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Abstract

Engineering

Aesthetically Enhanced Silica Aerogel Via Incorporation of Laser Etching and Dyes

Published: March 12th, 2021

DOI:

10.3791/61986

1Department of Mechanical Engineering, Union College, 2Department of Chemistry, Union College

Abstract

A procedure for aesthetically enhancing silica aerogel monoliths by laser etching and incorporation of dyes is described in this manuscript. Using a rapid supercritical extraction method, large silica aerogel monolith (10 cm x 11 cm x 1.5 cm) can be fabricated in about 10 h. Dyes incorporated into the precursor mixture result in yellow-, pink- and orange-tinged aerogels. Text, patterns, and images can be etched onto the surface (or surfaces) of the aerogel monolith without damaging the bulk structure. The laser engraver can be used to cut shapes from the aerogel and form colorful mosaics.

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Keywords Laser Etching

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