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2. (WO2015019272) CELLULOSE SUBSTRATE WITH ANTI-FLAME PROPERTIES AND RELATIVE PRODUCTION METHOD

Pub. No.:    WO/2015/019272    International Application No.:    PCT/IB2014/063678
Publication Date: Fri Feb 13 00:59:59 CET 2015 International Filing Date: Tue Aug 05 01:59:59 CEST 2014
IPC: C08B 5/00
Applicants: TORCITURA PADANA S.P.A.
ZANOLO S.P.A.
Inventors: TONANI, Alberto
NOVELLO, Andrea
SIRNA, Calogero
GIANNATEMPO, Simone
Title: CELLULOSE SUBSTRATE WITH ANTI-FLAME PROPERTIES AND RELATIVE PRODUCTION METHOD
Abstract:
Method for sulphation and phosphorylation of a cellulose substrate for imparting anti-flame properties to the substrate in which at least one phosphonic acid of formula (I): PO(OH)2-R-PO(OH)2 (I), is used as a catalyst of sulphation and a phosphorylating agent and relative substrate.