Results 1 to 10 of about 948 (160)
Polymer Testing, 2022 Series of rheokinetic studies involving pure HTPB with high content of 1,2-vinyl groups, binder systems with HTPB, IPDI and DBTDL, and energetic systems containing RDX, HTPB binder system and hydantoin-based bonding agent were conducted.
Karol Zalewski, Zbigniew Chyłek
exaly +3 more sources
The Passage of Chaperonins to Extracellular Locations in Legionella pneumophila Requires a Functional Dot/Icm System [PDF]
BiomoleculesHtpB, the chaperonin of the bacterial pathogen L. pneumophila, is found in extracellular locations, even the cytoplasm of host cells. Although chaperonins have an essential cytoplasmic function in protein folding, HtpB exits the cytoplasm to perform ...
Peter Robertson +2 more
doaj +2 more sources
Defence Technology, 2021 In order to predict the storage life of a certain type of HTPB (hydroyl-terminated polybutadiene) coating at 25 °C and analyze the influence of pre-strain on the storage life, the accelerated aging tests of HTPB coating at 40 °C, 50 °C, 60 °C, 70 °C with
Jian Zheng
exaly +3 more sources
Solid propellants: AP/HTPB composite propellants
Arabian Journal of Chemistry, 2019 AbstractIn this article we mainly discuss about AP/HTPB composite solid propellants. Classification, components, properties, burning rate and ignition behavior of propellants are mentioned here. Combustion of AP monopropellant, HTPB and AP/HTPB is discussed in detail.
Pragnesh N Dave, Shalini Chaturvedi
exaly +2 more sources
Combustion and mechanical properties enhancement strategy based on stearic acid surface activated boron powders [PDF]
Scientific ReportsBoric acid and other impurities on the surface of boron (B) particles can interact with hydroxyl-terminated polybutadiene (HTPB), weakening the mechanical properties and energy release efficiency of boron-based solid rocket propellants.
Jiaxin Lu +5 more
doaj +2 more sources
Synthesis of propellant grade HHTPB by hydrogenation of HTPB using Pd-activated charcoal as catalyst
FirePhysChemTo derive more performance from the conventional composite propellant based on hydroxyl-terminated polybutadiene (HTPB) and ammonium perchlorate (AP), it is envisaged to hydrogenate HTPB, which increases the H/C (hydrogen to carbon ratio) of the base ...
Prasad Chdv, Abhijit P. Deshpande
exaly +3 more sources
Molecules, 2023 Hydroxyl-terminated polybutadiene (HTPB)-based piezoelectric polymer (m-HTPB) is prepared for the first time by functionalized branch chain modification strategy.
Bo Yuan +4 more
doaj +1 more source
Polymer Testing, 2021 Hydroxy-terminated oligomers with narrow molecular weight distribution using as soft segment of polyurethane can significantly increase the modulus, tensile strength, and elongation at break of the polyurethane.
Lingxiao Ma +5 more
doaj +1 more source
Research progress in preparation technology of hydroxyl-terminated butadiene liquid rubber
Hecheng xiangjiao gongye, 2023 The performance characteristics and application fields of hydroxy-terminated polybuta-diene (HTPB) liquid rubber were summarized, the preparation methods and characteristics of HTPB were reviewed with 32 references, and various me-thods were summarized ...
LIU Sheng-nan1,2, AI Chun-jin1,2, ZHANG Ding-jun1,2, LI Dong1,2
doaj +1 more source
Aerospace, 2023 The slow regression rate induced by the high pyrolysis difficulty has limited the application and development of hydroxyl-terminated polybutadiene (HTPB)-based fuels in hybrid rocket propulsion.
Hongsheng Yu +5 more
doaj +1 more source