Nyika yoonse - EVA (Ethylene Vinyl Acetate Copolymer): Indasitile Iibelesya Polymer Redefinition
Zibeela Zipati Zyakubelesya
Mumakwebo aazyakusama, EVA yesu nchintu chikonzya kuchincha zintu. Yakasandula muzeezo wakukkalwa moyo akuyuma kwansapato. Kusanganya kulibedelede kwakukonzya kuchincha akulesya kuzungaana kwa EVA kupa kuti ibe kabotu kuzisani zyamaulu. Kufumbwa naa nzintu zitakatazyi alimwi zizungaana zyazisani zyakubalikila zipa kuti muntu alimvwe kabotu ciindi nomunyanyaasya mubili naa kuti nzintu zijisi bulo bwazisani zyakubalikila zipa kuumbulizyigwa buzuba boonse, EVA yesu ilapa luzibo lutakonzyi kweezyanisyigwa. Basikupanga nsapato basyoma EVA yesu kuti bapange zintu zitazuzikizyi buyo pele ziinda nzyobalangila basikuula kujatikizya kukkalwa moyo alimwi akupona kwachiindi chilamfu.
Industry yakupakila ayalo ilagwasyigwa loko kuzwa ku Global - Premier EVA yesu. Chibelesyegwa kapati mukupanga zintu zyakukwabilila. Kugwasya kwa EVA - kukazyigwa akukonzya kukwabilila zintu zipa kuti ibe kabotu mukukwabilila zintu ziyandisi loko muchiindi chakweenzyegwa akuyobolwa. Kuzwa kuzibelesyo zyaatala zilimbuli mafooni aamaanza ama laputopu kusikila kuzibelesyo zyagilazi zitabeleki kabotu azintu zibotu, EVA - based packaging yesu ilasinizya kuti zintu zilimukati zilasika aawo mpoziya. Kuyungizya waawo, ikukonzya kwayo kubumbwa muziimo azipati zisiyene-siyene kupa kuti kube nzila zyakubikkila zintu, kweendelana aziyandikana zyazintu zisiyene-siyene.
Mumakwebo aakupanga myootokala, EVA ilaa mulimo mupati. Chibelesyegwa muzintu zyamukati zilimbuli zivwunisyo zya dashibodi, milyango, antoomwe amakkusheni aakukkala. Bube bwa EVA buteteete, kucesya muzuzumo, akukazya kubola akutyoka zipa kuti ibe nzila mbotu yakusumpula kukkomana akubotelwa kwakweenzya. Alimwi chigwasya kukukwabililwa kwamoota kwiinda mukupa lukwabililo lwakudonkolana. Basikupanga myootokala basyoma EVA yesu kuti ilakonzya kuchita kuti kube busena buli kabotu alimwi bukwabilidwe kuli basikweenzya.
Muzisobano azyakulikondelezya, EVA yesu nchintu chibelesegwa kapati. Chibelesyegwa mukupanga zibelesyo zyamisobano zyiingi, kubikkilizya mateti aa yoga, mabboodi aakutanta maanzi, azibelesyo zyakulikwabilila. Mateti aa Yoga aakapangwa kuzwa ku EVA yesu alapa busena butakwe kutezemuka, akusinizya kuti kakwiina kuzungaana muchiindi chakunyanyaasya mubili, mpawo akupa ntalisyo iili kabotu alimwi iikwabilidwe. Mabbodela aakuseluka ajisi EVA cores taakwe buyumuyumu, alatanta, alimwi alakkalilila, akupa kuti basikutanta maanzi bakonzye kubeleka kabotu. Zibelesyo zyakukwabilila zilimbuli zikwabilizyo zyamabondo azyakuboko zyakabambwa a EVA zipa lukwabililo lusyomeka, akucesya ntenda yakulichisa muchiindi chazisobano.
Zitondezyo
| Zina lyachintu | EVA | |||||||||
| Fomula yaKkemikalu | (C2H4)x(C4H6O2)y | |||||||||
| Mbuchiboneka | Musinza uutuba uusalala | |||||||||
| Bulemu | 0.91 - 0.96 g/cm3 | |||||||||
| CAS NO | 24937 - 78 - 8 | |||||||||
| HS Code | 3901.3 | |||||||||
| EINECS NO | 246 - 548 - 1 | |||||||||
| Kulembela | Zibikkwa muzisani, mafilimu, ntambo, zisobano | |||||||||
Pepa lyakweendelezya bubotu
| Zina lyachintu | EVA | ||||||
| CHINTU | MULEMO UULYEELEDE (%) | BULEMU BWAKUSUNKA(%) | |||||
| Maila maubauba,PCS/KG | 0% | 0.00% | |||||
| Mubala, PCS/KG | ≤10 | 0 | |||||
| Maila mapati amasyoonto, PCS/KG | ≤10 | 0 | |||||
| Maila aatobela ＼,PCS/KG | ≤20 | 2.00% | |||||
| Floccule, g/kg | ≤0.02 | 0 | |||||
| VA,%(wt) | 18(+/-)1 | 17.3 | |||||
| Mweelwe wakunyenguluka, g/10min | 2.8(+/-)0.5 | 3.17 | |||||
| Bupati,(23 ℃)g/m3 | Mbuli lipooti | 0.937 | |||||
| Kupya kwakunyenguluka,℃ | Mbuli lipooti | 90 | |||||
Mubufwaafwi
EVA yesu ya Global - Premier ilibikkidwe mubbokesi lyabubotu, likwabilila kutegwa litanyonyooki muchiindi chakuyobolwa akutolwa. Kabunga kamwi akamwi kalasunkwa loko, kubikkilizya akulanga-langa bupange, kupima zintu ziliwo, akulanga-langa mbozibeleka. Nikuba kuti uli kkampani yazisani zyakusama muYulopu, inkamu yakupaka muEzhiya, sikupanga myootokala muNorth America, naakuti sikupanga zibelesyo zyazisobano muAustralia, EVA yesu ninzila iisyomeka alimwi iikonzya kuchincha njoyelede. Chilapa mulimo uutakonzyi kweezyanisyigwa, kusinizya kuti chilazuzikizya akuzwidilila kwiinda ziyandikana zyamakwebo aako.