Автор работы: Пользователь скрыл имя, 06 Мая 2012 в 20:23, творческая работа
Many polymers in the solid (bulk) state undergo strain, either during processing such as extrusion, molding, and spinning or when in service and under load. Studies using solid-state NMR and FTIR showing how polymers respond to strain have contributed greatly to improving their mechanical behavior.