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 ke daidai daidai ne!
1. Kula da danko
High- danko hydroxypropyl methylcellulose ba zai iya samar da sosai high cellulose kawai ta vacuuming da nitrogen maye gurbinsu a samar.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.
2. Amfani da wakili na ƙungiya
Bugu da ƙari, la'akari da saurin maye gurbin nitrogen, yana da sauƙi don samar da samfurori masu danko 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.
3. Hydroxypropyl abun ciki
Ragowar iskar oxygen a cikin reactor yana haifar da lalacewar cellulose da raguwar nauyin kwayoyin halitta, amma ragowar iskar oxygen yana da iyaka, idan dai an sake haɗawa da rushewar kwayoyin halitta, 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 ƙara abun ciki na hydroxypropyl, don haka ingancin ba zai iya kaiwa matakin samfuran ƙasashen waje iri ɗaya ba.
4. Wasu dalilai
Adadin ajiyar ruwa na samfurin yana da dangantaka mai kyau tare da hydroxypropyl, amma ga dukan tsarin amsawa, shi ma yana ƙayyade ƙimar riƙewar ruwa, tasirin alkalization, rabo na methyl chloride da propylene oxide, ƙaddamarwar alkali da riƙewar ruwa.Matsakaicin auduga mai ladabi yana ƙayyade aikin samfurin.
Lokacin aikawa: Afrilu-04-2023