CN110079174A - Electrophoretic coating and its processing technology based on acrylic resin - Google Patents
Electrophoretic coating and its processing technology based on acrylic resin Download PDFInfo
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- CN110079174A CN110079174A CN201910447508.9A CN201910447508A CN110079174A CN 110079174 A CN110079174 A CN 110079174A CN 201910447508 A CN201910447508 A CN 201910447508A CN 110079174 A CN110079174 A CN 110079174A
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- 238000000576 coating method Methods 0.000 title claims abstract description 56
- 239000011248 coating agent Substances 0.000 title claims abstract description 52
- 239000004925 Acrylic resin Substances 0.000 title claims abstract description 36
- 229920000178 Acrylic resin Polymers 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 16
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims abstract description 14
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 11
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 11
- 229920003180 amino resin Polymers 0.000 claims abstract description 10
- 229910000464 lead oxide Inorganic materials 0.000 claims abstract description 10
- 229920001610 polycaprolactone Polymers 0.000 claims abstract description 10
- 239000004632 polycaprolactone Substances 0.000 claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 5
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 4
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 36
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 9
- 229920001568 phenolic resin Polymers 0.000 claims description 9
- 239000005011 phenolic resin Substances 0.000 claims description 9
- 239000012948 isocyanate Substances 0.000 claims description 8
- 150000002513 isocyanates Chemical class 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- XHFVDZNDZCNTLT-UHFFFAOYSA-H chromium(3+);tricarbonate Chemical class [Cr+3].[Cr+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O XHFVDZNDZCNTLT-UHFFFAOYSA-H 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 150000002170 ethers Chemical class 0.000 claims description 2
- 229960002317 succinimide Drugs 0.000 claims description 2
- 239000003513 alkali Substances 0.000 abstract description 7
- 230000001458 anti-acid effect Effects 0.000 abstract description 5
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000001962 electrophoresis Methods 0.000 description 5
- 150000002334 glycols Chemical class 0.000 description 5
- 239000003973 paint Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000007516 brønsted-lowry acids Chemical class 0.000 description 2
- 150000007528 brønsted-lowry bases Chemical class 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000008601 oleoresin Substances 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 235000005128 Sapium sebiferum Nutrition 0.000 description 1
- 244000057114 Sapium sebiferum Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4473—Mixture of polymers
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/448—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications characterised by the additives used
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to coating processing technique field, electrophoretic coating and its processing technology based on acrylic resin are disclosed, includes following component: 35-50 parts of acrylic resin；10-15 parts of amino resins；5-8 parts of ethyl cellulose；3-5 parts of dibutyl phthalate；2-4 parts of polycaprolactone glycol；1-2 parts of lead oxide；4-6 parts of trimethylolpropane；3-5 parts of crosslinking agent.The present invention can be improved the anti acid alkali performance of workpiece.
Description
Technical field
The present invention relates to electrophoretic coating technical fields, in particular to the electrophoretic coating based on acrylic resin and its processing work
Skill.
Background technique
As the defect of Typical spray constantly emerges, electrophoresis starts to become more and more popular.And electrophoretic coating also starts
It keeps updating, from anode electrophoresis dope to cathode electrophoresis dope, from one pack system electrophoretic coating to bi-component electrophoretic coating, electricity
The development of swimming coating also promotes the development of electrophoretic painting, so that more more products is not used spraying technology but uses electricity
Swimming.
Cathode electrophoresis dope can be divided mainly into: epoxy electrophoretic coating, acrylic acid electrophoretic paint and polyurethane electrophoretic coating.Third
Olefin(e) acid electrophoretic coating has superpower weather resistance, and anti-(QUV) yellowing function, transparency high (85-90 degree) are mainly used for coating guarantor
Shield, addition special-used colour starch is adjustable, the color for bright-coloured different color effect of revealing the exact details, and salt fog in the direct electrophoresis raising of handware
Energy.
During actual use it has been found that by the workpiece of acrylic resin paint processing, in relatively severe ring
It is easy to happen damage in border, such as in sour or alkali environment, i.e. the anti acid alkali performance effect of coating is poor.
Summary of the invention
The object of the present invention is to provide electrophoretic coatings and its processing technology based on acrylic resin, it is intended to solve antiacid alkali
The problem of effect difference.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of based on acrylic resin
Electrophoretic coating includes in parts by mass following component:
The further setting of the present invention are as follows: further include having 4-8 parts of phenolic resin in parts by mass.
The further setting of the present invention are as follows: further include having 2-3 parts of Petropols in parts by mass.
The further setting of the present invention are as follows: further include having 2-4 parts of isomeric alcohol polyethenoxy ethers in parts by mass.
The further setting of the present invention are as follows: further include having 5-8 parts of succinimides in parts by mass.
The further setting of the present invention are as follows: further include having 1-2 parts of chromium carbonates in parts by mass.
The further setting of the present invention are as follows: the crosslinking agent includes blocked isocyanate.
The present invention also provides it is a kind of process as above described in any item electrophoretic coatings based on acrylic resin technique,
The following steps are included:
The acrylic resin of mass parts, amino resins, trimethylolpropane and crosslinking agent are put into container and are carried out by S1
Heating, and 3-5h is kept at 80-100 DEG C；
S1 is cooled to rapidly subzero 10-15 DEG C by S2, is kept 0.5-1h, is then warmed naturally to room temperature, obtain mixture
One；
Ethyl cellulose, dibutyl phthalate and polycaprolactone glycol are mixed and are ground by mass parts by S3
Grind 1-1.5h；
Lead oxide is added in S3 by S4, and water-bath 2-2.5h at 50-65 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
The further setting of the present invention are as follows: phenolic resin, Petropols and chromium carbonate are added in the S3.
The further setting of the present invention are as follows: isomeric alcohol polyethenoxy ether and succinimide are added in the S1.
The beneficial effects of the present invention are: when clagging is after on workpiece surface, main ingredient acrylic resin tool
There is thermosetting property, therefore can make coating that can integrally have preferable shape stability；And during the heating of each ingredient,
Amino resins and acrylic resin are capable of forming the stereochemical structure in space under the action of crosslinking agent, therefore the whole each portion of coating
/ also there is certain mutual cementation, so that the globality of coating is stronger；Meanwhile when acrylic resin, amino tree
Rouge, trimethylolpropane and crosslinking agent have carried out rapid cooling and freezing, can make at this time each after heating melting
After the molecular link being connected to can keep the stability in its shape and space, post-coatings to be located on workpiece surface, bronsted lowry acids and bases bronsted lowry etc.
Under the conditions of, even if acid or alkali have been applied on coating, the integrality of paint structure can make coating resist bronsted lowry acids and bases bronsted lowry well,
Antiacid alkali effect is guaranteed.Lead oxide accelerates the rate of drying of coating.
Wherein, dibutyl phthalate has the function of plasticising, the structural strength of coating can be improved first, while adjacent
Dibatyl phithalate can be coating with good flexibility, and good impact resistant effect can be very good to resist extraneous impact
Effect；Polycaprolactone glycol has preferable resistance to mild stability to hydrolysis resistance, even if therefore can be used with coating in different rings
In border, the condition used needed for meeting also can be very good.Moreover, ethyl cellulose has good cementation, from
And making the bonding stability between coating and workpiece stronger, coating itself integrality is also stronger at this time, therefore can be very good
Prevent the structures such as pin hole from occurring, it is higher to the degree of protection of workpiece；Ethyl cellulose, trimethylolpropane and polycaprolactone two
Alcohol three plays synergistic effect during protecting workpiece, forms fine and close and smooth paint structure, can be with workpiece table
Face has very big gross contact area, improves the whole adsorption capacity in workpiece surface of coating.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiment.Obviously, described
Embodiment be only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to guarantor of the present invention
The range of shield.
Embodiment 1
A kind of processing technology of the electrophoretic coating based on acrylic resin, comprising the following steps:
S1, in parts by mass, by 35 acrylic resins, 15 parts of amino resins, 4 parts of trimethylolpropanes and 5 parts of enclosed types
Isocyanates is put into container and is heated, and keeps 5h at 80 DEG C；
S1 is cooled to rapidly subzero 15 DEG C by S2, is kept 0.5h, is then warmed naturally to room temperature, obtain mixture one；
S3 is mixed 8 parts of ethyl celluloses, 3 parts of dibutyl phthalates and 4 parts of polycaprolactone glycols by mass parts
And carry out grinding 1h；
1 part of lead oxide is added in S3 by S4, and water-bath 2h at 65 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
Embodiment 2
A kind of processing technology of the electrophoretic coating based on acrylic resin, comprising the following steps:
S1, in parts by mass, by 50 acrylic resins, 10 parts of amino resins, 6 parts of trimethylolpropanes and 3 parts of enclosed types
Isocyanates is put into container and is heated, and keeps 3h at 100 DEG C；
S1 is cooled to rapidly subzero 10 DEG C by S2, is kept 1h, is then warmed naturally to room temperature, obtain mixture one；
5 parts of ethyl celluloses, 5 parts of dibutyl phthalates, 4 parts of phenolic resin and 2 parts are gathered oneself by mass parts by S3
Interior esterdiol mixes and carries out grinding 1.5h；
2 parts of lead oxide are added in S3 by S4, and water-bath 2.5h at 50 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
Embodiment 3
A kind of processing technology of the electrophoretic coating based on acrylic resin, comprising the following steps:
S1, in parts by mass, by 40 acrylic resins, 12 parts of amino resins, 5 parts of trimethylolpropanes and 4 parts of enclosed types
Isocyanates is put into container and is heated, and keeps 4h at 90 DEG C；
S1 is cooled to rapidly subzero 12 DEG C by S2, is kept 1.2h, is then warmed naturally to room temperature, obtain mixture one；
S3, by mass parts by 6 parts of ethyl celluloses, 4 parts of dibutyl phthalates, 8 parts of phenolic resin, 2 parts of petroleum trees
Rouge and 3 parts of polycaprolactone glycols mix and carry out grinding 1.2h；
1.5 parts of lead oxide are added in S3 by S4, and water-bath 2.2h at 55 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
Embodiment 4
A kind of processing technology of the electrophoretic coating based on acrylic resin, comprising the following steps:
S1, in parts by mass, by 39 acrylic resins, 11 parts of amino resins, 5.5 parts of trimethylolpropanes and 3.5 parts of envelopes
Closed form isocyanates, which is put into container, to be heated, and keeps 4h at 80 DEG C；
S1 is cooled to rapidly subzero 14 DEG C by S2, is kept 1h, is then warmed naturally to room temperature, obtain mixture one；
S3, by mass parts by 7 parts of ethyl celluloses, 4.5 parts of dibutyl phthalates, 5 parts of phenolic resin, 2.5 parts of stones
Oleoresin, 1 part of chromium carbonate and 2.5 parts of polycaprolactone glycols mix and carry out grinding 1h；
1.8 parts of lead oxide are added in S3 by S4, and water-bath 2h at 58 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
Embodiment 5
A kind of processing technology of the electrophoretic coating based on acrylic resin, comprising the following steps:
S1, in parts by mass, by 35 acrylic resins, 15 parts of amino resins, 5.5 parts of trimethylolpropanes, 2 parts of isomery alcohol
Polyoxyethylene ether and 4.5 parts of blocked isocyanates are put into container and are heated, and keep 3h at 80 DEG C；
S1 is cooled to rapidly subzero 13 DEG C by S2, is kept 0.8h, is then warmed naturally to room temperature, obtain mixture one；
S3, by mass parts by 6 parts of ethyl celluloses, 4.5 parts of dibutyl phthalates, 7 parts of phenolic resin, 2.8 parts of stones
Oleoresin, 1.5 parts of chromium carbonates and 3.5 parts of polycaprolactone glycols mix and carry out grinding 1.5h；
1.2 parts of lead oxide are added in S3 by S4, and water-bath 2.2h at 62 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
Embodiment 6
A kind of processing technology of the electrophoretic coating based on acrylic resin, comprising the following steps:
S1, in parts by mass, by 50 acrylic resins, 11 parts of amino resins, 4.5 parts of trimethylolpropanes, 3 parts of isomery alcohol
Polyoxyethylene ether, 6.5 parts of succinimides and 3.5 parts of blocked isocyanates are put into container and are heated, and at 90 DEG C
Lower holding 5h；
S1 is cooled to rapidly subzero 10 DEG C by S2, is kept 0.8h, is then warmed naturally to room temperature, obtain mixture one；
S3, by mass parts by 7.5 parts of ethyl celluloses, 3.5 parts of dibutyl phthalates, 6 parts of phenolic resin, 2.2 parts
Petropols, 1.5 parts of chromium carbonates and 2 parts of polycaprolactone glycols mix and carry out grinding 1h；
1.8 parts of lead oxide are added in S3 by S4, and water-bath 2h at 57 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
Contrived experiment
Take 350 pieces of breadboards, and be randomly divided into 7 groups, every group 50 pieces, first group to the 6th group use respectively embodiment one to
The method of embodiment six is processed, and embodiment seven is processed using electrophoretic coating conventional in the market, and respectively obtains production
Product.
The adhesive force that each piece of breadboard is coated is tested by GB/T9286-1998, passes through the first of GB/T1733-1993
Method tests the water resistance of breadboard, by GB1763-1979 to chemical reagent-resistant performance (the i.e. antiacid alkali of breadboard
Property) tested.Wherein the rank of adhesive force is averaged, and water resistance and chemical reagent-resistant performance record total acceptance number respectively
Amount, record conclusion are as follows:
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (10)
1. a kind of electrophoretic coating based on acrylic resin, which is characterized in that include following component in parts by mass:
2. the electrophoretic coating according to claim 1 based on acrylic resin, it is characterised in that: in parts by mass, also wrap
4-8 parts of phenolic resin are included.
3. the electrophoretic coating according to claim 1 based on acrylic resin, it is characterised in that: in parts by mass, also wrap
2-3 parts of Petropols are included.
4. the electrophoretic coating according to claim 1 based on acrylic resin, it is characterised in that: in parts by mass, also wrap
2-4 parts of isomeric alcohol polyethenoxy ethers are included.
5. the electrophoretic coating according to claim 1 based on acrylic resin, it is characterised in that: in parts by mass, also wrap
5-8 parts of succinimides are included.
6. the electrophoretic coating according to claim 1 based on acrylic resin, it is characterised in that: in parts by mass, also wrap
1-2 parts of chromium carbonates are included.
7. the electrophoretic coating according to claim 1 based on acrylic resin, it is characterised in that: the crosslinking agent includes
Blocked isocyanate.
8. a kind of technique of processing such as the described in any item electrophoretic coatings based on acrylic resin of claim 1-7, feature
It is: the following steps are included:
The acrylic resin of mass parts, amino resins, trimethylolpropane and crosslinking agent are put into container and are added by S1
Heat, and 3-5h is kept at 80-100 DEG C；
S1 is cooled to rapidly subzero 10-15 DEG C by S2, is kept 0.5-1h, is then warmed naturally to room temperature, obtain mixture one；
Ethyl cellulose, dibutyl phthalate and polycaprolactone glycol are mixed by mass parts and carry out grinding 1- by S3
1.5h；
Lead oxide is added in S3 by S4, and water-bath 2-2.5h at 50-65 DEG C obtains mixture two；
Mixture one and mixture two are mixed, obtain coating by S5.
9. the processing technology of the electrophoretic coating according to claim 8 based on acrylic resin, it is characterised in that: the S3
Middle addition phenolic resin, Petropols and chromium carbonate.
10. the processing technology of the electrophoretic coating according to claim 8 based on acrylic resin, it is characterised in that: described
Isomeric alcohol polyethenoxy ether and succinimide are added in S1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447508.9A CN110079174A (en) | 2019-05-27 | 2019-05-27 | Electrophoretic coating and its processing technology based on acrylic resin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447508.9A CN110079174A (en) | 2019-05-27 | 2019-05-27 | Electrophoretic coating and its processing technology based on acrylic resin |
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|---|---|
| CN110079174A true CN110079174A (en) | 2019-08-02 |
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| CN201910447508.9A Pending CN110079174A (en) | 2019-05-27 | 2019-05-27 | Electrophoretic coating and its processing technology based on acrylic resin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112175468A (en) * | 2020-10-26 | 2021-01-05 | 厦门市金宝源实业有限公司 | Electrophoretic paint, preparation method and coating process thereof |
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| EP1198525B1 (en) * | 1999-07-20 | 2005-10-05 | Basf Corporation | Eletrocoat coating composition and process for electrocoating a substrate |
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