Ibuprofen is encapsulated within the hydrogen bonding network of a smart polysiloxane above LCST, and then released when temperature falls below LCST and the polymer becomes water-soluble.
Smart inorganic polymers (SIPs) are hybrid or fully inorganic polymers with tunable (smart) properties such as stimuli responsive physical properties (shape, conductivity, rheology, bioactivity, self-repair, sensing etc.).[1] While organic polymers are often petrol-based, the backbones of SIPs are made from elements other than carbon which can lessen the burden on scarce non-renewable resources and provide more sustainable alternatives. Common backbones utilized in SIPs include polysiloxanes, polyphosphates, and polyphosphazenes, to name a few.
SIPs have the potential for broad applicability in diverse fields spanning from drug delivery and tissue regeneration to coatings and electronics.[2][3] As compared to organic polymers, inorganic polymers in general possess improved performance and environmental compatibility (no need for plasticizers, intrinsically flame-retardant properties). The unique properties of different SIPs can additionally make them useful in a diverse range of technologically novel applications, such as solid polymer electrolytes for consumer electronics, molecular electronics with non-metal elements to replace metal-based conductors, electrochromic materials, self-healing coatings, biosensors, and self-assembling materials.[1]
^ abCite error: The named reference :0 was invoked but never defined (see the help page).
^Chivers T, Manners I (2009). Inorganic Rings and Polymers of the p-Block Elements. Cambridge, UK: RSC Publishing. ISBN 978-1-84755-906-7.
^Baumgartner T, Jaekle F (2018). Main Group Strategies towards Functional Hybrid Materials. Wiley. ISBN 978-1-119-23597-2.
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