Hydroxyethyl cellulose (HEC) fari ne ko haske rawaya, wari, mara guba fibrous ko powdery m, wanda aka shirya ta etherification dauki na alkaline cellulose da ethylene oxide (ko chlorohydrin).Nonionic soluble cellulose ethers.Tun da HEC yana da kyawawan kaddarorin thickening, suspending, dispersing, emulsifying, bonding, film-forming, kare danshi da kuma samar da colloid m, an yi amfani da ko'ina a cikin man fetur bincike, coatings, yi, magani, abinci, yadi, papermaking da polymer Polymerization. da sauran fagage.40 raga sieving rate ≥ 99%;
Bayyanar: fari zuwa haske rawaya fibrous ko powdery m, mara guba, m, mai narkewa a cikin ruwa.Insoluble a kowa Organic kaushi.
Hydroxyethyl cellulosemai kauri
Danko yana canzawa kadan a cikin kewayon ƙimar PH 2-12, amma danko yana raguwa fiye da wannan kewayon.Yana da Properties na thickening, suspending, dauri, emulsifying, dispersing, rike danshi da kuma kare colloid.Ana iya shirya mafita a cikin jeri daban-daban na danko.Rashin kwanciyar hankali a ƙarƙashin zafin jiki na al'ada da matsa lamba, guje wa zafi, zafi, da zafin jiki mai girma, kuma suna da ingantaccen solubility na gishiri don dielectrics, kuma maganin sa na ruwa yana ba da damar babban taro na salts su kasance barga.
Muhimman kaddarorin:
A matsayin surfactant ba ionic ba, hydroxyethyl cellulose yana da kaddarorin masu zuwa ban da kauri, dakatarwa, ɗaure, iyo, yin fim, watsawa, riƙe ruwa da samar da colloid mai kariya:
1. HEC yana narkewa a cikin ruwan zafi ko ruwan 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 shi da ionic kuma yana iya zama tare da wasu nau'o'in nau'in polymers masu narkewa da ruwa, surfactants, da salts.Yana da kyau kwarai colloidal thickener ga high-tattara 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 gane methyl cellulose da hydroxypropyl methyl cellulose, da dispersing ikon HEC ne mafi muni, amma m colloid ikon ne mafi karfi.
Filin aikace-aikace
An yi amfani da shi azaman m, surfactant, colloidal m wakili, dispersant, emulsifier da watsawa stabilizer, da dai sauransu Yana da fadi da kewayon aikace-aikace a cikin filayen da coatings, tawada, zaruruwa, rini, papermaking, kayan shafawa, magungunan kashe qwari, ma'adinai aiki, mai hakar da kuma magani.
1. Ana amfani da ita gabaɗaya azaman mai kauri, wakili mai karewa, m, stabilizer, da ƙari don shirye-shiryen emulsion, jellies, man shafawa, lotions, masu tsabtace ido, suppositories, da allunan.Hakanan ana amfani dashi azaman gel na hydrophilic da kwarangwal Materials, shirye-shiryen ci gaba na nau'in matrix, kuma ana iya amfani dashi azaman stabilizer a cikin abinci.
2. An yi amfani da shi azaman wakili mai ƙima a cikin masana'antar yadi, kuma a matsayin wakili na taimako don haɗin gwiwa, thickening, emulsifying, da daidaitawa a cikin sassan masana'antar lantarki da haske.
3. Ana amfani da shi azaman mai kauri da rage asarar ruwa don ruwan hakowa na tushen ruwa da ruwa mai ƙarewa, kuma tasirin kauri a bayyane yake a cikin ruwan haƙon brine.Hakanan za'a iya amfani dashi azaman rage asarar ruwa don siminti rijiyar mai.Ana iya haɗe shi tare da ions ƙarfe na polyvalent don samar da gel.
4. Ana amfani da wannan samfurin azaman mai rarrabawa don polymerization na man fetur na tushen ruwa gel fracturing ruwa, polystyrene da polyvinyl chloride, da dai sauransu ta fracturing.Hakanan za'a iya amfani dashi azaman emulsion thickener a cikin masana'antar fenti, hygrostat a cikin masana'antar lantarki, simintin rigakafin coagulant da wakili mai riƙe danshi a cikin masana'antar gini.Ceramic masana'antu glazing da man goge baki daure.Hakanan ana amfani dashi sosai wajen bugu da rini, yadi, yin takarda, magani, tsafta, abinci, sigari, magungunan kashe qwari da abubuwan kashe gobara.
5. Kamar yadda surfactant, colloidal m wakili, emulsification stabilizer for vinyl chloride, vinyl acetate da sauran emulsions, kazalika da latex tackifier, dispersant, watsawa stabilizer, da dai sauransu Yadu amfani a coatings, zaruruwa, rini, papermaking, kayan shafawa, magani, kwari kwari. , da sauransu. Har ila yau, yana da amfani da yawa a fannin hako mai da injina.
6. Hydroxyethyl cellulose yana da surface aiki, thickening, suspending, dauri, emulsifying, film-forming, dispersing, ruwa-retaining da m ayyuka a Pharmaceutical m da ruwa shirye-shirye.
7. Ana amfani dashi azaman mai watsawa na polymeric don yin amfani da man fetur na tushen ruwa gel fracturing ruwa, polyvinyl chloride da polystyrene.Hakanan za'a iya amfani dashi azaman mai kauri na emulsion a masana'antar fenti, siminti anticoagulant da wakili mai riƙe danshi a cikin masana'antar gini, wakili mai kyalli da man goge baki a masana'antar yumbu.Hakanan ana amfani da shi sosai a fannonin masana'antu kamar bugu da rini, yadi, yin takarda, magani, tsafta, abinci, sigari da magungunan kashe kwari.
Ayyukan Samfur
1. HEC yana narkewa a cikin ruwan zafi ko ruwan 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 shi da ionic kuma yana iya zama tare da sauran polymers masu narkewa da ruwa, surfactants da salts a cikin kewayo.Yana da kyakkyawan kauri mai ƙarfi na colloidal don mafita wanda ke ɗauke da dielectric mai girma;
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 gane methyl cellulose da hydroxypropyl methyl cellulose, da dispersing ikon HEC ne mafi muni, amma m colloid ikon ne mafi karfi.
Yadda ake amfaniHEC?
ƙara kai tsaye a lokacin 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 dukkanin kwayoyin halitta sun jike.
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 niƙa har sai samfurin da aka gama.
Lokacin aikawa: Dec-29-2022