aerogels
Download
Skip this Video
Download Presentation
Aerogels

Loading in 2 Seconds...

play fullscreen
1 / 5

Aerogels - PowerPoint PPT Presentation


  • 98 Views
  • Uploaded on

Aerogels. Recipe Features Additional Information . Recipe. Ingredients Precondensed silica (Silbond H-5, TEOS, or equivalent) Catalyst (ethanol, water, aqueous ammonia or protic acid) Process Place material into autoclave filled with ethanol

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Aerogels' - keely-robles


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
aerogels
Aerogels
  • Recipe
  • Features
  • Additional

Information

recipe
Recipe
  • Ingredients
    • Precondensed silica (Silbond H-5, TEOS, or equivalent)
    • Catalyst (ethanol, water, aqueous ammonia or protic acid)
  • Process
    • Place material into autoclave filled with ethanol
    • Pressurize at 750-850 psi with CO2 & Temperature at 5-10 (C)
    • Use liquid CO2 to remove the ethanol
    • Adjust pressure and temperature to critical points of CO2
    • Using drying process, finished product takes 12 hours to 6 days
features
Features
  • Large internal surface area
    • 400-1000 m3/g
  • Mechanically strong
    • Support over 1500x own weight
  • Transparent / Optical clarity
  • Good heat/sound insulator
  • Extremely low density
    • 0.003 g/cm3
additional information
Additional Information
  • Cost
  • Disadvantage
  • Types of Aerogels
reference
Reference
  • eande.lbl.gov/ECS/aerogels/satoc.htm
  • www.mkt-intl.com/aerogels/
  • www.mrw.interscience.wiley.com/ueic/articles/