CN1187514A - Dispersion paints - Google Patents
Dispersion paints Download PDFInfo
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- CN1187514A CN1187514A CN97120846A CN97120846A CN1187514A CN 1187514 A CN1187514 A CN 1187514A CN 97120846 A CN97120846 A CN 97120846A CN 97120846 A CN97120846 A CN 97120846A CN 1187514 A CN1187514 A CN 1187514A
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Abstract
Dispersion paints, except other components, also contain zeolite X.
Description
The present invention relates to dispersion paints.
According to DIN 55945, dispersion paints or plastics dispersion paints are a kind of coated materials of being made by plastic dispersion liquid and pigment.
Content of the present invention is a kind of dispersion paints, it is characterized in that, it also comprises X zeolite except that other component.
By known method and mode X zeolite is added in the dispersion paints.
By the zeolite molecular sieve (Zeolite Molecular Sieves) of Donald W.Breck, structural chemistry and purposes (Structure Chemistry and use), the 176th known zeolites X of John Wiley press (1974).
Dispersion paints can be made up of different polymkeric substance.
By selecting monomer, inside or outside ramollescence, preparation condition and emulsifying agent and/or protective colloid to determine its salient features, for example viscosity, minimum film-forming temperature, saponification stability and weather stability, package stability, granular size and pigment cohesiveness.
Most important plastic dispersion liquid is made up of the polymkeric substance of vinyl-acetic ester, propionate, vinylbenzene and acrylate.
The polyvinyl acetate that adopts outside ramollescence can be for example with the copolymerization product of vinyl acetate, maleic acid ester, fumarate, acrylate or ethene and with the binary polymerization product of ethene and vinylchlorid.The various performances of polyvinyl acetate dispersion liquid are all good.The binary polymerization product has high pigment bonding force.
Polyvinyl proprionate can be a unusual remollescent homopolymer in itself.The copolymerization product mainly prepares with acrylate.The most outstanding performance is high weathering resistance and anti-saponifiability.
The vinylbenzene great majority are to adopt internal softening.Copolymerization product commonly used with acrylate or---on the meaning of gradually losing---based on divinyl.Especially, described vinylformic acid styrene esters is popular, and is formed in the maximum one class plastic dispersion liquid that use the Germany.Its major part is finely divided and has high pigment bonding force.
Polyacrylic ester for example carries out copolymerization with methacrylic acid as so-called pure acrylic acid ester.Use them, particularly under lower PVK, prepare shinny dispersion lacquer.
Dispersion paints of the present invention can comprise following pigment and filler except that X zeolite:
Filler
Lime carbonate is (natural; Precipitation)
Talcum
Kaolin
Mica
Barium sulfate (natural, precipitation)
Calcium magnesium silicate
Pigment
Titanium dioxide
Zine sulfide pigment, for example lithopone
Colored pigment (inorganic, organically)
Obtain following advantage according to the present invention by the use X zeolite:
For example porcelain scholar, kaolin and lime carbonate can improve covering power to replace mineral filler by part.This improvement can not damage for example viscosity, shearing resistance and tearing tendency of enamelled coating technical feature (formulation Example 1～7).
In total prescription, the usage quantity of X zeolite can be 2～15%, preferred 3～10%.
Except substituting the filler, can also substitute part titanium dioxide with X zeolite, and can not diminish covering power (formulation Example 8 and 9) with X zeolite.
When replacement of titanium dioxide, can obtain tangible coml advantage.
Embodiment
In order to prepare dispersion paints, except that plastic dispersion liquid, pigment and filler, other component is necessary as water, thickening material, wetting agent, defoamer, sterilant and membrane-forming agent.
In table 1～6, be given in formulation Example and the corresponding test-results of using the dispersion paints that is used for indoor and outdoors paint under the Wessalith XD (X zeolite).
| ????1 | ????2 | |
| Water | ????12,1 | ????12,1 |
| ????Tylose?MH?2000K，2％ | ????15,0 | ????15,0 |
| Pigment dispersing agent A | ????0,2 | ????0,2 |
| ????Calgon?N，10％ | ????1,0 | ????1,0 |
| ????Agitan?280 | ????0,2 | ????0,2 |
| ????Mergal?K6N | ????0,3 | ????0,3 |
| Butyl Diethylene Glycol acetic ester | ????2,0 | ????2,0 |
| Ammonia | ????0,2 | ????0,2 |
| ????Wessalith?XD | ????5,0 | ????- |
| ????Zeolex?323 | ????- | ????5,0 |
| Titanium dioxide 2056 | ????15,0 | ????15,0 |
| Kaolin | ????6,0 | ????6,0 |
| The EWO powder | ????10,0 | ????10,0 |
| Talcum AT extra | ????5,0 | ????5,0 |
| ????MoWilith?DM?22 | ????28,0 | ????28,0 |
| ????100,0 | ????100,0 |
Wessalith XD is pulverous Na-X-zeolite, and its experience molecular formula is
Na
86(AlO
2)
86(SiO
2)
106264H
2O。
According to this molecular formula, crystal water content adds up to 26%.From its summit alternately is SiO
2And AlO
4-tetrahedral cuboctahedron sets out, and obtains encircling the aluminosilicate basic framework of forming by Fourth Ring and six, and it is known as " β-cage ".This zeolite structured elementary cell is the octahedron that its angle is cut off.
Table 1
Wessalith XD (X zeolite) with the difference amount replaces lime carbonate to be used for the embodiment of the dispersion paints prescription of interior paint.
| Weight % | ||||
| The embodiment sequence number | 1 | 2 | 3 | 4 |
| Water | 15,5 | 15,5 | 15,5 | 15,5 |
| Thickening material (methylcellulose gum), 2% | 15,0 | 15,0 | 15,0 | 15,0 |
| Dispersion agent (sodium polyphosphate), 10% | 0,7 | 0,7 | 0,7 | 0,7 |
| Dispersion agent (sodium polyacrylate) | 0,2 | 0,2 | 0,2 | 0,2 |
| Defoamer (KWS, hydrophobicity silicic acid) | 0,4 | 0,4 | 0,4 | 0,4 |
| Sanitas (thiazole derivative) | 0,1 | 0,1 | 0,1 | 0,1 |
| Titanium dioxide (TiO 2Content 94%, stable with Al+Zr) | 10,0 | 10,0 | 10,0 | 10,0 |
| Talcum (talcum+chlorite) | 7,0 | 7,0 | 7,0 | 7,0 |
| The talcum that contains rhombspar | 3,0 | 3,0 | 3,0 | 3,0 |
| Lime carbonate (marble, distortion) is very thin | 7,0 | 7,0 | 7,0 | 7,0 |
| Lime carbonate (marble, distortion) is thin | 25,0 | 20,0 | 15,0 | 10,0 |
| Wessalith XD (X zeolite) | - | 5,0 | 10,0 | 15,0 |
| Thickening material (two urethanes) | 0,1 | 0,1 | 0,1 | 0,1 |
| Copolymerization product dispersion liquid by vinyl-acetic ester and ethene preparation | 16,0 | 16,0 | 16,0 | 16,0 |
| 100,0 | 100,0 | 100,0 | 100,0 | |
Table 2
In view of its dispersing property, viscosity, optical characteristics and tearing tendency, according to the test-results of the utilisation technology of the indoor dispersed color of embodiment 1-4 preparation
| Dispersion paints is used in test, prepares according to the embodiment sequence number | ??Grindom ??eterwert ???(μm) | Viscosity under 6Upm (mPas) | Viscosity under 60Up m (mPas) | Thixotropy index | 85 ℃-reflectometer value of glossiness | Whiteness according to Berger | Contrast ratio (%) | Whiteness and covering power (range estimation) | Tearing tendency (450 μ m desciccator diaphragm) |
| ????1 | ????50 | ??26000 | ??4640 | ??5,6 | ??2,0 | ??71,9 | ??97,0 | Benchmark | Very little |
| ????2 | ????51 | ??30700 | ??5160 | ??5,9 | ??2,2 | ??73,3 | ??97,9 | Be clearly better | Very little |
| ????3 | ????52 | ??37200 | ??6300 | ??5,9 | ??2,7 | ??74,1 | ??98,1 | Take a turn for the better in essence | Very little |
| ????4 | ????53 | ??48300 | ??8170 | ??5,9 | ??3,3 | ??75,1 | ??98,4 | Take a turn for the better in essence | Very little |
Table 3
The formulation Example that is used for the dispersion paints of outdoor paint wherein uses Wessalith XD (X zeolite) to replace china clay (kaolin).
| Weight % | |||
| The embodiment sequence number | 5 | 6 | 7 |
| Water | 12,1 | 12,1 | 12,1 |
| Thickening material (the fine liquid element of methyl), 2% | 15,0 | 15,0 | 15,0 |
| Dispersion agent (sodium polyphosphate), 10% | 1,0 | 1,0 | 1,0 |
| Dispersion agent (polyacrylic ammonium salt) | 0,2 | 0,2 | 0,2 |
| Defoamer (KWS, hydrophobic silicic acid) | 0,2 | 0,2 | 0,2 |
| Sanitas (N-methylol chlor(o)acetamide) | 0,3 | 0,3 | 0,3 |
| Membrane-forming agent (butyl Diethylene Glycol acetic ester) | 2,0 | 2,0 | 2,0 |
| Ammonia, 25% | 0,2 | 0,2 | 0,2 |
| The synthetic pure aluminium silicate | 5,0 | 5,0 | 5,0 |
| Titanium dioxide (TiO 2Content 94%, stable with Al+Si) | 15,0 | 15,0 | 15,0 |
| Wessalith XD (X zeolite) | 6,0 | - | - |
| China clay (having high kaolin content) | - | 6,0 | - |
| Incinerating kaolin | - | - | 6,0 |
| Natural barium sulfate | 10,0 | 10,0 | 10,0 |
| Little talcum, magniferous | 5,0 | 5,0 | 5,0 |
| The copolymerization product dispersion liquid of making by vinyl acetate and acrylate | 28,0 | 28,0 | 28,0 |
| 100,0 | 100,0 | 100,0 | |
Table 4
Consider its dispersing property, viscosity and optical property, according to the test-results on the utilisation technology of the outdoor dispersion paints of embodiment 5-7 preparation:
| The test dispersion paints prepares according to the embodiment sequence number | ?Grindom- ?eterwert ??(μm) | Viscosity under 6Upm (mPas) | Viscosity under 60Upm (mPas) | Thixotropy index | 85 ℃-reflectometer value of glossiness | Whiteness and covering power (range estimation) |
| ????5 | ????38 | ??17000 | ????2970 | ??5,7 | ????4,8 | Benchmark |
| ????6 | ????38 | ??28000 | ????4780 | ??5,9 | ????3,9 | Obviously bad |
| ????7 | ????38 | ??17200 | ????3100 | ??5,5 | ????4,0 | A bit not so good |
Table 5
The formulation Example that when using Wessalith XD (X zeolite) instead of part titanium dioxide, is used for the dispersion paints of interior paint
| Weight % | ||
| The embodiment sequence number | ????8 | ????9 |
| Water | ????15,5 | ????15,5 |
| Thickening material (carboxymethyl cellulose, 2%) | ????15,0 | ????15,0 |
| Dispersion agent (sodium polyphosphate), 10% | ????0,7 | ????0,7 |
| Dispersion agent (sodium polyacrylate) | ????0,2 | ????0,2 |
| Defoamer (KWS, hydrophobicity silicic acid) | ????0,4 | ????0,4 |
| Sanitas (thiazole derivative) | ????0,1 | ????0,1 |
| Titanium dioxide (TiO 2Content 94%, stable with Al+Zr) | ????10,0 | ????7,0 |
| WessalithXD (X zeolite) | ????- | ????3,0 |
| Talcum (talcum+chlorite) | ????7,0 | ????7,0 |
| The talcum that contains rhombspar | ????3,0 | ????3,0 |
| Lime carbonate (marble, distortion) is very thin | ????7,0 | ????7,0 |
| Lime carbonate (marble, distortion) is thin | ????25.0 | ????25,0 |
| Thickening material (two urethanes) | ????0,1 | ????0,1 |
| Copolymerization product dispersion liquid by vinyl-acetic ester and ethene preparation | ????16,0 | ????16,0 |
| ????100,0 | ????100,0 | |
Table 6
Consider its dispersing property, viscosity, optical property and wear resistance, according to the test-results of indoor dispersion paints on utilisation technology of embodiment 8～9 preparations
| Dispersion paints is used in test, prepares according to the embodiment sequence number | ?Grindom- ?eterwert ???(μm) | Viscosity under 6Upm (mPas) | Viscosity under 60Upm (mPas) | Thixotropy index | 85 ℃-reflectometer value of glossiness | Whiteness according to Berger | Contrast ratio (%) | Whiteness and covering power (range estimation) | Wear resistance (cycle index) |
| ????8 | ????50 | ??40100 | ??7330 | ??5,5 | ??1,8 | ?72,1 | 95,4 | Benchmark | ＞5000 |
| ????9 | ????51 | ??42000 | ??8000 | ??5,3 | ??2,0 | ?72,6 | 95,1 | Identical | ＞5000 |
The test of equally carrying out dispersion paints as described below:
1, dispersive ability (granularity, Grind measured value) (Grindometerwert)
In order to test dispersive abilities (granularity, Grind measured value) according to DIN 53203, the water of use 10～15% dilutes this dispersion paints.Granularity is interpreted as that determine under determined condition, the expression particle size characteristics according to this standard and by the numerical value that the wedge shape bed thickness obtains, is smearing when being lower than this numerical value on the surface of trying body and can see a large amount of pigment (filler) particle.
2, viscosity
Viscosity (representing with Pa.s) is a kind of numerical value of fluidic resistance to flow when being illustrated in Laminar Flow, and is defined as the quotient of shearing stress and velocity of shear.
Because stream is deformed into not only the preparation of influence paint but also influences performance on its package stability and the utilisation technology, so viscosity is to estimate its major criterion.After 23 ℃ are down stored 24 hours, use 6 and 60Upm under Brookfield-viscosity apparatus LVT (model DV-II) measure the viscosity of dispersion paints, then definite thixotropy index.
3, the measurement of whiteness
Measure whiteness on coating, wherein the slit height of this coating is 400 microns.
Water with about 15～20 weight % after stirring fully dilutes this dispersion paints, and sieves with nylon mesh (mesh size 150 μ m).By means of a film applicator dyestuff is coated in white glaze light-card sheet (on 21 * 14.5cm).
After the dyestuff drying, in the region intermediate of coating, measure three times according to DIN 53 778 the 3rd parts.Provide the Berger whiteness.
4, the evaluation of covering power
Fully stir two kinds of dispersion paints of desiring to compare, sieve with the water dilution of about 15～20 weight % with by nylon mesh (150 microns of screen sizes).Under the help of dual film applicator (200 microns of slit height), make dyestuff be adjacent to be coated in by means of electronic film drawing device and have on the white test card of 4 black center bands.After the dyestuff drying, estimate covering power with comparing.
In order to confirm eye impressions, measure the contrast ratio (KV) of dyestuff.For this purpose, make dye-coating at half on black and half white test card, and measure the standard colour Y of two kinds of bottoms.Estimate according to following formula:
5, the measurement (gloss) of reflectometer value (Reflektometerwert)
Film applicator by means of 100 μ m is coated in dispersion paints on the sheet glass (window glass), at room temperature dry 24 hours.
Using glossiness determinator BYK Gardner (being muddy gloss under 85 ° measured angular) to carry out glossiness according to DIN 67 530 measures.Every kind of dye film carries out three times and measures.
6, the mensuration of wear resistance
Measure wear resistance according to DIN 53778 second sections.
Claims (1)
1, dispersion paints is characterized in that, it also comprises X zeolite except that other component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97120846A CN1187514A (en) | 1996-10-26 | 1997-10-24 | Dispersion paints |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19644548.5 | 1996-10-26 | ||
| CN97120846A CN1187514A (en) | 1996-10-26 | 1997-10-24 | Dispersion paints |
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| Publication Number | Publication Date |
|---|---|
| CN1187514A true CN1187514A (en) | 1998-07-15 |
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ID=5176036
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120846A Pending CN1187514A (en) | 1996-10-26 | 1997-10-24 | Dispersion paints |
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|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331956C (en) * | 2002-09-16 | 2007-08-15 | 伊尼奥斯硅石有限公司 | Powder coating compositions |
-
1997
- 1997-10-24 CN CN97120846A patent/CN1187514A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331956C (en) * | 2002-09-16 | 2007-08-15 | 伊尼奥斯硅石有限公司 | Powder coating compositions |
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| WD01 | Invention patent application deemed withdrawn after publication |