I-HEC (i-hydroxyethyl cellulose)isetyenziswa ngokubanzi kwiingubo ngenxa yokuqina kwayo okugqwesileyo, ukwenza ifilimu, ukuthambisa kunye neempawu zokusasaza.
1. Ukutyeba
I-HEC idla ngokusetyenziswa njenge-thickener ye-coatings yamanzi, enokunyusa ngokufanelekileyo i-viscosity ye-coating kwaye yenza i-coating ibe lula ukuyiphatha ngexesha lenkqubo yokugqoka. Ngenxa yokuba i-HEC i-soluble yamanzi, inokubonelela ngemiphumo ebalulekileyo yokuqina kwiindawo eziphantsi, inceda i-coating igcine iimpawu ezintle ze-rheological. Oku kubaluleke kakhulu kwizicelo ezifana nokutshiza kunye nokuxubha ukuthintela ipeyinti ukuba ingagugi ngexesha lokufaka.
2. Yenza ifilimu yokugqoka iyunifomu
I-HEC ineepropati ezintle kakhulu zokwenza ifilimu kwaye inokwenza ifilimu efanayo kunye ne-coating egudileyo ngexesha lokumisa. Olu phawu lwenza i-HEC isetyenziswe ngokubanzi kwiingubo ezisekelwe emanzini, ezifana neengubo zodonga kunye neengubo zokhuni. I-HEC inceda ekuphuculeni ukubambelela kunye nokuchasana kwamanzi kwiifilimu zokugubungela, ngaloo ndlela kuphuculwe ukuqina kunye neempawu ezikhuselayo zokugquma.
3. Iimpawu zokufuma
Ngexesha lokumisa ipeyinti,I-HECinokugcina ngokufanelekileyo ukufuma kwipeyinti, ngaloo ndlela inqanda ukuqhekeka kunye nokuxobulwa okubangelwa ukomisa ngokukhawuleza. Le propati yokuthambisa ibaluleke kakhulu kwiingubo ezisekelwe emanzini ngenxa yokuba yandisa ixesha elivulekileyo lokugubungela, ukunika umfaki-sicelo ixesha elingakumbi lokufaka isicelo.
4. Ukuphucula iimpawu ze-rheological
I-HEC inokuphucula iimpawu ze-rheological zokugquma ukuze zibonise i-viscosities ezahlukeneyo phantsi kweemeko ezahlukeneyo zokucheba. Ngaphantsi kweemeko ezisezantsi zokucheba, i-HEC ibonelela nge-viscosity ephezulu ukugcina uzinzo lokugubungela, ngelixa phantsi kweemeko eziphezulu zokucheba, i-viscosity iyancipha ukuququzelela ukugquma. Le propati yokucheba yenza ipeyinti ibe nolwelo ngakumbi ngexesha lokutshiza kunye ne-rolling, ikwenza kube lula ukufezekisa nokubamba.
5. Umsasazi
I-HEC iphinda isebenze njenge-dispersant yokunceda ukusabalalisa ii-pigments kunye nezigcwalisi kwiingubo. Ngokunyusa ukusabalalisa kwee-pigments kunye nezizaliso kwiingubo, i-HEC inokuphucula ukuhambelana kombala kunye nokufihla amandla okugqoka. Oku kubalulekile ekuveliseni iimveliso zepeyinti ezikumgangatho ophezulu, ngakumbi kwizicelo zepeyinti ezifuna umbala ofanayo kunye neglosi ephezulu.
6. Iimpawu zokukhusela indalo
Njengoko imimiselo yokusingqongileyo iya iqina ngakumbi, imfuno yokugquma kwamanzi iyaqhubeka nokukhula. Njengepolymer yendalo, izinto eziluhlaza ze-HEC zihlaziywa kwaye zihambelana nokusingqongileyo, kwaye inokunciphisa ukukhutshwa kwe-volatile organic compounds (VOC) xa isetyenziswe kwiingubo, ihambelana neemfuno zokukhusela indalo yoshishino lwanamhlanje.
7. Imizekelo yokusetyenziswa
Kwizicelo ezisebenzayo,I-HECisetyenziswa ngokubanzi kwiingubo zokwakha, iingubo zamashishini, iingubo zokhuni, iingubo zemoto kunye nezinye iindawo. Ngokomzekelo, kwiingubo zokwakha, i-HEC inokuphucula ukuxhatshazwa kwebala kunye nokuchasana kwemozulu yengubo; kwiingubo zokhuni, i-HEC inokuphucula i-gloss kunye nokugqoka ukuchasana kwefilimu yokugqoka.
Ukusetyenziswa kwe-HEC kumashishini okugcoba kubonisa ngokupheleleyo iimpawu zayo ezibalaseleyo zomzimba kunye neekhemikhali. Njenge-thickener, ifilimu yangaphambili kunye ne-dispersant, i-HEC inokuphucula kakhulu ukusebenza kunye nomgangatho weengubo. Njengoko ishishini lezogquma liqhubeka nokulandela ukukhuselwa kwendalo kunye nokusebenza okuphezulu, imfuno yentengiso ye-HEC kulindeleke ukuba iqhubeke nokukhula. Ngophando olunzulu kunye nokuqaliswa kwesicelo kwi-HEC, abavelisi beengubo banokuphuhlisa iimveliso ezikhuphisanayo kunye nezilungele ukuthengisa.
Ixesha lokuposa: Nov-07-2024