prov:value
| - Specific examples of such a hard polymer include vinyl polymers such as polymethyl methacrylate, poly-t-butyl methacrylate, polystyrene, poly-??-methylstyrene, poly-t-butylstyrene, polyvinyl chloride, poly-4-methylpentene-1, polymethacrylic acid and its salt, poly-N,N-dimethylacrylamide, poly(meth)acrylonitrile, poly-2-chlorostyrene and 3-chlorostyrene; and condensation polymers such as polyester,
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