CN105086719A - Surface treating agent for sliding mechanical parts and preparation method therefor - Google Patents
Surface treating agent for sliding mechanical parts and preparation method therefor Download PDFInfo
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- CN105086719A CN105086719A CN201510411535.2A CN201510411535A CN105086719A CN 105086719 A CN105086719 A CN 105086719A CN 201510411535 A CN201510411535 A CN 201510411535A CN 105086719 A CN105086719 A CN 105086719A
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Abstract
The invention discloses a surface treating agent for sliding mechanical parts. According to the surface treating agent for the sliding mechanical parts, surfaces of acrylate glue solution particles contain a large number of carboxyl groups, aniline is added into an acrylate glue solution, is firstly diffused inside micella, then is doped with the carboxyl groups and then is subjected to polymerization reaction on surfaces of latex particles in the presence of an oxidant, thus the angle of contact with water of a polyaniline coating layer is increased, and the adhesive power and water resistance are improved; and the coating layer can enable metal surface passivation through an electron transport effect and oxidation-reduction effects so as to achieve a protective effect, silanization modified fluotitanate and an introduced inorganic constituent Ti<4+> form TiO2 particles during heated curing, and the TiO2 particles are uniformly filled in gaps of silane films, so that the whole film layer is more uniform and denser, the superficial microelectrochemical reaction of the film layer can be effectively inhibited, and thus the 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 sliding mechanical parts surface treatment agent 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 sliding mechanical parts surface treatment agent and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of sliding mechanical parts surface treatment agent, it is made up of the raw material of following weight parts:
Vinyl bis-stearamides 1.3-2, tetramethyl-pentanedioic acid 0.1-0.2, two Imidurea 0.3-0.6, chitosan 1-2, Sodium tetrafluoroborate 1.7-2, two Lauryl Alcohol ester 2-3, methyl-silicone oil 3-4, sp-801.8-2, aniline 0.5-0.6, butyl acrylate 40-50, sodium bicarbonate 0.16-0.2, the ethanol 100-110 of two (the silica-based propyl group of γ-triethoxy) tetrasulfide 20-30,70-75%, 30% hydrogen peroxidase 10 .2-0.3, deionized water 110-120, hydrofluotitanic acid 4-6.
A preparation method for sliding mechanical parts surface treatment agent, comprises the following steps:
(1) get the 80-86% of 40-50%, sp-80 weight of above-mentioned Potassium Persulphate weight, mix with sodium bicarbonate, add deionized water weight 50-60%, stir, obtain initiator emulsion;
(2) methyl-silicone oil is heated to 70-80 DEG C, adds vinyl bis-stearamides, insulated and stirred 4-10 minute, add tetramethyl-pentanedioic acid, be stirred to normal temperature, obtain vinyl lubricating oil;
(3) get the 6-10% of the 50-60% of residue deionized water weight, the ethanol weight of above-mentioned 70-75%, mixing, add remaining sp-80, add Sodium tetrafluoroborate, two Lauryl Alcohol ester after stirring, insulated and stirred 1-2 hour at 70-80 DEG C, obtains emulsification alcohol ester;
(4) 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, emulsification alcohol ester is added after dropwising, send in the water-bath of 50-60 DEG C, add two Imidurea, insulated and stirred 1-2 hour, obtains acrylate glue;
(5) remaining Potassium Persulphate is joined in remaining deionized water, stir, obtain initiator solution;
(6) get the ethanol of above-mentioned 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, adds chitosan, stirs, and obtains fluorinated silane;
(7) aniline is mixed with aforesaid propylene acid esters glue, stir, drip initiator solution, at 10-15 DEG C, 8-10 hour is reacted after dropwising, send in the water-bath of 65-70 DEG C, add fluorinated silane, insulated and stirred reaction 1-2 hour, discharging cools, and obtains silanization vinylformic acid-aniline copolymer emulsion;
(8) mixed with vinyl lubricating oil by above-mentioned silanization vinylformic acid-aniline copolymer emulsion, 500-600 rev/min is stirred 20-30 minute, adds each raw material of residue, and 800-1000 rev/min is stirred 40-50 minute, obtain described sliding mechanical parts surface treatment agent.
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;
The present invention, by modified for hydrofluotitanic acid silane passive film and vinylformic acid-aniline copolymer membrane compound, makes rete finer and close, stable, and stronger to the resistance capabilities of corrosive medium, corrosion resistance nature is more excellent;
Surface treatment agent of the present invention when for sliding mechanical parts, even if without lubricating oil, also can by carrying out regular coating and the good slip of long term maintenance.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1:
A kind of sliding mechanical parts surface treatment agent, is characterized in that what it was made up of the raw material of following weight parts:
Ethanol 100,30% hydrogen peroxidase 10 .3, deionized water 120, the hydrofluotitanic acid 4 of vinyl bis-stearamides 1.3-2, tetramethyl-pentanedioic acid 0.1, two Imidurea .6, chitosan 1-2, Sodium tetrafluoroborate 1.7, two Lauryl Alcohol ester 2, methyl-silicone oil 3, sp-801.8, aniline 0.6, butyl acrylate 50, sodium bicarbonate 0.16, two (the silica-based propyl group of γ-triethoxy) tetrasulfide 30,75%.
A preparation method for sliding mechanical parts surface treatment agent, comprises the following steps:
(1) get 50% of above-mentioned Potassium Persulphate weight, 86% of sp-80 weight, mix with sodium bicarbonate, add deionized water weight 60%, stir, obtain initiator emulsion;
(2) methyl-silicone oil is heated to 80 DEG C, adds vinyl bis-stearamides, insulated and stirred 10 minutes, adds tetramethyl-pentanedioic acid, is stirred to normal temperature, obtains vinyl lubricating oil;
(3) get 10% of the ethanol weight of 50%, above-mentioned 75% of residue deionized water weight, mixing, add remaining sp-80, add Sodium tetrafluoroborate, two Lauryl Alcohol ester after stirring, at 80 DEG C, insulated and stirred 1 hour, obtains emulsification alcohol ester;
(4) get 50% of above-mentioned initiator emulsion weight, raised temperature is 86 DEG C, drips the mixed solution of remaining initiator emulsion and butyl acrylate, add emulsification alcohol ester after dropwising, send in the water-bath of 60 DEG C, add two Imidurea, insulated and stirred 1 hour, obtains acrylate glue;
(5) remaining Potassium Persulphate is joined in remaining deionized water, stir, obtain initiator solution;
(6) get the ethanol of above-mentioned 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, adds chitosan, stirs, obtain fluorinated silane;
(7) aniline is mixed with aforesaid propylene acid esters glue, stir, drip initiator solution, react 10 hours at 105 DEG C after dropwising, send in the water-bath of 70 DEG C, add fluorinated silane, insulated and stirred reacts 1 hour, and discharging cools, and obtains silanization vinylformic acid-aniline copolymer emulsion;
(8) mixed with vinyl lubricating oil by above-mentioned silanization vinylformic acid-aniline copolymer emulsion, 600 revs/min are stirred 30 minutes, add each raw material of residue, and 1000 revs/min are stirred 50 minutes, obtain described sliding mechanical parts surface treatment agent.
Using method: cleaned up by sheet metal surface, drops in sheet metal surface uniformly by surface treatment agent of the present invention, first at 120 DEG C, toasts 30-40s, seasoning film forming, then at 80 DEG C drying and processing 15-20 minute.
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 16.2%;
Sticking power: 1 grade;
Erosion resistance: neutral salt spray test 72 hours, be corroded area 1.9%;
Hardness: 2H.
Claims (2)
1. a sliding mechanical parts surface treatment agent, is characterized in that what it was made up of the raw material of following weight parts:
Vinyl bis-stearamides 1.3-2, tetramethyl-pentanedioic acid 0.1-0.2, two Imidurea 0.3-0.6, chitosan 1-2, Sodium tetrafluoroborate 1.7-2, two Lauryl Alcohol ester 2-3, methyl-silicone oil 3-4, sp-801.8-2, aniline 0.5-0.6, butyl acrylate 40-50, sodium bicarbonate 0.16-0.2, the ethanol 100-110 of two (the silica-based propyl group of γ-triethoxy) tetrasulfide 20-30,70-75%, 30% hydrogen peroxidase 10 .2-0.3, deionized water 110-120, hydrofluotitanic acid 4-6.
2. a preparation method for sliding mechanical parts surface treatment agent as claimed in claim 1, is characterized in that comprising the following steps:
(1) get the 80-86% of 40-50%, sp-80 weight of above-mentioned Potassium Persulphate weight, mix with sodium bicarbonate, add deionized water weight 50-60%, stir, obtain initiator emulsion;
(2) methyl-silicone oil is heated to 70-80 DEG C, adds vinyl bis-stearamides, insulated and stirred 4-10 minute, add tetramethyl-pentanedioic acid, be stirred to normal temperature, obtain vinyl lubricating oil;
(3) get the 6-10% of the 50-60% of residue deionized water weight, the ethanol weight of above-mentioned 70-75%, mixing, add remaining sp-80, add Sodium tetrafluoroborate, two Lauryl Alcohol ester after stirring, insulated and stirred 1-2 hour at 70-80 DEG C, obtains emulsification alcohol ester;
(4) 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, emulsification alcohol ester is added after dropwising, send in the water-bath of 50-60 DEG C, add two Imidurea, insulated and stirred 1-2 hour, obtains acrylate glue;
(5) remaining Potassium Persulphate is joined in remaining deionized water, stir, obtain initiator solution;
(6) get the ethanol of above-mentioned 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, adds chitosan, stirs, and obtains fluorinated silane;
(7) aniline is mixed with aforesaid propylene acid esters glue, stir, drip initiator solution, at 10-15 DEG C, 8-10 hour is reacted after dropwising, send in the water-bath of 65-70 DEG C, add fluorinated silane, insulated and stirred reaction 1-2 hour, discharging cools, and obtains silanization vinylformic acid-aniline copolymer emulsion;
(8) mixed with vinyl lubricating oil by above-mentioned silanization vinylformic acid-aniline copolymer emulsion, 500-600 rev/min is stirred 20-30 minute, adds each raw material of residue, and 800-1000 rev/min is stirred 40-50 minute, obtain described sliding mechanical parts surface treatment agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510411535.2A CN105086719A (en) | 2015-07-11 | 2015-07-11 | Surface treating agent for sliding mechanical parts and preparation method therefor |
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| CN201510411535.2A CN105086719A (en) | 2015-07-11 | 2015-07-11 | Surface treating agent for sliding mechanical parts and preparation method therefor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057560A (en) * | 2017-04-26 | 2017-08-18 | 芜湖亨益汽车运输有限公司 | A kind of bumper metal conditioner and preparation method thereof |
| CN107163766A (en) * | 2017-04-26 | 2017-09-15 | 芜湖亨益汽车运输有限公司 | A kind of automobile container metal conditioner and preparation method thereof |
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|---|---|---|---|---|
| CN101368055A (en) * | 2008-08-22 | 2009-02-18 | 傅晓平 | Silicone hydride and polyaniline hybridized polymer watersoluble metal heavy anticorrosion paint |
| CN103937366A (en) * | 2014-03-21 | 2014-07-23 | 安徽蓝柯复合材料有限公司 | Anti-fouling and dustproof automobile coating and preparation method thereof |
| CN104673042A (en) * | 2015-02-04 | 2015-06-03 | 苏州康华净化***工程有限公司 | Flame-retardant steel surface coating material and preparation method thereof |
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2015
- 2015-07-11 CN CN201510411535.2A patent/CN105086719A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368055A (en) * | 2008-08-22 | 2009-02-18 | 傅晓平 | Silicone hydride and polyaniline hybridized polymer watersoluble metal heavy anticorrosion paint |
| CN103937366A (en) * | 2014-03-21 | 2014-07-23 | 安徽蓝柯复合材料有限公司 | Anti-fouling and dustproof automobile coating and preparation method thereof |
| CN104673042A (en) * | 2015-02-04 | 2015-06-03 | 苏州康华净化***工程有限公司 | Flame-retardant steel surface coating material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李玉峰等: ""工艺条件对丙烯酸酯-苯胺共聚乳胶涂层防腐性能的影响"", 《涂料工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057560A (en) * | 2017-04-26 | 2017-08-18 | 芜湖亨益汽车运输有限公司 | A kind of bumper metal conditioner and preparation method thereof |
| CN107163766A (en) * | 2017-04-26 | 2017-09-15 | 芜湖亨益汽车运输有限公司 | A kind of automobile container metal conditioner and preparation method thereof |
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Application publication date: 20151125 |
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