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- W2904108843 startingPage "277" @default.
- W2904108843 abstract "In times of climatic changes and gigantic garbage patches swimming in the ocean, the interest in a sustainable and degradable alternative to nondegradable, oil-derived polymers is particularly high and rising. In this field, materials based on cellulose nanofibrils (CNFs) are very promising candidates. The respective aqueous suspensions can be used as cell medium, as heavy metal scavenger, or can be modified as anti-microbial material. By embedment of the cellulosic material into a polymer matrix, the physical and mechanical properties can be tuned and new functionalities can be introduced to obtain, among others, magnetic hydrogels or to be used as ink for 3D printing of cell scaffolds and 4D biomimetic printing. CNFs solvogels can be dried to obtain ultralight materials with densities as low as 0.2 mg cm−3 and surface areas of 600 m2 g−1. In contrast to silica aerogels, the respective aerogels possess high mechanical strength combined with high flexibility and CNF aerogels can even be obtained by ambient-drying. However, there are still issues related to CNFs, such as the large amount of energy required for their production and the redispersibility of their dried suspension in water and other solvents. These remaining challenges and the possibility to synthesize aerogels and hydrogels with promising properties and high functionality are reasons for the rising interest in this research area." @default.
- W2904108843 created "2018-12-22" @default.
- W2904108843 creator A5002871709 @default.
- W2904108843 creator A5007156360 @default.
- W2904108843 creator A5011495446 @default.
- W2904108843 date "2018-11-29" @default.
- W2904108843 modified "2023-10-16" @default.
- W2904108843 title "Cellulose Nanofibrils: From Hydrogels to Aerogels" @default.
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