Kuchuluka kwa carboxymethyl cellulose m'madzi n'kwakuti chinthucho chimasungunuka m'madzi, kotero kuchuluka kwa chinthucho kwakhala njira yowunikira momwe chimagwirira ntchito. Tiyeni tiphunzire zambiri za icho:
1) Madzi enaake amawonjezeredwa ku dongosolo lofalikira lomwe lapezeka, zomwe zingathandize kuti tinthu ta colloidal tisafalikire m'madzi, ndipo ndikofunikira kuonetsetsa kuti madzi owonjezera sangasungunuke colloidal.
2) Ndikofunikira kufalitsa tinthu ta colloidal mu chonyamulira chamadzimadzi chomwe chimasakanikirana m'madzi, chosasungunuka m'madzi osungunuka kapena opanda madzi, koma chiyenera kukhala chachikulu kuposa kuchuluka kwa tinthu ta colloidal kuti chizitha kufalikira mokwanira. Ndi ma alcohols a monohydric monga methanol ndi ethanol, ethylene glycol, acetone, ndi zina zotero.
3) Mchere wosungunuka m'madzi uyenera kuwonjezeredwa ku madzi onyamulira, koma mcherewo sungagwirizane ndi colloid. Ntchito yake yayikulu ndikuletsa gel wosungunuka m'madzi kuti usapange phala kapena kuuma ndi mvula ikapuma. Zomwe zimagwiritsidwa ntchito kwambiri ndi sodium chloride ndi zina zotero.
4) Ndikofunikira kuwonjezera chinthu choyimitsa ku madzi onyamula kuti mupewe kutayika kwa madzi a gel. Chinthu chachikulu choyimitsa chingakhale glycerin, hydroxypropyl methylcellulose, ndi zina zotero. Chinthu choyimitsa chimayenera kusungunuka mu chonyamulira madzi ndipo chikugwirizana ndi colloid. Pa carboxymethyl cellulose, ngati glycerol igwiritsidwa ntchito ngati chinthu choyimitsa, mlingo wamba ndi pafupifupi 3%-10% ya madzi onyamula.
5) Pakukonza alkali ndi etherification, ma surfactants a cationic kapena nonionic ayenera kuwonjezeredwa, ndipo ayenera kusungunuka mu chonyamulira chamadzimadzi kuti agwirizane ndi ma colloids. Ma surfactants omwe amagwiritsidwa ntchito kwambiri ndi lauryl sulfate, glycerin Monoester, propylene glycol fatty acid ester, mlingo wake ndi pafupifupi 0.05%-5% ya madzi onyamulira.
Nthawi yotumizira: Novembala-04-2022