Hue, haske, da jikewa sune abubuwa uku na launi, amma bai isa a zaɓa bafilastik mai launis kawai bisa abubuwa uku na launi.Yawancin lokaci a matsayin mai launi na filastik, ƙarfin tinting, ikon ɓoyewa, juriya na zafi, juriya na ƙaura, juriya na yanayi, juriya mai ƙarfi da sauran kaddarorin dole ne kuma a yi la'akari da su, kazalika da hulɗar masu launi tare da polymers ko ƙari.
(1) Ƙarfin launi mai ƙarfi
Ƙarfin tinting mai launi yana nufin adadin pigment da ake buƙata don samun wani samfurin launi, wanda aka bayyana a matsayin kashi na ƙarfin tinting na daidaitaccen samfurin, kuma yana da alaƙa da kaddarorin pigment da watsawa.Lokacin zabar mai launi, ana buƙatar gabaɗaya don zaɓar mai launi tare da ƙarfin tinting mai ƙarfi don rage adadin launi.
(2) Ƙarfin sutura mai ƙarfi.
Ƙarfin ɓoyewa yana nufin iyawar launin launi don rufe launin bayan abin idan aka shafa shi a saman abin.Ana iya bayyana ikon ɓoyewa a lamba kuma yana daidai da yawan adadin pigment (g) da ake buƙata ta kowane yanki na yanki lokacin da aka rufe launin bango gaba ɗaya.Gabaɗaya, inorganic pigments suna da ƙarfin rufewa, yayin da kwayoyin halitta suna bayyana a sarari kuma ba su da ikon rufewa, amma suna iya samun ikon rufewa idan aka yi amfani da su tare da titanium dioxide.
(3) Kyakkyawan juriya na zafi.
Juriya na zafi na pigments yana nufin canjin launi ko kaddarorin kayan alade a yanayin yanayin sarrafawa.Gabaɗaya, ana buƙatar lokacin juriya na zafi na pigment ya zama 4 ~ 10min.Gabaɗaya, inorganic pigments suna da kyakkyawan juriya na zafi kuma ba su da sauƙin rubewa a yanayin yanayin sarrafa robobi, yayin da ƙwayoyin halitta ba su da ƙarancin juriya na zafi.
(4) Kyakkyawan juriya na ƙaura.
Ƙauran launi yana nufin abin da ke faruwa cewa samfuran filastik masu launi suna haɗuwa da wasu daskararru, ruwa, gas da sauran abubuwa, kuma pigments suna ƙaura daga ciki na filastik zuwa saman samfurin ko abubuwan da ke hulɗa da shi.Hijira na masu canza launin a cikin robobi na nuna rashin daidaituwa tsakanin masu launi da resins.Gabaɗaya, pigments da ƙwayoyin halitta suna da ruwa mai yawa, yayin da inorganic pigments suna da ƙarancin ruwa.
(5) Kyakkyawan juriya na haske da juriya na yanayi.
Hasken haske da yanayin yanayi suna nufin daidaiton launi a ƙarƙashin haske da yanayin yanayi.Sautin haske yana da alaƙa da tsarin kwayoyin halitta na mai launi.Daban-daban masu launi suna da tsarin kwayoyin halitta daban-daban da sauri.
(6) Kyakkyawan juriya na acid, juriya na alkali, juriya mai ƙarfi da juriya na sinadarai.
Ana amfani da kayayyakin filastik na masana'antu sau da yawa don adana sinadarai da jigilar sinadarai irin su acid da alkalis, don haka ya kamata a yi la'akari da juriya na acid da alkali na pigments.
Lokacin aikawa: Oktoba-17-2022