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743 Newest Publications in propellants, explosives, pyrotechnics

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Metallic Fumes at Indoor Military Shooting Ranges: Lead, Copper, Nickel, and Zinc in Different Fractions of Airborne Particulate Matter

18-Jan-2018 | Hans Orru, Mihkel Pindus, Haldo‐Rait Harro, Marek Maasikmets, Koit Herodes, Propellants, Explosives, Pyrotechnics, 2018

Abstract Small firearm shooting emits residues of energetic materials as well as heavy metals of different particle sizes into the air, posing a risk to human health. The current study assessed concentrations of Pb, Cu, Ni and Zn in 14 different size fractions of particulate matter at indoor ...

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Cross‐linking of Hydroxyl‐terminated Polyols with Triethyleneglycol Diglycidyl Ether: An Alternative to Toxic Isocyanates

16-Jan-2018 | Eleftheria Dossi, Jacqueline Akhavan, Sally E. Gaulter, Richard G. Williams, William J. Doe, Propellants, Explosives, Pyrotechnics, 2018

Abstract Isocyanates are highly reactive and toxic substances with severe health effects. Certain diisocyanates are restricted under REACH – The European Regulation on Registration, Evaluation, Authorisation and Restriction of Chemicals. Triethyleneglycol diglycidyl ether (TEGDGE) was used as ...

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Cross‐linking of Hydroxyl‐terminated Polyols with Triethyleneglycol Diglycidyl Ether: An Alternative to Toxic Isocyanates

16-Jan-2018 | Eleftheria Dossi, Jacqueline Akhavan, Sally E. Gaulter, Richard G. Williams, William J. Doe, Propellants, Explosives, Pyrotechnics, 2018

Abstract Isocyanates are highly reactive and toxic substances with severe health effects. Certain diisocyanates are restricted under REACH – The European Regulation on Registration, Evaluation, Authorisation and Restriction of Chemicals. Triethyleneglycol diglycidyl ether (TEGDGE) was used as ...

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Synthesis, Thermal Properties and Sensitivity of Ladder‐Like Nitrocellulose Grafted by Polyethylene Glycol

16-Jan-2018 | Xiangjun Meng, Zhenggang Xiao, Propellants, Explosives, Pyrotechnics, 2018

Abstract The sensitivity study of propellants has been receiving heightened attentions from a lot of investigators. These propellants based on nitrocellulose are sensitive to accidental stimuli that result in catastrophic accidents. Thus energetic thermoplastic elastomers have been used as ...

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Treatment of TNT Red Water Using Ice Crystallization

10-Jan-2018 | Jeong‐Hyeon Jo, Hyoun‐Soo Kim, Kwang‐Joo Kim, Propellants, Explosives, Pyrotechnics, 2018

Abstract Crystallization of ice from TNT red water was studied using a scraped unit. Growth rate, crystal size distribution, and median particle size of ice crystals were measured. The effect of subcooling, temperature, growth rate, and crystal size on the treatment of red water was ...

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Studying Crosslinker Chemical Structure Effect on the Tuning Properties of HTPB‐Based Polyurethane

10-Jan-2018 | Masoud Yarmohammadi, Saied Komeili, Mansour Shahidzadeh, Propellants, Explosives, Pyrotechnics, 2018

Abstract Hydroxyl terminated polybutadiene based polyurethanes with various crosslinker compounds have been prepared to investigate the effect of crosslinker content and structure on polyurethanes mechanical properties. Three various crosslinkers have been used in this study, including ...

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Research on Tensile Mechanical Properties and Damage Mechanism of Composite Solid Propellants

10-Jan-2018 | Liang Zhang, Shijun Zhi, Zhibin Shen, Propellants, Explosives, Pyrotechnics, 2018

Abstract The study focuses on the tensile mechanical properties and damage mechanisms of composite solid propellants under extensive temperatures and strain rates. Uniaxial tensile tests of the propellant have been conducted at the temperature of +70 °C, +23 °C and −50 °C separately with ...

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Thermal and Rheological Properties of PGN, PNIMMO and P(GN/NIMMO) Synthesized via Mesylate Precursors

10-Jan-2018 | Qingfeng Dong, Houbin Li, Xinghai Liu, Chi Huang, Propellants, Explosives, Pyrotechnics, 2018

Abstract Glycidyl nitrate and 3‐nitratomethyl‐3‐methyloxetane were synthesized by the nucleophilic substitution reaction using tetrabutylammonium nitrate as a solid‐liquid phase‐transfer catalyst, then poly(glycidyl nitrate) (PGN), poly(3‐nitratomethyl‐3‐methyloxetane) (PNIMMO) and ...

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Pendant Chains Are Not Just Decorations: Investigation of Structure‐Property Relationships of Azido Oxetane Polymers

10-Jan-2018 | Yiding Ma, Yingzhe Liu, Tao Yu, Weipeng Lai, Zhongxue Ge, Zhenyi Jiang, Propellants, Explosives, Pyrotechnics, 2018

Abstract The influence of the structure of azido oxetane polymers, i. e., the location, length and number of the pendant chains on their densities, enthalpies of formation, glass transition temperatures and mechanical properties of the polymers were investigated. The results show that the ...

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Pendant Chains Are Not Just Decorations: Investigation of Structure‐Property Relationships of Azido Oxetane Polymers

10-Jan-2018 | Yiding Ma, Yingzhe Liu, Tao Yu, Weipeng Lai, Zhongxue Ge, Zhenyi Jiang, Propellants, Explosives, Pyrotechnics, 2018

Abstract The influence of the structure of azido oxetane polymers, i. e., the location, length and number of the pendant chains on their densities, enthalpies of formation, glass transition temperatures and mechanical properties of the polymers were investigated. The results show that the ...

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