Abubuwan Da Suka Shafi Samar da Danko na Hydroxypropyl Methylcellulose

Indexididdigar danko nahydroxypropyl methylcellulosefihirisa ce mai matukar muhimmanci. 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. High-danko hydroxypropyl methylcellulose ba zai iya samar da sosai high cellulose kawai ta vacuuming da maye gurbin da nitrogen. Gabaɗaya, ba za a iya sarrafa samar da cellulose mai ƙarfi a cikin Sin ba. 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.

Amfani da associative agents

2. Bugu da ƙari, la'akari da saurin maye gurbin nitrogen, kuma a lokaci guda, 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, yi ta ƙungiyar hydrophobic. Akwai wakilai masu haɗin gwiwa na cikin gida dangane da wannan. Wani nau'in wakili na haɗin gwiwar da aka zaɓa yana da tasiri mai girma akan aikin samfurin ƙarshe.

Hydroxypropyl abun ciki

3. Ragowar iskar oxygen a cikin reactor yana haifar da lalacewar cellulose da rage nauyin kwayoyin halitta, amma ragowar oxygen yana da iyaka. Ba shi da wahala a yi babban danko idan dai an sake haɗa ƙwayoyin da suka karye. Koyaya, ƙimar jikewar ruwa shima yana da alaƙa da abun ciki na hydroxypropyl. Wasu masana'antu kawai suna son rage farashi da farashi, kuma 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 riƙe 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, da maida hankali na alkali. . Kuma rabon ruwa zuwa auduga mai ladabi yana ƙayyade aikin samfurin.