Apply Now
Textile Raw Materials
Contents
Introduction to nonwovens
Definition of nonwovens
Nonwoven manufacturing processes
Nonwoven properties and applications, including environmental considerations
Development of the nonwovens industry
Future perspectives
Part 1 Raw materials for the production of nonwovens
Fibrous material
Natural fibres
Vegetable fibres
Animal fibres
Chemical fibres
Chemical fibres made from natural polymers
Man-made fibres from synthetic polymers
Modification of synthetic fibres
Glass fibres
Silicate fibres
Carbon fibres
Boron fibres
Metal fibers
Reclaimed fibres
Basics
Making textile waste into reclaimed fibres
Pre-treatment
Principle of reclaiming
Subsequent treatment
Reclaimed fiber application
Contents
Other raw materials
Cellulose
Granules
General discussion of physical properties
Polyolefin’s
Polyesters
Polyamides
Powders
Polymer powders
Polyacrylonitrile
Further copolymers
Additives
Stabilizers
Pigments
Absorbent polymers
Absorption mechanism
Production process
Suspension process
Suspension polymerization
Solution polymerization
Surface cross linking
In-situ-polymerization
Test methods
Characteristic data of absorbent polymer
Field of application
Summary
Spin finishes
General
Definitions
The requirements placed on spin finishes
Compositions of spin finishes
Man-made fiber production
Processing
Test methods
Test methods
Tests on the spin finishes
Man-made fiber production
Processing
Test methods
Tests on the spin finishing agent
Tests on spin finished fiber material
Spin finishes on nonwovens
General
Nonwoven fabric manufactures and spin finishes
End product and spin finish
Future prospects
Binders
Introduction
Binder fluids
Chemical structure, construction principle monomers
Functional groups, cross linking agents
Binder fluids and the properties of nonwoven fabrics
Focal points of development
Adhesive fibers
Hotmelt adhesive fibers
Appearance
Chemical structure
Mechanism of bonding
Properties
Processes to manufacture nonwovens
Dry-law process
Nonwoven fabrics
Fiber preparation
Production of fibrous webs by carding
Roller carding theory
Plant technology
Web forming
Web drafting
Fiber webs following the aerodynamic procedure
Aim of the procedure
Machines for aerodynamic web forming
Perpendicular laid fibrous high lofts STRUTO and ROTIS
Technologies of production perpendicular laid high lofts
Properties of perpendicular laid high lofts
Extrusion nonwovens
Use of polymers
Generally, on the process technology and equipment to be used
Processes to make spun laid nonwovens and composites
Processes to make fine-fiber spun bonded nonwovens
Melt blowing process
Electrostatic spun bonding
Processes to make film nonwovens
Wet lay method
Principle of the method
Development
Raw materials and fiber preparation
Fiber types
Production of short-staple fibers
Binders
Fiber preparation
Construction of wet lay systems
Web forming
Bonding
Adding the binder fibers
Adding binder dispersions to the pulp
Adding the binder to nonwoven web
Pressing
Web drying
Circulating-air dryers
Tunnel dryers
Radiation drying
Batching
Web bonding
Needling process
The principle of needling
Batt feeding
Needling zone
Felt removal
High-performance needling technique
Surface structuring
Paper machine clothing
Needle characteristics
Influence of needling conditions on the needle felt’s
Characteristics
Loop formation processes
System of processes
Stitch-bonding process with base material
Pile stitch-bonding process with base material
Loop stitch-bonding without base material
Loop stitch-bonding with double-sided meshing
Warp knitting
Knitting
Hydro entanglement process
Process development
Fiber and process influence
Bonding lines
Thermal processes
Drying
Convection drying
Contact drying
Radiation drying
Hot-air bonding
Basics
Process technology
Line technology
Heat setting
Thermal calendar bonding
Process technology
Line technology
Ultrasound bonding
Chemical methods
Introduction
Methods for cohesive bonding
Cohesive bonding through thermo plasticity
Cohesive bonding in the case of a dissolved fiber surface
Adhesive bonding methods
Application of liquid binder in excess
Removal of excess liquor
Metered binder application to one side
Application of powder
Composite materials
Nonwoven composites
Variants of processes
Bonding by means of needle punching
Bonding by means of stitch-bonding
Bonding by means of entangling
Bonding by means of gluing
Nonwovens suitable to make composite materials
Finishing nonwovens
Mechanical finishing
Shrinking
Creation and removal of distortions
Deliberate shrinkage
Compacting and creping
Compacting-the Clupak process
Creping-the Micrex micro crepe process
Glazing, calendaring, pressing
Glazing or rolling calenders
Embossing or goffering calendars
Felt calenders, transfer calenders
Rotary pressing machines
Moulding , stamping
Perforating slitting , breaking
Perforating
Slitting
Breaking
Splitting, emerizing ,suede finishing , shearing raising
Splitting
Emerizing , suede finishing
Shearing raising
Singeing
Sewing ,quilting and welding
Cover-seaming and quilting
Ultrasonic welding
High-frequency welding
Other mechanical finishing methods
Chemical finishing
Washing
Dyeing
Stock and spin dyeing
Dyeing and bonding
Subsequent dyeing
Different dyeing methods
Cold pad batch dyeing
Continuous dyeing
Printing
Printing of lightweight nonwovens
Printing of heavy nonwovens
Printing of heavy nonwovens (needle-punched nonwoven floor coverings)
Spray printing
Transfer printing
Finishing, softening special effects
Machine facts and possibilities
Stiffening finishes
Finishing of toe and heel caps on footwear
Finishing of nonwovens for roofing felts
Finishing of glass fibre nonwovens for glass fibre composites
Softening
Antistatic finishing
Soil-repellent finishing
Water-repellent and oil-repellent finishing
Hygiene finishing
Flame resistant finishing
Absorbent and water absorbent finishing
Dust-bonding treatment
Coating
Coating methods
Kiss roll coating
Rotogravure coating
Rotary screen coating
Knife or doctor coating
Extrusion coating
Non-contact coating
Release coating
Coating effects
Non-slip finishing
Mouldabal coating
Self-adhesive coating
Foam coating
Loose lay coating
Micro porous coating
Drainage coating
Heat-sealing coating
Laminating
Wet laminating
Dry laminating
Use of adhesive nonwovens
Examples of laminating
Flocking
New processes and products
Ecology and economy
Peculiarities with regard to ready-making nonwovens
The making up of finished products
Concepts and definitions
Products development
Product development for garment textiles
Product development for décor fabrics and home-textiles
Product development for technical textiles
Production preparation
Production
Spreading
Cutting
Joining and assembly
Ironing
Packaging
Mechanization and automation
Part v Characteristics and application of nonwovens
Nonwovens for hygiene
The use of nonwovens in medicine-safety aspects
General requirements
Design and construction
Information to the user
Conclusion
Nonwovens for cleaning and household products
Market situation
Wet and damp-cleaning products
Floor cloths and materials for floor cleaning systems
Durable wiping cloths
Disposable and semi-disposable wiping cloths
Synthetic leather (chamois types)
Dry and damp-cleaning products
Microfiber nonwovens
Polyvinyl alcohol nonwovens
Impregnated cloths
Scouring media
Pan scourers, scouring sponges and pads
Floor pads
Nonwovens for home textiles
Nonwovens for upholstery material
Nonwovens for floor coverings
Nonwoven fabrics for wall coverings
Nonwoven fabrics as furnishing fabrics
Tufting substrate
Nonwovens for apparel
Nonwoven interlinings
Introduction
History of nonwoven interlinings
Functions of nonwoven interlinings
Interlining fabric for shaping and support
Nonwoven interlining for stabilizing and/or stiffening
Nonwoven interlining for providing bulk
Properties of nonwoven interlinings
Functional elements of nonwoven interlinings
Outlook
Nonwovens for protective clothing
Nonwoven support materials for footwear
Nonwovens for technical applications
Insulation
Fire, heat, sound
Electrical insulation
Filtration
Dry filtration
General
Functional requirements properties
Surface filters
Depth filters
Liquid filtration
Liquid filters based on nonwovens
Variables in design of liquid filters
Building and construction industry
Geononwovens
Functions and requirements
Selected examples of the uses of nonwovens
Outlook
Bituminous roofing membranes
Introduction
Market overview
The bituminization of polyester nonwovens
The end use requirements of membranes with polyester inlay
Trends and developments
Agriculture
Introduction
Requirements to be met by agricultural nonwovens
Technological processes
Application
Market trends
The motor vehicle industry
The market
The car industry
Required characteristics
Acoustic and thermal insulation-inside the car
Acoustic and thermal insulation-the engine housing
Covering materials-interior of the car
Nonwovens for seat cushioning and laminated nonwovens
Automotive filter fabrics
Nonwovens as backing substrates, microfiber webs and other nonwovens
The aircraft, shipbuilding and railways industries
Outlook
Papermaking fabrics
Re-utilization of nonwovens
Waste from the production of nonwovens
Measures to reduce waste
Used waste of nonwoven materials
Disposables
Long-life products
Utilization of nonwoven waste
Mechanical processes to recover fibres
Re-granulation
Production of textile chips and their application
Processing nonwoven waste
Regulations to be observed and processes to test raw materials and nonwoven products
General principles
Sampling and statistics
Testing climate
Standards and specifications
Testing processes
Raw materials for nonwovens
Fibres
Granulates
Binnders
Nonwovens
Textile-physical tests
Fastness testing
Testing of burning behavior
Testing of the behavior during laundering/dry cleaning
Human ecological tests
Test processes relating to end-use
Hygiene and medical products
Cleaning cloths and household products
Household textiles
Protective clothing
Filter fabrics
Geononwovens
Quality surveillance systems and quality assurance systems
Coming development in nonwovens industry