Contents

Polymer Science, Series A

Vol. 67, No. 2, 2025

COMPOSITES

Influence of Different Type of Compatibilizers on Structural Features and Physical-Mechanical Properties of Nanocomposites Based on Polypropylene Random Copolymer

Fatima Mustafayeva, Najaf Kakhramanov, Ismayil Ismayilov, and Nazim Sadikhov p. 4  abstract

MEDICAL POLYMERS

Swelling Behavior and Metformin HCl Release from Thermoresponsive Hydrogels of Poly((sulfobetaine methacrylate)-co-N-isopropylacrylamide)

Noverra Mardhatillah Nizardo, Fauziah Damayanti, Kayla Aliya, and Maria Lucia Ardhani Dwi Lestari p. 5  abstract

Synthesis and Characterization of Gelatin-Based Nanoparticles for Potential Drug Delivery in Neurodegenerative Disease Treatment

Oscar Ruiz-Galindo, Ana Castro-Ceseña, Mirian A. González Ayon, Angel Licea-Claverie, Arturo Zizumbo-López, and Sergio A. Aguila p. 6  abstract

Mechanical Properties of Nonequilibrium-Swollen Biopolymer Materials Based on Carboxyalkylated Chitosan Derivatives

E. A. Veretennikova, E. O. Zemlyakova, N. A. Drukarenko, A. V. Pestov, O. V. Koryakova, A. V. Zhilyakov, I. S. Kamantsev, S. A. Chernyadyev, and A. V. Kuznetsov p. 7  abstract

THEORY AND SIMULATION

Conformational Behavior of a Single Polymer Chain with Polar Groups under Stretching in аn Electric Field

T. Yu. Merzliakova, Y. D. Gordievskaya, and E. Yu. Kramarenko p. 8  abstract

NATURAL POLYMERS

An Advanced Water-Retaining and Anti-Erosion Soil Ameliorants Based on Xanthan Gum

I. Panova, K. Titkina, V. Spiridonov, V. Chernov, A. Belov, L. Ilyasov, I. A. Gritskova, and A. Yaroslavov p. 9  abstract

COMPOSITES

Influence of Non-Activated and Activated Biochar on Properties of Flexible Poly(L-lactide)-b-poly(ethylene glycol)-b-poly(L-lactide) Bioplastic

Theeraphol Phromsopha, Prasong Srihanam, and Yodthong Baimark p. 10  abstract

STRUCTURE AND PROPERTIES

Piezoelectric Properties of the PVDF Track Membranes

E. A. Volgina, D. E. Temnov, A. A. Kononov, and A. N. Nechaev p. 11  abstract

Research on Durability of Sealants Used in External Wall Joints of Prefabricated Concrete Buildings

Xiaoliang Zhong, Qingfeng Xu, Dongbo Zhang, Libo Long, Wenli Xia, Yingying Song, and Lanlan Li p. 12  abstract

Erratum

Erratum to: Mechanical Properties of Nonequilibrium-Swollen Biopolymer Materials Based on Carboxyalkylated Chitosan Derivatives

E. A. Veretennikova, E. O. Zemlyakova, N. A. Drukarenko, A. V. Pestov, O. V. Koryakova, A. V. Zhilyakov, I. S. Kamantsev, S. A. Chernyadyev, and A. V. Kuznetsov p. 13  abstract