The Chemistry of Powder and Explosives - Sciencemadness Dot Org

322 SMOKELESS POWDER
PARTS BY WEIGHT NECESSARY FOR THE COMPLETE GELATINIZATION OF
100 PARTS OF PYROCELLULOSE
Methylurea
Ethyleneurea
Sj/m-dimethylurea
Sj/m-diethylurea
[/rcsj/wi-dimethylurea
Tetramethylurea
Benzylurea
Sj/ro-diphenylurea
Sj/m-di-p-tolylurea
t/rwj/ire-diphenylurea
Tnphenylurea
a,a-diphenyl-p-tolylurea
Tetraphenylurea
Ethyltnphenylurea
Sj/TO-dimethyldiphenylurea
Sj/rrc-diethyldiphenylurea
Sj/w-di-n-butyldiphenylurea
[/nsj/wi-dimethyldiphenylurea
Carbamic acid ethyl ester
Methylcarbamic acid ethyl ester
Ethylcarbamic acid ethyl ester
Phenylcarbamic acid ethyl ester
Phenylcarbamic acid phenyl estei
Phenylcarbamic acid benzyl ester
Diphenylcarbamic acid phenyl ester
Methyl sebacate
Ethyl sebacate
Iso-amyl sebacate
Methyl phthalate
Ethyl phthalate
Iso-amyl phthalate
DNX oil . .
Trinitrotoluene
In In In
Alcohol Benzene Ligroin
No action with 100 parts
No action with 100 parts
60 70
50 50
No action with 100 parts
80
No action with 100 parts
No action with 100 parts
No action with 100 parts
No action with 100 parts
35
40
30
No action
with 160 parts
80
70
70
60
60
140
90
90
20
No action
No action
80
80
80
70
95
95
95
120
25
30
20
80
60
60
90
with 200 parts
with 100 parts
70
70 105
50 90
95 90
70 115
50 100
50 80
130 330
300
carbamic acids are excellent gelatinizing agents, but the aromatic
esters appear to be without action unless the total number of
aromatic groups is equal to three.
Flashless Charges and Flashless Powder
The discharge of a machine gun shooting ordinary charges of
smokeless powder produces bright flashes from the muzzle which