Hydroxypropyl methylcelculose (hpmc) Yinto ebaluleke kakhulu ye-polymer esetyenziswa ngokubanzi kwimveliso yokwakha kunye nezinto ezisebenza njengezixhobo kunye nezityholo. I-HPMC inesigebenga esihle kakhulu, ukugcinwa kwamanzi, ukungqubana kwamanzi, ukwenziwa kweempawu kunye neempawu zokwenza ifilimu, ezenza idlale indima ephambili kwiimeko ezahlukeneyo zesicelo.
1. Isakhiwo semichiza kunye neepropathi ze-HPMC
I-HPMC yi-selsulose efunyenwe ngokufunyanwa ngokuguqula imichiza ye-shemillose, kubandakanya i-hydroxypropy kunye ne-methyreth. Emva kolu hlengahlengiso, i-HPMC ineendlela zomsebenzi ze-hydrophobic kunye ne-hydrophobic kwikhonkco layo le-molecular, ngaloo ndlela zibonisa ukulimala okwahlukileyo, i-viscosity kunye neepropathi zejeli. Inzuzo yolu sakhiwo kukuba ukubethwa kwe-SOITMC utshintsho kumaqondo obushushu ohlukeneyo, ukuze ugcine ukusebenza okuzinzileyo kuluhlu lobushushu ngokubanzi. Ukongeza, i-HPMC inomoya ogqwesileyo emanzini kwaye unokwenza isisombululo esizinzileyo, esibalulekileyo ekuphuculeni ukusebenza kweemveliso ezinamathele kunye nezityholo.
2. Ukusetyenziswa kweI-HPMCKwimihlambi
Amabhetele kufuneka abe nepropathi ebalaseleyo, uxanduva kunye nozinzo, kunye ne-HPMC ibonelela izibonelelo ezibalulekileyo kwezi nkalo:
Nika amandla aphezulu
I-HPMC inomkhosi oqinileyo owomeleleyo, onokuphucula iipropathi eziqhutywa ziziphatho, kwaye ilungele ngokukodwa ngezinto zokwakha ezinjengee-tileshevers kunye namatye. Ukusetyenziswa, amandla anikezelwe yi-HPMC anokukunceda ukubambelela ngokunamathela ngcono kumhlaba wesithamo, ngaloo ndlela ukuphucula intsebenzo yayo kunye nokuqina kwayo.
Ukuphucula ukusebenza
Iziphumo ezihlekisayo ze-HPMC ziyanceda ukuhlengahlengisa i-viscofity ye-oxhesive, ziququzelela ukusebenza kwabasebenzi bokwakha, kwaye iqinisekise ukuba ukunamathela kuhlanganisiwe kunye nokusebenza. Ingakumbi ngexesha lokufakwa kweethayile kunye namatye, abasebenzi bokwakha banokulungelelanisa ngokulula ubukhulu kunye nokusasazeka kokunamathela ngexesha lokwakha, ngaloo ndlela ukufezekisa iziphumo zokwakha ezichanekileyo.
Ukuphucula ukumelana kwemozulu
I-HPMC isebenza njenge-tickener kunye nempahla yokugcina amanzi kwimbeko, iqinisekisa ukuba ukunamathela ekungekho lula ukubhula okwenziwe ngexesha lokukoma, ngakumbi ukunqanda ukumelana namanzi ngokukhawuleza, ngaloo ndlela ukuphulukana nokuxhathisa kwemozulu. Le ndawo ibaluleke ngokukhethekileyo kwizicelo zangaphandle, kuba ubushushu kunye nokufuma kwemeko yendawo engaphandle bunyathela kakhulu, kwaye i-HPMC inokuphucula ukunganyangeki kwe-rack kunye nokunganyangeki kwenkonzo.
I-3. Ukusetyenziswa kwe-HPMC kwimikhosi
Umsebenzi ophambili wezityholo kukugcwalisa izithuba kwaye uvimbe ukungena komoya kunye nokufuma, ngokuqinisekisa ukutywinwa kwezakhiwo zokwakha. Ukusetyenziswa kwe-HPMC kumanqila avelisa izibonelelo ezibalulekileyo.
Ukuphucula iipropathi zokwenza ifilimu
I-HPMC inepropathi efanelekileyo yefilimu, ebalulekileyo ekusebenziseni ukusetyenziswa kweetayile. Emva kokuba itywina elisetywiniweyo, i-HPMC iyenza ifilimu efanayo kunye nefilimu eguquguqukayo enokuthi ihambelane nokufuma kwangaphandle kunye nomoya ukuqinisekisa ukutywina. Ingakumbi kwizicelo ezithile zokudibanisa okanye iindawo eziphakamileyo zokufuma, iipropathi zokwenza ifilimu ze-HPMC zinokuphucula kakhulu iziphumo zokutywina.
Ukuphucula i-elaistity kunye ne-ducity
I-HPMC inokuphucula ubuninzi beetywina, ivumela ukuba bagcine bhetyebhetye kunye nokuzinza xa bejongana nezixhobo ezincinci okanye utshintsho lobushushu kwizakhiwo. Oku krakra kubaluleke kakhulu ekusetyenzisweni kwezityholo ezikwindawo eyahlukeneyo yokwakha (enje ngekhonkrithi, iglasi, enokuthintela isinyithi, ngaloo ndlela siqinisekisa isimo sengqondo sokuhlala kwaye sinokutywina.
Ukuchasana kwamanzi
I-HPMMC's Gorks's Gorky kunye neePropathi zokugcina amanzi zinokunciphisa ngokukuko amanzi kunye nokuphucula ukusebenza kwamanzi kwamanzi. Izityholo ezisetyenziswa kwiindawo ezinomswakama zihlala zijongana nengxaki yokungena kwamanzi, kwaye ukongezwa kwe-HPMC kunokoloko ukuphucula ukusebenza kwamanzi kwamanzi, ngaloo ndlela wandisa ubomi babo ngenkonzo.
4. Ezinye iipropathi kunye nezibonelelo zokusingqongileyo zeI-HPMC
Iimpawu ezilungileyo zokusingqongileyo
I-HPMC, njenge-seluplose yendalo ekhupha indalo, inomsebenzi ofanelekileyo we-biodegradiance kwaye okusingqongileyo ngakumbi kunezinye izinto zekhemikhali. Ukongeza, i-HPMC ayinatyhefu kwaye ayinabungozi, kwaye ayinangozi ebonakalayo kwimpilo yabantu, ngenxa yoko inoncedo olukwizibonelelo zokukhusela kwendalo nokhuseleko. Kwezinye iimeko ezinobungozi, ezinjengezinto zokutywina kokuhonjiswa kwekhaya kunye nezixhobo zokulungisa ukutya, i-HPMC ibe lukhetho olufanelekileyo ngenxa yokhuseleko lwayo.
Qhelanisa noluhlu olubanzi lweemeko zesicelo
I-HPMC inozinzo oluhle kunye nozinzo lobushushu, kwaye inokugcina ukusebenza kwezinto phantsi kweemeko ezahlukeneyo zokusingqongileyo. Enoba ziimeko ezibandayo ezinokubandayo okanye ezishushu nezinomswakama, i-HPMC inokudlala indima yayo ekunxibeleleni nakwizityholo, ezenza ukuba zibe nokuziqhelanisa neemfuno ezahlukeneyo zokwakha kunye nezamashishini.
I-5. Amathemba exesha elizayo
Ngemfuno eyandayo yezinto ezinobuhlobo, ezihlala zininzi nezikhuselekileyo kwimimandla yokwakha kunye nezamashishini, amathuba esicelo se-HPMC abanzi kakhulu. Kwixa elizayo, ngokuqhubela phambili kwetekhnoloji, inkqubo yokuguqulwa kunye neendleko zemveliso ze-HPMC ziya kuthethiswa ngokuthe ngcembe, eziya kuthi zikhulise ngakumbi isabelo sayo kwintengiso kunye neengxowa zentengiso. Ukongeza, ukusebenza kwe-HPMC kunokuphuculwa ngakumbi ngokudibanisa nezinye izongezelelo zomsebenzi, ezinjengeempawu ze-antibacteritery kunye ne-antibacteries, ukuya kufezekisa iimfuno ezahlukeneyo zokwenza isicelo.
Ukusetyenziswa kweI-HPMC Kwimihlambi kunye nezityholo zibonisa ukubaluleka kwayo njengesithako esiphambili. Ukugcinwa kwayo, ukugcinwa kwamanzi, ukwenziwa kwefilimu kunye ne-Adherion Progerity yenza i-HPMC idlala indima ebalulekileyo ekuphuculeni ukusebenza kwemveliso, ukuphucula ubomi bezinto eziphathekayo. Kwixesha elizayo nophuhliso kunye nokusetyenziswa, i-HPMC iya kuqhubeka nokukhuthaza ubugcisa betekhnoloji yezixhobo ezinamathela kunye nezityholo kunye nezisombululo ezifanelekileyo.
Ixesha leposi: UNV-19 ukuya ku-2004