Ingingo zaHydroxypropyl Methyl Cellulose HPMC

1. Ni ubuhe buryo bukoreshwa bwa hydroxypropyl methylcellulose (HPMC)?

—— Igisubizo: HPMC ikoreshwa cyane mubikoresho byubwubatsi, gutwikira, ibisigazwa byubukorikori, ububumbyi, ubuvuzi, ibiryo, imyenda, ubuhinzi, kwisiga, itabi nizindi nganda. HPMC irashobora kugabanywamo: icyiciro cyubwubatsi, urwego rwibiryo hamwe nu rwego rwa farumasi ukurikije imikoreshereze. Kugeza ubu, ibyinshi mubicuruzwa byo murugo ni urwego rwubwubatsi. Mu cyiciro cyubwubatsi, ifu ya putty ikoreshwa mubwinshi, hafi 90% ikoreshwa kubifu ya putty, naho ibindi bikoreshwa mumasima ya sima na kole.

2. Hariho ubwoko bwinshi bwa hydroxypropyl methylcellulose HPMC. Ni irihe tandukaniro mu mikoreshereze yabo?

——Igisubizo: Hydroxypropyl methylcellulose HPMC irashobora kugabanywa muburyo bwubwoko nubwoko bushyushye. Ibicuruzwa byubwoko bukwirakwira vuba mumazi akonje bikabura mumazi. Kureka rwose. Hafi yiminota 2, ubwiza bwamazi bugenda bwiyongera buhoro buhoro, bukora colloid ibonerana. Ibicuruzwa bishyushye, iyo bihuye namazi akonje, birashobora gukwirakwira vuba mumazi ashyushye bikabura mumazi ashyushye. Iyo ubushyuhe bugabanutse ku bushyuhe runaka, ibishishwa bizagaragara buhoro buhoro kugeza igihe bibumbiye mu mucyo. Ubwoko bushyushye burashobora gukoreshwa gusa mubifu ya pome na minisiteri. Muri kole yamazi no gusiga irangi, hazabaho guterana ibintu kandi ntibishobora gukoreshwa. Ubwoko bwakanya bufite intera yagutse ya porogaramu. Irashobora gukoreshwa mu ifu yuzuye ifu na minisiteri, hamwe na kole yamazi hamwe n irangi, nta kubuza.

3. Ni ubuhe buryo bwo gusesa hydroxypropyl methylcellulose HPMC?

——Igisubizo: Uburyo bwo gushonga amazi ashyushye: Kubera ko HPMC idashonga mumazi ashyushye, HPMC irashobora gukwirakwizwa neza mumazi ashyushye mugihe cyambere, hanyuma igashonga vuba iyo ikonje. Uburyo bubiri busanzwe busobanura

ku buryo bukurikira:

1), ongeramo 1/3 cyangwa 2/3 by'amazi asabwa muri kontineri, hanyuma ubishyuhe kuri 70°C, gutatanya HPMC ukurikije uburyo bwa 1), hanyuma utegure amazi ashyushye; hanyuma shyiramo amazi asigaye asigaye mumazi ashyushye, imvange yarakonje nyuma yo gukurura.

Uburyo bwo kuvanga ifu: vanga ifu ya HPMC ninshi mubindi bintu byifu yifu, vanga neza na mixer, hanyuma ushyiremo amazi kugirango ushonga, hanyuma HPMC irashobora gushonga muriki gihe nta agglomeration, kuko muri HPMC nkeya gusa Inguni Ifu, izahita ishonga mugihe uhuye namazi.——Ifu yuzuye ifu nabakora minisiteri bakoresha ubu buryo. [Hydroxypropyl methylcellulose (HPMC) ikoreshwa nk'umubyimba mwinshi kandi ugumana amazi muri pompe ya poro.

2) Shira amazi asabwa muri kontineri hanyuma uyashyire kuri 70°C. Hydroxypropyl methylcellulose yongeweho buhoro buhoro buhoro buhoro, mu ikubitiro HPMC ireremba hejuru y’amazi, hanyuma buhoro buhoro ikora ibibyimba, bikonjeshwa bikabije.

4. Nigute dushobora gusuzuma ubuziranenge bwa hydroxypropyl methylcellulose (HPMC) byoroshye kandi byihuse?

——Igisubizo: (1) Uburemere bwihariye: Ninini nini nini, niko iremereye. Umubare ni munini, muri rusange kubera

. Nyamara, ibyinshi mubicuruzwa byiza bifite umweru mwiza.

(3) Ubwiza: Ubwiza bwa HPMC muri rusange bufite mesh 80 na mesh 100, naho mesh 120 ni mike. HPMC nyinshi ikorerwa muri Hebei ni mesh 80. Nibyiza, nibyiza muri rusange.

. Iyo urumuri rwinshi rwohereza, nibyiza, byerekana ko muriyo harimo ibidashobora gukemuka. . Ubucucike bwa reaction ya vertical ni byiza muri rusange nibyiza, kandi nibya reaction ya horizontal ni bibi, ariko ntibisobanuye ko ubwiza bwa reaction ya vertical iruta iya reaction ya horizontal, kandi hariho ibintu byinshi byerekana ubwiza bwibicuruzwa . Ibiri mu itsinda rya hydroxypropyl muri byo ni byinshi, kandi ibikubiye mu itsinda rya hydroxypropyl ni byinshi, kandi kubika amazi ni byiza.

5. Ni ibihe bimenyetso nyamukuru bya tekinike ya hydroxypropyl methylcellulose (HPMC)?

——Igisubizo: Hydroxypropyl ibirimo hamwe nubwiza, abakoresha benshi bahangayikishijwe nibi bipimo byombi. Abafite hydroxypropyl nyinshi muri rusange bafite amazi meza. Ubukonje bwinshi, kubika amazi, ugereranije (kuruta

6. Ni ubuhe buryo bukwiye bwa hydroxypropyl methylcellulose (HPMC)?

——Igisubizo: Ifu ya putty muri rusange ni 100.000 Yuan, kandi ibisabwa kuri minisiteri ni byinshi, kandi 150.000 yuan birakenewe kugirango bikoreshwe byoroshye. Byongeye kandi, umurimo wingenzi wa HPMC nukubika amazi, ugakurikirwa no kubyimba. Mu ifu ya putty, mugihe cyose gufata amazi ari byiza kandi ibishishwa bikaba bike (70.000-80,000), birashoboka. Birumvikana ko hejuru yubukonje, niko gufata amazi ugereranije. Iyo ubwiza burenze 100.000, ubwiza buzagira ingaruka kumazi. Ntabwo ari byinshi. Byose) nabyo nibyiza, kandi viscosity iri hejuru, kandi nibyiza gukoresha mumasima ya sima.

7. Ni ibihe bikoresho by'ibanze bya hydroxypropyl methylcellulose (HPMC)?

——Igisubizo: Ibikoresho nyamukuru bya hydroxypropyl methylcellulose (HPMC): ipamba itunganijwe, methyl chloride, okiside ya propylene, nibindi bikoresho fatizo, soda ya caustic, aside, toluene, isopropanol, nibindi.

8.Ni uwuhe murimo w'ingenzi wo gukoresha HPMC mu ifu yuzuye, kandi bibaho mu buryo bwa shimi?

——Igisubizo: Mu ifu yuzuye, HPMC ifite inshingano eshatu zo kubyimba, gufata amazi no kubaka. Kubyimba: Cellulose irashobora kubyimba kugirango ihagarike kandi igumane igisubizo kimwe hejuru no hepfo, kandi irwanya kugabanuka. Kubika amazi: kora ifu ya putty yumye gahoro gahoro, kandi ufashe calcium yivu gukora mugihe cyamazi. Ubwubatsi: Cellulose ifite amavuta yo gusiga, ashobora gutuma ifu ya putty yubaka neza. HPMC ntabwo yitabira imiti iyo ari yo yose, ariko igira uruhare gusa. Ongeramo amazi kumashanyarazi hanyuma ukayashyira kurukuta nigisubizo cyimiti, kuko havutse ibintu bishya. Niba ukuyemo ifu ya putty kurukuta kurukuta, ukayisya ifu, ukongera ukayikoresha, ntabwo bizakora kuko havutse ibintu bishya (calcium karubone). ) na. Ibice byingenzi bigize ifu ya calcium yivu ni: imvange ya Ca (OH) 2, CaO hamwe na CaCO3 nkeya, CaO + H2O = Ca (OH) 2-Ca (OH) 2 + CO2 = CaCO3↓+ H2O Kalisiyumu yivu iri mumazi no mwuka Mubikorwa bya CO2, karubone ya calcium ikorwa, mugihe HPMC igumana amazi gusa, ifasha reaction nziza ya calcium yivu, kandi ntabwo igira uruhare mubitekerezo ubwabyo.

9. HPMC ni ether ya selile idafite ionic, none non-ionic niki?

——Igisubizo: Mu magambo y’abalayiki, abatari ion ni ibintu bidateza amazi mu mazi. Ionisation bivuga inzira electrolyte igabanyijemo ion zishishwa zishobora kugenda mubwisanzure mumashanyarazi yihariye (nk'amazi, inzoga). Kurugero, sodium chloride (NaCl), umunyu turya burimunsi, ushonga mumazi na ionize kugirango ubyare sodium yimuka yimuka kubuntu (Na +) byuzuye neza na ioni ya chloride (Cl) byashizwemo nabi. Nukuvuga ko, iyo HPMC ishyizwe mumazi, ntabwo izitandukanya na ion zashizwemo, ahubwo ibaho muburyo bwa molekile.

10. Haba hari isano hagati yigitonyanga cyifu ya HPMC?

——Igisubizo: Ifu yifu yifu ya putty ifitanye isano cyane nubwiza bwa calcium yivu, kandi ntaho ihuriye na HPMC. Kalisiyumu nkeya ya calcium yumukara hamwe nigipimo kidakwiye cya CaO na Ca (OH) 2 muri calcium yumukara bizatera gutakaza ifu. Niba ifite aho ihuriye na HPMC, noneho niba HPMC ifite amazi mabi, bizatera no gutakaza ifu.

11. Ubushyuhe bwa gel bwa hydroxypropyl methylcellulose bufitanye isano niki?

——Igisubizo: Ubushyuhe bwa gel bwa HPMC bujyanye nibirimo. Hasi yibirimo↓, ubushyuhe bwo hejuru bwa gel.

12. Nigute wahitamo ibikwiyehydroxypropyl methylcellulose (HPMC)ku mpamvu zitandukanye?

——Igisubizo: Gukoresha ifu ya putty: ibisabwa ni bike, kandi viscosity ni 100.000, birahagije. Icyangombwa nukubungabunga amazi neza. Gukoresha minisiteri: ibisabwa hejuru, viscosity nyinshi, 150.000 nibyiza. Gukoresha kole: ibicuruzwa byihuse hamwe nubwiza bwinshi birasabwa.

13. Ni irihe tandukaniro riri hagati yubwoko bwamazi akonje nubwoko bushyushye bwa hydroxypropyl methylcellulose mugikorwa cyo kubyara?

——Igisubizo: Ubwoko bukonje bwamazi ya HPMC ivurwa hejuru na glyoxal, kandi ikwirakwira vuba mumazi akonje, ariko ntabwo ishonga. Irashonga gusa iyo ububobere bwiyongereye. Ubwoko bushyushye ntibuboneka hejuru ya glyoxal. Niba ingano ya glyoxal ari nini, gutatanya bizihuta, ariko ubwiza bwiyongera buhoro, kandi niba umubare ari muto, ibinyuranye bizaba ukuri.

14. Impumuro ya hydroxypropyl methylcellulose (HPMC) ni ubuhe?

——Igisubizo: HPMC yakozwe nuburyo bwo gukemura ikoresha toluene na isopropanol nkumuti. Niba gukaraba atari byiza cyane, hazabaho umunuko usigaye.

15. Irindi zina rya hydroxypropyl methylcellulose ni irihe zina?

——Igisubizo: Hydroxypropyl Methyl Cellulose, Icyongereza: Hydroxypropyl Methyl Cellulose Amagambo ahinnye: HPMC cyangwa MHPC Alias: Hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.

16. Ni iki gikwiye kwitabwaho mugushira mubikorwa isano iri hagati yubukonje nubushyuhe bwa HPMC?

——Igisubizo: Ubukonje bwa HPMC buragereranywa nubushyuhe, nukuvuga, ubukonje bwiyongera uko ubushyuhe bugabanuka. Ubukonje bwibicuruzwa dukunze kuvuga bivuga ibisubizo byikizamini cyumuti wacyo wa 2% mubushyuhe bwa dogere selisiyusi 20.

Mubikorwa bifatika, twakagombye kumenya ko mubice bifite itandukaniro rinini ryubushyuhe hagati yizuba nimbeho, birasabwa gukoresha ubukonje buke ugereranije nimbeho, bifasha cyane kubaka. Bitabaye ibyo, iyo ubushyuhe buri hasi, ubukonje bwa selile buziyongera, kandi ukuboko kumva kuremereye mugihe cyo gukuraho. Ubucucike buciriritse: 75000-100000 Ahanini bikoreshwa muri putty. Impamvu: gufata neza amazi. Ubukonje bwinshi: 150000-200000 Byakoreshejwe cyane cyane mubice bya polystirene yubushyuhe bwumuriro wa minisiteri ya kole hamwe na mikorobe ya vitamine ya vitamine. Impamvu: ubukonje bwinshi, mortar ntabwo byoroshye guta, kumanika, no kunoza ubwubatsi.

17. Gukoresha HPMC mu ifu ya putty, niyihe mpamvu itera ibibyimba mu ifu ya putty?

——Igisubizo: Mu ifu yuzuye, HPMC ifite uruhare runini rwo kubyimba, gufata amazi no kubaka. Ntukagire uruhare mubitekerezo byose. Impamvu zibibyimba: 1. Shyira amazi menshi. 2. Igice cyo hasi ntabwo cyumye, kuraho ikindi gice hejuru, kandi biroroshye kubira ifuro.