nkhani

1. Mfundo yofunika

Pamene utomoni wopangidwa ndi madzi utakutidwa pamwamba pa gawo lapansi, gawo la chonyowetsa lili pansi pa zokutira, zomwe zimalumikizana ndi pamwamba kuti zinyowetsedwe, gawo la lipophilic limadsorbed pamalo olimba, ndipo gulu la hydrophilic limafikira panja kumadzi.Kulumikizana pakati pa madzi ndi gawo lapansi kumakhala kukhudzana pakati pa madzi ndi gulu la hydrophilic la wothandizira wothira, kupanga masangweji opangidwa ndi chonyowa ngati gawo lapakati.Pangani kukhala kosavuta kufalitsa gawo la madzi, kuti mukwaniritse cholinga chonyowetsa.Mbali ina ya madzi yochokera kunyowetsa wothandizira alipo pamwamba pa madzi, gulu lake la hydrophilic limafikira kumadzi amadzimadzi, ndipo gulu la hydrophobic limawululidwa ndi mpweya kuti likhale ndi monomolecular wosanjikiza, zomwe zimachepetsa kuthamanga kwapamwamba kwa ❖ kuyanika. amalimbikitsa wetting bwino wa ❖ kuyanika.gawo lapansi, kuti akwaniritse cholinga chonyowetsa.

2. Ena amakumana ndi kugwiritsa ntchito chonyowetsa chochokera m'madzi

Pakupanga kwenikweni, poganizira za kunyowetsa kwa utomoni, sikuyenera kuganiziridwanso kukula kwa kugwedezeka kwake kosasunthika, komanso kukula kwa kugwedezeka kwapamtunda, chifukwa pakupaka utomoni, kupsinjika, panthawiyi Kutsika kwamphamvu kwapamtunda kumapangitsa kuti kunyowetsa bwino.Panthawi imeneyi, mofulumira kunyowa wothandizira amapanga monomolecular wosanjikiza pamwamba pa ❖ kuyanika, ndiko kuti, mofulumira mapangidwe a maselo wosanjikiza, ndi abwino kuti wetting.Chowotchera chokhala ndi fluorine makamaka chimachepetsa kusamvana kwapamtunda, ndipo chonyowetsa chochokera ku silikoni chimatha kuchepetsa kugwedezeka kwapamtunda bwino kwambiri.Choncho, pogwiritsira ntchito ntchito, ndikofunika kwambiri kusankha chonyowetsa choyenera malinga ndi momwe zinthu zilili.zofunika

3. Ntchito ya otaya madzi otengera madzi

Ntchito ya dispersants madzi ndi kugwiritsa ntchito wetting ndi dispersing wothandizira kuchepetsa nthawi ndi mphamvu zofunika kuti amalize kubalalitsidwa ndondomeko kubalalitsidwa, bata obalalika pigment kubalalitsidwa, kusintha pamwamba zimatha pigment particles, ndi kusintha kuyenda kwa pigment particles.Zikuwonekera m'mbali zotsatirazi:

1. Sinthani gloss ndi kuonjezera zotsatira kusanja.Kuwala kwenikweni kumadalira kubalalika kwa kuwala pamwamba pa zokutira (ndiko kuti, mlingo wina wa flatness. Inde, m'pofunika kudziwa ngati ndi lathyathyathya mokwanira ndi chida kuyezetsa, osati chiwerengero ndi mawonekedwe. ya tinthu tating'onoting'ono, komanso njira yophatikizira), pomwe kukula kwa tinthu kuli kochepera 1/2 ya kuwala kochitika (mtengo uwu sunatsimikizike), udzawoneka ngati kuwala kowonekera, ndipo gloss sichidzawonjezeka.Mofananamo, mphamvu yophimba yomwe imadalira kubalalika kuti ipereke mphamvu yophimba yaikulu sidzawonjezeka (kupatula Carbon wakuda makamaka imatenga kuwala, kuiwala za pigment organic).Zindikirani: Kuwala kwa chochitikacho kumatanthauza kuchuluka kwa kuwala kowonekera ndipo kuwongolera sikwabwino;koma tcherani khutu kuchepetsa chiwerengero cha ma particles oyambirira, omwe amachepetsa kukhuthala kwa structural, koma kuwonjezeka kwa malo enieni kudzachepetsa chiwerengero cha ma resins aulere.Kaya pali mfundo yokwanira sibwino.Koma kawirikawiri, kusanja kwa zokutira ufa sikuli bwino momwe mungathere.

2. Pewani mtundu woyandama kuti usaphuka.

3. Kupititsa patsogolo tinting mphamvu Dziwani kuti tinting mphamvu si mkulu monga momwe tingathere mu basi toning dongosolo.

4. Kuchepetsa mamasukidwe akayendedwe ndi kuwonjezera pigment Kutsegula.

5. Kuchepetsa flocculation ndi motere, koma bwino tinthu tating'onoting'ono, ndipamwamba mphamvu pamwamba, ndi

dispersant ndi mphamvu apamwamba adsorption chofunika, koma dispersant ndi mphamvu adsorption kwambiri angayambitse zotsatira zoipa pa ntchito filimu zokutira.

6. Chifukwa chowonjezera kukhazikika kosungirako ndi chofanana ndi pamwambapa.Kamodzi kukhazikika kwa dispersant sikukwanira, kukhazikika kosungirako kudzakhala koipitsitsa (zowona, palibe vuto pa chithunzi chanu).

7. Wonjezerani kukula kwa mtundu, kuonjezera machulukitsidwe amtundu, kuonjezera kuwonekera (organic pigments) kapena kubisala mphamvu (inorganic pigments).