Bez tytulu slajdu

1
Sol-gel processing basics
Xerogel film
Dense film
Heating
coating
Glass,
Wet gel
dense
Xerogell
ceramics
Heating
coating
Evaporation

Aerogel
Gelation
Solvent removing
Unisized
Gelled spheres
percipitation
spinning
Sol

Oven

Ceramic fibers
1. HYDROLYSIS S i(OR)4 nH2O ? (OR)4-n-Si-(OH)n
nROH 2. CONDENSATION (RO)3Si-OR HO-Si(OR)3
? (RO)3Si-O-Si(OR)3 ROH (RO)3Si-OH
HO-Si(OR)3 ? (RO)3Si-O-Si(OR)3 H2O