Hydroxyethyl cellulose (HEC) o se pa'epa'e po'o se lanu samasama, e leai se manogi, e le oona po'o se pa'u pa'u malo e saunia e ala i le fa'asa'oina o le cellulose alkaline ma le ethylene oxide (po'o le chlorohydrin).Ethers cellulose soluble e le ninionic.Talu ai ona o le HEC o loʻo i ai mea lelei e pei o le mafiafia, faʻamalolo, faʻasalalau, emulsifying, faʻapipiʻi, ata tifaga, puipuia o le susu ma le tuʻuina atu o colloids puipuia, ua faʻaaogaina lautele i le tausiga o le paʻu, suʻesuʻega suauʻu, paʻu, fausiaina, vailaʻau ma meaʻai, textiles, faipepa ma polymers.Polymerization ma isi fanua.40 mesh sieving fua faatatau ≥ 99%;
Fa'aaliga foliga: pa'epa'e i le samasama mumu fibrous po'o le pauta malo, e le o'ona, leai se manogi, faigofie ona solu ile vai.E le mafai ona fa'afefe i so'o so'o masani.
Hydroxyethyl cellulose
I le tele o le tau o le PH o le 2-12, o le suiga o le viscosity e laʻititi, ae o le viscosity e faʻaitiitia i tua atu o lenei laina.O loʻo i ai mea totino o le mafiafia, faʻapipiʻi, faʻapipiʻi, emulsifying, faʻasalalau, taofi le susu ma puipuia colloid.E mafai ona saunia ni vaifofo o laina viscosity eseese.E le mautu i lalo o le vevela masani ma le mamafa, aloese mai le susu, vevela ma le maualuga o le vevela, ma e sili ona lelei le solubility masima mo dielectrics, ma o lona vai vai e faʻatagaina e aofia ai le maualuga o masima ma e mautu.
O mea taua: I le avea ai ma se mea e le-ionic surfactant, o le hydroxyethyl cellulose o loʻo i ai mea nei e faʻaopoopo i le mafiafia, faʻafefeteina, fusifusia, faʻafefeteina, faʻapipiʻi ata, faʻasalalau, taofi vai ma tuʻuina atu colloids puipuia:
1. HEC e soluble i le vai vevela po o le malulu, ma e le faʻafefe i le maualuga o le vevela poʻo le faʻafefe, e maua ai le tele o le solubility ma le viscosity uiga, ma le gelation le vevela;
2. E le-ionic ma e mafai ona ola faʻatasi ma le tele o isi vai-soluble polymers, surfactants ma salts, ma o se colloidal mafiafia sili ona lelei o loʻo i ai vaifofo eletise eletise maualuga;
3. O le faʻamauina o le vai e faaluaina le maualuga nai lo le methyl cellulose, ma e sili atu le faʻatonutonuina o le tafe.
4. Faʻatusatusa i le methyl cellulose ma le hydroxypropyl methyl cellulose ua lauiloa, o le faʻasalalauina o le HEC e sili ona leaga, ae o le colloid puipuia e sili ona malosi.
Gaugau vaega o talosaga
Fa'aaogaina e pei o le fa'apipi'i, surfactant, colloid le puipuiga, dispersant, emulsifier ma le fa'amautu fa'asalalau.O loʻo i ai le tele o faʻaoga i le faʻapipiʻiina, inks, fiber, vali, faʻailoga pepa, mea teuteu, vailaau faʻasaina, gaosiga o minerale, suauʻu suauʻu ma vailaʻau.
1. E masani ona faʻaaogaina e pei o le mafiafia o le vailaʻau, mea e puipuia ai, faʻapipiʻi, faʻamautu ma faʻaopoopoga mo le sauniaina o le emulsion, gel, suauʻu, lotion, sui faʻamama mata, suppository ma papa, faʻaaogaina foi e pei o le gel hydrophilic, mea auivi, sauniuniga o le skeleton lagolagoina-faʻamalolo sauniuniga. , ma e mafai foi ona faʻaaogaina e fai ma faʻamautu i meaʻai.
2. E faʻaaogaina e fai ma sui sizing i fale gaosi oloa, faʻapipiʻi, mafiafia, emulsifying, faʻamautu ma isi ausilali i le eletise ma le malamalama i vaega o alamanuia.
3. Fa'aaogaina e fai ma fa'amalo ma fa'aitiitiga fa'amama mo le sua vai e viliina ma fa'amae'aina le sua, ma e manino lona aafiaga mafiafia i le sua sua suasami.E mafai fo'i ona fa'aaogaina e fai ma sui e pulea le gau o le suau'u sima.E mafai ona feso'ota'i fa'atasi ma ion u'amea polyvalent e fai ai gel.
4. O lenei oloa o loʻo faʻaaogaina e avea o se faʻasalalau mo vai faʻavae gel gau gau, polystyrene ma polyvinyl chloride i le gaosiga o le suauʻu gau.E mafai foi ona faʻaaogaina e pei o le emulsion thickener i fale vali, faʻafefe maʻaleʻale maʻaleʻale i le alamanuia faaeletonika, sima coagulation inhibitor ma le susu faatumauina sui i fale faufale.La'ei fa'ama'ila ma mea fa'apipi'i fulunifo mo le alamanuia sima.E faʻaaogaina lautele foi i le lolomiina ma le vali, ie, pepa, vailaʻau, tumama, meaʻai, sikaleti, vailaʻau faʻamaʻi ma mea e tape ai afi.
5. Faʻaaogaina e pei o le surfactant, colloid protective agent, emulsion stabilizer mo vinyl chloride, vinyl acetate ma isi emulsions, faʻapea foʻi ma le latex tackifier, dispersant, dispersion stabilizer, ma isi. Faʻaaoga lautele i coatings, fibers, dyeing, papermaking, cosmetics, vailaʻau, vaila'au fa'ato'aga, ma isi. E tele fo'i fa'aoga i le suau'u suau'u ma alamanuia masini.
6. Hydroxyethyl cellulose o loʻo i ai le gaioiga i luga o le fogaeleele, mafiafia, faʻagata, fusifusia, emulsifying, faʻapipiʻi ata, faʻasalalau, faʻamauina o le vai ma tuʻuina atu le puipuiga i vailaʻau faʻamalosi ma vai.
7. E faʻaaogaina e avea o se faʻasalalau mo le faʻaogaina o le suauʻu vai faʻavae gel fracturing vai, polyvinyl chloride ma polystyrene.E mafai foi ona faʻaaogaina e pei o le emulsion thickener i fale vali, sima coagulation inhibitor ma le susu faatumauina sui i fale gaosi oloa, glazing sui ma toothpaste pipii i alamanuia sima.E faʻaaogaina lautele foi i le lolomiina ma le valiina, ie, pepa, vailaʻau, tumama, meaʻai, sikaleti ma vailaau faʻasaina ma isi fanua tau pisinisi.
Gaugau faatinoga o oloa
1. HEC e soluble i le vai vevela po o le vai malulu, ma e le faʻafefe i le maualuga o le vevela poʻo le faʻafefe, ina ia i ai le tele o le solubility ma le viscosity uiga, ma le gelation le vevela;
2. O le non-ionic lava ia e mafai ona ola faʻatasi ma le tele o isi polymers solu vai-soluble, surfactants ma masima, ma o se colloidal mafiafia sili ona lelei o loʻo i ai ni fofo dielectric maualuga;
3. O le malosi o le taofiofia o le vai e faaluaina le maualuga nai lo le methyl cellulose, ma e sili atu le faʻatonutonuina o le tafe;
4. Faʻatusatusa i le methyl cellulose ma le hydroxypropyl methyl cellulose ua lauiloa, o le faʻasalalauina o le HEC e sili ona leaga, ae o le colloid puipuia e sili ona malosi.
E faapefea ona gaugau
Auai tuusao i le gaosiga
1. Fa'aopopo vai mama i se pakete tele ua fa'apipi'iina i se mea fa'afefiloi maualuga.
2. Amata fa'aoso fa'aauau i le saosaoa maualalo ma fa'agasolo malie le hydroxyethyl cellulose i totonu o le vaifofo.
3. Fa'aauau pea ona fa'aoso se'ia o'o ina fa'asusu uma vaega.
4. Ona faaopoopo lea o le antifungal agent, alkaline additives e pei o pigments, dispersing aids, ammonia water.
5. Fa'aoso seia mae'a uma le hydroxyethyl cellulose (o le viscosity o le vaifofo e fa'atupula'ia tele) a'o le'i fa'aopoopoina isi vaega i le fua, ma olo seia mae'a.
Le matafaioi o le hydroxyethyl cellulose i le vailaʻau vailaʻau o mea teuteu?Ole vai-soluble polymer compounds faʻaaogaina i mea teuteu e masani ona vaevaeina i ni vaega se lua: natura ma faʻapipiʻi.
O mea faʻapipiʻi polymer faʻalenatura vai e aofia ai: masoa, pulu laau, gelatin manu, ma isi, ae o le lelei e le mautu, faigofie ona aʻafia i le tau, siosiomaga faʻafanua, faʻatapulaʻa fua, ma faigofie ona faʻaleagaina e siama ma faʻafefe.
O mea faʻapipiʻi polymer e mafai ona faʻaaogaina vai e aofia ai le polyvinyl alcohol, polyvinylpyrrolidone, ma isi, o loʻo i ai mea mautu, paʻu paʻu maualalo ma tau maualalo, o lea ua latou suia ai le vai-soluble polymer compounds ma avea ma punavai autu o mea mataʻutia colloid.
Ua toe vaevaeina i semi-synthetic ma synthetic vai-soluble polymer compounds.
Semi-synthetic vai-soluble polymer compounds e masani ona faʻaaogaina: methyl cellulose, ethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, ma guar gum ma ona mea e maua mai ai.
E masani ona faʻaogaina faʻapipiʻi polymer e mafai ona solu vai faʻapipiʻi: polyvinyl alcohol, polyvinylpyrrolidone, polymer acid acrylic, ma isi.
O nei mea e fa'aaogaina i mea teuteu e pei o ni mea fa'apipi'i, mafiafia, fa'amu ata, ma fa'amautu emulsion.
Taimi meli: Nov-11-2022