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US 9,856,170 B2Granted
Gypsum plaster-based material containing casein and activated carbon
AssigneeSaint-Gobain Placo
InventorsKatarzyna Chuda, Caroline Demathieu-Roeltgen, Benoit Didier
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Abstract
A plaster-based material, in particular a plasterboard intended for the interior fitting of dwellings, contains a mixture of casein and active charcoal. The plaster-based material is used for reducing the amount of volatile organic compounds present in the atmosphere inside dwellings, offices or public buildings.
Claims13
A VOC absorbing plaster-based material, comprising:
- a gypsum plaster material;
- a mixture of casein and active charcoal;
- a total amount of casein and active charcoal ranging from 0.01 to 20 parts by weight per 100 parts by weight gypsum plaster and the weight of casein representing from 1.0% to 60% by weight of the mixture of casein and active charcoal.
Dependencies are inferred from the claim text.