We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Shape Memory Particles Capable of Controlled Geometric and Chemical Asymmetry made from Aliphatic Polyesters.
- Authors
Brosnan, Sarah M.; Jackson, Anne‐Martine S.; Wang, Yapei; Ashby, Valerie Sheares
- Abstract
A novel method for producing monodisperse micro- and nanosized shape memory particles from various shape memory polymers (SMPs) is reported. This method uses a polydimethylsiloxane mold to uniformly deform particles from complex shapes to other well-defined shapes, harvest them without aggressive solvents or heat, and then return them to their original shapes upon heating above a preselected trigger temperature. By manipulating the material properties of both the mold and SMP, monodisperse asymmetric particles are easily achieved. This method is demonstrated with traditional SMPs and polymers with varying degrees of reactive functionality, crystallinity, and transition temperature. This additional reactivity and the robustness of this system allow easy tailoring of the surface with click chemistry to achieve chemical asymmetry.
- Subjects
SHAPE memory polymers; ASYMMETRY (Chemistry); MOLECULAR structure of aliphatic compounds; POLYESTER fibers industry; MONODISPERSE colloids; UNIFORM polymers; POLYMER degradation
- Publication
Macromolecular Rapid Communications, 2014, Vol 35, Issue 19, p1653
- ISSN
1022-1336
- Publication type
Article
- DOI
10.1002/marc.201400199