Material with progressive release of a liquid active substance by evaporation, and anti-mosquito bracelet that integrates said material

摘要

Material with progressive release of a liquid active substance by evaporation, said material comprising a matrix of polymeric material in which a liquid composition is impregnated, said material that is characterized in that the composition comprises a mixture between the active substance and a solute, said active substance comprising an essential oil or a mixture of essential oils that has a repellent function for harmful animals, said solute comprising at least one food substance chosen from vanilla or a mixture of vanilla and menthol carboxamide and which is suitable for reducing the evaporation kinetics of the active substance by decreasing the vapor pressure.