Ungayisebenzisa kanjani i-hydroxyethyl cellulose ku-latex paint
1. I-Hydroxyyethyl celtulose isetshenziselwa ukwenza iphalishi: ngoba i-hydroxyethyl cellulose akulula ukuyichaza kuma-solvents ezi-organic, amanye ama-solvents aphilayo angasetshenziswa ukulungiselela iphalishi. Amanzi eqhwa nawo asolvent ampofu, ngakho-ke amanzi eqhwa avame ukusetshenziswa ndawonye ngoketshezi lwe-organic ukulungiselela iphalishi. I-Porlidge-like hydroxyethyl celtulese ingangezwa ngqo ku-latex Paint. I-Hydroxyyethyl celtulose ifakwe ngokuphelele ephalisheni. Uma kungezwe kupende, ihlakaze ngokushesha futhi isebenze njengomkhulu. Ngemuva kokungeza, qhubeka uvuse kuze kube yilapho i-hydroxyethyl cellulose ihlakazeka ngokuphelele futhi ichithwe. Ngokuvamile, iphalishi lenziwa ngokuxuba izingxenye eziyisithupha ze-organic solvent noma amanzi eqhwa ngengxenye eyodwa ye-hydroxyethyl cellulose. Ngemuva kwemizuzu engaba ngu-5-30, i-hydroxyethyl cellulose izobe i-hydrolyzed futhi ivuvukale ngokusobala. (Isikhumbuzi sokuthi umswakama wamanzi ajwayelekile uphezulu kakhulu ehlobo, ngakho-ke akufanele kusetshenziswe ukuhlanganisa iphalishi.)
2. Faka i-hydroxyethyl celtulose ngqo lapho ugaya i-pigment: Le ndlela ilula futhi ithatha isikhashana. Indlela enemininingwane imi ngalendlela elandelayo:
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(2) qala ukushukumisa ngokuqhubekayo ngejubane eliphansi futhi kancane futhi ngokulinganayo engeza i-hydroxyethyyl cellulose
(3) Qhubeka nokuvusa kuze kube yilapho zonke izinhlayiya zihlakazeka futhi zifakwe khona
(4) engeza izithasiselo ze-anti-isikhutha ukuze uguqule inani le-PH
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3 Inzuzo yale ndlela ukuthi ivumelana nezimo ngokwengeziwe futhi ingangezwa ngqo kupende ophelile, kepha kufanele igcinwe kahle. . Izinyathelo nendlela zifana nezinyathelo (1) - (4) EMethodi . Qhubeka ngokuvuselela ngokuqhubekayo kuze kuncibilike ngokuphelele kwikhambi le-viscous. Kumele kwaziwe ukuthi i-antifungal ejenti kufanele ingezwe ku-utshwala bamama ngopende ngokushesha okukhulu.
Izindaba ezi-4 zidinga ukunakwa lapho zilungiselela i-hydroxyethyyl cellulose makeome yotshwala
Njengoba i-hydroxyethyl cellulose iyimpuphu ecubunguliwe, kulula ukuyiphatha futhi uyikhanye ngamanzi inqobo nje uma izinto ezilandelayo zinakekelwa.
(1) Ngaphambi nangemva kokungeza i-hydroxyethyl cellulose, kufanele ivuswe ngokuqhubekayo kuze kube yilapho isixazululo sisobala futhi sicacile.
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(3) Izinga lokushisa lamanzi nenani le-PH emanzini linobudlelwano obukhulu nokuchithwa kwe-hydroxyethyl cellulose, ngakho-ke kufanele kukhokhwe.
(4) Ungangezi ezinye izinto ze-alkali ngayinye kwingxube ngaphambi kwe-hydroxyethyl cellulose powder ifakwe emanzini. Ukukhulisa i-PH ngemuva kokumanzisa ukuqedwa kwengculazi.
(5) Ngokunokwenzeka, engeza i-anti-fungal agent kusenesikhathi.
(6) Uma usebenzisa i-high-viscoxyyethyl celtule
Izici ezithinta ukubonakala kwe-latex Paint:
(1) Ngenxa yokuvusa ngokweqile, umswakama ugcwala ngokweqile ngesikhathi sokuhlakazeka.
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(3) Ukuthi inani le-surfactant kanye nenani lamanzi asetshenziswa kwifomula yokupenda kufanelekile.
(4) Lapho uhlanganisa i-Latex, inani lokuqukethwe kwe-oxide njenge-catalyst eyinsalela.
(5) Ukugqwala kokuqina ngama-microorganisms.
(6) Kunqubo yokwenza upende, ngabe ukulandelana kwezinyathelo okunezela okukhulu kufanelekile.
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Isikhathi sePosi: Mar-04-2023