Compound for Surface Protection

Abstract

A surface protection compound, in particular a compound for the non-flammable water-resistant non-hazardous biocidal surface protection of wood, or paper, or textile, or plastic, which contains an aqueous silicate solution which contains 93 to 98 wt % of an aqueous solution of potassium silicate, 1 to 6 wt % of aluminium hydroxide and, 0.5 to 1.5 wt % of stabiliser of the aqueous solution of potassium silicate.

Claims

1. A surface protection compound for the nonflammable water-resistant biocidal surface protection of wood, paper, textile, or plastic, comprising an aqueous silicate solution, comprising 93 to 98 wt % of an aqueous solution of potassium silicate, 1 to 6 wt % of aluminum hydroxide and, 0.5 to 1.5 wt % of stabilizer of the aqueous solution of potassium silicate.

2. The surface protection compound according to claim 1, further comprising 1 to 3 wt % aqueous carbon black solution.

3. The surface protection compound according to claim 1, wherein the aqueous potassium silicate solution has a density in the range of from 1650 to 1670 kg/m.sup.3.

4. The surface protection compound according to claim 1, wherein the aqueous potassium silicate solution has a molar mass ratio of silicon oxide to potassium oxide in the range of from 1.67 to 1.73.

5. The surface protection compound according to claim 1, wherein the aqueous carbon black solution comprises 25 wt % carbon black.

6. The surface protection compound according to claim 1, wherein the stabilizers of the aqueous potassium silicate solution are hydrophilic alkoxy alkyl-ammonium salts.

Description

EXAMPLES OF THE PERFORMANCE OF THE INVENTION

Example 1

[0014] The compound for non-flammable water-resistant non-hazardous biocidal surface protection of wood contains 93 wt % of aqueous potassium silicate solution, 6 wt % of aluminium hydroxide and, 1 wt % of stabiliser of the aqueous solution of potassium silicate.

[0015] The aqueous potassium silicate solution has a density of 1670 kg/m.sup.3 and the molar mass ratio of silicon oxide to potassium oxide is 1.73.

[0016] The stabilisers of the aqueous potassium silicate solution are hydrophilic alkoxy alkyl-ammonium salts, in the form of a 98% aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylenediamine.

[0017] The resulting compound is intended for non-flammable colourless wood impregnation.

Example 2

[0018] The compound for non-flammable water-resistant non-hazardous biocidal surface protection of wood contains 95 wt % of aqueous potassium silicate solution, 1 wt % of aluminium hydroxide, 1 wt % of stabiliser of the aqueous solution of potassium silicate and, 3 wt %. aqueous carbon black solution.

[0019] The aqueous potassium silicate solution has a density of 1650 kg/m.sup.3 and the molar mass ratio of silicon oxide to potassium oxide is 1.67.

[0020] The stabilisers of the aqueous potassium silicate solution are hydrophilic alkoxy alkyl-ammonium salts, in the form of a 98% aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylenediamine.

[0021] The resulting compound is intended for the non-combustible biocidal impregnation of wood.

Example 3

[0022] The compound for non-flammable water-resistant non-hazardous biocidal surface protection of wood, or paper, or textile, or plastic, contains 97 wt % of aqueous potassium silicate solution, 2 wt % of aluminium hydroxide and, 1 wt % of stabiliser of the aqueous solution of potassium silicate.

[0023] The aqueous potassium silicate solution has a density of 1655 kg/m.sup.3 and the molar mass ratio of silicon oxide to potassium oxide is in the range of 1.70.

[0024] The stabilisers of the aqueous potassium silicate solution are hydrophilic alkoxy alkyl-ammonium salts, in the form of a 98% aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylenediamine.

[0025] The resulting compound is specifically intended for non-flammable colourless biocidal colourless impregnation of paper products.

Example 4

[0026] The compound for non-flammable water-resistant non-hazardous biocidal surface protection of textiles or plastics contains 93 wt % of aqueous potassium silicate solution, 3 wt % of aluminium hydroxide, 1 wt % of stabiliser of the aqueous solution of potassium silicate and, 3 wt % aqueous carbon black solution.

[0027] The aqueous potassium silicate solution has a density of 1660 kg/m.sup.3 and the molar mass ratio of silicon oxide to potassium oxide is 1.71.

[0028] The aqueous carbon black solution contains 25 wt % carbon black.

[0029] The stabilisers of the aqueous potassium silicate solution are hydrophilic alkoxy alkyl-ammonium salts, in the form of a 98% aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylenediamine.

[0030] The resulting compound is intended for non-flammable impregnation of textiles and plastics.

Example 5

[0031] The compound for non-flammable water-resistant non-hazardous biocidal surface protection of textiles or plastics contains 97 wt % of aqueous potassium silicate solution, 1 wt % of aluminium hydroxide, 1 wt % of stabiliser of the aqueous solution of potassium silicate and, 1 wt % aqueous carbon black solution.

[0032] The aqueous potassium silicate solution has a density of 1650 kg/m.sup.3 and the molar mass ratio of silicon oxide to potassium oxide is 1.69.

[0033] The aqueous carbon black solution contains 25 wt % carbon black.

[0034] The stabilisers of the aqueous potassium silicate solution are hydrophilic alkoxy alkyl-ammonium salts, in the form of a 98% aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylenediamine.

[0035] The resulting compound is intended for non-flammable impregnation of textiles and plastics.

Example 6

[0036] The compound for non-flammable water-resistant non-hazardous biocidal surface protection of textiles or plastics contains 96 wt % of aqueous potassium silicate solution, 2 wt % of aluminium hydroxide, 1 wt % of stabiliser of the aqueous solution of potassium silicate and, 1 wt % aqueous carbon black solution.

[0037] The aqueous potassium silicate solution has a density of 1660 kg/m.sup.3 and the molar mass ratio of silicon oxide to potassium oxide is 1.7.

[0038] The aqueous carbon black solution contains 25 wt % carbon black.

[0039] The stabilisers of the aqueous potassium silicate solution are hydrophilic alkoxy alkyl-ammonium salts, in the form of a 98% aqueous solution of N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylenediamine.

[0040] The resulting compound is intended for non-flammable impregnation of textiles and plastics.

INDUSTRIAL APPLICATION

[0041] The surface protection compound according to the invention can be used particularly for the non-flammable water-resistant non-hazardous biocidal surface protection of wood, or paper, or textiles, or plastics, which can also be soft PUR foam, rubber or geo-textiles.