Preparation and Mechanical Properties of Crosslinked 1,2,3-Triazole-Polymers as Potential Propellant Binders

被引：16

作者：

Wang, Ling ^{[2
]}

Song, Yuming ^{[1
]}

Gyanda, Reena ^{[1
]}

Sakhuja, Rajeev ^{[1
]}

Meher, Nabin K. ^{[1
]}

Hanci, Sureyya ^{[1
]}

Gyanda, Kapil ^{[2
]}

Mathai, Sindhu ^{[1
]}

Sabri, Firouzeh ^{[2
]}

Ciaramitaro, David A. ^{[3
]}

Bedford, Clifford D. ^{[3
]}

Katritzky, Alan R. ^{[1
]}

Duran, Randolph S. ^{[2
]}

机构：

[1] Univ Florida, Dept Chem, Ctr Heterocycl Cpds, Gainesville, FL 32611 USA

[2] Univ Florida, Dept Chem, Polymer Res Lab, Gainesville, FL 32611 USA

[3] Off Naval Res, Arlington, VA 22203 USA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 117卷 / 05期

关键词：

strain; mechanical properties; modulus; crosslinking; fillers; CLICK-CHEMISTRY; POLYMERS; AZIDES; CYCLOADDITION; LIGATION; ROUTE; TOOL;

D O I：

10.1002/app.30753

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Thirteen triazole polymers were prepared as potential rocket propellant binders by the reactions of various diacetylenes and diazides. The reaction of E300 dipropiolate (1) with diazide (2) obtained from tetraethylene glycol was selected to study the effects of concentration of the tetraacetylene functionalized crosslinker (3) on the mechanical properties of resulting triazole polymers. The modulus of the polymers increased, whereas the strain (% elongation at failure) decreased with increasing percentage of crosslinker. The resulting triazole polymers also showed that the desired mechanical properties could be obtained by adjusting the crosslinker concentration during the polymerization. Addition of 43 wt % aluminum filler did not significantly affect the strain. The modulus of these triazole polymers was comparable with typical polyurethane elastomeric matrices for rocket propellants. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 2612-2621,2010

引用

页码：2612 / 2621

页数：10

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