There is provided a decontaminant product for decontaminating a surface or object that is contaminated, or suspected to be contaminated, with a hazardous chemical agent, wherein the decontaminant product comprises polymeric material comprising a polymer of: (i) itaconic acid, or a derivative thereof such as an itaconic ester or an itaconic acid isomer (ii) an acrylate monomer, such as 2-trifluoromethyl acrylic acid (TFMAA), methacrylic acid (MA), N,N-methylene bisacrylamide (MBA) 2-hydroxyethyl methacrylate, N,N-diethylamino ethyl methacrylate (DEAEM), acrylamido-2-methyl-1-propanesulfonic acid (AMPSA), ethylene glycol dimethacrylate (EGDMA), acrylic acid, acrylamide, acrylonitrile and acrolein, or a derivative thereof (iii) urocanic acid, or a derivative thereof such as an ester thereof such as urocanic acid ethyl ester (iv) a vinyl monomer, such as 1-Vinylimidazole, p-divinylbenzene, m-divinylbenzene, 2-Vinylpyridine and 4-Vinylpyridine or (v) an amine monomer such as allylamine.
