Hababka caadiga ah iyo kuwa fudud ee lagu kala saaro tayada HPMC cellulose:
1. Xaaladda muuqaalka ah ee cellulose saafi ah ee HPMC waa qalafsanaan, iyo cufnaanta guud waa mid yar, oo leh 0.3-0.4g/ml; cellulose-ka HPMC ee la sinaystay waxa uu leeyahay dareere ka wanaagsan iyo dareenka gacanta oo ka culus, kaas oo si weyn uga duwan muuqaalka alaabta dhabta ah.
2. Cadaadiska saafiga ah ee HPMC cellulose waa wanaagsan yahay, taas oo macnaheedu yahay in alaabta ceeriin ee loo isticmaalo wax soo saarka ay yihiin saafi iyo falcelintu waa mid aad u qoto dheer oo aan wasakh ahayn. Marka la barbardhigo alaabooyinka ether-ka cellulose ee ajnabiga ah ee khuseeya, waxaa la arki karaa in caddaanka ah ee alaabta ether-ka ee cellulose-ka wanaagsan ay had iyo jeer ka fiican tahay alaabada sumadda labaad ee gudaha.
3. Saafiga saafiga ah ee HPMC cellulose aqueous waa cad, oo leh gudbinta iftiinka sare, iyo xajinta biyaha ≥ 97%; Xalka aqueous-ka ee HPMC cellulose-ka-soo-baxa ah waa turbid, iyo heerka haynta biyuhu way adag tahay in la buuxiyo shuruudaha. Gudbinta iftiinka ee xalka aqueous waa wanaagsan yahay, taas oo muujinaysa in alaabtu ay ka kooban tahay walxo aan la milmi karin iyo maadada sare ee maaddooyinka firfircoon.
4. cellulose HPMC saafi ah waa in aanu ur ammonia, istaarij iyo aalkolo; Unugyada HPMC ee la sinaday waxay badanaa uriyaan dhammaan noocyada dhadhanka. Xitaa haddii aysan dhadhan lahayn, waxay dareemi doontaa culeys.
5. Budada cellulose ee HPMC ee saafiga ah waa faybar hoostiisa mikroskoob ama muraayada weynaynta; cellulose-ka HPMC ee la sinaystay waxa loo arki karaa sida granular adag ama crystal hoostiisa mikroskoob ama muraayada weynaynta.
6. Habka tijaabada fudud ee nuxurka dambaska ee ether cellulose: miisaan hal ilaa laba garaam oo ether cellulose ah, ku shid khafiif ah, miisaan hadhaaga dambaska ee ay kaga tagtay gubashada etherka cellulose, iyo marka hadhaaga ash / cellulose ether waa ≥ 5 %, tayada etherka cellulose asal ahaan waa mid aan u qalmin. (mararka qaar waxaa jira khaladaad habkan ah. Marka hore, soo-saaruhu wuxuu isku daray alaabada ku habboon macaamiisha gaarka ah ee macaamiisha ka hor inta aysan ka tagin warshadda; labaad, wakiilada ama warshadeeyayaasha waxay ku daraan walxo guban leh oo ay ku jiraan waxyaabo yar oo dambas ah marka ay sinaystaan)
7. Qaar ka mid ah warshadaha iyo qoysaska waxay isticmaalaan qadar yar oo C cellulose ah oo lagu qaso hydroxypropyl methyl cellulose ether, iyo marka dareeraha biyaha ee C cellulose ay la kulmaan tiin, silver, aluminium, lead, iron, copper iyo biraha culus qaarkood, falcelinta roobka ayaa dhacaya; Marka xalka aqueous c-cellulose uu la noolaado kalsiyum, magnesium iyo milix, ma soo saari doono roobab, laakiin waxay yareyn doontaa viscosity ee xalka aqueous c-cellulose.
8. Haddii ay xaaladdu ogolaato, si toos ah u tijaabi viscosity of aqueous solution of cellulose ether oo is barbar dhig heerka haynta biyaha ee hoobiyeyaasha ether cellulose ku yar
Sida xirfadle soo saaraha ether cellulose, Yungcel cellulose waxay si kal iyo laab ah u siin doontaa macaamiisha alaabooyinka iyo adeegyada ugu tayada sarreeya
Waqtiga boostada: Jul-05-2022