Polyhydroxyalkanoate (PHA), polyester na ciki wanda aka haɗa ta ƙwayoyin ƙwayoyin cuta da yawa, shine polymer biomaterial na halitta.
A cikin ƙwayoyin ƙwayoyin cuta, musamman ƙwayoyin ƙwayoyin cuta, akwai adadi mai yawa na polyesters polymer - Polyhydroxyalkanoates (PHA).Wannan shi ne na halitta polymer biomaterial.Ba ya nufin wani musamman polymer, ammakalma na gaba ɗaya don aji na polymers tare da sifofi iri ɗaya da kaddarorin daban-daban.
PHA ya ɗan ɗanɗanamatakai hudu na ci gaba.
Farkon ƙarni na PHA, polyhydroxybutyrate (PHB), Chemie Linz AG ne ya samar da shi da yawa a cikin Austria a cikin 1980s (fitarwa na shekara-shekara na tan 100).A matsayin farkon abin da aka gano PHA jerin kayan, PHB kuma shine mafi sauƙi kuma mafi yawan tsari a cikin dangin PHA.Yana da babban tsari na yau da kullun, kaddarorin masu ƙarfi da gaggautsa, kuma kayan aikin injinsa da ma'anar narkewa suna kama da polypropylene (PP);amma elongation a karya Low rate, high brittleness.Don haka, yawanci ba za a iya amfani da PHB azaman abu ɗaya ba kuma yana buƙatar gyara don cimma aikin da ya dace.
Ƙarni na biyu na PHA, polyhydroxybutyric acid copolyester (PHBV), ICI ce ta tallata shi a cikin 1980s.PHBV copolymer PHA ne mai nauyin kwayoyin halitta sama da 300,000.PHBV, azaman haɓakawa ga samfurin ƙarni na farko na PHB, ya inganta haɓakar sa sosai bayan ƙara 3-hydroxyvalerate (3HV) monomer.Saboda ana iya bazuwa gaba ɗaya a cikin takin ƙasa, ruwan teku da sauran mahalli, kuma yana da kyakkyawan yanayin rayuwa da babban shinge ga ruwa da iskar gas, yana mai da PHBV ingantaccen kayan aikin injiniya na nama na ɗan adam don yin suturar likita.waya, farcen kashi, da sauransu, kuma ana iya amfani dashi azaman ciyawa na noma,sayayya bags, kayan abinci da kayan abinci.A halin yanzu, an ƙara haɓaka tsarin samar da samfuran PHBV, kuma an yi amfani da su a cikin tiren golf,yarwa tableware, fina-finai, faranti, marufi da sauran filayen.
ƙarni na uku na PHA-poly 3-hydroxybutyrate-3-hydroxyhexanoate (PHBHHx), tun 1998, Jami'ar Tsinghua Microbiology Laboratory da Guangdong Jiangmen Biotechnology Development Center sun samu nasarar haɓaka hydroxybutyric acid a karon farko a duniya Fasahar samar da masana'antu na copolymer PHBHHx tare da hydroxycaproic acid, kuma ya gane babban sikelin samarwa.Idan aka kwatanta da PHBV, PHBHHx yana da ƙananan crystallinity da mafi girma ductility, kuma aikinsa yana kama da na polyethylene (PE) robobi.
PHA na ƙarni na huɗu-copolymer na poly-3-hydroxybutyrate da 4-hydroxybutyrate (P3HB4HB ko P34HB), yana da kyawawan abubuwan ƙirƙirar fim da kaddarorin jiki, amma ƙarancin hydrophilicity.PHA na ƙarni na huɗu ya nuna kyakkyawan buƙatun aikace-aikacen a fagen binciken injiniyan nama, kamar kayan ɓarke a cikin injiniyan nama na kasusuwa don ɗora nauyin ƙwayar ƙashin ɗan adam mesenchymal stem cell, da dai sauransu.
Saboda PHA yana da kyakykyawan daidaituwar halittu, haɓakar halittu da aikin sarrafa zafi na robobi a lokaci guda.Saboda haka, ana iya amfani dashi azaman kayan aikin biomedical dakayan marufi masu lalacewaa lokaci guda, wanda ya zama wurin bincike mafi aiki a fagen nazarin halittu a cikin 'yan shekarun nan.PHA kuma yana da kaddarorin da aka ƙara masu ƙima da yawa kamar na'urorin gani marasa kan layi, piezoelectricity, da kaddarorin shingen gas.
WorldChamp Enterpriseszai kasance a shirye duk lokacin don samar daAbubuwan ECOga abokan ciniki daga ko'ina cikin duniya,safar hannu mai taki, jakunkuna na kayan abinci, jakar kuɗi, jakar shara,kayan yanka, kayan aikin abinci, da dai sauransu.
Kamfanonin WorldChamp shine mafi kyawun abokin tarayya don ciyar da samfuran ECO, madadin samfuran robobi na gargajiya, don hana gurɓataccen fari, sanya tekunmu da ƙasa mai tsabta da tsabta.
Lokacin aikawa: Fabrairu-10-2023