COURSE UNIT TITLE

: DENIM FINISHING TECHNOLOGIES

Description of Individual Course Units

Course Unit Code Course Unit Title Type Of Course D U L ECTS
TEX 4555 DENIM FINISHING TECHNOLOGIES ELECTIVE 1 2 0 4

Offered By

Textile Engineering

Level of Course Unit

First Cycle Programmes (Bachelor's Degree)

Course Coordinator

ASSOCIATE PROFESSOR GÖKHAN ERKAN

Offered to

Textile Engineering

Course Objective

In recent years, denim fabrics have become one of the important tools of the fashion industry. In addition to daily clothing, haute couture clothes are also frequently used. The products produced from denim fabrics are subjected to many different processes and thus different effects are gained from each other.

In this course, the historical development of denim fabrics, indigo dyestuff, indigo dyeing processes, wet and dry finishing processes will be examined.

Learning Outcomes of the Course Unit

1   To have general knowledge on denim fabrics
2   To understand indigo dyeing mechanism and methods
3   To learn wet and dry processes of denim garments and their effects
4   To get knowledge on agents that are used in denim washing
5   To learn machinery used in denim washing
6   Calculation and practice of recipes for denim washing processes

Mode of Delivery

Face -to- Face

Prerequisites and Co-requisites

None

Recomended Optional Programme Components

None

Course Contents

Week Subject Description
1 Definition of denim, History of denim, Types of denim, Effects of denim on fashion,
2 Chemistry of indigo, Indigo dyeing techniques, Traditional techniques, Rope dyeing, Slasher dyeing, Double sheet dyeing, practice: indigo dyeing
3 Indigo dyeing (continue),.Indigo dyeing machines, Factors affecting indigo dyeing, Analyses during and after indigo dyeing, practice: indigo dyeing
4 Non-indigo dyestuffs for denim:-Sulphur dyes-Reactive dyes-Natural dyes, practice: dyeing with sulphur dyes.
5 Dyeing technologies for denim garments, practice: dyeing with reactive dyes.
6 Printing of denim products, Introduction to denim washing, Denim washing machinery 6.4. Laboratory practice
7 Desizing,. Rinse/normal washing, practice: rinse washing.
8 Stone washing, Tinting, practice: rinse washing
9 Simultaneous stone washing and tinting, practice: enzyme washing
10 Enzyme washing, Enzymes in washing of denim products, Simultaneous stone and enzyme washing, practice: enzyme washing
11 Bleaching of denim products, Hypochlorite wash, Permanganate wash, Hydrogen peroxide treatment, Ozone fading, practice: hypochloride treatment.
12 Finishing of denim products-Resin finish-Coating-Functional finishing, practice: permanganate treatment.
13 Physical treatments -Sanding-Whiskers-Sand blasting-Brushing-Grinding, Laser fading, practice: softening.
14 Mill visit

Recomended or Required Reading

Muthu, S.S., Sustainability in Denim, Elsevier, UK, 2017.
Paul, R., Denim Manufacture, Finishing and Applications, Elsevier, UK, 2015.

Planned Learning Activities and Teaching Methods

Presentations, laboratory practice

Assessment Methods

SORTING NUMBER SHORT CODE LONG CODE FORMULA
1 MTE MIDTERM EXAM
2 LAB LABORATORY
3 FIN FINAL EXAM
4 FCG FINAL COURSE GRADE MTE*0.40 + LAB *0.10 + FIN * 0.50
5 RST RESIT
6 FCGR FINAL COURSE GRADE (RESIT) MTE*0.40 + LAB *0.10 + RST * 0.50


Further Notes About Assessment Methods

None

Assessment Criteria

Midterm 40%, Laboratory 10%, Final 50%

Language of Instruction

English

Course Policies and Rules

Attendanceshould be required.

Contact Details for the Lecturer(s)

Assoc. Prof. Dr. Gökhan ERKAN
Dokuz Eylül Üniversitesi Tekstil Mühendisliği Bölümü
Tınaztepe Yerleşkesi Buca Izmir

Office Hours

To be announced.

Work Placement(s)

None

Workload Calculation

Activities Number Time (hours) Total Work Load (hours)
Lectures 14 1 14
Labratory 11 2 22
Preparations before/after weekly lectures 14 3 42
Preparation for midterm exam 1 9 9
Preparation for final exam 1 9 9
Field study 1 3 3
Final 1 1,5 2
Midterm 1 1,5 2
TOTAL WORKLOAD (hours) 103

Contribution of Learning Outcomes to Programme Outcomes

PO/LOPO.1PO.2PO.3PO.4PO.5PO.6PO.7PO.8PO.9PO.10PO.11
LO.12
LO.21
LO.34
LO.42
LO.53
LO.6555