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US 2014/0273701 A1Published application
Aerogel blanket and method of production
AssigneeCabot Corporation
InventorsSusnata Samanta, Peter F. Pescatore, Bryan P. Thomas
Life of this patent
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Abstract
A method of making a nonwoven wet laid aerogel blanket is provided. The aerogel blanket can exhibit improved thermal conductivity, lower corrosivity, lower dust production and a uniform structure. The blanket can be made from an aerogel floc that is formed from a slurry of aerogel particles.
Claims25
A nonwoven insulation blanket comprising:
- aerogel particles;
- fibers;
- and
- a binder, wherein the density of aerogel particles in the upper 10% of a cross section of the blanket is within +/−20% of the density of aerogel particles in the lowest 10% of the cross section.
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A method of making a nonwoven aerogel blanket, the method comprising:
- mixing aerogel particles and non-aerogel fibers with water to produce an aqueous slurry;
- flocculating and/or coagulating the slurry to form floc and a supernatant, the floc including aerogel particles and non-aerogel fibers;
- and
- dewatering the floc to make the nonwoven aerogel blanket.
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Dependencies are inferred from the claim text.