Nā ʻano a me nā hoʻohana ʻana o PHA

ʻO Polyhydroxyalkanoate (PHA), kahi polyester intracellular i hoʻohui ʻia e nā microorganisms he nui, he biomaterial polymer maoli.

Cnā mea hana a PHA

Biodegradability: ʻO ka PHA hiki ke biodegradable, me ka ʻole o ka compost, hiki ke hoʻoheheʻe ʻia i ka lepo a me ka wai, ma lalo o nā kūlana aerobic a me anaerobic, a hiki ke mālama ʻia ka manawa hoʻohaʻahaʻa, ma muli o ke ʻano a me ka nui o ka huahana PHA a me nā kūlana ʻē aʻe.Ma muli o ke kaiapuni, ʻo 2 a 5 mau manawa ʻoi aku ka wikiwiki o ka hoʻohaʻahaʻa ʻana o ka PHA ma mua o ka polycaprolactone (PCL) a i ʻole nā ​​​​polyesters aliphatic synthetic i hoʻoheheʻe ʻia;ʻOiai ʻo ka PHA kokoke loa he polylactic acid (PLA) ʻAʻole hiki ke maʻalahi ka biodegradation ma lalo o 60 degere Celsius.

Biocompatibility maikaʻi: Hiki ke hoʻohaʻahaʻa ʻia ka PHA i loko o nā oligomers molecular liʻiliʻi a i ʻole nā ​​​​mea monomer i loko o ke kino, ʻaʻohe mea ʻawaʻawa a maikaʻi ʻole i nā meaola, a ʻaʻole ia e hōʻole.No laila, hiki ke hoʻohana ʻia i nā iwi artificial, nā lāʻau lapaʻau hoʻokuʻu ʻia a me nā mea like.I ka makahiki 2007, ua ʻae ʻia e ka US FDA ka absorbable suture (TephaFLEX®) i hana ʻia me P4HB a ua lilo ʻo ia i huahana lapaʻau PHA kūʻai mua ma ka honua.I kēia manawa, ke aʻo ikaika nei ka honua i ka hoʻohana ʻana i ka PHA ma nā ʻano he nui e like me ka ʻenekinia kiko, nā mea implant, a me nā mea lawe hoʻokuʻu lāʻau.

ʻO ka waiwai hoʻohui maikaʻi: hiki ke hoʻohana ʻia i ka hui pū me nā mea ʻē aʻe.Eia kekahi laʻana, hiki ke hoʻohuiʻia ka PHA me ka pepa e hana i ka pepa pahu me nā mea kūikawā;a i hui pū ʻia me ka hao, aluminika, tin a me nā mea metala ʻē aʻe, a hiki ke hui pū ʻia me ka lehu lele e hoʻomaikaʻi i ka hana wela a me ka paʻakikī o PHA;Eia kekahi, hoʻohana ʻia ka PHA a me ka calcium silicate Compounding e hoʻonui i ka helu degradation o PHA a hoʻonā i ka pilikia o ka waiwai pH haʻahaʻa ma hope o ka hoʻohaʻahaʻa ʻana o PHA;hiki ke hoʻohui pū ʻia me kekahi mau mea hoʻolaʻa inorganic e hana i nā mea uhi me ka hana wai.

Nā waiwai pale kinoea: Loaʻa i ka PHA nā waiwai pale kinoea maikaʻi a hiki ke hoʻohana ʻia i loko o ka waihona mālama hou;hydrolytic stability: hydrophobicity ikaika, i hoʻohana ʻia i ka hana ʻana i ka papa ʻaina;nonlinear optics: PHA has optical activity, and every structural units He hiki ke hoʻohana 'ia ke kalapona chiral no ka hoʻopili chromatographic e hoʻokaʻawale i nā isomers optical;Paʻa UV: Ke hoʻohālikelike ʻia me nā polyolefins a me nā polyaromatic polymers, ʻoi aku ka maikaʻi o ka paʻa UV.

Palapala noiso PHA

1. Mea olaola.Hoʻohana pinepine ʻia ka PHA i ka lāʻau lapaʻau no ka hana ʻana i nā sutures surgical, staples, bone substitutes, blood vessel substitutes, drug sustained-release carriers, medical gloves, dressing materials, tampons, medical films, etc.

2. ʻO nā mea hoʻopihapiha biodegradable a me nā mea kūʻai wai ʻole a paʻa mau e like me nā huahana hoʻomaʻemaʻe, nā diapers, nā mea hoʻonaninani (nā mea exfoliating i nā mea hoʻonaninani, nā ʻōmole wai linings), etc.

3. Mea lako.Lako, lako papa, aniani, hoololi uila, loko kaʻa, etc.

4. Nā huahana mahiʻai.Biodegradable lawe pesticides a me fertilizers, plastic film, etc.

5. Mea hoʻoheheʻe a me nā mea hoʻoheheʻe.ʻO nā mea hoʻomaʻemaʻe, nā mea pena, nā mea hoʻoheheʻe inika, nā mea hoʻopili, nā mea hana optically.

6. Hoʻohana ʻia ma ke ʻano he kumu kumu no nā mea thermosetting (polyurethane a me unsaturated polyester resins).

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No ka mea, he biocompatibility maikaʻi ka PHA, biodegradability a me ka hana ʻana i ka wela o nā plastics i ka manawa like.No laila, hiki ke hoʻohana ʻia e like me nā mea biomedical a me nā mea hoʻopihapiha biodegradable i ka manawa like, ua lilo ia i wahi hotspot noiʻi ikaika loa ma ke kahua o nā biomaterials i nā makahiki i hala.He nui nā waiwai hoʻohui waiwai kiʻekiʻe e PHA e like me nā optics nonlinear, piezoelectricity, a me nā waiwai pale kinoea.

Nā ʻoihana WorldChampe mākaukau i nā manawa a pau e hoʻolako i kaNā mea ECOi nā mea kūʻai mai a puni ka honua,ʻeke kūʻai, ʻeke kūʻai, ʻeke ʻōpala,mea ʻokiʻoki, mea lawelawe meaʻai, etc.

ʻO WorldChamp Enterprises kāu hoa maikaʻi loa e hoʻolilo i nā huahana ECO, nā mea ʻokoʻa o nā huahana plastics kuʻuna, e pale aku i ka haumia keʻokeʻo, e hoʻomaʻemaʻe i ko mākou moana a me ka honua.


Ka manawa hoʻouna: Feb-10-2023