Rheological and thermal properties of mixtures of hydroxyl-terminated polybutadiene and plasticizer

T. Gołofit; K. Gańczyk-Specjalska; K. Jamroga; Ł. Kufel

doi:10.14314/polimery.2018.1.9

Published : 2021-01-13

Vol. 63 No. 1 (2018)

Rheological and thermal properties of mixtures of hydroxyl-terminated polybutadiene and plasticizer

T. Gołofit K. Gańczyk-Specjalska K. Jamroga Ł. Kufel

DOI: https://doi.org/10.14314/polimery.2018.1.9

Abstract

Mixtures of hydroxyl-terminated polybutadiene (HTPB) and dioctyladipate (DOA) as a plasticizer, which after crosslinking are applied as binders in heterogeneous propellants, were studied.The influence of mixture composition on rheological and thermal properties, important from technological and utility viewpoint were specified. The temperature dependence of prepared mixtures viscosity were studied. Systems were subjected to crosslinking and values of pot life (tpl) were determined. It was stated that tpl rose with increasing plasticizer content. Differential scanning calorimetry and thermogravimetry techniques were used toanalyze thermal stability of mixtures. It was concluded that applied component scould not decompose in the temperature range of 290–350 K and studied mixtures did not cause the hazard of thermal explosion.

Keywords

rheology ; thermal stability ; hydroxyl-terminated polybutadiene curing reologia ; stabilność termiczna ; polibutadien z końcowymi grupami hydroksylowymi ; sieciowanie

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Gołofit, T., Gańczyk-Specjalska, K., Jamroga, K., & Kufel, Ł. (2021). Rheological and thermal properties of mixtures of hydroxyl-terminated polybutadiene and plasticizer. Polimery, 63(1), 53-56. https://doi.org/10.14314/polimery.2018.1.9

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T. Gołofit help@libcom.pl

Affiliation
Warsaw University of Technology, Department of High-Energetic Materials, Noakowskiego 3, 00-664, Warsaw, Poland. Institute of Industrial Organic Chemistry, Annopol 6, 03-236 Warsaw, Poland

K. Gańczyk-Specjalska

Affiliation
Institute of Industrial Organic Chemistry, Annopol 6, 03-236 Warsaw, Poland

K. Jamroga

Affiliation
Warsaw University of Technology, Department of High-Energetic Materials, Noakowskiego 3, 00-664, Warsaw, Poland. Institute of Industrial Organic Chemistry, Annopol 6, 03-236 Warsaw, Poland

Ł. Kufel

Affiliation
Warsaw University of Technology, Department of High-Energetic Materials, Noakowskiego 3, 00-664, Warsaw, Poland. Institute of Industrial Organic Chemistry, Annopol 6, 03-236 Warsaw, Poland