泡沫铝是一种新型的轻质结构功能材料.发泡剂是泡沫铝孔隙的形成和泡沫铝孔洞分布均匀的重要影响因素.综述了国内外发泡剂的种类和特点以及在泡沫铝中应用的最新研究进展.泡沫铝中气源主要分为Hz源和CO2气源,氢化物发泡剂应用较为普遍,碳酸盐发泡荆分解产物在泡沫铝中易于潮解而影响泡沫铝的使用.对于发泡剂高温下分解过快问题采取了热处理、化学改性、包覆等不同处理方法以减缓其释气速率.最后对发泡剂的发展提出了自己的见解.
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