نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشگاه آزاد اسلامی واحد علوم و تحقیقات، گروه مهندسی نساجی
2 دانشگاه آزاد اسلامی واحد تهران جنوب، گروه مهندسی نساجی
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
Due to polymer chains spatial and complexities arising in spinning dope preparations there has not been much effort made on production of starch fibers. In this study, a new procedure based on wet spinning is introduced for dope spinning in a rotational coagulation bath by choosing a suitable solvent. Wheat starch solubility was tested in different solvents including water, water/alkaline, water/DMSO and DMSO. Then, suitable spinning dopes were injected into a rotating coagulation bath containing water/alcohol and ready staple fibers were collected by filtration. As-spun fibers were evaluated by scanning electron microscope, Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) and tensile mechanical tests. The results showed that among all solvents, DMSO was the most suitable solvent. Staple fibers of fine (3-5 μm) and amorphous morphology were obtained by using wet spinning method in a rotational coagulation bath, which have potential application in paper and medical industries considering thelengths and small diameters of the fibers obtained.
کلیدواژهها [English]