Sulfuric Acid → HCID 131723189, compound

In a 1 L Erlenmeyer Flask, 10 g of fluoromica (NaMg2.5(Si4O10)F2, Coop Me-100, <0.2 percent weight loss below 800° C.) were dispersed in 600 mL of deionized water at ambient conditions for one hour. The white fluoromica was observed to swell and disperse in water yielding a semi-transparent slurry. In a separate flask, 2.5 g of ferrocene (Aldrich) were added to 20 mL of concentrated sulfuric acid and the resulting mixture was held under ambient conditions for one hour, producing a navy blue solution. This solution was diluted with 200 mL of deionized water, and then mixed with fluoromica slurry under magnetic stirring. Large blue agglomerates were observed. The mixture was stirred at room temperature for 30 minutes, then filtered, yielding a blue gel. The blue gel was washed by resuspending in 800 mL of deionized water for 30 minutes, and was recovered by filtration. This product was then dispersed in 500 mL of deionized water and freeze-dried. The dried, fluoromica lamellar aerogel was held on a high vacuum line (<10−6 torr) at 150 ° C. overnight.

1. customproducing a navy blue solution
2. additionmixed with fluoromica slurry under magnetic stirring
3. filtrationfiltered
4. customyielding a blue gel
5. washThe blue gel was washed
6. waitby resuspending in 800 mL of deionized water for 30 minutes
7. filtrationwas recovered by filtration
8. additionThis product was then dispersed in 500 mL of deionized water
9. customfreeze-dried
10. waitwas held on a high vacuum line (<10−6 torr) at 150 ° C. overnight

ORD record

ord-16af08f9c76a4d62b8631fa655276b53

Source dataset

uspto-grants-2002_04

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US06376421B2