Igisubizo cya HPMC

1, ni ubuhe buryo nyamukuru ikoreshwa rya hydroxypropyl methyl selile (HPMC)?

Igisubizo:HpmcAkoreshwa cyane mu bikoresho byo kubaka, amatara, ibisohokaga sinzome, centhic, ubuvuzi, ibiryo, ubwiza, kwisiga, itabi n'izindi nganda. HPMC irashobora kugabanywamo muri: Icyiciro cyo kubaka, urwego rwibiryo hamwe nicyiciro cyubuvuzi ukurikije ikoreshwa. Kuri ubu homenade ahanini nurwego rwubaka, murwego rwububiko, ingano yifu ya Protying nini cyane, hafi 90% ikoreshwa mugukora ifu ya Prower, ibisigaye bikoreshwa mugukora sima na kole.

2, HydroxyPropyl Methyl Cellulose (HPMC) igabanijwemo ubwoko bwinshi, ni irihe tandukaniro riri hagati yo gukoresha?

Igisubizo: HPMC irashobora kugabanywamo ako kanya no gushonga, ibicuruzwa ako kanya, mumazi akonje yatatanye vuba, kubura mumazi, kuko HPMC ikwirakwizwa mumazi, nta gusenya nyabyo. Hafi yiminota 2, viscosiya yabanyamanswa buhoro buhoro, gukora virusi yacyo. Ubushyuhe buke, mu mazi akonje, irashobora kuba mu mazi ashyushye, yatatanye vuba, kugeza ku mazi ashyushye, kugeza igihe ubushyuhe bubita ku bushyuhe bumwe, kugeza ku bushyuhe bugaragara buhoro, kugeza igihe hashyirwaho vino. Ubwoko bworoshye bworoshye burashobora gukoreshwa gusa muri Prowder ifu na minisiteri, muri koroka yuzuye kandi bikagaragara, birashobora kugaragara nka agglometion phenomenon, ntibishobora gukoreshwa. Ako kanya Dissolve Model, Porogaramu Porogaramu ni make cyane, kurambirwa ifu yumwana na minisiteri, no mu mazi no guhimba, byose birashobora gukoreshwa, ntugire kirazira.

3, hydroxyPropyl methyl Uburyo bwa selile (HPMC) muburyo bwo kuvura bufite abo?

- Igisubizo: Uburyo bushyushye bwamazi: Kuberako HPMC idasenyutse mumazi ashyushye, bityo hakiri kare HPMC irashobora gutatana mumazi ashyushye, hanyuma ahita ashonga mugihe akonje,

1) Uzuza kontineri n'amazi ashyushye cyane nkuko ubikeneye kandi uhangane kugeza kuri 70 ℃. HydroxyPropyl Methyl Cellulose yongeyeho buhoro buhoro kubyutsa gahoro, kandi HPMC ireremba hejuru y'amazi, hanyuma buhoro buhoro irasetsa buhoro buhoro.

2) Ongeraho 1/3 cyangwa 2/3 byamazi asabwa muri kontineri no gushyushya kugeza 70 ℃. Gutatanya hpmc ukurikije uburyo 1) gutegura amazi ashyushye; Noneho ongeraho amazi asigaye kumazi ashyushye kandi akonje kuvanga nyuma yo gukangura.

Uburyo bwo kuvanga powder: Ifu nini ya HPMC numubare munini wibintu bifatika, bivanze byuzuye, hanyuma wongere amazi kugirango ushonge, kuko buri nkombe ntoya, gusa ifu ya HPMC, amazi bizahita bishonga. - Putty ifu hamwe nabakora minisiteri bakoresha ubu buryo. .

4, uburyo bwo kumenya ubwiza bwa hydroxyproppopyl methyl selile (HPMC) byoroshye kandi byita?

Igisubizo: (1) Whiteeness: nubwo cyera ntigishobora kumenya niba HPMC ari nziza, kandi niba yongewemo ibikorwa byera byera, bizagira ingaruka nziza. Ariko, ibicuruzwa byiza cyane bifite channene nziza. . . Gufata kwamagana reaction verticar muri rusange nibyiza, kandi iy'umuyoboro utambitse ni bibi, ariko ntibisobanura ko ireme ry'umusaruro uhagaritse riruta iyo nzira ya horizontal. Hariho ibintu byinshi byo kumenya ubwiza bwibicuruzwa. (4) Umubare: nini igipimo, iremereye cyane. Kuruta major, kuko imbere ya hydroxyl propyl ibirimo bikunze kugaragara, hydroxyl propyl propyle ibirimo, kurinda amazi gushaka neza.

5, HydroxyPropyl Methyl Cellulose (HPMC) irakwiriye?

- Igisubizo: Kurambirwa ifu yumwana nibyiza mubisanzwe ibihumbi 100, bamwe bareba ibisabwa muri minisiteri, bashaka ubushobozi ibihumbi 150 bwo gukoresha. Byongeye kandi, HPMC niyo nshingano zingenzi zo kugumana amazi, hakurikiraho kubyimba. Mu ifu ya Putty, igihe cyose ihohoterwa ry'amazi ari ryiza, vino ni mike ibihumbi 7-80), birumvikana, birashoboka, ihohoterwa rishingiye ku gitsina ni ryiza, iyo uruzinduko rurenze Ibihumbi 100, urusyo rwo kugumana amazi ntabwo ari rwinshi.

6, HydroxyPropyl Methyl Cellulose (HPMC) Ni ibihe bipimo nyamukuru bya tekiniki? .

Igisubizo: HydroxyPropyl Ibirimo hamwe na vicosity, abakoresha benshi bita kuri ibi bipimo byombi. HydroxyPropyl Ibirimo ni hejuru, kugumana amazi muri rusange. Kugereranya, kugumana amazi, mwene wabo (ariko ntabwo ari byiza) nanone nibyiza, kandi virusi, sima, sima imeze neza gukoresha bimwe.

7, HydroxyPropyl Methyl Cellulose (HPMC) Ni ibihe bikoresho nyamukuru bifatika?

Igisubizo: HydroxyPropyl Methyl Methyl Ibikoresho byibanze byifatizo: Ipamba, Chloromelene, Ibindi bikoresho fatizo, Aciet, Toluene, inzoga nyinshi nibindi.

8, HPMC mugusaba ifu ya Putty, uruhare runini, niba ibibaho bya chimie?

Igisubizo: HPMC mubutaka bwa Putty, bwiganye, amazi nubwubatsi bwinshingano eshatu. Kwinginga: Ubugari bushobora kubyimba guhagarikwa, kugirango igisubizo gihindurwe gusa no kugabanya uruhare rwo kurwanya itemba. Ihagarikwa ry'amazi: Kora ifu ya LATDER yumye buhoro, Calcium ya Calcium ifasha mu bikorwa by'amazi. Kubaka: Guhisha kwa Celilose, birashobora gutuma ifu ya LETA ifite kubaka neza. HPMC ntabwo yitabira imiti iyo ari yo yose, ahubwo igira uruhare rushyigikiye. Ifu ya puttle namazi, kurukuta, ni igisekuru cyibintu bishya, urukuta rwifu ya shoti hejuru kurukuta, ruva mu ifu, hanyuma ukoreshe ibintu bishya, kuko byashizeho ibintu bishya (karubone ya calcium). Ifu nkuru yifu ya Gray Calcium ni uruvange rwa CA (OH) 2, CAO na CAO + H2O = CA (OH (OH (CACO3 ↓ + H2O Gray Calcium muri Amazi n'indege munsi y'ibikorwa bya CO2, Carcium Carbonate, na HPMC amazi gusa, fasha Graycium Claycium neza, ntabwo yitabiriye reaction.

9.HPMC Not-ionic selile, none niki kitari ionic?

Igisubizo: Muri rusange, ntabwo ions ni ibintu bidakora ionize mumazi. Ionisation ni ugutandukanya electrolyte muburyo bwa section yubusa muburyo bwihariye, nk'amazi cyangwa inzoga. Kurugero, umunyu turya burimunsi - sodium chloride (nacl) gushonga mumazi na ionale kugirango bikore sodium yigenga kubuntu (na +) hamwe nibirego byiza na chloride ion. Nibyo, HPMC mumazi ntabwo itandukanya ions, ariko ibaho nka molekile.

10. Bifitanye isano n'ubushyuhe bwa Gel bwa hydroxypropyl methyl selile?

- Igisubizo: Ubushyuhe bwa Gel yaHpmcbifitanye isano nuburyo bubiri, hepfo uburyo bubiri ↓, hejuru yubushyuhe bwa gel.

11, ifu ifu ifu na hpmc nta sano?

Igisubizo: Ifu ya Putty yagabanije ifu cyane cyane hamwe nubwiza bwa Ash Calcium ifite umubano munini cyane, kandi HPMC ntabwo ifite umubano munini cyane. Ibirimo byo hasi bya calcium ya gray calcium hamwe nigipimo kidakwiye cya cao na ca (oh) 2 mumibura yijimye bizatera ifu. Niba hari umubano muto na HPMC, hanyuma ukubaza amazi ya HPMC, bizanatera ifu.

12, HydroxyPropyl Methyl Cellulose Amazi akonje ashonga kandi ashyushye cyane mubikorwa byumusaruro ni irihe tandukaniro ki?

- Igisubizo: HPMC y'amazi akonje ako kanya igisubizo ako kanya ni nyuma yo kuvura hejuru ya glyoxal, shyira mumazi akonje yatatanye vuba, ariko ntabwo aseswa, vicositines hejuru, irashonga. Ubwoko bwa thermosososon ntibwavuwe hamwe na glegoxal. Umubare wa glegox ni munini, gutatanya birihuta, ariko viscosiya iratinda, amafaranga ni mato, kubinyuranye.

13, HydroxyPropyl Methyl Cellulose (HPMC) Impumuro ni imeze?

- Igisubizo: HPMC yakozwe nuburyo bworoshye bugizwe na toluene na isopropyl inzoga. Niba gukaraba atari byiza cyane, hazaba uburyohe busigaye.

14, uburyo butandukanye, uburyo bwo guhitamo hydroxyproppopyl methyl selile (HPMC)?

- Igisubizo: Kurambirwa no gusaba ifu yumwana: Icyifuzo kiri hasi, vicosity ibihumbi 100, ni ngombwa kurinda amazi kuba hafi. Porogaramu ya mirtar: Ibisabwa byinshi, ibisabwa byishimo byinshi, ibihumbi 150 kugirango babe byiza. Gusaba Glue: Gukenera ibicuruzwa byihuse, viso ndende.

15.Ni ubuhe busohora bwa hydroxypropyl methyl selile?

– ANSWER: Hydroxypropyl Methyl Cellulose, Abbreviated as HPMC or MHPC, or Hydroxypropyl Methyl Cellulose; Ubugari bwa CellroxyPropyl Methyl ether; HYPROMMOMELLOSE, TOLLULULOSE, 2-HYDROXYPropyl Methyl Methyl Tliver.

16.HPMC mugusaba ifu ya putty, ifu ya putty bubble niyihe mpamvu?

Igisubizo: HPMC mubutaka bwa Putty, bwiganye, amazi nubwubatsi bwinshingano eshatu. Kutitabira reaction. Impamvu zitera bubbles: 1, amazi menshi. 2, hepfo ntabwo yumye, hejuru yikibanza cyo gusiba, nabyo byoroshye kubyimba.

17. Ni irihe tandukaniro riri hagati ya HPMC na MC?

- Igisubizo: MC ni methyl selile, ikozwe muri selile nkurikije urukurikirane rw'imyitwarire hamwe na chloride ya methane nk'umukozi ushimishije nyuma yuko ipamba inoze ifatwa na alkali. Mubisanzwe, urwego rwo gusimburwa ni 1.6 ~ 2.0, kandi kwikebana biratandukanye nurwego rwo gusimbuza. Ni uw'itungiri.

. Muri rusange ongeraho amafaranga menshi, ubunebwe buto, stosity, igipimo cyo kugumana amazi ni kinini. Muri bo, umubare w'abashongora ufite uruhare runini mu kugumana amazi, kandi virusi ntabwo igereranya no kugumana amazi. Igipimo cyo gusebanya cyane cyane giterwa no kurenga kurwego rwo guhinduranya hejuru yuburyo bwa selile. Muri ayahe makuru yavuzwe haruguru, Methyl selile na hydroxyPropyl methyl igipimo cy'amazi yo kugumana amazi ya selile ni hejuru.

(2) Methyl selile irashonga mumazi akonje, bigoye gushonga mumazi ashyushye. Igisubizo cyacyo gihamye cyane muri PH = 3 ~ 12. Ifite ubusobanuro bwiza hamwe nigitako, Guanidine gum hamwe na benshi. Gelasiyo ibaho iyo ubushyuhe bugera ku bushyuhe bwa Farlation.

(3) Guhindura ubushyuhe bigira ingaruka zikomeye ku muvuduko w'amazi wa methyl selile. Mubisanzwe, hejuru yubushyuhe, ihohoterwa rikabije. Niba ubushyuhe bwa minitar burenze 40 ℃, kugumana amazi ya methyl kutubahiriza cyane, bigira ingaruka zikomeye kubwubaji bwa minisiteri.

. "Imyitozo" hano yerekeza ku mukozi uhwanye n'umukozi hagati yacyo n'urukuta, aribyo kurwanya minisiteri. Imbaraga za minisiteri ni nini, irwanya imirima ni nini, imbaraga zisabwa n'abakozi mu nzira yo gukoresha nanini, kandi kubaka miniko ni umukene. Mu bicuruzwa bya selile biruka, umutsima wa methyl selile ni kurwego ruciriritse.

HPMC kuri HydroxyPropyl Methyl Cellulose, inonosowe na parikingi nyuma yo kuvura alkali, hamwe na propamelene nkabakozi bakurikiranwa na selile ivanze na selile ivanze ether. Urwego rwo gusimbuza ni 1.2 ~ 2.0. Imitungo yayo iratandukanye hamwe nigipimo cya uburyo na hydroxyProppopyl.

(1) HydroxyPropyl Methyl Cellulose irashonga byoroshye mumazi akonje, bigoye gushonga mumazi ashyushye. Ariko, ubushyuhe bwa pelale mumazi ashyushye biragaragara ko biruta ubw'indirimbo ya methyl. Kukesha kwa methyl selile mumazi akonje nacyo byateye imbere cyane.

. Ubushyuhe bugira ingaruka kandi kuri victosity. Vicosity igabanuka nkubushyuhe bwiyongera. Ariko imbaraga zayo zirenze ubushyuhe buri munsi ya methyl selile. Igisubizo kirahagaze mugihe kibitswe mubushyuhe bwicyumba.

. Amazi ya Caustic Soda na Lime ntacyo agira ku miterere yacyo, ariko alkali irashobora kwihutisha igipimo cyayo cyo gusebanya no kunoza ubukuru. HydroxyPropyl Methyl Cellulose irahamye kunyunyuza rusange, ariko iyo kwibanda ku gisubizo cyumunyu hejuru, visosity ya hydroxyProppeyl methyl ikunda kwiyongera.

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. Nka polyvinyl inzoga, ibinyamisoni ether, komeza yimboga nibindi.

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18. Ni iki kigomba kwitabwaho muburyo bukoreshwa mumibanire iri hagati ya viccosity nubushyuhe bwa HPMC?

IGISUBIZO: viscosity yaHpmcni kugereranya ubushyuhe, ni ukuvuga, viscosity yiyongera hamwe no kugabanuka k'ubushyuhe. Iyo tuvuze kuri viscosity yibicuruzwa, turimo tuvuga vicosity ya 2% yibicuruzwa mumazi kuri dodensige 20.

Mubikorwa bifatika, mubice bifite ubushyuhe bunini hagati yizuba nimbeho, byasabwaga gukoresha ubushyuhe buke ugereranije nimbeho, bikubera byiza kubaka. Bitabaye ibyo, iyo ubushyuhe buri buke, vino ya selile iziyongera, kandi iyo ikuraho, kumva bizaba biremereye.

Hagati ya Viscosity: 75000-100000 ikoreshwa cyane cyane kugirango ikore.

Impamvu: Kugumana amazi meza.

Abasuye cyane: 150000-200000 bakoreshwa cyane cyane ku bice bya polystyrene ifu y'ifu ya rubanda y'imyenda ya rubber hamwe na pergad ya vitrified.

Impamvu: virusi yo hejuru, minisiteri ntabwo byoroshye guta, gutembera, kuzamura kubaka.

Ariko muri rusange, ubusanzwe viscosiyani, ni byiza kugumana amazi, kunganda nyinshi zumye, koresha ikiguzi, koresha violilose ya selile (757-100000) kugirango usimbuze violcosity kandi nkeya) kugirango ugabanye amafaranga wongeyeho.