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ROMP of novel hindered phenol-functionalized norbornenes and preliminary evaluation as stabilizing agents†

Article dans une revue avec comité de lecture
Author
NICOLAS, Clémence
203902 Institut des Molécules et Matériaux du Mans [IMMM]
HUANG, Jing
MINNE, Wendy
359039 TELENE SAS
DROZDZAK, Renata
359039 TELENE SAS
RECHER, Gilles
359039 TELENE SAS
FONTAINE, Laurent
203902 Institut des Molécules et Matériaux du Mans [IMMM]
MONTEMBAULT, Véronique
203902 Institut des Molécules et Matériaux du Mans [IMMM]
ccRICHAUD, Emmanuel
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/19946
DOI
10.1016/j.polymdegradstab.2021.109522
Date
2021
Journal
Polymer Degradation and Stability

Abstract

A series of new norbornene monomers containing sterically hindered phenol groups have been synthesized and polymerized via ring-opening metathesis polymerization (ROMP) using the Grubbs 3rd generation catalyst (G3’). ROMPs exhibit first-order kinetics and molar masses increase linearly with monomer conversion and well-controlled phenol hindered-functionalized polynorbornenes were obtained with a monomer to initiator ratio up to 1 000. The first-order rate constants show that the ROMP activity is closely associated with the norbornene monomer steric congestion. The antioxidant behavior of these hindered phenol-containing polynorbornenes with different para-bridged side groups in polypropylene (PP) was estimated by onset oxidation temperature (OOT) measurements. The ability of these hindered phenol-containing norbornenes to copolymerize by ROMP with dicyclopentadiene (DCPD) was used to bound covalently the antioxidant moiety onto a polydicyclopentadiene (PDCPD) resin whose thermal ageing has been investigated.

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