It is a statistical, aromatic–aliphatic copolymer based on the monomers 1.4-butanediol, adipic acid and terephthalic acid. Specifically, PBAT C1200 has a density of 1.26 g/cm3 and molecular weight (MW) = 126,000 g/mol. Treated calcium carbonate (further indicated as CC) (OmyaSmartfill 55...