Mat and gypsum boards suitable for wet or humid areas
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United States of America Patent
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Jun 18, 2024
Grant Date -
Oct 26, 2017
app pub date -
Oct 6, 2015
filing date -
Oct 6, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a fibrous mat facer for preparing a gypsum board, to a gypsum board comprising said mat facer and to a system comprising said gypsum board. The fibrous mat comprises at least one ply of a non-woven fabric, and a binder composition, wherein the binder composition represents from 10 to 40 wt % of the total weight of the mat. The binder composition comprises a copolymer comprising a co-monomer unit of a vinyl ester of an alpha branched aliphatic monocarboxylic acid, said copolymer being present in an amount from 25 to 100 wt % of the binder composition weight.
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International Classification(s)
- C03C:CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREO....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- E04C:STRUCTURAL ELEMENTS; BUILDING MATERIALS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
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