2024
DOI: 10.1007/s10971-024-06494-7
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Plastic deformation and heat-enabled structural recovery of monolithic silica aerogels

Julien Gonthier,
Ernesto Scoppola,
Aleksander Gurlo
et al.

Abstract: Drying shrinkage during ambient pressure drying of silica gels is made reversible by preventing condensation reactions of surface silanol groups via surface modification. This partial recovery of the gel volume and structure is referred to as the spring-back effect (SBE) and enables the production of monolithic silica aerogels by evaporative drying. The SBE is sometimes completed by annealing at mild temperatures. Similarities between drying-related deformations and deformations induced by mechanical stimuli s… Show more

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