1. Ni ubuhe buryo bukoreshwa bwa hydroxypropyl methylcellulose (HPMC)?
—— Igisubizo: Hydroxypropyl methylcellulose ikoreshwa cyane mubikoresho byubwubatsi, gutwikira, ibisigazwa byubukorikori, ububumbyi, ubuvuzi, ibiryo, imyenda, ubuhinzi, kwisiga, itabi nizindi nganda.Hydroxypropyl methylcellulose irashobora kugabanywa mubyiciro byubwubatsi, urwego rwibiryo ndetse nicyiciro cya farumasi ukurikije ibisabwa.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), kandi ni irihe tandukaniro mugukoresha?
—— Igisubizo: HPMC irashobora kugabanywa muburyo bwubwoko nubwoko bushyushye.Ibicuruzwa byubwoko bwihuse bikwirakwira vuba mumazi akonje bikabura mumazi.Muri iki gihe, amazi ntagira ubwiza kuko HPMC ikwirakwizwa mumazi gusa nta gushonga nyabyo.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 mugihe gikonje.Uburyo bubiri busanzwe busobanurwa gutya:
1) Shira amazi asabwa muri kontineri hanyuma uyashyuhe kuri 70 ° C.Hydroxypropyl methylcellulose yongeweho buhoro buhoro buhoro buhoro, mu ikubitiro HPMC ireremba hejuru y’amazi, hanyuma buhoro buhoro ikora ibibyimba, bikonjeshwa bikurura.
2), ongeramo 1/3 cyangwa 2/3 by'amazi asabwa muri kontineri, hanyuma ubishyuhe kugeza kuri 70 ° C, ukwirakwiza 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.
4. Nigute dushobora gusuzuma ubwiza bwa hydroxypropyl methylcellulose (HPMC) byoroshye kandi byihuse?
—— Igisubizo: (1) Kwera: Nubwo umweru udashobora kumenya niba HPMC yoroshye gukoresha, kandi niba ibikoresho byera byongeweho mugihe cyibikorwa, bizagira ingaruka kumiterere yabyo.Nyamara, ibyinshi mubicuruzwa byiza bifite umweru mwiza.(2) Ubwiza: Ubwiza bwa HPMC mubusanzwe bufite mesh 80 na mesh 100, naho mesh 120 ni mike.HPMC nyinshi ikorerwa muri Hebei ni mesh 80.Nibyiza, mubisanzwe, nibyiza..Ninini yohereza urumuri, nibyiza, byerekana ko harimo ibidashobora gukemuka muri byo..Ubucucike bwa reaction ya vertical muri rusange nibyiza, kandi nibya reaction ya horizontal ni bibi, ariko ntibisobanuye ko ubwiza bwa reaction ya vertical iruta iya reaction ya horizontal, kandi ubwiza bwibicuruzwa bugenwa nibintu byinshi.(4) Uburemere bwihariye: Ninini nini ya rukuruzi, niko iremereye.Umwihariko ni munini, muri rusange kubera ko ibiri mu itsinda rya hydroxypropyl muri yo ari byinshi, kandi ibikubiye mu itsinda rya hydroxypropyl ni byinshi, gufata amazi ni byiza.
5. Ni ubuhe bwoko bwa hydroxypropyl methylcellulose (HPMC) mu ifu ya putty?
—— Igisubizo: Ingano ya HPMC ikoreshwa mubikorwa bifatika iratandukanye bitewe nikirere, ubushyuhe, ubwiza bwa calcium yivu yaho, amata yifu yifu n "ubuziranenge busabwa nabakiriya".Muri rusange, hagati ya kg 4 na 5 kg.Kurugero: ibyinshi byifu ya putty i Beijing ni kg 5;ifu ya putty muri Guizhou ni kg 5 mu cyi na 4.5 kg mu gihe cy'itumba;ingano ya putty muri Yunnan ni ntoya, mubisanzwe kg 3 kugeza kg 4, nibindi.
6. Ni ubuhe buryo bukwiye bwa hydroxypropyl methylcellulose (HPMC)?
—— Igisubizo: Mubisanzwe, 100.000 yuan birahagije kugirango ifu yuzuye, 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.
7. 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.Iyifite ubukonje bwinshi ifite amazi meza, ugereranije (ntabwo rwose), naho iyifite ubukana bwinshi ikoreshwa neza muri sima ya sima.
8. Nibihe bikoresho nyamukuru bya hydroxypropyl methylcellulose (HPMC)?
—— Igisubizo: Ibikoresho nyamukuru bya hydroxypropyl methylcellulose (HPMC): ipamba inoze, methyl chloride, okiside ya propylene, nibindi bikoresho fatizo, soda ya caustic, aside, toluene, isopropanol, nibindi.
9. Ni ubuhe butumwa nyamukuru bwo gukoresha HPMC mu ifu yuzuye, kandi bibaho muburyo bwa shimi?
—— Igisubizo: Mu ifu yuzuye, HPMC ifite uruhare runini rwo 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 yitabira reaction ubwayo.
10. HPMC ni ether ya selile idafite selile, none non-ionic niki?
—— Igisubizo: Mu magambo y’abalayiki, ibitari ion ni ibintu bidatera ioni 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 ion ya chloride (Cl) byashizwemo nabi.Nukuvuga ko, iyo HPMC ishyizwe mumazi, ntabwo izitandukanya na ion zashizwemo, ahubwo ibaho muburyo bwa molekile.
11. Ubushyuhe bwa gel bwa hydroxypropyl methylcellulose bufitanye isano niki?
—— Igisubizo: Ubushyuhe bwa gel bwa HPMC bujyanye nibirimo.Hasi ya mikorerexy ↓, nubushyuhe bwa gel ↑.
12. Haba hari isano hagati yigitonyanga cyifu ya HPMC?
—— Igisubizo: Gutakaza ifu yifu ya putty bifitanye isano ahanini nubwiza bwa calcium yivu, kandi ntaho bihuriye 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.Kubwimpamvu zihariye, nyamuneka reba ikibazo 9.
13. Ni irihe tandukaniro riri hagati yubwoko bwamazi akonje nubwoko bushyushye bwa hydroxypropyl methylcellulose mugikorwa cyo kubyara?
—— Igisubizo: Amazi akonje ako kanya ubwoko bwa HPMC buvurwa hejuru na glyoxal.Ikwirakwira vuba mumazi akonje, ariko ntishonga rwose.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. Umunuko wa hydroxypropyl methylcellulose (HPMC) ni uwuhe?
—— Igisubizo: HPMC yakozwe nuburyo bwo gukemura ikoresha toluene na isopropanol nkumuti.Niba gukaraba atari byiza cyane, hazabaho impumuro isigaye.
15. Nigute ushobora guhitamo hydroxypropyl methylcellulose (HPMC) kubwimpamvu zitandukanye?
—— Igisubizo: Gukoresha ifu ya putty: ibisabwa ni bike, kandi ibishishwa 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.
16. Ni irihe zina rya hydroxypropyl methylcellulose?
—— Igisubizo: Hydroxypropyl Methyl Cellulose, Icyongereza: Hydroxypropyl Methyl Cellulose Amagambo ahinnye: HPMC cyangwa MHPC Alias: Hypromellose;Cellulose hydroxypropyl methyl ether;Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether.Cellulose hydroxypropyl methyl ether Hyprolose.
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. Shira amazi menshi.2. Igice cyo hasi ntabwo cyumye, kuraho ikindi gice hejuru, kandi biroroshye kubira ifuro.
18. Ni ubuhe buryo bukoreshwa bw'ifu ya putty y'urukuta rw'imbere n'inyuma?
—— Igisubizo: Ifu yuzuye kurukuta rwimbere: calcium iremereye 800KG yumunyu mwinshi wa calcium 150KG (ether ya krahisi, icyatsi kibisi, pentagentite, aside citric, polyacrylamide, nibindi birashobora kongerwaho uko bikwiye)
Ifu yo hanze yometseho ifu: sima 350KG calcium iremereye 500KG quartz umucanga 150KG ifu ya latx 8-12KG selulose ether 3KG ibinyamisogwe ether 0.5KG fibre yibiti 2KG
19. Ni irihe tandukaniro riri hagati ya HPMC na MC?
—— Igisubizo: MC ni methyl selulose, ikozwe muri ether ya selulose mu kuvura ipamba inoze hamwe na alkali, ukoresheje chloride metani nka agent ya etherification, kandi unyuze mubitekerezo.Mubisanzwe, urwego rwo gusimburwa ni 1.6 ~ 2.0, kandi gukemura nabyo biratandukanye hamwe nimpamyabumenyi zitandukanye zo gusimburwa.Nibya non-ionic selulose ether.
.Mubisanzwe, niba umubare wongeyeho ari munini, ubwiza ni buto, kandi ubwiza ni bunini, igipimo cyo gufata amazi ni kinini.Muri byo, ingano y’inyongera igira ingaruka zikomeye ku kigero cyo gufata amazi, kandi urwego rw’ubukonje ntiruhwanye neza n’urwego rwo gufata amazi.Igipimo cyo guseswa ahanini biterwa nurwego rwo guhindura isura ya selile na selile nziza.Muri ethers ya selile yavuzwe haruguru, methyl selulose na hydroxypropyl methyl selulose bifite igipimo kinini cyo gufata amazi.
(2) Methylcellulose irashonga mumazi akonje, kandi bizagorana gushonga mumazi ashyushye.Igisubizo cyamazi cyacyo kirahagaze neza murwego rwa pH = 3 ~ 12.Ifite guhuza neza na krahisi, guar gum, nibindi byinshi na surfactants.Iyo ubushyuhe bugeze ku bushyuhe bwa gelation, gelation iba.
(3) Imihindagurikire yubushyuhe izagira ingaruka zikomeye ku kigero cyo gufata amazi ya methyl selile.Mubisanzwe, uko ubushyuhe buri hejuru, niko gufata amazi ari bibi.Niba ubushyuhe bwa minisiteri burenze 40 ° C, kugumana amazi ya methyl selulose bizagabanuka cyane, bigira ingaruka zikomeye ku iyubakwa rya minisiteri.
(4) Methyl selulose igira ingaruka zikomeye mukubaka no gufatira minisiteri.“Gufatanya” hano bivuga imbaraga zifatika zumvwa hagati yigikoresho gisaba umukozi nu rukuta rwubatswe, ni ukuvuga ubukana bwa minisiteri.Kwizirika hejuru ni byinshi, guhangana na shear ya minisiteri ni nini, kandi imbaraga zisabwa n'abakozi mugikorwa cyo gukoresha nazo nini, kandi imikorere yubwubatsi irakennye.Methyl selile yifata iri murwego ruciriritse mubicuruzwa bya selile.
HPMC ni hydroxypropyl methylcellulose, ikaba ari ether ya selulose ivanze ya ether ikozwe mu ipamba itunganijwe nyuma ya alkalisation, ikoresheje okiside ya propylene na methyl chloride nkibikoresho bya etherification, kandi binyuze mubitekerezo bitandukanye.Urwego rwo gusimburwa muri rusange ni 1.2 ~ 2.0.Imiterere yacyo iratandukanye bitewe numubare utandukanye wibintu bya mikorobe na hydroxypropyl.
(1) Hydroxypropyl methylcellulose irashobora gushonga byoroshye mumazi akonje, kandi izahura ningorane zo gushonga mumazi ashyushye.Ariko ubushyuhe bwacyo bwo mumazi ashyushye buri hejuru cyane ugereranije na methyl selile.Ubushyuhe bwo mumazi akonje nabwo buratera imbere cyane ugereranije na methyl selulose.
(2) Hydroxypropyl methylcellulose ihamye kuri aside na alkali, kandi igisubizo cyayo cyamazi kirahagaze neza murwego rwa pH = 2 ~ 12.Soda ya Caustic n'amazi ya lime ntacyo bihindura mubikorwa byayo, ariko alkali irashobora kwihutisha iseswa ryayo kandi ikongera ububobere bwayo.Hydroxypropyl methylcellulose ihagaze neza kumunyu usanzwe, ariko iyo ubunini bwumuti wumunyu mwinshi, ubwiza bwumuti wa hydroxypropyl methylcellulose bikunda kwiyongera.
.Nka alcool ya polyvinyl, ibinyamisogwe ether, amase y'imboga, nibindi.
.
.
20. Ni iki gikwiye kwitabwaho mugushira mubikorwa isano iri hagati yubukonje nubushyuhe bwa hydroxypropyl methylcellulose?
—— Igisubizo: Ubukonje bwa HPMC buringaniye butandukanye nubushyuhe, ni ukuvuga ko 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 ryinshi 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.
Hagati ya viscosity: 75000-100000 ikoreshwa cyane muri putty
Impamvu: gufata neza amazi
Ubukonje bwinshi: 150000-200000 Byakoreshejwe cyane cyane mubice bya polystirene yubushyuhe bwa minisiteri yimbuto ya rubber na vitamine ya microbead yumuriro wa minisiteri.
Impamvu: Ubukonje buri hejuru, minisiteri ntabwo yoroshye kugwa, sag, kandi kubaka biratera imbere.
Ariko muri rusange, uko ubukonje buri hejuru, niko gufata amazi ari byiza.Kubwibyo, urebye ikiguzi, inganda nyinshi zumye zumye zisimbuza selulose yo hagati kandi ntoya (20000-40000) hamwe na selile (20000-40000) igabanya ubukana bwiyongera.
Igihe cyo kohereza: Ugushyingo-17-2022