Premium
Surface treated cellulose fibres in flame retarded PP composites
Author(s) -
Anna P.,
Zimonyi E.,
Márton A.,
Szép A.,
Matkó Sz.,
Keszei S.,
Bertalan Gy.,
Marosi Gy.
Publication year - 2003
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.200351221
Subject(s) - intumescent , charring , materials science , composite material , ammonium polyphosphate , compounding , cellulose , fire retardant , thermal stability , polypropylene , silylation , silicone , chemical engineering , chemistry , organic chemistry , catalysis , engineering
Polypropylene‐based composites were prepared containing non‐treated and various treated cotton fibre and wood flakes. A correlation was observed among the fibre treatment and compounding parameters, mechanical and discoloration properties. The structural changes in fibres were demonstrated by Raman spectroscopic and DSC measurements. The possibility for forming cellulose fibre containing flame retardant composites was also investigated. The efficiency of various treatments on compounding, discoloration and mechanical properties enhance in the following order: no treatment < non ionic surfactant < reactive silicone segment containing non ionic surfactant < special silylation treatment. The best results obtained with the special silylation treatment were explained with the more organophilic character and by the thermal stability of the treated fibres. Cellulose fibre as a polyol‐charring component and ammonium‐polyphosphate together constitute a high performance intumescent flame retardant system in the PP matrix.