Julie Spiker Harmon

US Patent:

7094367, Aug 22, 2006

Filed:

Aug 13, 2003

Appl. No.:

10/604735

Inventors:

Julie P. Harmon - Tampa FL, US
LaNetra Michelle Clayton - Plant City FL, US
Patricia Muisener - Clearwater FL, US

Assignee:

University of Florida - Tampa FL

International Classification:

H01B 1/24
B05D 7/00
C08F 2/46
C08J 7/18

US Classification:

252511, 252502, 252500, 427212, 427258, 427487, 423445 B

Abstract:

The present invention provides a method for the effective dispersion of carbon nanotubes into a polymer matrix. Through a combination of dispersion through sonication, in situ polymerization, dissolution, and film casting, transparent polymer carbon nanotube composites are produced.

US Patent:

7399794, Jul 15, 2008

Filed:

Apr 28, 2005

Appl. No.:

11/117592

Inventors:

Julie P. Harmon - Tampa FL, US
LaNetra M. Clayton - Plant City FL, US

Assignee:

University of South Florida - Tampa FL

International Classification:

C08F 2/42
B60C 1/00
C08F 2/46

US Classification:

522161, 522157, 522 70, 264405, 524495, 524496, 20415715

Abstract:

Novel transparent composites composed of single wall carbon nanotubes incorporated into the matrix of a polymer are utilized in services wherein the composites are exposed to ionizing radiation, including galactic cosmic radiation. Accordingly, the composites are useful in deep space applications like space vehicles, space stations, personal equipment as well as applications in the biomedical arts and atom splitting research. The composites can be modified with organic dyes containing at least one phenyl ring and the resulting doped composite is useful as a radiation detector. The preferred polymer is poly(4-methyl-1-pentene).

US Patent:

7754055, Jul 13, 2010

Filed:

Dec 1, 2006

Appl. No.:

11/607772

Inventors:

Julie P. Harmon - Tampa FL, US
LaNetra M. Clayton - Plant City FL, US

Assignee:

University of South Florida - Tampa FL

International Classification:

B01J 19/10
B01J 19/00
C08J 3/28
C08F 2/42

US Classification:

20415762, 20415715, 522157, 522158, 522161, 522 70, 524495, 524496, 264405, 264442, 264448

Abstract:

Polymer/carbon nanotube composites including single-wall or multi-wall carbon nanotubes incorporated into the matrix of a polymer are provided. These composites can be used in environments exposed to galactic cosmic radiation. Accordingly, the composites are useful in deep space applications like space vehicles, space stations, personal equipment as well as applications in the biomedical arts and atom splitting research. The composites can be modified with organic dyes containing at least one phenyl ring and the resulting doped composite is useful as a radiation detector. The preferred polymer is poly(4-methyl-1-pentene). At low nanotube concentrations (i. e. , about 0. 5 wt % or less), the composites exhibit transparent optical qualities. At higher nanotube concentrations (i. e. , about 0. 6 wt % or more), the composites are non-transparent.

US Patent:

8034302, Oct 11, 2011

Filed:

Feb 24, 2010

Appl. No.:

12/711637

Inventors:

Norma A Alcantar - Tampa FL, US
Julie Harmon - Tampa FL, US

Assignee:

University of South Florida - Tampa FL

International Classification:

G01N 33/22

US Classification:

422420, 436106, 436524

Abstract:

Disclosed are chemically active surfaces for the detection of nitroaromatic, nitramine, and nitrate ester compounds, the primary constituents of explosive devices. Transparent conductive composites (TCCs) combine with gold nanoparticles in a conducting polymer matrix to create a conductive, flexible, and electrochromic material. Hybrid, nanostructured surfaces constructed from TCCs are decorated with conjugated conductive oligomer wires. Selective binding of the target to the oligomer alters the electron charge mobility in the TCC, affecting the redox state. The binding event is identified by measuring the conductivity of the TCC and/or through color changes of the TCC. Conjugated oligomers that are functionalized with thiol groups at one end and nitro-derivative receptors at the other provide the bases for selectivity and sensing. The thiol group anchors the oligomer to the metal sites on the TCC surface and the receptor starts the charge transfer mechanism when targeted with the appropriate molecule.

US Patent:

20060054488, Mar 16, 2006

Filed:

Dec 30, 2004

Appl. No.:

11/026962

Inventors:

Julie Harmon - Tampa FL, US
Patricia Anne Muisener - Clearwater FL, US
LaNetra Clayton - Plant City FL, US
John D'Angelo - St. Petersburg FL, US

International Classification:

C07C 1/00
B06B 1/02
H05B 6/00

US Classification:

204157150, 264442000, 264488000

Abstract:

Polymer composites directed to single wall carbon nanotubes (SWNT) dispersed within poly(methyl methacrylate) (PMMA) and their methods of synthesis. Composites of the present invention are also formulated as films and spun coat onto desired substrates. Advantageously, both the composites and films of the present invention exhibit resistance to radiation.

US Patent:

20100155220, Jun 24, 2010

Filed:

Mar 3, 2010

Appl. No.:

12/716659

Inventors:

Julie P. Harmon - Tampa FL, US
Patricia Anne O. Muisener - Tardon Springs FL, US
LaNetra M. Clayton - Plant City FL, US
John D'Angelo - St. Petersburg FL, US

International Classification:

B01J 19/08

US Classification:

20415763, 20415715, 977750

Abstract:

Polymer composites directed to single wall carbon nanotubes (SWNT) dispersed within poly(methyl methacrylate) (PMMA) and their methods of synthesis. Composites of the present invention are also formulated as films and spun coat onto desired substrates. Advantageously, both the composites and films of the present invention exhibit resistance to radiation.