Xim nyob rau kev kawm yog qhov tseem ceeb hauv kev lag luam los ntawm cov txheej txheem thiab inks rau cov khoom siv tsim kho, qhov twg kom muaj lub sijhawm nrog ncaj qha cuam tshuam ntau ntau ntau yam kev ua tau zoo thiab cov khoom lag luam zoo. N-Vinylpyrrolidone (NVP) Homopolers, chav kawm ntawm cov dej-soluble polymers nrog cov khoom muaj txiaj ntsig ntawm cov qauv no. Raws li kev tshawb nrhiav kev lag luam tsis ntev los no thiab cov ntawv thov cov ntaub ntawv, nvp homopolymers muaj peev xwm cuam tshuam nrog kev kho sab nro, cov viscosity, tus nqi. Cov ntawv sau no tshawb txog kev pib ua ke ntawm cov txheej txheem thiab cov tswv yim cuam tshuam cuam tshuam txog NVP homopolymers rau lub sijhawm ncua kev kawm thiab kev pom zoo ntawm kev nkag siab thiab kev pom zoo hauv ntiaj teb. Los ntawm kev ua kom zoo nvp homopolymer, cov chaw tsim khoom tuaj yeem ua tiav mus txog 30% lub sijhawm ziab kom qhuav thaum tswj hwm xim sib xws thiab yeeb yaj kiab kev ncaj ncees.
To taub cov nvp homopolymers
NVP homopolymers yog cov hluavtaws polymers muab tau los ntawm n-vinylpyrrolidone monomers. Lawv cov qauv molecular muaj ib lub nplhaib hydrophilic pyrrolidone thiab lub hnab yas yas, muab rau lawv ua kom zoo nkauj solubility thiab zaj duab xis-ua lub peev xwm.
Dej solubility: Nvp homopolysibers tshem tawm hauv dej, sib sau cov ntsiab lus meej nrog cov nro qis nro (feem ntau 30-40 mn \/ m).
Zaj duab xis-tsim muaj peev xwm: Thaum ua ntawv thov rau thaj chaw, cov polymers no tsim pob tshab, cov yeeb yaj kiab hloov tau yooj yim nrog cov nplaum muaj zog rau ntau hom.
Thermal ruaj khov: Nvp homopolymers nyob ruaj khov nyob rau ntawm qhov kub txog xyoo 200 degree, ua rau lawv haum rau cov txheej txheem kom muaj kub.
Nyob rau hauv pourcome kev ncua, nvp homopolers pab ntau lub zog:
Dispersants: Tiv thaiv cov xim xim los ntawm adsorbing onto partalle sifaces, txhim kho kev ncua ruaj khov.
Ntsia cov khoom siv: Txhim Ua Zaj Duab Xis Cohesion thiab Durability rau hauv cov txheej thiab inks.
Kom Qhuav Modifiers: Cuam tshuam kom qhuav kinetics los ntawm thaj nro thiab viscosity kev hloov kho.
Kev Nruab Nruab Nruab Nruab Nruab Nruab Nruab Sijhawm Kom Qhuav
NVP Homopolymers hloov kom qhuav lub sijhawm los ntawm peb lub tsev me nyuam:
Los ntawm kev txo qis ntawm qhov kev tsis sib haum sab ntawm kev ncua, NVP homopolers nce cov evaporation tus nqi ntawm dej. Piv txwv li, ib qho kev daws teeb meem 1% ntawm NVP homopolymer (mw {1}}}}}}}}}}
Ntawm cov kev ua kom tsawg (<0.5%), NVP homopolymers decrease suspension viscosity, allowing faster water migration to the surface. Conversely, higher concentrations (1–3%) increase viscosity, slowing evaporation but promoting uniform film formation.
NVP Homopolers adsorb mus rau cov xim hydrope ntawm hydropeen txheej uas tau muab dej tso tawm thaum ziab. Qhov kev cuam tshuam no txo cov particle-particle kev txhuam, ua kom cov qauv sib xyaw ua ke thiab denser zaj duab xis qauv.
Kev sim thev naus laus zis: cov kev xav thiab cov teeb meem molecular
Kev Tshawb Fawb Qhia qhia txog nuanced kev sib raug zoo ntawm nvp homopolymer cov yam ntxwv thiab kev coj ua kom qhuav.
Nyob rau hauv ib txheej txheej txheej muaj titanium dioxide xim pigment, ntxiv {}}. 3%}}}}}}}}}}}}}} Cov nyhuv no yog ntaus nqi rau cov npoo nruj thiab txhim kho cov dej mus ncig.
Nce nvp homopolymer concentration mus rau 2% nyob rau hauv ib qho kua mis tsim kom qhuav lub sij hawm mus rau 55 feeb vim muaj viscosity ntxiv. Txawm li cas los xij, lub txiaj ntsig kev ua yeeb yaj kiab nthuav tawm cov xim retentent thiab kos tsis kam piv rau cov qauv muaj txiaj ntsig.
Lub cev hnyav dua molecular hnyav nv homopolers (mw> 100, {1}}}}}}}}) Daim Ntawv Ntau Ziab Yawg Tab sis qeeb kom qhuav vim muaj kev daws viscosity. Piv txwv li, kev daws 1% ntawm MW 1,300, 000 nvp homopolymer tau qhuav 40% qeeb dua li ntawm MW 40, {} polymer.
Kev Kawm Kawm Hauv Kev Lag Luam
Ib lub chaw tsim khoom xim hauv Tuam Tshoj incorporated {}}. 8%}, {}}) rau hauv nws cov dej-raws phab ntsa xim tsim. Qhov kev hloov kho no txo kom qhuav lub sijhawm los ntawm 90 feeb rau 65 feeb, tso cai rau kev ua kom sai dua thiab nce ntxiv muaj peev xwm ntau yam ntxiv los ntawm 23%.
Lub European Inkjet Ink Tus tsim tawm kom ua tau zoo nws cov xim tshem tawm nrog {{0%}. 5% nvp homopolymer. Daim qauv ua tiav tiav 15% txo qis hauv lub sijhawm qhuav, ua kom cov ntawv loj dua tsis muaj smudging. Ib qho ntxiv, cov polymer cov yeeb yaj kiab-ua cov khoom tau txhim kho cov xim ceev ceev ntawm 12%.
Nyob rau hauv ib daim ntawv thov coaftiousites, ntxiv 1.2% nvp homopolymer (mw {}}}}} Cov tshuaj polymer-khaws cov khoom siv kuj tseem tsawg qeeb thaum ziab.
Cov tswv yim txhim kho kom qhuav
Xim Cov Chaw thau khoom: Cov xim ntau cov xim xav tau yuav tsum tau ntau homopoler noj tshuaj kom tswj kom muaj kev faib tawm ruaj khov thiab ziab.
Txom Nyem: Kho kom haum Ph rau 8-9 txhim kho nvp homopolymer solubility thiab sib cuam tshuam nrog cov xim thaj chaw.
Qho so: Endating kom qhuav kub ntawm 25 degree tuaj yeem txo lub sijhawm qhuav los ntawm 30%, tab sis yuav tsum tau sib npaug nrog polymer thermal stability txwv.
Kev vaum: Nyob rau hauv cov av noo ib puag ncig, NVP homopolers nrog qis dua molecular hnyav (mw <50, {2}}}}}}
Cov kev cov nyom thiab cov kev daws teeb meem
Ua kom qhuav tuaj yeem ua rau cov yeeb yaj kiab brittleness thiab kev tawg. Ntxiv cov neeg nyiam nyiam zoo li glycerol ({{{0-1%}. 5-1%) nrog NVP homopolymers pab khaws cov dej noo thiab txhim kho zaj duab xis yooj yim.
NVP homopolymers yuav cuam tshuam nrog surfactants lossis crosslinking tus neeg sawv cev. Piv txwv li, cationic surfactants tuaj yeem ua hmoov digabize nvp-dogrilized tshem tawm. Kev ntsuas kev kuaj xyuas ua ntej siv cov teeb pom kev zoo hloov kho tau raug pom zoo kom ua tau qhov sib raug zoo.
Xaus thiab Kev Lag Luam Cov Lus Taw Qhia
NVP Homopolers muab rau kev daws teeb meem ntau yam kom qhuav hauv paus kev ncua kev ncua, nrog cov txiaj ntsig kev ncua nrawm nrawm nrawm thiab txhim kho cov khoom lag luam zoo. Los ntawm kev ua tib zoo ntsuas lub tswv yim, haum hnyav, thiab tsim cov qauv ntawm cov qauv, cov chaw tsim khoom tuaj yeem ua tiav kev ua kom huv. Rau kev txhim khu kev qha nvp homopolymer daws, txiav txim siab sib koom tes nrogHangzhou Zaj sawv ntshuam & Export Co., Ltd. (https:\/\/www.sunvidone.com\/), ib tug neeg muab kev ntseeg siab ntawm cov kev ua kom muaj txiaj ntsig ntawm cov paj ntxiv rau kev siv cov khoom siv muaj. Lawv cov qauv tsim tau tau ua pov thawj los txhim kho kom qhuav thaum tswj cov khoom muaj kev ncaj ncees, inks, thiab cov ntaub ntawv tsim kho.
Pom zoo rau Enterprise:
Hangzhou Zaj sawv Ntshuam ntshuam & Export Co., Ltd. TSHWJ XEEB HAIS TXOG KEV PAB CUAM TSHIAB RAU COV TOV THAWPS THIAB INK Kev Lag Luam. Lawv cov nvp homopolymers tau ua kom tiav lub sijhawm kom qhuav thiab zoo dua zaj duab xis, txhawb cov neeg tsim khoom lag luam hauv kev ua haujlwm zoo tshaj plaws.