13 C,  25 Mg and  11 B solid‐state NMR study of a fire retarded ethylene‐vinyl acetate copolymer | Zendy

Pécoul Nathalie | Zendy; Bourbigot Serge | Zendy; Revel Bertrand | Zendy

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13 C, 25 Mg and 11 B solid‐state NMR study of a fire retarded ethylene‐vinyl acetate copolymer

Author(s) -

Pécoul Nathalie,

Bourbigot Serge,

Revel Bertrand

Publication year - 1997

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.19971190133

Subject(s) - copolymer , ethylene vinyl acetate , vinyl acetate , ethylene , materials science , polymer chemistry , zinc borate , hydroxide , boron , nmr spectra database , polybutadiene , nuclear chemistry , chemistry , inorganic chemistry , organic chemistry , polymer , fire retardant , catalysis , spectral line , physics , astronomy , composite material

Flame retardance of ethylene‐vinyl acetate copolymer (EVA) can be achieved using magnesium hydroxide (Mg(OH) 2 ) incorporated in the polymeric matrix. The adduct of small amount of zinc borate as synergistic agent in the formulation increases the fire‐proofing properties. Multinuclei solid‐state NMR appears as a powerful means to characterise materials before and after combustion. We show that endothermic dehydration, water vapour evolved and formation of a glassy coating provide the flame retardancy of interest to the polymeric matrix.

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