Variation of Free Volume and Hydrogen Bond in Shape-Memory Polymer (Polyurethane) upon Temperature Studied with Positron Annihilation Lifetime Technique and Infrared Spectrometry.
1996 ◽
Vol 211
(1)
◽
pp. 53-60
◽
2010 ◽
Vol 666
◽
pp. 99-102
◽
2018 ◽
Vol 174
(3-4)
◽
pp. 214-228
◽
2012 ◽
Vol 51
(4)
◽
pp. 396-400
◽
2014 ◽
Vol 110
◽
pp. 389-394
◽
1994 ◽
Vol 175-178
◽
pp. 743-746
◽
2017 ◽
Vol 373
◽
pp. 261-264
◽