Ukusebenza kwesicelo se-HPMC
I-Hydroxypropyl methyl cellulose (HPMC) luhlobo lwe-non-ionic cellulose ether, eyenziwe ngezinto ze-polymer zendalo njengezinto eziluhlaza kwaye ihlanjululwe luluhlu lweenkqubo zeekhemikhali. Namhlanje siza kufunda malunga nokusebenza kwe-HPMC.
● Ukunyibilika kwamanzi: inokunyibilika emanzini nangayiphi na indlela, uxinaniso oluphezulu luxhomekeke kwi-viscosity, kwaye ukunyibilika akuchaphazeleki yi-PH.l Ukunyibilika kwendalo: I-HPMC inokunyibilika kwezinye izinyibilikisi zendalo okanye izisombululo zamanzi zendalo ezifana ne-dichloroethane, isisombululo se-ethanol, njl.njl.
● Iimpawu zejeli yobushushu: Ijeli eguqukayo iya kuvela xa isisombululo sayo samanzi sishushu ukuya kubushushu obuthile, kunye nokusebenza okulawulekayo kokuseta ngokukhawuleza.
● Akukho ntlawulo ye-ionic: I-HPMC yi-non-ionic cellulose ether kwaye ayizukuba yi-complex ngee-ion zesinyithi okanye izinto eziphilayo ukuze zenze ii-precipitates ezinganyibilikiyo.
● Ukuqina: Inkqubo yayo yesisombululo samanzi inokuqina, kwaye isiphumo sokuqina sinxulumene nokuxinana kwayo, ukuxinana kwayo, kunye nenkqubo yayo.
● Ukugcinwa kwamanzi: I-HPMC okanye isisombululo sayo sinokufunxa amanzi size siwagcine.
● Ukwakheka kwefilimu: I-HPMC inokwenziwa ibe yifilimu egudileyo, eqinileyo, nethambileyo, kwaye inokumelana okuhle kakhulu negrisi kunye ne-oxidation.
● Ukumelana nee-enzyme: Isisombululo se-HPMC sinokumelana nee-enzymes okugqwesileyo kunye nozinzo oluhle lwe-viscosity.
● Uzinzo lwe-PH: I-HPMC izinzile kwi-asidi kunye ne-alkali, kwaye i-pH ayichaphazeleki kuluhlu lwe-3-11. (10) Umsebenzi womphezulu: I-HPMC inika umsebenzi womphezulu kwisisombululo ukufezekisa i-emulsification efunekayo kunye neziphumo zokukhusela ze-colloid.
● Ipropati yokulwa nokugoba: I-HPMC yongeza iipropati ze-thixotropic zenkqubo kwi-putty powder, i-mortar, i-tile glue, kunye nezinye iimveliso, kwaye inamandla abalaseleyo okulwa nokugoba.
● Ukusasazeka: I-HPMC inokunciphisa uxinzelelo lwe-interfacial phakathi kwezigaba kwaye yenze isigaba esisasazekileyo sisasazeke ngokulinganayo sibe ngamaconsi anobukhulu obufanelekileyo.
● Ukuncamathelisa: Ingasetyenziswa njengesihlanganisi sobuninzi bepigment: iphepha eliyi-370-380g/l³, kwaye ingasetyenziswa nakwizinto zokugquma kunye nezincamathelisi.
● Ukuthamba: Ingasetyenziswa kwirabha, i-asbestos, isamente, kunye neemveliso zeseramikhi ukunciphisa ukungqubana nokuphucula ukungena kwe-slurry yesamente.
● Ukumiswa: Kungathintela amasuntswana azinzileyo ekunabeni kwemvula kwaye kuthintele ukwakheka kwemvula.
● Ukuhlanganiswa kwe-emulsification: Ngenxa yokuba inokunciphisa uxinzelelo lomphezulu kunye nolwangaphakathi, inokuzinzisa i-emulsion.
● I-colloid ekhuselayo: Umaleko okhuselayo wenziwa phezu komphezulu wamathontsi asasazekileyo ukuthintela amathontsi ukuba angadibani kwaye ahlangane ukuze kufezekiswe isiphumo esizinzileyo sokukhusela.
Ixesha leposi: Meyi-08-2025