Kedu ihe kpatara PLA, PBAT na ndị ọzọ ji bụrụ isi? Mara ihe ndị a na-ahụkarị na plastik na-emebi emebi na ndụ: PLA.

Kemgbe mmalite ya, a na-eji plastik mee ihe n'ọtụtụ ebe dị iche iche nke akụ na ụba mba, dị ka ụlọ ọrụ nkwakọ ngwaahịa na ụlọ ọrụ mmepụta ihe, nke mere ka ọ dị mma maka mmepụta na ndụ mmadụ. Otú ọ dị, nnukwu ojiji ya na ego efu emeela ka ọ dị mma. mmetọ gburugburu ebe obibi na-abawanye ụba, gụnyere mmetọ mmiri, mmetọ mulch nke ala ubi, na mmetọ mmiri rọba.

Plastics biodegradable na-ezo aka n'ụdị plastik nke arụmọrụ ya na-emezu ihe a chọrọ n'oge oge nchekwa ma nwee ike igbari n'ime ihe ndị na-adịghị emerụ gburugburu ebe obibi n'okpuru ọnọdụ gburugburu ebe obibi, nke a na-ewere dị ka otu n'ime ụzọ dị irè isi dozie nsogbu nke mmetọ plastik.

N'ime ha, PLA, PBS na PBAT bụ nnukwu ụlọ ọrụ mmepụta ihe. Plastics biodegradable dị iche iche nwere àgwà dị iche iche, nke ọ bụla nwere uru na ọghọm nke ya. Iji kwalite nghọta na nghọta nke ihe ndị na-emepụta ihe na-emepụta ihe, akwụkwọ a na-atụle n'ụzọ zuru ezu ihe ndị dị n'elu na-emepụta ihe na-emepụta ihe. , arụmọrụ zuru oke na mpaghara ngwa.

mmepụta ikike ọnọdụ

N'okpuru nkwalite nke mmachi plastik, ụlọ ọrụ plastik na-emebi emebi na-ekpo ọkụ nke ukwuu, ụlọ ọrụ plastik ụlọ na-agbasawanye mmepụta. O doro anya na ikike PLA na PBS / PBAT nọ n'elu ahịa ahụ. Ugbu a, ikike PLA zuru ụwa ọnụ bụ 420,000. tọn / afọ, na ikike na-ewu na tụrụ aro bụ n'elu 3 nde tọn

Nnukwu mmepụta na atụmatụ atụmatụ akụkụ na-egosi na ihe PLA na PBS / PBAT bụ plastik ndị a na-ahụkarị na ahịa ugbu a. Tụkwasị na nke ahụ, teknụzụ mmepụta ụlọ nke PLA dị n'azụ, karịsịa propylene ester akụrụngwa na-achịkwa ndị mmadụ. na-eduga na ikike PLA ụlọ China dị ala nke ukwuu karịa ikike PLA nke ụfọdụ mba ọzọ.

PHA, PPC, PGA, PCL plastic na-emebi emebi dị ka ikike dị ugbu a na ọdịnihu ga-abawanye ikike, isi ihe kpatara ya bụ na plastic biodegradable dị otú ahụ ka nọ na ọkwa mbụ nke mmepụta ihe, teknụzụ mmepụta etolitebeghị, ọnụ ahịa mmepụta, na-eduga na njirimara ahịa adịghị elu, ọkwa a na PLA na PBS/PBAT na-anọchi anya asọmpi plastik n'ozuzu, ma a na-eji ya eme ihe n'ọhịa nke ihe ndị dị elu nke biomedical.

ntụnyere arụmọrụ zuru oke

Polyethylene (PE) bụ a ọtụtụ-eji omenala plastic na a isi uzo ozo ka biodegradable plastics.PE nwere magburu onwe crystallisity, mmiri vapor mgbochi, na ihu igwe na-eguzogide, na ndị a Njirimara nwere ike ikpokọta mara dị ka "PE àgwà" .N'ezie, ugbu a nkịtị nkịtị. Plastics biodegradable bụ isi polyester aliphatic, dị ka PLA na PBS, enwere ike were ya dị ka njikọ ester nke ester bond nyere na yinye molekụla ya nwere njikọ ester, na abụba na-enye ya “njirimara PE”.

The agbaze ebe na n'ibu Njirimara nke PBAT na PBS bụ tụnyere PE, na-egosi ngwa nke PE na disposable ngwaahịa ụlọ ọrụ.The fọdụrụ nke dị iche iche nwere mwepu nke ogbenye n'ibu arụmọrụ, ogbenye thermal iguzogide, oke ngwa nbibi ọsọ na elu na-eri. , nke a ga-emewanyewanye site na ngwa ngwa buru ibu.

Ngwa nke ihe ndị a na-emebi emebi, were PLA dịka ọmụmaatụ.

(1) Biomedical Field: N'ọhịa nke biomedicine, a pụrụ iji ihe polylactic acid mee ihe dị ka ihe ndị na-ebuga ọgwụ, ihe stent engineering anụ ahụ, ihe ndozi ọkpụkpụ, wdg.

Ngalaba ahụike bụ ebe a na-etinye pla na ogige ya na mbụ. Ka ọ dị ugbu a, ọ na-eme nchọpụta dị ukwuu na ngwa ahụike na ịwa ahụ ọkpụkpụ, ịwa ahụ thoracic, ịwa ahụ maxillofacial, na ọgwụgwọ ezubere iche nke etuto ahụ.

(2) Mpaghara ụlọ ọrụ na ọrụ ugbo: Polylactic acid nwere ezigbo plastik, nguzogide okpomọkụ na ihe nhazi anụ ahụ, nke enwere ike ịhazi ya na ihe nkiri ala ugbo iji mejupụta ntụpọ na-adịghị ike na nke na-adịghị emebi emebi nke ihe nkiri plastik omenala. Ọ nwekwara ike-esichara n'ime ngwa engineering ihe, ụlọ eriri, pesticide na chemical fatịlaịza ngwa ngwa ntọhapụ ihe na ụgbọala ụlọ ọrụ.By atụnyere degenradability nke nkịtị polyethylene (pe) mulch na polylactate mulch, nakwa dị ka uto nke owu n'okpuru dị iche iche mulch. na-ekpuchi, a chọpụtara na polylactate mulch malitere ịda mbà na ihe dịka 20 d, ebe mmebi ahụ nwere ike iru 80% na oge owuwe ihe ubi owu, na mulch na-emebi emebi gosipụtara arụmọrụ mkpuchi dị mma. Site n'iji tụnyere mmetụta nke mulch nkịtị na polylactic acid. (Pla) mulch na watermelon pla nting, ule gosiri na plasta film bụ biodegradable na ọ dịghị akpata mmetọ gburugburu ebe obibi. Ikpuchi pla mulch nwere ike ịkwalite uto na mmepe nke anyụ.

(3) Ihe nkwakọ ngwaahịa nri: Polylactic acid nwere ezigbo biodegradable, ezigbo antibacterial na antimildew Njirimara tụnyere ihe ndị dị ka polyethylene (Polyethylene, PE), PVC (Polyvinyl chloride, PVC), polypropylene (Polypropylene, PP) .Anụ oyi ọhụrụ bụ. vacuum juru na ihe nkiri PLLA-PVA-PCL mejupụtara na ihe nkwakọ ngwaahịa streptococcus lactate gbakwunyere. Oge shelf nke anụ a na-achịkọta dị ogologo ogologo karịa anụ ọhụrụ oyi a na-etinye na mkpuchi plastik PE, anụ ahụ na-ejikwa agba na ịdị mma dị mma.

N'okpuru ọnọdụ gas dị iche iche, nsonaazụ nnwale nke nkwakọ ngwaahịa, nkwakọ ngwaahịa ntụ oyi PLA, nkwakọ ngwaahịa ikuku PE, nkwakọ ngwaahịa PE na mmetụta nchekwa carambola na-egosi na akpa ihe nkiri PLA nwere ike chekwaa ọdịdị ọdịdị na ihe oriri na-edozi ahụ nke carambola, ma gbatịa shelf. oge nke carambola.

Ka ịmatakwu, biko soro anyị, anyị ga-ekekọrịta gị ihe ndị ọzọ banyere nonwoven ákwà.