Hydroxypropyl methylcelluloseHPMCshi ne ether cellulose maras ionic wanda aka yi daga kayan polymer na halitta cellulose ta hanyar tsarin sarrafa sinadarai.Farin foda ne mara wari, mara ɗanɗano kuma mara guba wanda ke kumbura a cikin ruwan sanyi zuwa bayani mai haske ko ɗan ɗanɗano.Yana yana da kaddarorin thickening, dauri, dispersing, emulsifying, film-forming, suspending, adsorbing, gelling, surface-aiki, rike danshi da m colloid.Hydroxypropyl methylcellulose, methylcellulose za a iya amfani da a ginin kayan, shafi masana'antu, roba guduro, yumbu masana'antu, magani, abinci, yadi, noma, yau da kullum sunadarai da sauran masana'antu.
Sakamakon riƙewar ruwa da ka'idar hydroxypropyl methylcellulose HPMC
Cellulose ether HPMC yafi taka rawa na ruwa riƙewa da thickening a siminti turmi da gypsum tushen slurry, wanda zai iya yadda ya kamata inganta cohesion da sag juriya na slurry.
Abubuwa kamar zafin iska, zafin jiki da matsa lamba na iska za su yi tasiri ga yawan canjin ruwa a cikin turmi siminti da samfuran tushen gypsum.Sabili da haka, a cikin yanayi daban-daban, akwai wasu bambance-bambance a cikin tasirin riƙewar ruwa na samfuran tare da adadin adadin HPMC da aka ƙara.A cikin ƙayyadaddun ginin, ana iya daidaita tasirin riƙe ruwa na slurry ta ƙara ko rage adadin adadin HPMC da aka ƙara.Riƙewar ruwa na methyl cellulose ether a babban zafin jiki alama ce mai mahimmanci don bambanta ingancin methyl cellulose ether.Mafi kyawun samfuran samfuran HPMC na iya magance matsalar riƙewar ruwa a ƙarƙashin babban zafin jiki.A cikin yanayin zafi mai zafi, musamman a wurare masu zafi da bushewa da kuma gine-gine na bakin ciki a gefen rana, ana buƙatar HPMC mai inganci don inganta riƙe ruwa na slurry.High quality-HPMC, tare da kyau sosai uniformity, ta methoxy da hydroxypropoxy kungiyoyin suna ko'ina rarraba tare da cellulose kwayoyin sarkar, wanda zai iya inganta ikon da oxygen atom a kan hydroxyl da ether bond to cudanya da ruwa don samar da hydrogen shaidu , don haka da cewa. Ruwan kyauta ya zama ruwan ɗaure, ta yadda za a iya sarrafa ƙaƙƙarfan ƙawancen ruwa da ke haifar da yanayin zafi mai yawa da kuma cimma babban riƙon ruwa.
High quality-cellulose HPMC za a iya uniformly kuma yadda ya kamata a tarwatsa a cikin siminti turmi da gypsum tushen kayayyakin, da kuma encapsulates duk m barbashi, da kuma samar da wani wetting film, da kuma danshi a cikin tushe da aka sannu a hankali saki na dogon lokaci.Halin hydration na kayan coagulating yana faruwa, ta haka yana tabbatar da ƙarfin haɗin gwiwa da ƙarfin matsawa na kayan.Sabili da haka, a cikin ginin zafi mai zafi, don cimma tasirin riƙewar ruwa, ya zama dole don ƙara samfuran HPMC masu inganci bisa ga tsari, in ba haka ba, za a sami rashin isasshen ruwa, raguwar ƙarfi, fashe, fadowa da faɗuwa. saboda saurin bushewa.Hakanan yana ƙara wahalar gini ga ma'aikata.Yayin da zafin jiki ya ragu, za a iya rage yawan adadin HPMC a hankali, kuma ana iya samun irin wannan tasirin ruwa.
Riƙewar ruwa na hydroxypropyl methylcellulose samfurin HPMC da kansa yana shafar abubuwa masu zuwa:
1. Cellulose ether HPMC homogeneity
HPMC da aka amsa daidai gwargwado yana da iri ɗaya rarraba methoxy da ƙungiyoyin hydroxypropoxy da babban riƙon ruwa.
2. Cellulose ether HPMC thermal gel zazzabi
Mafi girman zafin jiki na thermal gel, mafi girman adadin riƙewar ruwa;in ba haka ba, ƙananan yawan ajiyar ruwa.
3. Cellulose ether HPMC danko
Lokacin da danko na HPMC ya karu, yawan ajiyar ruwa kuma yana ƙaruwa;lokacin da danko ya kai wani matakin, haɓakar yawan riƙewar ruwa yakan zama mai laushi.
4. Cellulose ether HPMC adadin adadin
Mafi girman adadin adadin cellulose ether HPMC, mafi girman adadin ajiyar ruwa kuma mafi kyawun tasirin ruwa.A cikin kewayon 0.25-0.6%, yawan adadin ruwa yana ƙaruwa da sauri tare da ƙara yawan adadin adadin;lokacin da adadin adadin ya ƙara ƙaruwa, haɓakar haɓakar yanayin riƙe ruwa ya zama mai hankali.
Lokacin aikawa: Oktoba-20-2022