Polyhydroxyalkanoate PHA

ʻO ka Polyhydroxyalkanoate i hoʻopōkole ʻia ʻo PHA, he huaʻōlelo maʻamau no kahi papa o nā polyesters kaumaha molekala kiʻekiʻe i hana ʻia e nā microorganism. Hana ʻia ka PHA mai ka kulina, ka ʻuala a me nā biomass starch ʻē aʻe a i ʻole ka cellulose mauʻu ma ke ʻano he mea maka, fermented e hana i ka waikawa lactic, a hoʻomaʻemaʻe hou ʻia a polymerized e hoʻomākaukau i ka PLA maʻemaʻe kiʻekiʻe, he mea aloha i ke kaiapuni, ʻaʻohe mea ʻawahia, antibacterial, flame retardant a maikaʻi ka biocompatibility.

ʻO ka papa hoʻoheheʻe ʻana o PHA, ka papa blister, ka papa kiʻiʻoniʻoni puhi, ka papa huʻa, a me nā mea biodegradable ʻē aʻe ma ka laina holoʻokoʻa. ʻO nā PHA kahi ʻano polyhydroxyalkanoates (PHA) mea, he mea biopolymer i hana pololei ʻia e ka fermentation microbial i loko o nā microorganism. Loaʻa i nā PHA nā waiwai waiwai kiʻekiʻe e like me ka biocompatibility, biodegradability, a me nā waiwai piezoelectric. Loaʻa iā lākou nā waiwai hoʻohana maikaʻi a me ka hana ʻana, a ua like ko lākou mau waiwai kumu me ka polypropylene. Hiki ke hana ʻia a hoʻoheheʻe ʻia me ka hoʻohana ʻana i nā lako hana plastik kuʻuna e like me ka hoʻoheheʻe ʻana i ka injection, extrusion, film blowing, wire drawing, a me ka hoʻoheheʻe ʻana, a hiki ke pani i ka hapa nui o nā plastics petroleum. Hiki ke hoʻomalu ʻia ka helu biodegradation o nā PHA e ka haku mele ʻana o kā lākou copolymers e like me nā pono noi like ʻole.