Eyona Cellulose ethers
I-cellulose ethers yintsapho yeepolymers ezinyibilikayo zamanzi ezivela kwi-cellulose, i-polymer eyenzeka ngokwemvelo efumaneka kwiindonga zeeseli zezityalo.Ezi ziphuma kwiipolymers ze-cellulose eziguqulwe ngamakhemikhali kunye namaqela ahlukeneyo asebenzayo, anikezela iimpawu ezithile kwii-molecule.I-cellulose ethers isetyenziswa ngokubanzi kumashishini ahlukeneyo ngenxa yokuguquguquka kwawo, kuquka ukwakhiwa, amayeza, ukutya, izimonyo kunye nokunye.
Ukumisela i-"engcono" ye-cellulose ether kuxhomekeke kwiimfuno ezithile zesicelo esijoliswe kuyo.Ii-ether ze-cellulose ezahlukeneyo zibonisa iipropati ezahlukeneyo, ezifana ne-viscosity, ukunyibilika, kunye nokukwazi ukwenza ifilimu, ezenza zilungele iinjongo ezahlukileyo.Nazi ezinye ze-cellulose ethers ezisetyenziswa ngokuqhelekileyo kwaye zijongwa kakuhle:
- I-Methyl Cellulose (MC):
- Iipropati: I-MC iyaziwa ngomthamo wayo ophezulu wokugcina amanzi, okwenza ukuba ifaneleke ukusetyenziswa kwizicelo ezityebileyo, ngakumbi kushishino lokwakha.Ikwasetyenziselwa amayeza kunye neemveliso zokutya.
- Ukusetyenziswa: Ukwakhiwa kodaka kunye nesamente, iipilisi zamachiza, kunye ne-agent agent kwimveliso yokutya.
- I-Hydroxyethyl Cellulose (HEC):
- Iipropati: I-HEC ibonelela ngokunyibilika kakuhle kwamanzi kwaye iguquguquka ngokwemigaqo yolawulo lwe-viscosity.Ihlala isetyenziswa kwiimveliso zombini kunye nabathengi.
- Izicelo: Ipeyinti kunye neengubo, iimveliso zokunakekelwa komntu (i-shampoos, i-lotions), i-adhesives, kunye ne-pharmaceutical formulations.
- I-Carboxymethyl Cellulose (CMC):
- Iipropati: I-CMC iyanyibilika emanzini kwaye ineempawu ezibalaseleyo zokujiya kunye nokuzinzisa.Isetyenziswa kakhulu kumashishini okutya kunye namayeza.
- Usetyenziso: Iimveliso zokutya (njengezinto ezityebisayo nezizinzisayo), amayeza, izinto zokuthambisa, amalaphu, kunye nolwelo lokomba kwishishini leoli negesi.
- I-Hydroxypropyl Methyl Cellulose (HPMC):
- Iipropati: I-HPMC ibonelela ngolungelelwano olulungileyo lokunyibilika kwamanzi, i-thermal gelation, kunye neempawu zokwenza ifilim.Isetyenziswa ngokubanzi kwizicelo zokwakha kunye namayeza.
- Ukusetyenziswa: I-adhesives ye-tile, i-samente-based renders, i-oral pharmaceutical formulations, kunye neenkqubo zokuhanjiswa kweziyobisi ezilawulwayo.
- I-Ethyl Hydroxyethyl Cellulose (EHEC):
- Iipropati: I-EHEC yaziwa ngokuba yi-viscosity ephezulu kunye nokugcinwa kwamanzi, okwenza ukuba ifanelekele izicelo ezifunwayo kulwakhiwo kunye namayeza.
- Ukusetyenziswa: Izongezo zodaka, ii-agent ezityebisayo kumayeza, nakwizithambiso.
- I-Sodium Carboxymethyl Cellulose (Na-CMC):
- Iipropati: I-Na-CMC yi-ether eselulosi enyibilikayo emanzini eneempawu ezigqwesileyo zokujiya kunye nokuzinzisa.Ihlala isetyenziselwa ukutya kunye nezicelo ezahlukeneyo zamashishini.
- Usetyenziso: Iimveliso zokutya (njengezinto ezityebisayo nezizinzisayo), amayeza, amalaphu, kunye nolwelo lokomba.
- ISelulosi yeMicrocrystalline (MCC):
- Iipropati: I-MCC iqulathe amasuntswana amancinci, ayikristale kwaye iqhele ukusetyenziswa njengesibophelelo kunye nesigcwalisi kwiipilisi zoxubo mayeza.
- Izicelo: Iipilisi zeMichiza kunye neepilisi.
- I-Sodium Carboxymethyl Starch (CMS):
- Iipropati: I-CMS sisitatshi esiphuma kwiipropati ezifana ne-Na-CMC.Isetyenziswa ngokuqhelekileyo kwishishini lokutya.
- Usetyenziso: Iimveliso zokutya (njengento etyebisayo kunye nezinzisi), amalaphu, kunye namayeza.
Xa ukhetha i-ether yeselulosi kwisicelo esithile, kubalulekile ukuqwalasela imiba efana ne-viscosity efunekayo, ukunyibilika, ukuzinza, kunye nezinye iimpawu zokusebenza.Ukongeza, ukuthotyelwa kwemigangatho yolawulo kunye nokuqwalaselwa kokusingqongileyo kufuneka kuthathelwe ingqalelo.Abavelisi bahlala bebonelela ngeedatha zedatha yobugcisa ngolwazi oluthe kratya kwiipropati kunye nokusetyenziswa okucetyiswayo kwee-ethers ze-cellulose ezithile.
Ixesha lokuposa: Jan-03-2024