CN101469176A - Semitransparent red coffee calcined umber superfine aqueous color sizing dispersion and preparation thereof - Google Patents
Semitransparent red coffee calcined umber superfine aqueous color sizing dispersion and preparation thereof Download PDFInfo
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- CN101469176A CN101469176A CNA2007103008857A CN200710300885A CN101469176A CN 101469176 A CN101469176 A CN 101469176A CN A2007103008857 A CNA2007103008857 A CN A2007103008857A CN 200710300885 A CN200710300885 A CN 200710300885A CN 101469176 A CN101469176 A CN 101469176A
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- dispersion
- aqueous color
- red coffee
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- color sizing
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Abstract
The invention discloses a translucent red coffee burnt umber super-fine waterborne color paste dispersoid and a preparation method thereof. The preparation method comprises: evenly mixing deionized water, a dissolving assisting humectant, a preservative, a foam suppressor, a pigment surface conditioning agent and a moistening dispersant by specified weight percentage, slowly adding translucent red coffee burnt umber powder pigment for high-speed dispersion, adding an anti-settling and thickening agent under the condition of high-speed stirring and forming an even slurry dispersoid; inputting the slurry dispersoid into a bead mill by a pump, grinding and dispersing the slurry dispersoid for two to five times, and stopping grinding until the fineness of the slurry dispersoid is less than 2 mu m; and adding a thick paste foam killer to the ground slurry dispersoid, adjusting the viscosity to be between 70 and 85KU, and obtaining the translucent red coffee burnt umber super-fine waterborne color paste dispersoid. Besides good performance, the translucent red coffee burnt umber super-fine waterborne color paste dispersoid meets requirements of individual colors, has the characteristics of physiological inertia, small environment pollution (volatility VOC is less than or equal to 50g/L and no APE), easily controllable quality, convenient production and so on.
Description
Technical field
The present invention relates to the semitransparent red coffee calcined umber superfine aqueous color sizing dispersion of environmental protection of a kind of low VOC that is used for the aqueous wooden ware paint toning (refer to steam below b.p.250 ℃ organic compound), no APE (alkylphenol).
The invention still further relates to the preparation method of the semitransparent red coffee calcined umber superfine aqueous color sizing dispersion of a kind of environmental protection.
Background technology
Wood lacquer almost was a solvent based coating in the past, and the VOC that volatilizees in a large number does great damage to environment, and along with continuous advancement in technology, the aqueous woodware paint technology is gradually improved, and a kind of translucent peace crust aqueous color paste of the usefulness of mixing colours arises at the historic moment.
When woodwork coating, particularly American application, peace crust powder is indispensable raw material, normally will forge peace crust toner and make wood grain wiping look and Lacquer finish colouring matter (Graintone Wiping Stain And Glaze Tints), is commonly referred to as Ge Lisi (Glaze) at home.Pacifying the crust powder and gain the name with the place of production, peace crust (Umber) He Shengna different varietiess such as (Sienna) is arranged, is refining from natural mineral and product that get.Semitransparent red coffee look as translucent peace crust aqueous color paste series is forged peace crust aqueous color paste, has good weathering resistance, ultraviolet-absorbing, translucency and high tinting strength; Has good chemical stability, good alkaline-resisting/acid resistance, good temperature tolerance; Forge peace crust aqueous color paste as the semitransparent red coffee look of mineral dye, also have ne-leakage, do not have migrating property and characteristics such as insoluble.
Ultraviolet ray is to destroy xyloid arch-criminal, and semitransparent red coffee look forge peace crust aqueous color paste can the strong absorption ultraviolet radiation, thereby protect wooden; Can make the wooden good coloring effect that plays, color is soft, can make wooden maintenance native texture again.Semitransparent red coffee look is forged peace crust aqueous color paste and is mixed with organic transparent pigment and dyestuff when using, can not only enrich the color of pigment, improve chroma, and problem such as the weathering resistance that exists can improve organic transparent pigment of independent use and dyestuff significantly time the, temperature tolerance difference, thereby semitransparent red coffee look is forged peace crust aqueous color paste and is had broad application prospects at aspects such as wooden furniture paint tonings.
Because translucent to forge peace crust powder careful little, specific surface area is big, higher oil number; Produce powerful interface strength between particle, the ratio of particle tightly bonding very difficult dispersion, particularly water-based system pigment is great, and the tendency of sinking in the water-based deadweight is big; And to the environmental requirement height of pigment dispersions, low VOC volatilization, thereby, when the semitransparent red coffee look of preparation is forged peace crust aqueous color paste, very crucial to the selection of auxiliary agents such as wetting dispersing agent, dispersing apparatus and technology.
Summary of the invention
The objective of the invention is in order to overcome technical problem recited above, a kind of both had good tinting strength and translucency are provided, has good chemical stability again, advantages such as good alkaline-resisting/acid resistance, photostabilization, weathering resistance, ultraviolet attractability, thermotolerance, resistance to migration, and the semitransparent red coffee calcined umber superfine aqueous color sizing dispersion of the environment-friendly type that preparation cost is low, the present invention also provides the preparation method of this semitransparent red coffee calcined umber superfine aqueous color sizing dispersion simultaneously.
In order to solve technical problem recited above, the present invention takes following technical scheme:
The invention provides a kind of semitransparent red coffee calcined umber superfine aqueous color sizing dispersion, comprise following component and weight percent thereof and be:
Deionized water 25～30%;
Hydrotropy wetting Agent for Printing Inks 5～10%;
Sanitas 0.1～0.5%;
Press down bubble defoamer 0.1～0.5%;
Surface of pigments treatment agent 0.5～1.5%;
Wetting dispersing agent 20～30%;
Semitransparent red coffee look is forged peace crust powder pigment 35～40%;
Anti-heavy thickening material 0.1～0.5%;
Thick-slurry type defoamer 0.2～0.5%.
Wherein, described hydrotropy wetting Agent for Printing Inks is meant greater than the b.p.250 ℃ of organic compound molten with water, is generally Macrogol 200, Liquid Macrogol or poly(oxyethylene glycol) 400.
Described surface of pigments treatment agent is silane coupling agent, boric acid ester coupler or titanate coupling agent.
Described wetting dispersing agent is not for containing APE, have high-molecular block copolymer or its aqueous solution of pigment affinity groups, as has pigment affinity groups acrylic block copolymers, has pigment affinity groups Zelan 338 or PDMAEA-PEO segmented copolymer.
Described anti-heavy thickening material is gas phase SiO
2Or organic bentonite.
Described thick-slurry type defoamer is the polyether modified silicane defoamer.
Other subsidiary material should be chosen the auxiliary agent that does not contain APE, low VOC.
The present invention also provides a kind of preparation method of semitransparent red coffee calcined umber superfine aqueous color sizing dispersion as described above, may further comprise the steps: elder generation is the deionized water of weight percent in accordance with regulations, the hydrotropy wetting Agent for Printing Inks, sanitas, press down the bubble defoamer, behind surface of pigments treatment agent and the wetting dispersing agent mixing, slowly add semitransparent red coffee look and forge peace crust powder pigment, carry out high speed dispersion with rotating speed 1000-4000rpm, under high-speed stirring, add anti-heavy thickening material, form the uniform sizing material dispersion, with pump the slurry dispersion is input in the ball mill to grind and disperses 2～5 times, after slurry dispersion fineness is less than 2 μ m, stop to grind, add the thick-slurry type defoamer in the slurry dispersion after grinding, regulate range of viscosities at 70～85KU, obtain semitransparent red coffee calcined umber superfine aqueous color sizing dispersion.
The method for testing performance of aqueous color paste of the present invention:
(1) the package stability testing method of superfine aqueous color sizing: sample places in the constant temperature oven (temperature is controlled at 50 ± 2 ℃) to place 30 days, or normal temperature left standstill 90 days, observes flocculation, throw out whether to occur or divide water etc., as does not have above-mentioned phenomenon and be chosen as outstanding.
(2) the superfine aqueous color sizing median size adopts Thermo, the test of Microtrac S3500 laser particle analyzer.
(3) superfine aqueous color sizing volatile organic matter (VOC) is tested according to GB 18582-2007.
(4) the superfine aqueous color sizing ultraviolet absorption ability adopts the UV-Vis Hitach UV-340 of Hitachi UV, visible light spectrophotometric self-registering instrument to measure.
The high performance semitransparent red coffee calcined umber superfine aqueous color sizing dispersion that the present invention uses as a kind of aqueous wooden ware paint toning, except having anti-good chemical stability, outside the advantages such as good alkaline-resisting/acid resistance, photostabilization, weathering resistance, ultraviolet-absorbing, thermotolerance, resistance to migration, satisfying personalized color demand, also has the physiology inertia, environmental pollution little (volatility VOC≤50g/L, no APE), characteristics such as quality is easy to control, and is convenient for production.
Embodiment
The present invention is further illustrated below by embodiment:
Embodiment 1:
Component content (weight) place of production
Deionized water 28.2%
Macrogol 200 6% DOW
Triazines nitrogen-containing heterocycle compound sanitas 0.2% Cognis
Nonionic presses down bubble defoamer 0.2% Cognis
Have pigment affinity groups acrylic block copolymers 23.5% Degussa
Titanate coupling agent CT-115A 1.5% sharp evolution worker
Semitransparent red coffee look is forged peace crust powder pigment 40% Rockwood
Gas phase SiO
20.2% Ji must the time
Thick-slurry type defoamer Foamex 810 0.2% Tego
Prepare semitransparent red coffee calcined umber superfine aqueous color sizing dispersion as follows: after at first the first six being planted the component mixing, slowly add semitransparent red coffee look and forge peace crust powder pigment, high speed dispersion is even after adding; Be to add anti-heavy thickening material gas phase SiO under the high-speed stirring of 1000-4000rpm at rotating speed
2, form the uniform sizing material dispersion, with pump the slurry dispersion is input to grind in the ball mill and disperses 2～3 times, after slurry dispersion fineness is less than 2 μ m, stop to grind; Add the thick-slurry type defoamer in the slurry dispersion after grinding, (25 ℃, stormer viscosity 70～85KU) makes semitransparent red coffee calcined umber superfine aqueous color sizing dispersion of the present invention to the viscosity that furnishing is suitable.
Embodiment 2:
Component content (weight) place of production
Deionized water 27.7%
Liquid Macrogol 5% DOW
Triazines nitrogen-containing heterocycle compound sanitas 0.2% Cognis
Nonionic presses down bubble defoamer 0.2% Cognis
Have pigment affinity groups Zelan 338 25% BYK
Titanate coupling agent CT-115A 1.5% sharp evolution worker
Semitransparent red coffee look is forged peace crust powder pigment 40% refreshing light
Gas phase SiO
20.2% Ji must the time
Thick-slurry type defoamer Foamex 810 0.2% Tego
The preparation method of semitransparent red coffee calcined umber superfine aqueous color sizing dispersion is with reference to embodiment 1.
Embodiment 3:
Component content (weight) place of production
Deionized water 30%
Macrogol 200 6% DOW
Triazines nitrogen-containing heterocycle compound sanitas 0.2% Cognis
Nonionic presses down bubble defoamer 0.3% Cognis
The 22% extra large river industry of PDMAEA-PEO segmented copolymer
Titanate coupling agent CT-115A 1% sharp evolution worker
Semitransparent red coffee look is forged peace crust powder pigment 40% Rockwood
Gas phase SiO
20.2% Ji must the time
Thick-slurry type defoamer Foamex 810 0.3% Tego
The preparation method of semitransparent red coffee calcined umber superfine aqueous color sizing dispersion is with reference to embodiment 1.
The semitransparent red coffee calcined umber superfine aqueous color sizing dispersion that makes by above-mentioned three embodiment shows good performance, sees the following form:
Semitransparent red coffee look is forged the performance table of peace crust aqueous color sizing dispersion
| Sample | Median size (μ m) | VOC (g/L) | Ultraviolet absorption ability | Package stability (storing 30 days for 50 ± 2 ℃) |
| Embodiment 1 | <1 | 21.6 | 92.6 | Excellent |
| Embodiment 2 | <1 | 32.8 | 90.5 | Excellent |
| Embodiment 3 | <2 | 28.2 | 88.2 | Excellent |
Although the present invention has done to describe in detail and quoted embodiment as proof, for those of ordinary skill in the art, obviously various schemes, modification and the change that can make according to above-mentioned explanation all should be included within the scope of claim.
Claims (8)
1, a kind of semitransparent red coffee calcined umber superfine aqueous color sizing dispersion is characterized in that: comprising following component and weight percent thereof is:
Deionized water 25～30%;
Hydrotropy wetting Agent for Printing Inks 5～10%;
Sanitas 0.1～0.5%;
Press down bubble defoamer 0.1～0.5%;
Wetting dispersing agent 20～30%;
Surface of pigments treatment agent 0.5～1.5%;
Semitransparent red coffee look is forged peace crust powder pigment 35～40%;
Anti-heavy thickening material 0.1～0.5%;
Thick-slurry type defoamer 0.2～0.5%.
2, aqueous color sizing dispersion as claimed in claim 1 is characterized in that: described hydrotropy wetting Agent for Printing Inks is Macrogol 200, Liquid Macrogol or poly(oxyethylene glycol) 400.
3, aqueous color sizing dispersion as claimed in claim 1 is characterized in that: described wetting dispersing agent is high-molecular block copolymer or its aqueous solution that does not contain APE, has the pigment affinity groups.
4, aqueous color sizing dispersion as claimed in claim 1 is characterized in that: described surface of pigments treatment agent is silane coupling agent, boric acid ester coupler or titanate coupling agent.
5, aqueous color sizing dispersion as claimed in claim 1 is characterized in that: described anti-heavy thickening material is gas phase SiO
2Or organic bentonite.
6, aqueous color sizing dispersion as claimed in claim 1 is characterized in that: described thick-slurry type defoamer is the polyether modified silicane defoamer.
7, a kind of preparation method as the arbitrary described semitransparent red coffee calcined umber superfine aqueous color sizing dispersion of claim 1-6, it is characterized in that: may further comprise the steps: elder generation is the deionized water of weight percent in accordance with regulations, the hydrotropy wetting Agent for Printing Inks, sanitas, press down the bubble defoamer, behind surface of pigments treatment agent and the wetting dispersing agent mixing, slowly add semitransparent red coffee look and forge peace crust powder pigment, carry out high speed dispersion with rotating speed 1000-4000rpm, under high-speed stirring, add anti-heavy thickening material, form the uniform sizing material dispersion, with pump the slurry dispersion is input in the ball mill to grind and disperses 2～5 times, after slurry dispersion fineness is less than 2 μ m, stop to grind, add the thick-slurry type defoamer in the slurry dispersion after grinding, regulate range of viscosities at 70～85KU, obtain semitransparent red coffee calcined umber superfine aqueous color sizing dispersion.
8, preparation method as claimed in claim 7 is characterized in that: the rotating speed of described high-speed stirring is 1000-4000rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103008857A CN101469176A (en) | 2007-12-24 | 2007-12-24 | Semitransparent red coffee calcined umber superfine aqueous color sizing dispersion and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103008857A CN101469176A (en) | 2007-12-24 | 2007-12-24 | Semitransparent red coffee calcined umber superfine aqueous color sizing dispersion and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101469176A true CN101469176A (en) | 2009-07-01 |
Family
ID=40826988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103008857A Pending CN101469176A (en) | 2007-12-24 | 2007-12-24 | Semitransparent red coffee calcined umber superfine aqueous color sizing dispersion and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101469176A (en) |
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2007
- 2007-12-24 CN CNA2007103008857A patent/CN101469176A/en active Pending
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Open date: 20090701 |