1. Kayan da aka samar da cellulose ether
Cellulose ether don gini wani polymer ne wanda ba ionic ba wanda ke narkewa cikin ruwa wanda tushensa shine:
Cellulose (ɓangaren itace ko auduga), hydrocarbons masu halogen (methane chloride, ethyl chloride ko wasu halides masu dogon sarka), mahaɗan epoxy (ethylene oxide, propylene oxide, da sauransu)
HPMC-Hydroxypropyl Methyl Cellulose Ether
HEC-Hydroxyethyl Cellulose Ether
HEMC-Hydroxyethyl Methyl Cellulose Ether
EHEC-Ethyl Hydroxyethyl Cellulose Ether
MC-methyl cellulose ether
2. Halayen cellulose ether
Abubuwan da ke cikin cellulose ethers sun dogara ne akan:
Digiri na polymerization DP Adadin raka'o'in glucose - danko
Maye gurbin da matakin maye gurbinsu, matakin daidaito na maye gurbin —- ƙayyade filin aikace-aikacen
Girman Barbashi—-Narkewa
Maganin saman (watau jinkirin narkewar ruwa)—-lokacin danko yana da alaƙa da ƙimar pH na tsarin
Digiri na gyarawa—- Inganta juriyar sag da kuma iya aiki na cellulose ether.
3. Matsayin cellulose ether - riƙe ruwa
Cellulose ether wani sinadari ne na sarkar polymer wanda ya ƙunshi raka'o'in β-D-glucose. Rukunin hydroxyl a cikin kwayar halittar da kuma zarra na iskar oxygen a kan haɗin ether suna samar da haɗin hydrogen tare da kwayar halittar ruwa, wanda ke sha kwayar halittar ruwa a saman sarkar polymer kuma yana ɗaure ƙwayoyin. A cikin sarkar, yana jinkirta fitar da ruwa kuma yana sha ta hanyar layin tushe.
Fa'idodin da ke tattare da kaddarorin riƙe ruwa na cellulose ethers:
Babu buƙatar jika tushen Layer, yana adana tsari
gini mai kyau
isasshen ƙarfi
4. Matsayin cellulose ether - tasirin kauri
Cellulose ether na iya ƙara haɗin kai tsakanin sassan turmi mai tushen gypsum, wanda ke nuna ƙaruwar daidaiton turmi.
Babban fa'idodin da ke tattare da kauri na cellulose ethers sune:
Rage tokar da aka niƙa
Ƙara mannewa zuwa tushe
Rage raguwar turmi
a daidaita turmi a hankali
5. Matsayin cellulose ether - aikin saman
Cellulose ether ya ƙunshi ƙungiyoyin hydrophilic (ƙungiyoyin hydroxyl, haɗin ether) da ƙungiyoyin hydrophobic (ƙungiyoyin methyl, ƙungiyoyin ethyl, zoben glucose) kuma yana da sinadarin surfactant.
(Tsinkayar saman ruwa shine 72mN/m, surfactant shine 30mN/m, kuma cellulose ether shine HPC 42, HPMC 50, MC 56, HEC 69, CMC 71mN/m)
Babban fa'idodin da aikin saman cellulose ethers ke bayarwa sune:
Tasirin shigar iska (santsi na gogewa, ƙarancin yawan danshi, ƙarancin ƙarfin roba, juriya ga daskarewa da narkewa)
Jikewa (yana ƙara mannewa ga substrate)
6. Bukatun gypsum mai laushi don cellulose ether
(1). Kyakkyawan riƙe ruwa
(2). Kyakkyawan aiki, babu cake
(3). Sanyi na gogewa a cikin tsari
(4). Ƙarfin hana lanƙwasawa
(5). Zafin gel ɗin ya fi 75°C
(6). Saurin narkewa cikin sauri
(7). Ya fi kyau a sami ikon horar da iska da kuma daidaita kumfa iska a cikin turmi
11. Yadda ake tantance yawan sinadarin cellulose ether
Don yin amfani da filastar, ya zama dole a riƙe isasshen ruwa a cikin turmi na tsawon lokaci domin samun kyakkyawan aiki da kuma guje wa tsagewar saman. A lokaci guda, cellulose ether yana riƙe da isasshen ruwa na dogon lokaci don sa turmi ya sami tsarin coagulation mai ƙarfi.
Adadin cellulose ether ya dogara da:
Danko na cellulose ether
Tsarin samar da cellulose ether
Abubuwan da ke cikin maye gurbin da kuma rarrabawar Cellulose Ether
Rarraba Girman Barbashi na Cellulose Ether
Nau'i da abun da ke ciki na turmi mai tushen gypsum
Ƙarfin sha ruwa na tushen Layer
Amfani da Ruwa don Yaɗuwar Turmi Mai Tushen Gypsum
Lokacin saita turmi na tushen gypsum
Kauri da aikin gini da kuma kauri
Yanayin gini (kamar zafin jiki, saurin iska, da sauransu)
Hanyar gini (gogewa da hannu, feshi na inji)
Lokacin Saƙo: Janairu-18-2023