CN109825168A - The application of coil coating, coating photosensitive diluent, coating - Google Patents
The application of coil coating, coating photosensitive diluent, coating Download PDFInfo
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- CN109825168A CN109825168A CN201910114165.4A CN201910114165A CN109825168A CN 109825168 A CN109825168 A CN 109825168A CN 201910114165 A CN201910114165 A CN 201910114165A CN 109825168 A CN109825168 A CN 109825168A
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- 238000000576 coating method Methods 0.000 title claims abstract description 75
- 239000011248 coating agent Substances 0.000 title claims abstract description 72
- 239000003085 diluting agent Substances 0.000 title claims abstract description 12
- 239000000178 monomer Substances 0.000 claims abstract description 24
- 239000003999 initiator Substances 0.000 claims abstract description 12
- 238000000016 photochemical curing Methods 0.000 claims abstract description 12
- 238000001723 curing Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 238000013329 compounding Methods 0.000 claims abstract description 7
- 239000003822 epoxy resin Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 239000002270 dispersing agent Substances 0.000 claims abstract description 5
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000010215 titanium dioxide Nutrition 0.000 claims abstract description 4
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims abstract description 4
- 229910000165 zinc phosphate Inorganic materials 0.000 claims abstract description 4
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 4
- 125000006188 2-phenyl benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C1=C(C([H])=C([H])C([H])=C1[H])C([H])([H])* 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical group C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 2
- AUHZEENZYGFFBQ-UHFFFAOYSA-N 1,3,5-trimethylbenzene Chemical group CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 150000002148 esters Chemical class 0.000 claims 2
- VJMJYBVERHZATL-UHFFFAOYSA-N (2,4,6-trimethylbenzoyl)phosphonoyl-(2,4,6-trimethylphenyl)methanone Chemical class CC1=CC(C)=CC(C)=C1C(=O)P(=O)C(=O)C1=C(C)C=C(C)C=C1C VJMJYBVERHZATL-UHFFFAOYSA-N 0.000 claims 1
- OOPXNVJSPHABKR-UHFFFAOYSA-N 1-(2-morpholin-4-ylphenyl)pentan-3-one Chemical compound N1(CCOCC1)C1=CC=CC=C1CCC(CC)=O OOPXNVJSPHABKR-UHFFFAOYSA-N 0.000 claims 1
- LJRSZGKUUZPHEB-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxypropoxy)propoxy]propyl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COC(C)COC(=O)C=C LJRSZGKUUZPHEB-UHFFFAOYSA-N 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 claims 1
- 125000002252 acyl group Chemical group 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical group OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims 1
- HQIXAWUUYCUDJA-UHFFFAOYSA-N oxolane;prop-1-ene Chemical group CC=C.C1CCOC1 HQIXAWUUYCUDJA-UHFFFAOYSA-N 0.000 claims 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 7
- 238000013007 heat curing Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 description 5
- -1 1,6- hexanediyl ester Chemical class 0.000 description 4
- JRWNODXPDGNUPO-UHFFFAOYSA-N oxolane;prop-2-enoic acid Chemical group C1CCOC1.OC(=O)C=C JRWNODXPDGNUPO-UHFFFAOYSA-N 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- AUONHKJOIZSQGR-UHFFFAOYSA-N oxophosphane Chemical compound P=O AUONHKJOIZSQGR-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- GUCYFKSBFREPBC-UHFFFAOYSA-N [phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C(=O)C1=C(C)C=C(C)C=C1C GUCYFKSBFREPBC-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- WMJVKNOOFUSBFQ-UHFFFAOYSA-N formaldehyde;prop-2-enoic acid Chemical compound O=C.OC(=O)C=C WMJVKNOOFUSBFQ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The present invention discloses a kind of coil coating, functional coatings preparation field, it is proposed based on the existing poor problem of coil coating property, the coating is mainly prepared from the following raw materials in parts by weight: 40-60 parts of photosensitive diluent composition, 20-30 parts of epoxy resin, 6-10 parts of Lauxite, 7-8 parts of zinc borate, 5-6 parts of trbasic zinc phosphate, 10-15 parts of titanium white, 0.5-1.0 parts of catalyst, 1-2 parts of dispersing agent, invention additionally discloses photosensitive diluent compositions used in coating, it is mainly prepared from the following raw materials in parts by weight: 30-40 parts of photo-curing monomer, 10-20 parts of photosensitive resin, initiator 0.5-1 parts of compounding, invention additionally discloses application of the coating in coating preparation, Coating and its curing mode are as follows: coating is coated on steel Volume after carrying out photocuring, carries out heat cure；The beneficial effects of the present invention are: the coating of preparation passes through photocuring and heat cure, forms the cross-linked network of heat cure, assigns the good protective performance of coating.
Description
Technical field
The present invention relates to functional coatings preparation fields, and in particular to coil coating, coating photosensitive diluent, coating
Application.
Background technique
Coil steel coating is a kind of a kind of protective coating that paint solidification is coated on coiled steel thin plate, coil steel coating
The requirement of paint solidification processing technology should be met, also to meet the performance requirement in web-handled forming process, in protective
In coating, priming paint is epochmaking basis in entire coat system, adhesive force of the coating to ground, the protective performance of composite coating
Deng the quality for relying on primary coat coating performance more.High performance bottom-coating is to processing performance, and T is curved and the aspect of performance such as solvent resistant
There is key effect.
The general baking temperature of coil coating is 250~300 DEG C, and baking time is usually 20~60s, the peak value temperature of substrate
Degree can reach 200 DEG C or so.Coating wet film drying time is short, thus the selection of solvent has important shadow to curing of coatings performance
It rings.Low-boiling solvent be easy to cause coating the problems such as pin hole, bubble occur.Excessive high boiling solvent will cause dry slow
Slowly, curing time extends, and influences the performance of solidify coating.
Summary of the invention
The problem to be solved by the present invention is that the solidification of existing coil solvent effect coating used in coating
Performance.
The present invention adopts the following technical solutions solves above-mentioned technical problem:
The present invention provides a kind of coil coating, is mainly prepared from the following raw materials in parts by weight: photosensitive diluent group
Conjunction object 40-60 parts, 20-30 parts of epoxy resin, 6-10 parts of Lauxite, 7-8 parts of zinc borate, 5-6 parts of trbasic zinc phosphate, titanium white 10-15
Part, 0.5-1.0 parts of catalyst, 1-2 parts of dispersing agent.
Preferably, the photosensitive diluent composition is mainly prepared from the following raw materials in parts by weight: photo-curing monomer 30-
40 parts, 10-20 parts of photosensitive resin, initiator 0.5-1 parts of compounding.
Preferably, the photo-curing monomer is made of monofunctional monomer and bifunctionality monomer complex, wherein simple function
The mass fraction for spending monomer is 60%-70%, and the mass fraction of bifunctionality monomer is 30%-40%.
Preferably, the monofunctional monomer is tetrahydrofuran acrylate or trimethylolpropane formal acrylic acid
Ester.
Preferably, the bifunctionality monomer is 1,6- hexanediyl ester or tripropylene glycol diacrylate
Ester.
Preferably, the photosensitive resin is the Epocryl of two degrees of functionality.
Preferably, the compounding initiator is made of photoinitiator and radical initiator, mass ratio 1:0.1-5.
Preferably, the photoinitiator is 2,4,6- trimethylbenzoy-dipheny phosphine oxides, phenyl bis- (2,4,6-
Trimethylbenzoyl) phosphine oxide, one of 2- phenylbenzyl -2- dimethylamino -1- (4- morpholine benzyl) butanone；Free radical
Initiator is dibenzoyl peroxide or azodiisobutyronitrile.
Preferably, the epoxide equivalent of the epoxy resin is 2800-4000.
The present invention also provides a kind of photosensitive diluent compositions of coating, mainly by the raw material system of following parts by weight
At: 30-40 parts of photo-curing monomer, 10-20 parts of photosensitive resin, initiator 0.5-1 parts of compounding.
The present invention also provides the applications of above-mentioned coating, are applied to prepares coating, Coating and its curing mode are as follows:
Coating is coated on coil of strip, after carrying out photocuring, carries out heat cure.
Preferably, the coating is coated with 200-1000g/m on coil of strip2, after levelling, with 200mJ/cm2Photocuring intensity is solid
Change, solidifies 15-60s in 200-250 DEG C of drying tunnel.
The beneficial effects of the present invention are:
(1) present invention is applied in coil coating using the photosensitive diluent having compared with highly dissoluble, coating coating
By photocuring, the quick precuring of coating energy, and radically curing cross-linked network is formed, the coating of precuring adds by high temperature
Heat cure forms the cross-linked network of heat cure, assigns the good protective performance of coating, realizes surface rapid draing, and solvent-free
Volatilization；
(2) coating uses the epoxy resin and carbamide resin crosslinking curing of higher molecular weight, toughness with higher and attached
Put forth effort, using Epocryl, the degree of cross linking with higher makes coating have certain hardness and anti-permeability performance；
(3) zinc borate being added in coating improves the antiseptic property of coating.
Specific embodiment
The present invention is described in further details below with reference to embodiment.
Test material and reagent as used in the following examples etc., unless otherwise specified, commercially obtain.
High molecular weight part epoxy resin SM609: purchased from the three wooden companies；
Epocryl CN104: it is purchased from Sartomer；
Catalyst BYK450: it is purchased from Shanghai Pu Hao Chemical Co., Ltd.；
Dispersing agent Efka-4046: it is purchased from Dongguan Zhong Bang pigment Co., Ltd.
Embodiment 1
The preparation of coil coating:
(1) high molecular weight part epoxy resin SM609 20g is weighed, monofunctional monomer's tetrahydrofuran acrylate is added
(THFA) 10g dissolves at 40 DEG C, is completely dissolved rear stand for standby use；
(2) Lauxite 6g is weighed, monofunctional monomer's tetrahydrofuran acrylate (THFA) 10g is added, dissolves standby
With；
(3) by tetrahydrofuran acrylate 5g, bifunctionality monomer triethylene-glycol diacrylate (TPGDA) 10g,
Epocryl 11g is uniformly mixed, and 2,4,6- trimethylbenzoy-dipheny phosphine oxide of photoinitiator is added
(TPO) 0.25g, radical initiator dibenzoyl peroxide (BPO) 0.25g, it is spare after dissolution；
(4) after mixing by the mixture in step (1), (2) (3), zinc borate 7g, trbasic zinc phosphate 5g, titanium white is added
15g, catalyst BYK450 0.5g, dispersing agent Efka-4046 1g, the high speed dispersion 30min under high speed disperser are filtered standby
With to get to coil coating.
Above-mentioned coating is applied to prepares coating:
The coating of preparation is used for coil primary coat, by 200g/m2It is coated on tinplate substrate, light intensity 200mJ/cm2Crawler belt
Solidify on formula photo solidification machine, toasts 30s in 250 DEG C of drying tunnels, cured film standing for 24 hours afterwards tests the performance of coating.
Embodiment 2-5
The preparation method of coating and coating is in the same manner as in Example 1 in embodiment 2-5, the difference is that each group distribution ratio
It is different
Embodiment 6
The present embodiment difference from example 1 is that: used monofunctional monomer be trimethylolpropane contracting
Formaldehyde acrylate (CTMPFA), additional amount 30g, bifunctionality monomer are 1,6- hexanediyl ester (HDDA),
Its additional amount is 20g.
Embodiment 7
The present embodiment difference from example 1 is that: used photoinitiator be bis- (the 2,4,6- trimethyls of phenyl
Benzoyl) phosphine oxide (819), additional amount 0.5g.
Embodiment 8
The present embodiment difference from example 1 is that: used photoinitiator be 2- phenylbenzyl -2- diformazan ammonia
Base -1- (4- morpholine benzyl) butanone (369), additional amount 0.5g.
Embodiment 9
The present embodiment is coating performance test result prepared in embodiment 1-8:
Impact strength includes square impact and recoil, and impact strength is demonstrated by the flexibility of coating and the adhesive force to ground.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
It is within the scope of the invention with present inventive concept without the various process programs of substantial differences.
Claims (10)
1. a kind of coil coating, it is characterised in that: it is mainly prepared from the following raw materials in parts by weight: photosensitive diluent combination
40-60 parts of object, 20-30 parts of epoxy resin, 6-10 parts of Lauxite, 7-8 parts of zinc borate, 5-6 parts of trbasic zinc phosphate, 10-15 parts of titanium white,
0.5-1.0 parts of catalyst, 1-2 parts of dispersing agent.
2. coil coating according to claim 1, it is characterised in that: the photosensitive diluent composition is mainly by following
The raw material of parts by weight is made: 30-40 parts of photo-curing monomer, 10-20 parts of photosensitive resin, initiator 0.5-1 parts of compounding.
3. coil coating according to claim 2, it is characterised in that: the photo-curing monomer by monofunctional monomer and
Bifunctionality monomer complex is made, and wherein the mass fraction of monofunctional monomer is 60%-70%, the quality of bifunctionality monomer
Score is 30%-40%.
4. coil coating according to claim 3, it is characterised in that: the monofunctional monomer is tetrahydrofuran propylene
Acid esters or trimethylolpropane formal acrylate.
5. coil coating according to claim 3, it is characterised in that: the bifunctionality monomer is 1,6- hexylene glycol two
Acrylate or tri (propylene glycol) diacrylate.
6. coil coating according to claim 2, it is characterised in that: the photosensitive resin is the epoxy third of two degrees of functionality
Alkene acid ester resin.
7. coil coating according to claim 2, it is characterised in that: the compounding initiator is by photoinitiator and freedom
Base initiator is made, mass ratio 1:0.1-5.
8. coil coating according to claim 7, it is characterised in that: the photoinitiator is 2,4,6- trimethylbenzene first
Bis- (2,4,6- trimethylbenzoyl) phosphine oxides of acyl group-diphenyl phosphine oxide, phenyl, 2- phenylbenzyl -2- dimethylamino -1-
One of (4- morpholine benzyl) butanone；Radical initiator is dibenzoyl peroxide or azodiisobutyronitrile.
9. a kind of photosensitive diluent composition of coating, it is characterised in that: it is mainly prepared from the following raw materials in parts by weight: light
30-40 parts of curing monomer, 10-20 parts of photosensitive resin, initiator 0.5-1 parts of compounding.
10. using application of the coating of any of claims 1-8 in prepares coating, it is characterised in that: it is coated with
Coating and its curing mode are as follows: coating is coated on coil of strip, after carrying out photocuring, is heating and curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114165.4A CN109825168A (en) | 2019-02-14 | 2019-02-14 | The application of coil coating, coating photosensitive diluent, coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114165.4A CN109825168A (en) | 2019-02-14 | 2019-02-14 | The application of coil coating, coating photosensitive diluent, coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109825168A true CN109825168A (en) | 2019-05-31 |
Family
ID=66863704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910114165.4A Withdrawn CN109825168A (en) | 2019-02-14 | 2019-02-14 | The application of coil coating, coating photosensitive diluent, coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109825168A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780884A (en) * | 2003-04-28 | 2006-05-31 | 纳幕尔杜邦公司 | Cathodic corrosion protection powder coating compositions and methods |
| CN101479350A (en) * | 2006-04-26 | 2009-07-08 | 巴斯夫欧洲公司 | Method for applying corrosion-resistant layer to metal surface |
| CN108603060A (en) * | 2015-12-23 | 2018-09-28 | Posco公司 | Ink composition for iron and steel materials excellent in adhesion, method for producing printed steel sheet using the same, and printed steel sheet produced by the method |
-
2019
- 2019-02-14 CN CN201910114165.4A patent/CN109825168A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780884A (en) * | 2003-04-28 | 2006-05-31 | 纳幕尔杜邦公司 | Cathodic corrosion protection powder coating compositions and methods |
| CN101479350A (en) * | 2006-04-26 | 2009-07-08 | 巴斯夫欧洲公司 | Method for applying corrosion-resistant layer to metal surface |
| CN108603060A (en) * | 2015-12-23 | 2018-09-28 | Posco公司 | Ink composition for iron and steel materials excellent in adhesion, method for producing printed steel sheet using the same, and printed steel sheet produced by the method |
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