CN107286806A - A kind of preparation method of silanization antifriction epoxy coating - Google Patents
A kind of preparation method of silanization antifriction epoxy coating Download PDFInfo
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- CN107286806A CN107286806A CN201710608791.XA CN201710608791A CN107286806A CN 107286806 A CN107286806 A CN 107286806A CN 201710608791 A CN201710608791 A CN 201710608791A CN 107286806 A CN107286806 A CN 107286806A
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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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Abstract
The invention discloses a kind of preparation method of silanization antifriction epoxy coating, the present invention is esterified by the mixing of oleic acid, trimethylolpropane, obtained esterified material has good greasy property, the frictional property of finished product coating can be effectively reduced, improve wearability, the silicon powder of addition effectively raises the toughness of finished product coating, impact strength, and compatibility of the silicon powder with epoxy resin after organic-treating is good, improves the stability_intensity of coating.
Description
Technical field
The invention belongs to paint field, and in particular to a kind of preparation method of silanization antifriction epoxy 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；
Application number 201510399966.1, discloses a kind of novel aqueous corrosion-resistant epoxy paint：The coating is by following weight
The component composition of part, 30-32 parts of epoxy resin, 32-34 parts of butanol, 0.8-1.0 parts of benzoyl peroxide, α-methacrylic acid 4-
6 parts, 1.3-1.5 parts of butyl acrylate, 1.4 parts of styrene, 72-78 parts of distilled water, 2-6 parts of ammoniacal liquor, 30-42 parts of deionized water,
12-14 parts of titanium dioxide, 3-5 parts of talcum powder, 5-13 parts of calcium carbonate, 4-8 parts of propane diols, 0.3-0.5 parts of dispersant, defoamer
0.8-1.2 parts of 0.2-0.4 parts, 2.1-2.3 parts of bentonite and silicone oil, its be by titanium dioxide, talcum powder, calcium carbonate, propane diols,
Dispersant, bentonite, silicone oil, deionized water mixing, with aqueous epoxy-acrylic emulsion blending after stirring, are easily caused
The deposition of inorganic filler, have impact on the uniformity and stability of coating.
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 silanization antifriction epoxy coating
Preparation method.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of silanization antifriction epoxy coating, comprises the following steps：
(1) tert-butyl group of 1-2 parts by weight is taken to biphenol, and in the absolute ethyl alcohol for being added to 16-20 times of its weight, stirring is equal
It is even, the aluminum stearate of 2-3 parts by weight is added, insulated and stirred 10-20 minutes at 60-65 DEG C, the amino of 1.8-2 parts by weight is added
Nickel sulphonic acid, stirs to normal temperature, obtains amino dispersion liquid；
(2) silicon powder, the oleic acid mixing of 4-5 parts by weight, the insulated and stirred 20-30 at 40-50 DEG C of 10-13 parts by weight are taken
Minute, add 0.8-1 parts by weight TCC, be sent in reactor, be added to 3-4 times of compound weight go from
In sub- water, stir, obtain oil acidification silicon powder solution；
(3) ascorbic acid of 1-3 parts by weight is taken, in the tetrahydrofuran for being added to 4-6 times of its weight, is stirred, is added
The trimethylolpropane of 6-8 parts by weight, it is ultrasonic 3-5 minutes, obtain alkyl furan solution；
(4) oil acidification silicon powder solution is taken, the glyceryl tristearate mixing of 1-3 parts by weight is added to abovementioned alkyl furan
Mutter in solution, insulated and stirred 1-2 hours at 70-80 DEG C, discharging cooling obtains esterification dispersion liquid；
(5) the modified epoxy e44 of 110-130 parts by weight is taken, above-mentioned amino dispersion liquid is added to, stirs, plus
Enter the silane coupler kh550 of 1-2 parts by weight, insulated and stirred 30-40 minutes at 50-60 DEG C, obtain amino silane epoxy resin
Solution；
(6) above-mentioned amino silane epoxy resin solution is taken, is sent in reactor, nitrogen is passed through, rise temperature is 60-70
DEG C, above-mentioned esterification dispersion liquid, the castor oil acid of 0.7-1 parts by weight are added, insulated and stirred 2-3 hours, discharging is added to compound
It is ultrasonic 1-2 hours in the deionized water of 15-20 times of weight, produce the silanization antifriction epoxy coating.
What described modified epoxy e44 was made up of the raw material of following weight parts：
Epoxy resin e44100-120, polyvinyl butyral resin 1-3, lauric acid amide of ethanol 0.8-2, ethylene thiourea 2-
3rd, hexamethyl cyclotrisiloxane 0.1-0.4, ethyl acetate 10-13.
Described modified epoxy e44 preparation method comprises the following steps：
Ethylene thiourea is taken, in the deionized water for being added to 10-17 times of its weight, is stirred, with above-mentioned coconut oil diethyl
Alkylolamides is mixed, and insulated and stirred 3-5 minutes at 50-60 DEG C, obtains acid amides dispersion liquid；
Polyvinyl butyral resin, epoxy resin e44100-120 mixing are taken, is added in ethyl acetate, stirs, with
Above-mentioned acid amides dispersion liquid mixing, rise temperature is 70-80 DEG C, adds hexamethyl cyclotrisiloxane, ultrasonic 20-30 minutes, dehydration,
Ethyl acetate is distilled off, the modified epoxy e44 is produced.
Advantages of the present invention：
The present invention mixes oil acidification silicon powder with trimethylolpropane, with tetrahydrofuran solvent, and mixing is esterified, so
Mixed afterwards with amination epoxy resin, in the aqueous solution containing castor oil acid disperse, castor oil acid can with epoxy resin
Amino formation crosslinking, the epoxy coating stablized；
The present invention is esterified by the mixing of oleic acid, trimethylolpropane, and obtained esterified material has good greasy property,
The frictional property of finished product coating can be effectively reduced, wearability is improved, the silicon powder of addition effectively raises finished product coating
Toughness, impact strength, compatibility of the silicon powder with epoxy resin after organic-treating are good, improve the stability of coating
Intensity.
Embodiment
Embodiment 1
A kind of preparation method of silanization antifriction epoxy coating, comprises the following steps：
(1) take the tert-butyl group of 2 parts by weight to biphenol, in the absolute ethyl alcohol for being added to 20 times of its weight, stir, plus
Enter the aluminum stearate of 3 parts by weight, insulated and stirred 20 minutes at 65 DEG C add the nickel sulfamic acid of 2 parts by weight, stir to normal
Temperature, obtains amino dispersion liquid；
(2) silicon powder, the oleic acid mixing of 5 parts by weight of 13 parts by weight are taken, insulated and stirred 30 minutes at 50 DEG C add 1
The TCC of parts by weight, is sent in reactor, in the deionized water for being added to 4 times of compound weight, stirs,
Obtain oil acidification silicon powder solution；
(3) ascorbic acid of 1-3 parts by weight is taken, in the tetrahydrofuran for being added to 6 times of its weight, is stirred, 6-8 is added
The trimethylolpropane of parts by weight, ultrasound 5 minutes, obtains alkyl furan solution；
(4) oil acidification silicon powder solution is taken, the glyceryl tristearate mixing of 3 parts by weight is added to abovementioned alkyl furans
In solution, insulated and stirred 2 hours at 80 DEG C, discharging cooling obtains esterification dispersion liquid；
(5) the modified epoxy e44 of 130 parts by weight is taken, above-mentioned amino dispersion liquid is added to, stirs, 2 weights are added
The silane coupler kh550 of part is measured, insulated and stirred 40 minutes at 60 DEG C obtain amino silane epoxy resin solution；
(6) above-mentioned amino silane epoxy resin solution is taken, is sent in reactor, nitrogen is passed through, rise temperature is 70 DEG C,
Above-mentioned esterification dispersion liquid, the castor oil acid of 1 parts by weight are added, insulated and stirred 3 hours, discharging is added to 20 times of compound weight
Deionized water in, ultrasound 2 hours, produce the silanization antifriction epoxy coating.
A kind of preparation method of described silanization antifriction epoxy coating, described modified epoxy e44 is by following
The raw material composition of parts by weight：
Epoxy resin e44120, polyvinyl butyral resin 3, lauric acid amide of ethanol 2, ethylene thiourea 3, pregnancy basic ring three
Siloxanes 0.4, ethyl acetate 13.
A kind of preparation method of described silanization antifriction epoxy coating, described modified epoxy e44 preparation side
Method comprises the following steps：
Ethylene thiourea is taken, in the deionized water for being added to 17 times of its weight, is stirred, with above-mentioned coconut oil diethanol acyl
Amine is mixed, and insulated and stirred 5 minutes at 60 DEG C obtain acid amides dispersion liquid；
Polyvinyl butyral resin, epoxy resin e44120 mixing are taken, is added in ethyl acetate, stirs, it is and above-mentioned
Acid amides dispersion liquid is mixed, and rise temperature is 80 DEG C, adds hexamethyl cyclotrisiloxane, and second is distilled off in ultrasound 30 minutes, dehydration
Acetoacetic ester, produces the modified epoxy e44.
Embodiment 2
A kind of preparation method of silanization antifriction epoxy coating, comprises the following steps：
(1) take the tert-butyl group of 1 parts by weight to biphenol, in the absolute ethyl alcohol for being added to 16 times of its weight, stir, plus
Enter the aluminum stearate of 2 parts by weight, insulated and stirred 10 minutes at 60 DEG C add the nickel sulfamic acid of 1.8 parts by weight, stir to normal
Temperature, obtains amino dispersion liquid；
(2) silicon powder, the oleic acid mixing of 4 parts by weight of 10 parts by weight are taken, insulated and stirred 20 minutes at 40 DEG C are added
The TCC of 0.8 parts by weight, is sent in reactor, in the deionized water for being added to 3 times of compound weight, and stirring is equal
It is even, obtain oil acidification silicon powder solution；
(3) ascorbic acid of 1 parts by weight is taken, in the tetrahydrofuran for being added to 4 times of its weight, is stirred, 6 weight are added
The trimethylolpropane of part, ultrasound 3 minutes, obtains alkyl furan solution；
(4) oil acidification silicon powder solution is taken, the glyceryl tristearate mixing of 1 parts by weight is added to abovementioned alkyl furans
In solution, insulated and stirred 1 hour at 70 DEG C, discharging cooling obtains esterification dispersion liquid；
(5) the modified epoxy e44 of 110 parts by weight is taken, above-mentioned amino dispersion liquid is added to, stirs, 1 weight is added
The silane coupler kh550 of part is measured, insulated and stirred 30 minutes at 50 DEG C obtain amino silane epoxy resin solution；
(6) above-mentioned amino silane epoxy resin solution is taken, is sent in reactor, nitrogen is passed through, rise temperature is 60 DEG C,
Above-mentioned esterification dispersion liquid, the castor oil acid of 0.7 parts by weight are added, insulated and stirred 2 hours, discharging is added to compound weight 15
In deionized water again, ultrasound 1 hour produces the silanization antifriction epoxy coating.
A kind of preparation method of described silanization antifriction epoxy coating, described modified epoxy e44 is by following
The raw material composition of parts by weight：
Epoxy resin e44 100, polyvinyl butyral resin 1, lauric acid amide of ethanol 0.8, ethylene thiourea 2, hexamethyl
Cyclotrisiloxane 0.1, ethyl acetate 10.
A kind of preparation method of described silanization antifriction epoxy coating, described modified epoxy e44 preparation side
Method comprises the following steps：
Ethylene thiourea is taken, in the deionized water for being added to 10 times of its weight, is stirred, with above-mentioned coconut oil diethanol acyl
Amine is mixed, and insulated and stirred 3 minutes at 50 DEG C obtain acid amides dispersion liquid；
Polyvinyl butyral resin, epoxy resin e44100 mixing are taken, is added in ethyl acetate, stirs, it is and above-mentioned
Acid amides dispersion liquid is mixed, and rise temperature is 70 DEG C, adds hexamethyl cyclotrisiloxane, and second is distilled off in ultrasound 20 minutes, dehydration
Acetoacetic ester, produces the modified epoxy e44.
Performance test：
Adhesion strength (the N/mm of coating of the present invention2)：8-8.4；
Transformer oil resistant (1000h/105 DEG C)：Paint film is without damage；
Impact strength 47-53kg.cm；
Pencil hardness：4H；
Tensile strength/PMa：106-110；
The performance test of traditional aqueous epoxide resin paint：
Adhesion strength (N/mm2) it is that 7.5, impact strength is that 40kg.cm, pencil hardness are that 3H, tensile strength/PMa are
95；
As can be seen that the coating of the present invention has more preferable adhesion strength, form film has higher shock resistance strong
Degree, pencil hardness, stretch intensity.
Claims (3)
1. a kind of preparation method of silanization antifriction epoxy coating, it is characterised in that comprise the following steps：
(1) take the tert-butyl group of 1-2 parts by weight to biphenol, in the absolute ethyl alcohol for being added to 16-20 times of its weight, stir,
The aluminum stearate of 2-3 parts by weight is added, insulated and stirred 10-20 minutes at 60-65 DEG C, the amino sulphur of 1.8-2 parts by weight is added
Sour nickel, stirs to normal temperature, obtains amino dispersion liquid；
(2) silicon powder, the oleic acid mixing of 4-5 parts by weight of 10-13 parts by weight are taken, insulated and stirred 20-30 points at 40-50 DEG C
Clock, adds the TCC of 0.8-1 parts by weight, is sent in reactor, is added to the deionization of 3-4 times of compound weight
In water, stir, obtain oil acidification silicon powder solution；
(3) ascorbic acid of 1-3 parts by weight is taken, in the tetrahydrofuran for being added to 4-6 times of its weight, is stirred, 6-8 weights are added
The trimethylolpropane of part is measured, it is ultrasonic 3-5 minutes, obtain alkyl furan solution；
(4) oil acidification silicon powder solution is taken, the glyceryl tristearate mixing of 1-3 parts by weight is added to abovementioned alkyl furans molten
In liquid, insulated and stirred 1-2 hours at 70-80 DEG C, discharging cooling obtains esterification dispersion liquid；
(5) the modified epoxy e44 of 110-130 parts by weight is taken, above-mentioned amino dispersion liquid is added to, stirs, 1-2 is added
The silane coupler kh550 of parts by weight, insulated and stirred 30-40 minutes at 50-60 DEG C, obtains amino silane epoxy resin solution；
(6) above-mentioned amino silane epoxy resin solution is taken, is sent in reactor, nitrogen is passed through, rise temperature is 60-70 DEG C,
Above-mentioned esterification dispersion liquid, the castor oil acid of 0.7-1 parts by weight are added, insulated and stirred 2-3 hours, discharging is added to compound weight
It is ultrasonic 1-2 hours in the deionized water of 15-20 times of amount, produce the silanization antifriction epoxy coating.
2. the preparation method of a kind of silanization antifriction epoxy coating according to claim 1, it is characterised in that described changes
Property epoxy resin e44 is made up of the raw material of following weight parts：
Epoxy resin e44 100-120, polyvinyl butyral resin 1-3, lauric acid amide of ethanol 0.8-2, ethylene thiourea 2-3,
Hexamethyl cyclotrisiloxane 0.1-0.4, ethyl acetate 10-13.
3. the preparation method of a kind of silanization antifriction epoxy coating according to claim 1,2, it is characterised in that described
Modified epoxy e44 preparation method comprises the following steps：
Ethylene thiourea is taken, in the deionized water for being added to 10-17 times of its weight, is stirred, with above-mentioned coconut oil diethanol acyl
Amine is mixed, and insulated and stirred 3-5 minutes at 50-60 DEG C, obtains acid amides dispersion liquid；
Polyvinyl butyral resin, epoxy resin e44 100-120 mixing are taken, is added in ethyl acetate, stirs, it is and above-mentioned
Acid amides dispersion liquid is mixed, and rise temperature is 70-80 DEG C, adds hexamethyl cyclotrisiloxane, ultrasonic 20-30 minutes, is dehydrated, distillation
Ethyl acetate is removed, the modified epoxy e44 is produced.
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| CN201710608791.XA CN107286806A (en) | 2017-07-24 | 2017-07-24 | A kind of preparation method of silanization antifriction epoxy coating |
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| CN201710608791.XA CN107286806A (en) | 2017-07-24 | 2017-07-24 | A kind of preparation method of silanization antifriction epoxy coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113831862A (en) * | 2021-10-15 | 2021-12-24 | 安徽富煌门窗幕墙有限公司 | Door and window sealing water-blocking material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643707A (en) * | 2012-04-06 | 2012-08-22 | 北京东泽达科技有限公司 | Liquid lubricating antifriction repairing agent for wheel/rail, preparing method and application |
-
2017
- 2017-07-24 CN CN201710608791.XA patent/CN107286806A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643707A (en) * | 2012-04-06 | 2012-08-22 | 北京东泽达科技有限公司 | Liquid lubricating antifriction repairing agent for wheel/rail, preparing method and application |
Non-Patent Citations (1)
| Title |
|---|
| 刘云: "《日用化学品原材料技术手册》", 31 October 2003, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113831862A (en) * | 2021-10-15 | 2021-12-24 | 安徽富煌门窗幕墙有限公司 | Door and window sealing water-blocking material |
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Application publication date: 20171024 |