mbendera4

NKHANI

Pulasitiki Wowonongeka

Mawu Oyamba

nkhani2-3

Pulasitiki yowonongeka imatanthawuza mtundu wa pulasitiki womwe katundu wake akhoza kukwaniritsa zofunikira zogwiritsira ntchito, ntchitoyo imakhalabe yosasinthika panthawi yosungidwa, ndipo ikhoza kusinthidwa kukhala zinthu zowononga chilengedwe pansi pa zochitika zachilengedwe zachilengedwe pambuyo pa ntchito.Choncho, amadziwikanso kuti pulasitiki yowonongeka ndi chilengedwe.

Pali mapulasitiki atsopano osiyanasiyana: mapulasitiki owonongeka, mapulasitiki owonongeka, zithunzi/oxidation/biodegradable plastics, carbon dioxide-based biodegradable plastics, thermoplastic starch resin pulasitiki zowonongeka.

Kuwonongeka kwa polima kumatanthawuza njira yothyola ma macromolecular chain of polymerization chifukwa cha mankhwala ndi zinthu zakuthupi.Njira yowonongeka yomwe ma polima amakumana ndi chilengedwe monga mpweya, madzi, ma radiation, mankhwala, zowononga, mphamvu zamakina, tizilombo ndi nyama zina, ndi tizilombo toyambitsa matenda timatchedwa kuwonongeka kwa chilengedwe.Kuwonongeka kumachepetsa kulemera kwa mamolekyu a polima ndikuchepetsa mawonekedwe a zinthu za polima mpaka zinthu za polima zitasiya kugwiritsidwa ntchito, chodabwitsa chomwe chimatchedwanso kuwonongeka kwa ukalamba wa zinthu za polima.

Kuwonongeka kokalamba kwa ma polima kumagwirizana mwachindunji ndi kukhazikika kwa ma polima.Kuwonongeka kokalamba kwa ma polima kumafupikitsa moyo wautumiki wa mapulasitiki.

Chiyambireni mapulasitiki, asayansi akhala akudzipereka kuti athetse kukalamba kwa zinthu zoterezi, ndiko kuti, kuphunzira kukhazikika, kuti apange zipangizo zolimba za polima, ndipo asayansi m'mayiko osiyanasiyana akugwiritsanso ntchito khalidwe loipa la ukalamba. ma polima kuti apange mapulasitiki owononga chilengedwe.

nkhani2-4

Magawo akuluakulu ogwiritsira ntchito mapulasitiki owonongeka ndi awa: filimu ya mulch yaulimi, mitundu yosiyanasiyana ya matumba oyikapo pulasitiki, matumba a zinyalala, matumba ogula m'malo ogulitsira ndi ziwiya zotayidwa.

Lingaliro la Degradation

Kuwonongeka kwa mapulasitiki owonongeka ndi chilengedwe makamaka kumakhudza kuwonongeka kwa chilengedwe, kuwonongeka kwa zithunzi ndi kuwonongeka kwa mankhwala, ndipo njira zitatu zazikuluzikulu zowonongeka zimakhala ndi zotsatira zogwirizana, zogwirizana komanso zogwirizana.Mwachitsanzo, photodegradation ndi oxide degradation nthawi zambiri zimapitirira nthawi imodzi ndikulimbikitsana;Biodegradation imatha kuchitika pambuyo pa ndondomeko ya photodegradation.

Future Trend

Kufunika kwa pulasitiki wowonongeka kukuyembekezeka kukwera mosalekeza, ndipo pang'onopang'ono m'malo mwazinthu zambiri zopangidwa ndi pulasitiki.

Pali zifukwa ziwiri zazikulu zomwe zachititsa izi, 1) Kudziwitsa anthu zambiri pazachitetezo cha chilengedwe kumalimbikitsa anthu ambiri kuti azolowere zinthu zachilengedwe.2) Kusintha kwaukadaulo kumachepetsa mtengo wopangira zinthu zapulasitiki zomwe zimatha kuwonongeka.Komabe, kukwera mtengo kwa ma resin owonongeka komanso kukhazikika kwa msika wawo ndi mapulasitiki osiyanasiyana omwe alipo kale kumapangitsa kuti zikhale zovuta kuti mapulasitiki osawonongeka alowe pamsika.Chifukwa chake, pulasitiki yowonongeka ndi biodegradable sichingasinthe pulasitiki yachikhalidwe pakanthawi kochepa.

nkhani2-6

Chodzikanira: zidziwitso zonse ndi zidziwitso zopezedwa kudzera ku Ecopro Manufacturing Co., Ltd kuphatikiza koma osalekeza kukwanira kwa zinthu, katundu wakuthupi, machitidwe, mawonekedwe ndi mtengo zimaperekedwa pazidziwitso zokhazokha.Siziyenera kuganiziridwa ngati zomangiriza.Kutsimikiza kwa kuyenera kwa chidziwitsochi pakugwiritsa ntchito kulikonse ndi udindo wa wogwiritsa ntchito.Asanagwiritse ntchito chilichonse, ogwiritsa ntchito akuyenera kulumikizana ndi ogulitsa zinthu, mabungwe aboma, kapena bungwe lopereka ziphaso kuti alandire zambiri, zathunthu komanso zatsatanetsatane zazinthu zomwe akuziganizira.Zina mwazidziwitso ndi zidziwitso zimapangidwa kutengera zolemba zamalonda zomwe zimaperekedwa ndi opanga ma polima ndipo mbali zina zimachokera ku kuwunika kwa akatswiri athu.

nkhani2-2

Nthawi yotumiza: Aug-10-2022