Gabaɗaya magana, danko na hydroxypropyl methylcellulose ya fi girma.Duk da haka, shi ma ya dogara da matakin canji da matsakaicin matakin maye gurbin.Hydroxypropyl methyl cellulose nasa ne ga wadanda ba ionic cellulose ether, bayyanar ne fari foda, wari da m, mai narkewa a cikin ruwa da kuma mafi iyakacin duniya kaushi Organic kaushi da kuma dace rabo na ethanol / ruwa, propanol / ruwa, dichlorethylene Ba shi yiwuwa a cikin alkanes, acetone, da cikakken ethanol, kuma yana kumbura a cikin bayani mai tsabta ko ɗan turbid colloidal a cikin ruwan sanyi.Maganin ruwa mai ruwa yana da aikin saman, yana samar da fim na bakin ciki bayan bushewa, yana jujjuya canjin canji daga sol zuwa gel a jere akan dumama da sanyaya.Babban nuna gaskiya da kwanciyar hankali.
Hydroxypropyl methylcellulose yana da mallaki na thermal gelation.Bayan an ɗora ruwan ruwa na samfurin, yana samar da gel kuma yana haɓaka, kuma ya narke bayan sanyaya.Yanayin gelation na ƙayyadaddun bayanai daban-daban ya bambanta.Solubility ya bambanta da danko.Ƙananan danko, mafi girma da solubility.Kaddarorin hydroxypropyl methylcellulose tare da ƙayyadaddun bayanai daban-daban sun bambanta.Rushewar hydroxypropyl methylcellulose a cikin ruwa ba shi da tasiri ta ƙimar pH.
Features: Yana da halaye na thickening ikon, gishiri fitarwa, PH kwanciyar hankali, ruwa riƙewa, girma da kwanciyar hankali, m fim-forming dukiya, fadi da kewayon enzyme juriya, dispersibility da cohesiveness.
Riƙewar ruwa na samfuran hydroxypropyl methylcellulose galibi yana shafar abubuwa masu zuwa:
1. Uniformity na hydroxypropyl methylcellulose
Hydroxypropyl methylcellulose, methoxyl da hydroxypropoxyl da aka amsa daidai gwargwado ana rarraba su daidai gwargwado, kuma yawan riƙe ruwa yana da yawa.
2. Hydroxypropyl methylcellulose thermal gel zafin jiki
Mafi girman zafin jiki na thermal gel, mafi girman adadin riƙewar ruwa;in ba haka ba, ƙananan yawan ajiyar ruwa.
3. Dankowar hydroxypropyl methylcellulose
Lokacin da danko na hydroxypropyl methylcellulose ya karu, yawan riƙewar ruwa kuma yana ƙaruwa;lokacin da danko ya kai wani matakin, haɓakar yawan riƙe ruwa yakan zama mai laushi.
4. Adadin hydroxypropyl methylcellulose da aka kara
Mafi girman adadin hydroxypropyl methylcellulose da aka ƙara, mafi girma yawan adadin ruwa kuma mafi kyawun tasirin ruwa.A cikin kewayon 0.25-0.6% ƙari, yawan riƙewar ruwa yana ƙaruwa da sauri tare da karuwar adadin adadin;lokacin da adadin adadin ya ƙara ƙaruwa, haɓakar haɓakar yanayin riƙe ruwa yana raguwa.
Lokacin aikawa: Maris 14-2023