<***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: 宋體; FONT-SIZE: 12pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">做為制孔劑，制造的膜有很多優(yōu)異性能。具有化學(xué)性質(zhì)穩(wěn)定性；能有效地控制膜孔徑的尺寸和孔的分布<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">；<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">增加膜孔的密度，提高膜的滲透性；改善膜表面的親水性，良好的生物相容性<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-bidi-font-family: 宋體; 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: 宋體; mso-font-kerning: 0pt" lang=EN-US>

<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">膜分離是近年來進(jìn)行分離的一種非常重要的手段，諸如溴代聚苯醚膜（<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">）的分離膜的性能是該手段成功與否的關(guān)鍵因素。<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">是一種物理、化學(xué)性能穩(wěn)定的熱塑性聚合物，成膜性能十分優(yōu)異，在氣體分離方面已展示了良好的應(yīng)用前景，但在實(shí)際應(yīng)用中好有些不理想，如由于<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">膜極性較弱，對醇<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> / <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">***的分離效率不夠理想，采用極性較強(qiáng)的<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> PVP <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">與<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> BPPO <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">共混以提高膜材質(zhì)的極性，通過調(diào)節(jié)<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> PVP/BPPO <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">的比例，使膜具有適當(dāng)?shù)耐亢瓦x擇性，研究表明，<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> PVP <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">含量為<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> 10% <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">的共混交聯(lián)膜性能十分明顯，對于<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> 6.4% <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">的**溶液，在<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> 30 <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">度下其通量為<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> 1.775g /m² .h <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">，而選擇性提高到<***N style="FONT-FAMILY: ??; FONT-SIZE: 12pt" lang=EN-US> 88% <***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: ??; mso-hansi-font-family: ??">。<***N style="FONT-SIZE: 12pt" lang=EN-US>

<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可用于各種功能膜材料的制造中，以改進(jìn)膜的選擇性<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。例如，在**纖維素中加入<***N style="FONT-SIZE: 12pt" lang=EN-US>1-4<***N style="FONT-FAMILY: 宋體; 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: 宋體; 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過<***N style="FONT-SIZE: 12pt" lang=EN-US>inulin<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">而不能透過血漿。在羥丙基纖維素中增加<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的含量，可增加水蒸汽的透過率。**鄰苯二酸纖維素與<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">制成的膜可以作為過濾有機(jī)溶劑的反滲透膜。用<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">也可以改進(jìn)海水脫鹽的反滲透膜，提高其透過率。在用各種不同的高分子材料制備超濾、納濾膜的工藝中，各種不同分子量的<***N style="FONT-SIZE: 12pt" lang=EN-US>PVP<***N style="FONT-FAMILY: 宋體; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">被廣泛用作致孔劑，從而得到具有各種不同分離精度，不同適應(yīng)性能的膜分離材料廣泛應(yīng)用于海水淡化、水處理、產(chǎn)品的濃縮和提純。<***N style="FONT-SIZE: 12pt" lang=EN-US>

<***N style="FONT-SIZE: 12pt">環(huán)保水處理事業(yè)的發(fā)展對<***N lang=EN-US>PVP產(chǎn)品有較大需求支撐 <***N lang=EN-US>

<***N style="FONT-FAMILY: 宋體; 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">膜分離法污水處理及凈水處理工藝已經(jīng)成為當(dāng)今這一產(chǎn)業(yè)的主流工藝，其中納濾、或超濾用<***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: 宋體" lang=EN-US>PVDF<***N style="FONT-FAMILY: 宋體; 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">膜是膜工業(yè)中的重要組成部分<***N style="FONT-FAMILY: 宋體; 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">，其成膜致孔劑<***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: 宋體" lang=EN-US>K30<***N style="FONT-FAMILY: 宋體; 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">的使用量目前已經(jīng)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: 宋體" lang=EN-US>3000MT/a<***N style="FONT-FAMILY: 宋體; 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">的消費(fèi)量，<***N style="FONT-FAMILY: 宋體; 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">隨著世界水資源的稀缺程度的日益增加、水的回收利用的經(jīng)濟(jì)價(jià)值日益突顯、以及各主要**對環(huán)境治理的加強(qiáng)，未來<***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: 宋體" lang=EN-US>3-5<***N style="FONT-FAMILY: 宋體; 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: 宋體" lang=EN-US>PVPK30<***N style="FONT-FAMILY: 宋體; 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">在環(huán)保水處理行業(yè)使用量達(dá)到或超過<***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: 宋體" lang=EN-US>10000<***N style="FONT-FAMILY: 宋體; 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">噸的可能性非常大。