I-HPMC (ihydroxypropyl methylcellulose) ngumxube wodaka obalulekileyo osetyenziswa kakhulu kwizinto zokwakha. Imisebenzi yayo ephambili ibandakanya ukuphuculwa kokugcinwa kwamanzi kwidaka, ukuphucula ukusebenza kunye nokuphucula ukuxhathisa ukuqhekeka. I-fineness ye-AnxinCel®HPMC yenye yeeparitha ezibalulekileyo zokusebenza kwayo, ezichaphazela ngokuthe ngqo ukunyibilika kwayo kunye nokusabalalisa kumdaka kunye nomphumo wokuphucula kwiipropati zodaka.
1. Inkcazo yokucoleka kweHPMC
Ukucolwa kwe-HPMC ngokuqhelekileyo kubonakaliswa ngokomlinganiselo wobungakanani bamasuntswana amasuntswana ayo okanye ipesenti edlula kwisisefu esithile. Amasuntswana e-HPMC anokulunga okuphezulu amancinci kwaye anommandla othile omkhulu womphezulu; Amasuntswana e-HPMC anokulunga okuphantsi makhulu kwaye anendawo encinci yomphezulu othile. Ukulunga kunempembelelo ebalulekileyo kwizinga lokuchithwa, ukufana kokusabalalisa kunye nokusebenzisana kwe-HPMC kunye neengqungquthela zesamente.
2. Impembelelo ekugcinweni kwamanzi
Ukugcinwa kwamanzi luphawu olubalulekileyo lomsebenzi wodaka, oluchaphazela ngokuthe ngqo ukusebenza kokwakhiwa kunye nomgangatho emva kokuqina. Ukuphakama kwe-fineness ye-HPMC, amaqhekeza asasazwa ngokulinganayo kumdaka, onokuthi wenze umqobo wokugcinwa kwamanzi axineneyo, ngaloo ndlela uphucula kakhulu ukugcinwa kwamanzi odaka. Ukongeza, i-HPMC ecolekileyo inyibilika ngokukhawuleza kwaye inokugcina amanzi kwangethuba, nto leyo eluncedo kakhulu kubushushu obuphezulu okanye kulwakhiwo olusisiseko olufunxa kakhulu amanzi.
Nangona kunjalo, ukucoleka okugqithisileyo kunokubangela ukuba i-HPMC idityaniswe xa idibana ngokukhawuleza namanzi, ichaphazela ukusasazwa kwayo ngokulinganayo kudaka, ngokwenjenjalo inciphisa eyona mpembelelo yokugcinwa kwamanzi. Ke ngoko, iimfuno zokwenyani zesicelo kufuneka ziqwalaselwe ngokubanzi xa ukhetha ukucoleka kweHPMC.
3. Impembelelo ekusebenzeni
Ukusebenza kubhekiselele kulwakhiwo lodaka, olubhekiselele ikakhulu kwi-fluidity kunye ne-thixotropy yodaka. Amasuntswana e-HPMC anokulunga okuphezulu angenza inkqubo ye-colloid efanayo kudaka emva kokunyibilika, okunceda ukuphucula ukugcwala kunye nokuthambisa kodaka, ngaloo ndlela kuphuculwe ukusebenza. Ingakumbi kulwakhiwo olunoomatshini, ukulunga okuphezulu kwe-HPMC kunokunciphisa ukuxhathisa kokutshiza kunye nokuphucula ukusebenza kakuhle kolwakhiwo.
Ngokuphambene noko, ngenxa yesantya esicothayo sokuchithwa kweengqungquthela ze-HPMC ezinobuhle obuphantsi, udaka lunokuba ne-viscosity eyaneleyo kwinqanaba lokuqala lokuxuba, elichaphazela ukuvakalelwa komsebenzi wokwakha. Ukongeza, i-HPMC enamaqhekeza amakhulu inokuthi isasazwe ngokungalingani kumdaka, echaphazela ukusebenza ngokubanzi.
4. Impembelelo ekuxhathiseni ukuqhekeka
Ukuchasana nokuqhekeka kuchaphazeleka ikakhulu kukuncipha kokumisa kunye nokuhanjiswa kwangaphakathi okufanayo kodaka. I-HPMC enokulunga okuphezulu kunokusasazwa ngokulungeleleneyo kudaka ukwenza ifilimu ye-cellulose eqhubekayo, ebambezela izinga lokunyuka kwamanzi kunye nokunciphisa ukushwabana komile kodaka, ngaloo ndlela kuphuculwe ngempumelelo ukuxhathisa kokuqhekeka.
Kwelinye icala, i-HPMC enokulunga okusezantsi ithande ukwenza iindawo ezixineneyo zengingqi ngaphakathi kodaka ngenxa yokusasazwa okulambathayo, ayikwazi ukulawula ngokufanelekileyo ukomisa ukushwabana, kwaye inokumelana nokuqhekeka okulambathayo.
5. Impembelelo kumandla
Ukucoleka kwe-HPMC kunempembelelo engathanga ngqo ekomeleleni kodaka. I-HPMC enokucoleka okuphezulu idla ngokunceda isamente ukuba ifake amanzi ngokuzeleyo ngakumbi ngenxa yokuphuculwa kogcino lwamanzi kunye nokusasazwa, ngaloo ndlela kuphuculwe amandla okuqala odaka. I-AnxinCel®HPMC ene-fineness ephantsi ibuthathaka ekudambiseni nasekuhanjisweni, oku kunokukhokelela ekungoneleni kwe-hydration kwiindawo zendawo, ngaloo ndlela kuchaphazela ukufana kwamandla omdaka.
Kufuneka kuqatshelwe ukuba umxholo ophezulu we-HPMC okanye ukucolwa kunokuba nefuthe elibi kumandla, kuba i-cellulose ngokwayo inegalelo elilinganiselweyo kwiipropati zomatshini zodaka, kwaye kakhulu kuya kunciphisa umlinganiselo we-aggregate kunye ne-samente.
6. Iingqwalasela zezoqoqosho nezokwakha
Kwiiprojekthi zokwenyani, umgangatho ophezulu we-HPMC udla ngokubiza kakhulu, kodwa izibonelelo zayo zokusebenza ziyabonakala, kwaye ifanelekile kumathuba aneemfuno eziphezulu zokugcina amanzi kunye nokumelana nokuqhekeka. Ngeemfuno zolwakhiwo jikelele, ukulunga okuphakathi kwe-HPMC kunokudla ukuzuza ulungelelwano phakathi kokusebenza noqoqosho.
HPMC kunye nokucoleka okwahlukileyo kunempembelelo ebalulekileyo kwiipropati zodaka. I-HPMC ye-High-fineness ngokuqhelekileyo inomsebenzi ophezulu ngokumalunga nokugcinwa kwamanzi, ukusebenza kunye nokumelana nokuqhekeka, kodwa ixabiso liphezulu kwaye linokubangela umngcipheko we-agglomeration ngexesha lenkqubo yokuchithwa; i-low-fineness HPMC iphantsi ngexabiso, kodwa inemida ekuphuculeni ukusebenza. . Ukhetho olunengqiqo lwe-AnxinCel®HPMC yokucoleka ngokweemfuno ezithile zokwakha sisicwangciso esibalulekileyo sokuphucula ukusebenza kodaka kunye neendleko zokulawula.
Ixesha lokuposa: Jan-08-2025