|
Oral Presentation 5-06
Isosorbide – A New
Bio-Based Monomer Enhances the Value of Polymers
Dennis Magyar
DuPont
Isosorbide results
from the dehydration reaction of sorbitol, which is directly derived from
Glucose. Glucose is obtained by enzymatic hydrolysis of starch extracted from
corn. Isosorbide is a diol produced from yearly renewable materials.
Isosorbide can act as
a partial substitute for other diols including ethylene glycol, for instance in
the PET manufacturing process. In this case, Isosorbide notably improves the
thermal stability by conferring a higher glass transition temperature to the
polymer.
Production of Polyethylene Isosorbide Terephthalate “PEIT” utilizes current polyester production technology.
This
monomer enhances the material’s performance in a variety of demanding
applications where conventional polyester simply can not do the job. PEIT will
provide value to numerous market segments like PET rigid containers for
hot-fill applications and thermoplastics where higher temperature performance
is required.
|