Journal
POLYMER
Volume 51, Issue 15, Pages 3551-3559Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2010.05.049
Keywords
Shape memory polymers; Radiation crosslinking; Thermomechanical properties
Categories
Funding
- NSF [0221600, 0912586]
- Directorate For Engineering
- Div Of Industrial Innovation & Partnersh [0912586] Funding Source: National Science Foundation
- Division Of Graduate Education
- Direct For Education and Human Resources [0221600] Funding Source: National Science Foundation
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Shape-memory polymers (SMPs) are active smart materials with tunable stiffness changes at specific, tailored temperatures. The use of thermoset SMPs has been limited in commodity applications because a variety of common low-cost plastics processing techniques are not possible with network polymers. In this study of thermoset SMPs, beyond adjusting the glass transition temperature (T(g)) between 25 and 75 degrees C and tuning the recoverable force between 0.5 and 13 MPa, a novel manufacturing process, Mnemosynation, is described. The customizable mechanical properties of traditional SMPs are coupled with traditional plastic processing techniques to enable a new generation of mass producible plastic products with thermosetting shape-memory properties: low residual strains, tunable recoverable force and adjustable T(g). The results of this study are intended to enable future advanced applications where mass manufacturing, the ability to accurately and independently position T(g) and the ability to tune recoverable force in SMPs are required. Published by Elsevier Ltd.
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