Hydroxypropyl Methylcellulose
HydroxypropylMethylcellulose (HPMC) los yog hypromelloseyog ib qho derivatives cov tshuaj methylcellulose cov ethers. Nws yogib qho dawb los yog tawm-dawb fibrous los yog granularcellulose etherhmoov. Tam sim no nws yog cellulose cov ethers nrog rau qhov kev ua tau zoo tshaj plaws hauv ntiaj teb, kev sib xyaw ua ke thickening, suspending, dispersing, emulsifying thiab stabilizing. Hydroxypropyl methyl cellulose (HPMC) tsis muaj tshuaj lom, yooj yim siv, thiab yooj yim yaj hauv dej. Nws yog polyanion hauv cov kua dej thiab muaj cov khoom tshwj xeeb. Kev ua tau zoo tshwj xeeb yog raws li qw:
Cov Lus Qhia Txog Lub Cev Thiab Tshuaj
| Cov Lus Qhia Tshwj Xeeb | HPMC60E( 2910) | HPMC65F( 2906) | HPMC75K( 2208) |
| Kub ntawm cov kua nplaum (℃) | 58-64 | 62-68 | 70-90 |
| Methoxy (WT%) | 28.0-30.0 | 27.0-30.0 | 19.0-24.0 |
| Hydroxypropoxy (WT%) | 7.0-12.0 | 4.0-7.5 | 4.0-12.0 |
| Viscosity (cps, 2% Tshuaj) | 3, 5, 6, 15, 50,100, 400,4000, 10000, 40000, 60000,100000,150000,200000 | ||
Kev tsim kho qib HPMC
| Kev Tsim Kho Gkev lag luam HPMC | Viscosity (NDJ, mPa.s, 2%) | Viscosity (Brookfield, mPa.s, 2%) |
| HPMCMP400 | 320-480 | 320-480 |
| HPMCMP60M | 48000-72000 | 24000-36000 |
| HPMCMP100M | 80000-120000 | 40000-55000 |
| HPMCMP150M | 120000-180000 | 55000-65000 |
| HPMCMP200M | 180000-240000 | 70000-80000 |
Cov tshuaj ntxuav HPMC
| Cov tshuaj ntxuav tesGkev lag luam HPMC | Viscosity (NDJ, mPa.s, 2%) | Viscosity (Brookfield, mPa.s, 2%) |
| HPMCMP100MS | 80000-120000 | 40000-55000 |
| HPMCMP150MS | 120000-180000 | 55000-65000 |
| HPMCMP200MS | 180000-240000 | 70000-80000 |
Qib Ceramic HPMC
| Cov khoom siv av nplaum Gkev lag luam HPMC | Viscosity (NDJ, mPa.s, 2%) | Viscosity (Brookfield, mPa.s, 2%) |
| HPMCMP4M | 3200-4800 | 3200-4800 |
| HPMCMP6M | 4800-7200 | 4800-7200 |
| HPMCMP10M | 8000-12000 | 8000-12000 |
Qib tshuaj pleev ib ce HPMC
| Tshuaj pleev ib ce Gkev lag luam HPMC | Viscosity (NDJ, mPa.s, 2%) | Viscosity (Brookfield, mPa.s, 2%) |
| HPMCMP60MS | 48000-72000 | 24000-36000 |
| HPMCMP100MS | 80000-120000 | 40000-55000 |
| HPMCMP200MS | 160000-240000 | 70000-80000 |
Tshuaj qib HPMC
| Tshuaj qib HPMC | Viscosity (cps) | Lus Cim |
| HPMC60E5 (E5) | 4.0-6.0 | HPMCHypromellose 2910 |
| HPMC60E6 (E6) | 4.8-7.2 | |
| HPMC60E15 (E15) | 12.0-18.0 | |
| HPMC60E4000 (E4M) | 3200-4800 | |
| HPMC65F50 (F50) | 40-60 | HPMCHypromellose 2906 |
| HPMC75K100 (K100) | 80-120 | HPMCHypromellose 2208 |
| HPMC75K4000 (K4M) | 3200-4800 | |
| HPMC75K100000 (K100M) | 80000-120000 |
PVC qib HPMC
| PVC qib HPMC | Viscosity (cps) | Lus Cim |
| HPMC60E50(E50) | 40-60 | HPMC |
| HPMC65F50 (F50) | 40-60 | HPMC |
| HPMC75K100 (K100) | 80-120 | HPMC |
Khoom noj khoom haus qib HPMC
| Khoom noj qib HPMC | Viscosity (cps) | Lus Cim |
| HPMC60E5 (E5) | 4.0-6.0 | HPMC E464 |
| HPMC60E15 (E15) | 12.0-18.0 | |
| HPMC65F50 (F50) | 40-60 | HPMC E464 |
| HPMC75K100000 (K100M) | 80000-120000 | HPMC E464 |
| MC 55A30000(MX0209) | 24000-36000 | MethylcelluloseE461 |
Nta:
1. Kev yaj: Nws yuav luag tsis yaj hauv ethanol, ether thiab acetone kiag li, thiab yaj rau hauv cov kua colloidal meej lossis me ntsis turbid hauv dej txias. Nws tuaj yeem yaj rau hauv qee cov organic solvents, thiab kuj tuaj yeem yaj rau hauv cov kuab tshuaj sib xyaw ntawm cov dej-organic solvents.
2. Tsis kam ntsev: Nws ruaj khov heev hauv cov kua dej thaum muaj cov ntsev hlau lossis cov electrolytes organic.
3. Kev ua haujlwm ntawm qhov chaw: nws tuaj yeem siv ua tus tiv thaiv colloid, emulsifier thiab dispersant.
4. PH-ruaj khov: PH tus nqi yog qhov ruaj khov nyob rau hauv qhov ntau ntawm 3.0 ~ 11.0. Lub viscosity ntawm cov kua dej tsis tshua cuam tshuam los ntawm acid lossis alkali.
Cov mis molecular:
〔C6H7O2(OH)3-mn(OCH3)m(OCH2CH(OH)CH3)n]x
Cov qauv molecular:
Siv ntawm HPMC:
Hydroxypropyl methylcellulose(HPMC) siv tau ua tus thickener, dispersant, emulsifier, thiab zaj duab xis-forming agent, thiab lwm yam.Kev Tsim KhoQib HPMC cov khoom siv tau rau hauv cov tshuaj txhua hnub, cov khoom siv hluav taws xob, cov khoom siv hluavtaws, kev tsim kho thiab cov tshuaj pleev xim, qib tshuaj HPMC siv tau rau hauvtxheej ntsiav tshuaj, thiab lwm yam, thiab qib zaub mov HPMC siv tau ua ntau yam khoom noj khoom haus ntxiv.
Phau Ntawv Qhia HPMCCov Lus Qhia:
1. Txoj kev siv dej kub: Ntxiv 1/3 lossis 2/3 ntawm cov dej hauv lub thawv thiab ua kom sov rau saum 80. Thawj hydroxypropyl methyl cellulose(HPMC) tuaj yeem sib npaug zos hauv dej kub, thiab tom qab ntawd ntxiv cov dej txias seem rau hauv cov dej kub slurry, txias tom qab do.
2. Txoj kev sib tov hmoov: sib tov cov hydroxypropyl methyl cellulose(HPMC) hmoov nrog ntau cov khoom xyaw hmoov, sib tov kom huv si los ntawm kev sib tov qhuav, thiab tom qab ntawd ntxiv dej kom yaj nws.
3. Txoj kev ntub dej ntawm cov kuab tshuaj organic: ua ntej tshaj tawm lossis ntub cov hydroxypropyl methyl cellulose (HPMC) nrog cov organic solvent, thiab tom qab ntawd ntxiv dej kom yaj nws.
Kev Khaws Cia:
kaw rau hauv qhov chaw txias thiab qhuav.
Lub neej txee:
peb xyoos
Ntim khoom:
25Kgs hnab ntawv los yogcov fiber nruas
Lub sijhawm tshaj tawm: Lub Ib Hlis-01-2024