Hydroxyethyl cellulose (HEC) ke bosehla bo bosoeu kapa bo bobebe, bo se nang monko, bo se nang chefo kapa bo tiileng, bo lokisoang ke karabelo ea etherification ea alkaline cellulose le ethylene oxide (kapa chlorohydrin). Nonionic soluble cellulose ethers. Kaha HEC e na le thepa e ntle ea ho teteka, ho emisa, ho qhalakanya, emulsifying, ho kopanya, ho etsa filimi, ho sireletsa mongobo le ho fana ka colloid e sireletsang, e 'nile ea sebelisoa haholo ho hlahloba oli, ho roala, ho haha, meriana, lijo, masela, ho etsa pampiri le polymerization ea polymerization. le masimo a mang. 40 letlooeng sieving sekhahla ≥ 99%;
Ponahalo: e bosoeu ho isa ho bosehla bo bobebe bo fibrous kapa phofo e tiileng, e senang chefo, e sa latsoeheng, e qhibilihang metsing. Ha e qhibilihe ka har'a metsoako e tloaelehileng ea tlhaho.
The viscosity e fetoha hanyenyane ho palo ea PH ea 2-12, empa viscosity e fokotseha ho feta mefuta ena. E na le thepa ea ho tiisa, ho emisa, ho tlama, emulsifying, ho qhalakanya, ho boloka mongobo le ho sireletsa colloid. Litharollo ka mekhahlelo e fapaneng ea viscosity li ka lokisoa. E sa tsitsang tlas'a mocheso o tloaelehileng le khatello, qoba mongobo, mocheso le mocheso o phahameng, 'me e na le ho qhibiliha ha letsoai ka mokhoa o ikhethang bakeng sa dielectrics,' me tharollo ea eona ea metsi e lumella letsoai le phahameng hore le lule le tsitsitse.
Lintho tsa bohlokoa:
Joaloka sehlahisoa se se nang ionic, hydroxyethyl cellulose e na le lintho tse latelang ho phaella ho ho teteaneng, ho emisa, ho tlama, ho phaphamala, ho etsa filimi, ho qhalakanngoa, ho boloka metsi le ho fana ka colloid e sireletsang:
1. HEC e qhibiliha ka metsing a chesang kapa a batang, 'me ha e na mocheso o phahameng kapa o belang, e le hore e be le mefuta e mengata ea ho qhibiliha le litšoaneleho tsa viscosity, le gelation e se nang mocheso;
2. Ha e na ionic 'me e ka phela hammoho le mefuta e mengata e mengata ea li-polymers tse qhibilihang ka metsing, li-surfactants, le letsoai. Ke colloidal thickener e babatsehang bakeng sa tharollo ea electrolyte e phahameng haholo;
3. Matla a ho boloka metsi a phahame ka makhetlo a mabeli ho feta a methyl cellulose, 'me a na le taolo e ntle ea ho phalla.
4. Ha ho bapisoa le methyl cellulose e tsejoang le hydroxypropyl methyl cellulose, bokhoni ba ho qhalakanngoa ba HEC ke bo bobe ka ho fetisisa, empa matla a tšireletso a colloid a matla ka ho fetisisa.
Sebaka sa kopo
E sebelisoa e le sekhomaretsi, surfactant, colloidal protective agent, dispersant, emulsifier le dispersion stabilizer, joalo-joalo E na le mefuta e mengata ea litšebeliso libakeng tsa ho roala, li-inki, likhoele, ho daea, ho etsa pampiri, litlolo, chefo e bolaeang likokoanyana, ts'ebetso ea liminerale, ho ntšoa ha oli le moriana.
1. Ka kakaretso e sebelisoa e le setlolo se teteaneng, se sireletsang, sekhomaretsi, se tsitsitseng, le se eketsang bakeng sa ho lokisetsa li-emulsions, jellies, mafura, litlolo, lihloeki tsa mahlo, li-suppositories le matlapa. E boetse e sebelisoa e le gel ea hydrophilic le skeleton Materials, ho lokisetsa litokisetso tsa tokollo e tsitsitseng ea mofuta oa matrix, hape e ka sebelisoa e le stabilizer lijong.
2. E sebelisoa e le setsi sa boholo indastering ea masela, hape e le moemeli ea thusang bakeng sa bonding, thickening, emulsifying, and stabilizing in the electronics and light industry sectors.
3. E sebelisoa e le sethibelo se teteaneng le sa tahlehelo ea mokelikeli bakeng sa mokelikeli oa ho cheka o thehiloeng metsing le mokelikeli o phethoang, 'me phello e teteaneng e totobetse mokelikeli oa ho phunya oa brine. E ka boela ea sebelisoa e le mokelikeli tahlehelo e fokotsang bakeng sa oli seliba samente. E ka kopanngoa le li-ion tsa tšepe tse nang le polyvalent ho etsa gel.
4. Sehlahisoa sena se sebelisoa e le dispersant bakeng sa polymerization ea petroleum metsi-based gel fracturing fluid, polystyrene le polyvinyl chloride, joalo-joalo ka fracturing. E ka boela ea sebelisoa e le emulsion thickener indastering ea pente, hygrostat indastering ea elektronike, anticoagulant ea samente le moemeli oa ho boloka mongobo indastering ea kaho. Ho belisoa ha indasteri ea ceramic le setlama sa sesepa sa meno. E boetse e sebelisoa haholo ho hatisa le ho daea, masela, ho etsa pampiri, meriana, bohloeki, lijo, lisakerete, chefo e bolaeang likokoanyana le lintho tse timang mollo.
5. E le surfactant, colloidal sireletsa agent, emulsification stabilizer bakeng sa vinyl chloride, vinyl acetate le emulsions tse ling, hammoho le latex tackifier, dispersant, dispersion stabilizer, joalo-joalo E sebelisoa haholo ka liphahlo, likhoele, ho daea, ho etsa pampiri, litlolo, meriana e bolaeang likokoanyana, , joalo-joalo E boetse e na le lisebelisoa tse ngata indastering ea ho hlahloba oli le mechine.
6. Hydroxyethyl cellulose e na le holim'a metsi a sebetsang, a teteaneng, a emisang, a tlamang, a emulsifying, a etsa filimi, a qhalakana, a boloka metsi le a sireletsang mesebetsing ea meriana e tiileng le ea mokelikeli.
7. E sebelisoa e le dispersant polymeric bakeng sa ho sebelisa petroleum metsi-based gel fracturing fluid, polyvinyl chloride le polystyrene. E ka boela ea sebelisoa e le emulsion thickener indastering ea pente, anticoagulant ea samente le moemeli oa ho boloka mongobo lefapheng la kaho, moemeli oa glazing le sekhomaretsi sa meno ka indasteri ea ceramic. E boetse e sebelisoa haholo mafapheng a indasteri a kang khatiso le ho daea, masela, ho etsa pampiri, meriana, bohloeki, lijo, lisakerete le chefo e bolaeang likokoanyana.
Ts'ebetso ea Sehlahisoa
1. HEC e qhibiliha ka metsing a chesang kapa a batang, 'me ha e na mocheso o phahameng kapa o belang, e le hore e be le mefuta e mengata ea ho qhibiliha le litšoaneleho tsa viscosity, le gelation e se nang mocheso;
2. Ha e na ionic 'me e ka phela hammoho le li-polymers tse ling tse qhibilihang ka metsing, li-surfactants le letsoai ka bongata. Ke colloidal thickener e babatsehang bakeng sa litharollo tse nang le dielectric tse phahameng haholo;
3. Matla a ho boloka metsi a phahame ka makhetlo a mabeli ho feta a methyl cellulose, 'me a na le taolo e ntle ea phallo;
4. Ha ho bapisoa le methyl cellulose e tsejoang le hydroxypropyl methyl cellulose, bokhoni ba ho qhalakanngoa ba HEC ke bo bobe ka ho fetisisa, empa matla a tšireletso a colloid a matla ka ho fetisisa.
Mokhoa oa ho sebelisaHEC?
e kenyellelitsoe ka kotloloho nakong ea tlhahiso
1. Kenya metsi a hloekileng ka nkhong e kholo e nang le motsoako o phahameng oa ho kuta.
2. Qala ho sisinyeha ka ho tsoelang pele ka lebelo le tlaase 'me butle-butle u sefa hydroxyethyl cellulose ka tharollo e lekanang.
3. Tsoela pele ho sisinya ho fihlela likaroloana tsohle li kolobile.
4. Ebe u eketsa moemeli oa antifungal, li-additives tsa alkaline tse kang li-pigments, lithuso tse qhalakang, metsi a ammonia.
5. Hlohlelletsa ho fihlela cellulose eohle ea hydroxyethyl e qhibiliha ka ho feletseng (viscosity ea tharollo e eketseha haholo) pele u eketsa likarolo tse ling ka foromo, 'me u sila ho fihlela sehlahisoa se felile.
Nako ea poso: Dec-29-2022