Kutheni kusetyenziswa ii-cellulose ethers kwiipeyinti zelatex?

Ngenxa yeepropathi zabo zeekhemikhali ezizodwa, i-cellulose ethers zizithako eziphambili kwimveliso yepeyinti ye-latex.Zisetyenziswa kwiipeyinti ze-latex njenge-thickeners, i-rheology modifiers, i-colloids ekhuselayo kunye ne-agent egcina amanzi.I-cellulose ethers idlala indima ebalulekileyo ekuqulunqweni nasekusetyenzisweni kweepeyinti ze-latex, kwaye ukusetyenziswa kwazo kuye kwaba yinto eqhelekileyo kwishishini lokugqoka.

Iziguquli ze-Thickeners kunye neRheology:

Omnye wemisebenzi esisiseko ye-cellulose ethers kukujiya kunye ne-rheology modifiers.I-Rheology kuphononongo lwe-deformation kunye nokuhamba kwe-matter, kwaye idlala indima ebalulekileyo ekusetyenzisweni kwezinto zokwaleka.I-Rheology modifiers yongezwa kwiifom zepeyinti ukulawula iimpawu zokuhamba kwepeyinti kunye nokuqinisekisa ukuthungwa okuhambelanayo kunye nokugubungela.Ngokusebenza njengama-thickeners kunye ne-rheology modifiers, i-cellulose ethers inokujiya ipeyinti ye-latex kwaye yenze kube lula ukuyisebenzisa.

I-cellulose ethers zi-polymers ezinyibilikayo emanzini ezifana neekhemikhali ezifana ne-cellulose, i-polymer yendalo efumaneka kwizityalo.Iimpawu ezikhethekileyo zeekhemikhali ze-cellulose ethers zivumela ukuba zityebe ipeyinti ye-latex ngaphandle kokuchaphazela kakhulu i-viscosity yayo, ukuqinisekisa ukuba ipeyinti igudileyo, kunye nokuthungwa.

Ngenxa yeepropathi zabo ezityebileyo, ii-cellulose ethers nazo zongeza iipropathi zokuncamathelisa zokwaleka.Ngokunyusa ubukhulu befilimu yepeyinti, inceda ukuphucula ukudibanisa phakathi kwepeyinti kunye nomphezulu, ukuqinisekisa ukuba ipeyinti ihlala ixesha elide.

I-colloid ekhuselayo:

I-cellulose ethers zi-colloids zokukhusela ezisebenzayo ezinceda ukuzinzisa amaqhekeza e-colloidal kwiipende ze-latex.I-Colloids ngamasuntswana amancinci ahlakazwe kwindawo ephakathi, kulo mzekelo, ipeyinti.Ukuzinza kwezi ngqungquthela kubaluleke kakhulu ekugcineni ingqibelelo epheleleyo yokuqulunqwa kwengubo.

Ukongeza i-cellulose ethers ekubunjweni kweengqungquthela kuqinisekisa ukuba iinqununu ze-colloidal zihlala zihlakazekile ngokulinganayo kwi-coating, ukukhusela ukubunjwa kwe-clumps.Ukongeza, iipropathi ezikhuselayo ze-colloid ze-cellulose ethers zithintela ipeyinti ye-latex ekubeni ityebe kakhulu okanye ibe lukhuni ngokuhamba kwexesha.Oku kuqinisekisa ukuba ipeyinti kulula ukuyisebenzisa kwaye ihlala izinzile kwaye ingaguquguquki ngexesha lokusetyenziswa.

Ugcino lwamanzi:

Enye ipropathi ebalulekileyo ye-cellulose ethers kukukwazi ukugcina amanzi.Ekuqulunqweni kwepeyinti, amanzi ahlala eyongezwa njenge-diluent ukudala i-smooth, even texture kunye nokuphucula iimpawu zokusetyenziswa kwepeyinti.Nangona kunjalo, amanzi anokubangela ukuba ipeyinti yome ngokukhawuleza, ebangela ukuba ukudibanisa phakathi kwepeyinti kunye nomphezulu ube buthathaka.

Ngokugcina umswakama, i-cellulose ethers iqinisekisa ukuba i-coating ihlala i-hydrated kuyo yonke inkqubo yesicelo, ukuyikhusela ukuba yome ngokukhawuleza.Oku kuvumela ukuba ipeyinti yome ngokulinganayo kwaye yenze ibhondi eyomeleleyo, ehlala ixesha elide kunye nomphezulu.

ukuququmbela:

I-cellulose ethers yinxalenye ebalulekileyo yepeyinti ye-latex ngenxa yeempawu zabo zeekhemikhali ezizodwa.Zisetyenziselwa ukwakheka kweengubo njengama-thickeners, i-rheology modifiers, i-colloids ekhuselayo kunye ne-agent yokugcina amanzi.Ngokubonelela ngale misebenzi emininzi, i-cellulose ethers iqinisekisa ukuba iipende ze-latex zihlala zizinzile, zihambelana kwaye kulula ukuzisebenzisa.Ukusetyenziswa kwabo kuye kwaguqula ishishini leengubo, kwaye iingenelo zabo zibonwa ngokubanzi ngabavelisi kunye nabasebenzisi.