Controlled room temperature synthesis of magnetic metal...

Details Controlled room temperature synthesis of magnetic metal... Controlled room temperature synthesis of magnetic metal...

2006-01-31

2006-01-31

Koslow, C. Melissa (Department: 1755)

Compositions

Magnetic

With wax, bitumen, resin, or gum

C524S505000, C524S431000, C525S245000, C525S246000, C525S289000, C525S290000

Reexamination Certificate

active

06991741

ABSTRACT:
A method of room temperature synthesis of magnetic metal oxide nanoclusters within a diblock copolymer matrix includes the step of synthesizing, by ring opening metathesis polymerization technique, a diblock copolymer having a repeat unit ratio m
, introducing, at room temperature, one or several metal containing precursors into the one block of the diblock copolymer, and processing the metal containing diblock copolymer by wet chemical technique to form nanoclusters of the metal(s) oxide within the diblock copolymer matrix. Specific reaction for synthesis of CoFe3O4and Co3O4nanoclusters within diblock copolymers, such as [NOR]m/[NORCOOH]nand [NOR]m/[CO(bTAN)]n, respectively is used in the method of the present invention.

REFERENCES:
Ahmed et al, sythesis and Charactersization of Block Copolymer-CoFe2O4 nanoclusters:Parameters Influencing the Magnetic Properties of the Nanocomposite. Abstracts of papers presented at 220thACS National meeting, Aug. 20-24, 2000.

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