Phyllosilicate-intercalation compounds with increased expansion volume, method for their synthesis and their use

Abstract From the Canadian patent

A method is described for producing phyllosilicate-intercalation compounds with an increased expansion rate and/or a modified onset temperature by intercalating intercalate compounds in native expandable, phyllosilicates, especially native vermiculite. The method is wherein at least one representative of the group comprising alcoholates of lithium and potassium and salts of lithium, sodium and potassium with organic acids is intercalated as intercalate compounds in the native phyllosilicate. Furthermore the phyllosilicate-intercalation compounds obtained thereby and their use as intumescing materials as intumescing, fire-retarding, additive and/or in expanded form can he used as additive …