CN106634332A - Novel exterior wall latex paint containing nano diamond alkene and preparation method of novel exterior wall latex paint - Google Patents
Novel exterior wall latex paint containing nano diamond alkene and preparation method of novel exterior wall latex paint Download PDFInfo
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
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- C09D125/14—Copolymers of styrene with unsaturated esters
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- 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
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Abstract
The invention belongs to the technical field of exterior wall latex paints, and particularly relates to a novel exterior wall latex paint containing nano diamond alkene and a preparation method of the novel exterior wall latex paint. The novel exterior wall latex paint containing the nano diamond alkene is prepared from the following raw materials in parts by weight: 10-25 parts of deionized water, 30-60 parts of film forming emulsion, 20-30 parts of titanium dioxide, 3-8 parts of nano diamond alkene, 0.5-2 parts of wetting dispersants, 0.1-0.5 part of defoaming agents, 0.1-1 part of mildew preventives, 1-3 parts of anti-freezing agents, 1-3 parts of film forming aids, 0.5-1.5 parts of thickening agents, 0.1-0.4 part of flatting agents and 0.1-0.3 part of pH regulators. Through the novel exterior wall latex paint containing nano diamond alkene, the problems of poor abrasion resistance, stain resistance, washing resistance, water resistance, alkali resistance and weather resistance of a conventional latex paint are solved; the comprehensive properties of abrasion resistance, stain resistance, washing resistance, water resistance, alkali resistance, weather resistance and the like of the latex paint are further improved on the basis of retaining the basic properties of the existing latex paint.
Description
Technical field
The invention belongs to exterior wall latex paint manufacture field, and in particular to a kind of novel external wall emulsion paint containing nanometer diamond alkene
And preparation method thereof.
Background technology
In recent years, with the development of domestic construction industry, the rise that a large amount of constructions of various buildings and housing decoration are fitted up, I
The constructional ornamental material of state is just stepping into the gold period of development, the increasingly enhancing that people are required beautifying constructure, coating conduct
Important building and ornament materials have obtained the development advanced by leaps and bounds, and demand is improved constantly.
The coating for using currently on the market is divided into organic solvent type coatings and water paint（That is emulsion paint）, emulsion paint be with
Acrylate copolymer emulsion is a big class synthetic resin emulsion coating of representative, and emulsion paint is water-dispersible paint, usually breast
White, typically in 50-1000nm, in 30%-70%, typical molecular weight is in 500000- for solids content for polymer particle diameters
1000000, have environmental protection, easy construction, dried coating film fast, good permeability, water-tolerant relative to organic solvent type coatings
Feature, but because emulsion paint is with moisture evaporation drying and forming-film, therefore its weatherability, stain resistance, scrub resistance etc. are relatively
Difference, and for the improvement of emulsion paint, although have to improve its wearability its stain resistant, scrub resistance still undesirable,
Such as Chinese invention patent " wear-resisting emulsion paint "（Publication number 105400322A）；Although what is had improves its wearability, anti-staining,
But its wearability, it is anti-it is staining be still weak, and abrasion resistance, resistance to water, alkali resistance, weatherability are still undesirable, such as in
State's patent of invention " exterior wall latex paint "（Publication number 102086331A）.
Therefore for wearability present in existing emulsion paint, stain resistance, abrasion resistance, resistance to water, alkali resistance, resistance to
The problems such as time property difference, needs to make further to improve.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of wearability, stain resistance, abrasion resistance,
Strong novel external wall emulsion paint containing nanometer diamond alkene of resistance to water, alkali resistance, weatherability and preparation method thereof.
Based on above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of novel external wall emulsion paint containing nanometer diamond alkene, is made up of the raw material of following parts by weight：Deionized water 10-25
Part, filming emulsion 30-60 parts, titanium dioxide 20-30 parts, nanometer diamond alkene 3-8 parts, wetting dispersing agent 0.5-2 parts, defoamer 0.1-
0.5 part, mould inhibitor 0.1-1 parts, antifreezing agent 1-3 parts, coalescents 1-3 parts, thickener 0.5-1.5 parts, levelling agent 0.1-0.4
Part, pH conditioning agent 0.1-0.3 parts.
Further, the nanometer diamond alkene is obtained by following methods：
A. ultrasonic wave alkali cleaning：Nanometer diamond alkene is put in the supersonic wave cleaning machine equipped with alkali lye, ultrasonic frequency is 28-
32KHz, concentration of lye is the NaOH solution of 10%-12%, and alkali cleaning temperature is 50-60 DEG C, and Stirring, mixing speed is 25-
30rpm, cleans 28-32min；
B. ultrasonic wave water washing：It is put into the nanometer diamond after alkali cleaning is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and mixing speed is 25-30rpm, and mixing time is 25-30min, takes supernatant liquor pH value determination, is cleaned repeatedly
Until pH=7；
C. acid-wash activation：By in the dilute addition pickle of the nanometer diamond after cleaning, described pickle concentration is 25%-30%
Sulfuric acid solution, alkali cleaning liquid temp be 50-60 DEG C, Stirring, mixing speed is 20-25rpm, stir 20-30min；
D. ultrasonic wave water washing：It is put into the nanometer diamond after pickling is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30-45KHz, and Stirring, mixing speed is 20-25rpm, stirs 8-10min, takes supernatant liquor pH value determination, instead
Multiple cleaning is until pH=7；
E. dry：The dilute speed with 3 DEG C/min of nanometer diamond after d. ultrasonic wave water washings is progressively warmed up to into 180-200 DEG C, is protected
Cool down with furnace temperature after warm 3h, then sealed storage is stand-by.
Further, described nanometer diamond alkene grain size proportion is 50nm ︰ 100nm ︰ 250nm=(1-2) ︰ (2-3) ︰ (4-
5)。
Further, described filming emulsion presses 1 by silicone acrylic emulsion and styrene-acrylic emulsion:1 proportioning is mixed.
Further, described titanium dioxide is rutile type titanium white.
Further, described wetting dispersing agent is calgon；Described defoamer is water-soluble silicon oils froth breaking
Agent.
Further, described mould inhibitor is by benzimidazole mould inhibitor and isoxazole class mould inhibitor 1:1 is mixed；It is described
Antifreezing agent be propane diols.
Further, described coalescents are lauryl alcohol ester；Described thickener is by alkali swelling type thickener and poly- ammonia
Ester type thickener is according to 1:1 ratio is mixed.
Further, described levelling agent by acrylic compounds levelling agent and silicone levelling agent according to 1:1 is mixed；
Described pH adjusting agent is ammoniacal liquor.
Further, the preparation method of the described novel external wall emulsion paint containing nanometer diamond alkene, comprises the steps of：
1）The dispersion of color stuffing is prepared：34% of deionized water in raw material, the 50% of wetting dispersing agent is taken, is added in container, stirred
Dispersion 2-3min is mixed, nanometer diamond alkene is added while stirring under 1000-1500rpm speed, finally container ultrasonic wave is put into into
In dispersion machine, under the frequency of 30KHz 20-30min is disperseed, intermediate product A is obtained；
2）50% deionized water, 50% wetting dispersing agent, 50% defoamer and thickener in raw material are added to into dispersion at a high speed
In tank, under the speed of 100-200rpm 5-10min is stirred so as to fully dissolving dispersion, be subsequently adding intermediate product A, stirred
3-5min, finally adds while stirring titanium dioxide, and progressively increases stir speed (S.S.), disperses under the rotating speed of 1200-1500rpm
30-40min, filters, and intermediate product B is obtained；
3）The preparation of auxiliary agent：By remaining 16% deionized water, 50% defoamer and thickener in raw material, antifreezing agent, mould inhibitor,
Coalescents and levelling agent are added in container, are thoroughly mixed uniform, prepared intermediate product C；
4）The preparation of emulsion paint：Filming emulsion is added in paint mixing tank, under the speed of 100-200rpm, is added while stirring
Intermediate product B, addition stirs 10-15min after finishing, and is then slowly added into intermediate product C, continues to stir 10min, is adjusted with pH
Agent adjusts pH value to 8-9, continues to stir 15-20min, is well mixed to each component, that is, be obtained.
Present invention addition nanometer diamond is dilute, makes the nanometer diamond after activation process dilute with organic matrix more efficiently
With reference to further lifting paint film strength, hardness and the performance such as corrosion-resistant on the basis of the premium properties for retaining traditional paint film；By
It is high in nanometer diamond alkene thermal conductivity, the aging of paint film can be delayed so as to good weatherability；The present invention uses appropriate
The dilute compounding with other compositions of nanometer diamond so as to good stain resistance, abrasion resistance, resistance to water, alkali resistance, resistance to artificial
Weathering aging, it is higher relative to traditional emulsion paint combination property；The raw material environmental protection that the present invention is used, storing and transporting security,
Low price；During using the present invention, easy construction, with good covering power, paint film is smooth, full color, decorative effect pole
It is good.
Description of the drawings
Fig. 1 is the relation schematic diagram of paint film stain resistance and nanometer diamond alkene content.
Fig. 2 is the relation schematic diagram of paint film abrasion resistance and nanometer diamond alkene content.
Fig. 3 is the relation schematic diagram of paint film resistance to water and nanometer diamond alkene content.
Fig. 4 is the relation schematic diagram of paint film alkali resistance and nanometer diamond alkene content.
Fig. 5 is the relation schematic diagram of paint film artificial weathering ageing resistance and nanometer diamond alkene content.
Specific embodiment
With reference to embodiment, the present invention is described in detail.
Embodiment 1
A kind of novel external wall emulsion paint containing nanometer diamond alkene, is made up of following parts by weight raw material：25 parts of deionized water, film forming
30 parts of emulsion, 26 parts of titanium dioxide, 8 parts of nanometer diamond alkene, 2 parts of wetting dispersing agent, 0.5 part of defoamer, 0.3 part of mould inhibitor is antifreeze
3 parts of agent, 3 parts of coalescents, 1.5 parts of thickener, 0.4 part of levelling agent, 0.3 part of pH adjusting agent.
Above-mentioned nanometer diamond alkene, concrete preparation method is as follows：
A. ultrasonic wave alkali cleaning：Nanometer diamond alkene is put in the supersonic wave cleaning machine equipped with alkali lye, ultrasonic frequency is 28KHz,
Concentration of lye is 10% NaOH solution, and at 50 DEG C, Stirring, mixing speed is 25rpm to alkali cleaning temperature control, cleaning
28min；
B. ultrasonic wave water washing：It is put into the nanometer diamond after alkali cleaning is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and mixing speed is 25rpm, and mixing time is 25min, takes supernatant liquor pH value determination, and repeatedly cleaning is until pH
=7；
C. acid-wash activation：By in the dilute addition pickle of the nanometer diamond after cleaning, described pickle concentration is 25% sulphur
Acid solution, pickling temperature is 50 DEG C, and Stirring, mixing speed is 20rpm, stirs 20min；
D. ultrasonic wave water washing：It is put into the nanometer diamond after pickling is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and Stirring, mixing speed is 20rpm, stir 8min, take supernatant liquor pH value determination, repeatedly cleaning until
pH=7；
E. dry：The dilute speed with 3 DEG C/min of nanometer diamond after d. ultrasonic wave water washings is progressively warmed up to into 180-200 DEG C, is protected
Cool down with furnace temperature after warm 3h, then sealed storage is stand-by；
The preparation method of the above-mentioned novel external wall emulsion paint containing nanometer diamond alkene, comprises the steps of：
1）The dispersion of color stuffing is prepared：34% of deionized water in raw material, the 50% of wetting dispersing agent is taken, is added in container, stirred
Dispersion 2min is mixed, the nanometer diamond alkene after more than addition while stirring drying under 1000rpm speed is finally put in container super
In sound wave dispersion machine, under the frequency of 30KHz 20min is disperseed, intermediate product A is obtained；
2）50% deionized water, 50% wetting dispersing agent, 50% defoamer and thickener in raw material are added to into high speed dispersion tank
It is interior, stir 5min under the speed of 100rpm so as to fully dissolving dispersion, intermediate product A is subsequently adding, 3min is stirred, finally
Titanium dioxide is added while stirring, and progressively increases stir speed (S.S.), 30min is disperseed under the rotating speed of 1200rpm, filtered, in being obtained
Between product B；
3）The preparation of auxiliary agent：By remaining 16% deionized water, 50% defoamer and thickener in raw material, antifreezing agent, mould inhibitor,
Coalescents and levelling agent are added in container, are thoroughly mixed uniform, prepared intermediate product C；
4）The preparation of emulsion paint：Filming emulsion is added in paint mixing tank, under the speed of 100rpm, is added while stirring middle
Product B, addition stirs 10min after finishing, and is then slowly added into intermediate product C, continues to stir 10min, is adjusted with pH adjusting agent
PH value continues stirring and mixes 15min to 8, is well mixed to each component, that is, be obtained.
Embodiment 2
A kind of novel external wall emulsion paint containing nanometer diamond alkene, is made up of following parts by weight raw material：10 parts of deionized water, film forming
60 parts of emulsion, 20 parts of titanium dioxide, 3 parts of nanometer diamond alkene, wetting dispersing agent 1.5,0.1 part of defoamer, 0.1 part of mould inhibitor is antifreeze
Agent 2, coalescents 2, thickener 1.1,0.1 part of flat agent, 0.1 part of PH conditioning agents.
Above-mentioned nanometer diamond alkene, concrete preparation method is as follows：
A. ultrasonic wave alkali cleaning：Nanometer diamond alkene is put in the supersonic wave cleaning machine equipped with alkali lye, ultrasonic frequency is 30KHz,
Concentration of lye is 11% NaOH solution, and at 55 DEG C, Stirring, mixing speed is 27rpm to alkali cleaning temperature, and scavenging period is controlled
In 30min；
B. ultrasonic wave water washing：It is put into the nanometer diamond after alkali cleaning is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and mixing speed is 27rpm, and mixing time is 27min, takes supernatant liquor pH value determination, and repeatedly cleaning is until pH
=7；
C. acid-wash activation：By in the dilute addition pickle of the nanometer diamond after cleaning, described pickle concentration is 27% sulphur
Acid solution, pickling temperature is controlled at 55 DEG C, and Stirring, mixing speed is 23rpm, stirs 25min；
D. ultrasonic wave water washing：It is put into the nanometer diamond after pickling is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and Stirring, mixing speed is 20rpm, stir 8min, take supernatant liquor pH value determination, repeatedly cleaning until
pH=7；
E. dry：The dilute speed with 3 DEG C/min of nanometer diamond after d. ultrasonic wave water washings is progressively warmed up to into 180-200 DEG C, is protected
Cool down with furnace temperature after warm 3h, then sealed storage is stand-by.
The preparation method of the above-mentioned novel external wall emulsion paint containing nanometer diamond alkene, comprises the steps of：
1）The dispersion of color stuffing is prepared：34% of deionized water in raw material, the 50% of wetting dispersing agent is taken, is added in container, stirred
Dispersion 2min is mixed, the nanometer diamond alkene after more than addition while stirring drying under 1000rpm speed is finally put in container super
In sound wave dispersion machine, under the frequency of 30KHz 20min is disperseed, intermediate product A is obtained；
2）50% deionized water, 50% wetting dispersing agent, 50% defoamer and thickener in raw material are added to into high speed dispersion tank
It is interior, stir 5min under the speed of 100rpm so as to fully dissolving dispersion, intermediate product A is subsequently adding, 3min is stirred, finally
Titanium dioxide is added while stirring, and progressively increases stir speed (S.S.), 30min is disperseed under the rotating speed of 1200rpm, filtered, in being obtained
Between product B；
3）The preparation of auxiliary agent：By remaining 16% deionized water, 50% defoamer and thickener in raw material, antifreezing agent, mould inhibitor,
Coalescents and levelling agent are added in container, are thoroughly mixed uniform, prepared intermediate product C；
4）The preparation of emulsion paint：Filming emulsion is added in paint mixing tank, under the speed of 100rpm, is added while stirring middle
Product B, addition stirs 10min after finishing, and is then slowly added into intermediate product C, continues to stir 10min, is adjusted with pH adjusting agent
PH value continues stirring and mixes 15min to 8, is well mixed to each component, that is, be obtained.
Embodiment 2
A kind of novel external wall emulsion paint containing nanometer diamond alkene, is made up of following parts by weight raw material：10 parts of deionized water, film forming
60 parts of emulsion, 20 parts of titanium dioxide, 3 parts of nanometer diamond alkene, wetting dispersing agent 1.5,0.1 part of defoamer, 0.1 part of mould inhibitor is antifreeze
Agent 2, coalescents 2, thickener 1.1,0.1 part of flat agent, 0.1 part of PH conditioning agents.
Above-mentioned nanometer diamond alkene, concrete preparation method is as follows：
A. ultrasonic wave alkali cleaning：Nanometer diamond alkene is put in the supersonic wave cleaning machine equipped with alkali lye, ultrasonic frequency is 30KHz,
Concentration of lye is 11% NaOH solution, and at 55 DEG C, Stirring, mixing speed is 27rpm to alkali cleaning temperature, and scavenging period is controlled
In 30min；
B. ultrasonic wave water washing：It is put into the nanometer diamond after alkali cleaning is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and mixing speed is 27rpm, and mixing time is 27min, takes supernatant liquor pH value determination, and repeatedly cleaning is until pH
=7；
C. acid-wash activation：By in the dilute addition pickle of the nanometer diamond after cleaning, described pickle concentration is 27% sulphur
Acid solution, pickling temperature is controlled at 55 DEG C, and Stirring, mixing speed is 23rpm, stirs 25min；
D. ultrasonic wave water washing：It is put into the nanometer diamond after pickling is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 37KHz, and Stirring, mixing speed is 22rpm, stir 9min, take supernatant liquor pH value determination, repeatedly cleaning until
pH=7；
E. dry：The dilute speed with 3 DEG C/min of nanometer diamond after d. ultrasonic wave water washings is progressively warmed up to into 190 DEG C, 3h is incubated
Cool down with furnace temperature afterwards, then sealed storage is stand-by.
The preparation method of the above-mentioned novel external wall emulsion paint containing nanometer diamond alkene, comprises the steps of：
1）The dispersion of color stuffing is prepared：34% of deionized water in raw material, the 50% of wetting dispersing agent is taken, is added in container, stirred
Dispersion 2.5min is mixed, the nanometer diamond alkene after more than addition while stirring drying under 1500rpm speed is finally put in container
In ultrasonic dispersing machine, under the frequency of 30KHz 25min is disperseed, intermediate product A is obtained；
2）50% deionized water, 50% wetting dispersing agent, 50% defoamer and thickener in raw material are added to into high speed dispersion tank
It is interior, stir 7min under the speed of 150rpm so as to fully dissolving dispersion, intermediate product A is subsequently adding, 4min is stirred, finally
Titanium dioxide is added while stirring, and progressively increases stir speed (S.S.), 35min is disperseed under the rotating speed of 1350rpm, filtered, in being obtained
Between product B；
3）The preparation of auxiliary agent：By remaining 16% deionized water, 50% defoamer and thickener in raw material, antifreezing agent, mould inhibitor,
Coalescents and levelling agent are added in container, are thoroughly mixed uniform, prepared intermediate product C；
4）The preparation of emulsion paint：Filming emulsion is added in paint mixing tank, under the speed of 150rpm, is added while stirring middle
Product B, addition stirs 12min after finishing, and is then slowly added into intermediate product C, continues to stir 10min, is adjusted with pH adjusting agent
PH value continues stirring and mixes 17min to 8.5, is well mixed to each component, that is, be obtained.
Embodiment 3
A kind of novel external wall emulsion paint containing nanometer diamond alkene, is made up of following parts by weight raw material：20 parts of deionized water, film forming
40 parts of emulsion, 30 parts of titanium dioxide, 5.3 parts of nanometer diamond alkene, 0.5 part of wetting dispersing agent, 0.3 part of defoamer, 1 part of mould inhibitor is prevented
Freeze 1 part of agent, 1 part of coalescents, 0.5 part of thickener, 0.2 part of levelling agent, 0.2 part of pH adjusting agent.
Above-mentioned nanometer diamond alkene is obtained by following methods：
A. ultrasonic wave alkali cleaning：Nanometer diamond alkene is put in the supersonic wave cleaning machine equipped with alkali lye, ultrasonic frequency is 32KHz,
Concentration of lye is 12% NaOH solution, and alkali liquid temperature is 60 DEG C, and Stirring, mixing speed is 30rpm, cleans 32min；
B. ultrasonic wave water washing：It is put into the nanometer diamond after alkali cleaning is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and mixing speed is 30rpm, and mixing time is 30min, takes supernatant liquor pH value determination, and repeatedly cleaning is until pH
=7；
C. acid-wash activation：By in the dilute addition pickle of the nanometer diamond after cleaning, described pickle concentration is 30% sulphur
Acid solution, pickling temperature is 60 DEG C, and Stirring, mixing speed is 25rpm, stirs 30min；
D. ultrasonic wave water washing：It is put into the nanometer diamond after pickling is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 45KHz, and Stirring, mixing speed is 25rpm, stirs 10min, takes supernatant liquor pH value determination, cleans straight repeatedly
To pH=7.
E. dry：The dilute speed with 3 DEG C/min of nanometer diamond after d. ultrasonic wave water washings is progressively warmed up to into 200 DEG C, is protected
Cool down with furnace temperature after warm 3h, then sealed storage is stand-by.
The preparation method of the described novel external wall emulsion paint containing nanometer diamond alkene, comprises the steps of：
1）The dispersion of color stuffing is prepared：34% of deionized water in raw material, the 50% of wetting dispersing agent is taken, is added in container, stirred
Dispersion 3min is mixed, nanometer diamond alkene is added while stirring under 1250rpm speed, finally container ultrasonic dispersing machine is put into into
In, disperse 30min under the frequency of 30KHz, intermediate product A is obtained；
2）50% deionized water, 50% wetting dispersing agent, 50% defoamer and thickener in raw material are added to into high speed dispersion tank
It is interior, stir 10min under the speed of 200rpm so as to fully dissolving dispersion, intermediate product A is subsequently adding, 5min is stirred, finally
Titanium dioxide is added while stirring, and progressively increases stir speed (S.S.), 40min is disperseed under the rotating speed of 1500rpm, filtered, in being obtained
Between product B；
3）The preparation of auxiliary agent：By remaining 16% deionized water, 50% defoamer and thickener in raw material, antifreezing agent, mould inhibitor,
Coalescents and levelling agent are added in container, are thoroughly mixed uniform, prepared intermediate product C；
4）The preparation of emulsion paint：Filming emulsion is added in paint mixing tank, under the speed of 200rpm, is added while stirring middle
Product B, addition stirs 10-15min after finishing, and is then slowly added into intermediate product C, continues to stir 10min, is adjusted with pH adjusting agent
Section pH value continues stirring and mixes 20min to 9, is well mixed to each component, that is, be obtained.
Test example 1：
The present invention makes following consumption test for nanometer diamond is dilute, using the raw material of following parts by weight：50 parts of filming emulsion,
23 parts of titanium dioxide, 1 part of wetting dispersing agent, 0.3 part of defoamer, 0.2 part of mould inhibitor, 2 parts of antifreezing agent, 2 parts of coalescents, pH is adjusted
0.2 part of agent, 1 part of thickener, 0.3 part of levelling agent, nanometer diamond alkene is variable 0-10 parts, is made remaining as deionized water；Use
The novel external wall emulsion paint of nanometer diamond alkene obtained in the method for the present invention.
During different amounts dilute to nanometer diamond, stain resistant respectively to emulsion paint, abrasion resistance, resistance to water, alkali resistance,
Artificial weathering ageing resistance makes tests below：
As shown in figure 1, tested according to GB/T9780-2013, emulsion paint when detecting the dilute content of different nanometer diamonds respectively
Stain resistant, understands that the decline rate of reflectance of exterior coating coating is bigger, then stain resistant is poorer through test, and
The dilute consumption of nanometer diamond relative stain resistant in 3-8 parts is most strong.
As shown in Fig. 2 carrying out according to the regulation of GB/T9755-2014 appendix Cs, different nanometer diamond alkene contents are detected respectively
When emulsion paint abrasion resistance, through test understand, the dilute addition of nanometer diamond is in 3-8 parts, and the number of times of resistance to scrub is higher,
Brushing resistance is strong.
As shown in figure 3, carrying out according to first law regulation in GB/T1733-1993, different nanometer diamond alkene contents are detected respectively
When emulsion paint resistance to water, through test understand, the dilute addition of nanometer diamond is in 3-8 parts, and the resistance to water time is most long, water-fast
Property is strong.
As shown in figure 4, carrying out according to the regulation by GB/T9265, emulsion paint when detecting different nanometer diamond alkene contents respectively
Alkali resistance, through test understand, in 3-8 parts, the alkali resistance time is longer, and alkali resistance is stronger for the dilute addition of nanometer diamond.
As shown in figure 5, carrying out by the regulation of circulation A in GB/T1865-2009, different nanometer diamond alkene contents are detected respectively
When emulsion paint artificial weathering ageing resistance, through test understand, the dilute addition of nanometer diamond in 3-8 parts, resistance to artificial gas
The time aging time is long, and its artificial weathering ageing resistance is strong.
From the foregoing, it will be observed that addition activation after nanometer diamond it is dilute can be substantially effectively combined with organic, improve paint
Film strength, hardness and the resistance to performance such as corrosion-resistant, when the dilute addition of nanometer diamond is 3-8 parts, its stain resistant, washability
Property, resistance to water, alkali resistance, the combination property such as artificial weathering ageing resistance it is very strong, but the nanometer diamond that adds it is dilute excessive when,
Pigment volume concentration (PVC) can be exceeded（PVC）The limit, then organic polymer matrix would not fill up the sky that pigment and filler particles are piled up
Between, hole is occurred in paint film, these holes can seriously reduce the mechanical performance of paint film, while there is absorption well to dust
Property, paint film is constantly easily dirty, and is not easy to clean.
Test example 2：
A kind of breast of the novel external wall containing nanometer diamond alkene made using formula in embodiments of the invention 3 and preparation method thereof
Shellac varnish, according to GB/T9755-2014《Exterior wall coating material of synthetic resin emulsion》In 4.3 detected with regard to the requirement of finish paint, tie
It is really as shown in table 1 below：The performance test results of the emulsion paint of the present invention of table 1
| Project | High-class product index | This product testing result |
| Condition in container | It is in uniform state without lump, after stirring | It is in uniform state without lump, after stirring |
| Application property | Brush two roads accessible | Brush two roads accessible |
| Low-temperature stability | Never degenerate | Never degenerate |
| Appearance of film | Normally | Normally |
| Drying time（Surface drying）/h | ≤2 | ≤2 |
| Contrast ratio（White and light color） | ≥0.93 | 0.95 |
| Stain resistance（White and light color）/% | ≤15 | 8 |
| Abrasion resistance/time | 2000 | 10000 |
| Alkali resistance/h | 48 | 85 |
| Resistance to water/h | 96 | 165 |
| Coating temperature-change resistance（3 circulations） | It is without exception | It is without exception |
| Water penetration/ml | 0.6 | 0.5 |
| Artificial weathering ageing resistance/h | 600 | 1400 |
| Efflorescence/level | 1 | 1 |
| Discoloration（White and light color）/ level | 2 | 2 |
As shown above, key property of the invention is all higher than national requirements, in abrasion resistance, alkali resistance, resistance to water, ageing-resistant
Property is all much higher than existing emulsion paint, and excellent quality has good quality.
Claims (9)
1. a kind of novel external wall emulsion paint containing nanometer diamond alkene, it is characterised in that be made up of the raw material of following parts by weight：Go
Ionized water 10-25 parts, filming emulsion 30-60 parts, titanium dioxide 20-30 parts, nanometer diamond alkene 3-8 parts, wetting dispersing agent 0.5-2
Part, defoamer 0.1-0.5 parts, mould inhibitor 0.1-1 parts, antifreezing agent 1-3 parts, coalescents 1-3 parts, thickener 0.5-1.5 parts, stream
Flat agent 0.1-0.4 parts, pH conditioning agent 0.1-0.3 parts.
2. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 1, it is characterised in that described nanometer is bored
Stone alkene is obtained by following methods：
A. ultrasonic wave alkali cleaning：Nanometer diamond alkene is put in the supersonic wave cleaning machine equipped with alkali lye, ultrasonic frequency is 28-
32KHz, concentration of lye is the NaOH solution of 10%-12%, and alkali cleaning temperature is 50-60 DEG C, and Stirring, mixing speed is 25-
30rpm, cleans 28-32min；
B. ultrasonic wave water washing：It is put into the nanometer diamond after alkali cleaning is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30KHz, and mixing speed is 25-30rpm, and mixing time is 25-30min, takes supernatant liquor pH value determination, is cleaned repeatedly
Until pH=7；
C. acid-wash activation：By in the dilute addition pickle of the nanometer diamond after cleaning, described pickle concentration is 25%-30%
Sulfuric acid solution, pickling temperature be 50-60 DEG C, Stirring, mixing speed is 20-25rpm, stir 20-30min；
D. ultrasonic wave water washing：It is put into the nanometer diamond after pickling is dilute in the supersonic wave cleaning machine equipped with deionized water, ultrasonic wave
Frequency is 30-45KHz, and Stirring, mixing speed is 20-25rpm, stirs 8-10min, takes supernatant liquor pH value determination, instead
Multiple cleaning is until pH=7；
E. dry：The dilute speed with 3 DEG C/min of nanometer diamond after d. ultrasonic wave water washings is progressively warmed up to into 180-200 DEG C, is protected
Cool down with furnace temperature after warm 3h, then sealed storage is stand-by.
3. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 2, it is characterised in that described nanometer is bored
Stone alkene grain size proportion is 50nm ︰ 100nm ︰ 250nm=(1-2) ︰ (2-3) ︰ (4-5).
4. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 1, it is characterised in that described film forming breast
Liquid presses 1 by silicone acrylic emulsion and styrene-acrylic emulsion:1 proportioning is mixed.
5. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 1, it is characterised in that described titanium dioxide
For rutile type titanium white.
6. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 1, it is characterised in that described wetting point
Powder is calgon；Described defoamer is water-soluble silicon oils defoamer.
7. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 1, it is characterised in that described mould inhibitor
1 is pressed by benzimidazole mould inhibitor and isoxazole class mould inhibitor:1 is mixed；Described antifreezing agent is propane diols.
8. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 1, it is characterised in that described film forming is helped
Agent is lauryl alcohol ester；Described thickener is by alkali swelling type thickener and polyurethane-type thickener according to 1:1 ratio is mixed.
9. the novel external wall emulsion paint containing nanometer diamond alkene according to claim 1, it is characterised in that described levelling agent
By the third 10. according to the preparation method of the arbitrary described novel external wall emulsion paint containing nanometer diamond alkene of claim 1-9, its feature
It is to comprise the steps of：
1）The dispersion of color stuffing is prepared：34% of deionized water in raw material, the 50% of wetting dispersing agent is taken, is added in container, stirred
Dispersion 2-3min is mixed, nanometer diamond alkene is added while stirring under 1000-1500rpm speed, finally container ultrasonic wave is put into into
In dispersion machine, under the frequency of 30KHz 20-30min is disperseed, intermediate product A is obtained；
2）50% deionized water, 50% wetting dispersing agent, 50% defoamer and thickener in raw material are added to into dispersion at a high speed
In tank, under the speed of 100-200rpm 5-10min is stirred so as to fully dissolving dispersion, be subsequently adding intermediate product A, stirred
3-5min, finally adds while stirring titanium dioxide, and progressively increases stir speed (S.S.), disperses under the rotating speed of 1200-1500rpm
30-40min, filters, and intermediate product B is obtained；
3）The preparation of auxiliary agent：By remaining 16% deionized water, 50% defoamer and thickener in raw material, antifreezing agent, mould inhibitor,
Coalescents and levelling agent are added in container, are thoroughly mixed uniform, prepared intermediate product C；
4）The preparation of emulsion paint：Filming emulsion is added in paint mixing tank, under the speed of 100-200rpm, is added while stirring
Intermediate product B, addition stirs 10-15min after finishing, and is then slowly added into intermediate product C, continues to stir 10min, is adjusted with pH
Agent adjusts pH value to 8-9, continues stirring and mixes 15-20min, is well mixed to each component, that is, be obtained.
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| CN201611035973.4A CN106634332A (en) | 2016-11-23 | 2016-11-23 | Novel exterior wall latex paint containing nano diamond alkene and preparation method of novel exterior wall latex paint |
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Cited By (1)
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| CN112285331A (en) * | 2020-10-13 | 2021-01-29 | 扬州工业职业技术学院 | Method for rapidly evaluating performance of inelastic flat-coated exterior wall paint |
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