Hydroxyethyl cellulose (HEC) fari ne ko haske rawaya, mara wari, ba mai guba fibrous ko powdery m shirya ta etherification na alkaline cellulose da ethylene oxide (ko chlorohydrin).Nonionic soluble cellulose ethers.Domin HEC yana da kyawawan kaddarorin irin su thickening, suspending, dispersing, emulsifying, bonding, film-forming, kare danshi da kuma samar da m colloid, shi da aka yadu amfani da fata kula, man fetur bincike, coatings, yi, magani da abinci, yadi, yin takarda da polymers.Polymerization da sauran filayen.40 raga sieving rate ≥ 99%;
Abubuwan bayyanar: fari zuwa haske rawaya fibrous ko foda mai ƙarfi, mara guba, mara wari, mai sauƙin narkewa cikin ruwa.Insoluble a general Organic kaushi.
Hydroxyethyl cellulose
A cikin kewayon ƙimar PH na 2-12, canjin danko kaɗan ne, amma danko yana raguwa fiye da wannan kewayon.Yana da kaddarorin thickening, suspending, bonding, emulsifying, dispersing, riƙe danshi da kuma kare colloid.Ana iya shirya mafita na jeri daban-daban na danko.Yana da m a karkashin al'ada zazzabi da matsa lamba, guje wa zafi, zafi da kuma high zafin jiki, kuma yana da kwarai mai kyau gishiri solubility ga dielectrics, da ruwa bayani da aka yarda ya ƙunshi high yawa na salts kuma shi ne barga.
Muhimman kaddarorin: A matsayin surfactant ba ionic, hydroxyethyl cellulose yana da wadannan kaddarorin ban da kauri, suspending, dauri, flotation, film-forming, dispersing, ruwa riƙe da samar da colloid m:
1. HEC yana narkewa a cikin ruwan zafi ko ruwan sanyi, kuma baya tasowa a babban zafin jiki ko tafasa, yana sa shi yana da nau'i mai yawa na solubility da danko, da kuma ba-zazzabi gelation;
2. Ba shi da ionic kuma yana iya zama tare da wasu nau'o'in nau'in polymers masu narkewa da ruwa, surfactants da salts, kuma yana da kyau mai girma colloidal thickener dauke da high-maida hankali electrolyte mafita;
3. Ƙarfin ajiyar ruwa ya ninka sau biyu fiye da na methyl cellulose, kuma yana da mafi kyawun tsari.
4. Idan aka kwatanta da methyl cellulose da aka sani da hydroxypropyl methyl cellulose, da dispersing ikon HEC ne mafi muni, amma m colloid yana da karfi da iko.
Nadawa yankin aikace-aikace
An yi amfani da shi azaman manne, surfactant, colloid m wakili, dispersant, emulsifier da watsawa stabilizer.Yana da aikace-aikace masu yawa a cikin sutura, tawada, fibers, rini, yin takarda, kayan shafawa, magungunan kashe qwari, sarrafa ma'adinai, hakar mai da magani.
1. Gabaɗaya ana amfani da shi azaman wakili mai ɗaukar nauyi, wakili mai karewa, m, stabilizer da ƙari don shirya emulsion, gel, maganin shafawa, ruwan shafa fuska, wakili mai share ido, suppository da kwamfutar hannu, kuma ana amfani dashi azaman gel na hydrophilic, kayan kwarangwal, shirye-shiryen skeleton ci gaba-saki shirye-shirye. , kuma ana iya amfani dashi azaman stabilizer a abinci.
2. Ana amfani da shi azaman wakili na sizing a masana'antar yadi, haɗin gwiwa, thickening, emulsifying, stabilizing da sauran ƙarin taimako a cikin sassan lantarki da masana'antar haske.
3. An yi amfani da shi azaman mai kauri da tacewa don ruwan hakowa na tushen ruwa da ruwa mai ƙarewa, kuma yana da tasirin kauri a fili a cikin ruwan haƙon ruwan gishiri.Hakanan za'a iya amfani dashi azaman wakili na sarrafa asarar ruwa don siminti rijiyar mai.Ana iya haɗa shi tare da polyvalent karfe ions don samar da gels.
4. Ana amfani da wannan samfurin a matsayin mai rarrabawa ga ruwa na tushen ruwa na gel fracturing, polystyrene da polyvinyl chloride a cikin samar da man fetur.Hakanan za'a iya amfani da shi azaman emulsion thickener a masana'antar fenti, zafi m resistor a cikin lantarki masana'antu, ciminti coagulation inhibitor da danshi retaining wakili a yi gini.Glazing da man goge baki don masana'antar yumbu.Hakanan ana amfani dashi sosai a cikin bugu da rini, yadi, yin takarda, magani, tsafta, abinci, sigari, magungunan kashe kwari da abubuwan kashe gobara.
5. Amfani da surfactant, colloid m wakili, emulsion stabilizer for vinyl chloride, vinyl acetate da sauran emulsions, kazalika da latex tackifier, dispersant, watsawa stabilizer, da dai sauransu Yadu amfani a coatings, zaruruwa, dyeing, papermaking, kayan shafawa, magani, magungunan kashe qwari, da dai sauransu. Har ila yau, yana da amfani da yawa a cikin hakar mai da masana'antar injuna.
6. Hydroxyethyl cellulose yana da surface aiki, thickening, suspending, dauri, emulsifying, film-forming, dispersing, ruwa riƙewa da kuma samar da kariya a Pharmaceutical m da ruwa shirye-shirye.
7. Ana amfani dashi azaman mai rarrabawa don amfani da man fetur na tushen ruwa gel fracturing ruwa, polyvinyl chloride da polystyrene.Hakanan za'a iya amfani dashi azaman emulsion thickener a masana'antar fenti, mai hana ciminti coagulation da wakili mai riƙe danshi a masana'antar gini, wakili mai ƙyalli da man goge baki a masana'antar yumbu.Har ila yau, ana amfani da shi sosai wajen bugu da rini, yadi, yin takarda, magani, tsafta, abinci, sigari da magungunan kashe qwari da sauran fannonin masana'antu.
Nadawa aikin samfur
1. HEC yana soluble a cikin ruwan zafi ko sanyi, kuma baya tasowa a babban zafin jiki ko tafasa, don haka yana da nau'i mai yawa na solubility da danko, da kuma ba-zazzabi gelation;
2. Ba-ionic kanta ba zai iya zama tare da nau'in nau'in nau'in polymers mai narkewa da ruwa, surfactants da salts, kuma yana da kyau mai girma colloidal thickener dauke da high-maida hankali dielectric mafita;
3. Ƙarfin ajiyar ruwa yana da sau biyu fiye da na methyl cellulose, kuma yana da mafi kyawun tsarin tafiyar da ruwa;
4. Idan aka kwatanta da methyl cellulose da aka sani da hydroxypropyl methyl cellulose, da dispersing ikon HEC ne mafi muni, amma m colloid yana da karfi da iko.
Yadda ake ninkawa
Shiga kai tsaye a samarwa
1. Ƙara ruwa mai tsabta zuwa babban guga da aka sanye da babban mai haɗawa.
2. Fara motsawa akai-akai a cikin ƙananan gudu kuma a hankali a hankali zazzage hydroxyethyl cellulose a cikin bayani daidai.
3. Ci gaba da motsawa har sai an jike dukkan kwayoyin halitta.
4. Sa'an nan kuma ƙara wakili na antifungal, abubuwan da ake amfani da su na alkaline irin su pigments, dispersing aids, ruwan ammonia.
5. Dama har sai duk hydroxyethyl cellulose ya narkar da gaba daya (dankowar maganin yana ƙaruwa sosai) kafin ƙara wasu abubuwan da aka gyara a cikin dabarar, da kuma niƙa har sai samfurin da aka gama.
Matsayin hydroxyethyl cellulose a cikin sinadarai na kayan shafawa?Abubuwan da ake amfani da su na polymer ruwa mai narkewa da ake amfani da su a kayan kwalliya an raba su zuwa nau'i biyu: na halitta da na roba.
Halitta polymer mahadi na ruwa mai narkewa ruwa sun hada da: sitaci, shuka danko, dabba gelatin, da dai sauransu, amma ingancin ne m, sauƙi shafi sauyin yanayi, geographical yanayi, da iyaka yawan amfanin ƙasa, da kuma sauƙi tabarbare ta kwayoyin da mold.
Rubutun roba mai narkewar ruwa mai narkewa sun haɗa da barasa na polyvinyl, polyvinylpyrrolidone, da sauransu, waɗanda ke da kaddarorin barga, ƙarancin fata da ƙarancin farashi, don haka sun maye gurbin mahaɗan polymer ruwa mai narkewa na halitta kuma sun zama babban tushen albarkatun colloid.
An kuma raba shi zuwa Semi-Synthetic da kuma roba-ruwa mai narkewa polymer mahadi.
Semi-synthetic ruwa mai narkewa polymer mahadi galibi ana amfani da su: methyl cellulose, ethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, da guar danko da abubuwan da suka samo asali.
Ana amfani da mahadi masu narkewar ruwa na roba: polyvinyl barasa, polyvinylpyrrolidone, acrylic acid polymer, da sauransu.
Ana amfani da waɗannan a cikin kayan kwalliya azaman adhesives, thickeners, tsoffin fina-finai, da masu daidaitawa na emulsion.
Lokacin aikawa: Nov-11-2022