Muhimmin rawar da HPMC ke takawa a cikin turmi mai gauraye da aka yi da ruwa galibi yana da waɗannan fannoni uku:
1. HPMC yana da kyakkyawan ƙarfin riƙe ruwa.
2. Tasirin HPMC akan daidaito da thixotropy na turmi mai gauraye da aka jika.
3. Hulɗar da ke tsakanin HPMC da siminti.
Rike ruwa muhimmin aiki ne na HPMC, kuma aiki ne da masana'antun turmi da yawa ke kula da shi.
Tasirin riƙe ruwa na HPMC ya dogara ne akan yawan shan ruwa na layin tushe, abun da aka haɗa da turmi, kauri na turmi, buƙatar ruwa na turmi, da lokacin saita kayan.
HPMC - riƙe ruwa
Mafi girman zafin gel na HPMC, shine mafi kyawun riƙe ruwa.
Abubuwan da ke shafar riƙe ruwa na turmi mai gauraye da aka yi da ruwa sune danko na HPMC, adadin ƙari, ƙarancin barbashi da zafin amfani.
Danko muhimmin ma'auni ne ga aikin HPMC. Ga wannan samfurin, sakamakon danko da aka auna ta hanyoyi daban-daban ya bambanta sosai, wasu ma sun ninka bambanci. Saboda haka, lokacin kwatanta danko, yana buƙatar a yi shi tsakanin hanyoyin gwaji iri ɗaya, gami da zafin jiki, spindle, da sauransu. Gabaɗaya, mafi girman danko, mafi kyawun tasirin riƙe ruwa.
Duk da haka, girman danko da girman nauyin kwayoyin halitta na HPMC, raguwar narkewar sa zai yi mummunan tasiri ga ƙarfi da aikin ginin turmi. Yayin da danko ya fi girma, haka kuma tasirin kauri na turmi ya fi bayyana, amma ba daidai ba. Yayin da danko ya fi girma, haka nan turmi mai danshi ya fi danko, wanda ke nuna mannewa ga abin gogewa yayin gini da kuma mannewa mai yawa ga substrate. Duk da haka, HPMC ba shi da wani tasiri wajen inganta ƙarfin tsarin turmi mai danshi, wanda ke nuna cewa aikin hana lanƙwasawa ba a bayyane yake ba. Akasin haka, wasu HPMC da aka gyara tare da matsakaicin danko da ƙarancin suna da kyau wajen inganta ƙarfin tsarin turmi mai danshi.
Ingancin HPMC yana da wani tasiri a kan riƙe ruwa. Gabaɗaya, ga HPMC mai irin wannan danko amma kuma yana da ɗanko daban-daban, gwargwadon girman HPMC, yana da tasirin riƙe ruwa a ƙarƙashin adadin ƙari iri ɗaya.
Lokacin Saƙo: Yuni-15-2023