Abubuwan da ke haifar da launin rawaya
1.Photo rawaya
Hoton rawaya yana nufin launin rawaya na saman tufafin yadi da ke haifar da halayen oxidation na kwayoyin halitta saboda hasken rana ko hasken ultraviolet.Yin rawaya hoto ya fi zama ruwan dare a cikin tufafi masu launin haske, yadudduka masu bleaching da yadudduka masu fararen fata.Bayan masana'anta sun bayyana ga haske, ana canza wutar lantarki zuwa gamasana'antarini, yana haifar da fashewar rini da suka haɗa jikin sannan kuma yana haifar da dushewar haske da launin rawaya.Daga cikin su, hasken da ake iya gani da hasken ultraviolet sune manyan abubuwan da ke haifar da faɗuwar rini na azo da rini na phthalocyanin.
2.Phenolic yellowing
Phenolic yellowing gabaɗaya shine NOX da mahaɗan phenolic suna tuntuɓar su da canja wuri kuma suna haifar da launin rawaya na saman masana'anta.Babban abu mai amsawa yawanci shine antioxidants da ke ƙunshe a cikin kayan marufi, kamar butyl phenol (BHT).Bayan barin masana'anta, tufafi da takalma za su kasance ƙarƙashin dogon lokaci na marufi da sufuri.Don haka BHT a cikin kayan tattarawa zai amsa tare da NOX a cikin iska, wanda ke haifar da rawaya.
3.Oxidation yellowing
Oxidation yellowing yana nufin launin rawaya da ke haifar da oxidation na yadudduka ta yanayi ko wasu abubuwa.Ana amfani da rini mai rage yawan rini ko rinimataimakaa rini da gamawa.Bayan sun tuntuɓi iskar oxygen, za a sami raguwar oxidation da haifar da rawaya.
4.Whitening wakili yellowing
yellowing wakili mai launin fari yana faruwa ne akan yadudduka masu haske.Lokacin da saura whitening wakili a kan tufafin surface yin hijira saboda dogon lokacin da ajiya, shi zai kai ga wuce kima na gida whitening wakili da tufafi yellowing.
5.Wani mai laushi yellowing
Abubuwan cationic ions a cikin kayan taimako masu laushi da aka yi amfani da su a cikin aikin gamawa na tufafi za su kasance oxidized lokacin da aka yi zafi, haske da sauran yanayi.Wannan yana haifar da launin rawaya na sassa masu laushi na masana'anta.
Ko da yake launin rawaya ya kasu kashi biyar da aka ambata a sama, a zahirin amfani da shi, yanayin launin rawaya yawanci yakan haifar da dalilai iri-iri.
Yadda za a hana tufafi yellowing?
1.A cikin samar da tsari, Enterprises ya kamata kokarin rage yawan amfani da whitening wakili, kasa fiye da whitening wakili yellowing misali.
2.A cikin saitin a cikin tsari na ƙarshe, yawan zafin jiki bai kamata ya kasance mai girma ba.Babban zafin jiki zai sa dyes ko auxiliaries a saman masana'anta faruwa oxidation fatattaka, sa'an nan kuma haifar da masana'anta yellowing.
3.A cikin tsari na marufi, ajiya da sufuri, ya kamata a yi amfani da kayan aiki tare da ƙananan BHT.Kuma ya kamata a kiyaye yanayin ajiya da sufuri a yanayin zafi na al'ada kuma a shayar da shi har ya yiwu don guje wa launin rawaya.
4.A cikin yanayin phenolic yellowing na tufafin yadi saboda marufi, don rage hasara, za a iya watsar da wani adadin foda na raguwa a kasan marufi kuma a rufe kwali na tsawon kwanaki 1 zuwa 2, sannan a bude. kuma an sanya shi don 6 hours.Bayan kamshin ya tafi, datufafiza a iya sake fakitin.Don haka ana iya gyara launin rawaya zuwa matsakaicin iyaka.
5.A cikin suturar yau da kullun, mutane yakamata su kula da kulawa, wanke akai-akai kuma a hankali kuma su guji ɗaukar dogon lokaci.
Lokacin aikawa: Juni-21-2022