申请人:Daihachi Chemical Industry Co., Ltd.
公开号:EP3633012A1
公开(公告)日:2020-04-08
An object of the present invention is to provide a flame-retardant woody material having low hygroscopicity and excellent flame-retardant performance, and a flame retardant for woody materials therefor. The present invention relates to a flame retardant for woody materials comprising an organic phosphorus compound represented by the following formula (1) and a nitrogen compound represented by the following formula (2); and also relates to a flame-retardant woody material comprising a woody material fireproofed with the flame retardant for woody materials:
wherein in the formula (1), R1 and R2 are the same or different, and each represents a hydrogen atom, hydroxy, or the like; n is an integer of 1 to 4; X1 and X2 are the same or different, and each represents a hydrogen atom, hydroxy, or the like; and
wherein in the formula (2), R3, R4, R5, R6, and R7 are the same or different, and each represents a hydrogen atom, methyl, or the like.
本发明的目的是提供一种具有低吸湿性和优异阻燃性能的阻燃木质材料及其阻燃剂。本发明涉及一种木质材料用阻燃剂,它由下式(1)代表的有机磷化合物和下式(2)代表的氮化合物组成;还涉及一种阻燃木质材料,它包括用该木质材料用阻燃剂防火的木质材料:
式(1)中,R1 和 R2 相同或不同,各自代表氢原子、羟基或类似物;n 是 1 至 4 的整数;X1 和 X2 相同或不同,各自代表氢原子、羟基或类似物;以及
式(2)中,R3、R4、R5、R6 和 R7 相同或不同,各自代表氢原子、甲基或类似物。