Pyrotechnic Igniting Agent

Abstract

The present invention relates to a pyrotechnic igniting agent which contains basic salts of 5,5′-azotetrazole having the general empirical formula: M m+ n (C 2 N 10 2− ) p (CO 3 2− ) q (OH − ) r , wherein: M is an element of the 3rd to 12th group of the periodic table having an atomic number in the range from 21 to 80, (C 2 N 10 2− ) is azotetrazolate dianion having the structure (AA), m is the valence of the cation, n is an integer from 1 to 6, p is an integer from 1 to 4, q is an integer from 0 to 8, r is an integer from 0 to 4 and q+r≠0, wherein the proportion of the basic azotetrazolate component is 30 to 100 wt %, and 0 to 70 wt % of an additive or mixtures of a plurality of additives is contained.

1 . A pyrotechnic igniting agent, characterized in that it contains basic salts of 5,5′-azotetrazole having the general empirical formula:
   M m+ (C 2 N 10   2− ) p (CO 3   2− ) q (OH − ) r    
 wherein: 
 M is an element of the 3rd to 12th group of the periodic table having an atomic number in the range from 21 to 80, 
 (C 2 N 10   2− ) is azotetrazolate dianion having the structure 
 
       
         
           
           
               
               
           
         
         m is the valence of the cation, 
         n is an integer from 1 to 6, 
         p is an integer from 1 to 4, 
         q is an integer from 0 to 8, 
         r is an integer from 0 to 4 and q+r≠0, 
         wherein the proportion of the basic azotetrazolate component is 30 to 100 wt %, and 0 to 70 wt % of an additive or mixtures of a plurality of additives is contained. 
       
     
     
         2 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains, as additive, 10 to 60 wt % of an oxidizing agent selected from one or more of the nitrates of the alkali and/or alkaline earth metals and/or of ammonium, the perchlorates of the alkali and/or alkaline earth metals and/or of ammonium, the peroxides of the alkali and/or alkaline earth metals and/or of zinc. 
     
     
         3 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains, as additive, 0 to 10 wt % of a sensitizer, preferably tetrazene. 
     
     
         4 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains, as additive, 0 to 20 wt % of a reducing agent selected from one or more of aluminum, antimony sulfide, calcium silicide, titanium, titanium hydride, boron, boron hydride, zirconium, zirconium hydride, silicon, graphite, activated carbon, carbon black or friction modifiers, preferably cullet. 
     
     
         5 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains, as additive, 0.1 to 5 wt % of a binder selected from one or more of cellulose and derivatives thereof, polyvinyl butyrals, polynitropolyphenylene, polynitrophenyl ether, plexigum, polyvinyl acetate and copolymers. 
     
     
         6 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains Zn 2+   2 (C 2 N 10   2− )(CO 3   2− ). 
     
     
         7 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains Zn 2+   3 (C 2 N 10   2− ) 2 (CO 3   2− ). 
     
     
         8 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains Zn 2+   4 (C 2 N 10   2− ) 2 (CO 3   2− )(OH − ) 2 . 
     
     
         9 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains Zn 2+   2 (C 2 N 10   2− )(OH − ) 2 . 
     
     
         10 . The pyrotechnic igniting agent according to  claim 1 , characterized in that it contains Zn 2+   3 (C 2 N 10   2− ) 2 (OH − ) 2 . 
     
     
         11 . The use of a pyrotechnic igniting agent according to  claim 1  in mechanical, electrical or optoelectrical ignition systems.