Bioinspired Mechanically Adaptive Polymer Nanocomposites with Water-Activated Shape-Memory Effect
نویسندگان
چکیده
منابع مشابه
Stimuli-responsive mechanically adaptive polymer nanocomposites.
A new series of biomimetic stimuli-responsive nanocomposites, which change their mechanical properties upon exposure to physiological conditions, was prepared and investigated. The materials were produced by introducing percolating networks of cellulose nanofibers or "whiskers" derived from tunicates into poly(vinyl acetate) (PVAc), poly(butyl methacrylate) (PBMA), and blends of these polymers,...
متن کاملStresses in Shape Memory Polymer-matrix Nanocomposites for Biomedical Applications
We report on the residual stresses in amorphous shape memory polymers reinforced with SiC particles. After 50% compression of the composite material at 25 °C, the SiC particles exhibit a compressive stress, which is almost completely released during heated recovery at 120 °C. The residual stresses in SiC hexagonal (6H) phase were estimated through the average change of the unit-cell volume. Lat...
متن کاملBioinspired Assembly of Inorganic Nanoplatelets for Reinforced Polymer Nanocomposites
Steel and metal alloys have long been used for structural applications because they are both strong and flaw-tolerant. By contrast, ceramics, which are strong but not tolerant to surface flaws and cracks, and polymers, which are flaw-tolerant and can deform under applied stresses, are less favourable as structural materials. However, nature has resolved this dilemma by millions of years of biol...
متن کاملBioinspired shape-memory graphene film with tunable wettability
Functional materials with specific surface wettability play an important role in a wide variety of areas. Inspired by nature's Nepenthes pitcher plant, we present a novel slippery film with tunable wettability based on a shape-memory graphene sponge. The porous graphene sponge coated with shape-memory polymer was used to lock in inert lubricants and construct slippery surfaces to repel differen...
متن کاملShape-Memory Polymer Composites
The development of shape-memory polymer composites (SMPCs) enables high recovery stress levels as well as novel functions such as electrical conductivity, magnetism, and biofunctionality. In this review chapter the substantial enhancement in mechanical properties of shape-memory polymers (SMPs) by incorporating small amounts of stiff fillers will be highlighted exemplarily for clay and polyhedr...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Macromolecules
سال: 2011
ISSN: 0024-9297,1520-5835
DOI: 10.1021/ma201502k