Hydroxypropyl methylcellulose, oo sidoo kale loo yaqaan hypromellose iyo cellulose hydroxypropyl methyl ether, waxaa laga sameeyay cellulose cudbi ah oo aad u saafi ah waxaana si gaar ah loogu nadiifiyaa xaaladaha alkaline.
farqiga:
sifooyin kala duwan
Hydroxypropyl methylcellulose: budo cad ama caddaan ah oo u eg fiber-ka ama granules, oo ka tirsan noocyo kala duwan oo aan ionic ahayn oo ku jira isku darka cellulose, badeecadani waa polymer viscoelastic ah oo nus-synthetic ah, oo aan firfircoonayn.
Hydroxyethyl cellulose waa faybar cad ama jaalle ah, aan ur lahayn, aan sun ahayn ama budo adag, walaxda ugu weyn ee cayriin waa alkali cellulose iyo ethylene oxide etherification, taas oo ah cellulose ether aan ionic milmi karin.
Isticmaalku wuu ka duwan yahay
Warshadaha rinjiga, hydroxypropyl methylcellulose waxay leedahay milmi wanaagsan oo ku jira biyaha ama dareereyaasha dabiiciga ah sida dhumuc-dheereeye, kala firdhiye iyo xasiliye. Polyvinyl chloride waxaa loo isticmaalaa sidii ka-saarista rinjiga ee polymerization-ka joojinta si loo diyaariyo polyvinyl chloride, kaas oo si weyn loogu isticmaalo maqaarka, wax soo saarka warqadda, ilaalinta miraha iyo khudaarta, dharka iyo warshadaha kale.
Hydroxypropyl methylcellulose: ku dhawaad aan milmi karin ethanol buuxa, ether, acetone; ku milmi kara xalka colloidal ee hufan ama qasan ee biyaha qabow, si ballaaran loogu isticmaalo dahaarka, khad, fiilooyin, rinjiyeynta, sameynta waraaqaha, qurxinta, cayayaanka sunta ah, macdanta. Habaynta wax soo saarka, soo kabashada saliidda iyo warshadaha dawooyinka.
milmida kala duwan
Hydroxypropyl methylcellulose: ku dhawaad aan ku milmi karin ethanol buuxa, ether, acetone; ku milma xalka colloidal cad ama xoogaa daruuro leh ee biyo qabow.
Hydroxyethyl cellulose (HEC): Waxay diyaarin kartaa xalal leh kala duwanaansho kala duwan, waxayna leedahay sifooyin wanaagsan oo milix-milmi kara oo loogu talagalay elektrolytyada.
Waqtiga boostada: Diseembar-01-2022