| DAY
1 |
| Introduction
– What is leather? |
| Raw
Materials |
| |
-
Sourcing hides and skins |
| |
-
The supply chain from farm to tanner |
| |
-
Hide and skin defects and causes |
| |
|
| The
Structure of Skin |
| |
-
The role of collagen |
| |
-
The areas of a hide |
| |
-
Fibre structure variation (cow, sheep, goat and pig) |
| |
|
| Preservation
Techniques |
| |
-
Salting |
| |
-
Brining |
| |
-
Chilling / Icing |
| |
-
Drying |
| |
|
| Process
Vessels |
|
| |
-
Drums |
| |
-
Paddles |
| |
-
Processors |
| |
|
| Process
Control Parameters |
| |
-
pH |
| |
-
Temperature |
| |
-
Mechanical action |
| |
-
Specific gravity |
| |
|
| Beamhouse
Processes (Preparation for Tannage) |
| |
Soaking |
| |
Function,
process and control parameters |
| |
Liming
and unhairing |
| |
Function,
process and control parameters |
| |
|
| END
OF DAY 1 |
| |
|
|
| DAY
2 |
| Brief
Recap of Day 1 |
| Beamhouse
Processes Continued |
| |
Fleshing
and splitting operations |
| |
|
| |
Deliming |
| |
Function,
process and control parameters |
| |
Bating |
| |
Function,
process and control parameters |
| |
Pickling |
| |
Function,
process and control parameters |
| |
Degreasing |
| |
Function,
process and control parameters |
| |
|
| Tannage |
| |
-
Purpose of tanning |
| |
-
Selection of tanning material |
| |
|
| |
Vegetable |
| |
Process
and control parameters |
| |
Chromium
and other mineral tannages |
| |
Process
and control parameters |
| |
Aldehyde |
| |
Process
and control parameters |
| |
Oil |
| |
Process
and control parameters |
| |
Syntans
and resins |
| |
Process
and control parameters |
| |
|
| Mechanical
Processes |
| |
-
Samming |
| |
-
Splitting |
| |
-
Shaving |
| |
|
| END
OF DAY 2 |
| |
|
|
| DAY
3 |
| Brief
Recap of Day 2 |
| Post
Tannage |
| |
Neutralise |
| |
Function,
process and control parameters |
| |
Retan |
| |
Function,
process and control parameters |
| |
Dye |
| |
Function,
process and control parameters |
| |
Fatliquor |
| |
Function,
process and control parameters |
| |
Specialist
treatments |
| |
Function,
process and control parameters |
| |
Settting |
| |
|
| Drying
Techniques |
| |
-
Hang |
| |
-
Toggle |
| |
-
Paste |
| |
-
Vacuum |
| |
-
Other |
| |
|
| |
Condition |
| |
Function,
process and control parameters |
| |
|
| Mechanical
Processes |
| |
-
Stake |
| |
-
Buff and de-dust |
| |
|
| Finishing |
| |
-
Why do we finish? |
| |
-
Formulation of finishes |
| |
|
| |
Application
methods |
| |
-
Padding |
| |
-
Spraying |
| |
-
Roller coater |
| |
|
| |
Special
effect leathers |
| |
-
Embossed |
| |
-
Pull-up |
| |
-
Antique |
| |
-
Crackle |
| |
-
Foils |
| |
|
| Leather
Types and Definitions – aniline, semi aniline, pigmented,
suede, nubuck etc |
| Testing
to Ensure ‘Fitness for Purpose’ |
| |
| END
OF COURSE |