Ngwa nkeHydroxypropyl Methyl Cellulosena Ink Printing
Ihe mejupụtara ink ahụ bụ pigmenti, ndị na-ekekọta na ihe inyeaka (hydroxypropyl methylcellulose), nke a na-agwakọta ma tụgharịa.
Njikere ink. Agba, ahụ (na-emekarị rheological Njirimara nke ink dị ka mkpa anọgidesi na fluidity na-akpọ ahụ nke ink) na ihicha arụmọrụ bụ atọ kasị mkpa Njirimara nke ink.
Ngwa ngwa hydroxypropyl methylcellulose maka mbipụta ink bụ ntụ ntụ na-enweghị isi, enweghị ụtọ, ntụ ntụ na-adịghị egbu egbu.
Ọ na-aza n'ime ngwọta colloidal doro anya ma ọ bụ ubé ojii na mmiri oyi. Ọ nwere àgwà nke ndim, bonding, dispersing, emulsification, film-forming, nkwusioru, adsorption, gelation, elu ọrụ, mmiri njigide na-echebe colloid. na-arụ ọrụ dị mkpa na.
1
Hydroxypropyl methylcellulose nwere viscosities atọ nke 100,000, 150,000, na 200,000. Viscosity bụ njirimara nke mmiri mmiri ink.
Ihe ngosi nke oke nguzogide (ma ọ bụ esemokwu dị n'ime) na mmegharị. N'ime usoro mbipụta akwụ ụgwọ, ụfọdụ viscosity dị mkpa iji dobe nnyefe ink na-adịkarị.
Ọ bụ isi ọnọdụ maka nnyefe na mbufe, ọ bụkwa ọnọdụ dị mkpa maka ịchọpụta ngwa ngwa, doo anya na gloss nke mbipụta. Ink viscosity
Ọ bụrụ na ọ buru oke ibu, ọ ga-esi ike ịnyefe na ịnyefe, nke mere na ọnụọgụ ink dị na nhazi ahụ agaghị ezu, na-eme ka ọtọ nke eserese na ederede na-emepụta ụkpụrụ. N'otu aka ahụ, viscosity
Ọ bụrụ na ọ buru oke ibu, ọ na-adịkwa mfe ime ka akwụkwọ ahụ na-agbagharị na ntụ ntụ, ma ọ bụ mee ka ọkpụkpụ nke mpempe akwụkwọ a na-ebipụta. Ma ọ bụrụ na viscosity dị ntakịrị, ọ dị mfe ịmepụta
Na-ese n'elu mmiri na unyi, ọ ga-eme ka emulsification ink na ikpe siri ike, ma ọ bụrụ na ọ nweghị ike ịnọgide na-ebufe na nnyefe nkịtị, na nke nta nke nta na ink.
Ihe ndị dị na pigmenti na-agbakọta na rollers, efere na-ebi akwụkwọ na blanketị, na mgbe nchịkọta ahụ ruru ọkwa ụfọdụ, ọ ga-eme ka ọ dị nro.
2
Hydroxypropyl methyl cellulosenwere ezigbo adhesion, na-ezere ntinye nke ink n'oge usoro mbipụta
Ọ dabara na arụmọrụ na ọnọdụ mbipụta nke mkpụrụ, na-ebute ntụ ntụ akwụkwọ, lint, ink na-adịghị mma, ibipụta akwụkwọ.
Ọdịda nbipụta dịka efere ruru unyi.
3
Hydroxypropyl methylcellulose nwere ezigbo thixotropy, na-ezere thixotropy nke ink n'oge usoro obibi akwụkwọ.
Ọdịda nbipụta dị ka "nrịba ink na-adịghị mma", ịnyefe ink na-ezighi ezi, na nnukwu mgbasawanye ntụpọ nke ihe ọjọọ kpatara.
4
Hydroxypropyl methylcellulose nwere adhesion dị oke elu, n'oge a na-ebipụta akwụkwọ, ike tinting nke ink abụghị naanị kpọmkwem.
Ejikọtara ya na mmetụta mbipụta na ịdị mma nke ngwaahịa a na-ebipụta, yana ọ na-enwekwa njikọ chiri anya na ọnụọgụ ink kwa mpaghara otu. Ọ bụrụ na ị họrọ
Iji ink nwere ike tinting siri ike ga-eri obere ink karịa ink nwere ike tinting na-adịghị ike, enwere ike nweta nsonaazụ mbipụta dị mma.
5
Hydroxypropyl methylcellulosenwere ezigbo mmiri mmiri, ink mmiri dị mma, yana ịgbatị n'isi iyi ink
Ọ nwere ikike inking dị mma na ikike inking dị mma; nnyefe na nnyefe n'etiti ink rollers ma ọ bụ n'etiti mbipụta akwụkwọ na blanketị dịkwa mma;
Ngwunye ink bụ otu; ihe nkiri ink e depụtara dị larịị ma dị larịị. Ọ bụrụ na mmiri mmiri ahụ dị ntakịrị, ọ dị mfe ime ka ink na-adịghị mma; nkesa akwa ink na-ezighi ezi, wdg.
onu, n'elu nke ink ihe nkiri ga-apụtakwa ripples. Mgbe mmiri mmiri dị ukwuu, oyi akwa ink dị mkpa dị mfe ime ka mgbasawanye ntụpọ, mbipụta
Agba adịghị ike. A na-ejikarị usoro mita eruba eme ihe.
Oge nzipu: Eprel-25-2024