Thermal Insulating Plaster Mixture

Abstract

A mixture for a thermal insulating plaster, especially a mixture for a thermal insulating plaster that contains aqueous solution of silicate, which contains 78 to 90 volume percent of hollow glass microspheres, 5 to 17 volume percent of aqueous solution of potassium silicate, 0.1 volume percent of water-glass-binder stabilizer, 1.5 to 5 volume percent of styrene-acrylate dispersion, 0.4 to 3 volume percent of aqueous colloidal solution of silver, 0.2 to 2.4 volume percent of tensides as an aerating agent, and 0.5 to 7 volume percent of water.

Claims

1. A thermal insulating plaster mixture, comprising an aqueous solution of silicate comprising 78 to 90 volume percent of hollow glass microspheres, 5 to 17 volume percent of aqueous solution of potassium silicate, 0.1 volume percent of water-glass-binder stabilizer, 1.5 to 5 volume percent of styrene-acrylate dispersion, 0.4 to 3 volume percent of aqueous colloidal solution of silver, 0.2 to 2.4 volume percent of tensides as an aerating agent, and 0.5 to 7 volume percent of water.

2. A thermal insulating plaster mixture which comprises an aqueous solution of silicate, comprising 75 to 90 volume percent of porous glass spheres, 1 to 4 volume percent of hollow glass microspheres, 4 to 14 volume percent of aqueous solution of potassium silicate, 1 to 6 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, 0.3 to 3 volume percent of styrene-acrylate dispersion, 0.4 to 3 volume percent of aqueous colloidal solution of silver, 0.2 to 2.4 volume percent of tensides as an aerating agent, 0.5 to 7 volume percent of water, and 0.1 to 1.5 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2.

3. The thermal insulating plaster mixture according to claim 1, wherein the mixture further comprises hydrophilic alkoxyle alkyl ammonia salts as a water-glass-binder stabilizer.

4. The thermal insulating plaster mixture according to claim 2, wherein the size of the porous glass spheres is within the range from 0.25 to 2 mm.

5. The thermal insulating plaster mixture according to claim 1, wherein the size of the hollow glass microspheres is within the range of 0.05 to 0.08 mm.

6. The thermal insulating plaster mixture according to claim 1, wherein the concentration of the aqueous colloidal solution of silver is 0.01 percent.

7. The thermal insulating plaster mixture according to claim 1, wherein the molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.8 to 4.1.

8. The thermal insulating plaster mixture according to claim 1, wherein the density of the aqueous solution of potassium silicate is 1,230 to 1,250 kg/m.sup.3.

9. The thermal insulating plaster mixture according to claim 2, wherein the molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.2 to 3.4.

10. The thermal insulating plaster mixture according to claim 2, wherein the density of the aqueous solution of sodium silicate is 1,370 to 1,400 kg/m.sup.3.

Description

EXAMPLES OF THE PERFORMANCE OF THE INVENTION

Example 1

[0016] The thermal insulating plaster mixture contains 83 volume percent of porous glass spheres, 3 volume percent of hollow glass microspheres, 8 volume percent of aqueous solution of potassium silicate, 3.2 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 0.5 volume percent of styrene-acrylate dispersion.

[0017] The mixture further contains 0.8 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.3 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.3 volume percent of tensides as an aerating agent, and 0.8 volume percent of water.

[0018] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0019] The size of the porous glass spheres ranges from 1 to 2 mm.

[0020] The size of the hollow glass microspheres is 0.065 mm.

[0021] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 4.1, and the density of the aqueous solution is 1,250 kg/m.sup.3.

[0022] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.4 and the density of the aqueous solution is 1,400 kg/m.sup.3.

[0023] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a coarse stucco plaster and it can also be used as a decorative coating.

Example 2

[0024] The thermal insulating plaster mixture contains 88 volume percent of porous glass spheres, 2 volume percent of hollow glass microspheres, 4 volume percent of aqueous solution of potassium silicate, 1 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 2 volume percent of styrene-acrylate dispersion.

[0025] The mixture further contains 0.6 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.1 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.2 volume percent of tensides as an aerating agent, and 2 volume percent of water.

[0026] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0027] The size of the porous glass spheres ranges from 1 to 2 mm.

[0028] The size of the hollow glass microspheres is 0.065 mm.

[0029] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.8 and the density of the aqueous solution is 1,230 kg/m.sup.3.

[0030] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.2, and the density of the aqueous solution is 1,370 kg/m.sup.3.

[0031] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a coarse stucco plaster and it can also be used as a decorative coating.

Example 3

[0032] The thermal insulating plaster mixture contains 77 volume percent of porous glass spheres, 4 volume percent of hollow glass microspheres, 10 volume percent of aqueous solution of potassium silicate, 5 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 0.3 volume percent of styrene-acrylate dispersion.

[0033] The mixture further contains 1 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 1.5 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.6 volume percent of tensides as an aerating agent, and 0.5 volume percent of water.

[0034] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0035] The size of the porous glass spheres ranges from 1 to 2 mm.

[0036] The size of the hollow glass microspheres is 0.05 mm.

[0037] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.9 and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0038] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.3, and the density of the aqueous solution is 1,390 kg/m.sup.3.

[0039] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a coarse stucco plaster and it can also be used as a decorative coating.

Example 4

[0040] The thermal insulating plaster mixture contains 79 volume percent of porous glass spheres, 2 volume percent of hollow glass microspheres, 10.8 volume percent of aqueous solution of potassium silicate, 4.4 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 0.8 volume percent of styrene-acrylate dispersion.

[0041] The mixture further contains 1 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.3 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.4 volume percent of tensides as an aerating agent, and 1.2 volume percent of water.

[0042] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0043] The size of the porous glass spheres ranges from 0.5 to 1 mm.

[0044] The size of the hollow glass microspheres is 0.08 mm.

[0045] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 4.0, and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0046] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.3 and the density of the aqueous solution is 1,390 kg/m.sup.3.

[0047] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a common stucco plaster.

Example 5

[0048] The thermal insulating plaster mixture contains 83 volume percent of porous glass spheres, 1 volume percent of hollow glass microspheres, 7 volume percent of aqueous solution of potassium silicate, 2 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 3 volume percent of styrene-acrylate dispersion.

[0049] The mixture further contains 0.5 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.1 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.2 volume percent of tensides as an aerating agent, and 3.1 volume percent of water.

[0050] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0051] The size of the porous glass spheres ranges from 0.5 to 1 mm.

[0052] The size of the hollow glass microspheres is 0.065 mm.

[0053] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.9, and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0054] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.3 and the density of the aqueous solution is 1,380 kg/m.sup.3.

[0055] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a common stucco plaster.

Example 6

[0056] The thermal insulating plaster mixture contains 75 volume percent of porous glass spheres, 3 volume percent of hollow glass microspheres, 12 volume percent of aqueous solution of potassium silicate, 6 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 0.3 volume percent of styrene-acrylate dispersion.

[0057] The mixture further contains 1.5 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 1 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.6 volume percent of tensides as an aerating agent, and 0.5 volume percent of water.

[0058] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0059] The size of the porous glass spheres ranges from 0.5 to 1 mm.

[0060] The size of the hollow glass microspheres is 0.065 mm.

[0061] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 4.1, and the density of the aqueous solution is 1,230 kg/m.sup.3.

[0062] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.2 and the density of the aqueous solution is 1,400 kg/m.sup.3.

[0063] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a common stucco plaster.

Example 7

[0064] The thermal insulating plaster mixture contains 83 volume percent of porous glass spheres, 1 volume percent of hollow glass microspheres, 7 volume percent of aqueous solution of potassium silicate, 2 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 3 volume percent of styrene-acrylate dispersion.

[0065] The mixture further contains 0.5 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.1 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.2 volume percent of tensides as an aerating agent, and 3.1 volume percent of water.

[0066] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0067] The size of the porous glass spheres ranges from 0.25 to 0.5 mm.

[0068] The size of the hollow glass microspheres is 0.065 mm.

[0069] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.9, and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0070] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.3 and the density of the aqueous solution is 1,380 kg/m.sup.3.

[0071] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a fine stucco plaster.

Example 8

[0072] The thermal insulating plaster mixture contains 79 volume percent of porous glass spheres, 2 volume percent of hollow glass microspheres, 10.8 volume percent of aqueous solution of potassium silicate, 4.4 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 0.8 volume percent of styrene-acrylate dispersion.

[0073] The mixture further contains 1 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.3 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.4 volume percent of tensides as an aerating agent, and 1.2 volume percent of water.

[0074] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0075] The size of the porous glass spheres ranges from 0.25 to 0.5 mm.

[0076] The size of the hollow glass microspheres is 0.065 mm.

[0077] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.8, and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0078] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.3 and the density of the aqueous solution is 1,375 kg/m.sup.3.

[0079] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a fine stucco plaster.

Example 9

[0080] The thermal insulating plaster mixture contains 75 volume percent of porous glass spheres, 3 volume percent of hollow glass microspheres, 12 volume percent of aqueous solution of potassium silicate, 6 volume percent of aqueous solution of sodium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 0.3 volume percent of styrene-acrylate dispersion.

[0081] The mixture further contains 1.5 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 1 volume percent of an admixture of calcium stearate and sodium oleate in the ratio of 1:2, 0.6 volume percent of tensides as an aerating agent, and 0.5 volume percent of water.

[0082] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0083] The size of the porous glass spheres ranges from 0.25 to 0.5 mm.

[0084] The size of the hollow glass microspheres is 0.065 mm.

[0085] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.9, and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0086] The molar ratio between silicon dioxide and sodium oxide in the aqueous solution of sodium silicate is within the range of 3.3 and the density of the aqueous solution is 1,380 kg/m.sup.3.

[0087] The resulting mixture has a doughy consistence and is to be applied with a spreader or by spraying in the layer of 2 to 4 millimetres directly on the masonry. Its appearance and properties resemble a fine stucco plaster. This plaster shows a high level of water resistance, is fireproof, sanitizing and fungicidal.

Example 10

[0088] The thermal insulating plaster mixture contains 80 volume percent of hollow glass microspheres, 9.6 volume percent of aqueous solution of potassium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 2.4 volume percent of styrene-acrylate dispersion.

[0089] The mixture further contains 2 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.8 volume percent of tensides as an aerating agent, and 5.1 volume percent of water.

[0090] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0091] The size of the hollow glass microspheres is 0.065 mm.

[0092] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.9, and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0093] The resulting mixture has a pasty consistence and is to be applied with a spreader or by spraying in the layer of 1 to 2 millimetres directly on the masonry. Its appearance and properties resemble a fine gypsum plaster. The mixture is suitable for use on ceilings and under all kinds of floors.

Example 11

[0094] The thermal insulating plaster mixture contains 78 volume percent of hollow glass microspheres, 13 volume percent of aqueous solution of potassium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 1.5 volume percent of styrene-acrylate dispersion.

[0095] The mixture further contains 3 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 2.4 volume percent of tensides as an aerating agent, and 2 volume percent of water.

[0096] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0097] The size of the hollow glass microspheres is 0.065 mm.

[0098] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range of 3.8, and the density of the aqueous solution is 1,240 kg/m.sup.3.

[0099] The resulting mixture has a pasty consistence and is to be applied with a spreader or by spraying in the layer of 1 to 2 millimetres directly on the masonry. Its appearance and properties resemble a fine gypsum plaster. The mixture is suitable for use on ceilings and under all kinds of floors.

Example 12

[0100] The thermal insulating plaster mixture contains 82 volume percent of hollow glass microspheres, 5 volume percent of aqueous solution of potassium silicate, 0.1 volume percent of water-glass-binder stabilizer, and 5 volume percent of styrene-acrylate dispersion.

[0101] The mixture further contains 0.4 volume percent of aqueous colloidal solution of silver in the concentration of 0.01 percent, 0.5 volume percent of tensides as an aerating agent, and 7 volume percent of water.

[0102] Hydrophilic alkoxyle alkyl ammonia salts in the form of 98-percent aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene diamine are used as a water-glass-binder stabilizer.

[0103] The size of the hollow glass microspheres is 0.065 mm.

[0104] The molar ratio between silicon dioxide and potassium oxide in the aqueous solution of potassium silicate is within the range from 3.8 to 4.1 and the density of the aqueous solution ranges from 1230 to 1250 kg/m.sup.3.

[0105] The resulting mixture has a pasty consistence and is to be applied with a spreader or by spraying in the layer of 1 to 2 millimetres directly on the masonry. Its appearance and properties resemble a fine gypsum plaster. The mixture is suitable for use on ceilings and under all kinds of floors.

INDUSTRIAL APPLICATION

[0106] The thermal insulating plaster mixture according to this invention can especially be used as a thin-layered thermal insulation for masonry, plasters, wood and for oriented strand boards (OSB), for gypsum plasterboards as well as for metal, glass and other surfaces.