Chii chinonzi jira risina kurukwa?
Machira asina kurukwa rudzi rutsva rwezvinhu zvine hushamwari kwezvakatipoteredza. Kusiyana nemachira echinyakare anoda maitiro akaomarara senge kuruka nekuruka, iyo fiber network zvinhu zvinogadzirwa nekusanganisa mafiibhi kana mafirita neglue kana mafiibhi akanyunguduka munzvimbo yakanyungudutswa uchishandisa membrane, mesh, kana nzira dzekunzwa. Machira asina kurukwa ane simba rakawanda, kufema kwakanaka, kuramba kupfeka, kuchinjika kwakanaka, kusapinda kwemvura uye hunyoro-hunyoro zvinhu, uye nekudaro akashandiswa zvakanyanya muhupenyu hwezuva nezuva.
Ndeipi mamiriro ekudzikira kwejira risingarukwa?
Machira asina kurukwa akasiyana nemapurasitiki anogona kuparara nekuti anoumbwa neshinda dzekugadzira, huni pulp fibers, faibha dzakadzokororwa, uye zvimwe zvinhu, uye haagone kuderedzwa kana kuodzwa netupukanana. Kunyange mumamiriro ezvinhu echisikigo, machira asina kurukwa anotora makumi emakore, kunyange mazana emakore, kuora. Kana huwandu hukuru hwemachira asina kuruka hwakaraswa mumhepo kwenguva yakareba, zvinokonzeresa kukuvadza kukuru kune zvakasikwa.
Zvakadaro, kune zvakare mamwe machira emucheka asingarukwe anogona kucheneswa aripo iye zvino, uye kuti jira risiri rakarukwa risingaparadzike zvinoenderana nekuumbwa kwaro. Machira asina kurukwa akagadzirwa nepolylactic acid (PLA) uye zvimwe zvinhu zvinoora zvinogona kuvandudzwa, nepo machira asiri akarukwa akagadzirwa kubva mumidziyo yepurasitiki yechinyakare senge polypropylene (PP) uye polyethylene (PE) haigone kusvibiswa.
Tsanangudzo uye zvakanakira zve biodegradable asiri akarukwa machira
Biodegradable non-woven fabric inoreva jira risiri rakarukwa rinogona kuoreswa netupukanana, mhuka nezvirimwa, hydrolysis kana photolysis mune mamwe mamiriro. Kana ichienzaniswa neyechinyakare epurasitiki isiri-yakarukwa jira, inogona zvinobudirira kuderedza kusvibiswa kwezvakatipoteredza.
Munzanga yemazuva ano, kuchengetedza kwezvakatipoteredza kwave kunetsa pasi rose, uye machira asina kurukwa asingaoreki anofarirwa zvakanyanya nekuda kwehunhu hwawo hwezvakatipoteredza.
Mhando uye hunhu hwe biodegradable nonwoven machira
Iwo anowanzo shandiswa biodegradable asiri akarukwa machira parizvino anosanganisira anotevera marudzi matatu:
Starch yakavakirwa biodegradable isiri-yakarukwa jira
Starch based biodegradable non-woven fabric is an environment friendly non-kurukwa jira rinonyanya kuumbwa starch uye rakagadzirwa nekuwedzera plasticizers, reinforcing agents, reinforcing materials, etc. Zvichienzaniswa nemachira epurasitiki asiri echinyakare, starch based biodegradable non-loven fabrics ane yakanakisa antioxidant zvinhu uye biodegradability yakanaka. Pamusoro pezvo, starch yakavakirwa biodegradable isiri-yakarukwa jira rine mutengo wakaderera uye iine hushamwari kwezvakatipoteredza jira risiri rakarukwa rine mutengo wakakura.
Polylactic acid yakavakirwa biodegradable isiri-yakarukwa jira
Polylactic acid yakavakirwa biodegradable isiri-yakarukwa jira rine hushamwari nharaunda risiri rakarukwa jira rinogadzirwa zvakanyanya nepolylactic acid kuburikidza nepolymer makemikari nzira. Kuenzaniswa nemachira epurasitiki asiri akarukwa echinyakare, polylactic acid yakavakirwa biodegradable isiri-yakarukwa machira ane yakanaka biodegradability uye kugadzikana kwemakemikari. Pamusoro pezvo, polylactic acid yakavakirwa biodegradable isiri-yakarukwa jira inogona zvinobudirira kushatisa CO2 nemvura, ichiburitsa huwandu hukuru hwekupisa simba, zvichiita kuti ive yakanaka yezvakatipoteredza isina-yakarukwa jira.
Cellulose yakavakirwa biodegradable isiri-yakarukwa jira
Cellulose yakavakirwa biodegradable isiri-yakarukwa jira rine hushamwari nharaunda risiri rakarukwa jira rinonyanya kuumbwa ne cellulose uye rinogadzirwa nekuwedzera ekusimbisa maajenti uye zvinhu. Kuenzaniswa nemachira epurasitiki asiri akarukwa echinyakare, selulosi akavakirwa biodegradable asiri akarukwa machira ane yakanaka biodegradability uye yemuviri zvimiro. Uye zvakare, cellulose yakavakirwa biodegradable isiri-yakarukwa jira zvakare ine yakanaka kufema uye kunyudza hunyoro, zvichiita kuti ive yakanaka yakanakira nharaunda isina-yakarukwa jira.
Mhedziso
Machira asina kurukwa pachawo anodzikisira zvishoma nezvishoma, asi kune zvakare biodegradable isiri-yakarukwa machira emidziyo iripo ikozvino. Kune zvisiri-zvakarukwa zvemachira izvo zvisingakwanisi kukurumidza kuderedzwa, nzira dzakachengeteka uye dzakatipoteredza dzinofanira kutorwa kuti dzideredze kukanganisa kwavo kune zvakatipoteredza. Kune biodegradable isiri-yakarukwa machira emidziyo, panofanirwa kuwedzera kukwidziridzwa uye kusunda. Ita kuti vanhu vakawanda vazive kukanganisa kwemachira asina kuruka, pamwe chete kudzivirira nharaunda yedu, uye kuwana budiriro inoenderera.
Nguva yekutumira: Sep-03-2024