Properties of flame-retardant high density fiberboard synergized with industrial by-product
-
摘要: 以工业废碱渣(主要组分为氢氧化铝(Al(OH3)))、 硼酸锌(2ZnO·3B2O3·3.5H2O)、 硼酸(H3BO3)等为阻燃剂, 制备出具有良好阻燃性能的阻燃高密度松木纤维板(HDF), 对其物理及力学性能、 阻燃性能、 残炭形貌等进行了分析表征。结果表明: 在满足物理及力学性能的条件下, 废碱渣Al(OH3)与2ZnO·3B2O3·3.5H2O和H3BO3之间具有良好的阻燃协效性, 提高了纤维板的成炭性, 残炭量达到22.2%, 降低了总释热量, 降低幅度为32%, 使其氧指数提高到36.4%, 垂直燃烧等级达到V-0级。Abstract: High density pine fiberboard (HDF) with good fire performance was successfully prepared by using flame retardants of industrial by-product(mainly composed of aluminum trihydrate Al(OH)3), zinc borate (2ZnO·3B2O3·3.5H2O) and boric acid (H3BO3). The mechanical properties, flame retardancy and char morphology were characterized and analyzed. The results show that there is a good synergistic effect on the flame-retardancy between Al(OH)3 and 2ZnO·3B2O3·3.5H2O and H3BO3 which can enhance the char formation up to 22.2% and reduce the total heat release with a dop of 32%, while the mechanical properties are well maintained. The limited oxygen index (LOI) of the flame retardancy board can reach up to 36.4% and the vertical burning test can reach V-0.
-
Key words:
- fiberboard /
- flame retardant /
- aluminum trihydrate /
- zinc borate /
- boric acid
-
点击查看大图
计量
- 文章访问数: 1487
- PDF下载量: 704
- 被引次数: 0
下载:
