Iimpawu ze-HPMC kwi-riard eyomileyo

I-1. Iimpawu ze-HPMC kwi-rird eqhelekileyo

I-HPMC isetyenziswa ikakhulu njengearhente yokugcina i-remarder kunye nokugcinwa kwamanzi kwisamente yesamente. Kwizinto zekhonkrithi kunye nodaka, inokuphucula i-viscofity kunye nenqanaba le-shrinkige, yomeleza amandla okubambisa, ukulawula ixesha elifanelekileyo, kunye nokuphucula amandla okuqala kunye nokugoba kwamandla okuqala. Kuba inomsebenzi wokugcina amanzi, inokunciphisa ukuphulukana namanzi kumphezulu wekhonkrithi, kuphephe ukuntywila emphethweni, kunye nokuphucula ukusebenza kwe-adhesion kunye nokwakha ukusebenza kwendlela. Ngakumbi ngokwakhiwa, ixesha lokuseta linokwandiswa kwaye luhlengahlengiswe. Ngokunyuka komxholo we-HPMC, ixesha lokumiswa kuya kuvuswa ngokufanelekileyo; ukuphuculwa koomatshini bokukwazi kunye nokufana, kufanelekile ukubalwa komatshini; Ukuphuculwa kokusebenza ngokwakha kwaye kuxhamle umphezulu wokwakha khumbula ngokuchasene nemozulu ye-ityiwa yamanzi.

I-2. Iimpawu ze-HPMC kwi-Costr

I-HPMC yi-arhente yokugcina amanzi aphezulu yokugcina amanzi e-gcina i-powder eyomileyo, enciphisa inqanaba lokwapha kunye nokukhupha udaka kwaye kuphucule ubumbano lodaka. Nangona i-HPMC inciphisa kancinci amandla atshiwayo kunye nodaka lodaka, kunokongeza amandla e-therres kunye namandla obudaka. Ukongeza, i-HPMC inokuthintela ngokufanelekileyo ukwenziwa kweeplastiki zodaka kwiplastiki kwaye kuncitshiswe isalathiso sokuqhekeka kweplastiki sodaka. Ukugcinwa kwamanzi konyuselo ngokunyuka kwe-HPMC Viscosity, kwaye xa i-viscosity idlula i-100000mparo, ukugcinwa kwamanzi akonyuka kakhulu. Ukulunga kwe-HPMC kukwanempembelelo ethile kwiqondo lokugcina amanzi lodaka. Xa amasuntswana acocekile, inqanaba lokugcina amanzi kodaka liyaphucuka. Ubungakanani be-HPMC ye-HPMC ihlala isetyenziselwa ukuqina kwesamente kufuneka ingaphantsi kwe-180 microns (80 Mesh Screen). Umthamo ofanelekileyo we-HPMC kwi-powder omileyo ngu-1 ‰ ~ 3 ‰.

2.1. Emva kokuba i-HPMC kwindawo yodaka inyibilikisiwe emanzini, ukusasazeka okusebenzayo kunye nokusasazwa kwento yesamente kwinkqubo kuqinisekisiwe ngenxa yomsebenzi womphezulu. NjengeColoid ekhuselweyo, i-HPMC "isongela" amasuntswana aqinileyo kwaye akhale umphezulu wawo wangaphandle. Umaleko wefilimu otyhafileyo wenza ukuba udaka uzinze ngakumbi, kwaye uphumle ubisi lwe-farser ngexesha lokuxuba kunye nokugungqa kolwakhiwo.

2.2. Ngenxa yesakhiwo sayo semolekyuli, isisombululo se-HPMC Yenza amanzi abude alahlekelwe lula, kwaye ayikhulule ngokuthe ngcembe ixesha elide, ahlawule udaka kwindlela elungileyo kunye nolwakhiwo oluhle. Ingathintela amanzi ukuba ahambe ngokukhawuleza ukusuka elunxwemeni ukuya kwisiseko, ukuze amanzi agciniweyo ahlala phezu kwezixhobo ezitsha, ezinokukhuthaza amandla okugqibela. Ngakumbi ukuba unxibelelwano lunxibelelana nodaka lwesamente, udaka, kunye nokunamathela amanzi, eli candelo alinawo amandla kwaye liphantse kube akukho mandla. Ngokubanzi, umphezulu wokunxibelelana nezi zixhobo zonke i-adsorbebedbeebhloves, ngaphezulu okanye ngaphantsi kwe-sunder kunye ne-cemaratic teates kunye ne-ceriramic ye-certic kunye neendonga ze-certing ephakathi kwendawo yokuhambisa phakathi kwendawo ephakathi kwendawo ephakathi komhlaba ihla.

Kumiliselo lodaka, ukugcinwa kwamanzi kwe-HPMC ngumsebenzi ophambili. Iqondakalisiwe ukuba ukugcinwa kwamanzi kunokuba phezulu njenge-95%. Ukunyuka kobunzima be-HPMC kunye nokunyuka kwedini lesamente kuya kuphucula ukugcinwa kwamanzi kunye namandla obuxoki.

Umzekelo: Kuba abakhangeli be-tule kufuneka babe namandla amakhulu eBrown phakathi kwe-subsed kunye neethayile, ukunamathela kubuchaphaza kuchaphazeleka yi-adsorvo yamanzi ukusuka kwimithombo emibini; Umphezulu we-subtate (udonga) kunye neethayile. Ingakumbi kwiithayile, umgangatho wahluka kakhulu, ezinye zineepores ezinkulu, kwaye iithayile zinezinga eliphezulu lokufumana amanzi, etshabalalisa intsebenzo. Iarhente yokugcina amanzi ibaluleke kakhulu, kwaye yongeza i-HPMC inokuhlangabezana nale mfuno.

2.3. I-HPMC iyazinza kwi-acid kunye ne-alkali, kunye nesisombululo sayo esiqingqiweyo sizinzile kuluhlu lwe-pH = 2 ~ 12. I-Caustic Soda kunye namanzi e-lime anempembelelo encinci ekusebenzeni kwayo, kodwa uAlkali unokukhawulezisa ukupheliswa kwayo kwaye unyuke kancinci.

2.4. Intsebenzo yokwakha yongezwa nge-HPMC iphuculwe kakhulu. Udaka lubonakala ngathi 'i-oyile ", enokwenza ukuba amalungu agcweleyo apheleleyo, agudise umphezulu, enze i-tile okanye isitena kunye nexesha lokusebenza, kufanelekile ukuba akhule.

2.5. I-HPMC yi-ionic ye-ionic nengazinzileyo i-enclymeric, enokuzinza kwizisombululo ze-act kunye ne-elektroniki, kwaye yongezwa kwizinto zokwakha ixesha elide ukuqinisekisa ukuqina kwayo kuphuculwe.