Aikace-aikace naHydroxypropyl Methyl Cellulosea cikin Buga tawada
Tawada ya ƙunshi pigments, binders da wakilai masu taimako (hydroxypropyl methylcellulose), waɗanda aka gauraye da birgima.
Shirye don tawada. Launi, jiki (yawanci rheological Properties na tawada irin su bakin ciki daidaito da fluidity ake kira jikin tawada) da bushewa yi su ne uku mafi muhimmanci kaddarorin na tawada.
Nan take hydroxypropyl methylcellulose don buga tawada mara wari ne, mara ɗanɗano, farin foda mara guba.
Yana kumbura cikin bayani mai haske ko ɗan girgije mai duhu a cikin ruwan sanyi. Yana yana da halaye na thickening, bonding, dispersing, emulsification, film-forming, dakatar, adsorption, gelation, surface aiki, ruwa rike da m colloid. yana taka muhimmiyar rawa a ciki.
1
Hydroxypropyl methylcellulose yana da viscosities guda uku na 100,000, 150,000, da 200,000. Danko shine sifa ta kwararar ruwan tawada.
Alamar adadin juriya (ko juriya na ciki) zuwa motsi. A cikin aiwatar da bugu na biya, wani ɗan ɗanko ya zama dole don kiyaye canjin tawada akai-akai.
Shi ne babban sharadi na bayarwa da canja wuri, kuma yana da mahimmancin sharadi don ƙayyade saurin, tsabta da kyalli na bugawa. Dankowar tawada
Idan ya yi girma da yawa, zai yi wahala don canja wuri da canja wuri, ta yadda adadin tawada a kan shimfidar ba zai isa ba, yana haifar da tsiraici na zane-zane da rubutu don samar da tsari. Hakanan, danko
Idan ya yi girma sosai, kuma yana da sauƙi a sa takardar ta zama ƙunci da foda, ko kuma a sa bawon takardar da aka buga. Amma idan danko ya yi yawa, yana da sauƙin samarwa
Yana iyo da datti, zai haifar da emulsification tawada a cikin lokuta masu tsanani, idan ba zai iya kula da watsawa da canja wuri na al'ada ba, kuma a hankali a cikin tawada.
Barbashi na pigment suna taruwa akan rollers, faranti na bugu da bargo, kuma idan tarin ya kai wani matsayi, zai haifar da lalata.
2
Hydroxypropyl methyl celluloseyana da kyau mannewa, guje wa manne da tawada a lokacin da bugu tsari
Bai dace da yanayin aiki da bugu na substrate ba, wanda ke haifar da foda takarda, lint, ƙarancin tawada mara kyau, bugu
Rashin gazawar bugawa kamar faranti masu datti.
3
Hydroxypropyl methylcellulose yana da thixotropy mai kyau, yana guje wa thixotropy na tawada yayin aikin bugawa.
Rashin gazawar bugu kamar “magudanar tawada mara kyau”, canja wurin tawada mara daidaituwa, da tsananin faɗaɗa dige da mugu ya haifar.
4
Hydroxypropyl methylcellulose yana da babban mannewa, a cikin aiwatar da bugu na diyya, ƙarfin tinting na tawada ba kawai kai tsaye bane.
Yana da alaƙa da tasirin bugu da ingancin samfuran da aka buga, kuma yana da alaƙa sosai da adadin tawada kowace yanki. Idan ka zaba
Yin amfani da tawada mai ƙarfi mai ƙarfi zai cinye ƙasa da tawada fiye da tawada mai rauni mai ƙarfi, kuma ana iya samun sakamako mai kyau na bugu.
5
Hydroxypropyl methylcelluloseyana da ingantaccen ruwa mai kyau, ingantaccen tawada mai ruwa, da daidaitawa a cikin maɓuɓɓugar tawada
Yana da iya yin tawada mai kyau da iya yin tawada mai kyau; canja wuri da canja wuri tsakanin tawada rollers ko tsakanin farantin bugu da bargo yana da kyau;
Layin tawada iri ɗaya ne; Fim ɗin tawada da aka buga yana da faɗi da santsi. Idan ruwa ya yi ƙanƙanta, yana da sauƙi don haifar da zubar da tawada mara kyau; rashin daidaituwa rarraba Layer tawada, da dai sauransu.
sabon abu, saman fim ɗin tawada da aka buga shima zai bayyana ripples. Lokacin da ruwa ya yi girma da yawa, ƙananan tawada na bakin ciki yana da sauƙi don haifar da fadada digo, bugu
Launi ba shi da ƙarfi. Ana yawan amfani da hanyar mitar kwarara.
Lokacin aikawa: Afrilu-25-2024