I-HydroxyPOpyl Methylcelcelsele (i-HPMC) sisipolo esisetyenziswa ngokubanzi kwimizi-mveliso eyahlukeneyo kubandakanya nolwakhiwo. Kwimisebenzi ye-putty, i-HPMC isebenza ngeendlela ezahlukeneyo, kubandakanya ukwandisa ukusebenza, ukuphucula ukunamathezeka, ukulawula ukugcinwa kwamanzi, kunye nokwandisa iipropathi zoomatshini.
Ifomula ye-putty idlala indima ebalulekileyo ekwakheni njengento eguquguqukayo egcwalisa izithuba, inomhlaba ogudileyo, kwaye ibonelela ngesiseko se-paints kwiipeyinti kunye neengubo. I-HydroxyPOpyl Methylcelceltulose yenye yezithako eziphambili ezisetyenziswayo kwifom yokubeka ngenxa yepropathi eyahlukileyo kunye nokungathathi ntweni.
I-1.HPMC zeKhemikhali
I-HydroxypropylMethylcelcelcelcelcel i-polymer ye-semi-syntmer ethathwe kwi-sellulose. Ibonakaliswa ngesakhiwo sayo esikhethekileyo, equka imixokelelwane yeselfowuni edityaniswe ne-hydroxyl kunye namaqela e-methyl. Iqondo lokufakwa kwezi qela libeka iipropathi ze-HPMC, kubandakanya ukwahlula, i-viscofity kunye nokuba sekokwakha ifilimu. Ngokwesiqhelo, i-HPMC isetyenziswe kwifomu ye-putty iyafumaneka kwimanqanaba e-Viscosity ye-Viscosity ebonelela ngeepropathi zeRheeology.
2. Inyathelo lesenzo seFomula
Ukuphucula ukusebenza
I-HPMC isebenza njenge-thichwener kunye ne-ratheology modifier yokuphucula ukusebenza kwezinto ezenziwayo. Iimolekyuli zePolymer zingena kwaye zenza inethiwekhi ezintathu zenethiwekhi, edlulisela i-viscosity kwaye ithintela amasuntswana aqinileyo ukuba angahlali. Oku kuqinisekisa ukuhambisa kunye nokusetyenziswa ngokulula kwe-putty, ivumela ukuba isasazeke kwaye ihambe kakuhle ngaphandle kokutsala okungaphezulu okanye ukuntywila.
Ukuphucula ubumbethe
I-Adhesion yipropathi ephambili kwifomu ye-putty njengoko ichaza amandla omtshato phakathi kwe-poty kunye ne-subtate. I-HPMC iphucula i-adhesion ngokwenza ifilimu emnyama kumhlaba ophantsi, ukukhuthaza ukunxibelelana ngoomatshini kunye nokwandisa indawo yoqhakamshelwano phakathi kwe-poty kunye ne-subred. Ukongeza, ubume be-hydrophilic ye-HPMC buvumela ukuba inxibelelane nee-matriki ze-putty kunye nemigca, ukukhuthaza ububi, ukhusela unamathela nakwimiceli mngeni.
Ulawulo lokugcina amanzi
Ukugcinwa kwamanzi kubaluleke kakhulu kunyango olufanelekileyo kunye nokomisa iindlela zokubeka. I-HPMC isebenza njengearhente yokugcina amanzi ngokufumana kunye nokugcina umswakama ngaphakathi kwesakhiwo sayo semolekyuli. Oku kuthintela ukukhutshwa kwamanzi ngokukhawuleza kwamanzi kwi-puttrix matrix, ukuqinisekisa ukusebenza ixesha elide nokufezekisa i-hydiment eyoneleyo yezithako zesamente. Ukugcinwa kwamanzi okulawulwayo kukwanciphisa i-shrinkage kwaye ukuqhekeka ngexesha lomile, ukuphucula ukuqina kunye nokugqitywa komphezulu.
Ulungelelwaniso lwentsebenzo
I-HPMC iphucula iipropathi zoomatshini zendlela yokumisa ngokuqinisa iMatrix kunye nokuphucula ubumbano. I-polymer yenza iifom ze-hydrogen ye-hydrogen kunye nezinye izinto ezifakekileyo kwi-ifty, ukunyusa amandla ayo, ukuguquguquka kunye nokunganyangeki kwempembelelo. Ukongeza, ubuchule bokwenza ifilimu ye-HPMC kudala isithintelo esikhusela i-ithety evela kuxinzelelo lwangaphandle kunye nezinto zokusingqongileyo, ngakumbi ukwandisa ukuqina kwawo kunye nobomi obude.
3.Umpembelelo ye-HPMC kwi-putty yentsebenzo
Iipropathi ze-ROOOOOLOT
I-HPMC ichaphazela indlela yokuziphatha kakuhle kwendlela yokuziqhelanisa, echaphazela i-viscofity, i-ThiXOTROPY kunye neepropathi zokuhamba. I-Polymer Distination, ubunzima bemoyare kunye nesidanga sokufaka endaweni yokuguqulwa kwe-viscofity, ukuvumela iifomula ukuba zenze iipropathi zeRheiolo loLwandle kwiMifuno yeRheeolort. Uhlengahlengiso olufanelekileyo lomthamo we-HPMC uqinisekisa ukusebenza kakuhle kunye nokusebenza kwesicelo.
Umlinganiso
Ubukho be-HPMC buxhasa amandla obuninzi bokuqulunqwa, okukhokelela ekuphuculeni ubumbeleli bokuphuculwa kwamanye amazwe kubandakanya ikhonkrithi, iinkuni, isinyithi kunye ne-mandry. Iifomulators zinokulungelelanisa iBakala le-HPMC kunye noxinzelelo ukufikelela kwiipropathi zokuHlela ezinqwenelekayo, ukuqinisekisa ukuhambelana kwezixhobo ezahlukeneyo zomphezulu kunye neemeko zokusingqongileyo. Iindlela ezifanelekileyo zokulungiselela kunye neendlela zokwenza isicelo zinokuncedisa i-chmmc ye-HPMC yokwandisa amandla e-Bondo kunye nexesha elide.
abavukeli bamanzi
I-HPMC inceda ekuphuculeni ukumelana kwamanzi kweziko le-prety ngokulawula ukugcinwa kwamanzi kunye nokunciphisa ukuqhutywa kwamanzi. I-polymer yenza ifilimu ye-hydrophilic efakela ukungena kwamanzi kwi-puttrix matrix, ukuthintela ukudumba, ukonakaliswa kunye nokulahleka kweepropathi zoomatshini. Ukhetho oluchanekileyo lwamabanga e-HPMC kunye nolondolozo lwezinto zokwakha lunokuphucula ukumelana kwamanzi, ukwenza impahla efanelekileyo yokusebenza ngaphakathi nangaphandle kwemali engaphandle kunye nokuphuma ekuphumeni komswakama.
4. Amandla oomatshini kunye nokuqina
Ukudibanisa i-HPMC kwifomu le-putty yonyusa amandla omatshini, ukuqina, kunye nokuxhathisa ukuqhekeza, i-shrinkage, kunye nemozulu. I-polymer isebenza njengearhente yokuqinisa, ukomeleza i-DATTY Matrix kunye nokuphucula ubumbano. Ukongeza, amandla ka-HPMC ukulawula ukugcinwa kwamanzi nokukhuthaza ucali olufanelekileyo loncedo ukunceda ukuphucula amandla e-Bondo kunye nexesha elide. Iifomulators zinokwandisa i-HPMC Dosage kunye ne-parameters yokuqulunqa ukufezekisa ibhalansi efanelekileyo yepropathi yoomatshini kunye nokuqina.
5. Ukuqwalaselwa okusebenzayo ngokwenza oko
Ukukhetha amabanga e-HPMC
Xa ukhetha iBakala elifanelekileyo le-HPMC lokuqulunqwa kwe-HEPTYE, iifomulators kufuneka zithathele ingqalelo izinto ezahlukeneyo, kubandakanya izinto zokubonisa, isidanga sokufaka, kunye nokuhambelana nezinye izithako. Amabanga aphezulu e-Viscosity afanelekile ukuba abeke i-prekher kunye nezicelo ezithe nkqo, ngelixa amabanga aphezulu e-Viscosity afanelekile ukuba athambekele kwaye asasazeke lula. Iifomulators kufuneka ziqinisekise ngokuhambelana phakathi kwe-HPMC nakwezinye iizongezo ezinjengeefilimu, imiphetho, kunye nezinto ezigcina izinto zokuphembelela imiba yokusebenza kunye nokupheliswa kwentsebenzo.
ulungiselelo lweDose
Isixa esifanelekileyo se-HPMC sixhomekeke kwizinto ezinje ngeepropathi ezinqwenelekayo, indlela yokufaka isicelo, uhlobo oluqhelekileyo kunye neemeko zokusingqongileyo. Iifomula zenzelwe ukuba ziqukethe uvavanyo olucokisekileyo ukumisela idosi esebenzayo ephumelelayo ephumelela ukusebenza okufunayo ngaphandle kokulalanisa ngendleko. I-HPMC inokuthi ikhokelela ekufakweni kwe-HPMC, ubunzima bokusebenza, amaxesha okonga ixesha elide, ngelixa i-pumele inokukhokelela kulawulo lwe-ratheology kwaye inciphile.
6. Ukuhambelana nezinye izongezo
I-HPMC inxibelelana neezongezo ezahlukeneyo ezisetyenziswayo ezisetyenziswayo ezisetyenziselwa ukubeka, njengamanzi amakhulu, abasasazi kunye nokugcinwa kwezinto ezigciniweyo. Iifomula zenzelwe ukuvavanya ngononophelo ukungqinelana kunye nokudityaniswa kwe-HPMC kunye nezinye izithako ukuqinisekisa ukusebenza kakuhle kunye nozinzo. Uvavanyo lokujonga, kubandakanya uhlalutyo lwendalo kunye novavanyo lokugcina ixesha elide, lunceda ekuchongeni naluphi na unxibelelwano olunokubakho okanye imiba yokwenziwa kwasekuqaleni kwenkqubo yophuhliso ukuze uhlengahlengiso kunye nolungelelwaniso lunokwenziwa.
7. Itekhnoloji yesicelo
Iindlela ezifanelekileyo zokwenza isicelo zibalulekile ekupheliseni ukusebenza kwendlela yokubeka equkethe i-HPMC. Iifomulators kufuneka zinike imiyalelo ecacileyo kunye nezikhokelo zokulungiselela umphezulu, ukuxuba, isicelo kunye nokunyanga ukuqinisekisa iziphumo ezifanelekileyo. Ukufezekisa ububi obufunekayo, ukugungqa kunye nokuqina, ubuchule obufana nokuphambuka, ukuphakama kwenqanaba kunye neengubo ezininzi ezininzi kungafuneka. Uqeqesho kunye nemfundo yabasebenzi bokwakha uqhubeke uqinisekisa iziphumo ezingaguquguqukiyo, ezisemgangathweni, ukunciphisa ukulungisa kunye nemicimbi yewaranti.
IXESHA LOKUQALA: NgoFebwe-22 ukuya ku-2224