I-Hydroxyethyl Cellulose Ether
I-Hydroxyethyl cellulose ether, into esebenzayo engeyiyo i-ionic surface, sisixhobo sokuqhina i-inki esisetyenziswa rhoqo kwi-cellulose ether organic water-based thickener. Sisixhobo esinyibilikayo emanzini esingeyiyo i-ionic kwaye sinamandla amahle okuqina amanzi.
Ineempawu ezininzi ezifana nokuqina, ukudada, ukubopha, ukuxuba, ukwenza ifilimu, ukugxila, ukukhusela amanzi ekuphumeni komphunga, ukufumana nokuqinisekisa ukusebenza kwamasuntswana, kwaye ikwanazo neempawu ezininzi ezikhethekileyo.
Umsasazi
I-dispersant yi-surfactant eneempawu ezimbini ezichaseneyo ze-lipophilicity kunye ne-hydrophilicity kwi-molecule. Ingasasaza ngokulinganayo amasuntswana aqinileyo namanzi e-inorganic kunye ne-organic pigments ezinzima ukunyibilika kulwelo, kwaye kwangaxeshanye ithintele amasuntswana ukuba ahlale kwaye ahlangane, okwenza i-amphiphilic agent efunekayo kwi-suspension ezinzileyo.
Nge-dispersant, inokuphucula ukukhanya, ithintele umbala odadayo, kwaye iphucule amandla okufaka imibala. Qaphela ukuba amandla okufaka imibala akaphezulu kangangoko kwinkqubo yokufaka imibala ngokuzenzekelayo, anciphise i-viscosity, anyuse umthwalo wee-pigments, njl.
D
I-arhente yokumanzisa idlala indima ephambili kwinkqubo yokugquma, enokufikelela kumphezulu we-substrate kuqala ukuze "ivule indlela", kwaye emva koko into eyenza ifilimu ingasasazwa "ngendlela" ehanjwe yi-arhente yokumanzisa. Kwinkqubo esekelwe emanzini, i-arhente yokumanzisa ibaluleke kakhulu, kuba uxinzelelo lomphezulu wamanzi luphezulu kakhulu, lufikelela kwiidynes ezingama-72, oluphezulu kakhulu kunoxinzelelo lomphezulu we-substrate. Ukuhamba kokusasazwa.
Iarhente yokuthintela ukugqwala
I-Defoamer ikwabizwa ngokuba yi-defoamer, i-antifoaming agent, kwaye i-foaming agent ithetha ukuphelisa i-foam. Yinto enoxinzelelo oluphantsi lomphezulu kunye nomsebenzi ophezulu womphezulu, onokucinezela okanye ukuphelisa i-foam kwinkqubo. Ii-foam ezininzi eziyingozi ziya kuveliswa kwinkqubo yemveliso yemizi-mveliso, nto leyo ethintela kakhulu inkqubela phambili yemveliso. Ngeli xesha, kuyimfuneko ukongeza i-defoamer ukuze kususwe ezi foam ziyingozi.
I-titanium dioxide
Ishishini lokupenda lelona lisebenzisa kakhulu i-titanium dioxide, ingakumbi i-rutile titanium dioxide, uninzi lwayo lusetyenziswa lishishini lokupenda. Ipeyinti eyenziwe nge-titanium dioxide inemibala eqaqambileyo, amandla aphezulu okufihla, amandla aqinileyo okufaka umbala, idosi ephantsi, kunye neentlobo ngeentlobo. Ingakhusela uzinzo lwesixhobo, kwaye inokuphucula amandla oomatshini kunye nokunamathela kwefilimu yokupenda ukuthintela ukuqhekeka. Ithintela imisebe ye-UV kunye nokufuma ekungeneni, yandise ubomi befilimu yokupenda.
I-Kaolin
I-Kaolin luhlobo lwe-filler. Xa isetyenziswa kwiingubo, imisebenzi yayo ephambili yile: ukuzalisa, ukwandisa ubukhulu befilimu yepeyinti, ukwenza ifilimu yepeyinti ibe nkulu kwaye iqine; ukuphucula ukumelana nokuguguleka kunye nokuqina; ukulungisa iipropati zokukhanya zengubo, ukutshintsha imbonakalo yefilimu yokugquma; njengesigqubuthelo kwingubo, inokunciphisa ubungakanani be-resin esetyenzisiweyo kwaye inciphise iindleko zemveliso; idlala indima ekhokelayo kwiipropati zeekhemikhali zefilimu yokugquma, njengokuphucula i-anti-rust kunye ne-flame retardancy.
i-calcium enzima
Xa kusetyenziswa i-calcium eninzi kwipeyinti yokwakha yangaphakathi, ingasetyenziswa yodwa okanye idityaniswe ne-talcum powder. Xa ithelekiswa ne-talc, i-calcium eninzi inokunciphisa izinga lokutshixa, iphucule ukugcinwa kombala weepeyinti ezinombala okhanyayo kwaye yonyuse ukumelana nokungunda.
Iloshini
Indima ye-emulsion kukugubungela umbala kunye ne-filler emva kokwenziwa kwefilimu (umgubo onobuchule bokufaka imibala obuqinileyo yi-pigment, kwaye umgubo ongenabo ubuchule bokufaka imibala yi-filler) ukuthintela ukususwa komgubo. Ngokubanzi, i-styrene-acrylic kunye ne-acrylic emulsions ezicocekileyo zisetyenziselwa iindonga zangaphandle. I-Styrene-acrylic ixabisa kancinci, iya kuba tyheli, i-acrylic ecocekileyo inokumelana kakuhle nemozulu kunye nokugcinwa kombala, kwaye ixabiso liphezulu kancinci. Ngokubanzi, i-styrene-acrylic emulsion isetyenziselwa ipeyinti yodonga lwangaphandle oluphantsi, kwaye i-acrylic emulsion ecocekileyo isetyenziselwa ipeyinti yodonga lwangaphandle oluphakathi noluphezulu.
Ixesha leposi: Epreli-25-2024