Obtaining Oligoether Polyols from Secondary Polyethylene Terephthalate.

Autor: Alikin, M. B., Muravskii, A. A., Panfilov, D. A., Dvorko, I. M., Lavrov, N. A.
Zdroj: Polymer Science -- Series D; Mar2023, Vol. 16 Issue 1, p178-183, 6p
Abstrakt: In this paper, a method for the synthesis of oligoether polyols from secondary polyethylene terephthalate has been presented, and their properties have been studied. Determination of acid and hydroxyl numbers showed that the number-average molecular weight of the synthesized products is 206–409. A procedure for obtaining unsaturated oligoethers by transetherification of oligoether polyols using maleic and phthalic anhydrides has been developed. The fundamental possibility of using secondary polyethylene terephthalate for the synthesis of oligoether polyols and the preparation of unsaturated polyether resins on their basis has been shown. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index