1. Igama lomkhiqizo:
01. Igama lamakhemikhali: Hydroxypropyl methylcellulose
I-02. Igama eligcwele ngesiNgisi: I-Hydroxypropyl methyl cellulose
03. Isifinyezo sesiNgisi: I-HPMC
2. Izakhiwo zenyama nezamakhemikhali:
01. Ukubukeka: I-powder emhlophe noma emhlophe.
02. Ubukhulu bezinhlayiyana; izinga lokuphasa le-100 mesh likhulu kune-98.5%; Izinga lokuphasa le-80 mesh likhulu kune-100%.
03. Ukushisa kwe-Carbonization: 280 ~ 300 ℃
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I-05. Ukushisa kwe-Discoloration: 190 ~ 200 ℃
I-06. Ukungezwani komhlaba
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Izisombululo ezinamanzi zisebenza endaweni engaphezulu. Ukucaca okuphezulu, ukusebenza okuzinzile, izinga lokushisa le-gel lemikhiqizo elinemininingwane ehlukile
Different, the solubility changes with the viscosity, the lower the viscosity, the greater the solubility, the performance of different specifications of hydroxypropyl methylcellulose (HPMC) has certain differences, the dissolution of hydroxypropyl methylcellulose (HPMC) in water is not affected PH value effect .
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I-09. I-Hydroxypropyl Methylcellulose (HPMC) futhi inekhono elikhulayo, ukumelana nosawoti, ukuqina kwe-ph, ukugcinwa kwamanzi, indawo ebanzi yokuphikiswa kwe-enzyme, izici zokuhlakazeka ezinjengezocansi nokunamathela
Izici ezintathu, zeHydroxypropyl Methylcellulose (HPMC):
Umkhiqizo uhlanganisa izakhiwo eziningi zomzimba nezamakhemikhali ukuze ube ngumkhiqizo oyingqayizivele ngokusetshenziswa okuningi, futhi izakhiwo ezahlukahlukene zingokulandelayo:
(1) Ukugcinwa kwamanzi: Kungabamba amanzi ezindaweni eziphakemeyo ezinjengamabhodi odonga nezitini.
(2) Ukwakheka kwamafilimu: Kungakha ifilimu esobala, enzima futhi ethambile ngokumelana kahle kwamafutha.
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(5) Umsebenzi ongaphezulu
(6) Ukumiswa: Kungavimbela imvula yezinhlayiya eziqinile, ngaleyo ndlela ivingele ukwakheka kwe-sediment.
(7) I-colloid evikelayo: Kungavimbela amaconsi nezinhlayiya kusuka ekuhlanganeni noma ekuhlanganiseni.
(8) Ukunamathela: Kusetshenziswe njengokunamathela kwemibala, imikhiqizo kagwayi, nemikhiqizo yamaphepha, inokusebenza okuhle kakhulu.
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(11) Ukuqina kwe-acid-base: kufanelekile ukusetshenziswa ngaphakathi kwe-PH3.0-11.0.
(12) Akunambitha futhi awunaphutha, akuthinteki nge-metabolism; Kusetshenziswa njengokudla nezithasiselo zezidakamizwa, ngeke zihlangane ekudleni futhi ngeke zinikeze amakhalori.
4. I-Hydroxypropylm methylcellulose (HPMC) indlela yokuqothula:
Lapho imikhiqizo ye-hydroxypropylll (HPMC) ingezwe ngqo emanzini, izohamba bese iyancibilika, kepha lokhu kuchithwa kuhamba kancane futhi kunzima. Kunezindlela ezintathu zokuqothula eziphakanyisiwe ngezansi, futhi abasebenzisi bangakhetha indlela elula kakhulu ngokuya ngokusetshenziswa kwabo:
1. Hot water method: Since hydroxypropyl methylcellulose (HPMC) does not dissolve in hot water, the initial stage of hydroxypropyl methylcellulose (HPMC) can be evenly dispersed in hot water, and then when it is cooled, three A typical method is described as kulandela:
1). Faka inani elidingekayo lamanzi ashisayo esitsheni bese usishisa cishe ku-70 ° C. Kancane kancane engeza i-hydroxypropylll methylcellulose (HPMC) ngaphansi kokuvuselelwa kancane, i-hpdroxypropyll methylcellulose (HPMC) iqala ukuntanta ebusweni bamanzi, bese kancane kancane yakha kancane kancane,
2). Shita 1/3 noma 2/3 (inani elidingekayo) lamanzi esitsheni bese lilishisa ku-70 ° C. Ngokwendlela ye-1), isabalalisa i-hydroxypropyll methylcellulose (HPMC) ukulungiselela inani elishisayo lamanzi bese wengeza inani elisele lamanzi abandayo noma amanzi eqhwa esitsheni, bese wengeza i-hydroxpelloselproselpyprosel methy to the Amanzi abandayo, futhi uvuse, bese upholisa ingxube.
3). Faka u-1/3 noma 2/3 wenani elidingekayo lamanzi esitsheni bese usishisa ku-70 ° C. Ngokwendlela ye-1), isabalalisa i-hydroxypropylll methylcellulose (HPMC) ukulungiselela ama-slurry amanzi ashisayo; Inani elisele lamakhaza noma lamanzi eqhwa selingezwa kumanzi ashisayo amanzi futhi ingxube ipholile ngemuva kokuvusa.
2 . I-3. Indlela ye-Organic Solvent ye-Organic: I-Pre-isatshalaliswa noma i-Wet Hydroxypropyll Methylcellulose (HPMC) nge-sollel ye-organic efana ne-ethanol, ethylene glycol noma uwoyela, bese uyiqeda emanzini. Ngalesi sikhathi, i-hydroxypropyl methylcellulose (HPMC) nayo ingachithwa kahle.
5. Ukusetshenziswa okuyinhloko kwe-hydroxypropylllylylylyl (HPMC):
I-Hydroxypropylm methylcellulose (HPMC) ingasetshenziswa njenge-persener, ehlakazekile, emulsifier kanye ne-ejenti eyakha ifilimu. Imikhiqizo yayo yebanga lezimboni ingasetshenziswa kumakhemikhali nsuku zonke, ama-elekthronikhi, ama-sonthetic resins, ekwakheni nasekugqokeni.
1. Ukumiswa kwe-polymerization:
Ekwenziweni kwama-resin zokwenziwa afana ne-polyvinyl chloride (PVC), i-polyvinylidene chloride namanye ama-copolymers, ukumiswa kwe-polymerization kuvame ukusetshenziswa kakhulu futhi kuyadingeka ukuqinisa ukumiswa kwama-monomer ama-hydrophobic emanzini. Njenge-polymer engenamanzi, imikhiqizo ye-Hydroxypropyl Methylcellulose (HPMC) inomsebenzi omuhle kakhulu we-suple futhi usebenze njenge-ejenti evikelayo yokuvikela, engavimba ngempumelelo ukuhlanganiswa kwezinhlayiya ze-polymer. Ngaphezu kwalokho, yize i-hydroxypropmetylcelcelcelcelcellellellellellellellellellellellellellellellellellellellellellellellellellellel, futhi incane kancane kumamomothi we-hydrophobic futhi inyusa i-poromers ama-monomer lapho izinhlayiya ze-polymeric zikhiqizwa khona, ukuze zikwazi ukuhlinzeka ama-polymers ngama-monomers asele futhi uthuthukise ukumuncwa kwamapulasitiki.
2. Ekwakhiweni kwezinto zokwakha, i-hydroxypropyl methylcellulose (HPMC) ingasetshenziselwa:
1). I-ejenti yokunamathela ne-caulking ye-gypsum esekelwe ekunamatheleni;
2). Ukubopha izitini ezenzelwe usimende, amathayili nezisekelo;
3). I-stucco esekwe eceleni;
4). Uhlamvu lwesakhiwo olususelwa kusosimende;
5). Kwifomula yokupenda nopende remover.
Isikhathi sePosi: Meyi-24-2023