothermal reaction obtains epoxy resin mixed solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 1~5 part of nertralizer, the timing of neutralization reaction one
Between, it is neutrality to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, into epoxy systems add 55~
60 parts of deionized waters, 1~2h of high-speed stirred is down to room temperature and discharged to obtain self-emulsification aqueous epoxy phosphate ester anti-corrosion emulsion.
Further, the step 1) epoxy resin body and cosolvent mix and be warming up to 90~100 DEG C, epoxy resin
The time that body is completely dissolved is 10~30min.
Further, the step 2) in isothermal reaction temperature be 115~120 DEG C, the isothermal reaction time be 2~3h.
Further, the step 3) in neutralization reaction time be 10~20min, after neutralization reaction pH be 7~7.5；
The speed of high-speed stirred is 1000~3000r/min.
1) phosphate group by first esterification by ring opening epoxy molecule, is added to epoxy resin body formation ring by the present invention
Oxygen phosphate, then graft modification epoxy phosphate ester, epoxy phosphate ester enhances the adhesive force of film and base material, metallic surface
The application of phosphorating treatment and coating unites two into one, and problem is lost to the sudden strain of a muscle of base material when solving water paint film forming, in steel surface
When brushing anti-corrosion emulsion of the present invention, without carrying out phosphorating treatment to steel surface, process is reduced；Graft modification epoxy phosphate ester
Realize the self-emulsifying of epoxy resin；2) water miscible epoxy resin VOC content is low made from, environment-friendly；3) breast prepared
Liquid particle diameter is small, and stability is high, with good antiseptic power.
Embodiment
The present invention is described in further detail with reference to preferred embodiment, is easy to more clearly understand this
Invention, but the present invention is not limited to following embodiments.
The reasons why each group component selections of the present invention and the mechanism reacted are：The present invention using the hydrogen in phosphorous acid solution from
Son first polarizes epoxy radicals, and attack epoxy makes its esterification by ring opening to acid ion again, and carrying out modified epoxy body with this is allowed to become
Into epoxy phosphate ester, epoxy phosphate ester group one end of formation is hydrophilic, and one end oleophylic plays the role of similar polymerisable emulsifier,
Emulsion intercalation method can be improved；Another aspect bound phosphate groups can be with substrate surface metal interaction, formed one layer ratio
Finer and close phosphating coat, phosphatization passivation has been carried out similar to metal surface, so as to improve anticorrosive property；Further, since phosphoric acid
Ester group is connected in the macromolecular of resin, enhances ion, moisture in the active force of molecular resin and ground, external environment
Son is not easily accessible between resin and ground, therefore can have obvious help to improving wet adhesion and anti-sudden strain of a muscle corrosion；Then lead to
Chemical graft process is crossed, methylene hydrogen in epoxy phosphate ester molecular structure and olefin monomer are made under initiator effect or is polymerize
Thing occurs radical reaction and introduces polar group carboxyl, neutralizes into after salt, modified epoxy is realized self-dispersing in water, then
Self-emulsified aqueous epoxy phosphate anti-corrosion emulsion is prepared by phase inversion.
A kind of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion, including component A, B component and component C, the weight hundred of three
Point ratio is：The ︰ 56~65 of 20~30 ︰ 10~15；The component A include 15~20 parts of epoxy resin body, 5~10 parts of cosolvent,
Phosphorous 0.1~0.5 part of acid solution；The B component includes 1~5 part of solvent, 1~5 part of soft monomer, 1~5 part of hard monomer, function
1~5 part of monomer, 0.1~1.0 part of initiator；The component C includes 1~5 part of nertralizer, 55~60 parts of deionized water.Wherein A
Epoxy resin body in component is epoxy resin E20；Cosolvent is butyl glycol ether, ethanol, n-butanol or propylene glycol monomethyl ether
In two kinds of mixture；Phosphorous acid solution is one kind in hypophosphorous acid, phosphorous acid, phosphoric acid, metaphosphoric acid, phosphorous acid solution
Concentration is 16.5mol/L.Solvent in B component is propylene glycol monomethyl ether or butyl glycol ether；Soft monomer is Isooctyl acrylate monomer, third
One kind in olefin(e) acid ethyl ester, butyl acrylate, n-octyl or lauryl ester；Hard monomer is acrylic acid first
One kind in ester, methyl methacrylate, EMA, styrene；Function monomer is acrylic acid, maleic acid, methyl
One kind in acrylic acid or itaconic acid；Initiator is benzoyl peroxide.Nertralizer in component C is triethylamine, ammoniacal liquor, N,
One kind in N-dimethylethanolamine or triethanolamine.
A kind of preparation method based on above-mentioned self-emulsified aqueous epoxy phosphate anti-corrosion emulsion, comprises the following steps：
1) by epoxy resin body and cosolvent using mass ratio as 15~20：5~10 are added to equipped with thermometer returned cold
Mixed in the four-hole boiling flask of solidifying pipe feed arrangement and agitating device, stir and be warming up to using stir speed (S.S.) as 200~600r/min
90~100 DEG C, dissolved after epoxy resin body and the phosphorous acidity that concentration is 16.5mol/L is added after 10~30min is completely dissolved
0.1~0.5 part of solution, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, adds draw containing 1~5 part of solvent, 1~5 part of soft monomer, 1~5 part of hard monomer, 1~5 part of function monomer, 0.1~1.0 part afterwards
The mixed solution of agent is sent out, in 115~120 DEG C of 2~3h of isothermal reaction, epoxy resin mixed solution is obtained；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 1~5 part of nertralizer, neutralization reaction 10~
20min, is 7~7.5 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, added into epoxy systems
Enter 55~60 parts of deionized waters, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, be down to room temperature discharging and derive from
Emulsify aqueous epoxy phosphate ester anti-corrosion emulsion.
Epoxy resin body selects epoxy resin E20 in following examples, and cosolvent selects butyl glycol ether, n-butanol
Or two kinds of mixture in propylene glycol monomethyl ether, ethanol has similar effect, do not repeated in embodiment；Phosphorous acid solution choosing
With hypophosphorous acid or phosphoric acid, the concentration of phosphorous acid solution is 16.5mol/L, and phosphorous acid, metaphosphoric acid have similar effect, is being implemented
Do not repeated in example；Solvent selects propylene glycol monomethyl ether or butyl glycol ether；Soft monomer selects ethyl acrylate or butyl acrylate,
Isooctyl acrylate monomer, n-octyl or lauryl ester have similar effect, are not repeated in embodiment；
One kind that hard monomer is selected in methyl acrylate, methyl methacrylate or styrene, EMA has similar effect
Really, do not repeated in embodiment；Function monomer is from acrylic or methacrylic acid, and maleic acid, itaconic acid have similar effect
Really, do not repeated in embodiment；Initiator selects benzoyl peroxide；Nertralizer selects triethylamine or N, N-dimethyl second
Hydramine, triethanolamine, ammoniacal liquor have similar effect, are not repeated in embodiment.
Embodiment 1
1) epoxy resin E20 and cosolvent (propane diols Jia Mi ﹕ n-butanols=1 ﹕ 1) are added to dress by 2 ︰ 1 of mass ratio
Have in the four-hole boiling flask of thermometer reflux condensing tube feed arrangement and agitating device and mix, using stir speed (S.S.) as 200~600r/
Min is stirred and is warming up to 90~100 DEG C, and it is 16.25mol/L to add concentration after epoxy resin E20 dissolvings 20min is completely dissolved
0.33 part of phosphoric acid, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, add afterwards containing 4.17 parts of propylene glycol monomethyl ethers, 2.50 parts of butyl acrylates, 2.50 parts of styrene, 4.01 parts of methacrylic acids,
The mixed solution of 0.50 part of benzoyl peroxide, in 115~120 DEG C of 2~3h of isothermal reaction, obtains epoxy resin mixed solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 3.61 parts of triethylamine, neutralization reaction 10~
20min, is 7 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, added into epoxy systems
57.34 parts of deionized waters, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, are down to room temperature discharging and derive from emulsification
Water-base epoxy phosphate anti-corrosion emulsion.
The particle diameter of emulsion caused by the present invention is measured using dynamic laser particle size analyzer, the emulsion obtained by the present invention is consolidated
Content is 28.52%, and grafting conversion ratio is 95.06%, and particle diameter is 226.7nm, and stability of emulsion is good.
Embodiment 2
1) epoxy resin E20 and cosolvent (ethylene glycol Ding Mi ﹕ n-butanols=1 ﹕ 1) are added to dress by 2 ︰ 1 of mass ratio
Have in the four-hole boiling flask of thermometer reflux condensing tube feed arrangement and agitating device and mix, using stir speed (S.S.) as 200~600r/
Min is stirred and is warming up to 90~100 DEG C, and it is 16.25mol/L to add concentration after epoxy resin E20 dissolvings 20min is completely dissolved
0.35 part of phosphoric acid, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, is added containing 4.17 parts of butyl glycol ethers, 2.53 parts of butyl acrylates, 2.53 parts of methyl methacrylates, 4.23 parts of first afterwards
The mixed solution of base acrylic acid, 0.51 part of benzoyl peroxide, in 115~120 DEG C of 2~3h of isothermal reaction, obtains epoxy resin
Mixed solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 3.56 parts of N, N-dimethylethanolamine, neutralized
10~20min is reacted, is 7 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, into epoxy systems
57.34 parts of deionized waters are added, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, room temperature discharging is down to and derives from
Emulsify aqueous epoxy phosphate ester anti-corrosion emulsion.
The particle diameter of emulsion caused by the present invention is measured using dynamic laser particle size analyzer, the emulsion obtained by the present invention is consolidated
Content is 29.12%, and grafting conversion ratio is 96.55%, and particle diameter is 225.5nm, and stability of emulsion is good.
Embodiment 3
1) epoxy resin E20 and cosolvent (propane diols Ding Mi ﹕ n-butanols=1 ﹕ 1) are added to dress by 2 ︰ 1 of mass ratio
Have in the four-hole boiling flask of thermometer reflux condensing tube feed arrangement and agitating device and mix, using stir speed (S.S.) as 200~600r/
Min is stirred and is warming up to 90~100 DEG C, and it is 16.25mol/L to add concentration after epoxy resin E20 dissolvings 20min is completely dissolved
0.35 part of phosphoric acid, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, add afterwards containing 4.17 parts of propylene glycol monomethyl ethers, 2.48 parts of ethyl acrylates, 2.48 parts of styrene, 3.96 parts of methacrylic acids,
The mixed solution of 0.49 part of benzoyl peroxide, in 115~120 DEG C of 2~3h of isothermal reaction, obtains epoxy resin mixed solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 3.59 parts of triethylamine, neutralization reaction 10~
20min, is 7 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, added into epoxy systems
57.34 parts of deionized waters, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, are down to room temperature discharging and derive from emulsification
Water-base epoxy phosphate anti-corrosion emulsion.
The particle diameter of emulsion caused by the present invention is measured using dynamic laser particle size analyzer, the emulsion obtained by the present invention is consolidated
Content is 27.62%, and grafting conversion ratio is 94.14%, and particle diameter is 227.3nm, and stability of emulsion is good.
Embodiment 4
1) epoxy resin E20 and cosolvent (ethylene glycol Ding Mi ﹕ n-butanols=1 ﹕ 1) are added to dress by 2 ︰ 1 of mass ratio
Have in the four-hole boiling flask of thermometer reflux condensing tube feed arrangement and agitating device and mix, using stir speed (S.S.) as 200~600r/
Min is stirred and is warming up to 90~100 DEG C, and it is 16.25mol/L to add concentration after epoxy resin E20 dissolvings 20min is completely dissolved
0.33 part of phosphoric acid, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, add afterwards containing 4.17 parts of butyl glycol ethers, 2.51 parts of ethyl acrylates, 2.51 parts of methyl methacrylates, 4.00 part third
The mixed solution of olefin(e) acid, 0.54 part of benzoyl peroxide, in 115~120 DEG C of 2~3h of isothermal reaction, obtains epoxy resin mixing
Solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 3.60 parts of N, N-dimethylethanolamine, neutralized
10~20min is reacted, is 7 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, into epoxy systems
57.34 parts of deionized waters are added, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, room temperature discharging is down to and derives from
Emulsify aqueous epoxy phosphate ester anti-corrosion emulsion.
The particle diameter of emulsion caused by the present invention is measured using dynamic laser particle size analyzer, the emulsion obtained by the present invention is consolidated
Content is 28.13%, and grafting conversion ratio is 94.88%, and particle diameter is 227.2nm, and stability of emulsion is good.
Embodiment 5
1) epoxy resin E20 and cosolvent (propane diols Jia Mi ﹕ n-butanols=1 ﹕ 1) are added to dress by 2 ︰ 1 of mass ratio
Have in the four-hole boiling flask of thermometer reflux condensing tube feed arrangement and agitating device and mix, using stir speed (S.S.) as 200~600r/
Min is stirred and is warming up to 90~100 DEG C, and it is 16.25mol/L to add concentration after epoxy resin E20 dissolvings 20min is completely dissolved
0.35 part of phosphoric acid, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, is added containing 4.17 parts of propylene glycol monomethyl ethers, 2.53 parts of butyl acrylates, 2.53 parts of methyl acrylates, 4.01 parts of methyl-props afterwards
The mixed solution of olefin(e) acid, 0.51 part of benzoyl peroxide, in 115~120 DEG C of 2~3h of isothermal reaction, obtains epoxy resin mixing
Solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 3.65 parts of triethylamine, neutralization reaction 10~
20min, is 7 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, added into epoxy systems
57.34 parts of deionized waters, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, are down to room temperature discharging and derive from emulsification
Water-base epoxy phosphate anti-corrosion emulsion.
The particle diameter of emulsion caused by the present invention is measured using dynamic laser particle size analyzer, the emulsion obtained by the present invention is consolidated
Content is 29.28%, and grafting conversion ratio is 95.14%, and particle diameter is 228.1nm, and stability of emulsion is good.
Embodiment 6
1) epoxy resin E20 and cosolvent (ethylene glycol Ding Mi ﹕ n-butanols=1 ﹕ 1) are added to dress by 2 ︰ 1 of mass ratio
Have in the four-hole boiling flask of thermometer reflux condensing tube feed arrangement and agitating device and mix, using stir speed (S.S.) as 200~600r/
Min is stirred and is warming up to 90~100 DEG C, and it is 16.25mol/L to add concentration after epoxy resin E20 dissolvings 20min is completely dissolved
0.33 part of phosphoric acid, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, is added containing 4.17 parts of butyl glycol ethers, 2.50 parts of butyl acrylates, 2.50 parts of styrene, 4.01 parts of acrylic acid, 0.51 afterwards
The mixed solution of part benzoyl peroxide, in 115~120 DEG C of 2~3h of isothermal reaction, obtains epoxy resin mixed solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 3.65 parts of triethylamine, neutralization reaction 10~
20min, is 7 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, added into epoxy systems
57.34 parts of deionized waters, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, are down to room temperature discharging and derive from emulsification
Water-base epoxy phosphate anti-corrosion emulsion.
The particle diameter of emulsion caused by the present invention is measured using dynamic laser particle size analyzer, the emulsion obtained by the present invention is consolidated
Content is 28.78%, and grafting conversion ratio is 95.00%, and particle diameter is 226.0nm, and stability of emulsion is good.
Embodiment 7
1) epoxy resin E20 and cosolvent (propane diols Jia Mi ﹕ n-butanols=1 ﹕ 1) are added to dress by 2 ︰ 1 of mass ratio
Have in the four-hole boiling flask of thermometer reflux condensing tube feed arrangement and agitating device and mix, using stir speed (S.S.) as 200~600r/
Min is stirred and is warming up to 90~100 DEG C, and it is 16.25mol/L to add concentration after epoxy resin E20 dissolvings 20min is completely dissolved
0.33 part of phosphorous acid, 1~2h of back flow reaction obtains modified epoxy phosphate；
2) by modified epoxy phosphoric acid using in stir speed (S.S.) as 200~600r/min stir, and be warming up to 110~120 DEG C it is molten
Solution, add afterwards containing 4.17 parts of propylene glycol monomethyl ethers, 2.52 parts of butyl acrylates, 2.52 parts of styrene, 4.11 parts of methacrylic acids,
The mixed solution of 0.52 part of benzoyl peroxide, in 115~120 DEG C of 2~3h of isothermal reaction, obtains epoxy resin mixed solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 3.72 parts of triethylamine, neutralization reaction 10~
20min, is 7 to epoxy systems pH；Epoxy systems after neutralization are cooled to after 40~50 DEG C, added into epoxy systems
57.34 parts of deionized waters, using stir speed (S.S.) as 1000~3000r/min, 1~2h of high-speed stirred, are down to room temperature discharging and derive from emulsification
Water-base epoxy phosphate anti-corrosion emulsion.
The particle diameter of emulsion caused by the present invention is measured using dynamic laser particle size analyzer, the emulsion obtained by the present invention is consolidated
Content is 29.42%, and grafting conversion ratio is 96.13%, and particle diameter is 224.8nm, and stability of emulsion is good.
It can be obtained by embodiment 1~7, the present invention is when preparing the graft reaction of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion
Conversion ratio be 95% or so, obtained self-emulsified aqueous epoxy phosphate anti-corrosion emulsion particle diameter is in 225nm or so, emulsion-stabilizing
Function admirable, each obtained self-emulsified aqueous epoxy phosphate anti-corrosion emulsion is the anti-corrosion emulsion containing phosphorus, is water
Property anti-corrosion emulsion, after steel surface is brushed to adhesive force strengthen, and reduce the sudden strain of a muscle to steel surface metal erosion.To using this
The iron plate of the iron plate of invention self-emulsified aqueous epoxy phosphate anti-corrosion emulsion coating and the same specification of uncoated anti-corrosion emulsion
Do electro-chemical test：Using CHI 660A electrochemical workstations, using the 3.5wt%NaCl aqueous solution as electrolyte, using three electrodes
System, with saturated calomel electrode (SCE) for reference electrode, platinum electrode is auxiliary electrode, and test temperature is room temperature, respectively with coating
Iron plate or non-coating iron plate are working electrode, observe the OCP of sample, after current potential is stable, record each comfortable 3.5wt%
NaCl solution soaks the OCP at initial stage, as a result shows, the iron plate for scribbling self-emulsified aqueous epoxy phosphate anti-corrosion emulsion exists
The OCP that 3.5wt%NaCl solution soaks initial stage is -0.623V, and the iron plate of uncoated anti-corrosion emulsion is in 3.5wt%NaCl
OCP -1.014V in solution, scribbles metallic matrix OCP of the invention apparently higher than uncoated anti-corrosion emulsion
Metallic matrix has further demonstrated that and self-emulsified aqueous epoxy phosphorus of the present invention is coated with steel matrix in the OCP at immersion initial stage
Protective action can be played after acid esters anti-corrosion emulsion, corrodes probability step-down.
Unspecified content is prior art known to a person of ordinary skill in the art in this specification.
Above-described embodiment is only schematical, and used technical term is limited in the present invention
Qualifier is only for convenience of description of the invention, and one of ordinary skill in the art is in a kind of self-emulsified aqueous epoxy phosphoric acid of the invention
Under the enlightenment of ester anti-corrosion emulsion and preparation method thereof, present inventive concept and scope of the claimed protection situation are not being departed from
Under, many forms can be also derived, these are within protection scope of the present invention.
Claims (8)
1. a kind of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion, it is characterised in that including component A, B component and component C, three
Percentage by weight be：The ︰ 56~65 of 20~30 ︰ 10~15；The component A includes 15~20 parts of epoxy resin body, cosolvent 5
~10 parts, phosphorous 0.1~0.5 part of acid solution；The B component includes 1~5 part of solvent, 1~5 part of soft monomer, hard monomer 1~5
Part, 1~5 part of function monomer, 0.1~1.0 part of initiator；The component C includes 1~5 part of nertralizer, deionized water 55~60
Part.
2. self-emulsified aqueous epoxy phosphate anti-corrosion emulsion according to claim 1, it is characterised in that：In the component A
Epoxy resin body be epoxy resin E20；Cosolvent is two kinds in butyl glycol ether, ethanol, n-butanol or propylene glycol monomethyl ether
Mixture；Phosphorous acid solution is one kind in hypophosphorous acid, phosphorous acid, phosphoric acid, metaphosphoric acid, and the concentration of phosphorous acid solution is
14.5~16.5mol/L.
3. self-emulsified aqueous epoxy phosphate anti-corrosion emulsion according to claim 1, it is characterised in that：In the B component
Solvent be propylene glycol monomethyl ether or butyl glycol ether；Soft monomer is Isooctyl acrylate monomer, ethyl acrylate, butyl acrylate, third
One kind in olefin(e) acid n-octyl or lauryl ester；Hard monomer is methyl acrylate, methyl methacrylate, methyl
One kind in ethyl acrylate, styrene；Function monomer is one kind in acrylic acid, maleic acid, methacrylic acid or itaconic acid；
Initiator is benzoyl peroxide.
4. self-emulsified aqueous epoxy phosphate anti-corrosion emulsion according to claim 1, it is characterised in that：In the component C
Nertralizer be triethylamine, ammoniacal liquor, N, one kind in N-dimethylethanolamine or triethanolamine.
5. the preparation method of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion according to claim 1, it is characterised in that bag
Include following steps：
1) by epoxy resin body and cosolvent using mass ratio as 15~20：5~10 mix and heat up, and treat that epoxy resin body is complete
0.1~0.5 part of the phosphorous acid solution that concentration is 14.5~16.5mol/L is added after fully dissolved, 1~2h of back flow reaction obtains A groups
Point；
2) added in component A containing 1~5 part of solvent, 1~5 part of soft monomer, 1~5 part of hard monomer, 1~5 part of function monomer, 0.1
The B component of~1.0 parts of initiators, isothermal reaction obtains epoxy resin mixed solution；
3) epoxy resin mixed solution is cooled to 50~60 DEG C, adds 1~5 part of nertralizer, neutralization reaction certain time, extremely
Epoxy systems pH is neutrality；Epoxy systems after neutralization are cooled to after 40~50 DEG C, 55~60 parts are added into epoxy systems
Deionized water, 1~2h of high-speed stirred is down to room temperature and discharged to obtain self-emulsification aqueous epoxy phosphate ester anti-corrosion emulsion.
6. the preparation method of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion according to claim 5, it is characterised in that：Institute
State step 1) epoxy resin body and cosolvent mix and be warming up to 90~100 DEG C, the time that epoxy resin body is completely dissolved
For 10~30min.
7. the preparation method of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion according to claim 5, it is characterised in that：Institute
State step 2) in isothermal reaction temperature be 115~120 DEG C, the isothermal reaction time be 2~3h.
8. the preparation method of self-emulsified aqueous epoxy phosphate anti-corrosion emulsion according to claim 5, it is characterised in that：Institute
State step 3) in neutralization reaction time be 10~20min, after neutralization reaction pH be 7~7.5；The speed of high-speed stirred is 1000
~3000r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329218.5A CN107286797B (en) | 2017-05-11 | 2017-05-11 | Self-emulsified aqueous epoxy phosphate anti-corrosion lotion and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329218.5A CN107286797B (en) | 2017-05-11 | 2017-05-11 | Self-emulsified aqueous epoxy phosphate anti-corrosion lotion and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107286797A true CN107286797A (en) | 2017-10-24 |
| CN107286797B CN107286797B (en) | 2019-09-17 |
Family
ID=60095061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710329218.5A Active CN107286797B (en) | 2017-05-11 | 2017-05-11 | Self-emulsified aqueous epoxy phosphate anti-corrosion lotion and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107286797B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206633A (en) * | 2018-08-10 | 2019-01-15 | 江苏宏源机电科技有限公司 | A kind of preparation method of aqueous epoxy emulsion |
| CN109609065A (en) * | 2018-11-13 | 2019-04-12 | 桐乡市伟邦针织有限公司 | A kind of aluminizer compound adhesive and preparation method thereof |
| CN112961574A (en) * | 2021-03-18 | 2021-06-15 | 珠海展辰新材料股份有限公司 | Aqueous nonionic phosphorus-containing epoxy anticorrosive emulsion and preparation method thereof |
| CN113512159A (en) * | 2021-07-28 | 2021-10-19 | 江门市制漆厂有限公司 | Aqueous single-component modified epoxy resin and preparation method and application thereof |
| CN113956620A (en) * | 2021-07-27 | 2022-01-21 | 黄山鑫赢再生资源有限公司 | Preparation method of high-viscosity recycled PET plastic particles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076948A (en) * | 1993-06-01 | 1993-10-06 | 北京市奥飞达科技公司 | Water-based anticorrosive paint and preparation method thereof |
| CN105219214A (en) * | 2015-09-21 | 2016-01-06 | 李成 | A kind of high molecular nanometer is cross-linked composite heavy corrosion protection emulsion and making method |
| US20160376459A1 (en) * | 2015-06-25 | 2016-12-29 | Grand Tek Advance Material Science Co., Ltd. | Aqueous organic silicon fluoro-containing polymer dispersion and method for manufacturing the same |
-
2017
- 2017-05-11 CN CN201710329218.5A patent/CN107286797B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076948A (en) * | 1993-06-01 | 1993-10-06 | 北京市奥飞达科技公司 | Water-based anticorrosive paint and preparation method thereof |
| US20160376459A1 (en) * | 2015-06-25 | 2016-12-29 | Grand Tek Advance Material Science Co., Ltd. | Aqueous organic silicon fluoro-containing polymer dispersion and method for manufacturing the same |
| CN105219214A (en) * | 2015-09-21 | 2016-01-06 | 李成 | A kind of high molecular nanometer is cross-linked composite heavy corrosion protection emulsion and making method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206633A (en) * | 2018-08-10 | 2019-01-15 | 江苏宏源机电科技有限公司 | A kind of preparation method of aqueous epoxy emulsion |
| CN109609065A (en) * | 2018-11-13 | 2019-04-12 | 桐乡市伟邦针织有限公司 | A kind of aluminizer compound adhesive and preparation method thereof |
| CN112961574A (en) * | 2021-03-18 | 2021-06-15 | 珠海展辰新材料股份有限公司 | Aqueous nonionic phosphorus-containing epoxy anticorrosive emulsion and preparation method thereof |
| CN113956620A (en) * | 2021-07-27 | 2022-01-21 | 黄山鑫赢再生资源有限公司 | Preparation method of high-viscosity recycled PET plastic particles |
| CN113512159A (en) * | 2021-07-28 | 2021-10-19 | 江门市制漆厂有限公司 | Aqueous single-component modified epoxy resin and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107286797B (en) | 2019-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107286797B (en) | Self-emulsified aqueous epoxy phosphate anti-corrosion lotion and preparation method thereof | |
| CN105899555B (en) | The water-borne dispersions of the polymer based on multiplet particle for the aqueous coating with improved adhesion resistance, print resistance and hardness | |
| CN105859936A (en) | Acrylate copolymer emulsion, and aqueous industrial anticorrosive paint adopting acrylate copolymer emulsion as film forming substance | |
| CN106589213B (en) | A kind of aqueous metallic paint self-crosslinking acrylic lotion and preparation method thereof | |
| CN105367703B (en) | A kind of three-layer nuclear shell structure epoxy modification acrylate emulsion | |
| CN102115517A (en) | Preparation method for anti-rust soap-free acrylate emulsion | |
| CN104910332A (en) | Acrylate modified epoxy phosphate ester resin and aqueous dispersion thereof | |
| MX2013009660A (en) | Polymer encapsulated titanium dioxide particles. | |
| CN110229573A (en) | A kind of aqueous rusty anti-corrosive primer and preparation method thereof | |
| CN108250347A (en) | A kind of phosphate modified Acrylate Core-shell Emulsion of salt spray resistance | |
| EP2595841B1 (en) | Anti-drumming compound comprising emulsion polymer stabilized by protective colloid | |
| CN104892816B (en) | A kind of in-situ nano hybrid styrene-acrylic emulsion and using the emulsion as the antirust paint of base-material | |
| CN106752621A (en) | Aqueous environment protection water-fast, solvent resistant water paint high and its synthetic method | |
| CN104558436A (en) | Acrylic acid modified epoxy phosphate ester resin and preparation method of aqueous dispersion thereof | |
| CN107641409A (en) | Method for preparing the latex by Phosphorus acid and photoinitiator group functionalization | |
| WO2015058678A1 (en) | Method for preparing self-emulsifiable, dual-component epoxy resin | |
| CN108795129A (en) | A kind of preparation method of polyacrylate/benzotriazole@zinc oxide microcapsules composite anti-corrosive coatings | |
| CN103833888A (en) | Preparation method of aqueous fluorine-modified phosphorus-containing acrylate emulsion | |
| CN101250365A (en) | Method for manufacturing acrylic ester emulsion containing phosphate group for antiseptic paint | |
| CN103709333B (en) | A kind of vehicle bridge is used from phosphatization aqueous polyurethane acrylate resin and preparation method thereof | |
| CN106977654B (en) | A kind of core shell structure self-crosslinking acrylic emulsion and preparation method thereof | |
| CN107805293B (en) | A kind of aqueous self-drying acrylic modified epoxy ester resin lotion and preparation method thereof | |
| CN102002125B (en) | Acrylic resin emulsion for fingerprint-resistant paint and preparation method thereof | |
| CN107629191A (en) | Epoxy-ester prepolymer, preparation method and the water-base epoxy of preparation ester resin and method | |
| CN102993842A (en) | Styrene-acrylic emulsion aqueous rust coating and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211223 Address after: 437224 No. 1, Panwan Fanhu Industrial Zone, Jiayu County Economic Development Zone, Xianning City, Hubei Province Patentee after: HUBEI JIAJI SYNTHETIC MATERIALS CO.,LTD. Address before: College of chemistry and chemical engineering, Hubei University, 368 Youyi Avenue, Wuchang District, Wuhan City, Hubei Province, 430062 Patentee before: Hubei University |