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ABCD Block Copolymers Using a Multistate Aluminum Complex

29 September 2023, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

A ferrocene aluminum compound (salfan-H2)Al(OiPr) (salfan-H2 = 1,1’-di(2,4-bis-tert-butyl-salicylamino)ferrocene), with adjustable redox and protonation characteristics, has been synthesized and characterized, and serves as a switchable cata-lyst for ring-opening polymerization. Leveraging this versatile, multistate system, we have successfully synthesized a range of innovative copolymers, including AB diblock poly(styrene oxide-lactide) (PSO-PLA), ABC triblock poly(butyl lactone-styrene oxide-lactide) (PBBL-PSO-PLA), and ABCD tetrablock copolymers poly(ethoxy vinyl glycidyl ether-butyl lactone-styrene oxide-lactide) (PEVGE-PBBL-PSO-PLA).

Keywords

Copolymerization
biodegradable copolymers
monomers
redox switch
protonation switch

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Version History

Sep 29, 2023 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2023-fj1m5
D O I: 10.26434/chemrxiv-2023-fj1m5 [opens in a new tab]

Funding

National Science Foundation
CHE-1809116
National Science Foundation
1532232
National Science Foundation
DGE-1735325
National Institutes of Health
S10OD028644

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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