Process for manufacturing a highly exfoliated vermiculite that, to form, does not require the use of organic binder or organic additive.

摘要

Process for preparing an exfoliated vermiculite comprising the following successive steps: - a step of heating a hydrated vermiculite not exfoliated at a temperature ranging from 400 to 600 ° C for a time varying from 3 to 7 hours, generating, in this way, a dehydrated vermiculite; - a step of contacting the dehydrated vermiculite with a solution comprising an intercalating agent can degrade generating at least one gas.