I-HydroxypropylMethylcelcelcelcelose (HPMC) yikhemikhali esetyenzisiweyo ngokubanzi kumashishini aliqela. Isetyenziselwa ikakhulu ukuqaqamba nokuzimisela iinjongo kwicandelo lolwakhiwo, ukutya, i-cosmetics kunye namayeza. Kweli nqaku, sixoxa ngeengcebiso ngendlela yokusebenzisa i-HPMC ngokufanelekileyo kwinkqubo yokuphucula.
1. Qonda iimpawu ze-HPMC
Ngaphambi kokuba isebenzise i-HPMC kwinkqubo yokwenziwa, kubalulekile ukuba uqonde iipropathi zayo zomzimba kunye nekhemikhali. I-HPMC inyibilikisa kakhulu emanzini kwaye i-insulafle kwiinyikima zendalo. Xa uyongezwa emanzini, yenza isisombululo esicacileyo nesivisa. I-HPMC ayinatyhefu, ingeyonyani, kwaye ayisabelanga ngeekhemikhali.
2. Chonga ibakala elifanelekileyo le-HPMC
I-HPMC iyafumaneka kumabakala aliqela, nganye inee-viscofis ezahlukeneyo, iimolekyuli zemolekyuli kunye nobukhulu. Ukukhetha ibanga elifanelekileyo kuxhomekeke kuhlobo lwemveliso oyiyo. Umzekelo, ukuba wenza ulwelo olucekeceke, unokufuna iBanga le-VICMOTION CloIty ye-HPMC, kunye neemveliso ezikrwelayo, ibanga eliphezulu lokubonisa. Ukudibana noMvelisi we-HPMC kuyacetyiswa ukumisela inqanaba elifanelekileyo kwimveliso yakho.
3. Qinisekisa iimeko zokugcina ezifanelekileyo
I-HPMC i-hygroscopic, okuthetha ukuba ifunxa umswakama kwiatmosfera. Kubalulekile ukugcina i-HPMC kwindawo eyomileyo neyipholile ukuthintela ukukhangela okanye ukuqina. Kufuneka igcinwe kwizikhongozeli zomoya ukuthintela ukuvezwa komoya okanye ukufuma.
4. Hlanganisa ngokufanelekileyo i-HPMC kunye nezinye izithako
I-HPMC isetyenziswa ikakhulu njenge-thi cokener okanye i-binder ngexesha lokuphuhlisa. Kubalulekile ukuxuba i-HPMC kakuhle ngezinye izithako ukuqinisekisa umxube we-homogeneous. I-HPMC kufuneka yongezwe emanzini kwaye ivuseleleke ngokucokisekileyo ngaphambi kokuxuba nezinye izithako.
5. Sebenzisa isixa esifanelekileyo se-HPMC
Isixa esichanekileyo se-HPMC ukongeza kwimveliso kuxhomekeke kwimveliso enqwenelekayo emzimbeni, i-viscosity kunye nezinye izithako. Ngaphezulu okanye phantsi kwe-HPMC kunokuthi ichaphazele umgangatho kunye nokuzinza kwemveliso yokugqibela. Kucetyiswa ukuba isebenzise i-HPMC ngaphakathi kuluhlu oluchaziweyo olucetyiswa ngumenzi.
I-6. Ngokuthe chu yongeza i-HPMC ukuya emanzini
Xa uyongeza i-HPMC ukuya emanzini, kufuneka kongezwe ngokuthe chu ukuthintela ukuqhotyoshelwa. Ukuvuselela rhoqo kuyimfuneko xa ukongeza i-HPMC ukuya emanzini ukuqinisekisa umxube oguqukayo. Ukongeza ngokukhawuleza i-HPMC ngokukhawuleza kuya kukhokelela ekusasazweni okungalinganiyo, okuya kuchaphazela imveliso yokugqibela.
7. Gcina i-PH efanelekileyo
Xa usebenzisa i-HPMC, i-PH yemveliso ibalulekile. I-HPMC inenqanaba le-HB elilinganiselweyo, phakathi kwe-5 ne-8 ka-8.5, ngaphaya kokuncitshiswa kwayo okanye ilahlekile. Ukugcina inqanaba le-PH elichanekileyo kubalulekile xa usebenza ne-HPMC.
8. Khetha ubushushu obulungileyo
Xa usebenzisa i-HPMC, iqondo lobushushu lemveliso ngexesha lokwenza nokugcina ibalulekile. Iipropathi ze-HPMC, ezinje ngoVeksinity, ukuluka, kunye nokungcwaba, kuxhomekeke kubushushu. Iqondo lobushushu elifanelekileyo lokuxuba i-HPMC lingama-20 ukuya kwengama-45 degrees Celsius.
9. Jonga ukungqinelana kwe-HPMC kunye nezinye izithako
Ayizizo zonke izithako ezihambelana ne-HPMC. Ukuhambelana kwe-HPMC kunye nezinye izithako kufuneka kuvavanywe ngaphambi kongeza i-HPMC. Ezinye izithako zinokunciphisa ukusebenza kwe-HPMC, ngelixa ezinye zinokuphucula.
10. Jonga iziphumo ebezingalindelekanga
Nangona i-HPMC ayinatyhefu kwaye ikhuselekile ukuyisebenzisa, inokubangela ukucaphukisa iliso okanye iliso. Amanyathelo okhuseleko kufuneka athathwe, njengokunxiba izixhobo ezikhuselayo ezinje ngeegloves kunye neeglasi, kwaye kuthintele ukuphefumla uthuli lwe-HPMC.
Ukuphelisa, ukongeza i-HPMC kwinkqubo yokuphucula inokuphucula umgangatho kunye nokuzinza kwemveliso. Nangona kunjalo, ukuze basebenzise i-HPMC ngokuphumelelayo, kubalulekile ukuba uthathe amanyathelo afanelekileyo okhuseleko kwaye ulandele iingcebiso ngasentla.
I-Post Ixesha: IJUL-28-2023