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Chemical Foaming Agents and their Applications

机译:化学发泡剂及其应用

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摘要

Various types of thermoplastics are foamed commercially in the plastics industry. Besides physical foaming with gases or low boiling liquids chemical foaming can be done by decomposition of substances, which liberate gases. Chemical foaming agents are widely used in extrusion and injection molding and act as active nucleating agents in direct gassing processes. Apart from these standard processes, chemical foaming agents can be used in special applications like rotational molding or blow molding.
机译:在塑料工业中,各种类型的热塑性塑料可在商业上发泡。除了用气体或低沸点液体进行物理发泡外,化学发泡还可以通过释放气体的物质分解来实现。化学发泡剂广泛用于挤出和注塑成型中,并在直接放气过程中用作活性成核剂。除这些标准工艺外,化学发泡剂还可用于特殊应用,例如滚塑或吹塑。

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