I-Hydroxypropyl Methylcellulose
I-HydroxypropylMi-ethylcellulose (HPMC) noma i-hypromellosekuyinto esuselwe ku-derivatives i-Methyl cellulose ama-ether. Ikonai-fibrous noma i-granular emhlophe noma engabonakali kahlei-cellulose etherimpuphu. Okwamanje iyi-cellulose ama-ether ngokusebenza okuhle kakhulu emhlabeni, okuhlanganisa ukuqina, ukumiswa, ukuhlakazwa, ukuhlanganiswa kanye nokuzinzisa. I-Hydroxypropyl methyl cellulose (HPMC) ayinobuthi, kulula ukuyisebenzisa, futhi incibilika kalula emanzini. Iyi-polyanion esisombululo samanzi futhi inezakhiwo zomzimba ezihlukile. Ukusebenza okukhethekile kuyi njengoba kungezansi:
Ukucaciswa Komzimba Nokwekhemikhali
| Imininingwane | I-HPMC60E( 2910) | I-HPMC65F( 2906) | I-HPMC75K( 2208) |
| Izinga lokushisa lejeli (℃) | 58-64 | 62-68 | 70-90 |
| I-Methoxy (WT%) | 28.0-30.0 | 27.0-30.0 | 19.0-24.0 |
| I-Hydroxypropoxy (WT%) | 7.0-12.0 | 4.0-7.5 | 4.0-12.0 |
| Ukuqina (i-cps, isixazululo esingu-2%) | 3, 5, 6, 15, 50,100, 400,4000, 10000, 40000, 60000,100000,150000,200000 | ||
I-HPMC yezinga lokwakha
| Ukwakhiwa Gi-HPMC ye-rade | Ukuqina (NDJ, mPa.s, 2%) | Ukuthamba (Brookfield, mPa.s, 2%) |
| I-HPMCMP400 | 320-480 | 320-480 |
| I-HPMCI-MP60M | 48000-72000 | 24000-36000 |
| I-HPMCI-MP100M | 80000-120000 | 40000-55000 |
| I-HPMCI-MP150M | 120000-180000 | 55000-65000 |
| I-HPMCI-MP200M | 180000-240000 | 70000-80000 |
I-HPMC yezinga lokugeza
| IsithambisiGi-HPMC ye-rade | Ukuqina (NDJ, mPa.s, 2%) | Ukuthamba (Brookfield, mPa.s, 2%) |
| I-HPMCI-MP100MS | 80000-120000 | 40000-55000 |
| I-HPMCI-MP150MS | 120000-180000 | 55000-65000 |
| I-HPMCI-MP200MS | 180000-240000 | 70000-80000 |
I-HPMC yebanga lobumba
| I-Ceramic Gi-HPMC ye-rade | Ukuqina (NDJ, mPa.s, 2%) | Ukuthamba (Brookfield, mPa.s, 2%) |
| I-HPMCI-MP4M | 3200-4800 | 3200-4800 |
| I-HPMCI-MP6M | 4800-7200 | 4800-7200 |
| I-HPMCI-MP10M | 8000-12000 | 8000-12000 |
I-HPMC yezinga lobuhle
| Ubuhle Gi-HPMC ye-rade | Ukuqina (NDJ, mPa.s, 2%) | Ukuthamba (Brookfield, mPa.s, 2%) |
| I-HPMCI-MP60MS | 48000-72000 | 24000-36000 |
| I-HPMCI-MP100MS | 80000-120000 | 40000-55000 |
| I-HPMCI-MP200MS | 160000-240000 | 70000-80000 |
I-HPMC yezinga lemithi
| I-HPMC yezinga lemithi | Ukuqina (cps) | Isaziso |
| I-HPMC60E5 (E5) | 4.0-6.0 | I-HPMCI-Hypromellose 2910 |
| I-HPMC60E6 (E6) | 4.8-7.2 | |
| I-HPMC60E15 (E15) | 12.0-18.0 | |
| I-HPMC60E4000 (E4M) | 3200-4800 | |
| I-HPMC65F50 (F50) | 40-60 | I-HPMCI-Hypromellose 2906 |
| I-HPMC75K100 (K100) | 80-120 | I-HPMCI-Hypromellose 2208 |
| I-HPMC75K4000 (K4M) | 3200-4800 | |
| I-HPMC75K100000 (K100M) | 80000-120000 |
I-HPMC yebanga le-PVC
| I-PVC izinga le-HPMC | Ukuqina (cps) | Isaziso |
| I-HPMC60E50(E5)0) | 40-60 | I-HPMC |
| I-HPMC65F50 (F50) | 40-60 | I-HPMC |
| I-HPMC75K100 (K100) | 80-120 | I-HPMC |
I-HPMC yezinga lokudla
| Ukudla izinga le-HPMC | Ukuqina (cps) | Isaziso |
| I-HPMC60E5 (E5) | 4.0-6.0 | I-HPMC E464 |
| I-HPMC60E15 (E15) | 12.0-18.0 | |
| I-HPMC65F50 (F50) | 40-60 | I-HPMC E464 |
| I-HPMC75K100000 (K100M) | 80000-120000 | I-HPMC E464 |
| MC 55A30000(MX0209) | 24000-36000 | I-MethylcelluloseI-E461 |
Izici:
1. Ukuncibilika: Cishe ayincibiliki ku-ethanol ephelele, i-ether kanye ne-acetone, futhi incibilika ibe yisisombululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo. Ingancibilika kwezinye izinyibilikisi eziphilayo, futhi ingancibilika kusisombululo esixubile sezinyibilikisi zamanzi-zemvelo.
2. Ukumelana nosawoti: Kuzinzile ezixazululweni zamanzi lapho kukhona usawoti wensimbi noma ama-electrolyte e-organic.
3. Umsebenzi womphezulu: ingasetshenziswa njenge-colloid protectant, i-emulsifier kanye ne-dispersant.
4. Ukuzinza kwe-PH: Inani le-PH lizinzile phakathi kuka-3.0 ~ 11.0. I-viscosity yesisombululo samanzi ayithinteki kakhulu yi-asidi noma i-alkali.
Ifomula yama-molecule:
〔C6H7O2(OH)3-mn(OCH3)m(OCH2CH(OH)CH3)n]x
Ifomula yokwakheka kwama-molecule:
Ukusetshenziswa kwe-HPMC:
Hi-ydroxypropyl methylcellulose(HPMC) ingasetshenziswa njenge-thickener, dispersant, emulsifier, kanye ne-ejenti yokwakha ifilimu, njll.UkwakhiwaIbanga I-HPMC imikhiqizo ingasetshenziswa kumakhemikhali ansuku zonke, kuma-elekthronikhi, kuma-resin okwenziwa, ekwakheni nasekumbozeni, ezingeni lemithi I-HPMC ingasetshenziswa ku-ukugqoka kwethebhulethi, njll., kanye nezinga lokudla I-HPMC ingasetshenziswa njengezithasiselo zokudla ezahlukahlukene.
Umhlahlandlela we-HPMCImiyalelo:
1. Indlela yamanzi ashisayo: Engeza i-1/3 noma i-2/3 yamanzi esitsheni bese uwashisa abe ngaphezu kwama-80. I-hydroxypropyl methyl cellulose yokuqala(HPMC) Kungasakazwa ngokulinganayo emanzini ashisayo, bese ufaka inani elisele lamanzi abandayo ku-slurry yamanzi ashisayo, epholile ngemva kokuyixuba.
2. Indlela yokuxuba i-powder: hlanganisa i-hydroxypropyl methyl cellulose(HPMC) impuphu enezithako eziningi zempuphu, uyihlakaze kahle ngokuxuba okomile, bese ufaka amanzi ukuze uyincibilikise.
3. Indlela yokumanzisa i-organic solvent: qala ngokuhlakaza noma ngokumanzisa i-hydroxypropyl methyl cellulose (HPMC) nge-solvent ephilayo, bese ufaka amanzi ukuze uyincibilikise.
Isitoreji:
zivalwe endaweni epholile neyomile.
Isikhathi sokuphelelwa yisikhathi:
iminyaka emithathu
Ukupakisha:
Isikhwama sephepha esingamakhilogremu angu-25 nomaifayibha isigubhu
Isikhathi sokuthunyelwe: Jan-01-2024