IHydroxYethyl Cellulose (I-HEC) i-White noma i-Low Ollow, Ofless, Not-Fibrous Fibrous noma i-Powtery Solid. Yenziwe ngohlobo oluhlaza okotini noma amapulethi acwengekile afakwe ku-30% uketshezi caustic soda. Ngemuva kwesigamu sehora, kuyakhishwa futhi kucindezelwe. Cwilisa kuze kube yilapho isilinganiso samanzi e-Alkaline sifinyelela ku-1: 2.8, bese sichoboza. Ilungiselelwe ukusabela kokusheshisa futhi ingeyakho i-collulose e-mollule ye-mollule I-Hydroxyyethyl celtulose ingumkhulu obalulekile ku-latex Paint. Ake sigxile ekutheni usebenzise kanjani i-Hydroxyethyl cellulose Hec ku-Latex Paint kanye nezindlela zokuphepha.
1. Ifakwe notshwala bamama ukuze basebenzise: okokuqala sebenzisa i-hydroxyethyl cellulose hec ukulungiselela utshwala bomama ngenhlanganisela ephezulu, bese uyifaka kumkhiqizo. Inzuzo yale ndlela ukuthi inokuguquguquka okukhulu futhi kungangezwa ngqo kumkhiqizo oqediwe, kepha kufanele kugcinwe kahle. Izinyathelo zale ndlela ziyefana nezinyathelo eziningi ezise-Method 2; Umehluko ukuthi asikho isidingo se-agaritator ephezulu, futhi ezinye izithambisi ezinamandla anele okugcina i-hydroxyethylllurylliose evumelaniswa ngokufanayo kwikhambi lingaqhubeka ngaphandle kokuvimba kuze kube yilapho kuncibilike ngokuphelele ku-viscous nzima. Kodwa-ke, kufanele kuqashelwe ukuthi i-fungicide kumele ingezwe kuphuzo lotshwala maseningi ngokushesha okukhulu.
2. Faka ngqo ngesikhathi sokukhiqiza: Le ndlela ilula futhi ithatha isikhathi esifushane kunazo zonke. Faka amanzi ahlanzekile kwibhakede elikhulu elihlome nge-shear mixer ephezulu. Qala ukuvusa ngokuqhubekayo ngejubane eliphansi futhi uluhlunge nge-hydroxyethyl cellulose kwisixazululo ngokulinganayo. Qhubeka nokuvusa kuze kube yilapho zonke izinhlayiya zimanzi. Bese ungeza okulondoloziwe kanye nezithasiselo ezahlukahlukene. Njengombala, izinsiza ezihlakazayo, amanzi e-ammonia, njll zivuse kuze kube yilapho yonke i-hydroxyethyethyl cellulose Hec ichinjiswa ngokuphelele (i-viscoxy of the solution inyuka ngokusobala) bese wengeza ezinye izakhi ezisefomula ukuze uphendule.
Kusukela i-hydroxyethyllyl ephethwe yi-hydroxyyethyl cellulose i-powdery noma i-fibrous swolid, lapho ulungiselela i-hydroxyethyyl cellulose makeome wotshwala, unake amaphuzu alandelayo:
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(2) Ngaphambi nangemva kokungeza i-Hydroxyyethylelllyl hec, kufanele ivuswe ngokuqhubekayo kuze kube yilapho isixazululo sisobala futhi sicacile.
(3) ngangokunokwenzeka, engeza i-antifungal ejenti kusengaphambili.
(4) Izinga lokushisa lamanzi nenani lamanzi linobudlelwano obusobala bokuchithwa kwe-hydroxyethyl cellulose, ngakho-ke kufanele kukhokhwe.
(5) Ungangezi ezinye izinto ze-alkaline engxube ngaphambi kwe-hydroxyethyl cellulose powder ifakwe emanzini. Ukuphakamisa i-PH ngemuva kokuthambisa kuzosiza ukuncibilikisa.
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Izici ezibalulekile ezithinta ukubonakala kwe-latex Paint:
(1) Ukugqwala kokuqina ngama-microorganisms.
(2) Ukwenza inqubo yokwenza upende, ukuthi ngabe ukulandelana kwezinyathelo okunezela okukhulu kufanelekile yini.
(3) Ukuthi inani le-activator elingaphezulu komhlaba namanzi asetshenziswe kwifomula yokupenda kufanelekile.
(4) isilinganiso senani labanye abakhulu bemvelo benani le-hydroxyethyl cellulose ekwakhekeni ngopende.
(5) Lapho kwakhiwa i-latex, okuqukethwe ama-catalysts asele namanye ama-oxide.
(6) Izinga lokushisa liphezulu kakhulu ngesikhathi sokuhlakazeka ngenxa yokuvuselela ngokweqile.
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I-viscosity ye-hydroxyethyl cellulose HEC ishintsha kancane kuhlu lwe-PH lwe-2-12, kepha i-visa inciphisa ngaphezu kwalolu banga. Inezakhiwo zokuqina, ukumisa, ukubopha, ukubopha, ukusabalalisa, ukugcina umswakama nokuvikela i-colloid. Izixazululo ezisezingeni elihlukile le-viscosity zingalungiswa. Ungazinzile ngaphansi kokushisa okujwayelekile kanye nengcindezi, gwema umswakama, ukushisa, kanye nokushisa okuphezulu, futhi unamanzi amnandi amnandi kuma-dieelic, bese kuthi isixazululo saso samanzi sivunyelwe ukuqukatha okugxila kosawoti futhi sihlala sizinzile.
Isikhathi Sokuthumela: APR-01-2023