Biocidal granule, in particular for making asphalt shingle

Details Biocidal granule, in particular for making asphalt shingle Biocidal granule, in particular for making asphalt shingle

A - Human Necessities

01

N

A01N 25/12 (2006.01) A01N 25/34 (2006.01) A01N 43/80 (2006.01) A01P 3/00 (2006.01) E04D 1/20 (2006.01) E04D 13/00 (2006.01)

Patent

CA 2604145

The invention concerns biocidal granules consisting of a mineral core coated with at least one porous inorganic coat containing at least one organic compound adapted to limit or to prevent micro-organism growth, in particular algae. The invention also concerns a method for sol-gel preparation of said biocidal granules and the use of said biocidal granules in building materials, in particular shingles and façade coatings.

L'invention se rapporte à des granulés biocides composés d'un noyau minéral revêtu d'au moins une couche inorganique poreuse renfermant au moins un composé organique apte à limiter ou empêcher la croissance de microorganismes, notamment d'algues. L'invention concerne aussi un procédé de préparation par sol-gel desdits granulés biocides et l'utilisation de ces granulés biocides dans des matériaux de construction, notamment des bardeaux et des revêtements de façade.

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