1. Taw qhia
Hydroxyethyl cellulose (HEC) yog ntau yam polymer muab tau los ntawm cellulose, dav siv nyob rau hauv ntau yam lag luam vim nws zoo heev rheological zog, dej tuav peev xwm, thiab compatibility nrog rau lwm yam ntaub ntawv.Nyob rau hauv lub realm ntawm number case formulation, HEC ua hauj lwm raws li ib tug tseem ceeb tivthaiv, imparting cov yam ntxwv zoo xws li viscosity tswj, stability, thiab adhesion.
2.Kev nkag siab HEC hauv Ink Formulations
Nyob rau hauv ink formulations, HEC ua raws li ib tug thickening neeg sawv cev, pab txhawb viscosity kom ua tau zoo txaus tus yam ntxwv.Nws qhov xwm txheej hydrophilic ua rau nws khaws dej kom zoo hauv cov number case matrix, tiv thaiv kom qhuav ntxov ntxov thiab tswj kev sib xws thaum lub sijhawm luam ntawv.Ntxiv mus, HEC nthuav tawm tus cwj pwm shear-thinning, txhais tau tias nws txo cov viscosity nyob rau hauv shear stress, ua kom yooj yim daim ntawv thov mus rau ntau yam substrates.
3.Cov txiaj ntsig ntawm Kev Koom Tes HEC hauv Inks
Viscosity Control: HEC muaj kev tswj xyuas meej ntawm tus number case viscosity, tseem ceeb heev rau kev ua tiav cov kev xav tau luam tawm zoo thiab kev ua tau zoo hla ntau txoj kev luam ntawv.
Txhim khu kev ruaj ntseg: Los ntawm kev tsim cov matrix ruaj khov, HEC tiv thaiv sedimentation thiab theem sib cais, kom ntseeg tau tias tus cwj pwm tsis sib xws thiab kev ruaj ntseg mus ntev.
Enhanced Adhesion: Cov khoom nplaum ntawm HEC txhawb kev ua kom zoo dua ntawm tus number case thiab substrate, uas ua rau cov ntawv luam tawm tau zoo dua qub thiab tiv thaiv kev puas tsuaj.
Kev tuav dej: HEC lub peev xwm khaws cov dej kom txo tau cov evaporation thaum luam ntawv, txo cov sij hawm kom qhuav thiab tiv thaiv nozzle clogging hauv inkjet printers.
Compatibility: HEC yog sib xws nrog ntau yam ink additives thiab pigments, tso cai rau ntau yam ink formulations raws li tej kev cai luam ntawv.
Environmental Friendliness: Raws li bio-raws li polymer, HEC pab txhawb kev ruaj khov ntawm cov xim number case, ua raws li kev coj ua hauv eco hauv kev lag luam luam ntawv.
4. Kev txiav txim siab zoo rau HEC Daim Ntawv Thov
Optimal Concentration: Lub concentration ntawm HEC nyob rau hauv ink formulations yuav tsum tau ua tib zoo optimized kom ua tau raws li qhov xav tau viscosity yam tsis muaj kev cuam tshuam lwm yam cwj mem.
Kev Ntsuam Xyuas Kev Sib Raug Zoo: Ua ntej kev tsim khoom loj, kev ntsuas kev sib raug zoo nrog rau lwm cov khoom siv number case thiab substrates yog qhov tseem ceeb los xyuas kom muaj kev ruaj ntseg thiab kev ua haujlwm.
Particle Size Control: Particle loj tis ntawm HEC yuav tsum tau tswj kom tsis txhob clogging ntawm printing khoom, tshwj xeeb tshaj yog nyob rau hauv inkjet luam ntawv tshuab.
Cia Lub Sijhawm: Kev khaws cia kom zoo, suav nrog kev tswj qhov kub thiab av noo, yog qhov tseem ceeb rau kev tswj hwm kev ncaj ncees ntawm HEC-based number case formulations thiab ua kom lub neej ntev.
Kev Tswj Xyuas Kev Ua Raws Cai: Ua raws li cov qauv kev cai, xws li hais txog kev nyab xeeb, kev noj qab haus huv, thiab kev cuam tshuam ib puag ncig, yuav tsum tau ua kom ntseeg tau thaum siv HEC hauv cov tshuaj number case.
5.Case Studies thiab Applications
Flexographic Printing: HEC-raws li inks feem ntau siv hauv flexographic luam ntawv rau ntim cov ntaub ntawv, muab cov ntawv luam tawm zoo, adhesion, thiab xim sib xws.
Textile Printing: Hauv textile printing, HEC imparts viscosity tswj thiab ntxuav ceev ceev rau inks, kom ntseeg tau tias muaj zog thiab ruaj prints ntawm ntau yam ntaub.
Inkjet Printing: HEC yog lub luag haujlwm tseem ceeb hauv inkjet formulations, muab viscosity stability thiab tiv thaiv nozzle clogging, tshwj xeeb tshaj yog nyob rau hauv high-speed printing daim ntaub ntawv.
Gravure Printing: HEC-raws li inks nyob rau hauv gravure printing muaj superior ndlwg zog thiab adhesion, ua rau high-zoo prints ntawm ntau yam substrates xws li ntawv, yas, thiab hlau.
Hydroxyethyl cellulose (HEC) plays lub luag haujlwm tseem ceeb hauv kev tsim cov number case nyob rau hauv ntau hom kev luam ntawv, muab qhov sib npaug ntawm viscosity tswj, stability, thiab adhesion.Nws versatility, ua ke nrog ib puag ncig tus phooj ywg, ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau cov neeg lag luam number case nrhiav kev ua kom zoo tshaj plaws thiab kev ua haujlwm zoo thaum ua raws li kev coj ua.Los ntawm kev nkag siab txog cov txheej txheem thiab cov txiaj ntsig ntawm HEC hauv cov txheej txheem luam ntawv, cov tshuab luam ntawv tuaj yeem siv nws lub peev xwm kom ua tiav cov txiaj ntsig zoo hauv lawv cov kev sim luam ntawv.
Post lub sij hawm: Apr-26-2024