Vacuum insulation panel comprising an organic aerogel
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United States of America Patent
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Apr 3, 2018
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app pub date -
Feb 12, 2014
filing date -
Feb 12, 2014
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Abstract
The present invention relates to a vacuum insulation board (1) comprising:
- a hermetically closed covering (3) in which the pressure is lower than atmospheric pressure,a core material (5) made of organic aerogel placed inside said covering (3),said organic aerogel being based on a resin resulting at least in part from polyhydroxybenzene(s) R and formaldehyde(s) F,said organic aerogel being a polymeric monolithic organic gel comprising at least one water-soluble cationic polyelectrolyte,or said organic aerogel being a pyrolysate of said gel in the form of a porous carbon monolith comprising the product of the pyrolysis of said at least one water-soluble cationic polyelectrolyte P,said organic aerogel exhibiting a specific thermal conductivity of between 10 and 40 mW·m−1·K−1 at atmospheric pressure.
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