CN112759720A - Boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin and preparation method and application thereof - Google Patents
Boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin and preparation method and application thereof Download PDFInfo
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- CN112759720A CN112759720A CN202110033516.6A CN202110033516A CN112759720A CN 112759720 A CN112759720 A CN 112759720A CN 202110033516 A CN202110033516 A CN 202110033516A CN 112759720 A CN112759720 A CN 112759720A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 71
- 239000011347 resin Substances 0.000 title claims abstract description 41
- 229920005989 resin Polymers 0.000 title claims abstract description 41
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000009835 boiling Methods 0.000 title claims abstract description 35
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000006185 dispersion Substances 0.000 title claims abstract description 30
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 30
- 239000011574 phosphorus Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000000178 monomer Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 29
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 29
- 239000006184 cosolvent Substances 0.000 claims abstract description 19
- 239000003999 initiator Substances 0.000 claims abstract description 13
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 9
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 9
- 150000005846 sugar alcohols Polymers 0.000 claims abstract description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000007519 polyprotic acids Polymers 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000004593 Epoxy Substances 0.000 claims abstract description 4
- VALXVSHDOMUUIC-UHFFFAOYSA-N 2-methylprop-2-enoic acid;phosphoric acid Chemical compound OP(O)(O)=O.CC(=C)C(O)=O VALXVSHDOMUUIC-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 3
- 239000010452 phosphate Substances 0.000 claims abstract description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 24
- 239000003973 paint Substances 0.000 claims description 23
- BDJSOPWXYLFTNW-UHFFFAOYSA-N methyl 3-methoxypropanoate Chemical compound COCCC(=O)OC BDJSOPWXYLFTNW-UHFFFAOYSA-N 0.000 claims description 19
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims description 16
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 150000002009 diols Chemical class 0.000 claims description 12
- 239000001530 fumaric acid Substances 0.000 claims description 12
- 229920000515 polycarbonate Polymers 0.000 claims description 12
- 239000004417 polycarbonate Substances 0.000 claims description 12
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 230000003472 neutralizing effect Effects 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- 229960002887 deanol Drugs 0.000 claims description 4
- 239000012972 dimethylethanolamine Substances 0.000 claims description 4
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 4
- 229920005862 polyol Polymers 0.000 claims description 4
- 150000003077 polyols Chemical class 0.000 claims description 4
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- VUVZASHBYYMLRC-UHFFFAOYSA-N heptane-2,3-diol Chemical compound CCCCC(O)C(C)O VUVZASHBYYMLRC-UHFFFAOYSA-N 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 2
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 claims description 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 2
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 claims description 2
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 2
- NDWUBGAGUCISDV-UHFFFAOYSA-N 4-hydroxybutyl prop-2-enoate Chemical compound OCCCCOC(=O)C=C NDWUBGAGUCISDV-UHFFFAOYSA-N 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 2
- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 claims description 2
- 239000001361 adipic acid Substances 0.000 claims description 2
- 235000011037 adipic acid Nutrition 0.000 claims description 2
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 claims description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 claims description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 2
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 claims description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 2
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 2
- 229940119545 isobornyl methacrylate Drugs 0.000 claims description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- WYKYCHHWIJXDAO-UHFFFAOYSA-N tert-butyl 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOC(C)(C)C WYKYCHHWIJXDAO-UHFFFAOYSA-N 0.000 claims description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 claims description 2
- 239000002966 varnish Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 12
- 238000012360 testing method Methods 0.000 description 7
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 4
- 229920003180 amino resin Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
-
- 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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention discloses a boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin which comprises the following components in parts by weight: 25-45 parts of A part polyester monomer, 1-5 parts of B part acrylic resin monomer, 5-15 parts of C part acrylic resin monomer, 3-7 parts of cosolvent, 0.2-1 part of initiator, 1-4 parts of neutralizer and 38-48 parts of deionized water; the A part polyester monomer comprises polyalcohol and polybasic acid, the B part acrylic resin monomer comprises methacrylic acid phosphate or acrylic acid epoxy phosphate, and the C part acrylic resin monomer comprises acrylic acid. The phosphorus-containing waterborne acrylic modified polyester dispersoid resin prepared by the invention has better water dispersibility, can be used in amino baking varnish coating, can obviously improve the boiling resistance and mechanical property of coating film of the coating and the adhesive force of the coating film to metal materials, and has high glossiness.
Description
Technical Field
The invention belongs to the technical field of boiling-resistant paint materials, and particularly relates to a boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin, and a preparation method and application thereof.
Background
The water-based paint is one of the development directions of environment-friendly paints, takes water as a dispersion medium, and has the advantages of no toxicity, environmental protection, low VOC content and the like. The water-based paint mainly comprises water-based acrylic acid, water-based polyurethane, water-based polyester, water-based epoxy oxygen and the like, wherein the water-based polyester paint is a representative water-based paint and is widely used for protecting and decorating metal surfaces.
The ester bond of the water-based polyester is easy to hydrolyze, so that the water boiling resistant performance of a paint film is poor, and the application of the water-based polyester in the water boiling resistant paint is limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin as well as a preparation method and application thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin comprises the following components in parts by weight: 25-45 parts of A-part polyester monomer, 1-5 parts of B-part acrylic resin monomer, 5-15 parts of C-part acrylic resin monomer, 3-7 parts of cosolvent, 0.2-1 part of initiator, 1-4 parts of neutralizer and 38-48 parts of deionized water.
Further, the part a polyester monomer includes a polyol and a polyacid. Preferably, the polyol comprises at least one of 1,6 hexanediol, polycarbonate diol, methyl propylene glycol, neopentyl glycol, 1,4 butanediol, glycidyl versatate, trimethylolpropane. Preferably, the polybasic acid comprises at least one of phthalic anhydride, isophthalic acid, terephthalic acid, adipic acid, maleic anhydride, fumaric acid. Preferably, the ratio of polyhydric alcohol to polybasic acid is (1.05 to 1.15): 1. the hydrolysis resistance of the polyester is better under the condition of the proportion.
It will be understood by those skilled in the art that the polyol refers to a monomer capable of introducing hydroxyl groups to the resin and the polyacid refers to a monomer capable of introducing carboxyl groups to the resin.
Further, the B part acrylic resin monomer comprises at least one of methacrylic acid phosphate and acrylic acid epoxy phosphate.
Further, the C-part acrylic resin monomer includes at least one of acrylic acid, glycidyl versatate, methacrylic acid, isobornyl methacrylate, methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, styrene, butyl acrylate, butyl methacrylate, lauryl acrylate, lauryl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, hydroxybutyl acrylate, cyclohexyl methacrylate.
On one hand, the invention optimizes the types of synthetic monomers of the polyester, selects the polybasic acid and the polyhydric alcohol with better hydrolysis resistance for polymerization, and optimizes the mixture ratio of the polybasic acid and the polyhydric alcohol. On the other hand, the invention adopts the phosphorus-containing acrylic resin monomer of the B part to carry out graft modification on the polyester, and the graft modification of the monomer can effectively improve the adhesive force of the polyester to a metal substrate and can also improve the water dispersibility of the polyester; in addition, the invention also adopts the acrylic resin monomer at the C part to graft and modify the polyester, and the monomer can effectively improve the boiling resistance of the polyester. Surprisingly, the inventor finds in the research process that the effect of simultaneously using the acrylic resin monomer B and the acrylic resin monomer C to graft and modify the polyester is more remarkable than that of singly grafting the acrylic resin monomer C to improve the boiling resistance.
Preferably, the cosolvent comprises at least one of methyl 3-methoxypropionate and butyl propylene glycol ether. The cosolvent is an environment-friendly solvent, has good dissolving capacity and is compatible with water.
Preferably, the cosolvent consists of methyl 3-methoxypropionate and propylene glycol butyl ether, and the mass ratio of methyl 3-methoxypropionate: and (3) 1 is propylene glycol butyl ether (1-2). The inventor finds that the water dispersibility of the prepared dispersion resin is better when the methyl 3-methoxypropionate and the propylene glycol butyl ether are compounded and used according to the proportion.
Preferably, the cosolvent consists of methyl 3-methoxypropionate and propylene glycol butyl ether, and the mass ratio of methyl 3-methoxypropionate: propylene glycol butyl ether is 1.5: 1. The inventors have found through experiments that when methyl 3-methoxypropionate and propylene glycol butyl ether are compounded in the above ratio, the dispersion resin obtained has the best water dispersibility.
Preferably, the initiator comprises at least one of benzoyl peroxide, tert-butyl peroxybenzoate, di-tert-butyl peroxide, tert-butyl peroxy-2-ethylhexanoate and dicumyl peroxide.
Preferably, the neutralizing agent comprises at least one of triethylamine, dimethylethanolamine, and ammonia.
In another aspect, the invention further provides a preparation method of the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin, which comprises the following steps:
(1) synthesizing a polyester: putting the A part of polyester monomer into a reaction kettle, introducing nitrogen, heating to raise the temperature, starting stirring when the temperature is raised to 120-130 ℃, continuing to raise the temperature at the speed of 8-12 ℃/h after the temperature is raised to 160 ℃, keeping the temperature until the acid value is 4-8 mg/g (calculated by KOH) when the temperature is raised to 230 ℃, and then cooling to 160 ℃ and keeping the temperature;
(2) adding a cosolvent into the system in the step (1), adding a mixture consisting of the acrylic resin monomers of the B part and the acrylic resin monomers of the C part and an initiator with the dosage of 20-50% for 120-200 min, carrying out heat preservation reaction for 1-2 h, adding the rest of initiator, and carrying out heat preservation reaction for 2-2.5 h;
(3) and (3) cooling the reaction system obtained in the step (2) to 90 +/-2 ℃, adding a neutralizing agent, cooling to 80 +/-2 ℃ after the neutralization reaction is finished, then adding deionized water, and uniformly dispersing to obtain the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersoid resin.
In another aspect, the invention also provides the application of the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin in a waterborne coating.
Preferably, the water-based paint is a water-based amino baking paint.
Preferably, the content of the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin in the waterborne acrylic amino baking paint is 70-75 parts.
On the other hand, the invention also provides a water-based polyester amino baking paint which comprises the following components in parts by weight: 70-75 parts of boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin, 15-20 parts of waterborne amino resin, 3-5 parts of an auxiliary agent and 4-10 parts of deionized water.
Preferably, the auxiliary agent comprises at least one of a ByK-190 wetting dispersant, a ByK-022 defoaming agent, a Digao Tego-410 flatting agent, propylene glycol methyl ether and a neutralizing agent.
Preferably, the neutralizing agent comprises at least one of triethylamine, dimethylethanolamine, and ammonia.
On the other hand, the invention also provides a preparation method of the water-based polyester amino baking paint, which comprises the following steps: and mixing and uniformly dispersing the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin, the waterborne amino resin and the auxiliary agent, then adding deionized water, filtering and discharging to obtain the waterborne polyester amino baking paint.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through optimization of a formula and a process, firstly, polybasic acid with better hydrolysis resistance and polyhydric alcohol are polymerized to prepare polyester, and then, the polyester is further subjected to graft modification by adopting a B part phosphorus-containing acrylic resin monomer and a C part acrylic resin monomer, so that the boiling resistance, the metal adhesion and the water dispersibility of the polyester are further enhanced. The phosphorus-containing waterborne acrylic modified polyester dispersion resin prepared by the formula and the method has good water dispersibility, can be used in amino baking paint, can obviously improve the boiling resistance and the mechanical property of a paint film and the adhesive force of the paint film to a metal material, and has high glossiness.
Detailed Description
The technical solutions will be described clearly and completely in the following with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Sources of raw materials in examples and comparative examples:
component name | Trade name or model number |
Acrylic resin monomer B (monomer B) | Methacrylic acid phosphoric ester |
Acrylic resin monomer C (monomer C for short) | Methacrylic acid methyl ester |
Initiator | Benzoyl peroxide |
Neutralizing agent | Triethylamine |
Aqueous amino resin | CYMEL303 |
The component composition of the A part polyester monomer 1 (A monomer 1 for short) is as follows: polycarbonate diol and fumaric acid, wherein the mass ratio of the polycarbonate diol to the fumaric acid is 1: 1.
The component composition of the A part polyester monomer 2 (A monomer 2 for short) is as follows: polycarbonate diol and fumaric acid, wherein the mass ratio of the polycarbonate diol to the fumaric acid is 1.05: 1.
The component composition of the A part polyester monomer 3 (A monomer 3 for short) is as follows: polycarbonate diol and fumaric acid, wherein the mass ratio of the polycarbonate diol to the fumaric acid is 1.1: 1.
The component composition of the A part polyester monomer 4 (A monomer 4 for short) is as follows: polycarbonate diol and fumaric acid, wherein the mass ratio of the polycarbonate diol to the fumaric acid is 1.15: 1.
The component composition of the A-part polyester monomer 5 (A monomer 5 for short) is as follows: polycarbonate diol and fumaric acid, wherein the mass ratio of the polycarbonate diol to the fumaric acid is 1.2: 1.
The cosolvent 1 comprises the following components: methyl 3-methoxypropionate and propylene glycol butyl ether, wherein the mass ratio of the methyl 3-methoxypropionate to the propylene glycol butyl ether is 1: 1.
The cosolvent 2 comprises the following components: methyl 3-methoxypropionate and propylene glycol butyl ether, wherein the mass ratio of the methyl 3-methoxypropionate to the propylene glycol butyl ether is 1.5: 1.
The cosolvent 3 comprises the following components: methyl 3-methoxypropionate and propylene glycol butyl ether, wherein the mass ratio of the methyl 3-methoxypropionate to the propylene glycol butyl ether is 2: 1.
The cosolvent 4 is 3-methoxypropionic acid methyl ester.
Cosolvent 5 is propylene glycol butyl ether.
Performance test standard:
the gloss was tested in accordance with GB/T9754-2007;
the hardness of the paint film is tested according to GB/T6739-2006;
impact resistance was tested according to GB/T1732-1993;
water resistance was tested according to GB/T1733-1993;
the adhesion was tested according to GB/T1720-;
boiling resistance: after boiling water test for 2h, the coating should not fall off, blister or other defects after boiling water test, allowing slight color change.
Examples 1 to 5
Examples 1 to 5 provide a phosphorus-containing aqueous acrylic modified polyester dispersion resin, the formulation of which is shown in table 1, and the preparation method thereof is as follows:
(1) synthesizing a polyester: putting the A part of polyester monomer into a reaction kettle, introducing nitrogen, heating to raise the temperature, starting stirring when the temperature is raised to 120-130 ℃, continuing to raise the temperature at the speed of 8-12 ℃/h after the temperature is raised to 160 ℃, keeping the temperature until the acid value is 4-8 mg/g (calculated by KOH) when the temperature is raised to 230 ℃, and then cooling to 160 ℃ and keeping the temperature;
(2) adding a cosolvent into the system in the step (1), adding a mixture consisting of the acrylic resin monomers of the B part and the acrylic resin monomers of the C part and an initiator with the dosage of 20-50% for 120-200 min, carrying out heat preservation reaction for 1-2 h, adding the rest of initiator, and carrying out heat preservation reaction for 2-2.5 h;
(3) and (3) cooling the reaction system obtained in the step (2) to 90 +/-2 ℃, adding a neutralizing agent, cooling to 80 +/-2 ℃ after the neutralization reaction is finished, then adding deionized water, and uniformly dispersing to obtain the phosphorus-containing waterborne acrylic modified polyester dispersion resin.
Comparative examples 1 to 6: comparative examples 1 to 6 provide aqueous polyester dispersion resins having the formulations shown in Table 1, and the preparation methods thereof were according to the preparation methods of examples 1 to 5.
TABLE 1
Note: in the table, "-" indicates that the component was not added.
And (3) performance testing:
firstly, the type of the cosolvent is effective for abnormal viscosity thickening in the dilution process, and in order to investigate the influence of the cosolvents 1-5 on the water dispersion performance of the resin, the following item test of table 2 is carried out. Wherein the viscosity was measured at 25 ℃ by using an NDJ-1 type rotational viscometer.
TABLE 2
Sample (I) | Mass fraction of solids% | Viscosity, mPas | Water-dispersible |
Example 2 | 45.5 | 2000 | Good effect |
Example 4 | 45.6 | 1950 | Is excellent in |
Example 5 | 44.3 | 2250 | Good effect |
Comparative example 1 | 44.1 | 2600 | In general |
Comparative example 2 | 44.2 | 2450 | In general |
From the test results in table 2, it can be seen that under the same conditions of monomers, initiators and the like, the mass fractions of the solid contents of the resins of examples 2, 4 to 5 and comparative examples 1 to 2 are not obviously different, but the dissolving capacities of the resins of examples 2 and 4 to 5 are obviously superior to those of the resins of comparative examples 1 to 2, which shows that when methyl 3-methoxypropionate and propylene glycol butyl ether are compounded for use, the dissolving capacity of the resin can be obviously improved, so that the resin has good water dispersibility.
Secondly, the acrylic acid modified polyester dispersion resins prepared in examples 1 to 3 and comparative examples 3 to 6 are respectively used as resin dispersions, then polyester amino baking varnish is prepared according to the following formula, the performances of paint films obtained by the polyester amino baking varnish are tested, and the test results are shown in table 3.
The polyester amino baking varnish consists of the following components in parts by weight: 72 parts of resin dispersoid, 18 parts of CYMEL303 aqueous amino resin, 0.5 part of BYK-190 wetting dispersant, 0.2 part of BYK-022 defoaming agent, 0.2 part of Tego-410 flatting agent, 3 parts of propylene glycol methyl ether, 0.2 part of dimethylethanolamine and 5.9 parts of deionized water.
TABLE 3
As can be seen from the test results of table 3: in the paint films of the examples 1-3 and the comparative examples 3-4, the water resistance of the examples 1-3 is obviously better than that of the comparative examples 3-4, which shows that the ratio of the polyalcohol to the polyacid in the A-part polyester monomer influences the water resistance of the polyester, and the ratio of the polyalcohol to the polyacid is (1.05-1.15): the polyester synthesized by the proportion of 1 has better hydrolysis resistance. In the paint films of the embodiment 2 and the comparative examples 5 to 6, the comprehensive performance of the embodiment 2 is obviously superior to that of the comparative examples 5 to 6, and particularly the boiling resistance, which shows that the effect of simultaneously using the phosphorus-containing acrylic resin monomer B and the acrylic resin monomer C to graft and modify the polyester is better.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin is characterized by comprising the following components in parts by weight: 25-45 parts of A part polyester monomer, 1-5 parts of B part acrylic resin monomer, 5-15 parts of C part acrylic resin monomer, 3-7 parts of cosolvent, 0.2-1 part of initiator, 1-4 parts of neutralizer and 38-48 parts of deionized water; the A part polyester monomer comprises polyalcohol and polybasic acid; the B part acrylic resin monomer comprises at least one of methacrylic acid phosphate and acrylic acid epoxy phosphate; the C part acrylic resin monomer comprises at least one of acrylic acid, glycidyl versatate, methacrylic acid, isobornyl methacrylate, methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, styrene, butyl acrylate, butyl methacrylate, lauryl acrylate, lauryl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, hydroxybutyl acrylate and cyclohexyl methacrylate.
2. The boiling resistant phosphorus containing waterborne acrylic modified polyester dispersion resin of claim 1, wherein the polyol comprises at least one of 1,6 hexanediol, polycarbonate diol, methyl propylene glycol, neopentyl glycol, 1,4 butanediol, glycidyl versatate, trimethylolpropane.
3. The boiling resistant phosphorus containing waterborne acrylic modified polyester dispersion resin of claim 1, wherein the polyacid comprises at least one of phthalic anhydride, isophthalic acid, terephthalic acid, adipic acid, maleic anhydride, fumaric acid.
4. The boiling-resistant phosphorus-containing aqueous acrylic modified polyester dispersion resin according to claim 1, wherein the mass ratio of the polyhydric alcohol to the polybasic acid is (1.05-1.15): 1.
5. the boiling-resistant phosphorus-containing aqueous acrylic modified polyester dispersion resin of claim 1, wherein the cosolvent comprises methyl 3-methoxypropionate and butyl propylene glycol ether, and the mass ratio of methyl 3-methoxypropionate: and (3) 1 is propylene glycol butyl ether (1-2).
6. The boiling-resistant phosphorus-containing aqueous acrylic modified polyester dispersion resin of claim 1, wherein the cosolvent comprises methyl 3-methoxypropionate and butyl propylene glycol ether, and the mass ratio of methyl 3-methoxypropionate: propylene glycol butyl ether is 1.5: 1.
7. The boiling resistant phosphorus containing waterborne acrylic modified polyester dispersion resin of claim 1, wherein the initiator comprises at least one of benzoyl peroxide, tert-butyl peroxybenzoate, di-tert-butyl peroxide, tert-butyl peroxy-2-ethylhexanoate, dicumyl peroxide.
8. The boiling resistant phosphorus containing waterborne acrylic modified polyester dispersion resin of claim 1, wherein the neutralizing agent comprises at least one of triethylamine, dimethylethanolamine, ammonia.
9. The preparation method of the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersion resin according to any one of claims 1 to 8, comprising the following steps:
(1) synthesizing a polyester: putting the A part of polyester monomer into a reaction kettle, introducing nitrogen, heating to raise the temperature, starting stirring when the temperature is raised to 120-130 ℃, continuing to raise the temperature at the speed of 8-12 ℃/h after the temperature is raised to 160 ℃, keeping the temperature until the acid value is 4-8 mg/g (calculated by KOH) when the temperature is raised to 230 ℃, and then cooling to 160 ℃ and keeping the temperature;
(2) adding a cosolvent into the system in the step (1), adding a mixture consisting of the acrylic resin monomers of the B part and the acrylic resin monomers of the C part and an initiator with the dosage of 20-50% for 120-200 min, carrying out heat preservation reaction for 1-2 h, adding the rest of initiator, and carrying out heat preservation reaction for 2-2.5 h;
(3) and (3) cooling the reaction system obtained in the step (2) to 90 +/-2 ℃, adding a neutralizing agent, cooling to 80 +/-2 ℃ after the neutralization reaction is finished, then adding deionized water, and uniformly dispersing to obtain the boiling-resistant phosphorus-containing waterborne acrylic modified polyester dispersoid resin.
10. The use of the boiling-resistant phosphorus-containing aqueous acrylic modified polyester dispersion resin according to any one of claims 1 to 8 in an aqueous coating; preferably, the water-based paint is a water-based amino baking paint.
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Denomination of invention: A water resistant and phosphorus containing waterborne acrylic modified polyester dispersion resin and its preparation method and application Effective date of registration: 20231226 Granted publication date: 20230131 Pledgee: Qingyuan Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: GUANGDONG RITOP FINE CHEMICAL Co.,Ltd. Registration number: Y2023980074409 |