1. Nkọwa nke usoro ụlọ ọrụ mmepụta ihe:
Aha zuru oke nke polylactic acid bụ polylactic acid ma ọ bụ poly lactic acid. Ọ bụ ihe polyester dị elu nke e nwetara site na polymerization na lactic acid ma ọ bụ lactic acid dimer lactide dị ka monomer. Ọ bụ nke ihe dị elu nke ihe eji emepụta ihe ma nwee njirimara nke ntọala ihe dị ndụ na mmebi. Ugbu a, polylactic acid bụ plastik nwere ike imebi ihe nwere ụlọ ọrụ mmepụta ihe kachasị etozu, mmepụta kachasị ukwuu na nke a na-ejikarị eme ihe n'ụwa. Elu nke ụlọ ọrụ polylactic acid bụ ụdị ihe eji emepụta ihe niile dị mkpa, dị ka ọka, okpete, shuga beet, wdg., ebe etiti bụ nkwadebe nke polylactic acid, ebe ala bụkarị itinye polylactic acid, gụnyere ihe nchekwa gburugburu ebe obibi, nkwakọ ngwaahịa nchekwa gburugburu ebe obibi, wdg.
2. Ụlọ ọrụ dị elu
Ugbu a, ihe e ji emepụta polylactic acid n'ime ụlọ ọrụ mmepụta ihe dị ka lactic acid bụ lactic acid, a na-esikwa n'ọka, okpete, shuga beet na ngwaahịa ọrụ ugbo ndị ọzọ akwadebe lactic acid. Ya mere, ụlọ ọrụ mmepụta ihe ubi nke ọka na-achịkwa bụ ụlọ ọrụ mmepụta ihe dị na polylactic acid. Site n'echiche nke mmepụta na ebe a na-akụ ọka na China, mmepụta ihe ubi ọka China ga-eru tọn nde 272.55 na 2021, yana nnukwu nha, ebe a na-akụ ọka ahụ anọgidewokwa na hekta nde 40-45 ruo ọtụtụ afọ. Site na ọkọnọ ọka ogologo oge na China, a pụrụ ịtụ anya na ọkọnọ ọka ga-anọgide na-adịgide n'ọdịnihu.
Maka ihe ndị ọzọ e ji emepụta lactic acid, dịka shuga na beet shuga, mmepụta China na 2021 bụ tọn nde 15.662, nke dị ala karịa nke afọ ndị gara aga, mana ka dị n'ọkwa nkịtị. Ụlọ ọrụ dị iche iche gburugburu ụwa na-enyochakwa ụzọ ọhụrụ isi kwadebe lactic acid, dịka iji isi iyi shuga dị na eriri osisi dịka ahịhịa na sawdust kwadebe lactic acid ma ọ bụ ịchọpụta ụzọ e si eji methane emepụta lactic acid. N'ozuzu ya, mmepụta nke polylactic acid dị n'elu ga-adịgide n'ọdịnihu.
3. Ụlọ ọrụ etiti
Dịka ihe nwere ike ire ere kpamkpam, polylactic acid nwere ike ime ka ihe ndị e ji emepụta ihe ghara ịdị irè n'ime usoro mmeghari na imegharị ihe onwunwe, nke nwere uru ndị ihe ndị e ji mmanụ ala mee na-enweghị. Ya mere, oriri nke polylactic acid n'ahịa ime obodo na-abawanye. Oriri ime obodo na 2021 bụ tọn 48071.9, mmụba nke 40% kwa afọ.
N'ihi obere ikike mmepụta nke polylactic acid na China, ọnụọgụ polylactic acid na-ebubata na China buru ibu karịa ọnụọgụ mbupụ. N'afọ ndị na-adịbeghị anya, ọnụọgụ polylactic acid na-ebubata amụbaala ngwa ngwa n'ihi ọchịchọ obodo. Na 2021, mbubata polylactic acid ruru tọn 25294.9. Mbupụ polylactic acid nwekwara nnukwu ọganihu na 2021, ruo tọn 6205.5, mmụba kwa afọ nke pasent 117%.
Akụkọ metụtara ya: akụkọ gbasara nyocha usoro mmepe na amụma atụmanya mmepe nke ụlọ ọrụ ngwaahịa polylactic acid nke China site na 2022 ruo 2028 nke Zhiyan consulting bipụtara.
4. Ụlọ ọrụ ndị dị n'okpuru ala
N'ọrụ ndị dị n'okpuru ala, a na-etinye polylactic acid n'ọtụtụ ebe, ya na njirimara pụrụ iche nke biocompatibility na biodegradability. Ugbu a, ejirila ya mee ihe nke ọma na nkwakọ ngwaahịa nri, ihe eji egwuri egwu, nkwakọ ngwaahịa akpa ihe nkiri na ngwaahịa na ubi ndị ọzọ. Dịka ọmụmaatụ, ihe nkiri plastik ugbo nke ejiri polylactic acid mee nwere ike imebi ma pụọ n'anya kpamkpam mgbe owuwe ihe ubi gasịrị, nke agaghị ebelata ọdịnaya mmiri na ọmụmụ ala, kamakwa zere ụgwọ ọrụ na ọrụ ndị ọzọ achọrọ maka mgbake nke ihe nkiri plastik, nke bụ usoro izugbe nke mmepe nke ihe nkiri plastik na China n'ọdịnihu. Mpaghara nke ihe nkiri plastik kpuchiri na China dị ihe dị ka hekta 18000, ojiji nke ihe nkiri plastik na 2020 bụ tọn 1357000. Ozugbo enwere ike ime ka ihe nkiri plastik a na-ere ere gbasaa, ụlọ ọrụ polylactic acid nwere nnukwu ohere maka mmepe n'ọdịnihu.
Oge ozi: Febụwarị-14-2022