I-Hydroxyethyl cellulose yezakhiwo zomzimba kanye namakhemikhali
Izakhiwo ezibukekayo Lo mkhiqizo mhlophe ukukhanyisa okuphuzi okuphuzi noma okunobumba okuqinile, okungelona ubuthi futhi akunambitha
I-Melting Point 288-290 ° C (DECE.)
Density 0.75 g / ml ngo-25 ° C (lit.)
I-solibity incaluble emanzini. Insoluble kuma-solvents ajwayelekile aphilayo. Kuyancibilika emanzini abandayo namanzi ashisayo, futhi ngokuvamile awohlisi ezinhlamvwini eziningi ze-organic. I-viscosity ishintsha kancane ebangeni le-PH VAUR 2-12, kepha i-visa inciphisa ngaphezu kwaleli banga. Inemisebenzi yokuqina, ukumisa, ukubopha, ukubopha, ukusabalalisa, nokugcina umswakama. Izixazululo ezisezingeni elihlukile le-viscosity zingalungiswa. Ine-solubility enhle kakhulu ye-solility yama-electrolyte.
Njengomuntu ophelelwe yi-aon-ionic, i-hydroxyyethyl cellulose inezakhiwo ezilandelayo ngaphezu kokuqina, ukumisa, ukuntanta, ukuntanta, ukusatshalaliswa, ukusatshalaliswa kwamanzi kanye nokuvikela ama-colloids:
1. I-HEC incane emanzini ashisayo noma amanzi abandayo, izinga lokushisa eliphakeme noma elibilayo ngaphandle kwezulu, ukuze libe nohlu olubanzi lwe-soubity kanye ne-viscosity, ne-gelation engeyona eyeshisayo;
2 Kungumkhulu we-colloidal omkhulu omuhle kakhulu wezixazululo eziphakeme ze-electrolyte;
I-3. Umthamo wokugcina amanzi uphakeme kabili njenge-methyl cellulose, futhi inomthethonqubo ongcono wokugeleza.
4. Uma uqhathanisa ne-methyl cellulose ye-methyl kanye ne-hydroxypropylm methyl celtule, amandla asabalalisayo ka-HEC yimbi kakhulu, kepha ikhono le-colloid elivikelayo linamandla.
Izidingo zobuchwepheshe kanye namazinga ekhwalithi we-hydroxyethyl cellulose
Izinto: Inkomba yokungena esikhundleni (MS) 2.0-2.5 Umswakama (%) 2% 20 ℃ Isixazululo se-aqued 5-60000 eholile (%) ≤0.001
Ukusetshenziswa kwe-hydroxyethyl cellulose
【Sebenzisa 1
[Sebenzisa 2] esetshenziswe njengoMkhulu noFluid Ukulahleka kwe-Flued Fluids esuselwa emanzini asuselwa emanzini kanye nokuqedwa koketshezi, futhi kunomthelela osobala wokuqina ku-Brine Driving Fluids. Ingasetshenziswa futhi njengokulahleka koketshezi okunciphisa ukuncishiswa kukawoyela kahle usimende. Kungaxhunyaniswa okuxhumene ne-polyvalent yensimbi yensimbi ukwakha ijeli.
[Sebenzisa 3] Lo mkhiqizo usetshenziswa njenge-polymeric dispersant for gel-based gel fracting fluid, polystyrene kanye polyvinyl chloride ekuphumeni kwezimayini. Ingasetshenziswa futhi njenge-emulsion emkhakheni wepende, i-hygrostat embonini ye-elekthronikhi, i-anticoagulant yesimende kanye ne-ejenti yokugcinwa komswakama embonini yezokwakha. Imboni ye-Ceramic ehehayo kanye ne-binder yamazinyo. Isetshenziswa kabanzi ekuphrintweni nokudaya, izindwangu, ukupaka, umuthi, inhlanzeko, ukudla, ugwayi, ama-pesticides kanye nama-ejenti wokucima umlilo.
[Sebenzisa i-4] esetshenziswe njenge-surfiantant, i-ejenti yokuvikela i-colloidal, i-emull stabilizer ye-vinyl chloride, i-vinyl acetate namanye ama-emulsion, kanye ne-viscosifier, kanye ne-viscosifier, kanye ne-viscosifier, kanye ne-viscosifier, kanye ne-viscosifier stabilizer ye-latex. Kusetshenziswe kabanzi ekuhlolweni, imicu, ukudaya, ukupaka, izimonyo, umuthi, ama-pesticides, njll. Kubuye kube nokusebenzisa okuningi embonini yemishini.
【Sebenzisa ama-5】 I-HydroxYethyl cellulose inemisebenzi yomsebenzi ongaphezulu, ukuqina, ukumisa, ukubopha, ukwakheka kwamafilimu, ukuhambisa, ukugcinwa kwamanzi nokuhlinzeka ngamalungiselelo aqinile kanye namanzi.
Izicelo ze-hydroxyethyl cellulose
Isetshenziswa egqoke izimbotshana zezakhiwo, izimonyo, amazinyo, ama-surfactants, ama-latex amakhulu, ama-colloidal agents, uketshezi lwamafutha, uketshezi lwamafutha, ama-polystyrene kanye ne-polyvinyl chloride disversants, njll.
I-Hydroxyyethyl cellulose yezinto zokuphepha zedatha yokuphepha (ama-MSDS)
1. Umkhiqizo unengozi yokuqhuma kothuli. Lapho uphatha inqwaba noma inqwaba, qaphela ukugwema ukufakwa kothuli kanye nokumiswa emoyeni, futhi ungasuki ekushiseni, izinhlansi, amalangabi kanye nogesi we-state. 2 I-3. Umkhiqizo ushelelezi kakhulu lapho emanzi, futhi i-methylcellose powder kufanele ihlanzwe ngesikhathi kanye ne-anti-slip thetreatty kufanele yenziwe.
Izici zokugcina nezinto zokuhamba ze-Hydroxyethyl cellulose
Ukupakisha: Izikhwama ezingqimba eziphindwe kabili, isikhwama sangaphandle sephepha le-composite, isikhwama sefilimu yangaphakathi ye-polyethylene, i-Net Weight 20kg noma i-25KG esikhwameni ngasinye.
Ukugcinwa Nokuhamba: Isitolo endaweni enomoya ongena umoya ngaphakathi, futhi unake umswakama. Imvula nokuvikelwa yilanga ngesikhathi sokuhamba.
Indlela yokulungiselela ye-hydroxyethyl cellulose
Indlela 1: Cwilisa ama-COTROCTER COTOWTERS noma i-Pulp ecwengekile ku-30% LYE, uyikhiphe ngemuva kwesigamu sehora, bese ucindezela. Cindezela kuze kube yilapho isilinganiso sokuqukethwe kwamanzi e-Alkali-Water sifinyelela ku-1: 2.8, bese sithuthela kudivayisi ecindezelayo yokuchoboza. Faka i-alkali echotshoziwe ye-alkali ibe yi-kettle yokuphendula. Uvalwe futhi wathuthwa, wagcwala i-nitrogen. Ngemuva kokufaka esikhundleni somoya ku-kettle ne-nitrogen, cindezela ungene ku-ethylene oxide uketshezi. Sabela ngaphansi kokupholisa ngo-25 ° C ngo-2 h ukuthola i-crude hydroxyethyyl cellulose. Geza umkhiqizo ongcolile ngotshwala bese ulungisa inani le-PH ku-4-6 ngokungeza i-acetic acid. Faka i-GYLOXAL yokuxhumanisa nokuguga nokuguga, geza ngokushesha ngamanzi, bese ekugcineni u-centriphuge, womile, bese ugaya ukuze uthole i-hydroxyethyethyylyls ephansi.
Indlela 2: I-Alkali Cellulose iyi-polymer yemvelo, indandatho ngayinye eyisisekelo ye-fiber iqukethe amaqembu amathathu e-hydroxyl, i-hydroxyl geroar esebenza kakhulu iphendula ukuze ithole i-hydroxyethyl cellulose. Cwilisa ama-linters ekotoni eluhlaza noma ipulp ecwengekile ku-30% i-caustic soda, uyikhiphe bese ucindezela ngemuva kwesigamu sehora. Cwilisa kuze kube yilapho isilinganiso samanzi e-Alkaline sifinyelela ku-1: 2.8, bese sichoboza. Beka i-alkali ye-alkali cellulose ibe yi-kettle yokusabela, engeza uphawu, ulifakele, uligcwalise nge-nitrogen, bese uphinda ukwehlisa umoya kanye nokugcwaliswa kwe-nitrogen ukuze ungene esikhundleni somoya ku-kettle. Cindezela ku-Ethylene Oxide uketshezi, faka amanzi apholile eJacket yeKettele yokuphendula, futhi alawule ukusabela cishe ngo-25 ° C amahora angama-2 ukuthola i-crude hydroxyethyyl cellulose. Umkhiqizo ongahluziwe ugezwa ngotshwala, obungathathi hlangothi ku-PH 4-6 ngokungeza i-acetic acid, futhi uxhumene ne-glyxal yokuguga. Ngemuva kwalokho igezwa ngamanzi, ikhiphe amanzi ngamanzi nge-centrifugation, omisiwe futhi ihlehliswe ukuthola i-hydroxyethyl cellulose. Ukusetshenziswa okubonakalayo okungavuthiwe (kg / t) Ama-Cotton Linters noma ama-Pulp 730-780 I-Uquid Caustic Soda (30%) 2400 Ethylene oxide 900 utshwala (95%) i-acetic acetic 240 Glyoya (40%) 100-300
I-Hydroxyyethyl celtulose iyimpuphu emhlophe noma ephuzi futhi engenambitha futhi egeleza kalula, incibilika emanzini abandayo namanzi ashisayo, ngokuvamile awohlisi ezinhlamvwini eziningi ze-organic.
I-Hydroxyyethyl cellulose (HEC) i-White noma ikhambi eliphuzi, eliphuzi, elingenasici I-Selloluc Soluble Cellulose Afers. Ngoba i-HEC inezindawo ezinhle zokuqina, ukumisa, ukusabalalisa, ukubopha, ukubopha amafilimu, ukuvikela umswakama nokunikeza umswakama, kuhlinzekwe umuthi, ukudla, izindwangu, iphepha ne-polymerization nezinye izinkambu. Izinga elingu-40 elifisayo ≥ 99%; Ukushisa okuthambile: 135-140 ° C; Ubuningi obubonakalayo: 0.35-0.61G / ML; Ukushisa okuvumayo: 205-210 ° C; ijubane elishisayo elivuthayo; Ukushisa kwe-Equilibrium: 23 ° C; I-50% 6% nge-RH, 29% ku-84% RH.
Ungayisebenzisa kanjani i-hydroxyethyl cellulose
ingezwe ngqo ngesikhathi sokukhiqiza
1 Faka amanzi ahlanzekile kwibhakede elikhulu elihlome nge-shear mixer ephezulu. le khasi
IHydroxYethyl Cellulose
2. Qala ukuvuselela ngokuqhubekayo ngejubane eliphansi futhi uluhluze kancane i-hydroxyethyl cellulose kwisixazululo ngokulinganayo. le khasi
3. Qhubeka ngokuvusa kuze kube yilapho zonke izinhlayiya zimanzi. le khasi
4. Bese ufaka umenzeli wokuvikela umbani, izengezo eziyisisekelo ezinjengezilinganiso, ingculaza yokuhlakazeka, amanzi e-ammonia. le khasi
5
Ifakwe notshwala bamama
Le ndlela ukulungiselela utshwala bomama onokuhlushwa okuphezulu kuqala, bese uyifaka kupende we-latex. Inzuzo yale ndlela ukuthi inokuguquguquka okuthe xaxa futhi kungangezwa ngqo kupende ophelile, kepha kufanele kugcinwe kahle. Izinyathelo zifana nezinyathelo 1-4 in Emphelweni 1, umehluko ukuthi asikho isidingo sokuvusa kuze kube yilapho sincibilika ngokuphelele esikhambeni se-viscous.
Iphaneli ye-phenology
Njengoba ama-solvents e-organic amhlophe ampofu ama-hydroxyethyl cellulose, lezi zinhlaka eziphilayo zingasetshenziswa ukulungisa iphalishi. I-solvents esetshenziswa kakhulu ye-organic uketshezi olufana ne-ethylene glycol, i-plylene glycol kanye namaforamu wefilimu (anjenge-ethylene glycol noma i-diethylene glycol butyl acetate) ekwakhiweni kwepende. Amanzi eqhwa nawo asolvent ampofu, ngakho-ke amanzi eqhwa avame ukusetshenziswa ndawonye ngoketshezi lwe-organic ukulungiselela iphalishi. I-hydroxyethyl cellulose yephalishi ingangezwa ngqo kupende, futhi i-hydroxyethyl cellulose ihlukaniswe futhi ivuvukele ephalisheni. Uma kungezwe kupende, iyancibilika ngokushesha futhi isebenza njengesikhulu. Ngemuva kokungeza, qhubeka uvuse kuze kube yilapho i-hydroxyethyl cellulose ichithwa ngokuphelele futhi iyunifomu. Ngokuvamile, iphalishi lenziwa ngokuxuba izingxenye eziyisithupha ze-organic solvent noma amanzi eqhwa ngengxenye eyodwa ye-hydroxyethyl cellulose. Ngemuva kwemizuzu engaba ngu-6-30, i-hydroxyethyl cellulose izobe i-hydrolyzed futhi ivuvukale ngokusobala. Ehlobo, izinga lokushisa lamanzi ngokuvamile liphezulu kakhulu, ngakho-ke alilungele ukusebenzisa iphalishi.
Izindlela zokuphepha ze-Hydroxyethyl cellulose
Njengoba i-hydroxyyethyll ephethwe yi-cardroxyethyl ephethwe yi-powder noma i-cellulose iqinile, kulula ukuyiphatha futhi iwukhiphe ngamanzi inqobo nje uma izinto ezilandelayo zinakekelwa. le khasi
1. Ngaphambi nangemva kokungeza i-hydroxyethyl cellulose, kufanele ivuswe ngokuqhubekayo kuze kube yilapho isixazululo sisobala futhi sicacile. le khasi
2. Kumele itholakale kancane ethangini lokuxuba, ungangezi ngokuqondile inani elikhulu le-hydroxyethyl cellulose noma i-hydroxyethyl celtulose eyenziwe ama-lumps namabhola ethangini lokuxuba. I-3. Izinga lokushisa lamanzi nenani le-PH emanzini linobudlelwano obusobala ekuchitheni kwe-hydroxyethyl cellulose, ngakho-ke kufanele kukhokhwe. le khasi
4. Ungangezi ezinye izinto ze-alkaline engxube ngaphambi kwe-hydroxyethyl cellulose powder kufudunyezwa emanzini. Ukuphakamisa Inani le-PH ngemuva kokufudumeza kuzosiza ukuncibilikisa. le khasi
I-5. Ngokusemandleni akho, engeza i-anti-fungal agent ngokushesha ngangokunokwenzeka. le khasi
6. Lapho usebenzisa i-High-Viscoxyethyl cellulose, ukugcwaliswa kotshwala bamama akufanele kube ngaphezulu kuka-2,5-3%, ngaphandle kwalokho utshwala buzoba nzima ukuphatha. I-hydroxyyethylyl ephathekayo ephathisiwe ngokuvamile ayikho lula ukwakha izigaxa noma ama-sphere, futhi ngeke isebenzise ama-colloids we-infolluble spherical ngemuva kokungeza amanzi.
Ngokuvamile isetshenziswa njengomuntu omkhulu, i-ejenti evikelayo, enamathela, i-stabilizer, i-lotion, i-lotions, i-skeleton gel 1. Ukulungiselela i-Skeleton- thayipha amalungiselelo okukhulula okuqhubekayo. Ingasetshenziswa futhi njenge-stabilizer ekudleni.
Isikhathi sePosi: FEB-02-2023