Umutungo wingenzi wa selile ether igisubizo ni umutungo wa rheologiya. Imiterere yihariye ya rheologiya ya ether nyinshi ya selile ituma ikoreshwa cyane mubice bitandukanye, kandi ubushakashatsi bwimiterere ya rheologiya ni ingirakamaro mugutezimbere imirima mishya ikoreshwa cyangwa kunoza imirima imwe ikoreshwa. Li Jing wo muri kaminuza ya Shanghai Jiao Tong yakoze ubushakashatsi buri gihe ku miterere ya rheologiya yacarboxymethylcellulose (CMC), harimo ingaruka za CMC ya molekulari yimiterere (uburemere bwa molekuline nintera yo gusimburwa), kwibanda pH, nimbaraga za ionic. Ibisubizo byubushakashatsi byerekana ko zeru-shear viscosity yumuti yiyongera hamwe no kwiyongera kwuburemere bwa molekile hamwe nurwego rwo gusimburwa. Kwiyongera k'uburemere bwa molekile bisobanura gukura k'urunigi rwa molekile, kandi guhuza byoroshye hagati ya molekile byongera ubwiza bwumuti; urwego runini rwo gusimbuza rutuma molekile irambura byinshi mubisubizo. Leta ibaho, hydrodynamic ingano nini nini, kandi viscosity iba nini. Ubukonje bwumuti wamazi wa CMC bwiyongera hamwe no kwiyongera kwibitekerezo, bifite viscoelasticité. Ubukonje bwigisubizo buragabanuka hamwe nagaciro ka pH, kandi iyo ari munsi yagaciro runaka, ubwiza bwiyongera gato, hanyuma amaherezo acide yubusa irashirwaho kandi iragwa. CMC ni polymer polyanionic, mugihe wongeyeho ion yumunyu monovalent Na +, K + ingabo, ubwiza buzagabanuka bikurikije. Kwiyongera kwa cation ihwanye Caz + itera ubwiza bwigisubizo kugabanuka mbere hanyuma kwiyongera. Iyo kwibumbira hamwe kwa Ca2 + birenze kurwego rwa stoichiometric, molekile ya CMC ikorana na Ca2 +, kandi superstructure ibaho mugisubizo. Liang Yaqin, Kaminuza y’Amajyaruguru yUbushinwa, nibindi yakoresheje uburyo bwa viscometer nuburyo bwo kuzenguruka bwa viscometer kugirango akore ubushakashatsi bwihariye kumiterere yimiterere yimiterere yibisubizo bya hydroxyethyl selulose (CHEC). Ibyavuye mu bushakashatsi byagaragaje ko: (1) Cationic hydroxyethyl selulose ifite imyitwarire isanzwe ya polyelectrolyte mu mazi meza, kandi kugabanuka kwijimye kwiyongera hamwe no kwiyongera kwinshi. Ubwiza bwimbere bwa hydroxyethyl selulose ya cationic hamwe nisimburangingo yo hejuru irasimburwa na hydroxyethyl selulose cationic cationic hamwe na selile yo gusimburwa. . muburyo bumwe bwumuti wumunyu, CHEC igaragara yubukonje Iragabanuka hamwe no kwiyongera kwumunyu wongeyeho. Mugipimo kimwe cyogosha, ikigaragara kigaragara cya CHEC muri sisitemu yo gukemura CaCl2 kiri hejuru cyane ugereranije na CHEC muri sisitemu yo gukemura NaCl.
Hamwe nogukomeza kwimbitse mubushakashatsi no kwaguka kwaguka kwimirima ikoreshwa, imitungo ya sisitemu ivanze igizwe na selile zitandukanye za selile nazo zashimishije abantu. Kurugero, sodium carboxymethyl selulose (NACMC) na hydroxyethyl selulose (HEC) bikoreshwa nkibikoresho byo kwimura peteroli mumasaka ya peteroli, bifite ibyiza byo kurwanya inkweto zikomeye, ibikoresho fatizo byinshi ndetse n’umwanda muke w’ibidukikije, ariko ingaruka zo kuzikoresha zonyine ntabwo ari nziza. Nubwo iyambere ifite ububobere bwiza, byoroha cyane nubushyuhe bwikigega nubunyu; nubwo ibyanyuma bifite ubushyuhe bwiza no kurwanya umunyu, ubushobozi bwacyo bwo kubyimba ni bubi kandi dosiye ni nini. Abashakashatsi bavanze ibisubizo byombi basanga ubwiza bwumuti uhuriweho bwabaye bunini, kurwanya ubushyuhe no kurwanya umunyu byatejwe imbere ku rugero runaka, kandi ingaruka zo kubishyira mu bikorwa ziyongera. Verica Sovilj n'abandi. barize imyitwarire ya rheologiya yumuti wa sisitemu ivanze igizwe na HPMC na NACMC hamwe na anionic surfactant hamwe na viscometer izunguruka. Imyitwarire ya rheologiya ya sisitemu biterwa na HPMC-NACMC, HPMC-SDS na NACMC- (HPMC- SDS) ingaruka zitandukanye zabaye hagati.
Imiterere ya rheologiya ya selile ether ibisubizo nabyo bigira ingaruka kubintu bitandukanye, nk'inyongeramusaruro, imbaraga za mashini zo hanze n'ubushyuhe. Tomoaki Hino n'abandi. yize ku ngaruka zo kongeramo nikotine kumiterere ya rheologiya ya hydroxypropyl methylcellulose. Kuri 25C hamwe nibitekerezo biri munsi ya 3%, HPMC yerekanye imyitwarire y'amazi ya Newtonian. Iyo nikotine yongeyeho, ubwiza bwiyongereye, ibyo bikaba byerekanaga ko nikotine yiyongereyehoHPMCmolekile. Nikotine hano yerekana ingaruka zumunyu uzamura gel hamwe nigicu cya HPMC. Imbaraga za mashini nkizogoshesha nazo zizagira uruhare runini kumiterere ya selulose ether yumuti wamazi. Ukoresheje turbidimeter ya rheologiya hamwe nigikoresho gito cyo gukwirakwiza urumuri, usanga mugisubizo cya kabiri-dilute, kongera umuvuduko wogosha, kubera kuvanga ubwoya, ubushyuhe bwinzibacyuho yibicu biziyongera.
Igihe cyo kohereza: Apr-28-2024