CN106243966B - A kind of double-component aqueous woodenware white finish paint of composite multifunction and preparation method thereof - Google Patents

A kind of double-component aqueous woodenware white finish paint of composite multifunction and preparation method thereof Download PDF

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Publication number
CN106243966B
CN106243966B CN201610749993.1A CN201610749993A CN106243966B CN 106243966 B CN106243966 B CN 106243966B CN 201610749993 A CN201610749993 A CN 201610749993A CN 106243966 B CN106243966 B CN 106243966B
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component
water
aqueous
production
double
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CN106243966A (en
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丘子范
冯星俊
刘光勇
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Guangdong Yisiman New Materials Polytron Technologies Inc
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Guangdong Yisiman New Materials Polytron Technologies Inc
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1656Antifouling paints; Underwater paints characterised by the film-forming substance
    • C09D5/1662Synthetic film-forming substance
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1687Use of special additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a kind of double-component aqueous woodenware white finish paints of composite multifunction, and including first component, component B and water, the proportion by weight of the first component, component B and water is 100:20~25:10~20, wherein first component is made of the raw material of following mass percentage:Water based acrylic resin, composite modified self-crosslinking acrylic polymer, aqueous titanium dioxide slurry, aqueous delustering agent, antifoaming agent, wetting agent, thickener, dispersant, levelling agent, antimildew disinfectant, surplus are water;Component B is made of the raw material of following mass percentage:Hydrophilic aliphatic polyisocyanate and propylene glycol methyl ether acetate, the double-component aqueous woodenware white finish paint antibacterial of the composite multifunction is good except aldehyde spot-resistant effect, and environmental protection, hardness is good, and richness is high, moderate cost.

Description

A kind of double-component aqueous woodenware white finish paint of composite multifunction and preparation method thereof
Technical field
The invention belongs to double-component aqueous woodwork coating technical fields, and in particular to a kind of composite multifunction is double-component aqueous Woodenware white finish paint and preparation method thereof.
Background technology
For woodwork coating as a kind of ornament materials, decorative requirement and environmental-protecting performance are higher and higher, are filled as woodenware Exterior material, traditional two-component solvent type PU woodwork coatings, product formula and technique are all very ripe, and properties of product are also that can meet Higher demand, is mainly manifested in that richness is good, and hardness is higher, can reach 2H-3H, high temperature resistant and alcohol resistance are good, are not easy loss of gloss Pool, but since it contains a large amount of volatile organic matters (VOC), certain danger is all brought to the health of atmosphere pollution and construction personnel Evil is limited more and more apparent by the relevant environmental protection policy of country.And single-component water-based woodwork coating sharpest edges are environmental protection, it can be with Directly be diluted with water to construct, but at present its paint film property still have with traditional two-component solvent type PU woodwork coating ratios it is brighter Aobvious gap is mainly manifested in construction admittedly containing relatively low, and richness and hardness are poor, and hardness is generally between F-HB ranges, together When high temperature resistant and alcohol resistance it is all poor, easy loss of gloss.For this purpose, people are seeking to substitute traditional double groups with studying a kind of energy always The double-component aqueous woodwork coating of part solvent type PU woodwork coatings, because under the premise of it meets environmental-protecting performance, it more can be in woodenware table Face is had or close to the painting effect as traditional solvent-borne PU woodwork coatings.Also have in the prior art many patents or Document discloses some double-component aqueous woodwork coatings and its production method, but the painting effect in these patents, is mostly Meet some Fundamental Physical Properties indexs of environmental-protecting performance and paint film, other special additional functions are also less desirable, and cost Height, in addition, these coating mostly also without simultaneously spot-resistant and additional complex function such as antifungi, except formaldehyde the features such as, still not Performance and antibacterial can be taken into account except performances such as formaldehyde, spot-resistants.
Invention content
The purpose of the present invention is to provide a kind of double-component aqueous woodenware white finish paint of composite multifunction, the double-component aqueous wood Device white finish paint forms the good white effect coating of high richness, hardness on woodenware base material, adds complex function such as antifungi, except first The features such as aldehyde, spot-resistant, while the double-component aqueous woodenware white finish paint in the present invention does not contain the organic exhaust gas such as formaldehyde, healthy ring It protects.
The present invention also aims to provide the above-mentioned preparation side with the double-component aqueous woodenware white finish paint of composite multifunction Method, this method is simple for process, and cost is reasonable, and the expense of per kilogram can reduce by 2~3 yuan compared with similar product.
First purpose of the present invention is achieved by the following technical solution:A kind of composite multifunction is double-component aqueous Woodenware white finish paint, including first component, component B and water, the proportion by weight of the first component, component B and water is 100:20~ 25:10~20, wherein first component is made of the raw material of following mass percentage:
Water based acrylic resin 30~40%
Composite modified self-crosslinking acrylic polymer 20~30%
Aqueous titanium dioxide slurry 25~30%
Aqueous delustering agent 1~3%
Antifoaming agent 0.3~0.6%
Wetting agent 0.3~0.5%
Thickener 0.3~1.0%
Dispersant 0.3~0.6%
Levelling agent 0.2~0.4%
Antimildew disinfectant 2~3%
Surplus is water;
Component B is made of the raw material of following mass percentage:
Hydrophilic aliphatic polyisocyanate 70~75%,
Propylene glycol methyl ether acetate PMA 25~30%.
Composite modified self-crosslinking acrylic polymer wherein described in first component by following mass percentage raw material It is made:
Self-crosslinking acrylic polymer 65~70%
Dipropylene glycol methyl ether DPM 5~10%
Dipropylene DPNB 1~3%
Propylene glycol 0.5~1%
Wetting agent 0.5~1%
Dispersant 0.5~1%
Antifoaming agent 0.5~1%
Aqueous wax emulsion 1~3%
Eliminate the function additive SAMASO FA16 2~3% of formaldehyde
Antimildew disinfectant 1~2%
Surplus is water.
Aqueous titanium dioxide slurry described in first component is made of the raw material of following mass percentage:
Dispersant 3~4%
Rutile titanium white powder 70~75%
Aerosil 0.3~0.5%
Preservative 0.3~0.5%
Ultramarine 0.1~0.3%
Surplus is water.
Self-crosslinking acrylic polymer of the present invention is preferably produced purchased from U.S.'s ROHM AND HAAS (China) chemical company Aqueous acrylamide acid polymer, model elastene 3030, solid content be 48~49%, minimum film formation temperature be 0 DEG C, Without APEO and ammonium hydroxide.
Aqueous wax emulsion of the present invention is preferably the polytetrafluoro of the model WW-1077 of French Arkema's production Ethylene wax dispenser, the model BYK-539 wax emulsions of Bi Ke chemical companies of Germany production and one kind or several in modified paraffin Kind.
Elimination first of the function additive SAMASO FA16 of the present invention for eliminating formaldehyde for the production of Sa Masuo companies of Germany The specific function auxiliary agent of aldehyde, its particular molecule design can by chemical reaction by way of decompose the first adsorbed in dope layer Aldehyde, so as to achieve the effect that the quality that purifies the air of a room.
Composite membrane-forming auxiliary agent dipropylene glycol methyl ether DPM and dipropylene DPNB of the present invention are preferably purchased from the U.S. The coalescents of Dow Chemical's production.
Water based acrylic resin of the present invention is purchased from German Opel enlightening resin (Shenzhen) Co., Ltd production Water-based hydroxyl acrylate copolymer, the product type are AC 27401.Its hydroxy radical content is 4.7%, solid content for 37~ 39%, minimum film formation temperature is 15 DEG C, there is outstanding chemical resistance and a mechanical performance, easy cleaning coating and heat-resist.
Composite modified self-crosslinking acrylic polymer of the present invention is independent research intermediate, in the middle aqueous acrylamide Acid polymer is purchased from the aqueous acrylamide acid polymer of U.S.'s ROHM AND HAAS (China) chemical company production, which is Elastene 3030, solid content are 48~49%, and minimum film formation temperature is 0 DEG C, without APEO and ammonium hydroxide.
Synthetic resin emulsion currently used for producing double-component aqueous wood paint is mainly water-based hydroxyl acrylate copolymer. Some researches show that water-based hydroxyl acrylate copolymer, as a result, it has been found that different manufacturers produce the kind of such lotion and different dosages To the antibacterial of film except the influential effect of aldehyde and spot-resistant is distinguished less.
But in daily life, indoor bacterium and mould are easily grown in furniture under conditions of air humidity is larger Surface on, influence people's health;And the material plate of wood furniture may also have the residual of formaldehyde in surface treatment, while difficult Exempt from some beverages such as tea, coffee can be sprinkled upon on white furniture surface;And or child's ball pen, pen, free ink pen etc. exist Coating and drawing at random in white Furniture Factory leads to white furniture surface pole unsightly, and is difficult to some simple methods that these are dirty Stain is disposed.In order to which let us is when in face of these spots, only just these greasiness removals can need to be made white with wet rag Furniture surface is restored to as former state, while does not discharge noxious pollutant again, and present invention applicant has found by a large amount of experiment sieving, The aqueous acrylamide acid polymer of U.S.'s ROHM AND HAAS (China) chemical company production, the product type are elastene 3030, are had There is special molecular structure, can effectively be reduced by irreversible chemical reaction and decompose the formaldehyde in air, have to various base materials Have it is good put forth effort, outstanding scrub resistance and outstanding room temperature elastic, at the same its also have excellent resistance to hydrophilic stains Energy and resistance to hydrophobic stains performance, and only a small amount of coalescents is needed to can reach excellent filming performance in basic components, It is AP-Free products, without formaldehyde, meets health environment-friendly requirement.
So it is based primarily upon the excellent except aldehyde and spot-resistant performance and environmental-protecting performance refer to of the aqueous pure acrylic acid polymer Mark, the aqueous pure acrylic acid polymer, present invention applicant's final choice are given birth to using U.S.'s ROHM AND HAAS (China) chemical company The aqueous pure acrylic acid polymer elastene 3030 of production is used as main intermediate raw material, designs exclusively for raising Waterborne wood Device white finish paint spot-resistant performance and the composite modified self-crosslinking acrylic polymer designed because by many experiments, are found If 3030 aqueous acrylamide acid polymers of elastene and the direct blending of water-based hydroxyl acrylate copolymer, it is found that the two is compatible Property it is poor, particularly added in when with paint with introducing the model that hydrophilic aliphatic polyisocyanate is Bayer A.G's production For Bayhydur XP 2655, compatibility becomes worse, directly influences the final effect of bin stability and paint film, so must Elastene 3030 must be carried out composite modified.
It is its special structure of elastene 3030 that the present invention, which is directed to, using elastene 3030 as basic intermediate, Introduce hydrophilic auxiliary coalescents DPM (dipropylene glycol methyl ether) and lipophilic coalescents DPNB (dipropylene glycol fourths Ether), and add in suitable hydrophilic propylene glycol with improve elastene 3030 in aqueous double-component woodcare paint with aqueous hydroxyl Base acrylate copolymer, which is 27401 compatible stabilities of AC, while is sent out during actually with paint through overtesting Existing its can have more with model Bayhydur XP 2655 of the hydrophilic aliphatic polyisocyanate for Bayer A.G's production Good compatibility does not interfere with the chemical reaction of the esterification of AC27401 and Bayhydur XP 2655, finer and close so as to be formed Paint film.
The polyethers of model BYK-346 of the wetting agent of the present invention preferably purchased from the production of Bi Ke chemical companies of Germany changes Property polysiloxane solution and/or win wound industrial group production model TEGO-270 polyether siloxane copolymer.
The sodium polycarboxylate salt form of model SN-5040 of the dispersant of the present invention preferably purchased from Japan Nuo Puke productions Dispersant wins the organically-modified polyacrylic acid containing pigment affinity groups of model TEGO-735W that wound industrial group produces One or more of high-performance polymer type wetting dispersing agent of ester solution and model TEGO-750W.
Polyethers silica of the antifoaming agent of the present invention preferably purchased from the model TEGO-902W for winning wound industrial group production One kind or two in the antifoaming agent based on mineral oil of alkyl copolymer and the model BYK-094 of Bi Ke companies of Germany production Kind.
Model ROCIMA 342 of the antimildew disinfectant of the present invention preferably purchased from the production of Rhom and Hass of the U.S. Antimildew disinfectant, chemical composition is mainly the mixture of alkyl benzene sulphonate, octylisothiazolinone and Kocide SD;Addition The new formula of the specific function auxiliary agent of the antimildew disinfectant of the model ROCIMA 342 of Rhom and Hass of U.S. production, makes It obtains coating and has anti-microbial property, antibacterial purifying effect persistence is good.
Model CP4-8991 of the aqueous delustering agent of the present invention preferably purchased from the production of glaze chemical company of the U.S. Aqueous delustering agent.
Model R-8W and/or RM2020 of the thickener of the present invention preferably purchased from the production of DOW of America chemical company Not solvent-laden non-ionic polyurethane association thickener.
The polyethers of model BYK-333 of the levelling agent of the present invention preferably purchased from the production of Bi Ke chemical companies of Germany changes Property dimethyl silicone polymer solution and/or win wound industrial group production model TEGO-410 polyether siloxane copolymer.
Pigment in aqueous titanium dioxide slurry of the present invention includes rutile titanium white powder and ultramarine.
Hydrophilic aliphatic polyisocyanate of the present invention is preferably the model of Bayer A.G's production The chemical composition of the Bayhydur XP 2655 predominantly hydrophilic aliphatic based on hexamethylene diisocyanate (HDI) gathers different Cyanate.
Propylene glycol methyl ether acetate of the present invention is preferably the propylene glycol first of Jiangsu Hua Lun Chemical Co., Ltd.s production Ether acetate PMA environmentally friendly solvents.
In view of cost and antibacterial effect of formaldehyde, the model ROCIMA of present invention addition Rhom and Hass of U.S. production The specific function auxiliary agent of 342 antimildew disinfectant and the elimination formaldehyde of Sa Masuo companies of Germany production, model SAMASO FA16, so as to which the design of this formula be made to take into account antibacterium and antifungi, except formaldehyde and purifying air, the composite multifunction of spot-resistant.Increase Thick dose of addition is so that make the coating come in thick shape slurry, convenient for trowelling application;It antifoaming agent, wetting agent, dispersant and kills Bacterium preservative etc. is also indispensable in the design of high-performance waterborne wood coating formula.
Second goal of the invention of the present invention is achieved through the following technical solutions:Above-mentioned composite multifunction two-component The preparation method of aqueous wooden ware white finish paint, containing following steps:
(1) composite modified self-crosslinking acrylic polymer is prepared:By quantitative relation, choose and prepare composite modified self-crosslinking third Each raw material of olefin(e) acid polymer, is first derived from crosslinked acrylic acid polymer, antifoaming agent, wetting agent, dispersant and antimildew disinfectant, adds Enter part water, stirred 5~10 minutes with 800~1000 revs/min of stir speed (S.S.), then add in dipropylene glycol methyl ether, dipropyl two Alcohol butyl ether and propylene glycol are stirred 10~15 minutes with 400~600 revs/min of stir speed (S.S.), add in aqueous wax emulsion, eliminate first The function additive SAMASO FA16 and remaining water of aldehyde are stirred 5~10 minutes with 200~400 revs/min of stir speed (S.S.), are made Composite modified self-crosslinking acrylic polymer;
(2) the composite modified self-crosslinking acrylic polymer prepared in step (1) is added to water-based hydroxyl acrylic acid tree In fat, then antifoaming agent, wetting agent, thickener and dispersion are added in by quantitative relation under 400~600 revs/min of stir speed (S.S.) Agent adds in part water, is stirred 5~10 minutes with 400~600 revs/min of stir speed (S.S.), then adds in aqueous delustering agent, with 1000~1200 revs/min of stir speed (S.S.) stirs 15~20 minutes, after being distributed to fineness qualification, adds in levelling agent, antimycotic antiseptic Agent and remaining water are stirred 5~10 minutes with 300~500 revs/min of stir speed (S.S.), uniform sizing material are made;
(3) aqueous titanium dioxide slurry is prepared:Each raw material for preparing aqueous titanium dioxide slurry is chosen by quantitative relation, first takes dispersant, gold Red stone titanium dioxide, aerosil, preservative and ultramarine are added in part water, are stirred with 1200~1500 revs/min of stir speed (S.S.) It mixes 20~25 minutes, after being dispersed to fineness qualification, adds in remaining water, aqueous titanium dioxide slurry is made;
(4) aqueous titanium dioxide slurry made of step (3) is added in slurry made of step (2), with 400~500 revs/min Stir speed (S.S.) stir 20~25 minutes, first component is made;
(5) by hydrophilic aliphatic polyisocyanate and propylene glycol methyl ether acetate with 400~500 revs/min of stirring speed Rate stirs 10~15 minutes, and component B is made;
(6) first component, component B and water are chosen by quantitative relation, first adds water in first component and stir evenly, add second group Part stirs evenly, and the double-component aqueous woodenware white finish paint of composite multifunction is obtained after standing.
Further, it is specially in step (6):It is matched by following construction, first component:Component B:Water is 100:20~25: 10~20, first suitable water addition first component is first stirred evenly, after then adding in component B, then stirs, stands It sprays or brushes after 10~15 minutes.
In above-mentioned steps:
The additive amount of part water accounts for the step water gross mass 70~80% in step (1) and step (2);In step (3) The additive amount of part water accounts for the 60~70% of the step water gross mass.
The invention has the advantages that:
(1) the double-component aqueous woodenware white finish paint of the composite multifunction in the present invention assigns paint film excellent antibacterial and removes aldehyde work( Can, do not contain the organic exhaust gas such as formaldehyde, health environment-friendly, spot-resistant;
(2) the double-component aqueous woodenware white finish paint materials of composite multifunction of the present invention rationally, it is moderate cost, every physical Energy performance is outstanding, and it is good to apply performance;
(3) present invention designs compound as a result of exclusively for raising water-borne wood coating spot-resistant and except aldehyde performance Modified self-crosslinking acrylate copolymer, for improving the compatibility of product and stability;
(4) in view of cost and antibacterial effect of formaldehyde, the model of present invention addition Rhom and Hass of U.S. production The specific function auxiliary agent of the biocide mildewcide of ROCIMA 342 and the elimination formaldehyde of Sa Masuo companies of Germany production, model SAMASO FA16, cost advantage is apparent, is calculated by formulation cost, and resistant product similar with market compares discovery, and cost is put down Decline 2~3 yuan of per kilograms, more high-grade, cost declines more;The reason of its cost declines is not have to add in some spies Different organic silicon emulsion or hydrophobic auxiliary agent are come what is realized, and both rear market price is high, and dosage is also more, scrubbing resistance and spot-resistant Effect is not also lasting, and basic components cost increases significantly, while these common similar products do not have antibacterial also except aldehyde function, city Field synthesized competitiveness is general.
Description of the drawings
Fig. 1 is that the double-component aqueous woodenware white finish paint of composite multifunction made of 1-3 of the embodiment of the present invention and conventional coating are firm Spot design sketch in brushing, wherein A figures are the double-component aqueous woodenware white finish paint coating of spot-resistant common in the market, and B figures are these The double-component aqueous woodenware white finish paint of invention composite multifunction;
Fig. 2 is the double-component aqueous woodenware white finish paint of composite multifunction made of 1-3 of the embodiment of the present invention and conventional coating Result of the test control schematic diagram after spot is cleaned, wherein C figures are the double-component aqueous woodenware white finish paints of spot-resistant common in the market Coating, D figures are the double-component aqueous woodenware white finish paints of composite multifunction of the present invention.
Specific embodiment
Raw material employed in following embodiment is commercial product unless otherwise specified.
The double-component aqueous woodenware white finish paint of composite multifunction prepared by the first part present invention
Embodiment 1
The double-component aqueous woodenware white finish paint of composite multifunction provided in this embodiment, including first component, component B and water, first The proportion by weight of component, component B and water is 100:20:20, specific formula can be formulated as follows (mass percentage):
A first components:
Water based acrylic resin 30%
Composite modified self-crosslinking acrylic polymer 30%
Aqueous titanium dioxide slurry 25%
Aqueous delustering agent 3%
Antifoaming agent 0.5%
Wetting agent 0.3%
Thickener 0.5%
Dispersant 0.5%
Levelling agent 0.2%
Antimildew disinfectant 3%
Water 7%,
The sum of mass percentage of each raw material is 100% in first component;
B component Bs
Hydrophilic aliphatic polyisocyanate 75%,
Propylene glycol methyl ether acetate (PMA) 25%
The sum of each material quality percentage composition is 100%;
Wherein composite modified self-crosslinking acrylic polymer is made of the component of following mass percentage in first component:Water 10%th, self-crosslinking acrylic polymer 70%, dipropylene glycol methyl ether DPM 6.5%, dipropylene DPNB 3%, propylene glycol 1%th, wetting agent 0.5%, dispersant 0.5%, antifoaming agent 0.5%, aqueous wax emulsion 3% eliminate the specific function auxiliary agent of formaldehyde SAMASO FA16 3%, antimildew disinfectant 2%.
Wherein aqueous titanium dioxide slurry is made of the component of following mass percentage:Water 20%, dispersant 3.8%, rutile Titanium dioxide 75%, aerosil 0.5%, preservative 0.5%, ultramarine 0.2%.
Water based acrylic resin is purchased from the water-based hydroxyl propylene of German Opel enlightening resin (Shenzhen) Co., Ltd production Acid polymer, the product type are AC 27401 (4.7% hydroxy radical content).
Water soluble acrylic acid polymerization of the self-crosslinking acrylic polymer purchased from the production of U.S.'s ROHM AND HAAS (China) chemical company Object, model elastene 3030.
Dipropylene glycol methyl ether DPM and dipropylene DPNB is purchased from the coalescents of Dow Chemical company production.
Aqueous wax emulsion is the polytetrafluoroethylene (PTFE) wax dispenser of the model WW-1077 of French Arkema's production.
The specific function auxiliary agent SAMASO FA16 for eliminating formaldehyde are the special of the elimination formaldehyde of Sa Masuo companies of Germany production Function additive.
Siloxane-Oxyalkylene Copolymers solution of the wetting agent for the model BYK-346 of Bi Ke chemical companies of Germany production.
Dispersant is the model TEGO-735W of win wound industrial group production containing the organically-modified of pigment affinity groups Polyacrylate solution.
Antifoaming agent by mineral oil based on of the antifoaming agent for the model BYK-094 of Bi Ke companies of Germany production, master It is defoaming to act on, and ensures the paint film flatness of construction.
Antimildew disinfectant of the antimildew disinfectant for the model ROCIMA 342 of Rhom and Hass of U.S. production, chemistry Ingredient is mainly the mixture of alkyl benzene sulphonate, octylisothiazolinone and Kocide SD;It is added to Rhom and Hass of the U.S. The new formula of the specific function auxiliary agent of the antimildew disinfectant of the model ROCIMA 342 of production so that coating has antibiotic property Can, antibacterial purifying effect persistence is good.
The aqueous delustering agent of model CP4-8991 of the aqueous delustering agent purchased from the production of glaze chemical company of the U.S..
Not solvent-laden non-ionic polyurethane association of the thickener for the model R-8W of DOW of America chemical company production Type thickener.
Levelling agent is molten for the polyether-modified dimethyl silicone polymer of the model BYK-333 of Bi Ke chemical companies of Germany production Liquid.
Pigment in aqueous titanium dioxide slurry includes rutile titanium white powder and ultramarine.
Wherein titanium dioxide be import rutile type titanium white, model R-706, ultramarine be mainly used for adjust coating color Phase adds on a small quantity, can make coating appearance slightly blue phase, it appears whiteness higher.Any producer can be selected, do not make special It is required that.
Change of the hydrophilic aliphatic polyisocyanate for the model Bayhydur XP 2655 of Bayer A.G's production Study point hydrophilic aliphatic polyisocyanate for being predominantly based on hexamethylene diisocyanate (HDI).
Propylene glycol methyl ether acetate is molten for the propylene glycol methyl ether acetate PMA environmental protection of Jiangsu Hua Lun Chemical Co., Ltd.s production Agent.
The preparation method of the double-component aqueous woodenware white finish paint of the composite multifunction is as follows:
(1) composite modified self-crosslinking acrylic polymer is prepared:By above-mentioned dosage relation, self-crosslinking acrylic is polymerize Object, antifoaming agent, wetting agent, dispersant and antimildew disinfectant, addition are accounted in the water of the step water gross mass 70~80%, with Then stirring at low speed 5~10 minutes in 800~1000 revs/min of stir speed (S.S.) add in DPM (dipropylene glycol methyl ether), DPNB (two Propandiol butyl ether) and propylene glycol, with stirring at low speed in 400~600 revs/min of stir speed (S.S.) 10~15 minutes, add in water-borne wax Lotion eliminates the specific function auxiliary agent SAMASO FA16 of formaldehyde and antimildew disinfectant, remaining water, with 200~400 revs/min Composite modified self-crosslinking acrylic polymer is made in stirring at low speed 5~10 minutes in stir speed (S.S.);
(2) by above-mentioned dosage in another container, by slurry (composite modified self-crosslinking acrylic made of step (1) Polymer) it is added in water based acrylic resin, then with stirring at low speed condition in 400~600 revs/min of stir speed (S.S.) Lower addition antifoaming agent, wetting agent, thickener and dispersant, addition is accounted in the water of the step water gross mass 70~80%, with 400 Stirring at low speed 5~10 minutes in~600 revs/min of stir speed (S.S.), then add in aqueous delustering agent, with 1000~1200 revs/min Stir speed (S.S.) high speed stir 15~20 minutes, after being distributed to fineness qualification, add in levelling agent, antimildew disinfectant and remaining With stirring at low speed in 300~500 revs/min of stir speed (S.S.) 5~10 minutes, uniform sizing material was made in water;
(3) aqueous titanium dioxide slurry is prepared:By above-mentioned dosage relation in new container, by the dispersion in aqueous titanium white pulp material Agent, rutile titanium white powder, aerosil, preservative and ultramarine add in the water for accounting for the step water gross mass 60~70% In, with 1200~1500 revs/min of stir speed (S.S.) high-speed stirred 20~25 minutes, after being dispersed to fineness qualification, add in remaining In water, aqueous titanium dioxide slurry is made;
(4) aqueous titanium dioxide slurry made of step (3) is added in slurry made of step (2), with 400~500 revs/min Stir speed (S.S.) stirring at low speed 20~25 minutes, the double-component aqueous woodenware white finish paint first component of composite multifunction is made;
(5) by above-mentioned dosage relation in another container, by hydrophilic aliphatic polyisocyanate and propylene glycol monomethyl ether Acetate (PMA) is added in hermetically sealed container, with 400~500 revs/min of stir speed (S.S.) stirring at low speed 10~15 minutes, The double-component aqueous woodenware white finish paint component B of composite multifunction is made;
(6) construction method of the invention is matched, first component by following construction:Component B:Water=100:20:20 (mass parts Proportioning), first suitable water addition first component is first stirred evenly, after then adding in component B, then stirs, stands 10 The double-component aqueous woodenware white finish paint of composite multifunction is made after~15 minutes, is sprayed or is brushed.
Embodiment 2
The double-component aqueous woodenware white finish paint of composite multifunction provided in this embodiment, including first component, component B and water, first The proportion by weight of component, component B and water is 100:22:15, specific formula can be formulated as follows (mass percentage):
A first components:
Water based acrylic resin 35%
Composite modified self-crosslinking acrylic polymer 25%
Aqueous titanium dioxide slurry 28%
Aqueous delustering agent 2.5%
Antifoaming agent 0.4%
Wetting agent 0.4%
Thickener 0.7%
Dispersant 0.5%
Levelling agent 0.3%
Antimildew disinfectant 2.5%
Water 4.7%,
The sum of mass percentage of each raw material is 100% in first component;
B component Bs
Hydrophilic aliphatic polyisocyanate 73%,
Propylene glycol methyl ether acetate (PMA) 27%
The sum of mass percentage of each raw material is 100% in component B;
Wherein composite modified self-crosslinking acrylic polymer is made of the component of following mass percentage:Water 16.9%, Self-crosslinking acrylic polymer 67%, DPM (dipropylene glycol methyl ether) 6%, DPNB (dipropylene) 2%, propylene glycol 0.7%th, wetting agent 0.6%, dispersant 0.7%, antifoaming agent 0.6%, aqueous wax emulsion 2%, the specific function for eliminating formaldehyde help Agent SAMASO FA16 2%, antimildew disinfectant 1.5%.
Wherein aqueous titanium dioxide slurry is made of the component of following mass percentage:Water 23.6%, dispersant 3.5%, golden red Stone titanium dioxide 72%, aerosil 0.4%, preservative 0.4%, ultramarine 0.1%.
As different from Example 1:
Aqueous wax emulsion is purchased from the model BYK-539 wax emulsions of Bi Ke chemical companies of Germany production.
Polyether siloxane copolymer of the wetting agent purchased from the model TEGO-270 for winning wound industrial group production.
High-performance polymer type wetting and dispersing of the dispersant purchased from the model TEGO-750W for winning wound industrial group production Agent.
Polyether siloxane copolymer of the antifoaming agent purchased from the model TEGO-902W for winning wound industrial group production.
The not solvent-laden non-ionic polyurethane of model RM2020 of the thickener purchased from the production of DOW of America chemical company Association thickener.
Polyether siloxane copolymer of the levelling agent purchased from the model TEGO-410 for winning wound industrial group production.
The preparation method is the same as that of Example 1 for the double-component aqueous woodenware white finish paint of the composite multifunction.
Embodiment 3
The double-component aqueous woodenware white finish paint of composite multifunction provided in this embodiment, including first component, component B and water, first The proportion by weight of component, component B and water is 100:25:10, specific formula can be formulated as follows (mass percentage):
A first components:
Water based acrylic resin 40%
Composite modified self-crosslinking acrylic polymer 20%
Aqueous titanium dioxide slurry 25%
Aqueous delustering agent 2%
Antifoaming agent 0.3%
Wetting agent 0.3%
Thickener 0.5%
Dispersant 0.5%
Levelling agent 0.2%
Antimildew disinfectant 2%
Water 9.2%,
The sum of mass percentage of each raw material is 100% in first component;
B component Bs;
Hydrophilic aliphatic polyisocyanate 70%,
Propylene glycol methyl ether acetate (PMA) 30%
The sum of mass percentage of each raw material is 100% in component B;
Wherein composite modified self-crosslinking acrylic polymer is made of the component of following mass percentage:Water 20%, from Crosslinked acrylic acid polymer elastene 3,030 65%, DPM (dipropylene glycol methyl ether) 5%, DPNB (dipropylene) 3%th, propylene glycol 1%, wetting agent 0.5%, dispersant 0.5%, antifoaming agent 0.5%, aqueous wax emulsion 1% eliminate the spy of formaldehyde Different function additive SAMASO FA16 2%, antimildew disinfectant 1.5%.
Wherein aqueous titanium dioxide slurry is made of the component of following mass percentage:Water 25%, dispersant 3.9%, rutile Titanium dioxide 70%, aerosil 0.3%, preservative 0.5%, ultramarine 0.3%.
As different from Example 1:
Aqueous wax emulsion is modified paraffin.
Sodium polycarboxylate salt form dispersion of the dispersant for the model SN-5040 of Japan Nuo Puke productions in aqueous titanium dioxide slurry Agent and dispersant is purchased from the model for winning wound industrial group production in composite modified self-crosslinking acrylic polymer in first component The organically-modified polyacrylate solution containing pigment affinity groups of TEGO-735W.
The preparation method is the same as that of Example 1 for the double-component aqueous woodenware white finish paint of the composite multifunction.
The performance test of the double-component aqueous woodenware white finish paint of second part composite multifunction of the present invention
Using the double-component aqueous woodenware white finish paint of composite multifunction manufactured in the above embodiment of the present invention 1~3, using this The detection method of field routine detects the conventional physico-chemical properties of the double-component aqueous woodenware white finish paint of the composite multifunction, specific performance Index is as shown in table 1 below.
Double-component aqueous woodenware white finish paint and the traditional performance of film prepared by 1 embodiment of the present invention 1~3 of table
From table 1 it follows that the properties of the double-component aqueous woodenware white finish paint of composite multifunction prepared by the present invention Index reaches or better than standard GB/T/T 23999-2009.
Spot-resistant performance examination is carried out using the double-component aqueous woodenware white finish paint of composite multifunction in above-described embodiment 1-3 It tests, tests process and result is as follows:
Coating application test (one):With hairbrush in 0.6m3The entire outer surface of experiment plank is coated with above-described embodiment 1~3 In the manufactured double-component aqueous woodenware white finish paint 2 of composite multifunction, per pass repainting time be 6~8 hours, coating dry film 1~ 2mm, room temperature conserve 5 days after, various spot sources are dripped on the paint film of vertical hanging, specifically as shown in fig. 1, spot source from a left side to The right side includes successively:Dark soy sauce, vinegar, coffee, black tea, blue ink, edible oil, water-soluble carbon black, alcohol-soluble carbon black, lipstick, ball pen, Wax crayon (5 kinds of colors).It is normally cleaned in coating surface after being got wet with wet towel, the double groups of composite multifunction in Examples 1 to 3 The spot-resistant of part aqueous wooden ware white finish paint is cleaned test result and is seen shown in Fig. 2.
It can be seen that from the test comparison result in Fig. 2:Under the conditions of the same spot of same ground, in Examples 1 to 3 The manufactured double-component aqueous woodenware white finish paint of composite multifunction (refers generally to common double-component aqueous woodenware white finish paint in the market Conventional products add in some special organic silicon emulsions or hydrophobic auxiliary agent to realize, but its effect unobvious and not persistently) phase Than, only just these greasiness removals can need to be made woodenware surface recovery to original sample with wet rag, and double-component aqueous woodenware commonly This easy scrub effect is then not achieved in white finish paint, damage in various degree occurs because cleaning there are apparent trace or paint film.
In addition, the present invention is as a result of exclusively for improving aqueous wooden ware white finish paint spot-resistant performance and compound changing for designing Property self-crosslinking acrylic polymer, because by many experiments, answers 3030 self-crosslinking acrylic polymer of elastene It closes and is modified.For for its special structure of elastene 3030, using elastene 3030 as basic intermediate, introduce hydrophilic Property coalescents DPM (dipropylene glycol methyl ether) and lipophilic coalescents DPNB (dipropylene) and add in suitable Amount hydrophilic propylene glycol, can improve elastene 3030 in aqueous double-component woodcare paint with 27401 aqueous hydroxyls of AC Base acrylate copolymer, at the same actually with paint during with 2655 energy of hydrophilic aliphatic polyisocyanate Bayhydur XP There is better compatibility, the chemical reaction of the esterification of AC27401 and Bayhydur XP 2655 is not interfered with, so as to be formed more Fine and close paint film.Elastene 3030 itself has excellent resistance to hydrophilic stains performance and resistance to hydrophobic stains performance simultaneously, Minimum film formation temperature in basic components can only need an a small amount of coalescents to can reach excellent with self-crosslinking in zero degree at room temperature Different filming performance so as to which cost advantage is apparent, is calculated by formulation cost, and resistant product similar with market compares discovery, Cost averagely declines 1~2 yuan of per kilogram, more high-grade, and cost declines more;The reason of its cost declines is not have to add in Some special organic silicon emulsions or hydrophobic auxiliary agent are come what is realized, and both rear market price is high, and dosage is also more, scrubbing resistance and resistance to The effect of spot is not also lasting, and basic components cost increases significantly, and these other manufacturers of exactly going together at present are using Method.
Coating application test (two):It will be white according to the double-component aqueous woodenware of composite multifunction manufactured in examples detailed above 1~3 Finishing coat, through relevant detection, the sample anti-microbial property inspection result examined meets national sector standard HG/T3950-2007 《Antibiotic paint》Requirement, specific testing result see the table below 3 specified in (I grade).
Manufactured double-component aqueous woodenware white finish paint anti-microbial property in 3 Examples 1 to 3 of table
Remarks:I class:Coating material with decoration functions
It can obtain to draw a conclusion from 3 test comparison result of table:It is gone together with embodiment 1-3 and market in the two-component of sale Aqueous wooden ware finishing coat sample is compared, because be added to the model ROCIMA 342 of suitable Rhom and Hass of U.S. production The new formula of the specific function auxiliary agent of biocide mildewcide so that coating has anti-microbial property, and antibacterial purifying effect persistence is good, And common double-component aqueous woodenware white finish paint sample is not due to having addition then can not to have this with antiseptic raw material Anti-microbial property.
Coating application test (three):It will be white according to the double-component aqueous woodenware of composite multifunction manufactured in examples detailed above 1~3 Finishing coat, through relevant detection, the sample purifying formaldehyde performance examined, purifying formaldehyde effect persistence inspection result meets country Building material industry standard JC/T 1074-2008《Function of purifying indoor air coating material purifying property》In require as defined in I class, Specific testing result see the table below 4.
Manufactured double-component aqueous woodenware white finish paint purifying formaldehyde performance in 4 Examples 1 to 3 of table
Remarks:I class:Coating material with decoration functions
It can obtain to draw a conclusion from 4 test comparison result of table:Double groups to be gone together with Examples 1 to 3 and market in sale Part aqueous wooden ware finishing coat sample is compared, because being added to composite modified self-crosslinking acrylic polymer and eliminating the special work(of formaldehyde Can the double effects of auxiliary agent be newly formulated except aldehyde, first by the irreversible chemistry of composite modified self-crosslinking acrylic polymer instead It should effectively reduce and decompose the formaldehyde in air and timber and carry out the possible remaining formaldehyde of corrosion resistant surfaces pretreatment and passing through Suitable specific function auxiliary agent SAMASO FA16 for eliminating formaldehyde are added, particular molecule design can pass through chemical reaction Mode decomposes the formaldehyde adsorbed in dope layer, excellent so as to assign paint film so as to achieve the effect that the quality that purifies the air of a room Absorbing formaldehyde function so that coating has purifying formaldehyde performance, and purifying formaldehyde effect persistence is good, and commonly double-component aqueous Lacquer as woodenware finish sample is not due to having addition then can not have this purifying formaldehyde performance with purifying formaldehyde functional raw materials.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification, Equivalent substitute mode is should be, is included in protection scope of the present invention.

Claims (9)

1. a kind of double-component aqueous woodenware white finish paint of composite multifunction, it is characterized in that:It is described including first component, component B and water The proportion by weight of first component, component B and water is 100:20~25:10 ~ 20, wherein first component is by following mass percentage Raw material is made:
Water based acrylic resin 30 ~ 40%
Composite modified self-crosslinking acrylic polymer 20 ~ 30%
Aqueous titanium dioxide slurry 25 ~ 30%
Aqueous delustering agent 1 ~ 3%
Antifoaming agent 0.3 ~ 0.6%
Wetting agent 0.3 ~ 0.5%
Thickener 0.3 ~ 1.0%
Dispersant 0.3 ~ 0.6%
Levelling agent 0.2 ~ 0.4%
Antimildew disinfectant 2 ~ 3%
Surplus is water;
Component B is made of the raw material of following mass percentage:
Hydrophilic aliphatic polyisocyanate 70 ~ 75%
Propylene glycol methyl ether acetate 25 ~ 30%;
Composite modified self-crosslinking acrylic polymer described in first component is made of the raw material of following mass percentage:
Self-crosslinking acrylic polymer 65 ~ 70%
Dipropylene glycol methyl ether 5 ~ 10%
Dipropylene 1 ~ 3%
Propylene glycol 0.5 ~ 1%
Wetting agent 0.5 ~ 1%
Dispersant 0.5 ~ 1%
Antifoaming agent 0.5 ~ 1%
Aqueous wax emulsion 1 ~ 3%
Eliminate the function additive SAMASO FA16 2 ~ 3% of formaldehyde
Antimildew disinfectant 1 ~ 2%
Surplus is water;
The self-crosslinking acrylic polymer is purchased from U.S.'s ROHM AND HAAS(China)The water soluble acrylic acid of chemical company's production gathers Close object, model elastene 3030.
2. the double-component aqueous woodenware white finish paint of composite multifunction according to claim 1, it is characterized in that described in first component Aqueous titanium dioxide slurry be made of the raw material of following mass percentage:
Dispersant 3 ~ 4%
Rutile titanium white powder 70 ~ 75%
Aerosil 0.3 ~ 0.5%
Preservative 0.3 ~ 0.5%
Ultramarine 0.1 ~ 0.3%
Surplus is water.
3. the double-component aqueous woodenware white finish paint of composite multifunction according to claim 2, it is characterized in that:The water-borne wax It is public that lotion is purchased from the polytetrafluoroethylene (PTFE) wax dispenser of the model WW-1077 of French Arkema's production, Germany Bi Ke chemistry Take charge of one or more of model BYK-539 wax emulsions and modified paraffin of production.
4. the double-component aqueous woodenware white finish paint of composite multifunction according to claim 2, it is characterized in that:Described is aqueous Hydroxylated acrylic resin is purchased from German Opel enlightening resin(Shenzhen)The water-based hydroxyl acrylate copolymer of Co., Ltd's production, the production The model AC 27401 of product.
5. the double-component aqueous woodenware white finish paint of composite multifunction according to claim 2, it is characterized in that:The wetting The Siloxane-Oxyalkylene Copolymers solution of model BYK-346 of the agent purchased from the production of Bi Ke chemical companies of Germany and/or win wound industry The polyether siloxane copolymer of the model TEGO-270 of group's production;The dispersant is purchased from Japan Nuo Puke productions The model TEGO-735W's that sodium polycarboxylate salt form dispersant, the win wound industrial group of model SN-5040 produces contains face Expect the organically-modified polyacrylate solution of affinity groups and the high-performance polymer type wetting dispersing agent of model TEGO-750W One or more of;The antifoaming agent is total to purchased from the polyether silicone that wound industrial group production model is TEGO-902W is won One or both of polymers and the antifoaming agent based on mineral oil of model BYK-094 of Bi Ke companies of Germany production; The antimildew disinfectant of model ROCIMA 342 of the antimildew disinfectant purchased from the production of Rhom and Hass of the U.S., changes Study point mixture for being mainly alkyl benzene sulphonate, octylisothiazolinone and Kocide SD.
6. the double-component aqueous woodenware white finish paint of composite multifunction according to claim 2, it is characterized in that:It is described aqueous to disappear The aqueous delustering agent of model CP4-8991 of the photo etching purchased from the production of glaze chemical company of the U.S.;The thickener is purchased from The not solvent-laden non-ionic polyurethane association type of the model R-8W and/or RM2020 of the production of DOW of America chemical company increase Thick dose;The polyether-modified poly dimethyl silicon of model BYK-333 of the levelling agent purchased from the production of Bi Ke chemical companies of Germany Oxygen alkane solution and/or the polyether siloxane copolymer for winning the model TEGO-410 for creating industrial group production.
7. the double-component aqueous woodenware white finish paint of composite multifunction according to claim 2, it is characterized in that:Described is hydrophilic Property aliphatic polymeric isocyanate purchased from Bayer A.G production model Bayhydur XP 2655 chemical composition it is main For the hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate;The propylene glycol methyl ether acetate is Jiangsu The propylene glycol methyl ether acetate PMA environmentally friendly solvents of Hua Lun Chemical Co., Ltd.s production.
8. the preparation method of the double-component aqueous woodenware white finish paint of composite multifunction according to claim 2, it is characterized in that containing Following steps:
(1)Prepare composite modified self-crosslinking acrylic polymer:By quantitative relation, choose and prepare composite modified self-crosslinking acrylic Each raw material of polymer is first derived from crosslinked acrylic acid polymer, antifoaming agent, wetting agent, dispersant and antimildew disinfectant, addition portion Divide water, stirred 5 ~ 10 minutes with 800 ~ 1000 revs/min of stir speed (S.S.), then add in dipropylene glycol methyl ether, dipropylene glycol fourth Ether and propylene glycol are stirred 10 ~ 15 minutes with 400 ~ 600 revs/min of stir speed (S.S.), add in aqueous wax emulsion, eliminate formaldehyde Function additive SAMASO FA16 and remaining water are stirred 5 ~ 10 minutes with 200 ~ 400 revs/min of stir speed (S.S.), are made multiple Close modified self-crosslinking acrylate copolymer;
(2)By step(1)The composite modified self-crosslinking acrylic polymer of middle preparation is added in water based acrylic resin, Then antifoaming agent, wetting agent, thickener and dispersant are added in by quantitative relation under 400 ~ 600 revs/min of stir speed (S.S.), added Enter part water, stirred 5 ~ 10 minutes with 400 ~ 600 revs/min of stir speed (S.S.), then add in aqueous delustering agent, with 1000 ~ 1200 revs/min of stir speed (S.S.) stirs 15 ~ 20 minutes, after being distributed to fineness qualification, adds in levelling agent, antimildew disinfectant and remains Remaining water is stirred 5 ~ 10 minutes with 300 ~ 500 revs/min of stir speed (S.S.), uniform sizing material is made;
(3)Prepare aqueous titanium dioxide slurry:Each raw material for preparing aqueous titanium dioxide slurry is chosen by quantitative relation, first takes dispersant, rutile Titanium dioxide, aerosil, preservative and ultramarine add in part water, are stirred with 1200 ~ 1500 revs/min of stir speed (S.S.) It 20 ~ 25 minutes, after being dispersed to fineness qualification, adds in remaining water, aqueous titanium dioxide slurry is made;
(4)By step(3)Manufactured aqueous titanium dioxide slurry is added to step(2)In manufactured slurry, with 400 ~ 500 revs/min stir It mixes rate to stir 20 ~ 25 minutes, first component is made;
(5)Hydrophilic aliphatic polyisocyanate and propylene glycol methyl ether acetate are stirred with 400 ~ 500 revs/min of stir speed (S.S.) It mixes 10 ~ 15 minutes, component B is made;
(6)First component, component B and water are chosen by quantitative relation, first adds water in first component and stirs evenly, add component B and stir It is even, the double-component aqueous woodenware white finish paint of composite multifunction is obtained after standing.
9. the preparation method of the double-component aqueous woodenware white finish paint of composite multifunction according to claim 8, it is characterized in that:Step Suddenly(1)And step(2)The additive amount of middle part water accounts for the step water gross mass 70 ~ 80%;Step(3)The addition of middle part water Amount accounts for the 60 ~ 70% of the step water gross mass.
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