Hydroxypropyl methyl cellulose a cikin siminti da gypsum tushen plaster

HPMC Hydroxypropyl methyl cellulosea cikin siminti turmi da gypsum slurry, yafi taka rawar da ruwa riƙewa da thickening, iya yadda ya kamata inganta mannewa da sag juriya na slurry.

Zazzabi na iska, zafin jiki da matsa lamba na iska na iya shafar yawan ƙawancen ruwa a cikin turmi siminti da samfuran tushen gypsum. Don haka a cikin yanayi daban-daban, ƙara hydroxypropyl methyl cellulose daidai adadin tasirin samfurin ruwa yana da wasu bambance-bambance. A cikin simintin ginin, ana iya daidaita tasirin riƙe ruwa na slurry ta ƙara ko rage adadin HPMC. Riƙewar ruwa na methyl cellulose ether a babban zafin jiki alama ce mai mahimmanci don bambanta ingancin methyl cellulose ether.

Madallahydroxypropyl methyl cellulosejerin samfurori na iya magance matsalar rashin ruwa a ƙarƙashin babban zafin jiki. A cikin yanayin zafi mai zafi, musamman a wurare masu zafi da bushewa da kuma gina gine-gine na bakin ciki a gefen rana, buƙatar HPMC mai inganci don inganta riƙewar ruwa na slurry; hydroxypropyl methyl cellulose (HPMC), uniformity ne mai kyau sosai, yana da wani oxygen da oxygen hydroxypropyl kungiyoyin a ko'ina rarraba tare da cellulose sarkar, iya inganta hydroxyl da ether oxygen da ruwa a kan key associating form hydrogen bonding ikon, yin free ruwa na hydration. don sarrafa yadda ya kamata yanayin zafi ya haifar da danshi don ƙafewa, Cimma babban riƙe ruwa.

High quality na hydroxypropyl methyl cellulose iya uniformly da kuma yadda ya kamata tarwatsa a cikin siminti turmi da plaster kayayyakin, da kuma kunshin duk m barbashi, da kuma samar da wani Layer na wetting fim, da danshi a cikin tushe na dogon lokaci sannu a hankali saki, kuma inorganic cementitious abu hydration dauki. , don tabbatar da ƙarfin haɗin gwiwa da ƙarfin matsawa na kayan.

A cikin ginin, don cimma tasirin kiyaye ruwa, yana buƙatar ƙara yawan inganciHPMCsamfurori daidai da tsarin, in ba haka ba, za a sami bushewa da sauri sakamakon rashin isasshen ruwa, raguwar ƙarfi, tsagewa, ganga mara kyau da zubar da inganci, amma kuma yana ƙara wahalar gina ma'aikata. Yayin da zafin jiki ya ragu, za a iya rage yawan ruwa na HPMC a hankali, kuma ana iya samun irin wannan tasirin ruwa.