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Issue 4, 2014
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Branched polyethylene mimicry by metathesis copolymerization of fatty acid-based α,ω-dienes

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Abstract

Castor oil and vernonia oil platforms were used to synthesize two linear and branched α,ω-diene monomers. ADMET copolymerization conducted in bulk yielded a series of copolyesters with various degrees of branching with respect to the feed ratio between the two α,ω-dienes. After hydrogenation, these copolyesters showed thermo-mechanical properties in accordance with the ones of LLDPE and VLDPE with tunable melting points between 50 °C and 90 °C. As expected, and similarly to the “PE-like” polyesters reported in the literature, the presence of ester functions distributed along the polyethylene backbone slightly lowered the crystalline ability of the so-formed polyesters. Nevertheless, these novel bio-based polyesters constitute a good sustainable alternative to olefin-based elastomers (LLDPE and VLDPE), especially for specific applications which require degradability.

Graphical abstract: Branched polyethylene mimicry by metathesis copolymerization of fatty acid-based α,ω-dienes

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Publication details

The article was received on 05 Nov 2013, accepted on 18 Dec 2013 and first published on 19 Dec 2013


Article type: Communication
DOI: 10.1039/C3GC42280A
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Green Chem., 2014,16, 1755-1758

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    Branched polyethylene mimicry by metathesis copolymerization of fatty acid-based α,ω-dienes

    T. Lebarbé, M. Neqal, E. Grau, C. Alfos and H. Cramail, Green Chem., 2014, 16, 1755
    DOI: 10.1039/C3GC42280A

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