CN109439119A - A kind of architectural decoration imitates the coating and preparation method thereof of metal-like - Google Patents
A kind of architectural decoration imitates the coating and preparation method thereof of metal-like Download PDFInfo
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- CN109439119A CN109439119A CN201811365498.6A CN201811365498A CN109439119A CN 109439119 A CN109439119 A CN 109439119A CN 201811365498 A CN201811365498 A CN 201811365498A CN 109439119 A CN109439119 A CN 109439119A
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/38—Paints containing free metal not provided for above in groups C09D5/00 - C09D5/36
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to building coating fields, disclose a kind of coating and preparation method thereof of imitative metal-like of architectural decoration.Including following preparation process: (1) being added to the water metallic flake pigment and ultraviolet light screener and be made into core material dispersion liquid；(2) urea-formaldehyde prepolymer is made in urea and formaldehyde hybrid reaction；(3) urea-formaldehyde prepolymer is added in core material dispersion liquid, spherical microcapsule is made in polycondensation reaction；(4) spherical microcapsule, solubilizer, surface treating agent, inorganic reinforcing filler, antioxidant, toughener are uniformly mixed with polymer emulsion, imitative metal-like coating is made.In imitative metallic paint produced by the present invention, make transparent capsule material for metallic flake pigment and ultraviolet light screener coating modification with Lauxite, it is good with the compatibility of coating, it is uniformly dispersed in coating, the binding force of gained coating and substrate is strong, stability is good in storage, and has excellent metal-like.
Description
Technical field
The present invention relates to building coating field, coating and its preparation side that a kind of architectural decoration imitates metal-like are disclosed
Method.
Background technique
In recent years, as people's awareness of environmental protection continues to increase, and the coating with metal-like is increasingly by people's
Pay attention to, metal powder coating film metal luster, there is splendid multicolor effect and defencive function outstanding, imitates metal and apply
The classification of material is mainly carried out according to the function of appearance of film effect, metallic pigments type or film, be automobile, household electrical appliances,
The top grade industrial goods such as instrument and meter provide bright and colourful decorative appearance.
In order to make coating have metal-like, when being modified to common coating raw material, it is mesh that metallic aluminium powder, which is added,
Preceding more general way, the aluminium powder are actually small aluminium flake, are distributed in matrix resin, parallel with ground,
Numerous aluminium powders interconnects, and sized particles are mutually filled up to form continuous metal film, covered ground, showed metallic
Sense, can make the metal-like of frosting more obvious, this is because pearlescent pigment has if pearlescent pigment is added simultaneously
Special physical structure can embody pearl effect by multipath reflection and interference when being irradiated by light, so that material table
The reflected light in face is closer to metal-like.
The surface of tiny metallic flake pigment can be excessive, stable presence is difficult in system, and compatibility is paid no attention to
Think and be difficult to be uniformly dispersed in coating, and the binding force for also resulting in coating and substrate is deteriorated.In addition, coating also faces
The challenge of ultraviolet light, therefore uvioresistant filler, such as ultraviolet light screener titanium dioxide, zinc oxide, zinc are usually added in coating
Barium etc., still, dispersed relatively poor, the extreme influence weatherability of inorganic UV shield agent and metallic pigments in coating,
And influence quality and appearance.
Chinese invention patent application number 201710954187.2 discloses a kind of imitative metal-like coating and preparation method thereof,
Substance including following parts by weight: 100 ~ 150 parts by weight of polymer emulsion, 20 ~ 45 parts by weight of metallic flake pigment, inorganic filler
10 ~ 25 parts by weight, 2 ~ 8 parts by weight of antioxidant, 5 ~ 20 parts by weight of toughener, 3 ~ 6 parts by weight of solubilizer, surface treating agent 1 ~ 5
Parts by weight；Wherein, the partial size of metallic flake pigment is 1 ~ 50 micron.The imitative metal-like coating of the invention has excellent machinery
Performance, high-surface gloss and metal-like.
Chinese invention patent application number 200810001468.7 discloses a kind of imitation metal fluorocarbon paint that exterior wall is simple painted
And preparation method, it contains the component A, component B and component C individually packed.Wherein component A(is painted) have: it is fluorocarbon resin, anti-settling
Agent, vinyl acetate cellulose slurry, defoaming agent, butyl acetate, dimethylbenzene, fluorine-carbon modified polyacrylic acid levelling agent, organic modified silicas
Oxygen alkane increases sliding levelling agent, metallic pigments slurry, light stabilizer, ultraviolet absorbing agent UV-1, and component B has: curing agent；Component C has: dilute
Agent is released, proportion and preparation method thereof is shown in specification in detail.The advantages of invention is: cost is lower, and coating is simple, does not need finishing coat
Lacquer finish, color is uniform with gloss, super long weatherability, excellent chemical resistance, outstanding stain resistance.
According to above-mentioned, in the technology in existing scheme for imitating metal-like coating, addition metallic pigments are generallyd use
Method disperses unevenness, and the inorganic UV screener usually added since metallic pigments are poor with paint compatibility in coating
When, the defect of bad dispersibility is equally existed, the quality and appearance of imitative metallic paint are affected.
Summary of the invention
At present in the wider imitative metal-like coating of application, metallic pigments and generally existing point of inorganic UV screener are added
The problems such as property is poor is dissipated, so that the quality and appearance of imitative metal sense coating are undesirable.
To solve the above problems, the invention adopts the following technical scheme:
A kind of preparation method of the coating of the imitative metal-like of architectural decoration, the detailed process of preparation are as follows:
(1) metallic flake pigment and ultraviolet light screener are weighed, is added in deionized water, is made into core material dispersion liquid；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 1 ~ 6 with acid solution afterwards, and transparent capsule material cladding lamellar gold is made in the polycondensation at 15 ~ 55 DEG C, cured, centrifuge washing
Belong to the spherical microcapsule of pigment；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 30 ~ 60min in batch mixer, inorganic reinforcing filler is then added, 15 ~ 45min of ultrasonic disperse at 50 ~ 70 DEG C, and
30 ~ 45min is stood, antioxidant, toughener are added, is uniformly mixed, imitative metal-like coating is made.
Preferably, in step (1), 10 ~ 20 parts by weight of metallic flake pigment, 3 ~ 6 parts by weight of ultraviolet light screener, deionization
74 ~ 87 parts by weight of water.
Preferably, step (1) metallic flake pigment is at least one of aluminium powder, iron powder, silver powder, copper powder, zinc powder.
Preferably, step (1) ultraviolet light screener is at least one of titanium dioxide, zinc oxide, zinc barium.
Preferably, in step (3), 20 ~ 40 parts by weight of urea-formaldehyde prepolymer, 60 ~ 80 parts by weight of core material dispersion liquid.
Preferably, in step (4), 12 ~ 15 parts by weight of spherical microcapsule, 1 ~ 2 parts by weight of solubilizer, polymer emulsion 56 ~
78 parts by weight, 5 ~ 20 parts by weight of inorganic reinforcing filler, 0.5 ~ 1 parts by weight of antioxidant, increase 0.5 ~ 1 parts by weight of surface treating agent
Tough dose of 3 ~ 5 parts by weight.
Preferably, the solubilizer is Emulsifier EL-60, fatty alcohol polyoxyethylene ether, aliphatic alcohol polyethenoxy-gather
At least one of oxypropylene ether, polyglyceryl fatty acid ester.
Preferably, the polymer emulsion be high glaze silicone acrylic emulsion, acrylic emulsion, in epoxy resin latex at least
It is a kind of.
Preferably, the surface treating agent is sodium alkyl sulfonate, sodium alkyl benzene sulfonate, at least one in Negel
Kind.
Preferably, the inorganic reinforcing filler is at least one of talcum powder, mica powder, calcium carbonate.
Preferably, the antioxidant is N, N'- diphenyl-para-phenylene diamine, phenothiazine, in N- phenyl-α-naphthylamine
It is at least one.
Preferably, the toughener is styrene butadiene thermoplasticelastomer, acrylonitrile-butadiene-styrene (ABS) copolymerization
At least one of object, ethylene-vinyl acetate copolymer.
A kind of architectural decoration prepared by the above method imitates the coating of metal-like, first weighs suitable lamellar gold
It is made into dispersion liquid after belonging to pigment and ultraviolet light screener, makees core material use；By urea and formaldehyde hybrid reaction, ureaformaldehyde pre-polymerization is obtained
Body；Coring material dispersion liquid again is added urea-formaldehyde prepolymer, obtains mixed solution, contracted with the pH value of acid solution tune mixed solution
It is poly-, then cured, centrifuge washing, the spherical microcapsule that transparent capsule material coats metallic flake pigment is obtained by the polymerization；By institute
It obtains microcapsules to mix with solubilizer in addition polymer emulsion, surface treating agent is added, is mixed in batch mixer, nothing is then added
Machine reinforcing filler stands after ultrasonic disperse, adds antioxidant, toughener, after mixing.
The present invention provides the coating and preparation method thereof that a kind of architectural decoration imitates metal-like, with prior art phase
Than the feature and excellent effect protruded is:
1, addition metallic pigments and ultraviolet light screener in urea-formaldehyde prepolymer polymerization process are proposed and prepares the imitative gold of architectural decoration
Belong to the method for the coating of texture.
2, by the way that metallic flake pigment and ultraviolet light screener are added in urea-formaldehyde prepolymer polymerization process, with Lauxite
Make transparent capsule material for metallic flake pigment and ultraviolet light screener coating modification, obtain with the good compatibility of coating emulsion,
So that metallic pigments and ultraviolet light screener are uniformly dispersed in coating.
3, the binding force of coating prepared by the present invention and substrate is strong, and stability is good in storage, and transparent capsule material cladding will not
The imitative metal effect of coating is influenced, therefore there is excellent metal-like.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) metallic flake pigment and ultraviolet light screener are weighed, is added in deionized water, is made into core material dispersion liquid；Sheet metal
Pigment is aluminium powder；Ultraviolet light screener is titanium dioxide；Wherein, 12 parts by weight of metallic flake pigment, 4 weight of ultraviolet light screener
Part, 85 parts by weight of deionized water；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 2 with acid solution afterwards, and transparent capsule material cladding metallic flake pigment is made in the polycondensation at 25 DEG C, cured, centrifuge washing
Spherical microcapsule；
Wherein, 25 parts by weight of urea-formaldehyde prepolymer, 75 parts by weight of core material dispersion liquid；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 40min in batch mixer, inorganic reinforcing filler is then added, the ultrasonic disperse 35min at 55 DEG C, and stands
35min adds antioxidant, toughener, is uniformly mixed, and imitative metal-like coating is made；Solubilizer is polyoxyethylene caster
Oil；Polymer emulsion is high glaze silicone acrylic emulsion；Surface treating agent is sodium alkyl sulfonate；Inorganic reinforcing filler is talcum powder；It is anti-
Oxidant is N, N'- diphenyl-para-phenylene diamine；Toughener is styrene-butadiene；
Wherein, 13 parts by weight of spherical microcapsule, 1 parts by weight of solubilizer, 72 parts by weight of polymer emulsion, 0.5 weight of surface treating agent
Measure part, 10 parts by weight of inorganic reinforcing filler, 0.5 ~ parts by weight of antioxidant, 3 parts by weight of toughener.
Embodiment 2
(1) metallic flake pigment and ultraviolet light screener are weighed, is added in deionized water, is made into core material dispersion liquid；Sheet metal
Pigment is iron powder；Ultraviolet light screener is zinc oxide；Wherein, 17 parts by weight of metallic flake pigment, 5 weight of ultraviolet light screener
Part, 78 parts by weight of deionized water；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 5 with acid solution afterwards, and transparent capsule material cladding metallic flake pigment is made in the polycondensation at 45 DEG C, cured, centrifuge washing
Spherical microcapsule；
Wherein, 35 parts by weight of urea-formaldehyde prepolymer, 65 parts by weight of core material dispersion liquid；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 50min in batch mixer, inorganic reinforcing filler is then added, the ultrasonic disperse 25min at 65 DEG C, and stands
40min adds antioxidant, toughener, is uniformly mixed, and imitative metal-like coating is made；Solubilizer is fatty alcohol polyoxy second
Alkene ether；Polymer emulsion is acrylic emulsion；Surface treating agent is sodium alkyl benzene sulfonate；Inorganic reinforcing filler is mica powder；It is anti-
Oxidant is phenothiazine；Toughener is acrylonitrile-butadiene-styrene copolymer；
Wherein, 145 parts by weight of spherical microcapsule, 2 parts by weight of solubilizer, 62 parts by weight of polymer emulsion, 1 weight of surface treating agent
Part, 15 parts by weight of inorganic reinforcing filler, 1 parts by weight of antioxidant, 5 parts by weight of toughener.
Embodiment 3
(1) metallic flake pigment and ultraviolet light screener are weighed, is added in deionized water, is made into core material dispersion liquid；Sheet metal
Pigment is silver powder；Ultraviolet light screener is zinc barium；Wherein, 16 parts by weight of metallic flake pigment, 4 parts by weight of ultraviolet light screener,
80 parts by weight of deionized water；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 3 with acid solution afterwards, and transparent capsule material cladding metallic flake pigment is made in the polycondensation at 35 DEG C, cured, centrifuge washing
Spherical microcapsule；
Wherein, 28 parts by weight of urea-formaldehyde prepolymer, 72 parts by weight of core material dispersion liquid；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 50min in batch mixer, inorganic reinforcing filler is then added, the ultrasonic disperse 35min at 58 DEG C, and stands
38min adds antioxidant, toughener, is uniformly mixed, and imitative metal-like coating is made；Solubilizer is fatty alcohol polyoxy second
Alkene-polyethenoxy ether；Polymer emulsion is epoxy resin latex；Surface treating agent is Negel；Inorganic reinforcing filler
For calcium carbonate；Antioxidant is N- phenyl-α-naphthylamine；Toughener is ethylene-vinyl acetate copolymer；
Wherein, 13 parts by weight of spherical microcapsule, 2 parts by weight of solubilizer, 66.5 parts by weight of polymer emulsion, surface treating agent 0.5
Parts by weight, 13 parts by weight of inorganic reinforcing filler, 1 parts by weight of antioxidant, 4 parts by weight of toughener.
Embodiment 4
(1) metallic flake pigment and ultraviolet light screener are weighed, is added in deionized water, is made into core material dispersion liquid；Sheet metal
Pigment is copper powder；Ultraviolet light screener is titanium dioxide；Wherein, 10 parts by weight of metallic flake pigment, 3 weight of ultraviolet light screener
Part, 87 parts by weight of deionized water；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 1 with acid solution afterwards, and transparent capsule material cladding metallic flake pigment is made in the polycondensation at 15 DEG C, cured, centrifuge washing
Spherical microcapsule；
Wherein, 20 parts by weight of urea-formaldehyde prepolymer, 80 parts by weight of core material dispersion liquid；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 30min in batch mixer, inorganic reinforcing filler is then added, the ultrasonic disperse 45min at 50 DEG C, and stands
30min adds antioxidant, toughener, is uniformly mixed, and imitative metal-like coating is made；Solubilizer is polyglycerol fatty acid
Ester；Polymer emulsion is high glaze silicone acrylic emulsion；Surface treating agent is sodium alkyl sulfonate；Inorganic reinforcing filler is talcum powder；It is anti-
Oxidant is N, N'- diphenyl-para-phenylene diamine；Toughener is styrene butadiene thermoplasticelastomer；
Wherein, 12 parts by weight of spherical microcapsule, 1 parts by weight of solubilizer, 78 parts by weight of polymer emulsion, 0.5 weight of surface treating agent
Measure part, 5 parts by weight of inorganic reinforcing filler, 0.5 parts by weight of antioxidant, 3 parts by weight of toughener.
Embodiment 5
(1) metallic flake pigment and ultraviolet light screener are weighed, is added in deionized water, is made into core material dispersion liquid；Sheet metal
Pigment is zinc powder；Ultraviolet light screener is zinc oxide；Wherein, 20 parts by weight of metallic flake pigment, 6 weight of ultraviolet light screener
Part, 74 parts by weight of deionized water；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 6 with acid solution afterwards, and transparent capsule material cladding metallic flake pigment is made in the polycondensation at 55 DEG C, cured, centrifuge washing
Spherical microcapsule；
Wherein, 40 parts by weight of urea-formaldehyde prepolymer, 60 parts by weight of core material dispersion liquid；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 60min in batch mixer, inorganic reinforcing filler is then added, the ultrasonic disperse 15min at 70 DEG C, and stands
45min adds antioxidant, toughener, is uniformly mixed, and imitative metal-like coating is made；Solubilizer is polyoxyethylene caster
Oil；Polymer emulsion is acrylic emulsion；Surface treating agent is sodium alkyl benzene sulfonate；Inorganic reinforcing filler is mica powder；Antioxygen
Agent is phenothiazine；Toughener is acrylonitrile-butadiene-styrene copolymer；
Wherein, 15 parts by weight of spherical microcapsule, 2 parts by weight of solubilizer, 56 parts by weight of polymer emulsion, 1 weight of surface treating agent
Part, 20 parts by weight of inorganic reinforcing filler, 1 parts by weight of antioxidant, 5 parts by weight of toughener.
Embodiment 6
(1) metallic flake pigment and ultraviolet light screener are weighed, is added in deionized water, is made into core material dispersion liquid；Sheet metal
Pigment is aluminium powder；Ultraviolet light screener is zinc barium；Wherein, 15 parts by weight of metallic flake pigment, 4 parts by weight of ultraviolet light screener,
81 parts by weight of deionized water；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 3 with acid solution afterwards, and transparent capsule material cladding metallic flake pigment is made in the polycondensation at 35 DEG C, cured, centrifuge washing
Spherical microcapsule；
Wherein, 30 parts by weight of urea-formaldehyde prepolymer, 70 parts by weight of core material dispersion liquid；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 45min in batch mixer, inorganic reinforcing filler is then added, the ultrasonic disperse 35min at 60 DEG C, and stands
38min adds antioxidant, toughener, is uniformly mixed, and imitative metal-like coating is made；Solubilizer is fatty alcohol polyoxy second
Alkene ether；Polymer emulsion is epoxy resin latex；Surface treating agent is Negel；Inorganic reinforcing filler is calcium carbonate；
Antioxidant is N- phenyl-α-naphthylamine；Toughener is ethylene-vinyl acetate copolymer；
Wherein, 14 parts by weight of spherical microcapsule, 1 parts by weight of solubilizer, 67 parts by weight of polymer emulsion, 1 weight of surface treating agent
Part, 12 parts by weight of inorganic reinforcing filler, 1 parts by weight of antioxidant, 4 parts by weight of toughener.
Comparative example 1
Comparative example 1 does not carry out coating modification using Lauxite, and other conditions and embodiment 6 are identical, imitative metallic obtained
Feel coating
The imitative metallic paint prepared to above-described embodiment and comparative example carries out using test:
(1) metallic pigments distribution characteristics: distribution characteristics of the SEM scanning electron microscopic observation metallic pigments in coating is directlyed adopt；
(2) it imitates metal effect: by applying coating produced by the present invention in tinplate, sufficiently solidifying, visually observe the imitative of coating
Metal effect；
Test result is shown in Table 1.
Table 1:
Claims (8)
1. the preparation method that a kind of architectural decoration imitates the coating of metal-like, which is characterized in that the detailed process of preparation are as follows:
(1) metallic flake pigment and ultraviolet light screener are taken, is added in deionized water, is made into core material dispersion liquid；
(2) by urea and formaldehyde hybrid reaction, urea-formaldehyde prepolymer is made；
(3) urea-formaldehyde prepolymer made from step (2) is added in core material dispersion liquid made from step (1), mixed solution is made, so
PH value is adjusted to 1 ~ 6 with acid solution afterwards, and transparent capsule material cladding lamellar gold is made in the polycondensation at 15 ~ 55 DEG C, cured, centrifuge washing
Belong to the spherical microcapsule of pigment；
(4) spherical microcapsule made from step (3) is mixed with solubilizer, is added in polymer emulsion, adds surface treatment
Agent mixes 30 ~ 60min in batch mixer, inorganic reinforcing filler is then added, 15 ~ 45min of ultrasonic disperse at 50 ~ 70 DEG C, and
30 ~ 45min is stood, antioxidant, toughener are added, is uniformly mixed, imitative metal-like coating is made.
2. a kind of architectural decoration imitates the preparation method of the coating of metal-like according to claim 1, it is characterised in that: step
Suddenly in (1), 10 ~ 20 parts by weight of metallic flake pigment, 3 ~ 6 parts by weight of ultraviolet light screener, 74 ~ 87 parts by weight of deionized water.
3. a kind of architectural decoration imitates the preparation method of the coating of metal-like according to claim 1, it is characterised in that: step
Suddenly (1) described metallic flake pigment is at least one of aluminium powder, iron powder, silver powder, copper powder, zinc powder.
4. a kind of architectural decoration imitates the preparation method of the coating of metal-like according to claim 1, it is characterised in that: step
Suddenly (1) described ultraviolet light screener is at least one of titanium dioxide, zinc oxide, zinc barium.
5. a kind of architectural decoration imitates the preparation method of the coating of metal-like according to claim 1, it is characterised in that: step
Suddenly in (3), 20 ~ 40 parts by weight of urea-formaldehyde prepolymer, 60 ~ 80 parts by weight of core material dispersion liquid.
6. a kind of architectural decoration imitates the preparation method of the coating of metal-like according to claim 1, it is characterised in that: step
Suddenly in (4), 12 ~ 15 parts by weight of spherical microcapsule, 1 ~ 2 parts by weight of solubilizer, 56 ~ 78 parts by weight of polymer emulsion, surface treatment
0.5 ~ 1 parts by weight of agent, 5 ~ 20 parts by weight of inorganic reinforcing filler, 0.5 ~ 1 parts by weight of antioxidant, 3 ~ 5 parts by weight of toughener.
7. a kind of architectural decoration according to claim 1 or 6 imitates the preparation method of the coating of metal-like, feature exists
In:
The solubilizer is Emulsifier EL-60, fatty alcohol polyoxyethylene ether, aliphatic alcohol polyethenoxy-polyethenoxy ether, gathers
At least one of fatty acid glyceride；
The polymer emulsion is at least one of high glaze silicone acrylic emulsion, acrylic emulsion, epoxy resin latex；
The surface treating agent is at least one of sodium alkyl sulfonate, sodium alkyl benzene sulfonate, Negel；
The inorganic reinforcing filler is at least one of talcum powder, mica powder, calcium carbonate；
The antioxidant is N, at least one of N'- diphenyl-para-phenylene diamine, phenothiazine, N- phenyl-α-naphthylamine；
The toughener is styrene butadiene thermoplasticelastomer, acrylonitrile-butadiene-styrene copolymer, ethylene-vinegar
At least one of vinyl acetate copolymer.
8. the coating that a kind of architectural decoration that any one of claim 1 ~ 7 the method is prepared imitates metal-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365498.6A CN109439119A (en) | 2018-11-16 | 2018-11-16 | A kind of architectural decoration imitates the coating and preparation method thereof of metal-like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365498.6A CN109439119A (en) | 2018-11-16 | 2018-11-16 | A kind of architectural decoration imitates the coating and preparation method thereof of metal-like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109439119A true CN109439119A (en) | 2019-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408936A (en) * | 2020-11-04 | 2021-02-26 | 泰山石膏有限公司 | Method for improving mechanical property of gypsum-based material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408936A (en) * | 2020-11-04 | 2021-02-26 | 泰山石膏有限公司 | Method for improving mechanical property of gypsum-based material |
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Application publication date: 20190308 |