| 摘要 |
<p>PCT No. PCT/GB96/00886 Sec. 371 Date Oct. 14, 1997 Sec. 102(e) Date Oct. 14, 1997 PCT Filed Apr. 12, 1996 PCT Pub. No. WO96/33144 PCT Pub. Date Oct. 24, 1996An infrared emitting pyrotechnic material comprising a fibrous carbon containing substrate (1) onto one or both faces (4, 5) of which is vapor deposited a combustible material layer (2, 3) which may be protected by an additional coating (6, 7). The thickness and composition of each of the layers (2, 3) are selected such that in use each of the layers is capable of igniting substantially simultaneously the entire surface on which it is deposited.</p> |
