Abakhiqizi be-HPMC-umphumela wama-viscosities ahlukene we-cellulose ethers ku-putty powder

ethula:

Ama-cellulose ethers asetshenziswa kakhulu embonini yezokwakha ngenxa yokugcinwa kwawo kahle kwamanzi, ukuqina kanye nezakhiwo zokubopha.Bathuthukisa ukugeleza nokucutshungulwa kwezinto ezisekelwe kusimende futhi bathuthukise izakhiwo zemishini zomkhiqizo wokugcina.Ama-putty avame ukusetshenziswa embonini yezokwakha ukugcwalisa imifantu, izimbobo nokunye ukungapheleli ezindongeni nophahla.Ukusetshenziswa kwe-cellulose ethers kuma-putty powders kungathuthukisa ukusebenza, ukubeka isikhathi kanye nekhwalithi yomkhiqizo jikelele.Lesi sihloko sizoxoxa ngomphumela wama-viscosities ahlukene we-cellulose ethers ku-putty powder.

Izinhlobo ze-cellulose ethers:

Kunezinhlobo ezahlukene ze-cellulose ethers ezihlanganisa i-methylcellulose (MC), i-hydroxypropylmethylcellulose (HPMC), i-ethylcellulose (EC) ne-carboxymethylcellulose (CMC).I-HPMC iyi-ether ye-cellulose ethandwayo embonini yezokwakha ngenxa yokugcinwa kwayo kahle kwamanzi, ukujiya kanye nezakhiwo zokunamathela.I-HPMC iza ngama-viscosities ahlukene, ukusuka phansi kuye phezulu.

Umphumela we-cellulose ether ku-putty powder:

I-putty powder isetshenziselwa ukugcwalisa imifantu, izimbobo nokunye ukungapheleli ezindongeni nophahla.Ukusetshenziswa kwe-cellulose ethers kuma-putty powders kungathuthukisa ukusebenza kanye nesikhathi sokusetha somkhiqizo.I-cellulose ether ingaphinde ithuthukise ukusebenza nokunamathela kwe-putty powder.Okulandelayo umphumela wama-viscosities ahlukene we-cellulose ethers ku-putty powder:

1. I-HPMC ye-viscosity ephansi:

I-viscosity ephansi ye-HPMC ingathuthukisa uketshezi nokusebenza kwe-putty powder.Iphinde ithuthukise isikhathi sokusetha somkhiqizo.I-Low-viscosity HPMC inezinga lokushisa eliphansi le-gelation, elingavimbela i-putty powder ekubeni lukhuni ngokushesha.Kungase futhi kuthuthukise ukunamathela nokuhlangana komkhiqizo.I-viscosity ephansi ye-HPMC ilungele i-putty powder edinga ukusebenza kahle nokushelela.

2. I-HPMC ye-viscosity emaphakathi:

I-viscosity emaphakathi i-HPMC ingathuthukisa izakhiwo ze-thixotropic ze-putty powder.Kungase futhi kuthuthukise ukugcinwa kwamanzi nokusebenza kwesibopho komkhiqizo.I-Medium-viscosity ye-HPMC ingathuthukisa izici zomshini zomkhiqizo, njengamandla nokuqina.Ifanele i-putty powder edinga ukugcinwa kwamanzi okuhle nokubumbana.

3. High viscosity HPMC:

I-viscosity ephezulu ye-HPMC ingathuthukisa ukusebenza kwe-putty kanye nokuqiniswa kwe-anti-sag.Kungase futhi kuthuthukise ukugcinwa kwamanzi nokusebenza kwesibopho komkhiqizo.I-viscosity ephezulu ye-HPMC ingathuthukisa izakhiwo zomshini zomkhiqizo, njengamandla nokuqina.Ilungele i-putty powder edinga ukuqina okuphezulu nokusebenza kwe-anti-sag.

Ekuphetheni:

Ama-cellulose ethers asetshenziswa kakhulu embonini yezokwakha ngenxa yokugcinwa kwawo kahle kwamanzi, ukuqina kanye nezakhiwo zokubopha.I-HPMC isiphenduke i-ether cellulose ethandwayo embonini yezokwakha ngenxa yezakhiwo zayo ezinhle kakhulu.I-HPMC iza ngama-viscosities ahlukene, ukusuka phansi kuye phezulu.Ukusetshenziswa kwama-cellulose ether anama-viscosity ahlukene kungathuthukisa ukusebenza, isikhathi sokusetha, ukusebenza kwe-thixotropic, ukugcinwa kwamanzi, ukusebenza kwebhondi kanye nezakhiwo zemishini ze-putty powder.Ukusetshenziswa kwe-cellulose ethers kungathuthukisa ikhwalithi nokusebenza kwe-putty powders, okubenza bafanelekele izinhlelo zokusebenza ezihlukahlukene embonini yezokwakha.