Jump to main content
Jump to site search


Fully bio-derived CO2 polymers for non-isocyanate based polyurethane synthesis

Author affiliations

Abstract

The synthesis of partly carbonated polybutadienes (PC-PBDs) was developed starting from partly epoxidized polybutadienes (PE-PBDs) and CO2 as renewable feedstock. The latter is a versatile polymer precursor for post-functionalization. A screening of metal-free catalysts demonstrated superior performance of bis(triphenylphosphine)iminium chloride (PPN-Cl) relative to tetra-n-butylammonium bromide (TBAB), giving >99% epoxide conversion and >99% chemoselectivity. Initial higher activities were found for PPN-Br. PPN-X (X = Cl, Br, I) catalyst activities increase in the order Br > Cl > I. Investigation of the polymer microstructures under different reaction conditions revealed that 1,2-vinyl and 1,2-cyclic epoxides are the most reactive moieties towards CO2 followed by cis- and trans epoxides, respectively. Subsequently performed non-isocyanate polyurethane (NIPU) cross-linking reactions using (bio-derived) diamines demonstrated the capability of these PC-PBDs as a modular feedstock for the synthesis of tunable hybrid NIPU thermosets.

Graphical abstract: Fully bio-derived CO2 polymers for non-isocyanate based polyurethane synthesis

Back to tab navigation

Supplementary files

Article information


Submitted
08 Oct 2019
Accepted
13 Jan 2020
First published
14 Jan 2020

Green Chem., 2020, Advance Article
Article type
Paper

Fully bio-derived CO2 polymers for non-isocyanate based polyurethane synthesis

S. Dechent, A. W. Kleij and G. A. Luinstra, Green Chem., 2020, Advance Article , DOI: 10.1039/C9GC03488A

Social activity

Search articles by author

Spotlight

Advertisements