Water retention agent is a kind of man-made high-hygroscopicity resin, which has super absorbent and maintaining capacity of water.
保水剂又称吸水剂、高吸水性树脂，是人工合成的一种具有超高强吸水、保水能力的高分子聚合物。
In this paper, research and development of PVA super water absorbent resin are introduced.
介绍了聚乙烯醇(pva)系高吸水树脂的国内外研究开发情况。
The characteristic properties of PVA super water absorbent resin compared with other absorbent resin are detailed.
对pva系高吸水树脂与其它类型高吸水树脂相比的性能特点进行了详细描述。
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