Conversion of Contaminated Post-Consumer Polyethylene Terephthalate into a Thermoset Alkyd Coating Using Biosourced Monomers

被引：0

作者：

Thomas, Bradley ^{[1
]}

Lopez, Nicole D. A. ^{[1
]}

Railton, James ^{[1
]}

Bousbaa, Jamal ^{[1
]}

Perry, Justin J. B. ^{[1
]}

Unthank, Matthew G. ^{[1
]}

机构：

[1] Northumbria Univ, Dept Appl Sci, Newcastle Upon Tyne NE1 8ST, England

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2024年 / 12卷 / 17期

关键词：

coatings; sustainability; sustainable materials; plastic waste; PET waste; recycling; alkyds; alkyd resin; unsaturated polyester; network polymers; thermoset; polymers; RESINS; WASTE; MODEL; NMR;

D O I：

10.1021/acssuschemeng.3c07560

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synthesis of a high-performance oxidative cross-linked thermoset alkyd coating is described that utilizes a novel recycling strategy from contaminated postconsumer waste polyethylene terephthalate (wPET). A single-stage "depolymerization-repolymerization" process has been developed that allows the exploitation of a waste stream from a commercial PET recycling process with 95% efficiency, which, when copolymerized with glycerol and tall oil fatty acid, delivers a sustainable fatty acid-functional polyester suitable for use in thermoset alkyd coatings. Physical drying challenges have been tackled via the development of a convergent polymer formulation strategy from a single source of wPET and the formulation of the resulting fatty acid-functional polymers with commercial alkyd driers, delivering a thermoset alkyd coating suitable for industrial applications.

引用

页码：6485 / 6493

页数：9

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