S.No

Modules

No. of Hours

1

Module 1: Overview of nonwovens

9

Chapter 1.1: Nonwovens: What are they?

Definitions of nonwovens.

1

Chapter 1.2: Nonwovens: How do they look like?

Elements of nonwovens, Fibre geometry, Structure of fibrous webs.

6

Chapter 1.3: Nonwovens: How are they created?

Basic nonwoven processes and their sequences.

2

2

Module 2: Staple-fibre based processes

9

Chapter 2.1: Staple fibre preparation processes

Raw materials, Fibre opening and mixing processes.

2

Chapter 2.2: Staple fibre web formation processes

Carding process, Parallel-lay process, Cross-lay process, Perpendicular-lay process, Air-lay process, Wet-lay process.

7

3

Module 3: Web bonding processes

10

Chapter 3.1: Mechanical bonding processes

Needle-punch process and Hydroentanglement process.

4

Chapter 3.2: Thermal bonding processes

Principles of thermal bonding, Calender bonding process, Through-air bonding process, Infra-red bonding process, Ultrasonic bonding process.

3

Chapter 3.3: Chemical bonding processes

Chemical binders, Methods of binder applications, Saturation bonding process, Foam bonding process, Spray bonding process, Print bonding process, Methods of drying.

3

4

Module 4: Polymer-extrusion based technologies

6

Chapter 4.1: Spunbond technology

Raw materials, Process sequence, Machine elements, Commercial systems, Key process factors.

3

Chapter 4.2: Meltblown technology

Raw materials, Process sequence, Machine elements, Commercial systems, Key process factors.

3

5

Module 5: Finishing processes

6

Chapter 5.1: Mechanical finishing

Mechanical finishes and Methods of applying mechanical finishes.

3

Chapter 5.2: Chemical finishing

Chemical finishes and Methods of applying chemical finishes.

3