Polyimide-Silica Hybrid Membranes

作者：vjohn at nsf18 日期：7/21/98 9:00 AM 优先级：普通 收件人：adthomas 主题：9811146 Marand 摘要 ---------------------------------------------- 消息内容 ---------------------------------------------- 摘要 提案编号：9811146 提案类型：研究者发起 首席研究员：Eva Marand 隶属关系：弗吉尼亚理工学院 此项拨款通过分离和纯化计划是化学和运输系统部门界面、运输和分离计划的子要素。首席研究员是弗吉尼亚理工学院暨州立大学的 Eva Marand 博士。该项目涉及聚合物陶瓷复合材料的开发，该复合材料可用作气体分离膜。掺入陶瓷组分的目的是增加聚合物的自由体积，其中陶瓷组分充当被迫延伸的聚合物链的支架。 陶瓷颗粒与聚合物共价连接，并通过溶胶-凝胶反应生成。 聚合物陶瓷膜在分离技术中具有巨大的潜力。陶瓷成分可以改善结构和运输。这项工作的结果对各种气体分离应用都有影响。

Author: vjohn at nsf18 Date: 7/21/98 9:00 AM Priority: Normal TO: adthomas Subject: 9811146 Marand abstract ------------------------------- Message Contents ------------------------------- Abstract Proposal No: 9811146 Proposal Type: Investigator Initiated Principal Investigator: Eva Marand Affiliation: Virginia Polytechnic Institute This grant is awarded through the Separations and Purification Program sub-element of the Interfacial, Transport and Separations Program of the Chemical and Transport Systems Division. The principal investigator is Dr. Eva Marand at Virginia Polytechnic Institute and State University. The project involves the development of polymer-ceramic composites that have applications as membranes for gas separations. The objective of incorporating the ceramic component is to enhance the free volume of the polymer where the ceramic component acts as a scaffold for the polymer chains which are forced to extend. The ceramic particles are covalently linked to the polymer and are generated through sol-gel reactions. Polymer-Ceramic membranes have a tremendous potential in separations technologies. The ceramic component can impart both structural and transport improvements. The results of this work has implications in a variety of gas separation applications.