I-HydroxyEtheetheetheetheetheethl seluplose (hec) yi-polymer engeyiyo i-ionic, i-poly-allmer esuswe kwi-sellulose. Isetyenziswe ngokubanzi ekuqulunqweni kwepeyinti ye-Latex ngenxa yokwandisa iimpawu ezahlukeneyo zokusebenza.
Ukulungiswa kwe-Rheoology
Ulawulo lwe-viscosity:
I-HEC isetyenziswa njenge-Rheology Modifier kwiPiets ye-Latex. Iyonyusa i-viscofity yepeyinti, ebaluleke kakhulu ngenxa yezizathu ezininzi:
Ukungqinelana kwesicelo:
I-viscosity ephezulu iqinisekisa ukuba ipeyinti isasazeka ngokulula kwaye igcina ukungangqinelani ngexesha lesicelo. Oku kufana kubalulekile ekufezekiseni idyasi kunye nengubo ngaphandle kokuvala okanye ukungcungcutheka.
Ibrashi kunye neRoller isicelo:
Ngepeyinti ifakwe ibrashi okanye i-rollers, i-viscofity elungileyo inceda ekulayishweni kwepeyinti kwibrashi okanye i-roller kwaye iququzelele isicelo esiguyileyo. Ikwanciphisa ukutshitshiswa kwepeyinti, ngaloo ndlela kuncitshiswa i-ittage kunye nokungcola.
Isicelo sokutshiza:
Kwizicelo zokutshiza, ukulawula i-viscofity kubalulekile ukuqinisekisa ukuba iipeyinti zepeyinti i-inter elungileyo ngaphandle kokuvala i-puzzle. I-HEC iyanceda ekufezekiseni ibhalansi efanelekileyo phakathi kolwelo kunye nohlobo lwe-viscofity yokutshiza ngokufanelekileyo.
Isimilo seThixotropic:
I-Hec inika i-thrixic i-thripties kwipeyinti ye-Latex, kuthetha ukuba i-viscofity yepeyinti incipha phantsi koShear (ngexesha lokuxubha, okanye ukutshiza) isuswe kabini. Le ndlela yokuziphatha ivumela ukusetyenziswa ngokulula kunye nokulinganisa kwepeyinti ngelixa iqinisekisa ukuba ihlala isendaweni kwaye ayiqhubi okanye i-SAG emva kwesicelo.
Ukuphuculwa kwezinto
Ukunqunyanyiswa kwee-pigments kunye neefilitha:
I-HeC iphucula uzinzo lweepeyinti ze-Latex ngokuthatha njengearhente yokumisa. Kuyanceda ukugcina ii-pigments, iifilitha, kunye nezinye izinto eziqinileyo zisasazeke ngendlela efanayo kwipeyinti. Oku kuthintela ukuhlalisa okanye ukungcola, okunokukhokelela ekungangqinelaniyo ngombala kunye nokuthungwa.
Uthintelo lokwahlulahlula-hlula:
I-HEC inceda ukugcina uzinzo lwe-emulsi peet ngokupeyinta ngokwahlulahlulahlulahlulahlulo. Oku kubaluleke kakhulu kububomi obude bobomi be-pelt upel, uqinisekisa ukuba ihlala ihamba ngokuhamba kwexesha ngaphandle kwemfuneko yokuvuselela rhoqo.
Iipropathi zezicelo
Ukuhamba okuphuculweyo kunye nenqanaba:
Enye yezibonelelo eziphambili zokusebenzisa i-hec kwipeyinti ye-Latex kukuphuculwa kweepropathi ezihambayo kunye nenqanaba lokulinganisa. Emva kwesicelo, ipeyinti isasazeka ngokulinganayo kumphezulu, ukunciphisa uphawu lwebrashi kunye ne-roller mids. Oku kukhokelela ekugqityweni kwengqondo, ubungcali.
Ixesha elivulekileyo:
I-hec inokunyusa ixesha elivulekileyo lepeyinti ye-Latex, elilixesha apho ipeyinti ihlala isebenza khona emva kwesicelo. Oku kuluncedo ngakumbi kwiiprojekthi ezinkulu, ukuvumela umzobo ukuba enze uhlengahlengiso okanye izilungiso ngaphambi kokuba kupeyinti kuqala ukuseta.
Ukuchasana:
Ngexesha lesicelo, ngakumbi iingqengqele, iziqendu zinokuba ngumcimbi. I-hec inciphise ngokubonelela ngokunika ibhalansi efanelekileyo yokufakwa kunye nobunzima, ukwenza isicelo sicocekile kwaye sisebenze ngakumbi.
Ukuqulunqa kwefilimu kunye nokuqina
Ukomelela kwefilimu kunye nokuguquguquka:
I-HEC inegalelo kwiipropathi zoomatshini befilimu yepeyinti eyomileyo. Iphucula ukuguquguquka kunye namandla aqingqiweyo kwifilimu, eyenza ukuba ixhathise ngakumbi ekuqhekezeni nasekuthandeni. Oku kubaluleke kakhulu kwiindawo apho umphezulu opeyintiweyo unokufumana ithuba lobushushu okanye uxinzelelo lonxibelelwano.
Ukuphuculwa komthendeleko:
I-hec inokuphucula ukunamathela kwipeyinti kumachilisi. Oku kuqinisekisa ukuba ipeyinti yenza iqhina elinamandla kunye nomphezulu, olu lubalulekile lwendlela yokuqina kunye nokusebenza kwexesha elide. Ukunamathela okulungileyo kuthintela imiba efana neflethi kunye nokufihla.
Ukuqulunqwa kunye nokuqulunqwa kokuguquguquka
Ukuhambelana nezinye izongezelelo:
I-hec ihambelana noluhlu olubanzi lwezinye izinto ezongeziweyo kwipeyinti ye-Latex, ezinjenge-bhayisikile, iiarhente ezichasene ne-andeds, kunye ne-coalescents. Oku kuvumela ukuba ifomula ilungiselele iipropathi zepeyinti kwiimfuno ezithile ngaphandle kokusebenzisana kakubi.
Ukuqulunqa ukuguquguquka:
Ngenxa yokusebenza kwayo ngendlela ephantsi, i-HEC ibonelela ngokuguquguquka. Izixa ezincinci zinokuguqula kakhulu iipropathi zepeyinti, zivumela ukwenziwa kweendleko ngaphandle kokusebenza.
Ukuqwalaselwa kokusiNgqongileyo nezokhuseleko
Ayisiyo inetyhefu kwaye ixabisekile:
I-HEC isuselwa kwisellulose, isenza ibe yinto engenatyhefu kunye ne-biodegrady. Olu luqwalaselo olubalulekileyo kwimisebenzi yepeyinti yanamhlanje, njengoko kukho imfuno ekhulayo yeemveliso ezinobuhlobo kunye nezendalo. Ukusetyenziswa kwe-hec angqangi kunye nale meko, igalelo kuphuhliso lweepeyinti ze-Ecomx.
Igalelo eliphantsi leVOC:
Kuba i-hec yi-polymer enyibilikayo yamanzi kwaye ayikhuphi iziko lezinto eziphilayo (VOCs), ukusetyenziswa kwayo kuyanceda ekuqulunqeni iipeyinti eziphantsi. Oku kubalulekile kwizicelo zangaphakathi apho umgangatho womoya uyinkxalabo.
I-HydroxyEtheetheetheetheethy idlala indima ebalulekileyo ekwandiseni intsebenzo yepeyinti ye-testx ngegalelo lakhe elininzi. Ngokuphucula ulawulo lwe-viscosity, uzinzo, iipropathi zendlela, kunye ne-hec yefilimu, i-HEC iqinisekisa ukuba iipeyinti ze-Latex kulula ukuzifaka, zomelele, kwaye zinikeze ekugqibeleni komgangatho ophezulu. Ukongeza, kuyahambelana nezinye ezongezelelo kunye nobuhlobo bokusingqongileyo esingqongileyo kwenza ukhetho olufanelekileyo lwemidlalo yepeyinti yanamhlanje. Njengoko imfuno yeemveliso zepeyinti ephezulu nenobuhlobo ziyaqhubeka nokukhula, indima yehek ekuphumezeni ezi njongo ziye ziya kubaluleka ngakumbi.
IXESHA LOKUQALA: NgoFebwe-18 ukuya kwi-1825