[1F08-1F11] Interenational sess. (2)

[1F10] Synthesis of bio-based network polymers by acyclic diene metathesis polymerization

○Lance O'Hari P. Go¹, Kotohiro Nomura¹ (1. Tokyo Metropolitan University)

Keywords:network biobased polyesters, polymerization, olefin metathesis

This work uses a cheap glycerol-based cross linker (CL), which upon undergoing acyclic diene metathesis (ADMET) polymerization of dianhydro-D-glucityl bis(undec-10-enoate) (ME) using Ru catalyst (HG2) afforded high molecular weight polymers with unimodal molecular weight distribution. Both the M_n values and the distributions were affected by the conditions, and whereby M_n values dictate the mechanical properties of the polymer. The results have shown that using 5 mol % of the CL results in formation of an organo-gel while 1-2.5 mol % of the CL produces a soluble network polymer at a particular molecular weight range. This soluble network polymer after hydrogenation showed an increase in ultimate strain and toughness compared to the linear polymers.