Different types of processes to make nonwoven fabrics

1. J.N. GOVT. ENGG. COLLEGE
SUNDERNAGARPresentation
Non-Woven Technology
TE-604
ABHISHEK RANA
10BTD5090001
Textile Engineering
Stages of making non-
woven fabrics

2. o Web Formation
o Web Bonding
o Finishing Treatment
Non Woven
Fabric Web
Staple Fiber
Web
Dry laid
Web
Parallel Laid Cross Laid
Randomly
Laid
Wet Laid
Web
Continuous
Filament
Web
Spun laid
Web
Melt Blown
Web

3. Raw
Material
Dry-laid process Wet-laid process Extrusion
Process
Natural fibers
Man made fibers
Inorganic fibers
Short Fibers, cellulose Granules
Preparatio
n
Opening of loose material,
blending
Blending, manufacturing of
fiber-water suspension
Fiber
forming
Fiber
forming
Film
forming
Web
Forming
Carding
process
Aerodynami
c process
Spreading of suspension
into screen belt
 Direct
drawing off
 Electrostatic
field
 Melt blowing
Filament
Drawing
 Mechanical
 pneumatic
Filament
treatment
 Filtration
 Embossing
 penetrationParallel laid
web
Cross laid
web
Random
laid web
(Fiber
drawing)
Laying
down
Laying
down into a
screen belt
Laying and
covering
with light
weight web
Mechanical, thermal,
chemical
Web
bonding
Processing
of non-
woven
Mechanical, thermal,
chemical
Finishing, dyeing, printing,
coating
Finishing, dyeing, printing,
coating
Finishing,
dyeing,
printing,
coating
Finishing,
dyeing,
printing,
coating
Finishing,
dyeing,
printing,
coating
Product Fiber nonwoven Fiber nonwoven
Spun bonded
nonwoven from
finer fibers
Spun bonded
nonwoven from
filaments
Film Fiber
Nonwoven