Tsawg Hloov Hydroxypropyl Cellulose

Low Substituted Hydroxypropyl Cellulose (L-HPC) yog ib qho kev hloov kho cellulose polymer uas feem ntau siv los ua cov thickener, binder, thiab stabilizer nyob rau hauv ntau yam kev lag luam, nrog rau cov khoom noj, tshuaj, thiab cov khoom tu tus kheej. Nws yog muab los ntawm cellulose, uas yog ib tug natural polymer nyob rau hauv lub cell phab ntsa ntawm cov nroj tsuag.

L-HPC yog tsim los ntawm kev hloov tshuaj lom neeg ntawm cellulose siv cov txheej txheem hydroxypropylation, nyob rau hauv uas hydroxypropyl pawg (-CH2CH(OH)CH3) tau nkag mus rau hauv cellulose molecule. Qib ntawm kev hloov pauv, lossis tus naj npawb ntawm cov pab pawg hydroxypropyl hauv ib chav tsev piam thaj, feem ntau qis, xws li 0.1 txog 0.5.

Raws li cov thickener, L-HPC zoo ib yam li lwm cov cellulose-based thickeners, xws li carboxymethyl cellulose (CMC) thiab methyl cellulose (MC). Thaum L-HPC ntxiv rau dej, nws tsim cov qauv zoo li gel uas ua rau kom cov viscosity ntawm cov tshuaj. Lub viscosity ntawm cov tshuaj nyob ntawm qhov concentration ntawm L-HPC thiab qib ntawm kev hloov. Qhov siab dua qhov concentration ntawm L-HPC thiab qhov siab dua qhov kev hloov pauv, qhov kev daws teeb meem yuav ntau dua.

L-HPC feem ntau yog siv rau hauv kev lag luam khoom noj khoom haus ua cov thickener thiab stabilizer hauv ntau yam khoom, nrog rau cov khoom ci, kua ntses, thiab hnav khaub ncaws. Hauv cov khoom ci, L-HPC tuaj yeem siv los txhim kho kev ntxhib los mos thiab zoo ntawm cov khoom, tshwj xeeb tshaj yog nyob rau hauv gluten-dawb formulations. Hauv cov kua ntses thiab hnav khaub ncaws, L-HPC tuaj yeem pab txhim kho kev ruaj ntseg ntawm cov khoom, tiv thaiv nws los ntawm kev sib cais los yog ua dej.

Hauv kev lag luam kws tshuaj, L-HPC yog siv los ua ib qho kev sib khi thiab disintegrant hauv cov ntsiav tshuaj thiab tshuaj ntsiav. Raws li ib tug binder, L-HPC pab tuav lub active cov khoom xyaw ua ke thiab txhim kho lub dissolution tus nqi ntawm cov ntsiav tshuaj los yog capsule. Raws li ib tug disintegrant, L-HPC pab zom cov ntsiav tshuaj los yog ntsiav tshuaj nyob rau hauv lub plab, cia cov active khoom xyaw yuav absorbed ntau npaum.

L-HPC kuj tseem siv nyob rau hauv kev lag luam tu tus kheej ua cov thickener thiab emulsifier nyob rau hauv ntau yam khoom, nrog rau cov tshuaj pleev ib ce, cream, thiab cov khoom tu plaub hau. Nyob rau hauv cov tshuaj pleev ib ce thiab tshuaj pleev ib ce, L-HPC pab txhim kho kev ntxhib los mos thiab sib xws ntawm cov khoom, muab nws ib tug du, silky xav. Hauv cov khoom tu plaub hau, L-HPC tuaj yeem pab txhim kho cov tuab thiab ruaj khov ntawm cov khoom, tiv thaiv nws los ntawm kev sib cais lossis ua dej.

Ib qho ntawm qhov zoo ntawm kev siv L-HPC ua cov thickener thiab stabilizer yog tias nws yog cov khoom muaj txiaj ntsig zoo dua qub tau los ntawm cov nroj tsuag. Tsis zoo li hluavtaws thickeners thiab stabilizers, L-HPC yog biodegradable thiab environmentally friendly.