Cross polarization — magic angle spinning NMR studies of carbohydrates and aromatic polymers.- Deuteron NMR — a new tool for studying chain mobility and orientation in polymers.- Cross polarization-magic angle sample spinning NMR studies.- Determination of molecular orientation by spectroscopic techniques.- Microhardness relating to crystalline polymers.- The mesophase and its influence on the mechanical behaviour of composites.- Characterization of the morphological fine structure of commercial thermosetting resins through hygrothermal experiments.