Theory of Pretanning and Tannng detail TNDTE Diploma syllabus for Leather Technology (LT), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (39033), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.
For all other leather tech 3rd sem syllabus for diploma m scheme tndte you can visit Leather Tech 3rd Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for theory of pretanning and tannng is as follows.
Rationale:
Detailed Content:
Unit I
Curing – principles of curing – Salt stain – redheat formation – salt less or less salt curing use of bio-cides .Principles of soaking – various methods of soaking – use of wetting agents and other auxiliaries in soaking process – Liming – Chemistry of unhairing – Swelling of collagen-osmatic swelling – lytrophic swelling – enzymatic unhairing -Sharpening agents.
Unit II
For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. It’s a lightweight, easy to use, no images, no pdfs platform to make students life easier.
Unit III
Vegetable Tannins – Occurrence and classification – Chemistry of Hydrolysable Tannins – Chemistry of Condensed Tannins – Study of Tanning Materials like Avaram, Konnam, Wattle, Babul, Myrobalan, Quebracho etc. Manufacture of Vegetable tanning extracts – Factors involved in Vegetable Tanning – Non tannins and their effect on the physical properties of leather -Mechanism of vegetable tannage
Unit IV
Chemistry of Chromium complexes – Preparation of Chromium liquors – Werner’s co-ordination theory of Chromium complexes – Basicity -Olation, Oxalation and aggregation – Charge characteristic – Effect of the addition of masking salts – Effect of PH, concentration, Nature of Complex, Salt and Temperature -High chrome exhaust aids -Mechanism of Chrome Tannage.
Unit V
For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. It’s a lightweight, easy to use, no images, no pdfs platform to make students life easier.
Reference Books:
- Chemistry of Tanning Process – by K.H. Gustavson Academic Press Newyork.
- Introduction to the Principles of Leather Manufacture by S.S. Dutta – Indian Leather Technologist Association, Calcutta.
- Theory and Practice of Leather Manufacture by K.T. Sarkar, Ajoy Sorcar, Madras.
- Asian Productivity Organisation – Lecture Notes on Leather
For detail syllabus of all other subjects of BE Leather Tech, M scheme do visit Leather Tech 3rd Sem syllabus for M scheme.
Dont forget to download iStudy Syllabus App for latest syllabus and results, class timetable and more.