Ma'anar danko na hydroxypropyl methylcellulose shine ma'auni mai mahimmanci.Danko baya wakiltar tsarki.Dankowar cellulose HPMC ya dogara da tsarin samarwa.Yanayin amfani daban-daban ya kamata ya zaɓi HPMC cellulose tare da viscosities daban-daban, ba mafi girman danko na HPMC cellulose ba, mafi kyau!Abin da ya dace daidai ne.
Sarrafa Danko
1. A cikin samar da high-danko hydroxypropyl methylcellulose, kawai vacuuming da nitrogen maye gurbinsu ba zai iya samar da sosai high cellulose.Gabaɗaya, ba za a iya sarrafa samar da cellulose mai ƙarfi a cikin Sin ba.Koyaya, idan za'a iya shigar da mitar iskar oxygen a cikin kettle, ana iya sarrafa samar da dankonta ta hanyar wucin gadi.
Amfani da wakilin ƙungiyar
2. Bugu da ƙari, la'akari da saurin maye gurbin nitrogen, yana da sauƙi don samar da samfurori masu mahimmanci ko ta yaya tsarin ya kasance.Tabbas, matakin polymerization na auduga mai ladabi shima yana da mahimmanci.Idan hakan bai yi aiki ba, to yi shi tare da ƙungiyar hydrophobic.Akwai wakilan ƙungiyoyi a wannan yanki a kasar Sin.Wani nau'in wakili na ƙungiyar da za a zaɓa yana da tasiri mai girma akan aikin samfurin ƙarshe.
Hydroxypropyl abun ciki
3. Residual oxygen a cikin reactor take kaiwa zuwa lalatar cellulose da ƙananan kwayoyin nauyi.Duk da haka, idan ragowar iskar oxygen yana da iyaka, idan dai an sake haɗa kwayoyin da suka karye, ba shi da wuya a yi babban danko.Koyaya, ƙimar jikewa yana da alaƙa da abun ciki na hydroxypropyl.Wasu masana'antu kawai suna son rage farashi da farashi, amma ba sa son haɓaka abun ciki na hydroxypropyl, don haka ingancin ba zai iya kaiwa matakin samfuran ƙasashen waje iri ɗaya ba.
wasu dalilai
4. Ruwan riƙewar ruwa na samfurin yana da dangantaka mai kyau tare da hydroxypropyl, amma kuma yana ƙayyade ƙimar riƙewar ruwa, tasirin alkalization, rabo na methyl chloride da propylene oxide, da kuma maida hankali na alkali ga dukan tsarin dauki.Dukansu rabon ruwa da auduga mai ladabi suna ƙayyade aikin samfurin.
Lokacin aikawa: Afrilu-03-2023