Free radical kinetics in a plasma immersion ion implanted polystyrene: Theory and experiment

EA Kosobrodova, AV Kondyurin, K Fisher… - Nuclear Instruments and …, 2012 - Elsevier
The kinetics of free radicals in polystyrene (PS) treated by plasma immersion ion
implantation (PIII) in nitrogen plasma are investigated by means of electron paramagnetic …

Mechanical, thermal and morphological behaviour of the polystyrene/polypropylene (80/20) blend, irradiated with γ-rays at low doses (0–70 kGy)

C Albano, J Reyes, M Ichazo, J Gonzalez… - … degradation and stability, 2003 - Elsevier
The effect of low doses (0–70 kGy) of gamma irradiation on the mechanical, morphological
and thermal behaviour, at room temperature and in the presence of oxygen, of a …

Electron spin resonance studies on PS, PP and PS/PP blends under gamma irradiation

J Reyes, C Albano, M Claro, D Moronta - Radiation Physics and Chemistry, 2003 - Elsevier
Electron spin resonance studies on polystyrene (PS), polypropylene (PP) and on 80/20
PS/PP blends with and without compatibilizer (block SBS), at 7.5 wt%, irradiated with …

ESR investigations on ion beam irradiated polycarbonate

MI Chiparǎ, VV Grecu, PV Notingher… - Nuclear Instruments and …, 1994 - Elsevier
Electron spin resonance (ESR) investigations with a polycarbonate solid state nuclear
detector, irradiated with oxygen ions, are reported. The nature of the paramagnetic defects …

Correlation between bond cleavage in Parylene N and the degradation of its dielectric properties

JJ Senkevich, A Mallikarjunan… - … and solid-state …, 2004 - iopscience.iop.org
Parylene, a chemical vapor deposited polymer, is shown here to have limited stability when
annealed and/or bias temperature stressed. Parylene N thin films were preannealed at 250 …

ESR investigations on irradiated polystyrene

M Chipara, R Benson, MD Chipara… - Nuclear Instruments and …, 2003 - Elsevier
Electron spin resonance investigations on the free radicals generated in polystyrene by
gamma irradiation, in the temperature range 300–460 K, are reported. Assuming the …

Polystyrene thermodegradation—IV. Kinetics of radical formation in the presence of solid catalysts

P Carniti, A Gervasini, S Bernardelli - Polymer degradation and stability, 1997 - Elsevier
The catalytic degradation of polystyrene, carried out in sealed tubes with solid catalysts
having different acidic properties (ie silica-magnesia, silica-titania, mordenite and two silica …

Thermal and thermo‐oxidative degradation of polystyrene in the presence of ammonium sulfate

X Zhu, M Elomaa, F Sundholm… - … Chemistry and Physics, 1997 - Wiley Online Library
Ammonium sulfate was compounded into polystyrene (PS) to modify thermal degradation of
PS. At elevated temperatures, ammonium sulfate decomposes into ammonia, sulfuric acid …

Effects of acids on thermal and thermo-oxidatiye degradation of polystyrene

X Zhu - Polymer degradation and stability, 1997 - Elsevier
This study investigated the effects of three kinds of acids on the thermal and thermo-
oxidative degradation of polystyrene (PS). The studied additives were hydrogen zeolite Y …

Efecto de los rayos gamma (g) sobre el comportamiento mecánico, térmico y morfológico de las mezclas de ps/pp.

G Rodríguez, C Marlene - saber.ucv.ve
En los últimos años los productos plásticos han presentado un aumento importante en su
elaboración, debido a su empleo en las diversas áreas como son la medicina, la biología e …