研究了一种新型聚乙二醇(PEG)基热塑性粘结剂,它由高密聚乙烯、聚乙二醇、聚合物W、硬脂酸、邻苯二甲酸二辛脂和抗氧剂等组成。新型PEG基粘结剂与Fe-2Ni粉具有较强的相互作用,混合均匀性好,且粉末装载量高,喂料注射成形性好。用新型PEG基粘结剂和Fe-2Ni粉所制备的喂料是一种假塑性流体,具有良好的流变性能。新型PEG基粘结剂用乙醇溶剂脱脂,速度快、缺陷少、维形能力强,且可避免环境污染。
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