Dhowr arrimood oo waaweyn oo saameeya haynta biyaha ee hydroxypropyl methylcellulose

Hydroxypropyl methylcellulose (HPMC) waa eter cellulose aan-ionic ahayn oo laga sameeyay cellulose maadada polymer dabiiciga ah iyada oo loo marayo taxane kiimiko ah. Waa budo cad oo aan ur lahayn, dhadhamin iyo aan sun ahayn oo barara xal kolloidal oo cad ama xoogaa daruuro leh oo biyo qabow ah. Waxay leedahay dhumuc, xidhidh, kala firdhisan, emulsifying, filim samaynta, laalista, adsorbing, gelling, dusha firfircoon, qoyaan-hayntiisa iyo sifooyinka kolloid ilaalinta. Hydroxypropyl methyl cellulose iyo methyl cellulose waxaa loo isticmaali karaa qalabka dhismaha, warshadaha rinjiga, xabagta synthetic, warshadaha dhoobada, daawada, cuntada, dharka, beeraha, kiimikooyinka maalinlaha ah iyo warshadaha kale.

Haysashada biyaha ee hydroxypropyl methylcellulose alaabta HPMC lafteeda waxaa badanaa saameeya arrimaha soo socda:

1. Qadarka hydroxypropyl methylcellulose HPMC ayaa lagu daray Inta badan xaddiga cellulose ether HPMC ee lagu daray, sare u kaca heerka haynta biyaha iyo si fiican u haynta biyaha. Inta u dhaxaysa 0.25-0.6% ee dheeraadka ah, xajinta biyaha ayaa si degdeg ah u kordheysa iyadoo la kordhinayo qadarka dheeraadka ah; marka lacagta dheeriga ah ay sii korodho, korodhka korodhka xadiga biyaha ayaa hoos u dhacaya.

2. viscosity HPMC ee hydroxypropyl methylcellulose Marka mawjadaha HPMC kordho, heerka haynta biyaha sidoo kale wuu kordhiyaa; marka viscosity gaaro heer gaar ah, kororka heerka haynta biyuhu waxay u egtahay mid dabacsan.

3. Hydroxypropyl methylcellulose HPMC heerkulka jelka kulaylka Heerkulka Heerkulka Sare, heerka haynta biyaha sare; haddii kale, heerka haynta biyaha hoose.

4. Hydroxypropyl methylcellulose HPMC homogeneity HPMC oo leh falcelin isku mid ah, metoxyl iyo hydroxypropoxyl si siman ayaa loo qaybiyaa, heerka xajinta biyuhuna waa sarreeyaa.