HPMC Izina ryubushinwa HydroxyPropyl Methyl Torle Soleulose, ubwoko butari ionic, muri minisiteri yumye bikunze gukoreshwa nkabakozi bashinzwe amazi, ni ibikoresho byo kugabana amazi muri minisiteri.
Inzira yumusaruro wa HPMC ahanini ni fatton fibre (gukora murugo) nyuma ya alkalisation, ubukana nigisekuru cyibicuruzwa bya polyssaccharide. Ntabwo ifite ikiguzi kandi ntiyitwara na ions yashizwe mubikoresho bibi, kandi imikorere yayo irahamye. Igiciro nacyo kiri munsi yubundi bwoko bwa selile ether, niko bikoreshwa cyane mumashanyarazi yumye.
HydroxyPropyl Methyl Imikorere: Irashobora gutuma umuryango mushya wijimye kugirango ugire vino runaka itose, irinde gutandukana. . .
Ikomeye viscosiya rya hydroxypropyl methyl Methiose, ni byiza ko ugusuka amazi. Viscosity nigipimo cyingenzi cyimikorere ya HPMC. Kugeza ubu, abakora ba HPMC bakoresha uburyo n'ibikoresho bitandukanye kugirango bapime vicosity ya HPMC. Uburyo nyamukuru burimo HaAkerotovisko, hoppler, Ubublohde na Brookfield.
Kubicuruzwa bimwe, ibisubizo bya sscozerity byapimwe nuburyo butandukanye buratandukanye cyane, ndetse bamwe baragwira. Kubwibyo, mugihe bigereranya vicosi, bigomba gukorwa hagati yuburyo bumwe bwo kwipimisha, harimo ubushyuhe, rotor, nibindi.
Kubunini buranga, ibice byiza, ibyiza byo kugumana amazi. Nyuma yinshinga nini za selile zihura namazi, ubuso ako kanya irashonga kandi igakora gel kugirango igabanye ibikoresho kugirango ibuze molekile zikomeza kwinjira. Rimwe na rimwe, ndetse n'igihe kirekire birashimishije ntibishobora gukwirakwizwa no gushonga, gukora igisubizo cya flocculety cyangwa kuvuza. Kugumana amazi ya firigo biragira ingaruka cyane, kandi kwikebagura ni kimwe mu bintu byo guhitamo ether. Ibyiza nabyo ni urutonde rwingenzi rwimikorere ya methyl selile. MC kuri minisiteri yumye isaba ifu, amazi make, kandi ibyiza nabyo bisaba kandi 20% ~ 60% ingano yinshi munsi ya 63um. Ubukonje bugira ingaruka ku kuntu gukemurwa kwa hydroxyproppopyl methyl selile. Coarser MC ikunze gusetsa kandi byoroshye gukemurwa mumazi atafunzwe, ariko igipimo cyo gusebanya kiratinda cyane kandi ntigikwiye gukoreshwa mu mfu yumye minisiteri yumye minisiteri yumye minisiteri. Muri Mortar Yumye, MC iratatana muri rusange, filler nziza, sima nizindi ifu ihagije, kandi ifu ihagije irashobora kwirinda kugaragara kwa methyl selile iyo amazi yongeyeho. Iyo MC yasheshwe mumazi, biragoye gusenya mugutatana. MC ifite ubukonje bukabije ntabwo ari ugusebya gusa, ahubwo bigabanya imbaraga za minisiteri. Iyo mortar nkiyi yubatswe ahantu hanini, irerekanwa ko umuvuduko ukiza wa minisiteri yumye yaho agabanuka cyane, kandi gucika intege biterwa nigihe gitandukanye. Kuri minisiteri ya Shotcrete hamwe nubwubatsi bwa mashini, kuko igihe cyo kuvanga ni gito, ibisabwa byiza ni byinshi.
Muri rusange, hejuru cyane viscosiya, ingaruka nziza zo kugumana amazi. Ariko, hejuru cyane cyane ni, hejuru yuburemere bwa MC ni, kandi ikibazo cya MC kizagabanya uko byakabaye, bikagira ingaruka mbi ku mbaraga nubwubatsi bwa minisiteri. Isumbuye viscosiya, niko ingaruka zibyimbye za minisiteri, ariko ntabwo bigereranyije nubusabane. Isumbuye viscosiya, niko minisiteri itose izaba, haba mu kubaka, imikorere yisi yo gukomera no gufunga cyane. Ariko ntabwo ari byiza kongera imbaraga za minisiteri yonyine. Ni ukuvuga, mugihe cyo kubaka, imikorere yo kurwanya ibitonyanga ntabwo bigaragara. Ibinyuranye nibyo, bamwe bahinduye Methyl Meret hamwe nisukari ziciriritse kandi nkeya bafite imikorere myiza mugutezimbere imbaraga zubuntu bwa minisiteri itose.
Kugumana amazi ya HPMC nabyo bifitanye isano n'ubushyuhe bwakoreshejwe, kandi kugumana amazi ya methyl selile bigabanuka hamwe no kuzamuka k'ubushyuhe. Ariko muburyo bwo gusaba ibintu, ibidukikije byinshi bikaba bikunze kuba mubushyuhe bwinshi (hejuru ya dogere 40) munsi yubwubatsi munsi yizuba mu cyi, nk'urukuta rw'inyuma rw'urukuta rw'izuba mu gihe, nk'ikindi cyihutisha gukiza sima ndetse na minisiteri yumye. Kugabanuka kw'igipimo cyo kugumana amazi biganisha ku byiyumvo bigaragara ko twubaka no kurwanya ibisiga bigira ingaruka. Mubihe nkibi, biba ingenzi cyane kugirango ugabanye ingaruka zibintu byubushyuhe. Ni muri urwo rwego, Methyl HydroxyAyIthyll Twolile Erher Ether yongeyeho ubungubu ari imbere y'iterambere ry'ikoranabuhanga. Nubwo ongera Methyl HydroxyAythy Do Cellulosethy Docal (Itara ryo mu mpeshyi), kubaka no kurwanya ibisiga ntibishobora kunongera gukoreshwa. MC binyuze muburyo bumwe bwihariye, nko kunoza urwego rworoshye, birashobora gutuma ingaruka zamazi mugihe cyubushyuhe bwinshi kugirango ukomeze ingaruka nziza, kugirango rishobore gutanga imikorere myiza mubihe bibi.
Jenerali HPMC ifite ubushyuhe bwa Gel, bushobora kugabanywamo ubwoko 60, ubwoko 65, ubwoko 75. Ku miburo isanzwe yiteguye-ivanze hamwe nimigezi yumugezi wagize neza 75 HPMC hamwe nubushyuhe bwikirenga. Umushahara wa HPMC ntugomba kuba muremure cyane, uzahita usaba amazi ya mortar, ariko nanone ukomera, igihe cyo gushiraho ni kirekire, bigira ingaruka kubijyanye no kubaka. Ibicuruzwa bitandukanye byimiryango Hitamo viscosity zitandukanye HPMC, ntukoreshe bisanzwe viscosity HPMC. Kubwibyo, nubwo ibicuruzwa bya hydroxypropyl Ibicuruzwa nibyiza, ariko gukoresha ishimwe gusa, hitamo HPMC iburyo ninshingano yibanze yabakozi ba laboratoire. Kugeza ubu, hari abacuruza benshi mu buryo butemewe n'amategeko, ubuziranenge burakennye cyane, kora akazi keza mu igeragezwa, kugira ngo bihuze ibicuruzwa by'imiryango
Igihe cyagenwe: Feb-20-2025