CN110229605A - A kind of unmaned platform and preparation method thereof - Google Patents
A kind of unmaned platform and preparation method thereof Download PDFInfo
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- CN110229605A CN110229605A CN201910471606.6A CN201910471606A CN110229605A CN 110229605 A CN110229605 A CN 110229605A CN 201910471606 A CN201910471606 A CN 201910471606A CN 110229605 A CN110229605 A CN 110229605A
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- pigments
- fillers
- agent
- unmaned platform
- unmaned
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 46
- 239000000049 pigment Substances 0.000 claims abstract description 46
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 27
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 22
- 230000032050 esterification Effects 0.000 claims abstract description 21
- 238000005886 esterification reaction Methods 0.000 claims abstract description 21
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000002518 antifoaming agent Substances 0.000 claims description 18
- 239000002270 dispersing agent Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Natural products OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 9
- 239000011527 polyurethane coating Substances 0.000 claims description 8
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 7
- -1 isocyanuric acid ester Chemical class 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229920000142 Sodium polycarboxylate Polymers 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 238000000638 solvent extraction Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 150000002148 esters Chemical group 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- QVTVDJWJGGEOGX-UHFFFAOYSA-N urea;cyanide Chemical compound N#[C-].NC(N)=O QVTVDJWJGGEOGX-UHFFFAOYSA-N 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 27
- 239000011248 coating agent Substances 0.000 abstract description 25
- 239000002904 solvent Substances 0.000 abstract description 14
- 150000003839 salts Chemical class 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 239000012948 isocyanate Substances 0.000 description 6
- 150000002513 isocyanates Chemical class 0.000 description 6
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical class OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000010998 test method Methods 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction 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
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- 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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention discloses a kind of unmaned platform and preparation method thereof, is reacted and is obtained in the presence of allophanate isocyanation esterification catalyst and auxiliary agent by organic diisocyanate, the pure and mild pigments and fillers of polyester polyols.Unmaned platform of the invention has suitable viscosity, can carry out brush application at normal temperature；Pigments and fillers reduce reacting between organic diisocyanate and water except water process, improve the physicochemical property of coating；Its impact resistance is greater than 10J, is bent coating flawless, and salt spray resistance 1500h coating is intact；And coating of the invention is unmaned platform, is free of volatile solvent, environmental protection, safety.
Description
Technical field
The present invention relates to polyurethane coating, in particular to a kind of unmaned platform and preparation method thereof.
Background technique
Coating has good anti-corrosion effect as protective layer, adaptable since it is with construction is simple, easy to maintain
And the advantages such as good in economic efficiency, it is widely used in pipeline corrosion protection field.Solventless coatings safety and environmental protection, no pernicious gas
Volatilization avoids film coated surface caused by solvent based coating volatilizees because of solvent in the curing process and generates pin hole, to improve painting
The permeability resistance and shielding of layer.Unmaned platform mainly by binary or polynary isocyanates and binary or
Polyalcohol forms carbamate resins by polyaddition reaction gradually, in no-solvent polyurethane macromolecular, in addition to containing
There is ester bond, ehter bond, urea bond, biuret linkage, the allophanic acid ester bond isopolarity also contained outside a large amount of polyurethane ester bond
Key, it is easy to form hydrogen bond in molecule interchain, assign many excellent characteristics of no-solvent polyurethane large-scale crude oil storage domestic at present
The engineering projects such as in-can preservation, buried pipeline outer anti-corrosion, harbour concrete surface are all actively promoting and applying no-solvent polyurethane anti-corrosion
Lose coating.The characteristics of unmaned platform is that mechanical performance is excellent, adhesive force is good, the corrosion of acidproof alkali salt, one-pass film-forming
Thickness can reduce construction cost, and curing rate is fast, can solidify under low temperature environment in winter, construction environment adaptability is stronger.But
There is also some problems in actual application for unmaned platform, such as it needs special high pressure airless spray equipment
It constructs, solventless coatings viscosity is larger to need to carry out hot spraying, higher to construction process requirement.Paint solidification speed
The working life for also resulting in coating fastly is shorter, the unfavorable construction of small area on site and patch work construction.
In the prior art, since unmaned platform is at a lower temperature in use, its impact resistance and counter-bending
The mechanical properties such as property are relatively poor；In addition polyurethane coating adds excessive solvent composition during the preparation process, environment is increased
Pollution, exist to human body potential dangerous.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of unmaned platforms and preparation method thereof, are free of and wave
Hair property solvent, environmental protection, safety, physicochemical property is good, and preparation method is simple.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows:
A kind of unmaned platform, by organic diisocyanate, the pure and mild pigments and fillers of polyester polyols in allophanate
Reaction obtains in the presence of isocyanation esterification catalyst and auxiliary agent.
Preferably, in the presence of allophanate isocyanation esterification catalyst, make organic diisocyanate and polyester polyol
Reaction forms allophanate groups, is isocyanurate group immediately.
Preferably, the auxiliary agent is defoaming agent, dispersing agent, levelling agent.
Preferably, the defoaming agent is organic silicon modified by polyether class defoaming agent.
Preferably, the dispersing agent is sodium polycarboxylate dipersant.
Preferably, the levelling agent is acrylic acid esters co-polymer levelling agent.
Preferably, the pigments and fillers include the ingredient of following parts by weight: silica flour accounts for the 25% of pigments and fillers total amount, talcum powder
It accounts for the 36% of pigments and fillers total amount, titanium dioxide and accounts for the 15% of pigments and fillers total amount, barium sulfate and account for the 24% of pigments and fillers total amount.
Preferably, the organic diisocyanate is aliphatic series or alicyclic diisocyanate, and the polyester polyol
The carbon number of alkyl is 3~20.
A kind of preparation method of unmaned platform, includes the following steps:
1) isocyanates is prepared by making organic diisocyanate and polyester polyol carry out urethane reaction
The prepolymer I of base sealing end；
2) allophanate isocyanation esterification catalyst is added and allophanic acid is carried out to isocyanate-terminated prepolymer I
After esterification, isocyanuric acid ester is formed to generate isocyanate-terminated prepolymer II；
3) auxiliary agent is added into prepolymer II, carries out high shear dispersion after mixing, obtains mixture；
4) pigments and fillers are heated and is removed water, obtain water removal pigments and fillers；
5) the content removing by thin-film distillation or solvent extraction by the organic diisocyanate that dissociates in mixture to less than 1
Quality %；
6) under stirring conditions, water removal pigments and fillers are added in step 5) to carry out high shear dispersion uniform, obtain nothing
Solvent polyurethane coating.
Preferably, the heating temperature of the step 4) is 100~150 DEG C, and the water removal time is 6~9h.
Compared with prior art, the invention has the following beneficial effects: polyurethane coatings of the invention by organic two isocyanide
Acid esters, polyester polyol and pigments and fillers are reacted in the presence of allophanate isocyanation esterification catalyst and auxiliary agent, so that
Coating has suitable viscosity, can carry out brush application at normal temperature；Pigments and fillers are carried out to reduce organic two except water process
Reacting between isocyanates and water improves the physicochemical property of coating；Its impact resistance is greater than 10J, and bending coating is without splitting
Line, salt spray resistance 1500h coating are intact；And coating of the invention is unmaned platform, without volatile solvent, environmentally friendly,
Safety.
Specific embodiment
The invention will be further described for specific embodiment below.It should be noted that for these embodiment party
The explanation of formula is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, invention described below
Technical characteristic involved in each embodiment can be combined with each other as long as they do not conflict with each other.
Embodiment one
A kind of unmaned platform, it is in parts by weight, pure and mild by 18 parts of organic diisocyanates, 20 polyester polyols
22 parts of pigments and fillers are reacted in the presence of 9 parts of allophanate isocyanation esterification catalyst and 18 parts of auxiliary agents to be obtained, the urea groups
It in the presence of formic acid esters isocyanation esterification catalyst, reacts organic diisocyanate with polyester polyol, forms allophanate
Group is isocyanurate group immediately.
The auxiliary agent is defoaming agent, dispersing agent, levelling agent, and defoaming agent accounts for the 38% of auxiliary agent, dispersing agent and accounts for auxiliary agent
36%, levelling agent accounts for the 56% of auxiliary agent.
The defoaming agent is organic silicon modified by polyether class defoaming agent.
The dispersing agent is sodium polycarboxylate dipersant.
The levelling agent is acrylic acid esters co-polymer levelling agent.
The pigments and fillers include the ingredient of following parts by weight: silica flour accounts for the 25% of pigments and fillers total amount, talcum powder and accounts for face and fill out
Expect that the 36% of total amount, titanium dioxide accounts for the 15% of pigments and fillers total amount, barium sulfate and accounts for the 24% of pigments and fillers total amount.
The organic diisocyanate is aliphatic series or alicyclic diisocyanate, and the carbon number of the polyester polyol alkyl
It is 3.
A kind of preparation method of unmaned platform, includes the following steps:
1) isocyanates is prepared by making organic diisocyanate and polyester polyol carry out urethane reaction
The prepolymer I of base sealing end；
2) allophanate isocyanation esterification catalyst is added and allophanic acid is carried out to isocyanate-terminated prepolymer I
After esterification, isocyanuric acid ester is formed to generate isocyanate-terminated prepolymer II；
3) auxiliary agent is added into prepolymer II, carries out high shear dispersion after mixing, obtains mixture；
4) pigments and fillers are heated and is removed water, obtain water removal pigments and fillers；The heating temperature is 100 DEG C, and the water removal time is 6h.
5) the content removing by thin-film distillation or solvent extraction by the organic diisocyanate that dissociates in mixture to less than 1
Quality %；
6) under stirring conditions, water removal pigments and fillers are added in step 5) to carry out high shear dispersion uniform, obtain nothing
Solvent polyurethane coating.
Embodiment two
A kind of unmaned platform, it is in parts by weight, pure and mild by 22 parts of organic diisocyanates, 25 polyester polyols
28 parts of pigments and fillers are reacted in the presence of 15 parts of allophanate isocyanation esterification catalyst and 24 parts of auxiliary agents to be obtained, the urea
It in the presence of carbamate isocyanation esterification catalyst, reacts organic diisocyanate with polyester polyol, forms allophanic acid
Ester group is isocyanurate group immediately.
The auxiliary agent is defoaming agent, dispersing agent, levelling agent, and defoaming agent accounts for the 38% of auxiliary agent, dispersing agent and accounts for auxiliary agent
36%, levelling agent accounts for the 56% of auxiliary agent.
Wherein, the defoaming agent is organic silicon modified by polyether class defoaming agent；The dispersing agent is sodium polycarboxylate dipersant；
The levelling agent is acrylic acid esters co-polymer levelling agent.
The pigments and fillers include the ingredient of following parts by weight: silica flour accounts for the 25% of pigments and fillers total amount, talcum powder and accounts for face and fill out
Expect that the 36% of total amount, titanium dioxide accounts for the 15% of pigments and fillers total amount, barium sulfate and accounts for the 24% of pigments and fillers total amount.
The organic diisocyanate is aliphatic series or alicyclic diisocyanate, and the carbon number of the polyester polyol alkyl
It is 20.
A kind of preparation method of unmaned platform, includes the following steps:
1) isocyanates is prepared by making organic diisocyanate and polyester polyol carry out urethane reaction
The prepolymer I of base sealing end；
2) allophanate isocyanation esterification catalyst is added and allophanic acid is carried out to isocyanate-terminated prepolymer I
After esterification, isocyanuric acid ester is formed to generate isocyanate-terminated prepolymer II；
3) auxiliary agent is added into prepolymer II, carries out high shear dispersion after mixing, obtains mixture；
4) pigments and fillers are heated and is removed water, obtain water removal pigments and fillers；The heating temperature is 150 DEG C, and the water removal time is 8h；
5) the content removing by thin-film distillation or solvent extraction by the organic diisocyanate that dissociates in mixture to less than 1
Quality %；
6) under stirring conditions, water removal pigments and fillers are added in step 5) to carry out high shear dispersion uniform, obtain nothing
Solvent polyurethane coating, the frequency of high speed shear are 50Hz, revolving speed 8000r/min, and the high speed shear finely dispersed time
For 1h.
Embodiment three
A kind of unmaned platform, it is in parts by weight, pure and mild by 30 parts of organic diisocyanates, 28 polyester polyols
18 parts of pigments and fillers are reacted in the presence of 12 parts of allophanate isocyanation esterification catalyst and 26 parts of auxiliary agents to be obtained, the urea
It in the presence of carbamate isocyanation esterification catalyst, reacts organic diisocyanate with polyester polyol, forms allophanic acid
Ester group is isocyanurate group immediately.
The auxiliary agent is defoaming agent, dispersing agent, levelling agent, and defoaming agent accounts for the 38% of auxiliary agent, dispersing agent and accounts for auxiliary agent
36%, levelling agent accounts for the 56% of auxiliary agent.
Wherein, the defoaming agent is organic silicon modified by polyether class defoaming agent；The dispersing agent is sodium polycarboxylate dipersant；
The levelling agent is acrylic acid esters co-polymer levelling agent.
The pigments and fillers include the ingredient of following parts by weight: silica flour accounts for the 25% of pigments and fillers total amount, talcum powder and accounts for face and fill out
Expect that the 36% of total amount, titanium dioxide accounts for the 15% of pigments and fillers total amount, barium sulfate and accounts for the 24% of pigments and fillers total amount.
The organic diisocyanate is aliphatic series or alicyclic diisocyanate, and the carbon number of the polyester polyol alkyl
It is 16.
A kind of preparation method of unmaned platform, includes the following steps:
1) isocyanates is prepared by making organic diisocyanate and polyester polyol carry out urethane reaction
The prepolymer I of base sealing end；
2) allophanate isocyanation esterification catalyst is added and allophanic acid is carried out to isocyanate-terminated prepolymer I
After esterification, isocyanuric acid ester is formed to generate isocyanate-terminated prepolymer II；
3) auxiliary agent is added into prepolymer II, carries out high shear dispersion after mixing, obtains mixture；
4) pigments and fillers are heated and is removed water, obtain water removal pigments and fillers；The heating temperature is 120 DEG C, and the water removal time is 8h；
5) the content removing by thin-film distillation or solvent extraction by the organic diisocyanate that dissociates in mixture to less than 1
Quality %；
6) under stirring conditions, water removal pigments and fillers are added in step 5) to carry out high shear dispersion uniform, obtain nothing
Solvent polyurethane coating, the frequency of high speed shear are 50Hz, revolving speed 8000r/min, and the high speed shear finely dispersed time
For 1h.
Coating property test
The unmaned platform being prepared in Examples 1 to 3 is subjected to film, and by commercially available solvent-free poly- ammonia
Ester paint as a control group, is tested after room temperature curing according to national standard.Wherein, impact resistance be according to standard SY/T0315-97 into
Row test；Wearability is tested according to standard GB/T1768；Hardness is tested according to standard GB/T2411；Anti-corrosion
The salt fog resistance of coating refers to that the resistivity that corrosion-inhibiting coating corrodes salt fog, salt fog resistance of the invention are according to GB/
T1771-1991 is tested, and test condition is (35 ± 2) DEG C.Adhesive force is tested according to standard SY/T0315-97,
The test method of resistant to chemical media corrosion is that the coating after solidification is put into mass concentration as 10% sulfuric acid, quality at room temperature
Concentration is 30% sodium chloride, mass concentration is that 30% sodium hydroxide and No. 2 diesel oil are formed by mixed liquor, is placed 30 days,
Whether the coating observed after solidifying is damaged or corrodes.Specific test result is shown in Table table 1.
Table 1
It should be noted that excellent described in table 1 refer to excellent in corresponding test effect, well refer in correspondence
Test effect it is good, it is poor in corresponding test effect that difference is referred to, layering refer to coating in corresponding test item go out
Coating layering phenomenon is showed, crackle refers to that seminess occurs in corresponding test item in coating, and discoloration refers to applying
There is coating metachromatism in corresponding test item in layer.
From the result record in table 1 as can be seen that using the method in the embodiment of the present invention 1~3, by component
Respective number and the proportion between them are deployed in right amount, and component, which is mixed, makes its reaction, and what is be prepared is solvent-free poly-
The performance of urethane coating in all respects is significantly better than the unmaned platform using control group.The present invention is solvent-free poly-
The performance of urethane coating such as hardness of film, impact resistance, wearability and salt fog resistance is excellent, and raw material components system of the invention
Standby obtained unmaned platform also shows excellent mechanical property in other embodiments, compared with low temperature
Good impact resistance and bending resistance are still shown under degree, and additionally there is outstanding cathodic disbonding performance, good salt tolerant
The requirement of mist performance, far superior to relevant national standard.In addition, being practically free of any volatilization in the unmaned platform
Property solvent, belong to a kind of environmentally protective, convenient and fast high-performance coating of construction.
Above the embodiments of the present invention are described in detail, but the present invention is not limited to described embodiments.It is right
For those skilled in the art, in the case where not departing from the principle of the invention and spirit, these embodiments are carried out more
Kind change, modification, replacement and modification, still fall in protection scope of the present invention.
Claims (10)
1. a kind of unmaned platform, it is characterised in that: by organic diisocyanate, the pure and mild pigments and fillers of polyester polyols in urea
Reaction obtains in the presence of carbamate isocyanation esterification catalyst and auxiliary agent.
2. in unmaned platform according to claim 1, it is characterised in that: allophanate isocyanation esterification is urged
It in the presence of agent, reacts organic diisocyanate with polyester polyol, forms allophanate groups, be isocyanide urea immediately
Acid esters group.
3. unmaned platform according to claim 1, it is characterised in that: the auxiliary agent be defoaming agent, dispersing agent,
Levelling agent.
4. unmaned platform according to claim 3, it is characterised in that: the defoaming agent is polyether-modified organic
Silicon class defoaming agent.
5. unmaned platform according to claim 3, it is characterised in that: the dispersing agent is sodium polycarboxylate salinity
Powder.
6. unmaned platform according to claim 3, it is characterised in that: the levelling agent is total for esters of acrylic acid
Polymers levelling agent.
7. unmaned platform according to claim 1, it is characterised in that: the pigments and fillers include following parts by weight
Ingredient: silica flour, which accounts for the 25% of pigments and fillers total amount, talcum powder and accounts for the 36% of pigments and fillers total amount, titanium dioxide, accounts for pigments and fillers total amount
15%, barium sulfate accounts for the 24% of pigments and fillers total amount.
8. unmaned platform according to claim 1, it is characterised in that: the organic diisocyanate is aliphatic series
Or alicyclic diisocyanate, and the carbon number of the polyester polyol alkyl is 3~20.
9. the method for preparing unmaned platform as described in any one of claims 1 to 8, it is characterised in that: including such as
Lower step:
1) isocyanate group envelope is prepared by making organic diisocyanate and polyester polyol carry out urethane reaction
The prepolymer I at end；
2) allophanate isocyanation esterification catalyst is added and allophanatization is carried out to isocyanate-terminated prepolymer I
Afterwards, isocyanuric acid ester is formed to generate isocyanate-terminated prepolymer II；
3) auxiliary agent is added into prepolymer II, carries out high shear dispersion after mixing, obtains mixture；
4) pigments and fillers are heated and is removed water, obtain water removal pigments and fillers；
5) the content removing to less than 1 matter by thin-film distillation or solvent extraction by the organic diisocyanate that dissociates in mixture
Measure %；
6) under stirring conditions, water removal pigments and fillers are added in step 5) to carry out high shear dispersion uniform, obtain solvent-free
Polyurethane coating.
10. preparation method according to claim 9, it is characterised in that: the heating temperature of the step 4) is 100~150
DEG C, the water removal time is 6~9h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111440290A (en) * | 2020-04-16 | 2020-07-24 | 上海中路实业有限公司 | Solvent-free polyurethane resin and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469889A (en) * | 2000-10-17 | 2004-01-21 | ������������ʽ���� | Process for preparation of polyisocyanate composition |
| CN1894299A (en) * | 2003-12-19 | 2007-01-10 | 塞拉斯塔涂料株式会社 | Solvent-free urethane composition |
| WO2009064821A1 (en) * | 2007-11-13 | 2009-05-22 | E. I. Du Pont De Nemours And Company | Isocyanate terminated polytrimethylene ether polyol and process for making same |
| CN105358599A (en) * | 2013-07-11 | 2016-02-24 | 陶氏环球技术有限责任公司 | Process for making urethane-isocyanurates |
| CN107001855A (en) * | 2014-12-08 | 2017-08-01 | 巴斯夫涂料有限公司 | Non-aqueous coating compositions, it is prepared therefrom that there is coating of improvement adhesive force and scratch resistance and application thereof |
| CN108264621A (en) * | 2017-12-29 | 2018-07-10 | 上海维凯光电新材料有限公司 | A kind of heterogeneous chain extension synthetic method of aqueous polyurethane |
-
2019
- 2019-05-31 CN CN201910471606.6A patent/CN110229605A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469889A (en) * | 2000-10-17 | 2004-01-21 | ������������ʽ���� | Process for preparation of polyisocyanate composition |
| CN1894299A (en) * | 2003-12-19 | 2007-01-10 | 塞拉斯塔涂料株式会社 | Solvent-free urethane composition |
| WO2009064821A1 (en) * | 2007-11-13 | 2009-05-22 | E. I. Du Pont De Nemours And Company | Isocyanate terminated polytrimethylene ether polyol and process for making same |
| CN105358599A (en) * | 2013-07-11 | 2016-02-24 | 陶氏环球技术有限责任公司 | Process for making urethane-isocyanurates |
| CN107001855A (en) * | 2014-12-08 | 2017-08-01 | 巴斯夫涂料有限公司 | Non-aqueous coating compositions, it is prepared therefrom that there is coating of improvement adhesive force and scratch resistance and application thereof |
| CN108264621A (en) * | 2017-12-29 | 2018-07-10 | 上海维凯光电新材料有限公司 | A kind of heterogeneous chain extension synthetic method of aqueous polyurethane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111440290A (en) * | 2020-04-16 | 2020-07-24 | 上海中路实业有限公司 | Solvent-free polyurethane resin and preparation method and application thereof |
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Application publication date: 20190913 |