C-13, MG-25 AND B-11 SOLID-STATE NMR-STUDY OF A FIRE RETARDED ETHYLENE-VINYL ACETATE COPOLYMER

Citation
N. Pecoul et al., C-13, MG-25 AND B-11 SOLID-STATE NMR-STUDY OF A FIRE RETARDED ETHYLENE-VINYL ACETATE COPOLYMER, Macromolecular symposia, 119, 1997, pp. 309-315
Citations number
11
Categorie Soggetti
Polymer Sciences
Journal title
ISSN journal
10221360
Volume
119
Year of publication
1997
Pages
309 - 315
Database
ISI
SICI code
1022-1360(1997)119:<309:CMABSN>2.0.ZU;2-7
Abstract
Flame retardance of ethylene-vinyl acetate copolymer (EVA) can be achi eved using magnesium hydroxide (Mg(OH)(2)) incorporated in the polymer ic matrix. The adduct of small amount of zinc berate as synergistic ag ent in the formulation increases the fire-proofing properties. Multinu clei solid-state NMR appears as a powerful means to characterise mater ials before and after combustion. We show that endothermic dehydration , water vapour evolved and formation of a glassy coating provide the f lame retardancy of interest to the polymeric matrix.