Polyhydroxyalkanoate PHA
Polyhydroxyalkanoate, nke a kpọrọ PHA, bụ okwu izugbe maka otu polyester dị arọ nke nwere ọtụtụ ihe ndị dị ndụ na-emepụta. A na-eji ọka, poteto na biomass ma ọ bụ straw cellulose eme PHA dị ka ihe eji emepụta ihe, a na-agba ya mmiri iji mepụta lactic acid, a na-emekwa ka ọ dị ọcha ma na-eme ka ọ dị ọcha iji kwadebe PLA dị ọcha nke ukwuu, nke na-adịghị egbu egbu, na-egbu nje bacteria, na-egbochi ire ọkụ ma na-ekwekọ na ezigbo biocompatibility.
Ọkwa ịkpụzi ihe n'ime mmiri PHA, ọkwa blister, ọkwa ihe nkiri afụ, ọkwa ụfụfụ, na ihe ndị ọzọ nwere ike imebi emebi kpamkpam n'ahịrị ahụ dum. PHA bụ ụdị ihe polyhydroxyalkanoates (PHA), nke bụ ihe biopolymer nke a na-emepụta ozugbo site na nje bacteria na-agbaze na microorganisms. PHA nwere ihe bara uru dị elu dịka biocompatibility, biodegradability, na piezoelectric properties. Ha nwere ezigbo ojiji na nhazi ihe onwunwe, ihe onwunwe ha bụ isi yiri polypropylene. Enwere ike ịhazi ha ma kpụzie ha site na iji ngwa nhazi plastik ọdịnala dịka ịkpụzi ihe n'ime mmiri, extrusion, ịfụ ihe nkiri, eserese waya, na ịkpụzi ihe, ma nwee ike dochie ọtụtụ plastik dabere na mmanụ ala. Enwere ike ijikwa ọnụego biodegradation nke PHA site na nhazi nke copolymers ha dịka mkpa ngwa dị iche iche si dị.
| ihe | Ngalaba |
| Njupụta | 1.28 g/cm3 |
| MFR 170℃, 2160g | 2.5 g/nkeji iri |
| Oke agbaze | 140–160 ℃ |
| Vicat A/120 | 55℃ |
| Ike ọdụdọ | 35 MPa |
| Mgbatị Mgbasa | 150% |
| Modulu Flexural | 2500 MPa |
| Mmiri Na-amịkọrọ | <0.3% |
Ihe kachasị mkpa nke PHA bụ na nje bacteria nwere ike ire ere ya n'ihe fọrọ nke nta ka ọ bụrụ gburugburu ebe niile, dịka compost, ala, mmiri oké osimiri, na ihe ndị ọzọ. Ngwaahịa ndị a na-enweta mgbe ha gbasasịrị bụ mmiri na carbon, ha agaghịkwa emerụ gburugburu ebe obibi. Nchọpụta a emeela ka olu PHA dị elu n'ihe gbasara ngwaahịa plastik a na-atụfu n'okpuru ndabere nke mmachibido iwu plastik, ma nyekwa echiche mmepe na-adịgide adịgide maka ngwaahịa nnọchi plastik mbụ.
PHA bụ ihe a na-ere ere nke na-eji biomass emeghari emeghari dị ka ihe eji emepụta ihe, ọ bụkwa ihe ndị dị ndụ na-emepụta ya kpamkpam; PHA nwere arụmọrụ dị mma n'ihe gbasara enweghị nsí na ihe ndị dị ndụ, ọ bụkwa plastik a na-anaghị egbu egbu ma ọ bụ ọbụna nke a na-eri eri.
Imegharị ihe na ọgwụgwọ nke PHA nwekwara uru pụrụ iche - a na-atụfukarị plastik ihe mkpofu ọdịnala site na ebe a na-ekpofu ihe ma ọ bụ na-agba ọkụ, nke na-ebute nsogbu mmetọ dịka ala na ikuku. N'aka nke ọzọ, enwere ike ịhazi PHA site na usoro ọgwụgwọ ma jiri ya dị ka nri iji nweta uru akụ na ụba ọzọ, na-enweta usoro abụọ nke ihe onwunwe na akụ na ụba.
25kg/akpa ma ọ bụ dịka mkpa ndị ahịa si dị
Polyhydroxyalkanoate PHA
Polyhydroxyalkanoate PHA
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