Muhimmin rawar da HPMC ke takawa a turmi da aka haɗe da jika yana da abubuwa uku masu zuwa:
1. HPMC yana da kyakkyawan ƙarfin riƙe ruwa.
2. Tasirin HPMC akan daidaito da thixotropy na turmi mai hade da rigar.
3. Mu'amala tsakanin HPMC da siminti.
Riƙewar ruwa muhimmin aiki ne na HPMC, kuma shi ne kuma aikin da yawancin masana'antun turmi-mix ɗin ke kula da su.
Tasirin riƙewar ruwa na HPMC ya dogara da ƙimar shayar da ruwa na tushen tushe, abun da ke cikin turmi, kauri na turmi, buƙatar ruwa na turmi, da lokacin saita kayan saitin.
HPMC - riƙe ruwa
Mafi girman zazzabi na gel na HPMC, mafi kyawun riƙewar ruwa.
Abubuwan da ke shafar riƙon ruwa na turmi mai gauraya rigar sune dankowar HPMC, ƙarin adadin, ƙarancin barbashi da zafin amfani.
Danko shine muhimmin siga don aikin HPMC. Don samfurin iri ɗaya, sakamakon ɗanko da aka auna ta hanyoyi daban-daban ya bambanta da yawa, wasu kuma ma sun ninka bambanci. Sabili da haka, lokacin kwatanta danko, yana buƙatar yin tsakanin hanyoyin gwaji iri ɗaya, gami da zafin jiki, sandal, da sauransu. Gabaɗaya magana, mafi girman ɗanƙoƙi, mafi kyawun tasirin riƙe ruwa.
Duk da haka, mafi girman danko da girman nauyin kwayoyin halitta na HPMC, daidaitaccen raguwa a cikin solubility zai yi mummunan tasiri akan ƙarfin da aikin ginin turmi. Mafi girman danko, mafi bayyane tasirin tasirin turmi, amma ba daidai ba. Mafi girma da danko, da ƙarin danko da rigar turmi ne, wanda ya nuna m ga scraper a lokacin gini da kuma high mannewa ga substrate. Koyaya, HPMC ba ta da ɗan tasiri kan haɓaka ƙarfin tsarin jika ɗin kanta, yana nuna cewa aikin hana sagging ba a bayyane yake ba. Akasin haka, wasu gyare-gyaren HPMC tare da matsakaici da ƙananan danko suna da kyau kwarai wajen haɓaka ƙarfin tsarin jika.
Har ila yau, tarar HPMC tana da wani tasiri akan riƙe ruwa. Gabaɗaya magana, don HPMC tare da ɗanko iri ɗaya amma lafiya daban-daban, mafi kyawun HPMC, mafi kyawun tasirin riƙe ruwa a ƙarƙashin adadin ƙari iri ɗaya.
Lokacin aikawa: Juni-15-2023