CN108893024A - A kind of low-temperature fast-curing electrochemical aluminum paint - Google Patents
A kind of low-temperature fast-curing electrochemical aluminum paint Download PDFInfo
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- CN108893024A CN108893024A CN201810554393.9A CN201810554393A CN108893024A CN 108893024 A CN108893024 A CN 108893024A CN 201810554393 A CN201810554393 A CN 201810554393A CN 108893024 A CN108893024 A CN 108893024A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The present invention relates to technical field of coatings, in particular to a kind of electrochemical aluminum paint.The low-temperature fast-curing electrochemical aluminum paint of one kind designed by the present invention, it includes the component of following parts by weight：10-15 parts of self-crosslinking acrylic resin, 3-5 parts of amino resins, 30-50 parts of solvent, 0.3-1 parts of pigment；The self-crosslinking acrylic resin by following parts by weight Material synthesis：80-100 parts of methyl methacrylate, 26-46 parts of butyl acrylate, 20-35 parts of methacrylic acid, 5-15 parts of N hydroxymethyl acrylamide, 2-5 parts of dibenzoyl peroxide, 200-300 parts of solvent；The solvent is the mixed solvent of ketones solvent and alcohols solvent.Electrochemical aluminum paint of the invention can be realized low-temperature fast-curing film forming, while guarantee there is good temperature tolerance and solvent resistance.
Description
Technical field
The present invention relates to technical field of coatings, in particular to a kind of electrochemical aluminum paint.
Background technique
With China's economic development, living standards of the people are improved, to the exquisite journey of the product packagings such as cigarette, wine product, tealeaves
Degree has a higher requirement, and it is exquisite be packaged with the class for being conducive to improve product brand, so anodized aluminium is as a kind of new
Emerging package means, increasingly by the attention of packaging industry.Anodized aluminium, it is also known as gold stamping, mostly using polyester film as basement membrane,
It is coated with the material of the various coated coatings with different chemical property thereon, the gum for being coated with similar thermosol after aluminizing again applies
Material, then production process is completed using hot moulding and hot stamping technique.
In process of production, it in order to allow coating to reach quick-drying purpose, needs to be toasted at high temperature, baking temperature
Degree is at 180 DEG C or more.The hot setting film forming of coating requires height to process conditions, affected by environment big, and needs chargeable heat
Can, production cost is relatively high.A kind of electrochemical aluminum paint that can be realized low-temperature fast-curing film forming thus is needed, to substitute mesh
It is preceding that there are the hot setting film forming coatings of more problem.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind can be realized low-temperature fast-curing film forming,
Guarantee the electrochemical aluminum paint with good temperature tolerance and solvent resistance simultaneously.
In order to achieve the above object, a kind of low-temperature fast-curing electrochemical aluminum paint designed by the present invention, it includes such as
The component of lower parts by weight：
10-15 parts of self-crosslinking acrylic resin
3-5 parts of amino resins
30-50 parts of solvent
0.3-1 parts of pigment
The self-crosslinking acrylic resin by following parts by weight Material synthesis：80-100 parts of methyl methacrylate, acrylic acid
26-46 parts of butyl ester, 20-35 parts of methacrylic acid, 5-15 parts of N hydroxymethyl acrylamide, 2-5 parts of dibenzoyl peroxide, solvent
200-300 parts；The solvent is the mixed solvent of ketones solvent and alcohols solvent.
Preferably, the ketones solvent is one or both of butanone, acetone.
Preferably, the alcohols solvent is one or both of isopropanol and ethyl alcohol.
The self-crosslinking acrylic resin is prepared via a method which to obtain：It is passed through nitrogen 5min into reaction vessels, removes
Oxygen in dereaction device；Addition solvent, N hydroxymethyl acrylamide, part dibenzoyl peroxide and three points after ventilation
One of mix monomer, mix monomer be methyl methacrylate, butyl acrylate and methacrylic acid, start at 75 DEG C into
Row pre-reaction 30min；Reaction temperature is increased to start to drip when mixed system temperature in reaction vessels reaches 82 DEG C of set temperature
Adding remaining mix monomer and initiator dibenzoyl peroxide, control rate of addition drips off remaining mix monomer in 3.5h,
Add remaining initiator after the reaction was continued 1h, then carry out 82 DEG C of heat insulation experiments, soaking time 3h, after completion of the reaction it is cooling go out
Material.
Preferably, the amino resins is etherified melamine polyimide resin；
As further preferred, the amino resins is one in U.S.'s cyanogen spy 325, cyanogen spy 303, cyanogen spy 1156 and cyanogen spy 216
Kind is several.
Preferably, the solvent is one or more of isopropanol, ethyl alcohol, butanone, cyclohexanone and toluene.
The acrylic resin of self-crosslinking, the outstanding feature of the acrylic resin are used in electrochemical aluminum paint formula of the invention
In a resin, on the one hand this resin can provide good for paint film for the addition for being self-cross linking monomer and high acid value collective effect
Good adhesive property, mechanical property and solvent resistance；It on the other hand can be by the addition of Ammonia so that resin itself has
Water-soluble feature, this water-soluble resin degree of cross linking is higher, superior performance；Secondly, molten using ketone in terms of the selection of solvent
On the one hand the mixing of the mixed solvent of agent and alcohols solvent, both solvents makes resin have good dissolubility（Lower viscous
Under degree, the molecular weight of resin can be made to reach the requirement of needs）；On the other hand make resin that there is good water solubility, pass through
Neutralization can make resin become water-base resin；Last both solvents itself are low boiling point solvents, can be realized the low of resin
Warm quick-drying requirement.
There is also innovations in preparation method for the acrylic resin.The addition of N hydroxymethyl acrylamide is needed anti-first
It answers in vessel and monomer carries out heating pre-reaction；Secondly using the mixing list of whole N hydroxymethyl acrylamide and one third
Body pre-reaction, i.e. N hydroxymethyl acrylamide excessive response, excessive N hydroxymethyl acrylamide can be in addition mix monomers
When, it allows N hydroxymethyl acrylamide sufficiently to participate in reaction, improves resin savings rate, and then the crosslinking for improving self-crosslinking resin is close
Degree；Meanwhile using the mixed solvent having compared with strong solubility, guarantee the crosslink density of resin；If the dissolution energy of solvent itself
Power is weaker, and the viscosity of resin system can be increased sharply in synthetic reaction process, on the one hand may result in sudden and violent poly-, another party's face
The movement of molecule segment is rung, so that cross-linking reaction is more difficult to carry out, and then influences the crosslink density of resin.
The performance detection index of self-crosslinking acrylic resin of the present invention is as follows：
1, the viscosity 2000Mpa.S of synthetic resin
2,40 mg/KOH of resinous acid value
3, resin solid content 40%
4,120 DEG C of resin cure temperature；Time 30-50s
The performance detection index of electrochemical aluminum paint of the present invention is as follows：
1, trimming shape is good after allotment is aluminized, no remained on surface
2,110 DEG C of pressing experiment coatings are without shining coloured silk
3, the colourless aluminium segregation phenomenon of coating
4, coating is without obvious firkin phenomenon.
Specific embodiment
Embodiment 1
A kind of low-temperature fast-curing electrochemical aluminum paint, it includes the component of following parts by weight：
10 parts of self-crosslinking acrylic resin
Etherified melamine polyimide resin（U.S. cyanogen spy 325）5 parts
30 parts of isopropanol
1 part of pigment
The self-crosslinking acrylic resin by following parts by weight Material synthesis：80 parts of methyl methacrylate, butyl acrylate
46 parts, 20 parts of methacrylic acid, 15 parts of N hydroxymethyl acrylamide, 2 parts of dibenzoyl peroxide, 200 parts of solvent；The solvent
For the mixed solvent of butanone and isopropanol.
The self-crosslinking acrylic resin is prepared via a method which to obtain：It is passed through nitrogen 5min into reaction vessels, removes
Oxygen in dereaction device；Addition solvent, N hydroxymethyl acrylamide, part dibenzoyl peroxide and three points after ventilation
One of mix monomer, mix monomer be methyl methacrylate, butyl acrylate and methacrylic acid, start at 75 DEG C into
Row pre-reaction 30min；Reaction temperature is increased to start to drip when mixed system temperature in reaction vessels reaches 82 DEG C of set temperature
Adding remaining mix monomer and initiator dibenzoyl peroxide, control rate of addition drips off remaining mix monomer in 3.5h,
Add remaining initiator after the reaction was continued 1h, then carry out 82 DEG C of heat insulation experiments, soaking time 3h, after completion of the reaction it is cooling go out
Material.
Embodiment 2
A kind of low-temperature fast-curing electrochemical aluminum paint, it includes the component of following parts by weight：
15 parts of self-crosslinking acrylic resin
Etherified melamine polyimide resin（Cyanogen spy 303）3 parts
50 parts of ethyl alcohol
0.3 part of pigment
The self-crosslinking acrylic resin by following parts by weight Material synthesis：100 parts of methyl methacrylate, butyl acrylate
26 parts, 35 parts of methacrylic acid, 5 parts of N hydroxymethyl acrylamide, 5 parts of dibenzoyl peroxide, 300 parts of solvent；The solvent
For the mixed solvent of acetone and ethyl alcohol.
The self-crosslinking acrylic resin is prepared via a method which to obtain：It is passed through nitrogen 5min into reaction vessels, removes
Oxygen in dereaction device；Addition solvent, N hydroxymethyl acrylamide, part dibenzoyl peroxide and three points after ventilation
One of mix monomer, mix monomer be methyl methacrylate, butyl acrylate and methacrylic acid, start at 75 DEG C into
Row pre-reaction 30min；Reaction temperature is increased to start to drip when mixed system temperature in reaction vessels reaches 82 DEG C of set temperature
Adding remaining mix monomer and initiator dibenzoyl peroxide, control rate of addition drips off remaining mix monomer in 3.5h,
Add remaining initiator after the reaction was continued 1h, then carry out 82 DEG C of heat insulation experiments, soaking time 3h, after completion of the reaction it is cooling go out
Material.
Embodiment 3
A kind of low-temperature fast-curing electrochemical aluminum paint, it includes the component of following parts by weight：
12 parts of self-crosslinking acrylic resin
Etherified melamine polyimide resin（Cyanogen spy 1156）4 parts
40 parts of butanone
0.5 part of pigment
The self-crosslinking acrylic resin by following parts by weight Material synthesis：90 parts of methyl methacrylate, butyl acrylate
34 parts, 28 parts of methacrylic acid, 10 parts of N hydroxymethyl acrylamide, 3 parts of dibenzoyl peroxide, 250 parts of solvent；The solvent
For the mixed solvent of butanone and ethyl alcohol.
The self-crosslinking acrylic resin is prepared via a method which to obtain：It is passed through nitrogen 5min into reaction vessels, removes
Oxygen in dereaction device；Addition solvent, N hydroxymethyl acrylamide, part dibenzoyl peroxide and three points after ventilation
One of mix monomer, mix monomer be methyl methacrylate, butyl acrylate and methacrylic acid, start at 75 DEG C into
Row pre-reaction 30min；Reaction temperature is increased to start to drip when mixed system temperature in reaction vessels reaches 82 DEG C of set temperature
Adding remaining mix monomer and initiator dibenzoyl peroxide, control rate of addition drips off remaining mix monomer in 3.5h,
Add remaining initiator after the reaction was continued 1h, then carry out 82 DEG C of heat insulation experiments, soaking time 3h, after completion of the reaction it is cooling go out
Material.
Embodiment 4
A kind of low-temperature fast-curing electrochemical aluminum paint, it includes the component of following parts by weight：
13 parts of self-crosslinking acrylic resin
Etherified melamine polyimide resin（Cyanogen spy 325 and cyanogen spy 216）3.5 part
38 parts of toluene
0.6 part of pigment
The self-crosslinking acrylic resin by following parts by weight Material synthesis：95 parts of methyl methacrylate, butyl acrylate
40 parts, 30 parts of methacrylic acid, 9 parts of N hydroxymethyl acrylamide, 4 parts of dibenzoyl peroxide, 265 parts of solvent；The solvent
For the mixed solvent of butanone, acetone, isopropanol and ethyl alcohol.
The self-crosslinking acrylic resin is prepared via a method which to obtain：It is passed through nitrogen 5min into reaction vessels, removes
Oxygen in dereaction device；Addition solvent, N hydroxymethyl acrylamide, part dibenzoyl peroxide and three points after ventilation
One of mix monomer, mix monomer be methyl methacrylate, butyl acrylate and methacrylic acid, start at 75 DEG C into
Row pre-reaction 30min；Reaction temperature is increased to start to drip when mixed system temperature in reaction vessels reaches 82 DEG C of set temperature
Adding remaining mix monomer and initiator dibenzoyl peroxide, control rate of addition drips off remaining mix monomer in 3.5h,
Add remaining initiator after the reaction was continued 1h and then carry out 82 DEG C of heat insulation experiments, soaking time 3h, after completion of the reaction it is cooling go out
Material.
Claims (7)
1. a kind of low-temperature fast-curing electrochemical aluminum paint, it is characterised in that：It includes the component of following parts by weight：
10-15 parts of self-crosslinking acrylic resin
3-5 parts of amino resins
30-50 parts of solvent
0.3-1 parts of pigment
The self-crosslinking acrylic resin by following parts by weight Material synthesis：80-100 parts of methyl methacrylate, acrylic acid
26-46 parts of butyl ester, 20-35 parts of methacrylic acid, 5-15 parts of N hydroxymethyl acrylamide, 2-5 parts of dibenzoyl peroxide, solvent
200-300 parts, the solvent is the mixed solvent of ketones solvent and alcohols solvent.
2. the low-temperature fast-curing electrochemical aluminum paint of one kind according to claim 1, it is characterised in that：The self-crosslinking third
Olefin(e) acid resin is prepared via a method which to obtain：It is passed through nitrogen 5min into reaction vessels, removes the oxygen in reactor；Ventilation
After the mix monomer of solvent, N hydroxymethyl acrylamide, part dibenzoyl peroxide and one third is added, mixing is single
Body is methyl methacrylate, butyl acrylate and methacrylic acid, starts to carry out pre-reaction 30min at 75 DEG C；It increases anti-
Temperature is answered, when mixed system temperature in reaction vessels reaches 82 DEG C of set temperature, starts that remaining mix monomer is added dropwise and draws
Agent dibenzoyl peroxide is sent out, control rate of addition drips off remaining mix monomer in 3.5h, adds residue after the reaction was continued 1h
Initiator, then carry out 82 DEG C of heat insulation experiments, soaking time 3h, after completion of the reaction cooling discharging.
3. the low-temperature fast-curing electrochemical aluminum paint of one kind according to claim 1 or 2, it is characterised in that：The ketone
Solvent is one or both of butanone, acetone.
4. the low-temperature fast-curing electrochemical aluminum paint of one kind according to claim 1 or 2, it is characterised in that：The alcohols
Solvent is one or both of isopropanol and ethyl alcohol.
5. the low-temperature fast-curing electrochemical aluminum paint of one kind according to claim 1 or 2, it is characterised in that：The amino
Resin is etherified melamine polyimide resin.
6. the low-temperature fast-curing electrochemical aluminum paint of one kind according to claim 5, it is characterised in that：The amino resins
For U.S. cyanogen spy 325, cyanogen spy 303, cyanogen special one or more of 1156 and cyanogen spy 216.
7. the low-temperature fast-curing electrochemical aluminum paint of one kind according to claim 1 or 2, it is characterised in that：The solvent
For one or more of isopropanol, ethyl alcohol, butanone, cyclohexanone and toluene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554393.9A CN108893024A (en) | 2018-06-01 | 2018-06-01 | A kind of low-temperature fast-curing electrochemical aluminum paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554393.9A CN108893024A (en) | 2018-06-01 | 2018-06-01 | A kind of low-temperature fast-curing electrochemical aluminum paint |
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| Publication Number | Publication Date |
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| CN108893024A true CN108893024A (en) | 2018-11-27 |
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| CN201810554393.9A Pending CN108893024A (en) | 2018-06-01 | 2018-06-01 | A kind of low-temperature fast-curing electrochemical aluminum paint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114605878A (en) * | 2022-03-29 | 2022-06-10 | 佛山市顺德区固得丽涂料有限公司 | Low-temperature curing baking type coating and preparation process thereof |
| CN115820065A (en) * | 2022-11-17 | 2023-03-21 | 广东邦固化学科技有限公司 | High-brightness wear-resistant alumite coating and preparation method and application thereof |
| CN115895365A (en) * | 2022-12-28 | 2023-04-04 | 惠阳钰城泰化工有限公司 | Single-component low-temperature environment-friendly coating for coating carbon fiber composite material and preparation method thereof |
| CN116656199A (en) * | 2023-05-24 | 2023-08-29 | 广东邦固化学科技有限公司 | Low-temperature fast-curing common electrochemical aluminum color layer coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107418351A (en) * | 2017-08-02 | 2017-12-01 | 浙江枧洋高分子科技有限公司 | A kind of one-component water solubility release-free electrochemical aluminum paint and preparation method thereof |
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2018
- 2018-06-01 CN CN201810554393.9A patent/CN108893024A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107418351A (en) * | 2017-08-02 | 2017-12-01 | 浙江枧洋高分子科技有限公司 | A kind of one-component water solubility release-free electrochemical aluminum paint and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 舒友等: "《涂料配方设计与制备》", 31 August 2014, 西南交通大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114605878A (en) * | 2022-03-29 | 2022-06-10 | 佛山市顺德区固得丽涂料有限公司 | Low-temperature curing baking type coating and preparation process thereof |
| CN115820065A (en) * | 2022-11-17 | 2023-03-21 | 广东邦固化学科技有限公司 | High-brightness wear-resistant alumite coating and preparation method and application thereof |
| CN115820065B (en) * | 2022-11-17 | 2023-08-29 | 广东邦固化学科技有限公司 | High-brightness wear-resistant electrochemical aluminum coating and preparation method and application thereof |
| CN115895365A (en) * | 2022-12-28 | 2023-04-04 | 惠阳钰城泰化工有限公司 | Single-component low-temperature environment-friendly coating for coating carbon fiber composite material and preparation method thereof |
| CN115895365B (en) * | 2022-12-28 | 2023-11-07 | 惠阳钰城泰化工有限公司 | Single-component low-temperature environment-friendly paint for carbon fiber composite material coating and preparation method thereof |
| CN116656199A (en) * | 2023-05-24 | 2023-08-29 | 广东邦固化学科技有限公司 | Low-temperature fast-curing common electrochemical aluminum color layer coating and preparation method thereof |
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Application publication date: 20181127 |