Network characterization of energetic poly(glycidyl azide)


Eroglu M. S. , Guven O.

TURKISH JOURNAL OF CHEMISTRY, cilt.21, ss.256-261, 1997 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 21 Konu: 4
  • Basım Tarihi: 1997
  • Dergi Adı: TURKISH JOURNAL OF CHEMISTRY
  • Sayfa Sayıları: ss.256-261

Özet

Energetic poly(glycidyl azide) (PGA) elastomers with different crosslink densities were prepared by varying the NCO/OH reactive-groups ratio from 0.8 to 1.0. In the preparation of the elastomers, PGA chains were end-liked with a mixture of hexamethylene diisocyanate (HMDI) and trimethylol propane (TMP) at a fixed TMP/PGA mole ratio. The number average molar mass between junction points of the network chains <(M)over bar (c)> was calculated using data obtained from swelling and uniaxial tensile tests and the results ware compared. For the mechanical characterization of the networks, Mooney-Rivlin plots were prepared and the values of the constants 2C(1) and 2C(2) of PGA networks having different crosslink densities were determined.