SHOCK-INITIATED CHEMISTRY OF ENERGETIC MATERIALS

被引:14
作者
SAKATA, J [1 ]
WIGHT, CA [1 ]
机构
[1] UNIV UTAH,DEPT CHEM,SALT LAKE CITY,UT 84112
关键词
D O I
10.1021/j100017a046
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The initial step of a reaction sequence initiated by a strong acoustic shock has been observed for the first time in a condensed phase energetic material. Shocks are generated by pulsed laser vaporization, of thin aluminum films and launched into adjacent films of glycidyl azide polymer at 77 K through an inert spacer material. Changes in the composition of the polymer films are monitored by transmission FTIR spectroscopy, Comparison of spectra obtained before and after the shock reveals that the initial reaction sequence involves elimination of molecular nitrogen from the azide functional groups on the polymer.
引用
收藏
页码:6584 / 6588
页数:5
相关论文
共 30 条
[1]   TRANSIENT THIN-FILM LASER PYROLYSIS OF RDX [J].
BOTCHER, TR ;
WIGHT, CA .
JOURNAL OF PHYSICAL CHEMISTRY, 1993, 97 (36) :9149-9153
[2]   EXPLOSIVE THERMAL-DECOMPOSITION MECHANISM OF RDX [J].
BOTCHER, TR ;
WIGHT, CA .
JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (21) :5441-5444
[3]   KINETICS AND MECHANISMS OF THERMAL-DECOMPOSITION OF NITROAROMATIC EXPLOSIVES [J].
BRILL, TB ;
JAMES, KJ .
CHEMICAL REVIEWS, 1993, 93 (08) :2667-2692
[4]   THERMAL-DECOMPOSITION OF ENERGETIC MATERIALS .63. SURFACE-REACTION ZONE CHEMISTRY OF SIMULATED BURNING 1,3,5,5-TETRANITROHEXAHYDROPYRIMIDINE (DNNC OR TNDA) COMPARED TO RDX [J].
BRILL, TB ;
PATIL, DG ;
DUTERQUE, J ;
LENGELLE, G .
COMBUSTION AND FLAME, 1993, 95 (1-2) :183-190
[5]   THERMAL-DECOMPOSITION OF ENERGETIC MATERIALS .54. KINETICS AND NEAR-SURFACE PRODUCTS OF AZIDE POLYMERS AMMO, BAMO, AND GAP IN SIMULATED COMBUSTION [J].
CHEN, JK ;
BRILL, TB .
COMBUSTION AND FLAME, 1991, 87 (02) :157-168
[6]   THE LOCALIZATION OF ENERGY AND PLASTIC-DEFORMATION IN CRYSTALLINE SOLIDS DURING SHOCK OR IMPACT [J].
COFFEY, CS .
JOURNAL OF APPLIED PHYSICS, 1991, 70 (08) :4248-4254
[7]   QUANTUM-MECHANICAL ASPECTS OF DISLOCATION-MOTION AND PLASTIC-FLOW [J].
COFFEY, CS .
PHYSICAL REVIEW B, 1994, 49 (01) :208-214
[8]   ORIENTATION-DEPENDENT EXPLOSION SENSITIVITY OF SOLID NITROMETHANE [J].
DICK, JJ .
JOURNAL OF PHYSICAL CHEMISTRY, 1993, 97 (23) :6193-6196
[9]   SHOCKED MOLECULAR-SOLIDS - VIBRATIONAL UP PUMPING, DEFECT HOT SPOT FORMATION, AND THE ONSET OF CHEMISTRY [J].
DLOTT, DD ;
FAYER, MD .
JOURNAL OF CHEMICAL PHYSICS, 1990, 92 (06) :3798-3812
[10]   MASS-SPECTROMETRIC KINETIC-STUDIES ON SEVERAL AZIDO POLYMERS [J].
FARBER, M ;
HARRIS, SP ;
SRIVASTAVA, RD .
COMBUSTION AND FLAME, 1984, 55 (02) :203-211