Abstract
We describe the synthesis, analysis and rheological behavior of differently functionalized poly(1,2-butylene oxide) based supramolecular polymers.
Highlights
Supramolecular chemistry describes the intermolecular interactions of molecules and has been de ned as “chemistry beyond the molecule”.1 Since the 1980s supramolecular interactions have been increasingly utilized in polymer chemistry to create supramolecular polymers[2] consisting of macromolecules that interact through directed non-covalent bonds.[3]
A DAT precursor is commercially available in high purity as 2-chloro-4,6-diamino1,3,5-triazine (DAT-Cl) and can be attached to polymer chains via nucleophilic aromatic substitution by the amine end-groups of the polymer.9b The same scenario holds for thymine-1-acetic acid which in addition can be attached directly to alcohol groups of the polymer
In this work we have shown the synthesis of 1,2-poly(butylene oxide) being functionalized at the chain ends or randomly at the backbone with thymine or DAT groups
Summary
Supramolecular chemistry describes the intermolecular interactions of molecules and has been de ned as “chemistry beyond the molecule”.1 Since the 1980s supramolecular interactions have been increasingly utilized in polymer chemistry to create supramolecular polymers[2] consisting of macromolecules that interact through directed non-covalent bonds.[3]. Supramolecular chemistry describes the intermolecular interactions of molecules and has been de ned as “chemistry beyond the molecule”.1. Since the 1980s supramolecular interactions have been increasingly utilized in polymer chemistry to create supramolecular polymers[2] consisting of macromolecules that interact through directed non-covalent bonds.[3] Due to their reversible bonding and ease of self-organization, supramolecular polymers have been extensively used in the construction of complex polymer architectures[4] and the design of self-healing polymers.[5]. Main-chain supramolecular polymers consist of smaller molecules that assemble into linear chains through nonaJulich Centre for Neutron Science JCNS, Institute for Complex Systems ICS, Forschungszentrum Julich GmbH, 52425 Julich, Germany. E-mail: j.allgaier@ fz-juelich.de bCentral Institute for Engineering, Electronics and Analytics, ZEA-3: Analytics, Forschungszentrum Julich GmbH, 52425 Julich, Germany † Electronic supplementary information (ESI) available: Full 1H-NMR, 1H,1H COSY and 1H,13C HSQC spectra of the products and IR spectra of the azide as well as amine products.
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