CN109486384A - A kind of polyurea type Polyaspartic Ester-Based Coatings feedstock composition, from its coating and its preparation method and application - Google Patents
A kind of polyurea type Polyaspartic Ester-Based Coatings feedstock composition, from its coating and its preparation method and application Download PDFInfo
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- CN109486384A CN109486384A CN201811358394.2A CN201811358394A CN109486384A CN 109486384 A CN109486384 A CN 109486384A CN 201811358394 A CN201811358394 A CN 201811358394A CN 109486384 A CN109486384 A CN 109486384A
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- polyaspartic ester
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- 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
- C08G18/4202—Two or more polyesters of different physical or chemical nature
-
- 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
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
- C08G18/6438—Polyimides or polyesterimides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
This application involves a kind of polyurea type Polyaspartic Ester-Based Coatings feedstock compositions, and it includes the performed polymer and polyamine of NCO sealing end, the performed polymer of the NCO sealing end and the mass ratio of the polyamine are 1:(0.8-1.6)；The performed polymer of the NCO sealing end prepares the polymer polyatomic alcohol that raw material includes: 60%-80%, the aliphatic isocyanates of 19.5%-39.9% and the catalyst of 0.1%-0.5%；The raw material for preparing of the polyamine includes: the polyaspartic ester resin of 37%-80%, the filler of 10%-40%, the wetting dispersing agent of 1%-5%, the defoaming agent of 0.5%-2%, the anti-settling auxiliary agent of 0.1%-1% and the solvent of 0-15%.The application further relates to the application of polyurea type Polyaspartic Ester-Based Coatings and preparation method thereof and polyurea type Polyaspartic Ester-Based Coatings in the painting of preparation surfacecti proteon face and various substrate waterproof and anticorrosion coatings.Polyaspartic Ester-Based Coatings prepared by the application have adjustable gel time and solid content, have a good tolerance to ultraviolet light, gloss persistently, color stable, not yellowing.
Description
Technical field
This application involves technical field of coatings, and specifically, this application involves a kind of paintings of polyurea type polyaspartic ester
Expect feedstock composition, the polyurea type polyaspartic ester from the polyurea type Polyaspartic Ester-Based Coatings feedstock composition applies
Material, the preparation method and polyurea type Polyaspartic Ester-Based Coatings of polyurea type Polyaspartic Ester-Based Coatings are in preparation surfacecti proteon
Property face apply and various substrate waterproof and anticorrosion coatings in application.
Background technique
Spray Polyurea Elastomer is because have the characteristics that high solids content, asepsis environment-protecting, rapid curing, mechanical property are strong, extensively
It is general to be applied to the waterproof and anticorrosions fields such as high-speed rail, underground engineering, coastal engineering, large-scale recreation ground.But spray polyurea coating
Reaction time is too fast, it is necessary to which general using special flush coater and weatherability, people start to develop third generation carbamide paint, i.e., poly-
Asparatate ester paint.
Due to containing steam and oxygen in air, material and the equipment exposure of Metal Substrate are in air or in corrosive medium
When, the corrosion moment occurs, and causes the huge wasting of resources.Although spray polyurea coating has the function of excellent waterproof and anticorrosion,
But weatherability is general, and reaction speed is too fast, specific spray machine can only be used to construct, construction cost is higher and not square
Just.Therefore, it needs to develop the wide novel high-performance coating of a construction is simple, good weatherability, gel time adjustable range.Poly- day
Gel time can be designed as dozens of minutes to several hours by the adjusting of different resins type by L-aminobutanedioic acid ester paint
Between, the adjustable extent of system is very wide.Solid content can be adjusted from 70% to 100%, have good tolerance to ultraviolet light
Property, gloss persistently, color stable, not yellowing.Polyaspartic ester strength of coating is high, elasticity is good, adhesive force is good, wearability is good
And there is dicoration, it can be applied as protective face and the high-performance anticorrosion coating of metal base uses.
It develops a kind of polyurea type Polyaspartic Ester-Based Coatings feedstock composition for this purpose, this field is continuously needed, be originated from it
Coating and its preparation method and application.
Summary of the invention
The application aim to overcome that traditional spray polyurea gel time it is too short, be not suitable for small area construction and it is weather-proof
The problems such as property is poor, color unstable easy xanthochromia, thus provide a kind of polyurea type Polyaspartic Ester-Based Coatings, feedstock composition and
It is applied.The polyurea type Polyaspartic Ester-Based Coatings preparation process is simple, and gel time has very wide adjustable extent, consolidates
Content is high, containing a small amount of solvent or is free of solvent, and environmentally friendly, easy to use and construction method is unrestricted, intensity height, bullet
Property it is good, adhesive force is good, wearability is good and has dicoration, be suitable as protective face apply material and metal base high-performance it is anti-
Etching ground uses.
In order to solve the above-mentioned technical problem, the application provides following technical proposals.
In the first aspect, the application provides a kind of polyurea type Polyaspartic Ester-Based Coatings feedstock composition, feature
It is, it includes the performed polymer and polyamine of NCO sealing end, the performed polymer of the NCO sealing end and the mass ratio of the polyamine are
1:(0.8-1.6)；
The performed polymer of the NCO sealing end prepares the polymer polyatomic alcohol that raw material includes: 60%-80%, 19.5%-
39.9% aliphatic isocyanates and the catalyst of 0.1%-0.5%, the percentage are described in the quality of each component accounts for
The mass percent for preparing raw material of the performed polymer of NCO sealing end, the sum of each component percentage are 100%；
The raw material for preparing of the polyamine includes: that the polyaspartic ester resin of 37%-80%, 10%-40% are filled out
Material, the wetting dispersing agent of 1%-5%, the defoaming agent of 0.5%-2%, the anti-settling auxiliary agent of 0.1%-1% and the solvent of 0-15%；
The percentage is that the quality of each component accounts for the mass percent for preparing raw material of the polyamine, and the sum of each component percentage is
100%.
In a kind of embodiment of first aspect, the polyurea type Polyaspartic Ester-Based Coatings feedstock composition is also wrapped
Include organic solvent.
In a kind of embodiment of first aspect, the performed polymer of the sealing end containing NCO and the mass ratio of the polyamine
For 1:(0.8-1.6).
In a kind of embodiment of first aspect, the polymer polyatomic alcohol is selected from polyether polyol, polyester polyol
With one of polytetrahydrofuran polyol or a variety of, the degree of functionality of the polymer polyatomic alcohol is 2, number-average molecular weight 1000
~5000；
The aliphatic isocyanates are selected from hexamethylene diisocyanate, 4,4- dicyclohexyl methane diisocyanate, different
One of isophorone diisocyanate, hexamethylene diisocyanate trimer, isophorone diisocyanate trimer or
It is a variety of；
The catalyst is organic tin catalyst.
In a kind of embodiment of first aspect, the polyaspartic ester resin is selected from Desmophen NH
1420, one of Desmophen NH 1220 and Desmophen NH 1520 or a variety of, the polyaspartic ester tree
The degree of functionality of rouge is 2, NH equivalent between 230-291g/mol.
And/or the catalyst is stannous octoate T9 or dibutyl tin dilaurate T12.
In a kind of embodiment of first aspect, the filler is titanium dioxide, molecular sieve, barium sulfate, talcum powder and prevents
One of rotten pigment is a variety of；
And/or the wetting dispersing agent is organic silicon dispersing agent；
And/or the defoaming agent is organic silicon or the dispersing agent without organic silicon；
And/or the anti-settling auxiliary agent is in fumed silica and/or organobentonite.
In a kind of embodiment of first aspect, the wetting dispersing agent be BYK-163, BYK-161, BYK-110 and
One of BYK-P104s or a variety of；
And/or the defoaming agent is one or more of BYK-066N, BYK-085, BYK-054 and BYK-052N；
And/or fumed silica is to win wound Degussa R974 and Cabot TS720；
And/or organobentonite is the GARAMITE-1958 of Bi Ke chemistry.
In a kind of embodiment of first aspect, the organic solvent is octyl acetate, butyl acetate and propylene glycol first
One of ether acetic acid ester is a variety of.
In a kind of embodiment of first aspect, the polyurea type Polyaspartic Ester-Based Coatings feedstock composition is also wrapped
Ultraviolet absorber or light stabilizer are included, wherein the ultraviolet absorber or light stabilizer are that liquid amine is obstructed light stabilizer, institute
The content of ultraviolet absorber is stated as the 0.1%-1% of the quality for preparing raw material of the polyamine.
In a kind of embodiment of first aspect, the ultraviolet absorber or light stabilizer are BASF-B97, BASF-
One of B75, BASF-765 and BASF-571 or a variety of.
In a kind of embodiment of first aspect, the NCO terminated prepolymer is by the polymer polyol dehydration of alcohols
It reacts to obtain with the isocyanates afterwards；Preferably, the polymer polyatomic alcohol, the plasticizer are warming up to 105~120 DEG C
Dehydration, negative pressure are dehydrated 1~3h, are cooled to 50~65 DEG C later and the isocyanates is added, be warming up to 75~85 after being dispersed with stirring
DEG C, 2~4h is reacted, is cooled to 50~60 DEG C, filtering and discharging；
And/or the polyamine is by the polyaspartic ester resin, the filler, the wetting dispersing agent, institute
It states defoaming agent, the anti-settling auxiliary agent and the ultraviolet absorber to be added in open-top receptacle, stirring 1-2h keeps it sufficiently mixed
It closes；More preferably, using high speed dispersion agent rapid dispersion -90 minutes 30 minutes, the solvent is added later, continues 30 points of dispersion
Clock -60 minutes, standing -10 minutes 5 minutes can discharge.
In second aspect, the application provides a kind of by polyurea type Polyaspartic Ester-Based Coatings as described in relation to the first aspect
For feedstock composition come the method for preparing polyurea type Polyaspartic Ester-Based Coatings, the method includes the NCO is blocked pre-polymerization
Body and the polyamine are stirred.
In a kind of embodiment of second aspect, the method includes in the case where not being mixed into bubble, by the NCO
Terminated prepolymer and the polyamine are stirred.
In a third aspect, the application is provided is applied by the preparation polyurea type polyaspartic ester as described in second aspect
The method of material is come the polyurea type Polyaspartic Ester-Based Coatings that prepare.
In fourth aspect, prepared by the polyurea type Polyaspartic Ester-Based Coatings that the application provides as described in the third aspect
Application in the painting of surfacecti proteon face and various substrate waterproof and anticorrosion coatings.
Compared with prior art, the beneficial effects of the present application are as follows Polyaspartic Ester-Based Coatings prepared by the application,
Gel time can be designed as dozens of minutes between several hours by the adjusting of different resins type, system it is adjustable
Adjusting range is very wide.Solid content can be adjusted from 70% to 100%, have good tolerance to ultraviolet light, gloss is lasting, color is steady
It is fixed, not yellowing.Strength of coating is high, adhesive force is good, wearability is good and has dicoration, can apply material and gold as protective face
The high-performance anticorrosion coating for belonging to substrate uses.
Specific embodiment
Unless otherwise indicated, from context cues or belong to the convention of the prior art, otherwise number all in the application
It is all based on weight with percentage, and test and characterizing method used is all synchronous with the submission date of the application.It is being applicable in
In the case where, any patent, patent application or disclosure involved in the application are fully incorporated in this as reference, and its
Patent families of equal value are also introduced into as reference, about the synthetic technology in this field, product disclosed by these special documents
With the definition of fabrication design, polymer, comonomer, initiator or catalyst etc..If the specific art disclosed in the prior art
Defining for language is inconsistent with any definition provided herein, then term provided herein of being subject to defines.
Digital scope in the application is approximation, therefore unless otherwise stated, it may include the number other than range
Value.Numberical range include with the increased all numerical value from lower limit value to upper limit value of 1 unit, condition be any lower value with
There are the intervals of at least two unit between any high value.For example, if compositional, physics or other property (such as molecules
Amount, melt index (MI) etc.) it is 100 to 1000, it is meant that clearly list all single numbers, such as 100,101,102 etc., with
And all subranges, such as 100 to 166,155 to 170,198 to 200 etc..For comprising less than 1 numerical value or comprising
The range of score (such as 1.1,1.5 etc.) greater than 1, then suitably by 1 unit regard as 0.0001,0.001,0.01 or
0.1.For the range comprising the units less than 10 (such as 1 to 5), usually regard 1 unit as 0.1.These are only intended to
The specific example of the content to be expressed, and all possible combination of the numerical value between cited minimum and peak is all
It is considered clear to record in this application.It is also pointed out that term " first " herein, " second " etc. do not limit sequencing,
It is intended merely to distinguish the substance of different structure.
About chemical compound in use, unless explicitly stated otherwise, otherwise odd number includes all isomeric forms, otherwise also
So (for example, whole isomers that " hexane " either individually or collectively includes hexane).In addition, unless explicitly stated otherwise, otherwise using
"one", the noun that "an" or "the" are described also includes its plural form.
Term "comprising", " comprising ", " having " and their derivative are not excluded for any other component, step or mistake
The presence of journey, and whether disclose in this application with these other components, step or process unrelated.To eliminate any query,
Unless expressly stated, otherwise in the application it is all use term "comprising"s, " comprising ", or " having " composition may include appoint
What additional additive, auxiliary material or compound.On the contrary, in addition to necessary to operating characteristics those, term " substantially by ...
Composition " excludes any other component, step or process except the hereinafter described range of any term.Term " by ...
Composition " does not include any component, step or the process for not specifically describing or listing.Unless expressly stated, otherwise term "or" refers to
Separate member listed or any combination thereof.
In a specific embodiment, the application provides a kind of polyurea type Polyaspartic Ester-Based Coatings composition,
It is characterized in that, performed polymer and polyamine and a small amount of organic solvent or solvent-free comprising NCO sealing end, the performed polymer and described more
The mass ratio of first amine is 1:(0.8-1.6)；
The performed polymer prepares the polymer polyatomic alcohol that raw material includes: 60%-80%, the fat of 19.5%-39.9%
The catalyst of race's isocyanates and 0.1%-0.5%, the percentage are that the quality of each component accounts for the preparation original of the performed polymer
The mass percent of material, the sum of each component percentage are 100%；
The polymer polyatomic alcohol be selected from polyether polyol (such as DL-2000, DL-1000), polyester polyol (such as
One of PCD-N963, PCD-N964, F1700, F1190, PCL) and polytetrahydrofuran polyol (such as PTMG-2000)
Or it is a variety of, the degree of functionality of the polymer polyatomic alcohol is 2, and number-average molecular weight is 1000~5000；
The isocyanates is selected from HDI, H12One of MDI, IPDI, HDI trimer, IPDI tripolymer are a variety of, excellent
Select HDI and IPDI；
The catalyst is organic tin catalyst, preferably T9 or T12；
The raw material for preparing of the polyamine includes: that the polyaspartic ester resin of 37%-80%, 10%-40% are filled out
Material, the wetting dispersing agent of 1%-5%, the defoaming agent of 0.5%-2%, the anti-settling auxiliary agent of 0.1%-1% and the solvent of 0-15%；
The percentage is that the quality of each component accounts for the mass percent for preparing raw material of the performed polymer, and the sum of each component percentage is
100%.
The polyaspartic ester resin be selected from Desmophen NH 1420, Desmophen NH 1220 and
One of Desmophen NH 1520 or a variety of, the degree of functionality of the polyaspartic ester resin are that 2, NH equivalent is
Between 230-291g/mol.
The preferred 1:(0.8-1.6 of mass ratio of the NCO terminated prepolymer and the polyamine).
The filler is conventional fillers, the particularly preferred titanium dioxide of the application, molecular sieve, barium sulfate, talcum powder and anti-corrosion face
One of material is a variety of；The wetting dispersing agent is organic silicon dispersing agent, the application particularly preferred BYK-163, BYK-
161, one of BYK-110 and BYK-P104s or a variety of.
The defoaming agent be organic silicon or the dispersing agent without organic silicon, the particularly preferred BYK-066N of the application,
One or more of BYK-085, BYK-054 and BYK-052N；
The anti-settling auxiliary agent is one or both of fumed silica or organobentonite, fumed silica sheet
Wound Degussa R974 and Cabot TS720 is particularly preferably won in application, the particularly preferred Bi Ke chemistry of organobentonite the application
GARAMITE-1958；
The organic solvent is one of octyl acetate, butyl acetate and propylene glycol methyl ether acetate or a variety of.
The raw material for preparing of polyamine described herein may also include ultraviolet absorber, and the ultraviolet absorber is this field
Conventional UV absorber, the particularly preferred liquid amine of the application is obstructed light stabilizer, further preferred BASF-B97, BASF-
One of B75, BASF-765, BASF-571 and Ciba-TUV292 or a variety of；The content of the ultraviolet absorber is described more
The 0.1%-1% of the quality for preparing raw material of first amine.
Herein described NCO terminated prepolymer is will to react after the polymer polyol dehydration of alcohols with the isocyanates
It obtains；Preferably, the polymer polyatomic alcohol, the plasticizer are warming up to 105~120 DEG C of dehydrations, negative pressure is dehydrated 1~3h,
It is cooled to 50~65 DEG C later, the isocyanates is added, 75~85 DEG C are warming up to after being dispersed with stirring, reacts 2~4h, be cooled to
50~60 DEG C, filtering and discharging；
Herein described polyamine is by the polyaspartic ester resin, the filler, the wetting dispersing agent, institute
It states defoaming agent, the anti-settling auxiliary agent and the ultraviolet absorber to be added in open-top receptacle, stirring 1-2h keeps it sufficiently mixed
It closes；More preferably, using high speed dispersion agent rapid dispersion -90 minutes 30 minutes.The solvent is added later, continues 30 points of dispersion
Clock -60 minutes, standing -10 minutes 5 minutes can discharge.
Present invention also provides a kind of polyurea type Polyaspartic Ester-Based Coatings, and preparing raw material includes NCO sealing end pre-polymerization
The mass ratio of body and polyamine, the NCO terminated prepolymer and polyamine is 1:(0.8-1.6)；It is preferred that 1:(1-1.3)；
The polyurea type Polyaspartic Ester-Based Coatings can be prepared raw material and be conventionally prepared by described, preferably
The NCO terminated prepolymer and the polyamine are stirred by ground；It more preferably, will be described in the case where not being mixed into bubble
NCO terminated prepolymer and the polyamine are stirred.
Present invention also provides a kind of polyurea type Polyaspartic Ester-Based Coatings to prepare the painting of protective face and metal base
Expect the application in waterproof and anticorrosion coating.
In this application, part material product information does description below:
BYK is Bi Ke chemical company；
BASF is BASF AG；
In addition, Desmophen NH 1420, Desmophen NH 1220 involved in the application and Desmophen NH
1520 be common name in the industry, creates polymer Co., Ltd selected from Cohan.
Without prejudice to the field on the basis of common sense, above-mentioned each optimum condition, can any combination to get the application it is each preferably
Example.
Reagent and raw material used herein are commercially available.
Embodiment
Below in conjunction with embodiments herein, clear and complete description is carried out to the technical solution of the application.Such as nothing
It illustrates, reagent used and raw material can all be bought by commercial sources.Actual conditions are not specified in the following example
Experimental method according to conventional methods and conditions, or is selected according to product manual.
Embodiment 1:
(1) preparation of NCO terminated prepolymer
By percentage to the quality, the PCD N-963 for being added 80% is warming up to 105 DEG C, and negative pressure -0.095MPa is dehydrated 1h, it
It is cooled to 60 DEG C of T12 that 19.5% HDI and 0.5% is added afterwards, 75 DEG C are warming up to after being dispersed with stirring, sufficiently reacts 2h and is cooled to
It 55 DEG C, is discharged after filtering to get performed polymer is arrived.
(2) preparation of polyamine
By percentage to the quality, the titanium dioxide of 50% Desmophen NH 1420,27%, 5% anti-corrosion face is first added
Material, 5% molecular sieve, 1.5% BYK-110,1.2% BYK-066N and 0.3% GARAMATE-1958, use high speed
5% butyl acetate and 5% propylene glycol methyl ether acetate is added in dispersion machine rapid dispersion 45min later, continues high speed dispersion
40min discharges after standing 5min to get polyamine is arrived.
(3) preparation of polyurea type Polyaspartic Ester-Based Coatings coating
After performed polymer in (1) and the polyamine in (2) are mixed according to mass ratio 1:0.8 the case where not being mixed into bubble
Under 3-5min is sufficiently stirred, be then allowed to stand 1min, import in mold, the film of preparation conserves 96h at the standard conditions, turns over later
Face continues to conserve 72h at the standard conditions, finally obtains the film of 1.5 ± 0.2mm of single layer, and test performance.
Embodiment 2:
(1) preparation of NCO terminated prepolymer
By percentage to the quality, the F1700 for being added 70% is warming up to 105 DEG C, and negative pressure -0.095MPa is dehydrated 1h, drops later
The T12 of 29.9% IPDI and 0.1% is added to 60 DEG C for temperature, and 75 DEG C are warming up to after being dispersed with stirring, and sufficiently reacts 3h and is cooled to 55
DEG C, it is discharged after filtering to get performed polymer is arrived.
(2) preparation of polyamine
By percentage to the quality, the titanium dioxide of 40% Desmophen NH 1420,30%, 5% anti-corrosion face is first added
Material, 5% molecular sieve, 3.2% BYK-110,1.5% BYK-066N and 0.3% GARAMATE-1958, use high speed
5% butyl acetate and 10% propylene glycol methyl ether acetate is added in dispersion machine rapid dispersion 45min later, continues high speed point
40min is dissipated, is discharged after standing 5min to get polyamine is arrived.
(3) preparation of polyurea type Polyaspartic Ester-Based Coatings coating
After performed polymer in (1) and the polyamine in (2) are mixed according to mass ratio 1:1.2, in the feelings for not being mixed into bubble
3-5min is sufficiently stirred under condition, is then allowed to stand 1min, imports in mold, the film of preparation conserves 96h at the standard conditions, later
Turn-over continuation conserves 72h at the standard conditions, finally obtains the film of 1.5 ± 0.2mm of single layer, and test performance.
Embodiment 3:
(1) preparation of NCO terminated prepolymer
By percentage to the quality, the PCD N964 for being added 76% is warming up to 105 DEG C, and negative pressure -0.095MPa is dehydrated 1h, it
It is cooled to 60 DEG C of T12 that 23.9% IPDI and 0.1% is added afterwards, 75 DEG C are warming up to after being dispersed with stirring, sufficiently reacts 3h cooling
It is discharged to 55 DEG C, after filtering to get performed polymer is arrived.
(2) preparation of polyamine
By percentage to the quality, the titanium dioxide of 40% Desmophen NH 1420,32%, 9% anti-corrosion face is first added
Material, 5% molecular sieve, 1.5% BYK-161,1% BYK-066N, 1.5% BYK-P104S, 0.2% GARAMATE-
4% butyl acetate and 5% is added using high speed disperser rapid dispersion 45min in 1958 and 0.8% BASF-B97 later
Propylene glycol methyl ether acetate, continue high speed dispersion 40min, stand 5min after discharging to get arrive polyamine.
(3) preparation of polyurea type Polyaspartic Ester-Based Coatings coating
After performed polymer in (1) and the polyamine in (2) are mixed according to mass ratio 1:1, the case where not being mixed into bubble
Under 3-5min is sufficiently stirred, be then allowed to stand 1min, import in mold, the film of preparation conserves 96h at the standard conditions, turns over later
Face continues to conserve 72h at the standard conditions, finally obtains the film of 1.5 ± 0.2mm of single layer, and test performance.
Embodiment 4:
(1) preparation of NCO terminated prepolymer
By percentage to the quality, the PCL that 50% PCD N963 and 10% is added is added in reaction flask, is warming up to 105
DEG C, negative pressure -0.095MPa is dehydrated 1h, 60 DEG C of T12 that 39.9% IPDI and 0.1% is added is cooled to later, after being dispersed with stirring
75 DEG C are warming up to, 4h is sufficiently reacted and is cooled to 55 DEG C, is discharged after filtering to get performed polymer is arrived.
(2) preparation of polyamine
By percentage to the quality, the titanium dioxide of 80% Desmophen NH 1420,10%, 5% anti-corrosion face is first added
Material, 1.5% BYK-163,1% BYK-066N, 1.5% BYK-P104S, 0.1% GARAMATE-1958 and 0.9%
Ciba-TUV292 stand after 5min discharging to get polyamine is arrived using high speed disperser rapid dispersion 45min.
(3) preparation of polyurea type Polyaspartic Ester-Based Coatings coating
After performed polymer in (1) and the polyamine in (2) are mixed according to mass ratio 1:1, the case where not being mixed into bubble
Under 3-5min is sufficiently stirred, be then allowed to stand 1min, import in mold, the film of preparation conserves 96h at the standard conditions, turns over later
Face continues to conserve 72h at the standard conditions, finally obtains the film of 1.5 ± 0.2mm of single layer, and test performance.
Embodiment 5:
(1) preparation of NCO terminated prepolymer
By percentage to the quality, 40.5% PTMG-2000 is added and 37% DL-2000 is added in reaction flask, rises
For temperature to 105 DEG C, negative pressure -0.095MPa is dehydrated 1h, is cooled to 60 DEG C of T12 that 22.3% HDI and 0.2% is added, stirring later
It is warming up to 75 DEG C after dispersion, sufficiently reacts 4h and is cooled to 55 DEG C, is discharged after filtering to get performed polymer is arrived.
(2) preparation of polyamine
By percentage to the quality, the titanium dioxide of 37% Desmophen NH 1420,30%, 8% anti-corrosion face is first added
Material, 2% molecular sieve, 3% BYK-163,2% BYK-066N, 2% BYK-P104S, 0.2% R-974 and 0.8%
Ciba-TUV292 5% butyl acetate and 10% propylene glycol are added later using high speed disperser rapid dispersion 45min
Methyl ether acetate continues high speed dispersion 40min, discharges after standing 5min to get polyamine is arrived.
(3) preparation of polyurea type Polyaspartic Ester-Based Coatings coating
After performed polymer in (1) and the polyamine in (2) are mixed according to mass ratio 1:1.1, in the feelings for not being mixed into bubble
3-5min is sufficiently stirred under condition, is then allowed to stand 1min, imports in mold, the film of preparation conserves 96h at the standard conditions, later
Turn-over continuation conserves 72h at the standard conditions, finally obtains the film of 1.5 ± 0.2mm of single layer, and test performance.
Embodiment 6:
(1) preparation of NCO terminated prepolymer
By percentage to the quality, 50% F1190 is added and 10% F1700 is added in reaction flask, is warming up to 105
DEG C, negative pressure -0.095MPa is dehydrated 1h, is cooled to 60 DEG C of T12 that 39.9% H12MDI and 0.1% is added later, is dispersed with stirring
After be warming up to 75 DEG C, sufficiently react 4h be cooled to 55 DEG C, after filtering discharge to get arrive performed polymer.
(2) preparation of polyamine
By percentage to the quality, first be added 25% Desmophen NH 1420,17% Desmophen NH 1520,
30% titanium dioxide, 9% anti-corrosion paint, 5% molecular sieve, 1.5% BYK-161,1% BYK-066N, 1.5%
BYK-P104S, 0.2% GARAMATE-1958 and 0.8% Ciba-TUV292, use high speed disperser rapid dispersion
5% butyl acetate and 4% propylene glycol methyl ether acetate is added in 45min later, continues high speed dispersion 40min, stands
It is discharged after 5min to get polyamine is arrived.
(3) preparation of polyurea type Polyaspartic Ester-Based Coatings coating
After performed polymer in (1) and the polyamine in (2) are mixed according to mass ratio 1:1.5, in the feelings for not being mixed into bubble
3-5min is sufficiently stirred under condition, is then allowed to stand 1min, imports in mold, the film of preparation conserves 96h at the standard conditions, later
Turn-over continuation conserves 72h at the standard conditions, finally obtains the film of 1.5 ± 0.2mm of single layer, and test performance.
As can be seen from the above table, the surface drying time adjustable extent of embodiment is wider, between 1h to 6h, film-forming state
Well, intensity is big compared with high and elongation at break, and chemical mediator-resitant property is excellent.Preparation method is simple, is convenient for practice of construction, is good
Good protective face applies material and Metal Substrate anticorrosion coating material.
The above-mentioned description to embodiment is that this Shen can be understood and applied for the ease of those skilled in the art
Please.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without paying creative labor.Therefore, the application is not limited to implementation here
Example, those skilled in the art make according to herein disclosed content in the case where not departing from the application scope and spirit
It improves and modifies all within the scope of the present application.
Claims (16)
1. a kind of polyurea type Polyaspartic Ester-Based Coatings feedstock composition, which is characterized in that it includes the performed polymers of NCO sealing end
And polyamine, the performed polymer of the NCO sealing end and the mass ratio of the polyamine are 1:(0.8-1.6)；
The performed polymer of the NCO sealing end prepares the polymer polyatomic alcohol that raw material includes: 60%-80%, 19.5%-39.9%'s
The catalyst of aliphatic isocyanates and 0.1%-0.5%, the percentage are that the quality of each component accounts for the NCO sealing end
The mass percent for preparing raw material of performed polymer, the sum of each component percentage are 100%；
The polyamine prepare raw material include: the polyaspartic ester resin of 37%-80%, 10%-40% filler,
The wetting dispersing agent of 1%-5%, the defoaming agent of 0.5%-2%, the anti-settling auxiliary agent of 0.1%-1% and the solvent of 0-15%；Institute
The mass percent for preparing raw material that the quality that percentage is each component accounts for the polyamine is stated, the sum of each component percentage is
100%.
2. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as described in claim 1, which is characterized in that further include having
Solvent.
3. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as described in claim 1, which is characterized in that described to contain
The performed polymer of NCO sealing end and the mass ratio of the polyamine are 1:(0.8-1.6).
4. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as described in claim 1, which is characterized in that the polymerization
Object polyalcohol is selected from one of polyether polyol, the pure and mild polytetrahydrofuran polyol of polyester polyols or a variety of, the polymer
The degree of functionality of polyalcohol is 2, and number-average molecular weight is 1000~5000；
The aliphatic isocyanates are selected from hexamethylene diisocyanate, 4,4- dicyclohexyl methane diisocyanate, different Fo Er
One of ketone diisocyanate, hexamethylene diisocyanate trimer, isophorone diisocyanate trimer are a variety of；
The catalyst is organic tin catalyst.
5. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as claimed in claim 4, which is characterized in that the fat
Race's isocyanates be selected from hexamethylene diisocyanate, 4,4- dicyclohexyl methane diisocyanate, isophorone diisocyanate,
One of hexamethylene diisocyanate trimer, isophorone diisocyanate trimer are a variety of；
And/or the catalyst is stannous octoate T9 or dibutyl tin dilaurate T12.
6. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as described in claim 1, which is characterized in that the poly- day
L-aminobutanedioic acid ester resin is in Desmophen NH 1420, Desmophen NH 1220 and Desmophen NH 1520
One or more, the degree of functionality of the polyaspartic ester resin is 2, NH equivalent between 230-291g/mol.
7. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as described in claim 1, which is characterized in that the filler
For one of titanium dioxide, molecular sieve, barium sulfate, talcum powder and anti-corrosion paint or a variety of；
And/or the wetting dispersing agent is organic silicon dispersing agent；
And/or the defoaming agent is organic silicon or the dispersing agent without organic silicon；
And/or the anti-settling auxiliary agent is in fumed silica and/or organobentonite.
8. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as claimed in claim 7, which is characterized in that the wetting
Dispersing agent is one of BYK-163, BYK-161, BYK-110 and BYK-P104s or a variety of；
And/or the defoaming agent is one or more of BYK-066N, BYK-085, BYK-054 and BYK-052N；
And/or fumed silica is to win wound Degussa R974 and Cabot TS720；
And/or organobentonite is the GARAMITE-1958 of Bi Ke chemistry.
9. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as claimed in claim 2, which is characterized in that described organic
Solvent is one of octyl acetate, butyl acetate and propylene glycol methyl ether acetate or a variety of.
10. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as described in claim 1, which is characterized in that it is also wrapped
Ultraviolet absorber or light stabilizer are included, wherein the ultraviolet absorber or light stabilizer are that liquid amine is obstructed light stabilizer, institute
The content of ultraviolet absorber is stated as the 0.1%-1% of the quality for preparing raw material of the polyamine.
11. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as claimed in claim 10, which is characterized in that the purple
Outer absorbent or light stabilizer are one of BASF-B97, BASF-B75, BASF-765 and BASF-571 or a variety of.
12. polyurea type Polyaspartic Ester-Based Coatings feedstock composition as described in claim 1, which is characterized in that the NCO
Terminated prepolymer is to react to obtain with the isocyanates after the polymer polyol dehydration of alcohols；Preferably, by the polymerization
Object polyalcohol, the plasticizer are warming up to 105~120 DEG C of dehydrations, and negative pressure is dehydrated 1~3h, is cooled to 50~65 DEG C of additions later
The isocyanates is warming up to 75~85 DEG C after being dispersed with stirring, react 2~4h, be cooled to 50~60 DEG C, filtering and discharging；
And/or the polyamine is by the polyaspartic ester resin, the filler, the wetting dispersing agent, described disappears
Infusion, the anti-settling auxiliary agent and the ultraviolet absorber are added in open-top receptacle, and stirring 1-2h is mixed them thoroughly；More preferably
The solvent was added using high speed dispersion agent rapid dispersion -90 minutes 30 minutes in ground later, continue dispersion 30 minutes -60 points
Clock, standing -10 minutes 5 minutes can discharge.
13. it is a kind of by polyurea type Polyaspartic Ester-Based Coatings feedstock composition such as of any of claims 1-12 Lai
The method for preparing polyurea type Polyaspartic Ester-Based Coatings, the method includes by the NCO terminated prepolymer and described polynary
Amine is stirred.
14. the method for preparation polyurea type Polyaspartic Ester-Based Coatings as claimed in claim 13, which is characterized in that the side
Method is included in be not mixed into bubble in the case where, the NCO terminated prepolymer and the polyamine are stirred.
15. a kind of prepared by the method according to claim 13 or 14 for preparing polyurea type Polyaspartic Ester-Based Coatings
Polyurea type Polyaspartic Ester-Based Coatings.
16. polyurea type Polyaspartic Ester-Based Coatings as claimed in claim 15 are in the painting of preparation surfacecti proteon face and various bases
Application in material waterproof and anticorrosion coating.
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| CN110845685A (en) * | 2019-12-12 | 2020-02-28 | 中国科学院长春应用化学研究所 | Polyaspartic acid ester and polyurea-based repairing material for repairing polyurethane foam of automobile instrument panel, and preparation method and repairing method thereof |
| CN112409898A (en) * | 2020-10-30 | 2021-02-26 | 广东聚石科技研究有限公司 | Waterproof coating and preparation method and application thereof |
| CN112824471A (en) * | 2019-11-19 | 2021-05-21 | 立邦涂料（中国）有限公司 | High-weather-resistance transparent coating composition and preparation method and application thereof |
| CN114854292A (en) * | 2022-06-14 | 2022-08-05 | 上海缘护新材料有限公司 | Bi-component coating special for repairing wind power blade surface coating |
| CN115403995A (en) * | 2022-09-22 | 2022-11-29 | 中国航发北京航空材料研究院 | Polyurea coating for surface of fiber board |
| CN115418155A (en) * | 2022-08-25 | 2022-12-02 | 荆门科顺新材料有限公司 | Repairing composition for waterproof coiled material and method for repairing waterproof coiled material |
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| CN114854292A (en) * | 2022-06-14 | 2022-08-05 | 上海缘护新材料有限公司 | Bi-component coating special for repairing wind power blade surface coating |
| CN115418155A (en) * | 2022-08-25 | 2022-12-02 | 荆门科顺新材料有限公司 | Repairing composition for waterproof coiled material and method for repairing waterproof coiled material |
| CN115403995A (en) * | 2022-09-22 | 2022-11-29 | 中国航发北京航空材料研究院 | Polyurea coating for surface of fiber board |
| CN115895415A (en) * | 2023-02-10 | 2023-04-04 | 广东英凯建筑材料有限公司 | Weather-resistant and temperature-change-resistant polyurea coating as well as preparation method and application thereof |
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Application publication date: 20190319 |