CN106497377A - Two-component waterborne polyurethane industrial paint with excellent physical properties and preparation method thereof - Google Patents
Two-component waterborne polyurethane industrial paint with excellent physical properties and preparation method thereof Download PDFInfo
- Publication number
- CN106497377A CN106497377A CN201610973781.1A CN201610973781A CN106497377A CN 106497377 A CN106497377 A CN 106497377A CN 201610973781 A CN201610973781 A CN 201610973781A CN 106497377 A CN106497377 A CN 106497377A
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- Prior art keywords
- component
- water
- physical properties
- excellent physical
- paint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003973 paint Substances 0.000 title claims abstract description 110
- 239000004814 polyurethane Substances 0.000 title claims abstract description 64
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 60
- 230000000704 physical effect Effects 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 239000000839 emulsion Substances 0.000 claims abstract description 31
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 23
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 23
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 13
- 239000011701 zinc Substances 0.000 claims abstract description 13
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims description 48
- -1 Sulfonate modified HDI trimer Chemical class 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 125000000524 functional group Chemical group 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 17
- 239000013530 defoamer Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 15
- 239000000049 pigment Substances 0.000 claims description 15
- 229920005749 polyurethane resin Polymers 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 14
- 229910000077 silane Inorganic materials 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000002318 adhesion promoter Substances 0.000 claims description 12
- 239000012467 final product Substances 0.000 claims description 11
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 239000002562 thickening agent Substances 0.000 claims description 8
- 239000000080 wetting agent Substances 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000009472 formulation Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920005989 resin Polymers 0.000 abstract description 29
- 239000011347 resin Substances 0.000 abstract description 29
- 238000001035 drying Methods 0.000 abstract description 16
- 230000007613 environmental effect Effects 0.000 abstract description 16
- 239000011527 polyurethane coating Substances 0.000 abstract description 15
- 239000006115 industrial coating Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 abstract description 7
- 239000006184 cosolvent Substances 0.000 abstract description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 1
- 239000000047 product Substances 0.000 description 36
- 238000012360 testing method Methods 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 21
- 229920001228 polyisocyanate Polymers 0.000 description 17
- 239000005056 polyisocyanate Substances 0.000 description 17
- 239000002994 raw material Substances 0.000 description 10
- 239000002253 acid Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 239000002270 dispersing agent Substances 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000013638 trimer Substances 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004945 emulsification Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- FYHXNYLLNIKZMR-UHFFFAOYSA-N calcium;carbonic acid Chemical compound [Ca].OC(O)=O FYHXNYLLNIKZMR-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 230000003678 scratch resistant effect Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000013022 formulation composition Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical compound O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 208000007578 phototoxic dermatitis Diseases 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920003009 polyurethane dispersion Polymers 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012970 tertiary amine catalyst Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 239000005028 tinplate Substances 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/222—Catalysts containing metal compounds metal compounds not provided for in groups C08G18/225 - C08G18/26
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
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- C08G18/227—Catalysts containing metal compounds of antimony, bismuth or arsenic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
- C08G18/622—Polymers of esters of alpha-beta ethylenically unsaturated carboxylic acids
- C08G18/6225—Polymers of esters of acrylic or methacrylic acid
- C08G18/6229—Polymers of hydroxy groups containing esters of acrylic or methacrylic acid with aliphatic polyalcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K13/02—Organic and inorganic ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/22—Oxides; Hydroxides of metals
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K5/544—Silicon-containing compounds containing nitrogen
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention provides a two-component aqueous polyurethane industrial paint with excellent physical properties, which takes aqueous hydroxyl acrylic resin emulsion and aqueous polyurethane hydroxyl resin as mixed hydroxyl resin as main film forming agents, adopts an environment-friendly organic bismuth and organic zinc composite catalyst and other assistants, takes sulfonate modified HDI tripolymer as a curing agent, can be uniformly dispersed without a cosolvent, and has excellent hardness and scratch resistance of a prepared paint film, and has super-strong adhesive force and impact resistance. The product of the invention belongs to a quick-drying water-based bi-component polyurethane coating product, the drying speed of the product is improved by more than three times compared with the drying speed of the conventional industrial coating product, the product has the outstanding environmental protection advantage, and the TVOC can be controlled below 65 g/L. The invention also provides a preparation method of the two-component waterborne polyurethane industrial paint with excellent physical properties.
Description
Technical field
The present invention relates to aqueous polyurethane coating field, the double-component aqueous poly- ammonia of more particularly to a kind of excellent physical properties
Ester industrial paint and preparation method thereof.
Background technology
Coating Water-borne modification is the main flow direction of world's paint development.With industrialization, the continuous propulsion of urbanization process, people
Gradually recognize that economic development can not start to pursue low stain even free of contamination industrial development mould at the cost of the environment
Formula.For adapting to environmental protection and the requirement of energy-conservation, the environment protecting water-based paint for developing low VOC becomes the inexorable trend of coating industry development.
The development speed of recent year water paint is very fast, and particularly industrial water paint demand is the most urgent.China's industry is applied
The annual requirement of material at 1,900,000 tons or so, wherein can with aqueous industrial coating substitute up to 1,200,000 tons, have huge potential
Market, it is contemplated that the development of water-based industrial paint will create huge social benefit while distinct economic is brought.
Letter high-performance environmentally-friendly aqueous industrial coating to be developed in the industry.However, in current domestic industry field, due to country
To paint environmental protection characteristic there is no special coercion policy, the place which uses also unlike house decoration is so high to environmental requirement, because
This, the field such as automobile coating, mechanized equipment paint, special anticorrosive paint, plastic paint, glass lacquer overwhelming majority is also using traditional solvent-borne type
Coating.
In the industrial coating market for obtaining tentative application, water-based industrial paint kind mainly has alkyd water paint, single group
Segregation urethane water paint, acrylic compounds water paint, epoxiess water-based industrial paint etc..Alkyd water paint good brightness but hardness is not high,
Antiseptic property is poor.Mono-component polyurethane water paint pliability is good, but hardness is not high, relatively costly.Acrylic acid aqueous paint hardness is good
But toughness is bad, poor adhesive force.Epoxy water-based industrial paint antiseptic property is good, but surface effect is bad, ornamental poor.So, existing
There is water-based industrial paint on the market all to there is mostly certain defect.
Content of the invention
For solving above-mentioned technical problem, the present invention provides a kind of double-component waterborne polyurethane industrial paint of excellent physical properties
And preparation method thereof, its paint film has that hardness is high, scratch resistance is strong, excellent impact resistance, adhesive force are strong, easy construction, health
The performance advantages such as environmental protection, while can be widely applied to decoration and the protection of all kinds of grounds such as metal, glass, plastic cement.
A kind of double-component waterborne polyurethane industrial paint of excellent physical properties, composed of the following components by weight percentage：
Component A
The percentage by weight sum of wherein component A is a hundred per cent.
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component is a hundred per cent.
Component A is with B component according to n (- NCO)：The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are mixed, i.e. A groups
The equivalent molar ratio of-OH the functional groups in-NCO functional groups and B component in point is 1.1～1.4.
The percentage by weight sum of wherein each component is a hundred per cent.
Preferably, described water based acrylic resin emulsion is matched somebody with somebody in coating with described water-based hydroxyl polyurethane resin
Weight proportion in side is 1.2～1.5.
Preferably, described water based acrylic resin emulsion is the production of Zhuhai Ji Li chemical enterprises company limited
WA-128A.
Preferably, described water-based hydroxyl polyurethane resin is produced for Wuhan Shiquanxing Polyurethane Technology Co., Ltd.
HPU-6240.
Preferably, described sulfonate modified HDI trimer is the Bayhydur XP 2655 of Bayer A.G's production
Firming agent.
Preferably, described aluminium zinc phosphomolybdate rust resisting pigment is the phosphomolybdic acid aluminum of Guangxi Xinjing Sci. ＆ Tech. Co., Ltd.'s production
Zinc.
Preferably, described alkoxy silane adhesion promoter is the Tego of German Evonik Degussa Corp.'s production
ADDID 900.
A kind of preparation method of the double-component waterborne polyurethane industrial paint of above-mentioned excellent physical properties, including following technique
Step：
I. prepare component A:Water, water based acrylic resin emulsion, water-based hydroxyl polyurethane tree is added in dispersion cylinder
Fat, dispersant, wetting agent, part defoamer, and carry out middling speed dispersion；It is slow added into titanium dioxide, Pulvis Talci, ultra-fine carbonic acid
Calcium, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, are added with water and rinse casing wall, disperse at a high speed 20～50 minutes to fineness≤50
Micron；Then organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane attachment are added under low dispersion rotating speed in
Power accelerator and the defoamer of surplus, middling speed disperse 20～40 minutes；Sampling detection finish fineness and viscosity, filter and package and obtain final product
Component A.
II. prepare B component:Sulfonate modified HDI trimer is added in dispersion cylinder, is filtered and packaged and is obtained final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out
Uniform mixing, stands 15min.
Further, the middling speed rate of dispersion in above-mentioned step I be 600～800r/min, in low dispersion rotating speed be 400
～600r/min, the scattered speed of high speed are 1000～1500r/min.
Further, the fineness of component A obtained in above-mentioned step I be 15～40um, viscosity be 70～120s (with apply -4
Cup measurement).
Water of the present invention is preferably deionized water.
The present invention has considered the selection of matrix resin, proportioning, the selection of firming agent, has optimized NCO/OH equivalent proportions, level
With color stuffing and interpolation functional environment-friendly rust resisting pigment, the species of catalyst and consumption, the species of adhesion promoter and consumption
Etc. Multiple factors.Hereinafter the mechanism of action of instant component is further described through：
1. with water based acrylic resin emulsion and aqueous polyurethane hydroxy resin as blending hydroxy resin, by formula
Optimize, determine optimal proportion of two kinds of hydroxy resins in dual-component aqueous polyurethane industrial coating hydroxy component, fundamentally
Ensure the remarkable physical property of water-based industrial paint and higher cost performance.
Similar with solvent-type double-component polyurethane coating preparation method, aqueous two-component polyurethane (2K-PU) coating master
To be made up of two components of aqueouss hydroxy-containing resin component and water dispersible polyisocyanate firming agent.Wherein, aqueouss hydroxyl
Base resin Composition is usually designed to containing a number of carboxyl, can provide certain moisture and dissipate surely in these carboxyls and into after salt
Qualitative, resin can be avoided to flocculate.Water-based hydroxyl resin can be emulsion (usually acrylic emulsion), or dispersion
Body (is divided into water soluble acrylic acid, water alcohol acid and polyester, aqueous polyurethane by molecular structure), and the former is generally using emulsion polymerization
Mode is prepared from, and the latter is then main in the presence of solvent by various modes (Raolical polymerizable, polycondensation, addition polymerization
Reaction etc.) it is prepared from, then by the way of certain wherein solvent will remove completely or still retain a small amount of solvent.
For water based acrylic resin, at present mainly comprising hydroxyl acrylic emulsion (also referred to as primary OH
Dispersion) and hydroxyl acrylic aqueous dispersion (also referred to as secondary hydroxyl groups dispersion) two big class.Generally, Hydroxylated acrylic resin emulsion
Relative molecular mass be significantly greater than hydroxyl acrylic aqueous dispersion resin, the rate of drying of coating and pliability are better than the latter,
In addition its relative molecular mass is big, itself there is certain mechanical and physical performance, therefore, if the coating of same intensity, hydroxyl need to be obtained
The hydroxy radical content that crosslinking is participated in needed for base emulsion acrylic resin can be reduced, correspondingly required supporting aqueouss polyisocyanates
The consumption of firming agent also can be reduced therewith, so as to can effectively reduce the material cost of coating products.
It is its water compared to the subject matter of water based acrylic resin emulsion, water alcohol acid and polyester hydroxyl resin
Numerical solution is poor, but the richness of its coating, is obviously better than acrylic-type to the wettability of color stuffing.Aqueous polyurethane hydroxyl
Base resin due to some performances with mono-component polyurethane resin, 2K-PU coating prepared therefrom, the pliability of its film,
The richness of impact resistance and coating is obviously better than acrylic-type, but its manufacturing cost is high, while the Bao Sebao of coating
Photosensitiveness is excellent not as acrylic compounds.Therefore, from cost performance angle, water based acrylic resin should prepare aqueouss from now on
Principal item selected by 2K-PU coating hydroxy components.Aqueous polyurethane, water alcohol acid and polyester polyol resin are then mainly
Meet particular characteristic demand and select.
The present invention was both filled with water based acrylic resin emulsion and aqueous polyurethane hydroxy resin as blending hydroxy resin
Divide water based acrylic resin emulsion is make use of in the strong point of the aspects such as rate of drying, weatherability, adhesive force, manufacturing cost,
It is excellent that the performances such as pliability, impact resistance and the painting floor height richness of aqueous polyurethane hydroxy resin advantage is effectively played again
Gesture, so that dual-component aqueous polyurethane industrial paint hydroxy component fundamentally ensure that the performance brilliance of water-based industrial paint.
WA- of the water based acrylic resin emulsion of the present invention from the production of Zhuhai Ji Li chemical enterprises company limited
128A, HPU-6240 of the water-based hydroxyl polyurethane resin from Wuhan Shiquanxing Polyurethane Technology Co., Ltd.'s production.WA-
128A is a by latex particle structure design, synthesizes the hydroxyl acrylic emulsion for obtaining using core-shell emulsion polymerization technology.
The aromatic waterborne hydroxyl polyurethane dispersion that HPU-6240 is a glossiness, pliability is good, adhesive force is strong, hardness is high.
Blending is being carried out with water-based hydroxyl polyurethane resin HPU-6240 to water based acrylic resin emulsion WA-128A
In experimental formula, present invention research finds that the weight of water based acrylic resin emulsion and aqueous polyurethane hydroxy resin is matched somebody with somebody
Than directly affecting the chemical constitution of coating itself and the physical and chemical performance of paint film；When water based acrylic resin emulsion
With weight proportion of the aqueous polyurethane hydroxy resin in formulation for coating material be 1.2～1.5 when, it is possible to obtain paint film combination property is excellent
Different water-based industrial paint product.
2. with sulfonate modified HDI trimer as firming agent, it is not necessary to which cosolvent can achieve manual stirring, operate more square
Just, dispersion evenly, is remarkably improved hardness, scratch resistance and the rate of drying of dual-component aqueous polyurethane film.
For waterborne two-component polyurethane coating system, it is to determine film to select suitable polyisocyanate curing agent
The key factor of energy.Firming agent for waterborne two-component polyurethane coating can be divided into two classes：Unmodified polyisocyanates and
Modified polyisocyanates.Unmodified polyisocyanates is difficult uniformly to mix with hydroxy component, pole under conditions of stirring at low speed
Easily there is the phenomenon being separated, thus significantly limit its application in dual-component aqueous polyurethane system.Such as by which
For bicomponent system, it is necessary to as far as possible using the polyisocyanates that viscosity and reactivity are low, or diluted with solvent, to reduce which
Viscosity.
Want to make polyisocyanate component and hydroxy component uniformly mix, most basic approach is exactly polyisocyanates water
Property.Generally there are two methods realize this target, i.e.,：Outer emulsion process and internal emulsification method.The former be using ion-type or
Nonionic emulsifier, is wrapped in polyisocyanates surface by physics mode and disperses in water realizing which, but there is breast
Agent consumption is big, granule, compared with the thick, shortcomings such as working life is short, resistance to water is not good, thus is applied less after dispersion.In order to overcome
The defect of above outer emulsion process, carries out the research of chemical modification, i.e. internal emulsification in recent years using hydrophilic component to polyisocyanates
More, these hydrophilic components have the good compatibility with polyisocyanates, contribute to firming agent in water phase as internal emulsifying agent
In dispersion.
The present invention is firming agent from the Bayhydur XP 2655 of Bayer Material Science companies.
Bayhydur XP 2655 are the sulfonate modified HDI trimers of Beyer Co., Ltd's third generation, it is not necessary to which cosolvent can achieve handss
Work is stirred, more convenient operation, and dispersion evenly, can significantly improve the compatibility of polyisocyanate curing agent and hydroxy component；This
Firming agent is made with being arranged in pairs or groups as blending hydroxy component with water-based hydroxyl acrylic emulsion resin with aqueous polyurethane hydroxy resin
Used time, optimal hardness of film, optimum scratch resistance and most fast rate of drying can be obtained.
3. optimize NCO/OH equivalent proportions, obtain the optimum balance of the dry speed of paint film, hardness and scratch resistance, while realizing to double
The effective control of component Compositions of Water-borne PU Coatings cost.
In dual-component aqueous polyurethane industrial paint systems, the theoretical value 1 of General N CO and the ratio of OH, but
In practical application, its ratio have to be larger than 1.This is because in coating drying process, NCO except with water-base resin in OH
Reaction is outer, also produces CO with water reaction2Gas, this are that the industrial paint of bi-component waterborne containing NCO produces bubble in work progress
A major reason；Meanwhile, NCO can be also reacted with amine with other functional group reactionses, such as NCO, generate urea.—NCO
Very sensitive to water with the reaction of OH, therefore, in waterborne two-component polyurethane coating system, although waterborne curing agent is all passed through
Respective handling, make that its NCO part is as far as possible few contact with water, to ensure that its OH as far as possible and in resin reacts, but it and
The reaction of water is still inevitable.The response speed of polyisocyanates and blending resin hydroxyl compared with fast with the response speed of water,
But isocyanates are always consumed a part, amine and carbon dioxide is generated with water reaction, amine generates urea with isocyanates reaction again；
Additionally, the reaction of NCO and OH is multistep reaction, the reaction later stage is more arrived, reaction rate is slower, with reaction later stage viscosity
Raise, there are some OH to be difficult to contact with NCO and cause OH to remain.The residual of OH, will cause not to the performance of film
Profit affects, and such as makes resistance to water be deteriorated.In order to realize the abundant reaction of hydroxyl as far as possible, when the proportioning of NCO and OH is designed,
Have to allow NCO excess.As NCO/OH ratios increase, i.e., as curing agent content increases, hardness of film increase, attachment
Power is improved；And the firming agent of lower content is conducive to the shortening of surface drying time, the prolongation of working life and the improvement of appearance of film.
Consider impact of the NCO/OH proportionings size to each side, waterborne two-component polyurethane coating product system according to the present invention
In, it is 1.1～1.4 to optimize NCO/OH equivalent proportions, both effectively controls the formulation cost of waterborne two-component polyurethane coating, and
Obtain the optimum balance of the dry speed of paint film, hardness and chemical-resistant.
4. the composite catalyst of creatively use environment friendly organo-bismuth and organic zinc, aggregate balancing drying varniss speed
Degree, construction time limit and properties, reach and are obviously improved the response speed of isocyanates and hydroxyl, effectively suppress water and Carbimide.
The purpose of the reaction of ester, while being greatly reduced the formation of bubble, promoting the formation of aqueous polyurethane coating high-quality paint film.
By NCO and OH, crosslinking curing is formed with cubic network knot waterborne two-component polyurethane coating at normal temperatures
The film of structure.Due to the high reaction activity of NCO, polyisocyanates is reacting the same of generation carbamate with hydroxy component
When, it is also easy to react with the water containing active hydrogen and release carbon dioxide.The side reaction causes coating to produce many defects, such as living
The change phase is short, foaming, high cost, and film crosslink density, gloss, thickness declines etc..Select suitable catalyst and its consumption
It is a reaction for promoting isocyanates and hydroxy component, reduces side reaction between polyisocyanates and water, improves film
The important channel of energy.
The catalyst that commonly uses in polyurethane coating typically has two class of tertiary amines and metallo-organic compound.Tertiary amine catalyst
To promoting NCO especially effective with the reaction of water, it is generally used for preparing polyurethane foam plastics.Metallo-organic compound
Catalytic reaction activity to NCO and OH is stronger with water than NCO, is widely used in polyurethane system；Wherein, using more
Universal metallo-organic compound is organo-tin compound.However, with the increasingly increase of environmental protection requirement, organotin chemical combination
The use of thing has been increasingly subject to the restriction of environmental protection.
Creatively use environment friendly organo-bismuth of the invention and the composite catalyst of organic zinc, use it for bi-component
Aqueous polyurethane coating system.Organo-bismuth/zinc composite catalyst follows second- order reaction kinetics rule to the reaction of NCO and OH
Rule, adding for the catalyst can be by the apparent activation energy of NCO and OH reactions by 52152kJ mol-1It is down to 47132kJ m
ol-1, accelerate the response speed of NCO and OH, inhibit the reaction of NCO and water to a certain extent.Present invention research is sent out
Existing, the consumption of the catalyst has significantly impact to aqueous polyurethane coating with bi component system.When additive capacity be 0.2%～
When 0.4%, it is possible to obtain the aggregate balancing of the aspect such as longer construction time limit, very fast surface drying speed and excellent film performance.
5. functional environment-friendly rust resisting pigment with color stuffing and is added by level, strengthens double-component waterborne polyurethane coating paint film
Consistency, improve the antirust, anti-corrosive performance of paint film, gloss of film degree controlled in target gloss range, and is further improved
The cost performance of double-component waterborne polyurethane industrial coating.
In a kind of formulation composition of the double-component waterborne polyurethane industrial paint of excellent physical properties, color stuffing plays skeleton
Effect, but different color stuffings has different particle diameters and mode of appearance.If by the color stuffing of different-grain diameter by appropriate
Ratio collocation mixing, is dispersed in water-based industrial paint system, then, after water-based industrial paint construction film forming, can form bead filling
The relatively compact state of Yu great Qiu.
The color stuffing adopted in formula have titanium dioxide, Pulvis Talci, calcium carbonate superfine powder, sericite in powder, etc..Consider various face
Actual efficacy of the filler in the middle of formula, carries out thickness level with collocation to which, and the additional proportion of each component is adjusted to most
Good, it is ensured that the consistency after paint film film forming.
The main body rust resisting pigment adopted in the present invention is the patented product " phosphorus of Guangxi Xinjing Sci. ＆ Tech. Co., Ltd.'s independent research
Molybdic acid aluminum zinc ".This is a kind of functional inorganic chemical industry environmental protection antirust new material, with nontoxic, rust-preventing characteristic good, be easy to mix colours, point
The advantages of scattered property is good, the suitability to base material are wide, moderate, may replace foreign same type product, particularly replace Plumbum preparatium etc.
Poisonous rust resisting pigment.Application of the aluminium zinc phosphomolybdate in formula, can largely improve the antirust, anti-corrosive performance of paint film.
6. the selection of adhesion promoter and the optimization of consumption
In double-component waterborne polyurethane industrial paint system, add alkoxy silane as paint film adhesion accelerator, be
Coating effective way to substrate adhesions such as metal, plastic cement, glass is effectively lifted.It is public that the present invention wins wound Degussa from Germany
The Tego ADDID 900 of department's production are adhesion promoter.Tego ADDID 900 are a kind of alkoxyls containing amido functional group
Silane, can be widely applied to aqueous coating formulation, effectively improve water paint in metal, silicate, pottery and oxidized surface
Adhesive force (aluminium, glass, steel etc.).
The consumption of adhesion promoter, is directly connected to the tack of water-based industrial paint.Present invention research discovery, works as alcoxyl
When the additive capacity of base silane Tego ADDID 900 reaches 0.6%～0.8% (percentage by weight) in formulation for coating material, double groups
The film adhesive of part aqueous polyurethane industrial paint product, can lift 1 grade even 0 grade (according to standard GB/T/T
9286-1998), the firm attachment to various grounds is realized.
Beneficial effects of the present invention are as follows：
(1) product of the present invention has got important breakthrough in terms of hardness of paint film with scratch resistant performance.Hardness of paint film will be much
Higher than water-based industrial paint product on market general level (referring to《HG/T 3828-2006》) B, 2H is reached, with solvent borne industry
The hardness of paint film of coating is in same class.The scratch resistant performance of paint film is also significantly improved, and reaching can be with solvent
The damage resistant effect that type industrial coating matches in excellence or beauty；According to 9729 standards of GB/T regulation, on scriber, given load 100g is scratched
Test, testing result reach the rank of " scuffing ".
(2) product of the present invention has superpower paint film adhesion.By the product painting in a variety of bed material surfaces, bag
Include on various types of base materials such as tinplate, cold bundle steel plate, galvanized sheet, aluminium-plastic panel, plastic cement, glass, foundation standard GB/T/
T 9286-1998 detect that to the paint film adhesion of the product product paint film adhesion can reach 1 grade even 0 grade.
(3) product of the present invention has excellent paint film resistance to impact.According to ISO 6272-2：2002 regulation test bi-components
The impact resistance of aqueous polyurethane industrial paint film, as a result shows：When shock height is up to 50cm, paint film still without coming off,
Without cracking phenomena.
(4) product of the present invention belongs to quick-dry type aqueous polyurethane coating with bi component product, the more conventional industry of its rate of drying
The rate of drying of coating products improves more than three times, and surface drying time was substantially shortened with the time of doing solid work.According to Chinese people's republicanism
State's building industry industry standard《JG/T224-2007 construction steel structure anticorrosive paints》Require, construction steel structure anticorrosive paint
The surface drying time of product is respectively 4h and 24h with the time of doing solid work.The surface drying time of product of the present invention be 20min, far smaller than in
The reaching standard time (4h) of magnificent people's republic's building industry Industry code requirements；Which does solid work the time for 8h, and the only Chinese people are altogether
With the reaching standard time (24h) of state's building industry Industry code requirements 1/3rd.
(5) product of the present invention itself has prominent environment-friendly advantage.Product of the present invention is applied using dual-component aqueous polyurethane
Material paint technology, reduces the consumption with the zest volatile matter of work progress in paint can, product VOC is greatly reduced
Content.The TVOC of this water-based industrial paint product can be controlled in below 65g/L, well below the most stringent of environmental protection mark of coating industry
The Limited Doses 250g/L that accurate (HJ/T201 2005) is required, so as to advantage highlights the ring of dual-component aqueous polyurethane industrial coating
Guaranteed cost.
(6) product of the present invention is with water based acrylic resin emulsion and aqueous polyurethane hydroxy resin as blending hydroxyl group
Point, with easily scattered sulfonate modified HDI trimer as polyisocyanate component, both component compatibilities are good, mixing is easy.
When being used in mixed way of bi-component product is being carried out, dispersion at a high speed is being required no, only need to simply stirred
Uniform with multicyanate esters component mixes, thus easy construction, workable.
(7) product of the present invention meets national environmental standard HJ/T20l-2005《Environmental labelling product technical requirements：Aqueouss are applied
Material》Comprehensive requirement.
Specific embodiment
A kind of double-component waterborne polyurethane industrial paint of excellent physical properties, composed of the following components by weight percentage：
Component A
The percentage by weight sum of wherein component A is a hundred per cent.
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component is a hundred per cent.
Component A is with B component according to n (- NCO)：The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are mixed, i.e. A groups
The equivalent molar ratio of-OH the functional groups in-NCO functional groups and B component in point is 1.1～1.4.
The percentage by weight sum of wherein each component is a hundred per cent.
Described water based acrylic resin emulsion is with described water-based hydroxyl polyurethane resin in formulation for coating material
Weight proportion is 1.2～1.5.
Described water based acrylic resin emulsion is the WA-128A of Zhuhai Ji Li chemical enterprises company limited production.
Described water-based hydroxyl polyurethane resin is the HPU- of Wuhan Shiquanxing Polyurethane Technology Co., Ltd.'s production
6240.
Described sulfonate modified HDI trimer is 2655 firming agent of Bayhydur XP of Bayer A.G's production.
Described aluminium zinc phosphomolybdate rust resisting pigment is the aluminium zinc phosphomolybdate of Guangxi Xinjing Sci. ＆ Tech. Co., Ltd.'s production.
Described alkoxy silane adhesion promoter is the Tego ADDID 900 of German Evonik Degussa Corp.'s production.
The preparation method of the double-component waterborne polyurethane industrial paint of above-mentioned excellent physical properties, walks including following technique
Suddenly：
I. prepare component A:Water, water based acrylic resin emulsion, water-based hydroxyl polyurethane tree is added in dispersion cylinder
Fat, dispersant, wetting agent, part defoamer, and carry out middling speed dispersion；It is slow added into titanium dioxide, Pulvis Talci, ultra-fine carbonic acid
Calcium, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, are added with water and rinse casing wall, disperse at a high speed 20～50 minutes to fineness≤50
Micron；Then organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane attachment are added under low dispersion rotating speed in
Power accelerator and the defoamer of surplus, middling speed disperse 20～40 minutes；Sampling detection finish fineness and viscosity, filter and package and obtain final product
Component A.
II. prepare B component:Sulfonate modified HDI trimer is added in dispersion cylinder, is filtered and packaged and is obtained final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out
Uniform mixing, stands 15min.
Further, the middling speed rate of dispersion in above-mentioned step I be 600～800r/min, in low dispersion rotating speed be 400
～600r/min, the scattered speed of high speed are 1000～1500r/min.
Further, the fineness of component A obtained in above-mentioned step I be 15～40um, viscosity be 70～120s (with apply -4
Cup measurement).
With reference to specific embodiment to being further described to application scheme：
Embodiment one：
A kind of double-component waterborne polyurethane industrial paint of excellent physical properties, composed of the following components by weight percentage：
Component A
The percentage by weight sum of wherein component A is a hundred per cent.
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component (firming agent) is a hundred per cent.
Component A (mian paint) is with B component (firming agent) according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.3 are mixed
Close, i.e., the equivalent molar ratio of-NCO functional groups in component A and the-OH functional groups in B component is 1.3.
Prepare the processing step of the double-component waterborne polyurethane industrial paint of above-mentioned excellent physical properties：
I. prepare component A:Raw material is weighed up by said components percentage by weight, and water, water-based hydroxyl third is added in dispersion cylinder
Olefin(e) acid resin emulsion, water-based hydroxyl polyurethane resin, dispersant, wetting agent, part defoamer, and carry out 600～800r/ of middling speed
Min disperses；Be slow added into titanium dioxide, Pulvis Talci, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, with water plus
Enter and rinse casing wall, 1000～1500r/min disperses 20～50 minutes to fineness≤50 micron at a high speed；Then low dispersion rotating speed in
Organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane adhesion promoter is added under (400～600r/min)
With the defoamer of surplus, 600～800r/min of middling speed dispersions 20～40 minutes；Sampling detection finish fineness and viscosity, if finished product
It is as qualified when 15～40um, viscosity are 70～120s that fineness reaches, and component A is obtained.
II. prepare B component:Raw material is weighed up by said components percentage by weight, and sulfonate modified HDI is added in dispersion cylinder
Trimer, filters and packages and obtains final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out
Uniform mixing, stands 15min.
Testing result：1) hardness of paint film is high, and testing result is 2H.2) excellent performance is scratched.Enter according to 9729 standards of GB/T
Row Scratch Test, testing result are " scuffing ".3) there is superpower paint film adhesion, adhesive force is 1 grade.4) have excellent
Resistance to impact, when shock height is up to 50cm, paint film is without coming off, without cracking phenomena.5) product environmental protection characteristic is projected, and TVOC is
58g/L.
Embodiment two：
A kind of double-component waterborne polyurethane industrial paint of excellent physical properties, composed of the following components by weight percentage：
Component A
The percentage by weight sum of wherein component A is a hundred per cent.
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component (firming agent) is a hundred per cent.
Component A (mian paint) is with B component (firming agent) according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.3 are mixed
Close, i.e., the equivalent molar ratio of-NCO functional groups in component A and the-OH functional groups in B component is 1.3.
Prepare the processing step of the double-component waterborne polyurethane industrial paint of above-mentioned excellent physical properties：
I. prepare component A:Raw material is weighed up by said components percentage by weight, and water, water-based hydroxyl third is added in dispersion cylinder
Olefin(e) acid resin emulsion, water-based hydroxyl polyurethane resin, dispersant, wetting agent, part defoamer, and carry out 600～800r/ of middling speed
Min disperses；Be slow added into titanium dioxide, Pulvis Talci, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, with water plus
Enter and rinse casing wall, 1000～1500r/min disperses 20～50 minutes to fineness≤50 micron at a high speed；Then low dispersion rotating speed in
Organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane adhesion promoter is added under (400～600r/min)
With the defoamer of surplus, 600～800r/min of middling speed dispersions 20～40 minutes；Sampling detection finish fineness and viscosity, if finished product
It is as qualified when 15～40um, viscosity are 70～120s that fineness reaches, and component A is obtained.
II. prepare B component:Raw material is weighed up by said components percentage by weight, and sulfonate modified HDI is added in dispersion cylinder
Trimer, filters and packages and obtains final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out
Uniform mixing, stands 15min.
Testing result：1) hardness of paint film is high, and testing result is 2H.2) excellent performance is scratched.Enter according to 9729 standards of GB/T
Row Scratch Test, testing result are " scuffing ".3) there is superpower paint film adhesion, adhesive force is 1 grade.4) have excellent
Resistance to impact, when shock height is up to 50cm, paint film is without coming off, without cracking phenomena.5) product environmental protection characteristic is projected, and TVOC is
60g/L.
Embodiment three：
A kind of double-component waterborne polyurethane industrial paint of excellent physical properties, composed of the following components by weight percentage：
Component A
The percentage by weight sum of wherein component A is a hundred per cent.
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component (firming agent) is a hundred per cent.
Component A (mian paint) is with B component (firming agent) according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.3 are mixed
Close, i.e., the equivalent molar ratio of-NCO functional groups in component A and the-OH functional groups in B component is 1.3.
Prepare the processing step of the double-component waterborne polyurethane industrial paint of above-mentioned excellent physical properties：
I. prepare component A:Raw material is weighed up by said components percentage by weight, and water, water-based hydroxyl third is added in dispersion cylinder
Olefin(e) acid resin emulsion, water-based hydroxyl polyurethane resin, dispersant, wetting agent, part defoamer, and carry out 600～800r/ of middling speed
Min disperses；Be slow added into titanium dioxide, Pulvis Talci, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, with water plus
Enter and rinse casing wall, 1000～1500r/min disperses 20～50 minutes to fineness≤50 micron at a high speed；Then low dispersion rotating speed in
Organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane adhesion promoter is added under (400～600r/min)
With the defoamer of surplus, 600～800r/min of middling speed dispersions 20～40 minutes；Sampling detection finish fineness and viscosity, if finished product
It is as qualified when 15～40um, viscosity are 70～120s that fineness reaches, and component A is obtained.
II. prepare B component:Raw material is weighed up by said components percentage by weight, and sulfonate modified HDI is added in dispersion cylinder
Trimer, filters and packages and obtains final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out
Uniform mixing, stands 15min.
Testing result：1) hardness of paint film is high, and testing result is 2H.2) excellent performance is scratched.Enter according to 9729 standards of GB/T
Row Scratch Test, testing result are " scuffing ".3) there is superpower paint film adhesion, adhesive force is 0 grade.4) have excellent
Resistance to impact, when shock height is up to 50cm, paint film is without coming off, without cracking phenomena.5) product environmental protection characteristic is projected, and TVOC is
62g/L.
Example IV：
A kind of double-component waterborne polyurethane industrial paint of excellent physical properties, composed of the following components by weight percentage：
Component A
The percentage by weight sum of wherein component A is a hundred per cent.
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component (firming agent) is a hundred per cent.
Component A (mian paint) is with B component (firming agent) according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.3 are mixed
Close, i.e., the equivalent molar ratio of-NCO functional groups in component A and the-OH functional groups in B component is 1.3.
Prepare the processing step of the double-component waterborne polyurethane industrial paint of above-mentioned excellent physical properties：
I. prepare component A:Raw material is weighed up by said components percentage by weight, and water, water-based hydroxyl third is added in dispersion cylinder
Olefin(e) acid resin emulsion, water-based hydroxyl polyurethane resin, dispersant, wetting agent, part defoamer, and carry out 600～800r/ of middling speed
Min disperses；Be slow added into titanium dioxide, Pulvis Talci, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, with water plus
Enter and rinse casing wall, 1000～1500r/min disperses 20～50 minutes to fineness≤50 micron at a high speed；Then low dispersion rotating speed in
Organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane adhesion promoter is added under (400～600r/min)
With the defoamer of surplus, 600～800r/min of middling speed dispersions 20～40 minutes；Sampling detection finish fineness and viscosity, if finished product
It is as qualified when 15～40um, viscosity are 70～120s that fineness reaches, and component A is obtained.
II. prepare B component:Raw material is weighed up by said components percentage by weight, and sulfonate modified HDI is added in dispersion cylinder
Trimer, filters and packages and obtains final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out
Uniform mixing, stands 15min.
Testing result：1) hardness of paint film is high, and testing result is 2H.2) excellent performance is scratched.Enter according to 9729 standards of GB/T
Row Scratch Test, testing result are " scuffing ".3) there is superpower paint film adhesion, adhesive force is 0 grade.4) have excellent
Resistance to impact, when shock height is up to 50cm, paint film is without coming off, without cracking phenomena.5) product environmental protection characteristic is projected, and TVOC is
63g/L.
Embodiment five：
A kind of double-component waterborne polyurethane industrial paint of excellent physical properties, composed of the following components by weight percentage：
Component A
The percentage by weight sum of wherein component A is a hundred per cent.
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component (firming agent) is a hundred per cent.
Component A (mian paint) is with B component (firming agent) according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.3 are mixed
Close, i.e., the equivalent molar ratio of-NCO functional groups in component A and the-OH functional groups in B component is 1.3.
Prepare the processing step of the double-component waterborne polyurethane industrial paint of above-mentioned excellent physical properties：
I. prepare component A:Raw material is weighed up by said components percentage by weight, and water, water-based hydroxyl third is added in dispersion cylinder
Olefin(e) acid resin emulsion, water-based hydroxyl polyurethane resin, dispersant, wetting agent, part defoamer, and carry out 600～800r/ of middling speed
Min disperses；Be slow added into titanium dioxide, Pulvis Talci, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, with water plus
Enter and rinse casing wall, 1000～1500r/min disperses 20～50 minutes to fineness≤50 micron at a high speed；Then low dispersion rotating speed in
Organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane adhesion promoter is added under (400～600r/min)
With the defoamer of surplus, 600～800r/min of middling speed dispersions 20～40 minutes；Sampling detection finish fineness and viscosity, if finished product
It is as qualified when 15～40um, viscosity are 70～120s that fineness reaches, and component A is obtained.
II. prepare B component:Raw material is weighed up by said components percentage by weight, and sulfonate modified HDI is added in dispersion cylinder
Trimer, filters and packages and obtains final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out
Uniform mixing, stands 15min.
Testing result：1) hardness of paint film is high, and testing result is 3H.2) excellent performance is scratched.Enter according to 9729 standards of GB/T
Row Scratch Test, testing result are " scuffing ".3) there is superpower paint film adhesion, adhesive force is 0 grade.4) have excellent
Resistance to impact, when shock height is up to 50cm, paint film is without coming off, without cracking phenomena.5) product environmental protection characteristic is projected, and TVOC is
64g/L.
Above-mentioned preferred implementation should be regarded as the illustration of application scheme embodiment, all and application scheme thunder
Technology deduction that is same, making approximately or based on this, replacement, improvement etc., are regarded as the protection domain of this patent.
Claims (10)
1. the double-component waterborne polyurethane industrial paint of a kind of excellent physical properties, it is characterised in that by weight percentage by following
Group is grouped into：
Component A
The percentage by weight sum of wherein component A is a hundred per cent；
B component
Sulfonate modified HDI trimer 100%
The percentage by weight sum of wherein B component is a hundred per cent；
Component A is with B component according to n (- NCO)：The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are mixed, i.e., in component A
- NCO functional groups and B component in the equivalent molar ratio of-OH functional groups be 1.1～1.4；
The percentage by weight sum of wherein each component is a hundred per cent.
2. the double-component waterborne polyurethane industrial paint of excellent physical properties according to claim 1, it is characterised in that described
Weight proportion of the water based acrylic resin emulsion with described water-based hydroxyl polyurethane resin in formulation for coating material be 1.2
～1.5.
3. the double-component waterborne polyurethane industrial paint of excellent physical properties according to claim 1, it is characterised in that described
Water based acrylic resin emulsion be Zhuhai Ji Li chemical enterprises company limited production WA-128A.
4. the double-component waterborne polyurethane industrial paint of excellent physical properties according to claim 1, it is characterised in that described
Water-based hydroxyl polyurethane resin be Wuhan Shiquanxing Polyurethane Technology Co., Ltd. production HPU-6240.
5. the double-component waterborne polyurethane industrial paint of excellent physical properties according to claim 1, it is characterised in that described
Sulfonate modified HDI trimer be Bayer A.G production 2655 firming agent of Bayhydur XP.
6. the double-component waterborne polyurethane industrial paint of excellent physical properties according to claim 1, it is characterised in that described
Aluminium zinc phosphomolybdate rust resisting pigment be Guangxi Xinjing Sci. ＆ Tech. Co., Ltd. production aluminium zinc phosphomolybdate.
7. the double-component waterborne polyurethane industrial paint of excellent physical properties according to claim 1, it is characterised in that described
Alkoxy silane adhesion promoter be the production of German Evonik Degussa Corp. Tego ADDID 900.
8. the preparation of the double-component waterborne polyurethane industrial paint of the excellent physical properties described in a kind of claim 1-7 any one
Method, it is characterised in that comprise the following steps that：
I. prepare component A:In dispersion cylinder add water, water based acrylic resin emulsion, water-based hydroxyl polyurethane resin, point
Powder, wetting agent, part defoamer, and carry out middling speed dispersion；It is slow added into titanium dioxide, Pulvis Talci, calcium carbonate superfine powder, thin,tough silk cloud
Female powder, aluminium zinc phosphomolybdate rust resisting pigment, are added with water and rinse casing wall, disperse at a high speed 20～50 minutes to fineness≤50 micron；So
In organo-bismuth/zinc composite catalyst, levelling agent, thickening agent, alkoxy silane adhesive force is added to promote under low dispersion rotating speed afterwards
Agent and the defoamer of surplus, middling speed disperse 20～40 minutes；Sampling detection finish fineness and viscosity, filter and package and obtain final product component A.
II. prepare B component:Sulfonate modified HDI trimer is added in dispersion cylinder, is filtered and packaged and is obtained final product B component.
III. by obtained component A with B component according to n (- NCO):The NCO/OH equivalent proportions of n (- OH)=1.1～1.4 are carried out uniformly
Mixing, stands 15min.
9. the preparation method of the double-component waterborne polyurethane industrial paint of a kind of excellent physical properties according to claim 8,
Characterized in that, middling speed rate of dispersion in described step I is 600～800r/min, in low dispersion rotating speed be 400～
600r/min, the scattered speed of high speed are 1000～1500r/min.
10. the preparation method of the double-component waterborne polyurethane industrial paint of a kind of excellent physical properties according to claim 8,
Characterized in that, the fineness of component A obtained in step I is 15～40um, viscosity applies -4 glasss and is measured as 70～120s.
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| CN107022293A (en) * | 2017-05-02 | 2017-08-08 | 沈阳化工大学 | One kind can paint environment-friendly interior wall coating |
| CN107629652A (en) * | 2017-09-15 | 2018-01-26 | 立邦工业涂料(上海)有限公司 | A kind of water-based paint compositions, preparation method and applications |
| CN108102450A (en) * | 2017-12-28 | 2018-06-01 | 苏州德达特种涂料有限公司 | A kind of bi-component waterborne ceramic paint and preparation method thereof |
| CN108727921A (en) * | 2018-05-04 | 2018-11-02 | 河北晨阳工贸集团有限公司 | Aqueous protective paint of environment-friendly type shallow water well conduit and preparation method thereof |
| CN109852222A (en) * | 2019-01-16 | 2019-06-07 | 中山蓝海洋水性涂料有限公司 | A kind of fire protection flame retarding molding sand face aqueous polyurethane finishing coat and preparation method thereof |
| CN110922876A (en) * | 2019-12-13 | 2020-03-27 | 广东四方威凯新材料有限公司 | Water-based plastic paint and preparation method thereof |
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| CN111944409A (en) * | 2020-08-27 | 2020-11-17 | 东来涂料技术（上海）股份有限公司 | Water-based two-component polyurethane coating and preparation method thereof |
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| CN113956766A (en) * | 2021-11-03 | 2022-01-21 | 万华化学集团股份有限公司 | Long-activation-period water-based bi-component polyurethane coating and preparation method and application thereof |
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| CN112795256A (en) * | 2020-12-31 | 2021-05-14 | 广东爱上体育产业股份有限公司 | Water-based double-component anti-yellowing strong stain-resistant runway marking paint and preparation method thereof |
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| CN116285526A (en) * | 2023-02-07 | 2023-06-23 | 福建省三棵树新材料有限公司 | High-adhesion double-component white primer for magnesium oxide and preparation method thereof |
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