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, ethylene glycol, e kenyang metsi le ntho e etsang filimi e kenngoa nakong ena)(2) qala ho sisinyeha ka lebelo le tlaase ka ho tsoelang pele ebe butle-butle eketsa hydroxyethyl cellulose (3) tsoela pele ho susumetsa 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 tahi 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 kenyelletsoa ka ho toba ho lihlahisoa tsa pente, empa e tlameha ho ba. 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 ts'eletseng tsa motsoako oa organic kapa metsi a leqhoa 'me karolo ea motsoako oa hydroxyethyl cellulose, metsotso e ka bang 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 viscosity e phahameng ea 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 litaba tsa libubble tsa moea li pente 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 nepahetse.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 eketsa tatellano ea mehato ea thickener 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