NEWSSCRIPTS - C&EN Global Enterprise (ACS Publications)

Dec 17, 2001 - The Archimedes Palimpsest is a parchment manuscript written in Greek during the 10th century A.D. Archimedes (287-212 B.C.), it will be...
1 downloads 0 Views 657KB Size
Nano Technology NEWSCRIPTS Rescue work on Archimedes

Colloidal Silica dispersed in organic solvent. Type

Si02%

Dispersant

Particle Dia. (nm)

MT-ST MA-ST-M MA-ST-S IPA-ST IPA-ST-S EG-ST NPC-ST-30

30 40 30 30 30 20 30

12 22 9 12 9 12 12

MEK-ST MIBK-ST

30 30

DMAG-ST

20

Methanol Methanol Methanol Isopropanol Isopropanol Ethyleneglycol Ethyleneglycolmono-n-propylether Methyl ethyl ketone Methyl isobutyl ketone N,N-Dimethyl acetamide

12 12 12

Many more products are available.

Ηβ^Κ^Κ^^^^^^β^^^β

Type ST-UP MA-ST-UP

Si02% 20 20

Dispersant Water Methanol

chain molecules of silica. 5-20nm in width 40-300nm in length

WMMMÊ

g,:**m

ilsPÉipI ffB^SftlwïïÈMËÊÊÊ^ lfcS?SK^; 'ÉI&iKt^: W-'M:W0a, ^âi^§jm^ ST-PS

Pearl necklace shaped