本研究以30%高爐爐石粉與70%煅燒高嶺土之混合物，當作
無機聚合物之原料，並添加氫氧化鈉及矽酸鈉溶液加以攪拌，再
採用機械發泡澆鑄方式，製作不同密度及厚度之發泡無機聚合
物。發泡無機聚合物之配比設計，包含密度0.7、0.6、0.5 及0.4g/cm3
共四種。另外，製作不同厚度之發泡無機聚合物單層板，包括10、
8、6 及4cm 共四種。首先，針對無機聚合物漿體進行黏度試驗，
並量測不同密度發泡無機聚合物之吸水率、孔徑分佈、抗壓強度
及抗彎強度。同時，量測並比較不同密度及厚度發泡無機聚合物
單層板於其表面批土前後之噪音穿透損失值。最後，由穿透損失
值獲得最佳厚度及最佳密度，再依此最佳厚度及密度，設計三種
不同泡沫孔徑之發泡無機聚合物單層板，並量測其穿透損失值。
由微結構及力學性質之試驗結果顯示，本研究所製作之發泡
無機聚合物，其品質控制已達均一性。另外，由穿透損失試驗結
果可知，發泡無機聚合物批土前，最佳厚度為8cm，最佳密度則
為0.6 g/cm3，批土後之發泡無機聚合物，試體厚度和密度對其穿
透損失值影響不大。本研究所探討三種不同泡沫孔徑，厚度為8cm
且密度0.6 g/cm3 之發泡無機聚合物單層板中，最大泡沫孔徑約為
最小者之3 倍，其批土前後之穿透損失值，並不因泡沫孔徑變化
而有所差異。

A combination of 30 wt% blast furnace slag and 70 wt.%
metakaolin was used as a raw material for the production of inorganic
polymers. Foamed inorganic polymers with various density and
thickness were made by using the alkali activating solution of sodium
hydroxide and sodium silicate and the mechanical foaming process.
Four different densities including 0.4, 0.5, 0.6 and 0.70.g/cm3 and four
different thicknesses of 4, 6, 8 and 10cm of foamed inorganic
polymers were produced. At first, the viscosity, water absorption,
pore size distribution, compressive strength and flexural strength of
the foamed inorganic polymer specimens were tested. Also, the
transmission loss of the foamed inorganic polymers with different
density and thickness were measured and compared to each other to
evaluate the effects of density and thickness. Consequently, the
optimum density and thickness were determined from experimental
results. Under the condition of the obtained optimum density and
thickness, the transmission losses of foamed inorganic polymers with
three different cell sizes were measured and then compared.
The microstructure characterization and the experimental results
of mechanical properties indicate that the quality control of foamed
inorganic polymers we produced is good. In addition, the optimum
thickness and density of foamed inorganic polymers without surface
coating are found to be 8cm and 0.6g/cm3 respectively from the
experimental measurements of transmission loss. However, theeffects of thickness and density become insignificant if foamed
inorganic polymers are coated on their both surfaces. Here, the
effect of cell size on the transmission loss of foamed inorganic
polymers with a density of 0.6g/cm3 and a thickness of 8cm can be
neglected even the larger cell size is 3 times of the smaller cell size.

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