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PVC umnyango umkhusane iminyaka emibini hayi yellowing umgaqo

Umkhusane womnyango usetyenziswa yintsapho nganye, ngakumbi ehlotyeni eshushu, iingcongconi zingaphezulu, ukukhanya kunamandla kakhulu, ngoko ke kumnyango wehlobo ukuthengiswa kwamakhethini kuthe tye, umgangatho wemveliso sisiqinisekiso esibalulekileyo.Kukho iintlobo ezininzi zeendlela zekhethini zomnyango.Ehlotyeni, sikholisa ukubona ikhethini yomnyango othambileyo wePVC.PVC curtain 微信图片_202203151152073ngonaphakade, umkhusane obala umnyango unengxaki eqhelekileyo ngokwentelekiso, oko kukuthi, kulula ukuba tyheli, ukuguga ngokukhawuleza, kwaye kuchaphazela ngokunzulu inkangeleko yeemveliso, kubonakala olu hlobo isenzeko unokuvumela intloko ebuhlungu umsebenzisi, ngakumbi vumela ucango oluthambileyo umenzi umkhusane engenakuzinceda.Abavelisi abaninzi baye bafuna umncedisi wokutshintsha le ngxaki, bazama kakhulu, abanye emva kokusetyenziswa nangona bephuculwe, kodwa umphumo awufanelekanga.

Isizathu soku kukuba umkhusane wePVC utyheli,Ikakhulu ngenxa yokuba umkhusane wocango ungaphandle, ilanga linokukhanya ngokuthe ngqo, iinyanga ezintathu okanye ngaphezulu ziya kuvela into etyheli, umthubi omde unzima ngakumbi.Le nto ibangelwa ubukhulu becala kwimitha ye-ultraviolet elangeni, eyatshabalalisa i-molecular structure ye-PVC yekhethini, ukwenzela ukuba i-chlorine yepolar equlethwe kwisakhiwo se-PVC ekukhanyeni kwexesha elide kunye ne-oxidation iya kukhawulezisa ukubola kwe-yellowing efana ne-PS kunye ne-PU.Oku kunokuncitshiswa ngokongeza inani elincinci le-antioxidants kunye nezinzisi zokukhanya ngexesha lesigaba sokuxuba.Izongezo eziqhelekileyo ze-Antioxidants 1010 kunye ne-UV-531 zezona zixhaphakileyo zokudibanisa ukuguga kwiimveliso ze-PVC.Nceda bhekisa ku.

Nangona kunjalo, iimveliso zekhethini zePVC ezicacileyo zihlala zixhathisa ngakumbi kwimitha ye-ultraviolet kuneemfuno ze-antioxidant, kucetyiswa ukuba iintlobo ezahlukeneyo zokuzinzisa ukukhanya ezisetyenziselwa ukulungelelanisa zingcono.Uninzi lwezixhobo zokufunxa ze-UV kwimarike ziyi-monomer, kwaye azikwazi ukudlala isiphumo esichasene nomthubi.Kufuneka ukhethe ukufunxa i-Absorbent ye-UV ekwincopho eninzi, inokucaca ngakumbi ukufezekisa isiphumo sexesha elide esingamthubi.Okwangoku, imarike iqhele ukusebenzisa uhlobo olufanelekileyo lomdlalo we-UV absorber X-2, ukuhlangabezana neemfuno zabathengi.Ukukhetha i-anti-oksijeni enjalo, i-anti-ultraviolet, ukuzinza kokukhanya kwe-Absorption ye-UV ye-match, inokukhupha imveliso yetrafikhi yeplastiki.


Ixesha lokuposa: Mar-15-2022