Hydroxypyl methyp sel selululose hpmc wani etherulose ether da aka yi daga tsarin polymer na halitta ta hanyar sarrafa sinadarai. Su ne kamshi ne mai kamshi, mai ƙanshi da farin farin foda wanda ba mai guba ba ne a sarari ko dan kadan turbid mafita a cikin ruwan sanyi. It has the characteristics of thickening, bonding, dispersion, emulsification, film formation, suspension, adsorption, gelation, surface activity, moisture retention and protective colloid. Hydroxypyl methylcelrose za a iya amfani dashi a cikin kayan gini, masana'antar rudani, masana'antar taushi, tripity, masana'antar sinadarai da sauran masana'antu.
Aikin riƙe ruwa da ka'idodi na Ether HPMC galibi suna taka rawa na riƙƙewa da turmi, wanda zai iya inganta ƙarfin haɗin Gypsum, wanda zai iya inganta ƙarfin haɗin gysum. Abubuwa kamar yawan zafin jiki, zazzabi da saurin matsin iska zai shafi adadin ruwa na ruwa a cikin turmi na gypsum. Saboda haka, a cikin yanayi daban-daban, akwai wasu bambance-bambance a cikin tasirin riƙewar ruwa na adadin adadin HPMC. A cikin takamaiman gini, ana yin tasirin riƙewar ruwa na slurry ta hanyar ƙaruwa ko rage adadin HPMC.
The water retention of methyl cellulose ether under high temperature conditions is an important indicator to distinguish the quality of methyl cellulose ether. Kyakkyawan samfuran HPMC na iya magance matsalar riƙewar ruwa a yanayin zafi. A cikin babban yanayin zazzabi, musamman a wuraren zafi da bushewa da bakin ciki-Layer da ake buƙatar haɓaka riƙewar ruwa na slurry.
HPMC mai inganci yana da daidaituwa sosai. Rukunin sa da hydroxyproxy da hydroxyproxy sun rarraba tare da sarkar kwayar cutar kwayar halitta, wanda zai iya inganta ikon oxygen atoms a kan hydroxyl da kuma eth eths don yin tarayya da ruwa don samar da hydrogen shaidu. , Don haka ruwa kyauta ta zama ruwa daure ruwa, don ta yadda yadda ya kamata yadda ya kamata yadda ya kamata ya mamaye ruwa da aka haifar da babban yanayin zafin jiki, kuma cimma matsakaitan ruwa.
Za'a iya rarrabe sel mai inganci HPMC kuma yadda ya shafi turmi yadda aka tarwatsa samfuran gypsum, kuma a samar da dukkan barbashi mai laushi, kuma samar da wani yanki mai daskararren fim. A ruwa a gindi ana saki ruwa a kan dogon lokaci. Kayan kayan da ba shi da kyau a cikin hydration dauki hydration, don tabbatar da hadadden ƙarfi da ƙarfin ƙarfin kayan. Saboda haka, a cikin babban yanayin bazara, don cimma sakamakon riƙewar ruwa, samfuran samfuran HPMC masu inganci dole ne a ƙara su a kan dabara, inna, ɓarna da fadowa zai faru saboda bushewar bushewa. Matsaloli, amma kuma yana ƙara wahalar da ma'aikatan ginin. Yayinda yawan zafin jiki yake raguwa, ana iya samun adadin HPMC a hankali, ana iya samun sakamako iri ɗaya na riƙe ruwa iri ɗaya.
Ragewar ruwa na hpmc ya shafi waɗannan abubuwan:
1
A cikin hadewar hpmc, da metoxypoloxy da hydroxypropoxoxoxy ana rarraba shi a hankali, kuma ragin riƙe ruwa yana da yawa.
2
Tsarin zafin jiki na zafi yana da yawa, ragin riƙe ruwa yana da yawa; Akasin haka, yawan riƙe riƙewar ruwa ya ragu.
3
Lokacin da danko na HPMC yana ƙaruwa, ƙididdigar riƙe ruwa kuma tana ƙaruwa; Lokacin da danko ya kai wani matakin, karuwa cikin kudin riƙe mai ruwa yana da lebur.
4.: Qari na sel ether hpmc
Mafi yawan adadin sel ether HPMC da aka ƙara, shine mafi girman darajar riƙewar ruwa da kuma mafi kyawun tsarin riƙewar ruwa. A cikin kewayon 0.25-0.6 Bugu da ƙari, ƙididdigar riƙe ruwa yana ƙaruwa da sauri tare da karuwar adadin kari; Lokacin da ƙari adadin ƙara ƙaruwa, da haɓaka yanayin riƙewar riƙe ruwa yana raguwa.
Lokaci: Dec-16-2021