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本文主要叙述将粉煤灰作硬化性树脂及其原材料的填加剂。并且在加工成形时配以粉煤灰,使其加工性、成型性、尺寸稳定性、吸湿性及电特性等方面都得到改善。供研宄用的粉煤灰含未燃炭4—5％。将木粉与微粒粉煤灰(经硅烷偶合处理的)作填充剂配制的热硬化性树脂片和以微粒粉煤灰(经砖烷偶合处理的)做配料制得的热硬化性树脂片比较,无论是在热硬化性树脂原材料中配进粉煤灰,还是在热硬化性树脂成型时作为填充剂加入的粉煤灰,其结果是相同的。
This article mainly describes the use of fly ash as a filler for hardening resins and their raw materials. In combination with fly ash during processing, the processability, formability, dimensional stability, hygroscopicity, and electrical properties are improved. The fly ash used for mortar research contains 4-5% of unburnt carbon. A comparison of a thermosetting resin sheet prepared by using a wood flour and a particulate fly ash (having a silane coupling treatment) as a filler as a filler and a thermosetting resin sheet produced by compounding a particulate fly ash (branched and alkane-treated) Whether the fly ash was blended into the thermosetting resin raw material or the fly ash was added as a filler during the molding of the thermosetting resin, the results were the same.