Cargando…

Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light

Shape memory polymers are attractive smart materials that have many practical applications and academic interest. Three-dimensional (3D) printable shape memory polymers are of great importance for the fabrication of soft robotic devices due to their ability to build complex 3D structures with desire...

Descripción completa

Detalles Bibliográficos
Autores principales: Sachyani Keneth, Ela, Lieberman, Rama, Rednor, Matthew, Scalet, Giulia, Auricchio, Ferdinando, Magdassi, Shlomo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7182824/
https://www.ncbi.nlm.nih.gov/pubmed/32210051
http://dx.doi.org/10.3390/polym12030710
_version_ 1783526308848861184
author Sachyani Keneth, Ela
Lieberman, Rama
Rednor, Matthew
Scalet, Giulia
Auricchio, Ferdinando
Magdassi, Shlomo
author_facet Sachyani Keneth, Ela
Lieberman, Rama
Rednor, Matthew
Scalet, Giulia
Auricchio, Ferdinando
Magdassi, Shlomo
author_sort Sachyani Keneth, Ela
collection PubMed
description Shape memory polymers are attractive smart materials that have many practical applications and academic interest. Three-dimensional (3D) printable shape memory polymers are of great importance for the fabrication of soft robotic devices due to their ability to build complex 3D structures with desired shapes. We present a 3D printable shape memory polymer, with controlled melting and transition temperature, composed of methacrylated polycaprolactone monomers and N-Vinylcaprolactam reactive diluent. Tuning the ratio between the monomers and the diluents resulted in changes in melting and transition temperatures by 20, and 6 °C, respectively. The effect of the diluent addition on the shape memory behavior and mechanical properties was studied, showing above 85% recovery ratio, and above 90% fixity, when the concentration of the diluent was up to 40 wt %. Finally, we demonstrated multi-material printing of a 3D structure that can be activated locally, at two different temperatures, by two different stimuli; direct heating and light irradiation. The remote light activation was enabled by utilizing a coating of Carbon Nano Tubes (CNTs) as an absorbing material, onto sections of the printed objects.
format Online
Article
Text
id pubmed-7182824
institution National Center for Biotechnology Information
language English
publishDate 2020
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-71828242020-05-01 Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light Sachyani Keneth, Ela Lieberman, Rama Rednor, Matthew Scalet, Giulia Auricchio, Ferdinando Magdassi, Shlomo Polymers (Basel) Article Shape memory polymers are attractive smart materials that have many practical applications and academic interest. Three-dimensional (3D) printable shape memory polymers are of great importance for the fabrication of soft robotic devices due to their ability to build complex 3D structures with desired shapes. We present a 3D printable shape memory polymer, with controlled melting and transition temperature, composed of methacrylated polycaprolactone monomers and N-Vinylcaprolactam reactive diluent. Tuning the ratio between the monomers and the diluents resulted in changes in melting and transition temperatures by 20, and 6 °C, respectively. The effect of the diluent addition on the shape memory behavior and mechanical properties was studied, showing above 85% recovery ratio, and above 90% fixity, when the concentration of the diluent was up to 40 wt %. Finally, we demonstrated multi-material printing of a 3D structure that can be activated locally, at two different temperatures, by two different stimuli; direct heating and light irradiation. The remote light activation was enabled by utilizing a coating of Carbon Nano Tubes (CNTs) as an absorbing material, onto sections of the printed objects. MDPI 2020-03-23 /pmc/articles/PMC7182824/ /pubmed/32210051 http://dx.doi.org/10.3390/polym12030710 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Sachyani Keneth, Ela
Lieberman, Rama
Rednor, Matthew
Scalet, Giulia
Auricchio, Ferdinando
Magdassi, Shlomo
Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light
title Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light
title_full Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light
title_fullStr Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light
title_full_unstemmed Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light
title_short Multi-Material 3D Printed Shape Memory Polymer with Tunable Melting and Glass Transition Temperature Activated by Heat or Light
title_sort multi-material 3d printed shape memory polymer with tunable melting and glass transition temperature activated by heat or light
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7182824/
https://www.ncbi.nlm.nih.gov/pubmed/32210051
http://dx.doi.org/10.3390/polym12030710
work_keys_str_mv AT sachyanikenethela multimaterial3dprintedshapememorypolymerwithtunablemeltingandglasstransitiontemperatureactivatedbyheatorlight
AT liebermanrama multimaterial3dprintedshapememorypolymerwithtunablemeltingandglasstransitiontemperatureactivatedbyheatorlight
AT rednormatthew multimaterial3dprintedshapememorypolymerwithtunablemeltingandglasstransitiontemperatureactivatedbyheatorlight
AT scaletgiulia multimaterial3dprintedshapememorypolymerwithtunablemeltingandglasstransitiontemperatureactivatedbyheatorlight
AT auricchioferdinando multimaterial3dprintedshapememorypolymerwithtunablemeltingandglasstransitiontemperatureactivatedbyheatorlight
AT magdassishlomo multimaterial3dprintedshapememorypolymerwithtunablemeltingandglasstransitiontemperatureactivatedbyheatorlight