HydroxyPropyl Methylcellse (HPMC)ni inic, pulegique y'amazi avanze ether. Kugaragara numweru byera kumuhondo cyangwa ibintu byiza, bidafite impumuro, bidafite uburozi, bidafite uburozi, bikaranze, kandi bikaranze mu mazi gukora igisubizo cyoroshye, mucyo. Kimwe mu bintu by'ingenzi bya hydroxyproppopyl methylcellse muri porogaramu nuko yongera vicosiya yamazi. Ingaruka zibyimbye ziterwa nurwego rwa polymerizira (DP) yibicuruzwa, kwibanda kuri selile ether mubisubizo bitangaje, igipimo cyiminsi, nubushyuhe bwimisoro. N'ibindi bintu.
01
Ubwoko bwa Fluid ya HPMC
Muri rusange, guhangayikishwa n'amazi mu mwogo zirashobora kugaragazwa nk'imikorere yo gusa igipimo cy'iminsi ƒ (γ), igihe cyose kitarangwamo. Ukurikije imiterere ya ƒ (γ), amazi arashobora kugabanywamo ubwoko butandukanye, aribyo: Amazi ya Newtonian, amazi yangiritse, amazi ya pseudopplastique hamwe namazi ya bingham hamwe namazi ya bingham.
Abashiraho selile bagabanijwemo ibyiciro bibiri: imwe ntabwo ari selile ya selile hamwe nibindi ni selile ya selile. Kuri romologiya yubu bwoko bubiri bwa bahanganye na selile. SC Naik et al. Yakoze ubushakashatsi bwuzuye kandi butunganye kuri Hydroxyyerthyl selile na sodium carboxymethyl ibisubizo bya selile. Ibisubizo byerekanaga ko selile zombi zidafite ishingiro na ionic selile ether ibisubizo byari pseudoplastique. Gutemba, ni ukuvuga ko utari Newtonian, wegera amazi ya Newtonian gusa muburyo buke cyane. Igipfukisho cya hydroxyproppopyl methylcellse igisubizo kigira uruhare runini mugusaba. Kurugero, iyo ushyizwe mubice, bitewe no kuvunika inkono yibisubizo bitangaje, viscolity yumuco igabanuka kwiyongera kwinshi, bifasha kandi gutandukanya ibice byigisenge . Ingaruka ni nini cyane; Mugihe uruhutse, viscosity yumuti ni kinini, ibuza neza kubitsa ibice by'ingurube mu ipfundo.
02
Uburyo bwa HPMC Uburyo bwo kwipimisha
Ikimenyetso cyingenzi kugirango gipime ingaruka mbi za hydroxyproppopyl methylcellse nirwo rubasiwe nigisubizo cyamazeko. Uburyo bwo gupima bigaragara muri vicosity ubusanzwe birimo uburyo bwa vinosity viccosity uburyo bwo kwerekana uburyo bwo kwerekana uburyo bwo kugwa bwa ball.
aho: Ese urusyo rugaragara, MPA S; K ni uhoraho; d ni ubucucike bwicyitegererezo kuri 20/20 ° C; T nigihe cyo gukemura kunyura mu gice cyo hejuru cya vipupteri kugeza kuri Mark, s; Igihe cyamavuta asanzwe anyura muri vicometer.
Ariko, uburyo bwo gupima na capillary drupteri biragoye cyane. Viscocisitities ya benshiAbahanga muri CelefoniBiragoye gusesengura ukoresheje capillary vicometer kuko ibi bisubizo birimo ibimenyetso byinshi bidasubirwaho gusa mugihe capillary yahagaritswe. Kubwibyo, abakora benshi bakoresha amashusho ya Rositational kugirango bagenzure ubuziranenge bwa hydroxyproppeppopyl methylcellse. Brookfield assupteri ikunze gukoreshwa mubihugu byamahanga, kandi abatsinze NDJ bakoreshwa mubushinwa.
03
Ibyiringiro bya viscosity ya HPMC
3.1 IMIKORANIRE N'IGIHE CY'IGIHUGU
Iyo ibindi bipimo bitahindutse, viscozetity ya hydroxypropyl methylcellse igisubizo ninganiye kurwego rwa polymerizira. Izi ngaruka zivuga cyane mugihe cyurwego rwo hasi rwa polymerizira kurenza uko kurwego rwo hejuru rwamasatsi.
3.2 Isano iri hagati ya viscosity no kwibanda
Uruzinduko rwa hydroxyproppopyl methylcellse yiyongera hamwe no kwiyongera kwibicuruzwa mubisubizo byatangaye. Ndetse impinduka ntoya yo kwibandaho izatera impinduka nini muri viscosiya. Hamwe na stecosity ya hydroxyproppopyl methylcellsellse ingaruka zimpinduka yibisubizo byibisubizo byibisubizo biragaragara.
3.3 IMIKORANIRE HAGATI YASANZWE N'IGIHE CY'ISOKO
HydroxyPropyl Methylcellellse igisubizo gitangaje gifite umutungo wo gukomanga. HydroxyPropyl Methylcellellse ya Vision itandukanye yizina ryateguwe mu gisubizo cya 2%, kandi ubuyobe bwayo ku gipimo cy'imisumari gitandukanye cyapimwe. Ibisubizo ni ibi bikurikira nkuko bigaragara ku ishusho. Ku gipimo gito, viscosiya za hydroxypropyl methylcellse igisubizo ntabwo yahindutse cyane. Hamwe no kwiyongera kw'ikirenga, viscozetity ya hydroxypropyl methylcelliulose igisubizo kigaragara cyane, mugihe igisubizo cyoroshye cyane ntabwo cyagabanutse cyane.
3.4 Isano iri hagati ya viscosity nubushyuhe
Ibyatsi bya HydroxyProppeyl Methylcellse Igisubizo cyibasiwe cyane nubushyuhe. Mugihe ubushyuhe bwiyongera, viscogity yumutigiro igabanuka. Nkuko bigaragara ku gishushanyo, byitegurwa mubisubizo bitangaje hamwe na 2%, kandi impinduka za viccosity hamwe no kwiyongera k'ubushyuhe birapimwa.
3.5 Ibindi Bigize ingaruka
Ibyatsi by'igisubizo cy'amazi ya hydroxyPropyl Methylcellrose nabyo bigira ingaruka ku muti, PH agaciro k'igisubizo, na Microbial plegradation. Mubisanzwe, kugirango ubone imikorere myiza ya virusire cyangwa kugabanya ibiciro byo gukoresha, birakenewe kongerera ibumba, nkibumba ryahinduwe, ibinyabuzima byahinduwe, ibipimo bya ethermer, kubibazo bitangaje bya hydroxyPropyl methylcellse. , na electrolytes nka chloride, brospide, fosifate, nitrate, nibindi birashobora kongerwaho kubisubizo bitangaje. Izi ndwara ntizizagira ingaruka gusa kumiterere yikigereranyo cyibitekerezo bya akeque, ariko bikagira ingaruka kubindi bikorwa bya porogaramu ya hydroxyproppeppopyl methylcellse nko kugumana amazi. , Kurwanya Sag, nibindi
Viscolity yo gukemura ikirere cya hydroxyPropyl methylcellse ntabwo igira ingaruka kuri aside hamwe na alkali, kandi muri rusange ishobora kwihanganira aside 3 kugeza 11. , acide ya Boric, acide ya citric, nibindi ariko, aside yibanze izagabanya urujijo. Ariko soda ya caustic soda, potasini hydroxide, amazi yindi lime, nibindi. Ntugire ingaruka nke kuriwo. Ugereranije nundi bahanganye na selile,hydroxypropyl methylcellseIgisubizo cya akeque gifite umutekano mwiza urwanya, impamvu nyamukuru niyo hydroxyPropyl methylcellse ifite amatsinda menshi yo gusimbuza. Mugutezimbere kwa selile ether molekile noroheje. Imikorere nuko vicositine zigaragara ryibisubizo bitangaje bigabanuka. Niba ari ngombwa kubika igisubizo cya hydroxyproppopyl methylcellse kuva kera, birasabwa kongeramo ibimenyetso bya Antifungal kugirango ubunebwe butahinduka cyane. Iyo uhisemo abakozi barwanya ibihimba, bitunganya cyangwa fungicide, ugomba kwitondera umutekano udasanzwe, ufite impungenge fungiside yumuntu, zifite impungenge za shimi, odosaver64 Ibikoresho bya bagiteri n'ibindi bicuruzwa. irashobora gukina inshingano zijyanye.
Kohereza Igihe: APR-28-2024