Synthesis of bio-based polyurethanes from Kraft lignin and castor oil with simultaneous film formation

A Cassales, LA Ramos, E Frollini - International journal of biological …, 2020 - Elsevier
Kraft lignin (KL) and castor oil (CO) were used as polyols in the synthesis of bio-based
polyurethanes (PUs) in the absence of both solvents and catalysts at room temperature with …

Comparative effects of two different crosslinkers on the properties of vegetable oil‐based polyurethanes

C Meiorin, T Calvo‐Correas… - Journal of Applied …, 2020 - Wiley Online Library
Thermoset polyurethanes (PUs) were prepared from a polyol derived from castor oil, 4, 4′‐
methylene diphenyl diisocyanate (MDI) and different trifunctional low‐molecular‐weight …

Synthesis and characterization of antibacterial self-healable biopolyurethanes with eugenol-based bio-polyol

HG Oh, TU Oh, S Hong, SH Cha - Materials Today Communications, 2023 - Elsevier
In this study, antibacterial self-healable polyurethanes (EBPUs series) were prepared using
eugenol-based bio-polyol (EBP), which was synthesized by thiol–ene reaction between …

Mechanical, Thermal, and Electrical Characterization of Polyethylene Glycol and PDI‐Based Polyurethane Films for Durable Antistatic Applications

A Zia, F Nawaz, A Farooq… - Polymers for Advanced …, 2024 - Wiley Online Library
Polyurethanes (PUs) are emerging materials, but the inferior mechanical strength, low
thermal stability, poor solvent‐resistant ability and non‐conductive nature has limited their …

The inclusion of a salicylate derivative in polyurethane structures and its effect on the properties and the stability of polyurethanes exposed to weathering

S Oprea, VO Potolinca - Soft Materials, 2023 - Taylor & Francis
Polyurethanes are highly sought after polymer materials due to their exceptional properties.
These properties can be expanded by including 2-hydroxyethyl salicylate in its chemical …

The effect of change of ionomer/polyol molar ratio on dispersion stability and crystalline structure of films produced from hydrophilic polyurethanes

SR Senevirathna, S Amarasinghe… - journal of applied …, 2017 - Wiley Online Library
In this study, we report the effect of the DMPA/PTHF molar ratio on dispersion properties of
the MDI‐based hydrophilic polyurethane dispersions. In addition, the effect of the …

Fabrication of plasmon-active polymer-nanoparticle composites for biosensing applications

A Mishra, AR Ferhan, CMB Ho, JH Lee, DH Kim… - International Journal of …, 2021 - Springer
Polymer-nanoparticle composites find relevance in various fields ranging from
optoelectronics to the biomedical sciences. Various efforts have been made to devise …

Effect of microstructural arrangement of MDI‐based polyurethanes on their photoproperties

SR Senevirathna, DAS Amarasinghe… - journal of applied …, 2019 - Wiley Online Library
Among the vast variety of polyurethane applications, several applications use the
fluorescing nature of some of the polyurethanes. Even though 4, 4′‐methylenebis …

Thermal and physico-mechanical characterizations of thromboresistant polyurethane films

AC Wilson, SF Chou, R Lozano, JY Chen… - Bioengineering, 2019 - mdpi.com
Hemocompatibility remains a challenge for injectable and/or implantable medical devices,
and thromboresistant coatings appear to be one of the most attractive methods to down …

Screen for inhibitors of crystal growth to identify desirable carriers for amorphous solid dispersions containing felodipine

J Fu, L Cui, C Yang, H **ong, G Ren, X Ma, Q **g… - AAPS …, 2018 - Springer
The solvent-shift method was used to identify appropriate polymers that inhibit the growth of
felodipine crystals by monitoring particle size in supersaturated drug solutions in the …