Acide Polylactique ni ibintu bibora kandi ni kimwe mu bikoresho bitanga fibre mu kinyejana cya 21.Acide polylactique (PLA)ntibaho muri kamere kandi bisaba synthesis. Acide yibikoresho bya lactique biva mu bihingwa nk'ingano, beterave isukari, imyumbati, ibigori, n'ifumbire mvaruganda. Fibre acide polylactique, izwi kandi nka fibre y'ibigori, irashobora kuboneka mukuzunguruka.
Iterambere rya fibre acide polylactique
Acide lactique iboneka muri yogurt. Nyuma, abahanga bavumbuye ko aside iterwa no kugenda kwimitsi mu nyamaswa no mu bantu ari aside ya lactique. Ivumburwa rya DuPont Corporation (uwahimbye nylon) niyambere yakoresheje polymers acide lactique mugutegura ibikoresho bya polymer polylactique polymer muri laboratoire.
Ubushakashatsi niterambere rya fibre acide polylactique ifite amateka yikinyejana kirenga. Isosiyete y'Abanyamerika Cyanamid, yateje aside irike ya polylactique mu myaka ya za 1960. Mu 1989, Ikigo cy’Ubuyapani cya Zhong Fang na Shimadzu cyakoranye mu guteza imbere fibre acide polylactique fibre (LactonTM) hamwe n’uruvange rwa fibre naturel (Corn FiberTM), rwerekanwe mu mikino y’imvura ya Nagano yo mu 1998; Isosiyete ya Unijica yo mu Buyapani yateje imbere filime ya acide polylactique hamwe na spunbond idoda idoda (TerramacTM) mu 2000. Cargill Dow Polymers (CDP) muri Amerika (ubu ni NatureWorks) yasohoye ibicuruzwa (IngeoTM) bikubiyemo ibisigazwa bya acide polylactique, fibre, na firime mu 2003, kandi byemerera Trevira mu Budage gukora ibihingwa bya Inge. imodoka, imyenda yo murugo, nisuku.
Inzira nogukoresha fibre acide polylactique
Kugeza ubu, imyenda rusange ya PLA idoda idoze ikozwe muri optique nziza ya L-polylactique aside (PLLA) nkibikoresho fatizo, ikoresha uburyo bwayo bwo hejuru bwa kirisitari hamwe nicyerekezo cyayo, kandi igategurwa binyuze muburyo butandukanye bwo kuzunguruka (gushonga kuzunguruka, kuzunguruka kwumye, kuzunguruka byumye, kuzunguruka byumye, n'ibindi). Muri byo, gushonga fibre acide polylactique fibre (fibre ndende, fibre ngufi) irashobora gukoreshwa mubijyanye nimyenda, imyenda yo murugo, nibindi. Ibikoresho byo kubyaza umusaruro nibikorwa bisa na polyester, hamwe no kuzunguruka neza no gukora neza. Nyuma yo guhinduka gukwiye, fibre acide polylactique irashobora kugera kumurongo wo hejuru wumuriro (kuzimya) hamwe na antibacterial naturel. Nyamara, gushonga fibre ya PLA iracyafite umwanya wo kunoza imbaraga za mashini, ubushyuhe bwo hejuru buringaniye, kwihangana no kurwanya gusaza.
Kuzunguruka neza, kuzunguruka byumye, kuzunguruka kwumye, hamwe na electrospinning ya fibre acide polylactique (membrane) ikoreshwa cyane cyane mubinyabuzima. Ibicuruzwa bihagarariwe birimo suture-imbaraga nyinshi zishobora gukururwa, abatwara ibiyobyabwenge, anti-adhesion membrane, uruhu rwubukorikori, tissue engineering scafolds, nibindi.
Hamwe no gukenera gukenera imyenda idakoreshwa mu buvuzi, isuku, kuyungurura, gushushanya no mu zindi nzego, aside polylactique idoda idoda nayo yabaye imwe mu bushakashatsi n’iterambere.
Mu myaka ya za 90, kaminuza ya Tennessee muri Amerika yize bwa mbere yiga aside polylactique spunbond hanyuma ishonga imyenda idoda. Nyuma y’Ubuyapani Zhongfang yateje imbere polylactique acide spunbond idoda idoda kugirango ikoreshwe mu buhinzi, mu gihe uruganda rwa Fibreweb rw’Ubufaransa rwateje aside polylactique spunbond, gushonga imyenda idoda, hamwe n’ibice byinshi (DepositaTM). Muri byo, imyenda ya spunbond idafite imyenda ahanini itanga ubufasha bwubukanishi, mugihe gushonga byavanze imyenda idahwitse hamwe nigitambara cya spunbond kidahuzagurika hamwe gitanga inzitizi, adsorption, kuyungurura, ningaruka zo gukumira.
Kaminuza yo mu gihugu cya Tongji, Shanghai Tongjieliang Biomaterials Co., Ltd., Hengtian Changjiang Biomaterials Co., Ltd hamwe n’ibindi bice byateje imbere imyenda idoda nka viscose, izunguruka, izunguruka, umwuka ushyushye, n’ibindi mu rwego rwo guteza imbere fibre ikomatanyirijwe hamwe n’ibicuruzwa bitagira isuku, bipfunyika neza, bikoreshwa mu bikoresho by’isuku, ibikoresho by’isuku bikoreshwa mu bikoresho by’isuku, bikoreshwa mu isuku hamwe n’ibicuruzwa bitagira isuku, ibikoresho by’isuku bikoreshwa mu isuku, imyenda y’isuku, ibikoresho by’isuku bikoreshwa mu isuku, ibikoresho by’isuku bikoreshwa mu isuku, ibikoresho by’isuku bikoreshwa mu isuku, imyenda y’isuku, ibikoresho by’isuku bikoreshwa mu isuku, ibikoresho by’isuku, ibikoresho by’isuku bikoreshwa mu isuku, ibikoresho by’isuku bikoreshwa neza. imifuka, ibikoresho byo kuyungurura umwuka namazi nibindi bicuruzwa.
Fibre acide polylactique yatejwe imbere cyane kandi ikoreshwa mubikorwa by'imodoka, imigozi y'itabi, n'utundi turere bitewe n'inkomoko yabyo, ibinyabuzima, ndetse no kubungabunga ibidukikije.
Ibiranga fibre acide polylactique
Kimwe mu byiza bizwi cyane bya fibre acide polylactique nubushobozi bwabo bwo kubora biodegrade cyangwa kwinjiza mumubiri. Mugihe cyifumbire mvaruganda isanzwe, hagomba gupimwa ibinyabuzima, kandi ibicuruzwa byangirika ni amazi na dioxyde de carbone. Fibre isanzwe ya polylactique fibre hydrolyze gahoro gahoro cyangwa biragoye kuyimenya mugukoresha bisanzwe cyangwa ibidukikije bisanzwe. Kurugero, iyo ishyinguwe mubutaka karemano kumwaka, ntabwo ahanini byangirika, ariko mubihe bisanzwe byifumbire mvaruganda, byangirika mugihe cyicyumweru.
Kwangirika no kwinjiza fibre acide polylactique muri vivo bigira ingaruka cyane kuri kristu yabo. Kwigana mubushakashatsi bwa vitro degradation bwerekanye ko fibre nyinshi ya kristaline polylactique ya fibre iracyakomeza imiterere yayo nimbaraga zigera kuri 80% nyuma yimyaka 5.3, kandi bishobora gufata imyaka 40-50 kugirango yangirike burundu.
Guhanga udushya no kwagura fibre acide polylactique
Nkubwoko bwimiti ya fibre yakozwe kandi ikorwa mugihe kirenga igice cyikinyejana, imikoreshereze nyayo ya fibre acide polylactique iracyari munsi yigihumbi cya fibre polyester. Nubwo ibintu byigiciro biza kumwanya wambere, imikorere yabyo ntishobora kwirengagizwa. Guhindura nuburyo bwo guteza imbere fibre acide polylactique.
Ubushinwa n’umusemburo ukomeye n’umukoresha wa fibre chimique, kandi mumyaka yashize, ubushakashatsi bwibanze kuri fibre acide polylactique yahinduwe. Fibre acide polylactique irashobora kuvangwa na gakondo "pamba, imyenda, nubwoya" kugirango ikore imashini iboheye kandi iboheye hamwe nibikorwa byuzuzanya, kimwe nibindi byuma byimiti nka spandex na PTT kugirango bikore imyenda, byerekana ingaruka zuruhu, guhumeka, nubushuhe bwo gukurura uruhu. Bazamuwe mu ntera mu myenda y'imbere.
Dongguan Liansheng Nonwoven Fabric Co., Ltd., uwakoze imyenda idoda hamwe nigitambara kidoda, akwiye kwizerwa!
Igihe cyo kohereza: Jun-11-2024