Focus on Cellulose ethers

Ukuhlelwa kweeMveliso zeMethyl Cellulose

Ukuhlelwa kweeMveliso zeMethyl Cellulose

I-solubility yeemveliso ze-methyl cellulose (MC) inokwahluka ngokuxhomekeke kwiqondo lokutshintshwa, ubunzima be-molecular, kunye nokugxilwa kwe-MC.Ngokubanzi, iimveliso ze-MC zinyibilika emanzini abandayo, kwaye ukunyibilika kuyanda ngobushushu.Nangona kunjalo, ezinye iimveliso ze-MC ze-viscosity eziphezulu zinokufuna ixesha elide lokuchithwa okanye amaqondo obushushu aphezulu ukuze anyibilike ngokupheleleyo.Ukongeza, ezinye iimveliso ze-MC ziyilelwe ukuba zinyibilike emanzini ashushu, zizenze zibe luncedo kwizicelo ezifana nokunamathiswa okunyibilika ashushu.Iimveliso ze-MC ezinee-degrees ezisezantsi zokutshintshwa kunye ne-molecular weights ephantsi zivame ukuba ne-solubility ephezulu, ngelixa ezo zineedigri eziphezulu zokutshintshwa kunye nezisindo eziphezulu ze-molecular zingafuna i-solvents ezinamandla, njenge-dimethyl sulfoxide (DMSO), ukuchithwa.Kubalulekile ukubonisana nephepha ledatha yemveliso okanye imiyalelo yomenzi kwisikhokelo esithile malunga nokunyibilika kwemveliso ethile yeMC.


Ixesha lokuposa: Mar-21-2023
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