Chemistry 3 (2016 9) 345-352 ~ ~ ~ УДК 542.952+547.314 Synthesis of Copolymers of Furandicarboxylic Acid, Ethylene Glycol, and Poly(Angelica Lactone) Konstantin L. Kaygorodova Mikhail Yu. <...> Chernyaka Andrey A. Morozova , Valery E. Tarabanko*a,b , Alexander A. Kondrasenkoa and Nikolay V. Tarabankoa , , aInstitute of Chemistry and Chemical Technology SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS” 50/24, Akademgorodok, Krasnoyarsk, 660036, Russia b Siberian Federal University 79 Svobodny, Krasnoyarsk, 660041, Russia Received 21.05.2016, received in revised form 17.07.2016, accepted 04.09.2016 This work demonstrates the possibility of creating biodegradable derivatives of poly(ethylene furandicarboxylate) by modifi cation with poly(angelica lactone) chains. <...> Block copolymers with the content of angelica lactone 33-50 mol. % (based on monomeric links) were obtained. <...> Polymer yields were 60-70 %, and weight average molecular weights attained 36-45 kDa. <...> The results of the polymers biodegradation are presented. <...> All rights reserved * Corresponding author E-mail address: veta@icct.ru # 345 # Konstantin L. Kaygorodov, Valery E. Tarabanko… Synthesis of Copolymers of Furandicarboxylic Acid, Ethylene Glycol… Получение сополимеров фурандикарбоновой кислоты, этиленгликоля и полиангеликалактона К. <...> One of the ways to make a polymer biodegradable is to produce its copolymers with monomers or polymer blocks that are biodegradable themselves [1-3]. <...> For example, renewable-feedstockderived α-angelica lactone (2,3-dihydro-5-methylfuran-2-one) and its anionic polymerization product poly(angelica lactone)–itself a biodegradable unsaturated polyester [4]–are capable of co-polymerizing with polyesters, polyolefi ns, and caprolactam [5]. <...> The molecular structure of α-angelica lactone dictates two possible polymerization pathways (Fig. 1): the double bond opening that leads to the polyfuranone (1), and the ring opening that leads to the polyester (2). <...> This produces oligomers with n = 5-8 and melting point 257-259 K. However, α-angelica lactone polymerization via ring opening is of greater interest. <...> This reaction proceeds in the presence of sodium hydroxide, sodium butoxide [4], stannous octanoate [7]. <...> The products of this reaction are capable of biodegradation [5]. # 346 # Сибирский федеральный университет Konstantin L. Kaygorodov, Valery E. Tarabanko <...>