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原子转移自由基聚合制备高分子超滤膜技术进展 被引量:1

Advances in fabrication of polymer UF membrane by atom transfer radical polymerization
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摘要 原子转移自由基聚合(ATRP)是近十几年来发展起来的高效"可控/活性"聚合新技术。ATRP技术自1995年发现后,将金属催化剂与配位基结合可以控制结构,获得窄分子质量分布。通过ATRP技术在膜表面和膜材料上接枝或嵌段亲水高聚物来制备抗污染、抗菌超滤膜,包括用于生物分离色谱的高效离子交换膜。由于ATRP随反应时间、反应单体和引发剂浓度可以线性控制接枝或嵌段链密度和长度,这使亲水性材料稳定的键合在疏水膜材料上,也有效调控了基膜的孔尺寸和分布,使膜的分离性能有所提高和改善。ATRP技术已成为设计和合成优良新型材料和膜的基础手段。 原子转移自由基聚合(ATRP)是近十几年来发展起来的高效"可控/活性"聚合新技术。ATRP技术自1995年发现后,将金属催化剂与配位基结合可以控制结构,获得窄分子质量分布。通过ATRP技术在膜表面和膜材料上接枝或嵌段亲水高聚物来制备抗污染、抗菌超滤膜,包括用于生物分离色谱的高效离子交换膜。由于ATRP随反应时间、反应单体和引发剂浓度可以线性控制接枝或嵌段链密度和长度,这使亲水性材料稳定的键合在疏水膜材料上,也有效调控了基膜的孔尺寸和分布,使膜的分离性能有所提高和改善。ATRP技术已成为设计和合成优良新型材料和膜的基础手段。
出处 《现代化工》 CAS CSCD 北大核心 2011年第S2期13-17,19,共6页 Modern Chemical Industry
关键词 原子转移自由基聚合 超滤膜 膜改性 atom transfer radical polymerization(ATRP) ultrafiltration membrane membrane modification
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