HydroxyPropyl MethylcellAlose (HPMC) ni ikigo cyimisozi mibi ikoreshwa cyane mu nganda zitandukanye kubera imiti yihariye yimiti n'imiterere.
1. Ibigize imiti:
a. Ubugari bwa Cellulose:
HPMC ni koterwa na selile, bivuze ko ikomoka kuri selile, iy'ubukorikori risanzwe riboneka mu rukuta rw'ibimera. Ubugari bugizwe no gusubiramo ibice bya β-D-glucose bifitanye isano na β (1 → 4) ubumwe bwa glycosidic.
b. Gusimbuza:
Muri HPMC, HYDROXYL (-OH) Moienth ya Centurbone yasimbuwe na methyl na hydroxyPropyl matsinda. Iyi gusimburwa bibaho binyuze muburyo bworoshye. Urwego rwo gusimbuza (DS) bivuga impuzandengo yimibare ya hydroxyl yasimbuwe kumurongo wa Glucose muri pasiporo. Ds ya Methyl na HydroxyPropyl amatsinda aratandukanye, bigira ingaruka kumikorere ya HPMC.
2. Synthesis:
a. Guhangana:
HPMC irimo gusindagura binyuze muburyo bworoshye bwa selile hamwe na propaylene okiside na methyl chloride. Inzira ikubiyemo gufata selile ofleide oxide kugirango itangire amatsinda ya hydroxyProppoyle hanyuma hamwe na methyl chloride kugirango utangire methyl.
b. Urwego rwubundi bundi bugenzuzi:
DS ya HPMC irashobora kugenzurwa no guhindura uko ibintu bimeze nkubushyuhe, igihe cyimyitwarire, hamwe nubushakashatsi bwimbitse.
3. Imikorere:
a. Kudashoboka:
HPMC irashonje mumazi hamwe nibiti bimwe na bimwe, nka methanol na ethanol. Ariko, kwishyurwa kwayo bigabanuka no kongera uburemere bwa moleculand nurwego rwo gusimbuza.
b. Gushiraho film:
HPMC ikora firime yumucyo, ihindagurika iyo yasheshwe mumazi. Izi firime zifite imbaraga nziza na bariyeri.
C. IBITEKEREZO:
Ibisubizo bya HPMC byerekana imyitwarire ya pseudoplastique, bivuze ko viscometi yabo igabanuka hamwe no kongera umubare munini. Ibyamamare bya HPMC ibisubizo biterwa nibintu nkibitekerezo, uburemere bwa moleki, nurwego rwo gusimbuza.
d. Ifungwa ry'amazi:
Kimwe mu bintu by'ingenzi bya HPMC ni ubushobozi bwo kugumana amazi. Uyu mutungo ni ushishikaye mubisabwa bitandukanye nkibikoresho byubwubatsi, aho HPMC ikoreshwa nkumuntu wigitugu hamwe numukozi ugumana amazi.
e. Ashesion:
HPMC ikoreshwa nkigikorwa muburyo butandukanye kubera ubushobozi bwayo bwo gukora ubumwe bukomeye kubice bitandukanye.
4. Gusaba:
a. Inganda za farumasi:
Muri farumasi, HPMC ikoreshwa nka binder, ishami rishinzwe film, rigenzurwa umukozi ushinzwe kurekura, hamwe na vicosity muri tablet.
b. Inganda zubwubatsi:
HPMC yongewe kuri minisiteri ishingiye kuri sima, abakinnyi ba gypsum na tile bashimishijwe no kunoza ibikorwa, kugumana amazi no kumeneka.
C. Inganda zibiribwa:
Mu nganda zibiribwa, HPMC ikoreshwa nkuwabyimbye, stabilizer na emalifie mubicuruzwa nkibisosha, imyambarire na ice cream.
d. Ibicuruzwa byita ku muntu:
HPMC ikoreshwa nkuwabyimbye, evolifier na firime yo gushiraho film mubicuruzwa byita kugiti cyawe nka Shampoos, amavuta na cream.
e. Irangi n'amakoti:
Mu gushushanya no ku ngorora, HPMC ikoreshwa mu kuzamura pigment, kugenzura urukwavu no kugumana amazi.
HydroxyPropylmethylcellcellCellCellseliulose (HPMC) ni uruganda rusanzwe rufite amanota menshi mu nganda zitandukanye. Ibigize imiti byihariye, Synthesis n'umutungo bigira ikintu cyingenzi muri farumasi, ibikoresho byubaka, ibiryo, ibicuruzwa byawe bwite. Gusobanukirwa imitungo ya HPMC yemerera ibyifuzo byihariye mumirima itandukanye, bigira uruhare mubikorwa byayo bikwirakwira hamwe nibikorwa bigezweho.
Igihe cyagenwe: Feb-22-2024