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Synthesis and Characterization of UV-Curable Resins from the Glycolysis of PET: Vinyl Ether/Maleate UV-Curing System

✍ Scribed by Rémi Auvergne; Gaël Colomines; Jean-Jacques Robin; Bernard Boutevin

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 307 KB
Volume: 208
Category: Article
ISSN: 1022-1352
DOI: 10.1002/macp.200600594

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✦ Synopsis

Abstract

The synthesis and characterization of photopolymerizable unsaturated α,ω‐bismaleate poly(ethylene terephthalate) oligomer resins based on glycolysis of PET waste using diethylene glycol and the study of their photopolymerization with divinyl ethers have been described in a previous article. The use of PET glycolysis by DEG can be problematic because this oligoester is partially crystalline. The objective of this paper is to develop the UV‐curing technology for a new kind of glycolysate that are completely amorphous. Glycolysates with different molecular weights have been synthesized and functionalized by a methyl hemiester of maleic acid. The photopolymerization of these new functionalized oligoesters with divinyl ether is studied and the materials obtained are characterized. The influence of the glycolysate structures on the properties of the crosslinked materials is highlighted.

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