Results 81 to 90 of about 3,611 (217)
Síntese de poliuretanos modificados por óleo de mamona empregados em materiais energéticos
Química Nova, 2013 The aim of this work was to synthesize a polyurethane polymer matrix using castor oil as a polymer chain modifier, whose characteristics can be adjusted for use as a binder in the manufacture of energetic materials such as propellant and pyrotechnics for
Roberta Jachura Rocha +4 more
doaj +1 more source
Degradation mechanism, hydrocarbon polymers Final technical report [PDF]
Degradation of hydrocarbon polymers by exposure to 275 F for 400 hours in presence and in absence of ammonium ...
Hamermesh, C. L.
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Automotive body panel containing thermally exfoliated graphite oxide [PDF]
, 2011 An automotive body panel containing a polymer composite formed of at least one polymer and a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m.sup.2/g to 2600 m.sup.2 ...
Abdala, Ahmed +3 more
core +1 more source
Macromolecular Materials and Engineering, Volume 310, Issue 11, November 2025.This study proposes a synthesis route for polyurethanes (PUs) derived from bio‐based polyols. The polyols were obtained through metathesis depolymerization of butadiene rubber using fatty alcohol (a castor oil derivative) as a chain transfer agent to produce hydroxyl‐terminated polybutadiene (HTPB).
Manuel Burelo +8 more
wiley +1 more source
Preliminary research of composite rocket propellants with hexogen and titanium oxide powder [PDF]
Scientific Technical Review, 2018 Composite solid propellants based on ammonium perchlorate/hydroxyl-terminated polybutadiene/isophorone dyisocyanate including two levels of hexogen (RDX) are presented in this paper. The mass of RDX increased in relation to oxidant, with constant bimodal
Rodić Vesna +3 more
doaj
Química Nova, 2008 The thermal decomposition of hydroxyl-terminated polybutadiene (HTPB)/ammonium nitrate (AN) based propellants, so called smokeless formulations, and raw materials were investigated by differential scanning calorimetry (DSC) and thermogravimetry (TG). The
Jony Andrade +6 more
doaj +1 more source
Conductive ink containing thermally exfoliated graphite oxide and method a conductive circuit using the same [PDF]
, 2011 A conductive ink containing a conductive polymer, wherein the conductive polymer contains at least one polymer and a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 sq m/g to 2600 sq ...
Aksay, Ilhan A., Prud'Homme, Robert K.
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Mass Spectrometry Reviews, Volume 44, Issue 6, Page 989-1012, November/December 2025.Abstract With the advent of soft ionization techniques such as electrospray (ESI) and matrix‐assisted laser desorption/ionization (MALDI) to produce intact gas‐phase ions from nonvolatile macromolecules, mass spectrometry has become an essential technique in the field of polymeric materials.
Thierry N. J. Fouquet +2 more
wiley +1 more source
Prediction of Propellant Electrostatic Sensitivity Based on Small-Sample Machine Learning Models
AerospaceHydroxyl-terminated-polybutadiene (HTPB)-based composite solid propellants are extensively used in aerospace and defense applications due to their high energy density, thermal stability, and processability.
Fei Wang +6 more
doaj +1 more source
Electrospray painted article containing thermally exfoliated graphite oxide and method for their manufacture [PDF]
, 2011 A painted polymer part containing a conductive polymer composition containing at least one polymer and a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 sq m/g to 2600 sq m/g, wherein
Aksay, Ilhan A. +2 more
core +1 more source