Densely Charged Polymers

以乙烯基吡啶为基础，发现了一系列新的聚合物，其中烯丙基自由基和阴离子被吡啶阳离子基完全取代。这些“密集带电”的聚合物显示出有趣的特性。它们非常稳定。干聚烯丙基阴离子不导电，而多自由基在半导体范围内具有导电性。提出了一种新的聚合物结构，该结构将被制备，并可能具有有趣的导电和光传导特性。聚合物也可能具有特定的离子交换特性。该研究涉及许多具有不同程度交联的此类聚合物的制备和表征。这些聚合物的电学性能将被测试，这些测试的一个重要部分将是它们作为电极涂层材料的行为。这项资助是由材料化学倡议资助的。

A new series of polymers has been discovered based on polyvinylpyridine containing pendent allyl radicals and anions fully substituted with pyridinium cation groups. These "densely charged" polymers show interesting properties. They are remarkably stable. The dry polyallyl anions are not conducting, but the polyradicals have electrical conductivity in the semiconductor range. A new polymeric structure is proposed, which will be prepared and may have interesting conduction and photoconduction properties. The polymers may also have specific ion-exchange properties. The research deals with the preparation and characterization of a number of such polymers with varying degrees of crosslinking. The electrical properties of these polymers will be tested, and an important part of these tests will be their behavior as electrode-coating materials. This grant is being funded under the Materials Chemistry Initiative.