Izakhiwo ze-Hydroxypropyl methylcellulose HPMC

Ama-ether e-cellulose asetshenziswa kakhulu afaka phakathi i-HEC, i-HPMC, i-CMC, i-PAC, i-MHEC nokunye okunjalo. I-ether ye-cellulose engeyona i-ionic encibilikayo emanzini inokunamathela, ukuqina kokusabalala kanye nomthamo wokugcina amanzi, futhi iyisengezo esivame ukusetshenziswa ezintweni zokwakha. I-HPMC, i-MC noma i-EHEC isetshenziswa kakhulu ezakhiweni ezisekelwe kusimende noma ezisekelwe ku-gypsum, njenge-masonry mortar, i-cement mortar, i-cement coating, i-gypsum, ingxube ye-cementitious, kanye ne-milky putty, njll., okungathuthukisa ukuhlakazeka kwesimende noma isihlabathi futhi kuthuthukise kakhulu i-Adhesion, ebaluleke kakhulu ku-plaster, i-tile cement kanye ne-putty. I-HEC isetshenziswa kusimende, hhayi nje kuphela njenge-retarder, kodwa futhi njenge-ejenti yokugcina amanzi. I-HEHPC nayo inalolu hlelo lokusebenza.

Imikhiqizo ye-Hydroxypropyl methylcellulose HPMC ihlanganisa izakhiwo eziningi zomzimba nezamakhemikhali zibe imikhiqizo eyingqayizivele enezinhlobo ezahlukene zokusetshenziswa kanye nezakhiwo:

Ukugcinwa kwamanzi: Kungagcina amanzi ezindaweni ezinezimbobo ezifana namabhodi esimende odongeni kanye nezitini.

Ukwakha ifilimu: Kungakha ifilimu ecacile, eqinile futhi ethambile enokumelana okuhle kakhulu nokugcotshwa ngamafutha.

Ukuncibilika kwezinto eziphilayo: Umkhiqizo uyancibilika kwezinye izinto eziphilayo, njengezilinganiso ezifanele ze-ethanol/amanzi, i-propanol/amanzi, i-dichloroethane kanye nohlelo lwe-solvent olwakhiwe yizinto ezimbili eziphilayo.

Ukushisa: Uma isixazululo samanzi somkhiqizo sishiswa, kuzokwakheka ijeli, bese ijeli elakhiwe lizophenduka libe yisisombululo uma selipholile.

Umsebenzi womphezulu: Uhlinzeka ngomsebenzi womphezulu esixazululweni ukuze kufezwe i-emulsification edingekayo kanye nama-colloid avikelayo, kanye nokuzinzisa isigaba.

Ukumiswa: I-Hydroxypropyl methylcellulose ivimbela izinhlayiya eziqinile ukuthi zingahlali, ngaleyo ndlela ivimbele ukwakheka kwezingqimba.

Ama-Colloid Avikelayo: Vimbela amaconsi nezinhlayiya ukuthi zingahlangani noma zijiye.

Amanzi Ancibilikayo: Umkhiqizo ungancibilikiswa emanzini ngobuningi obuhlukene, ukuhlushwa okuphezulu kunqunyelwe kuphela yi-viscosity.

Ukungangeni kwe-ionic: Lo mkhiqizo uyi-non-ionic cellulose ether engahlangani nosawoti wensimbi noma amanye ama-ion ukuze kwakheke ama-precipitate angancibiliki.

Ukuqina kwesisekelo se-asidi: kufanelekile ukusetshenziswa phakathi kwe-PH3.0-11.0.


Isikhathi sokuthunyelwe: Septhemba-22-2022