摘要通过改变发泡剂用量和采用不同密度泡沫组合，来改变聚氨酯结构泡沫整体的密度分布，研究了梯度密度聚氨酯泡沫塑料的性能。
起泡剂
blowing agent
暂无补充释义。
相关例句
自由基反应的引发剂，弹性体和塑料的发泡剂。
用途：自由基反应的引发剂，弹性体和塑料的发泡剂。
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