<***N style="FONT-FAMILY: Arial; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">做为制孔剂，制造的膜有很多优异性能。具有化学性质稳定性；能有效地控制膜孔径的尺寸和孔的分布<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">；<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">增加膜孔的密度，提高膜的渗透性；改善膜表面的亲水性，良好的生物相容性<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。<***N style="FONT-FAMILY: Arial; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>

<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">膜分离是近年来进行分离的一种非常重要的手段，诸如溴代聚苯醚膜（<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）的分离膜的性能是该手段成功与否的关键因素。<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">是一种物理、化学性能稳定的热塑性聚合物，成膜性能十分优异，在气体分离方面已展示了良好的应用前景，但在实际应用中好有些不理想，如由于<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">膜极性较弱，对醇<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> / <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">***的分离效率不够理想，采用极性较强的<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> PVP <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">与<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">共混以提高膜材质的极性，通过调节<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> PVP/BPPO <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">的比例，使膜具有适当的通量和选择性，研究表明，<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> PVP <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">含量为<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> 10% <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">的共混交联膜性能十分明显，对于<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> 6.4% <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">的**溶液，在<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> 30 <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">度下其通量为<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> 1.775g /m² .h <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">，而选择性提高到<***N style="FONT-FAMILY: ˎ̥; FONT-SIZE: 12pt" lang=EN-US> 88% <***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">。<***N style="FONT-SIZE: 12pt" lang=EN-US>

<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可用于各种功能膜材料的制造中，以改进膜的选择性<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。例如，在**纤维素中加入<***N style="FONT-SIZE: 12pt" lang=EN-US>1-4<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">％的<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，所制成的血液透析膜只能透过<***N style="FONT-SIZE: 12pt" lang=EN-US>inulin<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">而不能透过血浆。在羟丙基纤维素中增加<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的含量，可增加水蒸汽的透过率。**邻苯二酸纤维素与<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">制成的膜可以作为过滤有机溶剂的反渗透膜。用<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">也可以改进海水脱盐的反渗透膜，提高其透过率。在用各种不同的高分子材料制备超滤、纳滤膜的工艺中，各种不同分子量的<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">被广泛用作致孔剂，从而得到具有各种不同分离精度，不同适应性能的膜分离材料广泛应用于海水淡化、水处理、产品的浓缩和提纯。<***N style="FONT-SIZE: 12pt" lang=EN-US>

<***N style="FONT-SIZE: 12pt">环保水处理事业的发展对<***N lang=EN-US>PVP产品有较大需求支撑 <***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">膜分离法污水处理及净水处理工艺已经成为当今这一产业的主流工艺，其中纳滤、或超滤用<***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang=EN-US>PVDF<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">膜是膜工业中的重要组成部分<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，其成膜致孔剂<***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang=EN-US>K30<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">的使用量目前已经有<***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang=EN-US>3000MT/a<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">的消费量，<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">随着世界水资源的稀缺程度的日益增加、水的回收利用的经济价值日益突显、以及各主要**对环境治理的加强，未来<***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang=EN-US>3-5<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">年<***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang=EN-US>PVPK30<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">在环保水处理行业使用量达到或超过<***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang=EN-US>10000<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">吨的可能性非常大。