Hydrogenated copolymers of vinyltoluene and alfa-methylstyrene, and copolymer of p-cresol and divinylbenzene, in the form of a solution in N,N-dimethylacetamide containing by weight 50 % or more of polymer, produced by chemical synthesis, in primary forms
Kopolimer parakreozola z divinilbenzenom, v obliki raztopine v N,N-dimetilacetamidu, ki vsebuje 50 mas.% ali več polimerov, hidrogenirani kopolimeri viniltoluena z ?-metilstirenom