The response of hydroxy-terminated polybutadiene to one-dimensional shock loading

Abstract

Hydroxy-terminated polybutadiene (HTPB) is commonly used as a binder system in rocket propellants and plastic bonded explosives (PBXs). As such, the investigation of this material under high-strain-rate and shock-loading conditions is of importance if the response of propellants and PBXs is to be understood. Therefore, the Hugoniot of two different HTPB compositions has been investigated, using manganin stress gauges. Both materials have a linear Us–up relationship, with the material having a higher plasticizer content having a lower value of c0. It has been suggested that additions of plasticizer increase the compliance of the material. In addition, in one composition, shock recovery experiments have been performed. Results indicate that no changes in glass transition temperature, decomposition temperature, or molecular weight occur in the range of shock stresses investigated.

Taylor impact of polyether ether ketone

“…However, other thermoplastics have been shocked and recovered [19] at stresses of up to 40 GPa, where no changes in the chemistry of the polymer were noted. We also noted no changes in recovered HTPB [5], when loaded up to more modest stresses of ca. 1.5 GPa.…”

“…This has included work on PBX binder systems such as Kel-F and estane [4] and hydroxy-terminated polybutadiene [5], and structural polymers such as polymethylmethacrylate (PMMA) [6], epoxy-based resins [7] and polytetrafluroethylene (PTFE-Teflon) [8,9]. One polymer that we have investigated in some depth is polyether ether ketone (PEEK) [10].…”

Molecular dynamics simulations of shock waves in cis-1,4-polybutadiene melts

“…The equilibrium structure and dynamics of PBD have been the subjects of extensive experimental and theoretical study. [52][53][54][55][56][57][58][59][60][61][62] By contrast, there have been few fundamental studies on the shock response of PBD 36 and, to our knowledge, no detailed MD studies have been reported.…”

Equations of State of Binders and Related Polymers

“…In one experiment, a composite consisting of 30 μm diameter glass beads in an HTPB matrix was impacted by a steel flyer plate traveling at 200 m s −1 [259]. In one experiment, a composite consisting of 30 μm diameter glass beads in an HTPB matrix was impacted by a steel flyer plate traveling at 200 m s −1 [259].…”