… Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms. …
Explanatory notes
… 39.07 ‑ Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl … aldehyde, normally formaldehyde, and characterised by the presence of acetalfunctions in the polymer chain. They are … (more correctly named poly(dimethylphenylene‑oxide)). These products have a variety of uses, PPO being used, like the …