Synonyms: EDGN (polymer);[1,1'-Binaphthalene]-2,2'-diol, polymer with (chloromethyl)oxirane (9CI);[1,1'-Binaphthalene]-2,2'-diol, polymer with 1-chloro-2,3-epoxypropane (8CI);Oxirane, (chloromethyl)-, polymer with [1,1'-binaphthalene]-2,2'-diol (9CI);1,1'-Bi-2-naphthol-epichlorohydrin copolymer;2,2'-Dihydroxy-1,1'-binaphthalene-epichlorohydrin copolymer;EDGN;Epichlorohydrin-2,2'-dihydroxybinaphthyl copolymer;