italian version

Aims :

Students will deepen the knowledge of the fiber’s morphology and the fiber’s recognition, of the refining process and will perform some tests in the laboratory.

Topics :

Microscopic analysis of the cellulosic fibers. Tests on auxiliary chemicals. Tests on the process: refining curves, °SR e °CSF, retention, removal. Kajaani LC-100. Drying and humidification of the paper sheet. Some mechanical tests on the sheet. Measurement of sizing: Cobb test. Optical properties: brightness degree. Coating tests.

Textbooks :

E. Grandis, Prove sulle materie fibrose sulla carta e sul cartone, Aticelca: Torino, G. Poles, A. Della Giovanna, Analisi microscopica delle fibre naturali nella carta, Aticelca; Appunti del docente.

Exam :

The exam consists in the evaluation of the work done during the course, in the evaluation of the laboratory tets and in a oral examination about the theory.

Tutorial Session :

It will be defined together with the students.