Tii akpa akpa etolitela ngwa ngwa n'ihi uru ya nke "ọnụọgụ, ịdị ọcha, ịdị mma na ọsọ", na ahịa tii akpa juru n'ụwa na-egosi ọganihu ngwa ngwa.
Dị ka ihe nkwakọba ihe maka akpa tii.akwụkwọ nzacha tiiekwesịghị ijide n'aka na ihe ndị dị irè nke tii nwere ike ịgbasa ngwa ngwa n'ime ofe tii n'oge usoro nhazi, kamakwa igbochi tii ntụ ntụ n'ime akpa ịbanye n'ime ofe tii. Mgbe ọtụtụ afọ nke mmepe gasịrị, ihe nke tii nzacha akwụkwọ ejirila nwayọọ nwayọọ gbanwee site na gauze, akwụkwọ nzacha, naịlọn, PET, PVC, PP na ihe ndị ọzọ na eriri ọka.
Fibre ọka, nke a makwaara dị ka eriri polylactic acid (PLA), na-enweta site na ihe ọkụkụ a na-emegharị ọhụrụ dịka ọka, poteto, na ahịhịa ahịhịa. Ọ nwere ezigbo biocompatibility na biodegradability, antibacterial Njirimara, na iku ume. Ọ bụghị nanị na a ga-eji ya mee akpa tii na-abụghị nke a kpara akpa, ma tinyekwa ya n'ubi akwụkwọ mmiri na-emepụta akwụkwọ nri dị ka akpa tii, akpa kọfị na kọfị.nzacha akwụkwọ.
Yabụ, na-elekwasị anya na njirimara arụmọrụ nke ihe ahụ n'onwe ya, kedu ihe bụ isi uru nke iji eriri PLA na imepụta akwụkwọ mmiri mmiri?
1. Ihe onwunwe bụ ihe okike ma nwee ike ịbanye na nri
Akụrụngwa nke eriri polylactic acid na-abịa site na akụrụngwa osisi enwere ike imeghari. Dị ka ihe nchekwa nri gbaara agbaziri, enwere ike iji eriri polylactic acid mee ihe n'ụdị nri dị iche iche, ọgwụ na ụfọdụ ngwa akwụkwọ ụlọ dị elu. Iwere ngwa nke akpa tii na akwụkwọ nzacha kọfị dị ka ihe atụ, itinye ha ozugbo na mmiri ọkụ na-enweghị mmiri ozuzo nke plastik ma ọ bụ ihe ndị ọzọ na-emerụ ahụ na-eme ka ahụ mmadụ dịkwuo mma.
2. Biodegradability
N'iji ngwa nke akpa tii dị ka ihe atụ, a na-eri ọnụ ọgụgụ buru ibu nke akpa tii a na-ekpofu n'ụwa nile kwa ụbọchị. Akpa tii mere site na ihe ọdịnala nwere ogologo oge mbibi, nke ga-eweta nrụgide dị ukwuu na gburugburu ebe obibi. Agbanyeghị, akpa tii ma ọ bụ ngwaahịa ndị ọzọ sitere na ihe polylactic acid nwere ezigbo biodegradaability.
Polylactic acid eriri ngwaahịa anaghị kpara akwa nwere ike mebie kpamkpam ka ọ bụrụ carbon dioxide na mmiri site na microorganisms na gburugburu eke nwere ụfọdụ ọnọdụ 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.
3. Enwere ike jikọta ya na pulp osisi ma ọ bụ eriri ndị ọzọ eke maka ojiji
A na-ejikọta eriri polylactic acid n'otu akụkụ na eriri osisi pulp, nanofibers, wdg iji mee pulp na akwụkwọ. Polylactic acid na-arụkarị ọrụ na njikọta na ike siri ike, site na ijikọ eriri ndị ọzọ site na okpomọkụ na okpomọkụ iji nweta ebumnuche nke ịmepụta na ike. Na mgbakwunye, site n'ịgbanwe usoro slurry na usoro nhazi, ọ nwere ike gboo mkpa dị iche iche nke ọnọdụ dị iche iche.
4. Enwere ike nweta njikọ nke thermal Ultrasonic
Site na iji polylactic acid fibers na-eme pulp na akwụkwọ, ultrasonic thermal bonding nwere ike nweta na mmepụta ihe na-esote, nke ọ bụghị nanị na-azọpụta ọrụ ma na-ebelata ụgwọ ọrụ, kamakwa na-eme ka mmepụta ihe dị mma.
5. Nzacha arụmọrụ
Mpempe akwụkwọ nzacha tii nke polylactic acid fiber nwere arụmọrụ nzacha dị mma yana ike mmiri dị elu, nke nwere ike ijigide akwụkwọ tii na ihe ndị ọzọ siri ike, ebe na-ekwe ka uto na isi tii banye n'ụzọ zuru ezu.
Na mgbakwunye na akwụkwọ nzacha tii, a pụkwara iji eriri polylactic acid mee ihe na akwụkwọ nzacha ọgwụ ọdịnala ndị China, akwụkwọ nzacha kọfị na akwụkwọ nkwakọ ngwaahịa ndị ọzọ.
Oge nzipu: Jun-04-2025