Lub Npe Tshuaj:HydroxypropylMethylcellulose (Tshuaj lom)HPMC)

CAS no.：9004-67-5

Cov kev cai lij chojCov khoom xyaw ntawm HPMC:ua raws li cov qauv ntawm USP/NF,

EP thiab tsab ntawv xyoo 2020 ntawm Suav Pharmacopoeia

Lus Cim: Kev txiav txim siab txog qhov xwm txheej: viscosity 2% aqueous solution ntawm 20 ° C

 

Qhov kev ua tau zoo tseem ceeb ntawm cov khoom noj khoom haus additives qib HPMC

Kev tsis kam ntawm enzyme: kev tsis kam ntawm enzyme zoo dua li cov hmoov txhuv nplej siab, kev ua haujlwm ntev zoo heev;

Kev ua tau zoo ntawm kev nplaum: nyob rau hauv qhov kev siv tshuaj zoo ntawm qhov mob tuaj yeem ua si lub zog nplaum zoo tshaj plaws, tib lub sijhawm tuaj yeem muab cov dej noo thiab tso tawm saj;

Kev yaj dej txias:HPMCyooj yim rau hydrate sai heev ntawm qhov kub qis dua;

Kev ua haujlwm emulsifying:HPMCtuaj yeem txo qhov kev sib txhuam ntawm cov interfacial thiab txo qhov kev sib sau ua ke ntawm cov roj droplets kom tau txais kev ruaj khov zoo dua;

 

Cov khoom xyaw HPMCDaim ntawv thov teb hauv cov khoom noj khoom haus ntxiv

1. Cov khoom qab zib (khoom qab zib)

Txhim kho qhov ntim ci, txhim kho qhov tsos, ua kom cov qauv zoo nkauj dua;

Txhim kho kev khaws dej thiab kev faib dej, yog li ua kom lub sijhawm khaws cia ntev dua;

Txhim kho cov duab thiab cov qauv ntawm cov khoom yam tsis ua rau nws cov tawv ntxiv;

Kev nplaum zoo dua los txhim kho lub zog thiab elasticity ntawm cov khoom hmoov nplej;

2. Nqaij cog (nqaij cuav)

Kev Ruaj Ntseg;

Muaj peev xwm sib txuas txhua yam khoom xyaw ua ke kom ntseeg tau tias

kev ncaj ncees ntawm cov duab thiab tsos;

Muaj qhov tawv thiab saj zoo ib yam li cov nqaij tiag;

3. Cov dej haus thiab cov khoom noj mis nyuj

Muab kev pab cuam rau kev ncua ntawm ntau qhov kub thiab txias yam tsis muaj qhov saj nplaum;

Hauv kas fes tam sim ntawd,HPMCtuaj yeem tsim cov ua npuas dej ruaj khov sai sai;

Sib xws nrog cov dej cawv;

Muab cov dej khov nab kuab uas tuab thiab tsis ua rau nws tsaus ntuj nti.

qhov saj ntawm cov dej haus; Acid stability;

4. Khoom noj khov thiab kib sai

Nrog kev nplaum zoo heev, tuaj yeem hloov ntau lwm cov nplaum;

Khaws cov duab qub thaum lub sijhawm ua khoom noj, ua noj, thauj mus los, khaws cia, thiab khov/yaj ntau zaus;

Txo cov roj uas nqus tau thaum lub sijhawm kib thiab pab cov khoom noj khaws nws cov dej noo qub;

5. Cov plhaub protein

Yooj yim rau cov duab hauv cov khoom nqaij, kev khaws cia thiab ua noj ua haus cov txheej txheem kib tsis yooj yim tawg;

Kev nyab xeeb, txhim kho saj, pob tshab zoo;

Huab cua permeability siab thiab noo noo permeability, khaws cia nws cov ntxhiab tsw qab, ua kom lub txee ntev dua; Khaws cov dej noo qub;

6. Cov khoom qab zib ntxiv

Muab cov dej khaws cia zoo, tuaj yeem pab tsim cov dej khov zoo thiab sib xws, ua rau saj zoo dua;

HPMCmuaj kev ruaj khov ua npuas ncauj thiab kev ua tau zoo emulsification, yog liHPMCtuaj yeem txhim kho qhov xwm txheej ntawm cov khoom qab zib ntau dhau;

Kev ruaj khov ua npuas ncauj zoo heev thaum khov / yaj;

HPMCtuaj yeem tiv thaiv kom tsis txhob qhuav thiab ntsws thiab ua kom lub sijhawm khaws cia ntawm cov paj qab zib ntev dua.

7, tus neeg sawv cev seasoning

Cov khoom siv thermal gel tshwj xeeb tuaj yeem tswj tau qhov ruaj khov ntawm cov khoom noj

hla ntau qhov kub thiab txias; Ua tau sai sai hydrate,

yog ib qho khoom siv thickener thiab stabilizer zoo heev; Nrog emulsifying

cov khoom, tuaj yeem zam kev tso roj zaub mov thaum lub sijhawm khaws cia