Indaba yokuthi ingabe iphepha lodonga liyahambisana nemvelo abantu abavame ukulikhathalela, uma sikhuluma ngokunemba, kufanele kube: kungakhathaliseki ukuthi liqukethe i-formaldehyde noma indaba yokukhishwa kwe-formaldehyde. Kodwa-ke, noma ngabe uyinki osuselwe ku-solvent usetshenziswa kusithombe sangemuva, ungesabi ngoba uzohwamuka futhi ungabe usadala umonakalo emzimbeni womuntu. Ikakhulukazi ezintweni ze-PVC, ziyahwamuka ngokushesha. Kungase kube nephunga elinamandla nelicasulayo kungazelelwe, kodwa kulula ukuliqeda ezinsukwini ezimbalwa.
Ukuthi iphepha lodonga livumelana nemvelo ngokuyinhloko kukalwa ngokusekelwe ekukhishweni kwe-VOC
Njengamanje, abantu abaningi abawuqondi kahle umqondo wokuvikelwa kwemvelo. Nokho-ke kubaluleke kakhulu ukucacisa lolu daba ngoba ngokulucacisa kuphela kungasingathwa kangcono yonke into ngalolu daba.
Okokuqala, ukuthi impahla ngokwayo isebenzise imithombo yemvelo eminingi kakhulu; Okwesibili, ingabe izinto ezisetshenziswayo zingabola ngokwemvelo (okwaziwa ngokuthi ukubola) ngemva kokulahlwa; Nakulokhu, noma ngabe okokusebenza kukhipha i-VOC eyeqile futhi eqhubekayo ngesikhathi sokusetshenziswa, nokuthi ingabe izinto ezinobuthi ziyakhishwa yini phakathi nenqubo yokuwohloka.
Ukuze kuthuthukiswe ukukhomba, iphuzu lokuqala ngeke lichazwe lapha ngoba empeleni, wonke umuntu akakhathazeki kangako ngalolu daba. Manje, okufanele kugcizelelwe iphuzu lesibili. Qhathanisa okungezona nokwelukiweyo kanye ne-PVC. I-PVC iwumkhiqizo wamakhemikhali, i-synthetic resin, i-polymer, kanye nomkhiqizo osuselwe embonini ye-petrochemical. I-PVC ine-plasticity eqinile futhi isetshenziswa kabanzi. Izimpahla ezigqokwa abantu kanye nezitsha ezikhethekile nezinti ze-microwave ekhaya konke kuqukethe noma okungenani kuqukethe impahla ye-PVC. Le nto inzima ukwehlisa izinga lemvelo, futhi kungathatha amakhulu noma izinkulungwane zeminyaka ukunqamula amaketanga e-polymer futhi kuqedelwe inqubo yokuwohloka. Ngakho-ke akuyona into ehambisana nemvelo.
Iphepha elingalukiwe (elivame ukubizwa ngokuthi indwangu engalukiwe) liwuhlobo lokulukwa ngaphandle kokuqondisa, okungukuthi, ukuluka okungeyona i-warp kanye ne-weft. Isakhiwo sawo asikhululekile futhi singabola kalula emvelweni. Ngakho-ke, uma kuqhathaniswa ne-PVC, kuqhathaniswaimpahla ehambisana nemvelo.
Ukuqhathaniswa kokufaneleka kwemvelo kwalezi zinto ezimbili kusekelwe ezingeni lokungcola ezikubangela endaweni ezungezile ngemva kokulahlwa noma inani lamandla (noma izinsiza zemvelo) ezisetshenziselwa ukunciphisa lezi zinto.
Ngaphezu kwalokho, uma kuziwa ekuhlanzekeni kwempahla ngokwayo, i-PVC iyingxenye yesigaba sama-polymers esisindo samangqamuzana aphezulu futhi ilula; Ngokuphambene nalokho, izinto zezindwangu ezingezona ezilukiwe zingcolile. Izindwangu ezingalukiwe ziyindlela yokweluka, hhayi impahla ngokwayo. Kungaba izinto ezihlukahlukene ezingezona ezilukiweyo.
Iphuzu lesithathu limayelana nokukhishwa kwe-VOC. I-VOC=i-volatile organic compounds=formaldehyde, ether, ethanol, njll. Njengoba sikhathazeke kakhulu nge-formaldehyde, imane ibizwa ngokuthi yi-formaldehyde emissions.
Ingabe le nto empeleni isesithombeni sangemuva?Kuncike esimweni esithile. Ingabe kuyiqiniso ukuthi zonke izinto ezingezona ezilukiweyo azinayo i-VOC, kuyilapho izinto ze-PVC zinayo? Cha, akunjalo.
Kunohlobo lukayinki olubizwa ngokuthi uyinki osekelwe emanzini, olusebenzisa izithasiselo ezifana namanzi ne-ethanol phakathi nenqubo yokufaka imibala, evumelana kakhulu nemvelo; Kukhona nohlobo lukayinki olubizwa nge-solvent based inki (evame ukwaziwa ngokuthi uyinki osuselwa kuwoyela), olusebenzisa izincibilikisi zemvelo njengezithasiselo enqubweni yokubala. Kuyinhlanganisela yemvelo eguquguqukayo equkethe i-formaldehyde futhi ayihambisani nemvelo.
Okwezinto ze-PVC, ngenxa yokwakheka kwazo okuminyene, izinhlanganisela eziyisisekelo ezimfishane ezifana ne-formaldehyde azikwazi ukungena. Ngakho-ke, i-formaldehyde nezinye izinhlanganisela zinamathela ebusweni bezinto ze-PVC futhi kulula ukuhwamuka. Ngemva kwezinsuku ezimbalwa, azohwamuka.
Le nqubo yokushintshashintsha ibizwa ngokuthi i-VOC emissions.
Okwezinto ezingezona ezilukiweyo, ngenxa yesakhiwo sazo esixekethile, izinyibilikisi zemvelo zingangena kuzinto ezibonakalayo, futhi inqubo ye-volatilization yezinhlanganisela ezifana ne-formaldehyde ihamba kancane. Kubakhiqizi abaningi, ikakhulukazi imikhiqizo emikhulu, lolu hlobo lweyinki esekelwe ku-solvent aluvamile ukusetshenziswa. Ngisho noma isetshenziswa, izixhumanisi ezengeziwe zizongezwa kunqubo yokukhiqiza ukuze kuqedelwe ukukhishwa kwe-VOC.
Eqinisweni, enkambweni yokuhlobisa ikhaya, into esabekayo kakhulu akuyona iphepha lodonga, kodwa amapaneli ahlanganisiwe (hhayi izinkuni eziqinile). Ngoba ukukhishwa kwe-VOC kumaphaneli ayinhlanganisela kuhamba kancane, kuthatha izinyanga ezimbalwa noma iminyaka.
Cishe wonke amaphephadonga akhazimula ngempela awazona izindwangu ezingalukiwe
Isimo samanje ukuthi abathengisi abaningi nabanikazi bezitolo ezikhethekile bazothi izindwangu ezingalukiwe yizona ezihambisana kakhulu nemvelo. Ngikuthola kuxakile lokhu. Kungani kufanele sisho lokhu? Ingabe ngempela aniqondi? Noma ingabe wesaba ukuthi amakhasimende angase alahlekelwe yibhizinisi ngokugxiliswa imiqondo enjalo ngezinye izitolo zamaphephadonga?
Noma Akekho kubo! Isihluthulelo siwukuthi izinto zokusetshenziswa zephephadonga elingezona ezilukiwe azibizi, inqubo ilula, futhi ukukhangisa kungathengiswa ngentengo ephezulu. Inzuzo enkulu ilapha.
Angiwajwayele amanye amazwe, kodwa okungenani asikho isenzakalo esinjalo eYurophu. Eqinisweni, cishe yonke imikhiqizo emikhulu emhlabeni, noma ngabe iMarburg, Aishi, Zhanbai Mansion, noma amaphephadonga avelele ngempela, enziwe ngendwangu ye-PVC. Phakathi kwazo, iphepha lokunamathisela odongeni lehholo lombukiso lase-Italy libhalwe ngokujulile nge-PVC.
Manje kubonakala sengathi mhlawumbe izwe lakithi kuphela elinomdlandla kakhulu ngephephadonga elingelukiwe emhlabeni, ngoba eminyakeni embalwa edlule, izitolo ezinkulu ziye zasebenzisa kancane kancane izikhwama ezingezona ezilukiwe esikhundleni sezikhwama zepulasitiki, futhi izikhwama ezingezona eziboshwe ziyizikhwama ezinobungane bemvelo. Okucatshangwayo: Okungalukiwe kuyahambisana nemvelo. Ukuvikelwa kwemvelo kuyadingeka ngempela, kodwa ukukhishwa kwe-formaldehyde akuyona into ekhathazayo.
Abakhiqizi basekhaya bathanda ukukhiqiza futhi bathengise izindwangu ezingalukiwe, kodwa kunezinkinga ngezinga lobuciko kanye nezici eziqhutshwa yinzuzo.
Izindwangu ezingalukiwe zifanele izinga lamanje lobuciko babakhiqizi basekhaya (ayikho i-embossing roller edingekayo, i-roller yokuphrinta isetshenziswa. Ingaphezulu le-PVC lidinga i-embossing roller yakho kokubili okuqoshiwe okujulile nokujulile, futhi izindleko ze-embossing roller ziphezulu. Izindleko zokukhiqiza i-laser embossing roller iqala ngo-2000 ngisho ne-embossing e-Italy ebiza kakhulu. EJalimane, i-roller eqoshiwe eqoshwe ngesandla ngokuvamile ibiza amakhulu ezinkulungwane zama-euro, okuyinto enhle kakhulu futhi ingumsebenzi wobuciko.). Ngenxa yalokhu, isithombe sangemuva sekhwalithi ephezulu se-PVC sidinga ukutshalwa kwezimali okubalulekile kwangaphambili.
Uma ukuqashelwa kwemakethe kungephezulu, ukutshalwa kwezimali kwama-embossing rollers kuzomoshakala, okubeka engcupheni enkulu. I-roller yokuphrinta esetshenziselwa izindwangu ezingalukiwe ibiza kuphela ngaphezu kwenkulungwane ye-yuan, ngokutshalwa kwezimali okuncane kanye nemiphumela esheshayo. Akuwona usizi ukuyilahla ngemuva kokuhluleka. Ngakho abakhiqizi basekhaya bazimisele kakhulu ukukhiqiza iphepha lokunamathisela odongeni elingalukiwe. Kubukeka kusebenzisa ngokuqinile inqubomgomo yokusebenza kwefekthri "okufushane, okuyisicaba, nokushesha".
Empeleni,izinto ezingezona ezilukiweyobabe nezici ezimbili ezinkulu: okokuqala, kuhlale kukhona ukufiphala kancane ekubaleni, ngoba ubuso bezinto ezingezona ezilukiweyo abuminyene ngokwanele, futhi umbala udinga ukungena. Okwesibili, uma i-inki esekelwe ku-oyela isetshenziswa, izithasiselo zikayinki osekelwe ku-oyela zizongena kumpahla yendwangu engalukiwe, okwenza kube nzima ukukhulula i-formaldehyde.
Isikhathi sokuthumela: Apr-02-2024