CN105063630A - Saponified metal surface treatment agent and preparation method thereof - Google Patents
Saponified metal surface treatment agent and preparation method thereof Download PDFInfo
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- CN105063630A CN105063630A CN201510416533.2A CN201510416533A CN105063630A CN 105063630 A CN105063630 A CN 105063630A CN 201510416533 A CN201510416533 A CN 201510416533A CN 105063630 A CN105063630 A CN 105063630A
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Abstract
The invention discloses a saponified metal surface treatment agent. The surfaces of acrylate latex solution particles contain a large amount of carboxyl; aniline is added into an acrylate latex solution; aniline monomers are firstly diffused to the inside of micelles and then doped with the carboxyl; then the aniline is subjected to polymerization reaction on the surfaces of the latex particles under the action of an oxidizing agent, the contact angle of a polyaniline coating with water is increased, and adhesive force and water resistance are improved; a metal surface can be passivated to achieve the protecting function through electron transfer and oxidation-reduction functions of the coating; inorganic constituents Ti4+ introduced by fluotitanic acid modified by silanization can form TiO2 particles during heating curing and the gaps of a silicane film is uniformly filled with the TiO2 particles; the whole film is more uniform and compact, and the micro-electrochemical reaction of the film surface can be effectively inhibited; therefore, corrosion resistance is greatly improved.
Description
Technical field
The present invention relates to a kind for the treatment of agent, particularly relate to a kind of saponification metal conditioner and preparation method thereof.
Background technology
Polyaniline is a class conducting polymer composite; stable performance, environmental friendliness, and redox potential is far above metal; its coating can by transfer transport effect and redoxomorphism in acidity or neutral medium; making metal surface passivation produce provide protection, is the good material of anticorrosive metal, but; polyaniline molecule chain rigidity is strong; insolublely not melt, be difficult to processing, usually will with other filmogen compound uses.Acrylate resin is conventional filmogen, has good film-forming properties and sticking power.
At present, the mode of polyaniline and acrylate resin compound masking has 3 kinds: polyaniline coating applies acrylate finish paint and form compound coating, and 2 kinds of coatings play a role separately; Polyaniline powder is directly dispersed in acrylic resin as filler prepares coating; Both to be dissolved in same solvent brushing film forming on metal more altogether.Adopt emulsion latex interpenetrating polymerization legal system for polyaniline-acrylic resin anticorrosive coating, its coating has good Corrosion Protection.Utilize the carboxyl in acrylate polymer chains to the chanza of aniline, adopt situ aggregation method to synthesize acrylate-aniline; But research, mainly for the impact of aniline content on multipolymer dielectric properties, does not discuss the Corrosion Protection of multipolymer.At present, the report of anticorrosive is prepared about acrylate and aniline copolymerization also little.
Summary of the invention
The invention provides a kind of saponification metal conditioner and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of saponification metal conditioner, it is made up of the raw material of following weight parts:
Sodium lauroyl sareosine 0.7-1, propolis 0.3-0.7, sp-801.8-2, aniline 0.5-0.6, Potassium Persulphate 0.38-0.4, butyl acrylate 40-50, sodium bicarbonate 0.16-0.2, two (the silica-based propyl group of γ-triethoxy) tetrasulfide 20-30, the ethanol 100-110 of 70-75%, 30% hydrogen peroxidase 10 .2-0.3, deionized water 110-120, hydrofluotitanic acid 4-6, linolic acid calcium soap 2-4, difenoconazole 0.4-1, nitrilotriacetic acid(NTA) 2-3, triethyl phosphate 1-2, zinc nitrate 3-4, potassium silicate 1-2.
A preparation method for saponification metal conditioner, comprises the following steps:
(1) get the 80-90% of 40-50%, sp-80 weight of above-mentioned Potassium Persulphate weight, mix with sodium bicarbonate, add the 70-75% of deionized water weight, stir, obtain initiator emulsion;
(2) get the 40-50% of residue deionized water weight, add linolic acid calcium soap, add zinc nitrate, potassium silicate after stirring, stir, obtain antirust soap;
(3) by the 20-26% of the ethanol weight of above-mentioned 70-75%, add sodium lauroyl sareosine, after stirring, add triethyl phosphate, stir, obtain alcohol ester emulsion;
(4) by above-mentioned antirust soap, the mixing of alcohol ester emulsion, add propolis, difenoconazole after stirring, send in the water-bath of 60-70 DEG C, insulated and stirred 20-30 minute, discharging cools, and obtains antirust saponification emulsion;
(5) 45-50% of above-mentioned initiator emulsion weight is got, raised temperature is 80-86 DEG C, drip the mixed solution of remaining initiator emulsion and butyl acrylate, above-mentioned antirust saponification emulsion is added after dropwising, 100-200 rev/min is stirred 10-20 minute, insulation reaction 1-2 hour, obtains acrylate glue;
(6) remaining Potassium Persulphate is joined in remaining deionized water, stir, obtain initiator solution;
(7) get the ethanol of remaining 70-75%, add two (the silica-based propyl group of γ-triethoxy) tetrasulfide, adjustment PH is 3-4, and add hydrofluotitanic acid, 30% hydrogen peroxide, stirring reaction 6-7 hour, obtains fluorinated silane;
(8) by aniline, the mixing of acrylate glue, stir, drip initiator solution, at 10-15 DEG C, react 8-10 hour after dropwising, send in the water-bath of 65-70 DEG C, add fluorinated silane, insulated and stirred reaction 1-2 hour, obtains silanization vinylformic acid-aniline copolymer emulsion;
(9) mixed with each raw material of residue by above-mentioned silanization vinylformic acid-aniline copolymer emulsion, 800-1000 rev/min is stirred 40-50 minute, obtains described saponification metal conditioner.
Advantage of the present invention is:
Acrylate adhesive liquid particles surface of the present invention is containing a large amount of carboxyls, aniline is joined in acrylate glue, first aniline monomer is diffused into micella inside, then adulterate with carboxyl, subsequently under the effect of oxygenant, aniline is at latex particle surface polymerization reaction take place, increase the contact angle of polyaniline coating to water, improve sticking power and water tolerance, this coating can by transfer transport effect and redoxomorphism, metal surface passivation is made to produce provide protection, the propylene glycol phenylate added can strengthen stability and the film-forming properties of coating, corrosive medium is effectively inhibit to immerse the process of post-etching,
And through the hydrofluotitanic acid of silylating reagent, the inorganic component Ti of introducing
4+tiO is formed in heat curing process
2particle, is filled in the space of silane film equably, makes whole rete even compact more, effectively can suppress micro-electrochemical reaction of film surface, thus corrosion resistance nature is greatly improved;
Surface agent of the present invention adds antirust saponification emulsion, improves the viscosity of film, enhances the sticking power with metal base, improves peel strength.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1:
A kind of saponification metal conditioner, is characterized in that what it was made up of the raw material of following weight parts:
Ethanol 110,30% hydrogen peroxidase 10 .3, deionized water 120, hydrofluotitanic acid 4, linolic acid calcium soap 2, difenoconazole 0.4, nitrilotriacetic acid(NTA) 3, triethyl phosphate 1-2, zinc nitrate 4, the potassium silicate 1 of sodium lauroyl sareosine 0.7, propolis 0.7, sp-801.8, aniline 0.6, Potassium Persulphate 0.38, butyl acrylate 50, sodium bicarbonate 0.2, two (the silica-based propyl group of γ-triethoxy) tetrasulfide 30,75%.
A preparation method for saponification metal conditioner, comprises the following steps:
(1) get 50% of above-mentioned Potassium Persulphate weight, 90% of sp-80 weight, mix with sodium bicarbonate, add 75% of deionized water weight, stir, obtain initiator emulsion;
(2) get 50% of residue deionized water weight, add linolic acid calcium soap, add zinc nitrate, potassium silicate after stirring, stir, obtain antirust soap;
(3) by 26% of the ethanol weight of above-mentioned 75%, add sodium lauroyl sareosine, after stirring, add triethyl phosphate, stir, obtain alcohol ester emulsion;
(4) by above-mentioned antirust soap, the mixing of alcohol ester emulsion, add propolis, difenoconazole after stirring, send in the water-bath of 70 DEG C, insulated and stirred 30 minutes, discharging cools, and obtains antirust saponification emulsion;
(5) get 50% of above-mentioned initiator emulsion weight, raised temperature is 80-86 DEG C, drips the mixed solution of remaining initiator emulsion and butyl acrylate, above-mentioned antirust saponification emulsion is added after dropwising, 200 revs/min are stirred 10 minutes, and insulation reaction 2 hours, obtains acrylate glue;
(6) remaining Potassium Persulphate is joined in remaining deionized water, stir, obtain initiator solution;
(7) get the ethanol of remaining 75%, add two (the silica-based propyl group of γ-triethoxy) tetrasulfide, regulate PH to be 3, add hydrofluotitanic acid, 30% hydrogen peroxide, stirring reaction 6 hours, obtains fluorinated silane;
(8) by aniline, the mixing of acrylate glue, stir, drip initiator solution, react 10 hours at 15 DEG C after dropwising, send in the water-bath of 70 DEG C, add fluorinated silane, insulated and stirred reacts 1 hour, obtains silanization vinylformic acid-aniline copolymer emulsion;
(9) mixed with each raw material of residue by above-mentioned silanization vinylformic acid-aniline copolymer emulsion, 1000 revs/min are stirred 40-50 minute, obtain described saponification metal conditioner.
Performance test:
Water-intake rate: according to the method described above surface treatment agent of the present invention is coated on the surface of steel plate being of a size of 5cm × 6cm, soaks 48h in the deionized water of 25 DEG C, and recording water-intake rate is 16.3%;
Sticking power: 1 grade;
Erosion resistance: neutral salt spray test 72 hours, be corroded area 2.1%;
Hardness: 3H.
Claims (2)
1. a saponification metal conditioner, is characterized in that what it was made up of the raw material of following weight parts:
Sodium lauroyl sareosine 0.7-1, propolis 0.3-0.7, sp-801.8-2, aniline 0.5-0.6, Potassium Persulphate 0.38-0.4, butyl acrylate 40-50, sodium bicarbonate 0.16-0.2, two (the silica-based propyl group of γ-triethoxy) tetrasulfide 20-30, the ethanol 100-110 of 70-75%, 30% hydrogen peroxidase 10 .2-0.3, deionized water 110-120, hydrofluotitanic acid 4-6, linolic acid calcium soap 2-4, difenoconazole 0.4-1, nitrilotriacetic acid(NTA) 2-3, triethyl phosphate 1-2, zinc nitrate 3-4, potassium silicate 1-2.
2. a preparation method for saponification metal conditioner as claimed in claim 1, is characterized in that comprising the following steps:
(1) get the 80-90% of 40-50%, sp-80 weight of above-mentioned Potassium Persulphate weight, mix with sodium bicarbonate, add the 70-75% of deionized water weight, stir, obtain initiator emulsion;
(2) get the 40-50% of residue deionized water weight, add linolic acid calcium soap, add zinc nitrate, potassium silicate after stirring, stir, obtain antirust soap;
(3) by the 20-26% of the ethanol weight of above-mentioned 70-75%, add sodium lauroyl sareosine, after stirring, add triethyl phosphate, stir, obtain alcohol ester emulsion;
(4) by above-mentioned antirust soap, the mixing of alcohol ester emulsion, add propolis, difenoconazole after stirring, send in the water-bath of 60-70 DEG C, insulated and stirred 20-30 minute, discharging cools, and obtains antirust saponification emulsion;
(5) 45-50% of above-mentioned initiator emulsion weight is got, raised temperature is 80-86 DEG C, drip the mixed solution of remaining initiator emulsion and butyl acrylate, above-mentioned antirust saponification emulsion is added after dropwising, 100-200 rev/min is stirred 10-20 minute, insulation reaction 1-2 hour, obtains acrylate glue;
(6) remaining Potassium Persulphate is joined in remaining deionized water, stir, obtain initiator solution;
(7) get the ethanol of remaining 70-75%, add two (the silica-based propyl group of γ-triethoxy) tetrasulfide, adjustment PH is 3-4, and add hydrofluotitanic acid, 30% hydrogen peroxide, stirring reaction 6-7 hour, obtains fluorinated silane;
(8) by aniline, the mixing of acrylate glue, stir, drip initiator solution, at 10-15 DEG C, react 8-10 hour after dropwising, send in the water-bath of 65-70 DEG C, add fluorinated silane, insulated and stirred reaction 1-2 hour, obtains silanization vinylformic acid-aniline copolymer emulsion;
(9) mixed with each raw material of residue by above-mentioned silanization vinylformic acid-aniline copolymer emulsion, 800-1000 rev/min is stirred 40-50 minute, obtains described saponification metal conditioner.
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Citations (5)
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|---|---|---|---|---|
| FR2847913A1 (en) * | 2002-11-28 | 2004-06-04 | Electro Rech | Surface treatment of metal workpieces coated with a passivated zinc layer before coating with rubber comprises using finishing bath containing an organosilicon corrosion inhibitor and an organic adhesive compound |
| CN102702815A (en) * | 2012-06-27 | 2012-10-03 | 中国科学院长春应用化学研究所 | Ultraviolet curing anticorrosive coating |
| CN103374715A (en) * | 2012-04-27 | 2013-10-30 | 中国钢铁股份有限公司 | Aqueous metal surface treatment agent and metal surface treatment method using same |
| CN103966593A (en) * | 2014-05-12 | 2014-08-06 | 无锡海特新材料研究院有限公司 | Antiseptic and anticorrosive treatment method for metal surface |
| CN104087042A (en) * | 2014-07-16 | 2014-10-08 | 司徒建辉 | Aqueous rust-removal antirust primer |
-
2015
- 2015-07-13 CN CN201510416533.2A patent/CN105063630A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2847913A1 (en) * | 2002-11-28 | 2004-06-04 | Electro Rech | Surface treatment of metal workpieces coated with a passivated zinc layer before coating with rubber comprises using finishing bath containing an organosilicon corrosion inhibitor and an organic adhesive compound |
| FR2847913B1 (en) * | 2002-11-28 | 2005-02-18 | Electro Rech | PROCESS FOR SURFACE TREATMENT OF METAL PARTS BEFORE MOLDING A RUBBER COATING AND A CHEMICAL FINISHING BATH AND A METAL PART THUS OBTAINED |
| CN103374715A (en) * | 2012-04-27 | 2013-10-30 | 中国钢铁股份有限公司 | Aqueous metal surface treatment agent and metal surface treatment method using same |
| CN102702815A (en) * | 2012-06-27 | 2012-10-03 | 中国科学院长春应用化学研究所 | Ultraviolet curing anticorrosive coating |
| CN103966593A (en) * | 2014-05-12 | 2014-08-06 | 无锡海特新材料研究院有限公司 | Antiseptic and anticorrosive treatment method for metal surface |
| CN104087042A (en) * | 2014-07-16 | 2014-10-08 | 司徒建辉 | Aqueous rust-removal antirust primer |
Non-Patent Citations (2)
| Title |
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| 叶鹏飞等: "镀锌钢板表面有机硅烷-氟钛酸复合钝化膜的耐蚀性能及成膜、耐蚀机理", 《材料保护》 * |
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