Investigation of the Compatibility of a Novel Copolymer Based
Plasticizers were added to the polymeric networks to improve the performance of the composite solid propellants. Energetic plasticizers were used to increase the energy content, in addition to improving the glass transition temperature and mechanical properties.
Screening of polymer-plasticizer systems for propellant
Polymers and plasticizers contribute to all these three important characteristics of propellants and they need to be screened rigorously to achieve the most suitable combination. In this investigation, experimental and simulation studies were performed to predict the miscibility of polymers and plasticizers.
Molecular dynamic simulations and
1. Introduction. Solid propellants are the essential energy sources for the rockets and gas generators. Azido polyether-based propellants, such as GAP (glycidyl azide polymer), BAMO(3,3′-bis(azidomethyl) oxetane), AMMO(3-methyl-3-azide methyl oxetane), have attracted a lot of attentions due to their advantages as high energy and low mechanical sensitivity [1, 2].
Estimation of polymer solubility parameters by inverse gas
Screening of polymer-plasticizer systems for propellant binder applications: an experimental and simulation approach. Journal of Energetic Materials 2025 , 37 (4) , 365-377.
RSC Advances - Royal Society of Chemistry
types of plasticizers can be used for this purpose but the choice of suitable or compatible plasticizer often become difficult for the processing as well as for the end use of the composition. A plasticizer is usually defined in terms of the desired properties of a given polymer/plasticizer system.9
- How to analyze the migration of plasticizer in polymer chain?
- Diffusion of plasticizer in polymer chain . Another method of analyzing the migration of the plasticizer is measuring the Shore A hardness value of the solid propellant , , . An indenter is applied at different regions on the propellant layer to determine the hardness value.
- Why do we use plasticizers in propellants?
- The binder/plasticizer system is the main factor affecting the process characteristics and mechanical properties of the propellant [, , ]. Plasticizers can not only improve the plasticity, but also the processing ability, flexibility and durability of the propellants.
- What is a plasticizer in a propellant slurry?
- The plasticizer is an additive material that can improve the flowability of the propellant slurry by elongating the polymer chain structure. On top of that, most researchers have proven that the most crucial behaviour of the plasticizers is the particle migration that will affect the homogeneity of the propellant composition.
- What type of plasticizer is used in solid rocket propellant?
- According to Mohd Nurazzi et al. , some plasticizers are classified based on their molecular weight, and the most prevalent plasticizer type used in polymer industries, including solid rocket propellant applications, is the low molecular weight type, which consists of non-volatile, non-reactive esters that are compatible with the binder matrix.
- What is plasticizer used for?
- Plasticizer is one of the most common additive materials used for the fabrication of solid composite propellants because it can improve the flowability of the propellant slurry during the fabrication process , , .
- What is a polymer solution based on pbamo-B-gap & energetic plasticizer?
- According to the theory of the polymer solution, the blends of pBAMO-b-GAP and energetic plasticizers were considered as the polymer solution systems. Materials with similar solubility parameter values were likely to be miscible, and they would be easy to mix and form to a homogeneous solution.
