Real-time characterization of physical changes in polyimide film formation: From casting to imidization

E Unsal, M Cakmak - Macromolecules, 2013 - ACS Publications
Drying and imidization of PMDA–ODA solutions in NMP were investigated by a novel
custom designed measurement system that tracks real time weight, thickness, surface …

Fast-Tracking of the Segmental Orientation in Poly (ethylene oxide)-based Polyurethane Urea by Mechano-optical (Infrared Dichroism and Birefringence) Properties …

II Nugay, C Kosak, E Unsal, E Yilgor, I Yilgor… - …, 2023 - ACS Publications
The orientation behavior of segment-specific chemical groups of NH and CH was
investigated for poly (ethylene oxide)(PEO)-based polyurethane urea (PUU) during uniaxial …

Real-time infrared–mechano-optical behavior and structural evolution of polypropylene and hydroxyl-functionalized polypropylene during uniaxial deformation

I Offenbach, S Gupta, TCM Chung, RA Weiss… - …, 2015 - ACS Publications
This paper focuses on the real-time mechano-optical behavior of hydroxyl-functionalized
polypropylene (PPOH) copolymer containing 0.4 mol% comonomer of 10-hydroxy-1 …

Nonlinear Mechano-Optical Behavior and Strain-Induced Structural Changes of l-Valine-Based Poly(ester urea)s

K Chen, NZ Dreger, F Peng, BD Vogt, ML Becker… - …, 2018 - ACS Publications
The uniaxial mechano-optical behavior of a series of amorphous l-valine-based poly (ester
urea)(VAL-PEU) with varying diol lengths was studied to elucidate the molecular mechanism …

Molecular mechanism of temporal physico/chemical changes that take place during imidization of polyamic acid: Coupled real-time rheo-optical and IR dichroism …

E Unsal, M Cakmak - Polymer, 2014 - Elsevier
Multiple overlapping physical and chemical changes often take place during casting/drying
and imidization from PMDA-ODA polyamic acid precursors from cast solutions. To shed light …

The Rheo‐Optical Properties of Polyester Films

B Yalcin, M Cakmak - Polyester Films: Materials, Processes …, 2023 - Wiley Online Library
Real‐time monitoring of rheo‐optical properties such as birefringence and stress/strain
fields provide an invaluable insight into the instant phase changes and molecular ordering …

Polymer Film Substrates for Roll‐to‐Roll Manufacturing: Process–Structure–Property Relationships

B Yalcin, M Cakmak - Roll‐to‐Roll Manufacturing: Process …, 2018 - Wiley Online Library
There are three main classes of flexible substrates in use today, namely, flexible glass, metal
foils, and plastic films. Most polymer substrates that are investigated for flexible electronics …

Mechano Optical Behavior of Novel Polymers for Capacitor Application During Their Processing Cycles

I Offenbach - 2016 - rave.ohiolink.edu
This work is a part of collaborative project between Multidisciplinary University Research
Initiative (MURI) through which an advanced polymeric capacitor films for military …

[图书][B] Integrated real time studies to track all physical and chemical changes in polyimide film processing from casting to imidization

E Unsal - 2013 - search.proquest.com
Physical and chemical changes during the complex multi-step thermal imidization reaction
were investigated including all processing steps (solution casting, drying and imidization) …

[图书][B] Roll-to-Roll Manufacturing and Real-Time Characterization of Bio-Functional Polymers

K Chen - 2019 - search.proquest.com
Polymeric materials have been used in the healthcare and medical industry for decades,
with advantages from design flexibility to cost-effective manufacturing. Despite the wide …