LI Yintao LI Linfan ZHANG Yan YAO Side XIE Leidong. Thermal oxidation process of SBS-g-MAH by γ-ray irradiation[J]. Nuclear techniques, 2009, 32(5): 351-355.
LI Yintao LI Linfan ZHANG Yan YAO Side XIE Leidong. Thermal oxidation process of SBS-g-MAH by γ-ray irradiation[J]. Nuclear techniques, 2009, 32(5): 351-355.DOI:
Thermal oxidation processes of styrene-butadiene-styrene(SBS) copolymer grafted by γ-rays with maleic anhydride(MAH)
and pure SBS
were studied using FT-IR and DSC analysis.The results show that the thermal oxidation process of SBS is a free radical self-catalyzed reaction with both crosslinking and scission and the latter is the main process.The thermal oxidation productions may be alcohol
aldehyde
acid
anhydride
etc.Comparing with pure SBS
the inducing temperature and oxidation time involved in oxidation process of SBS-g-MAH increase due to the reduction of double bond and α-H in PB segment.It can be predicated that the thermo-oxidative stability of SBS-g-MAH would be better than that of SBS in application for polymer modified asphalt.