NON-INFLAMMABLE LUMBER

• Main Authors: HIKASA MOTOI, WATANABE ATSUSHI, MIYAMURA TAKUYA, KAWAMURA SHOTARO
• Format: Patent
• Language: English; Japanese
• Published: 22.08.2022
• Subjects: CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS; MANUFACTURE OF SPECIFIC WOODEN ARTICLES; NAILING OR STAPLING MACHINES IN GENERAL; PERFORMING OPERATIONS; PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; TRANSPORTING; WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL

To provide non-inflammable lumber with a desired fire-resistance property.SOLUTION: Non-inflammable lumber is provided with: a first wooden substrate 10a on a front side impregnated with first flame retardant liquid including first flame retardant P; and a second wooden substrate 20a laminated on a rear surface side of the first wooden substrate 10a and impregnated with second flame retardant liquid including second flame retardant B.SELECTED DRAWING: Figure 1 【課題】所望の耐火特性を有する不燃木材を実現する。【解決手段】第１難燃剤Ｐを含有する第１難燃薬液が含浸された表面側の第１木質基材１０ａと、第１木質基材１０ａの裏面側に積層され、第２難燃剤Ｂを含有する第２難燃薬液が含浸された第２木質基材２０ａとを備えている。【選択図】図１