NANOFIBERS WITH IMPROVED CHEMICAL AND PHYSICAL STABILITY AND WEB CONTAINING NANOFIBERS

• Main Authors: CHAVAN, SANTOSH, FANTINI, DIEGO, CRAVERO, TIZIANA
• Format: Patent
• Language: English; French
• Published: 10.02.2011
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; SPINNING; TEXTILES; TRANSPORTING

A non woven web containing water insoluble nanof?bers and/or microfibers obtained by an electrospinning process using water based solution containing at least two components, a first component having carboxylic acid and/or anhydride functionalities and a second component having primary and/or secondary amino functionalities, the web being cured upon a heat treatment. Application: filtration and separation L'invention porte sur une toile non tissée contenant des nanofibres et/ou microfibres insolubles dans l'eau obtenues par un procédé d'électrofilature utilisant une solution à base d'eau contenant au moins deux composants, un premier composant ayant des fonctionnalités acide carboxylique et/ou anhydride carboxylique et un second composant ayant des fonctionnalités amino primaires et/ou secondaires, la toile étant durcie lors d'un traitement thermique. Application : filtration et séparation.