A matsayinsa na ɗaya daga cikin muhimman abubuwan da ke haɗa cellulose ether a cikin busasshen turmi, hydroxypropyl methylcellulose yana da ayyuka da yawa a cikin turmi. Mafi mahimmancin rawar da hydroxypropyl methylcellulose ke takawa a cikin turmi na siminti shine riƙe ruwa da kauri. Bugu da ƙari, saboda hulɗarsa da tsarin siminti, yana iya taka rawa ta musamman wajen shigar da iska, rage yanayin, da inganta ƙarfin haɗin gwiwa.
Mafi mahimmancin aikin hydroxypropyl methylcellulose a cikin turmi shine riƙe ruwa. A matsayin wani abu mai kama da cellulose ether a cikin turmi, ana iya amfani da hydroxypropyl methylcellulose a kusan dukkanin samfuran turmi, galibi saboda riƙe ruwa. Gabaɗaya, riƙe ruwa na hydroxypropyl methylcellulose yana da alaƙa da ɗankonsa, matakin maye gurbinsa da girman barbashi.
Ana amfani da Hydroxypropyl methylcellulose a matsayin mai kauri, kuma tasirin kauri yana da alaƙa da matakin maye gurbin, girman barbashi, danko da kuma matakin gyaran hydroxypropyl methylcellulose. Gabaɗaya, mafi girman matakin maye gurbin da danko na cellulose ether, da kuma ƙaramin barbashi, haka tasirin kauri yake bayyana.
A cikin hydroxypropyl methylcellulose, gabatar da rukunin methoxy yana rage kuzarin saman ruwan da ke ɗauke da hydroxypropyl methylcellulose, ta yadda hydroxypropyl methylcellulose ke da tasirin shiga iska akan turmi na siminti. Shigar da kumfa mai kyau a cikin turmi, saboda "tasirin ƙwallon" na kumfa na iska,
An inganta aikin ginin turmi, kuma a lokaci guda, shigar da kumfa na iska yana ƙara yawan fitar turmi. Tabbas, ana buƙatar a kula da yawan shigar iska. Yawan shigar iska zai yi mummunan tasiri ga ƙarfin turmi.
Hydroxypropyl methylcellulose zai jinkirta tsarin saita siminti, ta haka yana rage saurin saitawa da taurare siminti, da kuma tsawaita lokacin buɗe turmi daidai da haka, amma wannan tasirin ba shi da kyau ga turmi a yankunan sanyi.
A matsayin wani abu mai dogon sarka na polymer, hydroxypropyl methylcellulose na iya inganta aikin haɗin gwiwa tare da substrate bayan an ƙara shi cikin tsarin siminti a ƙarƙashin manufar kiyaye cikakken danshi a cikin slurry.
A taƙaice, aikin daHPMCa cikin turmi galibi ya haɗa da: riƙe ruwa, kauri, tsawaita lokacin saitawa, shigar da iska da inganta ƙarfin haɗin gwiwa, da sauransu.
Lokacin Saƙo: Disamba-19-2022