Special Subject in Text. Technology (I)
- Introduction to nonwovens web formation and web bonding
- Structure of nonwoven
1- Structure (basic) parameters
2- Interaction between the inter-structure and properties
- Fiber orientation distribution of fiber web
1- Fiber orientation
2- Orientation distribution function (ODF)
3- ODF of thin webs
4- Importance of ODF
- Fiber orientation distribution of fiber web
1- Isotropy vs. Anisotropy
2- The influence of the production method on anisotropy
3- The role of ODF on mechanical performance of web
4- ODF of 3D webs
5- Measuring fiber orientation distribution
- Porosity of nonwoven web
1- Pore size distribution
2-The role of parameters affecting porosity in the web layer
3- ?Influence of packing density and porosity on nonwoven performance
- Porosity of nonwoven web
1- Measuring porosity, pore size and pore size distribution experimentally
2- Pore size calculation theoretically
- Mechanical properties of nonwoven
1- Tensile properties of nonwoven
2- Theoretical modelling the tensile strength
- Mechanical properties of nonwoven
1- Theoretical modelling the bending properties
2- Influence of mechanical properties on nonwoven performance
- Transport properties of nonwovens
1.Permeability of fibrous material
2.Gas and liquid permeability
3.Water vapor transmission
- Transport properties of nonwovens
1-Theoretical models of nonwoven permeability
- Filtration properties
1- General principles of particle filtration
2- Evaluation of filter Performance
- Filtration properties
1- Non-woven fabric filtration mechanism
2- Filter in dry air filtration
- Filtration properties
1- Liquid filtration
2- Structure design of fiber filters
- Structure and properties of composite nonwovens
1- Fiber characteristics in composite nonwovens
2- Compaction and density of fibers in composite non-woven textiles
- Structure and properties of composite nonwovens
1- Fiber orientation in composite nonwovens
2- Pore characteristics in composite nonwovens
3- Physical and mechanical properties of composite nonwovens