Tengku Rachmi Hiadayani, B. Wirjosentono, D. Nasution, T. Tamrin
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引用次数: 0
摘要
。以原浆污泥(仍含纤维素)和粉煤灰为填料,生产复合泡沫聚苯乙烯(PS)基吸声材料,对纸浆废渣的利用和利用价值进行了探索。采用PS、PS/PS-g- ma /初级污泥/粉煤灰(80/10/10/0)、(80/10/7/3)、(80/10/5/5)、(75/10/10/5)、(75/10/12/3)等组合制备复合泡沫材料。采用ISO 11654:1997、力学性能、热分析(TGA和DSC)、形貌分析(SEM)、结晶度分析(XRD)和化学分析(FTIR)对复合材料进行了表征。结果表明,在1600.63 cm -1处,由于PS、原生污泥和粉煤灰之间发生化学反应,波段更加锐利。XRD分析表明,在2号 21-24 o处出现了新的衍射峰。形貌分析表明,初级污泥和粉煤灰均匀分散在PS中,提高了PS泡沫复合材料的力学性能,降低了PS泡沫复合材料的熔点。所生产的吸声复合材料吸声系数达到ISO 11654:1997吸声等级D、C级房间材料吸声系数等级,值为w 0.328-0.793。
Preparation and Characterization of Sound-Absorbent Based on Polystyrene Reinforced Primary Sludge and Fly Ash from Pulp Mill
. Efforts to utilize and improve the value of pulp waste have been done by using primary sludge (still containing cellulose) and fly ash as a filler to produce composite foam polystyrene (PS)- based as sound absorbent. In this study, the composite foam was produced by mixing primary sludge and fly ash with several compositions such as PS, PS/PS-g-MA/primary sludge/fly ash (80/10/10/0), (80/10/7/3), (80/10/5/5), (75/10/10/5), and (75/10/12/3). The composite was characterized based on ISO 11654:1997, mechanical properties, thermal analysis using TGA and DSC, morphology using SEM, crystallinity using XRD, and chemical analysis using FTIR. The results showed that the band at 1600.63 cm -1 was sharper due to a chemical reaction being formed between PS, primary sludge, and fly ash. The XRD analysis showed a new diffraction peak in the 2 = 21-24 o . The morphology analysis showed that primary sludge and fly ash were uniformly dispersed into PS, increasing the mechanical properties and decreasing the melting point of the PS foam composite. The sound-absorbing composite produced had qualified ISO 11654:1997 on the rating level of the sound absorption coefficient on materials for rooms with sound absorption classes D and C with the value of w 0.328-0.793.
期刊介绍:
The IJTM aims to provide a refereed and authoritative source of information in the field of managing with technology, and the management of engineering, science and technology. It seeks to establish channels of communication between government departments, technology executives in industry, commerce and related business, and academic experts in the field.