Hydroxypropyl methylcelcelculose (inn gama: i-Hypromellose), i-Hydromellose), yenziwa lula njenge-hypromellose (i-Hydroxypropyl MethmcelceLcelose (i-Hydroxyproplol Methmc), yi-HEPMCCEAse exutywe kakhulu. Yinto engu-semi-yokwenziwa, engasebenziyo, i-viclaelastic isetyenziswa njengeoli kwi-ophalmology, okanye njengommangaliso okanye ifumaneka kwiimveliso ezahlukeneyo zorhwebo.
Njengoosongezo lokutya, i-Hypromellose inokudlala le mijikelezo ilandelayo: I-Emulsifier, i-thicker, iarhente yokumisa i-Pelatitin kwaye ithathe indawo yeGelati yeZilwanyana. Ikhowudi yayo (i-e-ikhowudi) kwiCodex Alieltius yi-E464.
Iipropathi zeekhemikhali:
Imveliso egqityiweyo ye-hydroxypropyl methylcelgalose ngumgubo omhlophe okanye umhlophe oqinileyo uqinile, kwaye ubungakanani be-frienticle budlule kwi-80-mesh syeve. Umyinge we-Phydxyl kumxholo we-hydroxypropy yemveliso egqityiweyo yahlukile, kwaye i-vickosity yahlukile, ngoko iba ziintlobo ezahlukeneyo zeentlobo ezahlukeneyo. Ineempawu zokunyibilika emanzini abandayo kwaye i-insular kumanzi ashushu afana ne-methyl seseli ye-metyl, kunye nokuzeliswa kwayo kwizinyibilikisi zidlula ngaphezulu kwamanzi. Inokuchithwa kwi-adhanol kunye ne-ethanol, kwaye inokuchithwa nakwi-qddrocarble enjengeDichloro Methane, i-Trichloroethane, kunye ne-Isopropanol, kunye ne-Diacetolol yotywala. Xa inyibilikisiwe emanzini, iya kudityaniswa neemolekyuli zamanzi ezenza i-colloid. Inokuzinza kwi-acid kunye ne-alkali, kwaye ayichaphazelekanga kuluhlu lwe-pH = 2 ~ 12. I-Hypromellose, nangona ingenzi ityhefu, iyancwina kwaye iphinde ifike kancinci ngeearhente ze-oxiding.
Uhlobo lweemveliso ze-HPMC lunyuka ngokunyuka koxinzelelo kunye nobunzima bemveli, kwaye xa iqondo lobushushu liphuma, i-viscosity iqala ukuncipha. Xa kufikelela kubushushu obuthile, i-vickosity ngequbuliso inyuka kwaye ukunqanda kwenzeke. ukuphakama kwe. Isisombululo se-ACTEAGOO ENCECE sizinzile kubushushu begumbi, ngaphandle kokuba inokuthi icotywe zii-enzyme, kwaye i-viscofity eqhelekileyo ayinanto ihlazo. Inepropathi eyodwa yokuthengisa, ifilimu efanelekileyo yefilimu kunye nomsebenzi womphezulu.
Ukwenza:
Emva kokuba i-seluplose inyangwa neAlkali, i-Alion yeAlkoxolo eye yafunyanwa yi-proplexyl oxide oxide ivelise i-hydropyl ye-proxose; Ingasivalela kwi-methyl chloride ukuba ivelise i-methyl seteli. I-Hydroxypropyl Methylcelcelose iveliswa xa zombini iimpendulo zenziwa ngaxeshanye.
Sebenzisa:
Ukusetyenziswa kwe-hydroxypropyl methylcelcelcelose ifana nezo ezinye zeseli. Isetyenziswa ikakhulu njengommeli, ukumisa iarhente, i-thi cokener, i-enulsifier, ukuzinzisa kunye nokunamathela kwimimandla eyahlukeneyo. Ingaphezulu kolunye dade baselfowuni ngokubhekisele kwi-solity, ukusasazeka, ukungafihlisi kunye nokunganyangeki kwe-enzyme.
Ekutyeni neshishini lamachiza, isetyenziswa njengesongezo. Isetyenziselwa njengokunamathela, i-thickerer, isisasazi, i-ficleunt, isitayile kunye ne-e-mulsifier. Ayinatyhefu, akukho xabiso lesondlo, kwaye akukho nguqu ye-metabolic.
Ukongeza, i-HPMC inezicelo ze-switnthetic ye-swin, i-petrochemicals, i-ceramics, i-cepermang, isikhumba, i-cosmetics, i-cosmetics, izixhobo zokwakha iipleyiti zokuprinta.
Ixesha lokuphumla: Mar-15 ukuya kwi-2023