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§1.研究目的松香皂是松香与氢氧化钠(钾)的中和产物,国家建设委员会办公厅曾於1955年5月10日印发一本内部小册子“关於基本建设工程中节约水泥的几项措施”,其中推荐使用二种加气剂,目的在节约水泥和改善混凝土的性质。其一是治淮委员会所出的热聚化合物加气
§ 1. Research purpose Rosin soap is a neutralized product of rosin and sodium hydroxide (potassium). The National Construction Committee Office issued an in-house booklet on May 10, 1955, “On Cement Engineering in Capital Construction Projects. “The measure”, which recommends the use of two types of air-entraining agents, aims to save cement and improve the properties of concrete. One of them is the aeration of hot compounds produced by the Huaihe River Committee.