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Processable epoxy-telechelic polyalkenamers and polyolefins for photocurable elastomers

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Abstract

A series of epoxy-telechelic polyalkenamers with varying molar masses were synthesized by ring-opening metathesis polymerization of 3-ethylcyclooctene using a diepoxy-functionalized symmetric chain transfer agent with p-benzoquinone as an additive. An epoxy-telechelic polyolefin was also synthesized using 3-ethylcyclooctene and a carboxybenzyl-protected diol chain transfer agent by ring-opening metathesis polymerization followed by post-polymerization modification. The prepolymers were crosslinked with UV light in the presence of photoacid generators, and network formation was monitored by photorheology. The stiffness and ultimate elongation of the resulting elastomers was tuned by varying molar mass and backbone unsaturation of the prepolymer.

Graphical abstract: Processable epoxy-telechelic polyalkenamers and polyolefins for photocurable elastomers

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Publication details

The article was received on 02 Oct 2019, accepted on 19 Nov 2019 and first published on 27 Nov 2019


Article type: Paper
DOI: 10.1039/C9PY01486A
Polym. Chem., 2020, Advance Article

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    Processable epoxy-telechelic polyalkenamers and polyolefins for photocurable elastomers

    L. A. Kassekert, C. E. Dingwell, G. X. De Hoe and M. A. Hillmyer, Polym. Chem., 2020, Advance Article , DOI: 10.1039/C9PY01486A

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