Contents

Polymer Science, Series B

Vol. 67, No. 2, 2025

POLYMER GELS

Synthesis and Properties of Covalently Crosslinked Hydrogels Based on Arabinogalactan Polyaldehyde and Tartaric and Glutaric Dihydrazides

R. Kh. Mudarisova, L. A. Badykova, G. R. Mingaleeva, and V. Z. Mingaleev p. 6  abstract

CATALYSIS

Ethylene Polymerization and Copolymerization Reactions with a Catalyst Based on the Ti(IV) Complex with a Diolate Ligand

L. A. Rishina, Y. V. Kissin, S. S. Lalayan, V. G. Krasheninnikov, S. S. Gusarov, A. S. Zabolotnov, A. A. Gulin, V. A. Tuskaev, S. Ch. Gagieva, and B. M. Bulychev p. 7  abstract

MODIFICATION OF POLYMERS

Influence of Silicon Content on the Thermal/Mechanical Performance of Urea–Formaldehyde Fibers

Kai Yang, Jinbiao Ding, Muen Yang, Jiarui Cao, Yang Liu, Pengyu Li, and Mingli Jiao p. 8  abstract

FUNCTIONAL POLYMERS

Synthesis and Investigation of Properties of Polynorbornenes with Bromoanthracene Substituent

M. A. Zotkin, D. A. Alent’ev, N. N. Gavrilova, I. L. Borisov, and M. V. Bermeshev p. 9  abstract

POLYMER MEMBRANES

Novel Sulfonated Poly(arylene ether phosphine oxide)s Containing Bisphenol moieties as Proton Exchange Membrane

Runan Zu, Xiaomin Sun, Liqin Kang, Huiying Liao, and Huiping Liu p. 10  abstract

MODIFICATION OF POLYMERS

Effect of Sulfur and Peroxide Curatives on Epoxidized Natural Rubber Toughened with Ethylene-vinyl-acetate

Bismark Mensah, Mawufemor Zigah, Emmanuel Essien, Richard Domanko, Vitus Apalangya, and Tsatsu Nukunya p. 11  abstract

POLYMERIZATION

Emulsifier-Free Polymerization of Styrene and Methyl methacrylate Using an Amphiphilic Copolymer Based on N,N-Dimethylaminoethyl methacrylate

N. S. Serkhacheva, D. A. Ponomareva, E. V. Silant’eva, N. I. Prokopov, N. A. Lobanova, A. V. Plutalova, E. A. Lysenko, and E. V. Chernikova p. 12  abstract

MODIFICATION OF POLYMERS

Enhancement of Mechanical and Thermal Properties in Boron-Modified Urea-Formaldehyde Fibers

Kai Yang, Keke Ma, Heng Liu, Mingyue Zou, Senhao Wang, Quan Diao, Yang Liu, and Mingli Jiao p. 13  abstract

Flexible-Polyester Cross-linked Epoxy Elastomers Based on Dynamic Ester Bonds: High Toughness and Reprocessability

Caixia Zhao, Tian Fu, Xinyu Wu, Wang Qin, Yaqi Yang, and Xun Wu p. 14  abstract

COMPOSITES

Resveratrol-Functionalized Graphene and Diphenylsilylene Glycol Co-Modification of Epoxy Resin

Zhijun Li, Zhengyong Huang, and Ruiguang Xing p. 15  abstract

DESTRUCTION OF POLYMERS

Investigating the Relationship between Environmental Physical Factors and the Toxicity Index of Waste Components from Solar Panels

I. Vezhenkova, M. Semenova, M. Rocio Rodríguez-Barroso, R. Jiménez Castañeda, N. Davydova, M. Keshtov, and A. Khokhlov p. 16  abstract

FUNCTIONAL POLYMERS

Photo-Responsive Azobenzene-Containing Molecularly Imprinted Copolymers: Synthesis and Properties

Yujuan Wu, Jiajun Zuo, Haoqian Wang, Heyuan Song, Donghong Yu, and Nong Wang p. 17  abstract

Retraction Note

Retraction Note: Synthesis of Dispersed and Stabilized Silver Nanoparticles in Acidic Media

Ayman M. Atta, H. A. Allohedan, A. O. Ezzat, and Z. A. Issa p. 18  abstract