B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 13/04 (2006.01) B32B 7/04 (2006.01) B32B 37/24 (2006.01)
Patent
CA 2231397
The present invention provides an architectural material obtained by forming a decorative layer containing calcium carbonate as a binder component on the surface of a base material, and laminating a ventilating protective sheet having a peeling strength of 200 to 4000 mN on the surface of the decorative layer without interposing an adhesive layer separately, and a process for producing the architectural material: The architectural material has excellent soiling resistance or abrasion resistance, and is highly practical.
L'invention concerne un matériau de construction et un procédé de fabrication dudit matériau. Le matériau de construction comprend une couche décorative appliquée sur la surface d'un matériau support et contenant un carbonate de calcium utilisé comme agent de liaison. Le matériau de construction comprend aussi une feuille protectrice laminée, perméable au gaz, placée sur la surface de la couche décorative et ayant une force d'adhérence de 200 à 400 mN, sans aucune couche adhésive entre la feuille protectrice et la couche décorative. Le matériau de construction a une excellente résistance à la saleté et à l'abrasion et une aptitude à l'emploi renforcée.
Fujimoto Tadashi
Sakai Yoshihiro
Takaoka Toshihiro
Smart & Biggar
Tokuyama Corporation
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