Indlela elula yokuchonga ye-hydroxypropyl methylcellulose

I-Cellulose isetyenziswa ngokubanzi kwi-petrochemical, iyeza, ukwenza iphepha, izimonyo, izinto zokwakha, njl njl. Isongezo esinemisebenzi emininzi, kwaye ukusetyenziswa okuhlukeneyo kuneemfuno zokusebenza ezahlukeneyo kwiimveliso ze-cellulose.

Eli nqaku ikakhulu lizisa ukusetyenziswa kunye nendlela yokuchonga umgangatho we-HPMC (i-hydroxypropyl methylcellulose ether), iindidi ze-cellulose ezisetyenziswa ngokuqhelekileyo kwi-putty powder eqhelekileyo.

I-HPMC isebenzisa umqhaphu osulungekileyo njengeyona nto iphambili ekrwada.Inokusebenza kakuhle, ixabiso eliphezulu kunye nokuchasana okulungileyo kwe-alkali.Ifanelekile iputty enganyangekiyo emanzini kunye nodaka lwepolymer eyenziwe ngesamente, i-lime calcium kunye nezinye izinto ezomeleleyo zealkaline.Uluhlu lwe-viscosity yi-40,000-200000S.

Ezi zilandelayo ziindlela ezininzi zokuvavanya umgangatho we-hydroxypropyl methylcellulose eshwankathelwa nguXiaobian kuwe.Yiza ufunde noXiaobian~

1. Ubumhlophe:

Ewe kunjalo, eyona nto ithatha isigqibo ekumiseleni umgangatho we-hydroxypropyl methylcellulose ayinakuba bubumhlophe nje.Abanye abavelisi baya kongeza ii-agent ezimhlophe kwinkqubo yokuvelisa, kulo mzekelo, umgangatho awukwazi ukugwetywa, kodwa ubumhlophe bekhwalithi ephezulu ye-hydroxypropyl methylcellulose ilungile ngokwenene.

2. Ukulunga:

I-Hydroxypropyl methylcellulose idla ngokuba ne-fineness ye-80 mesh, i-100 mesh kunye ne-120 mesh.I-fineness of particles ihle kakhulu, kwaye ukunyibilika kunye nokugcinwa kwamanzi kukwalungile.Le yi-hydroxypropyl methylcellulose ekumgangatho ophezulu.

3. Ukuhanjiswa kokukhanya:

Faka i-hydroxypropyl methylcellulose emanzini kwaye uyinyibilikise emanzini ixesha elithile ukujonga i-viscosity kunye nokungafihli.Emva kokuba i-gel yenziwe, jonga ukukhanya kwayo, ukuhanjiswa kokukhanya bhetele, iphezulu into enganyibilikiyo kunye nococeko.

4. Umxhuzulane okhethekileyo:

Ubukhulu bobunzima obuthile, bungcono, kuba ubunzima bobunzima obuthile, buphezulu umxholo we-hydroxypropyl methyl kuwo, ngcono ukugcinwa kwamanzi.