Chenggang G Chen from 3760 Mesquite Dr, Dayton, OH 45440, age 58, Phone: (937)4272632

Us Patents

Method Of Forming Nanocomposite Materials
view source
US Patent:

20050245665, Nov 3, 2005
Filed:

May 23, 2005
Appl. No.:

11/134886
Inventors:

Chenggang Chen - Beavercreek OH, US
International Classification:

C08K003/34
US Classification:

524493000
Abstract:

A method of making a nanocomposite having homogeneously dispersed individual nanosize spherical silica particles. The invention also involves a method of making a nancomposite having homogeneously dispersed small aggregated nanosize spherical silica particles.

Method Of Forming Nanocomposite Materials
view source
US Patent:

20050272847, Dec 8, 2005
Filed:

May 23, 2005
Appl. No.:

11/134937
Inventors:

Chyi-Shan Wang - Beavercreek OH, US
Max Alexander - Centerville OH, US
Chenggang Chen - Beavercreek OH, US
International Classification:

C08K003/34
US Classification:

524442000, 524492000
Abstract:

A method of making a polymeric nanocomposite material. The method includes combining nanosize materials, such as layered silicates, or nanosize sphered silica, with a polymer and a solvent to form a substantially homogeneous mixture, followed by removal of the solvent. The method forms a layered-silicate nanocomposite with an intercalated nanostructure with very large interplanar spacing or a combination of intercalated and exfoliated nanostructure.

Method Of Forming Nanocomposite Materials
view source
US Patent:

20060079623, Apr 13, 2006
Filed:

May 23, 2005
Appl. No.:

11/135091
Inventors:

Chenggang Chen - Beavercreek OH, US
International Classification:

C08K 9/04
US Classification:

524445000
Abstract:

A method of making a polymeric nanocomposite material. The method includes combining nanosize materials, such as layered silicates, or tube-silicates, with a thermosetting polymer and a solvent to form a substantially homogeneous mixture, removing the solvent, adding a curing agent, and ultrasonicating the mixture.

Sheet And Tube Siloxane Polymers Containing A Pendent Organofunctional Group
view source
US Patent:

59772484, Nov 2, 1999
Filed:

Jun 3, 1998
Appl. No.:

9/089701
Inventors:

Chenggang Chen - Cleveland OH
Dimitris Elias Katsoulis - Midland MI
Malcolm Edward Kenney - Cleveland Heights OH
Assignee:

Dow Corning Corporation - Midland MI
Case Western Reserve University - Cleveland OH
International Classification:

C08K 516
US Classification:

524717
Abstract:

Gels, cast films, coatings, extruded rods, extruded fibers, compression molded discs, and machined compression molded discs, are made from organopolysiloxane sheet or tube polymers such as an apophyllite-derived 3-cyanopropyldimethyl siloxy sheet polymer of the formula [((NCC. sub. 3 H. sub. 6)(CH. sub. 3). sub. 2 SiO). sub. x (HO). sub. 1-x SiO. sub. 1. 5 ]. sub. n. Polymers are prepared by contacting sheet or tube silicates with an organohalosilane containing at least one polar group such as cyanoalkyl, acyloxy, or haloalkyl, in the presence of a polar solvent or a mixture of a polar solvent and a non-polar solvent; and heating the mixture until a polymer is formed.

Silicone Gels And Composites From Sheet And Tube Organofunctional Siloxane Polymers
view source
US Patent:

60137053, Jan 11, 2000
Filed:

Sep 17, 1998
Appl. No.:

9/156136
Inventors:

Chenggang Chen - Cleveland OH
Dimitris Elias Katsoulis - Midland MI
Malcolm Edward Kenney - Cleveland Heights OH
Assignee:

Dow Corning Corporation - Midland MI
International Classification:

C08K 534
US Classification:

524100
Abstract:

Articles of manufacture, such as bulk composites, composite coatings, and composite films, can be prepared by exposing a gel to air, and allowing it to stand at room temperature to cure. The gel is obtained by mixing an organopolysiloxane sheet or tube polymer with an alkoxysilane. Organopolysiloxane sheet or tube polymers are obtained by contacting sheet or tube silicates with an organohalosilane and a solvent, and heating the mixture.

Sheet And Tube Siloxane Polymers Containing Multiple Pendent Groups
view source
US Patent:

59772816, Nov 2, 1999
Filed:

Jun 3, 1998
Appl. No.:

9/089700
Inventors:

Chenggang Chen - Cleveland OH
Dimitris Elias Katsoulis - Midland MI
Malcolm Edward Kenney - Cleveland Heights OH
Assignee:

Case Western Reserve University - Cleveland OH
Dow Corning Corporation - Midland MI
International Classification:

C08G 7706
US Classification:

528 24
Abstract:

A method for synthesizing an apophyllite-derived 3-cyanopropyldimethylsiloxy-5-hexenyldimethylsiloxy sheet polymer (A-CM. sub. 2 -HEM. sub. 2); an apophyllite-derived 3-cyanopropyldimethylsiloxy-vinyldimethylsiloxy sheet polymer (A-CM. sub. 2 -VM. sub. 2); and an apophyllite-derived 3-cyanopropyldimethylsiloxy-n-decyldimethylsiloxy sheet polymer (A-CM. sub. 2 -DM. sub. 2). These polymers form gels with simple polar solvents such as acetone and therefore can be easily processed. The first two of the polymers, i. e. , A-CM. sub. 2 -HEM. sub. 2 and A-CM. sub. 2 -VM. sub. 2, form gels with polar solvents carrying olefinic linkages, and these gels can be crosslinked into sheet composites having fully exfoliated organosilicon sheets in an organic matrix.

Sheet And Tube Organosilicon Polymers
view source
US Patent:

56272413, May 6, 1997
Filed:

Sep 19, 1996
Appl. No.:

8/710700
Inventors:

Chenggang Chen - Cleveland OH
Dimitris E. Katsoulis - Midland MI
Malcolm E. Kenney - Cleveland Heights OH
Assignee:

Dow Corning Corporation - Midland MI
Case Western University - Cleveland OH
International Classification:

C08G 7700
US Classification:

525474
Abstract:

A method of making an organopolysiloxane sheet or tube polymer involves contacting a sheet or tube silicate with an organo-H-chlorosilane to form an organosiloxane sheet or tube polymer with pendent. tbd. Si--H groups. Subsequently, the organosiloxane sheet or tube polymer with pendent. tbd. Si--H groups is contacted with an alkenyl group containing compound in the presence of a hydrosilation catalyst. The catalyst is used in an amount effective to catalyze a hydrosilation reaction between the alkenyl group on the alkenyl group containing compound and the hydride functionality on the organosiloxane sheet or tube polymer with pendent. tbd. Si--H groups, to form the organopolysiloxane sheet or tube polymer,.

Highly Conductive Strain Resilient Electronics Interconnects And Traces
view source
US Patent:

20220199281, Jun 23, 2022
Filed:

Mar 15, 2022
Appl. No.:

17/695144
Inventors:

- Wright-Patterson AFB OH, US
Ajit K Roy - Beavercreek OH, US
Chenggang Chen - Beavercreek OH, US
International Classification:

H01B 1/04
Abstract:

An electrically conductive, flexible, strain resilient product is produced by mixing metal coated carbon nanotube networks with a liquid polymeric resin to produce a liquid mixture, and the mixture is cured to produce the product. The networks may include welded junctions between nanotubes formed by depositing and melting metal nanoparticles on the nanotubes to form the metal coating. After the mixing step the liquid mixture may be deposited on a flexible substrate in the form of an electrical circuit. The mixing step may further include mixing the composite with a volatile solvent to produce a selected viscosity. Then, a three-dimensional printer may be used to print the product, such as an electrical circuit, on a substrate. The product is cured in an atmosphere that absorbs the solvent. The conductivity of the mixture may be adjusted by adjusting the weight percentage of the metal coated carbon nanotube networks from 50% to 90%, but a preferred range is between 75% and 85%.

Resumes

Senior Scientist

view source

Location:

Dayton, OH

Industry:

Research

Work:

Air Force Research Laboratory
Senior Scientist

Education:

Case Western Reserve University 1993 - 1998
Doctorates, Doctor of Philosophy, Philosophy, Chemistry

Skills:

Molecular Biology
Simulations
Data Analysis
Spectroscopy
Program Management
Biochemistry
Materials
R&D
Materials Science
Characterization
Nanotechnology

Interests:

Science and Technology