Focus on Cellulose ethers

Sida loo diyaariyo xal daahan HPMC?

Diyaarinta xalalka daahan hydroxypropyl methylcellulose (HPMC) waxay ku lug leedahay tillaabooyin badan waxayna u baahan tahay taxadar taxaddar leh oo faahfaahsan.HPMC waxaa caadi ahaan loo isticmaalaa sida walaxda aflaanta ee warshadaha dawooyinka iyo cuntada.Xalalka dahaarka ayaa lagu dabaqaa kaniiniyada ama granules si ay u bixiyaan lakab difaac, u wanaajiya muuqaalka, una fududeeyaan liqidda.

1. Horudhac ku saabsan daahan HPMC:

Hydroxypropylmethylcellulose (HPMC) waa polymer-ku-saleysan cellulose oo laga soo qaatay fiilooyinka dhirta.Iyada oo ay sabab u tahay sifooyinka filim-samaynta iyo dhumucdooda, waxaa si weyn loogu isticmaalaa daaha filimka ee warshadaha dawooyinka iyo cuntada.

2. Agabka loo baahan yahay:

Hydroxypropyl methylcellulose budada ah
Sifee biyaha
Weelasha caaga ah ama birta ah
Qalabka wax kicinaya (tusaale kiciya magnet)
Qalabka wax lagu cabbiro
mitirka pH
digsiga dahaarka caag ama ahama
Foornada hawada kulul

3.barnaamijka:

Miisaanka HPMC:

Si sax ah u miisaam qaddarka loo baahan yahay ee budada HPMC ee ku salaysan qaabaynta daahan ee la doonayo.Inta badan waxay u dhaxaysaa 2% iyo 10%.

Diyaari biyo sifaysan:

Isticmaal biyo sifaysan si aad u hubiso inay ka nadiif yihiin wasakhda saamayn karta tayada dahaarka.Biyuhu waa inay ku jiraan heerkulka qolka.

Kala firdhinta HPMC:

Si tartiib ah ugu dar budada HPMC ee la miisaamay biyaha la safeeyey adigoo si joogto ah u walaaqaya.Tani waxay ka hortagtaa kuuskuusku inay samaysmaan.

Walaaq:

Ku walaaq isku dhafka adoo isticmaalaya kicinta birlab ama qalab kale oo ku haboon ilaa budada HPMC ay si buuxda ugu firdhiso biyaha.

hagaajinta pH:

Cabbir pH ee xalka HPMC adoo isticmaalaya pH mitir.Haddii loo baahdo, pH-ga waxaa lagu hagaajin karaa iyadoo lagu darayo qadar yar oo aashito ah ama saldhig ku habboon.pH-ga ugu fiican ee daahan filimku waa inta u dhaxaysa 5.0 ilaa 7.0.

Qoyaanka iyo gabowga:

Xalka HPMC waa loo ogol yahay inuu fuuqbaxo oo da'da muddo cayiman.Tani waxay kor u qaadaysaa sifooyinka filim samaynta.Waqtiga gabowgu wuu kala duwanaan karaa laakiin caadi ahaan waa inta u dhaxaysa 2 ilaa 24 saacadood.

filter:

Sifee xalinta HPMC si aad uga saarto wixii walxaha aan milmin ama wasakhda ah.Talaabadani waa lama huraan si loo helo xal daahan oo siman oo cad.

Hagaajinta viscosity:

Cabir viscosity ee xalka oo ku hagaaji heerka la rabo.Viscosity wuxuu saameeyaa labbiska iyo dhumucda dahaarka.

Waafaqsanaanta tijaabada:

Tijaabi iswaafajinta xalka dahaarka leh substrate-ka (kiniiniyada ama granules) si aad u hubiso ku dhejinta saxda ah iyo sameynta filimka.

Habka dahaarka:

Isticmaal digsiga dahaarka ku habboon oo isticmaal mishiinka daahan si aad u marisid xalka daahan HPMC ee kiniiniyada ama granules.Hagaajin xawaaraha dheriga iyo heerkulka hawada si aad u hesho daahan ugu fiican.

qalajin:

Kiniinnada dahaarka leh ama granules ayaa lagu qallajiyaa foornada hawo kulul ee heerkulka lagu xakameeyo ilaa dhumucda dahaarka la doonayo laga gaaro.

QC:

Samee tijaabinta xakamaynta tayada alaabta dahaarka leh oo ay ku jiraan muuqaalka, dhumucda iyo sifooyinka kala dirida.

4. gunaanadkii:

Diyaarinta xal daahan HPMC waxay ku lug leedahay taxane ah oo tallaabooyin sax ah si loo hubiyo tayada iyo waxtarka daahan.U hoggaansanaanta habraacyada loo qoondeeyay iyo tillaabooyinka xakamaynta tayada ayaa muhiim u ah helitaanka natiijooyin joogto ah oo la isku halayn karo ee warshadaha dawooyinka iyo cuntada.Had iyo jeer raac Habdhaqanka Wax-soo-saarka Wanaagsan (GMP) iyo tilmaamaha la xidhiidha inta lagu jiro habka daaha


Waqtiga boostada: Jan-18-2024
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