Fig. 1. Schematic diagram of molecular structure changes before and after irradiation: (a) APAO; (b) DAPA/APAO blends (color online)

Fig. 2. Gel contents of DAPA/APAO blends with different absorbed doses

Fig. 3. DSC spectra of DAPA and APAO

Fig. 4. DSC spectra of DAPA/APAO blends: (a) sample 1#; (b) sample 2#; (c) sample 3#; (d) sample 4#

Fig. 5. Oscillating temperature scanning (sample 1#): (a) absorbed dose 0 kGy; (b) absorbed dose 100 kGy; (c) absorbed dose 200 kGy; (d) absorbed dose 300 kGy

Fig. 6. Oscillating temperature scanning (sample 3#): (a) absorbed dose 0 kGy; (b) absorbed dose 100 kGy; (c) absorbed dose 200 kGy; (d): absorbed dose 300 kGy

Fig. 7. Intrinsic viscosity with the change of temperature: (a)sample 1#; (b) sample 2#; (c) sample 3#; (d) sample 4#

Fig. 8. Phase angle with the change of temperature: (a) sample 1#；(b) sample 2#；(c) sample 3#；(d) sample 4#

Fig. 9. Storage modulus with the change of frequency: (a) sample 1#；(b) sample 2#；(c) sample 3#；(d) sample 4#

Fig. 10. Intrinsic viscosity with the change of frequency: (a) sample 1#;(b) sample 2#;(c)sample 3#;(d) sample 4#