Lokacin da haske yayi aiki akan samfuran filastik, ɓangaren hasken yana haskakawa daga saman samfurin don samar da haske, ɗayan ɓangaren hasken kuma yana raguwa kuma ana watsa shi cikin cikin filastik.Lokacin saduwa da ɓangarorin launi, tunani, refraction da watsawa suna sake faruwa, kuma launi da aka nuna shine ɓangarorin pigment.Launi mai haske.
Hanyoyin canza launin filastik da aka fi amfani da su sune: canza launin bushe, mai launi mai launi (manna launi), canza launin masterbatch.
1. Dry canza launi
Hanyar hadawa da canza launin kai tsaye tare da toner (pigments ko dyes) ƙara yawan adadin foda da kayan daɗaɗɗen filastik ana kiransa launin bushe.
Abubuwan da ake amfani da su na busassun launi suna da kyau rarrabawa da ƙananan farashi.Ana iya ƙayyade shi ba bisa ka'ida ba bisa ga buƙatun, kuma shirye-shiryen ya dace sosai.Yana adana amfani da ma'aikata da kayan aiki a cikin sarrafa kayan kwalliya irin su masterbatches masu launi da pastes masu launi, don haka farashin ya yi ƙasa, kuma masu sayarwa da masu sayarwa ba sa buƙatar amfani da shi.An iyakance shi da adadin;illar ita ce launin ruwan zai tashi da kura ya haifar da gurbacewar yanayi a lokacin sufuri, ajiya, aunawa da hadawa, wanda zai shafi yanayin aiki da lafiyar masu aiki.
2. Manna mai launi (launi) mai launi
A tsarin canza launi, yawanci ana haɗe mai launin ruwan ruwa (plasticizer ko resin) a niƙa shi da manna, sannan a haɗa shi daidai da robobi, kamar man shafawa na enamel, fenti, da sauransu.
Amfanin mai launi mai launi (launi) mai launi shine cewa tasirin watsawa yana da kyau, kuma ba za a samar da gurɓataccen ƙura ba;rashin amfani shine cewa adadin launin launi ba shi da sauƙin ƙididdigewa kuma farashin yana da yawa.
3. Masterbatch canza launi
Lokacin shirya manyan batches masu launi, ƙwararrun launuka masu launi galibi ana shirya su da farko, sannan a haɗa pigments cikin mai ɗaukar launi na masterbatch bisa ga tsarin dabara.Ana hada kwayoyin halittar gaba daya, sannan a sanya su su zama kwatankwacin kwatankwacin girman gadar resin, wadanda ake amfani da su ta hanyar gyare-gyaren kayan aiki don kera kayayyakin robobi.Lokacin da aka yi amfani da shi, kawai ƙananan rabo (1% ~ 4%) yana buƙatar ƙarawa zuwa resin launi don cimma manufar yin launi.
Idan aka kwatanta da bushe canza launi, masterbatch canza launi yana da wadannan bayyane abũbuwan amfãni: inganta muhalli gurbatawa lalacewa ta hanyar tashi Toner, sauki canza launi a lokacin amfani, babu musamman tsaftacewa na extruder hopper, da kuma barga dabara Yana da karfi yi da kuma iya tabbatar da cewa launi na batches biyu na launi masterbatches iri ɗaya sun kasance in mun gwada da kwanciyar hankali.Rashin hasara na canza launi na masterbatch shine cewa farashin canza launi yana da yawa kuma yawancin shirye-shiryen ba su da sauƙi.Bugu da kari, ana yin toners na lu'u-lu'u, foda mai walƙiya, foda masu haske da sauran abubuwan toners zuwa manyan nau'ikan launi sannan ana amfani da su don canza launin robobi.Idan aka kwatanta da haɗakar robobi kai tsaye don yin launi, tasirin (kamar mai sheki, da sauransu) ya raunana da kusan kashi 10%, kuma samfuran gyare-gyaren allura suma suna da saurin kwarara.Girgizawa da sutura.
nassoshi
[1] Zhong Shuheng.Haɗin Launi.Beijing: Gidan Buga Fasaha na Sin, 1994.
[2] Song Zhuoyi et al.Filastik albarkatun kasa da ƙari.Beijing: Gidan Buga Adabin Kimiyya da Fasaha, 2006. [3] Wu Lifeng et al.Jagoran Mai Amfani Masterbatch.Beijing: Masana'antun Masana'antu, 2011.
[4] Yu Wenjie et al.Abubuwan Ƙarfafa Filastik da Fasahar Ƙira.Bugu na 3.Beijing: Sinadaran Masana'antu Press, 2010. [5] Wu Lifeng.Zane-zanen Launi na Filastik.Bugu na 2.Beijing: Masana'antun Masana'antu, 2009
Lokacin aikawa: Afrilu-09-2022