Eastman Chemical Company

Grupo Petrotemex S.a. De C.v.

Aaron Nathaniel Edens

Donna Rice Quillen

Michael Paul Ekart

David Lange

Daryl Bitting

Xianchun Wu

David Eugene Slivensky

Justin William Murphy

Jaclyn Erin Shuman

Bruce Roger DeBruin

Michael Duane Cliffton

William Lewis Trapp

Barry G Pearcy

Mark Allen Peters

Earl Edmondson Howell, Jr

Bruce Roger Debruin

Travis Wynn Keever

Anne-Martine Sherbeck Jackson

Timothy Glenn Schaefer

Timothy Glenn Shaefer

Erin G Ekart

Earl Edmondson Howell

Barry Glen Pearcy

A process for producing a polyester composition from recycled polyesters comprising: (a) introducing terephthalic acid (TPA); and ethylene glycol (EG); and recycled polyesters (b) passing the paste tank slurry to a first reaction zone; (c) introducing at least one additional glycol; (d) reacting the TPA and EG and the recycled polyesters with the at least one additional glycol in the first reaction zone at a melt temperature of at least 200° C.; (e) passing the first esterification product to a second reaction zone; (f) reacting further the first esterification product; (g) passing the second esterification product to a third reaction zone; (h) polycondensing the second esterification product in the third reaction zone to form a polymerization product.

Catalyst systems for crystallizable reactor grade resins with recycled content

Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation/energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.

Chemical recycling of solvolysis coproduct streams

Chemical recycling of processed mixed plastic waste streams

A stable catalyst solution suitable for catalyzing the polycondensation of reactants to make polyester polymers comprising:

Non-precipitating alkali/alkaline earth metal and aluminum solutions made with polyhydroxyl ether solvents

In a process for producing a polyester containing 1,4-cyclohexanedimethanol (CHDM) as one of its glycol components, an aqueous or a methanolic slurry comprising CHDM and a dicarboxylic acid is prepared. The slurry is maintained at a temperature below the melting point of CHDM. The slurry is then fed into a reactor. The slurry is esterified at sufficient temperatures and pressures, and optionally in the presence of a suitable catalyst, to effect esterification. A prepolymer is formed. The prepolymer is then polycondensed at sufficient temperatures and pressures in the presence of a suitable catalyst to effect polycondensation to form a polyester.

Process for manufacture of polyesters based on 1,4-cyclohexanedimethanol and isophthalic acid

Growing community of inventors

Gate City, VA, United States of America

Aaron Nathaniel Edens