Premium
Effect of the crosslink functionality on the mechanical properties of crosslinked 1,2,3‐triazole polymers as potential binders for rocket propellants
Author(s) -
Song Yuming,
Wang Ling,
Gyanda Reena,
Sakhuja Rajeev,
Cavallaro Mayra,
Jackson David Carnaby,
Meher Nabin K.,
Ciaramitaro David A.,
Bedford Clifford D.,
Katritzky Alan R.,
Duran Randolph S.
Publication year - 2010
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.31426
Subject(s) - polymer , propellant , materials science , modulus , polyurethane , polymer chemistry , composite material , dynamic mechanical analysis , polymerization , rocket propellant , rocket (weapon) , chemistry , organic chemistry , engineering , aerospace engineering
The mechanical properties of crosslinked polymers depend on their structural features, one of which is the functionality of the crosslinks in a polymer network. To study the effect of crosslink functionality (ϕ) on the mechanical properties of 1,2,3‐triazole polymers for potential application as rocket propellant binders, crosslinkers with different ϕ's (3, 4, 6, 16, 32, and 64) were used in the polymerization. As the percentage of acetylenic groups provided by crosslinker was kept constant and the functionality of the crosslinker increased, the resulting polymer showed a higher modulus but a lower strain. Compared to traditional polyurethane binders, 1,2,3‐triazole polymers showed comparable mechanical properties, although the stress and modulus tended to be lower and the strain capability tended to be greater for the triazole‐linked rubbers. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010