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Energy efficient soundproofing window retrofits

Patent ·
OSTI ID:1860054
Described herein are window retrofits including a monolithic silica aerogel slab having (i) an average haze value of <5% as calculated in accordance with ASTM standard D1003-13 and (ii) a U-factor of <0.5 BTU/sf/hr/° F., and a transparent polymer envelope sealed at an internal pressure of ≤1 atmosphere, wherein the monolithic silica aerogel slab is encapsulated in the transparent polymer envelope. The monolithic aerogel slab can have a transmittance >94% at 8 mm thickness. The window retrofit can be bonded to a glass sheet.
Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
DOE Contract Number:
AR0000471
Assignee:
Massachusetts Institute of Technology (Cambridge, MA)
Patent Number(s):
11,170,750
Application Number:
16/394,447
OSTI ID:
1860054
Country of Publication:
United States
Language:
English

References (13)

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Performance evaluation of buildings with advanced thermal insulation system: A numerical study journal September 2016
Perspective of aerogel glazings in energy efficient buildings journal January 2016
Synthesis, Structural and Thermal Properties of Nano-porous SiO2-based Aerogels
  • Zhang, Hexin; Hong, Changqing; Qiao, Yingjie
  • Advances in Nanocomposites - Synthesis, Characterization and Industrial Applications https://doi.org/10.5772/14429
book April 2011

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