prov:value
| - derivatives, polyamides, polyesters such as polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, liquid crystal polymers, block copolyesters and block copolyester elastomers, polyolefins such as polyethylene or polypropylene, olefin copolymers comprising ethylene and propylene, random, block and graft copolymers of polyolefins such as anhydride-grafted or imide-modifie
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