Isicelo seI-Hydroxypropyl Methyl Celluloseku-Ink Printing
Uyinki wakhiwe ngezimibalabala, izibophezelo kanye nama-agent asizayo (i-hydroxypropyl methylcellulose), axutshwa futhi agoqwe.
Ilungele uku-inki. Umbala, umzimba (imvamisa izici ze-rheological zikayinki ezifana nokuvumelana okuncane kanye ne-fluidity zibizwa ngokuthi umzimba we-inki) nokusebenza kokumisa kuyizici ezintathu ezibaluleke kakhulu zikayinki.
I-hydroxypropyl methylcellulose esheshayo yokuphrinta uyinki iyimpushana emhlophe engenaphunga, enganambitheki, engenabuthi.
Ikhukhumala ibe isisombululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo. Inezici zokuqina, ukubopha, ukuhlakazeka, i-emulsification, ukwakheka kwefilimu, ukumiswa, i-adsorption, i-gelation, umsebenzi ongaphezulu, ukugcinwa kwamanzi kanye ne-colloid evikelayo. idlala indima ebalulekile ku.
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IHydroxypropyl methylcellulose inama-viscosity amathathu we-100,000, 150,000, kanye ne-200,000. I-viscosity iyisici sokugeleza koketshezi lukayinki.
Inkomba yenani lokumelana (noma ukungqubuzana kwangaphakathi) ukunyakaza. Enqubweni yokuphrinta kwe-offset, i-viscosity ethile iyadingeka ukuze ugcine ukudluliswa kweyinki ngokujwayelekile.
Kuyisimo esiyinhloko sokulethwa nokudluliselwa, futhi kuyisimo esibalulekile sokunquma ukushesha, ukucaca kanye nokucwebezela kokuphrinta. I-viscosity kayinki
Uma likhulu kakhulu, kuzoba nzima ukudlulisa nokudlulisa, ukuze inani leyinki ku-layout linganele, okuholela ekunqunu kwehluzo nombhalo ukuze wenze iphethini. Ngokufanayo, i-viscosity
Uma likhulu kakhulu, kulula futhi ukubangela ukuba iphepha libe yimpuphu futhi libe yimpuphu, noma kubangele ukucwecwa kweshidi eliphrintiwe. Kodwa uma i-viscosity incane kakhulu, kulula ukuyikhiqiza
Intanta futhi ingcolile, izobangela ukufakwa kwe-inki ezimweni ezinzima, uma ingakwazi ukugcina ukudluliswa nokudluliswa okujwayelekile, futhi kancane kancane kuyinki.
Izinhlayiya ze-pigment ziqoqana kuma-roller, amapuleti okuphrinta nezingubo zokulala, futhi lapho ukuqoqwa kufinyelela ezingeni elithile, kuzodala ukuthuthumela.
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I-Hydroxypropyl methyl celluloseinokunamathela okuhle, igwema ukunamathela kukayinki phakathi nenqubo yokuphrinta
Ayihambisani nezimo zokusebenza nokuphrinta kwe-substrate, okuholela kumpushana wephepha, i-lint, ukuphrinta kwe-inki okungalungile, ukuphrinta.
Ukuhluleka kokuphrinta njengamapuleti angcolile.
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I-Hydroxypropyl methylcellulose ine-thixotropy enhle, igwema i-thixotropy kayinki ngesikhathi sokuphrinta.
Ukuhluleka kokuphrinta okufana "nokugeleza kwe-inki okungalungile", ukudluliswa kwe-inki okungalingani, nokunwetshwa okukhulu kwamachashazi okubangelwa ububi.
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IHydroxypropyl methylcellulose inokunamathela okuphezulu kakhulu, ngesikhathi sokuphrinta kwe-offset, amandla okuthayela kayinki awaqondile nje kuphela.
Ihlobene nomthelela wokuphrinta kanye nekhwalithi yomkhiqizo ophrintiwe, futhi ihlobene kakhulu nenani likayinki endaweni yeyunithi. Uma ukhetha
Ukusebenzisa oyinki abanamandla okuthayela okuqinile kuzodla uyinki omncane kunoyinki onamandla okuthayela abuthakathaka, futhi kungatholakala imiphumela emihle yokuphrinta.
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I-Hydroxypropyl methylcelluloseinobumanzi obuhle kakhulu, uyinki ewuketshezi, kanye nokulingana emthonjeni oyinki
Inekhono elihle lokuyinki kanye nekhono elihle lokuyinki; ukudluliswa nokudluliselwa phakathi kwamarola ayinki noma phakathi kwepuleti lokunyathelisa nengubo yokulala nakho kuhle;
Ungqimba lukayinki lufana; ifilimu ye-inki ephrintiwe iyisicaba futhi ibushelelezi. Uma i-fluidity incane kakhulu, kulula ukubangela ukukhishwa kweyinki okubi; ukusatshalaliswa okungalingani kwesendlalelo sikayinki, njll.
okwenzekayo, ubuso befilimu ye-inki ephrintiwe izophinde ivele ibe nama-ripples. Uma i-fluidity inkulu kakhulu, ungqimba lukayinki omncane kulula ukubangela ukwanda kwamachashazi, ukuphrinta
Umbala awuqinile. Indlela yemitha yokugeleza isetshenziswa kakhulu.
Isikhathi sokuthumela: Apr-25-2024