Turmi mai gauraya da aka jika: turmi mai gauraya wani nau'in siminti ne, mai laushi, cakuda da ruwa, kuma bisa ga halayen abubuwa daban-daban, bisa ga wani rabo, bayan an auna shi a tashar hadawa, a gauraya, a kai shi wurin da ake amfani da motar, sannan a shiga cikin wani wuri na musamman Ajiye akwati kuma a yi amfani da cakuda mai gauraya da aka gama na tsawon lokacin da aka ƙayyade.
Ana amfani da Hydroxypropyl methylcellulose a matsayin maganin riƙe ruwa don turmi na siminti da kuma mai hana ruwa shiga famfo. Idan aka yi amfani da gypsum a matsayin abin ɗaurewa don inganta amfani da shi da kuma tsawaita lokacin aiki, riƙe ruwa na HPMC yana hana tsagewar ruwa da sauri bayan bushewa, kuma yana inganta ƙarfi bayan taurarewa. Rike ruwa muhimmin abu ne na hydroxypropyl methylcellulose HPMC, kuma hakan yana damun masana'antun turmi na cakuda da ruwa na cikin gida. Abubuwan da ke shafar tasirin riƙe ruwa na turmi da aka haɗa da ruwa sun haɗa da adadin HPMC da aka ƙara, ɗanɗanon HPMC, ƙanƙantar ƙwayoyin da kuma zafin yanayin amfani.
Akwai manyan ayyuka guda uku na hydroxypropyl methylcellulose HPMC a cikin turmi mai cakuda ruwa, ɗaya yana da kyakkyawan ƙarfin riƙe ruwa, ɗayan kuma shine tasirin da ke kan daidaito da thixotropy na turmi mai cakuda ruwa, na uku kuma shine hulɗa da siminti. Rike ruwa na cellulose ether ya dogara da yawan shan ruwa na tushe, abun da ke cikin turmi, kauri na layin turmi, buƙatar ruwa na turmi, da lokacin saitawa. Mafi girman bayyanannen hydroxypropyl methylcellulose, mafi kyawun riƙe ruwa.
Abubuwan da ke shafar riƙe ruwa na turmi mai gauraye da aka haɗa sun haɗa da danko na cellulose ether, adadin ƙari, girman barbashi da zafin jiki. Girman danko na cellulose ether, haka nan riƙon ruwa zai fi kyau. Danko muhimmin siga ne na aikin HPMC. Ga wannan samfurin, sakamakon amfani da hanyoyi daban-daban don auna danko ya bambanta sosai, kuma wasu ma suna da rata biyu. Saboda haka, dole ne a yi kwatancen danko ta hanyar gwaji ɗaya, gami da zafin jiki, sandar ƙarfe, da sauransu.
Gabaɗaya dai, yawan danko, haka nan yawan riƙe ruwa yake. Duk da haka, yawan danko, yawan nauyin kwayoyin halitta na HPMC da kuma ƙarancin narkewar HPMC, wanda ke da mummunan tasiri ga ƙarfi da aikin ginin turmi. Mafi girman danko, haka nan kuma tasirin kauri na turmi yake bayyana, amma ba shi da alaƙa kai tsaye. Mafi girman danko, mafi girman danko, mafi girman danko, mafi kyawun aikin gini, aikin scraper mai kauri da kuma mafi girman mannewa ga substrate. Duk da haka, ƙaruwar ƙarfin tsarin turmi mai kauri ba ya taimakawa. Gine-gine biyu ba su da wani aiki na hana sag. Sabanin haka, wasu matsakaici da ƙarancin danko amma hydroxypropyl methylcellulose da aka gyara suna da kyakkyawan aiki wajen inganta ƙarfin tsarin turmi mai kauri.
Mafi girman adadin cellulose ether da aka ƙara a cikin turmi mai laushi na PMC, mafi kyawun riƙe ruwa, da kuma yawan ɗanko, mafi kyawun riƙe ruwa. Ƙarfin kuma muhimmin alamar aiki ne na hydroxypropyl methylcellulose.
Ingancin hydroxypropyl methylcellulose shima yana da wani tasiri akan riƙe ruwa. Gabaɗaya, ga hydroxypropyl methylcellulose mai kama da danko da kuma ɗanko daban-daban, ƙaramin ingancin, ƙaramin tasirin riƙe ruwa a ƙarƙashin adadin ƙarin. mafi kyau.
A cikin turmi mai gauraye da aka yi da ruwa, adadin ƙarin cellulose ether HPMC yana da ƙasa sosai, amma yana iya inganta aikin ginin turmi mai gauraye sosai, kuma shine babban ƙari wanda ke shafar aikin turmi. Zaɓin hydroxypropyl methylcellulose mai kyau, aikin turmi mai gauraye yana da tasiri sosai.
Lokacin Saƙo: Afrilu-25-2023