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Effect of texturing on porosity and critical dissolution time of polyamide 6.6 multifilaments
Cayuela Marín, Diana; Maillo Garrido, Josefina; Morales, C; Manich, Albert M.
Universitat Politècnica de Catalunya. Institut d'Investigació Tèxtil i Cooperació Industrial de Terrassa; Universitat Politècnica de Catalunya. Departament d'Enginyeria Tèxtil i Paperera; Universitat Politècnica de Catalunya. TECTEX - Grup de recerca en Tecnologia Tèxtil
The anomalous behaviour of polyamide 6.6 fibres textured by false twist to different physico-chemical techniques (as the critical dissolution time, CDT), compared with those obtained in polyester fibres, was attributed to a cracking of the. surface and/or to an increase in fibre porosity. This cracking appears when original fibre is treated at high temperature and it is due to the breakage of the skin/core structure of polyamide 6.6. This cracking has been demonstrated by the determination of drying kinetics in a thermogravimetric test that has been developed for this fibre
Àrees temàtiques de la UPC::Enginyeria tèxtil ::Fibres tèxtils::Fibres sintètiques
Polyamide fibers
Polyamide 6.6
Porosimetry
Cracking
Drying kinetics
Critical dissolution time (CDT)
BEHAVIOR
YARNS
Poliamides
Fibres tèxtils sintètiques
info:eu-repo/semantics/publishedVersion
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