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Zeolite objects for molecular decontamination in space

Synthesis and characterisation of zeolite objects to minimise the risk of pollution in space.

In the field of space, molecular contamination is a major problem that can significantly affect the performance of embedded instruments. According to the thermal environment, some polluting molecules resulting from the vacuum degassing of the satellite's constituent materials become deposited on sensitive surfaces, optics, sensors, thermal control surfaces. Due to their organised microporous structure which gives them remarkable adsorption capacity, zeolites are proving to be a robust choice for minimising pollution risks. These zeolite objects (films, pellets, beads, paints,etc.) developed by researchers at the IS2M, a MICA structure, offer, more precisely, the advantage of being directly integrated into the internal structure of the satellites and are lightweight, durable and not powdery.

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