. In addition, the bands at 1070 and 1237 cm1 of CS and SF characteristics, respectively, were slightly shifted from their pure films, supporting an occurrence of intermolecular interactions between CS and SF in the blend films.
. In addition,the bands at 1070 and 1237 cm1 of CS and SF characteristics,respectively, were slightly shifted from their pure films, supportingan occurrence of intermolecular interactions between CS and SF inthe blend films.