Hypromellose inogadzirwa sei?

Hypromellose, inozivikanwawo se hydroxypropyl methylcellulose (HPMC), ipolymer inogadzirwa kubva ku cellulose, polysaccharide inowanikwa mumadziro emasero emiti. Kugadzirwa kwe hypromellose kunosanganisira matanho akati wandei, kusanganisira etherification uye kuchenesa. Heino pfupiso yemaitiro e hypromellose:

1. Kutsvaga Cellulose: Maitiro acho anotanga nekutsvaga cellulose, iyo inogona kuwanikwa kubva kumiti yakasiyana-siyana yakadai sehuni, machira edonje, kana zvimwe zvirimwa zvine fibrous. Cellulose inowanzo torwa kubva kumiti iyi kuburikidza nemaitiro akasiyana-siyana emakemikari uye emakanika kuti iwane cellulose yakacheneswa.
2. Kugadziriswa kweEther: Cellulose yakacheneswa inoitwa nenzira yekuchinja makemikari inonzi etherification, uko mapoka ehydroxypropyl nemethyl anoiswa pamusana wecellulose. Kugadziriswa uku kunoitika nekubatanidza cellulose nepropylene oxide (kuunza mapoka ehydroxypropyl) uye methyl chloride (kuunza mapoka emethyl) pasi pemamiriro ezvinhu akadzorwa.
3. Kucheneswa: Mushure mekucheneswa, chigadzirwa chinobuda chinocheneswa kubvisa tsvina nezvimwe zvinobuda kubva mukuita kwechinhu ichi. Izvi zvinogona kusanganisira kusukwa, kusefa, uye dzimwe nzira dzekuparadzanisa kuti pave nechigadzirwa chehypromellose chakachena.
4. Kuomesa uye Kugaya: Hypromellose yakacheneswa inozoomeswa kuti ibvise hunyoro hwakawandisa yozogayiwa kuita upfu hwakatsetseka kana granules. Hukuru hwezvimedu uye chimiro cheupfu hwehypromellose zvinogona kudzorwa kuti zvienderane nezvinodiwa zvekushandiswa kwakasiyana.
5. Kudzora Hunhu: Mukati mekugadzirwa kwezvinhu, matanho ekudzora hunhu anoshandiswa kuona kuchena, kuenderana, uye kushanda kwechigadzirwa chehypromellose. Izvi zvinosanganisira kuyedza zvinhu zvakaita sehuremu hwemamorekuru, viscosity, kunyungudika, nezvimwe zvinhu zvemuviri nemakemikari.
6. Kurongedza uye Kugovera: Kana chigadzirwa chehypromellose chasvika padanho remhando yepamusoro, chinoiswa mumagaba akakodzera uye chinogoverwa kumaindasitiri akasiyana-siyana kuti chishandiswe mumishonga, zvigadzirwa zvekudya, zvizoro, nezvimwewo.

Kazhinji, kugadzirwa kwehypromellose kunosanganisira maitiro akasiyana-siyana emakemikari anodzorwa uye matanho ekuchenesa anoshandiswa ku cellulose, zvichikonzera polymer inoshandiswa zvakasiyana-siyana uye inoshandiswa zvakanyanya ine mashandisirwo akasiyana-siyana mumaindasitiri akasiyana-siyana.