A fannin samar da kayan gini, musamman busasshen turmi na foda,cellulose etheryana taka muhimmiyar rawa, musamman wajen samar da turmi na musamman (turmi da aka gyara), muhimmin sashi ne. Muhimmin rawar da cellulose ether mai narkewa cikin ruwa ke takawa a cikin turmi shine mafi kyawun ƙarfin riƙe ruwa. Tasirin riƙe ruwa na cellulose ether ya dogara ne akan shan ruwa na layin tushe, abun da turmi ke ciki, kauri na layin turmi, buƙatar ruwa na turmi, da lokacin saita kayan.
Turmi da yawa na dutse da na filastik ba sa riƙe ruwa sosai, kuma ruwan da slurry za su rabu bayan 'yan mintuna na tsayawa. Rike ruwa muhimmin aiki ne na methyl cellulose ether, kuma aiki ne da yawancin masana'antun turmi na busassun kayan gida, musamman waɗanda ke yankunan kudu masu zafi mai yawa, ke mai da hankali a kai. Abubuwan da ke shafar tasirin riƙe ruwa na turmi na busasshen foda sun haɗa da adadin ƙari, ɗanko, ƙanƙantar ƙwayoyin cuta, da zafin yanayin amfani.
Rike ruwa nacellulose etherkanta ta fito ne daga narkewar da bushewar cellulose ether da kanta. Kamar yadda muka sani, duk da cewa sarkar kwayoyin halitta ta cellulose tana ɗauke da adadi mai yawa na ƙungiyoyin OH masu ruwa sosai, ba ta narkewa a cikin ruwa, saboda tsarin cellulose yana da babban matakin crystallinity. Ikon ruwa na ƙungiyoyin hydroxyl kaɗai bai isa ya rufe ƙarfin haɗin hydrogen da ƙarfin van der Waals tsakanin ƙwayoyin ba. Saboda haka, yana kumbura kawai amma baya narkewa a cikin ruwa. Lokacin da aka shigar da maye a cikin sarkar kwayoyin halitta, ba wai kawai maye yana lalata sarkar hydrogen ba, har ma haɗin hydrogen na interchain yana lalacewa saboda haɗin maye tsakanin sarkar da ke maƙwabtaka. Girman maye, mafi girman nisa tsakanin ƙwayoyin. Girman nisa. Girman tasirin lalata haɗin hydrogen, cellulose ether yana zama mai narkewa cikin ruwa bayan layin cellulose ya faɗaɗa kuma maganin ya shiga, yana samar da mafita mai ƙarfi. Lokacin da zafin jiki ya tashi, ruwan polymer yana rauni, kuma ruwan da ke tsakanin sarkar yana fitar da shi. Idan tasirin bushewar jiki ya isa, ƙwayoyin halittar za su fara taruwa, suna samar da gel mai girman uku sannan su naɗe.
Gabaɗaya dai, yawan danko, mafi girman tasirin riƙe ruwa. Duk da haka, yawan danko da kuma girman nauyin kwayoyin halitta, raguwar narkewar sa zai yi mummunan tasiri ga ƙarfi da aikin ginin turmi. Mafi girman danko, mafi girman tasirin kauri akan turmi, amma ba daidai yake da daidaito ba. Mafi girman danko, mafi girman danko zai kasance, wato, yayin gini, yana bayyana a matsayin mannewa ga abin gogewa da kuma mannewa mai yawa ga substrate. Amma ba shi da amfani a ƙara ƙarfin tsarin turmi mai danshi da kansa. A lokacin gini, aikin hana sag ba a bayyane yake ba. Akasin haka, wasu matsakaici da ƙarancin danko amma an gyara methylƙwayoyin cellulosesuna da kyakkyawan aiki wajen inganta ƙarfin tsarin turmi mai rigar.
Lokacin Saƙo: Afrilu-25-2024