Polyhedral oligomeric silsesquinoxanes and polyhedral...

Details Polyhedral oligomeric silsesquinoxanes and polyhedral... Polyhedral oligomeric silsesquinoxanes and polyhedral...

2007-09-04

2007-09-04

Zimmer, Marc S. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

C524S266000, C524S268000, C528S025000

Reexamination Certificate

active

10968370

ABSTRACT:
This invention teaches the preparation and compositions of POSS nanostructured chemicals bearing a variety of onium-type surfactants. The surfactants serve as low-cost compatibilizing groups for polyhedral oligomeric silsesquioxane and polyhedral oligomeric silicate nanostructures with man-made polymer and biological systems. Variations of the surfactants also provide reactivity for the nanostructured chemicals with man-made and biological materials. The surfactant bearing nanostructured chemicals are useful as alloying agents is for controlling the structure and bulk physical properties of materials from the nanoscopic length scale. Alternately, the surfactants can be eliminated from the nanostructures to render the formation of nanoscopically dispersed silica particles.

REFERENCES:
patent: 2002/0052434 (2002-05-01), Lichtenhan et al.
patent: 2005/0142054 (2005-06-01), Hasegawa et al.
“Silicate Species with Cagelike Structure in Solutions and Rapid Solidification with Organic Quaternary Ammonium Ions” authored by Hasegawa et al. and published in Zeolite Synthesis (ACS Symposium Series, 1989, vol. 398, p. 140-151.
“Two Substituted Cubic Octameric Silicate Cages in Aquoues Solution” authored by Kinrade et al. and published in J. Chem Soc. Dalton. Trans., 2002, vol. 7, p. 1250-1252.

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