CN108047834A - A kind of easily orientation, high performance fluorine silicon composite water soluble aluminium paint and preparation method thereof - Google Patents
A kind of easily orientation, high performance fluorine silicon composite water soluble aluminium paint and preparation method thereof Download PDFInfo
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- CN108047834A CN108047834A CN201810036803.0A CN201810036803A CN108047834A CN 108047834 A CN108047834 A CN 108047834A CN 201810036803 A CN201810036803 A CN 201810036803A CN 108047834 A CN108047834 A CN 108047834A
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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
- C09D127/00—Coating compositions based on homopolymers or 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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
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- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The present invention discloses a kind of easily orientation, high performance fluorine silicon composite water soluble aluminium paint and preparation method thereof, including 54.1~54.55 parts of fluorine silicon composite base-material, 32.9~33.1 parts of water aluminum-silver slurry pre-dispersed liquid, anti-settling and 11.6~11.75 parts of slewing liquid, 0.3~0.7 part of deionized water, 0.3~0.7 part of thickener；Water aluminum-silver slurry pre-dispersed liquid includes deionized water 21~23, linearity block structure disperses agent 0.6~0.8, propylene glycol 1.9~2.1, water aluminum-silver slurry 7~9, organosilicon pH adjusting agent 0.2~0.4；Fluorine silicon composite base-material organosilicon includes：Organosilicon/acrylate copolymer emulsion 19~21, fluorine carbon emulsion 29~31, organic silicon defoamer 0.25~0.4, organosilicon wetting agent 0.25~0.4, organosilicon levelling agent 0.15~0.25, preservative 0.15, moistureproof and mildewproof agent 0.5~0.7, efficient coalescents 2.5~3；Anti-settling and slewing liquid includes deionized water 7.6~8.15, anti-settling wax liquor 1.3~1.7, aluminium powder orientation wax liquor 1.5~2.5, organosilicon pH adjusting agent 0.25~0.35.
Description
Technical field
The present invention relates to aluminum paint, aqueous field, particularly a kind of easily orientation, high performance fluorine silicon composite water soluble aluminium paint and
Its preparation method.
Background technology
Modern Aluminium and plastic board curtain wall with its it is smooth it is bright and clean, it is noble it is resistance to wait so long characteristic and be widely used in all types of industries with it is civilian
It is the high ornament materials of class in decorating outer wall of building, it is deep to be liked by building designers and consumers in general.But it is expensive
Cost many users is also made to hang back, limit its use scope.Therefore coatings for emulated Al sheet comes into being, passed through with it
Ji is applicable in, superior performance and can compare favourably with aluminium-plastic panel and attract the concern of industry.In the prior art, ripe application is imitative
Aluminium-plastic panel effect coating is two-component solvent-borne type aluminium paint, such coating is needed in production, work progress using a large amount of solvents,
Cause a large amount of VOC emissions, it is both not environmentally or uneconomical more dangerous, and complicated construction technique, base envelope high to basic level requirement
Close slightly flaw or when settling base's generation crack due to, it is easy to bubble and the accumulation of salt in the surface soil are generated, so as to influence to decorate
Effect influences service life.
In recent years some coatings enterprises, which start to develop, can substitute the aqueous, environmental protective product of solvent-borne type aluminium paint, mainly show with
Lower shortcoming：1, product bin stability is bad, and easy swell and sedimentation caking are even scrapped when serious；2, during construction application because
Bad for aluminium orientation, aluminium powder easily agglomerating aggregation during roller application can only use spraying application, and spraying application intersects dirty
It contaminates construction surface and is limited to wind-force, wind direction, work efficiency is not high；Even spraying application, since aluminium orientation is bad, in paint film
Aluminium powder easily sinks in drying process, causes flicker effect not strong, is a bit darkish in color, and gloss is not high, and aluminium-plastic panel fidelity is not strong；3,
After spraying, water resistance, weatherability be not strong, and service life is low, and performance has larger gap with solvent based product.These are asked
Topic seriously affects aluminum paint, aqueous popularization and application.
The content of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide one kind is environmentally protective, stability is good, reduces VOC rows
It puts, the easy orientation that aluminium powder energy good orientation arranges in work progress, high performance fluorine silicon composite water soluble aluminium paint, the aqueous aluminium
Powder paint application property is good, fidelity is high, solvent based product can really be replaced to be used in high-grade aluminium plastic sheet-imitation decoration of exterior wall.
To achieve these goals, the present invention uses following technical scheme：
A kind of easily orientation, high performance fluorine silicon composite water soluble aluminium paint and preparation method thereof, including fluorine silicon composite base-material 54.1
~54.55 parts, 32.9~33.1 parts of water aluminum-silver slurry pre-dispersed liquid, anti-settling and 11.6~11.75 parts of slewing liquid, deionization
0.3~0.7 part of water, 0.3~0.7 part of thickener；Water aluminum-silver slurry pre-dispersed liquid includes deionized water 21~23, linearity block knot
Structure dispersant 0.6~0.8, propylene glycol 1.9~2.1, water aluminum-silver slurry 7~9, organosilicon pH adjusting agent 0.2~0.4；Fluorine silicon is answered
Closing base-material organosilicon includes：Organosilicon/acrylate copolymer emulsion 19~21, fluorine carbon emulsion 29~31, organic silicon defoamer 0.25
~0.4, organosilicon wetting agent 0.25~0.4, organosilicon levelling agent 0.15~0.25, preservative 0.15, moistureproof and mildewproof agent 0.5~
0.7, efficient coalescents 2.5~3；Anti-settling and slewing liquid include deionized water 7.6~8.15, anti-settling wax liquor 1.3~
1.7, aluminium powder orientation wax liquor 1.5~2.5, organosilicon pH adjusting agent 0.25~0.35.
54.35 parts of the fluorine silicon composite base-material, 33 parts of water aluminum-silver slurry pre-dispersed liquid, anti-settling and slewing liquid 11.65
Part, 0.5 part of deionized water, 0.5 part of thickener.
Preferably, anti-settling wax liquor selects special modified polyamide wax liquor, and solid content about 15%, amine is dimethylethanolamine,
Solvent be water/propylene glycol monomethyl ether, pH value 8.7；Aluminium powder orientation wax liquor is modified ethylene vinyl acetate ethylene copolymer wax emulsion, admittedly contain
Amount 20%；The agent of linearity block structure disperses is made of special novel interfacial material, index of refraction 1.487 ± 0.002, and pH value 7 ±
0.5；The product that the water aluminum-silver slurry is surface-treated for SiO2/ high molecular materials, solid content 58~62%, grain size 15 are micro-
Rice；The organosilicon pH adjusting agent be solid content about 55%, density about 1.4g/cm3, a kind of organosilicon potassium of pH value about 13~14
Salt；The solid content 48~50% of the organosilicon/acrylate copolymer emulsion, pH value 7~9；The solid content 43 of the fluorine carbon emulsion
~47%, fluorine content 9~11%, 23~25 DEG C of Tg；The organic silicon defoamer is non-volatile content ＞ 95%, in polyethylene glycol
In hydrophobic solid and brokenly bubble polysiloxane mixture；The organosilicon wetting agent is the special poly- silicon of active matter content 100%
Oxygen alkane/copolyether；The organosilicon levelling agent is the polyether-modified dimethyl silicone polymer of solid content >=95%；The height
Effect coalescents are diethylene glycol dibenzoate, dipropylene glycol dibenzoate and propylene glycol dibenzoate mixture.
Further, the linearity block structure disperses agent is the production of the model DN-8311 of Nanjing Dao Ning chemical companies
Product；The product for the model P-9115S that the water aluminum-silver slurry produces for Anhui Xu Yang companies；The organosilicon pH adjusting agent
For the product of the model BS168 of Wa Ke companies production.
Further, the organosilicon/acrylate copolymer emulsion is the model RS-996KD of Ahmedabad richness company production
Product；The product for the model DF-01 that the fluorine carbon emulsion produces for Shanghai east fluorine；The organic silicon defoamer is Bi Kehua
The product of the model BYK024 of company production；The organosilicon wetting agent is the model Tego Wet of Di Gao chemical companies
The product of KL 245；The product for the model Silok 350 that the organosilicon levelling agent produces for Si Luoke chemical companies；It is described
The product for the model BT that preservative produces for Huffman chemical company；The moistureproof and mildewproof agent produces for Huffman chemical company
Model M3 product；The efficient coalescents are the product of the model K-FLEX 975P of Ke Naiou companies；The increasing
The product of the thick dose of model TH2652 for the sale of Shenzhen Hai Run companies.
The anti-settling wax liquor is the product of the model AQH-810 of Gong Yao chemical companies；The aluminium powder orientation wax liquor is complete
The product of the model BYK8421 of gram chemical company.
Invention additionally discloses a kind of easy orientation, the preparation methods of high performance fluorine silicon composite water soluble aluminium paint, it is characterised in that：
Comprise the following steps：
Make water aluminum-silver slurry pre-dispersed liquid：
Deionized water is added in pre-dispersed cylinder, the agent of linearity block structure disperses, the third two are sequentially added under moderate-speed mixer
Alcohol, is stirred to being uniformly mixed, and is then added in water aluminum-silver slurry and scattered 30min under stiring, is added organosilicon pH adjusting agent
It is 8.5~9.5 to adjust to pH value, continues to stir 5min, closed standing is for 24 hours；
Make fluorine silicon composite base-material：
It is weighed successively in cylinder is produced and adds in organosilicon/acrylate copolymer emulsion, fluorine carbon emulsion, then under moderate-speed mixer
Sequentially add organic silicon defoamer, organosilicon wetting agent, organosilicon levelling agent, preservative, moistureproof and mildewproof agent, efficiently film forming help
Agent stirs 10min to uniform after adding；
Make anti-settling and slewing liquid：
Deionized water is weighed in cylinder is pre-dissolved, anti-settling wax liquor is added under moderate-speed mixer, continue stirring to anti-settling wax liquor with
Deionized water is miscible, adds in aluminium powder orientation wax liquor under stiring, adds organosilicon pH adjusting agent, be stirred until homogeneous after adding；
Mix paint：
Fluorine silicon composite base-material is added in mixed cylinder, water aluminum-silver slurry pre-dispersed liquid is added under moderate-speed mixer, stirring is extremely
It is uniformly mixed, then adds in anti-settling and slewing liquid under stiring, be finally added slowly with stirring mixed diluting in advance
Thickener；And continue to stir 10min to uniformly up to the composite water soluble aluminium paint finished product.
Further, 54.1~54.55 parts of fluorine silicon composite base-material, 32.9~33.1 parts of water aluminum-silver slurry pre-dispersed liquid are prevented
Heavy and 11.6~11.75 parts of slewing liquid, 0.3~0.7 part of deionized water, 0.3~0.7 part of thickener；
The water aluminum-silver slurry pre-dispersed liquid includes following parts by weight and matches each component：It is deionized water 21~23, linear
Block structure dispersant 0.6~0.8, propylene glycol 1.9~2.1, water aluminum-silver slurry 7~9, organosilicon pH adjusting agent 0.2~0.4；
The fluorine silicon composite base-material organosilicon includes following parts by weight proportioning each component：Organosilicon/acrylic acid is common
Poly- lotion 19~21, fluorine carbon emulsion 29~31, organic silicon defoamer 0.25~0.4, organosilicon wetting agent 0.25~0.4 are organic
Silicon levelling agent 0.15~0.25, preservative 0.15, moistureproof and mildewproof agent 0.5~0.7, efficient coalescents 2.5~3；
Described anti-settling and slewing liquid includes following parts by weight proportioning each component：Deionized water 7.6~8.15,
Anti-settling wax liquor 1.3~1.7, aluminium powder orientation wax liquor 1.5~2.5, organosilicon pH adjusting agent 0.25~0.35.It is described mix in advance it is dilute
The thickener released refers to thickener being diluted in the deionized water of identical weight.
Compared with prior art, the present invention is when making aluminum paint, aqueous, using the dispersant with linearity block structure,
And made it stable and adsorbed in aluminium powder particle surface by special process, completely cut off the contact between water and active aluminium, shut out
The generation of hydrogen discharge reaction absolutely eliminates and swell occurs even coalesces the risk scrapped, and product bin stability is substantially improved；Using
The rheology modified wax emulsion of special modified polyamide wax liquor collocation, forms the net structure with strong thixotroping, limit in system
The Brownian movement of aluminium powder has been made, sinking of the aluminium powder in storing and constructing drying process has been prevented, makes aluminium powder quick in coating surface
Arrangement orientation, solves the problems, such as that aluminium powder is easily assembled；It is compounded simultaneously using organosilicon/acrylate copolymer emulsion and fluorine carbon emulsion,
And using serial organosilicon auxiliary agent, efficient coalescents of arranging in pairs or groups so as to promote the compactness of film, hydrophobicity, solve paint
Film water resistance, the problem of weatherability is bad.Moreover, by aluminum paint, aqueous made from the method for the present invention, due to its excellent aluminium
Powder fast positioning function had both been suitble to use traditional spraying application, and also had been adapted for roller application, was not in aluminium powder aggregation and sinking
Problem substantially increases work efficiency, saves construction cost.
Specific embodiment
Below by embodiment, technical scheme is further described, each embodiment is only as preferred real
Mode is applied to illustrate technical scheme, does not form limitation of the invention.
The various components of the present invention use existing commercial product.
It is of the present invention it is easy orientation, high performance fluorine silicon composite water soluble aluminium paint, by each group matched in parts by weight as follows
Part is mixed：54.1~54.55 parts of fluorine silicon composite base-material, 32.9~33.1 parts of water aluminum-silver slurry pre-dispersed liquid are anti-settling and fast
Fast 11.6~11.75 parts of oriented liquid, 0.3~0.7 part of deionized water, 0.3~0.7 part of thickener；
Wherein water aluminum-silver slurry pre-dispersed liquid includes 21~23 parts of deionized water, linearity block structure disperses agent 0.6~0.8
Part, 1.9~2.1 parts of propylene glycol, 7~9 parts of water aluminum-silver slurry, 0.2~0.4 part of organosilicon pH adjusting agent；
Fluorine silicon composite base-material includes 19~21 parts of organosilicon/acrylate copolymer emulsion, 29~31 parts of fluorine carbon emulsion, organosilicon
0.25~0.4 part of antifoaming agent, 0.25~0.4 part of organosilicon wetting agent, 0.15~0.25 part of organosilicon levelling agent, preservative 0.15
Part, 0.5~0.7 part of moistureproof and mildewproof agent, efficient 2.5~3 parts of coalescents；
Anti-settling and slewing liquid includes 7.6~8.15 parts of deionized water, anti-settling 1.3~1.7 parts of wax liquor, aluminium powder orientation wax
1.5~2.5 parts of liquid, 0.25~0.35 part of organosilicon pH adjusting agent；
In order to ensure during aluminum paint, aqueous storage not swell do not precipitate, construct in aluminium powder do not settle and can slewing row
Paint film has excellent water resistance and weatherability after row, film forming, it is preferable that anti-settling wax liquor selects special modified polyamide wax liquor, outside
It sees as light yellow paste, solid content about 15%, amine is dimethylethanolamine, and solvent is water/propylene glycol monomethyl ether, pH value 8.7；
Meanwhile modified ethylene vinyl acetate ethylene copolymer wax emulsion is selected to orient wax liquor, appearance milky white liquid, solid content as aluminium powder
20%；The linearity block structure disperses agent is made of special novel interfacial material, index of refraction 1.487 ± 0.002, and pH value 7 ±
0.5；The product that the water aluminum-silver slurry is surface-treated for SiO2/ high molecular materials, solid content 58~62%, grain size 15 are micro-
Rice；The organosilicon pH adjusting agent is a kind of organosilicon sylvite, and appearance is colourless limpid or micro- turbid body, solid content about 55%,
Density about 1.4g/cm3, pH value about 13~14；The organosilicon/acrylate copolymer emulsion appearance is band blue light milky white liquid,
Solid content 48~50%, pH value 7~9；The fluorine carbon emulsion appearance be milky white liquid, solid content 43~47%, fluorine content 9~
23~25 DEG C of 11%, Tg (glass transition temperature)；The organic silicon defoamer is a kind of hydrophobic solid in polyethylene glycol with breaking
Steep polysiloxane mixture, non-volatile content ＞ 95%；The organosilicon wetting agent is special polysiloxane/copolyether, outside
It sees as transparency liquid, active matter content 100%；The organosilicon levelling agent is polyether-modified dimethyl silicone polymer, and appearance is
Amber transparency liquid, solid content >=95%；The preservative is high temperature resistant high ph-values in-can preservation agent, and active ingredient is benzo
Isothiazolinone, active component content ＞ 9.5%, pH value 9~10；The moistureproof and mildewproof agent is white dispersing liquid, activity into
It is divided into Kathon, ether Zole derivatives, Arylurea derivatives；The efficient coalescents are diethyl two
Alcohol dibenzoate, dipropylene glycol dibenzoate and propylene glycol dibenzoate mixture；The thickener is dredged for association type
The polyacrylate alkali swelling type lotion that water is modified, solid content 30%.
Particularly, heretofore described anti-settling wax liquor is the product of the model AQH-810 of Gong Yao chemical companies；The aluminium
Fen-ting to wax liquor for Bi Ke chemical companies model BYK8421 product；The linearity block structure disperses agent is Nan Jingdao
The product of the model DN-8311 of peaceful chemical company；The water aluminum-silver slurry is the model P- of Anhui Xu Yang companies production
The product of 9115S；The product for the model BS168 that the organosilicon pH adjusting agent produces for Wa Ke companies；The organosilicon/
The product for the model RS-996KD that acrylate copolymer emulsion produces for Ahmedabad richness company；The fluorine carbon emulsion is given birth to for Shanghai east fluorine
The product of the model DF-01 of production；The product for the model BYK024 that the organic silicon defoamer produces for Bi Ke chemical companies；
The organosilicon wetting agent is the product of the model Tego Wet KL 245 of Di Gao chemical companies；The organosilicon levelling agent
For the product of the model Silok 350 of Si Luoke chemical companies production；The preservative is the production of Huffman chemical company
The product of model BT；The product for the model M3 that the moistureproof and mildewproof agent produces for Huffman chemical company；The propylene glycol
For the female foreign trade selling in Huizhou；The efficient coalescents are the product of the model K-FLEX 975P of Ke Naiou companies；It is described
The product for the model TH2652 that thickener is sold for Shenzhen Hai Run companies.
The dosage of the component of Examples 1 to 3 and comparative example 1~4, weight and each component is as shown in Table 1；In comparative example 1
Without using linearity block structure disperses agent, using the ammonium polyacrylate dipersant of the prior art, and water aluminum-silver slurry is not used
Process for stabilizing is directly added in production through the monodispersed water aluminum-silver slurry of prior art letter；Without using anti-settling wax in comparative example 2
It is anti-settling to carry out aluminium powder using the common sodium bentonite of the prior art for slurry and aluminium powder orientation wax liquor；Without using fluorine carbon in comparative example 3
Lotion and organosilicon copolymer emulsion compound, using pure acrylic latex as film forming matter, and use coalescents Texanol and
Non-organic silicon class wetting agent and levelling agent use organic amine pH adjusting agent AMP-95；Disappeared in comparative example 4 using non-organic silicon class
Infusion, wetting agent, levelling agent use organic amine pH adjusting agent AMP-95；Component used in embodiment 1-3 is the same, and only dosage is poor
Not.The test result of Examples 1 to 3 and comparative example 1~4 is as shown in Table 2.
Table one：
Embodiment 1
Make water aluminum-silver slurry pre-dispersed liquid：
Deionized water 23kg is added in pre-dispersed cylinder, opens stirring, low whipping speed is 400 revs/min of (or 400-
600 revs/min of moderate-speed mixer) sequentially add under rotating speed Nanjing Dao Ning chemical companies model DN-8311 Linear block knot
Then structure dispersant 0.6kg, the propylene glycol 1.9kg of Huizhou Kun Yang companies, stirring 20min turn to being uniformly mixed at 400 revs/min
The water aluminum-silver slurry 7kg and scattered 30min of the lower model P-9115S for adding in Anhui Xu Yang companies of speed, adds Wa Ke companies
Model BS168 organosilicon pH adjusting agent 0.4kg adjust to pH value be 8.5~9.5, continue after adding stir 5min, so
It is closed afterwards to stand for 24 hours.
To solve the problems, such as swell in composite water soluble aluminium paint storage process, when making water aluminum-silver slurry pre-dispersed liquid,
It takes and is first pre-mixed water, the agent of linearity block structure disperses, propylene glycol uniformly, then add under stiring through SiO2/ high scores
The water aluminum-silver slurry that sub- material is surface-treated, and pH value is adjusted to 8.5~9.5 with organosilicon pH adjusting agent, it stirs evenly
The technique being then added to afterwards for 24 hours in product is stood afterwards, and linear structure is beaten after linearity block structure disperses agent is swollen in propylene glycol
After opening, adsorb in water aluminum-silver slurry particle surface, form one layer of passivation protection film, then alkaline ring is transferred to organosilicon pH adjusting agent
It is consolidated for 24 hours under border, the linearity block structure of this stabilization can ensure that SiO2 (high molecular material) process layer on aqueous aluminum powder surface
The aluminium paste of water and ripple living can be separated well in the subsequent production of composite water soluble aluminium paint, storage, work progress, prevent aluminium
Slurry and water generate hydrogen discharge reaction and swell even coalescence occur and scraps phenomenon.
Make fluorine silicon composite base-material：
Weigh the organosilicon/acrylic acid copolymer breast for the model RS-996KD for adding in Ahmedabad richness company successively in cylinder is produced
The fluorine carbon emulsion 29kg of the model DF-01 of liquid 21kg, Dong Fu companies, then at 500 revs/min (or 400-600 revs/min
Moderate-speed mixer) rotating speed under stirring sequentially add the high public affairs of the organic silicon defoamer 0.2kg of model BYK024 of Bi Ke chemistry, enlightening
The model Silok's 350 of organosilicon wetting agent 0.4kg, Si Luoke companies of the model Tego Wet KL 245 of department has
Machine silicon levelling agent 0.15kg, the preservative 0.15kg of model BT of Huffman chemistry, Huffman chemistry model M3 it is anti-
The efficient coalescents 2.5kg of the model K-FLEX 975P of damp mould inhibitor 0.7kg, Ke Naiou company, at 500 revs/min after adding
Under rotating speed stir 10min to uniformly it is spare.
Organosilicon and Organic fluoride have high bond energy, extremely low surface tension, and recoatability is poor, limits such substance
Use.When organosilicon/Organic fluoride is used for decorative exterior coating, since powder typically constitutes from the 30% of component in exterior coating
More than, powder accounting is big, and in the case where high-speed stirred is disperseed, organosilicon/Organic fluoride is adsorbed by powder, and organosilicon can be overcome to be answered with fluorine carbon
With the defects of surface tension is small, recoatability is poor, and since this exterior coating working viscosity is higher, also easily recoat；And water
Property aluminium paint is due to low without using powder, viscosity, and aluminium paste is unable to high speed dispersion, and high speed dispersion can destroy the coating knot of aluminium powder
Structure easily forms hydrogen discharge reaction, and high speed dispersion can be such that aluminum particle mutually winds, and particle becomes larger and irregularly, destroys aluminium powder
Laminated structure, seriously affect the gloss of product, thus organosilicon/Organic fluoride is applied to it is aluminum paint, aqueous, there are easy shrinkage cavity,
The defects of recoatability difference etc. is unconquerable, the present invention by many experiments, select with fluorine silicon compounding base-material with similar structure and
The antifoaming agent of approximation surface tension, wetting agent, levelling agent, pH adjusting agent, it is poor to remove the surface tension gradient of film coated surface,
Reach surface tension balance, promote flowing and the levelling of film, enhance the spread of coating, improve adhesive force, solve due to
Easy shrinkage cavity caused by organosilicon/Organic fluoride surface tension is small, the shortcomings that recoatability is poor.To solve common water borne aluminium paint film forming
Paint film water resistance and the problem of bad weatherability afterwards, the present invention is when making composite water soluble aluminium paint, using specific organosilicon
Organosilicon/acrylate copolymer emulsion is compounded with fluorine carbon emulsion, gives full play to Si-C keys, the synergistic effect of F-C keys, promotes production
Product ultraviolet stability energy, and organic silicon wetting agent, levelling agent are used, hydroaropic substance in entire product system is reduced,
Ensure that paint film film forming is fine and close using efficient coalescents simultaneously, water resistance, the weatherability of General Promotion paint film really make aqueous production
Product reach the using effect of solvent based product.
Make anti-settling and slewing liquid：
Deionized water 8.15kg is weighed in cylinder is pre-dissolved, then in 500 revs/min of (or 400-600 revs/min of middling speeds
Stirring) be added with stirring Gong Yao chemical companies model AQH-810 anti-settling wax liquor 1.7kg, continue to stir 10min to anti-settling
Wax liquor is completely miscible with deionization, is then added with stirring the aluminium powder orientation wax liquor of the model BYK8421 of Bi Ke companies
1.5kg adds the organosilicon pH adjusting agent 0.25kg of the model BS168 of Wa Ke companies, and 10min is stirred after adding to uniform
It is used for mixing paint.
To solve, aluminium powder in composite water soluble aluminium paint settles caking during storage and aluminium powder is determined in the construction process
To the problem of bad is arranged, the present invention is anti-settling using the progress of special modified polyamide wax liquor, using the aluminium of rheology modified wax emulsion
Fen-ting improves the positioning of aqueous aluminum powder in the product to wax liquor, especially with the aluminium powder of special modified polyamide wax liquor collocation rheology
Wax liquor is oriented, both materials all have macromolecular chain segment, and being mutually wound in system has the function of the netted of strong thixotroping
Structure.This net structure limits the Brownian movement of aluminium powder under static condition, prevents aluminium powder from existing (during coating storage)
Because of the sinking aggregation that gravity generates in storage process, static anti-settling effect is played；It is this when being sprayed or during roller application
Net structure moment under shearing force opens, and product viscosity declines, and is conducive to construction and levelling.When product construction to base material
After upper, with the disappearance of shearing force, the macromolecular chain segment of material is mutually wound in net structure again, limits aluminium powder in drying
The tumbling motion being also easy to produce with moisture evaporation in the process and the settlement action to painting film bottom itself generated by gravity, make
Aluminium powder quickly arranges orientation in coating surface, solves in the drying process of aluminium powder after construction and easily assembles, cannot effectively arrange
Row, paint film flicker effect is bad, is not achieved the problem of aluminium plastic sheet-imitation metal effect, plays dynamic result of prevention.
Mix paint：
Fluorine silicon composite base-material 54.1kg is added in mixed cylinder, in 500 revs/min of (or 400-600 revs/min of middling speeds
Stirring) be added with stirring water aluminum-silver slurry pre-dispersed liquid 32.9kg, continue stir 10min to be uniformly mixed, then stirring
Obtained anti-settling and slewing liquid 11.6kg, is finally added slowly with stirring mixed diluting in advance in lower addition the present embodiment
Thickener 1.4kg (wherein deionized water 0.7kg, sea profit company model be TA2652 thickener 0.7kg), after adding
10min is stirred under 500 revs/min of rotating speeds to uniformly up to the composite water soluble aluminium paint finished product.
Hair roller roller application and there is gas during gained composite water soluble aluminium paint is respectively adopted on no asbestos cement tablet
It sprays (0.4~0.6MPa of air pressure, 2~2.5mm of spray tip bore), water resistance, the making sheet of weatherability and test method
Foundation《HG/T 4104-2009 watersoluble fluorine paints for building》Standard carries out, test result foundation《GB/T 1766-2008 colored paints
With the ranking method of varnish coat aging》It is evaluated.
Embodiment 2
Each component is taken according to weight shown in embodiment 2 in table one, the method described in embodiment 1 is repeated, fluorine silicon is prepared
Composite base-material, water aluminum-silver slurry pre-dispersed liquid, anti-settling and slewing liquid, according to being mixed in table one, fluorine silicon in paint step is compound
Base-material, water aluminum-silver slurry pre-dispersed liquid, anti-settling and slewing liquid, deionized water, the ratio of thickener are uniformly mixed, and are made multiple
It closes aluminum paint, aqueous, then constructs according to the method for embodiment 1,2 corresponding data institute of embodiment in performance test results such as table two
Show.The thickener of the mixed diluting in advance refers to thickener being diluted in the deionized water of identical weight.
Embodiment 3
Each component is taken according to weight shown in embodiment 3 in table one, the method described in embodiment 1 is repeated, fluorine silicon is prepared
Composite base-material, water aluminum-silver slurry pre-dispersed liquid, anti-settling and slewing liquid, according to being mixed in table one, fluorine silicon in paint step is compound
Base-material, water aluminum-silver slurry pre-dispersed liquid, anti-settling and slewing liquid, deionized water, the ratio of thickener are uniformly mixed, and are made multiple
Close it is aluminum paint, aqueous, then according to embodiment 1 method construct.3 corresponding data institute of embodiment in performance test results such as table two
Show.The thickener of the mixed diluting in advance refers to thickener being diluted in the deionized water of identical weight.
Comparative example 1
Make water aluminum-silver slurry pre-dispersed liquid：
Deionized water 22kg is added in pre-dispersed cylinder, stirring is opened, then sequentially adds commercial polypropylene under stiring
Acid ammonium salt dispersant 0.7kg, the propylene glycol 2kg of Huizhou Kun Yang companies, are stirred 20min, then at 400 revs/min after adding
Make after the water aluminum-silver slurry 8kg of the model P-9115S of Anhui Xu Yang companies and scattered 30min are added under rotating speed for mixing paint
With.
Make base-material：
Weigh the organosilicon/acrylic acid copolymer breast for the model RS-996KD for adding in Ahmedabad richness company successively in cylinder is produced
The fluorine carbon emulsion 30kg of the model DF-01 of liquid 20kg, Dong Fu companies sequentially adds the model of Bi Ke chemistry under then stirring
The organosilicon wetting agent 0.3kg of the model Tego Wet KL 245 of organic silicon defoamer 0.3kg, Di Gao companies of BYK024,
The preservative of the organosilicon levelling agent 0.2kg of the model Silok350 of Si Luoke companies, the model BT of Huffman chemistry
0.15kg, Huffman chemistry model M3 moistureproof and mildewproof agent 0.6kg, Ke Naiou companies model K-FLEX975P it is efficient
Coalescents 2.8kg stirs 10min to uniformly for mixing paint use after adding under 500 revs/min of rotating speeds.
Make anti-settling liquid：
Deionized water 8.15kg is weighed in cylinder is pre-dissolved, then adds in the model AQH- of Gong Yao chemical companies under stiring
810 anti-settling wax liquor 1.5kg stirs 10min under 500 revs/min of rotating speeds after adding and is mixed with deionized water completely to anti-settling wax liquor
It is molten, the aluminium powder that Bi Ke company models are BYK8421 is then added under agitation and orients wax liquor 2kg, then adds in watt gram public affairs
The organosilicon pH adjusting agent 0.3kg of the model BS168 of department stirs 10min to uniformly for mixing paint use after adding.
Mix paint：
It is added in mixed cylinder and fluorine silicon composite base-material 54.35kg made from base-material is made in the present embodiment, under then stirring
Add in the present embodiment in make water aluminum-silver slurry pre-dispersed liquid made from water aluminum-silver slurry pre-dispersed liquid 32.7kg, after adding
10min is stirred under 500 revs/min of rotating speeds, is then added with stirring in the present embodiment to make and prevent made from anti-settling and slewing liquid
Heavy and slewing liquid 11.95kg is finally added slowly with stirring the thickener 1kg (deionized waters of mixed diluting in advance
The thickener 0.5kg of the model TA2652 of 0.5kg, Hai Run company), after adding 10min is stirred under 500 revs/min of rotating speeds extremely
It is uniformly aluminum paint, aqueous finished product.
Comparative example 2
Make water aluminum-silver slurry pre-dispersed liquid：
Deionized water 22kg is added in pre-dispersed cylinder, stirring is opened, then sequentially adds Nanjing road Ninghua under stiring
Linearity block structure disperses agent 0.7kg, the propylene glycol 2kg of Huizhou Kun Yang companies of the model DN-8311 of company, after adding
20min is stirred, the water aluminum-silver slurry of the model P-9115S of Anhui Xu Yang companies is then added under 400 revs/min of rotating speeds
8kg and scattered 30min, then add in the organosilicon pH adjusting agent 0.3kg of the model BS168 of Wa Ke companies, are stirred after adding
5min, then closed standing is for 24 hours afterwards for mixing paint use.
Make base-material：
Weigh the organosilicon/acrylic acid copolymer breast for the model RS-996KD for adding in Ahmedabad richness company successively in cylinder is produced
The fluorine carbon emulsion 30kg of the model DF-01 of liquid 20kg, Dong Fu companies is subsequently placed in the type that Bi Ke chemistry is sequentially added under stirring
The organosilicon wetting agent of the model Tego Wet KL 245 of organic silicon defoamer 0.3kg, Di Gao companies of number BYK024
The organosilicon levelling agent 0.2kg of the model Silok 350 of 0.3kg, Si Luoke company, the model BT of Huffman chemistry it is anti-
Rotten agent 0.15kg, Huffman chemistry model M3 moistureproof and mildewproof agent 0.6kg, Ke Naiou companies model K-FLEX975P
Efficient coalescents 2.8kg stirs 10min to uniformly for mixing paint use after adding under 500 revs/min of rotating speeds.
Make anti-settling liquid：
Deionized water 9.35kg is weighed in cylinder is pre-dissolved, then adds in commercially available sodium bentonite anti-settling agent 2kg under stiring,
30min is dissolved under 500 revs/min of rotating speeds to be completely dissolved to bentonite, then add in the model BS168 of Wa Ke companies after adding
Organosilicon pH adjusting agent 0.3kg, 10min is stirred after adding to uniform for mixing paint use.
Mix paint：
It is added in mixed cylinder and fluorine silicon composite base-material 54.35kg made from base-material is made in the present embodiment, under then stirring
It adds in and water aluminum-silver slurry pre-dispersed liquid 33kg made from water aluminum-silver slurry pre-dispersed liquid is made in the present embodiment, 500 after adding
10min is stirred under rev/min rotating speed, is then added with stirring in the present embodiment and makes anti-settling liquid made from anti-settling and slewing liquid
11.65kg, be finally added slowly with stirring mixed diluting in advance thickener 1kg (deionized water 0.5kg, Hai Run company
The thickener 0.5kg of model TA2652), 10min is stirred to uniform as aqueous aluminum powder under 500 revs/min of rotating speeds after adding
Paint product.
Comparative example 3
Make water aluminum-silver slurry pre-dispersed liquid：
Deionized water 22kg is added in pre-dispersed cylinder, stirring is opened, then sequentially adds Nanjing road Ninghua under stiring
Linearity block structure disperses agent 0.7kg, the propylene glycol 2kg of Huizhou Kun Yang companies of the model DN-8311 of company, after adding
20min is stirred, the water aluminum-silver slurry of the model P-9115S of Anhui Xu Yang companies is then added under 400 revs/min of rotating speeds
8kg and scattered 30min, then add in the pH adjusting agent 0.3kg of the model AMP-95 of Dow Chemical, are stirred after adding
5min, then closed standing is for 24 hours afterwards for mixing paint use.
Make base-material：
The pure acrylic latex 50kg for the model RS-2806 for adding in Ahmedabad richness company is weighed in cylinder is produced, is then put
Organic silicon defoamer 0.3kg, the wetting of commercially available non-organic silicon eka-silicon of the model BYK024 of Bi Ke chemistry is sequentially added with stirring
Agent 0.3kg, commercially available non-organic silicon levelling agent 0.2kg, Huffman chemistry model BT preservative 0.15kg, Huffman chemistry
The moistureproof and mildewproof agent 0.6kg of model M3, Eastman company model Texanol coalescents 2.8kg, after adding
10min is stirred under 500 revs/min of rotating speeds to uniformly for mixing paint use.
Make anti-settling liquid：
Deionized water 7.85kg is weighed in cylinder is pre-dissolved, then adds in the model AQH- of Gong Yao chemical companies under stiring
810 anti-settling wax liquor 1.5kg, stirring 10min is miscible completely with deionization to anti-settling wax liquor under 500 revs/min of rotating speeds after adding,
Then the aluminium powder orientation wax liquor 2kg of the model BYK8421 of Bi Ke companies is added with stirring, then adds in Dow Chemical
The pH adjusting agent 0.3kg of model AMP-95 stirs 10min to uniformly for mixing paint use after adding.
Mix paint：
It is added in mixed cylinder and acrylic acid base-material 54.35kg made from base-material is made in the present embodiment, then stirring is lower adds
Enter in the present embodiment make water aluminum-silver slurry pre-dispersed liquid made from water aluminum-silver slurry pre-dispersed liquid 33kg, after adding 500 turns/
Stir 10min under point rotating speed, be then added with stirring in the present embodiment make it is anti-settling and fast made from anti-settling and slewing liquid
Fast oriented liquid 11.65kg is finally added slowly with stirring thickener 1kg (deionized water 0.5kg, the sea of mixed diluting in advance
The thickener 0.5kg of the model TA2652 of profit company), stir 10min under 500 revs/min of rotating speeds after adding is to uniform
Aluminum paint, aqueous finished product.
Comparative example 4
Make water aluminum-silver slurry pre-dispersed liquid：
Deionized water 22kg is added in pre-dispersed cylinder, stirring is opened, then sequentially adds Nanjing road Ninghua under stiring
Linearity block structure disperses agent 0.7kg, the propylene glycol 2kg of Huizhou Kun Yang companies of the model DN-8311 of company, after adding
20min is stirred, the water aluminum-silver slurry of the model P-9115S of Anhui Xu Yang companies is then added under 400 revs/min of rotating speeds
8kg and scattered 30min, then add in the pH adjusting agent 0.3kg of the model AMP-95 of Dow Chemical, are stirred after adding
5min, then closed standing is for 24 hours afterwards for mixing paint use.
Make base-material：
Organosilicon/the acrylate copolymer emulsion for the model RS-996KD for adding in Ahmedabad richness company is weighed in cylinder is produced
The fluorine carbon emulsion 30kg of the model DF-01 of 20kg, Dong Fu company is subsequently placed under stirring and sequentially adds commercially available non-organic silicon class
Antifoaming agent 0.3kg, commercially available non-organic silicon eka-silicon wetting agent 0.3kg, commercially available non-organic silicon levelling agent 0.2kg, Huffman chemistry
The preservative 0.15kg of model BT, the model M3 of Huffman chemistry moistureproof and mildewproof agent 0.6kg, Ke Naiou companies model
The efficient coalescents 2.8kg of K-FLEX975P stirs 10min to uniform for mixing paint after adding under 500 revs/min of rotating speeds
It uses.
Make anti-settling liquid：
Deionized water 7.85kg is weighed in cylinder is pre-dissolved, then adds in the model AQH- of Gong Yao chemical companies under stiring
810 anti-settling wax liquor 1.5kg, stirring 10min is miscible completely with deionization to anti-settling wax liquor under 500 revs/min of rotating speeds after adding,
Then the aluminium powder orientation wax liquor 2kg of the model BYK8421 of Bi Ke companies is added with stirring, then adds in Dow Chemical
The pH adjusting agent 0.3kg of model AMP-95 stirs 10min to uniformly for mixing paint use after adding.
Mix paint：
It is added in mixed cylinder and fluorine silicon composite base-material 54.35kg made from base-material is made in the present embodiment, under then stirring
It adds in and water aluminum-silver slurry pre-dispersed liquid 33kg made from water aluminum-silver slurry pre-dispersed liquid is made in the present embodiment, 500 after adding
Stir 10min under rev/min rotating speed, be then added with stirring in the present embodiment make it is anti-settling made from anti-settling and slewing liquid and
Slewing liquid 11.65kg, be finally added slowly with stirring mixed diluting in advance thickener 1kg (deionized water 0.5kg,
The thickener 0.5kg of the model TA2652 of Hai Run companies), after adding under 500 revs/min of rotating speeds stir 10min to uniformly i.e.
For aluminum paint, aqueous finished product.
Table two
Composite water soluble aluminium paint made from embodiment 1-3 is can be seen that from the result of table two, it is accurate between each component to answer
Match somebody with somebody and processing technology that each step is stringent, gained composite water soluble aluminium paint have excellent aluminium powder fast positioning function, be both suitble to
Using traditional spraying application, roller application also is adapted for, is not in aluminium powder aggregation and subsidence problems, substantially increases work efficiency,
Save construction cost.Using aluminum paint, aqueous made from the embodiment of the present invention 1~3, employed due to comparing comparative example 1 with line
Property block structure linear dispersed agent, and using the similar organic silicon pH adjusting agent adjustment pH with aqueous aluminum powder covering material
Value to 8.5~9.5, stir evenly after stand the technique being then added to afterwards for 24 hours in product, enhance the protection to active aluminium, every
The path of hydrogen discharge reaction occurs with water absolutely, imparts the permanent bin stability of product, has prevented swell occur even to scrap
Risk.Compared to comparative example 2, due to using special modified polyamide wax liquor carry out aluminium powder it is anti-settling, using modified ethylene vinyl acetate second
Alkene copolymer wax emulsion carries out aluminium powder arrangement orientation, assigns the better bin stability of product, will not generate precipitation；More attach most importance to
What is wanted is product form of construction work flexible and convenient, work efficiency height, and effect is good after construction, glossiness is high, fidelity is strong.Compared to comparative example 3,
Due to carrying out compounding modulation base-material using organosilicon/acrylic emulsion and fluorine carbon emulsion, it is resistance to give full play to Si-C keys, F-C key height
The synergistic effect of ultraviolet light, while the organic silicon auxiliary agent with good hydrophobic performance is largely used in product system, significantly
Degree promotes water resistance, the weatherability of product, assigns product better performance, makes aluminum paint, aqueous real to reach solvent based product
Using effect, realize the purpose of environment-friendly and high-energy.Compared to comparative example 4, there is similar structure to fluorine silicon compounding base-material due to selected
And the antifoaming agent of approximation surface tension, wetting agent, levelling agent, pH adjusting agent, remove the surface tension gradient of film coated surface
Difference reaches surface tension balance, promotes flowing and the levelling of film, enhances the spread of coating, improves adhesive force, solves existing
Have in technology due to easy shrinkage cavity caused by organosilicon/Organic fluoride surface tension is small, recoatability is poor the shortcomings that.
Claims (9)
1. a kind of easily orientation, high performance fluorine silicon composite water soluble aluminium paint, which is characterized in that mixed by each component of following parts by weight
Modulation is closed to obtain：54.1~54.55 parts of fluorine silicon composite base-material, 32.9~33.1 parts of water aluminum-silver slurry pre-dispersed liquid are anti-settling and fast
Fast 11.6~11.75 parts of oriented liquid, 0.3~0.7 part of deionized water, 0.3~0.7 part of thickener；
The water aluminum-silver slurry pre-dispersed liquid includes following parts by weight and matches each component：Deionized water 21~23, linearity block
Structure disperses agent 0.6~0.8, propylene glycol 1.9~2.1, water aluminum-silver slurry 7~9, organosilicon pH adjusting agent 0.2~0.4；
The fluorine silicon composite base-material organosilicon includes following parts by weight and matches each component：Organosilicon/acrylate copolymer emulsion 19
~21, fluorine carbon emulsion 29~31, organic silicon defoamer 0.25~0.4, organosilicon wetting agent 0.25~0.4, organosilicon levelling agent
0.15~0.25, preservative 0.15, moistureproof and mildewproof agent 0.5~0.7, efficient coalescents 2.5~3；
Described anti-settling and slewing liquid includes following parts by weight proportioning each component：Deionized water 7.6~8.15, it is anti-settling
Wax liquor 1.3~1.7, aluminium powder orientation wax liquor 1.5~2.5, organosilicon pH adjusting agent 0.25~0.35.
2. easily orientation, high performance fluorine silicon composite water soluble aluminium paint as described in claim 1, which is characterized in that the fluorine silicon is answered
Close 54.35 parts of base-material, 33 parts of water aluminum-silver slurry pre-dispersed liquid, anti-settling and 11.65 parts of slewing liquid, 0.5 part of deionized water, increasing
Thick dose 0.5 part.
3. easily orientation, high performance fluorine silicon composite water soluble aluminium paint as claimed in claim 1 or 2, which is characterized in that anti-settling wax liquor
It is preferred that with special modified polyamide wax liquor, solid content about 15%, amine is dimethylethanolamine, and solvent is water/propylene glycol monomethyl ether,
PH value 8.7；Aluminium powder orients wax liquor as modified ethylene vinyl acetate ethylene copolymer wax emulsion, solid content 20%；Linearity block structure point
Powder is made of special novel interfacial material, index of refraction 1.487 ± 0.002, pH value 7 ± 0.5；The water aluminum-silver slurry is
The product that SiO2/ high molecular materials are surface-treated, solid content 58~62%, 15 microns of grain size；The organosilicon pH is adjusted
Agent be solid content about 55%, density about 1.4g/cm3, a kind of organosilicon sylvite of pH value about 13~14；Organosilicon/the propylene
The solid content 48~50% of sour copolymer emulsion, pH value 7~9；The solid content 43~47% of the fluorine carbon emulsion, fluorine content 9~
23~25 DEG C of 11%, Tg；The organic silicon defoamer is non-volatile content ＞ 95%, the hydrophobic solid in polyethylene glycol is with breaking
Steep polysiloxane mixture；The organosilicon wetting agent is special polysiloxane/copolyether of active matter content 100%；
The organosilicon levelling agent is the polyether-modified dimethyl silicone polymer of solid content >=95%；The efficient coalescents are diethyl
Bisbenzoate, dipropylene glycol dibenzoate and propylene glycol dibenzoate mixture.
4. the easy orientation as described in claim 1-3, high performance fluorine silicon composite water soluble aluminium paint, which is characterized in that described linear
Block structure dispersant is the product of the model DN-8311 of Nanjing Dao Ning chemical companies；The water aluminum-silver slurry is the Anhui rising sun
The product of the model P-9115S of positive company's production；The organosilicon pH adjusting agent is the model of Wa Ke companies production
The product of BS168.
5. the easy orientation as described in claim 1-3, high performance fluorine silicon composite water soluble aluminium paint, which is characterized in that described organic
The product for the model RS-996KD that silicon/acrylate copolymer emulsion produces for Ahmedabad richness company；The fluorine carbon emulsion is Shang Haidong
The product of the model DF-01 of fluorine production；The organic silicon defoamer is the model BYK024's of Bi Ke chemical companies production
Product；The organosilicon wetting agent is the product of the model Tego Wet KL 245 of Di Gao chemical companies；The organosilicon stream
The product for the model Silok 350 that flat agent produces for Si Luoke chemical companies；The preservative is given birth to for Huffman chemical company
The product of the model BT of production；The product for the model M3 that the moistureproof and mildewproof agent produces for Huffman chemical company；The height
Imitate product of the coalescents for the model K-FLEX 975P of Ke Naiou companies；The thickener is sold for Shenzhen Hai Run companies
Model TH2652 product.
6. easily orientation, high performance fluorine silicon composite water soluble aluminium paint as claimed in claim 3, which is characterized in that the anti-settling wax
Starch the product of the model AQH-810 for Gong Yao chemical companies；The aluminium powder orientation wax liquor is the model of Bi Ke chemical companies
The product of BYK8421.
7. a kind of easy orientation, the preparation method of high performance fluorine silicon composite water soluble aluminium paint, it is characterised in that：Comprise the following steps：
Make water aluminum-silver slurry pre-dispersed liquid：
Deionized water is added in pre-dispersed cylinder, the agent of linearity block structure disperses, propylene glycol are sequentially added under moderate-speed mixer, is stirred
Mix to being uniformly mixed, then add in water aluminum-silver slurry and scattered 30min under stiring, add organosilicon pH adjusting agent adjust to
PH value is 8.5~9.5, continues to stir 5min, closed standing is for 24 hours；
Make fluorine silicon composite base-material：
It is weighed successively in cylinder is produced and adds in organosilicon/acrylate copolymer emulsion, fluorine carbon emulsion, then under moderate-speed mixer successively
Organic silicon defoamer, organosilicon wetting agent, organosilicon levelling agent, preservative, moistureproof and mildewproof agent, efficient coalescents are added in, are added
Stirring 10min is to uniform after complete；
Make anti-settling and slewing liquid：
Deionized water is weighed in cylinder is pre-dissolved, anti-settling wax liquor is added under moderate-speed mixer, continue stirring to anti-settling wax liquor and go from
Sub- water is miscible, adds in aluminium powder orientation wax liquor under stiring, adds organosilicon pH adjusting agent, be stirred until homogeneous after adding；
Mix paint：
Fluorine silicon composite base-material is added in mixed cylinder, water aluminum-silver slurry pre-dispersed liquid, stirring to mixing are added under moderate-speed mixer
Uniformly, anti-settling and slewing liquid is then added under stiring, is finally added slowly with stirring the thickening of mixed diluting in advance
Agent；And continue to stir 10min to uniformly up to the composite water soluble aluminium paint finished product.
8. easily orientation, the preparation method of high performance fluorine silicon composite water soluble aluminium paint as claimed in claim 7, it is characterised in that：
54.1~54.55 parts of fluorine silicon composite base-material, 32.9~33.1 parts of water aluminum-silver slurry pre-dispersed liquid, anti-settling and slewing liquid 11.6
~11.75 parts, 0.3~0.7 part of deionized water, 0.3~0.7 part of thickener；
The water aluminum-silver slurry pre-dispersed liquid includes following parts by weight and matches each component：Deionized water 21~23, linearity block
Structure disperses agent 0.6~0.8, propylene glycol 1.9~2.1, water aluminum-silver slurry 7~9, organosilicon pH adjusting agent 0.2~0.4；
The fluorine silicon composite base-material organosilicon includes following parts by weight proportioning each component：Organosilicon/acrylic acid copolymer breast
Liquid 19~21, fluorine carbon emulsion 29~31, organic silicon defoamer 0.25~0.4, organosilicon wetting agent 0.25~0.4, organosilicon stream
Flat agent 0.15~0.25, preservative 0.15, moistureproof and mildewproof agent 0.5~0.7, efficient coalescents 2.5~3；
Described anti-settling and slewing liquid includes following parts by weight proportioning each component：Deionized water 7.6~8.15, it is anti-settling
Wax liquor 1.3~1.7, aluminium powder orientation wax liquor 1.5~2.5, organosilicon pH adjusting agent 0.25~0.35.
9. easily orientation, the preparation method of high performance fluorine silicon composite water soluble aluminium paint, feature exist as claimed in claim 7 or 8
In：The thickener of the mixed diluting in advance refers to thickener being diluted in the deionized water of identical weight.
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| CN109294351A (en) * | 2018-09-05 | 2019-02-01 | 河南颂源涂料有限公司 | A kind of bi-component waterborne environmental protection fluorine carbon metallic paint and preparation method thereof |
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| CN114574058A (en) * | 2022-02-12 | 2022-06-03 | 固克节能科技股份有限公司 | Single-component water-based flashing building coating and preparation method thereof |
| CN115433494A (en) * | 2022-06-14 | 2022-12-06 | 上海衡峰厚千水性氟碳涂料有限公司 | Moisture-cold-resistant coating for metal coiled material and preparation method thereof |
| CN116120828A (en) * | 2022-12-29 | 2023-05-16 | 广州亦盛环保科技有限公司 | Water-based aluminum silver powder coating with excellent covering property, and preparation method and application thereof |
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