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Amorphous Silica Micro Powder Additive Influence on Tensile Strength of One-Ply Particle Board

机译:非晶二氧化硅微粉添加剂对单层粒子板拉伸强度的影响

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The methods and results of experimental investigation on the additive influence of amorphous silica micro powder when mixed in the glue for one-ply particle board are presented in the article. Wooden particles of coniferous and hardwood species as well as glue solution based on carbamide-formaldehyde resin were used for boards manufacturing. The amorphous silica micro powder contained particles on the average 8 μm by the size and specific surface 120...400 m2/g was used in experiment. The samples were tested to determine their physical-mechanical properties. It was found that 1 % amorphous silica micro powder additive increases the breaking point of one-ply particle board under tensile stress by 143 %.
机译:本文介绍了在制品中涂上单层粒子板混合时无定形二氧化硅微粉添加剂影响的实验研究的方法和结果。基于氨基甲酰胺 - 甲醛树脂的针叶树和硬木种类的木颗粒用于板材制造。无定形二氧化硅微粉在实验中使用平均8μm的平均8μm的颗粒。400m 2 / g在实验中使用。测试样品以确定其物理机械性能。发现1%的无定形二氧化硅微粉添加剂在拉伸应力下增加单层粒子板的断裂点143%。

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