TY - JOUR
T1 - The influence of electron beam irradiation on the mechanical and thermal properties of Poly (ether-block-amide) blends
AU - Murray, Kieran A.
AU - Kennedy, James E.
AU - McEvoy, Brian
AU - Vrain, Olivier
AU - Ryan, Damien
AU - Cowman, Richard
AU - Higginbotham, Clement L.
PY - 2014/1
Y1 - 2014/1
N2 - High energy electron beam irradiation of Poly (ether-block-amide) (Pebax) can induce modifications and/or degradation to transpire in the material subsequent to treatment. To minimise this, Pebax was blended with three stabilisers where each formulation was subjected to electron beam radiation at doses of 25, 50 and 75. kGy. Mechanical testing revealed that the virgin Pebax and the Pebax blended with Irganox B215 provided the best radiation resistance in terms of the tensile strength, elongation at break and Young's modulus. Upon increase in radiation dose from 25 to 75. kGy, a gradual diminution was observed for the melt flow index (MFI) of the virgin Pebax, whereas Pebax blended with Irganox B215 had a minute effect on the properties post irradiation. This study provides evidence that the stabilisers used can either promote undesirable effects or enhance the radiation resistance of Pebax material following radiation exposure.
AB - High energy electron beam irradiation of Poly (ether-block-amide) (Pebax) can induce modifications and/or degradation to transpire in the material subsequent to treatment. To minimise this, Pebax was blended with three stabilisers where each formulation was subjected to electron beam radiation at doses of 25, 50 and 75. kGy. Mechanical testing revealed that the virgin Pebax and the Pebax blended with Irganox B215 provided the best radiation resistance in terms of the tensile strength, elongation at break and Young's modulus. Upon increase in radiation dose from 25 to 75. kGy, a gradual diminution was observed for the melt flow index (MFI) of the virgin Pebax, whereas Pebax blended with Irganox B215 had a minute effect on the properties post irradiation. This study provides evidence that the stabilisers used can either promote undesirable effects or enhance the radiation resistance of Pebax material following radiation exposure.
KW - Crosslinking and chain scission
KW - Electron beam irradiation
KW - Mechanical and thermal properties
KW - Poly (ether-block-amide)
KW - Stabilisers
UR - http://www.scopus.com/inward/record.url?scp=84887827526&partnerID=8YFLogxK
U2 - 10.1016/j.radphyschem.2013.04.009
DO - 10.1016/j.radphyschem.2013.04.009
M3 - Article
AN - SCOPUS:84887827526
SN - 0969-806X
VL - 94
SP - 26
EP - 30
JO - Radiation Physics and Chemistry
JF - Radiation Physics and Chemistry
IS - 1
ER -