Synthesis of Biobased Long-Chain Polyesters by Acyclic Diene Metathesis Polymerization and Tandem Hydrogenation and Depolymerization with Ethylene | Zendy

Kotohiro Nomura | Zendy; Permpoon Chaijaroen | Zendy; Mohamed Mehawed Abdellatif | Zendy

Open Access

Synthesis of Biobased Long-Chain Polyesters by Acyclic Diene Metathesis Polymerization and Tandem Hydrogenation and Depolymerization with Ethylene

Author(s) -

Kotohiro Nomura,

Permpoon Chaijaroen,

Mohamed Mehawed Abdellatif

Publication year - 2020

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.0c01965

Subject(s) - depolymerization , ethylene , polyester , diene , acyclic diene metathesis , metathesis , polymerization , chemistry , polymer , isosorbide , organic chemistry , polymer chemistry , catalysis , natural rubber

Acyclic diene metathesis (ADMET) polymerization of biobased α,ω-dienes of bis(undec-10-enoate) with diols (1,4-butanediol, isosorbide, isomannide, and 1,4-cyclohexanedimethanol) afforded high-molecular weight unsaturated polyesters, and subsequent tandem hydrogenation (H 2 1.0 MPa, 50 °C, 3 h) gave the saturated polymers upon addition of a small amount of Al 2 O 3 (1.0-1.7 wt %). Subsequent reaction of the unsaturated polymers with ethylene afforded the oligomers (by depolymerization and degradation).

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