초록 ▼

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 percent by weight of magnesium powder, from 5 to 35 percent by weight of a fluorinated organic poller, from 5 to 15 percent by weight of

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 percent by weight of magnesium powder, from 5 to 35 percent by weight of a fluorinated organic poller, from 5 to 15 percent by weight of chloroparaffin and from 35 to 65 percent by weight of an aromatic compound of the formula I [Figure] (I) wherein A and B are independently selected from [Figure] 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 [Figure] (II) wherein R1 and R2 X m and n are defined as above and D and E are independently selected from [Figure] or phtalic anhydride, 2-benzoyl pyridine, fluorene, dibenzosuberenone or diphenylenesulphide or the derivatives thereof substituted by R1m and/or R2m.

대표청구항 ▼

A composition for 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 and which comprises from 10 to 25 percent by weight of magnesium powder, from 5 to 35 percent by weight of a fluorinated organic polymer, from 5 to 15 percent by weight of

A composition for 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 and which comprises from 10 to 25 percent by weight of magnesium powder, from 5 to 35 percent by weight of a fluorinated organic polymer, from 5 to 15 percent by weight of chloroparaffin, and from 35 to 65 percent by weight of an aromatic compound selected from the group consisting of (a) compounds of the formula I [Figure] (I) wherein A and B are independently selected from [Figure] 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, (b) compounds having formula II [Figure] (II) wherein R1 and R2, X, m, and n are defined as above and D and E are independently selected from [Figure] (c) compounds from the group of phthalic anhydride, 2-benzoyl pyridine, fluorene, dibenzosuberenone or diphenylenesulphide, and the derivatives thereof which are substituted by R1m R2m, and combinations thereof.