CN105504214A - Preparation method of biomass polyurethane electrophoretic resin and electrophoretic paint thereof - Google Patents
Preparation method of biomass polyurethane electrophoretic resin and electrophoretic paint thereof Download PDFInfo
- Publication number
- CN105504214A CN105504214A CN201511002430.8A CN201511002430A CN105504214A CN 105504214 A CN105504214 A CN 105504214A CN 201511002430 A CN201511002430 A CN 201511002430A CN 105504214 A CN105504214 A CN 105504214A
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- China
- Prior art keywords
- biomass polyurethane
- reaction
- biomass
- electrophoresis resin
- resin
- Prior art date
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- Granted
Links
- 239000004814 polyurethane Substances 0.000 title claims abstract description 82
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 82
- 239000002028 Biomass Substances 0.000 title claims abstract description 79
- 229920005989 resin Polymers 0.000 title claims abstract description 56
- 239000011347 resin Substances 0.000 title claims abstract description 56
- 239000003973 paint Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 47
- 239000004970 Chain extender Substances 0.000 claims abstract description 30
- 229920005862 polyol Polymers 0.000 claims abstract description 25
- 150000003077 polyols Chemical class 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 16
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 3
- DXRKLUVKXMAMOV-UHFFFAOYSA-N 3-heptadecylcatechol Chemical compound CCCCCCCCCCCCCCCCCC1=CC=CC(O)=C1O DXRKLUVKXMAMOV-UHFFFAOYSA-N 0.000 claims description 65
- 238000001962 electrophoresis Methods 0.000 claims description 58
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 31
- 230000035484 reaction time Effects 0.000 claims description 28
- 238000004070 electrodeposition Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000004132 cross linking Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- 208000005156 Dehydration Diseases 0.000 claims description 7
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 238000004945 emulsification Methods 0.000 claims description 7
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical group OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920005906 polyester polyol Polymers 0.000 claims description 6
- 229910052797 bismuth Inorganic materials 0.000 claims description 5
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004310 lactic acid Substances 0.000 claims description 3
- 235000014655 lactic acid Nutrition 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- RMTXUPIIESNLPW-UHFFFAOYSA-N 1,2-dihydroxy-3-(pentadeca-8,11-dienyl)benzene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1O RMTXUPIIESNLPW-UHFFFAOYSA-N 0.000 abstract 4
- QARRXYBJLBIVAK-UEMSJJPVSA-N 3-[(8e,11e)-pentadeca-8,11-dienyl]benzene-1,2-diol;3-[(8e,11e)-pentadeca-8,11,14-trienyl]benzene-1,2-diol;3-[(8e,11e,13e)-pentadeca-8,11,13-trienyl]benzene-1,2-diol;3-[(e)-pentadec-8-enyl]benzene-1,2-diol;3-pentadecylbenzene-1,2-diol Chemical compound CCCCCCCCCCCCCCCC1=CC=CC(O)=C1O.CCCCCC\C=C\CCCCCCCC1=CC=CC(O)=C1O.CCC\C=C\C\C=C\CCCCCCCC1=CC=CC(O)=C1O.C\C=C\C=C\C\C=C\CCCCCCCC1=CC=CC(O)=C1O.OC1=CC=CC(CCCCCCC\C=C\C\C=C\CC=C)=C1O QARRXYBJLBIVAK-UEMSJJPVSA-N 0.000 abstract 4
- IYROWZYPEIMDDN-UHFFFAOYSA-N 3-n-pentadec-8,11,13-trienyl catechol Natural products CC=CC=CCC=CCCCCCCCC1=CC=CC(O)=C1O IYROWZYPEIMDDN-UHFFFAOYSA-N 0.000 abstract 4
- DQTMTQZSOJMZSF-UHFFFAOYSA-N urushiol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1O DQTMTQZSOJMZSF-UHFFFAOYSA-N 0.000 abstract 4
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 12
- 239000004922 lacquer Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 5
- 239000011259 mixed solution Substances 0.000 description 5
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 4
- 101150065749 Churc1 gene Proteins 0.000 description 4
- 102100038239 Protein Churchill Human genes 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011527 polyurethane coating Substances 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 108010029541 Laccase Proteins 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000693 micelle Substances 0.000 description 2
- 229930014626 natural product Natural products 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 208000009043 Chemical Burns Diseases 0.000 description 1
- 208000018380 Chemical injury Diseases 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/675—Low-molecular-weight compounds
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6644—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34924—Triazines containing cyanurate groups; Tautomers thereof
-
- 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
- C09D175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- 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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
- C09D5/4465—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4488—Cathodic paints
- C09D5/4496—Cathodic paints characterised by the nature of the curing agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Molecular Biology (AREA)
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a preparation method of biomass polyurethane electrophoretic resin and electrophoretic paint thereof. The biomass polyurethane electrophoretic resin is prepared from, by weight, 6.2%-18.2% of oligomer polyol, 43.0%-58.4% of diisocyanate, 0%-1.73% of trimethylolpropane, 5.0%-5.6% of urushiol, 12.8%-16.6% of hydrophilc agent, 10.6%-19.2% of chain extender and 7.0%-7.8% of neutralizing salt-forming agent. According to the preparation method of the biomass polyurethane electrophoretic resin and the electrophoretic paint thereof, urushiol is grafted into a molecular backbone of polyurethane, hybrid modification of urushiol and water-based polyurethane is achieved, the water-based property of urushiol is facilitated, and the biomass polyurethane electrophoretic resin with a highly branched and crosslinked molecular structure and the electrophoretic paint thereof are prepared.
Description
Technical field
The present invention relates to the technical field of electrophoretic paint, more specifically refer to the preparation method of a kind of biomass polyurethane electrophoresis resin and electrocoating paint thereof.
Background technology
Along with environmental regulation is to the strict restriction of volatile organic compounds in coating system (VOC) content, coating is towards solvent-free and water-based paint development, and starting material progressively turn to natural product.Aqueous polyurethane coating is divided into onepot coating and two-component coating.Monocomponent waterborne polyurethane coating application is convenient, but there is the deficiency of many performances such as acid resistance, wear resistance, thermotolerance, hardness.And waterborne two-component polyurethane coating the has high-performance such as film-forming temperature is low, strong adhesion, wear resistance are good, hardness is large and chemicals-resistant, weather resisteant be good.Up to the present, the industrialized water base dual-component polyurethane kind of China is few, output is little, is difficult to meet present diversified demand, and the performance such as moulding property, snappiness, thermotolerance, acid resistance, hardness of product can not reach the performance index of solvent borne polyurethane.At present, the multiple natural raw lacquer of occurring in nature is a kind of excellent band dry vegetable oil as laccol, tung oil etc., has that fast drying, light specific gravity, glossiness are good, strong adhesion, an excellent specific property such as heat-resisting, acidproof, alkaline-resisting, anticorrosion, antirust.Laccol is the derivative that a class has the pyrocatechol of the long side chain of different degree of unsaturation,
Alkyl chain R on phenyl ring has following four kinds of structures:
R:C respectively
15h
31
R:(CH
2)
7＝CH(CH
2)
5CH
3
R:(CH
2)
7CH＝CHCH
2CH＝CHCH
2C
2H
5
R:(CH
2)
7CH＝CHCH
2CH＝CH-CH＝CHCH
3
Laccol is the mixture of mentioned component different ratios, and different sources raw lacquer laccol side-chain structure is different.The quality of raw lacquer is relevant with the content of composition unsaturated in laccol, and wherein, the content in triolefin laccol is higher, and the quality of raw lacquer is better.Via the oxypolymerization of complexity under the effect of laccase and oxygen, make the molecule that raw lacquer becomes stable, and form three-dimensional reticulated structure.But, the paint film of this natural filmogen due to cross-linking density excessive, although have excellent paint film intensity, anti-chemical burn into water-repellancy, thermotolerance and surface luster, but because molecular structure cross-linking density is excessive, aromatic ring content is higher, and paint film seems more crisp, and toughness is bad.
Summary of the invention
Object of the present invention is exactly the preparation method that will provide a kind of biomass polyurethane electrophoresis resin and electrocoating paint thereof, by laccol being grafted on the molecular backbone chain of urethane, realize laccol and waterbased urethane hybridizes modification, promote its Water-borne modification, prepare the biomass polyurethane electrophoresis resin and electrocoating paint thereof with highly branched crosslinked molecular structure.
For achieving the above object, a kind of biomass polyurethane electrophoresis resin provided by the invention, its raw material comprises according to percent by weight: oligomer polyol 6.2% ~ 18.2%, vulcabond 43.0% ~ 58.4%, TriMethylolPropane(TMP) 0% ~ 1.73%, laccol 5.0% ~ 5.6%, hydrophilizing agent 12.8% ~ 16.6%, chainextender 10.6% ~ 19.2%, in and salt forming agent 7.0% ~ 7.8%.
Preferably, a kind of biomass polyurethane electrophoresis resin, its raw material comprises according to percent by weight: oligomer polyol 7.8% ~ 15%, vulcabond 45% ~ 50%, TriMethylolPropane(TMP) 1% ~ 1.5%, laccol 5.2% ~ 5.4%, hydrophilizing agent 14% ~ 15%, chainextender 12% ~ 18%, in and salt forming agent 7.0% ~ 7.8%.
Further, described oligomer polyol is the one in polyester polyol or polyether glycol, and the relative molecular weight of described oligomer polyol is 500 ~ 2000.
Further, described vulcabond is one or more in tolylene diisocyanate, different Buddhist diisocyanates, hexamethylene diisocyanate.
Further, described hydrophilizing agent is N methyldiethanol amine; Described chainextender is BDO.
Further, in described and salt forming agent be one or more in glacial acetic acid, lactic acid, hydrochloric acid.
A preparation method for biomass polyurethane electrophoresis resin, comprises the steps:
(1) oligomer polyol and TriMethylolPropane(TMP) are carried out processed, processed temperature is 80 ~ 120 DEG C, and vacuum tightness is 1.0 × 10
5pa, dehydration treatment time is 0.5 ~ 1.5h, obtains the mixture a dewatered;
(2) in step (1) gained mixture a, drip vulcabond and carry out polyreaction, polymeric reaction temperature is 40 ~ 80 DEG C, and polymerization reaction time is 2 ~ 4h, obtains polymkeric substance b;
(3) added in solvent by step (2) resulting polymers b, then add the mixing solutions of chainextender and the laccol dissolved in advance, temperature of reaction is 70 ~ 90 DEG C, and the reaction times is 2 ~ 4h, obtains resultant c;
(4) in gained resultant c in step (3), add hydrophilizing agent to react, temperature of reaction is 30 ~ 50 DEG C, and the reaction times is 2 ~ 4h, obtains product e;
(5) with salt forming agent reaction in adding in step (4) products therefrom e, temperature of reaction is 10 ~ 40 DEG C, and the reaction times is 0.5 ~ 2h, obtains biomass polyurethane electrophoresis resin.
Further, the solvent in described step (3) is one or more in acetone, Isosorbide-5-Nitrae-dioxane, propyl carbinol, butyl glycol ether.
Further, in described step (3) chainextender and laccol mixing solutions in add catalyzer, described catalyzer is one or more in organotin, organo-bismuth, Organic leadP class catalyzer.
A kind of biomass polyurethane electrocoating paint, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 22% ~ 30%, end-sealed type HDI tripolymer 6% ~ 8%, propylene glycol phenylate 0.6% ~ 0.8%, deionized water 62% ~ 70%.
Preferably, a kind of biomass polyurethane electrocoating paint, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 24.5% ~ 26.5%, end-sealed type HDI tripolymer 6.2% ~ 7.0%, propylene glycol phenylate 0.73% ~ 0.74%, deionized water 65.76% ~ 68.2%.
A kind of preparation method of biomass polyurethane electrocoating paint, comprise the steps: first end-sealed type HDI tripolymer, propylene glycol phenylate to be added mix and blend in biomass polyurethane electrophoresis resin, in water, emulsification is sheared again, then electrophoresis film forming, finally be there is secondary crosslinking in film baking, obtain biomass polyurethane electrocoating paint.
Compared with prior art, the invention has the advantages that:
One, the present invention adopts step-reaction polymerization to synthesize electrophoresis resin, biomass laccol is adopted to carry out structurally-modified to water-based polyurethane resin, can improve polyurethane film physicals, the performances such as its film-forming properties, wear resistance, chemicals-resistant, weather resisteant are all improved, and apply more extensive, in addition using natural product as starting material, the consumption of petroleum chemicals can also be reduced, there is the good feature of environmental protection, reduce the production cost of product.
They are two years old, the end-sealed type HDI tripolymer that the present invention adopts is coated on micelle inside by hydroxyl biomass polyurethane electrophoresis resin, micelle is shaped as fine and close wet film at body surface under the effect of electric field, through baking process, react through secondary crosslinking after first linking agent and the biomass modified urethane electrophoresis resin of terminal hydroxy group form thermoplastic film, converted into thermoset Polyurethane lacquer, substantially increases the multinomial performance index of paint film.
They are three years old, containing laccol in the molecular structure of biomass polyurethane electrophoresis resin of the present invention, it is the derivative that a class has the pyrocatechol of the long side chain of different degree of unsaturation, the performance of electrodeposited paint film is relevant with the content of composition unsaturated in laccol, via the oxypolymerization of complexity under the effect of laccase and oxygen, make the molecule that raw lacquer becomes stable, and form three-dimensional reticulated structure, substantially increase the acid resistance of paint film, hardness, glossiness, thermostability.
They are four years old, biomass polyurethane electrocoating paint of the present invention detects the index specific as follows reached: artificial perspiration resistance is greater than 72h, shock resistance is greater than 50cm, paint film light fullness ratio is greater than 90, hardness is greater than 4H, water tolerance is greater than 1400h, and acid resistance (10% hydrochloric acid, 10% nitric acid, 30% sulfuric acid, 30% sodium hydroxide boil) is greater than 72h.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail:
Embodiment 1:
A kind of biomass polyurethane electrophoresis resin, its raw material comprises according to percent by weight: oligomer polyol 6.2%, vulcabond 56.07%, TriMethylolPropane(TMP) 1.73%, laccol 5.6%, hydrophilizing agent 12.8%, chainextender 10.6%, in and salt forming agent 7.0%.
In technique scheme, described oligomer polyol is polyether glycol, and its relative molecular weight is 1000; Described vulcabond is isophorone diisocyanate; Described hydrophilizing agent is N methyldiethanol amine; Described chainextender is BDO; In described and salt forming agent be glacial acetic acid;
Prepare the method for above-mentioned biomass polyurethane electrophoresis resin, comprise the steps:
(1) oligomer polyol and TriMethylolPropane(TMP) are carried out processed, processed temperature is 120 DEG C, and vacuum tightness is 1.0 × 10
5pa, dehydration treatment time is 1.5h, obtains the mixture a dewatered;
(2) in step (1) gained mixture a, drip vulcabond and carry out polyreaction, polymeric reaction temperature is 80 DEG C, and polymerization reaction time is 4h, obtains polymkeric substance b;
(3) added in solvent by step (2) resulting polymers b, then add the mixing solutions of chainextender and the laccol dissolved in advance, temperature of reaction is 90 DEG C, and the reaction times is 4h, obtains resultant c;
(4) in gained resultant c in step (3), add hydrophilizing agent to react, temperature of reaction is 50 DEG C, and the reaction times is 4h, obtains product e;
(5) with salt forming agent reaction in adding in step (4) products therefrom e, temperature of reaction is 40 DEG C, and the reaction times is 2h, obtains biomass polyurethane electrophoresis resin.
In technique scheme, the solvent in described step (3) is the mixed solution of acetone, propyl carbinol, butyl glycol ether, adds organotin catalysts in the mixing solutions of chainextender and laccol.
A kind of biomass polyurethane electrocoating paint, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 24.5%, end-sealed type HDI tripolymer 6.6%, propylene glycol phenylate 0.73%, deionized water 68.17%.
Prepare the method for above-mentioned biomass polyurethane electrocoating paint, comprise the steps: first end-sealed type HDI tripolymer, propylene glycol phenylate to be added mix and blend in biomass polyurethane electrophoresis resin, in water, emulsification is sheared again, then electrophoresis film forming, finally film is toasted 20min under the condition of 70 DEG C, then under the condition of 140 DEG C, keep 30min that secondary crosslinking occurs, obtain biomass polyurethane electrocoating paint.
Embodiment 2:
A kind of biomass polyurethane electrophoresis resin, its raw material comprises according to percent by weight: oligomer polyol 18.2%, vulcabond 43.0%, TriMethylolPropane(TMP) 0.1%, laccol 5%, hydrophilizing agent 14%, chainextender 11.9%, in and salt forming agent 7.8%.
In technique scheme, described oligomer polyol is polyester polyol, and its relative molecular weight is 2000; Described vulcabond is tolylene diisocyanate; Described hydrophilizing agent is N methyldiethanol amine; Described chainextender is BDO; In described and salt forming agent be hydrochloric acid;
Prepare the method for above-mentioned biomass polyurethane electrophoresis resin, comprise the steps:
(1) oligomer polyol and TriMethylolPropane(TMP) are carried out processed, processed temperature is 80 DEG C, and vacuum tightness is 1.0 × 10
5pa, dehydration treatment time is 0.5h, obtains the mixture a dewatered;
(2) in step (1) gained mixture a, drip vulcabond and carry out polyreaction, polymeric reaction temperature is 40 DEG C, and polymerization reaction time is 2h, obtains polymkeric substance b;
(3) added in solvent by step (2) resulting polymers b, then add the mixing solutions of chainextender and the laccol dissolved in advance, temperature of reaction is 70 DEG C, and the reaction times is 2h, obtains resultant c;
(4) in gained resultant c in step (3), add hydrophilizing agent to react, temperature of reaction is 30 DEG C, and the reaction times is 2h, obtains product e;
(5) with salt forming agent reaction in adding in step (4) products therefrom e, temperature of reaction is 10 DEG C, and the reaction times is 0.5h, obtains biomass polyurethane electrophoresis resin.
In technique scheme, the solvent in described step (3) is the mixed solution of acetone, propyl carbinol, butyl glycol ether, adds organic bismuth catalyst in the mixing solutions of chainextender and laccol.
A kind of biomass polyurethane electrocoating paint, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 27.2%, end-sealed type HDI tripolymer 6.2%, propylene glycol phenylate 0.74%, deionized water 65.86%.
Prepare the method for above-mentioned biomass polyurethane electrocoating paint, comprise the steps: first end-sealed type HDI tripolymer, propylene glycol phenylate to be added mix and blend in biomass polyurethane electrophoresis resin, in water, emulsification is sheared again, then electrophoresis film forming, finally film is toasted 20min under the condition of 80 DEG C, then under the condition of 150 DEG C, keep 30min that secondary crosslinking occurs, obtain biomass polyurethane electrocoating paint.
Embodiment 3:
A kind of biomass polyurethane electrophoresis resin, its raw material comprises according to percent by weight: oligomer polyol 15%, vulcabond 46.6%, TriMethylolPropane(TMP) 1%, laccol 5.4%, hydrophilizing agent 12.8%, chainextender 12%, in and salt forming agent 7.2%.
In technique scheme, described oligomer polyol is polyester polyol, and its relative molecular weight is 2000; Described vulcabond is hexamethylene diisocyanate; Described hydrophilizing agent is N methyldiethanol amine; Described chainextender is BDO; In described and salt forming agent be lactic acid;
Prepare the method for above-mentioned biomass polyurethane electrophoresis resin, comprise the steps:
(1) oligomer polyol and TriMethylolPropane(TMP) are carried out processed, processed temperature is 100 DEG C, and vacuum tightness is 1.0 × 10
5pa, dehydration treatment time is 1h, obtains the mixture a dewatered;
(2) in step (1) gained mixture a, drip vulcabond and carry out polyreaction, polymeric reaction temperature is 60 DEG C, and polymerization reaction time is 3h, obtains polymkeric substance b;
(3) added in solvent by step (2) resulting polymers b, then add the mixing solutions of chainextender and the laccol dissolved in advance, temperature of reaction is 80 DEG C, and the reaction times is 3h, obtains resultant c;
(4) in gained resultant c in step (3), add hydrophilizing agent to react, temperature of reaction is 40 DEG C, and the reaction times is 3h, obtains product e;
(5) with salt forming agent reaction in adding in step (4) products therefrom e, temperature of reaction is 30 DEG C, and the reaction times is 1.5h, obtains biomass polyurethane electrophoresis resin.
In technique scheme, the solvent in described step (3) is the mixed solution of acetone, propyl carbinol, butyl glycol ether, adds organic bismuth catalyst in the mixing solutions of chainextender and laccol.
A kind of biomass polyurethane electrocoating paint, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 26.5%, end-sealed type HDI tripolymer 7.0%, propylene glycol phenylate 0.74%, deionized water 65.76%.
Prepare the method for above-mentioned biomass polyurethane electrocoating paint, comprise the steps: first end-sealed type HDI tripolymer, propylene glycol phenylate to be added mix and blend in biomass polyurethane electrophoresis resin, in water, emulsification is sheared again, then electrophoresis film forming, finally film is toasted 20min under the condition of 80 DEG C, then under the condition of 150 DEG C, keep 30min that secondary crosslinking occurs, obtain biomass polyurethane electrocoating paint.
Embodiment 4:
A kind of biomass polyurethane electrophoresis resin, its raw material comprises according to percent by weight: oligomer polyol 7.8%, vulcabond 44.5%, TriMethylolPropane(TMP) 1.5%, laccol 5.2%, hydrophilizing agent 14%, chainextender 19.2%, in and salt forming agent 7.8%.
In technique scheme, described oligomer polyol is polyester polyol, and its relative molecular weight is 500; Described vulcabond is tolylene diisocyanate; Described hydrophilizing agent is N methyldiethanol amine; Described chainextender is BDO; In described and salt forming agent be hydrochloric acid;
Prepare the method for above-mentioned biomass polyurethane electrophoresis resin, comprise the steps:
(1) oligomer polyol and TriMethylolPropane(TMP) are carried out processed, processed temperature is 80 DEG C, and vacuum tightness is 1.0 × 10
5pa, dehydration treatment time is 0.5h, obtains the mixture a dewatered;
(2) in step (1) gained mixture a, drip vulcabond and carry out polyreaction, polymeric reaction temperature is 40 DEG C, and polymerization reaction time is 4h, obtains polymkeric substance b;
(3) added in solvent by step (2) resulting polymers b, then add the mixing solutions of chainextender and the laccol dissolved in advance, temperature of reaction is 90 DEG C, and the reaction times is 2h, obtains resultant c;
(4) in gained resultant c in step (3), add hydrophilizing agent to react, temperature of reaction is 50 DEG C, and the reaction times is 2h, obtains product e;
(5) with salt forming agent reaction in adding in step (4) products therefrom e, temperature of reaction is 40 DEG C, and the reaction times is 0.5h, obtains biomass polyurethane electrophoresis resin.
In technique scheme, the solvent in described step (3) is the mixed solution of acetone, propyl carbinol, adds organolead catalysts in the mixing solutions of chainextender and laccol.
A kind of biomass polyurethane electrocoating paint, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 28%, end-sealed type HDI tripolymer 6%, propylene glycol phenylate 0.6%, deionized water 65.4%.
Prepare the method for above-mentioned biomass polyurethane electrocoating paint, comprise the steps: first end-sealed type HDI tripolymer, propylene glycol phenylate to be added mix and blend in biomass polyurethane electrophoresis resin, in water, emulsification is sheared again, then electrophoresis film forming, finally film is toasted 20min under the condition of 80 DEG C, then under the condition of 150 DEG C, keep 30min that secondary crosslinking occurs, obtain biomass polyurethane electrocoating paint.
Embodiment 5:
A kind of biomass polyurethane electrophoresis resin, its raw material comprises according to percent by weight: oligomer polyol 7.2%, vulcabond 44.59%, TriMethylolPropane(TMP) 0.01%, laccol 5.4%, hydrophilizing agent 16.6%, chainextender 19.2%, in and salt forming agent 7%.
In technique scheme, described oligomer polyol is polyester polyol, and its relative molecular weight is 1000; Described vulcabond is tolylene diisocyanate; Described hydrophilizing agent is N methyldiethanol amine; Described chainextender is BDO; In described and salt forming agent be hydrochloric acid;
Prepare the method for above-mentioned biomass polyurethane electrophoresis resin, comprise the steps:
(1) oligomer polyol and TriMethylolPropane(TMP) are carried out processed, processed temperature is 120 DEG C, and vacuum tightness is 1.0 × 10
5pa, dehydration treatment time is 1.5h, obtains the mixture a dewatered;
(2) in step (1) gained mixture a, drip vulcabond and carry out polyreaction, polymeric reaction temperature is 80 DEG C, and polymerization reaction time is 4h, obtains polymkeric substance b;
(3) added in solvent by step (2) resulting polymers b, then add the mixing solutions of chainextender and the laccol dissolved in advance, temperature of reaction is 70 DEG C, and the reaction times is 4h, obtains resultant c;
(4) in gained resultant c in step (3), add hydrophilizing agent to react, temperature of reaction is 30 DEG C, and the reaction times is 4h, obtains product e;
(5) with salt forming agent reaction in adding in step (4) products therefrom e, temperature of reaction is 40 DEG C, and the reaction times is 0.5h, obtains biomass polyurethane electrophoresis resin.
In technique scheme, the solvent in described step (3) is the mixed solution of acetone, propyl carbinol, butyl glycol ether, adds organic bismuth catalyst in the mixing solutions of chainextender and laccol.
A kind of biomass polyurethane electrocoating paint, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 22%, end-sealed type HDI tripolymer 8%, propylene glycol phenylate 0.6%, deionized water 69.4%.
Prepare the method for above-mentioned biomass polyurethane electrocoating paint, comprise the steps: first end-sealed type HDI tripolymer, propylene glycol phenylate to be added mix and blend in biomass polyurethane electrophoresis resin, in water, emulsification is sheared again, then electrophoresis film forming, finally film is toasted 20min under the condition of 80 DEG C, then under the condition of 150 DEG C, keep 30min that secondary crosslinking occurs, obtain biomass polyurethane electrocoating paint.
Claims (10)
1. a biomass polyurethane electrophoresis resin, it is characterized in that, its raw material comprises according to percent by weight: oligomer polyol 6.2% ~ 18.2%, vulcabond 43.0% ~ 58.4%, TriMethylolPropane(TMP) 0% ~ 1.73%, laccol 5.0% ~ 5.6%, hydrophilizing agent 12.8% ~ 16.6%, chainextender 10.6% ~ 19.2%, in and salt forming agent 7.0% ~ 7.8%.
2. biomass polyurethane electrophoresis resin according to claim 1, is characterized in that, described oligomer polyol is the one in polyester polyol or polyether glycol, and the relative molecular weight of described oligomer polyol is 500 ~ 2000.
3. biomass polyurethane electrophoresis resin according to claim 1, is characterized in that, described vulcabond is one or more in tolylene diisocyanate, different Buddhist diisocyanates, hexamethylene diisocyanate.
4. biomass polyurethane electrophoresis resin according to claim 1, is characterized in that, described hydrophilizing agent is N methyldiethanol amine; Described chainextender is BDO.
5. biomass polyurethane electrophoresis resin according to claim 1, is characterized in that, is one or more in glacial acetic acid, lactic acid, hydrochloric acid in described with salt forming agent.
6. prepare a method for biomass polyurethane electrophoresis resin described in any one described in Claims 1 to 5, it is characterized in that, comprise the steps:
(1) oligomer polyol and TriMethylolPropane(TMP) are carried out processed, processed temperature is 80 ~ 120 DEG C, and vacuum tightness is 1.0 × 10
5pa, dehydration treatment time is 0.5 ~ 1.5h, obtains the mixture a dewatered;
(2) in step (1) gained mixture a, drip vulcabond and carry out polyreaction, polymeric reaction temperature is 40 ~ 80 DEG C, and polymerization reaction time is 2 ~ 4h, obtains polymkeric substance b;
(3) added in solvent by step (2) resulting polymers b, then add the mixing solutions of chainextender and the laccol dissolved in advance, temperature of reaction is 70 ~ 90 DEG C, and the reaction times is 2 ~ 4h, obtains resultant c;
(4) in gained resultant c in step (3), add hydrophilizing agent to react, temperature of reaction is 30 ~ 50 DEG C, and the reaction times is 2 ~ 4h, obtains product e;
(5) with salt forming agent reaction in adding in step (4) products therefrom e, temperature of reaction is 10 ~ 40 DEG C, and the reaction times is 0.5 ~ 2h, obtains biomass polyurethane electrophoresis resin.
7. biomass polyurethane electrophoresis resin preparation method according to claim 6, is characterized in that, the solvent in described step (3) is one or more in acetone, Isosorbide-5-Nitrae-dioxane, propyl carbinol, butyl glycol ether.
8. biomass polyurethane electrophoresis resin preparation method according to claim 6, it is characterized in that, in described step (3) chainextender and laccol mixing solutions in add catalyzer, described catalyzer is one or more in organotin, organo-bismuth, Organic leadP class catalyzer.
9. a biomass polyurethane electrocoating paint, it is characterized in that, its raw material comprises according to percent by weight: biomass polyurethane electrophoresis resin 22% ~ 30%, end-sealed type HDI tripolymer 6% ~ 8%, propylene glycol phenylate 0.6% ~ 0.8%, deionized water 62% ~ 70%.
10. prepare the method for biomass polyurethane electrocoating paint according to claim 9 for one kind, it is characterized in that, comprise the steps: first end-sealed type HDI tripolymer, propylene glycol phenylate to be added mix and blend in biomass polyurethane electrophoresis resin, in water, emulsification is sheared again, then electrophoresis film forming, finally be there is secondary crosslinking in film baking, obtain biomass polyurethane electrocoating paint.
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| CN108587406A (en) * | 2018-05-25 | 2018-09-28 | 苗霞明 | A kind of preparation method of low-temperature curing cathode electrophoresis paint |
| CN108929427A (en) * | 2018-06-12 | 2018-12-04 | 湖南大学 | Improve the preparation method of the blocked isocyanate of cathode electrophoresis dope filming performance |
| CN109280475A (en) * | 2018-08-03 | 2019-01-29 | 浩力森涂料（上海）有限公司 | Polyurethane electrophoretic coating |
| CN110387184A (en) * | 2019-07-11 | 2019-10-29 | 闽江学院 | The cross-linking modified moisture solidification acrylic resin paint of laccol and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106832183A (en) * | 2016-12-14 | 2017-06-13 | 武汉科利尔新材料有限公司 | A kind of Graphene modified cathode polyurethane electrophoresis resin and its cataphoresis paint composition |
| CN108587406A (en) * | 2018-05-25 | 2018-09-28 | 苗霞明 | A kind of preparation method of low-temperature curing cathode electrophoresis paint |
| CN108929427A (en) * | 2018-06-12 | 2018-12-04 | 湖南大学 | Improve the preparation method of the blocked isocyanate of cathode electrophoresis dope filming performance |
| CN108929427B (en) * | 2018-06-12 | 2020-12-22 | 湖南大学 | Preparation method of blocked isocyanate for improving film-forming property of cathode electrophoretic coating |
| CN109280475A (en) * | 2018-08-03 | 2019-01-29 | 浩力森涂料（上海）有限公司 | Polyurethane electrophoretic coating |
| CN110387184A (en) * | 2019-07-11 | 2019-10-29 | 闽江学院 | The cross-linking modified moisture solidification acrylic resin paint of laccol and preparation method |
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Effective date of registration: 20230829 Address after: 430000 Jin Strait Science and Technology Industrial Park, Taiwanese Investment Zone, Dongxihu District, Wuhan City, Hubei Province 102 Patentee after: Wuhan collier electrophoretic coating Co.,Ltd. Address before: 430040 floor 4, building 3, Linkong Industrial Park, Jinyintan Avenue, Dongxihu District, Wuhan City, Hubei Province Patentee before: WUHAN KOLEAL LISHENG INDUSTRIAL RESEARCH INSTITUTE Co.,Ltd. |