Andreeva, T. N.

Bogdanova, V. V.

Luk`yanov, A. S.

Nazarovich, A. N.

Reva, O. V.

BSU Digital Library

 90 
The effective fire protection of nonwoven polyether material 
O. V. Reva, V. V. Bogdanova, T. N. Andreeva, A. N. Nazarovich, A. S. Luk`yanov  
Belarus Republic Ministry of Emergencies State Educational Establishment Institute for Com-
mand Engineers, Minsk, Belarus, e-mail: volha107@rambler.ru 
Permanent fireproof processing of the non-woven polyester materials is a very difficult task, 
because their fibers are chemically inert and have a very smooth surface with nonporous micro-
structure (Fig, a). Commonly, two and trivalent metals-ammonium phosphates used as non-toxic 
inorganic flame retardants are fixed on the polyester materials surface in the insufficient quantity 
even in case of the use of stannous-containing mediator agents applied for a chemical binding of 
the burning inhibitors to a polymeric matrix [1, 2]. Thus, deterioration of the exploitation proper-
ties of the fire protected polyester materials is observed mostly due to the growth of their hard-
ness. It was assumed that the replacement of inorganic burning inhibitors by nitrogen and phos-
phorous-containing organic products containing reactive functional groups can provide an in-
crease in the resistance of fireproof effect to washings of the polyester materials and the elimina-
tion of their hardening. One of the effective fire protectors for polyolefin polymers could be 5-
aminotetrazol phosphate, containing reactive amino groups [3]. 
 
 
Fig.  The surface morphology of initial (a) and fire protected (b) polyester fibers   
 
In this work the nonwoven polyester fabric previously etched in alkaline solution was treat-
ed with 5-aminotetrazol phosphate alcohol solution. The fire protected material had satisfactory 
physical-mechanical properties such as softness, flexibility, elasticity. It was revealed that ~25–
30 mass. % of the burning inhibitor was preserved on the surface of the protected fiber after 
washing of polyester fabric that was confirmed by electron microscopic researches (Fig.e b). For 
comparison, the fiber treated with inorganic burning inhibitors lost them in the result of the ma-
terial washing.  
By fire tests it was shown that the rate of the burning of the washed fire protected polyester 
material appeared to be 2–3 times under this rate in case of the initial sample. The results make it 
possible to conclude that the processing of polyester fabric with 5-aminotetrazol phosphate alco-
hol solution provides permanent fireproof effect. 
 
References 
1. O.V. Reva, V.V. Bogdanova, Z.V. Shukelo. Sviridov Readings. (2013) 9. 
2. O.V. Reva, V.V. Bogdanova, Z.V. Shukelo, L.V. Radkevich. Materials. Technologies. Tools. (2011) 
16.  
3. V.V. Bogdanova, T.N. Andreeva, V.V. Pranik. Rus. J. General Chemistry. (1990) 122. 
b a 


The effective fire protection of nonwoven polyether material

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