| 摘要 |
<p>An amphoteric surfactant of formula (I)
R-(OCH₂CH₂)<Sub>n</Sub>-(<Image id="ia01" he="8" wi="3" file="IMGA0001.TIF" imgContent="character" imgFormat="TIFF" inline="yes" />-(CHR¹)<Sub>x</Sub>)<Sub>y</Sub> -<Image id="ia02" he="11" wi="2" file="IMGA0002.TIF" imgContent="character" imgFormat="TIFF" inline="yes" />-Q (I)
where R is a C<Sub>8-20</Sub> hydrocarbyl group, optionally substituted by hydroxyl or carboxyl;
R¹ is H or C<Sub>l-6</Sub> alkyl;
B is H or a group Q as defined below, B being a group Q in the majority of instances;
Q is -R²COOM where R² is C<Sub>l-6</Sub> alkylene and M is -H or an alkali metal, alkaline earth metal, ammonium or substituted ammonium ion;
x is 2 or 3;
y is 2 to 4; and
n is 0 or l.
for use as an antimicrobial agent in cleaning compositions. </p> |
