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公开(公告)号:US20240294421A1
公开(公告)日:2024-09-05
申请号:US18659302
申请日:2024-05-09
申请人: Ahlstrom Oyj
发明人: Emmanuel FAYNOT , Marc BERLIOZ , Samuel MERLET , Claude LECLERCQ
IPC分类号: C03C13/00 , B32B5/02 , B32B5/08 , B32B5/22 , B32B5/24 , B32B5/26 , B32B7/12 , B32B13/00 , B32B13/14 , C03C13/06 , C03C25/1025 , C03C25/28 , C04B28/14 , C04B111/00 , D04H1/00 , D04H1/587 , D04H13/00 , D21H11/00 , D21H11/12 , D21H13/00 , D21H13/14 , D21H13/24 , D21H13/26 , D21H17/33 , D21H17/37 , E04C2/04
CPC分类号: C03C13/00 , B32B5/022 , B32B5/08 , B32B5/22 , B32B5/24 , B32B5/26 , B32B7/12 , B32B13/00 , B32B13/14 , C03C13/06 , C04B28/14 , D04H1/00 , D04H1/587 , D04H13/00 , D21H11/00 , D21H11/12 , D21H13/00 , D21H13/14 , D21H13/24 , D21H13/26 , D21H17/33 , D21H17/37 , E04C2/04 , E04C2/043 , B32B2260/021 , B32B2260/046 , B32B2262/0253 , B32B2262/0261 , B32B2262/0269 , B32B2262/0276 , B32B2262/04 , B32B2262/06 , B32B2262/062 , B32B2262/065 , B32B2262/067 , B32B2262/10 , B32B2262/101 , B32B2262/14 , B32B2307/538 , B32B2307/546 , B32B2307/718 , B32B2419/00 , C03C25/103 , C03C25/28 , C04B2111/0062 , C04B2111/00629
摘要: 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.