Izakhiwo eziyinhloko ze-hydroxyethyl cellulose ukuthi iyancibilika emanzini abandayo nasemanzini ashisayo, futhi ayinazo izakhiwo ze-gelling. Inezinga elibanzi lokushintsha, ukuncibilika kanye ne-viscosity. Isixazululo se-hydroxyethyl cellulose singakha ifilimu ecacile, futhi sinezici zohlobo olungeyona i-ionic olungahlangani nama-ion futhi oluhambisana kahle.
①Ukushisa okuphezulu kanye nokuncibilika kwamanzi: Uma kuqhathaniswa ne-methyl cellulose (MC), encibilika emanzini abandayo kuphela, i-hydroxyethyl cellulose ingancibilika emanzini ashisayo noma emanzini abandayo. Uhlu olubanzi lwezakhiwo zokuncibilika kanye ne-viscosity, kanye ne-gelation engashisi.
②Ukumelana nosawoti: Ngenxa yohlobo lwayo olungeyona i-ionic, ingahlala ndawonye namanye ama-polymer ancibilika emanzini, ama-surfactants kanye nosawoti ngezindlela eziningi. Ngakho-ke, uma kuqhathaniswa ne-ionic carboxymethyl cellulose (CMC), i-hydroxyethyl cellulose inokumelana nosawoti okungcono.
③Ukugcinwa kwamanzi, ukuleveli, ukwakha ifilimu: amandla awo okugcina amanzi aphindwe kabili kune-methyl cellulose, enokulawulwa okuhle kokugeleza kanye nokwakheka kwefilimu okuhle kakhulu, ukunciphisa ukulahleka koketshezi, ukuqhekeka, ubulili be-colloid obuvikelayo.
Ukusetshenziswa kwe-hydroxyethyl cellulose
I-Hydroxyethyl cellulose ingumkhiqizo we-cellulose ether ongeyona i-ionic encibilikayo emanzini, osetshenziswa kabanzi ekugqokeni kwezakhiwo, uphethiloli, i-polymerization ye-polymer, imithi, ukusetshenziswa kwansuku zonke, iphepha noyinki, izindwangu, izinto zobumba, ukwakhiwa, ezolimo kanye neminye imboni. Inemisebenzi yokuqina, ukubopha, ukuhlanganisa, ukusabalalisa nokuzinzisa, futhi ingagcina amanzi, yakhe ifilimu futhi inikeze umphumela wokuvikela we-colloid. Incibilika kalula emanzini abandayo nasemanzini ashisayo, futhi inganikeza isisombululo esinobubanzi obukhulu be-viscosity. Enye yama-ether e-cellulose asheshayo.
Upende we-latex owodwa
I-Hydroxyethyl cellulose iyisithako esivame ukusetshenziswa kakhulu ekumbozweni kwe-latex. Ngaphezu kokuqinisa i-latex coatings, ingaphinde ihlanganise, ihlakaze, izinze futhi igcine amanzi. Ibonakala ngomphumela omangalisayo wokujiya, ukuthuthukiswa kombala okuhle, isici sokwakha ifilimu kanye nokuqina kwesitoreji. I-Hydroxyethyl cellulose iyi-non-ionic cellulose derivative engasetshenziswa ebangeni elibanzi le-pH. Ihambisana kahle nezinye izinto ezikulesi sakhi (njengemibala, izithasiselo, izigcwalisi kanye nosawoti). Izingubo ezijiyile nge-hydroxyethyl cellulose zine-rheology enhle ngamanani ahlukahlukene okucheba futhi ziyi-pseudoplastic. Izindlela zokwakha ezifana nokuxubha, ukugoqa okugoqekayo, kanye nokufutha zingasetshenziswa. Ukwakhiwa okuhle, akulula ukuconsa, ukugoba nokuphalaza, kanye nokuleveli okuhle.
2 Ukwenziwa kwe-polymer
I-Hydroxyethyl cellulose inemisebenzi yokuhlakaza, ukuhlanganisa, ukuxhuma kanye nokuzinzisa ezingxenyeni ze-polymerization noma ze-copolymerization zama-resin okwenziwa, futhi ingasetshenziswa njenge-colloid evikelayo. Ibonakala ngekhono eliqinile lokuhlakaza, "ifilimu" encane yezinhlayiya, usayizi wezinhlayiya ezincane, ukuma kwezinhlayiya ezifanayo, uhlobo olukhululekile, ukugeleza okuhle, ukubonakala okuphezulu komkhiqizo kanye nokucutshungulwa okulula. Ngenxa yokuthi i-hydroxyethyl cellulose ingancibilikiswa emanzini abandayo nasemanzini ashisayo, futhi ayinawo amazinga okushisa e-gelling, ifaneleka kakhulu ekuphenduleni okuhlukahlukene kwe-polymerization.
Izakhiwo ezibalulekile zomzimba zokuphenya ikhwalithi ye-dispersant ukucindezelwa kobuso (noma kwe-interfacial), amandla e-interfacial kanye nokushisa kwe-gelation kwesisombululo sayo samanzi. Lezi zakhiwo ze-hydroxyethyl cellulose zifanelekile ekupholimeni noma ekupholimeni kwama-resin okwenziwa.
I-Hydroxyethyl cellulose ihambisana kahle namanye ama-ether e-cellulose ancibilika emanzini kanye ne-PVA. Uhlelo oluhlanganisiwe olwakhiwe ngaleyo ndlela lungathola umphumela ophelele wokufunda emandleni omunye nomunye kanye nokugcwalisa ubuthakathaka bomuntu. Imikhiqizo ye-resin ehlanganisiwe ayigcini nje ngokuba nekhwalithi enhle, kodwa futhi inciphisa ukulahleka kwezinto ezibonakalayo.
3 ukubhoboza uwoyela
Ekubholeni nasekukhiqizeni uwoyela, i-hydroxyethyl cellulose ene-viscosity ephezulu isetshenziswa kakhulu njenge-viscosifier yoketshezi lokuqedela kanye noketshezi lokuqedela. I-hydroxyethyl cellulose ene-viscosity ephansi isetshenziswa njengendlela yokunciphisa ukulahleka koketshezi. Ezindaweni ezahlukene ezidingekayo ekubholeni, ekuqedeni, ekuqiniseni nasekuqhekekeni, i-hydroxyethyl cellulose isetshenziswa njengento eqinisayo ukuze kutholakale uketshezi oluhle kanye nokuqina kodaka. Ngesikhathi sokubhoboza, ingathuthukisa amandla okuthwala isihlabathi sodaka futhi yandise impilo yenkonzo ye-drill bit. Ezindaweni eziphansi zokuqeda uketshezi lwesigaba esiqinile kanye noketshezi lokuqinisa, izakhiwo ezinhle kakhulu zokunciphisa ukulahleka kwamanzi ze-hydroxyethyl cellulose zingavimbela inani elikhulu lamanzi ukuthi lingangeni ongqimbeni lwamafutha lusuka odakeni, futhi zingathuthukisa amandla okukhiqiza ongqimbeni lwamafutha.
4 Amakhemikhali ansuku zonke
I-Hydroxyethylcellulose iyi-film former esebenzayo, i-binder, i-thickener, i-stabilizer kanye ne-dispersant kuma-shampoo, ama-hair spray, ama-neutralizer, ama-conditioner kanye nezimonyo; kuma-detergent powders. I-Hydroxyethyl cellulose iyancibilika ngokushesha lapho izinga lokushisa liphezulu, okungasheshisa inqubo yokukhiqiza futhi kuthuthukiswe ukusebenza kahle kokukhiqiza. Isici esisobala sama-detergents aqukethe i-hydroxyethyl cellulose ukuthi angathuthukisa ukushelela kanye nokuhlanganiswa kwezindwangu.
5 izakhiwo
I-Hydroxyethyl cellulose ingasetshenziswa emikhiqizweni yokwakha efana nokuhlanganiswa kwekhonkrithi, izingcezu ezintsha, i-gypsum plaster noma ezinye izingcezu, njll., ukugcina amanzi ngesikhathi sokwakha ngaphambi kokuba ziqine futhi ziqine. Ngaphezu kokuthuthukisa ukugcinwa kwamanzi kwemikhiqizo yokwakha, i-hydroxyethyl cellulose ingandisa isikhathi sokulungiswa kanye nesikhathi sokuvula se-stucco noma i-mastic. Yehlisa ukwakheka kwesikhumba, ukushelela kanye nokuwa. Lokhu kungathuthukisa ukusebenza kokwakha, kuthuthukise ukusebenza kahle komsebenzi, konge isikhathi, futhi ngesikhathi esifanayo kwandise izinga lokukhula kwe-stucco, ngaleyo ndlela konge izinto zokusetshenziswa.
6 ezolimo
I-Hydroxyethyl cellulose isetshenziswa ekubunjweni kwezibulala-zinambuzane kanye nasekubunjweni kokumiswa njengesithako sokufutha ama-emulsion noma ama-suspension. Inganciphisa ukukhukhuleka kwe-ejenti futhi yenze inamathele ngokuqinile emaqabungeni esitshalo, ngaleyo ndlela yandise umphumela wokufutha kwamaqabunga. I-Hydroxyethyl cellulose ingasetshenziswa futhi njenge-ejenti yokwenza ifilimu ekubunjweni kwembewu kanye ne-ejenti yokumboza; njenge-ejenti yokubopha kanye nokwenza ifilimu ekusetshenzisweni kabusha kwamaqabunga kagwayi.
7 Iphepha Noyinki
I-Hydroxyethyl cellulose ingasetshenziswa njenge-ejenti yokulinganisa ephepheni nasebhodini kanye ne-ejenti yokuqinisa nokulenga yama-inki asekelwe emanzini. Enqubweni yokwenza iphepha, izakhiwo eziphakeme ze-hydroxyethyl cellulose zifaka phakathi ukuhambisana nezinsini eziningi, ama-resin nosawoti ongaphili, ukugqwala okuphansi, ukusetshenziswa komoya-mpilo okuphansi kanye nekhono lokwenza ifilimu yobuso obubushelelezi. Ifilimu inokungena okuphansi kobuso kanye nokucwebezela okuqinile, futhi inganciphisa nezindleko. Iphepha elilingana ne-hydroxyethyl cellulose ukuze kunyatheliswe ikhwalithi ephezulu. Ekwenziweni kwe-inki esuselwa emanzini, i-inki esuselwa emanzini eqiniswe nge-hydroxyethyl cellulose iyoma ngokushesha, inokusabalalisa okuhle kombala, futhi ayikhiqizi ukunamathela.
Indwangu engu-8
Ingasetshenziswa njenge-binder kanye ne-ejenti yokulinganisa ekunyatheliseni nasekudayini indwangu kanye nopende we-latex; isithambisi sezinto zokulinganisa ngemuva kwekhaphethi. Ku-fiber yengilazi, isetshenziswa njenge-ejenti yokubumba kanye ne-binder; ku-pulp yesikhumba, ingasetshenziswa njenge-modifier kanye ne-binder. Inikeza ububanzi obukhulu be-viscosity yalezi zingubo noma izinamathiseli, okuholela ekuzinzeni okufanayo nokusheshayo kwengubo kanye nokucaca okuthuthukisiwe kokuphrinta.
Izinto zobumba ezingu-9
Isibambo esinamandla kakhulu sokwenza izinto zobumba.
Amazinyo okuxubha ayi-10
Ingasetshenziswa njengesithako sokuqinisa ekukhiqizeni amazinyo.
Isikhathi sokuthunyelwe: Septhemba-24-2022