CN109294316A - A kind of epoxide powder coating adhesion promoter - Google Patents
A kind of epoxide powder coating adhesion promoter Download PDFInfo
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- CN109294316A CN109294316A CN201810981185.7A CN201810981185A CN109294316A CN 109294316 A CN109294316 A CN 109294316A CN 201810981185 A CN201810981185 A CN 201810981185A CN 109294316 A CN109294316 A CN 109294316A
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- silicon oil
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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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- 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
- C09D7/65—Additives macromolecular
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Abstract
The present invention relates to adhesion promoters, a kind of epoxide powder coating adhesion promoter is specifically disclosed, raw material includes modified amino silicon oil, and the modified amino silicon oil is prepared according to following technique: aluminium titanates and cerium oxide being taken to mix, ball milling, hydroxyethyl cellulose aqueous solution is added, is mixed, amido silicon oil is added, mechanic whirl-nett reaction, it filters, drying obtains modified amino silicon oil.The present invention can be obviously improved the adhesive force of paint film and metal.
Description
Technical field
The present invention relates to adhesion promoters, and in particular to a kind of epoxide powder coating adhesion promoter.
Background technique
Currently, for improve paint adhesion adhesion promoter type it is very much, be basically divided by type resinae,
Coupling agent class, surfactant-based, the adhesion promoter kind that can be used in powdery paints in them is seldom.Currently on the market
Adhesion promoter for paint it is general for the adhesive force facilitation effect of epoxide powder coating, be unsuitable for epoxide powder coating,
Based on these problems, a kind of Efficient adhesion promoter of adhesive force for being greatly improved epoxy powder is provided, is had important
Realistic meaning.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of epoxide powder coating adhesive force to promote
Agent.The present invention can be obviously improved the adhesive force of paint film and metal.
A kind of epoxide powder coating adhesion promoter proposed by the present invention, raw material includes modified amino silicon oil, institute
It states modified amino silicon oil to be prepared according to following technique: aluminium titanates and cerium oxide being taken to mix, hydroxyethyl cellulose is added in ball milling
Aqueous solution is mixed, and amido silicon oil is added, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil.
Preferably, the modified amino silicon oil is prepared according to following technique: taking the aluminium titanates and 0.4- of 1 parts by weight
The cerium oxide of 1.1 parts by weight mixes, the ball milling 1.5-2.5h at 80-120r/min, and the hydroxy ethyl fiber of 30-50 parts by weight is added
1-2h is mixed in plain aqueous solution, and the amido silicon oil of 4-6 parts by weight, the mechanic whirl-nett reaction at 1000-1500r/min is added
2-4h is filtered, and drying obtains modified amino silicon oil.
Preferably, the mass fraction of the hydroxyethyl cellulose aqueous solution is 20-45wt%.
Preferably, the aluminium titanates is prepared according to following technique: aluminium hydroxide and titanium dioxide are put into corundum ball
In grinding jar, suspending agent is added, ball milling 10-15h crosses 400-500 mesh, and it is dry, it is placed at 1000-1300 DEG C and keeps the temperature 5-7h, from
It is so cooling, obtain aluminium titanates.
Preferably, the aluminium hydroxide, titanium dioxide molar ratio be 1:2-4.
Preferably, the suspending agent is xanthan gum, corn oil or rapeseed oil.
Preferably, the material when ball milling, ball, water mass ratio be 1:2:1.
Preferably, the temperature of the heat preservation is 1200 DEG C, time 6h.
The present invention can be prepared conventionally.
Modified amino silicon oil is added in the present invention in promotor, and in the preparation process of modified amino silicon oil, first to titanium
The ball-milled mixtures of sour aluminium and cerium oxide carry out hydroxyethyl cellulose pre-treatment, since hydroxyethyl cellulose has bonding, dispersion
Etc. characteristics, mixture particle surface can be adsorbed onto, and there are hydrophilic multiple hydroxyls outwardly, formed and had in particle surface
There is the reticular structure of steric effect, is subsequently added into amido silicon oil, epoxy group and amido silicon oil in one side hydroxyethyl cellulose
On amino carry out ring-opening reaction, and then mixture particle and amido silicon oil graft compound, another aspect reticular structure
On hydroxyl can form hydrogen bond action with metallic substrate surface, the adhesive strength of paint film and metal is improved, in addition, solid in paint film
During change, siloxy in amido silicon oil can form paint film-Si-O- metal covalent bond structure with metal surface, formed compared with
High Van der Waals force cooperates with hydrogen bond action, the adhesive force of paint film and metal can be obviously improved, in addition, aluminium titanates and oxidation
Cerium mating reaction has lower thermal expansion coefficient, and then can reduce paint film in the curing process due to being expanded with heat and contract with cold
The internal stress of effect and generation, further increases the adhesive force of paint film and metal.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of epoxide powder coating adhesion promoter, raw material include modified amino silicon oil, the modified amido silicon
Oil is prepared according to following technique: taking aluminium titanates and cerium oxide to mix, hydroxyethyl cellulose aqueous solution, mixing is added in ball milling
Amido silicon oil is added in stirring, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil.
Embodiment 2
A kind of epoxide powder coating adhesion promoter, raw material include modified amino silicon oil, the modified amido silicon
Oil is prepared according to following technique: taking aluminium titanates and cerium oxide to mix, hydroxyethyl cellulose aqueous solution, mixing is added in ball milling
Amido silicon oil is added in stirring, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil；
Wherein, the modified amino silicon oil is prepared according to following technique: taking the aluminium titanates and 0.7 weight of 1 parts by weight
The cerium oxide mixing of part, the ball milling 2h at 90r/min are added the hydroxyethyl cellulose aqueous solution of 35 parts by weight, are mixed
The amido silicon oil of 4.5 parts by weight is added in 1.5h, and the mechanic whirl-nett reaction 2.5h at 1200r/min is filtered, and drying is modified
Amido silicon oil.
Embodiment 3
A kind of epoxide powder coating adhesion promoter, raw material include modified amino silicon oil, the modified amido silicon
Oil is prepared according to following technique: taking aluminium titanates and cerium oxide to mix, hydroxyethyl cellulose aqueous solution, mixing is added in ball milling
Amido silicon oil is added in stirring, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil；
Wherein, the modified amino silicon oil is prepared according to following technique: taking the aluminium titanates and 0.9 weight of 1 parts by weight
The cerium oxide mixing of part, the ball milling 2h at 100r/min are added the hydroxyethyl cellulose aqueous solution of 40 parts by weight, are mixed
The amido silicon oil of 5 parts by weight is added in 1.5h, and the mechanic whirl-nett reaction 3h at 1400r/min is filtered, and drying obtains modified amido
Silicone oil；
The mass fraction of the hydroxyethyl cellulose aqueous solution is 30wt%；
The aluminium titanates is prepared according to following technique: aluminium hydroxide and titanium dioxide is put into corundum ball grinder,
Suspending agent is added, ball milling 12h crosses 450 meshes, and it is dry, it is placed at 1200 DEG C and keeps the temperature 6h, natural cooling obtains aluminium titanates；
The aluminium hydroxide, titanium dioxide molar ratio be 1:3；
The suspending agent is xanthan gum；
The mass ratio of material, ball, water when the ball milling is 1:2:1.
Embodiment 4
A kind of epoxide powder coating adhesion promoter, raw material include modified amino silicon oil, the modified amido silicon
Oil is prepared according to following technique: taking aluminium titanates and cerium oxide to mix, hydroxyethyl cellulose aqueous solution, mixing is added in ball milling
Amido silicon oil is added in stirring, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil；
Wherein, the modified amino silicon oil is prepared according to following technique: taking the aluminium titanates and 0.4 weight of 1 parts by weight
The cerium oxide mixing of part, the ball milling 1.5h at 120r/min are added the hydroxyethyl cellulose aqueous solution of 50 parts by weight, are mixed
The amido silicon oil of 6 parts by weight is added in 1h, and the mechanic whirl-nett reaction 4h at 1000r/min is filtered, and drying obtains modified amido silicon
Oil；
The mass fraction of the hydroxyethyl cellulose aqueous solution is 20wt%；
The aluminium titanates is prepared according to following technique: aluminium hydroxide and titanium dioxide is put into corundum ball grinder,
Suspending agent is added, ball milling 15h crosses 400 meshes, and it is dry, it is placed at 1300 DEG C and keeps the temperature 5h, natural cooling obtains aluminium titanates；
The aluminium hydroxide, titanium dioxide molar ratio be 1:4；
The suspending agent is corn oil；
The mass ratio of material, ball, water when the ball milling is 1:2:1.
Embodiment 5
A kind of epoxide powder coating adhesion promoter, raw material include modified amino silicon oil, the modified amido silicon
Oil is prepared according to following technique: taking aluminium titanates and cerium oxide to mix, hydroxyethyl cellulose aqueous solution, mixing is added in ball milling
Amido silicon oil is added in stirring, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil；
Wherein, the modified amino silicon oil is prepared according to following technique: taking the aluminium titanates and 1.1 weight of 1 parts by weight
The cerium oxide mixing of part, the ball milling 2.5h at 80r/min are added the hydroxyethyl cellulose aqueous solution of 30 parts by weight, are mixed
The amido silicon oil of 4 parts by weight is added in 2h, and the mechanic whirl-nett reaction 2h at 1500r/min is filtered, and drying obtains modified amido silicon
Oil；
The mass fraction of the hydroxyethyl cellulose aqueous solution is 45wt%；
The aluminium titanates is prepared according to following technique: aluminium hydroxide and titanium dioxide is put into corundum ball grinder,
Suspending agent is added, ball milling 10h crosses 500 meshes, and it is dry, it is placed at 1000 DEG C and keeps the temperature 7h, natural cooling obtains aluminium titanates；
The aluminium hydroxide, titanium dioxide molar ratio be 1:2；
The suspending agent is rapeseed oil；
The mass ratio of material, ball, water when the ball milling is 1:2:1.
Comparative example 1
A kind of epoxide powder coating adhesion promoter, raw material include modified amino silicon oil, the modified amido silicon
Oil is prepared according to following technique: taking aluminium titanates and cerium oxide to mix, hydroxyethyl cellulose aqueous solution, mixing is added in ball milling
Amido silicon oil is added in stirring, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil；
Wherein, the modified amino silicon oil is prepared according to following technique: taking the aluminium titanates of 1 parts by weight in 80r/min
The hydroxyethyl cellulose aqueous solution of 30 parts by weight is added in lower ball milling 2.5h, and 2h is mixed, and the amido silicon oil of 4 parts by weight is added,
The mechanic whirl-nett reaction 2h at 1500r/min is filtered, and drying obtains modified amino silicon oil；
The mass fraction of the hydroxyethyl cellulose aqueous solution is 45wt%；
The aluminium titanates is prepared according to following technique: aluminium hydroxide and titanium dioxide is put into corundum ball grinder,
Suspending agent is added, ball milling 10h crosses 500 meshes, and it is dry, it is placed at 1000 DEG C and keeps the temperature 7h, natural cooling obtains aluminium titanates；
The aluminium hydroxide, titanium dioxide molar ratio be 1:2；
The suspending agent is rapeseed oil；
The mass ratio of material, ball, water when the ball milling is 1:2:1.
Comparative example 2
A kind of epoxide powder coating adhesion promoter, raw material include modified amino silicon oil, the modified amido silicon
Oil is prepared according to following technique: taking aluminium titanates and cerium oxide to mix, hydroxyethyl cellulose aqueous solution, mixing is added in ball milling
Amido silicon oil is added in stirring, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil；
Wherein, the modified amino silicon oil is prepared according to following technique: taking the cerium oxide of 1.1 parts by weight in 80r/
The hydroxyethyl cellulose aqueous solution of 30 parts by weight is added in ball milling 2.5h under min, and 2h is mixed, and the amino silicone of 4 parts by weight is added
Oil, the mechanic whirl-nett reaction 2h at 1500r/min are filtered, and drying obtains modified amino silicon oil；
The mass fraction of the hydroxyethyl cellulose aqueous solution is 45wt%.
Test example 1
Adhesion promoter to the obtained adhesion promoter of embodiment 1-5 and comparative example 1-2 and on the market respectively
Adhesion performance detection is carried out, test group 1-5 and control group 1-3 are successively denoted as.
Detection method is as follows: adhesion promoter being uniformly mixed with commercially available epoxide powder coating, using sky
Gas blowout applies, and carries out making sheet according to the requirement of GB/T 1727-1992 " paint film general preparation method ", control paint film thickness of dry film is
The template sprayed is placed under standard environment after solidifying 7d and pulls open method progress performance detection using coating, applies by (60 ± 5) um
Layer pulls open method and carries out according to the regulation in GB/T 5210-2006 " paint and varnish pulls open method adhesion test ".
Testing result is as follows:
| Project | Adhesive force/MPa |
| Test group 1 | 12.75 |
| Test group 2 | 12.65 |
| Test group 3 | 12.34 |
| Test group 4 | 12.27 |
| Test group 5 | 12.58 |
| Control group 1 | 8.36 |
| Control group 2 | 9.52 |
| Control group 3 | 4.56 |
As can be seen from the above table, the present invention is much better than the prior art for improving adhesive force, and by aluminium titanates and cerium oxide
After blending and modifying, there is synergistic effect, can effectively promote the adhesive force of paint film and metal.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of epoxide powder coating adhesion promoter, which is characterized in that its raw material includes modified amino silicon oil, described to change
Property amido silicon oil prepared according to following technique: take aluminium titanates and cerium oxide to mix, it is water-soluble that hydroxyethyl cellulose is added in ball milling
Liquid is mixed, and amido silicon oil is added, and mechanic whirl-nett reaction filters, and drying obtains modified amino silicon oil.
2. epoxide powder coating adhesion promoter according to claim 1, which is characterized in that the modified amino silicon oil
It is prepared according to following technique: the aluminium titanates of 1 parts by weight and the cerium oxide mixing of 0.4-1.1 parts by weight is taken, in 80-120r/
The hydroxyethyl cellulose aqueous solution of 30-50 parts by weight is added in ball milling 1.5-2.5h under min, and 1-2h is mixed, and 4-6 weight is added
The amido silicon oil of part is measured, the mechanic whirl-nett reaction 2-4h at 1000-1500r/min is filtered, and drying obtains modified amino silicon oil.
3. epoxide powder coating adhesion promoter according to claim 1 or claim 2, which is characterized in that the ethoxy is fine
The mass fraction for tieing up plain aqueous solution is 20-45wt%.
4. epoxide powder coating adhesion promoter according to claim 1 or claim 2, which is characterized in that the aluminium titanates is pressed
It is prepared according to following technique: aluminium hydroxide and titanium dioxide is put into corundum ball grinder, suspending agent, ball milling 10- is added
15h crosses 400-500 mesh, dry, is placed at 1000-1300 DEG C and keeps the temperature 5-7h, natural cooling obtains aluminium titanates.
5. epoxide powder coating adhesion promoter according to claim 4, which is characterized in that the aluminium hydroxide, two
The molar ratio of titanium oxide is 1:2-4.
6. epoxide powder coating adhesion promoter according to claim 4, which is characterized in that the suspending agent is xanthan
Glue, corn oil or rapeseed oil.
7. epoxide powder coating adhesion promoter according to claim 4, which is characterized in that the material when ball milling,
Ball, water mass ratio be 1:2:1.
8. epoxide powder coating adhesion promoter according to claim 4, which is characterized in that the temperature of the heat preservation is
1200 DEG C, time 6h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981185.7A CN109294316A (en) | 2018-08-27 | 2018-08-27 | A kind of epoxide powder coating adhesion promoter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810981185.7A CN109294316A (en) | 2018-08-27 | 2018-08-27 | A kind of epoxide powder coating adhesion promoter |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219258A (en) * | 2015-10-16 | 2016-01-06 | 李文超 | A kind of high temperature resistant anti-oxidation High Radiant Rate Coating and using method thereof |
| CN107502132A (en) * | 2017-07-11 | 2017-12-22 | 长木（宁波）新材料科技有限公司 | A kind of double-component aqueous corrosion-resistant epoxy paint |
-
2018
- 2018-08-27 CN CN201810981185.7A patent/CN109294316A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219258A (en) * | 2015-10-16 | 2016-01-06 | 李文超 | A kind of high temperature resistant anti-oxidation High Radiant Rate Coating and using method thereof |
| CN107502132A (en) * | 2017-07-11 | 2017-12-22 | 长木（宁波）新材料科技有限公司 | A kind of double-component aqueous corrosion-resistant epoxy paint |
Non-Patent Citations (3)
| Title |
|---|
| 朱洪法等: "《无机化工产品手册》", 31 December 2008, 金盾出版社 * |
| 汪多仁: "《现代日用化工产品》", 31 March 2000, 冶金工业出版社 * |
| 苏桂明等: "《新型汽车面漆用疏水涂料》", 《现代涂料与涂装》 * |
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