Functionalisation of textiles
[2008-3-27]
Functionalisation of textile materials can be defined as a process which provides functional properties to textile and clothing materials. Functional properties can be obtained either by:
* the fibre itself (characteristics of the polymer or additives before fibre spinning);
* yarn, fabric or material construction (for instance, with different fibres or different layers);
* textile finishing.
In this presentation, main emphasis will be given to the functionalisation of textiles achieved by means of the incorporation of chemicals in fabric finishing. This can be made by all the traditional technologies, such as: exhaustion, padding, low add-on processes, foam application, printing, coating, etc. The innovative effects are assured by the application of specialty chemicals which can be applied by means of new alternative supports, such as microencapsulation, by using cyclodextrines. These alternatives are now very important for the application of several functional finishes, especially when a long term effect is intended, with controlled release of chemicals. The emergence of the so-called nanotechnologies opens also a wide range of new possibilities.
* the fibre itself (characteristics of the polymer or additives before fibre spinning);
* yarn, fabric or material construction (for instance, with different fibres or different layers);
* textile finishing.
In this presentation, main emphasis will be given to the functionalisation of textiles achieved by means of the incorporation of chemicals in fabric finishing. This can be made by all the traditional technologies, such as: exhaustion, padding, low add-on processes, foam application, printing, coating, etc. The innovative effects are assured by the application of specialty chemicals which can be applied by means of new alternative supports, such as microencapsulation, by using cyclodextrines. These alternatives are now very important for the application of several functional finishes, especially when a long term effect is intended, with controlled release of chemicals. The emergence of the so-called nanotechnologies opens also a wide range of new possibilities.
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