LEATHER TECHNOLOGY

This course is designed for senior students of the Chemistry Department as an elective course. Prerequisite: CHEM415  Requirements: 3 class hours a week, 2 field trips, 1 term paper, quizes.

1.What is leather?	16.Deliming and bating
2.Chief processes in leather manufacture:	17. Pickling
3.Skin structure	18. Paraffin degreasing
4.Collagen	19.Tannage
5.Keratin	a) Mineral tannage
6.Non-proteinous skin components	b) Vegetable tannage
7.Skin components and water	c) Aldehyde tannage
8.Flaying	d) Oil tannage
9.Curing	20.Syntans
10.Soaking	21.Dyestuffs and dyeing
11.The physical chemistry of raw hide  and   curing  process	22.Fatliquoring
12.Collagen swelling in water solutions  Melting & shrinkage temperature	23.Finishing
13.Enzymes	24.References
14.Unhairing and Liming	25.Projects
15.Fleshing and splitting