Construction panel having improved fixing strength
AssigneeSaint-Gobain Placo
InventorsLaura Brooks, Nicola Jupp, Joanna Sparkes, Elodie Taboulot, Adam Richardson, Nicholas Jones, Jan Rideout
Life of this patent
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Abstract
A plasterboard comprises a gypsum matrix having a polymeric additive distributed therein in an amount of at least 1 wt % relative to the gypsum, the gypsum matrix further having a first group of fibres and a second group of fibres embedded therein, wherein the fibres of the first group of fibres have an average length that is at least three times the average length of the fibres of the second group of fibres.
Claims20
A plasterboard comprising a gypsum matrix having a polymeric additive distributed therein in an amount of at least 1 wt % relative to the gypsum of the gypsum matrix, the gypsum matrix further having a first group of fibres and a second group of fibres embedded therein, wherein the fibres of the first group of fibres have an average length that is at least three times the average length of the fibres of the second group of fibres.
A plasterboard comprising:
- a gypsum matrix;
- a polymeric additive within the gypsum matrix in an amount of at least 1 wt % relative to the gypsum of the gypsum matrix;
- cellulose-based fibres within the gypsum matrix;
- and
- glass fibres within the gypsum matrix, the glass fibres having an average length that is at least three times the average length of the cellulose-based fibres.
Dependencies are inferred from the claim text.