TL;DRAbstract
Electron beam-initiated crosslinking at ambient temperatures in the presence of air is a convenient way to upgrade the thermal stability of new polymeric materials and improve their physical and chemical properties. Response of irradiation-crosslinked ionomers, ethylene-vinyl acetate and ethylene-butadiene copolymers, to ionizing radiation dosages is different from that of low density polyethylene. In general, mechanical properties reach a maximum at a given total ionizing radiation dosage and begin to decline upon further exposure. Thermal stability and chemical resistance improve significantly after exposure to dosages on the order of 5 to 10 megarads or more.
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Electron beam-initiated crosslinking at ambient temperatures in the presence of air is a convenient way to upgrade the thermal stability of new polymeric materials and improve their physical and chemical properties. Response of irradiation-crosslinked ionomers, ethylene-vinyl acetate and ethylene-butadiene copolymers, to ionizing radiation dosages is different from that of low density polyethylene. In general, mechanical properties reach a maximum at a given total ionizing radiation dosage and begin to decline upon further exposure. Thermal stability and chemical resistance improve significantly after exposure to dosages on the order of 5 to 10 megarads or more.
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