The preparation technology and its effect factors for polyvinyl formal foam plastic by way of mechanical foaming method were studied.
本文论述了用机械发泡法制备聚乙烯醇缩甲醛泡沫塑料的工艺及其影响因素。
The results showed that the physical and mechanical properties of bio-fiber composites can be improved though foaming.
研究结果表明：以碳酸氢钠为发泡剂对生物质纤维基复合材料进行发泡可以有效提高材料的物理力学性能。
Expended polypropylene (EPP) has become an ideal foaming material choice due to its good thermal stability, high mechanical strength, and degradable environmental suitability.
发泡聚丙烯(EPP)以其耐热性好、力学强度高、可降解等优良特性已逐渐成为当今发泡材料的理想选材。
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