玻化微珠发泡保温板正交试验研究

Study on Thermal Insulation Glazed Hollow Bead Foaming Board by Orthogonal Test

玻化微珠发泡保温板是一种导热系数低、A级防火的新型无机保温板材。试验对原材料对玻化微珠发泡保温板性能的影响规律进行了研究,确定了其最优配合比。采用三因素三水平正交试验方法,测定不同玻化微珠、二氧化硅气凝胶和外加剂掺量下的玻化微珠发泡保温板导热系数和抗压强度。试验结果表明:影响玻化微珠发泡保温板导热系数和抗压强度的因素顺序为:玻化微珠>二氧化硅气凝胶>外加剂。玻化微珠对导热系数影响显著,二氧化硅气凝胶和适量外加剂可弥补保温材料掺量增加引起的强度损失。

Thermal insulation glazed hollow bead foaming board is a new kind of the inorganic insulation board.It has low thermal conductivity and class A fire rating.In order to determine the optimal proportioning,the effect of the materials on the thermal insulation glazed hollow bead foaming board was researched in the test.The thermal conductivity and compressive strength of the insulation board were studied in different glazed hollow bead,silica aerogel and admixture content by three factors and three levels orthogonal test.The results indicated that the thermal conductivity was the primary factor,then the silica aerogel and last the admixture.The glazed hollow bead influenced thermal conductivity significantly,silica aerogel and admixture content could make up for the loss of the strength caused by the addition of glazed hollow bead.