A formulation for sealing warping or cracking head gasket and cooling system, consisting essentially of 20% to 35% by volume of water; 20% to 35% by volume of sodium silicate; 10% to 30% by volume of potassium silicate; 10% to 20% by volume of propylene glycol at pH 8-10; 5% to 10% by volume of citric acid; and 2.5% to 5% by volume of o-hydroxy phenyl triazine. The formulation also consisting of said sodium silicate and potassium silicate have a kinematic viscosity and may further include benzoates, molybdates, alkali metal borates, sodium silicates, potassium silicates, triazoles, acids, boric salts, sodium hydroxides, potassium hydroxides or lithium hydroxides.

A formulation for sealing warping or cracking head gasket and cooling system, consisting essentially of 20% to 35% by volume of water; 20% to 35% by volume of sodium silicate; 10% to 30% by volume of potassium silicate; 10% to 20% by volume of propylene glycol at pH 8-10; 5% to 10% by volume of citric acid; and 2.5% to 5% by volume of o-hydroxy phenyl triazine. The formulation also consisting of said sodium silicate and potassium silicate have a kinematic viscosity and may further include benzoates, molybdates, alkali metal borates, sodium silicates, potassium silicates, triazoles, acids, boric salts, sodium hydroxides, potassium hydroxides or lithium hydroxides.

The invention relates to the use of a composition comprising at least one polyamide, of which at least one is a semicrystalline copolyamide comprising at least one minor motif resulting from the polycondensation of: at least one diamine with at least one polymerised fatty acid, in particular a fatty acid dimer; or at least one diamine dimer with at least one carboxylic acid; or at least one amino acid dimer; or mixtures of same, as a sealing coating in a pipe containing oil or gas, said pipe being used in the operation of offshore oil or gas deposits.

The invention relates to the use of a composition comprising at least one polyamide, of which at least one is a semicrystalline copolyamide comprising at least one minor motif resulting from the polycondensation of: at least one diamine with at least one polymerised fatty acid, in particular a fatty acid dimer; or at least one diamine dimer with at least one carboxylic acid; or at least one amino acid dimer; or mixtures of same, as a sealing coating in a pipe containing oil or gas, said pipe being used in the operation of offshore oil or gas deposits.

The present invention provides certain chemical compounds or materials having adhesive properties or functionality that act as adhesives or sealants in a variety of applications. In particular, the invention, including its various embodiments, relates to certain functional graphenic materials having an attached adhesive moiety that provides adhesive properties or functionality to the resulting compound and that can be used as an adhesive or sealant in a variety of applications, such as in-situ repair of a leak or defect in a tube carrying a fluid, such as a condenser tube in a power plant.

The present invention provides certain chemical compounds or materials having adhesive properties or functionality that act as adhesives or sealants in a variety of applications. In particular, the invention, including its various embodiments, relates to certain functional graphenic materials having an attached adhesive moiety that provides adhesive properties or functionality to the resulting compound and that can be used as an adhesive or sealant in a variety of applications, such as in-situ repair of a leak or defect in a tube carrying a fluid, such as a condenser tube in a power plant.

The present invention relates to an automotive engine cooling system stop-leak formulation for repairing leaks in an engine cooling system, is compatible with common coolant antifreeze types and is capable of maintaining the repair after draining and re-filling the coolant. The automotive engine cooling system stop-leak formulation comprising a polymeric resin and a particulate package, wherein the particulate package comprises a first natural fibre having a first fibre length and a greater amount of a second natural fibre having a second fibre length.

The present invention relates to an automotive engine cooling system stop-leak formulation for repairing leaks in an engine cooling system, is compatible with common coolant antifreeze types and is capable of maintaining the repair after draining and re-filling the coolant. The automotive engine cooling system stop-leak formulation comprising a polymeric resin and a particulate package, wherein the particulate package comprises a first natural fibre having a first fibre length and a greater amount of a second natural fibre having a second fibre length.

Disclosed is a binder of vegetable origin based on modified tall-oil pitch, modified vegetable resin and optionally oil. Also disclosed are leakproofing membrane compositions, soundproofing membrane compositions, liquid sealing system compositions, asphalt mix coating compositions, asphalt coating compositions, primer compositions, varnish compositions, mastic compositions, adhesive compositions or binder emulsion compositions which comprise said binder. In addition, a method is disclosed for reducing the amount of bitumen of petroleum origin in said compositions.

Disclosed is a binder of vegetable origin based on modified tall-oil pitch, modified vegetable resin and optionally oil. Also disclosed are leakproofing membrane compositions, soundproofing membrane compositions, liquid sealing system compositions, asphalt mix coating compositions, asphalt coating compositions, primer compositions, varnish compositions, mastic compositions, adhesive compositions or binder emulsion compositions which comprise said binder. In addition, a method is disclosed for reducing the amount of bitumen of petroleum origin in said compositions.