聚乙烯醇(PVA)是一种用途广泛的水溶性高分子聚合物,其制备方法有乙烯直接合成法以及乙炔合成法2大类。介绍了聚乙烯醇生产技术现状,从聚合工艺、改性技术,生产装置设备以及“废水”处理等方面概述了近年来我国聚乙烯醇的生产技术研究新进展,指出了今后的发展建议。 Polyvinyl alcohol (PVA) is a widely used water-soluble polymer, its preparation methods are direct synthesis of ethylene and acetylene synthesis 2 categories. The status quo of polyvinyl alcohol production technology was introduced. The recent progress in research on production technology of polyvinyl alcohol in China was summarized in terms of polymerization process, modification technology, production equipment and equipment, and wastewater treatment. The future development suggestions .