Composition generating an ir-opaque smoke

Details Composition generating an ir-opaque smoke Composition generating an ir-opaque smoke

C - Chemistry, Metallurgy

09

K

C09K 9/02 (2006.01) C06B 27/00 (2006.01) C06D 3/00 (2006.01)

Patent

CA 2104512

- 1 - Abstract A composition generating an IR-opaque smoke in the form of a compact which has a density in the range from 0.9 to 1.5 g/cm3 is described, comprising from 10 to 25 per cent by weight of magnesium powder, from 5 to 35 per cent by weight of a fluorinated organic polymer, from 5 to 15 per cent by weight of chloroparaffin and from 35 to 65 per cent by weight of an aromatic compound of the formula I Image (I), wherein A and B are independently selected from Image , -S-, -CH2-, Image and Image -, R1 and R2 are independently selected from OH, X or alkyl having one to four carbon atoms, m and n is an integer from 0 to 2, and X is halogen, or an aromatic compound of formula II Image (II) wherein R1 and R2, X, m, and n are defined as above and D and E are independently selected from Image , Image and -N=, - 2 - or phtalic anhydride, 2-benzoyl pyridine, fluorene, dibenzosuberenone or diphenylenesulphlde or the deriva- tives thereof substituted by R1m and/or R2m.

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