| http://www.w3.org/ns/prov#value | - It is also possible the use crosslinked aromatic vinyl copolymers prepared with additions of other vinyl compounds such as, for example, methyacrylic and acrylic compounds, especially acrylonitrile, ethylene, propylene, isobutylene, vinyl chloride, vinylacetate, vinylidene chloride, vinyl pyridine and substituted vinyl pyridines, and also vinyl quinolines and vinyl pyrrolidone.
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