CN102010653A - Flame-resistant hydraulic oil resistant high solid polyurethane paint and preparation method thereof - Google Patents
Flame-resistant hydraulic oil resistant high solid polyurethane paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a preparation method of flame-resistant hydraulic oil resistant high solid polyurethane paint which consists of a color paste component and an HDI trimer curing agent component, wherein the color paste component is prepared by mixing hydroxyl polyester resin, coloring pigment, filler, assistant and solvent and grinding with a grinding machine; and the content of hydroxyl polyester resin is 30-80wt%, the content of HDI trimer is 10-50wt%, the content of coloring pigment is 5-30wt%, the content of filler is 0-15 wt%, the content of assistant is 1-5 wt%, and the content of solvent is 10-20wt%. The film of the paint can resist flame-resistant hydraulic oil, aviation kerosene, lubrication oil, gasoline and other oil products for a long time and not be destroyed, and the film has good abrasive resistance, impact resistance, weather resistance and decorative effect. The paint can be used in the protection and coating of the external surfaces of airplanes, trains, machine tools, instruments and the like.
Description
Technical field
The present invention relates to a kind of high-solid level of anti-fire resistant hydraulic oil polyurethane coating, multiple oil products such as filming of this coating can the withstand long term exposure fire resistant hydraulic oil, aviation kerosene, lubricating oil, gasoline and not being destroyed, film have good wear resistance, shock resistance, weathering resistance and decorative effect.This coating is mainly used in the appearance facial ornament protective coating of transport facilitys such as aircraft, train, also can be used for the decoration protective coating of lathe, instrument, mechanical means etc.
Background technology
At present along with China's " at a high speed " transport facility, as manufacturing development such as aircraft, bullet trains, performance requriements to its outside surface protective coating is also more and more higher, the outside surface paint coatings that is adopted must have good decoration effect, weathering resistance, oil-proofness, wear resistance, shock resistance and antiseptic property, also require coating application functional, be fit to multiple coating process, meet the environmental regulation of increasingly stringent.The hardness, wear resistance and the shock resistance that are applied to the homemade high solid polyurethane coating in this field at present can reach good balance, especially effect is undesirable aspect anti-specialty oil products, as polluted the back coating by the fire resistant hydraulic oil of phosphorous acid esters based flame retardant softening, obscission taking place, thereby influences the life-time service life-span of coating.
Document and patent about the high solid polyurethane coating are very many, but do not have the report of the high-solid level of anti-fire resistant hydraulic oil polyurethane coating.
Summary of the invention
The objective of the invention is to prepare a kind of high-solid level polyurethane coating of anti-fire resistant hydraulic oil, when solving the anti-phosphorous acid esters based flame retardant fire resistant hydraulic oil problem of paint coatings, the paint coatings of preparation has good decoration effect, weathering resistance, oil-proofness, wear resistance, shock resistance and antiseptic property, and coating meets the development trend of environmental regulation.
Above-mentioned purpose of the present invention is achieved through the following technical solutions: a kind of high-solid level of anti-fire resistant hydraulic oil polyurethane coating, form by grinding the mill base component and the HDI trimer curing agent component that form with grinding plant after hydroxy polyester resin, tinting pigment, filler, auxiliary agent, the solvent, wherein hydroxy polyester resin content is 30～80% (weight, together following), HDI tripolymer 10～50%, tinting pigment 5～30%, filler 0～15%, auxiliary agent 1～5%, solvent 10%～20%.The quality solid content of the high-solid level of anti-fire resistant hydraulic oil polyurethane coating mill base component is 75～90%, and the stereoplasm amount content of solidifying agent is 90～100%.
Hydroxy polyester resin among the present invention is formed by esterification or half ester prepared in reaction by a kind of monocycle oxycompound, a kind of diprotic acid and two kinds of polyvalent alcohols at least, and epoxy compounds is butylglycidyl ether, tertiary carbonic acid glycidyl ester, cresyl glycidyl ether, iso-octyl glycidyl ether or a kind of in the trimethylphenylmethane base glycidyl ether; Diprotic acid is a kind of in cyclohexane cyclohexanedimethanodibasic, hexanodioic acid, the cyclohexane cyclohexanedimethanodibasic acid anhydride; Polyvalent alcohol is two kinds in TriMethylolPropane(TMP), 1,4 butyleneglycol, 1,6 hexylene glycol, neopentyl glycol, 1,8 ethohexadiol or the tris(2-hydroxy ethyl)isocyanurate, wherein has at least a kind of dibasic alcohol and two kinds of trivalent alcohols to participate in reaction.Wherein the monocycle oxycompound accounts for 0～30% of solid resin total amount, and diprotic acid accounts for 10～40% of solid resin total amount, and dibasic alcohol accounts for 10～40% of solid resin total amount, and trivalent alcohol accounts for 10～50% of solid resin total amount.
Quality solid part of hydroxy polyester resin is 80～100% among the present invention, and the solid resin hydroxyl value is between 230～270mgKOH/g.Facts have proved, hydroxyl value be vibrin between 230～270mgKOH/g with HDI tripolymer film-forming, can form filming of high crosslink density, for coating provides good anti-fire resistant hydraulic oil performance, and stability in storage is good.
Having adopted monocycle oxycompound, purpose when preparing vibrin among the present invention is to improve vibrin solid part and control resin viscosity, and low viscosity high solid vibrin is the basis of preparation high solid polyurethane coating.
Hydroxy polyester resin is prepared from by following method at least among the present invention: a kind of monocycle oxycompound, a kind of diprotic acid and a kind of dibasic alcohol mix 150～155 ℃ of insulations in back 1 hour, be cooled to below 130 ℃, add two kinds of trivalent alcohols, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, the vibrin that this stepwise synthesis mode prepares contrasts with single stage method synthetic vibrin, molecular weight distribution is narrower, structure is more regular, residual monomer and pure loss amount are low, and the coating stability in storage and the physicochemical property of preparation are better.
Among the hydroxy polyester resin preparation technology of the present invention, the molar ratio of a kind of diprotic acid and a kind of dibasic alcohol is between 0.8～1.2.Facts have proved, the mol ratio that contains the dibasic alcohol of the diprotic acid of ring body structurc and linear structure is 1: 1 o'clock, the diadactic structure unit that a flexibility is all arranged in each vibrin molecule, thereby for coating provides good snappiness and shock resistance, and make to film and have better water tolerance.
Among the hydroxy polyester resin preparation technology of the present invention, a kind of trivalent alcohol is that tris(2-hydroxy ethyl)isocyanurate and a kind of trivalent alcohol are TriMethylolPropane(TMP), and the molar ratio of the two is between 0.3～0.4.Facts have proved, obviously improved the wear resistance and the hardness of filming after introducing tris(2-hydroxy ethyl)isocyanurate, but consumption when too much stability in storage be subjected to influence.
Description of drawings
Accompanying drawing is synthetic and mill base preparation technology schema for vibrin of the present invention
Embodiment
In reaction flask, at first add a kind of monocycle oxycompound, after mixing, a kind of diprotic acid and a kind of dibasic alcohol be warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add trivalent alcohol and reflux solvent, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, survey hydroxyl value.Qualified back cooling latting drown, standby.Get above-mentioned polyester resin solution, add tinting pigment, filler, auxiliary agent and solvent and grind preparation mill base component, mill base component and HDI trimer curing agent are joined lacquer.
Test coating property and film performance: viscosity, anti-fire resistant hydraulic oil performance, water tolerance, snappiness, hardness, wear resistance, sticking power, impact, package stability.
Embodiment 1
In reaction flask, at first add tertiary butyl glycidyl ether 200g, cyclohexane cyclohexanedimethanodibasic 684g and 1, after mixing, 4-butyleneglycol 325g is warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add TriMethylolPropane(TMP) 324g and a small amount of backflow dimethylbenzene, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 257mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.5: 1.
Test coating property and film performance: viscosity (is coated with-4
#The cup viscometer) 32s; Anti-fire resistant hydraulic oil performance 30d films no abnormal; Water tolerance 7d films no abnormal; Snappiness 1mm; Pencil hardness H; Wear resistance (500g/500r) 15mg; 1 grade of sticking power (cross-hatching); Impact (80 inch-pound) is filmed no abnormal; Package stability coats with lacquer after half a year and occurs obvious demixing phenomenon in the liquid.
Embodiment 2
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 4-butyleneglycol 405g is warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add TriMethylolPropane(TMP) 893g and a small amount of backflow dimethylbenzene, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 255mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-110 16.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.5: 1.
Test coating property and film performance: viscosity (is coated with-4
#The cup viscometer) 25s; Anti-fire resistant hydraulic oil performance 30d films no abnormal; Water tolerance 7d films no abnormal; Snappiness 1mm; Pencil hardness H; Wear resistance (500g/500r) 15mg; 1 grade of sticking power (cross-hatching); Impact (80 inch-pound) is filmed and crackle occurred; Package stability 1 year is no abnormal.
Embodiment 3
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 6-hexylene glycol 531g is warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add TriMethylolPropane(TMP) 660g and a small amount of backflow dimethylbenzene, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 203mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 3: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 32s, anti-fire resistant hydraulic oil performance 10d film and film no abnormal, snappiness 1mm, hardness H, wear resistance (500g/500r) 15mg, 1 grade of sticking power (cross-hatching), impact (80 inch-pound) of ruckbildung, water tolerance 7d takes place film no abnormally, and package stability 1 year is no abnormal.
Embodiment 4
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 6 hexylene glycol 531g are warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add TriMethylolPropane(TMP) 895g and a small amount of backflow dimethylbenzene, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 246mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.5: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 28s, anti-fire resistant hydraulic oil performance 30d film no abnormal, snappiness 1mm, hardness H, wear resistance (500g/500r) 12mg, 1 grade of sticking power (cross-hatching), the impact (80 inch-pound) of no abnormal, water tolerance 7d of filming filmed no abnormally, and package stability 1 year is no abnormal.
Embodiment 5
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1,6 hexylene glycol 531g, TriMethylolPropane(TMP) 895g and the dimethylbenzene that refluxes on a small quantity, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 253mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.5: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 28s, anti-fire resistant hydraulic oil performance 30d film foamings, snappiness 1mm, hardness H, wear resistance (500g/500r) 12mg, 1 grade of sticking power (cross-hatching), impact (80 inch-pound) of no abnormal, water tolerance 7d of filming filmed no abnormally, and package stability coats with lacquer the obvious demixing phenomenon of appearance in the liquid after 7 months.
Embodiment 6
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 6 hexylene glycol 531g are warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add tris(2-hydroxy ethyl)isocyanurate 435g, TriMethylolPropane(TMP) 744g and the dimethylbenzene that refluxes on a small quantity, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 261mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.5: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 29s, anti-fire resistant hydraulic oil performance 30d film no abnormal, snappiness 1mm, hardness 2H, wear resistance (500g/500r) 9mg, 1 grade of sticking power (cross-hatching), the impact (80 inch-pound) of no abnormal, water tolerance 7d of filming filmed no abnormally, and package stability 1 year is no abnormal.
Embodiment 7
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 6 hexylene glycol 531g are warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add tris(2-hydroxy ethyl)isocyanurate 609g, TriMethylolPropane(TMP) 671g and the dimethylbenzene that refluxes on a small quantity, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 269mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.5: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 29s, anti-fire resistant hydraulic oil performance 30d film no abnormal, snappiness 1mm, hardness 2H, wear resistance (500g/500r) 9mg, 1 grade of sticking power (cross-hatching), the impact (80 inch-pound) of no abnormal, water tolerance 7d of filming filmed no abnormally, and package stability coat with lacquer the obvious demixing phenomenon of appearance in the liquid after 6 months.
Embodiment 8
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 6 hexylene glycol 531g are warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add TriMethylolPropane(TMP) 705g and a small amount of backflow dimethylbenzene, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 218mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.7: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 32s, anti-fire resistant hydraulic oil performance 14d film and film no abnormal, snappiness 1mm, hardness H, wear resistance (500g/500r) 16mg, 1 grade of sticking power (cross-hatching), impact (80 inch-pound) of ruckbildung, water tolerance 7d takes place film no abnormally, and package stability 1 year is no abnormal.
Embodiment 9
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 6 hexylene glycol 531g are warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add TriMethylolPropane(TMP) 799g and a small amount of backflow dimethylbenzene, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 228mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-11016.2g, BYK-3205.1g, BYK-066N 3.24g, BYK-4106.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.6: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 32s, anti-fire resistant hydraulic oil performance 30d film and film no abnormal, snappiness 1mm, hardness H, wear resistance (500g/500r) 15mg, 1 grade of sticking power (cross-hatching), impact (80 inch-pound) of ruckbildung, water tolerance 7d takes place film no abnormally, and package stability 1 year is no abnormal.
Embodiment 10
In reaction flask, at first add tertiary carbonic acid glycidyl ester 436g, cyclohexane cyclohexanedimethanodibasic acid anhydride 1368g and 1, after mixing, 6 hexylene glycol 531g are warming up to 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add tris(2-hydroxy ethyl)isocyanurate 435g, TriMethylolPropane(TMP) 860g and the dimethylbenzene that refluxes on a small quantity, progressively heat up the esterification dehydration to 220 ℃ by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g, recording the solid resin hydroxyl value is 289mgKOH/g.The cooling of qualified back is 82 ± 2% with mixed solvent (weight ratio of pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK) is 2: 1: 1) latting drown to solid content, and is standby.Get above-mentioned polyester resin solution 700g, add R595 titanium dioxide 560g, 1250 order talcum powder 10g, GA-4 mica powder 30g, BYK-110 16.2g, BYK-320 5.1g, BYK-066N 3.24g, BYK-410 6.25g, methyl iso-butyl ketone (MIBK) 100g, N-BUTYL ACETATE 98g, pimelinketone 60g, mix the back and grind preparation mill base component, the lacquer ratio of joining of mill base component and solidifying agent N3390 is weight ratio 2.2: 1.
Test coating property and film performance: viscosity (T-4 viscometer) 29s, anti-fire resistant hydraulic oil performance 30d film no abnormal, snappiness 1mm, hardness 2H, wear resistance (500g/500r) 9mg, 1 grade of sticking power (cross-hatching), the impact (80 inch-pound) of no abnormal, water tolerance 7d of filming filmed no abnormally, and package stability coats with lacquer liquid and obvious demixing phenomenon occurs after 8 months.
Claims (7)
1. the high-solid level of anti-fire resistant hydraulic oil polyurethane coating, form by grinding the mill base component and the HDI trimer curing agent component that form with grinding plant after hydroxy polyester resin, tinting pigment, filler, auxiliary agent, the solvent, hydroxy polyester resin content is 30～80% (weight, together following) tinting pigment 5～30% in the mill base component, filler 0～15%, auxiliary agent 1～5%, solvent 10%～20%, solidifying agent are the HDI tripolymer, consumption is 10～50% of a mill base component.Multiple oil products such as filming of this coating can the withstand long term exposure fire resistant hydraulic oil, aviation kerosene, lubricating oil, gasoline and not being destroyed, film have good wear resistance, shock resistance, weathering resistance and decorative effect.This coating can be used for the appearance facial ornament protective coating of aircraft, train, lathe, instrument etc.
2. tinting pigment as claimed in claim 1 is titanium dioxide R595, phthalocyanine blue, H3G Huang, scarlet, the carbon black of gorgeous first, filler is 1250 order talcum powder, GA-4 mica powder, auxiliary agent is BYK-110, BYK-320, BYK-066N, BYK-410, and solvent is pimelinketone, N-BUTYL ACETATE, methyl iso-butyl ketone (MIBK); The quality solid content of the high-solid level of anti-fire resistant hydraulic oil polyurethane coating mill base component is 75～90%, and solidifying agent is HDI tripolymer N3390 or N3600.
3. the hydroxy polyester resin in the high-solid level of anti-fire resistant hydraulic oil polyurethane coating as claimed in claim 1 is formed by esterification or half ester prepared in reaction by a kind of monocycle oxycompound, a kind of diprotic acid and two kinds of polyvalent alcohols at least, and epoxy compounds is butylglycidyl ether, tertiary carbonic acid glycidyl ester, cresyl glycidyl ether, iso-octyl glycidyl ether or a kind of in the trimethylphenylmethane base glycidyl ether; Diprotic acid is a kind of in cyclohexane cyclohexanedimethanodibasic, hexanodioic acid, the cyclohexane cyclohexanedimethanodibasic acid anhydride; Polyvalent alcohol is two kinds in TriMethylolPropane(TMP), 1,4 butyleneglycol, 1,6 hexylene glycol, neopentyl glycol, 1,8 ethohexadiol or the tris(2-hydroxy ethyl)isocyanurate, wherein has at least a kind of dibasic alcohol and two kinds of trivalent alcohols to participate in reaction.Wherein the monocycle oxycompound accounts for 0～30% of solid resin total amount, and diprotic acid accounts for 10～40% of solid resin total amount, and dibasic alcohol accounts for 10～40% of solid resin total amount, and trivalent alcohol accounts for 10～50% of solid resin total amount.
4. the quality solid part as hydroxy polyester resin as described in the claim 3 is 80～100%, and the solid resin hydroxyl value is between 230～270mgKOH/g.
5. be prepared from by following method at least as hydroxy polyester resin as described in the claim 4:
A kind of monocycle oxycompound, a kind of diprotic acid and a kind of dibasic alcohol mix the back 150～155 ℃ of insulations 1 hour, be cooled to below 130 ℃, add two kinds of trivalent alcohols and reflux solvent, progressively heat up the esterification dehydration to 220 ℃ of esterifications dehydrations by 5 ℃/hour heat-up rate subsequently, react to acid value≤3mgKOH/g;
6. among the hydroxy polyester resin preparation method as claimed in claim 5, the molar ratio of a kind of diprotic acid (diprotic acid that contains ring texture) and a kind of dibasic alcohol (dibasic alcohol of linear structure) is between 0.8～1.2.
7. among the hydroxy polyester resin preparation method as claimed in claim 5, a kind of trivalent alcohol is that tris(2-hydroxy ethyl)isocyanurate and another kind of trivalent alcohol are TriMethylolPropane(TMP), and the molar ratio of the two is between 0.3～0.4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105449945A CN102010653A (en) | 2010-11-16 | 2010-11-16 | Flame-resistant hydraulic oil resistant high solid polyurethane paint and preparation method thereof |
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| CN2010105449945A CN102010653A (en) | 2010-11-16 | 2010-11-16 | Flame-resistant hydraulic oil resistant high solid polyurethane paint and preparation method thereof |
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| CN2010105449945A Pending CN102010653A (en) | 2010-11-16 | 2010-11-16 | Flame-resistant hydraulic oil resistant high solid polyurethane paint and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102408824A (en) * | 2011-10-27 | 2012-04-11 | 中国海洋石油总公司 | Polyester polyurethane coating for rotor wings of helicopter and preparation method thereof |
| CN102634272A (en) * | 2011-06-21 | 2012-08-15 | 漳州鑫展旺化工有限公司 | Rapid-dry automobile paint and preparation method thereof |
| CN102775890A (en) * | 2012-08-01 | 2012-11-14 | 江苏科技大学 | Automatic marking and color developing function coating and preparation method thereof |
| CN106519204A (en) * | 2016-12-12 | 2017-03-22 | 衡阳山泰化工有限公司 | Method for preparing high-hydroxyl polyester resin and application thereof in preparation of coating |
| CN109517150A (en) * | 2018-11-27 | 2019-03-26 | 中国海洋石油集团有限公司 | A kind of high-weatherability high solid polyester resin and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634272A (en) * | 2011-06-21 | 2012-08-15 | 漳州鑫展旺化工有限公司 | Rapid-dry automobile paint and preparation method thereof |
| CN102408824A (en) * | 2011-10-27 | 2012-04-11 | 中国海洋石油总公司 | Polyester polyurethane coating for rotor wings of helicopter and preparation method thereof |
| CN102408824B (en) * | 2011-10-27 | 2013-07-17 | 中国海洋石油总公司 | Polyester polyurethane coating for rotor wings of helicopter and preparation method thereof |
| CN102775890A (en) * | 2012-08-01 | 2012-11-14 | 江苏科技大学 | Automatic marking and color developing function coating and preparation method thereof |
| CN102775890B (en) * | 2012-08-01 | 2014-05-14 | 江苏科技大学 | Automatic marking and color developing function coating and preparation method thereof |
| CN106519204A (en) * | 2016-12-12 | 2017-03-22 | 衡阳山泰化工有限公司 | Method for preparing high-hydroxyl polyester resin and application thereof in preparation of coating |
| CN109517150A (en) * | 2018-11-27 | 2019-03-26 | 中国海洋石油集团有限公司 | A kind of high-weatherability high solid polyester resin and preparation method thereof |
| CN109517150B (en) * | 2018-11-27 | 2020-12-11 | 中国海洋石油集团有限公司 | High-weather-resistance high-solid-content polyester resin and preparation method thereof |
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