N'ime ụlọ ọrụ nkwakọ ngwaahịa, "carbon dị ala" na "njigide" ejirila nwayọọ nwayọọ bụrụ ihe na-akpata isi. Ndị isi ụdị na-amalite imeziwanye ịdị mma nke gburugburu ebe obibi nke ngwaahịa ikpeazụ ha site n'akụkụ dị iche iche dị ka imewe, mmepụta na nhọrọ nke ihe omume gburugburu ebe obibi.
Ugbu a,polylactic acid (PLA) ihe ndị na-adịghị akwa ákwàna ezi biodegradaability na arụmọrụ bara uru na-aghọ ihe nkwakọ ngwaahịa ọhụrụ ewu ewu. Kpọmkwem, ojiji nke polylactic acid anaghị kpara akwa dị ka ihe nkwakọ ngwaahịa nwere njirimara ndị a:
Enyi na enyi gburugburu ebe obibi
Enwere ike igosipụta ịdị mma nke gburugburu ebe obibi nke eriri polylactic acid na akwa anaghị kpara akpa n'akụkụ atọ: "bio based, biodegradable, and easy recycle".
N'ime ha, polylactic acid fiber ngwaahịa anaghị kpara akwa nwere ike mebie kpamkpam ka ọ bụrụ carbon dioxide na mmiri site na microorganisms na gburugburu eke nwere ụfọdụ okpomọkụ na iru mmiri, dị ka ájá, silt, na mmiri oké osimiri. Enwere ike imebi ngwaahịa polylactic acid kpamkpam n'ime carbon dioxide na mmiri n'okpuru ọnọdụ compoting ụlọ ọrụ (okpomọkụ 58 ℃, iru mmiri 98% na ọnọdụ microbial) maka ọnwa 3-6; Ndochi ala na gburugburu ebe a na-ahụkarị nwekwara ike nweta mmebi n'ime afọ 3-5.
Ekwesiri iburu n'uche na composting ụlọ ọrụ nke polylactic acid chọrọ ọnọdụ ụfọdụ iji nweta. Dị ka ihe nkwakọ ngwaahịa, ngwaahịa polylactic acid na-abụghị nke a kpara akpa nwere usoro ndụ ụfọdụ na arụmọrụ dị mma na gburugburu ebe obibi. Ma n'ebe ụgbọ njem dị iche iche dị ka ala, ụgbọ okporo ígwè, oké osimiri, na ikuku, ha nwere ike inye nchebe kwụsiri ike maka ngwa ahịa ekpokọtara.
Ọmarịcha igwe eji arụ ọrụ
Polylactic acid na-abụghị akwa akwanwere ezigbo ihe eji arụ ọrụ, nke nwere ike ụfọdụ na ezigbo nguzogide akwa akwa, ma nwee ike iguzogide ụfọdụ nrụgide na mmetụta. N'ime ngwa bara uru, ọ nwere ike inye nchebe nchichi maka ngwaahịa ekpokọtara.
Nrọ na ọkọ na-eguzogide
Polylactic acid fibers na ákwà ndị na-abụghị ndị a kpara akpa na-enwekwa mgbanwe dị mma, nke nwere ike inye nchebe dị mma maka ngwaahịa ndị a chịkọtara na ngwa nkwakọ ngwaahịa, na-emebighị elu agba na ọdịdị, na-enweghị emetụta ahịa na ahụmahụ ndị ọrụ na-esote.
Texture na-enweghị ịwụfu ibe
Ngwunye akwa polylactic acid na-abụghị nke a na-eji akwa akwa nwere ọdịdị dị mma, anaghị ewepụ ibe, nwere ike ịnọgide na-enwe mma nke ngwaahịa ahụ, ọ dịghị emetụta ahụmahụ ahịa.
Nchekwa na ujo absorption
Enwere ike iji eriri polylactic acid ọ bụghị naanị maka nkwakọ ngwaahịa, kamakwa mebere ya ka ọ bụrụ flakes PLA, na-enye n'ihu na-enye nchekwa na mgbake ujo maka ngwaahịa ahụ.
Enwere ike iji ihe okike mee ihe maka nkwakọ nri
Akụrụngwa nke eriri polylactic acid na-abịa site na ihe ọkụkụ a na-emegharị ọhụrụ dịka ọka, poteto, na ahịhịa ahịhịa. Ọ nwere ezigbo biocompatibility, biodegradability, antibacterial properties, and breathability. Enwere ike iji ya mee ihe n'ọtụtụ ebe na nkwakọ ngwaahịa nri dị iche iche, ọgwụ na ngwaahịa ọhụrụ, dị ka nchekwa mkpụrụ osisi, akpa tii, akpa kọfị, na imepụta ihe nkwakọ ngwaahịa ndị ọzọ.
Gbanyụọ ozugbo ịhapụ ọkụ ahụ, belata anwụrụ ọkụ ma bụrụ onye na-adịghị egbu egbu
Polylactic acid fiber adịghị mfe ọkụ, na-ekpochapụ ozugbo ọ gbanyere ọkụ, enweghị anwụrụ ọkụ ojii ma ọ bụ ikuku na-egbu egbu, ma nwee ezigbo nchekwa na-eji ya.
Ngwa ngwa ngwa
Fiber PLA na-akwado ịgwakọta ya na eriri cellulose ndị ọzọ (dị ka eriri achara, eriri viscose, wdg), nke nwere ike ọ bụghị naanị belata ọnụ ahịa ka ọ na-edobe mbibi zuru oke nke ngwaahịa nkwakọ ngwaahịa, kamakwa nweta ọrụ bara ụba nke ngwaahịa nkwakọ ngwaahịa ma gboo mkpa nke ọnọdụ ngwa.
Na mgbakwunye, eriri polylactic acid nwere ike ime mgbanwe yana enwere ike ịhazi ya dabere na mkpa onye ọrụ, dabara maka nkwakọ ngwaahịa nke ụdị na nha dị iche iche.
Ụgwọ nke ụlọ ọrụ Dongguan Liansheng Non Woven Technology Co., Ltd.e hiwere na Mee 2020. Ọ bụ nnukwu ụlọ ọrụ mmepụta ihe na-abụghị akwa na-ejikọta nyocha na mmepe, mmepụta na ahịa. Ọ nwere ike ịmepụta agba dị iche iche nke PP spunbond akwa na-abụghị kpara nke nwere obosara nke na-erughị 3.2 mita site na gram 9 ruo 300.
Oge nzipu: Ọkt-02-2024