Bayani: MHEC LH 620M

Ana amfani da EiponCell MHEC LH 620M methyl hydroxyethyl cellulose a cikin gypsum slurry don samar da sakamako mai kauri mai gani.A dakin da zafin jiki, yayin da danko da sashi na cellulose ether karuwa, da thickening sakamako ya zama mafi bayyana.Duk da haka, yayin da zafin jiki ya tashi, danko na ether cellulose yana raguwa, yana haifar da rauni na tasirinsa.Wannan yana haifar da raguwar yawan damuwa mai ƙarfi, dankon filastik, da pseudoplasticity na cakuda gypsum, wanda ke haifar da rashin aiki mara kyau.

Cellulose ether yana haɓaka riƙewar ruwa na gypsum.Duk da haka, yayin da yawan zafin jiki ya karu, riƙewar ruwa na gypsum da aka gyara yana raguwa sosai kuma har ma ya rasa tasirin ingantawar ruwa a 60 ° C.Adadin ajiyar ruwa na gypsum slurry yana da matukar ingantawa ta hanyar ether cellulose, kuma yawan riƙewar ruwa a hankali ya kai matsayin jikewa tare da haɓaka abun ciki don HPMC da aka gyara gypsum slurry tare da viscosities daban-daban.Gabaɗaya, riƙewar ruwa na gypsum yana daidai da danko na ether cellulose, amma yana da ɗan tasiri a babban danko.

Canje-canje a cikin riƙewar ruwa na ethers cellulose tare da zafin jiki suna da alaƙa da alaƙa da ƙananan ƙwayoyin cuta na ethers cellulose a cikin lokacin ruwa.A wani taro mai mahimmanci, ether cellulose yana kula da tarawa da samar da manyan ƙungiyoyin colloidal, yadda ya kamata ya toshe hanyoyin isar da ruwa na cakuda gypsum don cimma ingantaccen ruwa.Duk da haka, yayin da zafin jiki ya tashi, abubuwan da ke tattare da thermal gelation na cellulose ether suna haifar da manyan ƙungiyoyin colloidal da aka kafa a baya don sake tarwatsawa, wanda ya haifar da raguwa a cikin ruwa.