Leather Chemicals and Auxiliaries detail TNDTE Diploma syllabus for Leather Technology (LT), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (39061), 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 6th sem syllabus for diploma m scheme tndte you can visit Leather Tech 6th Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for leather chemicals and auxiliaries is as follows.
Rationale:
Detailed Content:
Unit I
Acids , Bases and salts for leather manufacture – General manufacturing methods of pre tanning chemicals-salt, lime, sodium hydroxide. Sodium carbonate, ammonium chloride, ammonium sulphates etc.Enzymes -preparation of enzyme based unhairing agents and bating agents -Evaluation and quality control.
Unit II
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Unit III
Theory of Leather Lubrication, composition of fat liquors, Chemical classification natural and synthetic oils, Sulphation, Sulphonation, Sulphitation reactions of oils, Sulpho chlorination, esterification, phosphorylation reactions of fat liquor preparation – Stability of emulsions, grain and particle sizes of emulsions – criteria for choice of oil formulation for fat liquors.
Unit IV
Introduction to the Chemistry and technology of dye manufacture -Chemistry and application of dyeing auxiliaries such as dye-leveling agents – dye penetrating agents – dye dispersing agents and dye fixatives. Classification of pigments, chemistry and methods of preparation of pigments – Properties required of pigments.
Unit V
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Reference Books:
- Acrylics and their uses in Leather Manufacture by Rajadurai S and Kulasekaran S. C.L.R.I. Publication.
- The Leather Industry Kothari’s Desk Book Series S. Sadulla – H.C. Kothari Group Publication Division. Chennai.
For detail syllabus of all other subjects of BE Leather Tech, M scheme do visit Leather Tech 6th Sem syllabus for M scheme.
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