Abubuwan Da Suka Shafi Samar da Danko na HPMC

1. Kula da danko

High-viscosity hydroxypropyl methylcellulose ba zai iya samar da cellulose mai girma sosai ba kawai ta hanyar vacuuming da maye gurbin da nitrogen.Koyaya, idan za'a iya shigar da kayan aikin auna iskar oxygen a cikin kettle, ana iya sarrafa samar da danko ta hanyar wucin gadi.

2. Amfani da associative agents

Bugu da ƙari, la'akari da saurin maye gurbin nitrogen, kuma a lokaci guda, yanayin iska na tsarin yana da kyau sosai, kuma yana da sauƙi don samar da samfurori masu mahimmanci.Tabbas matakin polymerization na auduga mai ladabi shima yana da mahimmanci.Idan har yanzu bai yi aiki ba, ana amfani da hanyar haɗin gwiwar hydrophobic, kuma wane nau'in wakili ne wanda aka zaɓa yana da tasiri mai girma akan aikin samfurin ƙarshe.

3. Hydroxypropyl abun ciki

Ragowar iskar oxygen a cikin kettle na amsawa yana haifar da cellulose don raguwa kuma nauyin kwayoyin ya ragu, amma ragowar oxygen yana da iyaka.Muddin an sake haɗa ƙwayoyin da suka karye, ba shi da wahala a yi babban danko.Koyaya, ƙimar jikewar ruwa shima yana da alaƙa da alaƙa da abun ciki na hydroxypropyl, Wasu masana'antu kawai suna son rage farashi da farashi, kuma ba sa son ƙara abun ciki na hydroxypropyl, don haka ingancin ba zai iya kaiwa matakin samfuran irin wannan 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, ƙaddamar da alkali da ruwa.Rabo tare da auduga mai ladabi yana ƙayyade aikin samfurin.