In situ measurements of free volume during recovery process of a shape memory polymer

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• 作者：Nuria Garc&iacute ; a-Huete^a ; ^{nuria.garcia@bcmaterials.net} ; Eneko Axpe^b ; ^c ; José ; Mar&iacute ; a Cuevas^d ; David Mé ; rida^b ; José ; Manuel Laza^e ; José ; Á ; ngel Garc&iacute ; a^a ; ^f ; José ; Luis Vilas^a ; ^e ; Fernando Plazaola^b ; Luis Manuel Leó ; n^a ; ^e
• 关键词：Shape memory polymer ; In situ free volume ; Positron annihilation lifetime spectroscopy
• 刊名：Polymer
• 出版年：2017
• 出版时间：27 January 2017
• 年：2017
• 卷：109
• 期：Complete
• 页码：66-70
• 全文大小：714 K
• 卷排序：109

文摘

We measure in situ the free volume properties along the shape recovery of a SMP. Free volume holes were measured by PALS. We determined the probability density functions of the free volume hole sizes. During the shape recovery, the free volume molecular re-organisation is achieved.