labarai

1. Ƙa'ida

Idan aka shafa resin da ke tushen ruwa a saman substrate, wani ɓangare na wakilin jika yana ƙasan murfin, wanda ke hulɗa da saman da za a jika, ɓangaren lipophilic yana shawagi a saman daskararre, kuma rukunin hydrophilic yana faɗaɗa zuwa ga ruwa. Hulɗar da ke tsakanin ruwa da substrate ta zama haɗuwa tsakanin ruwa da ƙungiyar hydrophilic na wakilin jika, tana samar da tsarin sandwich tare da wakilin jika a matsayin matsakaicin Layer. Sauƙaƙa yaɗa matakin ruwa, don cimma manufar jika. Wani ɓangare na wakilin jika mai tushen ruwa yana wanzuwa a saman ruwan, rukunin hydrophilic ɗinsa ya faɗaɗa zuwa ruwan ruwa, kuma rukunin hydrophobic yana fallasa ga iska don samar da Layer monomolecular, wanda ke rage tashin hankali na saman murfin kuma yana haɓaka mafi kyawun jika na murfin. substrate, don cimma manufar jika.

2. Ƙwarewa wajen amfani da sinadaran jika ruwa

A zahirin samarwa, idan aka yi la'akari da ikon jika resin, ba wai kawai girman matsin samansa mai tsauri ba ne, har ma da girman matsin saman da ke canzawa, ya kamata a yi la'akari da shi, domin a cikin tsarin shafa resin, a ƙarƙashin aikin damuwa, a wannan lokacin. Rage matsin saman da ke canzawa, zai fi kyau jika. A wannan lokacin, da sauri wakilin jika yana samar da Layer monomolecular a saman murfin, wato, da sauri samuwar Layer na kwayoyin halitta mai daidaitawa, zai fi dacewa da jika. Maganin jika mai dauke da fluorine galibi yana rage matsin saman da ke canzawa, kuma wakilin jika mai tushen silicone zai iya rage matsin saman da ke canzawa sosai. Saboda haka, a cikin aiwatar da aikace-aikacen aiki, yana da matukar muhimmanci a zabi wakilin jika mai dacewa bisa ga ainihin yanayin. mahimmanci

3. Matsayin masu watsa ruwa

Aikin masu watsa ruwa da ruwa shine amfani da sinadaran jika da warwatsewa don rage lokaci da kuzarin da ake buƙata don kammala aikin watsawa, daidaita watsawar launin da aka watsa, gyara halayen saman ƙwayoyin launin, da kuma daidaita motsi na ƙwayoyin launin. Musamman ma an nuna su a cikin waɗannan fannoni:

1. Inganta sheƙi da ƙara tasirin daidaita haske. Sheƙi ya dogara ne akan watsa haske a saman murfin (wato, wani matakin lanƙwasa. Tabbas, ya zama dole a tantance ko yana da isasshen lebur tare da kayan aikin gwaji, ba kawai lamba da siffar ƙananan barbashi ba, har ma da haɗinsu. hanyar), lokacin da girman barbashi ya ƙasa da 1/2 na hasken da ya faru (wannan ƙimar ba ta da tabbas), zai bayyana a matsayin haske mai haske, kuma sheƙi ba zai ƙaru ba. Hakazalika, ƙarfin rufewa wanda ya dogara da warwatsewa don samar da babban ƙarfin rufewa ba zai ƙaru ba (sai dai Carbon black galibi yana shan haske, manta da launukan halitta). Lura: Hasken da ya faru yana nufin kewayon haske da ake iya gani kuma matakin ba shi da kyau; amma a kula da rage yawan ƙananan barbashi, wanda ke rage danko na tsari, amma ƙaruwar takamaiman saman zai rage adadin resins kyauta. Ko akwai ma'auni ba shi da kyau. Amma gabaɗaya, daidaita murfin foda ba shi da kyau kamar yadda zai yiwu.

2. Hana launin ruwan sama daga yin fure.

3. Inganta ƙarfin launin toka Lura cewa ƙarfin launin toka ba shi da girma kamar yadda zai yiwu a cikin tsarin launin toka ta atomatik.

4. Rage danko da kuma ƙara yawan nauyin launuka.

5. Rage yawan flocculation kamar haka ne, amma mafi ƙanƙantar ƙwayar, mafi girman ƙarfin saman, da kuma

Ana buƙatar mai watsawa mai ƙarfin shawa mai yawa, amma mai watsawa mai ƙarfin shawa mai yawa na iya haifar da mummunan tasiri ga aikin fim ɗin rufewa.

6. Dalilin ƙara kwanciyar hankali na ajiya yayi kama da na sama. Da zarar kwanciyar hankali na mai watsawa bai isa ba, kwanciyar hankali na ajiya zai ƙara muni (ba shakka, ba matsala bane daga hotonka).

7. Ƙara yawan launuka, ƙara yawan launuka, ƙara bayyana (pigments na halitta) ko ƙarfin ɓoyewa (pigments marasa halitta).