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| LIF5050 | Paper Chemistry | 3+0+0 | ECTS:7.5 | | Year / Semester | Spring Semester | | Level of Course | Second Cycle | | Status | Elective | | Department | DEPARTMENT of FIBER and PAPER TECHNOLOGY | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face, Lab work | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | -- | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The students should obtain basic knowledge about the paper chemistry, included in the description. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | evaluate accessibility of cellulose and water chemistry in papermaking | 4,6,7,9 | 1,2,5 | | PO - 2 : | define flocculation and stabilization mechanism of suspensions by organic polymers in paper sheets | 4,6,7,9 | 1,2,5 | | PO - 3 : | summarize papermaking at acidic, alkali and neutral pH | 4,6,7,9 | 1,2,5 | | PO - 4 : | solve deposits and broke problems and to define retention aids | 1,3 | 1,2,5 | | PO - 5 : | evaluate chemical additives in paper sheet and to understand physical and chemical effects of them in paper sheets | 4,6,7,9 | 1,2,5 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| Applications of paper chemistry. Accessibility of cellulose. Water chemistry. Electrokinetics of the papermaking industry. Mechanisms of focculation and stabilization of suspensions by organic polymers. Retention aids. Deposits and broke problems. The characteristics of papermaking at acidic, alkali and neutral pH. Dyes and fluorescent whitining agents for paper physical and chemical aspects of the use of fillers in paper. Internal sizing |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | The lignocellulosic fibers used for papermaking and their properties | | | Week 2 | Use of chemicals in order to increase dry strength of paper | | | Week 3 | Use of chemicals in order to increase wet strength of paper | | | Week 4 | The colloidal phenomenons in papermaking | | | Week 5 | Aluminium chemistry | | | Week 6 | The retention mechanisms and chemicals | | | Week 7 | The use of filler materials in papermaking | | | Week 8 | The interaction between paper and water and internal sizing of paper
| | | Week 9 | Mid-term exam | | | Week 10 | The methods of surface sizing of paper | | | Week 11 | The production coloured paper and optics whiteners | | | Week 12 | The foam control in papermaking systems | | | Week 13 | The control methods of microorganism and pitch in papermaking system | | | Week 14 | Comparison of acidic, neutral and alkaline papermaking systems | | | Week 15 | Chemistry of process water in papermaking | | | Week 16 | End-of-term exam | | | |
| 1 | Gullichsen, J. Paulapuro, H. ve Neimo, L. 1999; Paper Chemistry, TAPPI Press, and Fapet Oy, Helsinki, Finlandiya. | | | 2 | Eklund, D. ve Lindström, T., 1991; Retention and Dewatering, Paper Chemistry. Dt Paper Science Publications, Grankula, Finlandiya. | | | 3 | Roberts J.C. 1996; Paper Chemistry, Blackie Academic & Professional, Glaskow, İngiltere. | | | |
| 1 | Hagemeyer, R. W., Manson, D. W. and Kocurek, M. J. 1992; Stock Preparation, TAPPI and CPPA Press: Monteral, Canada. | | | 2 | Eroğlu, H. ve Usta M., 2004. Kağıt ve Karton Üretim Teknolojisi, K.T.Ü. Basım evi, Trabzon. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 1 | 50 | | End-of-term exam | 16 | | 1 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 2 | 14 | 28 | | Laboratuar çalışması | 3 | 6 | 18 | | Arasınav için hazırlık | 10 | 3 | 30 | | Arasınav | 1 | 1 | 1 | | Kısa sınav | 1 | 1 | 1 | | Dönem sonu sınavı için hazırlık | 15 | 3 | 45 | | Dönem sonu sınavı | 1 | 1 | 1 | | Diğer 1 | 10 | 3 | 30 | | Total work load | | | 196 |
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