Ngokuthuthukiswa kanye nokusetshenziswa kopende we-latex osuselwa emanzini, ukukhethwa kwe-latex Paint Shidener kuhlukaniswe. Ukulungiswa kwe-Rheology kanye nokulawulwa kwe-viscosity kwama-latex pients kusuka kumanani aphezulu, aphakathi nendawo aphansi. Ukukhetha kokukhululwa kwabakhudlwana kwamapende we-latex kanye nopende we-latex ezinhlelweni ezahlukene ze-emulsion (acryrene, styrere-acrylic, ntrerene-acrylic, jp.).
Iqhaza eliphambili labakhulu ku-Latex Paipers, lapho i-Rheology ingenye yezinto ezibalulekile ezakha ukubukeka nokusebenza kwamafilimu wokupenda. Futhi cabanga ngomphumela wokuvunywa kwemvula ye-pigment, ukuminyanisa, ukulinganisa, ukugcwala kwefilimu yokupenda, kanye ne-sag yefilimu engaphezulu. Lezi zingqinamba zekhwalithi abakhiqizi abavame ukubhekisisa.
Ukwakheka kwe-coating kuthinta i-rheology yopende we-latex, futhi i-viscosity ingashintshwa ngokushintsha ukufinyeleleka kwe-emulsion kanye nokuqoqwa kwezinye izinto eziqinile ezihlakazekile kupende we-latex. Kodwa-ke, uhla lokulungiswa lunqunyelwe futhi izindleko ziphezulu. I-viscosity ye-latex Paint ilungiswa ikakhulukazi ngabakhulu. Abakhulu abasetshenziswa kaningi yilezi: I-CelLose Ether Greaters, i-Alkali-turel e-polyyacrylic acion emulsion, i-ony-ioncylethyl inhlangano ye-polyurethane, njll. Inani lesivuno likhulu. I-hydrophobic main chain ye-cellulose sikhulu ihlotshaniswa nama-molecule wamanzi azungezile nge-hydrogen bonding, ekhulisa umthamo we-fluid we-polymer uqobo. Isikhala sokuhamba kwamahhala kwezinhlayiya siyancishiswa. I-viscosity yohlelo inyuswa, futhi kwakhiwa isakhiwo senethiwekhi exhumeke phakathi kwe-pigment kanye nezinhlayiya ze-emulsion. Ukuhlukanisa imibala komunye nomunye, izinhlayiya ze-emulsion ziyaqabukela ama-adsorb.
Isikhathi sePosi: Nov-02-2022