Cellulose etheryana da kyakkyawan riƙe ruwa, wanda zai iya hana danshi a cikin turmi mai jika daga ƙafewa da wuri ko kuma ya shanye shi da layin tushe, kuma ya tabbatar da cewa simintin ya cika da ruwa, ta haka ne a ƙarshe zai tabbatar da halayen injin turmi, wanda ke da amfani musamman ga turmi mai sirara da layukan tushe masu shanye ruwa Ko turmi da aka gina a ƙarƙashin yanayin zafi da bushewa. Tasirin riƙe ruwa na cellulose ether na iya canza tsarin gini na gargajiya da inganta ci gaban gini. Misali, ana iya yin ginin siminti akan substrates masu shaye ruwa ba tare da jika ba kafin lokaci.
Danko, yawan amfani, zafin yanayi da tsarin kwayoyin halitta na cellulose ether suna da babban tasiri akan aikin riƙe ruwa. A ƙarƙashin irin wannan yanayi, girman danko na cellulose ether, mafi kyawun riƙe ruwa; mafi girman adadin, mafi kyawun riƙe ruwa. Yawanci, ƙaramin adadin cellulose ether na iya inganta riƙe ruwa na turmi sosai. Lokacin da adadin ya kai wani matsayi Lokacin da matakin riƙe ruwa ya ƙaru, yanayin riƙe ruwa yana raguwa; lokacin da zafin yanayi ya ƙaru, riƙe ruwa na cellulose ether yawanci yana raguwa, amma wasu cellulose ethers da aka gyara suma suna da ingantaccen riƙe ruwa a ƙarƙashin yanayin zafi mai yawa; zaruruwa tare da ƙananan digiri na maye gurbin Vegan ether yana da ingantaccen aikin riƙe ruwa.
Rukunin hydroxyl da ke kan kwayar halittar ether ta cellulose da kuma zarra ta oxygen da ke kan haɗin ether za su haɗu da kwayar halittar ruwa don samar da haɗin hydrogen, suna mai da ruwan kyauta zuwa ruwa mai ɗaure, ta haka suna taka rawa mai kyau wajen riƙe ruwa; kwayar halittar ruwa da sarkar kwayoyin halitta ta cellulose ether Interdiffusion yana ba da damar ƙwayoyin ruwa su shiga cikin sarkar macromolecular ta cellulose ether kuma yana ƙarƙashin ƙarfin ɗaurewa mai ƙarfi, ta haka ne ke samar da ruwan da aka ɗaure da ruwan da aka ɗaure, wanda ke inganta riƙe ruwa na siminti; cellulose ether yana inganta sabon simintin siminti. Halayen rheological, tsarin hanyar sadarwa mai ramuka da matsin lamba na osmotic ko halayen samar da fim na cellulose ether suna hana yaɗuwar ruwa.
Cellulose ether yana ba da turmi mai jika da kyakkyawan ɗanko, wanda zai iya ƙara ƙarfin haɗin gwiwa tsakanin turmi mai jika da kuma matakin tushe, da kuma inganta aikin turmi mai hana lanƙwasa. Ana amfani da shi sosai a cikin turmi mai liƙa, turmi mai ɗaure tubali da tsarin rufin bango na waje. Tasirin kauri na cellulose ether kuma yana iya ƙara ƙarfin hana wargajewa da daidaituwar kayan da aka haɗa sabo, hana wargajewar abu, rarrabuwa da zubar jini, kuma ana iya amfani da shi a cikin simintin zare, simintin ƙarƙashin ruwa da siminti mai ɗaure kansa.
Tasirin kauri na cellulose ether akan kayan da aka gina a siminti ya samo asali ne daga danko na maganin cellulose ether. A ƙarƙashin irin wannan yanayi, yawan danko na cellulose ether, mafi kyawun danko na kayan da aka gyara a siminti, amma idan danko ya yi yawa, zai shafi ruwa da aiki na kayan (kamar manna wuka mai rufi). Turmi mai daidaita kansa da siminti mai daidaita kansa, waɗanda ke buƙatar ruwa mai yawa, suna buƙatar ƙarancin danko na cellulose ether. Bugu da ƙari, tasirin kauri na cellulose ether zai ƙara buƙatar ruwa na kayan da aka gina a siminti da kuma ƙara yawan turmi.
Dankowar maganin cellulose ether ya dogara da waɗannan abubuwa: nauyin kwayoyin halitta na cellulose ether, yawan abu, zafin jiki, saurin yankewa da kuma hanyar gwaji. A ƙarƙashin irin wannan yanayi, girman nauyin kwayoyin halitta na cellulose ether, girman dankowar maganin; mafi girman yawan abu, haka nan girman dankowar maganin. Lokacin amfani da shi, ya kamata a yi taka tsantsan don guje wa wuce gona da iri da kuma shafar aikin turmi da siminti; cellulose ether Dankowar maganin ether zai ragu tare da karuwar zafin jiki, kuma mafi girman yawan abu, mafi girman tasirin zafin jiki; mafi girman ruwan cellulose ether yawanci ruwa ne mai kama da na roba wanda ke da sifar rage yankewa, mafi girman yawan yankewa yayin gwajin, mafi ƙarancin dankowa, saboda haka, haɗin turmi zai ragu a ƙarƙashin aikin ƙarfin waje, wanda ke da amfani ga ginin goge turmi, don turmi ya iya samun kyakkyawan aiki da haɗin kai a lokaci guda; saboda maganin cellulose ether ba Newtonian bane. Ga ruwaye, lokacin da hanyoyin gwaji, kayan aiki da kayan aiki ko yanayin gwaji da aka yi amfani da su don gwada danko sun bambanta, sakamakon gwajin maganin cellulose ether iri ɗaya zai bambanta sosai.
Kwayoyin Cellulose ether na iya gyara wasu kwayoyin ruwa na sabon abu a gefen sarkar kwayoyin halitta, ta haka suna ƙara dankowar maganin. Sarkokin kwayoyin halitta na cellulose ether suna haɗe don samar da tsarin hanyar sadarwa mai girma uku, wanda kuma zai sa ruwan da ke cikinsa ya sami danko mai kyau.
Maganin ruwa mai ƙarfi na cellulose ether yana da babban thixotropy, wanda kuma babban siffa ne na cellulose ether.methyl celluloseYawanci suna da ruwa mai kama da pseudoplastic da wanda ba thixotropic ba a ƙasa da zafin gel ɗinsa, amma suna nuna halayen kwararar Newtonian a ƙananan ƙimar yankewa. Pseudoplasticity yana ƙaruwa tare da nauyin kwayoyin halitta ko yawan cellulose ether, ba tare da la'akari da nau'in maye gurbin da matakin maye gurbin ba. Saboda haka, cellulose ethers masu matakin viscosity iri ɗaya, komai mc, HPmc, HEmc, koyaushe za su nuna halayen rheological iri ɗaya matuƙar yawan taro da zafin jiki suna nan. Ana samar da gels na tsari lokacin da aka ɗaga zafin jiki, kuma kwararar thixotropic mai yawa tana faruwa. Babban maida hankali da ƙarancin viscosity ethers na cellulose suna nuna thixotropy ko da ƙasa da zafin gel. Wannan kadarar tana da babban fa'ida ga daidaitawar matakin da lanƙwasa a cikin ginin turmi. Yana buƙatar a bayyana a nan cewa mafi girman viscosity na cellulose ether, mafi kyawun riƙe ruwa, amma mafi girman viscosity, mafi girman nauyin kwayoyin halitta na cellulose ether, da kuma raguwar narkewar sa, wanda ke da mummunan tasiri akan yawan turmi da aikin gini. Da yawan danko, haka nan tasirin kauri a kan turmi yake bayyana, amma ba shi da cikakken daidaito. Akwai danko mai matsakaici da ƙarancin danko, amma cellulose ether da aka gyara yana da kyakkyawan aiki wajen inganta ƙarfin tsarin turmi mai danshi. Tare da ƙaruwar danko, riƙewar ruwa na cellulose ether yana inganta.
Lokacin Saƙo: Afrilu-28-2024