CN110734685A - low-temperature curing resin anticorrosive paint - Google Patents
low-temperature curing resin anticorrosive paint Download PDFInfo
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- CN110734685A CN110734685A CN201911085100.8A CN201911085100A CN110734685A CN 110734685 A CN110734685 A CN 110734685A CN 201911085100 A CN201911085100 A CN 201911085100A CN 110734685 A CN110734685 A CN 110734685A
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- 229920005989 resin Polymers 0.000 title claims abstract description 40
- 239000011347 resin Substances 0.000 title claims abstract description 40
- 238000013035 low temperature curing Methods 0.000 title claims abstract description 26
- 239000003973 paint Substances 0.000 title claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 67
- 238000001723 curing Methods 0.000 claims abstract description 51
- 239000003822 epoxy resin Substances 0.000 claims abstract description 32
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 32
- 239000002904 solvent Substances 0.000 claims abstract description 31
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 244000226021 Anacardium occidentale Species 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 9
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 9
- -1 aromatic isocyanate Chemical class 0.000 claims abstract description 9
- 125000003118 aryl group Chemical group 0.000 claims abstract description 9
- 235000020226 cashew nut Nutrition 0.000 claims abstract description 9
- 239000012948 isocyanate Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- 239000000654 additive Substances 0.000 claims description 22
- 230000000996 additive effect Effects 0.000 claims description 22
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 239000003431 cross linking reagent Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 14
- 229910021645 metal ion Inorganic materials 0.000 claims description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000049 pigment Substances 0.000 claims description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 5
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 5
- 239000002518 antifoaming agent Substances 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000007822 coupling agent Substances 0.000 claims description 5
- 239000003085 diluting agent Substances 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 229910021485 fumed silica Inorganic materials 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 239000004645 polyester resin Substances 0.000 claims description 5
- 229920001225 polyester resin Polymers 0.000 claims description 5
- 239000004246 zinc acetate Substances 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000398 iron phosphate Inorganic materials 0.000 claims description 3
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 3
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 3
- WRAGBEWQGHCDDU-UHFFFAOYSA-M C([O-])([O-])=O.[NH4+].[Zr+] Chemical compound C([O-])([O-])=O.[NH4+].[Zr+] WRAGBEWQGHCDDU-UHFFFAOYSA-M 0.000 claims description 2
- PHEDXBVPIONUQT-UHFFFAOYSA-N Cocarcinogen A1 Natural products CCCCCCCCCCCCCC(=O)OC1C(C)C2(O)C3C=C(C)C(=O)C3(O)CC(CO)=CC2C2C1(OC(C)=O)C2(C)C PHEDXBVPIONUQT-UHFFFAOYSA-N 0.000 claims description 2
- MUHUIJPSGRCRFX-UHFFFAOYSA-M [Zn+].C([O-])([O-])=O.[NH4+] Chemical compound [Zn+].C([O-])([O-])=O.[NH4+] MUHUIJPSGRCRFX-UHFFFAOYSA-M 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- PHEDXBVPIONUQT-RGYGYFBISA-N phorbol 13-acetate 12-myristate Chemical compound C([C@]1(O)C(=O)C(C)=C[C@H]1[C@@]1(O)[C@H](C)[C@H]2OC(=O)CCCCCCCCCCCCC)C(CO)=C[C@H]1[C@H]1[C@]2(OC(C)=O)C1(C)C PHEDXBVPIONUQT-RGYGYFBISA-N 0.000 claims description 2
- 239000002981 blocking agent Substances 0.000 claims 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 26
- 239000011248 coating agent Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 11
- 239000002585 base Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920006334 epoxy coating Polymers 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000006750 UV protection Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002023 wood 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4028—Isocyanates; Thioisocyanates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
-
- 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
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C09D7/65—Additives macromolecular
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses low-temperature curing resin anticorrosive paint, wherein the component comprises, by mass, 45-55 parts of epoxy resin and 12-16 parts of composite addition type resin, and the second component comprises, by mass, 10-12 parts of a curing agent A, 15-17 parts of a curing agent B and 25-30 parts of a second solvent, wherein the curing agent A comprises aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane, and the curing agent B comprises a cashew nut shell oil epoxy resin curing agent and a YH-82 epoxy low-temperature curing agent.
Description
Technical Field
The invention relates to the field of anticorrosive coatings, in particular to low-temperature curing resin anticorrosive coatings.
Background
The type of coating which adopts epoxy resin as a film forming material is mostly adopted in the general anticorrosive coating products in the market at present, the coating has the advantages that 1, the epoxy resin endows excellent adhesion performance due to the molecular structure of the epoxy resin, 2, the epoxy coating has low volume shrinkage rate (only about 2 percent) during curing, so that the internal stress is small, the adhesion is not lost, the coating has excellent adhesion to polar substrates such as metal (steel, aluminum and the like), ceramic, glass, concrete, wood and the like, 3, the epoxy coating has good chemical resistance, and is in a three-dimensional network structure and strong compactness after curing, so that the epoxy coating is widely used for anticorrosion prime coats and antirust prime coats.
Disclosure of Invention
Aiming at the problems, the invention provides low-temperature curing resin anticorrosive coatings, which are added with a curing agent A consisting of aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane and a curing agent B consisting of a cashew nut shell oil epoxy resin curing agent and a YH-82 epoxy low-temperature curing agent.
The invention provides low-temperature curing resin anticorrosive paint which comprises a -th component and a second component, wherein the -th component comprises, by mass, 45-55 parts of epoxy resin, 12-16 parts of composite addition type resin, 2-6 parts of pigment, 35-40 parts of -th solvent, 4-6 parts of auxiliary agent, 3-8 parts of antirust additive, 10-14 parts of filler and 5-7 parts of metal ion crosslinking agent, and the second component comprises, by mass, 10-12 parts of curing agent A, 15-17 parts of curing agent B and 25-30 parts of second solvent;
the curing agent A comprises aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane, and the curing agent B comprises cashew nut shell oil epoxy resin curing agent and YH-82 epoxy low-temperature curing agent;
the metal ion cross-linking agent is any of zinc acetate, ammonium zirconium carbonate salt or ammonium zinc carbonate salt.
The further improvement is that the component comprises 50 parts of epoxy resin, 14 parts of composite additive resin, 5 parts of pigment, 38 parts of th solvent, 5 parts of auxiliary agent, 5 parts of antirust additive, 12 parts of filler and 6 parts of metal ion crosslinking agent according to the mass ratio, and the second component comprises 11 parts of curing agent A, 16 parts of curing agent B and 28 second solvent according to the mass ratio.
is further improved in that the composite addition type resin is or more of bisphenol A modified epoxy resin, nitrile rubber modified epoxy resin, polyester resin or hydroxy acrylic resin.
is further improved in that the filler is a mixture of quartz powder and white carbon black, and the mass ratio of the quartz powder to the white carbon black is 20: 1.
is further improved in that the auxiliary agent comprises fumed silica, active diluent, dispersant, accelerator, leveling agent, defoaming agent, coupling agent, sealant, corrosion inhibitor and ultraviolet absorbent.
the improvement is that the antirust additive is any or two of iron oxide red, iron phosphate, zinc oxide, aluminum tripolyphosphate and mica iron oxide which are mixed in equal amount.
the improvement is that the th solvent and the second solvent are any of methyl isobutyl ketone, butanone, PMA, n-butanol or aromatic hydrocarbon solvents.
The invention has the beneficial effects that: by adding the curing agent A consisting of aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane and the curing agent B consisting of cashew nut shell oil epoxy resin curing agent and YH-82 epoxy low-temperature curing agent, the resin anticorrosive paint disclosed by the application is stable to cure in a low-temperature environment, and a coating formed by the paint is high in mechanical strength, has excellent performances such as alkali resistance, acid resistance, wear resistance and ultraviolet resistance, has good adhesive force on the surface of various treated or untreated base materials, and is not easy to fall off.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be described in further detail in with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
Example
low-temperature curing resin anticorrosive paint comprises a component and a second component, wherein the component comprises the following components in parts by mass, namely 45 parts of epoxy resin, 12 parts of composite additive resin, 2 parts of pigment, 35 parts of solvent, 4 parts of auxiliary agent, 3 parts of antirust additive, 10 parts of filler and 5 parts of metal ion crosslinking agent, and the second component comprises the following components in parts by mass, namely 10 parts of curing agent A, 15 parts of curing agent B and 25 parts of second solvent;
the curing agent A comprises aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane, and the curing agent B comprises cashew nut shell oil epoxy resin curing agent and YH-82 epoxy low-temperature curing agent;
the metal ion cross-linking agent is zinc acetate.
The composite addition type resin is a mixture of bisphenol A modified epoxy resin, nitrile rubber modified epoxy resin, polyester resin and hydroxy acrylic resin.
The filler is a mixture of quartz powder and white carbon black, and the mass ratio of the quartz powder to the white carbon black is 20: 1.
The auxiliary agent comprises fumed silica, an active diluent, a dispersing agent, an accelerating agent, a flatting agent, a defoaming agent, a coupling agent, a sealing agent, a corrosion inhibitor and an ultraviolet absorbent.
The antirust additive is formed by mixing red iron oxide and zinc oxide in equal amount.
The th solvent and the second solvent are both methyl isobutyl ketone.
Example two
low-temperature curing resin anticorrosive paint comprises a component and a second component, wherein the component comprises the following components in parts by mass, namely 50 parts of epoxy resin, 14 parts of composite additive resin, 5 parts of pigment, 38 parts of solvent, 5 parts of auxiliary agent, 5 parts of antirust additive, 12 parts of filler and 6 parts of metal ion crosslinking agent, and the second component comprises the following components in parts by mass, namely 11 parts of curing agent A, 16 parts of curing agent B and 28 second solvent;
the curing agent A comprises aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane, and the curing agent B comprises cashew nut shell oil epoxy resin curing agent and YH-82 epoxy low-temperature curing agent;
the metal ion cross-linking agent is zinc acetate.
The composite addition type resin is a mixture of bisphenol A modified epoxy resin, nitrile rubber modified epoxy resin, polyester resin and hydroxy acrylic resin.
The filler is a mixture of quartz powder and white carbon black, and the mass ratio of the quartz powder to the white carbon black is 20: 1.
The auxiliary agent comprises fumed silica, an active diluent, a dispersing agent, an accelerating agent, a flatting agent, a defoaming agent, a coupling agent, a sealing agent, a corrosion inhibitor and an ultraviolet absorbent.
The antirust additive is formed by mixing red iron oxide and zinc oxide in equal amount.
The th solvent and the second solvent are both methyl isobutyl ketone.
EXAMPLE III
low-temperature curing resin anticorrosive paint comprises a component and a second component, wherein the component comprises 55 parts of epoxy resin, 16 parts of composite additive resin, 6 parts of pigment, 40 parts of solvent, 6 parts of auxiliary agent, 8 parts of antirust additive, 14 parts of filler and 7 parts of metal ion crosslinking agent in mass ratio, and the second component comprises 12 parts of curing agent A, 17 parts of curing agent B and 30 parts of second solvent in mass ratio;
the curing agent A comprises aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane, and the curing agent B comprises cashew nut shell oil epoxy resin curing agent and YH-82 epoxy low-temperature curing agent;
the metal ion cross-linking agent is zinc acetate.
The composite addition type resin is a mixture of bisphenol A modified epoxy resin, nitrile rubber modified epoxy resin, polyester resin and hydroxy acrylic resin.
The filler is a mixture of quartz powder and white carbon black, and the mass ratio of the quartz powder to the white carbon black is 20: 1.
The auxiliary agent comprises fumed silica, an active diluent, a dispersing agent, an accelerating agent, a flatting agent, a defoaming agent, a coupling agent, a sealing agent, a corrosion inhibitor and an ultraviolet absorbent.
The antirust additive is formed by mixing red iron oxide and zinc oxide in equal amount.
The th solvent and the second solvent are both methyl isobutyl ketone.
According to the embodiment , the second embodiment and the third embodiment, the component comprises, by mass, 45-55 parts of epoxy resin, 12-16 parts of composite additive resin, 2-6 parts of pigment, 35-40 parts of th solvent, 4-6 parts of auxiliary agent, 3-8 parts of antirust additive, 10-14 parts of filler and 5-7 parts of metal ion crosslinking agent, and the second component comprises, by mass, 10-12 parts of curing agent A, 15-17 parts of curing agent B and 25-30 parts of second solvent, so that the prepared grease anticorrosive paint has the advantages of best mechanical strength, low-temperature curing capability and good coating adhesion.
Adding solvent into a reaction kettle, heating to 45 ℃, adding epoxy resin into the reaction kettle under the stirring condition for stirring, adding the composite additive resin into the reaction kettle for stirring in multiple times, wherein the dissolving time is 150 minutes each time, until the composite additive resin is completely dissolved, then heating the temperature in the reaction kettle to 65 ℃, adding pigment, auxiliary agent, antirust additive, filler and metal ion crosslinking agent into the reaction kettle for mixing and stirring, and then cooling to 25 ℃ for later use;
adding the second solvent into a stirring kettle, adding the curing agent A and the curing agent B under the stirring condition, and mixing and stirring for 120 minutes for later use;
and adding the materials in the stirring kettle into the reaction kettle, and mixing and stirring for 25 minutes to obtain the resin anticorrosive paint.
Experimental example
Taking four equal parts of the resin anticorrosive paint to perform a mechanical strength test, respectively brushing the four equal parts of the resin anticorrosive paint on four same base materials, and then respectively performing the following experiments on coatings formed on the four base materials:
coating of substrate 1: spraying with 10% CHCOOH, standing for 480 hr, and observing the change of the coating;
coating of substrate 2: spraying with 10% NaOH, standing for 240 hours, and observing the change of the coating;
coating of substrate 3: soaking the coating on the substrate with butanone for 24 hours, and observing the change of the coating;
coating of the substrate 4: the coating of substrate 4 was tested for 1000 hours using GB/T1740-78(89) paint film wet heat test to observe the change in coating.
The experimental result shows that the coating surface of the base material 1 has no bubbles and no damage; the coating surface of the base material 2 has no bubbles and is not damaged; the coating surface of the base material 3 has no bubbles and is not damaged; the coated surface of substrate 4 was bubble free, slightly tarnished and negligible.
Experimental example two
Taking four equal parts of resin anticorrosive paint to perform a mechanical strength test, respectively brushing five equal parts of resin anticorrosive paint on five same base materials to ensure that the thicknesses of the coatings are the same, then respectively putting the five base materials with the coatings with the same thickness into simulated environments of 38 ℃, 20 ℃, 10 ℃, 0 ℃ and-8 ℃ for curing, and observing the time required by curing.
Experimental results show that the resin anticorrosive paint can be cured in a simulated environment of-8 ℃ to 38 ℃.
By adding the curing agent A consisting of aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane and the curing agent B consisting of cashew nut shell oil epoxy resin curing agent and YH-82 epoxy low-temperature curing agent, the resin anticorrosive paint disclosed by the application is stable to cure in a low-temperature environment, and a coating formed by the paint is high in mechanical strength, has excellent performances such as alkali resistance, acid resistance, wear resistance and ultraviolet resistance, has good adhesive force on the surface of various treated or untreated base materials, and is not easy to fall off.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
- The low-temperature curing resin anticorrosive paint is characterized by comprising an th component and a second component, wherein the th component comprises, by mass, 45-55 parts of epoxy resin, 12-16 parts of composite addition type resin, 2-6 parts of pigment, 35-40 parts of th solvent, 4-6 parts of auxiliary agent, 3-8 parts of antirust additive, 10-14 parts of filler and 5-7 parts of metal ion crosslinking agent, and the second component comprises, by mass, 10-12 parts of curing agent A, 15-17 parts of curing agent B and 25-30 parts of second solvent;the curing agent A comprises aromatic isocyanate, aromatic polyurethane and aliphatic polyurethane, and the curing agent B comprises cashew nut shell oil epoxy resin curing agent and YH-82 epoxy low-temperature curing agent;the metal ion cross-linking agent is any of zinc acetate, ammonium zirconium carbonate salt or ammonium zinc carbonate salt.
- 2. The kinds of low-temperature curing resin anticorrosive paint of claim 1, wherein the th component comprises, by mass, 50 parts of epoxy resin, 14 parts of composite additive resin, 5 parts of pigment, 38 parts of th solvent, 5 parts of auxiliary agent, 5 parts of antirust additive, 12 parts of filler and 6 parts of metal ion crosslinking agent, and the second component comprises, by mass, 11 parts of curing agent A, 16 parts of curing agent B and 28 second solvent.
- 3. The kinds of low-temperature curing resin anticorrosive paint of claim 1, wherein the composite addition type resin is or more of bisphenol A modified epoxy resin, nitrile rubber modified epoxy resin, polyester resin or hydroxy acrylic resin.
- 4. The kinds of low-temperature curing resin anticorrosive paint of claim 1, wherein the filler is a mixture of quartz powder and white carbon black, and the mass ratio of the quartz powder to the white carbon black is 20: 1.
- 5. The kinds of low-temperature curing resin anticorrosive paint of claim 1, wherein the auxiliary agent comprises fumed silica, reactive diluent, dispersant, accelerator, leveling agent, defoaming agent, coupling agent, blocking agent, corrosion inhibitor and ultraviolet absorber.
- 6. The kinds of low-temperature curing resin anticorrosive paint of claim 1, wherein the antirust additive is any kinds of red iron oxide, iron phosphate, zinc oxide, aluminum tripolyphosphate, mica iron oxide or a mixture of two kinds of red iron oxide, iron phosphate, zinc oxide, aluminum tripolyphosphate and mica iron oxide in equal amount.
- 7. The kinds of low-temperature curing resin anticorrosive paint of claim 1, wherein the th solvent and the second solvent are any kinds of methyl isobutyl ketone, butanone, PMA, n-butanol or aromatic hydrocarbon solvents.
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CN112063277A (en) * | 2020-09-23 | 2020-12-11 | 滁州市全丰物资有限公司 | Resin for metal coiled material and preparation method thereof |
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