Explanatory notes
… where the C―X bond is a carbon-carbon bond are, therefore, excluded ( heading 39.11 ). Polymers of vinyl acetate or of … alcohol) are suitable for making underwear, blankets, clothing, etc. Polyvinyl acetals can be prepared by reacting … carbazole) and poly(vinyl pyrrolidone) . F or the classification of polymers (including copolymers), …