Fire retardant formulations

Research output: PatentPatent – Annual report year: 2017Research


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The present invention relates to compositions where a substrate is liable to catch fire such as bituminous products, paints, carpets or the like. The invention relates to a composition comprising 40-95 weight % of a substrate to be rendered fire resistant such as bituminous material or paint, carpets which substrate is mixed with 5-60 weight % of a fire retardant component. The invention relates to a fire retardant component comprising or being constituted of attapulgite, and a salt being a source of a blowing or expanding agent, where the attapulgite and the salt are electrostatically connected by mixing and subjecting the mixture of the two components to agitation. Also, the invention relates to compositions comprising 40-95 weight % of a substrate to be rendered fire resistant mixed with 5-60 weight % of a fire retardant according to claim 1 or 2, which fire retardant component is mixed with the substrate or coated onto the substrate or applied as a separate layer to the substrate. The composition might additionally comprise between 0 -60 weight % of 20 other materials functioning as filler, plasticizer or the like.

Original languageEnglish
IPCC09K 21/ 12 A I
Patent numberWO2017005546
Filing date12/01/2017
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date09/07/2015
Priority numberEP20150176039
Publication statusPublished - 12 Jan 2017
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ID: 138455776