CN107118669A - A kind of preparation method of anticorrosion water-soluble heat radiation coating - Google Patents
A kind of preparation method of anticorrosion water-soluble heat radiation coating Download PDFInfo
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- CN107118669A CN107118669A CN201710497173.2A CN201710497173A CN107118669A CN 107118669 A CN107118669 A CN 107118669A CN 201710497173 A CN201710497173 A CN 201710497173A CN 107118669 A CN107118669 A CN 107118669A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G59/1477—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3437—Six-membered rings condensed with carbocyclic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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Abstract
The invention discloses a kind of preparation method of anticorrosion water-soluble heat radiation coating, the present invention is by diatomite by mixing crosslinking with HPMA, prepolymerized mode in the epoxy, effectively improve the compatibility of diatomite and epoxy resin, improve the intensity and toughness of film coated surface, diatomaceous microcellular structure can improve the radiating effect of film, and tetrakis hydroxymetyl phosphonium sulfuric, the lanolin magnesium soap that the present invention is added etc. effectively raises the antiseptic property of finished product film.
Description
Technical field
The invention belongs to paint field, and in particular to a kind of preparation method of anticorrosion water-soluble heat radiation coating.
Background technology
Substantial amounts of organic solvent such as benzene,toluene,xylene etc. is added in traditional solvent-thinned paint, is mostly inflammable and explosive
Noxious material, long-term suction people, which knows from experience, causes fatigue, loss of memory and the nervous system disease, and severe patient can be with carcinogenic.Have
Machine volatile matter is directly discharged in air, and photochemical fog can be produced under the radiation of ultraviolet, acid rain is formed, air is caused
Very serious pollution, it is considered to be one of main source of atmosphere pollution.As entire society is to environmental protection and labour protection
The laws and regulations of limitation VOC emission have been formulated in succession in the reinforcement of consciousness, countries in the world.Research and develop resource utilization high, environmentally friendly
Nuisanceless corrosion resistant coating (such as aqueous anticorrosion paint, High solid lacquer, powder paints) to replace traditional solvent-borne corrosion resistant coating, with low toxicity or
Nontoxic long-term anti-rust pigment (such as phosphate, ferrite, metaborate, aluminate, silicate) replaces red lead, chromate etc.
High poison rust resisting pigment turns into the development trend of corrosion resistant coating；
The mechanical property such as surface strength, impact strength in order to improve waterborne epoxy coatings, often adds wherein simultaneously
Plus the inorganic filler such as silica, bentonite, these inorganic fillers and epoxy resin it is dispersed poor, easily formed and reunited,
Cause the progressive of finished product coating poor, there is deposition, while causing film coated surface uneven, have the appearance of the phenomenons such as particle, reduce
The quality of finished product.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of system of anticorrosion water-soluble heat radiation coating
Preparation Method.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of anticorrosion water-soluble heat radiation coating, comprises the following steps：
(1) tetrakis hydroxymetyl phosphonium sulfuric of 3-4 parts by weight is taken, in the deionized water for being added to 10-17 times of its weight, stirring is equal
It is even, the diatomite of 10-12 parts by weight is added, rise temperature is 80-85 DEG C, and insulated and stirred 30-40 minutes, filtering will precipitate water
Wash, heat preservation and dryness 1-2 hours at 70-80 DEG C of vacuum, wear into fine powder, obtain phosphatization diatomite；
(2) calcium propionate of the maleic anhydride, the calcium ricinoleate of 0.4-1 parts by weight, 2-3 parts by weight of 10-13 parts by weight is taken to mix
Close, in the acetone for being added to 5-9 times of compound weight, stir, add the azodicarbonamide of 0.3-0.5 parts by weight, send
Enter into reactor, be passed through nitrogen, regulation temperature of reaction kettle is 65-70 DEG C, and insulated and stirred 1-2 hours, discharging must be modified poly- horse
Carry out anhydride solution；
(3) zinc acetylacetonate of 0.6-1 parts by weight is taken, is added in above-mentioned modified poly anhydride solution, stirs,
The diisocyanate of 1-2 parts by weight is added, rise temperature is 50-60 DEG C, adds above-mentioned phosphatization diatomite, insulated and stirred 2-3 is small
When, acetone is distilled off, diatomite crosslinking HPMA is obtained；
(4) above-mentioned diatomite crosslinking HPMA, the epoxy resin E44 mixing of 30-40 parts by weight are taken, mixing is added to
In the deionized water for expecting 10-14 times of weight, stir, be sent in reactor, be passed through nitrogen, add 1-1.5 parts by weight
Cumyl peroxide, rise temperature is 50-60 DEG C, insulated and stirred 1-2 hours, and discharging obtains acid pre-polymerization epoxy aqueous dispersions；
(5) sodium Diacetate, the lanolin magnesium soap mixing of 3-4 parts by weight of 1-2 parts by weight are taken, compound weight 5- is added to
In 10 times of thionyl chloride, insulated and stirred 20-30 minutes at 60-70 DEG C, thionyl chloride is distilled off, acyl chlorides magnesium soap is obtained；
(6) above-mentioned acyl chlorides magnesium soap is taken, is added in acid pre-polymerization epoxy aqueous dispersions, rise temperature is 50-55 DEG C, insulation
Stirring 1-2 hours, adds the copper 8-quinolinolate, the triethanolamine of 2.5-3 parts by weight, 80-100 parts by weight of 0.8-1 parts by weight
Epoxy resin E44,1600-2000 revs/min is stirred 30-40 minutes, produces the anticorrosion water-soluble heat radiation coating.
Advantages of the present invention：
The present invention handles diatomite using tetrakis hydroxymetyl phosphonium sulfuric, obtains phosphatization diatomite, is then single with maleic anhydride
Body, azodicarbonamide is initiator, obtains HPMA, then using diisocyanate as crosslinking agent, by phosphatization diatomite with
HPMA realizes crosslinking, obtained diatomite crosslinking HPMA is mixed with epoxy resin, the prepolymerization in water,
During polymerization, HPMA hydrolysis obtains acid pre-polymerization epoxy aqueous dispersions；Then by lanolin magnesium soap in protochloride
Handled in sulfone, obtain acyl chlorides magnesium soap；Then by the acid pre-polymerization epoxy aqueous dispersions and acyl chlorides magnesium soap hybrid reaction, acid amides is obtained
The epoxy dispersion liquid of change, the epoxy coating is scattered by amidatioon, effectively improves the dispersiveness between each raw material, improves each
The compatibility of raw material, improves the uniform and stable property of finished product, effectively improves the phenomenons such as coating layering, deposition, and the present invention will
Diatomite is by mixing crosslinking with HPMA, prepolymerized mode in the epoxy, effectively improve diatomite with
The compatibility of epoxy resin, improves the intensity and toughness of film coated surface, and diatomaceous microcellular structure can improve dissipating for film
Thermal effect, the present invention tetrakis hydroxymetyl phosphonium sulfuric, the lanolin magnesium soap that add etc. effectively raise the antiseptic property of finished product film.
Embodiment
Embodiment 1
A kind of preparation method of anticorrosion water-soluble heat radiation coating, comprises the following steps：
(1) tetrakis hydroxymetyl phosphonium sulfuric of 4 parts by weight is taken, in the deionized water for being added to 17 times of its weight, is stirred, plus
Enter the diatomite of 12 parts by weight, rise temperature is 85 DEG C, and precipitation is washed in insulated and stirred 40 minutes, filtering, is protected at 80 DEG C of vacuum
Temperature is dried 2 hours, is worn into fine powder, is obtained phosphatization diatomite；
(2) the calcium propionate mixing of the maleic anhydride, the calcium ricinoleate of 0.4-1 parts by weight, 3 parts by weight of 13 parts by weight is taken, plus
Enter into the acetone of 9 times of compound weight, stir, add the azodicarbonamide of 0.5 parts by weight, be sent to reactor
In, nitrogen is passed through, regulation temperature of reaction kettle is 70 DEG C, and insulated and stirred 2 hours, discharging obtains modified poly anhydride solution；
(3) zinc acetylacetonate of 1 parts by weight is taken, is added in above-mentioned modified poly anhydride solution, stirs, is added
The diisocyanate of 2 parts by weight, rise temperature is 50-60 DEG C, the above-mentioned phosphatization diatomite of addition, insulated and stirred 3 hours, and distillation is removed
Acetone is removed, diatomite crosslinking HPMA is obtained；
(4) above-mentioned diatomite crosslinking HPMA, the epoxy resin E44 mixing of 40 parts by weight are taken, compound is added to
In the deionized water that 14 times of weight, stir, be sent in reactor, be passed through nitrogen, add the peroxidating two of 1.5 parts by weight
Isopropylbenzene, rise temperature is 60 DEG C, insulated and stirred 2 hours, and discharging obtains acid pre-polymerization epoxy aqueous dispersions；
(5) sodium Diacetate, the lanolin magnesium soap mixing of 4 parts by weight of 2 parts by weight are taken, 10 times of compound weight is added to
In thionyl chloride, insulated and stirred 30 minutes, are distilled off thionyl chloride at 70 DEG C, obtain acyl chlorides magnesium soap；
(6) above-mentioned acyl chlorides magnesium soap is taken, is added in acid pre-polymerization epoxy aqueous dispersions, rise temperature is 55 DEG C, and insulation is stirred
Mix 2 hours, add copper 8-quinolinolate, the triethanolamine of 3 parts by weight, the epoxy resin of 100 parts by weight of 0.8-1 parts by weight
E44,2000 revs/min are stirred 40 minutes, produce the anticorrosion water-soluble heat radiation coating.
Embodiment 2
A kind of preparation method of anticorrosion water-soluble heat radiation coating, comprises the following steps：
(1) tetrakis hydroxymetyl phosphonium sulfuric of 3 parts by weight is taken, in the deionized water for being added to 10 times of its weight, is stirred, plus
Enter the diatomite of 10 parts by weight, rise temperature is 80 DEG C, and precipitation is washed in insulated and stirred 30 minutes, filtering, is protected at 70 DEG C of vacuum
Temperature is dried 1 hour, is worn into fine powder, is obtained phosphatization diatomite；
(2) the calcium propionate mixing of the maleic anhydride, the calcium ricinoleate of 0.4 parts by weight, 3 parts by weight of 10 parts by weight is taken, is added
Into the acetone of 5 times of compound weight, stir, add the azodicarbonamide of 0.3 parts by weight, be sent in reactor,
Nitrogen is passed through, regulation temperature of reaction kettle is 65 DEG C, and insulated and stirred 1 hour, discharging obtains modified poly anhydride solution；
(3) zinc acetylacetonate of 0.6 parts by weight is taken, is added in above-mentioned modified poly anhydride solution, stirs, plus
Enter the diisocyanate of 1 parts by weight, rise temperature is 50 DEG C, the above-mentioned phosphatization diatomite of addition, insulated and stirred 2 hours, and distillation is removed
Acetone is removed, diatomite crosslinking HPMA is obtained；
(4) above-mentioned diatomite crosslinking HPMA, the epoxy resin E44 mixing of 30 parts by weight are taken, compound is added to
In the deionized water that 10 times of weight, stir, be sent in reactor, be passed through nitrogen, the peroxidating two for adding 1 parts by weight is different
Propyl benzene, rise temperature is 50 DEG C, insulated and stirred 1 hour, and discharging obtains acid pre-polymerization epoxy aqueous dispersions；
(5) sodium Diacetate, the lanolin magnesium soap mixing of 3 parts by weight of 1 parts by weight are taken, 5 times of compound weight is added to
In thionyl chloride, insulated and stirred 20 minutes, are distilled off thionyl chloride at 60 DEG C, obtain acyl chlorides magnesium soap；
(6) above-mentioned acyl chlorides magnesium soap is taken, is added in acid pre-polymerization epoxy aqueous dispersions, rise temperature is 50 DEG C, and insulation is stirred
Mix 1 hour, add copper 8-quinolinolate, the triethanolamine of 2.5 parts by weight, the epoxy resin of 80 parts by weight of 0.8 parts by weight
E44,1600 revs/min are stirred 30 minutes, produce the anticorrosion water-soluble heat radiation coating.
Performance test：
Transformer oil resistant (1000h/105 DEG C)：Paint film is without damage；
Pencil hardness：4H；
Tensile strength/PMa：104-110；
Thermal conductivity factor 70-78mW/mK；
The performance test of traditional aqueous epoxide resin paint：
Adhesion strength (N/mm2) it is that 7.5, pencil hardness is that 3H, tensile strength/PMa are 95, thermal conductivity factor 40-50mW/
mK；
As can be seen that film of the present invention has more preferable pencil hardness, tensile strength, thermal conductivity factor, decay resistance.
Claims (1)
1. a kind of preparation method of anticorrosion water-soluble heat radiation coating, it is characterised in that comprise the following steps：
(1) tetrakis hydroxymetyl phosphonium sulfuric of 3-4 parts by weight is taken, in the deionized water for being added to 10-17 times of its weight, is stirred,
The diatomite of 10-12 parts by weight is added, rise temperature is 80-85 DEG C, and precipitation is washed in insulated and stirred 30-40 minutes, filtering,
Heat preservation and dryness 1-2 hours at 70-80 DEG C of vacuum, fine powder is worn into, phosphatization diatomite is obtained；
(2) the calcium propionate mixing of the maleic anhydride, the calcium ricinoleate of 0.4-1 parts by weight, 2-3 parts by weight of 10-13 parts by weight is taken, plus
Enter into the acetone of 5-9 times of compound weight, stir, add the azodicarbonamide of 0.3-0.5 parts by weight, be sent to anti-
Answer in kettle, be passed through nitrogen, regulation temperature of reaction kettle is 65-70 DEG C, and insulated and stirred 1-2 hours, discharging obtains modified HPMA
Solution；
(3) zinc acetylacetonate of 0.6-1 parts by weight is taken, is added in above-mentioned modified poly anhydride solution, stirs, is added
The diisocyanate of 1-2 parts by weight, rise temperature is 50-60 DEG C, adds above-mentioned phosphatization diatomite, and insulated and stirred 2-3 hours is steamed
Acetone is removed in distillation, obtains diatomite crosslinking HPMA；
(4) above-mentioned diatomite crosslinking HPMA, the epoxy resin E44 mixing of 30-40 parts by weight are taken, compound weight is added to
In the deionized water of 10-14 times of amount, stir, be sent in reactor, be passed through nitrogen, add the peroxide of 1-1.5 parts by weight
Change diisopropylbenzene (DIPB), rise temperature is 50-60 DEG C, and insulated and stirred 1-2 hours, discharging obtains acid pre-polymerization epoxy aqueous dispersions；
(5) sodium Diacetate, the lanolin magnesium soap mixing of 3-4 parts by weight of 1-2 parts by weight are taken, 5-10 times of compound weight is added to
Thionyl chloride in, insulated and stirred 20-30 minutes at 60-70 DEG C, thionyl chloride is distilled off, acyl chlorides magnesium soap is obtained；
(6) above-mentioned acyl chlorides magnesium soap is taken, is added in acid pre-polymerization epoxy aqueous dispersions, rise temperature is 50-55 DEG C, insulated and stirred
1-2 hours, add copper 8-quinolinolate, the triethanolamine of 2.5-3 parts by weight, the ring of 80-100 parts by weight of 0.8-1 parts by weight
Oxygen tree fat E44,1600-2000 revs/min is stirred 30-40 minutes, produces the anticorrosion water-soluble heat radiation coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497173.2A CN107118669A (en) | 2017-06-27 | 2017-06-27 | A kind of preparation method of anticorrosion water-soluble heat radiation coating |
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| CN201710497173.2A CN107118669A (en) | 2017-06-27 | 2017-06-27 | A kind of preparation method of anticorrosion water-soluble heat radiation coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321044A (en) * | 2018-08-23 | 2019-02-12 | 蚌埠市奥特纸箱机械有限公司 | A kind of printing machine surface anticorrosion coating |
| CN111073373A (en) * | 2019-12-29 | 2020-04-28 | 袁芬芬 | Phosphatized epoxy coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240141A (en) * | 2008-03-20 | 2008-08-13 | 焦占付 | Water-based antirust agent |
-
2017
- 2017-06-27 CN CN201710497173.2A patent/CN107118669A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240141A (en) * | 2008-03-20 | 2008-08-13 | 焦占付 | Water-based antirust agent |
Non-Patent Citations (1)
| Title |
|---|
| 徐玲: "《高分子化学 第二版》", 31 January 2010, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321044A (en) * | 2018-08-23 | 2019-02-12 | 蚌埠市奥特纸箱机械有限公司 | A kind of printing machine surface anticorrosion coating |
| CN111073373A (en) * | 2019-12-29 | 2020-04-28 | 袁芬芬 | Phosphatized epoxy coating and preparation method thereof |
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