| abstract |
The present invention: -Fabric reinforcement (5), -Organic airgel (3) placed in the fabric reinforcement (5) Including, The organic airgel (3) is based on a resin at least partially derived from polyhydroxybenzene(s) (R) and from formaldehyde(s) (F), The organic airgel (3) is a polymeric organic gel containing at least one water-soluble cationic polymer electrolyte, The organic airgel (3) is a thermal decomposition product of the gel in the form of a porous carbon monolith containing a product of thermal decomposition of the one or more water-soluble cationic polymer electrolytes (P), The organic airgel 3 is related to a flexible composite organic aerogel 1 having a specific thermal conductivity of 10 to 40 mW.m - 1 .K -1 at atmospheric pressure. |