Filler paste, coating painting and composite for coating wooden poles
AssigneeLight Servicos De Eletricidade S.A.
InventorsBluma Guenther SOARES, Fabio Ladeira BARCIA
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Abstract
It is an object of the invention to provide a number of coatings for protection of wooden poles including filler paste, coating paints and glass fiber-polyester resin based composites which may be applied to wooden poles in the field. These coatings contain different anti-flame and antifungal additives.
Claims4
Filler paste for wooden poles, characterized by comprising:
- component A to be mixed with hardener component B;
- wherein:
- component A comprises bromine epoxy resin in the range from about 36.5% to 36.8% by weight;
- diglycidyl ether bisphenol A epoxy resin in the range from about 10% to 10.4% by weight;
- alumina in the range of 36.8% to 36.5% by weight;
- talc in the range of 15.8% to 15.5% by weight;
- termite poison in the range of 0% to 1.1% by weight;
- and
- said component B comprises aromatic amine in an amount of 44% by weight;
- silica nanoparticles in an amount of 0.6% by weight;
- alumina in an amount of 27.2% by weight;
- talc in an amount of 28.2% by weight.
Coating paint for wooden poles, characterized by comprising:
- component A to be mixed with component B;
- wherein:
- component A comprises epoxy resin in the range of 31.7% to 33.3% by weight;
- bromine epoxy resin in the range of 47.8% to 50% by weight;
- liquid of cashew nut shell in the range of 0% to 4.7% by weight;
- swallower in the range of 15.8% to 16.7% by weight;
- and
- component B comprises aromatic amine in the range of 73.4% to 80.5% by weight;
- silica nanoparticles in the range of 1.3% to 1.5% by weight;
- swallower in the range of 18% to 25.3% by weight.
Composite for coating wooden poles, constituted of fiber glass fabric and bromine epoxy resin, characterized in that the bromine epoxy resin based formulation includes:
- component A comprising bromine epoxy resin in the amount of 6% by weight;
- silica nanoparticles in the amount of 1.2% by weight;
- alumina in the amount of 24.4% by weight;
- anti-bubble additive in the amount of 1.2%;
- retarding additive in the amount of 9.2% by weight;
- synergistic retarding additive in the amount of 3% by weight;
- and
- component B comprising aromatic amine in the amount of 74.4% by weight;
- silica nanoparticles in the amount of 1.3% by weight;
- alumina in the amount of 12.8% by weight;
- retarding additive in the amount of 7.7% by weight;
- synergistic retarding additive in the amount of 3.8% by weight;
- wherein the fiberglass fabric is present in an amount between 60 and 70 grams.
Composite for coating wooden poles, made up fiber glass fabric and polyester resin, characterized in that the polyester resin based formulation includes:
- component A comprising polyester resin in the amount of 63.6% by weight;
- dimethyl aniline in the amount of 0.2% by weight;
- alumina in the amount of 20.2% by weight;
- retarding additive in the amount of 9.5% by weight;
- synergistic additive in the amount of 3.2% by weight;
- titanium oxide in the amount of 1.0%, dispersing additive in the amount of 2.3%;
- and
- component B comprising benzoyl peroxide in the amount of 100%;
- wherein the fiberglass fabric is present in an amount between 90 and 100 grams.
Dependencies are inferred from the claim text.