Contents

Polymer Science, Series A

Vol. 68, No. 2, 2026

POLYMER MEMBRANES

Effect of Hydroxyl-Containing Fragments on the Structure and Properties of Copoly(amide-imides) for Membrane Technologies

G. N. Gubanova, G. K. Lebedeva, N. V. Zakharova, M. E. Vylegzhanina, E. V. Kruchinina, E. N. Vlasova, E. N. Popova, V. K. Lavrentiev, K. V. Danilova, and S. V. Kononova p. 6  abstract

FUNCTIONAL POLYMERS

Novel Poly(4-vinylpyridine)-Based Amphiphilic Copolymers for Reinforcement of Sandy Soils

A. V. Plutalova, I. O. Solomin, N. S. Serkhacheva, R. V. Toms, N. I. Prokopov, E. A. Lysenko, and E. V. Chernikova p. 7  abstract

RHEOLOGY

Rheological Properties of Poly(N-vinylpyrrolidone) Solutions in a Magnetic Field and in Its Absence

E. V. Rusinova, S. A. Vshivkov, and Zh. I. Suldina p. 8  abstract

POLYMER BLENDS

Structural, Linear, Nonlinear, and Optoelectrical Properties of PVA-PVP:Er Blend Films for Optical Device Applications

Ramya Mandala and Borra Rajesh Kumar p. 9  abstract

COMPOSITES

Influence of Expanded Perlite Surface Treatment on the Thermal and Mechanical Properties of Rigid PVC Composites

Linda Gouissem p. 10  abstract

FUNCTIONAL POLYMERS

Preparation of Multifunctional Polyacrylate-Based Hollow Microspheres and Its Applications in Radiative Cooling

Dingyuan Xue, Meiping Liao, Long Chen, Xufeng Yu, and Guoqing Zhang p. 11  abstract

COMPOSITES

Tunable Wettability and Performance of Coatings Based on Multidimensional SiO2/Silicone Rubber Composite Microspheres

Xinmei Yan, Zichen Chang, Haipeng Zou, Guanghao Chen, Yan Jiang, and Hongwen Zhang p. 12  abstract