Hydroxypropyl methylcellulosejẹ ohun elo aise ti o gbajumo ni lilo. Paapa ni lilo ti putty lulú. Ọpọlọpọ awọn ohun-ini ọja wa gẹgẹbi: iyọda iyọ, iṣẹ-ṣiṣe oju-aye, gelation thermal, PH iduroṣinṣin, idaduro omi, adhesion, bbl Sibẹsibẹ, hydroxypropyl methylcellulose tun jẹ itara si diẹ ninu awọn iṣoro. Awọn idi mẹta wa fun awọn iṣoro naa:
1. Lilo hydroxypropyl methylcellulose
2, jẹ iye ohun elo ipilẹ
3. O ti wa ni a reasonable apapo ti fillers ni awọn agbekalẹ
Fun apẹẹrẹ, awoṣe viscosity ti hydroxypropyl methylcellulose ti wa ni lilo ti ko tọ, iye awọn ohun elo ipilẹ jẹ pupọ, didara kikun ti o dara julọ, ati bẹbẹ lọ titi ti a fi mu awọn igbese iṣakoso fun awọn idi kan pato, gẹgẹbi lilo deede ti hydroxypropyl methylcellulose pẹlu awoṣe viscosity ti 100,000 Ọja, iwọn lilo / toonu yẹ ki o kere si 5, iwọn lilo / iwọn 3. oti polyvinyl powdered ko yẹ ki o tobi ju, ko ga ju 6%. Imudara kikun ni gbogbogbo nlo kikun apapo mesh 325, ati nigbati o ba kọja apapo 600, iṣẹ ikole yoo kan ni odi. Ṣe akiyesi pe ipo ti o wa loke yẹ ki o yanju iṣoro ti fifọ ipele ti ko dara.
Akoko ifiweranṣẹ: Oṣu Kẹwa-20-2022