Turkish Journal of Chemistry
Abstract
Cryogelation is a powerful technique for producing macroporous hydrogels called cryogels. Although cryogelation reactions and cryogels were discovered more than 70 years ago, they attracted significant interest only in the last 20 years mainly due to their extraordinary properties compared to the classical hydrogels such as a high toughness, almost complete squeezability, a mechanically stable porous structure with honeycomb arrangement, poroelasticity, and fast responsivity against external stimuli. In this mini review, general properties of cryogelation systems including the cryoconcentration phenomenon responsible for the unique properties of the cryogels are discussed. The squeezability and poroelasticity of cryogels comparable to those seen with articular cartilage are also discussed. Cryogelation reactions conducted within the pores of preformed cryogels and some novel cryogels with attractive properties are then discussed in the last section.
DOI
10.55730/1300-0527.3586
Keywords
Cryogels, cryogelation reactions, squeezability, mechanical anisotropy, organohydrogels, shape-memory
First Page
910
Last Page
926
Recommended Citation
OKAY, OĞUZ
(2023)
"Cryogelation reactions and cryogels: principles and challenges,"
Turkish Journal of Chemistry: Vol. 47:
No.
5, Article 6.
https://doi.org/10.55730/1300-0527.3586
Available at:
https://journals.tubitak.gov.tr/chem/vol47/iss5/6
