Tšebeliso ea hydroxyethyl cellulose ka pente ea latex ke e latelang: 1. Eketsa ka ho toba ha u sila pigment: mokhoa ona o bonolo, 'me nako e sebelisoang e khutšoanyane. Mehato e qaqileng ke e latelang: (1) eketsa metsi a hloekisitsoeng a nepahetseng (hangata, ethylene glycol, moemeli oa ho kolobisa le moemeli oa ho etsa filimi li eketsoa ka nako ena) (2) qala ho sisinyeha ka lebelo le tlaase ka ho tsoelang pele 'me butle-butle eketsa hydroxyethyl cellulose (3) tsoela pele ho sisinyeha ho fihlela likaroloana tsohle li le metsi (4) eketsa hlobo inhibitor; PH regulator, joalo-joalo (5) hlohlelletsa ho fihlela cellulose eohle ea hydroxyethyl e qhibiliha ka ho feletseng (tharollo ea viscosity e eketseha) pele o eketsa likarolo tse ling tsa foromo, ho sila ho fihlela pente.
2.E hlomelloa ka joala ea 'mè e emetse ho sebelisoa: mokhoa ona o qala ho hlomelloa ka bongata bo phahameng ba joala ba' mè, ebe o kenngoa ho pente ea latex, mokhoa ona o na le molemo oa ho feto-fetoha ha maemo, o ka kenngoa ka ho toba lihlahisoa tsa pente, empa o lokela ho bolokoa hantle. Mehato le mekhoa e tšoana le mehato (1) - (4) ka mokhoa oa 1, ntle le hore moferefere o phahameng oa ho kuta ha o hlokehe, 'me ke feela moferefere o nang le matla a lekaneng a ho boloka likhoele tsa hydroxyethyl ka mokhoa o ts'oanang li qhalakantsoeng ka tharollo e hlokahalang. Tsoela pele ho hlohlelletsa ho fihlela e qhibiliha ka ho feletseng ka tharollo ea viscous. E tlameha ho elelloa hore: inhibitor ea hlobo e tlameha ho eketsoa ho joala ba 'mè kapele kamoo ho ka khonehang. 3. Congee e nang le phenology: kaha li-solvents tsa hydroxyethyl cellulose ke motsoako o mobe, kahoo li-solvents tsena tsa tlhaho li ka sebelisoa ho lokisa congee. Li-solvents tse sebelisoang ka tloaelo tse kang ethylene glycol, propylene glycol, le li-film-forming agents (tse kang hexanediol kapa diethylene glycol butyl acetate) , metsi a leqhoa le oona ke mokelikeli o futsanehileng, kahoo hangata o sebelisoa le lino tse tahang ho lokisetsa motoho. Selulose e kang hydroxyethyl cellulose e ka eketsoa ka ho toba penteng. Hydroxyethyl cellulose e kentsoe ka botlalo ka har'a motoho. Ha lacquer e kenngoa, e qhibiliha hang-hang 'me e teteaneng. Ka mor'a ho eketsa, e tlameha ho tsosoa ka ho tsoelang pele ho fihlela hydroxyethyl cellulose e qhibiliha ka ho feletseng 'me e tšoana. Ka kakaretso motoho o na le likarolo tse tšeletseng tsa motsoako oa organic kapa metsi a leqhoa le karolo ea motsoako oa hydroxyethyl cellulose, hoo e ka bang metsotso e 5-30 hamorao, hydroxyethyl cellulose e tla hlahisoa ka hydrolyzed le ho ruruha. Lehlabula ha mongobo o akaretsang oa metsi o phahame haholo, ha o loketse ho hlomelloa ka motoho.
3.Nne. Ela hloko ha u lokisetsa joala ba 'mè ba hydroxyethyl cellulose kaha hydroxyethyl cellulose ke karoloana e phofshoana e phekotsoeng, ho bonolo ho sebetsa le ho qhibiliha ka metsing ka ho ela hloko tse latelang. 1 pele le ka mor'a ho eketsa hydroxyethyl cellulose, motsoako o tlameha ho tsosoa ka ho tsoelang pele ho fihlela tharollo e hlakile ka ho feletseng le e hlakileng. 2 e tlameha ho sefshoa ka har'a moqomo o kopanyang, u se ke ua ba le palo e kholo ea likhohlopo kapa libolo tsa hydroxyethyl cellulose li kentsoe ka kotloloho moropa o kopanyang. 3 the solubility ea hydroxyethyl cellulose e amana le mocheso oa metsi le pH boleng ba metsi, e lokelang ho lefshoa ka ho khetheha. 4 u se ke ua kenya lintho tse ling tsa motheo motsoakong pele phofo ea hydroxyethyl cellulose e tlala metsi. Ho eketsa pH ka mor'a ho inela ho thusa ho qhibiliha. 5 ka hohle kamoo ho ka khonehang, pele ho eketsa moemeli oa anti-midew. 6 ha u sebelisa li-viscosity tse phahameng tsa hydroxyethyl cellulose, 'mè oa joala mahloriso a ke ke a phahama ho feta 2.5-3% (gravimeter) , ho seng joalo joala ba' mè bo thata ho sebetsa. Lintlha tse amang viscosity ea pente ea latex:
1 Ha likahare tsa li-bubble tsa moea tse penteng li ntse li eketseha, li na le viscosity e phahameng. 2 palo ea activator ea holim'a metsi le metsi a sebelisitsoeng ka foromo ea pente e loketse. 3 ka har'a motsoako oa latex, palo ea li-catalysts tse setseng le li-oxide tse ling. 4 palo ea li-thickeners tse ling tsa tlhaho ka foromo ea pente le karolo e nang le hydroxyethyl cellulose. 5 ts'ebetsong ea pente, ho kenyelletsa tatellano ea mehato e teteaneng ho loketse. 6 ka lebaka la ho ferekanngoa ka tsela e feteletseng e le hore ha hasane mongobo overheating. 7 ho bola ha likokoana-hloko tsa Thickener.
Nako ea poso: Oct-24-2023