Umunyu wa Ammonium wa Quaternary wo kwica udukoko

Umunyu wa ammonium wa Quaternary (QAS) ni ibintu bya cationic birimo amatsinda ya alkyl mu ruhererekane rwa C8–C18, bishobora gushonga mu mazi kandi bishobora gukoreshwa nk'imiti yica udukoko mu nganda z'imyenda.

QAS ni imvange za ionic zifite azote ya ammonium ya quaternary, amatsinda ane ya alkyl cyangwa aryl ahujwe n'iyi azote, hamwe na iyoni ya anionic nka chloride cyangwa bromide. Mu matsinda ane ya alkyl, rimwe ni itsinda rirerire rya alkyl rigizwe na hydrocarbon zirenga umunani kandi rinakora nk'itsinda rirwanya amazi. Amatsinda ya hydrophobic kuri QAS akunze kugira ingaruka ku mikorere yayo ya antimicrobial (Tiller et al., 2001; Zhao na Sun, 2007). Iyo hydrophobic ikomeye, ni bwo imikorere ikomeye ya antimicrobial QAS igira (Zhao na Sun, 2008) (Ishusho ya 16.1 n'Imbonerahamwe ya 16.1). Imvange nyinshi za QAS zifite imikorere ya surfactant. QAS ni biocides nziza iyo ikoreshejwe mu bisubizo by'amazi no nk'imiti yica udukoko. Iyo QAS ihujwe n'ubuso bwa fibre imikorere yayo ishobora gukumirwa bitewe n'uburyo ihujwe n'imiterere ya nyuma ya QAS ku buso. QAS ishyizwe mu migozi ishobora gutanga imikorere yo kurwanya mikorobe mu kuyirekura buhoro buhoro mu gihe cyo kuyikoresha, ibi bikaba bishobora gutanga imikorere igenewe ibikoresho.