CN108047920A - A kind of bi-component high abrasion waterborne acrylic polyurethane surface paint and preparation method thereof - Google Patents
A kind of bi-component high abrasion waterborne acrylic polyurethane surface paint and preparation method thereof Download PDFInfo
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- CN108047920A CN108047920A CN201711241200.6A CN201711241200A CN108047920A CN 108047920 A CN108047920 A CN 108047920A CN 201711241200 A CN201711241200 A CN 201711241200A CN 108047920 A CN108047920 A CN 108047920A
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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
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
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- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- 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
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
- C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
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- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- 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
- C08G18/4063—Mixtures of compounds of group C08G18/62 with other macromolecular compounds
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- 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
- C08G18/4833—Polyethers containing oxyethylene units
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- 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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
- C08G18/622—Polymers of esters of alpha-beta ethylenically unsaturated carboxylic acids
- C08G18/6225—Polymers of esters of acrylic or methacrylic acid
- C08G18/6229—Polymers of hydroxy groups containing esters of acrylic or methacrylic acid with aliphatic polyalcohols
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/6692—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/34
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- 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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
A kind of bi-component high abrasion waterborne acrylic polyurethane surface paint of the present invention and preparation method thereof, is related to a kind of coating composition.The bi-component high abrasion waterborne acrylic polyurethane surface paint of the present invention, including component A and B component；Component A includes modified water-soluble hydroxyl acrylic emulsion, modification acrylate polyalcohol emulsion, deionized water, inorganic pigment, filler, auxiliary agent；B component is modified polyisocyanate curing agent.The bi-component high abrasion waterborne acrylic polyurethane surface paint of the present invention has excellent Physical Mechanical, wearability, impact resistance, and bright in color is plentiful, there is preferable weatherability, water resistance, oil resistivity, chemical resistance.Have that paint film drying time is short simultaneously, solvent-free volatilization, it is environmentally protective the advantages of.It is widely used in ship, electric power, mechanical equipment etc..
Description
Technical field
The present invention relates to a kind of water paint field, more particularly to a kind of bi-component high abrasion Aqueous acrylic urethane
Finishing coat and preparation method thereof.
Background technology
At present, though more mature solvent-based two-component acroleic acid polyurethane coating is with excellent physical mechanics both at home and abroad
With the performances such as chemically-resistant, but due to containing organic solvent in solvent based coating, VOC content is high, it is volatile, smell is big,
It is toxic, the pollution of air can be caused in the production and use process, be unfavorable for health, with society continuous progress,
Country is to the pay attention to day by day of environmental protection, and in order to reduce pollution of these organic solvents to environment, water paint is included in the present by China
The developing direction of postindustrial coating, water paint greatly reduce the content of volatilizable organic matter using water as decentralized medium, reduce
Pollution to environment.It certainly will comprehensively be substituted by water paint in the application of industry-by-industry, solvent based coating, which necessarily faces, to be turned
Type upgrades, while with the development of China's machinery industry, the requirement to engineering machinery application cost performance is continuously improved so that tradition
Acrylic polyurethane finish paint be difficult to meet coating specification.It applies at present aqueous on metal machinery antirust paint and marine paint
Acrylic polyurethane finish paint its water resistance, chemical resistance, anti-radiation performance, impact resistance, wearability and weatherability are undesirable, from ring
It protects and two aspect of performance considers, therefore, to assure that the slickness of finishing coat application rear surface and intensive properties etc., it is a kind of there is an urgent need for exploitation
The aqueous dual-component acrylic polyurethane finish paint of function admirable.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of high-low temperature resistant, chemically-resistant solvents, have stronger adhesive force, resist
Bi-component high abrasion waterborne acrylic polyurethane surface paint of impact, wearability and weatherability and preparation method thereof.
A kind of bi-component high abrasion waterborne acrylic polyurethane surface paint of the present invention, including component A and B component.
The component A is made of the component of following parts by weight：35~65 parts of modified water-soluble hydroxyl acrylic emulsion, 25~
55 parts of modification acrylate polyalcohol emulsion, 10~30 parts of deionized water, 2~5 parts of inorganic pigment, 10~25 parts fill out
Material, 2~3 parts of auxiliary agent.
The auxiliary agent includes dispersant, levelling agent and antifoaming agent.
The filler is barium sulfate, the one or more in talcum powder, barium carbonate, kaolin, mica powder.
The inorganic pigment is the one or more in titanium dioxide, iron oxide red, mica powder, carbon black or phthalocyanine blue.
The dispersant is alkyl coupling agent, one kind in aminomethylpropanol, ammonium polyacrylate salt, polyacrylic acid sodium salt
It is or a variety of.
The levelling agent is one or both of polyacrylic acid, carboxymethyl cellulose.
The antifoaming agent is one or both of dimethicone, organic silicon defoamer.
The preparation method of the modified water-soluble hydroxyl acrylic emulsion is：
Weigh following component raw material respectively by weight：Propylene glycol methyl ether acetate 40~60, monomeric acrylic 10~15,
Hydroxyethyl methacrylate 10~12, methyl methacrylate 10~14, butyl acrylate 10~13, initiator diphenyl peroxide
Formyl 0.4~1, neutralizer triethylamine 3~10, deionized water 10~30.
Monomeric acrylic, hydroxyethyl methacrylate, methyl methacrylate, butyl acrylate and accounting for are drawn by formula ratio
The dibenzoyl peroxide of agent total amount 20% is sent out, is pumped into after mixing in dropwise adding tank, it is spare.
Propylene glycol methyl ether acetate is added in the reaction kettle with stirring by formula ratio, reaction kettle cover is closed, opens stirring,
108~112 DEG C are heated to, starts that the mixture being pre-stored in dropwise adding tank is slowly added dropwise, time for adding is controlled in 1.5~2h
It completes, 1~1.2h is kept the temperature after being added dropwise to complete；Then remaining initiator dibenzoyl peroxide is added dropwise, continues 3~4h of heat preservation；
Then cool to 50~60 DEG C, add in neutralizer triethylamine, adjust PH to 7, be eventually adding deionized water emulsification, consolidate
Body content is 40% modified water-soluble hydroxyl acrylic emulsion.
The preparation method of the modification acrylate polyalcohol emulsion is：
Weigh following component raw material respectively by weight：Monomer styrene 20~25, butyl acrylate 10~13, methyl-prop
The emulsifier 3~4 of e pioic acid methyl ester 10~15, propenoic acid beta~hydroxypropyl acrylate 10~12,0P~10, emulsifier neopelex 3
~6, initiator potassium persulfate 0.3~0.8.PH value buffer agent sodium acid carbonate 1.5~4, deionized water 10~25.
By monomer styrene, butyl acrylate, methyl methacrylate, propenoic acid beta~hydroxypropyl acrylate and breast is accounted for by formula ratio
Emulsifier 0P~10, neopelex and the deionized water of the 60% of agent total amount are added in mixing kettle, rotating speed control
Then emulsion is pumped into dropwise adding tank by system in 600r/min, stirring 40min, spare.
Initiator potassium persulfate is dissolved in deionized water by formula ratio, and is pumped into another dropwise adding tank, it is spare.
Deionized water, remaining emulsifier 0P-10, neopelex, PH are added in the reaction kettle with stirring
It is worth buffer sodium acid carbonate, closes reaction kettle cover, open stirring, is heated to 75 DEG C, while is slowly added dropwise and is pre-stored in dropwise addition
Emulsion and initiator potassium persulfate solution in slot when control dripping quantity arrives separately at 1/10, stop being added dropwise, insulation reaction
45min after heat preservation, continues that remaining emulsion and initiator is added dropwise, time for adding control is completed in 2~3h, dripped
It into 1.5~2h of rear heat preservation, then cools to 40~50 DEG C, is filtered, obtain modified acroleic acid ester polyol breast
Liquid.
The preparation method of the component A is：
Modified water-soluble hydroxyl acrylic emulsion, modification acrylate polyalcohol emulsion are added in material-compound tank by formula ratio,
Stirring is opened, control speed of agitator sequentially adds filler, pigment, then promote speed of agitator to 1100 to 600~1000r/min
~1300r/min stirs 30min, enters sand mill circular grinding with 100 mesh sieve net filtrations, 50~60 DEG C of control material temperature,
Fineness is controlled to be less than 25um；The qualified slurry of fineness grinding is entered in letdown tank, opens stirring in 150~250r/min colors
Slurry toning adds levelling agent, antifoaming agent, dispersant to meeting the requirements；Viscosity is adjusted to 80~100 with deionized water after stirring evenly
(S)/and -4 are applied, it filtered, packed to get to component A with 150 mesh vibrating screens.
The B component is modified polyisocyanate curing agent.
The preparation method of the modified polyisocyanate curing agent is：
Weigh following component raw material respectively by weight：Polyglycol ether 8~13, acetone 10~13, emulsification modifying agent two
Hydroxymethyl propionic acid 1~1.5,2,4 toluene diisocyanate 12~18, catalyst dibutyl tin dilaurate 0.5~0.7, neutralization
Agent triethylamine 1~3.
Polyglycol ether, acetone, emulsification modifying agent dihydromethyl propionic acid are added in the reaction kettle with stirring, closes reaction
Kettle cover opens stirring, is heated to 68 DEG C, and 2,4- toluene di-isocyanate(TDI)s are slowly added dropwise, and time for adding is controlled in 1~1.5h
It completes, then adds in catalyst dibutyl tin dilaurate, 1.5~2h of insulation reaction cools to 35~40 DEG C, in addition
With agent triethylamine, PH to 7 is adjusted, obtains modified polyisocyanate curing agent.
A kind of application method of bi-component high abrasion waterborne acrylic polyurethane surface paint of the present invention, comprises the following steps：
Component A and B component are mixed, after being mixed thoroughly, addition deionized water, adjusting viscosity to 35~55 (S)/painting -4,
Up to a kind of bi-component high abrasion waterborne acrylic polyurethane surface paint.
A kind of bi-component high abrasion waterborne acrylic polyurethane surface paint of the present invention and preparation method thereof is unlike the prior art
Part is：The waterborne acrylic polyurethane surface paint of the present invention has excellent physical mechanical property, can high-low temperature resistant, chemically-resistant
Solvent has stronger adhesive force, impact resistance, wearability and weatherability.Have that paint film drying time is short simultaneously, it is solvent-free to wave
Hair, it is environmentally protective the advantages of.
Specific embodiment
With the following Examples with checking test to a kind of bi-component high abrasion Aqueous acrylic urethane face of the present invention
Paint and preparation method thereof is further described.
Embodiment
A kind of preparation method of bi-component high abrasion waterborne acrylic polyurethane surface paint of the present embodiment comprises the following steps：
First, the preparation of component A：
1st, the preparation of modified water-soluble hydroxyl acrylic emulsion：
By monomeric acrylic 150kg, hydroxyethyl methacrylate 110kg, methyl methacrylate 130kg, acrylic acid fourth
Ester 120kg and initiator dibenzoyl peroxide 1.2kg, is pumped into dropwise adding tank after mixing, spare.
Propylene glycol methyl ether acetate 550kg is added in the reaction kettle with stirring, reaction kettle cover is closed, opens stirring, add
Heat is warming up to 110 DEG C, starts that the mixture being pre-stored in dropwise adding tank is slowly added dropwise, time for adding control is completed in 2h, is dripped
Into rear heat preservation 1.2h；Then remaining initiator dibenzoyl peroxide 4.8kg is added dropwise, continues to keep the temperature 3.5h；Then cooling drop
Temperature to 50 DEG C, add in neutralizer triethylamine 25kg, adjust PH to 7, be eventually adding deionized water 30kg be stirred emulsification to get
To the modified water-soluble hydroxyl acrylic emulsion that solid content is 40%.
2nd, the preparation of modification acrylate polyalcohol emulsion：
By monomer styrene 250kg, butyl acrylate 120kg, methyl methacrylate 140kg, propenoic acid beta-hydroxy propyl ester
100 and 1.8kg emulsifiers 0P-10,3.6kg emulsifier neopelex and deionized water 20kg add in mixing kettle
In, then emulsion is pumped into dropwise adding tank by rotating speed control in 600r/min, stirring 40min, spare.
Initiator potassium persulfate 4.5kg is dissolved in 30kg deionized waters, and is pumped into another dropwise adding tank, it is spare.
Deionized water 150kg, 0P-10 emulsifier 1.2kg, emulsifier detergent alkylate are added in the reaction kettle with stirring
Sodium sulfonate 2.4kg, pH value buffer agent sodium acid carbonate 18kg close reaction kettle cover, open stirring, be heated to 75 DEG C, simultaneously
The emulsion and initiator potassium persulfate solution being pre-stored in dropwise adding tank is slowly added dropwise, when control dripping quantity arrives separately at 1/10,
Stop being added dropwise, insulation reaction 45min, after heat preservation, continue that remaining emulsion and initiator is added dropwise, time for adding control exists
3h is completed, and 2h is kept the temperature after being added dropwise to complete, then cools to 45 DEG C, through 150 mesh sieve net filtrations, it is more to obtain modification acrylate
First alcohol lotion.
3rd, modified water-soluble hydroxyl acrylic emulsion 600kg obtained, modification acrylate polyalcohol emulsion 400kg are added in
In material-compound tank, stirring is opened, control speed of agitator sequentially adds filler barium carbonate 8kg, mica powder 6kg, face to 8000r/min
Expect phthalocyanine blue 5kg, then promote speed of agitator and stir 30min to 12000r/min, after 100 mesh sieve net filtrations, filtered fluid is thrown
Enter sand mill circular grinding, 55 DEG C of control material temperature, control fineness is less than 25um；The qualified material input of fineness grinding is converted
In dilute tank, stirring is opened, control speed of agitator adds levelling agent polyacrylic acid 0.8kg, antifoaming agent dimethyl to 250r/min
Silicone oil 1.2kg, dispersant aminomethylpropanol 1kg, with deionized water 110kg after stirring evenly, adjustment viscosity to 80 (S)/painting-
4, it is filtered, packed with 150 mesh vibrating screens, that is, component A is made.
2nd, the preparation of B component
Polyglycol ether 110kg, acetone 105kg, emulsification modifying agent dihydroxymethyl third are added in the reaction kettle with stirring
Sour 12kg closes reaction kettle cover, opens stirring, be heated to 68 DEG C, 2,4- toluene di-isocyanate(TDI) 160kg are slowly added dropwise,
Time for adding control is completed in 1.5h, and then addition catalyst dibutyl tin dilaurate 6kg, insulation reaction 2h cool
To 40 DEG C, neutralizer triethylamine 16kg is added in, PH to 7 is adjusted, obtains modified polyisocyanate curing agent, that is, B component is made.
It is 9 in mass ratio by component A obtained in embodiment and B component：1 is mixed abundant, addition deionized water tune
Viscosity is saved to 45 (S)/painting -4,10min is waited, after the bubble of coating surface disappears, is then sprayed on sample steel plate, spray
Film thickness is 80um.
Properties of product obtained in embodiment are detected, the results are shown in Table 1.
The performance of product in 1 embodiment of table
From result in table 1, a kind of bi-component high abrasion waterborne acrylic polyurethane surface paint of the invention has excellent
Antiseptic property, acid-fast alkali-proof, chemically-resistant solvent, weatherability have stronger adhesive force, impact resistance and wear-resisting property.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of from the principle and substance of the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (8)
1. a kind of bi-component high abrasion waterborne acrylic polyurethane surface paint, it is characterised in that：Including component A and B component；The A
Component is made of the component of following parts by weight：35~65 parts of modified water-soluble hydroxyl acrylic emulsion, 25~55 parts of modification third
Olefin(e) acid ester polyol lotion, 10~30 parts of deionized water, 2~5 parts of inorganic pigment, 10~25 parts of filler, 2~3 parts
Auxiliary agent；The B component is modified polyisocyanate curing agent.
2. bi-component high abrasion waterborne acrylic polyurethane surface paint according to claim 1, it is characterised in that：The filler
For the one or more in barium sulfate, talcum powder, barium carbonate, kaolin, mica powder.
3. bi-component high abrasion waterborne acrylic polyurethane surface paint according to claim 1, it is characterised in that：It is described inorganic
Pigment is the one or more in titanium dioxide, iron oxide red, mica powder, carbon black or phthalocyanine blue.
4. bi-component high abrasion waterborne acrylic polyurethane surface paint according to claim 1, it is characterised in that：The auxiliary agent
Including dispersant, levelling agent and antifoaming agent.The dispersant is alkyl coupling agent, aminomethylpropanol, ammonium polyacrylate salt, poly-
One or more in acrylic acid sodium salt；The levelling agent is one or both of polyacrylic acid, carboxymethyl cellulose；It is described
Antifoaming agent is one or both of dimethicone, organic silicon defoamer.
5. bi-component high abrasion waterborne acrylic polyurethane surface paint according to claim 1, it is characterised in that：The modification
The preparation method of water-based hydroxyl acrylic emulsion is：
(1) following component raw material is weighed respectively by weight：Propylene glycol methyl ether acetate 40~60, monomeric acrylic 10~15,
Hydroxyethyl methacrylate 10~12, methyl methacrylate 10~14, butyl acrylate 10~13, initiator diphenyl peroxide
Formyl 0.4~1, neutralizer triethylamine 3~10, deionized water 10~30.
(2) monomeric acrylic, hydroxyethyl methacrylate, methyl methacrylate, butyl acrylate and accounting for are drawn by formula ratio
The dibenzoyl peroxide of agent total amount 20% is sent out, is pumped into after mixing in dropwise adding tank, it is spare.
(3) propylene glycol methyl ether acetate is added in the reaction kettle with stirring by formula ratio, closes reaction kettle cover, open stirring,
108~112 DEG C are heated to, starts that the mixture being pre-stored in dropwise adding tank is slowly added dropwise, time for adding is controlled in 1.5~2h
It completes, 1~1.2h is kept the temperature after being added dropwise to complete；Then remaining initiator dibenzoyl peroxide is added dropwise, continues 3~4h of heat preservation；
Then cool to 50~60 DEG C, add in neutralizer triethylamine, adjust PH to 7, be eventually adding deionized water emulsification, consolidate
Body content is 40% modified water-soluble hydroxyl acrylic emulsion.
6. bi-component high abrasion waterborne acrylic polyurethane surface paint according to claim 1, it is characterised in that：The modification
The preparation method of acryl polyol lotion is：
(1) following component raw material is weighed respectively by weight：Monomer styrene 20~25, butyl acrylate 10~13, methyl-prop
The emulsifier 3~4 of e pioic acid methyl ester 10~15, propenoic acid beta~hydroxypropyl acrylate 10~12,0P~10, emulsifier neopelex 3
~6, initiator potassium persulfate 0.3~0.8.PH value buffer agent sodium acid carbonate 1.5~4, deionized water 10~25.
(2) by monomer styrene, butyl acrylate, methyl methacrylate, propenoic acid beta~hydroxypropyl acrylate and emulsification is accounted for by formula ratio
Emulsifier 0P~10, neopelex and the deionized water of the 60% of agent total amount are added in mixing kettle, rotating speed control
In 600r/min, 40min is stirred, then emulsion is pumped into dropwise adding tank, it is spare.
(3) initiator potassium persulfate is dissolved in deionized water by formula ratio, and be pumped into another dropwise adding tank, it is spare.
(4) deionized water, remaining emulsifier 0P-10, neopelex, pH value are added in the reaction kettle with stirring
Buffer sodium acid carbonate closes reaction kettle cover, opens stirring, is heated to 75 DEG C, while is slowly added dropwise and is pre-stored in dropwise adding tank
Interior emulsion and initiator potassium persulfate solution when control dripping quantity arrives separately at 1/10, stop being added dropwise, insulation reaction
45min after heat preservation, continues that remaining emulsion and initiator is added dropwise, time for adding control is completed in 2~3h, dripped
It into 1.5~2h of rear heat preservation, then cools to 40~50 DEG C, is filtered, obtain modified acroleic acid ester polyol breast
Liquid.
7. bi-component high abrasion waterborne acrylic polyurethane surface paint according to claim 1, it is characterised in that：The A groups
Point preparation method be：Modified water-soluble hydroxyl acrylic emulsion, the addition of modification acrylate polyalcohol emulsion are matched somebody with somebody by formula ratio
In batch can, stirring is opened, control speed of agitator sequentially adds filler, pigment, then promote speed of agitator to 600~1000r/min
30min is stirred to 1100~1300r/min, enters sand mill circular grinding with 100 mesh sieve net filtrations, control material temperature 50~
60 DEG C, control fineness is less than 25um；The qualified slurry of fineness grinding is entered in letdown tank, opens stirring in 150~250r/
Min color paste tonings add levelling agent, antifoaming agent, dispersant to meeting the requirements；After stirring evenly with deionized water adjustment viscosity extremely
80~100 (S)/painting -4 are filtered with 150 mesh vibrating screens, packed to get to component A.
8. bi-component high abrasion waterborne acrylic polyurethane surface paint according to claim 1, it is characterised in that：The B groups
The preparation method of point modified polyisocyanate curing agent is：
(1) following component raw material is weighed respectively by weight：Polyglycol ether 8~13, acetone 10~13, emulsification modifying agent dihydroxy
Methylpropanoic acid 1~1.5,2,4 toluene diisocyanate 12~18, catalyst dibutyl tin dilaurate 0.5~0.7, neutralizer
Triethylamine 1~3.
(2) polyglycol ether, acetone, emulsification modifying agent dihydromethyl propionic acid are added in the reaction kettle with stirring, closes reaction
Kettle cover opens stirring, is heated to 68 DEG C, and 2,4- toluene di-isocyanate(TDI)s are slowly added dropwise, and time for adding is controlled in 1~1.5h
It completes, then adds in catalyst dibutyl tin dilaurate, 1.5~2h of insulation reaction cools to 35~40 DEG C, in addition
With agent triethylamine, PH to 7 is adjusted, obtains modified polyisocyanate curing agent.
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| CN108864916A (en) * | 2018-07-19 | 2018-11-23 | 上海福岛新材料科技有限公司 | A kind of high hardness wear-resisting water paint |
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| CN108864916A (en) * | 2018-07-19 | 2018-11-23 | 上海福岛新材料科技有限公司 | A kind of high hardness wear-resisting water paint |
| WO2020019163A1 (en) * | 2018-07-24 | 2020-01-30 | 江苏科力斯通新材料有限公司 | Novel composite material |
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| CN112876977A (en) * | 2018-10-15 | 2021-06-01 | 刘鹏 | Environment-friendly coating of polyaryletherketone modified waterborne polyurethane resin |
| CN112898531A (en) * | 2018-10-15 | 2021-06-04 | 刘鹏 | Polyaryletherketone modified waterborne polyurethane resin |
| CN112876977B (en) * | 2018-10-15 | 2021-12-21 | 广东华楠树环保涂料有限公司 | Environment-friendly coating of polyaryletherketone modified waterborne polyurethane resin |
| CN112898531B (en) * | 2018-10-15 | 2021-12-21 | 广东嘉元新材料有限公司 | Polyaryletherketone modified waterborne polyurethane resin |
| CN109880517A (en) * | 2019-03-12 | 2019-06-14 | 浙江纳美新材料股份有限公司 | A kind of dedicated UV mill base of woodenware |
| CN109943216A (en) * | 2019-03-22 | 2019-06-28 | 南京东顶化工有限公司 | A kind of height protects light and protects color acrylic acid modified polyurethane finishing coat and preparation method thereof |
| US11958986B2 (en) | 2019-04-01 | 2024-04-16 | Lg Chem, Ltd. | Antibacterial polymer coating composition and antibacterial polymer film |
| EP3819345A4 (en) * | 2019-04-01 | 2021-10-06 | Lg Chem, Ltd. | Antibacterial polymer coating composition and antibacterial polymer film |
| CN110054722A (en) * | 2019-04-08 | 2019-07-26 | 江门市邦德涂料有限公司 | A kind of high richness Aqueous acrylic urethane coating composition and preparation method thereof including water-based hydroxyl acrylic acid dispersion resin |
| WO2021109106A1 (en) * | 2019-12-06 | 2021-06-10 | Dow Global Technologies Llc | Two-component polyurethane composition |
| US11732082B2 (en) | 2019-12-06 | 2023-08-22 | Dow Global Technologies Llc | Two-component polyurethane composition |
| CN114667326B (en) * | 2019-12-06 | 2024-02-02 | 陶氏环球技术有限责任公司 | Two-component polyurethane compositions |
| CN114667326A (en) * | 2019-12-06 | 2022-06-24 | 陶氏环球技术有限责任公司 | Two-component polyurethane composition |
| CN117050597A (en) * | 2023-08-29 | 2023-11-14 | 广东领跑新材料科技有限公司 | High-wear-resistance water-based acrylic finish paint for ground as well as preparation method and application thereof |
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Application publication date: 20180518 |