ʻO PBAT he mau plastics biodegradable thermoplastic. He copolymer ia o ka butanediol adipate a me ka butanediol terephthalate. Loaʻa iā ia nā ʻano o PBA a me PBT. ʻAʻole wale ia he ductility maikaʻi a me ka elongation i ka haki ʻana, akā he kūpaʻa wela maikaʻi hoʻi a me nā waiwai hopena; Eia kekahi, loaʻa iā ia ka biodegradability maikaʻi loa. ʻO ia kekahi o nā mea biodegradable ikaika loa i ka noiʻi ʻana i nā plastics biodegradable a ʻo ia kekahi o nā mea degradable maikaʻi loa ma ka mākeke.
He polymer semi crystalline ʻo PBAT. ʻO ka mahana crystallization ma kahi o 110 ℃, ʻo ke kiko heheʻe ma kahi o 130 ℃, a ʻo ka density ma waena o 1.18g/ml a me 1.3g/ml. ʻO ka crystallinity o PBAT ma kahi o 30%, a ʻoi aku ka paʻakikī o ke kahakai ma mua o 85. ʻO PBAT kahi copolymer o nā polyesters aliphatic a me nā ʻala, kahi e hoʻohui ai i nā waiwai degradation maikaʻi loa o nā polyesters aliphatic a me nā waiwai mechanical maikaʻi o nā polyesters ʻala. Ua like loa ka hana hana o PBAT me ko LDPE. Hiki ke hoʻohana ʻia nā lako hana LDPE no ka puhi ʻana i ka kiʻiʻoniʻoni.