Chinhu chikuru chemukombe wepepa ipepa, nepo yekutanga bepa muti uye bamboo.Vanhu vazhinji havagone kubatsira asi kupokana kuti kana hukuru hwakakura hwekugadzira mukombe wepepa huchaguma nekudyiwa kwehuni hwakawanda, uye huchaguma nekuparara kwezvinhu zvine chekuita nazvo, zvinoparadzawo nharaunda yezvakatipoteredza kusvika pamwero mukuru. .Mufungo werudzi urwu unonzwisisika, unogona kunge uri kunze kwemufungo wezvimwe zviitiko zvekuparadza zviwanikwa zvesango, zvichisiya muono wakashata, zvisinei, kuparadzwa kwemasango kwanhasi kwakadzikiswa zvinobudirira pasi pemitemo yakasimba nemitemo yehurumende.Parizvino, matanda ese emiti yatinoshandisa masango akagadziridzwa zvine musoro anogona kutemwa, iyo utility modhi idondo rehupfumi muti unogona kushandiswa zvine musoro.Naizvozvo, iyo indasitiri yekugadzira kapu yemapepa inongofambisa kusimudzira kwemaindasitiri ane hukama, chero bedzi kutonga kwakanaka, hakuzove nechiitiko chekuparadza kusiririsa kwemhoteredzo yezvisikwa izvo vanhu vari kunetseka nazvo.Mapepa Makapu akatungamira yekutanga indasitiri yekusimudzira iindasitiri yemapepa, nekuti chinhu chikuru chemikombe yepepa ipepa.Kunyange zvazvo kushandiswa kwemazuva ano kwemiti muchikamu chekuronga, asi kuvandudza kushandiswa kwepamusoro kwehuni mukugadzira mapepa uye kutsvaga dzimwe nzira dzepapepa ndiyowo nyaya yekuenderera mberi kwekutsvakurudza.Kutarisisa kwevanhu kune ecological nharaunda, asiwo kusimudzira vanhu bepa fenicha yekudzokorora tsvagiridzo.
Imwe mbishi yekapu yepepa ipepa repamba rakavharwa, rinotengeswa kunze PLA rakavharwa bepa, rinounzwa kunze PE rakavharwa bepa.PE Coating ndiwo muchina wekupfekedza (laminating muchina) pabepa rine layer yePE (polyethylene) firimu Polylactic acid faibha ndeye biodegradable synthetic fiber inogona kuwanikwa kubva muzviyo.Zvigadzirwa zvinoraswa zvinogona kuoreswa kuita kabhoni dhaikisaidhi nemvura netwupukanana huri muvhu kana mumvura yemugungwa.Kana yapiswa, haibudisi gasi rine chepfu uye kukonzera kumwe kusvibiswa.Kune rimwe hydroxyl uye rimwe boka recarboxyl mune imwechete lactic acid molecule, akawanda lactic acid mamorekuru pamwe chete, -OH nemamwe mamorekuru-COOH dehydration condensation, -COOH nemamwe mamorekuru-OH dehydration condensation, iyo polymer yavanoumba inonzi polylactic acid.Polylactic acid inozivikanwawo sepolylactide ndeyemhuri yepolyester.Polylactic acid (PLA) imhando yepolymer zvinhu zvinogona kuwanikwa nekupolymerization yelactic acid.Tichifunga nezvezvinodiwa zvakakosha zvekuchengetedza kwezvakatipoteredza uye hutsanana hwepamusoro hwemakapu emapepa, zvinosungirwa kuenderera mberi nekusimudzira kusimudzira kwePLA uye PE tekinoroji kune imwe nzira yepamusoro.Hunhu hwechikafu pachahwo hunoda kutariswa, asi ndizvo zvakaitawo kunaka kwemidziyo inoshandiswa pakudya nekunwa.
Nguva yekutumira: May-19-2023