Dandaskin

SAURARA: Ana kiransa HPMC, fari ko kuma farin fari ko foda na girma. Akwai nau'ikan sel alda da yawa kuma ana amfani da su sosai, amma muna iya hulɗa tare da abokan ciniki a cikin masana'antar kayan gini na foda. Mafi yawan Cellulose na kowa yana nufin hyprommose.

Tsarin samarwa: babban kayan albarkatun HPMC: Auduga mai gyara, propyleene opaka, wasu albarkatun ƙasa sun haɗa da flake alkali, isopropanol, da sauransu suna bi da sel na auduga tare da alkalin alkawali a 35-40 ℃ don rabin Sa'a, latsa, pulpeze the da gaske a cikin 35 ℃, saboda matsakaita matakin polymerization na da aka samo na da ake buƙata. Put the alkali fibers into the etherification kettle, add propylene oxide and methyl chloride in turn, and etherify at 50-80 °C for 5 hours, with a maximum pressure of about 1.8 MPa. Sa'an nan kuma ƙara adadin da ya dace na hydrochloric acid da oxalic acid zuwa ruwan zafi a 90 ° C don wanke kayan don faɗaɗa ƙarar don faɗaɗa ƙarar. Dhydrate da centrifuge. Wanke har zuwa tsaka tsaki, kuma lokacin da danshi abun ciki a cikin kayan ƙasa ƙasa da 60%, bushe shi da iska mai zafi kwarara a 130 ° C to ƙasa da 5%. Aiki: Kulawa da ruwa, Thickening, Antipotropic anti-Sag, iska-mai runtumi aiki, saitin ritaya.

Riƙewa ta ruwa: riƙewar ruwa shine mafi mahimmancin dukiya ta ethululose ether! A cikin samarwa na putty gypsumi turmi da sauran kayan, aikin eter ether yana da mahimmanci. Babban ruwa mai ɗaukar ruwa zai iya cikakken amsa Ash da alli Gypsum (cikakken cikakken cikakken, mafi girma ƙarfi). A karkashin yanayi guda, mafi girma danko na ether, mafi kyawun riƙe ruwa (giwa sama da dankalin turawa 100,000 yana kunkuntar); A mafi girma sashi, mafi kyawun riƙe ruwa, yawanci karamin adadin sel selulose zai iya haɓaka aikin turɓaya. Adadin riƙewar ruwa, lokacin da abun ciki ya isa wani matakin, yanayin karuwar rashawa ya zama mai hankali; Yawan riƙewar riƙewar ruwa na ethethulose yawanci yana raguwa yayin da yanayin yanayin yanayi yake ƙaruwa, amma wasu manyan sel mai-gel za su sami ingantacciyar aiki a ƙarƙashin yanayin zazzabi. Riƙe ruwa. Mai tsara-tsaye tsakanin kwayoyin halittar ruwa da kuma kwayar cutar sinru na Enthular da ke shigar da ruwa mai ƙarfi, da kuma samun ruwa mai ƙarfi, da kuma inganta ruwa mai ƙarfi, da kuma inganta ruwa mai ƙarfi.

Thickening, thixotropic da anti-sag: ba da kyakkyawan kyakkyawan danko a rigar turmi! Zai iya ƙara yawan haɓaka tsakanin ƙwayar rigarsa da gindi mai tushe, da kuma inganta aikin turmi na turmi. Tasirin tashin hankali na cellulose yana ƙara haɓakar juriya da kuma hadadden kayan maye, yana hana kayan maye gurbin kayan da aka gauraya. Tarihin Tasirin Celullulose akan kayan Celment ya fito daga danko na seluloshin mafita. A karkashin wannan yanayi, mafi girma danko na ether, mafi kyawun danko na tushen-da aka gyara ya yi yawa, zai shafi ingantaccen kayan abu da tsari scraper). ba da aiki). Mataki na kai da kuma hada kai da kai wanda ke buƙatar babban ruwan sanyi yana buƙatar ƙarancin danko na sel. Bugu da kari, da thickening tasirin eth ether zai kara ruwa bukatar kayan ciminti da kuma ƙara yawan yawan turmi. Babban Concuta mai girma Sole ethereot bayani yana da babban bayani, wanda shima babban halaye ne na ethululose. Aqueous mafita na cellulose gabaɗaya prseudoplastic, wanda ba makamashi mai gudana a ƙasa da ruwan zafi na gel, amma kayan kwarjinin Newtian. Tsararre yana ƙaruwa tare da ƙara nauyin ƙwayoyin cuta ko maida hankali na sel. Ana samar da gels na tsari lokacin da zazzabi ya ƙaru, da kuma kwararar taya ta faruwa. Pheruloos Ehers tare da babban taro da ƙarancin danko da kuma nuna alamun ƙwararru har a ƙasa da zazzabi gel. Wannan dukiyar tana da fa'ida ga aikin ginin tururi don daidaita matakin da sag. Ya kamata a lura a nan cewa mafi girman danko na ether, mafi kyawun riƙewar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta, da kuma rage yawan nauyinta, wanda yake da mara kyau Tasiri a kan murmurewa da dawowa.

Dalili: Elth eth ether yana da tasiri a bayyane a kan kayan ciminti na asali. Elellulose ether yana da rukuni biyu na Hydrophilic (Hydroxyl Group, ƙungiyar ether) da rukunin Ruwa (Methyl Group, zobe na glucose), yana da harkar glucose), saboda haka yana da tasiri mai ɗorewa. Tasirin samar da iska mai ɗaukar ruwa zai samar da sakamako "ball" wanda zai inganta aikin samar da kayan maye, kamar su yana da amfani ga perarfin turmi ; Hakanan zai ƙara fitowar turmi. , rage farashin samar da turmi; Amma zai ƙara alamar alamar ƙwaƙwalwar kayan da ke Hard da rage kayan aikinta kamar ƙarfi da ƙarfi da ƙarfi na roba. A matsayin Surfactant, Eler kuma yana da isasshen tasiri ko sakamako akan abubuwan da ke cikin ciminti, amma tasirin raɗkiyar kayan aikinta zai rage ruwa mai ruwa. Tasirin kwarara shine haɗuwa da tashe tashen hankula da lokacin tashin hankali. A lokacin da abun ciki na ether ya ragu sosai, ana bayyana shi azaman filastik ko rage ruwa-ruwa; Lokacin da abun ciki ya yi yawa, tasirin tasirin cellulose yana ƙaruwa cikin sauri, kuma yana yin tasiri na hanzarin da za a cika, saboda haka wasan kwaikwayon ya ƙaru. Thipening sakamako ko karuwar bukatar ruwa.

Saitin batutuwa: Eler Celetulose na iya jinkirta tsarin hydring tsari na ciminti. Pheruloos Ehers suna ba da turmi tare da kyawawan kayan aiki, kuma ku rage farkon hydration ta sakin ciminti da jinkirtaka tsarin kashin teku na ciminti. Wannan ba shi da matsala ga turmi amfani da yankuna masu sanyi. Wannan rarar hatsarin shine lalacewa ta hanyar adsorption na kwayoyin halitta a kan kayayyakin hydration kamar csh da ca (oh) 2. Saboda karuwa a cikin danko na pore, enelulose ether yana rage motsi a cikin mafita, don haka jinkirin hydring tsari. A mafi girma da maida hankali ne na fitilun celululous a cikin kayan gel na ma'adinai, karin furen jinkirin hydration. Cellulose Ehers ba kawai juya saiti ba, har ma yana batar da Hardening tsari na tsarin ciyawar. Sakamakon abin da ya faru na ethelulose ether ya dogara ne ba kawai a kan maida hankali a tsarin gel na ma'adinai ba, har ma a kan tsarin sunadarai. A mafi girman digiri na methylation na hemc, mafi kyawun lokacin retargation na sel ether. Tasirin retardation ya fi karfi. Koyaya, danko na et arher yana da kadan tasiri a kan sineteri na ciminti. Tare da karuwar abun ciki na sel, lokacin saita na turmi yana ƙaruwa sosai. Akwai kyakkyawar alaƙa ta gaba ɗaya tsakanin lokacin saitin farko na turmi da kuma abun ciki na ƙarshe na ƙarshe yana da kyakkyawar hulɗa ta ƙarshe tare da abubuwan da ke tattare da ether. Zamu iya sarrafa lokacin aiki na turmi ta canza abubuwan da ke cikin ether. A cikin samfurin, yana buga matsayin riƙewar ruwa, thickening, jinkirta ciminti na haya, da inganta aikin gini. Kyakkyawan ƙarfin riƙewar ruwa mai kyau yana yin sumps Gypsum Ash amsa gaba gaba, yana haɓaka ƙarfin ƙawance da ƙarfi da ƙarfi, haɓaka tasiri sosai da ƙarfin aiki. Daidaitacce lokaci. Yana inganta fesawa ko famfo na turmi, da kuma ƙarfin tsarin. A cikin ainihin aikace-aikacen, ya zama dole a tantance nau'in, danko, da adadin sel na biyu bisa ga samfura daban-daban, al'adun gine-gine, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aikin gini, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma yanayin aiki, da kuma muhalli.