LEBARBÉ, Thomas; NEQAL, Mehdi; GRAU, Etienne; ALFOS, Carine; CRAMAIL, Henri

doi:10.1039/c3gc42280a

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LEBARBÉ, Thomas
Laboratoire de Chimie des Polymères Organiques [LCPO]

NEQAL, Mehdi
Laboratoire de Chimie des Polymères Organiques [LCPO]

GRAU, Etienne

Laboratoire de Chimie des Polymères Organiques [LCPO]

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Green Chemistry. 2014, vol. 16, n° 4, p. 1755-1758

Royal Society of Chemistry

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Castor oil and vernonia oil platforms were used to synthesize two linear and branched alpha,omega-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 alpha,omega-dienes. After hydrogenation, these copolyesters showed thermo-mechanical properties in accordance with the ones of LLDPE and VLDPE with tunable melting points between 50 degrees C and 90 degrees 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.< Leer menos

Palabras clave en inglés

ETHYLENE COPOLYMERS

POLYMERS

CRYSTALLIZATION

ELASTOMERS

OILS

MONOMERS

ANGLE

MOLECULAR-WEIGHT

STRUCTURAL-PROPERTIES

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Branched polyethylene mimicry by metathesis copolymerization of fatty acid-based alpha,omega-dienes

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