Using tri-functionality polyoxytrimethylene alcohol ether and polyethylene glycol, synthetize polyurethane elastomer with water absorption expansion rate of0~200%.
采用三官能度的聚氧化丙烯醚醇、聚乙二醇，合成了吸水膨胀率在0～200%的聚氨酯弹性体。
The qualities of extrusion products include some physical and nutritional characteristics, for example, expansion rate, water absorption, texture, etc.
膨化产品质量的评价指标包括膨化率、吸水性和质构等物性指标，以及产品的营养成分。
The qualities of extrusion products include some physical and nutritional characteristics, for example, expansion rate, water absorption, texture, etc.
膨化产品质量的评价指标包括膨化率、吸水性和质构等物性指标，以及产品的营养成分。
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