Study of methods for obtaining unsaturated polyester resins based on recycled polyethylene terephthalate
Year: 2022
Type: article
Abstract: In this work, methods for obtaining unsaturated polyester resins based on the products of chemical recycling of post-consumer polyethylene terephthalate with various agents are compared. A process based on simultaneous glycolysis and interchain exchange of polyethylene terephthalate and oligoethylene phthalate with hydroxyl end groups has been proposed. The advantages of this process are shown, including rapid obtaining polyester resins of high molecular weight and the lesser influence of side reactions and degradation reactions. The unsaturated resin with a weight average molecular weight of 3100 g/mol was obtained.
Source: Plasticheskie massy
Authors: K. A. KIRSHANOV, R. V. TOMS, A. YU. GERVALD
Institution: MIREA - Russian Technological University
Language: English
Subfield: Polymers and Plastics
Field: Materials Science
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W4281487481