Hydroxypropyl Methylcellulose HPMC ubumenyi busanzwe

1. Intego nyamukuru ya HPMC niyihe?

Iki gicuruzwa gikoreshwa nkibibyimbye, bikwirakwiza, bihuza, byoroshye, bitarinze amavuta, byuzuza, emulisiferi na stabilisateur mu nganda z’imyenda. Irakoreshwa kandi cyane mubikorwa bya sintetike, peteroli-chimique, ceramic, impapuro, uruhu, ubuvuzi, ibiryo n'amavuta yo kwisiga.

Ni uruhe ruhareHPMCimbere y'urukuta rw'imbere?

HPMC ifite imirimo itatu: ifu yuzuye yurukuta rwimbere, kubyimba, gufunga amazi no kubaka. Kwishyira hamwe: Methyl selulose irashobora kwibanda mugisubizo kireremba cyangwa amazi yo mumazi kugirango ikomeze imirimo imwe kandi ihamye kandi irinde gutemba no kumanikwa. Gufunga amazi: Ifu y'urukuta rw'imbere yumye gahoro, kandi calcium yongewemo igaragarira mugukoresha amazi. Ubwubatsi bwubwubatsi: Methyl selulose ifite imikorere yo guswera, ishobora gutuma urukuta rwimbere rushyira ifu ifite imiterere myiza yubuhanga. HPMC ntabwo yitabira guhindura imiti yose, ariko igira uruhare mukuzuza. Ifu yimbere yimbere, kurukuta, ni ihinduka ryimiti, kubera ko hariho imiti mishya ihinduka, ifu yimbere yimbere ikurwa kurukuta, igasya, ikongera gukoreshwa, Kuberako hashyizweho ibintu bishya bya chimique (calcium bicarbonate). Ibice byingenzi bigize ifu ya calcium yumukara ni: uruvange rwa Ca (OH) 2, CaO hamwe na CaCO3 nkeya, CaO + H2O = Ca (OH) 2 —Ca (OH) 2 + CO2 = CaCO3 ↓ + H2O calcium yumuhondo mumazi no mwuka Mubikorwa bya CO2, karubone ya calcium ikora, mugihe HPMC igumana amazi meza kandi ikagira uruhare muburyo bwiza bwa calcium.

3. Uburyo bwo gusuzuma ubuziranenge bwaHPMCmu buryo bworoshye kandi bwihuse?

. Nyamara, ibicuruzwa byiza bifite umweru mwiza. . Nibyiza, nibyiza muri rusange. . Kurenza ukohereza, nibyiza, byerekana ko imbere bitagaragara neza. . Ubushobozi bwa reaction ya vertical reaction muri rusange nibyiza, kandi reaction ya horizontal iba mibi, ariko ntibisobanuye ko ubwiza bwa reaction ya vertical iruta iy'ibikorwa bya horizontal. Ubwiza bwibicuruzwa buracyagenwa nimpamvu nyinshi. (4) Igipimo: Iyo igipimo kinini, kiremereye ni cyiza. Umwihariko wo muri rusange uterwa na hydroxypropyl nyinshi irimo, kandi uko hydroxypropyl iri hejuru, niko gufata amazi neza.

4. Ni iki gikwiye kwitabwaho mugihe ukoresheje ubukonje n'ubushyuhe bwa HPMC?

Ubukonje bwa HPMC buragereranywa nubushyuhe, ni ukuvuga ko ubukonje bwiyongera uko ubushyuhe bugabanuka. Mubisanzwe tuvuga ko ubwiza bwibicuruzwa bivuga ibisubizo byo kugerageza igisubizo cyacyo cya 2% cyamazi mubushyuhe bwa dogere selisiyusi 20. Mubikorwa bifatika, mubice bifite itandukaniro rinini ryubushyuhe hagati yizuba nimbeho, twakagombye kumenya ko bisabwa gukoresha ubukonje buke ugereranije nimbeho, bifasha cyane kubaka. Bitabaye ibyo, iyo ubushyuhe buri hasi, ubwiza bwa selile buziyongera, kandi ikiganza kizumva kiremereye mugihe cyakuweho.

5. Ni ubuhe buryo bwo gusesa HPMC?

Uburyo bwo gushonga amazi ashyushye: Kubera ko HPMC idashonga mumazi ashyushye, HPMC irashobora gukwirakwizwa kimwe mumazi ashyushye mugihe cyambere, hanyuma igashonga vuba iyo ikonje. Uburyo bubiri busanzwe busobanurwa gutya: 1). Umubare w'amazi ashyushye kandi ashyushye kuri 70 ° C. Buhoro buhoro ongeramo hydroxypropyl methylcellulose hamwe no gukurura buhoro, tangira HPMC ireremba hejuru y’amazi, hanyuma buhoro buhoro ukora ibishishwa, hanyuma ukonje ibishishwa ukoresheje. 2). Ongeramo 1/3 cyangwa 2/3 by'amazi asabwa muri kontineri hanyuma ubishyuhe kuri 70 ° C. Ukurikije uburyo bwa 1), kwirakwiza HPMC kugirango utegure amazi ashyushye; hanyuma ongeramo amazi asigaye mumazi ashyushye Muri slurry, shyira imvange nyuma yo gukurura. Uburyo bwo kuvanga ifu: vanga ifu ya HPMC nibindi bikoresho byinshi byifu yifu, vanga neza na blender, hanyuma ushyiremo amazi kugirango ushonga, hanyuma HPMC irashobora gushonga muriki gihe itavunitse kandi ikomatanya, kuko buri mfuruka ntoya, hariho akantu gato ka HPMC Ifu izahita ihita iyo ihuye namazi. -Ifu yuzuye ifu nabakora minisiteri bakoresha ubu buryo. [Hydroxypropyl methyl selulose (HPMC) ikoreshwa nkumubyimba mwinshi kandi ugumana amazi mumashanyarazi ya poro. ]

6. Ni ubuhe bwoko bwa HPMC bwongewemo ifu yuzuye?

Umubare waHPMCikoreshwa mubikorwa nyabyo biratandukana bitewe nikirere, ubushyuhe, ubwiza bwa calcium ya ivu yaho, amata yifu ya putty, n "ubuziranenge busabwa nabakiriya". Muri rusange, ni hagati ya 4 kg na 5 kg. Kurugero, ifu ya putty mugushushanya '> Pekin ni kg 5; ifu ya putty muri Guizhou ahanini ni kg 5 mu cyi na 4.5 kg mu gihe cy'itumba; Umubare wa Yunnan wongeyeho ni muto, muri rusange kg 3-kg n'ibindi.