CN110330872A - A kind of preparation method of the abietyl medium oil alkyd corrosive enamel of high pitting potential - Google Patents
A kind of preparation method of the abietyl medium oil alkyd corrosive enamel of high pitting potential Download PDFInfo
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- CN110330872A CN110330872A CN201910627326.XA CN201910627326A CN110330872A CN 110330872 A CN110330872 A CN 110330872A CN 201910627326 A CN201910627326 A CN 201910627326A CN 110330872 A CN110330872 A CN 110330872A
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- parts
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- medium oil
- oil alkyd
- abietyl
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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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
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of preparation methods of the abietyl medium oil alkyd corrosive enamel of high pitting potential, using stemness medium oil alkyd and rosin acrylic acid (ethylenediamine) amide as film forming matter, using butyl acetate as solvent, add the molysite of the polyether-modified Dimethicone Copolyol body of talcum powder, bentonite, dispersing agent polyethylene glycol 200, levelling agent and drier aphthenic acids, high-speed stirred up to high pitting potential abietyl medium oil alkyd corrosive enamel.The enamel paint resistance to spot corrosion performance with higher, can be applied to the antiseptic project in the fields such as house balcony Metal Substrate railing, petrochemical equipment, pipeline, offshore oil platform, terminal facilities, ship.
Description
Technical field
The present invention relates to enamel paint fields, more particularly, to a kind of abietyl medium oil alkyd anti-corrosion of high pitting potential
The preparation method of enamel paint.
Background technique
Due to the metal materials equipment such as house balcony balustrade, petrochemical equipment, pipeline, offshore oil platform, ship, due to point
Lose current potential it is lower, be highly prone to the corrosion of atmospheric environment, especially ship equipment underwater position due to long period of soaking chlorine
Change in the corrosive mediums such as sodium and easily causes spot corrosion, blistering, cracking, obscission.The method handled at present is in paint formulation
Add the heavy metal compounds such as a large amount of lead orthoplumbate, however this kind of corrosion-inhibiting coating constantly has the analysis of these heavy metal lead plasmas
Out, serious Marine Pollution, river and soil environment cause to seriously affect to global ecological environment and human body.But due to current
Therefore the substitute technology not being suitble to finds suitable substitute technology and is of great significance.
Alkyd resin is formed by polyalcohol, phthalic anhydride and fatty acid or oil (fatty acid triglyceride) condensation polymerization
Oil modified polyester resin.There are many hydrogen bonds in alkyd resin macromolecular, intermolecular force is big, can be with many compounds
Crosslinking film forming is carried out, so having using the alkyd resin antifouling paint that alkyd resin is made into as film forming matter preferable corrosion-resistant
Property, the characteristics such as permeability resistance, wearability and preferable adhesive force, but it is many with the variable factor of alkyd resin crosslinking film forming,
Matched at present due to the monomer of selection with alkyd resin inappropriate, pitting potential is lower, therefore, pitting resistance be not it is very high,
It can not meet the needs of practical adverse circumstances.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of equipment simply, manufacture is easy, a kind of pine of high pitting potential
The preparation method of perfume base medium oil alkyd corrosive enamel.
In order to solve the above technical problems, the present invention adopts the following technical scheme: with stemness medium oil alkyd and propylene
Pimaric acid (ethylenediamine) amide adds the poly- second of talcum powder, bentonite, dispersing agent using butyl acetate as solvent for film forming matter
The polyether-modified Dimethicone Copolyol body of glycol 200, levelling agent and the preparation of drier aphthenic acids molysite.
A kind of preparation method of above-mentioned efficient medium oil alkyd corrosive enamel, with stemness medium oil alkyd and
Rosin acrylic acid (ethylenediamine) amide adds talcum powder, bentonite, dispersing agent using butyl acetate as solvent for film forming matter
The polyether-modified Dimethicone Copolyol body of polyethylene glycol 200, levelling agent and drier aphthenic acids molysite are high in reactor tank
Speed stirs to obtain the final product.
A kind of preparation method of the abietyl medium oil alkyd corrosive enamel of above-mentioned high pitting potential, including following mistake
Journey:
By the stemness medium oil alkyd of 25~40 parts by weight, 0.5~5 parts by weight rosin acrylic acid (ethylenediamine) amide and
The butyl acetate solvent of 30~40 parts by weight is added in reactor tank together to stir evenly, and is further continued for the talcum of 5~20 parts by weight
Powder, the bentonite of 5~15 parts by weight, the dispersing agent polyethylene glycol 200 of 1~10 parts by weight, 1~8 parts by weight levelling agent polyethers
Modified dimethyl polysiloxane copolymer, 0.5~5 parts by weight drier aphthenic acids molysite put reactor tank high speed into together and stir
1 hour is mixed up to a kind of efficient medium oil alkyd corrosive enamel.
Experiment discovery, using stemness medium oil alkyd and rosin acrylic acid (ethylenediamine) amide as film forming matter, with second
Acid butyl ester is solvent, adds talcum powder, bentonite, dispersing agent polyethylene glycol 200, the polyether-modified polydimethylsiloxanes of levelling agent
Alkane copolymer and the abietyl medium oil alkyd corrosive enamel of drier aphthenic acids molysite preparation, are applied to 6063 aluminum alloy sheets
On, using testing on electrochemical operation, bare area is 1 square centimeter, and pitting potential improves nearly 100 mV；In addition, should
Enamel paint is sprayed on 6063 aluminum alloy sheets, and experiment there is not spot corrosion when impregnating 100 hours in 3.5% sodium chloride solution, is not also risen
Bubble does not crack, does not fall off.Therefore, the abietyl medium oil alkyd corrosive enamel corrosion resistance with higher of preparation,
And other antiseptic properties are also more excellent, and more than current long oil alkyd corrosive enamel, and equipment is simple, production is held
Easily.
Detailed description of the invention
Fig. 1 is a kind of Abietyl-containing third of high pitting potential (Pitting corrosion potential) in embodiment 1
Alkene pimaric acid (ethylenediamine) amide medium oil alkyd corrosive enamel and the medium oil alkyd corrosive enamel for being free of rosin
Polarization curve.
Specific embodiment
Embodiment 1
One, the processing of 6063 aluminum alloy sheets
6063 aluminum alloy sheets are successively polished with the alumina powder of 1.0 μm, 0.3 μm on polishing cloth, are then placed in 5% salt
5 min of ultrasound, place into deionized water and are cleaned by ultrasonic 5 min in acid, are finally putting into dehydrated alcohol and dry after 6 min of ultrasound
It is spare.
Two, the preparation for containing and being free of rosin acrylic acid (ethylenediamine) amide corrosive enamel
By the stemness medium oil alkyd of 20 parts by weight, rosin acrylic acid (ethylenediamine) amide of 1 parts by weight and 25 parts by weight
Butyl acetate solvent be added in reactor tank stir evenly together, be further continued for by the talcum powder of 15 parts by weight, 15 parts by weight it is swollen
Moisten soil, the polyether-modified Dimethicone Copolyol body of levelling agent of the dispersing agent polyethylene glycol 200 of 2 parts by weight, 2 parts by weight, 1
The reactor tank high speed that the drier aphthenic acids molysite of parts by weight is added together stirs 1 hour up to (ethylenediamine) containing rosin acrylic acid
Amide corrosive enamel；Another corrosive enamel is not other than adding rosin acrylic acid (ethylenediamine) amide of 2 parts by weight, other operations
Process is identical to get without rosin acrylic acid (ethylenediamine) amide corrosive enamel.
Three, the antiseptic property test of medium oil alkyd corrosive enamel
<1>use solvent volume than for the dimethylbenzene of 2:3 and acetic acid fourth two parts of medium oil alkyd corrosive enamels of preparation
Ester mixed solvent dilution, then take 18 μ L corrosive enamels to be applied on two piece of 6063 spare aluminum alloy sheet respectively, film it is exposed
Area is 1 square centimeter, dries 24 hours in air, activation polarization is then carried out in 3.5% sodium chloride solution
Curve test, compares pitting potential, and discovery has added the medium oil alkyd corrosive enamel of rosin acrylic acid (ethylenediamine) amide
Pitting potential improve nearly 100 mV;In addition, having added the medium oil alkyd anti-corrosion magnetic of rosin acrylic acid (ethylenediamine) amide
The corrosion current of paint is significantly reduced.
<2>contain preparation uses solvent volume than for 2:3's with without rosin acrylic acid (ethylenediamine) amide corrosive enamel
Dimethylbenzene and n-butyl acetate mixed solvent dilution, are then sprayed on 6063 spare aluminum alloy sheets, are soaked in after 24 hours
It in 3.5% sodium chloride solution, impregnates 100 hours, is risen containing rosin acrylic acid (ethylenediamine) amide corrosive enamel without spot corrosion, nothing
Bubble, without cracking, without obscission;Without rosin acrylic acid (ethylenediamine) amide corrosive enamel occur serious spot corrosion, blistering,
Cracking, obscission.
Therefore, abietyl medium oil alkyd corrosive enamel prepared by the present invention anti-pitting corrosion with higher and its
Its Corrosion Protection.
Claims (1)
1. a kind of preparation method of the abietyl medium oil alkyd corrosive enamel of high pitting potential, it is characterised in that by following
Parts by weight at being grouped as:
Stemness medium oil alkyd 25~40；
Rosin acrylic acid (ethylenediamine) amide 0.5~5；
Solvent acetic acid butyl ester 30~40；
Talcum powder 5~20；
Bentonite 5~15；
Dispersing agent polyethylene glycol 200 1~10；
The polyether-modified Dimethicone Copolyol body 1~8 of levelling agent；
Drier aphthenic acids molysite 0.5~5；
Specifically carried out by following operation:
By the stemness medium oil alkyd of 25~40 parts by weight, 0.5~5 parts by weight rosin acrylic acid (ethylenediamine) amide and
The butyl acetate solvent of 30~40 parts by weight is added in reactor tank together to stir evenly, and is further continued for the talcum of 5~20 parts by weight
Powder, the bentonite of 5~15 parts by weight, the dispersing agent polyethylene glycol 200 of 1~10 parts by weight, 1~8 parts by weight levelling agent polyethers
The molysite of the drier aphthenic acids of modified dimethyl polysiloxane copolymer, 0.5~5 parts by weight puts reactor tank high speed into together
Stir 1 hour to obtain the final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627326.XA CN110330872A (en) | 2019-07-12 | 2019-07-12 | A kind of preparation method of the abietyl medium oil alkyd corrosive enamel of high pitting potential |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627326.XA CN110330872A (en) | 2019-07-12 | 2019-07-12 | A kind of preparation method of the abietyl medium oil alkyd corrosive enamel of high pitting potential |
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| CN110330872A true CN110330872A (en) | 2019-10-15 |
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| CN201910627326.XA Withdrawn CN110330872A (en) | 2019-07-12 | 2019-07-12 | A kind of preparation method of the abietyl medium oil alkyd corrosive enamel of high pitting potential |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409895A (en) * | 2020-12-04 | 2021-02-26 | 广西民族大学 | Preparation method of medium-oil alkyd resin anticorrosive enamel with high corrosion potential |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573741A (en) * | 2017-10-24 | 2018-01-12 | 广西民族大学 | A kind of preparation method of efficient medium oil alkyd corrosive enamel |
-
2019
- 2019-07-12 CN CN201910627326.XA patent/CN110330872A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573741A (en) * | 2017-10-24 | 2018-01-12 | 广西民族大学 | A kind of preparation method of efficient medium oil alkyd corrosive enamel |
Non-Patent Citations (1)
| Title |
|---|
| 李媛等: "基于松香的酰胺类固化剂的合成及性能研究", 《上海涂料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409895A (en) * | 2020-12-04 | 2021-02-26 | 广西民族大学 | Preparation method of medium-oil alkyd resin anticorrosive enamel with high corrosion potential |
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Application publication date: 20191015 |